fix remove

src/routes/+page.svelte

@@ -63,11 +63,14 @@
 		edges: Edge[];
 	}) {
 		if (selectedNodes.length === 0) return Promise.resolve(false);
-		const confirmed = confirm('Are you sure you want to delete this chat?');
-		if (!confirmed) return Promise.resolve(false);
 
 		const nodesBelow = getNodesAssociatedWith(selectedNodes[0].id, nodes, edges);
 		const nodesToDelete = [...selectedNodes, ...nodesBelow];
+
+		if (nodesToDelete.length > 1) {
+			const confirmed = confirm('Are you sure you want to delete this chat?');
+			if (!confirmed) return Promise.resolve(false);
+		}
 		const nodeIdsToDelete = new Set(nodesToDelete.map((n) => n.id));
 		const edgesToDelete = edges.filter(
 			(e) => nodeIdsToDelete.has(e.source) || nodeIdsToDelete.has(e.target)