problem_check_system/lib/data/models/sync_status.dart

enum SyncStatus {
  /// 已同步，本地无修改
  synced,

  /// 未同步到服务器
  notSynced,
}

// 添加更多扩展方法
extension SyncStatusExtension on SyncStatus {
  String get displayName {
    switch (this) {
      case SyncStatus.synced:
        return '已上传';
      case SyncStatus.notSynced:
        return '未上传';
    }
  }

  bool get isSynced => this == SyncStatus.synced;
}