feat(miniprogram): BLE 设备同步模块 — 扫描+连接+数据上传

- Task 18: BLE 类型定义（NormalizedReading/DeviceAdapter/BLEDevice）+ BLEManager 连接管理器
- Task 19: XiaomiBandAdapter 心率读取适配器（标准 HRS Service 0x180D）
- Task 20: device-sync API 层 + 设备同步页面 + app.config 路由注册

apps/miniprogram/src/app.config.ts

@@ -40,6 +40,7 @@ export default defineAppConfig({
     'pages/doctor/report/index',
     'pages/doctor/report/detail/index',
     'pages/events/index',
+    'pages/device-sync/index',
   ],
   tabBar: {
     color: '#94A3B8',