사용하지 않는 파일 정리 전 백업 (Phase 10 완료 후 상태)

lib/data/datasources/remote/auth_remote_datasource.dart

@@ -51,7 +51,7 @@ class AuthRemoteDataSourceImpl implements AuthRemoteDataSource {
           final dataFields = responseData['data'] as Map<String, dynamic>;
           DebugLogger.validateResponseStructure(
             dataFields,
-            ['access_token', 'refresh_token', 'user'],
+            ['access_token', 'refresh_token', 'admin'],  // API returns 'admin' instead of 'user'
             responseName: 'LoginResponse.data',
           );
           
@@ -81,7 +81,7 @@ class AuthRemoteDataSourceImpl implements AuthRemoteDataSource {
           // 응답 데이터 구조 검증 (snake_case 키 확인)
           DebugLogger.validateResponseStructure(
             responseData as Map<String, dynamic>,
-            ['access_token', 'refresh_token', 'user'],
+            ['access_token', 'refresh_token', 'admin'],  // API returns 'admin' instead of 'user'
             responseName: 'LoginResponse',
           );