## Summary

Brief description of what this PR does.

## Changes

-

## Related Issues

Closes #

## Checklist

- [ ] `pytest tests/ -v`: all tests pass
- [ ] `ruff check src/ tests/`: zero errors
- [ ] `ruff format --check src/ tests/`: formatted
- [ ] Documentation updated (CHANGELOG, docs: both ko & en)
- [ ] No hardcoded paths, credentials, or personal info

## Screenshots

If applicable, add screenshots for UI changes.