From ea61856021376c2db485160a1230aec5286b4889 Mon Sep 17 00:00:00 2001
From: YeonGyu-Kim <code.yeon.gyu@gmail.com>
Date: Mon, 9 Mar 2026 23:37:12 +0900
Subject: [PATCH] Fix session notification scheduler notification check

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
---
 src/hooks/session-notification-scheduler.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/hooks/session-notification-scheduler.ts b/src/hooks/session-notification-scheduler.ts
index 367ca5dcb..6b8387d5f 100644
--- a/src/hooks/session-notification-scheduler.ts
+++ b/src/hooks/session-notification-scheduler.ts
@@ -67,7 +67,11 @@ export function createIdleNotificationScheduler(options: {
 
   function markSessionActivity(sessionID: string): void {
     const scheduledTime = scheduledAt.get(sessionID)
-    if (scheduledTime && Date.now() - scheduledTime < activityGracePeriodMs) {
+    if (
+      activityGracePeriodMs > 0 &&
+      scheduledTime !== undefined &&
+      Date.now() - scheduledTime <= activityGracePeriodMs
+    ) {
       return
     }