af49d38373
# Why Compaction replaces the live conversation history, so hooks that use `SessionStart` to re-inject durable model context need a way to run again after that rewrite. Related - #19905 adds dedicated compact lifecycle hooks # What - add `compact` as a supported `SessionStart` source and matcher value - change pending `SessionStart` state from a single slot to a small FIFO queue so `resume` / `startup` / `clear` can be preserved alongside a later `compact` - drain all queued `SessionStart` sources before the next model request, preserving their original order # Testing The new integration coverage verifies both the basic `compact` matcher path and the stacked `resume` -> `compact` case where both hooks contribute `additionalContext` to the next model turn.
npm i -g @openai/codex
or brew install --cask codex
Codex CLI is a coding agent from OpenAI that runs locally on your computer.
If you want Codex in your code editor (VS Code, Cursor, Windsurf), install in your IDE.
If you want the desktop app experience, run
codex app or visit the Codex App page.
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Quickstart
Installing and running Codex CLI
Install globally with your preferred package manager:
# Install using npm
npm install -g @openai/codex
# Install using Homebrew
brew install --cask codex
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codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
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codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
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This repository is licensed under the Apache-2.0 License.