from typing import Dict


def config_to_runner_env(config: Dict[str, str]) -> Dict[str, str]:
    """
    Converts runner config to standard env vars (prefixed with 'RUNNER_')

    Args:
        config: Runner config dictionary

    Returns:
        Formatted env map for runner
    """
    return {f"RUNNER_{key.upper()}": config[key] for key in config}