Multi-turn chat API in Node.js 2026: history and token budgets
Build a multi-turn Node.js chat API with server-side message history, context compaction, and hard per-session token budget enforcement in under 90 lines.
LLMTest Blog6 min read
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Build a multi-turn Node.js chat API with server-side message history, context compaction, and hard per-session token budget enforcement in under 90 lines.
Add token counting, sliding window, and summarization compaction to a Node.js chat route to keep conversations coherent without blowing the context budget.
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