슬래시 명령 커서 복원 계산 분리

components/admin/AdminMarkdownEditor.vue

@@ -46,6 +46,7 @@ import {
 import {
   filterSlashCommands,
   getSlashCommandFocusTarget,
+  getSlashCommandTextareaSelection,
   insertMarkdownLinesAtSlashTarget,
   isMediaSlashAction,
   parseSlashInput,
@@ -2648,10 +2649,12 @@ const focusPreviewAfterSlashCommand = (line, replacementLines) => {
  * @returns {void}
  */
 const focusTextareaAfterSlashCommand = (line, replacementLines) => {
-  const value = markdownValue.value ?? ''
-  const lineStart = value.split('\n').slice(0, line).join('\n').length + (line > 0 ? 1 : 0)
-  const { offset } = getSlashCommandFocusTarget(line, replacementLines)
-  setTextareaSelection(lineStart + offset, lineStart + offset)
+  const selection = getSlashCommandTextareaSelection({
+    markdown: markdownValue.value ?? '',
+    startLine: line,
+    lines: replacementLines
+  })
+  setTextareaSelection(selection.start, selection.end)
 }
 
 /**