I finished making a lantern wall, here are photos of it in all its configurations:

Off:

On, room lights on:

On, room lights off:

I built each circuit by hand (due to size of smallest lanterns) and wrote out plenty of notes. For further reading, please see the GitHub repo:

https://github.com/twolfson/lantern-wall

There's also a photo album but it's probably less meaningful without context:

https://drive.google.com/drive/folders/1h23Px1IOjGWnXOu8yB6WGrw3N42IKGuf?usp=sharing