rendered — markers are present but hidden by Pages chrome

{"datasource":{"id":"{4C2C1D9E-...}","language":"en","revision":"1"},"title":"Hero heading","fieldId":"{75577384-3C97-45DA-A847-81B00500E250}","fieldType":"single-line text"}

Wrapped heading

the payload each marker carries

{
  "datasource": {
    "id": "{4C2C1D9E-...}",
    "language": "en",
    "revision": "1"
  },
  "title": "Hero heading",
  "fieldId": "{75577384-3C97-45DA-A847-81B00500E250}",
  "fieldType": "single-line text"
}

getFieldMetadata — the chrome-vs-runtime branch

field with metadata → object
field without metadata → undefined