- Popup now appears above the cursor line (matching reference design)
- Header changed to "可能@的内容"
- @ character stays visible while popup is open, removed on mention select
- All references shown in popup (no dedup filtering)
- Fixed zero-rect fallback using temp marker for empty editor
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Remove 图片生成 option — only 视频生成 available
- Remove Seedance 2.0 Fast — fixed to Seedance 2.0
- Implement @ mention system with contentEditable editor:
- Click @ or type @ to show reference popup
- Select media to insert dimmed mention tag
- Hover over mention shows media preview tooltip
- Videos auto-play on hover