From a17590b5f9c792d21bdf74af93db1d993de34785 Mon Sep 17 00:00:00 2001
From: J-Karthikeyan <jkarthik2611@gmail.com>
Date: Fri, 10 Apr 2026 21:50:50 +0530
Subject: [PATCH 1/2] fix(test-timer): clear slow timer notifications on test
 restart

---
 frontend/src/ts/states/notifications.ts | 12 +++++++-----
 frontend/src/ts/test/test-timer.ts      | 12 ++++++++++--
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/frontend/src/ts/states/notifications.ts b/frontend/src/ts/states/notifications.ts
index d003750fb3d8..503c49296815 100644
--- a/frontend/src/ts/states/notifications.ts
+++ b/frontend/src/ts/states/notifications.ts
@@ -115,7 +115,7 @@ export function addNotificationWithLevel(
   message: string,
   level: NotificationLevel,
   options: AddNotificationOptions = {},
-): void {
+): number {
   let details = options.details;
 
   if (options.response !== undefined) {
@@ -174,13 +174,15 @@ export function addNotificationWithLevel(
     }, durationMs + 250);
     autoRemoveTimers.set(notifId, timer);
   }
+
+  return notifId;
 }
 
 export function showNoticeNotification(
   message: string,
   options?: AddNotificationOptions,
-): void {
-  addNotificationWithLevel(message, "notice", options);
+): number {
+  return addNotificationWithLevel(message, "notice", options);
 }
 
 export function showSuccessNotification(
@@ -193,6 +195,6 @@ export function showSuccessNotification(
 export function showErrorNotification(
   message: string,
   options?: AddNotificationOptions,
-): void {
-  addNotificationWithLevel(message, "error", options);
+): number {
+  return addNotificationWithLevel(message, "error", options);
 }
diff --git a/frontend/src/ts/test/test-timer.ts b/frontend/src/ts/test/test-timer.ts
index 26cf66b694e3..cff4ac39940d 100644
--- a/frontend/src/ts/test/test-timer.ts
+++ b/frontend/src/ts/test/test-timer.ts
@@ -14,6 +14,7 @@ import * as Numbers from "@monkeytype/util/numbers";
 import {
   showNoticeNotification,
   showErrorNotification,
+  removeNotification,
 } from "../states/notifications";
 import * as Caret from "./caret";
 import * as SlowTimer from "../legacy-states/slow-timer";
@@ -52,6 +53,7 @@ type TimerStats = {
 };
 
 let slowTimerCount = 0;
+let slowTimerNotifIds: number[] = [];
 let timer: NodeJS.Timeout | null = null;
 const interval = 1000;
 let expected = 0;
@@ -282,8 +284,10 @@ function checkIfTimerIsSlow(drift: number): void {
         'This could be caused by "efficiency mode" on Microsoft Edge.',
       );
 
-      showErrorNotification(
-        "Stopping the test due to bad performance. This would cause test calculations to be incorrect. If this happens a lot, please report this.",
+      slowTimerNotifIds.push(
+        showErrorNotification(
+          "Stopping the test due to bad performance. This would cause test calculations to be incorrect. If this happens a lot, please report this.",
+        ),
       );
 
       timerEvent.dispatch({ key: "fail", value: "slow timer" });
@@ -294,6 +298,10 @@ function checkIfTimerIsSlow(drift: number): void {
 export async function start(): Promise<void> {
   SlowTimer.clear();
   slowTimerCount = 0;
+  for (const id of slowTimerNotifIds) {
+    removeNotification(id, "clear");
+  }
+  slowTimerNotifIds = [];
   void _startNew();
   // void _startOld();
 }

From c288fe879228e5aa0473d3ab98fa85b73916e0b5 Mon Sep 17 00:00:00 2001
From: J-Karthikeyan <jkarthik2611@gmail.com>
Date: Fri, 10 Apr 2026 22:08:34 +0530
Subject: [PATCH 2/2] fix(notifications): make showSuccessNotification return
 notification id

---
 frontend/src/ts/states/notifications.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/frontend/src/ts/states/notifications.ts b/frontend/src/ts/states/notifications.ts
index 503c49296815..3108c1594d1d 100644
--- a/frontend/src/ts/states/notifications.ts
+++ b/frontend/src/ts/states/notifications.ts
@@ -188,8 +188,8 @@ export function showNoticeNotification(
 export function showSuccessNotification(
   message: string,
   options?: AddNotificationOptions,
-): void {
-  addNotificationWithLevel(message, "success", options);
+): number {
+  return addNotificationWithLevel(message, "success", options);
 }
 
 export function showErrorNotification(