3 Commits

Author	SHA1	Message	Date
matthias.lotz	939cf22163	feat(backend): Implement automatic cleanup service ... Phase 2 Complete - Backend Core Logic New Components: - DeletionLogRepository: CRUD for deletion audit trail - GroupCleanupService: Core cleanup logic - findGroupsForDeletion() - finds unapproved groups older than 7 days - deleteGroupCompletely() - DB + file deletion - deletePhysicalFiles() - removes images & previews - logDeletion() - creates audit log entry - getDaysUntilDeletion() - calculates remaining days - performScheduledCleanup() - main cleanup orchestrator - SchedulerService: Cron job management - Daily cleanup at 10:00 AM (Europe/Berlin) - Manual trigger for development GroupRepository Extensions: - findUnapprovedGroupsOlderThan(days) - deleteGroupCompletely(groupId) - getGroupStatistics(groupId) Dependencies: - node-cron ^3.0.3 Integration: - Scheduler auto-starts with server (server.js) - Comprehensive logging for all operations Tasks completed: ✅ 2.3, ✅ 2.4, ✅ 2.5	2025-11-08 12:23:49 +01:00
matthias.lotz	0471830e49	feat: add Sharp library and ImagePreviewService ... - Install sharp@0.33.5 for image processing - Create ImagePreviewService with preview generation - Support 800px max width, JPEG 85% quality - Automatic directory creation on first use - Include preview size reduction logging - Add cleanup method for orphaned previews	2025-10-30 20:25:33 +01:00
matthias.lotz	48bf6f2074	Initial Commit	2025-10-15 21:33:00 +02:00