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

lib/app/app.dart

@@ -1,7 +1,9 @@
 import 'dart:async';
 
+import 'package:app_links/app_links.dart';
 import 'package:flutter/material.dart';
 import 'package:google_fonts/google_fonts.dart';
+import 'package:go_router/go_router.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:shadcn_ui/shadcn_ui.dart';
 
@@ -15,6 +17,10 @@ import '../common/theme/theme_controller.dart';
 import '../features/ads/application/ad_config_foreground_refresher.dart';
 import '../features/settings/application/update_foreground_service.dart';
 import '../features/web/application/mall_web_host_controller.dart';
+import '../features/auth/application/auth_controller.dart';
+import '../features/auth/application/auth_session_coordinator.dart';
+import '../features/auth/data/auth_models.dart';
+import '../features/assets/application/asset_portfolio_controller.dart';
 import '../common/router/deep_link_service.dart';
 import '../common/services/device_header_service.dart';
 
@@ -28,14 +34,43 @@ class JinzhiApp extends ConsumerStatefulWidget {
 class _JinzhiAppState extends ConsumerState<JinzhiApp>
     with WidgetsBindingObserver {
   late final DevicePushRegistrar _pushRegistrar;
+  ProviderSubscription<AsyncValue<AuthState>>? _authSubscription;
+  StreamSubscription<Uri>? _appLinkSubscription;
+  late final SessionEndListener _sessionEndListener;
 
   @override
   void initState() {
     super.initState();
     WidgetsBinding.instance.addObserver(this);
     _pushRegistrar = DevicePushRegistrar(ref.read)..start();
+    _sessionEndListener = (reason) {
+      if (reason == SessionEndReason.accountDeleted) {
+        ref.read(assetPortfolioControllerProvider.notifier).clearHoldings();
+      }
+    };
+    ref.read(authSessionCoordinatorProvider).addListener(_sessionEndListener);
+    _authSubscription = ref.listenManual<AsyncValue<AuthState>>(authProvider, (
+      previous,
+      next,
+    ) {
+      final oldUser = previous?.valueOrNull is LoggedInAuthState
+          ? (previous!.valueOrNull! as LoggedInAuthState).user.id
+          : null;
+      final newUser = next.valueOrNull is LoggedInAuthState
+          ? (next.valueOrNull! as LoggedInAuthState).user.id
+          : null;
+      if (oldUser != newUser) _pushRegistrar.forceRegisterCurrentToken();
+      DeepLinkService.notifyAuthChanged();
+    });
     UmengPushService.configureNotificationOpen(DeepLinkService.handle);
+    unawaited(_startAppLinks());
     WidgetsBinding.instance.addPostFrameCallback((_) {
+      DeepLinkService.attachRouter((location) {
+        final context = rootNavigatorKey.currentContext;
+        if (context == null) return false;
+        context.go(location);
+        return true;
+      }, authGuard: (_) => !ref.read(authProvider).isLoading);
       // 首次 iOS 启动在欢迎页点击进入后才注册 APNs，确保系统弹窗不被启动页
       // 或其他 Overlay 吞掉；后续启动和 Android 保持原有自动初始化。
       if (!DeviceHeaderService.to.iosStartupRequired) {
@@ -44,9 +79,29 @@ class _JinzhiAppState extends ConsumerState<JinzhiApp>
     });
   }
 
+  Future<void> _startAppLinks() async {
+    try {
+      final appLinks = AppLinks();
+      final initial = await appLinks.getInitialLink();
+      if (initial != null) DeepLinkService.handleUri(initial);
+      _appLinkSubscription = appLinks.uriLinkStream.listen(
+        DeepLinkService.handleUri,
+        onError: (_) {},
+      );
+    } catch (_) {
+      // Desktop tests and unsupported platforms may not register the plugin.
+    }
+  }
+
   @override
   void dispose() {
     unawaited(_pushRegistrar.stop());
+    _authSubscription?.close();
+    ref
+        .read(authSessionCoordinatorProvider)
+        .removeListener(_sessionEndListener);
+    unawaited(_appLinkSubscription?.cancel());
+    DeepLinkService.detachRouter();
     WidgetsBinding.instance.removeObserver(this);
     super.dispose();
   }