接入桌面壳窗口标题同步

HostBridge 契约新增 app.setTitle 方法和标题 payload

Tauri 桌面壳通过主窗口 API 同步非空窗口标题

桌面壳能力清单和配置守卫声明 app.setTitle

补充标题校验测试并更新宿主壳方案和团队共享决策记录

packages/shared/src/contracts/hostBridge.ts

@@ -21,6 +21,7 @@ export type HostBridgeMethod =
   | 'share.open'
   | 'navigation.openNativePage'
   | 'app.openExternalUrl'
+  | 'app.setTitle'
   | 'clipboard.writeText'
   | 'haptics.impact';
 
@@ -87,6 +88,10 @@ export type OpenExternalUrlPayload = {
   url: string;
 };
 
+export type SetTitlePayload = {
+  title: string;
+};
+
 export const HOST_BRIDGE_EXTERNAL_URL_PROTOCOLS = [
   'http:',
   'https:',