feat: highlight selected node

public/scripts/components/DrawerComponent.js

@@ -5,6 +5,7 @@ class DrawerComponent {
         this.detailsDrawerContent = null;
         this.detailsDrawerBackdrop = null;
         this.activeDrawerComponent = null;
+        this.onCloseCallback = null;
     }
 
     // Determine if we should use desktop drawer behavior
@@ -57,8 +58,9 @@ class DrawerComponent {
         });
     }
 
-    openDrawer(title, contentCallback, errorCallback) {
+    openDrawer(title, contentCallback, errorCallback, onCloseCallback) {
         this.ensureDrawer();
+        this.onCloseCallback = onCloseCallback;
 
         // Set drawer title
         const titleEl = this.detailsDrawer.querySelector('.drawer-title');
@@ -101,6 +103,12 @@ class DrawerComponent {
     closeDrawer() {
         if (this.detailsDrawer) this.detailsDrawer.classList.remove('open');
         if (this.detailsDrawerBackdrop) this.detailsDrawerBackdrop.classList.remove('visible');
+        
+        // Call close callback if provided
+        if (this.onCloseCallback) {
+            this.onCloseCallback();
+            this.onCloseCallback = null;
+        }
     }
 
     // Clean up drawer elements