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>

Library/Method/CMMCommand.cs

@@ -39,17 +39,21 @@ public static class CMMCommand
                 CMMexe,
                 $"/GetValue {monitorSN} {vcpCode}");
 
-            // Empty result means timeout - don't retry, monitor is unresponsive
-            if (string.IsNullOrEmpty(output) && exitCode == -1)
+            // Timeout
+            if (exitCode == -1)
                 return string.Empty;
 
-            // Parse output - ControlMyMonitor outputs the value directly
-            var value = output?.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries).LastOrDefault()?.Trim();
+            // ControlMyMonitor returns the value as the exit code
+            // Exit code > 0 means success with that value
+            if (exitCode > 0)
+                return exitCode.ToString();
 
-            if (!string.IsNullOrEmpty(value) && exitCode == 0)
+            // Also check stdout in case it outputs there
+            var value = output?.Split(new[] { '\r', '\n' }, StringSplitOptions.RemoveEmptyEntries).LastOrDefault()?.Trim();
+            if (!string.IsNullOrEmpty(value) && value != "0")
                 return value;
 
-            // Only retry on non-timeout failures
+            // Only retry on failure
             if (attempt < maxRetries)
                 await Task.Delay(300);
         }