// 用户信息模型
class UserInfo {
  final String uuid;
  final String deviceModel;
  final String connectedAt;

  UserInfo({
    required this.uuid,
    required this.deviceModel,
    required this.connectedAt,
  });

  factory UserInfo.fromJson(Map<String, dynamic> json) {
    return UserInfo(
      uuid: json['uuid'] ?? '',
      deviceModel: json['deviceModel'] ?? '',
      connectedAt: json['connectedAt'] ?? '',
    );
  }
}