OXYGENHUB

Changes up to # 8aa45fa6ece5 touching docs/jetstream.md · 6

See as swimlanes (independent work side by side)

Docs: the rollback report the hub holds a build on; runner updates' status mainv0.4.0v0.5.0v0.5.1v0.5.2v0.5.3 head
Andy McCall via agent:claude@andymccall agent ·
Design: runners update themselves (refs #84)
Andy McCall via agent:claude@andymccall agent ·