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lib/data/sync/sync_engine.dart

@@ -1,4 +1,5 @@
 import 'dart:async';
+import '../../core/exceptions/sync_exception.dart';
 import '../local/local_storage_service.dart';
 import '../immich/immich_service.dart';
 import '../nostr/nostr_service.dart';
@@ -6,18 +7,6 @@ import '../nostr/models/nostr_keypair.dart';
 import 'models/sync_status.dart';
 import 'models/sync_operation.dart';
 
-/// Exception thrown when sync operations fail.
-class SyncException implements Exception {
-  /// Error message.
-  final String message;
-
-  /// Creates a [SyncException] with the provided message.
-  SyncException(this.message);
-
-  @override
-  String toString() => 'SyncException: $message';
-}
-
 /// Engine for coordinating data synchronization between local storage, Immich, and Nostr.
 ///
 /// This service provides: