Fix: Expose ActorType on MutationContext for external policy inspection - #98

Non-nullable property 'Metrics' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'ValidationResult' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Changes' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Metrics' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'ValidationResult' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.