test(web+mp): E2E 测试全量实施 — Web 5 flow + MP 4 flow + 基础设施

Web 端 (Playwright):
- fixtures: test-data 工厂 + API Client (乐观锁 version) + 增强 auth fixture
- pages: LoginPage, PatientListPage, PatientDetailPage, HealthDataPage, AppointmentPage
- flows: 患者全流程, 体征数据链路, 预约排班链路, 随访管理链路, 告警处理链路
- smoke tests 迁移到 smoke/ 目录，import 路径更新
- playwright.config.ts 更新: globalSetup 环境检查, 60s timeout, video retain

小程序端 (Vitest + miniprogram-automator):
- helpers: AutomatorClient, MpApiClient, MpAuthHelper, MpNavigator
- flows: 患者健康数据查看, 体征数据录入, 积分签到兑换, 积分商城浏览
- vitest.config.ts + check-readiness.ts
- vitest 4.1.5 依赖安装

Playwright 发现 15 个测试 (5 flow + 10 smoke)，全部就绪

apps/miniprogram/package.json

@@ -5,7 +5,8 @@
   "description": "HMS 健康管理平台患者小程序",
   "scripts": {
     "build:weapp": "taro build --type weapp",
-    "dev:weapp": "taro build --type weapp --watch"
+    "dev:weapp": "taro build --type weapp --watch",
+    "test:e2e": "vitest run --config e2e/vitest.config.ts"
   },
   "browserslist": [
     "last 3 versions",
@@ -41,6 +42,7 @@
     "miniprogram-automator": "^0.12.1",
     "sass": "^1.87.0",
     "typescript": "^5.8.0",
+    "vitest": "^4.1.5",
     "webpack": "~5.95.0"
   }
 }