Introduce AuthScopedFilter to automatically set the AddedWho property on IAuthScoped commands using configuration, and register it globally for all controllers. Remove manual AddedWho assignment from ResultViewController. Make AddedWho nullable in AuthScope and IAuthScoped.
Changed AuthScope.AddedWho to be mutable (get; set;). In ResultViewController, set AddedWho from configuration in the Create action and throw an error if missing. Ensures AddedWho is always set and configuration issues are clearly reported.
Introduce IScoped<TScope> interface for unified scope access and add AuthScope record. Remove legacy IScopedRequest interfaces to streamline scope management across the application.
