POST /api/ATLASi/ISP/UpdateInitialConditions

curl -X POST "/api/ATLASi/ISP/UpdateInitialConditions" \
  -H "Authorization: $ATLAS_ETRM_API_DOCUMENTATION_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "data": {
    "minDispatchPeriod": 0,
    "maxDispatchPeriod": 0,
    "timestep": 0,
    "date": "2026-01-15",
    "payload": [
      {
        "entityId": 0,
        "entityName": "string",
        "powerOutput": 0,
        "operatingTime": 0,
        "desyncState": true,
        "startupType": 1
      }
    ],
    "startupTypes": [
      {
        "id": 0,
        "name": "string"
      }
    ]
  }
}'

{
  "success": true,
  "errorCode": "string",
  "errorMessage": "string",
  "warningMessage": "string",
  "infoMessage": "string",
  "recordCount": 0,
  "data": null
}