Founder rule: every Technitium/DNS/DHCP change ends with a same-session
SoR sync — zone-snapshot.sh then drift-check green, then commit. Added
the tool (tar-pulls the DZ store from the primary via the chokepoint),
wrote the rule into AGENTS.md (DNS change discipline + Key Scripts rows),
refreshed 4 stale snapshots (knel.net, 1/3.168.192 reverse, 119.70.100
— incl. the deleted ultix-offstage PTR). drift-check: ALL IN SYNC.
Also: last tsrouter mentions retired (AGENTS.md, setup.sh header).
Founder ruling 2026-09-02: tailscale-router retired, subnet routing now
pfv-netinfra-01/02 (both advertise 192.168.0.0/22 + exit routes, verified).
Drop dead tsrouter alias from the chokepoint script; setup/verify now use
the primary as production source; refresh verify record list (tsys-nsm is
also a dead name; add tsys-wazuh CNAME + tsys-siem).
archive/KNELServerBuild copies left as read-only history by design.