{
  "Comment": "MPR Transcode Job - orchestrates Lambda-based media transcoding",
  "StartAt": "Transcode",
  "States": {
    "Transcode": {
      "Type": "Task",
      "Resource": "${TranscodeLambdaArn}",
      "TimeoutSeconds": 900,
      "Retry": [
        {
          "ErrorEquals": ["States.TaskFailed", "Lambda.ServiceException"],
          "IntervalSeconds": 10,
          "MaxAttempts": 2,
          "BackoffRate": 2.0
        }
      ],
      "Catch": [
        {
          "ErrorEquals": ["States.ALL"],
          "Next": "HandleError",
          "ResultPath": "$.error"
        }
      ],
      "Next": "Done"
    },
    "HandleError": {
      "Type": "Pass",
      "Parameters": {
        "status": "failed",
        "job_id.$": "$.job_id",
        "error.$": "$.error.Cause"
      },
      "Next": "Done"
    },
    "Done": {
      "Type": "Succeed"
    }
  }
}