From 6db282178153d5eb6d7816246b8c9e41e2aa2a22 Mon Sep 17 00:00:00 2001
From: Vladislav Syrochkin <vlad.dev@heado.ru>
Date: Thu, 7 Aug 2025 13:02:52 +0500
Subject: [PATCH] refactor(react-flow): add existing nodes validate

---
 client/src/components/ReactFlowDrawer.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/src/components/ReactFlowDrawer.tsx b/client/src/components/ReactFlowDrawer.tsx
index 30a0269..b46e7da 100644
--- a/client/src/components/ReactFlowDrawer.tsx
+++ b/client/src/components/ReactFlowDrawer.tsx
@@ -190,7 +190,7 @@ export default function ReactFlowDrawer({ showDrawer }: ReactFlowDrawerProps) {
   const existingNodes = nodes
     .filter((node) => node.id !== selectedHandleId?.split("-")[0])
     .filter((node) => {
-      if (!selectedHandleId) return false;
+      if (!selectedHandleId || node.type === "startNode") return false;
       const [sourceNodeId, sourceHandleId] = selectedHandleId.split("-");
       return !edges.some(
         (edge) =>