opt.: disable it on iOS

lib/core/utils/proxy_command_executor.dart

@@ -33,6 +33,10 @@ abstract final class ProxyCommandExecutor {
     required int port,
     required String user,
   }) async {
+    if (Platform.isIOS) {
+      throw ProxyCommandException(message: 'ProxyCommand is not supported on iOS');
+    }
+
     final finalCommand = config.getFinalCommand(hostname: hostname, port: port, user: user);
 
     Loggers.app.info('Executing proxy command: $finalCommand');
@@ -99,6 +103,10 @@ abstract final class ProxyCommandExecutor {
 
   /// Validate proxy command configuration
   static Future<String?> validateConfig(ProxyCommandConfig config) async {
+    if (Platform.isIOS) {
+      return 'ProxyCommand is not supported on iOS';
+    }
+
     final testCommand = config.getFinalCommand(hostname: 'test.example.com', port: 22, user: 'testuser');
 
     // Check if required placeholders are present

lib/core/utils/server.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:convert';
+import 'dart:io';
 
 import 'package:dartssh2/dartssh2.dart';
 import 'package:fl_lib/fl_lib.dart';
@@ -122,24 +123,27 @@ Future<SSHClient> genClient(
     // For ProxyCommand and direct connections, get SSHSocket
     SSHSocket? socket;
     try {
+      final proxyCommand = spi.proxyCommand;
       // ProxyCommand support - Check for ProxyCommand configuration first
-      if (spi.proxyCommand != null) {
+      if (proxyCommand != null && !Platform.isIOS) {
         try {
-          Loggers.app.info('Connecting via ProxyCommand: ${spi.proxyCommand!.command}');
+          Loggers.app.info('Connecting via ProxyCommand: ${proxyCommand.command}');
           socket = await ProxyCommandExecutor.executeProxyCommand(
-            spi.proxyCommand!,
+            proxyCommand,
             hostname: spi.ip,
             port: spi.port,
             user: spi.user,
           );
         } catch (e) {
           Loggers.app.warning('ProxyCommand failed', e);
-          if (!spi.proxyCommand!.retryOnFailure) {
+          if (!proxyCommand.retryOnFailure) {
             rethrow;
           }
           // If retry is enabled, fall through to direct connection
           Loggers.app.info('ProxyCommand failed, falling back to direct connection');
         }
+      } else if (proxyCommand != null && Platform.isIOS) {
+        Loggers.app.info('ProxyCommand configuration is ignored on iOS');
       }
 
       // Direct connection (or fallback)

lib/view/page/server/edit/actions.dart

@@ -267,7 +267,7 @@ extension _Actions on _ServerEditPageState {
 
     // ProxyCommand configuration
     ProxyCommandConfig? proxyCommand;
-    if (_proxyCommandEnabled.value) {
+    if (!Platform.isIOS && _proxyCommandEnabled.value) {
       final command = _proxyCommandController.text.trim();
       if (command.isEmpty) {
         context.showSnackBar('ProxyCommand is enabled but command is empty');
@@ -292,6 +292,9 @@ extension _Actions on _ServerEditPageState {
         requiresExecutable: requiresExecutable,
         executableName: requiresExecutable ? executable : null,
       );
+    } else if (Platform.isIOS && _proxyCommandEnabled.value) {
+      context.showSnackBar('ProxyCommand is not supported on iOS');
+      return;
     }
 
     final spi = Spi(
@@ -483,7 +486,7 @@ extension _Utils on _ServerEditPageState {
 
     // Load ProxyCommand configuration
     final proxyCommand = spi.proxyCommand;
-    if (proxyCommand != null) {
+    if (proxyCommand != null && !Platform.isIOS) {
       _proxyCommandEnabled.value = true;
       _proxyCommandController.text = proxyCommand.command;
       _proxyCommandTimeout.value = proxyCommand.timeout.inSeconds;
@@ -502,5 +505,12 @@ extension _Utils on _ServerEditPageState {
       _proxyCommandTimeout.value = 30;
       _proxyCommandPreset.value = null;
     }
+
+    if (Platform.isIOS) {
+      _proxyCommandEnabled.value = false;
+      _proxyCommandController.text = '';
+      _proxyCommandTimeout.value = 30;
+      _proxyCommandPreset.value = null;
+    }
   }
 }

lib/view/page/server/edit/widget.dart

@@ -450,6 +450,14 @@ extension _Widgets on _ServerEditPageState {
   }
 
   Widget _buildProxyCommand() {
+    if (Platform.isIOS) {
+      return ListTile(
+        title: const Text('ProxyCommand'),
+        subtitle: const Text('ProxyCommand is not available on iOS'),
+        trailing: const Icon(Icons.block, color: Colors.grey),
+      );
+    }
+
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [