refactor: 日志库拆分与清理用户审计

deploy/postgres/create_databases.sql

@@ -15,6 +15,9 @@ BEGIN
     IF NOT EXISTS (SELECT 1 FROM pg_roles WHERE rolname = 'hangfire_user') THEN
         CREATE ROLE hangfire_user LOGIN PASSWORD 'HangFire112233';
     END IF;
+    IF NOT EXISTS (SELECT 1 FROM pg_roles WHERE rolname = 'logs_user') THEN
+        CREATE ROLE logs_user LOGIN PASSWORD 'Logs112233';
+    END IF;
 END $$;
 
 DO $$
@@ -49,6 +52,14 @@ BEGIN
 END $$;
 COMMENT ON DATABASE takeout_hangfire_db IS 'Takeout SaaS 调度/Hangfire 数据库';
 
+DO $$
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM pg_database WHERE datname = 'takeout_logs_db') THEN
+        CREATE DATABASE takeout_logs_db OWNER logs_user ENCODING 'UTF8';
+    END IF;
+END $$;
+COMMENT ON DATABASE takeout_logs_db IS 'Takeout SaaS 审计/日志数据库';
+
 -- Ensure privileges and default schema permissions
 \connect takeout_app_db
 GRANT CONNECT, TEMP ON DATABASE takeout_app_db TO app_user;
@@ -81,3 +92,11 @@ GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA public TO hangfire_
 GRANT USAGE, SELECT, UPDATE ON ALL SEQUENCES IN SCHEMA public TO hangfire_user;
 ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO hangfire_user;
 ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT USAGE, SELECT, UPDATE ON SEQUENCES TO hangfire_user;
+
+\connect takeout_logs_db
+GRANT CONNECT, TEMP ON DATABASE takeout_logs_db TO logs_user;
+GRANT USAGE ON SCHEMA public TO logs_user;
+GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA public TO logs_user;
+GRANT USAGE, SELECT, UPDATE ON ALL SEQUENCES IN SCHEMA public TO logs_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT SELECT, INSERT, UPDATE, DELETE ON TABLES TO logs_user;
+ALTER DEFAULT PRIVILEGES IN SCHEMA public GRANT USAGE, SELECT, UPDATE ON SEQUENCES TO logs_user;

deploy/postgres/migrate_logs_to_logs_db.sql

@@ -0,0 +1,89 @@
+-- 日志库迁移脚本（请在 psql 中按步骤执行）
+
+-- 1. 在日志库创建表结构（takeout_logs_db）
+\connect takeout_logs_db
+
+CREATE TABLE IF NOT EXISTS tenant_audit_logs (
+    "Id" bigint GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    "TenantId" bigint NOT NULL,
+    "Action" integer NOT NULL,
+    "Title" character varying(128) NOT NULL,
+    "Description" character varying(1024),
+    "OperatorId" bigint,
+    "OperatorName" character varying(64),
+    "PreviousStatus" integer,
+    "CurrentStatus" integer,
+    "CreatedAt" timestamp with time zone NOT NULL,
+    "UpdatedAt" timestamp with time zone,
+    "DeletedAt" timestamp with time zone,
+    "CreatedBy" bigint,
+    "UpdatedBy" bigint,
+    "DeletedBy" bigint
+);
+CREATE INDEX IF NOT EXISTS "IX_tenant_audit_logs_TenantId" ON tenant_audit_logs ("TenantId");
+
+CREATE TABLE IF NOT EXISTS merchant_audit_logs (
+    "Id" bigint GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    "MerchantId" bigint NOT NULL,
+    "Action" integer NOT NULL,
+    "Title" character varying(128) NOT NULL,
+    "Description" character varying(1024),
+    "OperatorId" bigint,
+    "OperatorName" character varying(64),
+    "CreatedAt" timestamp with time zone NOT NULL,
+    "UpdatedAt" timestamp with time zone,
+    "DeletedAt" timestamp with time zone,
+    "CreatedBy" bigint,
+    "UpdatedBy" bigint,
+    "DeletedBy" bigint,
+    "TenantId" bigint NOT NULL
+);
+CREATE INDEX IF NOT EXISTS "IX_merchant_audit_logs_TenantId_MerchantId" ON merchant_audit_logs ("TenantId", "MerchantId");
+
+CREATE TABLE IF NOT EXISTS operation_logs (
+    "Id" bigint GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    "OperationType" character varying(64) NOT NULL,
+    "TargetType" character varying(64) NOT NULL,
+    "TargetIds" text,
+    "OperatorId" character varying(64),
+    "OperatorName" character varying(128),
+    "Parameters" text,
+    "Result" text,
+    "Success" boolean NOT NULL,
+    "CreatedAt" timestamp with time zone NOT NULL,
+    "UpdatedAt" timestamp with time zone,
+    "DeletedAt" timestamp with time zone,
+    "CreatedBy" bigint,
+    "UpdatedBy" bigint,
+    "DeletedBy" bigint
+);
+CREATE INDEX IF NOT EXISTS "IX_operation_logs_CreatedAt" ON operation_logs ("CreatedAt");
+CREATE INDEX IF NOT EXISTS "IX_operation_logs_OperationType_CreatedAt" ON operation_logs ("OperationType", "CreatedAt");
+
+CREATE TABLE IF NOT EXISTS member_growth_logs (
+    "Id" bigint GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    "MemberId" bigint NOT NULL,
+    "ChangeValue" integer NOT NULL,
+    "CurrentValue" integer NOT NULL,
+    "Notes" character varying(256),
+    "OccurredAt" timestamp with time zone NOT NULL,
+    "CreatedAt" timestamp with time zone NOT NULL,
+    "UpdatedAt" timestamp with time zone,
+    "DeletedAt" timestamp with time zone,
+    "CreatedBy" bigint,
+    "UpdatedBy" bigint,
+    "DeletedBy" bigint,
+    "TenantId" bigint NOT NULL
+);
+CREATE INDEX IF NOT EXISTS "IX_member_growth_logs_TenantId_MemberId_OccurredAt" ON member_growth_logs ("TenantId", "MemberId", "OccurredAt");
+
+-- 2. 迁移数据（建议使用 pg_dump/pg_restore 或应用侧批量拷贝）
+--    示例：pg_dump -t tenant_audit_logs -t merchant_audit_logs -t operation_logs -t member_growth_logs takeout_app_db > logs_dump.sql
+--          psql -d takeout_logs_db -f logs_dump.sql
+
+-- 3. 在业务库删除旧日志表（takeout_app_db）
+\connect takeout_app_db
+DROP TABLE IF EXISTS tenant_audit_logs;
+DROP TABLE IF EXISTS merchant_audit_logs;
+DROP TABLE IF EXISTS operation_logs;
+DROP TABLE IF EXISTS member_growth_logs;

src/Api/TakeoutSaaS.AdminApi/appsettings.Development.json

@@ -30,6 +30,15 @@
         "CommandTimeoutSeconds": 30,
         "MaxRetryCount": 3,
         "MaxRetryDelaySeconds": 5
+      },
+      "LogsDatabase": {
+        "Write": "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50",
+        "Reads": [
+          "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50"
+        ],
+        "CommandTimeoutSeconds": 30,
+        "MaxRetryCount": 3,
+        "MaxRetryDelaySeconds": 5
       }
     }
   },

src/Api/TakeoutSaaS.AdminApi/appsettings.Production.json

@@ -30,6 +30,15 @@
         "CommandTimeoutSeconds": 30,
         "MaxRetryCount": 3,
         "MaxRetryDelaySeconds": 5
+      },
+      "LogsDatabase": {
+        "Write": "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50",
+        "Reads": [
+          "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50"
+        ],
+        "CommandTimeoutSeconds": 30,
+        "MaxRetryCount": 3,
+        "MaxRetryDelaySeconds": 5
       }
     }
   },

src/Api/TakeoutSaaS.MiniApi/appsettings.Development.json

@@ -27,6 +27,15 @@
         "CommandTimeoutSeconds": 30,
         "MaxRetryCount": 3,
         "MaxRetryDelaySeconds": 5
+      },
+      "LogsDatabase": {
+        "Write": "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50",
+        "Reads": [
+          "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50"
+        ],
+        "CommandTimeoutSeconds": 30,
+        "MaxRetryCount": 3,
+        "MaxRetryDelaySeconds": 5
       }
     }
   },
@@ -162,4 +171,4 @@
     "Sampling": "ParentBasedAlwaysOn",
     "UseConsoleExporter": true
   }
-}
+}

src/Api/TakeoutSaaS.MiniApi/appsettings.Production.json

@@ -27,6 +27,15 @@
         "CommandTimeoutSeconds": 30,
         "MaxRetryCount": 3,
         "MaxRetryDelaySeconds": 5
+      },
+      "LogsDatabase": {
+        "Write": "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50",
+        "Reads": [
+          "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50"
+        ],
+        "CommandTimeoutSeconds": 30,
+        "MaxRetryCount": 3,
+        "MaxRetryDelaySeconds": 5
       }
     }
   },
@@ -162,4 +171,4 @@
     "Sampling": "ParentBasedAlwaysOn",
     "UseConsoleExporter": true
   }
-}
+}

src/Api/TakeoutSaaS.UserApi/appsettings.Development.json

@@ -27,6 +27,15 @@
         "CommandTimeoutSeconds": 30,
         "MaxRetryCount": 3,
         "MaxRetryDelaySeconds": 5
+      },
+      "LogsDatabase": {
+        "Write": "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50",
+        "Reads": [
+          "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50"
+        ],
+        "CommandTimeoutSeconds": 30,
+        "MaxRetryCount": 3,
+        "MaxRetryDelaySeconds": 5
       }
     }
   },
@@ -65,4 +74,4 @@
     "Sampling": "ParentBasedAlwaysOn",
     "UseConsoleExporter": true
   }
-}
+}

src/Api/TakeoutSaaS.UserApi/appsettings.Production.json

@@ -27,6 +27,15 @@
         "CommandTimeoutSeconds": 30,
         "MaxRetryCount": 3,
         "MaxRetryDelaySeconds": 5
+      },
+      "LogsDatabase": {
+        "Write": "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50",
+        "Reads": [
+          "Host=120.53.222.17;Port=5432;Database=takeout_logs_db;Username=logs_user;Password=Logs112233;Pooling=true;Minimum Pool Size=5;Maximum Pool Size=50"
+        ],
+        "CommandTimeoutSeconds": 30,
+        "MaxRetryCount": 3,
+        "MaxRetryDelaySeconds": 5
       }
     }
   },
@@ -65,4 +74,4 @@
     "Sampling": "ParentBasedAlwaysOn",
     "UseConsoleExporter": true
   }
-}
+}

src/Core/TakeoutSaaS.Shared.Abstractions/Constants/DatabaseConstants.cs

@@ -19,4 +19,9 @@ public static class DatabaseConstants
     /// 字典库（DictionaryDatabase）。
     /// </summary>
     public const string DictionaryDataSource = "DictionaryDatabase";
+
+    /// <summary>
+    /// 日志库（LogsDatabase）。
+    /// </summary>
+    public const string LogsDataSource = "LogsDatabase";
 }

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Extensions/AppServiceCollectionExtensions.cs

@@ -11,6 +11,7 @@ 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.App.Persistence.Repositories;
 using TakeoutSaaS.Infrastructure.App.Repositories;
 using TakeoutSaaS.Infrastructure.App.Services;
@@ -34,6 +35,7 @@ public static class AppServiceCollectionExtensions
     {
         services.AddDatabaseInfrastructure(configuration);
         services.AddPostgresDbContext<TakeoutAppDbContext>(DatabaseConstants.AppDataSource);
+        services.AddPostgresDbContext<TakeoutLogsDbContext>(DatabaseConstants.LogsDataSource);
 
         services.AddScoped<IMerchantRepository, EfMerchantRepository>();
         services.AddScoped<IMerchantCategoryRepository, EfMerchantCategoryRepository>();

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Persistence/TakeoutAppDbContext.cs

@@ -87,18 +87,10 @@ public sealed class TakeoutAppDbContext(
     /// </summary>
     public DbSet<TenantVerificationProfile> TenantVerificationProfiles => Set<TenantVerificationProfile>();
     /// <summary>
-    /// 租户审计日志。
-    /// </summary>
-    public DbSet<TenantAuditLog> TenantAuditLogs => Set<TenantAuditLog>();
-    /// <summary>
     /// 租户审核领取记录。
     /// </summary>
     public DbSet<TenantReviewClaim> TenantReviewClaims => Set<TenantReviewClaim>();
     /// <summary>
-    /// 运营操作日志。
-    /// </summary>
-    public DbSet<OperationLog> OperationLogs => Set<OperationLog>();
-    /// <summary>
     /// 配额包定义。
     /// </summary>
     public DbSet<QuotaPackage> QuotaPackages => Set<QuotaPackage>();
@@ -123,10 +115,6 @@ public sealed class TakeoutAppDbContext(
     /// </summary>
     public DbSet<MerchantStaff> MerchantStaff => Set<MerchantStaff>();
     /// <summary>
-    /// 商户审计日志。
-    /// </summary>
-    public DbSet<MerchantAuditLog> MerchantAuditLogs => Set<MerchantAuditLog>();
-    /// <summary>
     /// 商户分类。
     /// </summary>
     public DbSet<MerchantCategory> MerchantCategories => Set<MerchantCategory>();
@@ -307,10 +295,6 @@ public sealed class TakeoutAppDbContext(
     /// </summary>
     public DbSet<MemberPointLedger> MemberPointLedgers => Set<MemberPointLedger>();
     /// <summary>
-    /// 成长值日志。
-    /// </summary>
-    public DbSet<MemberGrowthLog> MemberGrowthLogs => Set<MemberGrowthLog>();
-    /// <summary>
     /// 会话记录。
     /// </summary>
     public DbSet<ChatSession> ChatSessions => Set<ChatSession>();
@@ -401,15 +385,12 @@ public sealed class TakeoutAppDbContext(
         ConfigureTenantAnnouncement(modelBuilder.Entity<TenantAnnouncement>());
         ConfigureTenantAnnouncementRead(modelBuilder.Entity<TenantAnnouncementRead>());
         ConfigureTenantVerificationProfile(modelBuilder.Entity<TenantVerificationProfile>());
-        ConfigureTenantAuditLog(modelBuilder.Entity<TenantAuditLog>());
         ConfigureTenantReviewClaim(modelBuilder.Entity<TenantReviewClaim>());
-        ConfigureOperationLog(modelBuilder.Entity<OperationLog>());
         ConfigureQuotaPackage(modelBuilder.Entity<QuotaPackage>());
         ConfigureTenantQuotaPackagePurchase(modelBuilder.Entity<TenantQuotaPackagePurchase>());
         ConfigureMerchantDocument(modelBuilder.Entity<MerchantDocument>());
         ConfigureMerchantContract(modelBuilder.Entity<MerchantContract>());
         ConfigureMerchantStaff(modelBuilder.Entity<MerchantStaff>());
-        ConfigureMerchantAuditLog(modelBuilder.Entity<MerchantAuditLog>());
         ConfigureMerchantCategory(modelBuilder.Entity<MerchantCategory>());
         ConfigureStoreBusinessHour(modelBuilder.Entity<StoreBusinessHour>());
         ConfigureStoreHoliday(modelBuilder.Entity<StoreHoliday>());
@@ -454,7 +435,6 @@ public sealed class TakeoutAppDbContext(
         ConfigureMemberProfile(modelBuilder.Entity<MemberProfile>());
         ConfigureMemberTier(modelBuilder.Entity<MemberTier>());
         ConfigureMemberPointLedger(modelBuilder.Entity<MemberPointLedger>());
-        ConfigureMemberGrowthLog(modelBuilder.Entity<MemberGrowthLog>());
         ConfigureChatSession(modelBuilder.Entity<ChatSession>());
         ConfigureChatMessage(modelBuilder.Entity<ChatMessage>());
         ConfigureSupportTicket(modelBuilder.Entity<SupportTicket>());
@@ -512,17 +492,6 @@ public sealed class TakeoutAppDbContext(
         builder.HasIndex(x => x.TenantId).IsUnique();
     }
 
-    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 ConfigureTenantReviewClaim(EntityTypeBuilder<TenantReviewClaim> builder)
     {
         builder.ToTable("tenant_review_claims");
@@ -537,21 +506,6 @@ public sealed class TakeoutAppDbContext(
         builder.HasIndex(x => x.TenantId).IsUnique().HasFilter("\"ReleasedAt\" IS NULL AND \"DeletedAt\" IS NULL");
     }
 
-    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 ConfigureTenantSubscriptionHistory(EntityTypeBuilder<TenantSubscriptionHistory> builder)
     {
@@ -885,17 +839,6 @@ public sealed class TakeoutAppDbContext(
         builder.HasIndex(x => new { x.TenantId, x.MerchantId, x.Phone });
     }
 
-    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.Title).HasMaxLength(128).IsRequired();
-        builder.Property(x => x.Description).HasMaxLength(1024);
-        builder.Property(x => x.OperatorName).HasMaxLength(64);
-        builder.HasIndex(x => new { x.TenantId, x.MerchantId });
-    }
-
     private static void ConfigureMerchantCategory(EntityTypeBuilder<MerchantCategory> builder)
     {
         builder.ToTable("merchant_categories");
@@ -1297,15 +1240,6 @@ public sealed class TakeoutAppDbContext(
         builder.HasIndex(x => new { x.TenantId, x.MemberId, x.OccurredAt });
     }
 
-    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 });
-    }
-
     private static void ConfigureChatSession(EntityTypeBuilder<ChatSession> builder)
     {
         builder.ToTable("chat_sessions");

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfMerchantRepository.cs

@@ -3,6 +3,7 @@ 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;
 
@@ -12,7 +13,7 @@ namespace TakeoutSaaS.Infrastructure.App.Repositories;
 /// <remarks>
 /// 初始化仓储。
 /// </remarks>
-public sealed class EfMerchantRepository(TakeoutAppDbContext context) : IMerchantRepository
+public sealed class EfMerchantRepository(TakeoutAppDbContext context, TakeoutLogsDbContext logsContext) : IMerchantRepository
 {
     /// <inheritdoc />
     public Task<Merchant?> FindByIdAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
@@ -151,9 +152,13 @@ public sealed class EfMerchantRepository(TakeoutAppDbContext context) : IMerchan
     }
 
     /// <inheritdoc />
-    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    public async Task SaveChangesAsync(CancellationToken cancellationToken = default)
     {
-        return context.SaveChangesAsync(cancellationToken);
+        // 1. 保存业务库变更
+        await context.SaveChangesAsync(cancellationToken);
+
+        // 2. (空行后) 保存日志库变更
+        await logsContext.SaveChangesAsync(cancellationToken);
     }
 
     /// <inheritdoc />
@@ -196,13 +201,13 @@ public sealed class EfMerchantRepository(TakeoutAppDbContext context) : IMerchan
     /// <inheritdoc />
     public Task AddAuditLogAsync(MerchantAuditLog log, CancellationToken cancellationToken = default)
     {
-        return context.MerchantAuditLogs.AddAsync(log, cancellationToken).AsTask();
+        return logsContext.MerchantAuditLogs.AddAsync(log, cancellationToken).AsTask();
     }
 
     /// <inheritdoc />
     public async Task<IReadOnlyList<MerchantAuditLog>> GetAuditLogsAsync(long merchantId, long tenantId, CancellationToken cancellationToken = default)
     {
-        return await context.MerchantAuditLogs
+        return await logsContext.MerchantAuditLogs
             .AsNoTracking()
             .Where(x => x.TenantId == tenantId && x.MerchantId == merchantId)
             .OrderByDescending(x => x.CreatedAt)

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfSubscriptionRepository.cs

@@ -3,13 +3,14 @@ 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) : ISubscriptionRepository
+public sealed class EfSubscriptionRepository(TakeoutAppDbContext dbContext, TakeoutLogsDbContext logsContext) : ISubscriptionRepository
 {
     #region 订阅查询
 
@@ -393,7 +394,7 @@ public sealed class EfSubscriptionRepository(TakeoutAppDbContext dbContext) : IS
     /// <inheritdoc />
     public Task AddOperationLogAsync(OperationLog log, CancellationToken cancellationToken = default)
     {
-        dbContext.Set<OperationLog>().Add(log);
+        logsContext.OperationLogs.Add(log);
         return Task.CompletedTask;
     }
 
@@ -402,6 +403,10 @@ public sealed class EfSubscriptionRepository(TakeoutAppDbContext dbContext) : IS
     /// <inheritdoc />
     public async Task SaveChangesAsync(CancellationToken cancellationToken = default)
     {
+        // 1. 保存业务库变更
         await dbContext.SaveChangesAsync(cancellationToken);
+
+        // 2. (空行后) 保存日志库变更
+        await logsContext.SaveChangesAsync(cancellationToken);
     }
 }

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfTenantRepository.cs

@@ -4,13 +4,14 @@ 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) : ITenantRepository
+public sealed class EfTenantRepository(TakeoutAppDbContext context, TakeoutLogsDbContext logsContext) : ITenantRepository
 {
     /// <inheritdoc />
     public Task<Tenant?> FindByIdAsync(long tenantId, CancellationToken cancellationToken = default)
@@ -277,16 +278,21 @@ public sealed class EfTenantRepository(TakeoutAppDbContext context) : ITenantRep
     {
         try
         {
+            // 1. 写入领取记录
             await context.TenantReviewClaims.AddAsync(claim, cancellationToken);
-            await context.TenantAuditLogs.AddAsync(auditLog, cancellationToken);
-
             await context.SaveChangesAsync(cancellationToken);
+
+            // 2. (空行后) 写入审计日志
+            await logsContext.TenantAuditLogs.AddAsync(auditLog, cancellationToken);
+            await logsContext.SaveChangesAsync(cancellationToken);
             return true;
         }
         catch (DbUpdateException ex) when (ex.InnerException is PostgresException pg && pg.SqlState == PostgresErrorCodes.UniqueViolation)
         {
+            // 1. 释放实体跟踪避免重复写入
             context.Entry(claim).State = EntityState.Detached;
-            context.Entry(auditLog).State = EntityState.Detached;
+
+            // 2. (空行后) 返回抢占失败
             return false;
         }
     }
@@ -372,13 +378,13 @@ public sealed class EfTenantRepository(TakeoutAppDbContext context) : ITenantRep
     /// <inheritdoc />
     public Task AddAuditLogAsync(TenantAuditLog log, CancellationToken cancellationToken = default)
     {
-        return context.TenantAuditLogs.AddAsync(log, cancellationToken).AsTask();
+        return logsContext.TenantAuditLogs.AddAsync(log, cancellationToken).AsTask();
     }
 
     /// <inheritdoc />
     public async Task<IReadOnlyList<TenantAuditLog>> GetAuditLogsAsync(long tenantId, CancellationToken cancellationToken = default)
     {
-        return await context.TenantAuditLogs
+        return await logsContext.TenantAuditLogs
             .IgnoreQueryFilters()
             .AsNoTracking()
             .Where(x => x.DeletedAt == null && x.TenantId == tenantId)
@@ -387,8 +393,12 @@ public sealed class EfTenantRepository(TakeoutAppDbContext context) : ITenantRep
     }
 
     /// <inheritdoc />
-    public Task SaveChangesAsync(CancellationToken cancellationToken = default)
+    public async Task SaveChangesAsync(CancellationToken cancellationToken = default)
     {
-        return context.SaveChangesAsync(cancellationToken);
+        // 1. 保存业务库变更
+        await context.SaveChangesAsync(cancellationToken);
+
+        // 2. (空行后) 保存日志库变更
+        await logsContext.SaveChangesAsync(cancellationToken);
     }
 }

src/Infrastructure/TakeoutSaaS.Infrastructure/Logs/Persistence/TakeoutLogsDbContext.cs

@@ -0,0 +1,102 @@
+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>
+    /// 运营操作日志集合。
+    /// </summary>
+    public DbSet<OperationLog> OperationLogs => Set<OperationLog>();
+
+    /// <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>());
+        ConfigureOperationLog(modelBuilder.Entity<OperationLog>());
+        ConfigureMemberGrowthLog(modelBuilder.Entity<MemberGrowthLog>());
+    }
+
+    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.Title).HasMaxLength(128).IsRequired();
+        builder.Property(x => x.Description).HasMaxLength(1024);
+        builder.Property(x => x.OperatorName).HasMaxLength(64);
+        builder.HasIndex(x => new { x.TenantId, x.MerchantId });
+    }
+
+    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 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 });
+    }
+}

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);
+}

src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/IdentityDb/20251220183000_GrantAnnouncementPermissionsToSuperAdmin.cs

@@ -52,8 +52,15 @@ SELECT
     NULL,
     NULL
 FROM target_permissions tp
-ON CONFLICT (""TenantId"", ""Code"") DO NOTHING;
+ON CONFLICT (""TenantId"", ""Code"") DO NOTHING;"
-
+            );
+            migrationBuilder.Sql(
+                @"WITH target_roles AS (
+    SELECT ""Id"" AS role_id, ""TenantId"" AS tenant_id
+    FROM ""roles""
+    WHERE ""Code"" IN ('super-admin', 'SUPER_ADMIN', 'PlatformAdmin', 'platform-admin')
+      AND ""DeletedAt"" IS NULL
+)
 INSERT INTO ""role_permissions"" (
     ""TenantId"",
     ""RoleId"",

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
+        }
+    }
+}

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)
+        {
+        }
+    }
+}
+

src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/LogsDb/TakeoutLogsDbContextModelSnapshot.cs

@@ -0,0 +1,332 @@
+// <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", "10.0.0")
+                .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
+        }
+    }
+}

src/Infrastructure/TakeoutSaaS.Infrastructure/Migrations/TakeoutAppDbContextModelSnapshot.cs

@@ -2125,74 +2125,6 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                         });
                 });
 
-            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")
@@ -2575,81 +2507,6 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                         });
                 });
 
-            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")
@@ -5680,89 +5537,6 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                         });
                 });
 
-            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")
@@ -6176,85 +5950,6 @@ namespace TakeoutSaaS.Infrastructure.Migrations
                         });
                 });
 
-            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")