## Summary

Describe what changed and why.

## Type of change

- [ ] Bug fix
- [ ] Feature
- [ ] Content improvement
- [ ] Docs/maintenance

## AI disclosure

- [ ] This PR includes AI-assisted output (content, code, or structure).
- [ ] I reviewed and validated all AI-assisted output.
- [ ] I take full responsibility for the final changes.

### AI usage notes

If applicable, describe where and how AI was used.

## Optional review notes

Anything reviewers should focus on?