honestly it could just be like “i examine this room”, meaning that, if anything was there, you’d see other important or at least interesting stuff, not just traps or not traps. GM could even do perception checks behind the screen (like it’s done in PF2e) and describe something the character found interesting in the room, no matter the roll. you could examine the room, get described many beautiful paintings and fall on a very obvious trap because you rolled a 1