feat(folio): annotate ViewModels with Metro @Inject / @AssistedInject

LedgerViewModel and AddTransactionViewModel use @AssistedInject for
their accountId param plus a nested @AssistedFactory; the rest are
plain @Inject constructor classes.

examples/folio/app/shared/src/commonMain/kotlin/app/folio/feature/account/AddAccountViewModel.kt

@@ -5,6 +5,7 @@ import androidx.lifecycle.viewModelScope
 import app.folio.core.data.Repository
 import app.folio.navigation.Navigator
 import app.folio.navigation.Route
+import dev.zacsweers.metro.Inject
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -22,6 +23,7 @@ sealed interface AddAccountEvent {
     data object Back : AddAccountEvent
 }
 
+@Inject
 class AddAccountViewModel(
     private val repository: Repository,
     private val navigator: Navigator,

examples/folio/app/shared/src/commonMain/kotlin/app/folio/feature/auth/LoginViewModel.kt

@@ -5,6 +5,7 @@ import androidx.lifecycle.viewModelScope
 import app.folio.core.data.Repository
 import app.folio.navigation.Navigator
 import app.folio.navigation.Route
+import dev.zacsweers.metro.Inject
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
@@ -26,6 +27,7 @@ sealed interface LoginEvent {
     data object Submit : LoginEvent
 }
 
+@Inject
 class LoginViewModel(
     private val repository: Repository,
     private val navigator: Navigator,

examples/folio/app/shared/src/commonMain/kotlin/app/folio/feature/home/HomeViewModel.kt

@@ -7,6 +7,7 @@ import app.folio.core.data.Repository
 import app.folio.core.data.Transaction
 import app.folio.navigation.Navigator
 import app.folio.navigation.Route
+import dev.zacsweers.metro.Inject
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
@@ -25,6 +26,7 @@ sealed interface HomeEvent {
     data class OpenAccount(val accountId: String) : HomeEvent
 }
 
+@Inject
 class HomeViewModel(
     private val repository: Repository,
     private val navigator: Navigator,

examples/folio/app/shared/src/commonMain/kotlin/app/folio/feature/ledger/AddTransactionViewModel.kt

@@ -8,6 +8,9 @@ import app.folio.core.data.TxnType
 import app.folio.navigation.Navigator
 import app.folio.navigation.Route
 import app.folio.util.parseCents
+import dev.zacsweers.metro.Assisted
+import dev.zacsweers.metro.AssistedFactory
+import dev.zacsweers.metro.AssistedInject
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
@@ -36,10 +39,11 @@ sealed interface AddTransactionEvent {
     data object BackToHome : AddTransactionEvent
 }
 
+@AssistedInject
 class AddTransactionViewModel(
     private val repository: Repository,
     private val navigator: Navigator,
-    private val accountId: String,
+    @Assisted private val accountId: String,
 ) : ViewModel() {
     private val form = MutableStateFlow(AddTransactionUiState())
 
@@ -85,4 +89,9 @@ class AddTransactionViewModel(
             }
         }
     }
+
+    @AssistedFactory
+    fun interface Factory {
+        fun create(accountId: String): AddTransactionViewModel
+    }
 }

examples/folio/app/shared/src/commonMain/kotlin/app/folio/feature/ledger/LedgerViewModel.kt

@@ -7,6 +7,9 @@ import app.folio.core.data.Repository
 import app.folio.core.data.Transaction
 import app.folio.navigation.Navigator
 import app.folio.navigation.Route
+import dev.zacsweers.metro.Assisted
+import dev.zacsweers.metro.AssistedFactory
+import dev.zacsweers.metro.AssistedInject
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
@@ -24,10 +27,11 @@ sealed interface LedgerEvent {
     data object BackToHome : LedgerEvent
 }
 
+@AssistedInject
 class LedgerViewModel(
     private val repository: Repository,
     private val navigator: Navigator,
-    private val accountId: String,
+    @Assisted private val accountId: String,
 ) : ViewModel() {
     val state: StateFlow<LedgerUiState> = combine(
         repository.accounts,
@@ -49,4 +53,9 @@ class LedgerViewModel(
             LedgerEvent.BackToHome -> navigator.replace(Route.Home)
         }
     }
+
+    @AssistedFactory
+    fun interface Factory {
+        fun create(accountId: String): LedgerViewModel
+    }
 }