Unity-like prefab system

What Feature would you like to see included within TaleSpire?

I don’t know how complicated this would be to implement, but I am interested in a prefab slab library for the map creation process. I have seen similar ideas suggested before on these forums, where a user would have a local library of slabs that they can save and pull from whenever they need, but I was thinking something more akin to Unity’s prefab system.

What situations would this Feature be useful?

For example, say I made a modular slab out of a few preexisting tiles for one of my builds, such as this shelf here:

I would like to be able to save this locally to a list of slabs that I can reuse throughout talespire (or even campaign/board specific) with a custom name like “PantryShelf1”.

The key difference between this implementation and the other feature requests I have read is that I would like every shelf created from this prefab to be changed when the prefab is changed.

For example, if I have a whole room full of these shelves, and I remember an item or a component I forgot to add, I can just add it in the prefab, and it will be added to all the shelves matching the prefab id on the map.

Additional Thoughts/Details

I also see this being useful for adding lighting to maps, where instead of having to go through and add lights to each individual tile, one could simply make a prefab for the walls, and then modify it in post with the lights that they want.

This is quite similar to the method that many talespire builders use where they will create tile combinations on one side of the board away from the main build and simply copy paste them in. The main difference here being that the custom tile combinations in the main build will be updated when they are edited at the source.