feat(POS-008): completed feature

work/artifacts/POS-008/security.json

@@ -0,0 +1,13 @@
+{
+  "feature_id": "POS-008",
+  "agent": "security",
+  "stage": "security_gate",
+  "verdict": "APPROVED",
+  "summary": "All inputs validated with Zod. No raw SQL values. Role-based access.",
+  "checks": [
+    {"item": "SQL injection", "ok": true, "evidence": "All values parameterized ($1, $2...)"},
+    {"item": "Authorization", "ok": true, "evidence": "requireAnyRole admin/pos_manager/pos_cashier"},
+    {"item": "Input validation", "ok": true, "evidence": "Zod schema on body + request parsing"}
+  ],
+  "issues": []
+}