feat(POS-005): completed feature

work/artifacts/POS-005/security.json

@@ -0,0 +1,12 @@
+{
+  "feature_id": "POS-005",
+  "agent": "security",
+  "stage": "security_gate",
+  "verdict": "APPROVED",
+  "summary": "All queries parameterized. Admin routes require admin role. Product routes require pos role.",
+  "checks": [
+    {"item": "SQL injection prevention", "ok": true, "evidence": "All DB queries use $1, $2... placeholders; q trimmed before use"},
+    {"item": "Authentication", "ok": true, "evidence": "requireRole admin for admin routes; requireAnyRole for product routes"}
+  ],
+  "issues": []
+}