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perf: reduce status row rerenders while streaming

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Keeps assistant status stable during text deltas
Updates status only when activity changes
Narrows todo subscriptions when hidden
This commit is contained in:
Bohdan Triapitsyn
2026-05-27 14:19:15 +03:00
parent cfd13544bd
commit 62a5a254b3
2 changed files with 167 additions and 211 deletions
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packages/ui/src/components/chat/StatusRow.tsx
+13 -6
View File
@@ -155,19 +155,26 @@ export const StatusRow: React.FC<StatusRowProps> = ({
const { t } = useI18n();
const [isExpanded, setIsExpanded] = React.useState(false);
const currentSessionId = useSessionUIStore((state) => state.currentSessionId);
const todosRecord = useDirectorySync((state) => state.todo);
const liveTodos = useDirectorySync(
React.useCallback(
(state) => {
if (!showTodos || !currentSessionId) return EMPTY_TODOS;
return state.todo[currentSessionId] ?? EMPTY_TODOS;
},
[currentSessionId, showTodos],
),
);
const persistedSessionTodos = useTodosPersistStore(
React.useCallback(
(state) => (currentSessionId ? state.sessions[currentSessionId]?.todos : undefined),
[currentSessionId],
(state) => (showTodos && currentSessionId ? state.sessions[currentSessionId]?.todos : undefined),
[currentSessionId, showTodos],
),
);
const todos: TodoItem[] = React.useMemo(() => {
if (!currentSessionId) return EMPTY_TODOS;
const live = todosRecord[currentSessionId];
if (live && live.length > 0) return live;
if (liveTodos.length > 0) return liveTodos;
return persistedSessionTodos ?? EMPTY_TODOS;
}, [todosRecord, persistedSessionTodos, currentSessionId]);
}, [liveTodos, persistedSessionTodos, currentSessionId]);
const isMobile = useUIStore((state) => state.isMobile);
const isCompact = isMobile || isVSCodeRuntime();