## Summary

- 

## Validation

- [ ] `cargo fmt --check`
- [ ] `cargo clippy --all-targets -- -D warnings`
- [ ] `cargo test`
- [ ] `cargo audit`
- [ ] `cargo deny check licenses`
- [ ] Dependency freshness checked when dependency versions changed
- [ ] Focused tests added or existing coverage identified

## Notes

Mention any intentional rendering changes or compatibility impact.
