From cd5d1c0958549024450fd2766f97edb4d98fe356 Mon Sep 17 00:00:00 2001
From: Siddharth Ganesan <33737564+Sg312@users.noreply.github.com>
Date: Thu, 4 Dec 2025 10:55:26 -0800
Subject: [PATCH] fix(executor): nested error activation (#2184)

---
 apps/sim/executor/execution/edge-manager.ts | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/apps/sim/executor/execution/edge-manager.ts b/apps/sim/executor/execution/edge-manager.ts
index 1ce766139..86fd55599 100644
--- a/apps/sim/executor/execution/edge-manager.ts
+++ b/apps/sim/executor/execution/edge-manager.ts
@@ -17,6 +17,7 @@ export class EdgeManager {
     skipBackwardsEdge = false
   ): string[] {
     const readyNodes: string[] = []
+    const activatedTargets: string[] = []
 
     for (const [edgeId, edge] of node.outgoingEdges) {
       if (skipBackwardsEdge && this.isBackwardsEdge(edge.sourceHandle)) {
@@ -44,9 +45,14 @@ export class EdgeManager {
       }
 
       targetNode.incomingEdges.delete(node.id)
+      activatedTargets.push(edge.target)
+    }
 
-      if (this.isNodeReady(targetNode)) {
-        readyNodes.push(targetNode.id)
+    // Check readiness after all edges processed to ensure cascade deactivations are complete
+    for (const targetId of activatedTargets) {
+      const targetNode = this.dag.nodes.get(targetId)
+      if (targetNode && this.isNodeReady(targetNode)) {
+        readyNodes.push(targetId)
       }
     }