- Implement QuestionPublisherScheduler with full cron expression parser
- Add schedule management in /manage command (add, edit, delete)
- Create schedules and schedule_runs tables in database
- Add delete_schedule method to repository
- Create comprehensive SCHEDULER_GUIDE.md with examples
- Add README.md with project overview
- Support for active/inactive schedules
- Automatic question publishing based on cron schedules
- Protection against duplicate runs in the same minute
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>