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/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);
     }