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/timetable/widgets/calendar/week_grid.dart

@@ -242,7 +242,7 @@ class _DayColumn extends StatelessWidget {
     );
     if (_overlapsExistingAppointment(start, end, dayAppts)) return;
 
-    HapticFeedback.mediumImpact();
+    Haptics.longPress();
     onCreateEvent!(start, end);
   }