

You could use something like DroidCam to make your phone available as a web cam on your pc, then capture it with OBS or similar. Use a vpn to keep the devices on the same network.
You’d either have to leave the pc recording all the time or use remote desktop to start the recording.
Another option is to look at software to turn your pc into an NVR and find an app that essentially lets you use your phone like an IP Security Camera. Again, using a VPN to keep them in the same network.
I mean… Yeah. That’s why they went to a therapist…