feat(web): 药物记录 Web UI — Phase 2a-3

新增药物记录管理前端页面，接入后端 4 条孤立路由：
- API 模块: medicationRecords.ts（CRUD + 频次/途径常量）
- 列表页: MedicationRecordList.tsx（患者 ID 查询 + 药物列表 CRUD）
  支持药品名/通用名/剂量/频次/途径/日期/在用状态
- 路由注册: /health/medications

权限: health.medication-records.list / health.medication-records.manage

apps/web/src/App.tsx

@@ -57,6 +57,7 @@ const CarePlanList = lazy(() => import('./pages/health/CarePlanList'));
 const CarePlanDetail = lazy(() => import('./pages/health/CarePlanDetail'));
 const ShiftList = lazy(() => import('./pages/health/ShiftList'));
 const ShiftDetail = lazy(() => import('./pages/health/ShiftDetail'));
+const MedicationRecordList = lazy(() => import('./pages/health/MedicationRecordList'));
 
 // 内容管理
 const ArticleManageList = lazy(() => import('./pages/health/ArticleManageList'));
@@ -279,6 +280,7 @@ export default function App() {
                       <Route path="/health/care-plans/:id" element={<CarePlanDetail />} />
                       <Route path="/health/shifts" element={<ShiftList />} />
                       <Route path="/health/shifts/:id" element={<ShiftDetail />} />
+                      <Route path="/health/medications" element={<MedicationRecordList />} />
                       {/* 内容管理 */}
                       <Route path="/health/articles" element={<ArticleManageList />} />
                       <Route path="/health/articles/new" element={<ArticleEditor />} />