curl --request POST \
  --url https://api.scalev.com/v3/chatgpt/pages/{page_id}/html-mode/validate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "agent_html": "<main><h1>Launch offer</h1><a href=\"#order\">Buy now</a></main>",
  "agent_css": "main { max-width: 960px; margin: 0 auto; }",
  "agent_js": "const data = window.Scalev.data.get();",
  "agent_csp_policy": {
    "img_src": [
      "https://cdn.example.com"
    ]
  }
}
'

{
  "valid": true,
  "validation_warnings": [
    {
      "severity": "warning",
      "code": "head_content_not_allowed",
      "field": "agent_html",
      "message": "<string>"
    }
  ],
  "validation_errors": [
    {
      "severity": "warning",
      "code": "head_content_not_allowed",
      "field": "agent_html",
      "message": "<string>"
    }
  ]
}