- Add download_video() to BilibiliAdapter using yt-dlp
- Add bilibili_cookie config to Settings
- Update DownloadProcessor to call video download for bilibili videos
- Add idempotency check to ASRProcessor for existing subtitle files
- Fix indentation error in asr.py
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
BilibiliAdapter._fetch_metadata_with_retry() now calls the underlying
async methods directly instead of sync wrappers that use asyncio.run().
This prevents "asyncio.run() cannot be called from a running event loop"
error when the adapter is called from within an already-running event loop.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>