已完成用户APP首期功能开发

交付用户端首期页面、配套接口、后台资源及测试文档。用户APP构建、静态分析和三个管理后台构建通过；完整测试仍有2项失败，后端模型注释检查未通过，详见交付记录。

apps/user_app/test/data/recharge_agreement_test.dart

@@ -0,0 +1,45 @@
+// 功能描述：充值协议按实际版本提交并校验确认结果；版本：1.0.0。
+import 'dart:convert';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:http/http.dart' as http;
+import 'package:http/testing.dart';
+import 'package:user_app/data/repositories/client_repository.dart';
+import 'package:user_app/data/services/api_client.dart';
+import 'package:user_app/domain/models/recharge.dart';
+import 'package:user_app/domain/models/client_models.dart';
+
+class _Repo extends ClientRepository {
+  _Repo(super.api);
+  @override
+  Future<UserProfile> profile() async =>
+      const UserProfile(identity: 'alice', name: '', phone: '', avatar: '');
+}
+
+void main() {
+  test('确认使用稳定账号版本请求号，拒绝错误版本响应', () async {
+    var version = 2;
+    final repo = _Repo(
+      ApiClient(
+        () => 'token',
+        client: MockClient((request) async {
+          expect(request.method, 'POST');
+          expect(request.url.path, '/heqi/client/v1/user/contents/read-confirmations');
+          final body = jsonDecode(request.body) as Map;
+          expect(body['content_version'], 2);
+          expect(body['request_no'], 'consent:alice:agreement:2');
+          return http.Response(
+            jsonEncode({
+              'code': 0,
+              'details': {'identity': 'read', 'content_version': version},
+            }),
+            200,
+          );
+        }),
+      ),
+    );
+    const agreement = RechargeAgreement('agreement', 2, '充值协议', '正文');
+    await repo.confirmRechargeAgreement(agreement);
+    version = 3;
+    await expectLater(repo.confirmRechargeAgreement(agreement), throwsA(isA<ApiException>()));
+  });
+}