add warnings

Author: dks333

settings/global.mdx

@@ -456,6 +456,10 @@ Every documentation site requires a `docs.json` file that contains the core conf
       - `claude`: Feed the current page to Claude
 
       <img src="/images/page-context-menu.png" alt="Contextual Menu" className="rounded-xl" />
+
+      <Warning>
+        The contextual menu is only available on preview & production deployments.
+      </Warning>
     </ResponseField>
   </Expandable>
 </ResponseField>