fix(mobile-app): 完善退出登录时的数据清理逻辑

遵循大厂最佳实践，确保退出登录后下次登录是干净的环境：

SecureStorage 新增清除项：
- inviterReferralCode (临时邀请码)
- biometricEnabled (生物识别设置)

LocalStorage 新增清除项：
- lastSyncTime (最后同步时间)
- cachedRankingData (排行榜缓存)
- cachedMiningStatus (矿机状态缓存)

遥测数据：
- 清除用户相关的事件队列

重构：
- MultiAccountService 增加 LocalStorage 和 TelemetryStorage 依赖
- 更新依赖注入容器
- TelemetryStorage 新增 clearUserData 方法

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

frontend/mobile-app/lib/app.dart

@@ -7,7 +7,6 @@ import 'package:go_router/go_router.dart';
 import 'core/di/injection_container.dart';
 import 'core/theme/app_theme.dart';
 import 'core/services/auth_event_service.dart';
-import 'core/services/multi_account_service.dart';
 import 'routes/app_router.dart';
 import 'routes/route_paths.dart';
 
@@ -48,8 +47,7 @@ class _AppState extends ConsumerState<App> {
     debugPrint('[App] Token expired, navigating to login page');
 
     // 清除当前账号状态（但保留账号列表和向导页标识）
-    final secureStorage = ref.read(secureStorageProvider);
-    final multiAccountService = MultiAccountService(secureStorage);
+    final multiAccountService = ref.read(multiAccountServiceProvider);
     await multiAccountService.logoutCurrentAccount();
 
     // 使用全局 Navigator Key 跳转到登录页面

frontend/mobile-app/lib/core/di/injection_container.dart

@@ -14,6 +14,7 @@ import '../services/notification_service.dart';
 import '../services/system_config_service.dart';
 import '../services/contract_signing_service.dart';
 import '../services/contract_check_service.dart';
+import '../telemetry/storage/telemetry_storage.dart';
 import '../../features/kyc/data/kyc_service.dart';
 
 // Storage Providers
@@ -41,10 +42,17 @@ final accountServiceProvider = Provider<AccountService>((ref) {
   );
 });
 
+// Telemetry Storage Provider
+final telemetryStorageProvider = Provider<TelemetryStorage>((ref) {
+  return TelemetryStorage();
+});
+
 // Multi Account Service Provider
 final multiAccountServiceProvider = Provider<MultiAccountService>((ref) {
   final secureStorage = ref.watch(secureStorageProvider);
-  return MultiAccountService(secureStorage);
+  final localStorage = ref.watch(localStorageProvider);
+  final telemetryStorage = ref.watch(telemetryStorageProvider);
+  return MultiAccountService(secureStorage, localStorage, telemetryStorage);
 });
 
 // Referral Service Provider

frontend/mobile-app/lib/core/services/multi_account_service.dart

@@ -1,8 +1,10 @@
 import 'dart:convert';
 import 'package:flutter/foundation.dart';
 import '../storage/secure_storage.dart';
+import '../storage/local_storage.dart';
 import '../storage/storage_keys.dart';
 import '../telemetry/telemetry_service.dart';
+import '../telemetry/storage/telemetry_storage.dart';
 import '../sentry/sentry_service.dart';
 
 /// 账号信息摘要（用于账号列表显示）
@@ -49,8 +51,14 @@ class MultiAccountService {
   static const String _tag = '[MultiAccountService]';
 
   final SecureStorage _secureStorage;
+  final LocalStorage _localStorage;
+  final TelemetryStorage _telemetryStorage;
 
-  MultiAccountService(this._secureStorage);
+  MultiAccountService(
+    this._secureStorage,
+    this._localStorage,
+    this._telemetryStorage,
+  );
 
   /// 获取账号列表
   Future<List<AccountSummary>> getAccountList() async {
@@ -241,6 +249,7 @@ class MultiAccountService {
 
   /// 退出当前账号（不删除账号数据）
   /// 清除当前会话状态，但保留账号在列表中
+  /// 遵循大厂最佳实践，确保下次登录是干净的环境
   Future<void> logoutCurrentAccount() async {
     debugPrint('$_tag logoutCurrentAccount() - 退出当前账号');
 
@@ -250,48 +259,67 @@ class MultiAccountService {
     // 清除当前账号标记
     await setCurrentAccountId(null);
 
-    // 清除所有当前账号相关的状态（但不删除账号列表）
-    // 这样新账号创建/导入时不会受到旧状态影响
-    final keysToClear = [
-      // Token
+    // ===== 1. 清除 SecureStorage 中的敏感数据 =====
+    final secureKeysToClear = [
+      // Token（必须清除）
       StorageKeys.accessToken,
       StorageKeys.refreshToken,
-      // 账号信息
+      // 账号信息（必须清除）
       StorageKeys.userSerialNum,
       StorageKeys.username,
       StorageKeys.avatarSvg,
       StorageKeys.avatarUrl,
       StorageKeys.referralCode,
       StorageKeys.inviterSequence,
+      StorageKeys.inviterReferralCode, // 临时邀请码
       StorageKeys.isAccountCreated,
       StorageKeys.phoneNumber,
       StorageKeys.isPasswordSet,
-      // 钱包信息
+      // 钱包信息（必须清除）
       StorageKeys.walletAddressBsc,
       StorageKeys.walletAddressKava,
       StorageKeys.walletAddressDst,
       StorageKeys.mnemonic,
       StorageKeys.isWalletReady,
       StorageKeys.isMnemonicBackedUp,
+      // 安全设置（与账号绑定，需清除）
+      StorageKeys.biometricEnabled,
     ];
 
-    for (final key in keysToClear) {
+    for (final key in secureKeysToClear) {
       await _secureStorage.delete(key: key);
     }
+    debugPrint('$_tag logoutCurrentAccount() - 已清除 ${secureKeysToClear.length} 个 SecureStorage 键');
 
-    // 清除遥测服务的用户ID
+    // ===== 2. 清除 LocalStorage 中的缓存数据 =====
+    final localKeysToClear = [
+      StorageKeys.lastSyncTime,
+      StorageKeys.cachedRankingData,
+      StorageKeys.cachedMiningStatus,
+    ];
+
+    for (final key in localKeysToClear) {
+      await _localStorage.remove(key);
+    }
+    debugPrint('$_tag logoutCurrentAccount() - 已清除 ${localKeysToClear.length} 个 LocalStorage 缓存');
+
+    // ===== 3. 清除遥测事件队列（用户相关数据） =====
+    await _telemetryStorage.clearUserData();
+
+    // ===== 4. 清除遥测服务的用户ID =====
     if (TelemetryService().isInitialized) {
       TelemetryService().clearUserId();
-      debugPrint('$_tag logoutCurrentAccount() - 清除TelemetryService userId');
+      debugPrint('$_tag logoutCurrentAccount() - 清除 TelemetryService userId');
     }
 
-    // 清除 Sentry 用户信息
+    // ===== 5. 清除 Sentry 用户信息 =====
     if (SentryService().isInitialized) {
       SentryService().clearUser();
-      debugPrint('$_tag logoutCurrentAccount() - 清除SentryService userId');
+      debugPrint('$_tag logoutCurrentAccount() - 清除 SentryService userId');
     }
 
-    debugPrint('$_tag logoutCurrentAccount() - 退出完成，已清除 ${keysToClear.length} 个状态');
+    final totalCleared = secureKeysToClear.length + localKeysToClear.length;
+    debugPrint('$_tag logoutCurrentAccount() - 退出完成，共清除 $totalCleared 个存储键 + 遥测数据');
   }
 
   /// 完全删除账号（包括所有数据）

frontend/mobile-app/lib/core/telemetry/storage/telemetry_storage.dart

@@ -103,6 +103,13 @@ class TelemetryStorage {
     await _prefs.remove(_keyEventQueue);
   }
 
+  /// 清空所有遥测数据（退出登录时调用）
+  /// 保留 installId 和 deviceContext（设备级别数据）
+  Future<void> clearUserData() async {
+    await _prefs.remove(_keyEventQueue);
+    debugPrint('📊 TelemetryStorage: 已清除用户相关遥测数据');
+  }
+
   // 私有方法
   List<Map<String, dynamic>> _getEventQueue() {
     final str = _prefs.getString(_keyEventQueue);