Just ask yourself one question: is your household OK with networking going offline when you need to reboot proxmox?

If the answer is yes, then by all means save yourself some hardware and virtualize it.

If the answer is no, then baremetal OPNsense on a miniPC is the way.

“Done”, until the complexity of being an out of tree kernel driver causes yet another issue… suspend has been broken for months on 615+ series

Did you ever consider giving more then lip service to the projects that “inspired” you? Or did you not think any further than self promotion after your AI built on top of these projects?

I guess those are rhetorical questions, because I know the answer: it was easier not to think at all.