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

utils/healthKit.ts

@@ -43,6 +43,17 @@ export interface SleepDataResult {
   endDate: string;
 }
 
+export interface NutritionSaveOptions {
+  amount: number;      // Amount in grams
+  recordedAt?: string; // ISO8601 format, defaults to now
+}
+
+export interface NutritionSaveResult {
+  success: boolean;
+  amount: number;
+  recordedAt: string;
+}
+
 export interface HealthKitManagerInterface {
   /**
    * Request authorization to access HealthKit data
@@ -61,6 +72,24 @@ export interface HealthKitManagerInterface {
    * @param options Query options including date range and limit
    */
   getSleepData(options?: SleepDataOptions): Promise<SleepDataResult>;
+
+  /**
+   * Save protein intake to HealthKit
+   * @param options Nutrition save options including amount in grams and optional timestamp
+   */
+  saveProteinToHealthKit(options: NutritionSaveOptions): Promise<NutritionSaveResult>;
+
+  /**
+   * Save fat intake to HealthKit
+   * @param options Nutrition save options including amount in grams and optional timestamp
+   */
+  saveFatToHealthKit(options: NutritionSaveOptions): Promise<NutritionSaveResult>;
+
+  /**
+   * Save carbohydrates intake to HealthKit
+   * @param options Nutrition save options including amount in grams and optional timestamp
+   */
+  saveCarbohydratesToHealthKit(options: NutritionSaveOptions): Promise<NutritionSaveResult>;
 }
 
 // Native module interface