implemented a central haptic feedback system with configurable levels (off, reduced, full), added a Haptics facade providing semantic feedback methods, integrated haptic cues across navigation, settings toggles, and async action results, and updated version to 1.1.0+54

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

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 
 import '../../../../state/app/modules/settings/bloc/settings_cubit.dart';
+import '../../../../utils/haptics.dart';
 import '../../../../view/pages/timetable/data/timetable_name_mode.dart';
 
 class TimetableSection extends StatelessWidget {
@@ -46,12 +47,13 @@ class TimetableSection extends StatelessWidget {
           title: const Text('Doppelstunden zusammenhängend anzeigen'),
           trailing: Checkbox(
             value: timetableSettings.connectDoubleLessons,
-            onChanged: (e) =>
-                settings
-                        .val(write: true)
-                        .timetableSettings
-                        .connectDoubleLessons =
-                    e!,
+            onChanged: (e) {
+              Haptics.selection();
+              settings
+                  .val(write: true)
+                  .timetableSettings
+                  .connectDoubleLessons = e!;
+            },
           ),
         ),
       ],