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## Why App-server config writes were leaving existing threads partially stale. After a config mutation, the app-server told each live thread to run `Op::ReloadUserConfig`, but that path only re-read the user `config.toml` layer. Settings that came from the app-server's materialized config snapshot did not propagate to existing threads until restart. This change prevent a FS access from `core` for CCA. ## What changed - add `CodexThread::refresh_runtime_config()` and `Session::refresh_runtime_config()` so the app-server can push a freshly rebuilt config snapshot into a live thread - rebuild the latest config with each thread's `cwd` after config mutations, then refresh the thread from that snapshot instead of asking it to reload only `config.toml` - keep session-static settings unchanged during refresh, while updating runtime-refreshable state such as the config layer stack, `tool_suggest`, and derived hook/plugin/skill state - keep `reload_user_config_layer()` as the file-backed fallback for legacy local reload flows, but route the shared refresh logic through the new runtime refresh path ## Testing - add a session test that verifies `refresh_runtime_config()` rebuilds hooks from refreshed config - add a session test that verifies runtime-refreshable fields update while session-static settings like `model` and `notify` stay unchanged --------- Co-authored-by: Codex <noreply@openai.com>
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.
If you are looking for the cloud-based agent from OpenAI, Codex Web, go to chatgpt.com/codex.
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
Then simply run codex to get started.
You can also go to the latest GitHub Release and download the appropriate binary for your platform.
Each GitHub Release contains many executables, but in practice, you likely want one of these:
- macOS
- Apple Silicon/arm64:
codex-aarch64-apple-darwin.tar.gz - x86_64 (older Mac hardware):
codex-x86_64-apple-darwin.tar.gz
- Apple Silicon/arm64:
- Linux
- x86_64:
codex-x86_64-unknown-linux-musl.tar.gz - arm64:
codex-aarch64-unknown-linux-musl.tar.gz
- x86_64:
Each archive contains a single entry with the platform baked into the name (e.g., codex-x86_64-unknown-linux-musl), so you likely want to rename it to codex after extracting it.
Using Codex with your ChatGPT plan
Run codex and select Sign in with ChatGPT. We recommend signing into your ChatGPT account to use Codex as part of your Plus, Pro, Business, Edu, or Enterprise plan. Learn more about what's included in your ChatGPT plan.
You can also use Codex with an API key, but this requires additional setup.
Docs
This repository is licensed under the Apache-2.0 License.