## Why
`core/src/config/edit.rs` owns the config edit state machine, but it
also carried the TOML document helper code inline as a nested module.
Moving those helpers into their own file keeps the edit orchestration
easier to scan without changing the config persistence behavior.
## What changed
- Moved the existing `document_helpers` module from
`core/src/config/edit.rs` into
`core/src/config/edit/document_helpers.rs`.
- Added `mod document_helpers;` so the existing `pub(super)` helper API
remains available to the rest of `config::edit`.
## Testing
Not run; this is a refactor-only module extraction with no intended
behavior change.
## Why
Some models need to select their code-execution behavior through model
catalog metadata. Models without that metadata must continue to follow
the existing `CodeMode` and `CodeModeOnly` feature flags, including when
a newer server sends an enum value this client does not recognize.
## What changed
- add optional `ModelInfo.tool_mode` metadata with `direct`,
`code_mode`, and `code_mode_only`
- treat omitted and unknown wire values as `None`
- resolve `None` from the existing feature flags
- carry the resolved `ToolMode` directly on `TurnContext`, outside
`Config`
- use the resolved value for turn creation, model switches, review
turns, tool planning, and code execution
## Coverage
- add protocol coverage for omitted, known, and unknown enum values
- add focused coverage for flag fallback and explicit metadata
overriding feature flags
- add core integration coverage that fetches remote model metadata
through `/v1/models` and verifies the outbound `/responses` tools for
explicit `direct` and `code_mode_only` selectors
## Stack
- followed by #25032
## Summary
- Clarify default, omission, and bounded behavior across built-in tool
schemas, including unified exec, classic shell, Code Mode exec/wait,
multi-agent, agent job, MCP resource, image, goal, plan, tool_search,
and test-sync fields.
- Convert update_plan status to an enum and add short field descriptions
where the schema previously relied on surrounding context.
- Remove the dedicated permission-approval schema test and keep only
updates to existing expected-spec tests.
## Validation
- Ran `just fmt`.
- Ran `git diff --check`.
- Did not run clippy or tests, per request.
Regression has been eval
[here](https://openai.slack.com/archives/C09GDSP1J9X/p1779905065496949)
and we proved there are no regressions
## Why
This PR is stacked on #24918, which moves goal steering onto
source-labeled internal model context fragments. Active-turn goal
steering should use the same running-turn injection path as other
runtime steering, so those fragments enter the pending input queue as
`ResponseItem`s through the existing
[`Session::inject_if_running`](https://github.com/openai/codex/blob/8d6f6cdf69b055c27682e7cdea9caf72a3e2ee7f/codex-rs/core/src/session/inject.rs#L12-L27)
behavior instead of through a goal-specific conversion wrapper.
## What Changed
- Exposes a narrow `CodexThread::inject_if_running` bridge for callers
that only hold a thread handle.
- Changes `ext/goal` active-turn steering to pass `ResponseItem`s
directly.
- Builds goal steering prompts as contextual internal model context
`ResponseItem`s before injecting them into the running turn.
## Testing
Not run locally; PR metadata update only.
## Why
Goal steering is one form of runtime-owned model context, but the old
`<goal_context>` wrapper made the contextual-fragment hiding path
goal-specific. Using a source-labeled internal context fragment gives
core and extensions a shared shape for hidden model steering while
keeping those prompts out of visible turn history.
The change also keeps legacy `<goal_context>` messages recognized as
hidden contextual input so existing stored history does not start
rendering old goal-steering prompts as user-visible turn items.
## What Changed
- Replaces `GoalContext` with `InternalModelContextFragment` plus a
validated `InternalContextSource`.
- Renders goal steering as `<codex_internal_context
source="goal">...</codex_internal_context>`.
- Updates core goal steering and `ext/goal` steering to inject the new
internal-context fragment.
- Updates contextual-fragment, event-mapping, goal, and session tests
for the new wrapper.
## Test Coverage
- Adds coverage for detecting the new internal model context fragment.
- Preserves coverage for hiding legacy `<goal_context>` fragments.
- Verifies invalid internal context sources are rejected and arbitrary
context tags are not hidden.
- Updates goal steering/session assertions to expect the new
`source="goal"` wrapper.
## Why
Permission profiles can mark filesystem entries as unreadable with
`deny` rules, including glob patterns. Several shell execution paths
treated known-safe commands or execpolicy `allow` rules as sufficient to
run outside the filesystem sandbox. That is not valid for read-capable
commands: for example, `cat` or `ls` may be reasonable to allow
generally, but dropping the sandbox would also drop deny-read
constraints such as `**/*.env`.
## What changed
- Added a shared check that treats active deny-read restrictions as
incompatible with unsandboxed execution.
- Kept first-attempt execution sandboxed for explicit escalation and
execpolicy allow bypasses when deny-read entries are present.
- Prevented no-sandbox retry after a sandbox denial when the active
filesystem policy contains deny-read entries.
- Updated the zsh-fork execve path so prefix-rule `allow` decisions
continue inside the current sandbox when deny-read restrictions are
active.
## Verification
- `cargo test -p codex-core tools::sandboxing::tests`
- `cargo test -p codex-core
tools::runtimes::shell::unix_escalation::tests`
- `cargo test -p codex-core
shell_command_enforces_glob_deny_read_policy`
## Why
#23813 switches the Windows sandbox runner path to `PermissionProfile`,
but it still left one runtime anchor for resolving symbolic
`:workspace_roots` entries. That is not enough once a turn has multiple
effective workspace roots: exact entries and deny globs under
`:workspace_roots` need to be materialized for every runtime root before
the command runner chooses token mode or builds ACL plans.
## What Changed
- Replaces the Windows runner/setup `permission_profile_cwd` plumbing
with `workspace_roots: Vec<AbsolutePathBuf>`.
- Resolves Windows-local `PermissionProfile` data with
`materialize_project_roots_with_workspace_roots(...)` instead of the
single-cwd helper.
- Threads `Config::effective_workspace_roots()` through core execution,
unified exec, TUI setup/read-grant flows, app-server setup, app-server
`command/exec`, and `debug sandbox` on Windows.
- Preserves those workspace roots through the zsh-fork escalation
executor instead of rebuilding them from `sandbox_policy_cwd`.
- Makes `ExecRequest::new(...)` and the remaining
`build_exec_request(...)` helper path take
`windows_sandbox_workspace_roots` explicitly so new call sites cannot
silently fall back to `vec![cwd]`.
- Clarifies the `debug sandbox` non-Windows comment: remaining
cwd-dependent resolution still uses `sandbox_policy_cwd`, while
`:workspace_roots` entries are already materialized from config roots.
- Updates elevated runner IPC `SpawnRequest` to send `workspace_roots`
and bumps the framed IPC protocol version to `3` for the payload shape
change.
- Adds Windows-local resolver coverage for expanding exact and glob
`:workspace_roots` entries across multiple roots, plus core helper
coverage proving explicit roots are preserved.
## Verification
- `cargo check -p codex-windows-sandbox -p codex-core -p codex-tui -p
codex-cli -p codex-app-server`
- `cargo test -p codex-windows-sandbox`
- `cargo test -p codex-core windows_sandbox`
- `cargo test -p codex-core unix_escalation`
- `cargo test -p codex-app-server windows_sandbox`
- `cargo test -p codex-tui windows_sandbox`
- `cargo test -p codex-cli debug_sandbox`
- `just test -p codex-core unified_exec`
- `just test -p codex-core
build_exec_request_preserves_windows_workspace_roots`
- `env -u CODEX_NETWORK_PROXY_ACTIVE -u
CODEX_NETWORK_ALLOW_LOCAL_BINDING just test -p codex-app-server --lib
command_exec`
- `just test -p codex-windows-sandbox`
- `just test -p codex-exec sandbox`
- `just fix -p codex-core -p codex-app-server -p codex-windows-sandbox`
A local macOS cross-check with `cargo check --target
x86_64-pc-windows-msvc ...` did not reach crate Rust code because native
dependencies require Windows SDK headers (`windows.h` / `assert.h`) in
this environment; Windows CI remains the real target validation.
Two local targeted filters compile but do not run assertions on macOS:
`env -u CODEX_NETWORK_PROXY_ACTIVE -u CODEX_NETWORK_ALLOW_LOCAL_BINDING
just test -p codex-app-server --lib command_exec_processor` matched zero
tests, and `just test -p codex-linux-sandbox landlock` matched zero
tests because the landlock suite is Linux-only.
## Summary
Some permission profiles can encode filesystem reads that should remain
unavailable to the agent. Before this change, the model-visible context
and automatic approval review prompt summarized the effective
permissions as a legacy sandbox mode, which can omit permission-profile
filesystem entries from escalation decisions.
For example, a profile can grant workspace access while denying a
private subtree across every workspace root:
```toml
default_permissions = "restricted-workspace"
[permissions.restricted-workspace.workspace_roots]
"/Users/alice/project" = true
"/Users/alice/other-project" = true
[permissions.restricted-workspace.filesystem]
":minimal" = "read"
[permissions.restricted-workspace.filesystem.":workspace_roots"]
"." = "write"
"private" = "deny"
"private/**" = "deny"
```
The context window now describes the workspace roots and effective
filesystem side of the `PermissionProfile` directly, with deny entries
marked as non-escalatable:
```xml
<environment_context>
<cwd>/Users/alice/project</cwd>
<shell>zsh</shell>
<filesystem><workspace_roots><root>/Users/alice/project</root><root>/Users/alice/other-project</root></workspace_roots><permission_profile type="managed"><file_system type="restricted"><entry access="read"><special>:minimal</special></entry><entry access="write"><path>/Users/alice/project</path></entry><entry access="write"><path>/Users/alice/other-project</path></entry><entry access="deny" escalatable="false"><path>/Users/alice/project/private</path></entry><entry access="deny" escalatable="false"><path>/Users/alice/other-project/private</path></entry><entry access="deny" escalatable="false"><glob>/Users/alice/project/private/**</glob></entry><entry access="deny" escalatable="false"><glob>/Users/alice/other-project/private/**</glob></entry></file_system></permission_profile></filesystem>
</environment_context>
```
Managed requirements can impose the same kind of deny-read restriction:
```toml
[permissions.filesystem]
deny_read = [
"/Users/alice/project/private",
"/Users/alice/project/private/**",
]
```
The automatic approval review prompt also receives the parent turn's
denied-read context, so review decisions can account for the active
permission profile.
## What Changed
- Render the effective filesystem profile in `<environment_context>`,
including profile type, filesystem entries, workspace roots, and
non-escalatable deny entries.
- Persist effective `workspace_roots` in `TurnContextItem` so
resumed/replayed context does not have to bind `:workspace_roots`
through legacy `cwd` fallback.
- Add explicit permission instructions that denied reads are policy
restrictions, not escalation targets.
- Pass the parent turn's denied-read context into automatic approval
reviews.
- Add targeted coverage for prompt rendering, workspace-root
materialization, replay context, and review prompt context.
- Keep the prompt-context test expectations platform-aware so the same
filesystem rendering assertions pass on Unix and Windows paths.
## Testing
- `just test -p codex-core
context::environment_context::tests::serialize_environment_context_with_full_filesystem_profile`
- `just test -p codex-core
context::environment_context::tests::turn_context_item_filesystem_uses_workspace_roots_instead_of_cwd`
- `just test -p codex-core
context::permissions_instructions::permissions_instructions_tests::builds_permissions_from_profile_with_denied_reads`
- `just fix -p codex-core`
I also attempted `just test -p codex-core`; the changed prompt-context
tests passed, but the full local run did not complete cleanly in this
sandboxed macOS environment due unrelated user-shell `CODEX_SANDBOX*`
expectations and integration-test timeouts.
## Summary
Adds an optional `clientId` field to app-server v2 `UserInput` and
carries it through the core `UserInput` model so clients can correlate
echoed user input items without relying on payload equality.
## Details
- Adds `client_id: Option<String>` to core `UserInput` variants.
- Exposes the v2 app-server field as `clientId` on the wire and in
generated TypeScript.
- Preserves the id when converting between app-server v2 and core
protocol types.
- Regenerates app-server schema fixtures.
## Validation
- `just fmt`
- `just write-app-server-schema`
- `cargo test -p codex-app-server-protocol`
- `cargo test -p codex-protocol`
- `just fix -p codex-app-server-protocol`
- `just fix -p codex-protocol`
- `git diff --check`
## Why
When Guardian or the sandbox network proxy detects and denies a network
attempt, core cancels the associated execution through `ExecExpiration`.
The Windows sandbox capture path was only forwarding the timeout
component of that expiration state. As a result, a sandboxed Windows
command whose network attempt had already been denied could keep running
until its timeout elapsed rather than terminating promptly in response
to the denial.
This change closes that cancellation-propagation gap for Windows sandbox
execution.
## What changed
- Added `WindowsSandboxCancellationToken` as the cancellation hook
exposed to Windows capture backends.
- Extracted the cancellation token from `ExecExpiration` in core and
passed it to both the direct and elevated Windows sandbox capture paths
alongside the existing timeout.
- Updated direct capture to poll for either process exit, timeout, or
cancellation and to terminate cancelled processes without reporting them
as timed out.
- Updated elevated capture to watch for cancellation and send the
existing `Terminate` IPC frame to the elevated runner. The watcher parks
for 50 ms between checks to bound response latency without a tight busy
wait.
- Added Windows regression coverage for a long-running PowerShell
command: cancellation ends capture before its timeout and does not set
`timed_out`.
- Added a visible skip diagnostic when that PowerShell-dependent
regression test cannot execute, and consolidated the duplicated
expiration-policy branch identified in review.
## Security
This improves enforcement after a denied network attempt has been
attributed to a Windows sandboxed execution: the command no longer
remains alive simply because Windows capture lost the cancellation
signal.
This PR does not claim to make Windows offline mode an airtight
no-network or no-exfiltration boundary. It does not introduce
AppContainer or change how network denial is detected; it makes an
already-detected denial promptly stop the affected sandboxed command.
## Validation
### Commands run
- `just fmt`
- `cargo test -p codex-windows-sandbox`
- `cargo test -p codex-core network_denial`
- `cargo clippy -p codex-core -p codex-windows-sandbox --tests --no-deps
-- -D warnings`
- `just argument-comment-lint -p codex-windows-sandbox -p codex-core`
The new capture regression is `cfg(target_os = "windows")`, so Windows
CI is the execution coverage for that test path. The local macOS test
runs validate the host-runnable crate and core network-denial behavior.
---------
Co-authored-by: Codex <noreply@openai.com>
## Why
#23756 makes packaged Codex builds include and default to the bundled
zsh fork. The important reason to put that fork's directory at the front
of `PATH` is to keep executable-level escalation working after a command
leaves the original shell and later re-enters zsh through `env`.
The expected chain is:
1. The zsh fork runs the top-level shell command.
2. That command launches another program, such as `python3`, while
inheriting the `EXEC_WRAPPER` environment and the escalation socket fd.
3. That program spawns a shell script whose shebang is `#!/usr/bin/env
zsh` rather than `#!/bin/zsh`, and it does not close the escalation fd.
4. `/usr/bin/env` resolves `zsh` through `PATH`, so it must find the
packaged zsh fork before the system zsh.
5. Commands inside that nested script are intercepted by the zsh fork
and can still request escalation from Codex.
If `PATH` resolves `zsh` to the system shell instead, the nested script
loses zsh-fork exec interception. Commands that should request
escalation can then run only in the original sandbox, or fail there,
without Codex ever receiving the approval request.
Shell snapshots make this slightly more subtle: a snapshot can restore
an older `PATH` after the child shell starts. This PR treats the zsh
fork `PATH` prepend as an explicit environment override so snapshot
wrapping preserves it.
## What Changed
- Added shared zsh-fork runtime helpers that prepend the configured zsh
executable parent directory to `PATH` without duplicate entries.
- Applied the zsh fork `PATH` prepend to both zsh-fork `shell_command`
launches and unified-exec zsh-fork launches before sandbox command
construction.
- Kept the shell-command zsh-fork backend API narrow: it derives the
configured zsh path from session services and rebuilds its sandbox
environment from `req.env`, rather than accepting a second, competing
environment map or a separately threaded bin dir.
- Kept Unix-only zsh-fork `PATH` mutation out of Windows clippy-visible
mutability.
- Added coverage for duplicate `PATH` entries, for preserving the zsh
fork prepend through shell snapshot wrapping, and for the nested
`python3` -> `#!/usr/bin/env zsh` escalation flow.
## Testing
- `just fmt`
- `just fix -p codex-core`
I left final test validation to CI after the latest review-comment
cleanup. Before that cleanup, `just test -p codex-core zsh_fork` passed
locally for the zsh-fork-focused tests.
## Why
Add a standalone image generation path that can be exercised
independently of hosted Responses image generation, while retaining the
hosted tool as fallback unless the extension is actually available to
the model.
## What changed
- Added the `codex-image-generation-extension` crate with standalone
generate/edit execution, prior-image selection for edits, model-visible
image output, and local generated-image persistence.
- Installed the extension in app-server behind the disabled-by-default
`imagegenext` feature and backend eligibility checks.
- Updated core tool planning so eligible `image_gen.imagegen` exposure
replaces hosted `image_generation`, while unavailable configurations
retain hosted fallback.
- Added coverage for extension behavior, edit history reuse, feature
gating, auth eligibility, and hosted-tool replacement.
- The extension is installed through app-server only in this PR; other
execution paths retain hosted image generation because hosted
replacement occurs only when the standalone executor is actually
registered and model-visible.
- The initial extension contract intentionally fixes the image model to
`gpt-image-2` and uses automatic image parameters.
- Native generated-image history/card parity and rollout persistence
cleanup are intentionally deferred follow-up work.
## Validation
- `just test -p codex-image-generation-extension`
- `just test -p codex-features`
- `just test -p codex-core
hosted_tools_follow_provider_auth_model_and_config_gates`
- `just test -p codex-app-server`
- `just fix -p codex-image-generation-extension -p codex-features -p
codex-core -p codex-app-server`
- `just fmt`
- `just bazel-lock-update`
- `just bazel-lock-check`
---------
Co-authored-by: jif-oai <jif@openai.com>
## Why
#24744 introduced the thread idle lifecycle hook so idle continuation
can be owned by lifecycle contributors instead of hard-coded goal
runtime plumbing. Task completion still called
`goal_runtime_apply(GoalRuntimeEvent::MaybeContinueIfIdle)` directly, so
the post-turn idle transition remained goal-specific and did not notify
generic thread lifecycle contributors.
## What Changed
- Add `Session::emit_thread_idle_lifecycle_if_idle()` to gate idle
emission on both no active turn and no queued trigger-turn mailbox work.
- Call that helper when a task clears the active turn, replacing the
direct `GoalRuntimeEvent::MaybeContinueIfIdle` path.
- Cover the behavior with `codex-core` session tests for emitting after
task completion and suppressing idle emission while trigger-turn mailbox
work is pending.
## Verification
- New tests in `core/src/session/tests.rs` exercise the idle lifecycle
emission and trigger-turn mailbox guard.
## Why
PR #24813 added extension `TurnItemEmitter` coverage and introduced a
test that records a conversation history item before asserting
extension-emitted turn item events.
`record_conversation_items()` also emits a `RawResponseItem` event to
observers. The test was reading from the same event receiver and
expected the next event to be `ItemStarted`, so the test failed reliably
once the setup history item was present.
## What Changed
Update
`passes_turn_fields_and_scoped_turn_item_emitter_to_extension_call` to
consume and assert the expected setup `RawResponseItem` before checking
the extension `ItemStarted`, `WebSearchBegin`, `ItemCompleted`, and
`WebSearchEnd` events.
This is test-only and does not change extension runtime behavior.
## Verification
- `cargo nextest run --no-fail-fast -p codex-core
tools::handlers::extension_tools::tests::passes_turn_fields_and_scoped_turn_item_emitter_to_extension_call`
## Summary
- Let `close_agent` clean up an agent that is still registered in
`AgentRegistry` even when its underlying thread is already missing.
- Preserve the explicit-close boundary: for known stale thread-spawn
agents, mark the persisted spawn edge `Closed`, then treat
`ThreadNotFound` / `InternalAgentDied` as a successful close so the
registry slot can be released.
- Add a regression for MultiAgentV2 task-name targets where
`close_agent("worker")` succeeds after the worker thread has already
disappeared.
## Motivation
A worker can disappear from `ThreadManager` while its metadata still
exists in the root `AgentRegistry`. Before this change, the close tool
failed while trying to subscribe to the missing thread status, so it
never reached the cleanup path that releases the registered agent slot.
With `agents.max_threads = 1`, an explicit close of that stale task-name
agent could fail and leave the session unable to spawn a replacement.
## Scope
This PR intentionally does not add automatic stale-agent reaping to
`spawn_agent`, `resume_agent`, or `list_agents`. A thread being missing
from `ThreadManager` is not the same as an explicit close: persisted
open spawn edges are still the durable source of truth for resume and
task-name ownership until `close_agent` is called.
## Validation
- `just test -p codex-core -E
'test(multi_agent_v2_close_agent_reaps_stale_task_name_target) |
test(resume_agent_from_rollout_reopens_open_descendants_after_manager_shutdown)'`
- `just fix -p codex-core`
## Why
Extension-contributed tools need to emit visible turn items through
Codex's normal event and persistence pipeline.
## What
- Add `TurnItemEmitter` to extension `ToolCall`s and route the core
implementation through `Session::emit_turn_item_*`.
- Hold weak session and turn references so retained tool calls cannot
keep host state alive.
- Provide a no-op emitter for extension test callers.
## Test Plan
- `just test -p codex-core -E
'test(passes_turn_fields_and_scoped_turn_item_emitter_to_extension_call)'`
---------
Co-authored-by: jif-oai <jif@openai.com>
Summary
- Add TurnErrorInput and TurnLifecycleContributor::on_turn_error to the
extension API.
- Emit the turn-error lifecycle from core turn error paths, including
usage limit failures.
- Add direct lifecycle coverage for the emitted error facts and stores.
Tests
- just fmt
- git diff --check
- Not run: full tests or clippy (per instructions)
Summary: add session source and persistent-state availability to
ThreadStartInput; populate them from session init; update existing goal
test harness constructors. Tests: just fmt; git diff --check. No full
tests or clippy run per request.
## Why
Guardian reviews already emit analytics events, but we do not expose
aggregate OpenTelemetry metrics for review volume, latency, token usage,
or terminal outcomes. That makes it harder to monitor Guardian behavior
during rollouts and to compare review outcomes by source, action type,
session kind, model, and failure mode.
## What Changed
- Added Guardian review metric names for count, total duration, time to
first token, and token usage in `codex-rs/otel`.
- Added `core/src/guardian/metrics.rs` to convert
`GuardianReviewAnalyticsResult` into sanitized metric tags covering
decision, terminal status, failure reason, approval request source,
reviewed action, session kind, risk/outcome, model, reasoning effort,
and context/truncation state.
- Emitted the new metrics from `track_guardian_review` for each terminal
Guardian review result.
## Testing
- Added
`guardian_review_metrics_record_counts_durations_and_token_usage`, which
verifies the emitted count, duration, TTFT, token usage histograms, and
tag set through the in-memory metrics exporter.
## Summary
- Add the required `/*parent_thread_id*/` argument comment at the
Guardian review session test callsite flagged by CI.
## Validation
- `just fmt`
- Not run: clippy/tests, per request; CI will cover them.
Split from the Guardian prompt cache key change. This PR only updates
codex-rs/core/src/session/session.rs. Validation was not run per
request; this branch is expected to rely on the companion split PRs.
Split from the Guardian prompt cache key change. This PR only updates
codex-rs/core/src/guardian/tests.rs. Validation was not run per request;
this branch is expected to rely on the companion split PRs.
Split from the Guardian prompt cache key change. This PR only updates
codex-rs/core/src/guardian/review_session.rs. Validation was not run per
request; this branch is expected to rely on the companion split PRs.
Split from the Guardian prompt cache key change. This PR only updates
codex-rs/core/src/guardian/mod.rs. Validation was not run per request;
this branch is expected to rely on the companion split PRs.
Split from the Guardian prompt cache key change. This PR only updates
codex-rs/core/src/client.rs. Validation was not run per request; this
branch is expected to rely on the companion split PRs.
## Why
Config loading should not create or write-authorize the memories root
just because memory support exists. Memory startup is the code path that
actually materializes that tree.
## What
- Stop creating the memories root during Config load and remove it from
legacy workspace-write projections.
- Grant the memories root read access only when the memories feature and
use_memories are enabled.
- Create the memories root inside memories startup before seeding
extension instructions.
- Update config and startup tests around the ownership boundary.
## Tests
- just fmt
- just fix -p codex-core
- just fix -p codex-memories-write
- just test -p codex-core
memory_tool_makes_memories_root_readable_without_creating_or_widening_writes
workspace_write_includes_configured_writable_root_once_without_memories_root
permission_profile_override_keeps_memories_root_out_of_legacy_projection
permissions_profiles_allow_direct_write_roots_outside_workspace_root
default_permissions_profile_populates_runtime_sandbox_policy
- just test -p codex-memories-write memories_startup_creates_memory_root
Note: a broader just test -p codex-core run is not clean in this
sandbox; it hit missing test_stdio_server plus seatbelt, realtime, and
environment-sensitive failures. The changed config tests above pass.
## Why
Dynamic tools are defined at thread start and already stored in rollout
`SessionMeta`, which restores resumed and forked sessions. Persisting
the same tools through SQLite creates a second runtime persistence path
that is unnecessary prework for the explicit namespace refactor.
## What changed
- Restore missing thread-start dynamic tools directly from rollout
history, including when SQLite is enabled.
- Remove SQLite dynamic-tool reads, writes, backfill, and thread
metadata patch plumbing.
- Add SQLite-enabled resume integration coverage that verifies a
rollout-defined dynamic tool is still sent after resume.
## Compatibility
The existing `thread_dynamic_tools` table is intentionally not dropped
even though it's now unused. Older Codex binaries are allowed to open
databases migrated by newer binaries and still reference this table;
dropping it would break that mixed-version path. See
[here](https://github.com/openai/codex/blob/main/codex-rs/state/src/migrations.rs#L10-L11).
## Verification
- `just test -p codex-state -p codex-rollout -p codex-thread-store`
- `just test -p codex-core --test all
resume_restores_dynamic_tools_from_rollout_with_sqlite_enabled`
WIll make it easier to uprev when the new draft spec is supported.
Also updates reqwest where needed for compatibility but doesn't update
it everywhere since this is already a large diff.
The new version of rmcp handles certain kinds of authentication failures
differently, this patch includes support for identifying the failing scope
in a WWW-Authenticate header.
## Why
Interrupted `shell_command` calls can race with the outer tool-dispatch
cancellation path. When that happens, the runtime future may be dropped
before the spawned process gets a chance to run `SIGTERM` cleanup. For
bwrapd-backed Linux sandbox commands, that can leave synthetic
protected-path mount bookkeeping such as `.git/.codex` registrations
under `/tmp` behind after a TUI interruption.
The relevant cancellation points are the outer dispatch race in
[`core/src/tools/parallel.rs`](https://github.com/openai/codex/blob/bd184ba84703cc924921ed883f0cf17d3dba60ff/codex-rs/core/src/tools/parallel.rs#L91-L132)
and the process shutdown logic in
[`core/src/exec.rs`](https://github.com/openai/codex/blob/bd184ba84703cc924921ed883f0cf17d3dba60ff/codex-rs/core/src/exec.rs#L1367-L1393).
## What changed
- Keep `shell_command` dispatch alive long enough for the runtime to
finish cancellation cleanup instead of immediately returning the
synthetic aborted response.
- Fold shell-turn cancellation into the existing `ExecExpiration` path
in
[`core/src/tools/runtimes/shell.rs`](https://github.com/openai/codex/blob/bd184ba84703cc924921ed883f0cf17d3dba60ff/codex-rs/core/src/tools/runtimes/shell.rs#L267-L274),
so cancellation and timeout behavior stay centralized.
- On cancellation, send `SIGTERM` first, wait briefly for cleanup to
run, then hard-kill any remaining descendants in the original process
group.
- Treat `ESRCH` as an already-gone process-group cleanup case in
`codex-utils-pty`, which keeps best-effort teardown from surfacing a
stale-process race as an error.
## Verification
- `cargo test -p codex-core cancellation`
- Added regression coverage for:
- `shell_tool_cancellation_waits_for_runtime_cleanup`
- `process_exec_tool_call_cancellation_allows_sigterm_cleanup`
Client-side namespace tools are now supported by bedrock. Enable
`namespace_tools` for the Amazon Bedrock provider while continuing to
disable unsupported hosted tools such as image generation and web
search.
## Summary
- Add `request_kind` values for foreground turn, startup prewarm,
compaction, and detached memory model requests.
- Attach compaction dispatch metadata to local Responses, legacy
`/v1/responses/compact`, and remote v2 compact requests.
- Add the existing logical context-window identifier as `window_id` on
turn-owned model request metadata.
- Keep identity fields optional for detached memory requests, while
still emitting `request_kind="memory"` in non-git/no-sandbox workspaces.
## Root Cause
`x-codex-turn-metadata` has more than one producer. Foreground turns and
compaction requests own a real turn and should carry that turn identity.
Detached memory stage-one requests do not own a foreground turn, so
absent identity fields are valid rather than missing data. Startup
websocket prewarm is also a model request, but it has `generate=false`
and must not be counted as a foreground turn.
`thread_source` or session source identifies where a thread came from
(for example review, guardian, or another subagent). `request_kind`
identifies what the current outbound model request is doing (`turn`,
`prewarm`, `compaction`, or `memory`). A review or guardian thread can
issue either a normal turn request or a compaction request, so source
cannot replace request kind.
## Behavior / Impact
- Ordinary foreground requests send `request_kind="turn"`, their real
identity fields, and `window_id="<thread_id>:<window_generation>"`.
- Startup websocket warmup requests send `request_kind="prewarm"` so
they are not counted as foreground turns.
- Compaction requests send `request_kind="compaction"`, their real
owning turn identity, the existing `window_id`, and
`compaction.{trigger,reason,implementation,phase,strategy}`.
- Detached memory stage-one requests send `request_kind="memory"`
without `session_id`, `thread_id`, `turn_id`, or `window_id`; when no
workspace metadata exists, the kind-only header is still emitted.
- `session_id`, `thread_id`, `turn_id`, and `window_id` remain optional
in the header schema because detached memory requests do not own a
foreground turn or context window.
- `window_id` is not a new ID system: it is copied from the already-sent
`x-codex-window-id` / WS client metadata value at model-request dispatch
time.
- Existing `x-codex-window-id` HTTP/WS emission, value format,
generation advancement, resume behavior, and fork reset behavior are
unchanged.
- `request_kind`, `window_id`, and upstream turn-owned identity fields
remain schema-owned; input `responsesapi_client_metadata` cannot replace
their canonical values.
- No table, DAG, export, app-server API, or MCP `_meta` schema changes
are included.
A compaction attempt stopped by a pre-compact hook issues no model
request and therefore has no request header; its outcome remains in
analytics events. Status, error, duration, and token deltas also remain
analytics fields rather than request-header fields.
Future detached-memory attribution using a real initiating turn ID as
`trigger_turn_id` is intentionally not part of this PR.
## Sync With Main
- Final pushed head `716342e79` is rebased onto `origin/main@0d37db4b2`.
- The metadata conflict came from upstream `#24160`, which added
`forked_from_thread_id` on the same `turn_metadata` surface. Resolution
preserves that field and its protection from client metadata override
alongside this PR's request-kind, compaction, and window-id fields.
- While resolving the overlapping commits, I removed an accidental
recursive model-request overlay and a duplicate detached-memory header
builder before completing the rebase.
## Latency / User Experience Boundary
- Foreground turns perform no new filesystem, git, or network work. New
fields are inserted into metadata already serialized for outgoing
requests.
- Compaction issues the same model/HTTP requests with the same prompt,
model, service tier, and sampling settings; only metadata bytes change.
- Startup prewarm already sent metadata; it is now correctly classified
as `prewarm`.
- Non-git detached memory now sends a small kind-only metadata header
rather than no header.
- This client diff adds no user-visible latency mechanism beyond
negligible serialization and header bytes on already-existing requests.
## Validation
On conflict-resolved head `1d35c2cfb` based on `origin/main@487521733`:
- `just fmt` (passed)
- `just fix -p codex-core` (passed)
- `git diff --check origin/main...HEAD` (passed)
- `just test -p codex-core -E 'test(turn_metadata) |
test(websocket_first_turn_uses_startup_prewarm_and_create) |
test(responses_stream_includes_turn_metadata_header_for_git_workspace_e2e)
|
test(responses_websocket_forwards_turn_metadata_on_initial_and_incremental_create)
| test(remote_compact_v2_retries_failures_with_stream_retry_budget) |
test(window_id_advances_after_compact_persists_on_resume_and_resets_on_fork)'`
(`23 passed`; `bench-smoke` passed)
- `just test -p codex-app-server -E
'test(turn_start_forwards_client_metadata_to_responses_request_v2) |
test(turn_start_forwards_client_metadata_to_responses_websocket_request_body_v2)
| test(auto_compaction_remote_emits_started_and_completed_items)'` (`3
passed`; `bench-smoke` passed)
- `just test -p codex-memories-write` (`29 passed`; `bench-smoke`
passed)
## Summary
- Change last-`n` fork truncation to start at the first fork-turn
boundary instead of returning the full rollout when the fork history is
shorter than the requested window.
- Add coverage for the startup-prefix case in both rollout truncation
tests and agent control spawn behavior.
- Ensure bounded forked children still rebuild context after the cached
prefix is truncated.
## Testing
- Added unit coverage for truncation behavior when the parent history is
under the requested fork-turn limit.
- Added an agent control test covering bounded fork spawn behavior with
startup context present.
- Not run (not requested).
## Summary
Clear inherited legacy `notify` from Guardian review session config,
since we should not be passing auto review threads into `notify`
targets. Keeps legacy notify payload and hook runtime behavior unchanged
for normal user turns.
## Testing
- [x] add a Guardian config regression and dedicated Guardian
integration test so review sessions cannot inherit parent notify hooks
## Summary
- Bump the workspace Rust toolchain from `1.93.0` to `1.95.0` across
Cargo, Bazel, CI, release workflows, devcontainers, and the Codex
environment config.
- Refresh `MODULE.bazel.lock` so the Bazel Rust toolchain artifacts
match the new version.
- Leave purpose-specific toolchains unchanged, including the
`argument-comment-lint` nightly and the upstream `rusty_v8` `1.91.0`
build pin.
- Includes fixes for new lints from `just fix` and a few codex-authored
fixes for lints without a suggestion.
## Why
When a turn needs a follow-up request after tool output is recorded,
Codex can still appear stuck in `Thinking` before the next `/responses`
request is opened. The existing local trace showed the last completed
response and the absence of a new backend request, but it did not show
whether the stall was in tool-router preparation or later request setup.
Issue: N/A (internal incident investigation)
## What Changed
Added trace spans around the pre-stream tool-router handoff in
`core/src/session/turn.rs`, including the `built_tools` phase and the
MCP manager read lock.
Added per-server MCP tool-listing spans and trace breadcrumbs in
`codex-mcp/src/connection_manager.rs` with startup snapshot /
startup-complete state so a pending MCP client is visible in feedback
logs instead of looking like a silent hang.
## Verification
- `just fmt`
- `just test -p codex-mcp`
- `just test -p codex-core` (prior full rerun fails in this workspace on
unrelated integration tests: code-mode output length expectations, one
shell timeout formatting assertion, and shell snapshot timeouts; latest
review-fix rerun compiled and passed 1160 tests before I stopped the
abnormally slow unrelated suite)
## Why
`continuation_turn_id` was introduced to distinguish synthetic goal
continuation turns for the no-tool continuation suppression heuristic.
#20523 removed that heuristic, but left the marker behind. It is still
written and cleared without affecting any runtime decision.
## What Changed
- Remove `GoalRuntimeState::continuation_turn_id`.
- Remove the marker setter/clearer and their now-no-op start, finish,
and abort call sites.
## Testing
- Not run yet (deferred at request).
## Why
- Runtime analytics events report `thread_id`, which identifies the
individual thread emitting an event
- They don't report `session_id`, which identifies the shared session
for a root thread and its subagent threads
- Emitting both identifiers allows analytics to group related activity
## What Changed
- Adds `session_id` to relevant analytics events (thread_initalized,
turn, turn_steer, compaction, guardian_review)
- Tracks each thread's session ID in the analytics reducer so subsequent
thread scoped events emit the same value
- Carries the shared session ID through subagent initialization
## Verification
- `just test -p codex-analytics` validates event payloads and subagent
session grouping.
- Focused `codex-app-server` tests validate session IDs for thread,
turn, and steer events.
- Focused `codex-core` tests validate root and subagent session ID
propagation.
## Why
Older persisted rollouts can contain `input_image.detail` values of
`auto` or `low` from before `ImageDetail` was narrowed to
`high`/`original`. Current deserialization rejects those values, which
can make resume skip later compacted checkpoints and reconstruct an
oversized raw suffix before the next compaction attempt.
Confirmed Sentry reports fixed by this compatibility path:
- [CODEX-1H3F](https://openai.sentry.io/issues/7500642496/)
- [CODEX-1H6N](https://openai.sentry.io/issues/7501025347/)
- [CODEX-1JDP](https://openai.sentry.io/issues/7504549065/)
- [CODEX-1HW6](https://openai.sentry.io/issues/7503407986/)
## Background
[openai/codex#20693](https://github.com/openai/codex/pull/20693) added
image-detail plumbing for app-server `UserInput` so input images could
explicitly request `detail: original`. The Slack discussion behind that
PR was about ScreenSpot / bridge evals where user input images were
resized, while tool output images already had MCP/code-mode ways to
request image detail.
In review, the intended new API surface was narrowed to `high` and
`original`: default to `high`, allow `original` when callers need
unchanged image handling, and avoid encouraging new `auto` or `low`
usage. That policy still makes sense for newly emitted values.
The missing compatibility piece is persisted history. Older rollouts can
already contain `auto` and `low`, and resume reconstructs typed history
by deserializing those rollout records. Rejecting old values at that
boundary causes valid compacted checkpoints to be skipped. This PR
restores `auto` and `low` as real variants so old records deserialize
and round-trip without being rewritten as `high`, while product paths
can continue to default to `high` and avoid emitting `auto` for new
behavior.
## What changed
- Restored `ImageDetail::Auto` and `ImageDetail::Low` as first-class
protocol values.
- Preserved `auto`/`low` through rollout deserialization, MCP image
metadata, code-mode image output, and schema/type generation.
- Kept local image byte handling conservative: only `original` switches
to original-resolution loading; `auto`/`low`/`high` continue through the
resize-to-fit path while retaining their detail value.
- Added regression coverage for enum round-tripping and code-mode `low`
detail handling.
## Testing
- `just write-app-server-schema`
- `just test -p codex-protocol`
- `just test -p codex-tools`
- `just test -p codex-code-mode`
- `just test -p codex-app-server-protocol`
- `just test -p codex-core
suite::rmcp_client::stdio_image_responses_preserve_original_detail_metadata`
- `just test -p codex-core
suite::code_mode::code_mode_can_use_mcp_image_result_with_image_helper`
- Loaded broken rollouts on local fixed builds, and started/completed
new turns.
I also attempted `just test -p codex-core`; the local broad run did not
finish green: 2559 tests run, 2467 passed, 55 flaky, 91 failed, 1 timed
out. The failures were broad timeout/deadline failures across unrelated
areas; targeted changed-path core tests above passed.
## Why
The Windows sandbox runner still carried the old `SandboxPolicy`
compatibility path even though core now computes `PermissionProfile`.
That meant Windows command-runner execution could only see the legacy
projection, so profile-only filesystem rules such as deny globs were not
part of the runner input.
## What Changed
- Removed the Windows-local `SandboxPolicy` parser/export and deleted
`windows-sandbox-rs/src/policy.rs`.
- Changed restricted-token capture/session setup, elevated setup,
world-writable audit, read-root grant, and command-runner session APIs
to accept `PermissionProfile` plus the profile cwd.
- Bumped the elevated command-runner IPC protocol to version 2 because
`SpawnRequest` now carries `permission_profile` /
`permission_profile_cwd` instead of the legacy `policy_json_or_preset` /
`sandbox_policy_cwd` fields.
- Updated core exec, unified exec, debug-sandbox, TUI setup/grant flows,
and app-server setup to pass the actual effective `PermissionProfile`.
- Left regression coverage asserting the old IPC policy fields are
absent and the runner serializes tagged `PermissionProfile` JSON.
## Verification
- `cargo test -p codex-windows-sandbox`
- `cargo test -p codex-core windows_sandbox`
- `cargo test -p codex-app-server
request_processors::windows_sandbox_processor`
- `just fix -p codex-windows-sandbox -p codex-core -p codex-app-server
-p codex-cli -p codex-tui`
- `just fix -p codex-cli -p codex-tui`
- `just fix -p codex-windows-sandbox -p codex-tui`
- `rg "\\bSandboxPolicy\\b" codex-rs/windows-sandbox-rs` returned no
matches.
Note: `cargo test -p codex-cli` was attempted but did not reach crate
tests because local disk filled while compiling dependencies (`No space
left on device`). The targeted clippy pass compiled the affected CLI/TUI
surfaces afterward.
---
[//]: # (BEGIN SAPLING FOOTER)
Stack created with [Sapling](https://sapling-scm.com). Best reviewed
with [ReviewStack](https://reviewstack.dev/openai/codex/pull/23813).
* #24108
* __->__ #23813
## Why
When Codex calls responsesapi, we currently send `session_id`,
`thread_id`, and `turn_id` among other things as
`client_metadata["x-codex-turn-metadata"]`. This PR adds
`forked_from_thread_id` which helps explain the "lineage" of a forked
thread.
## What's changed
- Track the immediate history source copied into a forked thread through
thread/session creation, including subagent and review turn metadata
paths.
- Include `forked_from_thread_id` in Codex turn metadata while
preventing turn-scoped Responses API client metadata from overwriting
Codex-owned lineage fields.
- Add coverage for fork lineage in turn metadata and the app-server
Responses API request path.
## Summary
Adds experimental `additionalContext` support to `turn/start` and
`turn/steer` so clients can provide ephemeral external context, such as
browser or automation state, without turning that plumbing into a
visible user prompt or triggering user-prompt lifecycle behavior.
## API Shape
The parameter shape is:
```ts
additionalContext?: Record<string, {
value: string
kind: "untrusted" | "application"
}> | null
```
Example:
```json
{
"additionalContext": {
"browser_info": {
"value": "Active tab is CI failures.",
"kind": "untrusted"
},
"automation_info": {
"value": "CI rerun is in progress.",
"kind": "application"
}
}
}
```
The keys are opaque and caller-defined.
## Context Injection
When provided, accepted entries are inserted into model context as
hidden contextual message items, not as visible thread user-message
items.
`kind: "untrusted"` entries are inserted with role `user`:
```text
<external_${key}>${value}</external_${key}>
```
`kind: "application"` entries are inserted with role `developer`:
```text
<${key}>${value}</${key}>
```
Values are not escaped. Each value is truncated to 1k approximate tokens
before wrapping.
For `turn/start`, accepted additional context is inserted before normal
user input. For `turn/steer`, additional context is merged only when the
steer includes non-empty user input; context-only steers still reject as
empty input.
## Dedupe Strategy
`AdditionalContextStore` lives on session state and stores the latest
complete additional-context map.
Each `turn/start` or non-empty `turn/steer` treats its
`additionalContext` as the current complete set of values. Entries are
injected only when the key is new or the exact entry for that key
changed, including `value` or `kind`. After merging, the store is
replaced with the provided map, so omitted keys are removed from the
retained set and can be injected again later if reintroduced.
Omitting `additionalContext`, passing `null`, or passing an empty object
resets the store to empty and injects nothing.
## What Changed
- Threads experimental v2 `additionalContext` through app-server into
core turn start and steer handling.
- Adds separate contextual fragment types for untrusted user-role
context and application developer-role context.
- Uses pending response input items so additional context can be
combined with normal user input without treating it as prompt text.
- Adds integration coverage for start/steer flow, role routing,
dedupe/reset behavior, deletion/re-add behavior, hook-blocked input
behavior, empty context-only steer rejection, external-fragment marker
matching, and truncation.
## Summary
Add the extension-backed standalone `web.run` tool so Codex can call the
standalone search endpoint through the `codex-api` search client and
return its encrypted output to Responses.
- gate the new tool behind `standalone_web_search`
- install the extension in the app-server thread registry and hide
hosted `web_search` when standalone search is enabled for OpenAI
providers so the two paths stay mutually exclusive
- build search context from persisted history using a small tail
heuristic: previous user message, assistant text between the last two
user turns capped at about 1k tokens, and current user message
## Test Plan
- `cargo test -p codex-web-search-extension`
- `cargo test -p codex-api`
- `cargo test -p codex-core
hosted_tools_follow_provider_auth_model_and_config_gates`
## Summary
Generated memory rows and their stage-one/stage-two job state currently
live in `state_5.sqlite` alongside thread metadata. That makes memory
cleanup and regeneration share the main state schema even though those
rows are memory-pipeline data and can be rebuilt independently from the
durable thread records.
This PR moves the memory-owned tables into a dedicated
`memories_1.sqlite` runtime database while keeping thread metadata in
`state_5.sqlite`.
## Changes
- Adds a separate memories DB runtime, migrator, path helpers, telemetry
kind, and Bazel compile data for `state/memory_migrations`.
- Introduces `MemoryStore` behind `StateRuntime::memories()` and moves
memory table/job operations onto that store.
- Drops the old memory tables from the state DB and recreates their
schema in `state/memory_migrations/0001_memories.sql`.
- Updates memory startup, citation usage tracking, rollout pollution
handling, `debug clear-memories`, and app-server `memory/reset` to
operate through the memories DB.
- Preserves cross-DB behavior by hydrating thread metadata from the
state DB when selecting visible memory outputs and checking stage-one
staleness.
## Verification
- Added/updated `codex-state` tests for deleted-thread memory visibility
and already-polluted phase-two enqueue behavior.
- Updated `debug clear-memories`, app-server `memory/reset`, and
memories startup tests to seed and assert memory rows through
`memories_1.sqlite`.
## Why
`codex.task.compact` only distinguished `local` vs `remote`, which made
it hard to answer simple counter questions in Statsig. Manual `/compact`
and automatic compaction were collapsed together, and the legacy remote
path was also collapsed with `remote_compaction_v2`.
## What Changed
- route `codex.task.compact` through a shared helper in
`core/src/tasks/mod.rs`
- add a `manual=true|false` tag so manual and automatic compaction can
be counted separately
- split the remote tag into `remote` and `remote_v2`
- emit the metric from the inline auto-compaction path in
`core/src/session/turn.rs` as well as the manual `CompactTask` path in
`core/src/tasks/compact.rs`
- add focused unit coverage for the new tag shapes in
`core/src/tasks/mod_tests.rs`
## Verification
- added unit coverage in `core/src/tasks/mod_tests.rs` covering manual
`remote_v2` tags and automatic `local` tags
## Why
Users who opt into named permission profiles through
`default_permissions` or `[permissions.*]` should stay in named-profile
semantics when they open `/permissions`. The legacy picker rewrites
those users into anonymous preset state, which loses the active profile
identity and hides custom configured profiles.
## What changed
- Switch `/permissions` to a profile-aware picker when profile mode is
active.
- Show friendly built-in labels instead of raw `:` profile syntax.
- Include configured custom profiles and their descriptions in the
picker.
- Route selections through the split TUI profile-selection flow below
this PR.
- Add TUI snapshots and regression coverage for built-ins, custom
profiles, and conflicting legacy runtime overrides.
## Stack
1. [#22931](https://github.com/openai/codex/pull/22931):
runtime/session/network propagation for active permission profiles.
2. [#23708](https://github.com/openai/codex/pull/23708): TUI selection
plumbing and guardrail flow.
3. **This PR**: profile-aware `/permissions` menu and custom profile
display.
## UX impact
In profile mode, `/permissions` shows the same human-facing built-ins
users already know:
```text
Default
Auto-review
Full Access
Read Only
locked-down
web-enabled
```
Selecting `locked-down` keeps `active_permission_profile =
Some("locked-down")`; selecting a built-in keeps the friendly label
while switching to its named built-in profile.
## Screenshots
Live `$test-tui` smoke screenshots uploaded through GitHub attachments:
**Profile mode with built-ins and custom profiles**
<img width="832" alt="Profile mode permissions picker with custom
profiles"
src="https://github.com/user-attachments/assets/58b72431-418c-4839-9e39-575076db4c8f"
/>
**Legacy mode remains anonymous preset picker**
<img width="1232" alt="Legacy permissions picker"
src="https://github.com/user-attachments/assets/95f413ab-4cee-411c-9afb-92580a885c97"
/>
<img width="1296" height="906" alt="image"
src="https://github.com/user-attachments/assets/ea381a78-9904-4aa2-828f-b7f2e43f60f2"
/>
<img width="705" height="207" alt="Screenshot 2026-05-18 at 2 58 00 PM"
src="https://github.com/user-attachments/assets/2fa6dd71-0296-449e-a6de-a72d78a1cb70"
/>
## Validation
- `git diff --cached --check` before commit.
- Full test run skipped at the user request while pushing the split
stack.
## Why
The memories extension already has dedicated `list`, `read`, `search`,
and `add_ad_hoc_note` tools, but app-server registration was still
disabled. The memories app collaborator needs an explicit config switch
so those native extension tools can be exposed intentionally, without
making ordinary memory prompt usage automatically register the dedicated
tool surface.
## What changed
- Added `[memories].dedicated_tools`, defaulting to `false`, to
`MemoriesToml` / `MemoriesConfig`.
- Regenerated `core/config.schema.json` for the new setting.
- Registered the memories extension as a `ToolContributor`, while
keeping tool contribution gated on both memories being enabled and
`dedicated_tools = true`.
- Added tests for the disabled default, the enabled dedicated-tools
path, and installer registration.
## Verification
- `just test -p codex-config -p codex-memories-extension`
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