curl --request POST \
  --url https://api.pictify.io/experiments/api/{uid}/complete \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "winnerVariantId": "variant-a"
}
'

{
  "experiment": {
    "uid": "exp_abc123",
    "slug": "homepage-hero-test",
    "name": "Homepage Hero A/B Test",
    "variants": [
      {
        "id": "variant-a",
        "weight": 5000,
        "name": "New Design",
        "templateUid": "<string>",
        "variables": {},
        "isDefault": false,
        "conditions": {
          "children": "<array>",
          "property": "<string>",
          "value": "<unknown>"
        },
        "schedule": {
          "startAt": "2023-11-07T05:31:56Z",
          "endAt": "2023-11-07T05:31:56Z",
          "recurrence": {
            "type": "none",
            "cronExpression": "<string>",
            "timezone": "America/New_York"
          }
        },
        "impressions": 123,
        "clicks": 123
      }
    ],
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z",
    "templateUid": "tmpl_xyz789",
    "goalConfig": {
      "type": "impressions_only",
      "destinationUrl": "<string>"
    },
    "banditConfig": {
      "enabled": false,
      "algorithm": "thompson_sampling",
      "warmupImpressions": 50,
      "recomputeIntervalMinutes": 15
    },
    "hypothesis": "<string>",
    "minimumSampleSize": 1000,
    "confidenceThreshold": 0.95,
    "minimumRunDays": 7,
    "winnerVariantId": "<string>",
    "winnerDeclaredAt": "2023-11-07T05:31:56Z",
    "fallbackImageUrl": "<string>",
    "outputConfig": {
      "format": "png",
      "quality": 90
    }
  }
}