Build and debug TypeScript integrations with OpenAI Codex SDK (`@openai/codex-sdk`). Use when implementing programmatic Codex workflows with `Codex`, `startThread()`, `resumeThread()`, `run()`, `runStreamed()`, structured output schemas, image inputs, thread persistence, CLI config overrides, environment control, or `ThreadEvent` and `ThreadItem` handling.
2026-02-19