i18n 대대적 변경

userfront/test/dashboard_providers_test.dart

@@ -1,8 +1,11 @@
+import 'dart:ui';
+
 import 'package:flutter_test/flutter_test.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import 'package:userfront/features/dashboard/domain/dashboard_providers.dart';
 import 'package:userfront/features/dashboard/domain/models.dart';
+import 'package:userfront/i18n.dart';
 
 AuditLogEntry _log(String id) {
   return AuditLogEntry.fromJson({
@@ -21,6 +24,14 @@ Future<void> _drainMicrotasks() async {
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
+  final dispatcher = TestWidgetsFlutterBinding.instance.platformDispatcher;
+  dispatcher.localeTestValue = const Locale('ko');
+  dispatcher.localesTestValue = const [Locale('ko')];
+
+  tearDownAll(() {
+    dispatcher.clearLocaleTestValue();
+    dispatcher.clearLocalesTestValue();
+  });
 
   test('AuthTimelineNotifier는 초기 페이지를 로드한다', () async {
     final cursors = <String?>[];
@@ -103,7 +114,13 @@ void main() {
 
     final state = container.read(authTimelineProvider);
     expect(state.items.isEmpty, true);
-    expect(state.error, '접속이력을 불러오지 못했습니다.');
+    expect(
+      state.error,
+      tr(
+        'msg.userfront.dashboard.timeline.load_error',
+        fallback: '접속이력을 불러오지 못했습니다.',
+      ),
+    );
     container.dispose();
   });
 }

userfront/test/error_screen_test.dart

@@ -1,6 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:userfront/core/constants/error_whitelist.dart';
 import 'package:userfront/features/auth/presentation/error_screen.dart';
+import 'package:userfront/i18n.dart';
 
 Future<void> _pumpErrorScreen(
   WidgetTester tester, {
@@ -21,6 +23,19 @@ Future<void> _pumpErrorScreen(
 }
 
 void main() {
+  setUpAll(() {
+    TestWidgetsFlutterBinding.ensureInitialized();
+    final dispatcher = TestWidgetsFlutterBinding.instance.platformDispatcher;
+    dispatcher.localeTestValue = const Locale('ko');
+    dispatcher.localesTestValue = const [Locale('ko')];
+  });
+
+  tearDownAll(() {
+    final dispatcher = TestWidgetsFlutterBinding.instance.platformDispatcher;
+    dispatcher.clearLocaleTestValue();
+    dispatcher.clearLocalesTestValue();
+  });
+
   testWidgets('개발환경은 원문 메시지를 노출한다', (WidgetTester tester) async {
     await _pumpErrorScreen(
       tester,
@@ -29,9 +44,20 @@ void main() {
       isProdOverride: false,
     );
 
-    expect(find.text('오류: custom_error'), findsOneWidget);
+    final title = tr(
+      'msg.userfront.error.title_with_code',
+      fallback: '오류: {{code}}',
+      params: {'code': 'custom_error'},
+    );
+    final type = tr(
+      'msg.userfront.error.type',
+      fallback: '오류 종류: {{type}}',
+      params: {'type': 'custom_error'},
+    );
+
+    expect(find.text(title), findsOneWidget);
     expect(find.text('원문 메시지'), findsOneWidget);
-    expect(find.text('오류 종류: custom_error'), findsOneWidget);
+    expect(find.text(type), findsOneWidget);
   });
 
   testWidgets('프로덕션은 whitelist 메시지를 노출한다', (WidgetTester tester) async {
@@ -42,10 +68,24 @@ void main() {
       isProdOverride: true,
     );
 
-    expect(find.text('인증 과정에서 오류가 발생했습니다'), findsOneWidget);
-    expect(find.text('현재 계정 설정 화면은 준비 중입니다.'), findsOneWidget);
+    final title = tr(
+      'msg.userfront.error.title',
+      fallback: '인증 과정에서 오류가 발생했습니다',
+    );
+    final detail = tr(
+      'msg.userfront.error.whitelist.settings_disabled',
+      fallback: errorWhitelistMessages['settings_disabled']!,
+    );
+    final type = tr(
+      'msg.userfront.error.type',
+      fallback: '오류 종류: {{type}}',
+      params: {'type': 'settings_disabled'},
+    );
+
+    expect(find.text(title), findsOneWidget);
+    expect(find.text(detail), findsOneWidget);
     expect(find.text('원문 메시지'), findsNothing);
-    expect(find.text('오류 종류: settings_disabled'), findsOneWidget);
+    expect(find.text(type), findsOneWidget);
   });
 
   testWidgets('프로덕션은 비허용 에러를 unknown_error로 처리한다', (WidgetTester tester) async {
@@ -56,9 +96,23 @@ void main() {
       isProdOverride: true,
     );
 
-    expect(find.text('인증 과정에서 오류가 발생했습니다'), findsOneWidget);
-    expect(find.text('에러가 계속되면 관리자에게 문의해주세요'), findsOneWidget);
+    final title = tr(
+      'msg.userfront.error.title',
+      fallback: '인증 과정에서 오류가 발생했습니다',
+    );
+    final detail = tr(
+      'msg.userfront.error.detail_contact',
+      fallback: '에러가 계속되면 관리자에게 문의해주세요',
+    );
+    final type = tr(
+      'msg.userfront.error.type',
+      fallback: '오류 종류: {{type}}',
+      params: {'type': 'unknown_error'},
+    );
+
+    expect(find.text(title), findsOneWidget);
+    expect(find.text(detail), findsOneWidget);
     expect(find.text('원문 메시지'), findsNothing);
-    expect(find.text('오류 종류: unknown_error'), findsOneWidget);
+    expect(find.text(type), findsOneWidget);
   });
 }