## What changed
- Add a top-level `allow_browser_and_computer_use` requirement.
- Support browser requirements for history access, automatic review, persistent approvals, and default or per-origin access policies.
- Support computer-use requirements for persistent approvals, default app access, macOS bundle IDs, Windows AUMIDs, and Windows executables.
- Preserve these settings and their sources when composing layered requirements.
## Testing
- Cover deserialization, empty-value detection, source propagation, and layered TOML merging for the new requirements.
GitOrigin-RevId: d14a10b64465f1c54e9bcc3795dc93031e6b029b
## What changed
- Add an extension API for spawning host-owned internal sessions and a
`ThreadReadyInput` lifecycle callback that runs after thread registration.
- Add Guardian reviewer session scaffolding that records the parent thread and
effective model, plus the under-development `guardian_ext` feature flag.
- Start internal sessions with fresh history while preserving parent lineage,
shared session controls, and internal-thread visibility rules.
- Scope internal-session prompt cache keys to their source and parent thread,
and expose `guardian` as an internal session source.
## Testing
- Cover internal-session spawning, parent metadata, history isolation, prompt
cache keys, and extension spawner argument forwarding.
GitOrigin-RevId: 682dae80397d62bb36247796b447042e760ca364
## Why
App-server logs can be persisted or included in submitted diagnostics, so credentials used by model providers, authentication refreshes, and attestation requests must not appear in diagnostic output.
## What changed
- Add `RedactedString`, which preserves serialization and string access while replacing debug output with `<redacted>`.
- Use it for model-provider bearer tokens, header and query values, authentication command arguments, and attestation tokens.
- Avoid logging JSON-RPC error payloads and parser or authentication errors that may echo credentials; retain safe context such as error codes and categories.
## Testing
- Add an app-server regression test that exercises provider credentials, refreshed authentication tokens, and attestation tokens, then verifies none appear in persisted SQLite or submitted diagnostic logs.
GitOrigin-RevId: 8c50408adf94d93847658b1320682cf3b637d2cc
## Why
`EnvironmentConfig.network_policy` could describe attachment-owned traffic
restrictions, but core rejected every configured policy because execution did
not enforce it.
## What changed
- Resolve each remote environment's network policy for the selected command
and apply it to the execution-scoped proxy.
- Compose owner rules with controller constraints and saved network decisions
while preserving inherited domain and Unix-socket denials.
- Keep strict allowlists non-expandable, allow reviewable policies to use
network approvals, and reject sandbox escalation that would bypass an owner
policy.
- Reject policies for local execution, disabled managed enforcement, or a
disabled controller proxy.
## Testing
Added coverage for policy composition, scoped remote proxy behavior, approval
and denial flows, offline execution, and unsupported environment authority.
GitOrigin-RevId: d9331f616df24de6cd13ed68196f0ff7b0ca4dd9
## Why
MultiAgent V2 workers can be reviewed after the root conversation has received
new user authorization that is absent from the worker's own transcript. Guardian
reviews need that genuine user context without treating forwarded or
assistant-authored claims as authorization.
## What changed
- Add the bounded root conversation to Guardian prompts for worker reviews.
- Preserve user and assistant roles, and explicitly treat only root user messages
as authorization evidence.
- Exclude summaries, review artifacts, and assistant commentary from the root
conversation evidence.
- Apply the same evidence to both core Guardian prompts and Guardian V2
classification.
## Testing
Add an integration test covering late root-user authorization, forged role text,
forwarded agent claims, and filtered synthetic authorization.
GitOrigin-RevId: 8846de69ba214a88f58f70675798d324e213427c
## Why
Executor-owned MCP configuration can include required servers that are unavailable. Guardian review sessions should not attempt to discover those servers or let them block an approval review.
## What changed
- Skip projecting MCP servers from selected executors when the session source is a Guardian reviewer.
- Preserve executor MCP discovery for regular thread sessions.
## Testing
Added an app-server integration test that configures an unreachable required executor MCP server and verifies that Guardian can still review an escalated command and return its decision.
GitOrigin-RevId: 5b712a3ee04e6896d5ca0cff39a32dd8e0fe0132
## What changed
- Add the under-development `shell_snapshot_v2` feature and advertise executor support through environment capabilities.
- Use executor-managed, in-memory snapshots for eligible direct `bash`, `zsh`, and `sh` login commands, while applying the configured shell environment policy and avoiding duplicate automatic startup-file effects.
- Keep file-backed snapshots available for user-shell commands and fall back to the existing execution path when in-memory snapshots are unsupported or inapplicable.
## Testing
- Cover policy filtering, snapshot reuse without snapshot files, automatic startup files, local and remote execution, and legacy user-shell snapshots.
GitOrigin-RevId: 4ad6cdf13824913ac8c393ba38b9844230677579
## What changed
- Preserve the `required` setting on HTTP MCP servers discovered from a selected executor.
- Cover delayed startup for a required executor MCP server and verify its tool is available on the first turn.
GitOrigin-RevId: df66e12233b8e1aaa7744e29c154157af8dc4776
## What changed
- Read `mcp_servers` configuration and requirements from each selected remote
executor and add eligible HTTP servers to the thread's MCP runtime.
- Bind discovered servers to the thread's concrete executor snapshot and apply
environment MCP policy and requirements. Discovery is best effort, and
executor-local servers are not treated as required at startup.
- Ignore unsupported stdio servers and HTTP configurations that depend on
environment-provided headers or header helpers.
## Testing
- Added an app-server integration test covering discovery, authenticated HTTP
tool invocation, requirements enforcement, and exclusion of stdio servers.
GitOrigin-RevId: 6e1cdcebdbb1cc21a5a2285fbc5617d8d5997182
## What changed
- Cap each `ExecCommandOutputDelta` frame at 8 KiB and stop building frames once the per-call delta quota is exhausted.
- Preserve complete UTF-8 scalars across producer chunks while passing malformed or incomplete trailing bytes through without losing them.
- Append all process output to the transcript independently of delta emission.
## Testing
- Cover split multibyte characters, malformed and trailing bytes, frame and event limits, transcript preservation, and interactive PTY output.
GitOrigin-RevId: ef4100e353df01569a8fbae650c70f439920a2fd
## Why
Clients that create and negotiate realtime calls themselves need Codex to join
those calls without creating another call or overwriting the client-owned
session configuration.
## What changed
- Add the `existingCall` transport to `thread/realtime/start`, accepting a
client-provided `callId` and optional `realtimeSessionId`.
- Attach Codex over the call's sideband WebSocket without SDP negotiation or a
session update, and reconnect that sideband while preserving transcript
state.
- Default existing calls to realtime v1, support v1 and v3, and reject v2 or
options that would reconfigure the client-owned session.
- Encode call IDs as a single URL path segment for v3 sideband connections.
## Testing
Add protocol, app-server, core, reconnection, authentication-header, and URL
encoding coverage for existing-call attachments.
GitOrigin-RevId: 2046b70566f98efa55381bb1e461ea3cc68256c5
## What changed
- Add `context_window_id` to turn metadata for sampling and compaction requests, using the UUID for the model-visible context window.
- Keep the ID stable for requests in the same context window and advance it after compaction, independently of the existing thread-generation `window_id`.
- Reserve `context_window_id` so client metadata cannot override it.
## Testing
- Cover HTTP and WebSocket metadata, remote compaction, token-budget context alignment, resume behavior, and post-compaction window changes.
GitOrigin-RevId: 55cceea377ad509c8dd96ad668f2b5703ea46a63
## What changed
- Skip project-scoped `AGENTS.md` discovery when the active project is untrusted, while preserving user-level instructions.
- Include the active project trust level in the instruction cache key so runtime trust changes reload the applicable instructions.
- Preserve updated project trust metadata during runtime configuration refreshes.
## Testing
Add coverage for initially untrusted projects and for switching between trusted and untrusted states at runtime.
GitOrigin-RevId: 284bf7693943f585013fb5fe4b6aa3309bc50cf3
## What changed
Rename the token-budget configuration key and its Rust field from
`use_history_notes_history` to `use_history_notes_extension`. Update the config
schema, extension gating, explicit-setting detection, and tests to use the new
name consistently.
GitOrigin-RevId: b6a514e23f02095fcd1d35dc42eeb7394b800c77
## Why
Token-budget sessions need a way to recover prior conversation context and preserve working state across context-window transitions.
## What changed
- Add direct-model `history` tools for listing windows and items, reading items, and searching conversation contents.
- Add direct-model `notes` tools for listing, reading, searching, appending, and writing persistent notes.
- Route tool calls through the configured Codex backend with trusted session and agent context, bounded request arguments, and truncation-aware output handling.
- Expose the extension when `features.token_budget.use_history_notes_history` is enabled with an OpenAI provider and Codex backend authentication.
## Testing
- Cover tool registration, configuration changes, provider and authentication requirements, backend request context, encrypted output preservation, and request and response limits.
GitOrigin-RevId: 43b259f01014ba3f30803dd7cd5634942407a9bb
## What changed
- Switch Amazon Bedrock remote compaction to `compaction_trigger` items sent through `/v1/responses`.
- Remove the legacy dedicated compaction protocol from provider capabilities.
- Default remote compaction to unsupported and explicitly enable it for OpenAI, Azure Responses, and Amazon Bedrock providers.
## Testing
- Cover manual and automatic Amazon Bedrock compaction requests and their compacted history.
- Verify remote-compaction capabilities for configured and Amazon Bedrock providers.
GitOrigin-RevId: cf9ba314595367518b37a85f334f0c105ce47e45
## Why
Applying session settings rebuilt and compared a legacy filesystem policy even
when the update could not trigger cwd-based policy rebinding.
## What changed
Compute the legacy projection only for cwd changes whose filesystem policy has
a rebindable project-root write entry. Preserve the existing equivalence check
before rederiving the policy.
GitOrigin-RevId: c428a5c54f1b5b1300be406cac374a6fd29bb9a8
## What changed
- Add `FileSystemSandboxPolicy::has_writable_roots_with_cwd` to detect an
effective writable root without constructing its read-only carveouts.
- Use the helper when classifying permission profiles and selecting patch
rejection reasons.
## Testing
- Verify the presence check matches the existing materialized-root result
across read-only, unrestricted, external, writable, denied, and unresolved
special-path policies.
GitOrigin-RevId: 17ee490aa3180e05732133203f68544d9de5268b
## What changed
- Treat standalone `function_call_output` items without a `call_id` as external context, including items injected into new and forked threads, and mark the thread memory mode polluted when `memories.disable_on_external_context` is enabled.
- Include these outputs in guardian transcripts with their namespaced tool name and a placeholder for non-text content.
- Allow image generation to reuse images from standalone and otherwise unpaired function or custom-tool outputs.
## Testing
- Cover injected thread items, external-context detection, guardian transcript rendering, and recent-image selection.
GitOrigin-RevId: ca4e8c16a4b731e1256a5956908d00f785b4feb1
## Why
External tool events may need to enter thread history without a preceding function call and therefore do not have a `call_id`.
## What changed
- Allow `function_call_output` items to omit `call_id` and carry optional `name` and `namespace` fields.
- Preserve named standalone outputs during history normalization and agent forks while retaining existing pairing behavior for outputs with a `call_id`.
- Accept, persist, and forward these outputs through `thread/inject_items`, and update the app-server schemas and documentation.
## Testing
- Cover paired and standalone JSON round trips, history normalization, agent forks, and injected thread history.
GitOrigin-RevId: a3258163a7dc93777c7c3023116fe204819bdbb0
## What changed
- Add `otel.tool_result.max_bytes`, defaulting to 2048 bytes, to control the
text included in `codex.tool_result` logs independently of model-visible
output limits.
- Apply truncation centrally when emitting telemetry, preserve UTF-8
boundaries, and report whether the logged output was truncated.
- Record typed tool names and namespaces, agent names, and process-local result
sequence numbers while keeping tool arguments and output out of trace events.
## Testing
- Cover configuration propagation, UTF-8-safe truncation, raw tool-output
logging, and log/trace event routing and fields.
GitOrigin-RevId: 89ca76e55f1a09b729e7770ce01f2e4d98f9a22d
## What changed
- Use `exec_command` and `write_stdin` as the shell tool surface.
- Treat legacy `default`, `local`, and `shell_command` model metadata as `unified_exec`.
- Remove obsolete shell-selection configuration and runtime paths while preserving the feature and policy gates for zsh fork execution.
GitOrigin-RevId: d743cbe598630d73052f1fecad680c4cde17977d
## What changed
- Add the hidden Daybreak Blue and Daybreak Red model definitions.
- Refresh model capabilities, instructions, plan availability, and service-tier metadata.
- Configure the auto-review model for Responses Lite and code-mode tools, and update Guardian request tests for the resulting `additional_tools` and developer-message layout.
## Testing
- Update Guardian request snapshots and assertions for initial and follow-up reviews.
- Verify MCP approval routing against the developer-message form of the Guardian prompt.
GitOrigin-RevId: 6680e9abebdcbc43224a81348591e26f8422f3ec
## What changed
- Add `suggestion_id` to plugin install elicitation metadata, using the same
value as the elicitation request ID and plugin-install analytics event.
- Leave connector install metadata unchanged by omitting the field.
## Testing
- Cover plugin and connector metadata serialization.
- Verify that remote plugin install metadata and analytics carry matching
suggestion IDs.
GitOrigin-RevId: 05dd1d210e2a82857094f09d27ecba79ee460b7e
## What changed
- Add experimental `mcpServer/event/stream/start` and `mcpServer/event/stream/stop` requests for hosted apps, plus `mcpServer/event/stream/notification` forwarding.
- Scope subscriptions to the owning app-server connection and subscribed thread, enforce unique IDs and a per-connection limit, and clean them up when the thread is unsubscribed or the connection closes.
- Wait for the MCP active notification before completing startup, retry streams that close immediately, and terminate them when authentication or hosted runtime ownership changes.
## Testing
- Add an app-server integration test covering activation, event forwarding, duplicate subscription rejection, and explicit cancellation.
GitOrigin-RevId: 8a6fc1615adfc5af7e67def3b824fa5909ab3e7b
## What changed
- Remove the legacy `shell_command` handler and runtime, leaving `exec_command`
and `write_stdin` as the shell execution tools.
- Treat legacy `shell_command` model metadata as `unified_exec`, and normalize
legacy user opt-outs so they do not disable command execution. Managed feature
requirements and `shell_tool` can still disable it.
- Preserve shell approvals, sandboxing, zsh-fork support, and output truncation
through the unified execution path.
## Testing
- Cover legacy configuration and model-metadata compatibility.
- Exercise unified shell execution, approvals, truncation, and `apply_patch`
serialization across the app-server and core test suites.
GitOrigin-RevId: 5c2fd6164fc3519cdae4944cb9db276b8467311c
## What changed
- Add the `shellSnapshotV2` executor capability and an optional shell snapshot request to `ExecParams`.
- Capture and restore Unix shell state and profile exports from an in-memory, attachment-scoped cache for `bash`, `zsh`, and `sh`.
- Apply environment policies, runtime `PATH` entries, sandbox context, and live managed-proxy settings when preparing restored commands.
- Bound snapshot size, capture time, scope length, and cache capacity, and fall back to the original command when capture fails.
## Testing
- Cover local, remote, TTY, sandboxed, and supported-shell execution, plus environment filtering, proxy handling, in-memory reuse, and capture failure fallback.
GitOrigin-RevId: 624f747972c249c88c6f10f42cf0af97b75b5541
## What changed
- Add `additional_developer_instructions` to managed requirements and expose it through `configRequirements/read` as `additionalDeveloperInstructions`, independently of ordinary developer instructions.
- Include the managed instructions in model context, emit explicit replacement or removal messages when requirements change, and preserve the current value across compaction, resume, and agent forks without duplication.
- Reject managed instructions whose rendered context exceeds 10,000 estimated tokens.
## Testing
- Cover requirements layering and API serialization, context updates and removal, size validation, repeated model requests, compaction and resume, rollout migration, and agent forks.
GitOrigin-RevId: bc0b70fb7988944c2f68176dff55f5ed61eb46c8
## What changed
- Add `resolve_permission_profile_selection` to select the effective profile using configured defaults, managed requirements, and allowlists.
- Return the merged configured and managed profile catalog without compiling platform-specific paths, leaving path interpretation to the executor.
## Testing
- Verify that a managed default overrides a configured default while preserving Windows-style paths.
- Verify that an allowlisted but undefined profile is rejected.
GitOrigin-RevId: 0172193d48f0346522f931d3b806054895d199c0
## What changed
- Make `ExecutorFileSystem::walk` a required backend operation instead of
providing a fallback built from directory reads and metadata requests.
- Implement bounded local walks on a blocking task with cancellation, symlink
cycle detection, deterministic ordering, error collection, and response-size
limits.
- Have remote filesystems use the server's walk operation directly.
## Testing
- Cover local and remote handling of invalid roots and limits, directory
symlinks, non-UTF-8 names, cancellation, sandbox contexts, and response
budgets.
GitOrigin-RevId: 7499bf05080c3f9965a5eb7ffd593de604d62c2a
## Why
Resumed threads can carry a persisted capability-root location that no longer
matches the location reported by the attached executor.
## What changed
- Refresh matching thread-owned capability roots from the live environment while
preserving persisted roots when the executor reports none.
- Use the same merge behavior for capability-root inspection and per-step MCP
resolution, without changing owner-configured root precedence.
## Testing
Extend the remote-environment resume test to cover both an executor-provided
replacement root and the persisted-root fallback.
GitOrigin-RevId: 0c66195b2406f431a2e156e00d5225a8d22d18b2
## What changed
- Add `rejection_instructions` and `timeout_instructions` to catalog-provided auto-review messages.
- Use the acting model's instructions for denied and timed-out reviews across tool approvals, shell escalation, and MCP elicitation responses.
- Fall back to the existing instructions only when a catalog value is absent, while preserving explicit empty-string overrides.
## Testing
- Cover catalog overrides, legacy fallbacks, empty values, and separation between acting-model and reviewer-model messages.
GitOrigin-RevId: c5b2c2dbdaefd45d1d658651dd1abaeb6d8c93da
## What changed
- Emit started and completed collaboration tool events for multi-agent v2
`spawn_agent` calls, including failed invocations.
- Record execution duration and successful child-agent configuration metadata
without including the spawn prompt.
- Deduplicate collaboration and subagent activity items by call ID when
calculating per-turn subagent tool counts.
## Testing
- Extend the app-server multi-agent v2 integration test to cover successful
and failed spawn telemetry, duration, prompt omission, and turn counts.
GitOrigin-RevId: c1c2fb9cc2a1a9b0f63ef68509ad36d11a92d1e5
## What changed
- Add `in_app_browser.allow_external_browser_settings_import` to managed requirements, preserving explicit Boolean values through layered composition while leaving an omitted value unset.
- Return the policy as `inAppBrowser.allowExternalBrowserSettingsImport` from `configRequirements/read` and include it in the generated protocol schemas.
- Keep the import policy independent from the in-app browser feature flag and agent Browser Use requirements.
## Testing
- Cover parsing, managed-layer precedence, invalid values, user and session override resistance, and app-server response serialization.
GitOrigin-RevId: efa2621d2b1cf503f1bee2505d9914cb4fb7221d
## What changed
- Accept borrowed byte slices when appending output chunks, avoiding clones before
forwarding those chunks to streaming consumers.
- Merge drained head-tail buffers by reusing their owned storage while preserving
the retained prefix, latest suffix, and omitted-byte count.
- Make unified exec output handles capacity-generic so bounded-output tests can
exercise repeated drains with small buffers.
## Testing
- Update head-tail buffer and process manager tests to cover chunk retention,
omission accounting, and repeated output drains with the new APIs.
GitOrigin-RevId: caa9813d3c9d9921cff28888263a212def381640
## What changed
Add named tracing spans for MCP dirty-state refreshes and time spent waiting
to acquire the refresh semaphore.
GitOrigin-RevId: 1dbb3572d2061581beb83b3de098d6ec91791104
## Why
An `apply_patch` path can be replaced with a symlink after verification, allowing an unsandboxed patch operation to reach a different file than the one that was approved.
## What changed
- Add `follow_symlinks` options to executor filesystem reads, writes, metadata lookups, directory creation, and removal, including the corresponding `followSymlinks` protocol fields.
- Implement no-follow filesystem operations on Unix and Windows that reject links in any path component and restrict file access to regular files.
- Run `apply_patch` with symlink traversal disabled when an otherwise-required sandbox is bypassed, while retaining the existing follow-symlink default for standalone callers.
## Testing
- Cover leaf and ancestor symlinks across patch add, update, delete, and move operations, including a path swap after verification.
- Exercise local and remote no-follow filesystem behavior, concurrent directory creation, special-file rejection, and Windows reparse points.
GitOrigin-RevId: 43fd479084891493ce13564fbd894b98f329c6dd
## What changed
- Allow the Guardian V2 approval monitor to handle reviews for models that require automatic review.
- Preserve full Guardian review when Guardian V2 is disabled by configuration or managed requirements.
- Cover required-model routing for low- and high-risk actions, plus both Guardian V2 disable paths.
GitOrigin-RevId: d1201cc3dbd7c4a07de633388b14f17ada9feb39
## Why
Project instructions must respect the selected environment's filesystem read
permissions. Tightening those permissions for a later turn must not allow
previously cached instructions to reach the model.
## What changed
- Apply each environment's filesystem sandbox while discovering and reading
`AGENTS.md` files.
- Fail thread or turn setup when sandboxing blocks a discovered instruction
file, while allowing a restricted project with no instructions to start.
- Clear cached instructions before refresh and include the Windows sandbox
level in the cache key.
- Ignore inaccessible ancestor marker probes so readable instructions in the
selected working directory can still load.
## Testing
Added coverage for restricted projects, denied instruction files, cache
invalidation after permissions tighten, and unreadable ancestor markers.
GitOrigin-RevId: 6ea1a27b9c873a6260e4f87d42ae1317a6a4ae4b
## What changed
Run both branches of the heuristically safe command policy test with the
Windows sandbox level set to `RestrictedToken`.
GitOrigin-RevId: ae5d754ec4a51d73a8e5f9d844f94a91f795fb72
## Why
Model provider configuration could override the residency header required by
`enforce_residency`, so provider-backed requests did not reliably honor the
managed setting.
## What changed
- Apply the managed residency header after building a provider, making it
authoritative for model requests and model discovery.
- Warn when a provider configures the residency header through
`http_headers` or `env_http_headers`, while preserving the original provider
configuration and unrelated headers.
- Cover HTTP and WebSocket requests, model discovery, and case-insensitive
header detection with targeted tests.
GitOrigin-RevId: 461ef8989d5bd06ffdea694aee4265e392e07590
## Why
Developer messages can contain both inherited agent policy and unrelated context. Full-history forks need to replace the parent policy without dropping the unrelated content that shares its message.
## What changed
- Filter fork-specific developer instructions by content item instead of excluding an entire developer message.
- Remove inherited multi-agent mode instructions before applying the child agent's current mode.
- Preserve unrelated content items and discard developer messages only when filtering leaves them empty.
## Testing
Extend agent-control and subagent notification tests to cover compound compacted messages, multi-agent mode instructions, and proactive-to-explicit mode transitions.
GitOrigin-RevId: 028834e237d8636c13b17a724574bc8eb09a55ba
## What changed
- Add `Config::resolve_permission_profile` to resolve named profiles from the
effective configuration and managed requirements.
- Make active-profile network proxy lookup public and re-export
`CodexThreadSettingsOverrides` from `codex-core-api`.
- Cover configured and managed profile inheritance, duplicate-name rejection,
and preservation of managed network settings.
GitOrigin-RevId: ffb5f54a932ef1a4b624677b5f051ecdcd1134b8
## What changed
- Remove `untrusted` from the CLI, configuration schema, and MCP tool interface. Explicit `approval_policy = "untrusted"` settings now fail with an actionable error.
- Remove the known-safe command allowlist. Projects marked untrusted now request approval for every command unless an explicit exec policy rule allows it.
- Keep command parsing conservative by treating in-place `sed` forms as mutating and ignoring unrecognized commands when recording memory usage.
## Testing
- Cover rejection of the retired configuration value and approval requests for commands in untrusted projects.
GitOrigin-RevId: d6bf425edddfffbb325eee6acf383434af5fd33b
## Why
The Linux sandbox represents missing protected metadata paths such as `.git`
with empty read-only directories. Repository and project discovery treated any
`.git` directory as a checkout root, so this synthetic directory could hide a
real parent repository and its trust configuration.
## What changed
- Treat a `.git` directory as repository metadata only when it contains
`HEAD`, while continuing to recognize file-based `.git` entries.
- Protect missing `.git` paths with the same read-only synthetic mounts as
other workspace metadata without disrupting parent-repository discovery.
- Canonicalize and read-only bind the synthetic-mount registry into the
sandbox, and make protected-path cleanup handle read-only directory trees.
## Testing
Added coverage for repository, project-root, trust, synthetic-mount, and
Landlock behavior, including nested incomplete `.git` directories and a
redirected `TMPDIR`.
GitOrigin-RevId: 0724c54d56531143bb28011e4ca414cd3b0212be
## What changed
- Add the opt-in `cwd_relative_turn_diffs` feature.
- When enabled, render turn diff paths relative to each selected environment's
working directory instead of the detected Git root.
- Preserve repository-root-relative paths when the feature is disabled.
## Testing
- Cover enabled and disabled behavior for nested working directories across
supported originators.
GitOrigin-RevId: 8b4908706a82b01f33ccd035b0945f9a29fce26f
## Why
A checkout could point its `.git` file at a trusted repository's worktree
directory without proving that the repository had registered that checkout.
This could cause project configuration from an unrelated checkout to be treated
as trusted.
## What changed
- Verify the linked worktree's `gitdir` backlink, `commondir`, registered
checkout, and main checkout ownership before resolving the main repository's
trust key.
- Reject missing, oversized, symlinked, mismatched, or swapped Git metadata.
- Preserve valid linked worktrees that use path aliases, separate Git
directories, or non-UTF-8 POSIX paths.
## Testing
Add resolver and config-loading coverage for forged worktrees, metadata races,
case-sensitive paths, moved worktrees, and host MCP startup from project config.
GitOrigin-RevId: 6052a7d10ad2d613436f20175c356abdef8c758e
## Why
Deriving permissions from the parent of an already-writable patch target can
unnecessarily grant write access outside the intended workspace.
## What changed
Skip targets already covered by the active filesystem sandbox policy before
deriving additional parent-directory permissions. Targets outside the writable
area continue to request the required parent access.
## Testing
Added unit and CLI regression coverage for workspace-directory targets,
already-writable parents, and symlink escapes outside the workspace.
GitOrigin-RevId: 187109ff0b56a1a399cb8a9981b7e822977025d5
## Why
A model-provided shell path should select the requested shell type without
allowing that path to determine which executable Codex runs.
## What changed
- Resolve model-provided shells through Codex's normal shell discovery and
fallback logic after detecting their type.
- Keep the configured packaged zsh executable when the zsh-fork feature is
enabled and the file exists.
- Update shell, unified exec, and network approval expectations to use the
resolved local executable and arguments.
GitOrigin-RevId: ebe6f7eec2cfd1c0548d5bf1a26b7a30dba02cc2
## What changed
- Register `send_user_message_async` as `DirectModelOnly` so supported models can call it directly without exposing it through code mode.
- Exercise the async message flow with a code-mode-only model configuration and verify that the tool remains directly visible.
GitOrigin-RevId: ce22d5f63471ce90ac55ae2f3d0048f6cda57e01
