加固宿主事件订阅门禁

新增原生壳检查脚本对 H5 HostBridge 事件订阅双能力门控的静态反查

补齐 HostBridge 事件订阅测试矩阵里的返回栈事件负向覆盖

更新宿主壳协议、壳方案和共享记忆中的事件门禁说明

src/services/host-bridge/hostBridge.test.ts

@@ -341,6 +341,7 @@ describe('hostBridge', () => {
   test('事件类能力缺少宿主事件通道时不订阅原生事件', () => {
     const lifecycleListener = vi.fn();
     const networkListener = vi.fn();
+    const navigationListener = vi.fn();
     const imageDropListener = vi.fn();
 
     window.history.replaceState(null, '', nativeAppPath(['app.lifecycle']));
@@ -388,6 +389,29 @@ describe('hostBridge', () => {
     );
     unsubscribeNetwork();
 
+    window.history.replaceState(
+      null,
+      '',
+      nativeAppPath(['navigation.canGoBack']),
+    );
+    const unsubscribeNavigation =
+      subscribeHostNavigationCanGoBack(navigationListener);
+    window.dispatchEvent(
+      new MessageEvent('message', {
+        data: JSON.stringify({
+          bridge: 'GenarrativeHostBridge',
+          version: 1,
+          event: 'navigation.canGoBack',
+          payload: {
+            canGoBack: true,
+          },
+        }),
+        origin: window.location.origin,
+        source: window,
+      }),
+    );
+    unsubscribeNavigation();
+
     window.history.replaceState(
       null,
       '',
@@ -417,12 +441,14 @@ describe('hostBridge', () => {
 
     expect(lifecycleListener).not.toHaveBeenCalled();
     expect(networkListener).not.toHaveBeenCalled();
+    expect(navigationListener).not.toHaveBeenCalled();
     expect(imageDropListener).not.toHaveBeenCalled();
   });
 
   test('事件通道缺少具体事件能力时不订阅原生事件', () => {
     const lifecycleListener = vi.fn();
     const networkListener = vi.fn();
+    const navigationListener = vi.fn();
     const imageDropListener = vi.fn();
 
     window.history.replaceState(null, '', nativeAppPath(['host.events']));
@@ -431,6 +457,8 @@ describe('hostBridge', () => {
       subscribeHostAppLifecycle(lifecycleListener);
     const unsubscribeNetwork =
       subscribeHostNetworkStatusChange(networkListener);
+    const unsubscribeNavigation =
+      subscribeHostNavigationCanGoBack(navigationListener);
     const unsubscribeImageDrop =
       subscribeHostImageDrop(imageDropListener);
 
@@ -450,6 +478,12 @@ describe('hostBridge', () => {
           connectionType: 'wifi',
         },
       },
+      {
+        event: 'navigation.canGoBack',
+        payload: {
+          canGoBack: true,
+        },
+      },
       {
         event: 'file.imageDropped',
         payload: {
@@ -477,10 +511,12 @@ describe('hostBridge', () => {
 
     unsubscribeLifecycle();
     unsubscribeNetwork();
+    unsubscribeNavigation();
     unsubscribeImageDrop();
 
     expect(lifecycleListener).not.toHaveBeenCalled();
     expect(networkListener).not.toHaveBeenCalled();
+    expect(navigationListener).not.toHaveBeenCalled();
     expect(imageDropListener).not.toHaveBeenCalled();
   });