Writeups
Technical writeups.
Engineering decisions, the problems behind them, and what changed after testing. Client identities and products stay confidential.
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React.memo cannot fix a C++ deserialization lock
Animations kept moving, but input froze for ten seconds. Tracing a React Native loading problem past render optimizations to synchronous object construction.
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Why a system prompt is not a security boundary
Sandbox testing caught an inherited-permissions bug days before deployment. Separating service credentials removed a public chatbot's access to private documents.