Event only on UI change

I have an automation (via node red) that lowers my shades with the sun position. My shades require an IFTTT integration so I have a manual cover configuration to get the normal cover entity and UI element. When the automation fires I update the cover sensor’s position so the UI is accurate. This is all well and good.

What I now want is to get a unique event when I manually set the cover position via the UI, so that I can disable the sun position automation for the rest of the day.

Since I’m updating the sensor position regardless, I can’t figure out how to get a specific event that is unique to a front end configuration change.

Ideas?