fix(today)：HRV趋势为空时其他不展示

@@ -485,30 +485,44 @@ class TodayController extends GetMaterialController {
         v2HealthData.value = null;
     }
 
-    switch (await _healthApi.getV2StressScore(friendUserId, intDate)) {
+    switch (await _healthApi.getV2HrvTrend(friendUserId, intDate)) {
       case AppSuccess(:final data):
-        v2StressScore.value = data;
+        hrvChartData.assignAll(data.list ?? []);
       case AppFailure():
-        v2StressScore.value = null;
+        hrvChartData.clear();
     }
 
     switch (await _healthApi.getV2LatestHrv(friendUserId, intDate)) {
       case AppSuccess(:final data):
-        v2LatestHrv.value = data;
+        if (hrvChartData.isNotEmpty) {
+          v2LatestHrv.value = data;
+        } else {
+          v2LatestHrv.value = null;
+        }
       case AppFailure():
         v2LatestHrv.value = null;
     }
 
-    switch (await _healthApi.getV2HrvTrend(friendUserId, intDate)) {
+    switch (await _healthApi.getV2StressScore(friendUserId, intDate)) {
       case AppSuccess(:final data):
-        hrvChartData.assignAll(data.list ?? []);
+        {
+          if (hrvChartData.isNotEmpty) {
+            v2StressScore.value = data;
+          } else {
+            v2StressScore.value = V2StressScore(state: 0);
+          }
+        }
       case AppFailure():
-        hrvChartData.clear();
+        v2StressScore.value = null;
     }
 
     switch (await _healthApi.getV2RealtimeStress(friendUserId, intDate)) {
       case AppSuccess(:final data):
-        stressChartData.assignAll(data.list ?? []);
+        if (hrvChartData.isNotEmpty) {
+          stressChartData.assignAll(data.list ?? []);
+        } else {
+          stressChartData.clear();
+        }
       case AppFailure():
         stressChartData.clear();
     }

@@ -105,7 +105,7 @@
   "phoneLoginCodeSentSuccess": "Code sent",
   "phoneLoginInvalidCode": "Invalid verification code",
   "todayHealthDataAuthTitle": "Syncing Health Data",
-  "todayHealthDataAuthDescription": "DoubleFeel needs access to your Apple Health data to provide stress insights, real-time stress tracking, and health recommendations.\nIf you haven’t granted access, please allow permissions below. If you have already granted access, syncing your health data may take a few minutes. Please try again later.",
+  "todayHealthDataAuthDescription": "DoubleFeel needs access to your Apple Health data to provide stress analysis, sleep insights, and health reminders. Please complete health data authorization. If already authorized, the first sync may take a few minutes.\nIf your Apple Watch hasn't been worn long enough, there may not be sufficient data yet. Please continue wearing your watch to complete data collection.",
   "todayHealthDataAuthAction": "Allow Health Access",
   "measureYourHrvNow": "How to take a measurement",
   "todayBottomSheetGotIt": "Got it",

@@ -182,7 +182,7 @@
   "@todayHealthDataAuthTitle": {
     "description": "今日页健康数据授权卡片标题"
   },
-  "todayHealthDataAuthDescription": "DoubleFeel 需要访问你的 Apple 健康数据，以提供压力提醒、实时压力统计和健康建议。\n如果尚未授权，请点击下方完成授权；如果已经授权，首次同步大量健康数据可能需要等待几分钟，请稍后再试。",
+  "todayHealthDataAuthDescription": "DoubleFeel需要访问你的Apple健康数据，以提供压力、睡眠分析和健康提醒。请完成健康数据授权。若已授权，首次同步可能需要几分钟。\n如果Apple Watch佩戴时间不足，可能暂无足够数据，请继续佩戴手表以完成数据采集。",
   "@todayHealthDataAuthDescription": {
     "description": "今日页健康数据授权卡片说明"
   },

@@ -732,7 +732,7 @@ abstract class AppLocalizations {
   /// 今日页健康数据授权卡片说明
   ///
   /// In zh, this message translates to:
-  /// **'DoubleFeel 需要访问你的 Apple 健康数据，以提供压力提醒、实时压力统计和健康建议。\n如果尚未授权，请点击下方完成授权；如果已经授权，首次同步大量健康数据可能需要等待几分钟，请稍后再试。'**
+  /// **'DoubleFeel需要访问你的Apple健康数据，以提供压力、睡眠分析和健康提醒。请完成健康数据授权。若已授权，首次同步可能需要几分钟。\n如果Apple Watch佩戴时间不足，可能暂无足够数据，请继续佩戴手表以完成数据采集。'**
   String get todayHealthDataAuthDescription;
 
   /// 今日页健康数据授权卡片按钮文案

@@ -343,7 +343,7 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get todayHealthDataAuthDescription =>
-      'DoubleFeel needs access to your Apple Health data to provide stress insights, real-time stress tracking, and health recommendations.\nIf you haven’t granted access, please allow permissions below. If you have already granted access, syncing your health data may take a few minutes. Please try again later.';
+      'DoubleFeel needs access to your Apple Health data to provide stress analysis, sleep insights, and health reminders. Please complete health data authorization. If already authorized, the first sync may take a few minutes.\nIf your Apple Watch hasn\'t been worn long enough, there may not be sufficient data yet. Please continue wearing your watch to complete data collection.';
 
   @override
   String get todayHealthDataAuthAction => 'Allow Health Access';

@@ -334,7 +334,7 @@ class AppLocalizationsZh extends AppLocalizations {
 
   @override
   String get todayHealthDataAuthDescription =>
-      'DoubleFeel 需要访问你的 Apple 健康数据，以提供压力提醒、实时压力统计和健康建议。\n如果尚未授权，请点击下方完成授权；如果已经授权，首次同步大量健康数据可能需要等待几分钟，请稍后再试。';
+      'DoubleFeel需要访问你的Apple健康数据，以提供压力、睡眠分析和健康提醒。请完成健康数据授权。若已授权，首次同步可能需要几分钟。\n如果Apple Watch佩戴时间不足，可能暂无足够数据，请继续佩戴手表以完成数据采集。';
 
   @override
   String get todayHealthDataAuthAction => '授权访问健康数据';