//sdk/com.adobe.express.embedsdk/BaseAuthController/isSignInOnRequestEnabled
open fun isSignInOnRequestEnabled(): Boolean
Whether the host declared AuthMode.IMS_JUMP_ON_REQUEST at initialize(). Guards BaseAction’s SIGN_IN_REQUIRED handler so an embed can’t drive sign-in the host didn’t opt into. Always false for 3P — their AuthOption union has no jump-on-request mode.