Function _latest_user_index

uncommon_route/composition.py:698–703

(messages: list[dict[str, Any]])

def _latest_user_index(messages: list[dict[str, Any]]) -> int | None:
    for idx in range(len(messages) - 1, -1, -1):
        msg = messages[idx]
        if isinstance(msg, dict) and msg.get("role") == "user":
            return idx
    return None


def _extract_artifact_id(text: str) -> str: