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/widget/async_action_button.dart

@@ -7,6 +7,7 @@ library;
 import 'package:flutter/material.dart';
 
 import '../api/errors/error_mapper.dart';
+import '../utils/haptics.dart';
 import 'app_progress_indicator.dart';
 import 'info_dialog.dart';
 

lib/widget/async_actions/async_action_controller.dart

@@ -13,8 +13,10 @@ Future<bool> runWithErrorDialog(
 }) async {
   try {
     await action();
+    Haptics.success();
     return true;
   } catch (e) {
+    Haptics.error();
     if (!context.mounted) return false;
     final message = errorBuilder != null
         ? errorBuilder(e)

lib/widget/async_actions/async_mixin.dart

@@ -66,9 +66,11 @@ class _AsyncMixinState extends State<_AsyncMixin> {
     );
     if (!mounted) return;
     if (success) {
+      Haptics.success();
       widget.onSuccess?.call();
-    } else if (widget.onError != null && _controller.error != null) {
-      widget.onError!(_controller.error!);
+    } else if (_controller.error != null) {
+      Haptics.error();
+      widget.onError?.call(_controller.error!);
     }
   }
 

lib/widget/confirm_dialog.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:url_launcher/url_launcher.dart';
 
+import '../utils/haptics.dart';
 import 'async_action_button.dart';
 
 class ConfirmDialog extends StatelessWidget {
@@ -53,6 +54,7 @@ class ConfirmDialog extends StatelessWidget {
             ),
             TextButton(
               onPressed: () {
+                Haptics.confirm();
                 Navigator.of(context).pop();
                 onConfirm!();
               },