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fix(ui-tui): hide stale sticky prompt when newer prompt is visible

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Sticky prompt selection only considered the top edge of the viewport, so it could keep showing an older user prompt even when a newer one was already visible lower down. Suppress sticky output whenever a user message is visible in the viewport and cover it with a regression test.
This commit is contained in:
Brooklyn Nicholson
2026-04-23 14:32:29 -05:00
parent aa47812edf
commit 9a885fba31
3 changed files with 41 additions and 2 deletions
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ui-tui/src/components/appChrome.tsx
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@@ -270,7 +270,7 @@ export function StickyPromptTracker({ messages, offsets, scrollRef, onChange }:
const vp = Math.max(0, s?.getViewportHeight() ?? 0)
const total = Math.max(vp, s?.getScrollHeight() ?? vp)
const atBottom = (s?.isSticky() ?? true) || top + vp >= total - 2
const text = stickyPromptFromViewport(messages, offsets, top, atBottom)
const text = stickyPromptFromViewport(messages, offsets, top + vp, top, atBottom)
useEffect(() => onChange(text), [onChange, text])