fix: 修正Swagger UI在网关下的文档路径

src/Core/TakeoutSaaS.Shared.Web/Swagger/SwaggerExtensions.cs

@@ -55,8 +55,9 @@ public static class SwaggerExtensions
         {
             foreach (var description in provider.ApiVersionDescriptions)
             {
+                // 3. 使用相对路径适配反向代理/网关前缀
                 options.SwaggerEndpoint(
-                    $"/swagger/{description.GroupName}/swagger.json",
+                    $"./{description.GroupName}/swagger.json",
                     $"{settings.Title} {description.ApiVersion}");
             }
             // 2. 显示请求耗时