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fix(app): session timeline jumping on scroll (#18993)

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This commit is contained in:
Adam
2026-03-24 13:51:09 -05:00
committed by GitHub
parent e837dcc1c5
commit b848b7ebae
1 changed files with 9 additions and 4 deletions
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packages/app/src/pages/session.tsx
+9 -4
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@@ -246,14 +246,19 @@ function createSessionHistoryWindow(input: SessionHistoryWindowInput) {
if (added <= 0) return if (added <= 0) return
if (growth <= 0) return if (growth <= 0) return
if (opts?.prefetch) {
const current = turnStart()
preserveScroll(() => setTurnStart(current + growth))
return
}
if (turnStart() !== start) return if (turnStart() !== start) return
const reveal = !opts?.prefetch
const currentRendered = renderedUserMessages().length const currentRendered = renderedUserMessages().length
const base = Math.max(beforeRendered, currentRendered) const base = Math.max(beforeRendered, currentRendered)
const target = reveal ? Math.min(afterVisible, base + turnBatch) : base const target = Math.min(afterVisible, base + turnBatch)
const nextStart = Math.max(0, afterVisible - target) preserveScroll(() => setTurnStart(Math.max(0, afterVisible - target)))
preserveScroll(() => setTurnStart(nextStart))
} }
const onScrollerScroll = () => { const onScrollerScroll = () => {