Key areas to address: Coroutine scope management:
You're using rememberCoroutineScope inside your composable, which is correct for launching coroutines tied to the composable lifecycle. However, you're also using LaunchedEffect with key1 = true to ensure that the coroutine runs when the composable is first rendered. However, this can be simplified as LaunchedEffect(Unit) which will trigger once when the composable first enters the composition. Handling of viewModel.currentDate:
The viewModel.currentDate is being used directly inside the collectAsState method. While this is fine, it's important to note that collectAsState is designed to be used with a State or Flow. Ensure that viewModel.getNotesForDate returns a Flow<List> for this to work smoothly. Inserting notes:
You're checking if notes.value.isEmpty(), and if so, you're inserting a new note. This is fine, but you might want to consider doing this action only once for a given date rather than on every recomposition. This could be handled better with a check inside LaunchedEffect.