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sayan-oai
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## Why `WorldState` currently keeps its diff baseline as live Rust objects keyed by process-local `TypeId`. That baseline cannot be written to a rollout or restored after resume, so Codex reconstructs an approximation from `TurnContextItem`. This is the first change in the WorldState persistence stack. It gives every section a stable persisted identity and a compact serializable comparison snapshot without changing rollout behavior yet. ## What changed - Require each `WorldStateSection` to define a stable ID and serializable snapshot type. - Reject duplicate section IDs when constructing `WorldState`. - Persist a dedicated environment comparison snapshot using model-visible strings instead of runtime path types. - Store only `WorldStateSnapshot` in `ContextManager`, removing the parallel live-object baseline. - Render diffs by restoring each section's typed snapshot; invalid snapshots fall back to a full section render. - Omit null object fields for future RFC 7386 patches while preserving null values inside arrays. Follow-up PRs will record full snapshots and merge patches, then restore the baseline during resume, fork, and rollback. ## Test plan - WorldState snapshot tests cover stable IDs, duplicate rejection, null omission, and array preservation. - Environment tests cover persistence-safe snapshot values and existing diff rendering. - ContextManager baseline deduplication and session context-update persistence tests. Related: #29249
3e51b46eba
·
2026-06-24 19:26:55 -07:00
7,823 Commits
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
Run the following on Mac or Linux to install Codex CLI:
curl -fsSL https://chatgpt.com/codex/install.sh | sh
Run the following on Windows to install Codex CLI:
powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex"
Codex CLI can also be installed via the following package managers:
# 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.