라이브 인용문 아래 이동 수정

components/admin/AdminMarkdownEditor.vue

@@ -1829,20 +1829,30 @@ const onPreviewAppendParagraph = () => {
 
 /**
  * 라이브 모드에서 지정 줄 아래에 마크다운 줄을 삽입한다.
- * @param {{ afterLine: number, lines: string[] }} payload - 삽입 위치·줄
+ * @param {{ afterLine: number, lines: string[], focusLine?: number }} payload - 삽입 위치·줄
  * @returns {void}
  */
-const onPreviewInsertAfterLine = ({ afterLine, lines }) => {
+const onPreviewInsertAfterLine = ({ afterLine, lines, focusLine }) => {
   if (typeof afterLine !== 'number' || !Array.isArray(lines)) {
     return
   }
 
   const sourceLines = (markdownValue.value ?? '').split('\n')
+  const nextFocusLine = typeof focusLine === 'number'
+    ? focusLine
+    : afterLine + 1
+
   markdownValue.value = [
     ...sourceLines.slice(0, afterLine + 1),
     ...lines,
     ...sourceLines.slice(afterLine + 1)
   ].join('\n')
+
+  activeLogicalLineIndex.value = nextFocusLine
+
+  nextTick(() => {
+    previewRendererRef.value?.focusEditableAtLine(nextFocusLine, 0, 'start')
+  })
 }
 
 /**