Minecraft 1.19.2
fabric-api-0.60.0+1.19.2
malilib-fabric-1.19.2-0.13.0
litematica-fabric-1.19.2-0.12.4

So as i mention in the title i tried to use hotkeys in this 3 options and nothing worked.
I was with the stick in my hand, in the Area Selection [1/9], but it still not work. (for the AddSelectionBox and DeleteSelectionBox for example)

I believe this is a bug, or maybe just not implemented correctly.
I hope i can get a response on what i should do (waiting, fixing something that i did wrong, or maybe go to discord if that's the case...)

Thanks for the time spend on this. Much luck and success to you.

Already know what happend:
I need to have the "Area Selection Mode" in Normal Mode and not in Simple Mode.