LLM Structured Outputs in Node.js: Fix Broken JSON From AI

LLM structured outputs stop AI APIs from returning broken JSON. Learn the Node.js + Zod fix for OpenAI and Claude, plus refusal and truncation gotchas.

LLM structured outputs stop AI APIs from returning broken JSON. Learn the Node.js + Zod fix for OpenAI and Claude, plus refusal and truncation gotchas.