feat(F-122): completed feature

work/artifacts/F-122/qa.json

@@ -0,0 +1,16 @@
+{
+  "feature_id": "F-122",
+  "agent": "qa",
+  "stage": "qa_gate",
+  "verdict": "APPROVED",
+  "reviewed_at": "2026-08-21",
+  "summary": "Acceptance criteria traced to evidence.",
+  "acceptance_traceability": [
+    { "criterion": "PriceStockSection no longer shows the legacy warning", "evidence": "JSX block removed", "ok": true },
+    { "criterion": "extraVariants state removed", "evidence": "grep returns 0 hits", "ok": true },
+    { "criterion": "Editor still loads the single variant correctly", "evidence": "items?.[0] logic unchanged; admin tsc clean", "ok": true },
+    { "criterion": "Typecheck, tests, verify pass", "evidence": "admin tsc OK; verify.sh OK", "ok": true }
+  ],
+  "checks": [],
+  "issues": []
+}