# DSH Adaptation Parity Checklist

The Chrome extension is the product spec. DSH adaptation is complete only when
every item below passes against the original UI and behavior. No item may be
removed or "solved" by re-designing the feature.

## Selection

- [ ] 选中文字后出现原 selection dot
- [ ] selection dot 尺寸、位置、视觉与原版一致
- [ ] 短按行为正确
- [ ] 长按约 430 ms 行为正确
- [ ] explanationFirst 正确
- [ ] annotationFirst 正确

## Panels

- [ ] Quick Explain 从圆点 morph 出现
- [ ] Custom Question 从圆点 morph 出现
- [ ] answer surface UI 不改变
- [ ] composer surface UI 不改变
- [ ] quote chip UI 不改变
- [ ] collapsed answer 行为不改变

## Streaming

- [ ] Streaming answer UI 正确
- [ ] 可以同时存在多个独立解释 panel
- [ ] 每个 panel 拥有独立 stream state
- [ ] retry 正确
- [ ] follow-up 正确
- [ ] close 正确

## Memory

- [ ] 保存完整回答
- [ ] 保存回答节选
- [ ] history hint
- [ ] history hover
- [ ] memory card

## Annotation

- [ ] 创建 annotation
- [ ] 多 annotation 暂存
- [ ] annotation highlight
- [ ] annotation basket
- [ ] basket expand/compact
- [ ] annotation drawer
- [ ] drawer morph
- [ ] annotation edit
- [ ] annotation delete

## Composer drop

- [ ] basket 可拖动
- [ ] DSH composer 有 drop affordance
- [ ] drop 后内容进入 draft
- [ ] drop 后不会自动发送

## Theme / i18n / motion

- [ ] reduced-motion 正确
- [ ] 主题色正确
- [ ] 中文正确
- [ ] English 正确

## Regression

- [ ] Chrome 原版全部测试继续通过