You are not alone with your problems w\ the WCPv1.
I was working w\ Wyze in the DM to find the cause to some CP\CPL recording issues when my tests revealed that the cam is also not activating on motion as it should or tagging AI as it should. Same as you have reported.
The issues were never resolved. And I tried every remedy you did and then some. I am going to delete and reinstall when I get time, then flash back the FW to see if that fixes it.
Here is the original thread: