⚡ Bolt: 불필요한 chordsBySectionLabel 계산 제거 (렌더링 최적화)#554
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…ptimize render Removed the unused `chordsBySectionLabel` calculation inside the `ChordsFeature` component. This derived map was computed on every render using nested loops over the entire song section/role topology, but the result was never used in the component's JSX output. This removal saves CPU cycles and prevents unnecessary intermediate array/map allocations and garbage collection overhead during React render cycles.
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…ptimize render Removed the unused `chordsBySectionLabel` calculation inside the `ChordsFeature` component. This derived map was computed on every render using nested loops over the entire song section/role topology, but the result was never used in the component's JSX output. This removal saves CPU cycles and prevents unnecessary intermediate array/map allocations and garbage collection overhead during React render cycles.
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💡 What:
ChordsFeature컴포넌트(apps/desktop/src/features/chords/index.tsx)의 렌더링 과정에서 계산되지만 반환되는 UI에는 사용되지 않는chordsBySectionLabelMap 계산 로직을 완전히 제거했습니다.🎯 Why:
song.sections와section.roles를 순회하며 불필요한 배열과 Map을 생성하는 O(N) 연산이 반복되어 CPU 자원을 낭비하고 GC(가비지 컬렉션) 오버헤드를 발생시켰기 때문입니다. 이 코드는 '죽은 코드(dead code)'였습니다.📊 Impact:
ChordsFeature렌더링 시 발생하는 메모리 할당 및 CPU 사용량을 절감하여 렌더링 성능이 즉각적으로 개선됩니다. 특히 섹션과 역할이 많은 대형 프로젝트(음원)를 다룰 때 불필요한 GC 스파이크를 방지합니다.🔬 Measurement:
./scripts/harness/quickcheck.sh스크립트를 통해 전체 테스트 커버리지 및 상태가 100% 정상(Green)임을 확인했습니다. 기능적 회귀 없이 순수하게 불필요한 연산만 제거되었습니다.PR created automatically by Jules for task 4679733735981287554 started by @seonghobae