接入桌面壳窗口标题同步路径

H5 主站按当前平台阶段同步 document.title

native_app 中通过 app.setTitle 请求 Tauri 窗口标题同步

补充标题同步测试和宿主壳能力文档

src/services/host-bridge/hostBridge.ts

@@ -68,6 +68,10 @@ export type HostClipboardWriteTextRequest = {
 
 export type HostHapticsImpactRequest = HapticsImpactPayload;
 
+export type HostAppTitleRequest = {
+  title: string;
+};
+
 function isUnsupportedHostBridgeError(error: unknown) {
   return (
     error instanceof Error &&
@@ -504,3 +508,18 @@ export async function requestHostHapticsImpact(
     return false;
   }
 }
+
+export async function setHostAppTitle({ title }: HostAppTitleRequest) {
+  const normalizedTitle = title.trim();
+  if (!normalizedTitle || getHostRuntime().kind !== 'native_app') {
+    return false;
+  }
+
+  try {
+    return await requestNativeHostBoolean('app.setTitle', {
+      title: normalizedTitle,
+    });
+  } catch {
+    return false;
+  }
+}