decision.kind 增加 downloader_offline / cache_volume_unknown,契约、原因文案与界面标签同步; volume_state_unknown 的原因文案改为「下载目录读不到容量」并指向路径映射与容器挂载。 Co-Authored-By: Claude Opus 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Cxwgnn2pbzQ7rXv3rq7fei