Live SG connectivity test

{
  "status": "ok",
  "build": "sg-web-3.1-reader-20260923",
  "checks": [
    {
      "backend": "sg1",
      "ok": true,
      "elapsed_ms": 21.6,
      "result": "{\"utc\":\"2026-10-04T00:19:22.059596+00:00\",\"uk\":\"2026-10-04T01:19:22.059596+01:00\",\"day\":\"Sunday\",\"date_uk\":\"2026-10-04\",\"time_uk\":\"01:19:22\",\"epoch\":1791073162}"
    },
    {
      "backend": "sg2",
      "ok": true,
      "elapsed_ms": 18.4,
      "result": "{\"utc\":\"2026-10-04T00:19:22.055086+00:00\",\"uk\":\"2026-10-04T01:19:22.055086+01:00\",\"day\":\"Sunday\",\"date_uk\":\"2026-10-04\",\"time_uk\":\"01:19:22\",\"epoch\":1791073162}"
    }
  ],
  "tested_at_utc": "2026-10-04T00:19:22Z"
}