curl --request POST \
  --url http://localhost:4000/auth/validate-key \
  --header 'X-API-Key: <api-key>'

{
  "message": "API key confirmed",
  "workspace": {
    "id": "ws_123e4567-e89b-12d3-a456-426614174000",
    "name": "My Workspace",
    "url": "https://myworkspace.com",
    "type": "ai_tool",
    "createdAt": "2021-01-01T00:00:00.000Z",
    "updatedAt": "2021-01-01T00:00:00.000Z"
  }
}