推进 INI 面板 launch manifest compatibility predicate

wasm-port/docs/panel-entry.md

@@ -27,6 +27,7 @@ import {
   refreshMachineSessionControlPage,
   controlPageStatusText,
   renderMachineSessionControlView,
+  isSupportedIniPanelLaunchApiManifest,
 } from "../runtime/ui/ini-panel/ui-shell.js";
 ```
 
@@ -92,6 +93,9 @@ Use `createIniPanelLaunchApiSchema()`,
 `linuxCncIniPanelLaunchApi.getLaunchApiSchema()`, or `manifestVersion` when an
 outer shell needs to check launch manifest compatibility before consuming these
 fields.
+Use `isSupportedIniPanelLaunchApiManifest()` or
+`linuxCncIniPanelLaunchApi.isSupportedLaunchApiManifest()` for a read-only
+compatibility predicate before using a launch manifest.
 
 The control-page refresh workflow lives in
 `runtime/ui/ini-panel/control-page-refresh-workflow.js`. Use