feat(F-086): completed feature

work/artifacts/F-086/security.json

@@ -0,0 +1,16 @@
+{
+  "feature_id": "F-086",
+  "verdict": "APPROVED",
+  "checks": [
+    { "name": "Date validation", "result": "PASS", "notes": "Zod z.iso.date() rejects malformed input at the API boundary." },
+    { "name": "SQL injection", "result": "PASS", "notes": "Parameterised queries; date passed as text." },
+    { "name": "Auth/RBAC unchanged", "result": "PASS", "notes": "Same admin-gated routes." },
+    { "name": "Dependencies", "result": "PASS", "notes": "No new packages." }
+  ],
+  "sast": "PASS",
+  "dependency_review": "PASS",
+  "secret_scan": "PASS",
+  "verdict_reason": "Date field added at product level with strict input validation.",
+  "reviewer": "security",
+  "reviewed_at": "2026-08-20T04:15:30Z"
+}