Rotation check schedule (Feature 20) (#180)

Co-authored-by: dev_agent <dev_agent@cubecraftlabs.com>

cmd/server/main.go

@@ -204,6 +204,9 @@ func run(cfg config.Config, logger *slog.Logger) error {
 			return err
 		}
 	}
+	if err := sched.Register(planSvc.RotationCheckSchedule()); err != nil {
+		return err
+	}
 	if err := sched.Register(shopSvc.ChatAutosendSchedule()); err != nil {
 		return err
 	}