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…g streaming, enhance message handling in NewChatPage, and improve thread viewport scrolling behavior
…switch and add new SSE event for document updates
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Review by RecurseML
🔍 Review performed on 3d74cca..2a06d03
✨ No bugs found, your code is sparkling clean
✅ Files analyzed, no issues (4)
• surfsense_web/app/dashboard/[search_space_id]/new-chat/[[...chat_id]]/page.tsx
• surfsense_web/components/assistant-ui/markdown-text.tsx
• surfsense_web/components/assistant-ui/thread.tsx
• surfsense_web/lib/chat/streaming-state.ts
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Description
Motivation and Context
FIX #
Screenshots
API Changes
Change Type
Testing Performed
Checklist
High-level PR Summary
This PR fixes chat UI responsiveness issues by introducing a batching mechanism (
FrameBatchedUpdater) that throttles rapid state updates during SSE streaming. The changes reduce unnecessary React reconciliation passes by batching text-delta events into ~50ms intervals while immediately flushing on tool events, eliminating UI flicker during message streaming. Additionally, the PR fixes a thread initialization bug where switching search spaces with the same chat ID wouldn't re-initialize properly, disables smooth scrolling in markdown rendering, and improves auto-scroll behavior after message submission by polling for viewport height changes.⏱️ Estimated Review Time: 30-90 minutes
💡 Review Order Suggestion
surfsense_web/lib/chat/streaming-state.tssurfsense_web/components/assistant-ui/markdown-text.tsxsurfsense_web/components/assistant-ui/thread.tsxsurfsense_web/app/dashboard/[search_space_id]/new-chat/[[...chat_id]]/page.tsx