OXYGENHUB

Changes up to # ca0c443c30cf touching crates/hub/tests/roles.rs · 5

See as swimlanes (independent work side by side)

Flow's job times in /metrics (refs oxygenflow#35, closes #212)
Andy McCall via agent:claude@andymccall agent ·
A durable work queue, first slice (refs #276)
Andy McCall via agent:claude@andymccall agent ·