Xavier watched for silently for a long moment. It would be useful if he had mastered the art of Occlumency right now. Alas, that had never been one of his talents. Still, he'd take her at face value for the moment, though he'd do some digging on her too. It could happen that she could be useful in the future, and if not useful, then at least a pleasant diversion.
"Yes, it is," he said finally, nodding, though he didn't take his eyes from her. "And that is quite a good idea, Miss Spinnet. I will bring it up with the Minister himself, crediting you, of course, for the idea."
Certainly not allowing those who were going to be called into the Ministry access would be a wise move, and one noe one had addressed as of yet. The focus had been on those who had been convicted already - or would soon be. Perhaps some sort of verification of Blood before access was granted. And he might just credit her like he said.