Campaign Scheduler Handle Cleanup

Name: Cleanup Scheduler

Trigger Type: Recursive

Trigger Time: Executes Every 5 minutes

Responsibilities: This scheduler performs the following actions:

1. Moves calls that have exceeded their timeout into the failed state.
2. Check and send review emails if any call is completed
3. Check and send campaigns report if any campaign is completed
4. Move the campaign into completed state if all the calls reached failed or completed state
5. Remove campaign schedules if campaign is reached to completed state