Hi,
my suggestion is to have the possibility the create Folders, like on VMWare or even Active directory, to organize the VMS eg:
proxmox-1/
├─ development/
│ ├─ project-1/
│ │ ├─ vm1
│ │ ├─ vm2
├─ production/
│ ├─ project-1/
│ │ ├─ vm1
instead of the current one:
proxmox-1/
├─...