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/domain/recharge_draft_test.dart

@@ -0,0 +1,39 @@
+// 功能描述：充值待确认请求的存储隔离和损坏保护；版本：1.0.0。
+import 'package:flutter_test/flutter_test.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+import 'package:user_app/data/services/recharge_draft_store.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  const draft = PendingRecharge(
+    request: 'request-1',
+    amount: 29,
+    channel: 'alipay',
+    payType: 'wap',
+  );
+  test('重开存储恢复同一请求，环境和账号分别隔离', () async {
+    FlutterSecureStorage.setMockInitialValues({});
+    final store = SecureRechargeDraftStore();
+    await store.write('api-a#alice', draft);
+    expect((await SecureRechargeDraftStore().read('api-a#alice'))?.request, 'request-1');
+    expect((await store.read('api-a#alice'))?.amount, 29);
+    expect(await store.read('api-a#bob'), isNull);
+    expect(await store.read('api-b#alice'), isNull);
+    await store.delete('api-a#bob');
+    expect(await store.read('api-a#alice'), isNotNull);
+    await store.delete('api-a#alice');
+    expect(await store.read('api-a#alice'), isNull);
+  });
+  test('损坏请求不能静默当作未创建，禁止Mock渠道和无效金额', () {
+    for (final patch in <Map<String, Object?>>[
+      {'schema': 2},
+      {'request': ''},
+      {'amount': 0},
+      {'amount': 1.5},
+      {'channel': 'mock'},
+      {'channel': 'wechat', 'pay_type': 'wap'},
+    ]) {
+      expect(() => PendingRecharge.fromJson({...draft.toJson(), ...patch}), throwsFormatException);
+    }
+  });
+}