## Description
Brief description of the change.
## Type of change
- [ ] Bug fix
- [ ] New feature
- [ ] Documentation
- [ ] Refactor / cleanup
- [ ] Other (describe):
## Related issue(s)
Fixes # (if applicable).
## Checklist
- [ ] Code follows project style (`cargo fmt`, `cargo clippy`).
- [ ] Tests added or updated; `cargo test --workspace` passes.
- [ ] Documentation updated if needed (README, docs/, doc comments).
- [ ] Change fits project focus (correctness, execution semantics, persistence).