feat(ADM-018): completed feature

work/artifacts/F-018/security.json

@@ -0,0 +1,17 @@
+{
+  "feature_id": "F-018",
+  "agent": "security",
+  "verdict": "APPROVED",
+  "summary": "Security approved. No new dependencies or secrets were introduced. Cart routes require authentication, SQL is parameterized, request schemas strip client-supplied price fields, and persisted cart data contains no price, tax, discount or stock columns.",
+  "evidence": [
+    "cd project && npm audit --audit-level=high --omit=dev: found 0 vulnerabilities",
+    "Secret scan over cart files found only a test fixture password, no committed credentials",
+    "Reviewed cart routes: all routes authenticate user before cart access",
+    "Reviewed validation: UUID params and positive quantities enforced with zod",
+    "Reviewed schemas: item payload strips unknown client-supplied price/tax/total fields",
+    "Reviewed repository SQL: all dynamic values are parameterized",
+    "Reviewed migration: cart_items stores product_id, variant_id and quantity only with quantity > 0 CHECK",
+    "No new runtime dependency added"
+  ],
+  "timestamp": "2026-08-15T17:31:53Z"
+}