/// 存储键常量
class StorageKeys {
  // 设置相关
  static const String themeMode = 'theme_mode';
  static const String customBaseUrl = 'custom_base_url';
  static const String servers = 'flutter_servers';
  static const String lastSelectedServer = 'last_selected_server_label';

  // 上传相关
  static const String uploadQueue = 'upload_queue';
  static const String uploadTasks = 'upload_tasks';

  // 下载相关
  static const String downloadTasks = 'download_tasks';
  static const String downloadWifiOnly = 'download_wifi_only';
  static const String downloadRetries = 'download_retries';

  // 任务记录
  static const String taskRetentionDays = 'task_retention_days';

  // 缓存相关
  static const String cacheSettings = 'cache_settings';

  // Gravatar 镜像
  static const String gravatarMirrorEnabled = 'gravatar_mirror_enabled';
  static const String gravatarMirrorUrl = 'gravatar_mirror_url';

  // 搜索历史
  static const String searchHistory = 'search_history';
}