{
  "actionPackageId": "ACTION-AMZ-M1B-001",
  "taskPackageId": "TASK-AMZ-ADS-DIAGNOSIS-V1",
  "runId": "RUN-AMZ-M1B-001",
  "summary": "The immutable synthetic snapshot confirms an ACOS increase while preserving causal uncertainty and forbidding account changes.",
  "facts": [
    {
      "text": "Synthetic ACOS rises from 28.4% to 36.9% across comparable seven-day windows.",
      "evidenceRefs": [
        "EVID-AMZ-ACOS-DELTA"
      ]
    }
  ],
  "inferences": [
    {
      "text": "CPC, CVR, price, or availability may contribute, but the snapshot does not establish a cause.",
      "evidenceRefs": [
        "DECISION-AMZ-ACOS-DIAGNOSIS"
      ]
    }
  ],
  "unknowns": [
    {
      "question": "Did CPC, CVR, price, or availability change?",
      "impact": "No optimization path can be selected as a verified recommendation.",
      "nextEvidence": "Provide comparable, authorized evidence and rerun the local review gate."
    }
  ],
  "options": [
    {
      "optionId": "OPTION-AMZ-VERIFY-001",
      "label": "核验驱动证据",
      "action": "Compare CPC and CVR in identical windows and inspect price and retail availability.",
      "tradeoff": "Defers optimization but prevents unsupported account changes.",
      "externalWrite": false
    }
  ],
  "recommendation": "Request the missing comparable evidence and retain every optimization step as a human-reviewed manual draft.",
  "calculations": [
    {
      "metricRef": "METRIC-AMZ-ACOS",
      "formula": "ad_spend / attributed_sales * 100",
      "inputs": {
        "previousSpend": 284,
        "previousSales": 1000,
        "latestSpend": 369,
        "latestSales": 1000
      },
      "unit": "%",
      "window": "7d vs 7d",
      "result": "28.4% → 36.9% (+8.5pp)",
      "resultState": "exact"
    }
  ],
  "risks": [
    "Synthetic values cannot justify an account change",
    "Causal inputs are intentionally absent"
  ],
  "stopConditions": [
    "Do not modify bids, budgets, targeting, or campaign state",
    "Stop on stale, contradictory, missing, or permission-invalid input"
  ],
  "approvalRequirements": [
    "ROLE-AMAZON-ADS-DOMAIN",
    "ROLE-PRODUCT-CONTENT"
  ],
  "evidenceRefs": [
    "EVID-AMZ-ACOS-DELTA",
    "EVID-AMZ-ACOS-DEFINITION",
    "EVID-AMZ-EVIDENCE-GATE"
  ],
  "status": "draft-for-review"
}