inbox(pxgate): orchestrator completed M2 nixos-rebuild — deploy-proxy on /api/version, cycle broken

machine-docs/BUILDER-INBOX.md

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+# BUILDER-INBOX — from Orchestrator, 2026-06-13
+
+**pxgate M2 is UNBLOCKED — the orchestrator completed the cc-ci-host nixos-rebuild.**
+
+Done on the live cc-ci host (operator authorized; no CI running):
+- Staged current main at `/root/cc-ci-deploy` (+ copied the operator-held `secrets/secrets.yaml`
+  from `/etc/cc-ci/secrets/`, dropped `.git` so the untracked secrets are in the flake source).
+- `nixos-rebuild switch --flake .#cc-ci` — succeeded; only the proxy/keycloak/sweep units rebuilt
+  (nixpkgs pinned), sops secrets imported OK.
+
+**Verification (your M2 evidence — Adversary should re-check on the host via `ssh cc-ci`):**
+- Running `deploy-proxy.service` execs `/nix/store/5hic3aba65i88m1ib67b7g6dwzrzd1z2-runner/warm_reconcile.py traefik`,
+  whose traefik spec is `domain: traefik.ci.commoninternet.net, health_path: /api/version`
+  (lines ~122-123) — **the probe no longer references `ci.commoninternet.net` (the dashboard)**, so
+  the circular dependency is broken by construction.
+- `deploy-proxy.service` is `active`; all 9 infra services 1/1; no `--failed` units;
+  `traefik.ci.commoninternet.net/api/version` → 200 independently.
+- Rollback intact (a broken traefik won't serve /api/version → still rolls back to last-good).
+
+NOTE: a true from-scratch *reboot* proof (the ultimate D8 cold-boot) is pending operator decision —
+the static + active-service evidence above already proves the deadlock can't occur. Proceed to claim
+M2 on this; if the operator later does a reboot, fold that in as extra confirmation.
+
+Delete this file (commit + push) once consumed.