PR report — synthetic snapshots
PR12: new-b pending; old-a success is stale.
PR13: handle review feedback; CI does not override changes_requested.
PR14: merged, remove from active work.
PR15: still draft.
PR16: unreadable; status unknown.
Unconfirmed: real branch protections, conflicts and security-check completeness.
No board update, notification, merge or push.