From ff216aa5b8042eb42cd0d3b43fb2136d880b3640 Mon Sep 17 00:00:00 2001
From: shrimbly <falloon.willie@gmail.com>
Date: Mon, 13 Apr 2026 07:58:05 +1200
Subject: [PATCH] fix: filter orphaned edges referencing non-existent nodes on
 load

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
---
 src/store/workflowStore.ts | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/store/workflowStore.ts b/src/store/workflowStore.ts
index 9f95e051..63f00de4 100644
--- a/src/store/workflowStore.ts
+++ b/src/store/workflowStore.ts
@@ -2145,6 +2145,12 @@ const workflowStoreImpl: StateCreator<WorkflowStore> = (set, get) => ({
       workflow.edges = Array.from(edgeById.values());
     }
 
+    // Filter orphaned edges referencing non-existent nodes
+    const nodeIds = new Set(workflow.nodes.map((n) => n.id));
+    workflow.edges = workflow.edges.filter(
+      (edge) => nodeIds.has(edge.source) && nodeIds.has(edge.target)
+    );
+
     // Look up saved config from localStorage (only if workflow has an ID)
     const configs = loadSaveConfigs();
     const savedConfig = workflow.id ? configs[workflow.id] : null;