Fix desktop tab scrolling stopping outside tab buttons - #2287
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SawyerHood merged 2 commits intoAug 24, 2026
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kongenpei
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What was wrong
The macOS header is a window drag region. Tab buttons were excluded, but the scroll viewport was not, so Electron stopped routing wheel input when the pointer crossed a tab edge.
What changed
Exclude the tab viewport from the desktop drag region and cover desktop and web class behavior.
How you verified
pnpm exec turbo run typecheck --filter=@bb/apppnpm exec turbo run test --filter=@bb/app --force(421 files, 3271 passed)Fixes #2301