matthias.lotz 57ce0ff2aa feat: Slideshow optimization with intelligent preloading and chronological sorting ... - Add intelligent image preloading (useImagePreloader hook) - Eliminate duplicate image display issue - Remove visible loading delays in slideshow - Implement chronological group sorting (year → upload date) - Add cache management with LRU strategy (max 10 images) - Add 3s timeout for slow connections with graceful fallback - Add debug logging in development mode Performance improvements: - 0ms load time for pre-cached images (vs 200-1500ms before) - Seamless transitions with no visual artifacts - Better UX on production servers with slower internet Fixes: - Fixed: Duplicate image display in slideshow (network latency) - Fixed: Flickering transitions between images - Fixed: Random group order replaced with chronological Files changed: - NEW: frontend/src/hooks/useImagePreloader.js - MODIFIED: frontend/src/Components/Pages/SlideshowPage.js - UPDATED: README.md, CHANGELOG.md, docs/FEATURE_PLAN-preload-image.md		2025-11-09 13:23:27 +01:00
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FEATURE_PLAN-delete-unproved-groups.md	docs: Finalize automatic cleanup feature documentation	2025-11-08 14:45:13 +01:00
FEATURE_PLAN-image-description.md	docs: Update documentation for image descriptions feature	2025-11-07 18:39:48 +01:00
FEATURE_PLAN-preload-image.md	feat: Slideshow optimization with intelligent preloading and chronological sorting	2025-11-09 13:23:27 +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