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
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FEATURE_PLAN-delete-unproved-groups.md	feat(backend): Implement automatic cleanup service	2025-11-08 12:23:49 +01:00
FEATURE_PLAN-image-description.md	docs: Update documentation for image descriptions feature	2025-11-07 18:39:48 +01:00
FEATURE_PLAN-preview-images.md	docs: add feature plan for preview images	2025-10-29 23:34:08 +01:00
FEATURE_PLAN-reordering.md	docs: update feature plan with completion status	2025-11-03 21:22:15 +01:00
REORDERING_IMPLEMENTATION_REPORT.md	docs: update README.md with new reordering features	2025-11-03 21:24:29 +01:00
UPGRADE_PLAN-upgrade-deps-react-node-20251028.md	docs: complete upgrade documentation with CHANGELOG, smoke tests, and actual timelines	2025-10-29 23:10:21 +01:00