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fix: allow scrolling during streaming

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User scroll-up now unpins active chat streaming
Auto-follow no longer snaps back after trusted upward scrolls
This commit is contained in:
Bohdan Triapitsyn
2026-05-07 23:03:46 +03:00
parent 585e2a55f1
commit 35d95c3044
1 changed files with 4 additions and 4 deletions
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packages/ui/src/hooks/useChatScrollManager.ts
+4 -4
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@@ -375,7 +375,10 @@ export const useChatScrollManager = ({
return; return;
} }
const isProgrammatic = isMarkedAutoScroll(container.scrollTop); const currentScrollTop = container.scrollTop;
const scrollingUp = currentScrollTop < lastScrollTopRef.current;
const isTrustedScrollUp = Boolean(event?.isTrusted && scrollingUp);
const isProgrammatic = !isTrustedScrollUp && isMarkedAutoScroll(currentScrollTop);
if (isProgrammatic) { if (isProgrammatic) {
autoScrollMarkerRef.current = null; autoScrollMarkerRef.current = null;
} }
@@ -393,9 +396,6 @@ export const useChatScrollManager = ({
schedulePinnedStateAndIndicators(); schedulePinnedStateAndIndicators();
// Handle pin/unpin logic // Handle pin/unpin logic
const currentScrollTop = container.scrollTop;
const scrollingUp = currentScrollTop < lastScrollTopRef.current;
if (event?.isTrusted && !isProgrammatic) { if (event?.isTrusted && !isProgrammatic) {
if (scrollingUp && isPinnedRef.current) { if (scrollingUp && isPinnedRef.current) {
setFollowMode('none'); setFollowMode('none');