I don't think its been confirmed, but why would they jam all teams two bye weeks into the current 9 week period (currently weeks 5-14, week 8 had no bye weeks in 2023)? I could see them making the bye week period a little longer, maybe even having two "sections" so bye weeks aren't too close and each team has one in the first part and one in the second part. Maybe even a rule stating the two bye weeks could be no less than "x" weeks apart.
I'm no lawyer, but I would have to think that the broadcast contracts have clauses built in about adding more games to the schedule as a cause for renegotiation or specific stipulations. The league added an extra game 2 years ago without major hiccups.