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Merge pull request #2423 from deepseek-harness/xtr/fix-web-ui-geometry-and-sidebar-motion

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fix(web): align composer geometry and sidebar motion
This commit is contained in:
_Kerman
2026-08-13 15:57:44 +08:00
committed by GitHub
parent dc0843c630 68e1d5a587
commit df643627c9
30 changed files with 409 additions and 112 deletions
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23
packages/client/ui-conversation/src/client/skeleton/ConversationRoot.module.css
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@@ -272,12 +272,17 @@
.scrollBody:has([data-conversation-composer-overlay]) {
position: relative;
/* A clipping box nothing scrolls out of, stated as a scroll container on both
axes rather than `overflow: hidden`: WebKit honours the reservation above
only in the `overflow-y: auto` form, and a single-axis scroller computes
the other axis to `auto`
([decision](../../../../../../.agents/notes/implemented/bug-fix/2026-08-04-composer-tab-gutter-reservation.md)). */
axes rather than `overflow: hidden`: a single-axis scroller computes the
other axis to `auto`, and the seat's absolute positioning below needs the
box to stay a containing block in every engine. */
overflow-x: hidden;
overflow-y: auto;
/* The view owns its own scrollers (the trajectory ledger scrolls inside the
view), so this box never scrolls here; reserving a gutter would only
narrow the view's content by the bar's width. Chat keeps the reservation
on the same element, so the seat below compensates with the bar's width
([decision](../../../../../../.agents/notes/implemented/bug-fix/2026-08-04-composer-tab-gutter-reservation.md)). */
scrollbar-gutter: auto;
}
.scrollBody:has([data-conversation-composer-overlay]) > :global([data-slot='conversation.session']) > .viewArea {
@@ -288,7 +293,15 @@
.scrollBody:has([data-conversation-composer-overlay]) > .composerSeat {
position: absolute;
right: 0;
/* Chat's seat rides this box's content box, which its own scrolling shortens
by the bar's width; the overlay seat is against the padding box, so it
must give back the same width to keep the input card in place across
tabs. Reads ui-theme's --dsh-scrollbar-width, which mirrors the WebKit
bar's layout width. Chat reserves the engine-resolved width, so on an
engine where the resolved width differs from this fixed 8px the card
drifts by half the difference — accepted residual risk, recorded in
([decision](../../../../../../.agents/notes/implemented/bug-fix/2026-08-12-composer-overlay-seat-width-compensation.md)). */
right: var(--dsh-scrollbar-width);
bottom: 0;
left: 0;
}