add one more question

Author: benbrandt

docs/rfds/session-config-options.mdx

@@ -211,6 +211,7 @@ Open questions at the moment are:
 - Does the Client express capabilities of which types of inputs it supports? And the Agent adjusts the options accordingly?
 - Or, does the Client ignore settings options it doesn't support and the User just doesn't see them?
 - Should we instead move to a more HTML form inspired approach where we use the terms `label`, and `value`?
+- How do we handle the Agent providing more options than the Client can reasonably display?
 
 ## Frequently asked questions