推进 INI 面板 shell view-model helper

wasm-port/docs/panel-entry.md

@@ -11,6 +11,7 @@ control view:
 import {
   INI_PANEL_ENTRIES,
   createIniPanelLauncherLinkViewModel,
+  createIniPanelShellViewModel,
   getIniPanelEntryByHref,
   getVisibleIniPanelEntries,
   createMachineSessionControlPageController,
@@ -42,6 +43,10 @@ Launcher pages can render links from `createIniPanelLauncherLinkViewModel()`
 without reading manifest field names directly. Each item has `entryId`, `href`,
 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 and renderer.
+
 ## Boundary
 
 The entry shell only links pages and renders already-observed panel state. It