推进 INI 面板 launch 暴露 control-page API 清单

wasm-port/docs/panel-entry.md

@@ -10,6 +10,7 @@ control view:
 ```js
 import {
   INI_PANEL_ENTRIES,
+  createControlPageBrowserApiMethods,
   createIniPanelLauncherLinkViewModel,
   createIniPanelShellControlPageContract,
   createIniPanelShellViewModel,
@@ -77,6 +78,9 @@ control page API.
 Use `linuxCncIniPanelControlPageApi.readControlPageStatus()` when a browser
 outer page needs the same readonly status snapshot from the real embedded
 control page after save/load session workflows.
+The launch page exposes `linuxCncIniPanelLaunchApi.getControlPageApiMethods()`
+from the same shell view-model so entry pages can consume the available
+read-only control-page API list without loading the control-page iframe first.
 
 The control-page refresh workflow lives in
 `runtime/ui/ini-panel/control-page-refresh-workflow.js`. Use