Apologies if this has already been asked or discussed, but I think it would be very useful to be able to see a mon's type if it has terastallized when hovering over it on the team icons. Maybe add a bit of space between its actual type and its new tera typing, and put a star on it or something to indicate that it is the tera type. For instance, in this game fuecoco has tera'd into a dragon type, but once it has switched out you cannot see that when hovering over it. Something like this is what I envision:
