feat: 租户列表 API 支持按状态过滤

- ListTenantsQuery 添加 Status 可选参数
- ITenantRepository.GetAllAsync 添加 status 参数
- EfTenantRepository 实现状态过滤逻辑
- TenantsController.List 添加 status 查询参数

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/Api/TakeoutSaaS.AdminApi/Controllers/TenantsController.cs

@@ -4,6 +4,7 @@ using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.App.Tenants.Commands;
 using TakeoutSaaS.Application.App.Tenants.Contracts;
 using TakeoutSaaS.Application.App.Tenants.Queries;
+using TakeoutSaaS.Domain.Tenants.Enums;
 using TakeoutSaaS.Module.Authorization.Attributes;
 using TakeoutSaaS.Shared.Abstractions.Results;
 using TakeoutSaaS.Shared.Web.Api;
@@ -22,6 +23,7 @@ public sealed class TenantsController(IMediator mediator) : BaseApiController
     /// 获取租户列表（用于下拉选择器）。
     /// </summary>
     /// <param name="keyword">关键字（租户名称/编码）。</param>
+    /// <param name="status">租户状态过滤（可选）。</param>
     /// <param name="page">页码（从 1 开始）。</param>
     /// <param name="pageSize">每页条数。</param>
     /// <param name="cancellationToken">取消标记。</param>
@@ -31,6 +33,7 @@ public sealed class TenantsController(IMediator mediator) : BaseApiController
     [ProducesResponseType(typeof(ApiResponse<PagedResult<TenantListItemDto>>), StatusCodes.Status200OK)]
     public async Task<ApiResponse<PagedResult<TenantListItemDto>>> List(
         [FromQuery] string? keyword,
+        [FromQuery] TenantStatus? status,
         [FromQuery] int page = 1,
         [FromQuery] int pageSize = 20,
         CancellationToken cancellationToken = default)
@@ -39,6 +42,7 @@ public sealed class TenantsController(IMediator mediator) : BaseApiController
         var query = new ListTenantsQuery
         {
             Keyword = keyword,
+            Status = status,
             Page = page,
             PageSize = pageSize
         };

src/Application/TakeoutSaaS.Application/App/Tenants/Handlers/ListTenantsQueryHandler.cs

@@ -16,8 +16,8 @@ public sealed class ListTenantsQueryHandler(ITenantRepository tenantRepository)
     /// <inheritdoc />
     public async Task<PagedResult<TenantListItemDto>> Handle(ListTenantsQuery request, CancellationToken cancellationToken)
     {
-        // 1. 查询租户列表
-        var tenants = await tenantRepository.GetAllAsync(request.Keyword, cancellationToken);
+        // 1. 查询租户列表（支持状态过滤）
+        var tenants = await tenantRepository.GetAllAsync(request.Keyword, request.Status, cancellationToken);
 
         // 2. 计算分页参数
         var totalCount = tenants.Count;

src/Application/TakeoutSaaS.Application/App/Tenants/Queries/ListTenantsQuery.cs

@@ -1,5 +1,6 @@
 using MediatR;
 using TakeoutSaaS.Application.App.Tenants.Contracts;
+using TakeoutSaaS.Domain.Tenants.Enums;
 using TakeoutSaaS.Shared.Abstractions.Results;
 
 namespace TakeoutSaaS.Application.App.Tenants.Queries;
@@ -14,6 +15,11 @@ public sealed record ListTenantsQuery : IRequest<PagedResult<TenantListItemDto>>
     /// </summary>
     public string? Keyword { get; init; }
 
+    /// <summary>
+    /// 租户状态过滤（可选）。
+    /// </summary>
+    public TenantStatus? Status { get; init; }
+
     /// <summary>
     /// 页码（从 1 开始）。
     /// </summary>

src/Domain/TakeoutSaaS.Domain/Tenants/Repositories/ITenantRepository.cs

@@ -1,5 +1,6 @@
 using TakeoutSaaS.Domain.Billings.Entities;
 using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
 
 namespace TakeoutSaaS.Domain.Tenants.Repositories;
 
@@ -37,9 +38,10 @@ public interface ITenantRepository
     /// 获取所有租户列表（用于下拉选择器）。
     /// </summary>
     /// <param name="keyword">关键字（租户名称/编码）。</param>
+    /// <param name="status">租户状态过滤（可选）。</param>
     /// <param name="cancellationToken">取消标记。</param>
     /// <returns>租户列表。</returns>
-    Task<IReadOnlyList<Tenant>> GetAllAsync(string? keyword, CancellationToken cancellationToken = default);
+    Task<IReadOnlyList<Tenant>> GetAllAsync(string? keyword, TenantStatus? status = null, CancellationToken cancellationToken = default);
 
     /// <summary>
     /// 获取租户详情（包含认证、订阅、套餐信息）。

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

@@ -1,6 +1,7 @@
 using Microsoft.EntityFrameworkCore;
 using TakeoutSaaS.Domain.Billings.Entities;
 using TakeoutSaaS.Domain.Tenants.Entities;
+using TakeoutSaaS.Domain.Tenants.Enums;
 using TakeoutSaaS.Domain.Tenants.Repositories;
 using TakeoutSaaS.Infrastructure.App.Persistence;
 
@@ -55,21 +56,27 @@ public sealed class EfTenantRepository(TakeoutAdminDbContext context) : ITenantR
     }
 
     /// <inheritdoc />
-    public async Task<IReadOnlyList<Tenant>> GetAllAsync(string? keyword, CancellationToken cancellationToken = default)
+    public async Task<IReadOnlyList<Tenant>> GetAllAsync(string? keyword, TenantStatus? status = null, CancellationToken cancellationToken = default)
     {
         // 1. 构建基础查询
         var query = context.Tenants
             .AsNoTracking()
             .Where(x => x.DeletedAt == null);
 
-        // 2. 应用关键字过滤
+        // 2. 应用状态过滤
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        // 3. 应用关键字过滤
         if (!string.IsNullOrWhiteSpace(keyword))
         {
             var normalized = keyword.Trim();
             query = query.Where(x => x.Name.Contains(normalized) || x.Code.Contains(normalized));
         }
 
-        // 3. 返回列表
+        // 4. 返回列表
         return await query.OrderBy(x => x.Code).ToListAsync(cancellationToken);
     }