chore: add documentation comments and stylecop rules

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

@@ -16,8 +16,10 @@ public sealed class SearchTenantPackagesQueryHandler(ITenantPackageRepository pa
     /// <inheritdoc />
     public async Task<PagedResult<TenantPackageDto>> Handle(SearchTenantPackagesQuery request, CancellationToken cancellationToken)
     {
+        // 1. 查询套餐
         var packages = await packageRepository.SearchAsync(request.Keyword, request.IsActive, cancellationToken);
 
+        // 2. 排序与分页
         var ordered = packages.OrderByDescending(x => x.CreatedAt).ToList();
         var pageIndex = request.Page <= 0 ? 1 : request.Page;
         var size = request.PageSize <= 0 ? 20 : request.PageSize;
@@ -28,6 +30,7 @@ public sealed class SearchTenantPackagesQueryHandler(ITenantPackageRepository pa
             .Select(x => x.ToDto())
             .ToList();
 
+        // 3. 返回分页结果
         return new PagedResult<TenantPackageDto>(pagedItems, pageIndex, size, ordered.Count);
     }
 }