feat(F-118): completed feature

work/artifacts/F-118/security.json

@@ -0,0 +1,13 @@
+{
+  "feature_id": "F-118",
+  "agent": "security",
+  "stage": "security_gate",
+  "verdict": "APPROVED",
+  "reviewed_at": "2026-08-21",
+  "summary": "No new attack surface. Data update only, no code changes.",
+  "checks": [
+    { "item": "UPDATE uses parameterized placeholders", "ok": true },
+    { "item": "No code changes, no new endpoints", "ok": true }
+  ],
+  "issues": []
+}