Verifies all clones have core.hooksPath set to .githooks. Auto-fixable with 'gt doctor --fix'. This ensures the pre-push hook is active on all clones, blocking pushes to invalid branches (no internal PRs). 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>