curl --request GET \
  --url https://archyon.app/api/schema \
  --header 'Authorization: Bearer <token>'

{
  "componentTypes": [
    {
      "id": "<string>",
      "name": "<string>",
      "color": "<string>",
      "icon": "<string>",
      "iconName": "<string>"
    }
  ],
  "relationTypes": [
    {
      "id": "<string>",
      "name": "<string>",
      "color": "<string>",
      "directed": true
    }
  ],
  "lifecycleStates": [
    {
      "id": "<string>",
      "name": "<string>",
      "color": "<string>"
    }
  ],
  "stakeholderLinkTypes": [
    {
      "id": "<string>",
      "name": "<string>",
      "color": "<string>",
      "icon": "<string>",
      "iconName": "<string>"
    }
  ]
}