{
  "observed_on": "2026-11-02",
  "method": "Four deterministic in-memory fixtures on the three-article baseline; no fixture written into live articles or customer records",
  "sample_size": 4,
  "results": [
    {
      "case": "baseline",
      "result": "PASS"
    },
    {
      "case": "empty_sources",
      "result": "REJECT"
    },
    {
      "case": "unsupported_sentence",
      "result": "PASS"
    },
    {
      "case": "rephrased_question",
      "result": "PASS"
    }
  ],
  "interpretation": "Required-field checks reject an empty source list; a recorded review flag does not independently establish truth or semantic uniqueness. This small exercise is not an accuracy benchmark.",
  "commercial_results": "UNKNOWN"
}