사용하지 않는 파일 정리 전 백업 (Phase 10 완료 후 상태)

lib/data/models/auth/auth_user.g.dart

@@ -9,10 +9,10 @@ part of 'auth_user.dart';
 _$AuthUserImpl _$$AuthUserImplFromJson(Map<String, dynamic> json) =>
     _$AuthUserImpl(
       id: (json['id'] as num).toInt(),
-      username: json['username'] as String,
+      username: json['username'] as String?,
       email: json['email'] as String,
       name: json['name'] as String,
-      role: json['role'] as String,
+      role: json['role'] as String? ?? 'admin',
     );
 
 Map<String, dynamic> _$$AuthUserImplToJson(_$AuthUserImpl instance) =>