Add Reset and Detect buttons to Config dialog

- Reset button: clears custom labels, unhides all ports, removes discovered ports
- Detect button: tries common VCP 60 values to discover available input ports
- Version bumped to 1.1.2

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

DellMonitorControl/ConfigWindow.xaml.cs

@@ -1,7 +1,10 @@
 using CMM.Library.Config;
+using CMM.Library.Method;
 using CMM.Library.ViewModel;
+using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading.Tasks;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
@@ -180,6 +183,107 @@ public partial class ConfigWindow : Window
         Close();
     }
 
+    private void ResetButton_Click(object sender, RoutedEventArgs e)
+    {
+        // Reset all port rows to default values
+        foreach (var row in _portRows)
+        {
+            row.CustomLabel = "";
+            row.IsHidden = false;
+            row.ShowInQuickSwitch = false;
+        }
+
+        // Reload the UI to reflect changes
+        LoadPortConfiguration();
+
+        // Clear any discovered ports from config
+        var config = MonitorConfigManager.GetMonitorConfig(_serialNumber);
+        config.Ports.Clear();
+        MonitorConfigManager.SaveMonitorConfig(config);
+        MonitorConfigManager.ClearCache();
+    }
+
+    private async void DetectButton_Click(object sender, RoutedEventArgs e)
+    {
+        btnDetect.IsEnabled = false;
+        btnDetect.Content = "...";
+
+        try
+        {
+            // Common VCP 60 values: 15=DP1, 16=DP2, 17=HDMI1, 18=HDMI2, 3=DVI1, 4=DVI2, 1=VGA1, 2=VGA2
+            var commonPorts = new[] { 15, 16, 17, 18, 3, 4, 1, 2 };
+            var detectedPorts = new List<int>();
+
+            // Get current input so we can restore it
+            var currentInput = await CMMCommand.GetInputSource(_serialNumber);
+
+            foreach (var vcpValue in commonPorts)
+            {
+                // Skip ports we already know about
+                if (_availablePorts.Any(p => p.Value == vcpValue))
+                    continue;
+
+                try
+                {
+                    // Try to set the input - if it succeeds, the port exists
+                    await CMMCommand.SetInputSource(_serialNumber, vcpValue);
+                    await Task.Delay(500); // Give monitor time to respond
+
+                    // Check if the input actually changed
+                    var newInput = await CMMCommand.GetInputSource(_serialNumber);
+                    if (newInput == vcpValue)
+                    {
+                        detectedPorts.Add(vcpValue);
+                    }
+                }
+                catch
+                {
+                    // Port doesn't exist or isn't supported
+                }
+            }
+
+            // Restore original input if we have one
+            if (currentInput.HasValue)
+            {
+                await CMMCommand.SetInputSource(_serialNumber, currentInput.Value);
+            }
+
+            if (detectedPorts.Count > 0)
+            {
+                // Add detected ports to the available list and config
+                foreach (var vcpValue in detectedPorts)
+                {
+                    var name = CMMCommand.GetInputSourceName(vcpValue);
+                    _availablePorts.Add(new InputSourceOption(vcpValue, name));
+                    MonitorConfigManager.AddDiscoveredPort(_serialNumber, _monitorName, vcpValue, name);
+                }
+
+                // Reload to show new ports
+                MonitorConfigManager.ClearCache();
+                LoadPortConfiguration();
+
+                MessageBox.Show($"Detected {detectedPorts.Count} new port(s):\n" +
+                    string.Join("\n", detectedPorts.Select(v => $"  • {CMMCommand.GetInputSourceName(v)}")),
+                    "Detection Complete", MessageBoxButton.OK, MessageBoxImage.Information);
+            }
+            else
+            {
+                MessageBox.Show("No additional ports were detected.", "Detection Complete",
+                    MessageBoxButton.OK, MessageBoxImage.Information);
+            }
+        }
+        catch (Exception ex)
+        {
+            MessageBox.Show($"Detection failed: {ex.Message}", "Error",
+                MessageBoxButton.OK, MessageBoxImage.Error);
+        }
+        finally
+        {
+            btnDetect.Content = "Detect";
+            btnDetect.IsEnabled = true;
+        }
+    }
+
     private class PortConfigRow
     {
         public int VcpValue { get; set; }