补齐移动壳进程崩溃恢复边界

移动壳 WebView 进程失败增加防循环恢复

加载失败面板承接连续进程恢复失败

配置检查和文档同步崩溃恢复约束

apps/mobile-shell/src/shell/ShellApp.tsx

@@ -75,6 +75,9 @@ function logMobileShellDeepLinkFailure(label: string, error: unknown) {
   console.warn(`mobile shell deep link failed for ${label}`, error);
 }
 
+const MOBILE_WEBVIEW_PROCESS_FAILURE_WINDOW_MS = 30_000;
+const MOBILE_WEBVIEW_PROCESS_FAILURE_RELOAD_LIMIT = 1;
+
 type MobileWebViewLoadErrorEvent = {
   nativeEvent: {
     url: string;
@@ -96,6 +99,10 @@ export default function ShellApp() {
   const isShellMountedRef = useRef(true);
   const nativeCanGoBackRef = useRef(false);
   const h5CanGoBackRef = useRef(false);
+  const webViewProcessFailureRef = useRef({
+    count: 0,
+    firstFailureAt: 0,
+  });
   const [canGoBack, setCanGoBack] = useState(false);
   const baseWebUrl = resolveMobileShellBaseWebUrl(
     process.env.EXPO_PUBLIC_GENARRATIVE_WEB_URL,
@@ -117,6 +124,12 @@ export default function ShellApp() {
   const reloadCurrentWebView = useCallback(() => {
     webViewRef.current?.reload();
   }, []);
+  const resetWebViewProcessFailureWindow = useCallback(() => {
+    webViewProcessFailureRef.current = {
+      count: 0,
+      firstFailureAt: 0,
+    };
+  }, []);
   useEffect(() => {
     isShellMountedRef.current = true;
 
@@ -197,6 +210,7 @@ export default function ShellApp() {
       allowedOrigin: allowedWebOrigin,
       urlOptions,
       openWebViewUrl(url) {
+        resetWebViewProcessFailureWindow();
         resetNavigationCanGoBack();
         setLoadFailure(null);
         setWebUrl(url);
@@ -205,7 +219,13 @@ export default function ShellApp() {
     });
 
     return () => configureMobileHostBridgeNavigation(null);
-  }, [allowedWebOrigin, reloadCurrentWebView, resetNavigationCanGoBack, urlOptions]);
+  }, [
+    allowedWebOrigin,
+    reloadCurrentWebView,
+    resetNavigationCanGoBack,
+    resetWebViewProcessFailureWindow,
+    urlOptions,
+  ]);
 
   useEffect(() => {
     let disposed = false;
@@ -222,6 +242,7 @@ export default function ShellApp() {
       if (resolution.status === 'rejected') {
         logMobileShellDeepLinkFailure(`${source}.rejected`, url);
       }
+      resetWebViewProcessFailureWindow();
       resetNavigationCanGoBack();
       setLoadFailure(null);
       setWebUrl(resolution.url);
@@ -249,7 +270,12 @@ export default function ShellApp() {
       disposed = true;
       subscription.remove();
     };
-  }, [baseWebUrl, resetNavigationCanGoBack, urlOptions]);
+  }, [
+    baseWebUrl,
+    resetNavigationCanGoBack,
+    resetWebViewProcessFailureWindow,
+    urlOptions,
+  ]);
 
   useEffect(() => {
     const subscription = BackHandler.addEventListener(
@@ -336,6 +362,7 @@ export default function ShellApp() {
     }
 
     setLoadFailure(null);
+    resetWebViewProcessFailureWindow();
     injectLifecycleEvent(AppState.currentState);
     void getMobileNetworkStatus()
       .then(injectNetworkStatusEvent)
@@ -375,8 +402,49 @@ export default function ShellApp() {
   };
   const handleRetryLoadFailure = () => {
     setLoadFailure(null);
+    resetWebViewProcessFailureWindow();
     reloadCurrentWebView();
   };
+  const handleWebViewProcessFailure = (label: string) => {
+    const now = Date.now();
+    const current = webViewProcessFailureRef.current;
+    const isWithinFailureWindow =
+      current.firstFailureAt > 0 &&
+      now - current.firstFailureAt <= MOBILE_WEBVIEW_PROCESS_FAILURE_WINDOW_MS;
+    const nextFailureWindow = isWithinFailureWindow
+      ? {
+          count: current.count + 1,
+          firstFailureAt: current.firstFailureAt,
+        }
+      : {
+          count: 1,
+          firstFailureAt: now,
+        };
+    webViewProcessFailureRef.current = nextFailureWindow;
+    console.warn('mobile WebView process failed', {
+      count: nextFailureWindow.count,
+      label,
+      url: webUrl,
+    });
+
+    if (nextFailureWindow.count <= MOBILE_WEBVIEW_PROCESS_FAILURE_RELOAD_LIMIT) {
+      reloadCurrentWebView();
+      return;
+    }
+
+    resetNavigationCanGoBack();
+    setLoadFailure(
+      normalizeMobileShellLoadFailure(
+        {
+          type: 'process',
+          url: webUrl,
+          description: 'WebView renderer terminated repeatedly',
+        },
+        allowedWebOrigin,
+        webUrl,
+      ),
+    );
+  };
   const handleBlockedFileDownload = () => undefined;
 
   return (
@@ -404,8 +472,12 @@ export default function ShellApp() {
           injectedJavaScriptBeforeContentLoaded={MOBILE_WEBVIEW_BEFORE_CONTENT_SCRIPT}
           onFileDownload={handleBlockedFileDownload}
           onMessage={handleMessage}
-          onContentProcessDidTerminate={reloadCurrentWebView}
-          onRenderProcessGone={reloadCurrentWebView}
+          onContentProcessDidTerminate={() => {
+            handleWebViewProcessFailure('content_process_terminated');
+          }}
+          onRenderProcessGone={() => {
+            handleWebViewProcessFailure('render_process_gone');
+          }}
           onLoad={handleWebViewLoad}
           onError={handleWebViewLoadError}
           onHttpError={handleWebViewHttpError}