pageId: system
preconditions:
  - type: exists
    id: api
operations:
  - type: update
    id: api
    changes:
      label: Public API
      properties:
        owner: platform
        production: true
        observability: true
  - type: add
    node:
      id: cache
      label: Cache
      kind: database
      geometry:
        x: 520
        y: 200
        width: 120
        height: 80
  - type: connect
    edge:
      id: api-cache
      source: api
      target: cache
      label: Read-through
      kind: data