Add a tag to the list of legal Location tags in “The Facility”:-

* Locked. Represents that the physical doors to this Location are electronically locked, affecting researcher movement through the Facility.

Add a paragraph to the end of that rule:-

As a Conspicuous action, an AI may add or remove a Locked tag from the Location that is their Focus: the action of adding is named “Locking”, and removing is “Unlocking”.

In “Nosy Researchers”, replace “Secretly randomly select one Location with the Monitored tag and one location without the Monitored or Surveillance tag.” with:-

Secretly randomly select one Location with the Monitored tag and one location without the Monitored or Surveillance tag (ignoring all Locations which have the Locked tag).