first commit

lib/features/profile/domain/models/profile_model.dart

@@ -0,0 +1,35 @@
+class ProfileModel {
+  const ProfileModel({
+    required this.userId,
+    required this.username,
+    required this.bio,
+    required this.avatarUrl,
+  });
+
+  final String userId;
+  final String username;
+  final String bio;
+  final String avatarUrl;
+
+  factory ProfileModel.fromJson(Map<String, dynamic> json) {
+    return ProfileModel(
+      userId: (json['user_id'] as String?) ?? '',
+      username: (json['username'] as String?) ?? '',
+      bio: (json['bio'] as String?) ?? '',
+      avatarUrl: (json['avatar_url'] as String?) ?? '',
+    );
+  }
+
+  ProfileModel copyWith({
+    String? username,
+    String? bio,
+    String? avatarUrl,
+  }) {
+    return ProfileModel(
+      userId: userId,
+      username: username ?? this.username,
+      bio: bio ?? this.bio,
+      avatarUrl: avatarUrl ?? this.avatarUrl,
+    );
+  }
+}