{
  "sessionId":   "0f9ea092-c774-4624-bb10-8910ec03d1db",
  "redirectUrl": "https://coding-ui.kodemed.example/spiges/session/0f9ea092-c774-4624-bb10-8910ec03d1db/cases?token=eyJhbGciOiJIUzI1NiJ9...",
  "expiresAt":   "2026-06-01T20:00:00Z",
  "instanceId":  "his-eoc-2026-06-01-12345"
}
