{
  "description": "Illustrative delivery fields for discussion. Synthetic records only; source-specific production fields must be agreed.",
  "fields": {
    "record_id": "Identifier within this illustrative file",
    "source_url": "Original content URL; example.com placeholders in this file",
    "published_at": "Source publication time, ISO 8601; nullable when unknown in production",
    "collected_at": "Collection timestamp, ISO 8601",
    "language": "Original content language code",
    "original_text": "Original wording",
    "english_text": "English translation if included in the agreed delivery scope",
    "is_synthetic": "Always true for these invented sample records"
  }
}