记录桌面壳下载阻断事件

桌面壳阻断 WebView 下载请求时记录宿主诊断日志

补充桌面 WebView 下载阻断 handler 单测

扩展桌面壳配置门禁防止下载阻断静默回退

修正桌面壳回放门禁的格式敏感匹配

apps/desktop-shell/scripts/check-config.mjs

@@ -2674,7 +2674,11 @@ const requiredRustHostSnippets = [
   'DownloadEvent',
   'should_allow_desktop_webview_download',
   'DownloadEvent::Requested { .. } => false',
-  '.on_download(|_webview, event| should_allow_desktop_webview_download(&event))',
+  'handle_desktop_webview_download',
+  'log_desktop_webview_download_blocked',
+  'desktop host event blocked for webview.download',
+  'desktop_webview_download_handler_logs_blocked_requests',
+  '.on_download(|_webview, event| handle_desktop_webview_download(&event))',
   'NewWindowResponse::Deny',
   'HOST_BRIDGE_METHODS',
   'HOST_BRIDGE_REQUEST_ID_MAX_LENGTH',
@@ -2712,7 +2716,7 @@ for (const snippet of [
   'prepare_host_bridge_request(&mut invalid).expect("invalid envelope")',
   'assert_eq!(response.id, "request-1");',
   'assert_eq!(response.error.expect("error").code, "invalid_request");',
-  'match replay_state.reserve("request-1")',
+  '.reserve("request-1")',
   'invalid request must not reserve replay slot',
 ]) {
   if (!rustHostSource.includes(snippet)) {