import 'package:freezed_annotation/freezed_annotation.dart'; part 'user.freezed.dart'; // part 'user.g.dart'; @freezed class User with _$User { const factory User({ required String id, required String name, String? avatarUrl, String? role, // 'admin', 'member' bool? isOnline, DateTime? lastSeen, }) = _User; // factory User.fromJson(Map json) => _$UserFromJson(json); }