推进 INI 面板 control page entry

wasm-port/docs/ui-panel-state-summary.md

@@ -26,6 +26,9 @@ For direct rendering, use `window.linuxCncIniPanelApi.getMachineSessionControlVi
 The panel also exposes
 `window.linuxCncIniPanelApi.renderMachineSessionControlView(container)`, which
 renders the current view into a supplied DOM container.
+For a ready-made read-only page, open
+`runtime/ui/ini-panel/control-page.html`. It embeds the panel in a hidden iframe
+and mirrors the same control view into the visible page.
 
 ## `createIniPanelStateSummary(input)`