Plan: Processor shouldn't need reference to command service, able to query command request and create command by itself.
Use JsonDerivedType for serialization of arguments.
Remove command type, add direct reference to command type in attribute instead. Move command attribute to args for easier access.
Plan: Processor shouldn't need reference to command service, able to query command request and create command by itself. Use JsonDerivedType for serialization of arguments. Remove command type, add direct reference to command type in attribute instead. Move command attribute to args for easier access.