接入原生壳生命周期事件

新增 app.lifecycle HostBridge 能力与 H5 订阅入口

Expo 壳通过 React Native AppState 注入真实前后台状态

Tauri 壳通过主窗口 focus 和 blur 注入真实激活状态

更新壳能力漂移检查、测试和架构文档

apps/mobile-shell/App.tsx

@@ -1,6 +1,14 @@
 import { StatusBar } from 'expo-status-bar';
 import { useEffect, useMemo, useRef, useState } from 'react';
-import { BackHandler, Linking, Platform, StyleSheet, View } from 'react-native';
+import {
+  AppState,
+  type AppStateStatus,
+  BackHandler,
+  Linking,
+  Platform,
+  StyleSheet,
+  View,
+} from 'react-native';
 import type { WebViewMessageEvent } from 'react-native-webview';
 import { WebView } from 'react-native-webview';
 
@@ -10,6 +18,7 @@ import {
   resolveMobileHostCapabilities,
 } from './src/mobileHostBridge';
 import { buildMobileShellUrlFromDeepLink } from './src/mobileShellDeepLink';
+import { lifecyclePayloadFromAppState } from './src/mobileShellLifecycle';
 import {
   resolveMobileShellExternalUrl,
   shouldOpenInMobileShellWebView,
@@ -97,6 +106,27 @@ export default function App() {
     return () => subscription.remove();
   }, [canGoBack]);
 
+  useEffect(() => {
+    const sendLifecycleEvent = (state: AppStateStatus) => {
+      webViewRef.current?.injectJavaScript(
+        buildHostBridgeMessageScript({
+          bridge: 'GenarrativeHostBridge',
+          version: 1,
+          event: 'app.lifecycle',
+          payload: lifecyclePayloadFromAppState(state),
+        }),
+      );
+    };
+
+    const subscription = AppState.addEventListener(
+      'change',
+      sendLifecycleEvent,
+    );
+    sendLifecycleEvent(AppState.currentState);
+
+    return () => subscription.remove();
+  }, []);
+
   const handleMessage = (event: WebViewMessageEvent) => {
     void handleMobileHostBridgeMessage(event.nativeEvent.data, (response) => {
       webViewRef.current?.injectJavaScript(