import os

from huggingface_hub import get_token


def resolve_hf_token() -> str | None:
    """Return HF API token from env or huggingface-cli cache."""
    for key in ("HF_TOKEN", "HUGGING_FACE_HUB_TOKEN"):
        value = os.environ.get(key)
        if value:
            return value
    return get_token()