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fix(session): header backdrop-blur off while the context-tree band is open #97

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Merged
kateebonner merged 1 commit into from
Jul 28, 2026
Merged

fix(session): header backdrop-blur off while the context-tree band is open #97

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10 changes: 9 additions & 1 deletion packages/app/src/pages/session/message-timeline.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -1409,7 +1409,15 @@ export function MessageTimeline(props: {
}}
data-session-title
classList={{
"sticky top-0 z-30 bg-[linear-gradient(to_bottom,var(--background-stronger)_48px,transparent)] backdrop-blur-[10px]": true,
"sticky top-0 z-30 bg-[linear-gradient(to_bottom,var(--background-stronger)_48px,transparent)]": true,
// The frosted fade only while the header is slim. With the
// context-tree band open the header is ~300px tall and the band
// sits inside the pl-4 gutter — the blur samples transcript
// content through that transparent 16px strip and smears it into
// a grey streak along the straight left edge (worst on light).
// The band is opaque below the 48px title strip anyway, so the
// blur buys nothing there.
"backdrop-blur-[10px]": !contextTreeVisible(),
"w-full": true,
// the tall padding exists to seat the entity-chip rail; the
// context-tree block closes the header itself when it renders,
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