Get Graph Ir

curl --request GET \
  --url https://api.example.com/agent/graph

{
  "metadata": {
    "agent_name": "<string>",
    "root_id": "<string>",
    "warnings": [
      "<string>"
    ]
  },
  "nodes": [
    {
      "id": "<string>",
      "name": "<string>",
      "kind": "agent",
      "is_root": false,
      "description": "<string>",
      "model": "<string>",
      "loop_max_iterations": 123
    }
  ],
  "edges": [
    {
      "source": "<string>",
      "target": "<string>",
      "order": 123,
      "condition": "<string>",
      "label": "<string>"
    }
  ],
  "format_version": "1"
}