feat(flutter): 应用克莱因蓝主题与印尼语适配

test/config/locale_controller_test.dart

@@ -32,18 +32,42 @@ void main() {
     expect(reopened.locale, const Locale('zh'));
   });
 
-  test('should_clear_stored_chinese_preference_when_english_is_selected', () async {
-    await LocaleController().select('zh');
+  test('should_restore_indonesian_when_selected_and_app_restarts', () async {
+    final first = LocaleController();
+    await first.select('id');
+    expect(first.locale, const Locale('id'));
 
     final reopened = LocaleController();
     await reopened.load();
-    await reopened.select('en');
-
-    final third = LocaleController();
-    await third.load();
-    expect(third.locale, const Locale('en'));
+    expect(reopened.locale, const Locale('id'));
   });
 
+  test('should_fallback_to_indonesian_when_system_language_is_unsupported', () {
+    expect(resolveAppLocale(null, const Locale('en')), const Locale('en'));
+    expect(resolveAppLocale(null, const Locale('id')), const Locale('id'));
+    expect(resolveAppLocale(null, const Locale('fr')), const Locale('id'));
+    expect(resolveAppLocale(null, const Locale('in')), const Locale('id'));
+    expect(
+      resolveAppLocale(const Locale('zh'), const Locale('fr')),
+      const Locale('zh'),
+    );
+  });
+
+  test(
+    'should_clear_stored_chinese_preference_when_english_is_selected',
+    () async {
+      await LocaleController().select('zh');
+
+      final reopened = LocaleController();
+      await reopened.load();
+      await reopened.select('en');
+
+      final third = LocaleController();
+      await third.load();
+      expect(third.locale, const Locale('en'));
+    },
+  );
+
   test('should_clear_locale_when_code_is_unsupported', () async {
     final controller = LocaleController();
     await controller.select('zh');
@@ -54,25 +78,31 @@ void main() {
     expect(controller.locale, isNull);
   });
 
-  test('should_resolve_to_device_locale_when_stored_code_is_unsupported', () async {
-    await SharedPreferencesAsync().setString('ui.locale', 'fr');
+  test(
+    'should_resolve_to_device_locale_when_stored_code_is_unsupported',
+    () async {
+      await SharedPreferencesAsync().setString('ui.locale', 'fr');
 
-    final controller = LocaleController();
-    await controller.load();
+      final controller = LocaleController();
+      await controller.load();
 
-    expect(controller.locale, isNull);
-  });
+      expect(controller.locale, isNull);
+    },
+  );
 
-  test('should_survive_load_and_select_when_preference_store_is_broken', () async {
-    SharedPreferencesAsyncPlatform.instance = _BrokenPreferences();
-    final controller = LocaleController();
+  test(
+    'should_survive_load_and_select_when_preference_store_is_broken',
+    () async {
+      SharedPreferencesAsyncPlatform.instance = _BrokenPreferences();
+      final controller = LocaleController();
 
-    await controller.load();
-    expect(controller.locale, isNull);
+      await controller.load();
+      expect(controller.locale, isNull);
 
-    await controller.select('zh');
-    expect(controller.locale, const Locale('zh'));
-  });
+      await controller.select('zh');
+      expect(controller.locale, const Locale('zh'));
+    },
+  );
 }
 
 /// Stands in for a platform whose preference store is unavailable.