fix(mp): 五专家组审查 HIGH 级问题修复 — 9 项

- S-1: 隐私政策描述修正（"混淆加密" → "HTTPS + 微信沙箱"）
- A-1: getCachedPatientId 统一导出 + 9 处 Storage 直读替换
- A-2: usePageData loading 改为 useState 响应式
- A-3: health.ts refreshingToday 移入 store state
- M-2: prod config 移除 console.error/warn
- M-4: clearCache 后同步刷新 request.ts 内存缓存
- Q-3: doctor/appointment.ts any[] → Appointment 类型
- Q-4: daily-monitoring 常量提取到 constants.ts
- 清理: 删除空目录 FamilyPicker/HealthCard + 未使用组件 DeviceCard

apps/miniprogram/src/services/medication-reminder.ts

@@ -1,5 +1,4 @@
-import Taro from '@tarojs/taro';
-import { api } from './request';
+import { api, getCachedPatientId } from './request';
 
 export interface MedicationReminder {
   id: string;
@@ -42,7 +41,7 @@ export interface UpdateReminderReq {
 }
 
 function getPatientId(): string {
-  return Taro.getStorageSync('current_patient_id') || '';
+  return getCachedPatientId();
 }
 
 export async function listReminders() {