feat(nutrition): 添加营养数据保存功能到HealthKit，包括蛋白质、脂肪和碳水化合物

app/_layout.tsx

@@ -9,7 +9,6 @@ import 'react-native-reanimated';
 import PrivacyConsentModal from '@/components/PrivacyConsentModal';
 import { useAppDispatch, useAppSelector } from '@/hooks/redux';
 import { useQuickActions } from '@/hooks/useQuickActions';
-import { clearAiCoachSessionCache } from '@/services/aiCoachSession';
 import { hrvMonitorService } from '@/services/hrvMonitor';
 import { notificationService } from '@/services/notifications';
 import { setupQuickActions } from '@/services/quickActions';
@@ -137,10 +136,6 @@ function Bootstrapper({ children }: { children: React.ReactNode }) {
         await setupQuickActions();
         logger.info('✅ 快捷动作初始化完成');
 
-        // 4. 清空 AI 教练会话缓存（轻量操作）
-        clearAiCoachSessionCache();
-        logger.info('✅ AI 教练缓存清理完成');
-
         // 5. 初始化喝水记录 Bridge
         initializeWaterRecordBridge();
         logger.info('✅ 喝水记录 Bridge 初始化完成');