fix(profiles): Pass profileId from NavKey and reset state on exit

Navigation 3 doesn't auto-populate SavedStateHandle from NavKey args
like Navigation 2.x did. Pass profileId explicitly from the entry
lambda through the ScreenHost to the ViewModel via initialize().

Reset initialized flag on every exit path so re-entering a profile
reloads fresh data from the repository.

app/src/main/java/eu/darken/capod/profiles/ui/creation/DeviceProfileCreationNavigation.kt

@@ -13,7 +13,9 @@ import javax.inject.Inject
 
 class DeviceProfileCreationNavigation @Inject constructor() : NavigationEntry {
     override fun EntryProviderScope<NavKey>.setup() {
-        entry<Nav.Main.DeviceProfileCreation> { DeviceProfileCreationScreenHost() }
+        entry<Nav.Main.DeviceProfileCreation> { key ->
+            DeviceProfileCreationScreenHost(profileId = key.profileId)
+        }
     }
 
     @Module

app/src/main/java/eu/darken/capod/profiles/ui/creation/DeviceProfileCreationScreen.kt

@@ -58,7 +58,12 @@ import eu.darken.capod.common.toHex
 import eu.darken.capod.pods.core.PodDevice
 
 @Composable
-fun DeviceProfileCreationScreenHost(vm: DeviceProfileCreationViewModel = hiltViewModel()) {
+fun DeviceProfileCreationScreenHost(
+    profileId: String? = null,
+    vm: DeviceProfileCreationViewModel = hiltViewModel(),
+) {
+    LaunchedEffect(Unit) { vm.initialize(profileId) }
+
     ErrorEventHandler(vm)
     NavigationEventHandler(vm)
 

app/src/main/java/eu/darken/capod/profiles/ui/creation/DeviceProfileCreationViewModel.kt

@@ -1,7 +1,6 @@
 package eu.darken.capod.profiles.ui.creation
 
 import android.content.Context
-import androidx.lifecycle.SavedStateHandle
 import dagger.hilt.android.lifecycle.HiltViewModel
 import dagger.hilt.android.qualifiers.ApplicationContext
 import eu.darken.capod.R
@@ -43,15 +42,15 @@ private data class ProfileEditorState(
 @HiltViewModel
 class DeviceProfileCreationViewModel @Inject constructor(
     @ApplicationContext private val context: Context,
-    handle: SavedStateHandle,
     dispatcherProvider: DispatcherProvider,
     private val deviceProfilesRepo: DeviceProfilesRepo,
     private val bluetoothManager: BluetoothManager2,
     private val webpageTool: WebpageTool,
 ) : ViewModel4(dispatcherProvider) {
 
-    private val profileId: ProfileId? = handle.get<String>("profileId")
-    private val isEditMode: Boolean = profileId != null
+    private var profileId: ProfileId? = null
+    private var isEditMode: Boolean = false
+    private var initialized = false
 
     private val _currentState = MutableStateFlow(ProfileEditorState())
     private val _initialState = MutableStateFlow(ProfileEditorState())
@@ -60,7 +59,13 @@ class DeviceProfileCreationViewModel @Inject constructor(
     val showUnsavedChangesEvent = SingleEventFlow<Unit>()
     val showDeleteConfirmationEvent = SingleEventFlow<Unit>()
 
-    init {
+    fun initialize(profileId: String?) {
+        if (initialized && this.profileId == profileId) return
+        initialized = true
+
+        this.profileId = profileId
+        this.isEditMode = profileId != null
+
         if (isEditMode && profileId != null) {
             loadProfile(profileId)
         } else {
@@ -161,12 +166,17 @@ class DeviceProfileCreationViewModel @Inject constructor(
 
     fun hasUnsavedChanges(): Boolean = _currentState.value != _initialState.value
 
+    private fun exitScreen() {
+        initialized = false
+        navUp()
+    }
+
     fun onBackPressed() {
         log(TAG) { "onBackPressed()" }
         if (hasUnsavedChanges()) {
             showUnsavedChangesEvent.tryEmit(Unit)
         } else {
-            navUp()
+            exitScreen()
         }
     }
 
@@ -204,7 +214,7 @@ class DeviceProfileCreationViewModel @Inject constructor(
                     deviceProfilesRepo.addProfile(profile)
                     log(TAG) { "Profile created: $profile" }
                 }
-                navUp()
+                exitScreen()
             } catch (e: Exception) {
                 log(TAG) { "Failed to save profile: $e" }
                 errorEvents.emitBlocking(e)
@@ -218,12 +228,13 @@ class DeviceProfileCreationViewModel @Inject constructor(
     }
 
     fun deleteProfile() {
-        if (isEditMode && profileId != null) {
+        val id = profileId
+        if (isEditMode && id != null) {
             launch {
                 try {
-                    deviceProfilesRepo.removeProfile(profileId)
-                    log(TAG) { "Profile deleted: $profileId" }
-                    navUp()
+                    deviceProfilesRepo.removeProfile(id)
+                    log(TAG) { "Profile deleted: $id" }
+                    exitScreen()
                 } catch (e: Exception) {
                     log(TAG) { "Failed to delete profile: $e" }
                     errorEvents.emitBlocking(e)
@@ -234,7 +245,7 @@ class DeviceProfileCreationViewModel @Inject constructor(
 
     fun discardChanges() {
         log(TAG) { "discardChanges()" }
-        navUp()
+        exitScreen()
     }
 
     fun openKeyGuide() {