There's totally an easy fix. Buy a squirt gun, and shoot your windshield near the camera whenever you need a wipe.
Edit: ooh, better yet, make a magnetic hood ornament with a squirt gun and a camera pointing at the lower half of the windshield... add GPT4o and Bob's your uncle!
You could have a graduated dial to control the squirt gun. Off, then intermittent water squirts, then light, and finally heavy. You could put it on a stalk coming off the wheel area and have complete control of the wipers.
With your GPT-4 solution you could even have 'auto'!
Edit: ooh, better yet, make a magnetic hood ornament with a squirt gun and a camera pointing at the lower half of the windshield... add GPT4o and Bob's your uncle!