## Summary

Brief description of the changes in this PR.

## Type of Change

- [ ] Bug fix
- [ ] New feature
- [ ] Refactor (no behavior change)
- [ ] Documentation update
- [ ] Test improvement
- [ ] Build / CI change

## Related Issues

Closes #

## Checklist

- [ ] Tests written before implementation (TDD)
- [ ] All tests pass (`flutter test` and `cd rust && cargo test`)
- [ ] `flutter analyze` reports zero issues
- [ ] `cargo clippy --workspace -- -D warnings` reports zero warnings
- [ ] Code formatted (`dart format lib/ test/` and `cargo fmt --all`)
- [ ] Conventional commit message used
- [ ] No hardcoded values introduced
- [ ] Documentation updated if public API changed

## Testing Notes

Describe how to test these changes, or what platforms you tested on.
