Port focalor and valefar into ark #12

Merged ptr.pet
targeting terra
Merged opened by and assigned to ptr.pet
targeting terra

Ports focalor and valefar into ark. Valefar system build and NAT test pass; deployed live as generation 110 on 2026-09-28 without reboot. SSH, PVE/VMs, ZFS, mesh, Searx, CUPS, Docker etcd, and media services verified. Focalor evaluates, but full CUDA build remains pending; focalor not deployed.

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