- Witness: Added Handoff Bead section with nudge state schema - Refinery: Added Handoff Bead section with merge queue state schema - Both reference their respective pinned handoff beads Closes gt-poxd 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>