Mm 66813 sso callback metadata (#34955) (#35383)

Automatic Merge

api/v4/source/users.yaml

@@ -76,13 +76,15 @@
           $ref: "#/components/responses/Forbidden"
   /api/v4/users/login/sso/code-exchange:
     post:
+      deprecated: true
       tags:
         - users
       summary: Exchange SSO login code for session tokens
       description: >
         Exchange a short-lived login_code for session tokens using SAML code exchange (mobile SSO flow).
-        This endpoint is part of the mobile SSO code-exchange flow to prevent tokens 
-        from appearing in deep links.
+
+        **Deprecated:** This endpoint is deprecated and will be removed in a future release.
+        Mobile clients should use the direct SSO callback flow instead.
 
         ##### Permissions