Closes the planning#16 backward-transition follow-up across the CLI release
surface:
spec-kitty backwards --note ...now preserves the canonical
backward rewind:transition-reason prefix when callers supply a note,
keeping emittedWPStatusChangedevents accepted by the shared contract and
SaaS ingestion.- The resolved lockfile moves to
spec-kitty-events==5.1.0, which ships the
review-rejection replay conformance fixture used to verify forced backward
transition handling.