can't run using DeepSeek

how to run using deepseek pro - please send instruction

error:

uv run --project cairn cairn dispatch --config dispatch.yaml

    obj,
    ^^^^
...<5 lines>...
    by_name=by_name,
    ^^^^^^^^^^^^^^^^
)
^

pydantic_core._pydantic_core.ValidationError: 2 validation errors for DispatchConfig workers.0.type Input should be 'claudecode', 'codex', 'pi' or 'mock' [type=literal_error, input_value='deepseek', input_type=str] For further information visit https://errors.pydantic.dev/2.12/v/literal_error executors Extra inputs are not permitted [type=extra_forbidden, input_value={'local-deepseek': {'comm...key $DEEPSEEK_API_KEY'}}, input_type=dict] For further information visit https://errors.pydantic.dev/2.12/v/extra_forbidden