Update settings.mdx

Author: mintlify[bot]

settings.mdx

@@ -723,6 +723,18 @@ See [Themes](themes) for more information.
   </Expandable>
 </ResponseField>
 
+### Assistant
+
+<ResponseField name="assistant" type="object">
+  AI assistant configuration settings.
+
+  <Expandable title="Assistant">
+    <ResponseField name="enableAskAiButton" type="boolean">
+      Controls how users access the AI assistant. When set to `true`, displays an "Ask AI" button in the topbar next to the search bar. When set to `false` or omitted, shows a floating assistant button that appears after a delay. Defaults to `false`.
+    </ResponseField>
+  </Expandable>
+</ResponseField>
+
 ### Integrations
 
 <ResponseField name="integrations" type="object">