update api

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

@@ -0,0 +1,16 @@
+import 'package:equatable/equatable.dart';
+import 'user.dart';
+
+/// Authentication response entity
+class AuthResponse extends Equatable {
+  final String accessToken;
+  final User user;
+
+  const AuthResponse({
+    required this.accessToken,
+    required this.user,
+  });
+
+  @override
+  List<Object?> get props => [accessToken, user];
+}

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

@@ -0,0 +1,45 @@
+import 'package:equatable/equatable.dart';
+
+/// User entity representing a user in the system
+class User extends Equatable {
+  final String id;
+  final String name;
+  final String email;
+  final List<String> roles;
+  final bool isActive;
+  final DateTime createdAt;
+  final DateTime updatedAt;
+
+  const User({
+    required this.id,
+    required this.name,
+    required this.email,
+    required this.roles,
+    required this.isActive,
+    required this.createdAt,
+    required this.updatedAt,
+  });
+
+  @override
+  List<Object?> get props => [
+        id,
+        name,
+        email,
+        roles,
+        isActive,
+        createdAt,
+        updatedAt,
+      ];
+
+  /// Check if user has a specific role
+  bool hasRole(String role) => roles.contains(role);
+
+  /// Check if user is admin
+  bool get isAdmin => hasRole('admin');
+
+  /// Check if user is manager
+  bool get isManager => hasRole('manager');
+
+  /// Check if user is cashier
+  bool get isCashier => hasRole('cashier');
+}