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- crew.md: Use gt handoff instead of manual mail for handoff - witness.md: Use gt handoff in Session Self-Cycling section - refinery.md: Simplify Session Self-Cycling to use gt handoff - deacon.md: Add Session Self-Cycling section with gt handoff All non-polecat roles now consistently document gt handoff as the canonical way to end sessions. Polecats use gt done (handled by Witness). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>