app/logging_setup.py

import logging
from pathlib import Path

def setup_logging(log_path: Path) -> logging.Logger:
    log_path.parent.mkdir(parents=True, exist_ok=True)
    logging.basicConfig(
        filename=str(log_path), level=logging.INFO,
        format="%(asctime)s - %(levelname)s - %(message)s"
    )
    logger = logging.getLogger("bn_strategy")
    logger.setLevel(logging.INFO)
    return logger