fix: assistant answer pb

app/components/base/streamdown-markdown.tsx

@@ -0,0 +1,18 @@
+'use client'
+import { Streamdown } from 'streamdown'
+import 'katex/dist/katex.min.css'
+
+interface StreamdownMarkdownProps {
+  content: string
+  className?: string
+}
+
+export function StreamdownMarkdown({ content, className = '' }: StreamdownMarkdownProps) {
+  return (
+    <div className={`streamdown-markdown ${className}`}>
+      <Streamdown>{content}</Streamdown>
+    </div>
+  )
+}
+
+export default StreamdownMarkdown