feat(F-104): completed feature

work/artifacts/F-104/security.json

@@ -0,0 +1,12 @@
+{
+  "feature_id": "F-104",
+  "agent": "security",
+  "verdict": "APPROVED",
+  "summary": "No new input surface; rendering path reuses the sanitized formatRichText helper and admin-only CMS write endpoints.",
+  "evidence": [
+    "CMS create/update/publish endpoints remain authenticate + requireRole(admin)",
+    "CmsBlock output passes through formatRichText which strips scripts/handlers/javascript: URLs",
+    "No secrets involved"
+  ],
+  "timestamp": "2026-08-21T06:10:30Z"
+}