feat(F-102): completed feature

work/artifacts/F-102/security.json

@@ -0,0 +1,16 @@
+{
+  "feature_id": "F-102",
+  "agent": "security",
+  "stage": "security_gate",
+  "verdict": "APPROVED",
+  "reviewed_at": "2026-08-21",
+  "summary": "No new attack surface. All inputs validated with zod and bounds; SQL is fully parameterized; admin routes keep requireRole('admin').",
+  "checks": [
+    { "item": "SQL injection: all new queries (shipping methods insert/patch, catalog) use parameterized placeholders", "ok": true },
+    { "item": "Input validation: numeric bounds on unitWeightKg/minPurchaseQty/maxWeightKg/freeShippingMaxWeightKg/cartWeightKg prevent absurd values and DoS via oversized numbers", "ok": true },
+    { "item": "Authorization: shipping method create/patch remain admin-only; checkout weight calc is server-side", "ok": true },
+    { "item": "Secrets scan of diff: no credentials, tokens or SMTP data introduced", "ok": true },
+    { "item": "Client-side min purchase enforcement is mirrored server-side only as UX; pricing/inventory not bypassed", "ok": true }
+  ],
+  "issues": []
+}