e_receipt_mobile/lib/domain/entities/login_user.dart

class LoginUser {
  const LoginUser({
    required this.username,
    required this.token,
    required this.refreshToken,
    required this.role,
  });

  final String username;
  final String token;
  final String refreshToken;
  final String role;

  bool get isAdmin => role.toLowerCase() == 'admin';
}