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');

app/food-library.tsx

@@ -10,6 +10,7 @@ import { addDietRecord, type CreateDietRecordDto } from '@/services/dietRecords'
 import { foodLibraryApi, type CreateCustomFoodDto } from '@/services/foodLibraryApi';
 import { fetchDailyNutritionData } from '@/store/nutritionSlice';
 import type { FoodItem, MealType, SelectedFoodItem } from '@/types/food';
+import { saveNutritionToHealthKit } from '@/utils/health';
 import { Ionicons } from '@expo/vector-icons';
 import { Image } from 'expo-image';
 import { useLocalSearchParams, useRouter } from 'expo-router';
@@ -178,7 +179,27 @@ export default function FoodLibraryScreen() {
           imageUrl: item.food.imageUrl,
         };
 
+        // 先保存到后端
         await addDietRecord(dietRecordData);
+
+        // 然后尝试同步到 HealthKit（非阻塞）
+        // 提取蛋白质、脂肪和碳水化合物数据
+        const { proteinGrams, fatGrams, carbohydrateGrams, mealTime } = dietRecordData;
+        
+        if (proteinGrams !== undefined || fatGrams !== undefined || carbohydrateGrams !== undefined) {
+          // 使用 catch 确保 HealthKit 同步失败不影响后端记录
+          saveNutritionToHealthKit(
+            {
+              proteinGrams: proteinGrams || undefined,
+              fatGrams: fatGrams || undefined,
+              carbohydrateGrams: carbohydrateGrams || undefined
+            },
+            mealTime
+          ).catch(error => {
+            // HealthKit 同步失败只记录日志，不影响用户体验
+            console.error('HealthKit 营养数据同步失败（不影响记录）:', error);
+          });
+        }
       }
 
       // 记录成功后，刷新当天的营养数据