refactored lesson details, centralized logout logic, and added resume re-fetch

lib/view/pages/settings/sections/account_section.dart

@@ -1,12 +1,8 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 import '../../../../model/account_data.dart';
-import '../../../../state/app/modules/settings/bloc/settings_cubit.dart';
 import '../../../../widget/centered_leading.dart';
 import '../../../../widget/confirm_dialog.dart';
-import '../../../../widget/debug/cache_view.dart';
 
 class AccountSection extends StatelessWidget {
   const AccountSection({super.key});
@@ -26,16 +22,13 @@ class AccountSection extends StatelessWidget {
         title: 'Abmelden?',
         content: 'Möchtest du dich wirklich abmelden?',
         confirmButton: 'Abmelden',
-        onConfirmAsync: () async {
-          final prefs = await SharedPreferences.getInstance();
-          await prefs.clear();
-          PaintingBinding.instance.imageCache.clear();
-          if (!context.mounted) return;
-          await context.read<SettingsCubit>().reset();
-          await const CacheView().clear();
-          if (!context.mounted) return;
-          await AccountData().removeData(context: context);
-        },
+        // Cleanup of caches, hydrated bloc storage and bloc in-memory state is
+        // handled by the AccountBloc listener in main.dart on the loggedOut
+        // transition. Doing the cleanup *before* setting loggedOut caused
+        // rebuilds in the still-mounted App tree (TimetableBloc/ChatListBloc
+        // emitting empty states) which raced with the home-route swap and
+        // produced a black screen.
+        onConfirmAsync: () => AccountData().removeData(context: context),
       ),
     );
   }