chore: implementiere Auth-Status-abhängige Navigation und Icons, deaktiviere Module ohne Initialisierung und passe NavRail sowie Header für besseren UX an

Signed-off-by: StefanMoCoAt <stefan.mo.co@gmail.com>

frontend/features/device-initialization/src/jvmMain/kotlin/at/mocode/frontend/features/device/initialization/presentation/DeviceInitializationConfig.jvm.kt

@@ -72,33 +72,26 @@ actual fun DeviceInitializationConfig(
         isError = settings.sharedKey.isNotEmpty() && !DeviceInitializationValidator.isKeyValid(settings.sharedKey),
         errorMessage = "Mindestens ${DeviceInitializationValidator.MIN_KEY_LENGTH} Zeichen erforderlich.",
         visualTransformation = if (passwordVisible) VisualTransformation.None else PasswordVisualTransformation(),
-        imeAction = if (settings.networkRole == NetworkRole.MASTER) ImeAction.Next else ImeAction.Done,
+        imeAction = ImeAction.Next,
         keyboardActions = KeyboardActions(
-          onNext = { focusManager.moveFocus(FocusDirection.Next) },
-          onDone = {
-            if (DeviceInitializationValidator.canContinue(settings)) {
-              viewModel.completeInitialization()
-            } else {
-              focusManager.clearFocus()
-            }
-          }
+          onNext = { focusManager.moveFocus(FocusDirection.Next) }
         ),
         modifier = Modifier.focusRequester(sharedKeyFocus),
         trailingIcon = if (passwordVisible) Icons.Outlined.VisibilityOff else Icons.Outlined.Visibility,
         onTrailingIconClick = { passwordVisible = !passwordVisible }
       )
 
-      if (settings.networkRole == NetworkRole.MASTER) {
-        MsFilePicker(
-          label = "Backup-Verzeichnis (Pfad)",
-          selectedPath = settings.backupPath,
-          onFileSelected = { selectedPath ->
-            viewModel.updateSettings { s -> s.copy(backupPath = selectedPath) }
-          },
-          directoryOnly = true,
-          modifier = Modifier.focusRequester(backupPathFocus)
-        )
+      MsFilePicker(
+        label = "Backup-Verzeichnis (Pfad)",
+        selectedPath = settings.backupPath,
+        onFileSelected = { selectedPath ->
+          viewModel.updateSettings { s -> s.copy(backupPath = selectedPath) }
+        },
+        directoryOnly = true,
+        modifier = Modifier.focusRequester(backupPathFocus)
+      )
 
+      if (settings.networkRole == NetworkRole.MASTER) {
         Text("Sync-Intervall: ${settings.syncInterval} Min.", style = MaterialTheme.typography.labelMedium)
         Slider(
           value = settings.syncInterval.toFloat(),
@@ -106,7 +99,19 @@ actual fun DeviceInitializationConfig(
           valueRange = 1f..60f,
           steps = 59
         )
+      } else {
+        // Button zum Abschließen für Clients, da diese keinen Slider/Clients haben
+        Spacer(Modifier.height(8.dp))
+        Button(
+          onClick = { viewModel.completeInitialization() },
+          modifier = Modifier.fillMaxWidth(),
+          enabled = DeviceInitializationValidator.canContinue(settings)
+        ) {
+          Text("Konfiguration abschließen")
+        }
+      }
 
+      if (settings.networkRole == NetworkRole.MASTER) {
         HorizontalDivider(Modifier, DividerDefaults.Thickness, DividerDefaults.color)
         Text("👥 Erwartete Clients", style = MaterialTheme.typography.titleSmall)