Feature: Add feature toggles and settings for modular features (e.g., Car, Inventory), enhance navigation for mobile/desktop, and improve i18n integration.

finlog_app/app/lib/modules/settings/modules/app/features_settings_view.dart

@@ -0,0 +1,73 @@
+import 'package:app/core/features/feature_controller.dart';
+import 'package:app/modules/settings/modules/app/model/feature_settings_view_model.dart';
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+import 'package:app/core/i18n/translations.g.dart';
+
+/// A dedicated section under "Einstellungen" to enable/disable features.
+/// You can link this screen from your existing Settings list.
+/// If you keep a single Settings page, render _FeatureSettingsSection in-place.
+class FeatureSettingsView extends StatelessWidget {
+  const FeatureSettingsView({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final t = Translations.of(context);
+    final featureController = context.read<FeatureController>();
+    final model = FeatureSettingsViewModel(featureController);
+
+    return ChangeNotifierProvider(
+      create: (BuildContext context) => model,
+      child: Scaffold(
+        appBar: AppBar(title: Text(t.settings.featureSettings)),
+        body: const _FeatureSettingsSection(),
+      ),
+    );
+  }
+}
+
+/// If you prefer to embed this into your existing AppSettingsView,
+/// use this widget directly inside your Settings ListView/CustomScrollView.
+class _FeatureSettingsSection extends StatelessWidget {
+  const _FeatureSettingsSection();
+
+  @override
+  Widget build(BuildContext context) {
+    final controller = context.watch<FeatureController>();
+    final states = controller.allStates;
+
+    return ListView.separated(
+      padding: const EdgeInsets.symmetric(vertical: 8),
+      itemCount: states.length,
+      separatorBuilder: (_, __) => const Divider(height: 1),
+      itemBuilder: (ctx, i) {
+        final feature = states.keys.elementAt(i);
+        final enabled = states[feature] ?? feature.defaultEnabled;
+
+        final icon = _iconFor(feature);
+
+        return SwitchListTile(
+          value: enabled,
+          secondary: Icon(icon),
+          title: Text(feature.displayName(context)),
+          subtitle: Text(feature.description(context)),
+          onChanged: (v) => controller.setEnabled(feature, v),
+        );
+      },
+    );
+  }
+
+  IconData _iconFor(AppFeature f) {
+    switch (f) {
+      case AppFeature.inventory:
+        return Icons.inventory_2_outlined;
+      case AppFeature.car:
+        return Icons.directions_car;
+      case AppFeature.household:
+        return Icons.home_outlined;
+      case AppFeature.reports:
+        return Icons.bar_chart_outlined;
+    }
+  }
+}

finlog_app/app/lib/modules/settings/modules/app/model/feature_settings_view_model.dart

@@ -0,0 +1,22 @@
+import 'package:app/core/features/feature_controller.dart';
+import 'package:flutter/foundation.dart';
+
+/// Lightweight VM that wraps FeatureController for the Settings screen.
+/// Mirrors your other *ViewModel classes’ init pattern.
+class FeatureSettingsViewModel extends ChangeNotifier {
+  FeatureSettingsViewModel(this._featureController);
+
+  final FeatureController _featureController;
+
+  Map<AppFeature, bool> get states => _featureController.allStates;
+
+  bool isEnabled(AppFeature f) => _featureController.isEnabled(f);
+
+  Future<void> toggle(AppFeature f, bool value) async {
+    await _featureController.setEnabled(f, value);
+    notifyListeners();
+  }
+
+  /// Expose the controller to listen from the view if needed
+  FeatureController get controller => _featureController;
+}

finlog_app/app/lib/modules/settings/settings_view.dart

@@ -1,6 +1,7 @@
 import 'package:app/core/i18n/translations.g.dart';
 import 'package:app/core/ui/panel.dart';
 import 'package:app/modules/settings/modules/app/app_settings_view.dart';
+import 'package:app/modules/settings/modules/app/features_settings_view.dart';
 import 'package:app/modules/settings/modules/help/feedback_view.dart';
 import 'package:app/modules/settings/modules/help/help_view.dart';
 import 'package:app/modules/settings/modules/help/legal_view.dart';
@@ -16,7 +17,7 @@ class SettingsView extends StatelessWidget {
     final t = Translations.of(context);
 
     return Scaffold(
-      appBar: AppBar(title: Text(t.settings.title)),
+      // appBar: AppBar(title: Text(t.settings.title)),
       body: PanelNavigator(rootBuilder: (ctx) => _CategoryList()),
     );
   }
@@ -64,6 +65,12 @@ class _CategoryList extends StatelessWidget {
           () => const AppSettingsView(),
         ),
         const SizedBox(height: 12),
+        tile(
+          Icons.tune,
+          t.settings.featureSettings,
+          () => const FeatureSettingsView(),
+        ),
+        const SizedBox(height: 12),
 
         _SectionHeader(t.settings.sections.account),
         tile(