The Chatbot Was Easy. The Engineering Wasn't.
SMRTR summary
A Node.js developer shares how a 'simple' banking chatbot WebSocket job exploded into a 12-service architecture. What started with a joke about cricket scores exposed real gaps: intent detection, semantic caching with Redis vector search, LLM latency, classifier optimization, and a cascade of production problems nobody planned for , but every real system eventually forces you to solve.
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