docs: 完善参数注释与StyleCop配置

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

@@ -1,5 +1,4 @@
 using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using TakeoutSaaS.Application.Identity.Abstractions;
 using TakeoutSaaS.Application.Identity.Contracts;
@@ -51,6 +50,9 @@ public sealed class UserPermissionsController(IAdminAuthService authService) : B
     /// }
     /// </code>
     /// </remarks>
+    /// <param name="query">搜索条件。</param>
+    /// <param name="cancellationToken">取消标记。</param>
+    /// <returns>分页的用户权限概览。</returns>
     [HttpGet]
     [PermissionAuthorize("identity:permission:read")]
     [ProducesResponseType(typeof(ApiResponse<PagedResult<UserPermissionDto>>), StatusCodes.Status200OK)]