This is hard-coded for Baten Kaitos right now. I don't know what it would take to generalize it.

It's not actually hardcoded for anything right now, the select few existing Baten Kaitos runs that have a higher time than the limit right now were edited manually in the database, circumventing the limit imposed by the edit run form.

Adding an option for it is a possibility, but hasn't been done up to now since the option would be irrelevant for >99.9% of the games and adding any option bloats the code ever so slightly. If there is actual need for it that would be reconsidered but I would like to have concrete examples from the people who would actually be using the option.