diff --git a/scripts/build.js b/scripts/build.js
index d55d1147b..e2a3759ba 100644
--- a/scripts/build.js
+++ b/scripts/build.js
@@ -503,6 +503,10 @@ function generateCFConfig(buildDir) {
 /antipattern-images/*
   Cache-Control: public, max-age=604800, stale-while-revalidate=86400
 
+# Antipattern examples: allow same-origin framing (visual-mode page embeds these)
+/antipattern-examples/*
+  X-Frame-Options: SAMEORIGIN
+
 # Root static assets (favicon, og-image, etc.)
 /favicon.svg
   Cache-Control: public, max-age=604800, stale-while-revalidate=86400