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

test/common/push/push_api_client_test.dart

@@ -0,0 +1,55 @@
+import 'dart:typed_data';
+
+import 'package:dio/dio.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:jinzhi_flutter_app/common/push/push_api_client.dart';
+import 'package:jinzhi_flutter_app/models/pb/jinzhi/v1/push.pb.dart' as pb;
+
+void main() {
+  test(
+    'Retrofit push client uses generated protobuf in both directions',
+    () async {
+      final adapter = _PushAdapter();
+      final client = PushApiClient(
+        Dio(BaseOptions(responseType: ResponseType.bytes))
+          ..httpClientAdapter = adapter,
+      );
+
+      final reply = await client.registerDevice(
+        pb.RegisterPushDeviceRequest(
+          umengDeviceToken: 'push-token',
+          platform: pb.Platform.PLATFORM_IOS,
+          appVersion: '1.1.0',
+          permissionGranted: true,
+        ),
+      );
+
+      expect(reply.deviceRecordId, 'device-record');
+      final request = pb.RegisterPushDeviceRequest.fromBuffer(adapter.body!);
+      expect(request.umengDeviceToken, 'push-token');
+      expect(request.platform, pb.Platform.PLATFORM_IOS);
+    },
+  );
+}
+
+class _PushAdapter implements HttpClientAdapter {
+  List<int>? body;
+
+  @override
+  Future<ResponseBody> fetch(
+    RequestOptions options,
+    Stream<Uint8List>? requestStream,
+    Future<void>? cancelFuture,
+  ) async {
+    body = (options.data as List<int>).toList();
+    return ResponseBody.fromBytes(
+      pb.RegisterPushDeviceReply(
+        deviceRecordId: 'device-record',
+      ).writeToBuffer(),
+      200,
+    );
+  }
+
+  @override
+  void close({bool force = false}) {}
+}