{
  "_comment_negative_example": "Two violations the validator MUST reject (R10): the required 'eventType' discriminator is missing, and the deprecated pre-#640 'codingAction' top-level field is present (unevaluatedProperties: false rejects it).",
  "sessionId":    "0f9ea092-c774-4624-bb10-8910ec03d1db",
  "occurredAt":   "2026-06-01T19:42:11Z",
  "codingAction": "Applied",
  "cases": [
    {
      "data": "<spiges/>",
      "codingResult": {
        "caseId":     "F001",
        "diagnoses":  [],
        "procedures": []
      }
    }
  ]
}