{
  "type": "observation_schema_not_dataset",
  "required_fields": [
    "observation_id",
    "prompt_id",
    "prompt_version",
    "prompt_text",
    "intent",
    "branded_or_unbranded",
    "surface",
    "model_if_known",
    "search_mode",
    "locale",
    "country",
    "observed_at_utc",
    "session_context",
    "personalization_notes",
    "run_status",
    "raw_answer_reference",
    "brand_mentioned",
    "brand_recommended",
    "owned_domain_cited",
    "citation_urls",
    "citation_link_type",
    "accuracy_review",
    "reviewer_notes"
  ],
  "synthetic_example": {
    "scheduled_checks": 12,
    "failed_checks": 2,
    "valid_answers": 10,
    "answers_mentioning_brand": 4,
    "answers_citing_owned_domain": 2,
    "owned_citation_occurrences": 3,
    "all_citation_occurrences": 15
  },
  "warning": "Synthetic arithmetic example only. Do not label as observed CiteLadder results."
}