fix(component): strip nested ref in quote excerpt

src/components/CommentSection.vue

@@ -57,8 +57,11 @@ function renderCommentContent(text: string): string {
 }
 
 function quoteExcerpt(comment: CommentResponse): string {
-  const s = (comment.content ?? '').replace(/\s+/g, ' ').trim()
-  return s.length > 40 ? s.slice(0, 40) + '…' : s
+  const raw = comment.content ?? ''
+  const stripped = raw.replace(/^<ref:\d+>/, '')
+  const s = stripped.replace(/\s+/g, ' ').trim()
+  const content = s.length > 30 ? s.slice(0, 30) + '…' : s
+  return `${comment.authorName ?? ''}：${content}`
 }
 
 function quoteComment(comment: CommentResponse) {