推进 INI 面板 shell handoff action plan

wasm-port/docs/panel-entry.md

@@ -21,6 +21,7 @@ import {
   createIniPanelShellIntegrationReadiness,
   createIniPanelShellIntegrationSchema,
   createIniPanelShellIntegrationWorkflowPlan,
+  createIniPanelShellSessionHandoffActionPlan,
   createIniPanelShellSessionHandoffCompatibilityReport,
   createIniPanelShellSessionHandoffDisplayViewModel,
   createIniPanelShellSessionHandoffRenderState,
@@ -165,6 +166,12 @@ shell needs the snapshot compressed into launch-side DOM state with a status
 line, stable rows, and `[data-handoff-shell]` phase/readiness flags. The launch
 page renders `[data-handoff-status]` and `[data-handoff-rows]` from this helper
 without adding control actions.
+Use `createIniPanelShellSessionHandoffActionPlan()` or
+`linuxCncIniPanelLaunchApi.getShellSessionHandoffActionPlan()` when an outer
+shell needs a read-only next-step description derived from the same snapshot:
+target page, required readonly methods, blocking reasons, display rows, and
+ready/blocked next step ids. The action plan describes what an outer shell can
+do next; it does not execute actions or add controls.
 The browser workflow smoke
 `tests/browser/ini_panel_shell_integration_workflow_smoke.html` verifies the
 same external shell handoff: read integration manifest, pass readiness gate,