feat(ADM-018): completed feature

work/artifacts/F-024/security.json

@@ -0,0 +1,13 @@
+{
+  "feature_id": "F-024",
+  "agent": "security",
+  "verdict": "APPROVED",
+  "summary": "Security approved. No new dependencies. Notifications dispatch is admin-only, request schema strips unknown fields, SQL is parameterized, and idempotency is enforced at the database level.",
+  "evidence": [
+    "cd project && npm audit --audit-level=high --omit=dev: found 0 vulnerabilities",
+    "Reviewed /notifications/dispatch and /notifications/messages/:eventId: requireRole admin",
+    "Reviewed schema: strip() and bounded validators",
+    "Reviewed SQL: parameterized queries only"
+  ],
+  "timestamp": "2026-08-15T18:48:04Z"
+}