I Reddit exclusively on my desktop now, not on mobile where I did most of my browsing. I also pared back my usage to fewer communities.

I use Discuit primarily now, checking Lemmy (Beehaw mostly) very occasionally.

Mouse jiggler that sits underneath your mouse. Plug your mouse into the work computer, plug the jiggler into something else.

You can buy USB-powered manual mouse jigglers. Just plug it into something that isn't your work PC. Set your work mouse on top. Voila.