feat(mining-app): 完善 telemetry 埋点 - 页面访问 + 用户行为

- 新增 TelemetryRouteObserver，挂载到 GoRouter 自动追踪全部页面访问
  无需每个页面手动调用 logPageView()，覆盖 27 个路由
- user_providers: login_success/login_failed（区分密码/短信）、logout
- trading_page: buy_shares、sell_shares（含价格/数量/结果）、transfer_shares（含方向/金额/结果）

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/mining-app/lib/core/router/app_router.dart

@@ -31,6 +31,7 @@ import '../../presentation/pages/profile/notification_inbox_page.dart';
 import '../../presentation/widgets/main_shell.dart';
 import '../../presentation/providers/user_providers.dart';
 import 'routes.dart';
+import 'telemetry_route_observer.dart';
 
 /// 不需要登录就能访问的公开路由
 const _publicRoutes = {
@@ -72,6 +73,7 @@ final appRouterProvider = Provider<GoRouter>((ref) {
   return GoRouter(
     initialLocation: Routes.splash,
     refreshListenable: authNotifier,
+    observers: [TelemetryRouteObserver()],
     redirect: (context, state) {
       // 使用 authNotifier 中缓存的状态，而不是 ref.read
       final isLoggedIn = authNotifier.isLoggedIn;

frontend/mining-app/lib/core/router/telemetry_route_observer.dart

@@ -0,0 +1,59 @@
+import 'package:flutter/material.dart';
+import '../telemetry/telemetry_service.dart';
+
+/// 路由遥测观察者
+///
+/// 挂载到 GoRouter.observers，自动追踪所有页面访问。
+/// 无需在每个页面手动调用 logPageView()。
+class TelemetryRouteObserver extends NavigatorObserver {
+  static const _pageNames = {
+    '/': 'splash',
+    '/login': 'login',
+    '/register': 'register',
+    '/forgot-password': 'forgot_password',
+    '/change-password': 'change_password',
+    '/trade-password': 'trade_password',
+    '/contribution': 'contribution',
+    '/trading': 'trading',
+    '/asset': 'asset',
+    '/profile': 'profile',
+    '/edit-profile': 'edit_profile',
+    '/mining-records': 'mining_records',
+    '/batch-mining-records': 'batch_mining_records',
+    '/contribution-records': 'contribution_records',
+    '/planting-records': 'planting_records',
+    '/send-shares': 'send_shares',
+    '/receive-shares': 'receive_shares',
+    '/c2c-market': 'c2c_market',
+    '/c2c-publish': 'c2c_publish',
+    '/c2c-order-detail': 'c2c_order_detail',
+    '/my-team': 'my_team',
+    '/trading-records': 'trading_records',
+    '/transfer-records': 'transfer_records',
+    '/p2p-transfer-records': 'p2p_transfer_records',
+    '/notifications': 'notifications',
+    '/help-center': 'help_center',
+    '/about': 'about',
+  };
+
+  void _log(Route? route) {
+    if (route == null) return;
+    final name = route.settings.name;
+    if (name == null || name.isEmpty) return;
+    final path = name.split('?').first;
+    final pageName = _pageNames[path] ?? path.replaceAll('/', '').replaceAll('-', '_');
+    TelemetryService().logPageView(pageName);
+  }
+
+  @override
+  void didPush(Route route, Route? previousRoute) {
+    super.didPush(route, previousRoute);
+    _log(route);
+  }
+
+  @override
+  void didReplace({Route? newRoute, Route? oldRoute}) {
+    super.didReplace(newRoute: newRoute, oldRoute: oldRoute);
+    _log(newRoute);
+  }
+}

frontend/mining-app/lib/presentation/pages/trading/trading_page.dart

@@ -19,6 +19,7 @@ import '../../widgets/shimmer_loading.dart';
 import '../../widgets/kline_chart/kline_chart_widget.dart';
 import '../../widgets/trade_password_dialog.dart';
 import '../../../data/models/capability_model.dart';
+import '../../../core/telemetry/telemetry_service.dart';
 
 class TradingPage extends ConsumerStatefulWidget {
   const TradingPage({super.key});
@@ -1540,6 +1541,13 @@ class _TradingPageState extends ConsumerState<TradingPage> {
           .sellShares(_priceController.text, _quantityController.text);
     }
 
+    final action = isBuy ? 'buy_shares' : 'sell_shares';
+    TelemetryService().logUserAction(action, properties: {
+      'success': success,
+      'price': _priceController.text,
+      'quantity': _quantityController.text,
+    });
+
     if (mounted) {
       ScaffoldMessenger.of(context).showSnackBar(
         SnackBar(
@@ -1960,6 +1968,11 @@ class _TransferBottomSheetState extends ConsumerState<_TransferBottomSheet> {
         success = await ref.read(tradingNotifierProvider.notifier).transferOut(amount);
       }
 
+      TelemetryService().logUserAction('transfer_shares', properties: {
+        'direction': _direction == 0 ? 'in' : 'out',
+        'amount': amount,
+        'success': success,
+      });
       if (mounted) {
         if (success) {
           Navigator.pop(context);

frontend/mining-app/lib/presentation/providers/user_providers.dart

@@ -178,9 +178,11 @@ class UserNotifier extends StateNotifier<UserState> {
       TelemetryService().setUserId(result.user.accountSequence);
       TelemetryService().setAccessToken(result.accessToken);
       TelemetryService().resumeAfterLogin();
+      TelemetryService().logUserAction('login_success', properties: {'method': 'password'});
       // 登录后获取详细信息
       await fetchProfile();
     } catch (e) {
+      TelemetryService().logUserAction('login_failed', properties: {'method': 'password', 'error': e.toString()});
       state = state.copyWith(isLoading: false, error: e.toString());
       rethrow;
     }
@@ -204,9 +206,11 @@ class UserNotifier extends StateNotifier<UserState> {
       TelemetryService().setUserId(result.user.accountSequence);
       TelemetryService().setAccessToken(result.accessToken);
       TelemetryService().resumeAfterLogin();
+      TelemetryService().logUserAction('login_success', properties: {'method': 'sms'});
       // 登录后获取详细信息
       await fetchProfile();
     } catch (e) {
+      TelemetryService().logUserAction('login_failed', properties: {'method': 'sms', 'error': e.toString()});
       state = state.copyWith(isLoading: false, error: e.toString());
       rethrow;
     }
@@ -218,6 +222,7 @@ class UserNotifier extends StateNotifier<UserState> {
         await _authDataSource.logout(state.refreshToken!);
       } catch (_) {}
     }
+    TelemetryService().logUserAction('logout');
     await TelemetryService().pauseForLogout();
     TelemetryService().setAccessToken(null);
     await _clearStorage();