custom login implementation, period-based timetable layout with overlap handling, enhanced error dialogs, and unified bottom sheets

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

@@ -1,6 +1,9 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 
 import '../../../../model/account_data.dart';
+import '../../../../state/app/modules/account/bloc/account_bloc.dart';
+import '../../../../state/app/modules/account/bloc/account_state.dart';
 import '../../../../widget/centered_leading.dart';
 import '../../../../widget/confirm_dialog.dart';
 
@@ -15,21 +18,23 @@ class AccountSection extends StatelessWidget {
         onTap: () => _showLogoutDialog(context),
       );
 
-  void _showLogoutDialog(BuildContext context) {
-    showDialog(
+  Future<void> _showLogoutDialog(BuildContext context) async {
+    // Sequential logout flow: dialog wipes secure storage, dialog closes
+    // (single Navigator.pop), then we flip the AccountBloc state. The bloc
+    // listener in main.dart pops the Settings route and runs the in-memory
+    // wipe. Triggering setStatus from inside removeData (the previous
+    // approach) raced AsyncDialogAction's pop(true) against popUntil(isFirst)
+    // and could leave the navigator in an inconsistent state.
+    final confirmed = await showDialog<bool>(
       context: context,
       builder: (dialogContext) => ConfirmDialog(
         title: 'Abmelden?',
         content: 'Möchtest du dich wirklich abmelden?',
         confirmButton: 'Abmelden',
-        // 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),
+        onConfirmAsync: AccountData().removeData,
       ),
     );
+    if (confirmed != true || !context.mounted) return;
+    context.read<AccountBloc>().setStatus(AccountStatus.loggedOut);
   }
 }