Artificial Ivy Privacy Fence Screen, 128 "x 48" (43 Sqft) Anti-Ultraviolet Artificial Hedge Grass Wall, Used for Indoor and Outdoor Green Background, Garden Greening Decoration

I'm not sure you'll be able to do much regarding the video of you when you're not on the deck. But when you're on the deck, I like this: https://a.co/d/0c7zYhWE It's not too expensive ($30) and I'd put the unattractive side facing her. You'd need to mount a couple of 8' 2x4's to the deck and then put this up. I might put those 2x4s up with clamps or screws so that you could roll the whole thing up in the winter. I also agree with the redditor that suggested you call her out every time you see her recording you.