"""Logging setup shared across the app."""
import logging

_CONFIGURED = False


def configure_logging(level=logging.INFO):
    """Configure root logging once with a concise, timestamped format."""
    global _CONFIGURED
    if _CONFIGURED:
        return
    logging.basicConfig(
        level=level,
        format="%(asctime)s %(levelname)-7s %(name)s | %(message)s",
        datefmt="%H:%M:%S",
    )
    _CONFIGURED = True