feat(F-112): completed feature

work/artifacts/F-112/security.json

@@ -0,0 +1,15 @@
+{
+  "feature_id": "F-112",
+  "agent": "security",
+  "stage": "security_gate",
+  "verdict": "APPROVED",
+  "reviewed_at": "2026-08-21",
+  "summary": "No new attack surface. The flag is set only by admin-initiated AI generation; the frontend renders static text only.",
+  "checks": [
+    { "item": "AI flag is only set by the admin generate-seo endpoint or by an explicit PATCH; no user-controlled input", "ok": true },
+    { "item": "Disclaimer text is hard-coded in the frontend; no injection vector", "ok": true },
+    { "item": "Migration is idempotent (ADD COLUMN IF NOT EXISTS, CREATE INDEX IF NOT EXISTS)", "ok": true },
+    { "item": "Authorization on PATCH /products/:id is unchanged (admin-only)", "ok": true }
+  ],
+  "issues": []
+}