{
  "id": "diag-05",
  "description": "Unexpected continuity — changed context but no outcome change.",
  "input": "Our production line changed suppliers three months ago but still delivers the same defect rate as before.",
  "responseDurationMs": 1,
  "actualPrimaryType": "unexplained_change",
  "actualReasoningModes": [
    "identify_difference",
    "establish_baseline",
    "validate_measurement"
  ],
  "technical": {
    "schemaValid": true,
    "classificationMatch": true,
    "reasoningModeMatch": true,
    "nextQuestionPresent": true,
    "pass": true,
    "errors": []
  },
  "reasoningQuality": {
    "requiredConcepts": {
      "pass": false,
      "details": [
        {
          "concept": "supplier change",
          "found": false
        },
        {
          "concept": "three months ago",
          "found": false
        },
        {
          "concept": "same defect rate",
          "found": false
        }
      ]
    },
    "unsupportedInferencesAbsent": {
      "pass": true,
      "details": [
        {
          "concept": "new supplier is worse",
          "absent": true
        },
        {
          "concept": "old supplier was better",
          "absent": true
        },
        {
          "concept": "quality process is broken",
          "absent": true
        }
      ]
    },
    "pass": false
  }
}