fix(viewer): keep Add-comment popover attached to highlighted text on scroll#326

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fix/comment-popover-scroll-tracking

Commits on Apr 29, 2026

fix(viewer): keep Add-comment popover attached to highlighted text on scroll

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fix(viewer): drop selection on page content change

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Commits on Apr 30, 2026

perf(viewer): skip re-measure write when selection rect is unchanged

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refactor(viewer): extract useRangeRect hook for selection popover

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refactor(viewer): share window-listener wiring between useRangeRect and observeElement

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refactor(viewer): fold useRangeRect into a generic useAnchorOffset

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refactor(viewer): rename observeElement and dedupe DOMRect test helpers

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refactor(viewer): fold null-target reset into observeTarget via onLost

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