Station B video collection

### 1. Video information capture - Support multiple input methods for **BV number **, **AV number **, ** full URL** - Grab video details with one click: title, author, playback volume, bullet screen, likes, favorites, etc. - Grab multiple videos in batches ### 2. data management - Persistent storage of video information - Video list paging query - video search - Video data deletion ### 3. scheduled task - Create periodic grab tasks - Support Cron expression configuration - Task status management (enable/disable/delete) - Execute the task immediately - Task execution history ### 4. Data Kanban - Overview of video data statistics - task statistics