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/pkg-mall/detail/index.tsx

@@ -6,6 +6,7 @@ import type { PointsTransaction } from '../../../services/points';
 import { usePointsStore } from '../../../stores/points';
 import EmptyState from '../../../components/EmptyState';
 import Loading from '../../../components/Loading';
+import { useElderClass } from '../../../hooks/useElderClass';
 import './index.scss';
 
 const TYPE_TABS = [
@@ -15,6 +16,7 @@ const TYPE_TABS = [
 ];
 
 export default function PointsDetail() {
+  const modeClass = useElderClass();
   const { account, refresh: refreshPoints } = usePointsStore();
   const [transactions, setTransactions] = useState<PointsTransaction[]>([]);
   const [activeTab, setActiveTab] = useState('');
@@ -112,7 +114,7 @@ export default function PointsDetail() {
   const balance = account?.balance ?? 0;
 
   return (
-    <View className='detail-page'>
+    <View className={`detail-page ${modeClass}`}>
       {/* 余额卡片 */}
       <View className='balance-card'>
         <Text className='balance-label'>当前积分</Text>