feat(ui):本地推送国际化

@@ -19,56 +19,7 @@ class DoubleFeelApp extends StatelessWidget {
       getPages: AppPages.routes,
       localizationsDelegates: AppLocalizations.localizationsDelegates,
       supportedLocales: AppLocalizations.supportedLocales,
-      localeResolutionCallback: (deviceLocale, supportedLocales) {
-        if (deviceLocale == null) return const Locale('en');
-
-        // 1. 完全精确匹配 (Language + Country + Script)
-        for (final locale in supportedLocales) {
-          if (locale == deviceLocale) {
-            return locale;
-          }
-        }
-
-        // 2. 繁简中文专门推导 (区分 zh_Hans 与 zh_Hant)
-        if (deviceLocale.languageCode == 'zh') {
-          final script = deviceLocale.scriptCode?.toLowerCase();
-          final country = deviceLocale.countryCode?.toUpperCase();
-          final isHant = script == 'hant' ||
-              country == 'TW' ||
-              country == 'HK' ||
-              country == 'MO';
-
-          return supportedLocales.firstWhere(
-            (l) =>
-                l.languageCode == 'zh' &&
-                l.scriptCode == (isHant ? 'Hant' : 'Hans'),
-            orElse: () => Locale.fromSubtags(
-              languageCode: 'zh',
-              scriptCode: isHant ? 'Hant' : 'Hans',
-            ),
-          );
-        }
-
-        // 3. 国家/地区匹配 (如 pt_PT、pt_BR)
-        if (deviceLocale.countryCode != null) {
-          for (final locale in supportedLocales) {
-            if (locale.languageCode == deviceLocale.languageCode &&
-                locale.countryCode == deviceLocale.countryCode) {
-              return locale;
-            }
-          }
-        }
-
-        // 4. 仅语言代码匹配 (如 es_MX 匹配 es)
-        for (final locale in supportedLocales) {
-          if (locale.languageCode == deviceLocale.languageCode) {
-            return locale;
-          }
-        }
-
-        // 5. 兜底语言返回英文
-        return const Locale('en');
-      },
+      localeResolutionCallback: resolveAppLocale,
     );
   }
 }

@@ -10,7 +10,10 @@ import 'package:get/get.dart';
 
 import '../../../../core/logging/app_logger.dart';
 import '../../../../core/services/raw_data_service/health_raw_data_core_service.dart';
+import '../../../../core/services/raw_data_service/health_raw_models.dart';
+import '../../../../core/services/raw_data_service/platform_ios/apple_health_raw_local_notification.dart';
 import '../../../../data/local/user_preferences_storage.dart';
+import '../../../../l10n/l10n_extensions.dart';
 import '../../../../pigeon/platform_api.g.dart';
 import '../../../routes/app_pages.dart';
 
@@ -33,6 +36,7 @@ enum DeveloperOptionsAction {
   shareFlutterObserverRecord,
   shareUploadTaskRecord,
   shareLocalNotificationDebugRecord,
+  sendTestHrvLocalNotification,
   clearHealthRawDataDatabaseAndUploadLog,
   globalEnv,
 }
@@ -86,6 +90,10 @@ class DeveloperOptionsController extends GetxController {
       action: DeveloperOptionsAction.shareLocalNotificationDebugRecord,
     ),
     DeveloperOptionsItem(
+      title: '测试本地推送 HRV',
+      action: DeveloperOptionsAction.sendTestHrvLocalNotification,
+    ),
+    DeveloperOptionsItem(
       title: '清除本地数据库、上传日志',
       action: DeveloperOptionsAction.clearHealthRawDataDatabaseAndUploadLog,
     ),
@@ -127,6 +135,9 @@ class DeveloperOptionsController extends GetxController {
       case DeveloperOptionsAction.shareLocalNotificationDebugRecord:
         await shareLocalNotificationDebugRecord();
         break;
+      case DeveloperOptionsAction.sendTestHrvLocalNotification:
+        await sendTestHrvLocalNotification();
+        break;
       case DeveloperOptionsAction.clearHealthRawDataDatabaseAndUploadLog:
         await clearHealthRawDataDatabaseAndUploadLog();
         break;
@@ -159,7 +170,9 @@ class DeveloperOptionsController extends GetxController {
               });
               Get.offAllNamed(AppRoutes.login);
             }
-          } catch (e) {}
+          } catch (error, stackTrace) {
+            AppLogger.e('Set global env failed', error, stackTrace);
+          }
         }
         break;
       case null:
@@ -244,6 +257,65 @@ class DeveloperOptionsController extends GetxController {
     }
   }
 
+  Future<void> sendTestHrvLocalNotification() async {
+    try {
+      final now = DateTime.now().millisecondsSinceEpoch ~/ 1000;
+      final notifications = HealthRawLocalNotificationBuilder(l10n).build(
+        result: HealthRawStressCalculationResult(
+          userId: _userPreferencesStorage.preferences.value.meUserInfo?.id ?? 0,
+          hrvStressPoints: [
+            HealthRawHrvStressPoint(
+              userId:
+                  _userPreferencesStorage.preferences.value.meUserInfo?.id ?? 0,
+              rawEndTime: now,
+              rawHrv: 35,
+              result: 32,
+              sourceStartTime: now,
+              sourceEndTime: now,
+              state: HealthRawStressState.excellent,
+              baselineHrv: 30,
+              baselineAwakeHrv: 30,
+              baselineSleepHrv: null,
+              baselineRestingHr: 60,
+            ),
+          ],
+          realtimeStressPoints: const [],
+          dailyStressPoints: const [],
+          sleepResults: const [],
+        ),
+        hasExistingHrv: true,
+        hasExistingSleep: false,
+        realtimeWindow: const [],
+        record: const HealthRawLocalNotificationRecord(),
+      );
+      final notification = notifications.firstWhereOrNull(
+        (item) => item.recordType == HealthRawLocalNotificationRecordType.hrv,
+      );
+      if (notification == null) {
+        Get.snackbar('Send failed', 'No HRV notification was built');
+        return;
+      }
+
+      final userId =
+          _userPreferencesStorage.preferences.value.meUserInfo?.id ?? 0;
+      final sent = await HealthRawLocalNotificationDispatcher().sendOne(
+        userId: userId,
+        notification: notification,
+      );
+      Get.snackbar(
+        sent ? '已触发 HRV 本地推送' : 'HRV 本地推送发送失败',
+        '${notification.title}\n${notification.content}',
+      );
+    } catch (error, stackTrace) {
+      AppLogger.e(
+        'Send test HRV local notification failed',
+        error,
+        stackTrace,
+      );
+      Get.snackbar('Send failed', error.toString());
+    }
+  }
+
   Future<void> clearHealthRawDataDatabaseAndUploadLog() async {
     try {
       await _healthRawDataCoreService.clearLocalDatabaseAndUploadLog();

@@ -27,9 +27,10 @@ class WatchFacePreview extends StatelessWidget {
   final Function()? switchFriend;
 
   String _backgroundAsset(BuildContext context) {
-    final isChinese = Localizations.localeOf(context).languageCode == 'zh';
-    final directory =
-        isChinese ? 'assets/images/watch_theme/zh' : 'assets/images/watch_theme';
+    final isChinese = context.l10n.localeName.startsWith('zh');
+    final directory = isChinese
+        ? 'assets/images/watch_theme/zh'
+        : 'assets/images/watch_theme';
 
     if (type == WatchFacePreviewType.surface) {
       return '$directory/watch_theme_preview_surface.png';

+import 'package:flutter/widgets.dart';
+
+Locale resolveAppLocale(
+    Locale? deviceLocale, Iterable<Locale> supportedLocales) {
+  if (deviceLocale == null) return const Locale('en');
+
+  for (final locale in supportedLocales) {
+    if (locale == deviceLocale) {
+      return locale;
+    }
+  }
+
+  if (deviceLocale.languageCode == 'zh') {
+    final script = deviceLocale.scriptCode?.toLowerCase();
+    final country = deviceLocale.countryCode?.toUpperCase();
+    final isHant = script == 'hant' ||
+        country == 'TW' ||
+        country == 'HK' ||
+        country == 'MO';
+
+    return supportedLocales.firstWhere(
+      (locale) =>
+          locale.languageCode == 'zh' &&
+          locale.scriptCode == (isHant ? 'Hant' : 'Hans'),
+      orElse: () => Locale.fromSubtags(
+        languageCode: 'zh',
+        scriptCode: isHant ? 'Hant' : 'Hans',
+      ),
+    );
+  }
+
+  if (deviceLocale.countryCode != null) {
+    for (final locale in supportedLocales) {
+      if (locale.languageCode == deviceLocale.languageCode &&
+          locale.countryCode == deviceLocale.countryCode) {
+        return locale;
+      }
+    }
+  }
+
+  for (final locale in supportedLocales) {
+    if (locale.languageCode == deviceLocale.languageCode) {
+      return locale;
+    }
+  }
+
+  return const Locale('en');
+}

+import 'dart:ui' show PlatformDispatcher;
+
 import 'package:flutter/widgets.dart';
 import 'package:get/get.dart';
 
+import 'app_locale_resolution.dart';
 import 'gen/app_localizations.dart';
-import 'gen/app_localizations_zh.dart';
 
+export 'app_locale_resolution.dart';
 export 'gen/app_localizations.dart';
 
 /// 在 Widget build() 中通过 context 访问：context.l10n.appName
 extension AppLocalizationsX on BuildContext {
   AppLocalizations get l10n =>
-      AppLocalizations.of(this) ?? AppLocalizationsZh();
+      AppLocalizations.of(this) ?? currentAppLocalizations();
 }
 
 /// 在 Controller / 无 context 场景中全局访问：l10n.appName
 AppLocalizations get l10n {
   final context = _safeGetContext();
   final localizations = context != null ? AppLocalizations.of(context) : null;
-  return localizations ?? AppLocalizationsZh();
+  return localizations ?? currentAppLocalizations();
+}
+
+AppLocalizations currentAppLocalizations() {
+  final locale = resolveAppLocale(
+    Get.locale ?? PlatformDispatcher.instance.locale,
+    AppLocalizations.supportedLocales,
+  );
+  return lookupAppLocalizations(locale);
 }
 
 BuildContext? _safeGetContext() {

@@ -2,6 +2,7 @@ import 'dart:io';
 
 import 'package:doublefeel_flutter/core/services/raw_data_service/health_raw_models.dart';
 import 'package:doublefeel_flutter/core/services/raw_data_service/platform_ios/apple_health_raw_local_notification.dart';
+import 'package:doublefeel_flutter/l10n/gen/app_localizations_en.dart';
 import 'package:doublefeel_flutter/l10n/gen/app_localizations_zh.dart';
 import 'package:flutter_test/flutter_test.dart';
 
@@ -180,6 +181,33 @@ void main() {
         HealthRawStressState.attention.value);
   });
 
+  test('builds realtime stress notification with supplied localizations', () {
+    final englishBuilder =
+        HealthRawLocalNotificationBuilder(AppLocalizationsEn());
+    final base = _seconds(DateTime(2026, 1, 1, 9));
+    final notifications = englishBuilder.build(
+      result: HealthRawStressCalculationResult(
+        userId: 1,
+        hrvStressPoints: const [],
+        realtimeStressPoints: [_realtimePoint(base + 9 * 300, 70)],
+        dailyStressPoints: const [],
+      ),
+      hasExistingHrv: false,
+      hasExistingSleep: false,
+      realtimeWindow: [
+        for (var i = 0; i < 10; i++) _realtimePoint(base + i * 300, 70),
+      ],
+      record: const HealthRawLocalNotificationRecord(),
+    );
+
+    expect(notifications, hasLength(1));
+    expect(notifications.single.title, 'Pay Attention · 08:45-09:45');
+    expect(
+      notifications.single.content,
+      'Your stress was elevated over the past 60 minutes. Consider relaxing and making time for rest and recovery. Elevated stress during workouts is normal.',
+    );
+  });
+
   test('skips realtime stress notification during likely sleep', () {
     final base = _seconds(DateTime(2026, 1, 1, 9));
     final notifications = builder.build(