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Audit frontend performance for the EPUB reader and entity UI. Use when the reader is slow, entity drawer lags, or bundle size grows.
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| name | perf-audit |
| description | Audit frontend performance for the EPUB reader and entity UI. Use when the reader is slow, entity drawer lags, or bundle size grows. |
| allowed-tools | Bash, Read, Grep, Glob |
cd frontend && npm run build 2>&1 | tail -20
cd frontend && time npx tsc --noEmit
useCallbackuseMemouseProgressSync debounced at 5sEpubReader.tsx (286 lines, orchestrator)useDescriptionHighlighting.ts (8 search strategies)EntityDrawer.tsx, EntityList.tsxchapterCache.ts (IndexedDB)