basic undo feature (#1268)

Co-authored-by: adamdotdevin <2363879+adamdottv@users.noreply.github.com>
Co-authored-by: Jay V <air@live.ca>
Co-authored-by: Aiden Cline <63023139+rekram1-node@users.noreply.github.com>
Co-authored-by: Andrew Joslin <andrew@ajoslin.com>
Co-authored-by: GitHub Action <action@github.com>
Co-authored-by: Tobias Walle <9933601+tobias-walle@users.noreply.github.com>

packages/sdk/src/resources/index.ts

@@ -71,6 +71,7 @@ export {
   type SessionSummarizeResponse,
   type SessionChatParams,
   type SessionInitParams,
+  type SessionRevertParams,
   type SessionSummarizeParams,
 } from './session';
 export {