refactor: update error handling to support dynamic error types

service/error.go

@@ -62,7 +62,7 @@ func ClaudeErrorWrapper(err error, code string, statusCode int) *dto.ClaudeError
 			text = "请求上游地址失败"
 		}
 	}
-	claudeError := dto.ClaudeError{
+	claudeError := types.ClaudeError{
 		Message: text,
 		Type:    "new_api_error",
 	}