feat:implementacion grafica

lib/features/auth/domain/entities/auth_user.dart

@@ -0,0 +1,27 @@
+import 'package:equatable/equatable.dart';
+
+/// Entidad de dominio que representa un usuario autenticado.
+/// Almacena únicamente el token (simulado JWT) y el rol,
+/// sin datos de ubicación o rastreo.
+class AuthUser extends Equatable {
+  final String token;
+  final String email;
+  final String role; // 'citizen' | 'operator'
+  final DateTime issuedAt;
+  final DateTime expiresAt;
+
+  const AuthUser({
+    required this.token,
+    required this.email,
+    required this.role,
+    required this.issuedAt,
+    required this.expiresAt,
+  });
+
+  bool get isExpired => DateTime.now().isAfter(expiresAt);
+
+  bool get isValid => token.isNotEmpty && !isExpired;
+
+  @override
+  List<Object?> get props => [token, email, role, issuedAt, expiresAt];
+}