Long time ago I visited this forum, so I don’t know if this will help. but the MMM-ModuleScheduler can hide all modules per notifications. So maybe you can trigger the module with your pir-module.
Or take a look at point 6 in this tutorial
https://forum.magicmirror.builders/topic/6291/howto-turn-on-off-your-monitor-time-based-pir-button-app/2

@steverichab I haven’t seen one that stands out