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57ce0ff2aa
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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
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2025-11-09 13:23:27 +01:00 |
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