docs: include dto comments in openapi schemas

Tiku.Api/Controllers/TenantsController.cs

@@ -52,6 +52,15 @@ public sealed class TenantsController(
     }
 }
 
+/// <summary>
+/// 当前请求租户和当前用户在该租户内的权限摘要。
+/// </summary>
+/// <param name="TenantId">租户 ID。</param>
+/// <param name="TenantName">租户名称。</param>
+/// <param name="TenantSlug">租户编码。</param>
+/// <param name="Status">租户状态。</param>
+/// <param name="Role">当前用户在租户内的角色。</param>
+/// <param name="Permissions">当前用户在租户内的权限扩展。</param>
 public sealed record CurrentTenantResponse(
     Guid TenantId,
     string TenantName,