🐛 fix(vscode): 代码阅读对话里的回答悬停链接时卡片一直闪、盖住链接：回答每次重画都新建 {__html}，React 换了对象就整段重设 innerHTML，弹出定义卡片引起的重画把悬停着的链接换成新元素，卡片按脱离页面的旧链接落到左上角盖住链接，指针下的新链接又重新问卡片、再被换掉，来回闪；回答改用 MarkdownPreview，同一段 HTML 用同一个对象，链接不再被换

vscode/webview-ui/src/codeReader/AskThread.tsx

@@ -12,6 +12,7 @@ import { useCopyText } from '@/hooks/useCopyText'
 import { renderMarkdown, renderMarkdownOnce } from './markdown'
 import { answerPreview, relativeTime, unfinished } from './qa'
 import { MAX_IMAGES, pickImages, readImage, transferFiles } from './qaImages'
+import { MarkdownPreview } from './TextPreview'
 import { showInViewport } from './useReveal'
 
 /** 一种对话在界面上怎么称呼：区域的名字、图标、「问过 N 次」、删一条、输入框的提示和名字、回答长出来时的状态 */
@@ -157,7 +158,7 @@ function HistoryItem({ entry, wording, now, onDelete, onOpenImage }: { entry: Qa
       </div>
       <Thumbs urls={entry.images ?? []} onOpen={onOpenImage} />
       {expanded
-        ? <div className="cr-markdown cr-qa-answer" dangerouslySetInnerHTML={{ __html: renderMarkdown(entry.answer, 'answer') }} />
+        ? <MarkdownPreview html={renderMarkdown(entry.answer, 'answer')} className="cr-qa-answer" />
         : (
             <button type="button" className="cr-qa-preview" onClick={toggle}>
               {answerPreview(entry.answer)}
@@ -187,10 +188,10 @@ function CurrentItem({ ask, wording, onOpenImage }: { ask: Ask, wording: ThreadW
       </div>
       <Thumbs urls={ask.images ?? []} onOpen={onOpenImage} />
       {ask.text !== '' && (
-        <div
-          className="cr-markdown cr-qa-answer"
-          data-streaming={running ? '' : undefined}
-          dangerouslySetInnerHTML={{ __html: running ? renderMarkdownOnce(ask.text) : renderMarkdown(ask.text, 'answer') }}
+        <MarkdownPreview
+          html={running ? renderMarkdownOnce(ask.text) : renderMarkdown(ask.text, 'answer')}
+          className="cr-qa-answer"
+          streaming={running}
         />
       )}
       {running && (