code: def select_next(self):
          
          self.footer.clear_message()
  
          old_index = self.selected
          new_index = self.selected + 1
  
          # Load more statuses if no more are available
          if self.selected + 1 >= len(self.statuses):
              self.fetch_next()
              self.left.draw_statuses(self.statuses, self.selected, new_index - 1)
              self.draw_footer_status()
  
          self.selected = new_index
          self.redraw_after_selection_change(old_index, new_index)
docs: Move to the next status in the timeline.