SEATTLE — The Seahawks will keep quarterback Geno Smith on the roster through the end of the week, which will fully guarantee his $12.7 million base salary, a source confirmed to The Seattle Times. ESPN first reported Thursday that Smith had “been informed today” that he will remain on the roster and will collect the money. Smith’s contract, signed last March, included a clause that if he remained on the roster through Friday that his base salary would become fully guaranteed. As ESPN’s Adam Schefter noted, the move does not necessarily guarantee he will be the team’s QB in 2024. “The Seahawks…