다이어그램 지원 추가

packages/frontend/src/App.vue

@@ -15,13 +15,29 @@ const viewKey = computed(() => {
   if (route.name === 'rhwp-editor') {
     return 'rhwp-editor';
   }
+  if (
+    route.name === 'excalidraw-editor' ||
+    route.name === 'mermaid-editor' ||
+    route.name === 'drawio-editor'
+  ) {
+    return String(route.name);
+  }
   return String(route.fullPath);
 });
 </script>
 
 <template>
   <RouterView v-slot="{ Component }">
-    <KeepAlive :include="['OnlyOfficeEditorView', 'RhwpEditorView']" :max="6">
+    <KeepAlive
+      :include="[
+        'OnlyOfficeEditorView',
+        'RhwpEditorView',
+        'ExcalidrawEditorView',
+        'MermaidEditorView',
+        'DrawioEditorView',
+      ]"
+      :max="8"
+    >
       <component :is="Component" :key="viewKey" />
     </KeepAlive>
   </RouterView>