From 9c2f9a99e36a37ffb83a77632205243aed84b607 Mon Sep 17 00:00:00 2001
From: klopez4212 <klopez4212@gmail.com>
Date: Sat, 27 Jun 2026 14:17:11 +0100
Subject: [PATCH] Stabilize virtualized timeline bottom pinning

---
 desktop/tests/e2e/relay-reconnect.spec.ts | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/desktop/tests/e2e/relay-reconnect.spec.ts b/desktop/tests/e2e/relay-reconnect.spec.ts
index beb050112..3ef54ada9 100644
--- a/desktop/tests/e2e/relay-reconnect.spec.ts
+++ b/desktop/tests/e2e/relay-reconnect.spec.ts
@@ -167,6 +167,22 @@ test("reconnect backfills more missed channel messages than the live subscriptio
     seenBeforeDisconnect,
   );
 
+  const timeline = page.getByTestId("message-timeline");
+  await expect
+    .poll(async () => {
+      return timeline.evaluate((element) => {
+        const scrollable = element as HTMLDivElement;
+        scrollable.scrollTop = scrollable.scrollHeight;
+        scrollable.dispatchEvent(new Event("scroll", { bubbles: true }));
+        return (
+          scrollable.scrollHeight -
+          scrollable.clientHeight -
+          scrollable.scrollTop
+        );
+      });
+    })
+    .toBeLessThan(8);
+
   await disconnectMockWebsockets(page);
 
   const missedMessages = Array.from({ length: 260 }, (_, index) => ({
@@ -177,7 +193,6 @@ test("reconnect backfills more missed channel messages than the live subscriptio
 
   // The newest backfilled message renders at the bottom once the reconnect
   // catch-up settles.
-  const timeline = page.getByTestId("message-timeline");
   await expect(timeline).toContainText("reconnect e2e missed 260", {
     timeout: 15_000,
   });