If you use Google Assistant as default, when your screen is locked and off and you press the headphones, does it wake ur screen with a black assistant pop up at the bottom?
I thought they were going to fix it in UI 7 like it used to work before (and still does for other android phones). First time you would plug or connect headphones a pop up window would appear to configure them with assistant and then they would appear on assistant>Devices. And you could use the assistant without ur screen waking up, like I use assistant with headphones while phone is in my pocket, why would I want my screen turning on (I've tried all settings and it even happens with gemini).
This is the pop up to configure the assistant with headphones that used to appear not long ago (and still does for other a android phones like my friend who has a pixel 9 pro).