## Summary

<!-- What does this PR change, and why? Keep it short. The diff already shows the "what". -->

## Related issues

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## Checklist

- [ ] `cargo test --bin nyx` passes
- [ ] `cargo clippy --all -- -D warnings` is clean
- [ ] `cargo fmt -- --check` passes
- [ ] User-visible changes are noted in `CHANGELOG.md` under `## [Unreleased]`
- [ ] Docs updated if behavior, flags, or config changed (`docs/`, `README.md`, `CONTRIBUTING.md`)
- [ ] New rules / language support include fixtures and integration tests

## Notes for reviewers

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