- Add Actor field to MutationEvent struct - Use new assignee from update args instead of old issue state - Include actor (who performed the action) in mutation events - Display actor in bd activity output, falling back to assignee When pinning/updating status, the activity feed now shows who performed the action (e.g., "@gastown/crew/jack") instead of showing nothing. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>