feat(F-073): completed feature

work/artifacts/F-073/security.json

@@ -0,0 +1,15 @@
+{
+  "feature_id": "F-073",
+  "agent": "security",
+  "verdict": "APPROVED",
+  "summary": "F-073 is a purely frontend UX change — a toggle switch for activating/deactivating VAT types. No new dependencies, no new endpoints, no auth changes, no data exposure. The toggle calls the existing authenticated PATCH /admin/tax-rates/:id endpoint which already existed.",
+  "evidence": [
+    "No new dependencies",
+    "No new API endpoints — uses existing taxApi.update() with existing endpoint",
+    "No auth changes — existing admin authentication required",
+    "No env vars",
+    "Optimistic UI update is safe — reverts on API error",
+    "verify.sh exit 0"
+  ],
+  "timestamp": "2026-08-19T17:25:00Z"
+}