Working but no workers in use?

I’m using this plugin, and I don’t see any workers or routes created. It’s working well it seems, and bypasses the cache (somehow) for logged-in users, which I was looking for, without cookie-bypass page rules that are only avail on the $200/mo Cloudflare Business plan.

Is it really using workers or just Cache Everything page rules? How is it bypassing the cache, without using cookie-bypass?