...re: float,
    force_format_json: bool,
) -> str:
    url = host.rstrip("/") + "/api/chat"
    payload: Dict[str, Any] = {
        "model": model,
        "stream": False,  # blocking: output erst am Ende
        "messages": [
            {"role": "system", "content": system},
            {"role": "user", "content": user},
        ],
        "options": {"temperature": float(temperature), "num_predict"...