fix: 用户列表返回头像并调整上传地址

src/Application/TakeoutSaaS.Application/Storage/Services/FileStorageService.cs

@@ -54,11 +54,11 @@ public sealed class FileStorageService(
 
         // 4. 上传到对象存储
         var uploadResult = await provider.UploadAsync(
-            new StorageUploadRequest(objectKey, request.Content, contentType, request.ContentLength, true, expires, metadata),
+            new StorageUploadRequest(objectKey, request.Content, contentType, request.ContentLength, false, expires, metadata),
             cancellationToken).ConfigureAwait(false);
 
-        // 5. 追加防盗链签名并返回
-        var finalUrl = AppendAntiLeechToken(uploadResult.SignedUrl ?? uploadResult.Url, objectKey, expires, security);
+        // 5. 构造公开访问链接并返回
+        var finalUrl = provider.BuildPublicUrl(uploadResult.ObjectKey);
         logger.LogInformation("文件上传成功：{ObjectKey} ({Size} bytes)", objectKey, request.ContentLength);
 
         return new FileUploadResponse