class FollowRequest { final String followerId; final String handle; final String displayName; final String? avatarUrl; final DateTime? requestedAt; const FollowRequest({ required this.followerId, required this.handle, required this.displayName, this.avatarUrl, this.requestedAt, }); factory FollowRequest.fromJson(Map json) { final requestedAtValue = json['requested_at'] as String?; return FollowRequest( followerId: json['follower_id'] as String? ?? '', handle: json['handle'] as String? ?? 'unknown', displayName: json['display_name'] as String? ?? 'Anonymous', avatarUrl: json['avatar_url'] as String?, requestedAt: requestedAtValue != null ? DateTime.parse(requestedAtValue) : null, ); } }