{
  "ok": true,
  "test": "temporary-read-only-connectivity",
  "context": {
    "ingressColo": "CMH",
    "placementHeader": null,
    "expiresAt": "2026-11-11T13:30:00Z"
  },
  "targets": [
    "login",
    "static",
    "audio"
  ],
  "note": "No login or student data. Placement tests do not prove China-optimized ingress."
}