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/orders/index.tsx

@@ -5,6 +5,7 @@ import { listMyOrders } from '../../../services/points';
 import type { PointsOrder } from '../../../services/points';
 import EmptyState from '../../../components/EmptyState';
 import Loading from '../../../components/Loading';
+import { useElderClass } from '../../../hooks/useElderClass';
 import './index.scss';
 
 const STATUS_TABS = [
@@ -22,6 +23,7 @@ const STATUS_CONFIG: Record<string, { label: string; tagBg: string; tagColor: st
 };
 
 export default function MallOrders() {
+  const modeClass = useElderClass();
   const [orders, setOrders] = useState<PointsOrder[]>([]);
   const [activeTab, setActiveTab] = useState('');
   const [page, setPage] = useState(1);
@@ -110,7 +112,7 @@ export default function MallOrders() {
   };
 
   return (
-    <View className='orders-page'>
+    <View className={`orders-page ${modeClass}`}>
       {/* 状态筛选标签 */}
       <View className='status-tabs'>
         {STATUS_TABS.map((tab) => (