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/doctor/prescription/create/index.tsx

@@ -3,6 +3,7 @@ import { View, Text, Input, Textarea, Picker, ScrollView } from '@tarojs/compone
 import Taro, { useRouter } from '@tarojs/taro';
 import * as doctorApi from '@/services/doctor';
 import Loading from '@/components/Loading';
+import { useElderClass } from '../../../../hooks/useElderClass';
 import './index.scss';
 
 interface FormState {
@@ -50,6 +51,7 @@ const initialForm: FormState = {
 export default function PrescriptionCreate() {
   const router = useRouter();
   const patientId = router.params.patientId || '';
+  const modeClass = useElderClass();
   const [form, setForm] = useState<FormState>(initialForm);
   const [submitting, setSubmitting] = useState(false);
 
@@ -114,7 +116,7 @@ export default function PrescriptionCreate() {
   );
 
   return (
-    <ScrollView scrollY className='create-page'>
+    <ScrollView scrollY className={`create-page ${modeClass}`}>
       {/* 透析器 */}
       <View className='section'>
         <Text className='section-title'>透析器</Text>