推进 INI 面板 readonly status API

wasm-port/docs/panel-entry.md

@@ -15,6 +15,8 @@ import {
   getIniPanelEntryByHref,
   getVisibleIniPanelEntries,
   createMachineSessionControlPageController,
+  createMachineSessionReadonlyStatus,
+  readMachineSessionReadonlyStatus,
   loadMachineSessionForControlPageWorkflow,
   createControlPageSessionLoadState,
   refreshMachineSessionControlPage,
@@ -24,7 +26,8 @@ import {
 ```
 
 `ui-shell.js` re-exports the entry manifest, the read-only control-page
-controller, and the control-view renderer. It does not implement CNC behavior.
+controller, the unified read-only status API, and the control-view renderer. It
+does not implement CNC behavior.
 
 ## Pages
 
@@ -50,6 +53,9 @@ and `label`.
 Outer shells can call `createIniPanelShellViewModel()` when they need one
 read-only model with `pages`, `launcherLinks`, and `controlPage` helpers for
 mounting the existing control-page controller, refresh workflow, and renderer.
+Use `controlPage.readStatus` or `readMachineSessionReadonlyStatus()` when an
+outer shell needs one stable read of `stateBundle`, `workflowStatus`,
+`overview`, `controlView`, `session`, `runReadiness`, and `run`.
 
 The control-page refresh workflow lives in
 `runtime/ui/ini-panel/control-page-refresh-workflow.js`. Use