抖音作品获取 v3.1：分享文本/短链/ID 单入口解析，按需下载图/视频/实况/文案/BGM，带元数据、SHA256 与显式状态，跨 agent
Install
The individual skill folder is not confirmed. This command opens the repository’s skill selector; follow the upstream instructions.
skills CLI
npx skills add Arekejoker/douyin-download-skill