feat: configurable menu bar position for mailbox view (#298) (#303)

test/widget/helpers.dart

@@ -14,6 +14,7 @@ import 'package:sharedinbox/core/models/discovery_result.dart';
 import 'package:sharedinbox/core/models/draft.dart';
 import 'package:sharedinbox/core/models/email.dart';
 import 'package:sharedinbox/core/models/mailbox.dart';
+import 'package:sharedinbox/core/models/user_preferences.dart';
 import 'package:sharedinbox/core/repositories/account_repository.dart';
 import 'package:sharedinbox/core/repositories/draft_repository.dart';
 import 'package:sharedinbox/core/repositories/email_repository.dart';
@@ -21,6 +22,7 @@ import 'package:sharedinbox/core/repositories/mailbox_repository.dart';
 import 'package:sharedinbox/core/repositories/search_history_repository.dart';
 import 'package:sharedinbox/core/repositories/share_key_repository.dart';
 import 'package:sharedinbox/core/repositories/sync_log_repository.dart';
+import 'package:sharedinbox/core/repositories/user_preferences_repository.dart';
 import 'package:sharedinbox/core/services/account_discovery_service.dart';
 import 'package:sharedinbox/core/services/connection_test_service.dart';
 import 'package:sharedinbox/core/services/managesieve_probe_service.dart';
@@ -39,6 +41,7 @@ import 'package:sharedinbox/ui/screens/email_list_screen.dart';
 import 'package:sharedinbox/ui/screens/mailbox_list_screen.dart';
 import 'package:sharedinbox/ui/screens/search_screen.dart';
 import 'package:sharedinbox/ui/screens/thread_detail_screen.dart';
+import 'package:sharedinbox/ui/screens/user_preferences_screen.dart';
 
 // ---------------------------------------------------------------------------
 // Fake repositories
@@ -431,6 +434,10 @@ Widget buildApp({
             path: 'send',
             builder: (ctx, state) => const AccountSendScreen(),
           ),
+          GoRoute(
+            path: 'preferences',
+            builder: (ctx, state) => const UserPreferencesScreen(),
+          ),
           GoRoute(
             path: ':accountId/edit',
             builder: (ctx, state) => EditAccountScreen(
@@ -515,6 +522,9 @@ Widget buildApp({
       syncLogRepositoryProvider.overrideWithValue(
         const NoOpSyncLogRepository(),
       ),
+      userPreferencesRepositoryProvider.overrideWithValue(
+        FakeUserPreferencesRepository(),
+      ),
       ...overrides,
       manageSieveProbeServiceProvider.overrideWith(
         (ref) => _NoOpManageSieveProbeService(),
@@ -611,6 +621,23 @@ Email testEmail({
       listUnsubscribeHeader: listUnsubscribeHeader,
     );
 
+class FakeUserPreferencesRepository implements UserPreferencesRepository {
+  FakeUserPreferencesRepository({
+    this.menuPosition = MenuPosition.bottom,
+  });
+
+  MenuPosition menuPosition;
+
+  @override
+  Stream<UserPreferences> observePreferences() =>
+      Stream.value(UserPreferences(menuPosition: menuPosition));
+
+  @override
+  Future<void> updateMenuPosition(MenuPosition position) async {
+    menuPosition = position;
+  }
+}
+
 class FakeSearchHistoryRepository implements SearchHistoryRepository {
   final List<String> _history = [];