CardsScreen.kt

@Composable
fun CardsScreen(viewModel: CardsViewModel) {
    val cards by viewModel.cards.collectAsStateWithLifecycle()
    val expandedCardIds by viewModel.expandedCardIdsList.collectAsStateWithLifecycle()

    Scaffold {
        LazyColumn {
            items(cards, ExpandableCardModel::id) { card ->
                ExpandableCard(
                    card = card,
                    onCardArrowClick = { viewModel.onCardArrowClicked(card.id) },
                    expanded = expandedCardIds.contains(card.id),
                )
            }
        }
    }
}