feat(mobile): star rating (#24457)

* feat(mobile): star rating

* refactor: use custom rating bar & provider

* refactor: remove user prop from provider

* feat: clear, padding, star size, impl suggestions

* chore: switch to rounded star icons

* fix: alignment & gesturedetector

* feat: rating search filter

mobile/lib/providers/infrastructure/action.provider.dart

@@ -359,6 +359,22 @@ class ActionNotifier extends Notifier<void> {
     }
   }
 
+  Future<ActionResult> updateRating(ActionSource source, int rating) async {
+    final ids = _getRemoteIdsForSource(source);
+    if (ids.length != 1) {
+      _logger.warning('updateRating called with multiple assets, expected single asset');
+      return ActionResult(count: ids.length, success: false, error: 'Expected single asset for rating update');
+    }
+
+    try {
+      final isUpdated = await _service.updateRating(ids.first, rating);
+      return ActionResult(count: 1, success: isUpdated);
+    } catch (error, stack) {
+      _logger.severe('Failed to update rating for asset', error, stack);
+      return ActionResult(count: 1, success: false, error: error.toString());
+    }
+  }
+
   Future<ActionResult> stack(String userId, ActionSource source) async {
     final ids = _getOwnedRemoteIdsForSource(source);
     try {

mobile/lib/providers/infrastructure/user_metadata.provider.dart

@@ -1,7 +1,22 @@
 import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:immich_mobile/domain/models/user_metadata.model.dart';
 import 'package:immich_mobile/infrastructure/repositories/user_metadata.repository.dart';
 import 'package:immich_mobile/providers/infrastructure/db.provider.dart';
+import 'package:immich_mobile/providers/user.provider.dart';
 
 final userMetadataRepository = Provider<DriftUserMetadataRepository>(
   (ref) => DriftUserMetadataRepository(ref.watch(driftProvider)),
 );
+
+final userMetadataProvider = FutureProvider<List<UserMetadata>>((ref) async {
+  final repository = ref.watch(userMetadataRepository);
+  final user = ref.watch(currentUserProvider);
+  if (user == null) return [];
+  return repository.getUserMetadata(user.id);
+});
+
+final userMetadataPreferencesProvider = FutureProvider<Preferences?>((ref) async {
+  final metadataList = await ref.watch(userMetadataProvider.future);
+  final metadataWithPrefs = metadataList.firstWhere((meta) => meta.preferences != null);
+  return metadataWithPrefs.preferences;
+});