Files
5chan/src/lib/utils
plebeius 896ca4ad13 perf: implement LRU-cached persistent feed mounting to eliminate Virtuoso flash
Keep Board/Catalog feeds mounted outside React Router's control to prevent
Virtuoso from remounting when navigating to/from post pages. The feed is
hidden via CSS when viewing posts and shown again when returning, eliminating
the visible flash/displacement that occurred during scroll restoration.

- Add FeedCacheContainer to manage LRU cache of 2 feeds
- Modify Board/Catalog to accept cache props and visibility state
- Add route utilities for feed/post route detection
2025-12-08 22:40:16 +01:00
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