라이브 블록 상단 이탈과 인용 해제 보정

components/content/ContentMarkdownCodeBlockEditor.vue

@@ -26,7 +26,7 @@ const props = defineProps({
   }
 })
 
-const emit = defineEmits(['commit', 'insert-below', 'delete-line'])
+const emit = defineEmits(['commit', 'insert-above', 'insert-below', 'delete-line'])
 
 const languageDraft = ref(props.language)
 const lineNumbersEnabled = ref(props.showLineNumbers)
@@ -163,6 +163,7 @@ const toggleLineNumbers = () => {
       :model-value="modelValue"
       @input="onBodyInput"
       @commit="onBodyCommit"
+      @insert-above="emit('insert-above', $event)"
       @insert-below="onExitBelow"
       @delete-line="emit('delete-line', $event)"
     />