I don’t know what to do with this response. It doesn’t help me with the problem I am talking about. If you want to answer one of the specific questions I asked above, that would be appreciated but I don’t know how to translate thick skin alpha software metaphors into anything useful. Can I “log in” to that site with Alby or not?

Just try every option without pasting in your high value nsec. If none of them work then the answer is: No, you can't.