import logging


def configure_logging(service_name: str) -> logging.Logger:
    """Plain-text, human-prose logging -- the deliberately weak Phase 0
    baseline. Per phase-0-base-project-spec.md §9: no JSON, no key-value, no
    structured fields. Do not "improve" this; later phases replace it."""
    logging.basicConfig(
        level=logging.INFO,
        format="%(asctime)s %(levelname)s %(name)s %(message)s",
    )
    return logging.getLogger(service_name)