more refactors

mobile-v2/lib/domain/interfaces/api/sync_api.interface.dart

@@ -0,0 +1,11 @@
+import 'package:immich_mobile/domain/models/asset.model.dart';
+
+abstract interface class ISyncApiRepository {
+  /// Fetches the full assets for the user in batches
+  Future<List<Asset>?> getFullSyncForUser({
+    String? lastId,
+    required int limit,
+    required DateTime updatedUntil,
+    String? userId,
+  });
+}