fill

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

@@ -0,0 +1,48 @@
+import 'package:equatable/equatable.dart';
+
+/// User entity representing authenticated user in the domain layer
+///
+/// This is a pure domain model with no external dependencies
+class UserEntity extends Equatable {
+  /// Unique user identifier
+  final String userId;
+
+  /// Username
+  final String username;
+
+  /// Access token for API authentication
+  final String accessToken;
+
+  /// Refresh token for renewing access token
+  final String? refreshToken;
+
+  const UserEntity({
+    required this.userId,
+    required this.username,
+    required this.accessToken,
+    this.refreshToken,
+  });
+
+  /// Create a copy with modified fields
+  UserEntity copyWith({
+    String? userId,
+    String? username,
+    String? accessToken,
+    String? refreshToken,
+  }) {
+    return UserEntity(
+      userId: userId ?? this.userId,
+      username: username ?? this.username,
+      accessToken: accessToken ?? this.accessToken,
+      refreshToken: refreshToken ?? this.refreshToken,
+    );
+  }
+
+  @override
+  List<Object?> get props => [userId, username, accessToken, refreshToken];
+
+  @override
+  String toString() {
+    return 'UserEntity(userId: $userId, username: $username, hasRefreshToken: ${refreshToken != null})';
+  }
+}