{ "feature_id": "F-022", "agent": "security", "verdict": "APPROVED", "summary": "Security approved. No new dependencies or secrets. Checkout is authenticated, idempotency_key is required, request schema strips unknown fields, all calls go through services with parameterized SQL, and unavailable stock returns 409 before any order or reservation.", "evidence": [ "cd project && npm audit --audit-level=high --omit=dev: found 0 vulnerabilities", "Secret scan found only a test fixture password and a code comment mentioning F-023 Stripe adapter", "Reviewed /checkout: authenticated and zod schema enforces idempotency_key required", "Reviewed CheckoutService: idempotency lookup short-circuits; unavailable stock rejects before order/reservation", "Reviewed repository SQL: parameterized queries only across all composed services", "Stub payment provider has no secrets; F-023 will replace it with the Stripe adapter" ], "timestamp": "2026-08-15T18:27:12Z" }