Hi,
apologies if a request like this exists, I could not find it.
As many others I have multiple AMS connected to the right nozzle. The left one I often feed manually.
During the filament change it is incredibly hard (for me) to see if the filament is extruding - especially for dark filaments as you are looking at a dark stream of filament going into a black hole in the shadow of the printhead.
I have a flashlight next to the printer to have a look if the filament is extruding.
Could you just turn on the camera light on the printhead during the first extrusion in the filament change process?