=== Testing Refactored Cron Class ===

Test 1: Instantiating Cron class...
✓ Cron class instantiated successfully

Test 2: Verifying Cron class structure...
✓ run() method exists
✓ Constructor signature correct
  - Parameter: pdo (nullable PDO)

Test 3: Verifying internal dependencies...
✓ Property exists: pdo
✓ Property exists: logger
✓ Property exists: locking
✓ Property exists: notificationProcessor
✓ Property exists: scheduleProcessor
✓ Property exists: studyProcessor

Test 4: Verifying new Cron classes...
✓ Class exists: CronBootstrap
✓ Class exists: CronLocking
✓ Class exists: CronLogging
✓ Class exists: NotificationProcessor
✓ Class exists: ScheduleProcessor
✓ Class exists: StudyProcessor
✓ Class exists: CollectionHelper
✓ Class exists: VerseReferencePipeline
✓ Class exists: NotificationContentBuilder
✓ Class exists: StudyPositionExceededException

=== ALL TESTS PASSED ===
Refactoring successful - Cron class is now modular and maintainable!