Commit Graph

45 Commits

  • feat: stream exec stdout events (#1786)
    ## Summary
    - stream command stdout as `ExecCommandStdout` events
    - forward streamed stdout to clients and ignore in human output
    processor
    - adjust call sites for new streaming API
  • Add /compact (#1527)
    - Add operation to summarize the context so far.
    - The operation runs a compact task that summarizes the context.
    - The operation clear the previous context to free the context window
    - The operation didn't use `run_task` to avoid corrupting the session
    - Add /compact in the tui
    
    
    
    https://github.com/user-attachments/assets/e06c24e5-dcfb-4806-934a-564d425a919c
  • Send account id when available (#1767)
    For users with multiple accounts we need to specify the account to use.
  • chore: refactor exec.rs: create separate seatbelt.rs and spawn.rs files (#1762)
    At 550 lines, `exec.rs` was a bit large. In particular, I found it hard
    to locate the Seatbelt-related code quickly without a file with
    `seatbelt` in the name, so this refactors things so:
    
    - `spawn_command_under_seatbelt()` and dependent code moves to a new
    `seatbelt.rs` file
    - `spawn_child_async()` and dependent code moves to a new `spawn.rs`
    file
  • Add codex login --api-key (#1759)
    Allow setting the API key via `codex login --api-key`
  • fix git tests (#1747)
    the git tests were failing on my local machine due to gpg signing config
    in my ~/.gitconfig. tests should not be affected by ~/.gitconfig, so
    configure them to ignore it.
  • Add support for a separate chatgpt auth endpoint (#1712)
    Adds a `CodexAuth` type that encapsulates information about available
    auth modes and logic for refreshing the token.
    Changes `Responses` API to send requests to different endpoints based on
    the auth type.
    Updates login_with_chatgpt to support API-less mode and skip the key
    exchange.
  • Relative instruction file (#1722)
    Passing in an instruction file with a bad path led to silent failures,
    also instruction relative paths were handled in an unintuitive fashion.
  • chore: update Codex::spawn() to return a struct instead of a tuple (#1677)
    Also update `init_codex()` to return a `struct` instead of a tuple, as well.
  • fix: create separate test_support crates to eliminate #[allow(dead_code)] (#1667)
    Because of a quirk of how implementation tests work in Rust, we had a
    number of `#[allow(dead_code)]` annotations that were misleading because
    the functions _were_ being used, just not by all integration tests in a
    `tests/` folder, so when compiling the test that did not use the
    function, clippy would complain that it was unused.
    
    This fixes things by create a "test_support" crate under the `tests/`
    folder that is imported as a dev dependency for the respective crate.
  • Record Git metadata to rollout (#1598)
    # Summary
    
    - Writing effective evals for codex sessions requires context of the
    overall repository state at the moment the session began
    - This change adds this metadata (git repository, branch, commit hash)
    to the top of the rollout of the session (if available - if not it
    doesn't add anything)
    - Currently, this is only effective on a clean working tree, as we can't
    track uncommitted/untracked changes with the current metadata set.
    Ideally in the future we may want to track unclean changes somehow, or
    perhaps prompt the user to stash or commit them.
    
    # Testing
    - Added unit tests
    - `cargo test && cargo clippy --tests && cargo fmt -- --config
    imports_granularity=Item`
    
    ### Resulting Rollout
    <img width="1243" height="127" alt="Screenshot 2025-07-17 at 1 50 00 PM"
    src="https://github.com/user-attachments/assets/68108941-f015-45b2-985c-ea315ce05415"
    />
  • Always send entire request context (#1641)
    Always store the entire conversation history.
    Request encrypted COT when not storing Responses.
    Send entire input context instead of sending previous_response_id
  • Add support for custom base instructions (#1645)
    Allows providing custom instructions file as a config parameter and
    custom instruction text via MCP tool call.
  • [mcp-server] Add reply tool call (#1643)
    ## Summary
    Adds a new mcp tool call, `codex-reply`, so we can continue existing
    sessions. This is a first draft and does not yet support sessions from
    previous processes.
    
    ## Testing
    - [x] tested with mcp client
  • Add session loading support to Codex (#1602)
    ## Summary
    - extend rollout format to store all session data in JSON
    - add resume/write helpers for rollouts
    - track session state after each conversation
    - support `LoadSession` op to resume a previous rollout
    - allow starting Codex with an existing session via
    `experimental_resume` config variable
    
    We need a way later for exploring the available sessions in a user
    friendly way.
    
    ## Testing
    - `cargo test --no-run` *(fails: `cargo: command not found`)*
    
    ------
    https://chatgpt.com/codex/tasks/task_i_68792a29dd5c832190bf6930d3466fba
    
    This video is outdated. you should use `-c experimental_resume:<full
    path>` instead of `--resume <full path>`
    
    
    https://github.com/user-attachments/assets/7a9975c7-aa04-4f4e-899a-9e87defd947a
  • Refactor env settings into config (#1601)
    ## Summary
    - add OpenAI retry and timeout fields to Config
    - inject these settings in tests instead of mutating env vars
    - plumb Config values through client and chat completions logic
    - document new configuration options
    
    ## Testing
    - `cargo test -p codex-core --no-run`
    
    ------
    https://chatgpt.com/codex/tasks/task_i_68792c5b04cc832195c03050c8b6ea94
    
    ---------
    
    Co-authored-by: Michael Bolin <mbolin@openai.com>
  • feat: ensure session ID header is sent in Response API request (#1614)
    Include the current session id in Responses API requests.
  • Storing the sessions in a more organized way for easier look up. (#1596)
    now storing the sessions in `~/.codex/sessions/YYYY/MM/DD/<file>`
  • support deltas in core (#1587)
    - Added support for message and reasoning deltas
    - Skipped adding the support in the cli and tui for later
    - Commented a failing test (wrong merge) that needs fix in a separate
    PR.
    
    Side note: I think we need to disable merge when the CI don't pass.
  • Add CLI streaming integration tests (#1542)
    ## Summary
    - add integration test for chat mode streaming via CLI using wiremock
    - add integration test for Responses API streaming via fixture
    - call `cargo run` to invoke the CLI during tests
    
    ## Testing
    - `cargo test -p codex-core --test cli_stream -- --nocapture`
    - `cargo clippy --all-targets --all-features -- -D warnings`
    
    
    ------
    https://chatgpt.com/codex/tasks/task_i_68715980bbec8321999534fdd6a013c1
  • Allow deadcode in test_support (#1555)
    #1546 Was pushed while not passing the clippy integration tests. This is
    fixing it.
  • Improve SSE tests (#1546)
    ## Summary
    - support fixture-based SSE data in tests
    - add helpers to load SSE JSON fixtures
    - add table-driven SSE unit tests
    - let integration tests use fixture loading
    - fix clippy errors from format! calls
    
    ## Testing
    - `cargo clippy --tests`
    - `cargo test --workspace --exclude codex-linux-sandbox`
    
    
    ------
    https://chatgpt.com/codex/tasks/task_i_68717468c3e48321b51c9ecac6ba0f09
  • chore(rs): update dependencies (#1494)
    ### Chores
    - Update cargo dependencies
    - Remove unused cargo dependencies
    - Fix clippy warnings
    - Update Dockerfile (package.json requires node 22)
    - Let Dependabot update bun, cargo, devcontainers, docker,
    github-actions, npm (nix still not supported)
    
    ### TODO
    - Upgrade dependencies with breaking changes
    
    ```shell
    $ cargo update --verbose
       Unchanged crossterm v0.28.1 (available: v0.29.0)
       Unchanged schemars v0.8.22 (available: v1.0.4)
    ```
  • feat: support custom HTTP headers for model providers (#1473)
    This adds support for two new model provider config options:
    
    - `http_headers` for hardcoded (key, value) pairs
    - `env_http_headers` for headers whose values should be read from
    environment variables
    
    This also updates the built-in `openai` provider to use this feature to
    set the following headers:
    
    - `originator` => `codex_cli_rs`
    - `version` => [CLI version]
    - `OpenAI-Organization` => `OPENAI_ORGANIZATION` env var
    - `OpenAI-Project` => `OPENAI_PROJECT` env var
    
    for consistency with the TypeScript implementation:
    
    
    https://github.com/openai/codex/blob/bd5a9e8ba96c7d9c58ecaf5e61ec62d14ac6378d/codex-cli/src/utils/agent/agent-loop.ts#L321-L329
    
    While here, this also consolidates some logic that was duplicated across
    `client.rs` and `chat_completions.rs` by introducing
    `ModelProviderInfo.create_request_builder()`.
    
    Resolves https://github.com/openai/codex/discussions/1152
  • feat: add query_params option to ModelProviderInfo to support Azure (#1435)
    As discovered in https://github.com/openai/codex/issues/1365, the Azure
    provider needs to be able to specify `api-version` as a query param, so
    this PR introduces a generic `query_params` option to the
    `model_providers` config so that an Azure provider can be defined as
    follows:
    
    ```toml
    [model_providers.azure]
    name = "Azure"
    base_url = "https://YOUR_PROJECT_NAME.openai.azure.com/openai"
    env_key = "AZURE_OPENAI_API_KEY"
    query_params = { api-version = "2025-04-01-preview" }
    ```
    
    This PR also updates the docs with this example.
    
    While here, we also update `wire_api` to default to `"chat"`, as that is
    likely the common case for someone defining an external provider.
    
    Fixes https://github.com/openai/codex/issues/1365.
  • feat: experimental --output-last-message flag to exec subcommand (#1037)
    This introduces an experimental `--output-last-message` flag that can be
    used to identify a file where the final message from the agent will be
    written. Two use cases:
    
    - Ultimately, we will likely add a `--quiet` option to `exec`, but even
    if the user does not want any output written to the terminal, they
    probably want to know what the agent did. Writing the output to a file
    makes it possible to get that information in a clean way.
    - Relatedly, when using `exec` in CI, it is easier to review the
    transcript written "normally," (i.e., not as JSON or something with
    extra escapes), but getting programmatic access to the last message is
    likely helpful, so writing the last message to a file gets the best of
    both worlds.
    
    I am calling this "experimental" because it is possible that we are
    overfitting and will want a more general solution to this problem that
    would justify removing this flag.
  • chore: handle all cases for EventMsg (#936)
    For now, this removes the `#[non_exhaustive]` directive on `EventMsg` so
    that we are forced to handle all `EventMsg` by default. (We may revisit
    this if/when we publish `core/` as a `lib` crate.) For now, it is
    helpful to have this as a forcing function because we have effectively
    two UIs (`tui` and `exec`) and usually when we add a new variant to
    `EventMsg`, we want to be sure that we update both.
  • fix: change EventMsg enum so every variant takes a single struct (#925)
    https://github.com/openai/codex/pull/922 did this for the
    `SessionConfigured` enum variant, and I think it is generally helpful to
    be able to work with the values as each enum variant as their own type,
    so this converts the remaining variants and updates all of the
    callsites.
    
    Added a simple unit test to verify that the JSON-serialized version of
    `Event` does not have any unexpected nesting.
  • Disallow expect via lints (#865)
    Adds `expect()` as a denied lint. Same deal applies with `unwrap()`
    where we now need to put `#[expect(...` on ones that we legit want. Took
    care to enable `expect()` in test contexts.
    
    # Tests
    
    ```
    cargo fmt
    cargo clippy --all-features --all-targets --no-deps -- -D warnings
    cargo test
    ```
  • feat: experimental env var: CODEX_SANDBOX_NETWORK_DISABLED (#879)
    When using Codex to develop Codex itself, I noticed that sometimes it
    would try to add `#[ignore]` to the following tests:
    
    ```
    keeps_previous_response_id_between_tasks()
    retries_on_early_close()
    ```
    
    Both of these tests start a `MockServer` that launches an HTTP server on
    an ephemeral port and requires network access to hit it, which the
    Seatbelt policy associated with `--full-auto` correctly denies. If I
    wasn't paying attention to the code that Codex was generating, one of
    these `#[ignore]` annotations could have slipped into the codebase,
    effectively disabling the test for everyone.
    
    To that end, this PR enables an experimental environment variable named
    `CODEX_SANDBOX_NETWORK_DISABLED` that is set to `1` if the
    `SandboxPolicy` used to spawn the process does not have full network
    access. I say it is "experimental" because I'm not convinced this API is
    quite right, but we need to start somewhere. (It might be more
    appropriate to have an env var like `CODEX_SANDBOX=full-auto`, but the
    challenge is that our newer `SandboxPolicy` abstraction does not map to
    a simple set of enums like in the TypeScript CLI.)
    
    We leverage this new functionality by adding the following code to the
    aforementioned tests as a way to "dynamically disable" them:
    
    ```rust
    if std::env::var(CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR).is_ok() {
        println!(
            "Skipping test because it cannot execute when network is disabled in a Codex sandbox."
        );
        return;
    }
    ```
    
    We can use the `debug seatbelt --full-auto` command to verify that
    `cargo test` fails when run under Seatbelt prior to this change:
    
    ```
    $ cargo run --bin codex -- debug seatbelt --full-auto -- cargo test
    ---- keeps_previous_response_id_between_tasks stdout ----
    
    thread 'keeps_previous_response_id_between_tasks' panicked at /Users/mbolin/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/wiremock-0.6.3/src/mock_server/builder.rs:107:46:
    Failed to bind an OS port for a mock server.: Os { code: 1, kind: PermissionDenied, message: "Operation not permitted" }
    note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
    
    
    failures:
        keeps_previous_response_id_between_tasks
    
    test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
    
    error: test failed, to rerun pass `-p codex-core --test previous_response_id`
    ```
    
    Though after this change, the above command succeeds! This means that,
    going forward, when Codex operates on Codex itself, when it runs `cargo
    test`, only "real failures" should cause the command to fail.
    
    As part of this change, I decided to tighten up the codepaths for
    running `exec()` for shell tool calls. In particular, we do it in `core`
    for the main Codex business logic itself, but we also expose this logic
    via `debug` subcommands in the CLI in the `cli` crate. The logic for the
    `debug` subcommands was not quite as faithful to the true business logic
    as I liked, so I:
    
    * refactored a bit of the Linux code, splitting `linux.rs` into
    `linux_exec.rs` and `landlock.rs` in the `core` crate.
    * gating less code behind `#[cfg(target_os = "linux")]` because such
    code does not get built by default when I develop on Mac, which means I
    either have to build the code in Docker or wait for CI signal
    * introduced `macro_rules! configure_command` in `exec.rs` so we can
    have both sync and async versions of this code. The synchronous version
    seems more appropriate for straight threads or potentially fork/exec.
  • feat: support the chat completions API in the Rust CLI (#862)
    This is a substantial PR to add support for the chat completions API,
    which in turn makes it possible to use non-OpenAI model providers (just
    like in the TypeScript CLI):
    
    * It moves a number of structs from `client.rs` to `client_common.rs` so
    they can be shared.
    * It introduces support for the chat completions API in
    `chat_completions.rs`.
    * It updates `ModelProviderInfo` so that `env_key` is `Option<String>`
    instead of `String` (for e.g., ollama) and adds a `wire_api` field
    * It updates `client.rs` to choose between `stream_responses()` and
    `stream_chat_completions()` based on the `wire_api` for the
    `ModelProviderInfo`
    * It updates the `exec` and TUI CLIs to no longer fail if the
    `OPENAI_API_KEY` environment variable is not set
    * It updates the TUI so that `EventMsg::Error` is displayed more
    prominently when it occurs, particularly now that it is important to
    alert users to the `CodexErr::EnvVar` variant.
    * `CodexErr::EnvVar` was updated to include an optional `instructions`
    field so we can preserve the behavior where we direct users to
    https://platform.openai.com if `OPENAI_API_KEY` is not set.
    * Cleaned up the "welcome message" in the TUI to ensure the model
    provider is displayed.
    * Updated the docs in `codex-rs/README.md`.
    
    To exercise the chat completions API from OpenAI models, I added the
    following to my `config.toml`:
    
    ```toml
    model = "gpt-4o"
    model_provider = "openai-chat-completions"
    
    [model_providers.openai-chat-completions]
    name = "OpenAI using Chat Completions"
    base_url = "https://api.openai.com/v1"
    env_key = "OPENAI_API_KEY"
    wire_api = "chat"
    ```
    
    Though to test a non-OpenAI provider, I installed ollama with mistral
    locally on my Mac because ChatGPT said that would be a good match for my
    hardware:
    
    ```shell
    brew install ollama
    ollama serve
    ollama pull mistral
    ```
    
    Then I added the following to my `~/.codex/config.toml`:
    
    ```toml
    model = "mistral"
    model_provider = "ollama"
    ```
    
    Note this code could certainly use more test coverage, but I want to get
    this in so folks can start playing with it.
    
    For reference, I believe https://github.com/openai/codex/pull/247 was
    roughly the comparable PR on the TypeScript side.
  • fix: enable clippy on tests (#870)
    https://github.com/openai/codex/pull/855 added the clippy warning to
    disallow `unwrap()`, but apparently we were not verifying that tests
    were "clippy clean" in CI, so I ended up with a lot of local errors in
    VS Code.
    
    This turns on the check in CI and fixes the offenders.
  • feat: read model_provider and model_providers from config.toml (#853)
    This is the first step in supporting other model providers in the Rust
    CLI. Specifically, this PR adds support for the new entries in `Config`
    and `ConfigOverrides` to specify a `ModelProviderInfo`, which is the
    basic config needed for an LLM provider. This PR does not get us all the
    way there yet because `client.rs` still categorically appends
    `/responses` to the URL and expects the endpoint to support the OpenAI
    Responses API. Will fix that next!
  • fix: creating an instance of Codex requires a Config (#859)
    I discovered that I accidentally introduced a change in
    https://github.com/openai/codex/pull/829 where we load a fresh `Config`
    in the middle of `codex.rs`:
    
    
    https://github.com/openai/codex/blob/c3e10e180a341e719f61014ea508f6d9dbffe05b/codex-rs/core/src/codex.rs#L515-L522
    
    This is not good because the `Config` could differ from the one that has
    the user's overrides specified from the CLI. Also, in unit tests, it
    means the `Config` was picking up my personal settings as opposed to
    using a vanilla config, which was problematic.
    
    This PR cleans things up by moving the common case where
    `Op::ConfigureSession` is derived from `Config` (originally done in
    `codex_wrapper.rs`) and making it the standard way to initialize `Codex`
    by putting it in `Codex::spawn()`. Note this also eliminates quite a bit
    of boilerplate from the tests and relieves the caller of the
    responsibility of minting out unique IDs when invoking `submit()`.
  • Update cargo to 2024 edition (#842)
    Some effects of this change:
    - New formatting changes across many files. No functionality changes
    should occur from that.
    - Calls to `set_env` are considered unsafe, since this only happens in
    tests we wrap them in `unsafe` blocks
  • feat: make cwd a required field of Config so we stop assuming std::env::current_dir() in a session (#800)
    In order to expose Codex via an MCP server, I realized that we should be
    taking `cwd` as a parameter rather than assuming
    `std::env::current_dir()` as the `cwd`. Specifically, the user may want
    to start a session in a directory other than the one where the MCP
    server has been started.
    
    This PR makes `cwd: PathBuf` a required field of `Session` and threads
    it all the way through, though I think there is still an issue with not
    honoring `workdir` for `apply_patch`, which is something we also had to
    fix in the TypeScript version: https://github.com/openai/codex/pull/556.
    
    This also adds `-C`/`--cd` to change the cwd via the command line.
    
    To test, I ran:
    
    ```
    cargo run --bin codex -- exec -C /tmp 'show the output of ls'
    ```
    
    and verified it showed the contents of my `/tmp` folder instead of
    `$PWD`.
  • feat: configurable notifications in the Rust CLI (#793)
    With this change, you can specify a program that will be executed to get
    notified about events generated by Codex. The notification info will be
    packaged as a JSON object. The supported notification types are defined
    by the `UserNotification` enum introduced in this PR. Initially, it
    contains only one variant, `AgentTurnComplete`:
    
    ```rust
    pub(crate) enum UserNotification {
        #[serde(rename_all = "kebab-case")]
        AgentTurnComplete {
            turn_id: String,
    
            /// Messages that the user sent to the agent to initiate the turn.
            input_messages: Vec<String>,
    
            /// The last message sent by the assistant in the turn.
            last_assistant_message: Option<String>,
        },
    }
    ```
    
    This is intended to support the common case when a "turn" ends, which
    often means it is now your chance to give Codex further instructions.
    
    For example, I have the following in my `~/.codex/config.toml`:
    
    ```toml
    notify = ["python3", "/Users/mbolin/.codex/notify.py"]
    ```
    
    I created my own custom notifier script that calls out to
    [terminal-notifier](https://github.com/julienXX/terminal-notifier) to
    show a desktop push notification on macOS. Contents of `notify.py`:
    
    ```python
    #!/usr/bin/env python3
    
    import json
    import subprocess
    import sys
    
    
    def main() -> int:
        if len(sys.argv) != 2:
            print("Usage: notify.py <NOTIFICATION_JSON>")
            return 1
    
        try:
            notification = json.loads(sys.argv[1])
        except json.JSONDecodeError:
            return 1
    
        match notification_type := notification.get("type"):
            case "agent-turn-complete":
                assistant_message = notification.get("last-assistant-message")
                if assistant_message:
                    title = f"Codex: {assistant_message}"
                else:
                    title = "Codex: Turn Complete!"
                input_messages = notification.get("input_messages", [])
                message = " ".join(input_messages)
                title += message
            case _:
                print(f"not sending a push notification for: {notification_type}")
                return 0
    
        subprocess.check_output(
            [
                "terminal-notifier",
                "-title",
                title,
                "-message",
                message,
                "-group",
                "codex",
                "-ignoreDnD",
                "-activate",
                "com.googlecode.iterm2",
            ]
        )
    
        return 0
    
    
    if __name__ == "__main__":
        sys.exit(main())
    ```
    
    For reference, here are related PRs that tried to add this functionality
    to the TypeScript version of the Codex CLI:
    
    * https://github.com/openai/codex/pull/160
    * https://github.com/openai/codex/pull/498
  • fix: overhaul SandboxPolicy and config loading in Rust (#732)
    Previous to this PR, `SandboxPolicy` was a bit difficult to work with:
    
    
    https://github.com/openai/codex/blob/237f8a11e11fdcc793a09e787e48215676d9b95b/codex-rs/core/src/protocol.rs#L98-L108
    
    Specifically:
    
    * It was an `enum` and therefore options were mutually exclusive as
    opposed to additive.
    * It defined things in terms of what the agent _could not_ do as opposed
    to what they _could_ do. This made things hard to support because we
    would prefer to build up a sandbox config by starting with something
    extremely restrictive and only granting permissions for things the user
    as explicitly allowed.
    
    This PR changes things substantially by redefining the policy in terms
    of two concepts:
    
    * A `SandboxPermission` enum that defines permissions that can be
    granted to the agent/sandbox.
    * A `SandboxPolicy` that internally stores a `Vec<SandboxPermission>`,
    but externally exposes a simpler API that can be used to configure
    Seatbelt/Landlock.
    
    Previous to this PR, we supported a `--sandbox` flag that effectively
    mapped to an enum value in `SandboxPolicy`. Though now that
    `SandboxPolicy` is a wrapper around `Vec<SandboxPermission>`, the single
    `--sandbox` flag no longer makes sense. While I could have turned it
    into a flag that the user can specify multiple times, I think the
    current values to use with such a flag are long and potentially messy,
    so for the moment, I have dropped support for `--sandbox` altogether and
    we can bring it back once we have figured out the naming thing.
    
    Since `--sandbox` is gone, users now have to specify `--full-auto` to
    get a sandbox that allows writes in `cwd`. Admittedly, there is no clean
    way to specify the equivalent of `--full-auto` in your `config.toml`
    right now, so we will have to revisit that, as well.
    
    Because `Config` presents a `SandboxPolicy` field and `SandboxPolicy`
    changed considerably, I had to overhaul how config loading works, as
    well. There are now two distinct concepts, `ConfigToml` and `Config`:
    
    * `ConfigToml` is the deserialization of `~/.codex/config.toml`. As one
    might expect, every field is `Optional` and it is `#[derive(Deserialize,
    Default)]`. Consistent use of `Optional` makes it clear what the user
    has specified explicitly.
    * `Config` is the "normalized config" and is produced by merging
    `ConfigToml` with `ConfigOverrides`. Where `ConfigToml` contains a raw
    `Option<Vec<SandboxPermission>>`, `Config` presents only the final
    `SandboxPolicy`.
    
    The changes to `core/src/exec.rs` and `core/src/linux.rs` merit extra
    special attention to ensure we are faithfully mapping the
    `SandboxPolicy` to the Seatbelt and Landlock configs, respectively.
    
    Also, take note that `core/src/seatbelt_readonly_policy.sbpl` has been
    renamed to `codex-rs/core/src/seatbelt_base_policy.sbpl` and that
    `(allow file-read*)` has been removed from the `.sbpl` file as now this
    is added to the policy in `core/src/exec.rs` when
    `sandbox_policy.has_full_disk_read_access()` is `true`.
  • feat: load defaults into Config and introduce ConfigOverrides (#677)
    This changes how instantiating `Config` works and also adds
    `approval_policy` and `sandbox_policy` as fields. The idea is:
    
    * All fields of `Config` have appropriate default values.
    * `Config` is initially loaded from `~/.codex/config.toml`, so values in
    `config.toml` will override those defaults.
    * Clients must instantiate `Config` via
    `Config::load_with_overrides(ConfigOverrides)` where `ConfigOverrides`
    has optional overrides that are expected to be settable based on CLI
    flags.
    
    The `Config` should be defined early in the program and then passed
    down. Now functions like `init_codex()` take fewer individual parameters
    because they can just take a `Config`.
    
    Also, `Config::load()` used to fail silently if `~/.codex/config.toml`
    had a parse error and fell back to the default config. This seemed
    really bad because it wasn't clear why the values in my `config.toml`
    weren't getting picked up. I changed things so that
    `load_with_overrides()` returns `Result<Config>` and verified that the
    various CLIs print a reasonable error if `config.toml` is malformed.
    
    Finally, I also updated the TUI to show which **sandbox** value is being
    used, as we do for other key values like **model** and **approval**.
    This was also a reminder that the various values of `--sandbox` are
    honored on Linux but not macOS today, so I added some TODOs about fixing
    that.
  • feat: add ZDR support to Rust implementation (#642)
    This adds support for the `--disable-response-storage` flag across our
    multiple Rust CLIs to support customers who have opted into Zero-Data
    Retention (ZDR). The analogous changes to the TypeScript CLI were:
    
    * https://github.com/openai/codex/pull/481
    * https://github.com/openai/codex/pull/543
    
    For a client using ZDR, `previous_response_id` will never be available,
    so the `input` field of an API request must include the full transcript
    of the conversation thus far. As such, this PR changes the type of
    `Prompt.input` from `Vec<ResponseInputItem>` to `Vec<ResponseItem>`.
    
    Practically speaking, `ResponseItem` was effectively a "superset" of
    `ResponseInputItem` already. The main difference for us is that
    `ResponseItem` includes the `FunctionCall` variant that we have to
    include as part of the conversation history in the ZDR case.
    
    Another key change in this PR is modifying `try_run_turn()` so that it
    returns the `Vec<ResponseItem>` for the turn in addition to the
    `Vec<ResponseInputItem>` produced by `try_run_turn()`. This is because
    the caller of `run_turn()` needs to record the `Vec<ResponseItem>` when
    ZDR is enabled.
    
    To that end, this PR introduces `ZdrTranscript` (and adds
    `zdr_transcript: Option<ZdrTranscript>` to `struct State` in `codex.rs`)
    to take responsibility for maintaining the conversation transcript in
    the ZDR case.
  • feat: initial import of Rust implementation of Codex CLI in codex-rs/ (#629)
    As stated in `codex-rs/README.md`:
    
    Today, Codex CLI is written in TypeScript and requires Node.js 22+ to
    run it. For a number of users, this runtime requirement inhibits
    adoption: they would be better served by a standalone executable. As
    maintainers, we want Codex to run efficiently in a wide range of
    environments with minimal overhead. We also want to take advantage of
    operating system-specific APIs to provide better sandboxing, where
    possible.
    
    To that end, we are moving forward with a Rust implementation of Codex
    CLI contained in this folder, which has the following benefits:
    
    - The CLI compiles to small, standalone, platform-specific binaries.
    - Can make direct, native calls to
    [seccomp](https://man7.org/linux/man-pages/man2/seccomp.2.html) and
    [landlock](https://man7.org/linux/man-pages/man7/landlock.7.html) in
    order to support sandboxing on Linux.
    - No runtime garbage collection, resulting in lower memory consumption
    and better, more predictable performance.
    
    Currently, the Rust implementation is materially behind the TypeScript
    implementation in functionality, so continue to use the TypeScript
    implmentation for the time being. We will publish native executables via
    GitHub Releases as soon as we feel the Rust version is usable.