Extend Node Image Info to handle streams#749

Draft

sdodson wants to merge 4 commits intoopenshift:mainfrom

sdodson:rhcos-stream-changelogs

Commits on Mar 31, 2026

release-controller: per-stream RPM helpers and machine-os stream discovery

sdodson
and
Cursor
committed
rhcos: multi-stream CoreOS markdown and node image section

sdodson
and
Cursor
committed
release-controller-api: fetch node image info when machine-os streams exist

sdodson
and
Cursor
committed
hack: add changelog-preview helper; gitignore sample output

sdodson
and
Cursor
committed