fix(today)：自动更新今天，通知banner

@@ -104,8 +104,11 @@ class TodayController extends GetMaterialController {
   // ── HRV 表盘引导 Banner ───────────────────
   final showHrvAdBanner = false.obs;
   final showPartnerAdBanner = false.obs;
+  final showNotificationAuthorizationBanner = false.obs;
 
   void dismissHrvAdBanner() => showHrvAdBanner.value = false;
+  void dismissNotificationAuthorizationBanner() =>
+      showNotificationAuthorizationBanner.value = false;
 
   Future<void> dismissPartnerAdBanner() async {
     final userId =
@@ -160,6 +163,7 @@ class TodayController extends GetMaterialController {
     checkAddFriendVisible();
     checkHrvAdBannerVisible();
     checkHealthDataAuthCardVisible();
+    checkNotificationAuthorizationBannerVisible();
     checkNotificationCardVisible();
     if (!Get.find<UserStateService>().isVip) {
       getProductList();
@@ -196,6 +200,24 @@ class TodayController extends GetMaterialController {
     }
   }
 
+  Future<void> checkNotificationAuthorizationBannerVisible() async {
+    if (isFriend) {
+      showNotificationAuthorizationBanner.value = false;
+    } else {
+      try {
+        Permission.notification.status.then((status) {
+          if (status.isGranted) {
+            showNotificationAuthorizationBanner.value = false;
+          } else {
+            showNotificationAuthorizationBanner.value = true;
+          }
+        });
+      } on Exception catch (e) {
+        AppLogger.e(e);
+      }
+    }
+  }
+
   void checkAddFriendVisible() {
     if (isFriend) {
       showPartnerAdBanner.value = false;
@@ -504,6 +526,7 @@ class TodayController extends GetMaterialController {
     hrvAnnotations.clear();
 
     v2HealthData.value = null;
+    v2ActivityTarget.value = null;
     // v2StressScore.value = null;
   }
 
@@ -697,12 +720,13 @@ class TodayController extends GetMaterialController {
     super.didChangeAppLifecycleState(state);
 
     if (state == AppLifecycleState.resumed) {
-      // var today = DateUtils.dateOnly(DateTime.now());
-      // lastSelectableDay.value = today;
-      // changeDate(today);
+      var today = DateUtils.dateOnly(DateTime.now());
+      lastSelectableDay.value = today;
+      changeDate(today);
       checkAddFriendVisible();
       checkHrvAdBannerVisible();
       checkHealthDataAuthCardVisible();
+      checkNotificationAuthorizationBannerVisible();
       _performHealthDataUpload();
       // _startCoreCaculate();
       // unawaited(loadDataForDate(selectedDate.value));
@@ -720,7 +744,33 @@ class TodayController extends GetMaterialController {
     checkAddFriendVisible();
     checkHrvAdBannerVisible();
     checkHealthDataAuthCardVisible(isPullToRefresh: isPullToRefresh);
+    checkNotificationAuthorizationBannerVisible();
     _performHealthDataUpload();
     // await loadDataForDate(selectedDate.value);
   }
+
+  Future<void> requestNotificationAuthorization() async {
+    try {
+      final status = await Permission.notification.status;
+
+      if (status.isGranted) {
+        // 已授权，无需再请求
+        return;
+      }
+
+      if (status.isPermanentlyDenied) {
+        // 用户永久拒绝（Android），引导去设置
+        await openAppSettings();
+        return;
+      }
+
+      // 未决定 → 弹出系统授权弹窗
+      final result = await Permission.notification.request();
+      AppLogger.d(result.isGranted
+          ? 'Notification authorization granted'
+          : 'Notification authorization skipped');
+    } catch (error) {
+      AppLogger.e('Notification authorization failed: $error');
+    }
+  }
 }

@@ -55,6 +55,54 @@ class TodayHrvAdBanner extends StatelessWidget {
   }
 }
 
+class TodayNotificationAuthorizationBanner extends StatelessWidget {
+  const TodayNotificationAuthorizationBanner({
+    super.key,
+    required this.controller,
+    this.showMargin = true,
+  });
+
+  final TodayController controller;
+  final bool showMargin;
+
+  @override
+  Widget build(BuildContext context) {
+    return Obx(() {
+      if (!controller.showHrvAdBanner.value) return const SizedBox.shrink();
+
+      return GestureDetector(
+        onTap: () async {
+          ta.track('click_doublefeel_today_status',
+              properties: {'ita': '点击开启通知权限'});
+          await controller.requestNotificationAuthorization();
+          controller.checkNotificationAuthorizationBannerVisible();
+        },
+        child: _TodayGuideBanner(
+          title: context.l10n.turnOnNotifications,
+          subtitle:
+              context.l10n.stayUpToDateOnChangesInYourOwnAndYourFriendsHealth,
+          right: Container(
+            padding: const EdgeInsets.all(4),
+            decoration: const BoxDecoration(
+              color: Colors.white,
+              shape: BoxShape.circle,
+            ),
+            child: Image.asset(
+              'assets/images/common/ic_arrow_forward.png',
+              width: 20,
+              height: 20,
+              color: context.colors.primary,
+            ),
+          ),
+          leftImagePath: 'assets/images/today/ic_banner_notify_permission.png',
+          onClose: controller.dismissHrvAdBanner,
+          showMargin: showMargin,
+        ),
+      );
+    });
+  }
+}
+
 class TodayPartnerAdBanner extends StatelessWidget {
   const TodayPartnerAdBanner({
     super.key,
@@ -213,6 +261,8 @@ class TodayAdCarousel extends StatelessWidget {
   Widget build(BuildContext context) {
     return Obx(() {
       final showHrv = controller.showHrvAdBanner.value;
+      final showNotificationAuthorization =
+          controller.showNotificationAuthorizationBanner.value;
       final showPartner = controller.showPartnerAdBanner.value &&
           !controller.userStateService.isBound;
 
@@ -225,6 +275,14 @@ class TodayAdCarousel extends StatelessWidget {
           ),
         );
       }
+      if (showNotificationAuthorization) {
+        activeBanners.add(
+          TodayNotificationAuthorizationBanner(
+            controller: controller,
+            showMargin: false,
+          ),
+        );
+      }
       if (showPartner) {
         activeBanners.add(
           TodayPartnerAdBanner(

@@ -201,7 +201,7 @@ class V2StressScore {
 
   factory V2StressScore.fromJson(Map<String, dynamic> json) {
     return V2StressScore(
-      state: _parseInt(json['state']),
+      state: _parseInt(json['state']) ?? 0,
       hrvScore: _parseInt(json['hrv_score']),
       hrScore: _parseInt(json['hr_score']),
       latestHr: _parseInt(json['latest_hr']),

@@ -710,5 +710,7 @@
   "latestHrvTipAttentionAboveBaseline": "Your HRV is on the low side. Consider relaxing, keeping regular rest, and paying attention to nutrition and recovery.",
   "latestHrvTipAttentionBelowBaseline": "Your HRV is clearly below your usual level. Recent stress may be elevated, so try to rest and adjust your state.",
   "latestHrvTipOverloadAboveBaseline": "Your HRV is at a relatively low level. Your body may be under higher stress. If this is after exercise, a lower HRV can be normal. Rest and recover in time.",
-  "latestHrvTipOverloadBelowBaseline": "Your HRV is clearly below your usual level. Your body may be under high stress. If this is after exercise, a lower HRV can be normal. Reduce exertion, rest in time, and support sleep recovery."
-}
+  "latestHrvTipOverloadBelowBaseline": "Your HRV is clearly below your usual level. Your body may be under high stress. If this is after exercise, a lower HRV can be normal. Reduce exertion, rest in time, and support sleep recovery.",
+  "turnOnNotifications": "Turn on Notifications",
+  "stayUpToDateOnChangesInYourOwnAndYourFriendsHealth": "Stay up to date on changes in your own and your friends' health"
+}
\ No newline at end of file

@@ -1103,5 +1103,7 @@
   "latestHrvTipAttentionAboveBaseline": "你的 HRV 偏低，建议适当放松、规律休息，并注意饮食与恢复。",
   "latestHrvTipAttentionBelowBaseline": "你的 HRV 明显低于日常水平，近期可能压力偏高，建议尽量休息与调整状态。",
   "latestHrvTipOverloadAboveBaseline": "你的 HRV 处于较低水平，身体可能正在承受较高压力（刚运动完 HRV 降低则属于正常情况），建议及时休息与恢复。",
-  "latestHrvTipOverloadBelowBaseline": "你的 HRV 明显低于平时水平，身体可能处于高压力状态（刚运动完 HRV 降低则属于正常情况），建议减少消耗、及时休息，并保证睡眠恢复。"
-}
+  "latestHrvTipOverloadBelowBaseline": "你的 HRV 明显低于平时水平，身体可能处于高压力状态（刚运动完 HRV 降低则属于正常情况），建议减少消耗、及时休息，并保证睡眠恢复。",
+  "turnOnNotifications": "开启通知",
+  "stayUpToDateOnChangesInYourOwnAndYourFriendsHealth": "及时了解自己和好友的健康波动"
+}
\ No newline at end of file

@@ -4082,6 +4082,18 @@ abstract class AppLocalizations {
   /// In zh, this message translates to:
   /// **'你的 HRV 明显低于平时水平，身体可能处于高压力状态（刚运动完 HRV 降低则属于正常情况），建议减少消耗、及时休息，并保证睡眠恢复。'**
   String get latestHrvTipOverloadBelowBaseline;
+
+  /// No description provided for @turnOnNotifications.
+  ///
+  /// In zh, this message translates to:
+  /// **'开启通知'**
+  String get turnOnNotifications;
+
+  /// No description provided for @stayUpToDateOnChangesInYourOwnAndYourFriendsHealth.
+  ///
+  /// In zh, this message translates to:
+  /// **'及时了解自己和好友的健康波动'**
+  String get stayUpToDateOnChangesInYourOwnAndYourFriendsHealth;
 }
 
 class _AppLocalizationsDelegate

@@ -2288,4 +2288,11 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get latestHrvTipOverloadBelowBaseline =>
       'Your HRV is clearly below your usual level. Your body may be under high stress. If this is after exercise, a lower HRV can be normal. Reduce exertion, rest in time, and support sleep recovery.';
+
+  @override
+  String get turnOnNotifications => 'Turn on Notifications';
+
+  @override
+  String get stayUpToDateOnChangesInYourOwnAndYourFriendsHealth =>
+      'Stay up to date on changes in your own and your friends\' health';
 }

@@ -2184,4 +2184,11 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get latestHrvTipOverloadBelowBaseline =>
       '你的 HRV 明显低于平时水平，身体可能处于高压力状态（刚运动完 HRV 降低则属于正常情况），建议减少消耗、及时休息，并保证睡眠恢复。';
+
+  @override
+  String get turnOnNotifications => '开启通知';
+
+  @override
+  String get stayUpToDateOnChangesInYourOwnAndYourFriendsHealth =>
+      '及时了解自己和好友的健康波动';
 }