gentle radish
Superposition implies multiple states per 1 object.
The idea is actually 1 state per 2 keys.
Between any 2 keys only a max of 1 can be inputted at any given time.
the intended use case is for A & D or W & S to prevent staying stationary when pressing both.
there are 2 main options I can imagine working
Preferring the deepest active key
Preferring the key activated most recently
I doubt anyone would want this but an inverse for both could be worth experimenting with.
The idea could also be scaled up to more than 2 keys in case you want or have a reason to block a specific key combination like ctrl + alt + delete.
if it were scaled up it might also be worth configuring how many keys per "zone".
This idea is based on older cheaper keyboards having only so many keys active at once & old keyboards with ? keys active per zone.