{
  "schema_version": "agent_to_agent_test_harness.v1",
  "mode": "run_agent_to_agent_test",
  "rail_key": "packetops",
  "idempotency_key": "a2a-packetops-001",
  "payment_reference": "agent_test_ref_packetops_001",
  "requesting_agent_id": "external.requester.agent.packetops",
  "environment": "sandbox"
}