feat(android): OTA双轨更新 — shared版本号+Android Expo/PackageInstaller

- packages/shared: 版本号解析 vX.Y.Z-dav-{client}-{build} + manifest远程检查
- packages/client-android: Expo52 + expo-updates JS bundle OTA
- PackageInstallerModule.kt: APK静默安装原生模块（~60行Kotlin）
- monorepo: pnpm workspace + 版本号体系

packages/client-android/package.json

@@ -0,0 +1,28 @@
+{
+  "name": "@yuzu-gca/client-android",
+  "version": "0.1.0",
+  "private": true,
+  "main": "expo-router/entry",
+  "scripts": {
+    "start": "expo start",
+    "android": "expo start --android",
+    "build": "eas build -p android --profile preview",
+    "export": "expo export --platform android",
+    "prebuild": "expo prebuild --platform android"
+  },
+  "dependencies": {
+    "@yuzu-gca/shared": "workspace:*",
+    "expo": "~52.0.0",
+    "expo-constants": "~17.0.0",
+    "expo-device": "~7.0.0",
+    "expo-file-system": "~18.0.0",
+    "expo-status-bar": "~2.0.0",
+    "expo-updates": "~26.0.0",
+    "react": "18.3.1",
+    "react-native": "0.76.5"
+  },
+  "devDependencies": {
+    "@types/react": "~18.3.0",
+    "typescript": "^5.5.0"
+  }
+}