From 8b92abcce960021e7a8f1a8f49e519dca2eb2361 Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Sat, 21 Feb 2026 22:10:43 -0800
Subject: [PATCH] fix: handle undefined from eventQueue.shift() in SDK engine

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .../engines/claude-agent-sdk/claude-agent-sdk-engine.ts         | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/services/agent-service/src/infrastructure/engines/claude-agent-sdk/claude-agent-sdk-engine.ts b/packages/services/agent-service/src/infrastructure/engines/claude-agent-sdk/claude-agent-sdk-engine.ts
index 3f22add..5205cc3 100644
--- a/packages/services/agent-service/src/infrastructure/engines/claude-agent-sdk/claude-agent-sdk-engine.ts
+++ b/packages/services/agent-service/src/infrastructure/engines/claude-agent-sdk/claude-agent-sdk-engine.ts
@@ -174,7 +174,7 @@ export class ClaudeAgentSdkEngine implements AgentEnginePort {
 
         while (eventQueue.length > 0) {
           const event = eventQueue.shift();
-          if (event === null) return;
+          if (event === null || event === undefined) return;
           yield event;
         }
       }