Status: IN
Four systems use fixed-capacity collections (deque maxlen, list pruning) that silently drop oldest entries to bound memory growth, accepting silent data loss as the tradeoff for guaranteed memory bounds.
Silent eviction via capped collections is the repo's standard memory-bounding pattern
Depends on (SL): news-feed-cache-is-bounded-deque, nearby-friends-history-bounded-100, url-shortener-click-history-bounded, gdrive-version-list-bounded