feat(F-124): completed feature

work/artifacts/F-124/qa.json

@@ -0,0 +1,17 @@
+{
+  "verdict": "APPROVED",
+  "reviewer": "qa",
+  "feature_id": "F-124",
+  "summary": "Verificación build OK.",
+  "checks": [
+    "tsc --noEmit exit 0",
+    "npm run build exit 0",
+    "ProductEditor.tsx contiene grid grid-cols-1 lg:grid-cols-2 gap-6 envolviendo Categorías + Atributos",
+    "Estructura interna de cada bloque sin cambios"
+  ],
+  "evidence_files": [
+    "apps/admin/src/features/products/components/ProductEditor.tsx"
+  ],
+  "notes": "Tras restart, Categorías y Atributos se ven lado a lado en desktop (≥1024px), apilados en móvil.",
+  "reviewed_at": "2026-08-21T16:14:00Z"
+}