feat: enhance order processing and tenant management services

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

backend/app/services/common.go

@@ -594,6 +594,9 @@ func (s *common) GetAssetURL(objectKey string) string {
 	if objectKey == "" {
 		return ""
 	}
+	if strings.HasPrefix(objectKey, "http://") || strings.HasPrefix(objectKey, "https://") {
+		return objectKey
+	}
 	url, _ := s.storage.SignURL("GET", objectKey, 1*time.Hour)
 
 	return url