Plotting the percentage of power that klipper use would help.
Did yo utried to make the head move cold, without extruding, to see if it have weird behavior ?

Isn’t it because of an extruding speed change ?

You gotta exit your vehicule at some point

I don’t know about the UX, but if you want peoples to use your app, it need to look nice.

If only it didn’t looked like a 20 year old software.