name: detect example.com changes
description: |
  Fetch example.com, fingerprint the response, and report whether it changed
  since the previous run. Uses detect-url-changes with a transform that builds
  a human-readable message into ctx.data.message.
scripts:
  - script: detect-url-changes.js
    config:
      url: https://example.com/
      outputVar: message
      transform: >
        data.hasChanges
          ? "example.com changed (fingerprint " & data.fingerprint & ")"
          : "example.com unchanged since " & data.fingerprintAt
triggers:
  - type: HTTP
    method: POST
    path: /detect-example