Step Queries

# Get step execution history
query {
  stepHistory(
    threadId: "thread-123"
    stepName: "payment_processed"
    limit: 100
  ) {
    attempt
    timestamp
    status
    duration
    actor
  }
}

# Get step with sub-steps
query {
  thread(id: "thread-123") {
    steps(stepName: "payment_processing") {
      stepName
      status
      subSteps {
        name
        status
        payload
      }
    }
  }
}