fix(schedules): limit event watch task to 7-23 hours

The event watch schedule was previously running every 5 minutes all day.
Added 'hour: 7-23' configuration to restrict the task execution to
business hours, preventing unnecessary load during off-peak times.

src/schedules/EventWatchSchedule.ts

@@ -58,6 +58,7 @@ export class EventWatchSchedule implements Schedule {
   start() {
     const schedule = nodeSchedule.scheduleJob('event-watch', {
       minute: [0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55],
+      hour: '7-23',
     }, () => this.watchEvents());
     console.debug('Start schedule:', schedule.name);
   }