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## Why A realtime session can end after more transcript has accumulated than was included in its last handoff. That tail already lives in core's active transcript state, but the stop path aborted the realtime input/fanout tasks before routing it, so the final bit of the conversation could disappear before `thread/realtime/closed`. This behavior is still being evaluated, so clients must opt in per realtime session. Omitted or false leaves shutdown behavior unchanged. ## What changed - Add optional `flushTranscriptTailOnSessionEnd` to `thread/realtime/start`, defaulting to false in app-server. - Expose an idempotent `take_transcript_tail()` from the existing active transcript state using `last_handoff_entry_count`. - When enabled, let shutdown cancel the input owner cleanly and publish at most one final existing `<realtime_delegation>` with the remaining text in `<transcript_delta>`. - Have the existing fanout drain already-parsed events before routing that final delegation, so a queued handoff wins first and is not duplicated in the tail. - Flush realtime shutdown before ordinary session task abort during core cleanup. ## Validation - `just test -p codex-app-server-protocol` - `just test -p codex-app-server realtime_conversation_stop_emits_closed_notification` - `just test -p codex-core conversation_transport_close_` - `just test -p codex-core conversation_close_routes_only_remaining_transcript_tail_once` - scoped `just fix` for `codex-app-server-protocol`, `codex-app-server`, `codex-protocol`, and `codex-core` - `just fmt`
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.