social-app/apps/lib/data/models/user_profile.dart

class UserProfile {
  final String id;
  final String username;
  final String? phone;
  final String? avatarUrl;
  final String? bio;

  const UserProfile({
    required this.id,
    required this.username,
    this.phone,
    this.avatarUrl,
    this.bio,
  });

  factory UserProfile.fromJson(Map<String, dynamic> json) {
    return UserProfile(
      id: json['id'] as String,
      username: json['username'] as String,
      phone: json['phone'] as String?,
      avatarUrl: json['avatar_url'] as String?,
      bio: json['bio'] as String?,
    );
  }
}

class UserUpdateRequest {
  final String? username;
  final String? avatarUrl;
  final String? bio;

  const UserUpdateRequest({this.username, this.avatarUrl, this.bio});

  Map<String, dynamic> toJson() {
    return {
      if (username != null) 'username': username,
      if (avatarUrl != null) 'avatar_url': avatarUrl,
      if (bio != null) 'bio': bio,
    };
  }
}