feat(ADM-018): completed feature

work/artifacts/F-028/reviewer.json

@@ -0,0 +1,18 @@
+{
+  "feature_id": "F-028",
+  "agent": "reviewer",
+  "verdict": "APPROVED",
+  "summary": "F-028 review approved. Security module adds sliding-window rate limiter, audit log persistence, and admin MFA enrollment. Admin endpoints require admin role; SQL is parameterized.",
+  "evidence": [
+    "Read work/current.md, architect.md and implementer.md",
+    "Inspected security domain/application/infrastructure/API and migration 021_security.js",
+    "Verified RateLimiter sliding window and retry-after behaviour",
+    "Verified security_audit_log schema with jsonb metadata",
+    "Verified identity_users gets mfa_enrolled flag with default false",
+    "gentle-ai review mode status: receipt-driven development off globally, ordinary Orquestra gate used",
+    "cd project && npm run lint/typecheck/build/test passed",
+    "DB integration migrations suite passed: 14 files, 53 tests",
+    "./scripts/verify.sh passed"
+  ],
+  "timestamp": "2026-08-15T19:08:45Z"
+}