Fixes ReadinessFlag::subscribe to avoid handing out token 0 or duplicate
tokens on i32 wrap-around, adds regression tests, and prevents readiness
gates from getting stuck waiting on an unmarkable or mis-authorized
token.
Background
Streaming assistant prose in tui2 was being rendered with viewport-width
wrapping during streaming, then stored in history cells as already split
`Line`s. Those width-derived breaks became indistinguishable from hard
newlines, so the transcript could not "un-split" on resize. This also
degraded copy/paste, since soft wraps looked like hard breaks.
What changed
- Introduce width-agnostic `MarkdownLogicalLine` output in
`tui2/src/markdown_render.rs`, preserving markdown wrap semantics:
initial/subsequent indents, per-line style, and a preformatted flag.
- Update the streaming collector (`tui2/src/markdown_stream.rs`) to emit
logical lines (newline-gated) and remove any captured viewport width.
- Update streaming orchestration (`tui2/src/streaming/*`) to queue and
emit logical lines, producing `AgentMessageCell::new_logical(...)`.
- Make `AgentMessageCell` store logical lines and wrap at render time in
`HistoryCell::transcript_lines_with_joiners(width)`, emitting joiners so
copy/paste can join soft-wrap continuations correctly.
Overlay deferral
When an overlay is active, defer *cells* (not rendered `Vec<Line>`) and
render them at overlay close time. This avoids baking width-derived
wraps based on a stale width.
Tests + docs
- Add resize/reflow regression tests + snapshots for streamed agent
output.
- Expand module/API docs for the new logical-line streaming pipeline and
clarify joiner semantics.
- Align scrollback-related docs/comments with current tui2 behavior
(main draw loop does not flush queued "history lines" to the terminal).
More details
See `codex-rs/tui2/docs/streaming_wrapping_design.md` for the full
problem statement and solution approach, and
`codex-rs/tui2/docs/tui_viewport_and_history.md` for viewport vs printed
output behavior.
Trim whitespace when validating '*** Begin Patch'/'*** End Patch'
markers in codex-apply-patch so padded marker lines parse as intended,
and add regression coverage (unit + fixture scenario); this avoids
apply_patch failures when models include extra spacing. Tested with
cargo test -p codex-apply-patch.
**Motivation**
- Bring `codex exec resume` to parity with top‑level flags so global
options (git check bypass, json, model, sandbox toggles) work after the
subcommand, including when outside a git repo.
**Description**
- Exec CLI: mark `--skip-git-repo-check`, `--json`, `--model`,
`--full-auto`, and `--dangerously-bypass-approvals-and-sandbox` as
global so they’re accepted after `resume`.
- Tests: add `exec_resume_accepts_global_flags_after_subcommand` to
verify those flags work when passed after `resume`.
**Testing**
- `just fmt`
- `cargo test -p codex-exec` (pass; ran with elevated perms to allow
network/port binds)
- Manual: exercised `codex exec resume` with global flags after the
subcommand to confirm behavior.
We've seen reports that people who try to login on a remote/headless
machine will open the login link on their own machine and got errors.
Update the instructions to ask those users to use `codex login
--device-auth` instead.
<img width="1434" height="938" alt="CleanShot 2026-01-05 at 11 35 02@2x"
src="https://github.com/user-attachments/assets/2b209953-6a42-4eb0-8b55-bb0733f2e373"
/>
Adds an optional `justification` parameter to the `prefix_rule()`
execpolicy DSL so policy authors can attach human-readable rationale to
a rule. That justification is propagated through parsing/matching and
can be surfaced to the model (or approval UI) when a command is blocked
or requires approval.
When a command is rejected (or gated behind approval) due to policy, a
generic message makes it hard for the model/user to understand what went
wrong and what to do instead. Allowing policy authors to supply a short
justification improves debuggability and helps guide the model toward
compliant alternatives.
Example:
```python
prefix_rule(
pattern = ["git", "push"],
decision = "forbidden",
justification = "pushing is blocked in this repo",
)
```
If Codex tried to run `git push origin main`, now the failure would
include:
```
`git push origin main` rejected: pushing is blocked in this repo
```
whereas previously, all it was told was:
```
execpolicy forbids this command
```
The elevated sandbox creates two new Windows users - CodexSandboxOffline
and CodexSandboxOnline. This is necessary, so this PR does all that it
can to "hide" those users. It uses the registry plus directory flags (on
their home directories) to get them to show up as little as possible.
## Summary
When using device-code login with a custom issuer
(`--experimental_issuer`), Codex correctly uses that issuer for the auth
flow — but the **terminal prompt still told users to open the default
OpenAI device URL** (`https://auth.openai.com/codex/device`). That’s
confusing and can send users to the **wrong domain** (especially for
enterprise/staging issuers). This PR updates the prompt (and related
URLs) to consistently use the configured issuer. 🎯
---
## 🔧 What changed
* 🔗 **Device auth prompt link** now uses the configured issuer (instead
of a hard-coded OpenAI URL)
* 🧭 **Redirect callback URL** is derived from the same issuer for
consistency
* 🧼 Minor cleanup: normalize the issuer base URL once and reuse it
(avoids formatting quirks like trailing `/`)
---
## 🧪 Repro + Before/After
### ▶️ Command
```bash
codex login --device-auth --experimental_issuer https://auth.example.com
```
### ❌ Before (wrong link shown)
```text
1. Open this link in your browser and sign in to your account
https://auth.openai.com/codex/device
```
### ✅ After (correct link shown)
```text
1. Open this link in your browser and sign in to your account
https://auth.example.com/codex/device
```
Full example output (same as before, but with the correct URL):
```text
Welcome to Codex [v0.72.0]
OpenAI's command-line coding agent
Follow these steps to sign in with ChatGPT using device code authorization:
1. Open this link in your browser and sign in to your account
https://auth.example.com/codex/device
2. Enter this one-time code (expires in 15 minutes)
BUT6-0M8K4
Device codes are a common phishing target. Never share this code.
```
---
## ✅ Test plan
* 🟦 `codex login --device-auth` (default issuer): output remains
unchanged
* 🟩 `codex login --device-auth --experimental_issuer
https://auth.example.com`:
* prompt link points to the issuer ✅
* callback URL is derived from the same issuer ✅
* no double slashes / mismatched domains ✅
Co-authored-by: Eric Traut <etraut@openai.com>
This change improves the skills render section
- Separate the skills list from usage rules with clear subheadings
- Define skill more clearly upfront
- Remove confusing trigger/discovery wording and make reference-following guidance more actionable
Never treat .codex or .codex/.sandbox as a workspace root.
Handle write permissions to .codex/.sandbox in a single method so that
the sandbox setup/runner can write logs and other setup files to that
directory.
What changed
- Added `outputSchema` support to the app-server APIs, mirroring `codex
exec --output-schema` behavior.
- V1 `sendUserTurn` now accepts `outputSchema` and constrains the final
assistant message for that turn.
- V2 `turn/start` now accepts `outputSchema` and constrains the final
assistant message for that turn (explicitly per-turn only).
Core behavior
- `Op::UserTurn` already supported `final_output_json_schema`; now V1
`sendUserTurn` forwards `outputSchema` into that field.
- `Op::UserInput` now carries `final_output_json_schema` for per-turn
settings updates; core maps it into
`SessionSettingsUpdate.final_output_json_schema` so it applies to the
created turn context.
- V2 `turn/start` does NOT persist the schema via `OverrideTurnContext`
(it’s applied only for the current turn). Other overrides
(cwd/model/etc) keep their existing persistent behavior.
API / docs
- `codex-rs/app-server-protocol/src/protocol/v1.rs`: add `output_schema:
Option<serde_json::Value>` to `SendUserTurnParams` (serialized as
`outputSchema`).
- `codex-rs/app-server-protocol/src/protocol/v2.rs`: add `output_schema:
Option<JsonValue>` to `TurnStartParams` (serialized as `outputSchema`).
- `codex-rs/app-server/README.md`: document `outputSchema` for
`turn/start` and clarify it applies only to the current turn.
- `codex-rs/docs/codex_mcp_interface.md`: document `outputSchema` for v1
`sendUserTurn` and v2 `turn/start`.
Tests added/updated
- New app-server integration tests asserting `outputSchema` is forwarded
into outbound `/responses` requests as `text.format`:
- `codex-rs/app-server/tests/suite/output_schema.rs`
- `codex-rs/app-server/tests/suite/v2/output_schema.rs`
- Added per-turn semantics tests (schema does not leak to the next
turn):
- `send_user_turn_output_schema_is_per_turn_v1`
- `turn_start_output_schema_is_per_turn_v2`
- Added protocol wire-compat tests for the merged op:
- serialize omits `final_output_json_schema` when `None`
- deserialize works when field is missing
- serialize includes `final_output_json_schema` when `Some(schema)`
Call site updates (high level)
- Updated all `Op::UserInput { .. }` constructions to include
`final_output_json_schema`:
- `codex-rs/app-server/src/codex_message_processor.rs`
- `codex-rs/core/src/codex_delegate.rs`
- `codex-rs/mcp-server/src/codex_tool_runner.rs`
- `codex-rs/tui/src/chatwidget.rs`
- `codex-rs/tui2/src/chatwidget.rs`
- plus impacted core tests.
Validation
- `just fmt`
- `cargo test -p codex-core`
- `cargo test -p codex-app-server`
- `cargo test -p codex-mcp-server`
- `cargo test -p codex-tui`
- `cargo test -p codex-tui2`
- `cargo test -p codex-protocol`
- `cargo clippy --all-features --tests --profile dev --fix -- -D
warnings`
Load managed requirements from MDM key `requirements_toml_base64`.
Tested on my Mac (using `defaults` to set the preference, though this
would be set by MDM in production):
```
➜ codex git:(gt/mdm-requirements) defaults read com.openai.codex requirements_toml_base64 | base64 -d
allowed_approval_policies = ["on-request"]
➜ codex git:(gt/mdm-requirements) just c --yolo
cargo run --bin codex -- "$@"
Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
Running `target/debug/codex --yolo`
Error loading configuration: value `Never` is not in the allowed set [OnRequest]
error: Recipe `codex` failed on line 11 with exit code 1
➜ codex git:(gt/mdm-requirements) defaults delete com.openai.codex requirements_toml_base64
➜ codex git:(gt/mdm-requirements) just c --yolo
cargo run --bin codex -- "$@"
Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
Running `target/debug/codex --yolo`
╭──────────────────────────────────────────────────────────╮
│ >_ OpenAI Codex (v0.0.0) │
│ │
│ model: codex-auto-balanced medium /model to change │
│ directory: ~/code/codex/codex-rs │
╰──────────────────────────────────────────────────────────╯
Tip: Start a fresh idea with /new; the previous session stays in history.
```
Context
- This code parses Server-Sent Events (SSE) from the legacy Chat
Completions streaming API (wire_api = "chat").
- The upstream protocol terminates a stream with a final sentinel event:
data: [DONE].
- Some of our test stubs/helpers historically end the stream with data:
DONE (no brackets).
How this was found
- GitHub Actions on Windows failed in codex-app-server integration tests
with wiremock verification errors (expected multiple POSTs, got 1).
Diagnosis
- The job logs included: codex_api::sse::chat: Failed to parse
ChatCompletions SSE event ... data: DONE.
- eventsource_stream surfaces the sentinel as a normal SSE event; it
does not automatically close the stream.
- The parser previously attempted to JSON-decode every data: payload.
The sentinel is not JSON, so we logged and skipped it, then continued
polling.
- On servers that keep the HTTP connection open after emitting the
sentinel (notably wiremock on Windows), skipping the sentinel meant we
never emitted ResponseEvent::Completed.
- Higher layers wait for completion before progressing (emitting
approval requests and issuing follow-up model calls), so the test never
reached the subsequent requests and wiremock panicked when its
expected-call count was not met.
Fix
- Treat both data: [DONE] and data: DONE as explicit end-of-stream
sentinels.
- When a sentinel is seen, flush any pending assistant/reasoning items
and emit ResponseEvent::Completed once.
Tests
- Add a regression unit test asserting we complete on the sentinel even
if the underlying connection is not closed.
## Summary
- Add a transcript scrollbar in `tui2` using `tui-scrollbar`.
- Reserve 2 columns on the right (1 empty gap + 1 scrollbar track) and
plumb the reduced width through wrapping/selection/copy so rendering and
interactions match.
- Auto-hide the scrollbar when the transcript is pinned to the bottom
(columns remain reserved).
- Add mouse click/drag support for the scrollbar, with pointer-capture
so drags don’t fall through into transcript selection.
- Skip scrollbar hit-testing when auto-hidden to avoid an invisible
interactive region.
## Notes
- Styling is theme-aware: in light themes the thumb is darker than the
track; in dark themes it reads as an “indented” element without going
full-white.
- Pre-Ratatui 0.30 (ratatui-core split) requires a small scratch-buffer
bridge; this should simplify once we move to Ratatui 0.30.
## Testing
- `just fmt`
- `just fix -p codex-tui2 --allow-no-vcs`
- `cargo test -p codex-tui2`
The Responses API requires that all tool names conform to
'^[a-zA-Z0-9_-]+$'. This PR replaces all non-conforming characters with
`_` to ensure that they can be used.
Fixes#8174
Fixes /review base-branch prompt resolution to use the session/turn cwd
(respecting runtime cwd overrides) so merge-base/diff guidance is
computed from the intended repo; adds a regression test for cwd
overrides; tested with cargo test -p codex-core --test all
review_uses_overridden_cwd_for_base_branch_merge_base.
Fix this: https://github.com/openai/codex/issues/8479
The issue is that chat completion API expect all the tool calls in a
single assistant message and then all the tool call output in a single
response message
Bumps [tokio-stream](https://github.com/tokio-rs/tokio) from 0.1.17 to
0.1.18.
<details>
<summary>Commits</summary>
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href="60b083b630"><code>60b083b</code></a>
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Merge 'tokio-1.47.3' into 'master'</li>
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Bumps [clap_complete](https://github.com/clap-rs/clap) from 4.5.57 to
4.5.64.
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Clicking the transcript copy pill or pressing the copy shortcut now
copies the selected transcript text and clears the highlight.
Show transient footer feedback ("Copied"/"Copy failed") after a copy
attempt, with logic in transcript_copy_action to keep app.rs smaller and
closer to tui for long-term diffs.
Update footer snapshots and add tiny unit tests for feedback expiry.
https://github.com/user-attachments/assets/c36c8163-11c5-476b-b388-e6fbe0ff6034
When the selection ends on the last visible row, the copy affordance had
no space below and never rendered. Fall back to placing it above (or on
the same row for 1-row viewports) and add a regression test.
Mouse/trackpad scrolling in tui2 applies deltas in visual lines, but the
transcript scroll state was anchored only to CellLine entries.
When a 1-line scroll landed on the synthetic inter-cell Spacer row
(inserted between non-continuation cells),
`TranscriptScroll::anchor_for` would skip that row and snap back to the
adjacent cell line. That makes the resolved top offset unchanged for
small/coalesced scroll deltas, so scrolling appears to get stuck right
before certain cells (commonly user prompts and command output cells).
Fix this by making spacer rows a first-class scroll anchor:
- Add `TranscriptScroll::ScrolledSpacerBeforeCell` and resolve it back
to the spacer row index when present.
- Update `anchor_for`/`scrolled_by` to preserve spacers instead of
skipping them.
- Treat the new variant as "already anchored" in
`lock_transcript_scroll_to_current_view`.
Tests:
- cargo test -p codex-tui2
## Summary
Forked repositories inherit GitHub Actions workflows including scheduled
ones. This causes:
1. **Wasted Actions minutes** - Scheduled workflows run on forks even
though they will fail
2. **Failed runs** - Workflows requiring `CODEX_OPENAI_API_KEY` fail
immediately on forks
3. **Noise** - Fork owners see failed workflow runs they didn't trigger
This PR adds `if: github.repository == 'openai/codex'` guards to
workflows that should only run on the upstream repository.
### Affected workflows
| Workflow | Trigger | Issue |
|----------|---------|-------|
| `rust-release-prepare` | `schedule: */4 hours` | Runs 6x/day on every
fork |
| `close-stale-contributor-prs` | `schedule: daily` | Runs daily on
every fork |
| `issue-deduplicator` | `issues: opened` | Requires
`CODEX_OPENAI_API_KEY` |
| `issue-labeler` | `issues: opened` | Requires `CODEX_OPENAI_API_KEY` |
### Note
`cla.yml` already has this guard (`github.repository_owner ==
'openai'`), so it was not modified.
## Test plan
- [ ] Verify workflows still run correctly on `openai/codex`
- [ ] Verify workflows are skipped on forks (can check via Actions tab
on any fork)
The transcript viewport draws every frame. Ratatui's Line::render_ref
does grapheme segmentation and span layout, so repeated redraws can burn
CPU during streaming even when the visible transcript hasn't changed.
Introduce TranscriptViewCache to reduce per-frame work:
- WrappedTranscriptCache memoizes flattened+wrapped transcript lines per
width, appends incrementally as new cells arrive, and rebuilds on width
change, truncation (backtrack), or transcript replacement.
- TranscriptRasterCache caches rasterized rows (Vec<Cell>) per line
index and user-row styling; redraws copy cells instead of rerendering
spans.
The caches are width-scoped and store base transcript content only;
selection highlighting and copy affordances are applied after drawing.
User rows include the row-wide base style in the cached raster.
Refactor transcript_render to expose append_wrapped_transcript_cell for
incremental building and add a test that incremental append matches the
full build.
Add docs/tui2/performance-testing.md as a playbook for macOS sample
profiles and hotspot greps.
Expand transcript_view_cache tests to cover rebuild conditions, raster
equivalence vs direct rendering, user-row caching, and eviction.
Test: cargo test -p codex-tui2
last token count in context manager is initialized to 0. Gets populated
only on events from server.
This PR populates it on resume so we can decide if we need to compact or
not.
This reduces unnecessary frame scheduling in codex-tui2.
Changes:
- Gate redraw scheduling for streaming deltas when nothing visible
changes.
- Avoid a redraw feedback loop from footer transcript UI state updates.
Why:
- Streaming deltas can arrive at very high frequency; redrawing on every
delta can drive a near-constant render loop.
- BottomPane was requesting another frame after every Draw even when the
derived transcript UI state was unchanged.
Testing:
- cargo test -p codex-tui2
Manual sampling:
- sample "$(pgrep -n codex-tui2)" 3 -file
/tmp/tui2.idle.after.sample.txt
- sample "$(pgrep -n codex-tui2)" 3 -file
/tmp/tui2.streaming.after.sample.txt
This eliminates redundant user documentation and allows us to focus our
documentation investments.
I left tombstone files for most of the existing ".md" docs files to
avoid broken links. These now contain brief links to the developers docs
site.
This is more future-proof if we ever decide to add additional Sandbox
Users for new functionality
This also moves some more user-related code into a new file for code
cleanliness
Bumps [regex-lite](https://github.com/rust-lang/regex) from 0.1.7 to
0.1.8.
<details>
<summary>Changelog</summary>
<p><em>Sourced from <a
href="https://github.com/rust-lang/regex/blob/master/CHANGELOG.md">regex-lite's
changelog</a>.</em></p>
<blockquote>
<h1>0.1.80</h1>
<ul>
<li>[PR <a
href="https://redirect.github.com/rust-lang/regex/issues/292">#292</a>](<a
href="https://redirect.github.com/rust-lang/regex/pull/292">rust-lang/regex#292</a>):
Fixes bug <a
href="https://redirect.github.com/rust-lang/regex/issues/291">#291</a>,
which was introduced by PR <a
href="https://redirect.github.com/rust-lang/regex/issues/290">#290</a>.</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a
href="140f8949da"><code>140f894</code></a>
regex-lite-0.1.8</li>
<li><a
href="27d6d65263"><code>27d6d65</code></a>
1.12.1</li>
<li><a
href="85398ad500"><code>85398ad</code></a>
changelog: 1.12.1</li>
<li><a
href="764efbd305"><code>764efbd</code></a>
api: tweak the lifetime of <code>Captures::get_match</code></li>
<li><a
href="ee6aa55e01"><code>ee6aa55</code></a>
rure-0.2.4</li>
<li><a
href="42076c6bca"><code>42076c6</code></a>
1.12.0</li>
<li><a
href="aef2153e31"><code>aef2153</code></a>
deps: bump to regex-automata 0.4.12</li>
<li><a
href="459dbbeaa9"><code>459dbbe</code></a>
regex-automata-0.4.12</li>
<li><a
href="610bf2d76e"><code>610bf2d</code></a>
regex-syntax-0.8.7</li>
<li><a
href="7dbb384dd0"><code>7dbb384</code></a>
changelog: 1.12.0</li>
<li>Additional commits viewable in <a
href="https://github.com/rust-lang/regex/compare/regex-lite-0.1.7...regex-lite-0.1.8">compare
view</a></li>
</ul>
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