buildPresentationInitiationPayload
abstract suspend fun buildPresentationInitiationPayload(device: CredLinkDevice, phoneKeysAlias: String): ByteArray?
First step for Token Unlock flow. This function initiates the Function builds the token-unlock Initiation payload using the keypair persisted in secure enclave linked to the provided phoneKeyAlias. Function also generates transaction ephemeral keys and persists that in session memory for use