{
  "feature_id": "F-090",
  "agent": "reviewer",
  "verdict": "APPROVED",
  "summary": "The catalog response now exposes existing brand and expiration data, and SKU/EAN cells render the row state that is updated by the existing variant PATCH flow.",
  "evidence": [
    "serializeProduct includes brand and expirationDate without changing persistence or routes",
    "SKU and EAN non-editing cells use r.variant values updated after save",
    "Existing PATCH /products/:id/variants/:variantId remains the persistence path",
    "Root and admin TypeScript checks pass"
  ],
  "timestamp": "2026-08-20T19:40:00Z"
}