curl --request GET \
  --url https://api.tiro.ooo/v1/external/workspaces/{workspaceGuid}/wiki/graph/expand \
  --header 'Authorization: Bearer <token>'

{
  "nodes": [
    {
      "guid": "page_abc123",
      "canonicalName": "Alice Kim",
      "pageType": "ENTITY",
      "extractionStatus": "EXTRACTED",
      "mentionCountVisible": 5,
      "entitySubtype": "PERSON"
    }
  ],
  "edges": [
    {
      "guid": "link_abc123",
      "sourcePageGuid": "page_src_123",
      "targetPageGuid": "page_tgt_456",
      "linkType": "works_at",
      "linkTypeDisplayKo": "근무처",
      "linkTypeDisplayEn": "Works At",
      "isDirectional": true
    }
  ]
}