接入原生壳网络状态能力

新增 network.status 与 network.statusChanged HostBridge 能力

Expo 壳通过 expo-network 查询并订阅真实网络状态

Tauri 壳通过主站可达性查询和 WebView online/offline 事件同步网络状态

更新壳能力检查、测试和架构文档

package.json

@@ -90,6 +90,7 @@
     "expo-file-system": "^56.0.8",
     "expo-haptics": "^56.0.3",
     "expo-linking": "^56.0.14",
+    "expo-network": "^56.0.5",
     "expo-sharing": "^56.0.18",
     "expo-status-bar": "^56.0.4",
     "lucide-react": "^0.546.0",