From b3430e3a5c5fdbd158fc1b5aa5c524b6aa2f41be Mon Sep 17 00:00:00 2001
From: jamesread <contact@jread.com>
Date: Wed, 21 Jan 2026 23:12:39 +0000
Subject: [PATCH] fix: execOnCalendarFile, avoid possible crash deleting nil
 timers

---
 service/internal/oncalendarfile/calendar.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/service/internal/oncalendarfile/calendar.go b/service/internal/oncalendarfile/calendar.go
index 4d424fb..21d8ba0 100644
--- a/service/internal/oncalendarfile/calendar.go
+++ b/service/internal/oncalendarfile/calendar.go
@@ -132,7 +132,10 @@ func registerTimer(action *config.Action, instant time.Time, timer *time.Timer,
 
 func unregisterTimer(action *config.Action, instant time.Time) {
 	scheduleMapMutex.Lock()
-	delete(scheduleMap[action.ID].timers, instant)
+	v := scheduleMap[action.ID]
+	if v.timers != nil {
+		delete(v.timers, instant)
+	}
 	scheduleMapMutex.Unlock()
 }