def make_store() -> list:
    return []


def save_run(store: list, record: dict) -> tuple[int, list]:
    run_id = store[-1]["id"] + 1 if store else 1
    return run_id, store + [{"id": run_id, **record}]


def get_runs(store: list, limit: int = 100) -> list[dict]:
    return list(reversed(store))[:limit]


def get_run(store: list, run_id: int) -> dict | None:
    return next((r for r in store if r["id"] == run_id), None)


def delete_run(store: list, run_id: int) -> list:
    return [r for r in store if r["id"] != run_id]


def update_feedback(store: list, run_id: int, value: int) -> list:
    return [{**r, "feedback": value} if r["id"] == run_id else r for r in store]


def update_feedback_comment(store: list, run_id: int, comment: str) -> list:
    return [{**r, "feedback_comment": comment} if r["id"] == run_id else r for r in store]