chore: implementiere Logo-Upload-Zone mit Base64-Unterstützung, verbessere Vereinsverwaltung mit kompakten Feldern und nutzerspezifischen Uploadoptionen, optimiere Desktop-UX und Navigation

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

@@ -63,7 +63,12 @@ actual fun DeviceInitializationConfig(
         errorText = "Mindestens ${DeviceInitializationValidator.MIN_NAME_LENGTH} Zeichen erforderlich.",
         keyboardOptions = KeyboardOptions(imeAction = ImeAction.Next),
         keyboardActions = KeyboardActions(onNext = { focusManager.moveFocus(FocusDirection.Next) }),
-        modifier = Modifier.focusRequester(deviceNameFocus)
+        modifier = Modifier.focusRequester(deviceNameFocus).onKeyEvent {
+          if (it.key == Key.Enter && it.type == KeyEventType.KeyUp) {
+            focusManager.moveFocus(FocusDirection.Next)
+            true
+          } else false
+        }
       )
 
       var passwordVisible by remember { mutableStateOf(false) }
@@ -88,7 +93,16 @@ actual fun DeviceInitializationConfig(
             }
           }
         ),
-        modifier = Modifier.focusRequester(sharedKeyFocus),
+        modifier = Modifier.focusRequester(sharedKeyFocus).onKeyEvent {
+          if (it.key == Key.Enter && it.type == KeyEventType.KeyUp) {
+            if (settings.networkRole == NetworkRole.MASTER) {
+              focusManager.moveFocus(FocusDirection.Next)
+            } else if (DeviceInitializationValidator.canContinue(settings)) {
+              viewModel.completeInitialization()
+            }
+            true
+          } else false
+        },
         trailingIcon = {
           IconButton(onClick = { passwordVisible = !passwordVisible }) {
             Icon(
@@ -105,11 +119,17 @@ actual fun DeviceInitializationConfig(
           onValueChange = { viewModel.updateSettings { s -> s.copy(backupPath = it) } },
           label = { Text("Backup-Verzeichnis (Pfad)") },
           placeholder = { Text("/pfad/zu/den/backups") },
-          modifier = Modifier.fillMaxWidth().focusRequester(backupPathFocus),
+          modifier = Modifier.fillMaxWidth().focusRequester(backupPathFocus).onKeyEvent {
+            if (it.key == Key.Enter && it.type == KeyEventType.KeyUp) {
+              focusManager.moveFocus(FocusDirection.Next)
+              true
+            } else false
+          },
+          singleLine = true,
           keyboardOptions = KeyboardOptions(imeAction = ImeAction.Next),
-        keyboardActions = KeyboardActions(
-          onNext = { focusManager.moveFocus(FocusDirection.Next) }
-        ),
+          keyboardActions = KeyboardActions(
+            onNext = { focusManager.moveFocus(FocusDirection.Next) }
+          ),
           trailingIcon = {
             IconButton(onClick = {
               selectBackupPath(settings.backupPath) { selectedPath ->