PVE Host on one VLAN, VMs on multiple other VLANs...how to tag PVE host vlan?

I'm an amateur setting up a more advanced home server and learning Proxmox; I have spent many many hours reading articles and the forums but I haven't come across a way to resolve my problem. I think the issue lies at the intersection of how Proxmox and Unifi work but I'm not a networking expert so I'm not sure if the solution lies in Proxmox, Unifi, or both.

Setup:
One physical NIC in the Proxmox box, connected to a Unifi switch.

VLAN 1 - default/untagged/users
VLAN 2 - IoT/user...

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