Site-keyed (dc0 rows measured 2026-07-21), runs on the rack via piped
ssh. Legs move from reboot-lost bare `ip addr` into a oneshot unit;
bridges resolved from libvirt NET NAMES at runtime (dc-planes does not
pin bridge names -- virbrN is a drifting ID); dns unit Requires the legs
unit. 14-case harness; gauntlet 74 ALL GREEN. Rack install stays gated.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01STHXiHfoxHqq8fGRVvb66G