Working on the stack extension to ensure it has the correct thread

Author: CapulusCodeNinja

mcp_nexus/Extensions/ExtensionExecutor.cs

@@ -442,10 +442,21 @@ private string BuildPowerShellParameterArguments(object parameters)
                 switch (property.Value.ValueKind)
                 {
                     case JsonValueKind.String:
-                        // Escape single quotes in string values
                         var stringValue = property.Value.GetString() ?? string.Empty;
-                        stringValue = stringValue.Replace("'", "''");
-                        argumentsBuilder.Append($" '{stringValue}'");
+                        
+                        // Only quote if the value contains spaces or special characters
+                        if (stringValue.Contains(' ') || stringValue.Contains('"') || stringValue.Contains('\'') || 
+                            stringValue.Contains('$') || stringValue.Contains('`') || string.IsNullOrWhiteSpace(stringValue))
+                        {
+                            // Escape single quotes and wrap in single quotes
+                            stringValue = stringValue.Replace("'", "''");
+                            argumentsBuilder.Append($" '{stringValue}'");
+                        }
+                        else
+                        {
+                            // Simple value, no quotes needed
+                            argumentsBuilder.Append($" {stringValue}");
+                        }
                         break;
 
                     case JsonValueKind.Number:

mcp_nexus_tests/Extensions/ExtensionExecutorTests.cs

@@ -493,9 +493,12 @@ public async Task ExecuteAsync_WithParameters_PassesParametersAsJson()
                 new ExtensionTokenValidator(new LoggerFactory().CreateLogger<ExtensionTokenValidator>()));
 
             var scriptContent = @"
-$params = $env:MCP_NEXUS_PARAMETERS | ConvertFrom-Json
-Write-Output ""Param1: $($params.param1)""
-Write-Output ""Param2: $($params.param2)""
+param(
+    [string]$Param1,
+    [string]$Param2
+)
+Write-Output ""Param1: $Param1""
+Write-Output ""Param2: $Param2""
 exit 0
 ";
             CreateTestScript("params.ps1", scriptContent);