query SidekickCreditUsageByDay($input: SidekickCreditUsageByDayInput!) {
  sidekickCreditUsageByDay(input: $input) {
    days {
      day {
        unixTimestamp
        iso8601
      }
      credits
      sessionCount
    }
  }
}

{
  "input": {
    "from": "string",
    "to": "string"
  }
}

{
  "data": {
    "sidekickCreditUsageByDay": {
      "days": [
        {
          "day": {
            "unixTimestamp": "string",
            "iso8601": "string"
          },
          "credits": 1,
          "sessionCount": 1
        }
      ]
    }
  }
}