/agenthub:merge — Merge Winner Merge the best agent's branch into the base branch, archive losing branches via git tags, and clean up worktrees. Usage What It Does 1. Identify Winner If specified, use that. Otherwise, use the #1 ranked agent from the most recent . 2. Merge Winner 3. Archive Losers For each non-winning agent: 4. Clean Up Worktrees 5. Post Merge Summary Write : 6. Update State Safety - Confirm with user before merging — show the diff summary first - Never force-push — merge is always for clear history - Archive, don't delete — losing agents' commits are preserved via tags - Cle…