- Add --check-health flag for quick, silent health checks (exit 0 on success) - Check version mismatch (CLI vs database), sync.branch config, outdated hooks - Add hints.doctor config option to suppress doctor hints globally - Update post-merge/post-checkout hooks to call bd doctor --check-health - Suggest running bd doctor in upgrade notification - Modernize post-checkout hook (bash→sh, use bd sync instead of bd import) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>