https://lists.debian.org/debian-qt-kde/2023/04/msg00020.html
Bug#1034160: libkscreenlocker5: Screen locker crashes asking for loginctl command
screen lockerbugcrashesaskingcommand
https://play.google.com/store/apps/details?id=com.timelock.screenlock.timecode.current.time.password
Screen Locker: Time Passcode - Apps on Google Play
Screen locker uses phone current time to unlock which is your one time password
screen lockeron googletimepasscodeapps