curl --request POST \
  --url https://api.avidoai.com/v0/experiments/{id}/variants \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --header 'x-application-id: <api-key>' \
  --data '
{
  "configPatch": {
    "llm": {
      "model": "reasoning"
    }
  },
  "title": "Variant A",
  "description": "Switch to reasoning model",
  "parentId": "123e4567-e89b-12d3-a456-426614174000"
}
'

{
  "data": {
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "experimentId": "123e4567-e89b-12d3-a456-426614174000",
    "createdAt": "2024-01-05T12:34:56.789Z",
    "modifiedAt": "2024-01-05T12:34:56.789Z",
    "title": "Credit Card Block",
    "description": "Wants to block their credit card",
    "configPatch": {
      "llm": {
        "model": "reasoning"
      }
    },
    "config": {
      "llm": {
        "model": "reasoning"
      }
    },
    "parentId": "123e4567-e89b-12d3-a456-426614174000",
    "result": {
      "passed": 4503599627370495,
      "failed": 4503599627370495,
      "total": 4503599627370495,
      "passRate": 50,
      "averageScore": 0.5,
      "evals": [
        {
          "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
          "name": "<string>",
          "passed": 4503599627370495,
          "failed": 4503599627370495,
          "total": 4503599627370495,
          "passRate": 50,
          "averageScore": 0.5
        }
      ]
    },
    "progress": {
      "completed": 5,
      "total": 10
    }
  }
}