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/utils/clipboard_helper.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 
+import 'haptics.dart';
+
 /// Copies [text] to the system clipboard and shows a SnackBar.
 Future<void> copyToClipboard(
   BuildContext context,
@@ -8,6 +10,7 @@ Future<void> copyToClipboard(
   String successMessage = 'In Zwischenablage kopiert',
 }) async {
   await Clipboard.setData(ClipboardData(text: text));
+  Haptics.selection();
   if (!context.mounted) return;
   ScaffoldMessenger.of(context).showSnackBar(
     SnackBar(