Add doctor check to verify that attached molecules exist and are not closed.
Detects when a hook's attached_molecule field points to a non-existent or
closed issue, which can leave agents with stale work assignments.
- Check: hook-attachment-valid
- Error if: Hook's attached_molecule field points to non-existent or closed issue
- Fix: Automatically detaches invalid molecules when run with --fix
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
78a20f0aad