can now add nodes

website/scripts/ItemDragger.js

@@ -680,6 +680,23 @@ export class ItemDragger {
         this.#onActiveItemChange?.(id, pos);
     }
 
+    /**
+     * Unregisters a node that's being deleted.
+     *
+     * @param {string} nodeId
+     */
+    unregisterNode(nodeId) {
+        this.#itemPositions.delete(nodeId);
+        this.#applyTransform.delete(nodeId);
+        this.#dragRotation.delete(nodeId);
+        this.#dragOrigin.delete(nodeId);
+        
+        // Clear active if it's the deleted node
+        if (this.#activeId === nodeId) {
+            this.clearSelection();
+        }
+    }
+
     /**
      * Clear the current selection
      */