For me it’s simple, trade for him even if it means burning a 2nd rounder to do it, but Raiders have to eat as much salary as possible, i.e. we only pay vet minimum for him the rest of the season.
Play out the season, if we make playoffs and it works then we work out an extension or rework the 25 million cap hit he has next season.
If we still miss the playoffs and it all goes to hell, cut Adams, fire the entire coaching staff, start working towards clearing the older players (this will take 2 seasons), find a young up and coming coach (throw the bag at Ben Johnson) and let it be known we will be patient while rebuilding with what will be a very young and cheap roster.