(The Center Square) – The city of Spokane approved the final contract extension for its largest congregate homeless shelter last week, but now the Trent Shelter might not close for good on Halloween after all. The Trent Resource and Assistance Center, or Trent Shelter, opened two years ago and could sleep roughly 450 people as recently as January, though not anymore. Mayor Lisa Brown prioritized closing the facility and transitioning away from that model when taking office this year. Brown wants to limit the use of the congregate model and transition toward scattered site shelters. When the ci…