perf(PageLayout): eliminate per-frame React renders during window resize#7847

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copilot/fix-pane-width-update

Commits on May 18, 2026

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perf(PageLayout): eliminate React renders during window resize in usePaneWidth

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mattcosta7
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fix test: replace vi.runAllImmediateAsync?.() with vi.advanceTimersByTimeAsync(149/1) split

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mattcosta7
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