# tools/image_wrapper.py

import os
from datetime import datetime

def save_image_to_tmp(img) -> str:
    """Sauvegarde une image PIL dans /tmp et renvoie le chemin."""
    ts = datetime.utcnow().strftime("%Y%m%d_%H%M%S")
    filename = f"generated_image_{ts}.webp"
    filepath = os.path.join("/tmp", filename)
    img.save(filepath, format="WEBP")
    return filepath