Rename `SkillMetadata.path` to `SkillMetadata.path_to_skills_md` for
clarity.
Would ideally change the type to `AbsolutePathBuf`, but that can be done
later.
## Summary
Improve `js_repl` behavior when the Node kernel hits a process-level
failure (for example, an uncaught exception or unhandled Promise
rejection).
Instead of only surfacing a generic `js_repl kernel exited unexpectedly`
after stdout EOF, `js_repl` now returns a clearer exec error for the
active request, then resets the kernel cleanly.
## Why
Some sandbox-denied operations can trigger Node errors that become
process-level failures (for example, an unhandled EventEmitter `'error'`
event). In that case:
- the kernel process exits,
- the host sees stdout EOF,
- the user gets a generic kernel-exit error,
- and the next request can briefly race with stale kernel state.
This change improves that failure mode without monkeypatching Node APIs.
## Changes
### Kernel-side (`js_repl` Node process)
- Add process-level handlers for:
- `uncaughtException`
- `unhandledRejection`
- When one of these fires:
- best-effort emit a normal `exec_result` error for the active exec
- include actionable guidance to catch/handle async errors (including
Promise rejections and EventEmitter `'error'` events)
- exit intentionally so the host can reset/restart the kernel
### Host-side (`JsReplManager`)
- Clear dead kernel state as soon as the stdout reader observes
unexpected kernel exit/EOF.
- This lets the next `js_repl` exec start a fresh kernel instead of
hitting a stale broken-pipe path.
### Tests
- Add regression coverage for:
- uncaught async exception -> exec error + kernel recovery on next exec
- Update forced-kernel-exit test to validate recovery behavior (next
exec restarts cleanly)
## Impact
- Better user-facing error for kernel crashes caused by
uncaught/unhandled async failures.
- Cleaner recovery behavior after kernel exit.
## Validation
- `cargo test -p codex-core --lib
tools::js_repl::tests::js_repl_uncaught_exception_returns_exec_error_and_recovers
-- --exact`
- `cargo test -p codex-core --lib
tools::js_repl::tests::js_repl_forced_kernel_exit_recovers_on_next_exec
-- --exact`
- `just fmt`
## Summary
- add graceful websocket app-server restart on Ctrl-C by draining until
no assistant turns are running
- stop the websocket acceptor and disconnect existing connections once
the drain condition is met
- add a websocket integration test that verifies Ctrl-C waits for an
in-flight turn before exit
## Verification
- `cargo check -p codex-app-server --quiet`
- `cargo test -p codex-app-server --test all
suite::v2::connection_handling_websocket`
- I (maxj) tested remote and local Codex.app
---------
Co-authored-by: Codex <noreply@openai.com>
## 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.
Increase `IMAGE_BYTES_ESTIMATE` from 340 bytes to 7,373 bytes so the
existing 4-bytes/token heuristic yields an image estimate of ~1,844
tokens instead of ~85. This makes auto-compaction more conservative for
image-heavy transcripts and avoids underestimating context usage, which
can otherwise cause compaction to fail when there is not enough free
context remaining. The new value was chosen because that's the image
resolution cap used for our latest models.
Follow-up to [#12419](https://github.com/openai/codex/pull/12419).
Refs [#11845](https://github.com/openai/codex/issues/11845).
Fixes#12128
The docs indicates that `project_root_markers` are used to discover the
project root for local config as well as `AGENTS.md`. It looks like it
was never wired up to support the latter.
Summary
- resolve project docs by walking to the configured
`project_root_markers` (or defaults) instead of assuming the Git root,
while honoring CLI overrides and handling malformed configs
- fall back to the project’s canonical path chain and add a test that
makes sure custom markers upstream of `.git` are respected
- Add a hidden `realtime_conversation` feature flag and `/realtime`
slash command for start/stop live voice sessions.
- Reuse transcription composer/footer UI for live metering, stream mic
audio, play assistant audio, render realtime user text events, and
force-close on feature disable.
---------
Co-authored-by: Codex <noreply@openai.com>
Summary
- detect skill-invoking shell commands based on the original command
string, request approvals when needed, and cache positive decisions per
session
- keep implicit skill invocation emitted after approval and keep skill
approval decline messaging centralized to the shell handler
- expand and adjust skill approval tests to cover shell-based skill
scripts while matching the new detection expectations
Testing
- Not run (not requested)
## Problem
Diff lines used only foreground colors (green/red) with no background
tinting, making them hard to scan. The gutter (line numbers) also had no
theme awareness — dimmed text was fine on dark terminals but unreadable
on light ones.
## Mental model
Each diff line now has four styled layers: **gutter** (line number),
**sign** (`+`/`-`), **content** (text), and **line background** (full
terminal width). A `DiffTheme` enum (`Dark` / `Light`) is selected once
per render by probing the terminal's queried background via
`default_bg()`. A companion `DiffColorLevel` enum (`TrueColor` /
`Ansi256` / `Ansi16`) is derived from `stdout_color_level()` and gates
which palette is used. All style helpers dispatch on `(theme,
DiffLineType, color_level)` to pick the right colors.
| Theme Picker Wide | Theme Picker Narrow |
|---|---|
| <img width="1552" height="1012" alt="image"
src="https://github.com/user-attachments/assets/231b21b7-32d4-4727-80ed-7d01924954be"
/> | <img width="795" height="1012" alt="image"
src="https://github.com/user-attachments/assets/549cacdf-daec-43c9-ad64-2a28d16d140e"
/> |
| Dark BG - 16 colors | Dark BG - 256 colors | Dark BG - True Colors |
|---|---|---|
| <img width="1552" height="1012" alt="dark-16colors"
src="https://github.com/user-attachments/assets/fba36de3-c101-47d4-9e63-88cdd00410d0"
/> | <img width="1552" height="1012" alt="dark-256colors"
src="https://github.com/user-attachments/assets/f39e4307-c6b0-49c4-b4fe-bd26d3d8e41c"
/> | <img width="1552" height="1012" alt="dark-truecolor"
src="https://github.com/user-attachments/assets/1af4ec57-04bf-4dfb-8a44-0ab5e5aaaf18"
/> |
| Light BG - 16 colors | Light BG - 256 colors | Light BG - True Colors
|
|---|---|---|
| <img width="1552" height="1012" alt="light-16colors"
src="https://github.com/user-attachments/assets/2b5423d1-74b4-4b1e-8123-7c2488ff436b"
/> | <img width="1552" height="1012" alt="light-256colors"
src="https://github.com/user-attachments/assets/c94cff9a-8d3e-42c9-bbe7-079da39953a8"
/> | <img width="1552" height="1012" alt="light-truecolor"
src="https://github.com/user-attachments/assets/f73da626-725f-4452-99ee-69ef706df2c6"
/> |
## Non-goals
- No runtime theme switching beyond what `default_bg()` already
provides.
- No change to syntax highlighting theme selection or the highlight
module.
## Tradeoffs
- Three fixed palettes (truecolor RGB, 256-color indexed, 16-color
named) are maintained rather than using `best_color` nearest-match. This
is deliberate: `supports_color::on_cached(Stream::Stdout)` can misreport
capabilities once crossterm enters the alternate screen, so hand-picked
palette entries give better visual results than automatic quantization.
- Delete lines in the syntax-highlighted path get `Modifier::DIM` to
visually recede compared to insert lines. This trades some readability
of deleted code for scan-ability of additions.
- The theme picker's diff preview sets `preserve_side_content_bg: true`
on `ListSelectionView` so diff background tints survive into the side
panel. Other popups keep the default (`false`) to preserve their
reset-background look.
## Architecture
- **Color constants** are module-level `const` items grouped by palette
tier: `DARK_TC_*` / `LIGHT_TC_*` (truecolor RGB tuples), `DARK_256_*` /
`LIGHT_256_*` (xterm indexed), with named `Color` variants used for the
16-color tier.
- **`DiffTheme`** is a private enum; `diff_theme()` probes the terminal
and `diff_theme_for_bg()` is the testable pure-function version.
- **`DiffColorLevel`** is a private enum derived from `StdoutColorLevel`
via `diff_color_level()`.
- **Palette helpers** (`add_line_bg`, `del_line_bg`, `light_gutter_fg`,
`light_add_num_bg`, `light_del_num_bg`) each take `(DiffTheme,
DiffColorLevel)` or just `DiffColorLevel` and return a `Color`.
- **Style helpers** (`style_line_bg_for`, `style_gutter_for`,
`style_sign_add`, `style_sign_del`, `style_add`, `style_del`) each take
`(DiffLineType, DiffTheme, DiffColorLevel)` or `(DiffTheme,
DiffColorLevel)` and return a `Style`.
- **`push_wrapped_diff_line_inner_with_theme_and_color_level`** is the
innermost renderer, accepting both theme and color level so tests can
exercise any combination without depending on the terminal.
- **Line-level background** is applied via
`RtLine::from(...).style(line_bg)` so the tint extends across the full
terminal width, not just the text content.
- **Theme picker integration**: `ListSelectionView` gained a
`preserve_side_content_bg` flag. When `true`, the side panel skips
`force_bg_to_terminal_bg`, letting diff preview backgrounds render
faithfully.
## Observability
No new logging. Theme selection is deterministic from `default_bg()`,
which is already queried and cached at TUI startup.
## Tests
1. **`DiffTheme` is determined per `render_change` call** — if
`default_bg()` changes mid-render (e.g. `requery_default_colors()`
fires), different file chunks could render with different themes. Low
risk in practice since re-query only happens on explicit user action.
2. **16-color tier uses named `Color` variants** (`Color::Green`,
`Color::Red`, etc.) which the terminal maps to its own palette. On
unusual terminal themes these could clash with the background.
Acceptable since 16-color terminals already have unpredictable color
rendering.
3. **Light-theme `style_add` / `style_del` set bg but no fg** — on light
terminals, non-syntax-highlighted content uses the terminal's default
foreground against a pastel background. If the terminal's default fg
happens to be very light, contrast could suffer. This is an edge case
since light-terminal users typically have dark default fg.
4. **`preserve_side_content_bg` is a general-purpose flag but only used
by the theme picker** — if other popups start using side content with
intentional backgrounds they'll need to opt in explicitly. Not a real
risk today, just a note for future callers.
#### What
Try matching `\w+`-namespaced model after `longest prefix` as heuristic
to match `ModelInfo` from list of candidates.
This shouldn't regress existing behavior:
- `gpt-5.2-codex` -> `gpt-5.2` if `gpt-5.2-codex` not present
- `gpt-5.3` -> `gpt-5` if `gpt-5.3` not present
- `gpt-9` still doesn't match anything
while being more forgiving for custom prefixes:
- `oai/gpt-5.3-codex` -> `gpt-5.3-codex`
#### Tests
Added unit test.
Fixes#12175
If a user types an npm package name with multiple `@` symbols like `npx
-y @foo/bar@latest`, the TUI currently treats this as though it's
attempting to invoke the file picker.
### What changed
- **Generalized `@` token parsing**
- `current_prefixed_token(...)` now treats `@` as a token start **only
at a whitespace boundary** (or start-of-line).
- If the cursor is on a nested `@` inside an existing
whitespace-delimited token (for example `@scope/pkg@latest`), it keeps
the surrounding token active instead of starting a new token at the
second `@`.
- It also avoids misclassifying mid-word usages like `foo@bar` as an `@`
file token.
- **Enter behavior with file popup**
- If the file-search popup is open but has **no selected match**,
pressing `Enter` now closes the popup and falls through to normal submit
behavior.
- This prevents pasted strings containing `@...` from blocking
submission just because file-search was active with no actionable
selection.
### Testing
I manually built and tested the scenarios involved with the bug report
and related use of `@` mentions to verify no regressions
## 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.
## Summary
Introduces the initial implementation of Feature::RequestPermissions.
RequestPermissions allows the model to request that a command be run
inside the sandbox, with additional permissions, like writing to a
specific folder. Eventually this will include other rules as well, and
the ability to persist these permissions, but this PR is already quite
large - let's get the core flow working and go from there!
<img width="1279" height="541" alt="Screenshot 2026-02-15 at 2 26 22 PM"
src="https://github.com/user-attachments/assets/0ee3ec0f-02ec-4509-91a2-809ac80be368"
/>
## Testing
- [x] Added tests
- [x] Tested locally
- [x] Feature
Send a request with `generate: falls` but a full set of tools and
instructions to pre-warm inference.
---------
Co-authored-by: Codex <noreply@openai.com>
## Summary
- tighten the memory-use decision boundary so agents skip memory only
for clearly self-contained asks
- make the quick memory pass more explicit and bounded (including a
lightweight search budget)
- add structured `<memory_citation>` requirements and examples for final
replies
- clarify memory update guidance and end-state wording for memory lookup
## Why
The previous template was directionally correct, but still left room for
inconsistent memory lookup behavior and citation formatting. This change
makes the default behavior, quick-pass scope, and citation output
contract much more explicit.
## Testing
- not run (prompt/template text change only)
Co-authored-by: jif-oai <jif@openai.com>
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.
Fixes#12216
Fixes a panic in `AbsolutePathBuf::parent()` when the process hits file
descriptor exhaustion (`EMFILE` / "Too many open files").
### Root cause
`AbsolutePathBuf::parent()` was re-validating the parent path via
`from_absolute_path(...).expect(...)`.
`from_absolute_path()` calls `path_absolutize::absolutize()`, which can
depend on `std::env::current_dir()`. Under `EMFILE`, that can fail,
causing `parent()` to panic even though the parent of an absolute path
is already known.
### Change
- Stop re-absolutizing the result of `self.0.parent()`
- Construct `AbsolutePathBuf` directly from the known parent path
- Keep an invariant check with `debug_assert!(p.is_absolute())`
### Why this is safe
`self` is already an `AbsolutePathBuf`, so `self.0` is
absolute/normalized. The parent of an absolute path is expected to be
absolute, so re-running fallible normalization here is unnecessary and
can introduce unrelated panics.
- use `skills_for_cwd` lookup to scope allowed skills and build
invocation context for downstream processing
- add detection in `stream_events_utils` to classify tool calls as
implicit skill invocations per the proposal (script runners, extensions,
`scripts` dirs, and SKILL.md reads)
- deduplicate invocations per turn and emit analytics/OTEL events on the
same background queue as explicit invokes
## Summary
The test exec_resume_last_respects_cwd_filter_and_all_flag makes one
session “newest” by resuming it, but rollout updated_at is stored/sorted
at second precision. On fast CI (especially Windows), the touch could
land in the same second as initial session creation, making ordering
nondeterministic.
This change adds a short sleep before the recency-touch step so the
resumed session is guaranteed to have a later updated_at, preserving the
intended assertion without changing product behavior.
## Summary
Persist network approval allow/deny decisions as `network_rule(...)`
entries in execpolicy (not proxy config)
It adds `network_rule` parsing + append support in `codex-execpolicy`,
including `decision="prompt"` (parse-only; not compiled into proxy
allow/deny lists)
- compile execpolicy network rules into proxy allow/deny lists and
update the live proxy state on approval
- preserve requirements execpolicy `network_rule(...)` entries when
merging with file-based execpolicy
- reject broad wildcard hosts (for example `*`) for persisted
`network_rule(...)`
## 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`
# External (non-OpenAI) Pull Request Requirements
Before opening this Pull Request, please read the dedicated
"Contributing" markdown file or your PR may be closed:
https://github.com/openai/codex/blob/main/docs/contributing.md
If your PR conforms to our contribution guidelines, replace this text
with a detailed and high quality description of your changes.
Include a link to a bug report or enhancement request.
## Summary
This fixes a TUI race (https://github.com/openai/codex/issues/11008)
where pressing Enter with Steer enabled while the assistant is still
streaming the final answer could put Codex into a non-recoverable
“running” state (no further prompts handled until exiting and resuming).
## Root Cause
In steer mode, `InputResult::Submitted` could submit immediately even
while a final-answer stream was active. That immediate submission races
with turn completion and can strand turn state.
## Fix
When handling `InputResult::Submitted`, we now queue instead of
immediate-submit if a final-answer stream is active
(`stream_controller.is_some()`).
This keeps behavior deterministic:
- Prompt is preserved in the queue.
- `on_task_complete()` drains queued input through
`maybe_send_next_queued_input()`.
- Follow-up prompts continue in FIFO order after completion.
## Why this resolves the “dead mode”
The problematic timing window is now converted into queueing, so prompts
entered during final streaming are not lost and are processed after the
current output ends. The model continues handling prompts normally
without requiring `/quit` + `resume`.
## Tests
Added regression coverage in `tui/src/chatwidget/tests.rs`:
- `steer_enter_queues_while_final_answer_stream_is_active`
- `steer_enter_during_final_stream_preserves_follow_up_prompts_in_order`
Both fail on old behavior and pass with this fix.
## Summary
- Replace the `panic!` in `map_owned_wrapped_line_to_range` with a
recoverable flow that skips synthetic leading characters, logs a warning
on mid-line mismatch, and returns the mapped prefix range instead of
crashing
- Fixes a crash when `textwrap` produces owned lines with synthetic
indent prefixes (e.g. non-space indents via
`initial_indent`/`subsequent_indent`)
## Test plan
- [x] Added unit test for direct mismatch recovery
(`map_owned_wrapped_line_to_range_recovers_on_non_prefix_mismatch`)
- [x] Added end-to-end `wrap_ranges` test with non-space indents that
forces owned wrapped lines and validates full source reconstruction
- [x] Verify no regressions in existing `wrapping.rs` tests (`cargo test
-p codex-tui`)
## Why
Tool handlers and runtimes needed to pass the same turn/session context
for shell and non-shell workflows without duplicative ownership churn.
Using shared pointers avoids temporary lifetimes and keeps existing
behavior unchanged while simplifying call sites.
## What changed
- Converted `ToolCtx` to store shared context handles (`Arc`-based),
including updates across shell, apply-patch, and unified-exec paths.
- Updated orchestrator/runtime call sites to consume the shared context
consistently and remove brittle move/borrow patterns.
- Kept behavior unchanged while preparing the type surface for the new
shell escalation integration in the next stack commit.
## Verification
- Validated this commit stack point with `just clippy` and confirmed
workspace compiles cleanly in this stack state.
[//]: # (BEGIN SAPLING FOOTER)
Stack created with [Sapling](https://sapling-scm.com). Best reviewed
with [ReviewStack](https://reviewstack.dev/openai/codex/pull/12583).
* #12584
* __->__ #12583
* #12556
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