followup to https://github.com/openai/codex/pull/13212 to expose fast
tier controls to app server
(majority of this PR is generated schema jsons - actual code is +69 /
-35 and +24 tests )
- add service tier fields to the app-server protocol surfaces used by
thread lifecycle, turn start, config, and session configured events
- thread service tier through the app-server message processor and core
thread config snapshots
- allow runtime config overrides to carry service tier for app-server
callers
cleanup:
- Removing useless "legacy" code supporting "standard" - we moved to
None | "fast", so "standard" is not needed.
### Overview
This PR adds the first piece of tracing for app-server JSON-RPC
requests.
There are two main changes:
- JSON-RPC requests can now take an optional W3C trace context at the
top level via a `trace` field (`traceparent` / `tracestate`).
- app-server now creates a dedicated request span for every inbound
JSON-RPC request in `MessageProcessor`, and uses the request-level trace
context as the parent when present.
For compatibility with existing flows, app-server still falls back to
the TRACEPARENT env var when there is no request-level traceparent.
This PR is intentionally scoped to the app-server boundary. In a
followup, we'll actually propagate trace context through the async
handoff into core execution spans like run_turn, which will make
app-server traces much more useful.
### Spans
A few details on the app-server span shape:
- each inbound request gets its own server span
- span/resource names are based on the JSON-RPC method (`initialize`,
`thread/start`, `turn/start`, etc.)
- spans record transport (stdio vs websocket), request id, connection
id, and client name/version when available
- `initialize` stores client metadata in session state so later requests
on the same connection can reuse it
#### what
adds a `codex debug clear-memories` command to help with clearing all
memories state from disk, sqlite db, and marking threads as
`memory_mode=disabled` so they don't get resummarized when the
`memories` feature is re-enabled.
#### tests
add tests
## Why
`execpolicy` currently keys `prefix_rule()` matching off the literal
first token. That works for rules like `["/usr/bin/git"]`, but it means
shared basename rules such as `["git"]` do not help when a caller passes
an absolute executable path like `/usr/bin/git`.
This PR lays the groundwork for basename-aware matching without changing
existing callers yet. It adds typed host-executable metadata and an
opt-in resolution path in `codex-execpolicy`, so a follow-up PR can
adopt the new behavior in `unix_escalation.rs` and other call sites
without having to redesign the policy layer first.
## What Changed
- added `host_executable(name = ..., paths = [...])` to the execpolicy
parser and validated it with `AbsolutePathBuf`
- stored host executable mappings separately from prefix rules inside
`Policy`
- added `MatchOptions` and opt-in `*_with_options()` APIs that preserve
existing behavior by default
- implemented exact-first matching with optional basename fallback,
gated by `host_executable()` allowlists when present
- normalized executable names for cross-platform matching so Windows
paths like `git.exe` can satisfy `host_executable(name = "git", ...)`
- updated `match` / `not_match` example validation to exercise the
host-executable resolution path instead of only raw prefix-rule matching
- preserved source locations for deferred example-validation errors so
policy load failures still point at the right file and line
- surfaced `resolvedProgram` on `RuleMatch` so callers can tell when a
basename rule matched an absolute executable path
- preserved host executable metadata when requirements policies overlay
file-based policies in `core/src/exec_policy.rs`
- documented the new rule shape and CLI behavior in
`execpolicy/README.md`
## Verification
- `cargo test -p codex-execpolicy`
- added coverage in `execpolicy/tests/basic.rs` for parsing, precedence,
empty allowlists, basename fallback, exact-match precedence, and
host-executable-backed `match` / `not_match` examples
- added a regression test in `core/src/exec_policy.rs` to verify
requirements overlays preserve `host_executable()` metadata
- verified `cargo test -p codex-core --lib`, including source-rendering
coverage for deferred validation errors
## Summary
This PR includes the session's local date and timezone in the
model-visible environment context and persists that data in
`TurnContextItem`.
## What changed
- captures the current local date and IANA timezone when building a turn
context, with a UTC fallback if the timezone lookup fails
- includes current_date and timezone in the serialized
<environment_context> payload
- stores those fields on TurnContextItem so they survive rollout/history
handling, subagent review threads, and resume flows
- treats date/timezone changes as environment updates, so prompt caching
and context refresh logic do not silently reuse stale time context
- updates tests to validate the new environment fields without depending
on a single hardcoded environment-context string
## test
built a local build and saw it in the rollout file:
```
{"timestamp":"2026-02-26T21:39:50.737Z","type":"response_item","payload":{"type":"message","role":"user","content":[{"type":"input_text","text":"<environment_context>\n <shell>zsh</shell>\n <current_date>2026-02-26</current_date>\n <timezone>America/Los_Angeles</timezone>\n</environment_context>"}]}}
```
## Why
Before this change, an escalation approval could say that a command
should be rerun, but it could not carry the sandbox configuration that
should still apply when the escalated command is actually spawned.
That left an unsafe gap in the `zsh-fork` skill path: skill scripts
under `scripts/` that did not declare permissions could be escalated
without a sandbox, and scripts that did declare permissions could lose
their bounded sandbox on rerun or cached session approval.
This PR extends the escalation protocol so approvals can optionally
carry sandbox configuration all the way through execution. That lets the
shell runtime preserve the intended sandbox instead of silently widening
access.
We likely want a single permissions type for this codepath eventually,
probably centered on `Permissions`. For now, the protocol needs to
represent both the existing `PermissionProfile` form and the fuller
`Permissions` form, so this introduces a temporary disjoint union,
`EscalationPermissions`, to carry either one.
Further, this means that today, a skill either:
- does not declare any permissions, in which case it is run using the
default sandbox for the turn
- specifies permissions, in which case the skill is run using that exact
sandbox, which might be more restrictive than the default sandbox for
the turn
We will likely change the skill's permissions to be additive to the
existing permissions for the turn.
## What Changed
- Added `EscalationPermissions` to `codex-protocol` so escalation
requests can carry either a `PermissionProfile` or a full `Permissions`
payload.
- Added an explicit `EscalationExecution` mode to the shell escalation
protocol so reruns distinguish between `Unsandboxed`, `TurnDefault`, and
`Permissions(...)` instead of overloading `None`.
- Updated `zsh-fork` shell reruns to resolve `TurnDefault` at execution
time, which keeps ordinary `UseDefault` commands on the turn sandbox and
preserves turn-level macOS seatbelt profile extensions.
- Updated the `zsh-fork` skill path so a skill with no declared
permissions inherits the conversation's effective sandbox instead of
escalating unsandboxed.
- Updated the `zsh-fork` skill path so a skill with declared permissions
reruns with exactly those permissions, including when a cached session
approval is reused.
## Testing
- Added unit coverage in
`core/src/tools/runtimes/shell/unix_escalation.rs` for the explicit
`UseDefault` / `RequireEscalated` / `WithAdditionalPermissions`
execution mapping.
- Added unit coverage in
`core/src/tools/runtimes/shell/unix_escalation.rs` for macOS seatbelt
extension preservation in both the `TurnDefault` and
explicit-permissions rerun paths.
- Added integration coverage in `core/tests/suite/skill_approval.rs` for
permissionless skills inheriting the turn sandbox and explicit skill
permissions remaining bounded across cached approval reuse.
we recently changed file linking so the model uses markdown links when
it wants something to be clickable.
This works well across the GUI surfaces because they can render markdown
cleanly and use the full absolute path in the anchor target.
A previous pass hid the absolute path in the TUI (and only showed the
label), but that also meant we could lose useful location info when the
model put the line number or range in the anchor target instead of the
label.
This follow-up keeps the TUI behavior simple while making local file
links feel closer to the old TUI file reference style.
key changes:
- Local markdown file links in the TUI keep the old file-ref feel: code
styling, no underline, no visible absolute path.
- If the hidden local anchor target includes a location suffix and the
label does not already include one, we append that suffix to the visible
label.
- This works for single lines, line/column references, and ranges.
- If the label already includes the location, we leave it alone.
- normal web links keep the old TUI markdown-link behavior
some examples:
- `[foo.rs](/abs/path/foo.rs)` renders as `foo.rs`
- `[foo.rs](/abs/path/foo.rs:45)` renders as `foo.rs:45`
- `[foo.rs](/abs/path/foo.rs:45:3-48:9)` renders as `foo.rs:45:3-48:9`
- `[foo.rs:45](/abs/path/foo.rs:45)` stays `foo.rs:45`
- `[docs](https://example.com/docs)` still renders like a normal web
link
how it looks:
<img width="732" height="813" alt="Screenshot 2026-02-26 at 9 27 55 AM"
src="https://github.com/user-attachments/assets/d51bf236-653a-4e83-96e4-9427f0804471"
/>
**PR Summary**
This PR adds embedded-only OTEL policy audit logging for
`codex-network-proxy` and threads audit metadata from `codex-core` into
managed proxy startup.
### What changed
- Added structured audit event emission in `network_policy.rs` with
target `codex_otel.network_proxy`.
- Emitted:
- `codex.network_proxy.domain_policy_decision` once per domain-policy
evaluation.
- `codex.network_proxy.block_decision` for non-domain denies.
- Added required policy/network fields, RFC3339 UTC millisecond
`event.timestamp`, and fallback defaults (`http.request.method="none"`,
`client.address="unknown"`).
- Added non-domain deny audit emission in HTTP/SOCKS handlers for
mode-guard and proxy-state denies, including unix-socket deny paths.
- Added `REASON_UNIX_SOCKET_UNSUPPORTED` and used it for unsupported
unix-socket auditing.
- Added `NetworkProxyAuditMetadata` to runtime/state, re-exported from
`lib.rs` and `state.rs`.
- Added `start_proxy_with_audit_metadata(...)` in core config, with
`start_proxy()` delegating to default metadata.
- Wired metadata construction in `codex.rs` from session/auth context,
including originator sanitization for OTEL-safe tagging.
- Updated `network-proxy/README.md` with embedded-mode audit schema and
behavior notes.
- Refactored HTTP block-audit emission to a small local helper to reduce
duplication.
- Preserved existing unix-socket proxy-disabled host/path behavior for
responses and blocked history while using an audit-only endpoint
override (`server.address="unix-socket"`, `server.port=0`).
### Explicit exclusions
- No standalone proxy OTEL startup work.
- No `main.rs` binary wiring.
- No `standalone_otel.rs`.
- No standalone docs/tests.
### Tests
- Extended `network_policy.rs` tests for event mapping, metadata
propagation, fallbacks, timestamp format, and target prefix.
- Extended HTTP tests to assert unix-socket deny block audit events.
- Extended SOCKS tests to cover deny emission from handler deny
branches.
- Added/updated core tests to verify audit metadata threading into
managed proxy state.
### Validation run
- `just fmt`
- `cargo test -p codex-network-proxy` ✅
- `cargo test -p codex-core` ran with one unrelated flaky timeout
(`shell_snapshot::tests::snapshot_shell_does_not_inherit_stdin`), and
the test passed when rerun directly ✅
---------
Co-authored-by: viyatb-oai <viyatb@openai.com>
**PR Summary**
This PR adds the OpenTelemetry `host.name` resource attribute to Codex
OTEL exports so every OTEL log (and trace, via the shared resource)
carries the machine hostname.
**What changed**
- Added `host.name` to the shared OTEL `Resource` in
`/Users/michael.mcgrew/code/codex/codex-rs/otel/src/otel_provider.rs`
- This applies to both:
- OTEL logs (`SdkLoggerProvider`)
- OTEL traces (`SdkTracerProvider`)
- Hostname is now resolved via `gethostname::gethostname()`
(best-effort)
- Value is trimmed
- Empty values are omitted (non-fatal)
- Added focused unit tests for:
- including `host.name` when present
- omitting `host.name` when missing/empty
**Why**
- `host.name` is host/process metadata and belongs on the OTEL
`resource`, not per-event attributes.
- Attaching it in the shared resource is the smallest change that
guarantees coverage across all exported OTEL logs/traces.
**Scope / Non-goals**
- No public API changes
- No changes to metrics behavior (this PR only updates log/trace
resource metadata)
**Dependency updates**
- Added `gethostname` as a workspace dependency and `codex-otel`
dependency
- `Cargo.lock` updated accordingly
- `MODULE.bazel.lock` unchanged after refresh/check
**Validation**
- `just fmt`
- `cargo test -p codex-otel`
- `just bazel-lock-update`
- `just bazel-lock-check`
Add a stream parser to extract citations (and others) from a stream.
This support cases where markers are split in differen tokens.
Codex never manage to make this code work so everything was done
manually. Please review correctly and do not touch this part of the code
without a very clear understanding of it
This PR adds the macro `#[large_stack_test]`
This spawns the tests in a dedicated tokio runtime with a larger stack.
It is useful for tests that needs the full recursion on the harness
(which is now too deep for windows for example)
## Why
In the `shell_zsh_fork` flow, `codex-shell-escalation` receives the
executable path exactly as the shell passed it to `execve()`. That path
is not guaranteed to be absolute.
For commands such as `./scripts/hello-mbolin.sh`, if the shell was
launched with a different `workdir`, resolving the intercepted `file`
against the server process working directory makes policy checks and
skill matching inspect the wrong executable. This change pushes that fix
a step further by keeping the normalized path typed as `AbsolutePathBuf`
throughout the rest of the escalation pipeline.
That makes the absolute-path invariant explicit, so later code cannot
accidentally treat the resolved executable path as an arbitrary
`PathBuf`.
## What Changed
- record the wrapper process working directory as an `AbsolutePathBuf`
- update the escalation protocol so `workdir` is explicitly absolute
while `file` remains the raw intercepted exec path
- resolve a relative intercepted `file` against the request `workdir` as
soon as the server receives the request
- thread `AbsolutePathBuf` through `EscalationPolicy`,
`CoreShellActionProvider`, and command normalization helpers so the
resolved executable path stays type-checked as absolute
- replace the `path-absolutize` dependency in `codex-shell-escalation`
with `codex-utils-absolute-path`
- add a regression test that covers a relative `file` with a distinct
`workdir`
## Verification
- `cargo test -p codex-shell-escalation`
## Why
`codex-shell-escalation` exposed a `codex-core`-specific adapter layer
(`ShellActionProvider`, `ShellPolicyFactory`, and `run_escalate_server`)
that existed only to bridge `codex-core` to `EscalateServer`. That
indirection increased API surface and obscured crate ownership without
adding behavior.
This change moves orchestration into `codex-core` so boundaries are
clearer: `codex-shell-escalation` provides reusable escalation
primitives, and `codex-core` provides shell-tool policy decisions.
Admittedly, @pakrym rightfully requested this sort of cleanup as part of
https://github.com/openai/codex/pull/12649, though this avoids moving
all of `codex-shell-escalation` into `codex-core`.
## What changed
- Made `EscalateServer` public and exported it from `shell-escalation`.
- Removed the adapter layer from `shell-escalation`:
- deleted `shell-escalation/src/unix/core_shell_escalation.rs`
- removed exports for `ShellActionProvider`, `ShellPolicyFactory`,
`EscalationPolicyFactory`, and `run_escalate_server`
- Updated `core/src/tools/runtimes/shell/unix_escalation.rs` to:
- create `Stopwatch`/cancellation in `codex-core`
- instantiate `EscalateServer` directly
- implement `EscalationPolicy` directly on `CoreShellActionProvider`
Net effect: same escalation flow with fewer wrappers and a smaller
public API.
## Verification
- Manually reviewed the old vs. new escalation call flow to confirm
timeout/cancellation behavior and approval policy decisions are
preserved while removing wrapper types.
## Why
This PR switches the `shell_command` zsh-fork path over to
`codex-shell-escalation` so the new shell tool can use the shared
exec-wrapper/escalation protocol instead of the `zsh_exec_bridge`
implementation that was introduced in
https://github.com/openai/codex/pull/12052. `zsh_exec_bridge` relied on
UNIX domain sockets, which is not as tamper-proof as the FD-based
approach in `codex-shell-escalation`.
## What Changed
- Added a Unix zsh-fork runtime adapter in `core`
(`core/src/tools/runtimes/shell/unix_escalation.rs`) that:
- runs zsh-fork commands through
`codex_shell_escalation::run_escalate_server`
- bridges exec-policy / approval decisions into `ShellActionProvider`
- executes escalated commands via a `ShellCommandExecutor` that calls
`process_exec_tool_call`
- Updated `ShellRuntime` / `ShellCommandHandler` / tool spec wiring to
select a `shell_command` backend (`classic` vs `zsh-fork`) while leaving
the generic `shell` tool path unchanged.
- Removed the `zsh_exec_bridge`-based session service and deleted
`core/src/zsh_exec_bridge/mod.rs`.
- Moved exec-wrapper entrypoint dispatch to `arg0` by handling the
`codex-execve-wrapper` arg0 alias there, and removed the old
`codex_core::maybe_run_zsh_exec_wrapper_mode()` hooks from `cli` and
`app-server` mains.
- Added the needed `codex-shell-escalation` dependencies for `core` and
`arg0`.
## Tests
- `cargo test -p codex-core
shell_zsh_fork_prefers_shell_command_over_unified_exec`
- `cargo test -p codex-app-server turn_start_shell_zsh_fork --
--nocapture`
- verifies zsh-fork command execution and approval flows through the new
backend
- includes subcommand approve/decline coverage using the shared zsh
DotSlash fixture in `app-server/tests/suite/zsh`
- To test manually, I added the following to `~/.codex/config.toml`:
```toml
zsh_path = "/Users/mbolin/code/codex3/codex-rs/app-server/tests/suite/zsh"
[features]
shell_zsh_fork = true
```
Then I ran `just c` to run the dev build of Codex with these changes and
sent it the message:
```
run `echo $0`
```
And it replied with:
```
echo $0 printed:
/Users/mbolin/code/codex3/codex-rs/app-server/tests/suite/zsh
In this tool context, $0 reflects the script path used to invoke the shell, not just zsh.
```
so the tool appears to be wired up correctly.
## Notes
- The zsh subcommand-decline integration test now uses `rm` under a
`WorkspaceWrite` sandbox. The previous `/usr/bin/true` scenario is
auto-allowed by the new `shell-escalation` policy path, which no longer
produces subcommand approval prompts.
rm `PRESETS` list harcoded in `model_presets` as we now have bundled
`models.json` with equivalent info.
update logic to rely on bundled models instead, update tests.
## Why
After removing `exec-server`, the next step is to wire a new shell tool
to `codex-rs/shell-escalation` directly.
That is blocked while `codex-shell-escalation` depends on `codex-core`,
because the new integration would require `codex-core` to depend on
`codex-shell-escalation` and create a dependency cycle.
This change ports the reusable pieces from the earlier prep work, but
drops the old compatibility shim because `exec-server`/MCP support is
already gone.
## What Changed
### Decouple `shell-escalation` from `codex-core`
- Introduce a crate-local `SandboxState` in `shell-escalation`
- Introduce a `ShellCommandExecutor` trait so callers provide process
execution/sandbox integration
- Update `EscalateServer::exec(...)` and `run_escalate_server(...)` to
use the injected executor
- Remove the direct `codex_core::exec::process_exec_tool_call(...)` call
from `shell-escalation`
- Remove the `codex-core` dependency from `codex-shell-escalation`
### Restore reusable policy adapter exports
- Re-enable `unix::core_shell_escalation`
- Export `ShellActionProvider` and `ShellPolicyFactory` from
`shell-escalation`
- Keep the crate root API simple (no `legacy_api` compatibility layer)
### Port socket fixes from the earlier prep commit
- Use `socket2::Socket::pair_raw(...)` for AF_UNIX socketpairs and
restore `CLOEXEC` explicitly on both endpoints
- Keep `CLOEXEC` cleared only on the single datagram client FD that is
intentionally passed across `exec`
- Clean up `tokio::AsyncFd::try_io(...)` error handling in the socket
helpers
## Verification
- `cargo shear`
- `cargo clippy -p codex-shell-escalation --tests`
- `cargo test -p codex-shell-escalation`
## Why
We already plan to remove the shell-tool MCP path, and doing that
cleanup first makes the follow-on `shell-escalation` work much simpler.
This change removes the last remaining reason to keep
`codex-rs/exec-server` around by moving the `codex-execve-wrapper`
binary and shared shell test fixtures to the crates/tests that now own
that functionality.
## What Changed
### Delete `codex-rs/exec-server`
- Remove the `exec-server` crate, including the MCP server binary,
MCP-specific modules, and its test support/test suite
- Remove `exec-server` from the `codex-rs` workspace and update
`Cargo.lock`
### Move `codex-execve-wrapper` into `codex-rs/shell-escalation`
- Move the wrapper implementation into `shell-escalation`
(`src/unix/execve_wrapper.rs`)
- Add the `codex-execve-wrapper` binary entrypoint under
`shell-escalation/src/bin/`
- Update `shell-escalation` exports/module layout so the wrapper
entrypoint is hosted there
- Move the wrapper README content from `exec-server` to
`shell-escalation/README.md`
### Move shared shell test fixtures to `app-server`
- Move the DotSlash `bash`/`zsh` test fixtures from
`exec-server/tests/suite/` to `app-server/tests/suite/`
- Update `app-server` zsh-fork tests to reference the new fixture paths
### Keep `shell-tool-mcp` as a shell-assets package
- Update `.github/workflows/shell-tool-mcp.yml` packaging so the npm
artifact contains only patched Bash/Zsh payloads (no Rust binaries)
- Update `shell-tool-mcp/package.json`, `shell-tool-mcp/src/index.ts`,
and docs to reflect the shell-assets-only package shape
- `shell-tool-mcp-ci.yml` does not need changes because it is already
JS-only
## Verification
- `cargo shear`
- `cargo clippy -p codex-shell-escalation --tests`
- `just clippy`
Bumps [owo-colors](https://github.com/owo-colors/owo-colors) from 4.2.3
to 4.3.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/owo-colors/owo-colors/releases">owo-colors's
releases</a>.</em></p>
<blockquote>
<h2>owo-colors 4.3.0</h2>
<h3>Fixed</h3>
<ul>
<li>Scripts in the <code>scripts/</code> directory are no longer
published in the crate package. Thanks <a
href="https://redirect.github.com/owo-colors/owo-colors/pull/152">weiznich</a>
for your first contribution!</li>
</ul>
<h3>Changed</h3>
<ul>
<li>
<p>Mark methods with
<code>#[rust_analyzer::completions(ignore_flyimport)]</code> and the
<code>OwoColorize</code> trait with
<code>#[rust_analyzer::completions(ignore_flyimport_methods)]</code>.
This prevents owo-colors methods from being completed with rust-analyzer
unless the <code>OwoColorize</code> trait is included.</p>
<p>Unfortunately, this also breaks explicit autocomplete commands such
as Ctrl-Space in many editors. (The language server protocol doesn't
appear to have a way to differentiate between implicit and explicit
autocomplete commands.) On balance we believe this is the right
approach, but please do provide feedback on [PR <a
href="https://redirect.github.com/owo-colors/owo-colors/issues/141">#141</a>](<a
href="https://redirect.github.com/owo-colors/owo-colors/pull/141">owo-colors/owo-colors#141</a>)
if it negatively affects you.</p>
</li>
<li>
<p>Updated MSRV to Rust 1.81.</p>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/owo-colors/owo-colors/blob/main/CHANGELOG.md">owo-colors's
changelog</a>.</em></p>
<blockquote>
<h2>[4.3.0] - 2026-02-22</h2>
<h3>Fixed</h3>
<ul>
<li>Scripts in the <code>scripts/</code> directory are no longer
published in the crate package. Thanks <a
href="https://redirect.github.com/owo-colors/owo-colors/pull/152">weiznich</a>
for your first contribution!</li>
</ul>
<h3>Changed</h3>
<ul>
<li>
<p>Mark methods with
<code>#[rust_analyzer::completions(ignore_flyimport)]</code> and the
<code>OwoColorize</code> trait with
<code>#[rust_analyzer::completions(ignore_flyimport_methods)]</code>.
This prevents owo-colors methods from being completed with rust-analyzer
unless the <code>OwoColorize</code> trait is included.</p>
<p>Unfortunately, this also breaks explicit autocomplete commands such
as Ctrl-Space in many editors. (The language server protocol doesn't
appear to have a way to differentiate between implicit and explicit
autocomplete commands.) On balance we believe this is the right
approach, but please do provide feedback on [PR <a
href="https://redirect.github.com/owo-colors/owo-colors/issues/141">#141</a>](<a
href="https://redirect.github.com/owo-colors/owo-colors/pull/141">owo-colors/owo-colors#141</a>)
if it negatively affects you.</p>
</li>
<li>
<p>Updated MSRV to Rust 1.81.</p>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="baf10f9a74"><code>baf10f9</code></a>
[owo-colors] version 4.3.0</li>
<li><a
href="6abe2026c5"><code>6abe202</code></a>
[meta] prepare changelog</li>
<li><a
href="ca81447041"><code>ca81447</code></a>
[RFC] add ignore_flyimport and ignore_flyimport_methods (<a
href="https://redirect.github.com/owo-colors/owo-colors/issues/141">#141</a>)</li>
<li><a
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Bumps [syn](https://github.com/dtolnay/syn) from 2.0.114 to 2.0.117.
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## Why
Shell execution refactoring in `exec-server` had become split between
duplicated code paths, which blocked a clean introduction of the new
reusable shell escalation flow. This commit creates a dedicated
foundation crate so later shell tooling changes can share one
implementation.
## What changed
- Added the `codex-shell-escalation` crate and moved the core escalation
pieces (`mcp` protocol/socket/session flow, policy glue) that were
previously in `exec-server` into it.
- Normalized `exec-server` Unix structure under a dedicated `unix`
module layout and kept non-Unix builds narrow.
- Wired crate/build metadata so `shell-escalation` is a first-class
workspace dependency for follow-on integration work.
## Verification
- Built and linted the stack at this commit point with `just clippy`.
[//]: # (BEGIN SAPLING FOOTER)
Stack created with [Sapling](https://sapling-scm.com). Best reviewed
with [ReviewStack](https://reviewstack.dev/openai/codex/pull/12556).
* #12584
* #12583
* __->__ #12556
## Why
The zsh integration tests were still brittle in two ways:
- they relied on `CODEX_TEST_ZSH_PATH` / environment-specific setup, so
they often did not exercise the patched zsh fork that `shell-tool-mcp`
ships
- once the tests consistently used the vendored zsh fork, they exposed
real Linux-specific zsh-fork issues in CI
In particular, the Linux failures were not just test noise:
- the zsh-fork launch path was dropping `ExecRequest.arg0`, so Linux
`codex-linux-sandbox` arg0 dispatch did not run and zsh wrapper-mode
could receive malformed arguments
- the
`turn_start_shell_zsh_fork_subcommand_decline_marks_parent_declined_v2`
test uses the zsh exec bridge (which talks to the parent over a Unix
socket), but Linux restricted sandbox seccomp denies `connect(2)`,
causing timeouts on `ubuntu-24.04` x86/arm
This PR makes the zsh tests consistently run against the intended
vendored zsh fork and fixes/hardens the zsh-fork path so the Linux CI
signal is meaningful.
## What Changed
- Added a single shared test-only DotSlash file for the patched zsh fork
at `codex-rs/exec-server/tests/suite/zsh` (analogous to the existing
`bash` test resource).
- Updated both app-server and exec-server zsh tests to use that shared
DotSlash zsh (no duplicate zsh DotSlash file, no `CODEX_TEST_ZSH_PATH`
dependency).
- Updated the app-server zsh-fork test helper to resolve the shared
DotSlash zsh and avoid silently falling back to host zsh.
- Kept the app-server zsh-fork tests configured via `config.toml`, using
a test wrapper path where needed to force `zsh -df` (and rewrite `-lc`
to `-c`) for the subcommand-decline test.
- Hardened the app-server subcommand-decline zsh-fork test for CI
variability:
- tolerate an extra `/responses` POST with a no-op mock response
- tolerate non-target approval ordering while remaining strict on the
two `/usr/bin/true` approvals and decline behavior
- use `DangerFullAccess` on Linux for this one test because it validates
zsh approval flow, not Linux sandbox socket restrictions
- Fixed zsh-fork process launching on Linux by preserving `req.arg0` in
`ZshExecBridge::execute_shell_request(...)` so `codex-linux-sandbox`
arg0 dispatch continues to work.
- Moved `maybe_run_zsh_exec_wrapper_mode()` under
`arg0_dispatch_or_else(...)` in `app-server` and `cli` so wrapper-mode
handling coexists correctly with arg0-dispatched helper modes.
- Consolidated duplicated `dotslash -- fetch` resolution logic into
shared test support (`core/tests/common/lib.rs`).
- Updated `codex-rs/exec-server/tests/suite/accept_elicitation.rs` to
use DotSlash zsh and hardened the zsh elicitation test for Bazel/zsh
differences by:
- resolving an absolute `git` path
- running `git init --quiet .`
- asserting success / `.git` creation instead of relying on banner text
## Verification
- `cargo test -p codex-app-server turn_start_zsh_fork -- --nocapture`
- `cargo test -p codex-exec-server accept_elicitation -- --nocapture`
- `bazel test //codex-rs/exec-server:exec-server-all-test
--test_output=streamed --test_arg=--nocapture
--test_arg=accept_elicitation_for_prompt_rule_with_zsh`
- CI (`rust-ci`) on the final cleaned commit: `Tests — ubuntu-24.04 -
x86_64-unknown-linux-gnu` and `Tests — ubuntu-24.04-arm -
aarch64-unknown-linux-gnu` passed in [run
22291424358](https://github.com/openai/codex/actions/runs/22291424358)
## Summary
Adds syntax highlighting to the TUI for fenced code blocks in markdown
responses and file diffs, plus a `/theme` command with live preview and
persistent theme selection. Uses syntect (~250 grammars, 32 bundled
themes, ~1 MB binary cost) — the same engine behind `bat`, `delta`, and
`xi-editor`. Includes guardrails for large inputs, graceful fallback to
plain text, and SSH-aware clipboard integration for the `/copy` command.
<img width="1554" height="1014" alt="image"
src="https://github.com/user-attachments/assets/38737a79-8717-4715-b857-94cf1ba59b85"
/>
<img width="2354" height="1374" alt="image"
src="https://github.com/user-attachments/assets/25d30a00-c487-4af8-9cb6-63b0695a4be7"
/>
## Problem
Code blocks in the TUI (markdown responses and file diffs) render
without syntax highlighting, making it hard to scan code at a glance.
Users also have no way to pick a color theme that matches their terminal
aesthetic.
## Mental model
The highlighting system has three layers:
1. **Syntax engine** (`render::highlight`) -- a thin wrapper around
syntect + two-face. It owns a process-global `SyntaxSet` (~250 grammars)
and a `RwLock<Theme>` that can be swapped at runtime. All public entry
points accept `(code, lang)` and return ratatui `Span`/`Line` vectors or
`None` when the language is unrecognized or the input exceeds safety
guardrails.
2. **Rendering consumers** -- `markdown_render` feeds fenced code blocks
through the engine; `diff_render` highlights Add/Delete content as a
whole file and Update hunks per-hunk (preserving parser state across
hunk lines). Both callers fall back to plain unstyled text when the
engine returns `None`.
3. **Theme lifecycle** -- at startup the config's `tui.theme` is
resolved to a syntect `Theme` via `set_theme_override`. At runtime the
`/theme` picker calls `set_syntax_theme` to swap themes live; on cancel
it restores the snapshot taken at open. On confirm it persists `[tui]
theme = "..."` to config.toml.
## Non-goals
- Inline diff highlighting (word-level change detection within a line).
- Semantic / LSP-backed highlighting.
- Theme authoring tooling; users supply standard `.tmTheme` files.
## Tradeoffs
| Decision | Upside | Downside |
| ------------------------------------------------ |
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
-----------------------------------------------------------------------------------------------------------------------
|
| syntect over tree-sitter / arborium | ~1 MB binary increase for ~250
grammars + 32 themes; battle-tested crate powering widely-used tools
(`bat`, `delta`, `xi-editor`). tree-sitter would add ~12 MB for 20-30
languages or ~35 MB for full coverage. | Regex-based; less structurally
accurate than tree-sitter for some languages (e.g. language injections
like JS-in-HTML). |
| Global `RwLock<Theme>` | Enables live `/theme` preview without
threading Theme through every call site | Lock contention risk
(mitigated: reads vastly outnumber writes, single UI thread) |
| Skip background / italic / underline from themes | Terminal BG
preserved, avoids ugly rendering on some themes | Themes that rely on
these properties lose fidelity |
| Guardrails: 512 KB / 10k lines | Prevents pathological stalls on huge
diffs or pastes | Very large files render without color |
## Architecture
```
config.toml ─[tui.theme]─> set_theme_override() ─> THEME (RwLock)
│
┌───────────────────────────────────────────┘
│
markdown_render ─── highlight_code_to_lines(code, lang) ─> Vec<Line>
diff_render ─── highlight_code_to_styled_spans(code, lang) ─> Option<Vec<Vec<Span>>>
│
│ (None ⇒ plain text fallback)
│
/theme picker ─── set_syntax_theme(theme) // live preview swap
─── current_syntax_theme() // snapshot for cancel
─── resolve_theme_by_name(name) // lookup by kebab-case
```
Key files:
- `tui/src/render/highlight.rs` -- engine, theme management, guardrails
- `tui/src/diff_render.rs` -- syntax-aware diff line wrapping
- `tui/src/theme_picker.rs` -- `/theme` command builder
- `tui/src/bottom_pane/list_selection_view.rs` -- side content panel,
callbacks
- `core/src/config/types.rs` -- `Tui::theme` field
- `core/src/config/edit.rs` -- `syntax_theme_edit()` helper
## Observability
- `tracing::warn` when a configured theme name cannot be resolved.
- `Config::startup_warnings` surfaces the same message as a TUI banner.
- `tracing::error` when persisting theme selection fails.
## Tests
- Unit tests in `highlight.rs`: language coverage, fallback behavior,
CRLF stripping, style conversion, guardrail enforcement, theme name
mapping exhaustiveness.
- Unit tests in `diff_render.rs`: snapshot gallery at multiple terminal
sizes (80x24, 94x35, 120x40), syntax-highlighted wrapping, large-diff
guardrail, rename-to-different-extension highlighting, parser state
preservation across hunk lines.
- Unit tests in `theme_picker.rs`: preview rendering (wide + narrow),
dim overlay on deletions, subtitle truncation, cancel-restore, fallback
for unavailable configured theme.
- Unit tests in `list_selection_view.rs`: side layout geometry, stacked
fallback, buffer clearing, cancel/selection-changed callbacks.
- Integration test in `lib.rs`: theme warning uses the final
(post-resume) config.
## Cargo Deny: Unmaintained Dependency Exceptions
This PR adds two `cargo deny` advisory exceptions for transitive
dependencies pulled in by `syntect v5.3.0`:
| Advisory | Crate | Status |
|----------|-------|--------|
| RUSTSEC-2024-0320 | `yaml-rust` | Unmaintained (maintainer
unreachable) |
| RUSTSEC-2025-0141 | `bincode` | Unmaintained (development ceased;
v1.3.3 considered complete) |
**Why this is safe in our usage:**
- Neither advisory describes a known security vulnerability. Both are
"unmaintained" notices only.
- `bincode` is used by syntect to deserialize pre-compiled syntax sets.
Again, these are **static vendored artifacts** baked into the binary at
build time. No user-supplied bincode data is ever deserialized. - Attack
surface is zero for both crates; exploitation would require a
supply-chain compromise of our own build artifacts.
- These exceptions can be removed when syntect migrates to `yaml-rust2`
and drops `bincode`, or when alternative crates are available upstream.
## Why
`codex-core` was carrying the embedded system-skill sample assets (and a
`build.rs` that walks those files to register rerun triggers). Those
assets change infrequently, but any change under `codex-core` still ties
them to `codex-core`'s build/cache lifecycle.
This change moves the embedded system-skills packaging into a dedicated
`codex-skills` crate so it can be cached independently. That reduces
unnecessary invalidation/rebuild pressure on `codex-core` when the
skills bundle is the only thing that changes.
## What Changed
- Added a new `codex-rs/skills` crate (`codex-skills`) with:
- `Cargo.toml`
- `BUILD.bazel`
- `build.rs` to track skill asset file changes for Cargo rebuilds
- `src/lib.rs` containing the embedded system-skills install/cache logic
previously in `codex-core`
- Moved the embedded sample skill assets from
`codex-rs/core/src/skills/assets/samples` to
`codex-rs/skills/src/assets/samples`.
- Updated `codex-rs/core/Cargo.toml` to depend on `codex-skills` and
removed `codex-core`'s direct `include_dir` dependency.
- Removed `codex-core`'s `build.rs`.
- Replaced `codex-rs/core/src/skills/system.rs` implementation with a
thin re-export wrapper to keep existing `codex-core` call sites
unchanged.
- Updated workspace manifests/lockfile (`codex-rs/Cargo.toml`,
`codex-rs/Cargo.lock`) for the new crate.
## Why
`codex-rs/arg0` only needed two things from `codex-core`:
- the `find_codex_home()` wrapper
- the special argv flag used for the internal `apply_patch`
self-invocation path
That made `codex-arg0` depend on `codex-core` for a very small surface
area. This change removes that dependency edge and moves the shared
`apply_patch` invocation flag to a more natural boundary
(`codex-apply-patch`) while keeping the contract explicitly documented.
## What Changed
- Moved the internal `apply_patch` argv[1] flag constant out of
`codex-core` and into `codex-apply-patch`.
- Renamed the constant to `CODEX_CORE_APPLY_PATCH_ARG1` and documented
that it is part of the Codex core process-invocation contract (even
though it now lives in `codex-apply-patch`).
- Updated `arg0`, the core apply-patch runtime, and the `codex-exec`
apply-patch test to import the constant from `codex-apply-patch`.
- Updated `codex-rs/arg0` to call
`codex_utils_home_dir::find_codex_home()` directly instead of
`codex_core::config::find_codex_home()`.
- Removed the `codex-core` dependency from `codex-rs/arg0` and added the
needed direct dependency on `codex-utils-home-dir`.
- Added `codex-apply-patch` as a dev-dependency for `codex-rs/exec`
tests (the apply-patch test now imports the moved constant directly).
## Verification
- `cargo test -p codex-apply-patch`
- `cargo test -p codex-arg0`
- `cargo test -p codex-core --lib apply_patch`
- `cargo test -p codex-exec
test_standalone_exec_cli_can_use_apply_patch`
- `cargo shear`
## Why
`codex-rs/core/src/lib.rs` re-exported a broad set of types and modules
from `codex-protocol` and `codex-shell-command`. That made it easy for
workspace crates to import those APIs through `codex-core`, which in
turn hides dependency edges and makes it harder to reduce compile-time
coupling over time.
This change removes those public re-exports so call sites must import
from the source crates directly. Even when a crate still depends on
`codex-core` today, this makes dependency boundaries explicit and
unblocks future work to drop `codex-core` dependencies where possible.
## What Changed
- Removed public re-exports from `codex-rs/core/src/lib.rs` for:
- `codex_protocol::protocol` and related protocol/model types (including
`InitialHistory`)
- `codex_protocol::config_types` (`protocol_config_types`)
- `codex_shell_command::{bash, is_dangerous_command, is_safe_command,
parse_command, powershell}`
- Migrated workspace Rust call sites to import directly from:
- `codex_protocol::protocol`
- `codex_protocol::config_types`
- `codex_protocol::models`
- `codex_shell_command`
- Added explicit `Cargo.toml` dependencies (`codex-protocol` /
`codex-shell-command`) in crates that now import those crates directly.
- Kept `codex-core` internal modules compiling by using `pub(crate)`
aliases in `core/src/lib.rs` (internal-only, not part of the public
API).
- Updated the two utility crates that can already drop a `codex-core`
dependency edge entirely:
- `codex-utils-approval-presets`
- `codex-utils-cli`
## Verification
- `cargo test -p codex-utils-approval-presets`
- `cargo test -p codex-utils-cli`
- `cargo check --workspace --all-targets`
- `just clippy`
## Why
Compiling `codex-rs/core` is a bottleneck for local iteration, so this
change continues the ongoing extraction of config-related functionality
out of `codex-core` and into `codex-config`.
The goal is not just to move code, but to reduce `codex-core` ownership
and indirection so more code depends on `codex-config` directly.
## What Changed
- Moved config diagnostics logic from
`core/src/config_loader/diagnostics.rs` into
`config/src/diagnostics.rs`.
- Updated `codex-core` to use `codex-config` diagnostics types/functions
directly where possible.
- Removed the `core/src/config_loader/diagnostics.rs` shim module
entirely; the remaining `ConfigToml`-specific calls are in
`core/src/config_loader/mod.rs`.
- Moved `CONFIG_TOML_FILE` into `codex-config` and updated existing
references to use `codex_config::CONFIG_TOML_FILE` directly.
- Added a direct `codex-config` dependency to `codex-cli` for its
`CONFIG_TOML_FILE` use.
Hardens codex-rs/app-server connection lifecycle and outbound routing
for websocket clients. Fixes some FUD I was having
- Added per-connection disconnect signaling (CancellationToken) for
websocket transports.
- Split websocket handling into independent inbound/outbound tasks
coordinated by cancellation.
- Changed outbound routing so websocket connections use non-blocking
try_send; slow/full websocket writers are disconnected instead of
stalling broadcast delivery.
- Kept stdio behavior blocking-on-send (no forced disconnect) so local
stdio clients are not dropped when queues are temporarily full.
- Simplified outbound router flow by removing deferred
pending_closed_connections handling.
- Added guards to drop incoming response/notification/error messages
from unknown connections.
- Fixed listener teardown race in thread listener tasks using a
listener_generation check so stale tasks do not clear newer listeners.
Fixes
https://linear.app/openai/issue/CODEX-4966/multiclient-handle-slow-notification-consumers
## Tests
Added/updated transport tests covering:
- broadcast does not block on a slow/full websocket connection
- stdio connection waits instead of disconnecting on full queue
I (maxj) have tested manually and will retest before landing
## Summary
Simplify network approvals by removing per-attempt proxy correlation and
moving to session-level approval dedupe keyed by (host, protocol, port).
Instead of encoding attempt IDs into proxy credentials/URLs, we now
treat approvals as a destination policy decision.
- Concurrent calls to the same destination share one approval prompt.
- Different destinations (or same host on different ports) get separate
prompts.
- Allow once approves the current queued request group only.
- Allow for session caches that (host, protocol, port) and auto-allows
future matching requests.
- Never policy continues to deny without prompting.
Example:
- 3 calls:
- a.com (line 443)
- b.com (line 443)
- a.com (line 443)
=> 2 prompts total (a, b), second a waits on the first decision.
- a.com:80 is treated separately from a.com line 443
## Testing
- `just fmt` (in `codex-rs`)
- `cargo test -p codex-core tools::network_approval::tests`
- `cargo test -p codex-core` (unit tests pass; existing
integration-suite failures remain in this environment)
- add `LOG_FORMAT=json` support for app-server tracing logs via
`tracing_subscriber`'s built-in JSON formatter
- keep the default human-readable format unchanged and keep `RUST_LOG`
filtering behavior
- document the env var and update lockfile
Summary
- simplify the macOS sleep inhibitor FFI by replacing `dlopen` / `dlsym`
/ `transmute` with normal IOKit extern calls and `SAFETY` comments
- switch to cfg-selected platform implementations
(`imp::SleepInhibitor`) instead of `Box<dyn ...>`
- check in minimal IOKit bindings generated with `bindgen` and include
them from the macOS backend
- enable direct IOKit linkage in Bazel macOS builds by registering
`IOKit` in the Bazel `osx.framework(...)` toolchain extension list
- update `Cargo.lock` and `MODULE.bazel.lock` after removing the
build-time `bindgen` dependency path
Testing
- `just fmt`
- `cargo clippy -p codex-utils-sleep-inhibitor --all-targets -- -D
warnings`
- `cargo test -p codex-utils-sleep-inhibitor`
- `bazel test //codex-rs/utils/sleep-inhibitor:all --test_output=errors`
- `just bazel-lock-update`
- `just bazel-lock-check`
Context
- follow-up to #11711 addressing Ryan's review comments
- `bindgen` is used to generate the checked-in bindings file, but not at
build time
thread/resume response includes latest turn with all items, in band so
no events are stale or lost
Testing
- e2e tested using app-server-test-client using flow described in
"Testing Thread Rejoin Behavior" in
codex-rs/app-server-test-client/README.md
- e2e tested in codex desktop by reconnecting to a running turn
## Summary
- The experimental Bazel CI builds fail on all platforms because askama
resolves template paths relative to `CARGO_MANIFEST_DIR`, which points
outside the Bazel sandbox. This produces errors like:
```
error: couldn't read
`codex-rs/core/src/memories/../../../../../../../../../../../work/codex/codex/codex-rs/core/templates/memories/consolidation.md`:
No such file or directory
```
- Replaced `#[derive(Template)]` + `#[template(path = "...")]` with
`include_str!` + `str::replace()` for the three affected templates
(`consolidation.md`, `stage_one_input.md`, `read_path.md`).
`include_str!` resolves paths relative to the source file, which works
correctly in both Cargo and Bazel builds.
- The templates only use simple `{{ variable }}` substitution with no
control flow or filters, so no askama functionality is lost.
- Removes the `askama` dependency from `codex-core` since it was the
only crate using it. The workspace-level dependency definition is left
in place.
- This matches the existing pattern used throughout the codebase — e.g.
`codex-rs/core/src/memories/mod.rs` already uses
`include_str!("../../templates/memories/stage_one_system.md")` for the
fourth template file.
## Test plan
- [ ] Verify Bazel (experimental) CI passes on all platforms
- [ ] Verify rust-ci (Cargo) builds and tests continue to pass
- [ ] Verify `cargo test -p codex-core` passes locally
Bumps [env_logger](https://github.com/rust-cli/env_logger) from 0.11.8
to 0.11.9.
<details>
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<blockquote>
<h2>v0.11.9</h2>
<h2>[0.11.9] - 2026-02-11</h2>
</blockquote>
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<h2>[0.11.9] - 2026-02-11</h2>
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This PR keeps compaction context-layout test coverage separate from
runtime compaction behavior changes, so runtime logic review can stay
focused.
## Included
- Adds reusable context snapshot helpers in
`core/tests/common/context_snapshot.rs` for rendering model-visible
request/history shapes.
- Standardizes helper naming for readability:
- `format_request_input_snapshot`
- `format_response_items_snapshot`
- `format_labeled_requests_snapshot`
- `format_labeled_items_snapshot`
- Expands snapshot coverage for both local and remote compaction flows:
- pre-turn auto-compaction
- pre-turn failure/context-window-exceeded paths
- mid-turn continuation compaction
- manual `/compact` with and without prior user turns
- Captures both sides where relevant:
- compaction request shape
- post-compaction history layout shape
- Adds/uses shared request-inspection helpers so assertions target
structured request content instead of ad-hoc JSON string parsing.
- Aligns snapshots/assertions to current behavior and leaves explicit
`TODO(ccunningham)` notes where behavior is known and intentionally
deferred.
## Not Included
- No runtime compaction logic changes.
- No model-visible context/state behavior changes.
