# scraper/models/book_state.py


class Chapter:
    """
    Lightweight chapter model used by DownloadController, BookScraper,
    and Celery pipelines.
    """

    def __init__(self, number: int, title: str, url: str):
        self.number = number
        self.title = title
        self.url = url

    def __repr__(self):
        return f"Chapter(number={self.number}, title={self.title}, url={self.url})"