Conflict in crates/engine/src/jobs.rs: main's save commit point (#5333,
OPEN/COMMITTED/CANCELLED phase) met the batch's cancel state
(CANCEL_REQUESTED/WORK_FINISHED). Both now share one atomic with a
COMMITTED bit; commit vs cancel and the batch's late-cancel guard each
stay one compare-and-swap. A Batch that refuses a repeated or late cancel
reports CancelRefused::Finishing ("finishing") in jobs.cancel's
notCancelled list, still {"cancelled": 0}. control-protocol.md documents both.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>