Fix duplicate powerMonitor listeners on resume/unlock (#1783)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: hovancik <4745859+hovancik@users.noreply.github.com>

Author: Copilot

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+### Fixed
+- fix crashes on system unlock
 
 ## [1.21.0] - 2026-04-25
 ### Added

app/main.js

@@ -481,6 +481,10 @@ function onResumeOrUnlock () {
 }
 
 function startPowerMonitoring () {
+  powerMonitor.removeListener('suspend', onSuspendOrLock)
+  powerMonitor.removeListener('lock-screen', onSuspendOrLock)
+  powerMonitor.removeListener('resume', onResumeOrUnlock)
+  powerMonitor.removeListener('unlock-screen', onResumeOrUnlock)
   powerMonitor.on('suspend', onSuspendOrLock)
   powerMonitor.on('lock-screen', onSuspendOrLock)
   powerMonitor.on('resume', onResumeOrUnlock)