feat: annotatable diff view with block-level hover#309

Merged

backnotprop merged 7 commits intomainfrom

feat/plan-diff-annotations

Mar 16, 2026

Commits on Mar 16, 2026

refactor: extract useAnnotationHighlighter hook from Viewer

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feat: block-level diff annotation with diffContext support

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fix: scroll-to-selected and visible highlight ring for diff annotations

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cleanup: memoize annotation filters, fix timer leaks, use blockId for highlight rings

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fix: preserve normal annotations across diff toggle

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fix: store full block content in diff annotations instead of truncating to 500 chars

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merge: resolve conflict with main (tater sprite z-index, toolstrip visibility)

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