{
  "url": "https://example.com/demo",
  "fields": [
    {"selector": "#demo-name", "value": "Synthetic Test Lead"},
    {"selector": "#demo-company", "value": "Fixture Company"}
  ],
  "checks": [
    {
      "kind": "inside_form",
      "selector": "#demo-name"
    },
    {
      "kind": "href_includes_fields",
      "selector": "a[href^='mailto:']",
      "fields": ["#demo-name", "#demo-company"]
    },
    {
      "kind": "href_path",
      "selector": "a[data-purpose='sample']",
      "equals": "/sample.pdf"
    }
  ]
}