curl --request POST \
  --url http://localhost:8080/api/agents/samples/create \
  --header 'X-API-KEY: <api-key>' \
  --header 'X-API-SECRET: <api-key>'

{
  "message": "Sample agent created successfully",
  "status": "success",
  "error": null,
  "data": {
    "agent_id": "agent_sample_1640995200000",
    "organization_id": "org_456",
    "agent_name": "Sample Agent",
    "begin_message": "Hello! I'm a sample AI agent. How can I help you today?",
    "test_variables": {
      "sample": "true",
      "created_at": "2024-01-01T00:00:00Z"
    }
  }
}