feat(F-130): completed feature

work/artifacts/F-130/qa.json

@@ -0,0 +1,21 @@
+{
+  "verdict": "APPROVED",
+  "reviewer": "qa",
+  "feature_id": "F-130",
+  "summary": "Verificación build OK y patrón consistente con EAN/Stock.",
+  "checks": [
+    "tsc --noEmit exit 0",
+    "npm run build exit 0",
+    "handleSaveExp usa productsApi.update(productId, {expirationDate: value || null})",
+    "string vacía → null",
+    "editExpValue inicializado desde product.expirationDate?.slice(0, 10)",
+    "click en celda → editingExp=true → render input",
+    "blur/Enter → handleSaveExp",
+    "Escape → editingExp=false"
+  ],
+  "evidence_files": [
+    "apps/admin/src/app/(dashboard)/inventory/page.tsx"
+  ],
+  "notes": "Tras restart, click en celda de caducidad abre datepicker.",
+  "reviewed_at": "2026-08-21T16:08:00Z"
+}