## Description
Fixes #(issue)

## Type
- [ ] Bug fix
- [ ] Feature
- [ ] Docs

## Checklist
- [ ] `npm run build` passes
- [ ] `python -m py_compile` passes
- [ ] Docs updated in English (`README.md`, `docs/`)
- [ ] Tested `POST /api/benchmark/run-stream`
- [ ] No secrets

## Screenshots (if UI)

## Hugging Face
- [ ] Model/dataset card updated if relevant