curl --request POST \
  --url https://api.galtea.ai/evaluations/fromSessions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "sessionIds": [
    "ses_123",
    "ses_456"
  ],
  "versionId": "ver_123",
  "metrics": [
    {
      "id": "metric_123",
      "name": "Example Name",
      "score": 0.95
    }
  ],
  "specificationIds": [
    "<string>"
  ]
}
'

{
  "sessionsEvaluated": 123,
  "sessionsFailed": 123,
  "evaluationsCreated": 123,
  "failures": [
    {
      "sessionId": "<string>",
      "error": "<string>"
    }
  ],
  "message": "<string>",
  "totalSessionsAvailable": 123,
  "truncated": true
}