Stop Hand-Rolling Chat UIs: Streaming LLM Tokens Into React Native Without the Jank
SMRTR summary
Building a smooth LLM chat UI in React Native is deceptively hard — keyboard handling and live-streaming content fight over scroll position on every frame. After a week debugging jank caused by two correct systems writing to layout simultaneously, the fix came from `KeyboardChatScrollView` in react-native-keyboard-controller v1.21.0, which reserves space for streaming replies instead of reactively recomputing layout.
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