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/storage/haptic_settings.dart

@@ -0,0 +1,16 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'haptic_settings.g.dart';
+
+enum HapticLevel { off, reduced, full }
+
+@JsonSerializable()
+class HapticSettings {
+  HapticLevel level;
+
+  HapticSettings({required this.level});
+
+  factory HapticSettings.fromJson(Map<String, dynamic> json) =>
+      _$HapticSettingsFromJson(json);
+  Map<String, dynamic> toJson() => _$HapticSettingsToJson(this);
+}