{
  "feature_id": "F-087",
  "verdict": "APPROVED",
  "checks": [
    {
      "name": "Backend cart validates stock before add/change",
      "result": "PASS",
      "notes": "CartService.addItem and changeQuantity call assertStockAvailable which uses inventory.checkAvailability."
    },
    {
      "name": "409 mapping on insufficient stock",
      "result": "PASS",
      "notes": "mapCartError returns AppError(409, 'INSUFFICIENT_STOCK', ...) when InsufficientCartStockError is thrown."
    },
    {
      "name": "Frontend product page qty capped to stock",
      "result": "PASS",
      "notes": "AddToCart component: input max=stock, button disabled when stock=0, error on over-stock."
    },
    {
      "name": "Cart page qty inputs capped per variant",
      "result": "PASS",
      "notes": "/carrito fetches stock per item and renders max on the input; updateQty rejects over-stock."
    },
    {
      "name": "Storefront API proxies for cart and inventory",
      "result": "PASS",
      "notes": "Three new proxy routes: /api/cart, /api/cart/items/[variantId], /api/inventory/[variantId]/availability."
    },
    {
      "name": "Header cart counter",
      "result": "PASS",
      "notes": "CartButton listens to mdv:cart-updated and shows count from localStorage."
    },
    {
      "name": "Tests pass",
      "result": "PASS",
      "notes": "Cart service tests still green (3/3)."
    }
  ],
  "lint": {
    "errors_introduced": 0
  },
  "typecheck": "PASS",
  "tests": "3/3 passed",
  "verdict_reason": "Backend enforced, frontend capped. Acceptance criteria trace to PASS.",
  "reviewer": "reviewer",
  "reviewed_at": "2026-08-20T04:17:00Z",
  "agent": "reviewer"
}