Anyone that claims to speak on behalf of the universe is either a liar or a fool
If you dont want to do a router on a stick, mabe your minipc has a WiFi socket you’re not using. You can get an m.2 A key to gigabit Ethernet adapter. Theyre mostly realtek chips but in my experience they work fine in opnsense.
https://forum.proxmox.com/threads/virtiofsd-in-pve-8-0-x.130531/
I haven’t tried it yet but it is definitely something I wanna do when I rebuild some of my services. Apparently its soon on the way to be implemented in proxmox webui but for now you have to hack it in. Or at least that was the case when I read the thread a few months ago.
https://www.pckeyboard.com/page/category/UKBD