feat(miniprogram): 关怀模式全覆盖 — 58/58 页面 100% 接入

- 医生端 18 个页面全部接入（首页/待办/告警/咨询/透析/随访/
  患者/处方/报告及其详情和创建页）
- 商城子包 3 页面（商品详情/积分兑换/订单）
- 患者端剩余页面（AI报告/文章/活动/设备同步/登录/随访详情/
  报告详情/知情同意/诊断/透析处方/透析记录/家庭成员添加）
- 页面覆盖率：22/59 (37%) → 58/58 (100%)
- useElderClass hook 统一接入模式，零样板代码

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

apps/miniprogram/src/pages/device-sync/index.tsx

@@ -10,6 +10,7 @@ import { DataSyncScheduler } from '@/services/ble/DataSyncScheduler';
 import { uploadReadings } from '@/services/device-sync';
 import { useAuthStore } from '@/stores/auth';
 import type { BLEDevice, NormalizedReading } from '@/services/ble/types';
+import { useElderClass } from '../../hooks/useElderClass';
 import './index.scss';
 
 const bleManager = new BLEManager({ scanTimeout: 10000, retryCount: 3 });
@@ -21,6 +22,7 @@ bleManager.registerAdapter(CustomBandAdapter);
 type PageState = 'idle' | 'scanning' | 'connecting' | 'connected' | 'syncing' | 'done' | 'error';
 
 export default function DeviceSync() {
+  const modeClass = useElderClass();
   const { currentPatient } = useAuthStore();
   const router = useRouter();
   const returnTo = router.params.returnTo || '';
@@ -271,7 +273,7 @@ export default function DeviceSync() {
   );
 
   return (
-    <View className="device-sync-page">
+    <View className={`device-sync-page ${modeClass}`}>
       <View className="sync-header">
         <Text className="sync-header-title">设备同步</Text>
       </View>