Maybe the November update "Customize your Lock screen " feature below have anything to do with it?
Noticed that even when phone screen is open\unlocked and I ask PC Phone Link to reconnect the phone display, The PCs phone link will tell me that I need to "unlock", which doesn't seem possible.
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Galaxy S22 Ultra (SM-S908U)
Build Number : S908USQU2BVL1
Android version : T(Android 13)
Release Date : 2022-12-22
Security patch level : 2022-12-01
Build Number : S908USQU2BVJA
Android version : T(Android 13)
Release Date : 2022-10-29
Security patch level : 2022-10-01
One UI 5 Upgrade (Android 13)
Customization
Customize your Lock screen
Just touch and hold the Lock screen to edit. What could be simpler? Customize your wallpaper, clock style, notification settings, and more, with live preview, all in one place.
Happy holidays!