Properly handle primitive values (bool, int, etc.) in YAML inputs without quoting

Co-authored-by: danielgerlag <[email protected]>

Author: Copilot

src/WorkflowCore.DSL/Services/DefinitionLoader.cs

@@ -243,6 +243,21 @@ private void AttachInputs(StepSourceV1 source, Type dataType, Type stepType, Wor
                     continue;
                 }
 
+                // Handle primitive values (bool, int, etc.) directly
+                if (input.Value != null && (input.Value.GetType().IsPrimitive || input.Value is bool || input.Value is int || input.Value is long || input.Value is double || input.Value is decimal))
+                {
+                    var primitiveValue = input.Value;
+                    void primitiveAction(IStepBody pStep, object pData)
+                    {
+                        if (stepProperty.PropertyType.IsAssignableFrom(primitiveValue.GetType()))
+                            stepProperty.SetValue(pStep, primitiveValue);
+                        else
+                            stepProperty.SetValue(pStep, System.Convert.ChangeType(primitiveValue, stepProperty.PropertyType));
+                    }
+                    step.Inputs.Add(new ActionParameter<IStepBody, object>(primitiveAction));
+                    continue;
+                }
+
                 throw new ArgumentException($"Unknown type for input {input.Key} on {source.Id}");
             }
         }

test/WorkflowCore.UnitTests/Services/DefinitionStorage/YamlInheritedPropertyIntegrationTest.cs

@@ -31,7 +31,7 @@ public void ShouldBindInheritedPropertiesInYamlDefinition()
     StepType: WorkflowCore.TestAssets.Steps.IterateListStep, WorkflowCore.TestAssets
     Inputs:
       Collection: ""data.DataList""
-      RunParallel: ""false""
+      RunParallel: false
 ";
 
             // Act & Assert