Max Weinbach7/21/2026, 10:11:19 PM

- Optimize SocketSendQueue queue eviction to O(1) property checks without JSON parsing under backpressure
- Micro-batch streaming token deltas in 16ms windows to reduce WebSocket frame overhead
- Defer tool input schema validation until stream completion
- Add WeakMap caching for desktop activity group render items to eliminate redundant re-renders
- Isolate live timer clock updates into dedicated LiveTimerLabel component
- Memoize Streamdown markdown props and citation map calculations
- Add stress test coverage for queue backpressure and UI component isolation

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