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⚡ Bolt: [performance improvement] Memoize table grouping operations - #35

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⚡ Bolt: [performance improvement] Memoize table grouping operations#35
seonghobae wants to merge 1 commit into
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bolt-memoize-table-grouping-12683716854766693573

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@seonghobae

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💡 What: Added useMemo hooks around the array grouping functions (groupByLevel and groupByType) inside UsecaseTable.tsx and ActorTable.tsx.
🎯 Why: Previously, the grouping logic ran on every render. Toggling a single collapsible row (expanding/collapsing) updated local component state, which triggered a re-render and an unnecessary O(N) recalculation over the entire data set.
📊 Impact: Reduces main thread CPU time during row toggle interactions by preventing redundant array traversals and allocations, especially noticeable on larger projects with many actors and use cases.
🔬 Measurement: Expanding or collapsing a group in the UI is perceptibly smoother as it now bypasses the grouping operation during the render cycle. Verified visually and functionally.


PR created automatically by Jules for task 12683716854766693573 started by @seonghobae

Memoize `groupByLevel` and `groupByType` in `UsecaseTable` and `ActorTable` to prevent unnecessary O(N) array recalculations when toggling local UI collapse states.
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Reviewing files that changed from the base of the PR and between cb2b2da and 18d20c0.

📒 Files selected for processing (3)
  • .jules/bolt.md
  • apps/app/app/components/ActorTable.tsx
  • apps/app/app/components/UsecaseTable.tsx
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@seonghobae

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통합 PR에서 유효 변경만 선별해 다시 다루고 있어 이 중복/잔여 PR은 정리합니다. #39 및 vibemafiaclub/vooster#34를 기준으로 후속 검토를 진행합니다.

@seonghobae seonghobae closed this Jul 7, 2026
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