Discover: sideBar trace done.

src/main.js

@@ -10,6 +10,7 @@ import mitt from 'mitt';
 import ToastPlugin from 'vue-toast-notification';
 import cytoscape from 'cytoscape';
 import dagre from 'cytoscape-dagre';
+import popper from 'cytoscape-popper';
 
 // import CSS
 import "./assets/main.css";
@@ -50,6 +51,7 @@ app.config.globalProperties.$cytoscape = cytoscape;
 
 // Cytoscape.js's style
 cytoscape.use( dagre );
+cytoscape.use( popper );
 
 app.use(pinia);
 app.use(router);