feat(F-051): completed feature

work/artifacts/F-051/qa.json

@@ -0,0 +1,13 @@
+{
+  "feature_id": "F-051",
+  "verdict": "APPROVED",
+  "agent": "qa",
+  "timestamp": "2026-08-19T08:43:30Z",
+  "checks": {
+    "acceptance_admin": {"pass": true, "evidence": "GET /favicon.ico en 3004 → 200 image/x-icon 25931"},
+    "acceptance_storefront": {"pass": true, "evidence": "GET /favicon.ico en 3005 → 200 image/x-icon 25931"},
+    "regression": {"pass": true, "evidence": "Frontend 3003 sigue 200; smoke LAN 5/5 → 200; build admin y storefront sin errores"},
+    "hygiene": {"pass": true, "evidence": "git diff --check verde; solo assets añadidos"}
+  },
+  "notes": "QA aprobado."
+}