feat: YouTube playlist batch processing + note export#408
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New feature for processing entire YouTube playlists in one batch: Backend (backend/app/routers/playlist.py): - POST /api/playlist/info — extract playlist metadata and video list via yt-dlp - POST /api/playlist/generate — batch submit notes with full VideoRequest params (all 9 note styles, screenshot, link, video_understanding) - POST /api/playlist/cancel — cancel running batch job - POST /api/playlist/export — export completed notes as ZIP download organized as playlist_name/video_title.md Frontend (BillNote_frontend/public/playlist.html): - Paste playlist URL → load all videos with thumbnails - Select/deselect videos for batch processing - Full parameter parity with main app: all 9 styles, provider/model selection, screenshot, link, video_understanding toggles - Real-time per-video stage display in Chinese (解析中→下载中→转录中→总结中→完成) - Cancel button to stop batch mid-processing - Download individual .md or bulk ZIP with automatic naming App registration (backend/app/__init__.py): - Register playlist router at /api prefix
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Summary
Adds YouTube playlist batch processing — paste a playlist URL, load all videos, select which to process, and generate notes in bulk.
New API Endpoints
POST /api/playlist/infoPOST /api/playlist/generatePOST /api/playlist/cancelPOST /api/playlist/exportplaylist_name/video_title.md)New UI Page
/playlist.html— standalone management page accessible from the main app:Dependencies
This PR depends on:
Screenshots
The UI is a dark-themed page matching BiliNote's design, with: