Install uv:
curl -LsSf https://astral.sh/uv/install.sh | shPython 3.12 is required (uni2ts does not yet support 3.13+). uv will download it automatically:
uv venv --python 3.12 venv
source venv/bin/activate
uv pip install -e ".[dev]"pytestruff check .
ruff format --check .