"""独立进程：仅根据 .env / 环境变量中的 action_watch_dir 跑目录监控（不启动 FastAPI）。"""

from __future__ import annotations

import asyncio
import sys

from app.db import init_db
from app.services.action_watch import run_action_watch_loop
from app.settings import get_settings


def main() -> None:
    s = get_settings()
    init_db(s)
    if s.action_watch_dir is None:
        print(
            "未配置监控目录：请在 .env 中设置 ACTION_WATCH_DIR=/你的/mp4/目录",
            file=sys.stderr,
        )
        raise SystemExit(1)
    asyncio.run(run_action_watch_loop(s))


if __name__ == "__main__":
    main()