fix(server): a message sent during a rollback no longer undoes it (#17079)

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
c28cd90557Theo Browne committed on 10/8/2026, 5:20:16 AM· committed by GitHubparent0bfd9dd
5 files changedLine totals unavailable