feat: add static cronjob

[chinhld12]

What's this PR do?

• Added static cronjob functionality to manage scheduled notifications and workflow tasks.

Key Changes

New Features

• Implemented job scheduler system with cron pattern support
• Added REST API endpoints for cronjob management
• Created notification configuration system
• Added timezone support for scheduled jobs

Added Files

• apps/agent/src/api/api-routes.ts: REST API endpoints for managing cronjobs
• apps/agent/src/constants/notification.ts: Notification configuration constants
• apps/agent/src/lib/scheduler.ts: Core scheduler implementation
• apps/agent/src/openapi/schema/cronjob.ts: OpenAPI schemas for cronjob endpoints

Modified Files

• apps/agent/package.json: Added dependencies
  • Added croner for cron job scheduling
  • Reordered @prisma/client dependency
• apps/agent/src/mastra/index.ts: Integrated API routes and scheduler initialization
• apps/agent/src/mastra/workflows/github-notify-developer-about-pr-status.ts: Added sub-job activity checks

Dependencies Added

• croner v9.0.0: Cron job scheduling library

API Endpoints

/refresh-cronjobs (GET)

• Refreshes all configured cron jobs
• Returns success/failure status with appropriate messages

/refresh-cronjobs/:id (GET)

• Refreshes a specific cron job by ID
• Requires job ID parameter

Technical Details

Scheduler Features

• Job initialization with timezone support
• Ability to refresh individual jobs
• Sub-job activity monitoring
• Graceful termination of running jobs
• Cron expression validation
• Error handling and logging