fix：参考金值，研听，研值工程通用通用工程公共能力，重点对比网络请求、登录认证、状态管理、本地存储、WebView、推送、版本更新、一键登录、主题/UI 等模块，确定后续统一整改方案

lib/features/settings/data/update_api_client.dart

@@ -48,6 +48,8 @@ class UpgradeInfo {
   }
 }
 
+// BLOCKED(proto): this endpoint has no authoritative generated Upgrade proto.
+// Keep its existing wire contract until that source becomes available.
 class UpdateApiClient {
   UpdateApiClient(this._dio);