From 6c764f211a459fcdfed12b108b9f414f68255a11 Mon Sep 17 00:00:00 2001
From: Mohamed Boudra <boudra.moha@gmail.com>
Date: Sat, 11 Jul 2026 11:12:28 +0200
Subject: [PATCH] fix(app): stop updates after chat teardown (#1997)

Plain chat views started the history virtualizer even without virtualized rows. Its delayed scroll callback could outlive the mounted view and make the app test job fail during environment teardown.
---
 packages/app/src/agent-stream/strategy-web.tsx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packages/app/src/agent-stream/strategy-web.tsx b/packages/app/src/agent-stream/strategy-web.tsx
index 15b552039..60a0ad961 100644
--- a/packages/app/src/agent-stream/strategy-web.tsx
+++ b/packages/app/src/agent-stream/strategy-web.tsx
@@ -152,6 +152,7 @@ function WebStreamViewport(props: StreamRenderInput & { isMobileBreakpoint: bool
 
   const rowVirtualizer = useVirtualizer({
     count: segments.historyVirtualized.length,
+    enabled: shouldUseVirtualizer,
     getScrollElement: () => scrollContainerRef.current,
     getItemKey: (index: number) => segments.historyVirtualized[index]?.id ?? index,
     estimateSize: (index: number) => {