feat(web): mark diff files as viewed - #4
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Add a per-file "viewed" checkbox to the diff panel file headers so reviewers can track review progress. Toggling it marks the file viewed and collapses it (unchecking expands), mirroring the standard code review workflow. Viewed state is persisted to localStorage via a new diffViewedStore, scoped per thread + diff selection (same scope key used for collapse), and folded into the CodeView item version hash so headers re-render reliably when the flag changes. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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What
Adds a per-file "viewed" checkbox to the diff panel file headers so reviewers can track their progress through a diff.
localStorageand scoped per thread + diff selection (same scope key as collapse state), so it survives reloads and resets when switching turns/scopes.Changes
apps/web/src/diffViewedStore.ts(new) — persisted Zustand store (viewedByScope) mirroring the existingdiffPanelStorepattern, withtoggleFileViewed/setFileViewed/clearScopeactions and aselectViewedFileKeysselector.apps/web/src/components/DiffPanel.tsx— renders aCheckboxalongside the collapse chevron in each file header; toggling flips viewed state and collapses/expands the file.apps/web/src/components/diffs/AnnotatableCodeView.tsx— acceptsviewedFileKeysand folds the flag into each item's version hash so headers re-render reliably.Verification
pnpm typecheck(web app) passes.🤖 Generated with Claude Code