[WIP]모바일 로그인창 테스트 강화중

userfront/lib/core/i18n/toml_asset_loader.dart

@@ -37,6 +37,7 @@ Map<String, dynamic> _normalizeFlatTranslations(Map<String, String> flatMap) =>
 
 bool _isUserfrontTranslationKey(String key) {
   return key.startsWith('domain.') ||
+      key.startsWith('err.userfront.') ||
       key.startsWith('msg.userfront.') ||
       key.startsWith('ui.userfront.') ||
       key.startsWith('ui.common.');