# Diffraction

> UI review for web application pull requests. See the full spectrum of every diff.

- [Introduction](https://docs.diffraction.sh/docs/site/introduction.md): See the full spectrum of every diff with evidence-backed UI review.
- [Connect GitHub](https://docs.diffraction.sh/docs/site/github.md): Connect selected repositories to a configured Diffraction deployment.
- [Repository configuration](https://docs.diffraction.sh/docs/site/configuration.md): Define review behavior in a versioned diffraction.yml file.
- [Read a review](https://docs.diffraction.sh/docs/site/reviews.md): Understand recorded targets, aberrations, and coverage limitations.
- [Run locally](https://docs.diffraction.sh/docs/site/local-development.md): Review a trusted checkout with the local Codex and Playwright harness.