新增 release artifact URL workflow SDK API

wasm-port/docs/project-release-handoff.md

@@ -62,6 +62,9 @@ continuation records are in `../text14.txt`.
   `createProjectReleaseReadinessArtifactJsonWorkflow()` is the one-call
   non-throwing JSON text workflow for dashboards that need parse, validation,
   summary, and action-plan output from the readiness artifact.
+  `loadProjectReleaseReadinessArtifactUrlWorkflow()` provides the same
+  SDK-side workflow from an artifact URL and caller-provided fetch
+  implementation, including fetch status and next-command output.
   Browser shells can also pass the JSON to
   `linuxCncIniPanelWorkflowOverviewApi.validateWorkflowOverviewReleaseReadinessArtifactJson()`
   through the workflow overview iframe and receive stable validation rows. They