SAN FRANCISCO — Bob Melvin will know more about his job status on Monday. “You know how I feel about BoMel,” said third baseman Matt Chapman, who played five seasons for Melvin in Oakland. “I think he’s amazing at what he does. The Giants pulled within half a game on September 12 but proceeded to lose nine of their next 11 games. How they responded after, by winning 11 of their next 12, Melvin said was his most encouraging piece of the season.