WalletPresentScreen
fun WalletPresentScreen(sdk: WalletSdk, credentialId: String? = null, modifier: Modifier = Modifier, onClose: () -> Unit = {})
Holder "Present in person" screen — offline ISO 18013-5 proximity over BLE.
Advertises over Bluetooth, shows the engagement QR, and, once the reader connects, hands off to the same consent sheet, card and "The info was shared" result used for sharing with websites, so the UI is identical in person and online.