refactor: 修复预热编排器竞态条件添加 runToken 机制

apps/lib/app/app.dart

@@ -9,6 +9,8 @@ import '../l10n/app_localizations.dart';
 import '../features/auth/presentation/bloc/auth_bloc.dart';
 import '../features/auth/presentation/bloc/auth_event.dart';
 import '../features/auth/presentation/bloc/auth_state.dart';
+import '../features/chat/presentation/bloc/chat_bloc.dart';
+import '../data/cache/cache_scope.dart';
 import 'services/app_prewarm_orchestrator.dart';
 import 'router/app_router.dart';
 import '../core/theme/app_theme.dart';
@@ -23,11 +25,30 @@ class LinksyApp extends StatefulWidget {
 class _LinksyAppState extends State<LinksyApp> {
   late final AuthBloc _authBloc;
   late final GoRouter _router;
+  int _cacheScopeVersion = 0;
+
+  Future<void> _onAuthenticated(String userId) async {
+    _cacheScopeVersion += 1;
+    final scopeKey = 'user:$userId:v$_cacheScopeVersion';
+    CacheScope.configureProvider(() => scopeKey);
+    await sl<ChatBloc>().switchUser(userId);
+    await sl<AppPrewarmOrchestrator>().ensureStartedFor(userId);
+  }
+
+  Future<void> _onUnauthenticated() async {
+    _cacheScopeVersion += 1;
+    final scopeKey = 'anonymous:v$_cacheScopeVersion';
+    CacheScope.configureProvider(() => scopeKey);
+    await sl<ChatBloc>().switchUser(null);
+    sl<AppPrewarmOrchestrator>().reset();
+  }
 
   @override
   void initState() {
     super.initState();
     _authBloc = sl<AuthBloc>();
+    const initialScopeKey = 'anonymous:v0';
+    CacheScope.configureProvider(() => initialScopeKey);
     _authBloc.add(AuthStarted());
     _router = createAppRouter(_authBloc);
   }
@@ -45,12 +66,10 @@ class _LinksyAppState extends State<LinksyApp> {
       child: BlocListener<AuthBloc, AuthState>(
         listener: (context, state) {
           if (state is AuthAuthenticated) {
-            unawaited(
-              sl<AppPrewarmOrchestrator>().ensureStartedFor(state.user.id),
-            );
+            unawaited(_onAuthenticated(state.user.id));
           }
           if (state is AuthUnauthenticated) {
-            sl<AppPrewarmOrchestrator>().reset();
+            unawaited(_onUnauthenticated());
           }
         },
         child: MaterialApp.router(