Fixes gt-v07fl: Polecat lifecycle cleanup for stale worktrees and git tracking conflicts. Changes: 1. Add .claude/ to .gitignore (prevents untracked file accumulation) 2. Add beads runtime state patterns to .gitignore (prevents future tracking) 3. Remove .beads/ runtime state from git tracking (mq/, issues.jsonl, etc.) - Formulas and config remain tracked (needed for go install) - Created follow-up gt-mpyuq for formulas refactor 4. Add DetectStalePolecats() to polecat manager for identifying cleanup candidates 5. Add CountCommitsBehind() to git package for staleness detection 6. Add `gt polecat stale <rig>` command for stale polecat detection/cleanup - Shows polecats without active sessions - Identifies polecats far behind main (configurable threshold) - Optional --cleanup flag to auto-nuke stale polecats The existing `gt polecat gc` command handles branch cleanup. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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713 B