## What changed
- Ignore Guardian warning notifications that report a successful automatic approval review, keeping approved reviews out of TUI history.
- Continue displaying all other Guardian warnings.
- Extend the approved-review history test to cover the notification path.
GitOrigin-RevId: 719e84bc5b20c0a5364d10f84be9c6ac96158719
## Why
Paste placeholders and deferred slash-command parsing can hide the meaning of an input until it is expanded or a session is configured. Draining such input as an ordinary message can accidentally treat pasted text beginning with `!` as a shell command or lose `/plan` behavior.
## What changed
- Track paste-expanded inputs that begin with `!` as literal model input through history, queue editing, retries, and startup queues.
- Defer `/plan` parsing when session or model state is unavailable, then submit it in plan mode with shell escapes disabled.
- Drain queued input only after session configuration, and keep later queued prompts pending when an initial prompt cannot be submitted.
- Suppress queue auto-send before applying a replayed thread session so input from the outgoing thread is not submitted during restoration.
## Testing
Add coverage for direct, recalled, edited, interrupted, rejected, startup-queued, and plan-mode paste flows, including placeholder collisions and rejected initial images.
GitOrigin-RevId: d482220d8df21754f166fea5b54e9945f622a978
## Why
Bedrock sessions that use the AWS SDK credential chain need a way to recover when credentials expire during a request.
## What changed
- Add `aws.auth_refresh` provider configuration with an `aws` command, arguments, and a configurable timeout.
- Run the command for refreshable Bedrock authentication failures, reload the SDK credentials, re-sign the request, and retry it.
- Share refresh state across matching provider configurations so concurrent failures invoke the command only once. Bearer tokens, command auth, and static environment credentials do not use this recovery path.
## Testing
- Add coverage for configuration validation, refreshable error classification, concurrent refresh sharing, and an end-to-end retry signed with refreshed credentials.
GitOrigin-RevId: 0302fe3aabdbc1097e7bd62a74d407ba38a3cc57
## What changed
- Resolve duplicate exact-name matches to the most recent session instead of rejecting the queue request as ambiguous.
- Include non-interactive and custom-source sessions in name-based queue lookups.
- Prefer state database matches before falling back to rollout scanning.
## Testing
- Cover queueing to non-interactive and custom-source sessions, including duplicate names and a state database match that avoids importing a legacy rollout.
GitOrigin-RevId: 5b019da0a950c9381d324a09a21c78a9d0ac2252
## Why
Approval and item IDs can collide across concurrent threads. Tracking pending app-server approvals by ID alone can therefore resolve, submit, or dismiss a request from the wrong thread.
## What changed
- Key command execution, file change, and permissions approvals by both thread ID and approval ID.
- Route approval responses through the originating thread and require the thread to match when processing resolution notifications or dismissing approval prompts.
- Canonicalize parseable thread IDs so equivalent UUID representations still match.
## Testing
- Cover colliding approval IDs across threads, mismatched resolution notifications, prompt dismissal, and response routing for primary and background threads.
GitOrigin-RevId: c2d899a1e4b6a6413c78a0595a5311f5fabb9815
## What changed
- Recognize `edu_plus` and `edu_pro` as distinct education workspace plans across authentication, backend rate-limit mapping, and app-server account schemas.
- Include both plans in cloud configuration eligibility and use the education usage-limit behavior.
- Display the plans as `Edu Plus` and `Edu Pro` in the TUI status view.
## Testing
- Cover parsing, workspace classification, account and rate-limit responses, cloud configuration eligibility, usage-limit messages, and TUI display names for the new variants.
GitOrigin-RevId: bf8add780ae03a3c6d10c4f4afa0da262c37928e
## What changed
- Add an optional `delivery` field to agent message events and app-server
`agentMessage` items, with `"async"` identifying a user-visible message sent
without ending the current turn.
- Preserve the marker through legacy event conversion, thread history
materialization, replay, and generated JSON and TypeScript schemas.
- Require delivery of async agent message completion notifications on the
in-process app-server transport.
## Testing
- Cover preservation of async delivery metadata in thread history.
- Cover delivery-required classification for async agent messages.
GitOrigin-RevId: f92ba25de1293ee271404badfdf0d117d6530329
## What changed
- Include legacy managed-file and MDM settings when resolving project root markers and project trust in both canonical and executor-local config loads.
- Preserve the existing managed-layer precedence in the final config stack and resolve managed relative paths against the same bases used by the final loader.
- Update explicit-untrusted warnings to describe the effective configuration and direct users to an administrator when the setting is managed.
## Testing
- Cover managed root markers, managed trust overrides, MDM precedence, app-server config reads, and the remote TUI warning.
GitOrigin-RevId: 9b5ddd54b4530f73589d6842a15cbab7e6d6bbb9
## What changed
- Show a description and the destination paths affected by each file-change approval.
- Include both source and target paths for moves, format cross-platform paths for display, and show `unavailable` when change details are missing.
- Recover file changes from buffered events and thread snapshots so live and replayed approvals retain their destination details.
## Testing
- Add coverage for active and replayed approvals, moved and cross-platform paths, and the missing-destination fallback.
GitOrigin-RevId: 24f90b313fd8643f90cbead1504c788b140d7fed
## Why
When the app server reports a misalignment policy violation, the TUI must stop the affected chat rather than allow more work to continue in it.
## What changed
- Finalize the active turn, clear queued and draft input, disable the composer, and reject further operations and interactive requests for the stopped chat.
- Interrupt an active side conversation when its parent reports the violation, and prevent queued turns, forks, approvals, or goal resumption from restarting work.
- Show a non-dismissible precaution view that directs users to start a new chat or resume another one, with agent command center navigation for remote sessions.
## Testing
Added coverage for stopped-chat behavior, parent/side-thread handling, blocked goal resumption, navigation actions, and narrow and remote-session rendering.
GitOrigin-RevId: 0268c46a19294a17765ea4099f389f15ffaaf030
## Why
Compaction can remove the tool-call events that associate an MCP app widget with
the tool, account, and URI needed to authorize later resource reads.
## What changed
- Store a bounded MCP resource-origin checkpoint with each compacted rollout.
- Restore the checkpoint when resuming a session so existing widgets remain
readable after compaction and restart.
- Discard saved origins when rollback rewrites history across the compaction
boundary, and reject oversized or invalid checkpoints during restoration.
## Testing
- Extend the app-server MCP resource-origin test to compact a paginated thread,
continue the conversation, and read the original widgets before and after a
restart.
- Verify rollback clears provenance that no longer matches retained history.
GitOrigin-RevId: 7f91c6202fe8d9be21c78dda42fa205937c44263
## What changed
- Add the experimental `autoApprovalReview/strictReviewRequired` app-server notification with the review's `threadId`, `turnId`, and `startedAtMs`.
- Emit it when Guardian v2 leaves an approval review in progress because the action risk is elevated or its score is stale.
- Export the notification through the Rust, TypeScript, and JSON schema surfaces and route it to the associated thread.
## Testing
- Cover strict-review reason tracking for elevated and stale risk scores.
- Verify that high-risk approval routing emits one notification whose identifiers and timestamp match the review-started event.
GitOrigin-RevId: e65352894520bfb756c75b2c95e2e149f9767bb2
## What changed
- Add `tui.keymap.global.open_agents`, defaulting to `alt-a`, to open the shared agents overview.
- Add an `agents` keymap context for search, new task, rename, stop, and grouping actions.
- Expose the new actions in the keymap picker and render dashboard hints from the resolved bindings.
- Preserve existing custom `alt-a` bindings by disabling the new default when it would conflict.
## Testing
- Cover remapping, reserved keys, conflicts, and compatibility with existing bindings.
- Verify that configured dashboard shortcuts act on the selected filtered task.
GitOrigin-RevId: 98c48a332e06cb96dbf0e59647ce7959d45b9988
## Why
Some managed filesystem permission profiles cannot be represented by the
legacy app-server sandbox policy without changing which paths are accessible.
## What changed
- Require legacy sandbox conversion to preserve the filesystem policy's
semantics, and reject unsupported profiles with an actionable error.
- Keep queued follow-up messages and safety-buffered retries intact when
permissions are rejected, resuming queued input only after a compatible
profile is selected.
- Cover compatible profiles, lossy restrictions and write roots, turn-start
handling, and safety-buffered retries with regression tests.
GitOrigin-RevId: 345cc2a839206b2b1997e8981feb59f91b6975cc
## What changed
- Add `codex agents` to open the shared agents overview without creating a new session.
- Start the local background app server automatically on Unix, or connect to a server supplied with `--remote`.
- Reject invocation-specific session overrides that cannot apply to shared sessions.
- When the overview is opened from an embedded session, offer to start the background server without moving or interrupting the current session.
## Testing
- Cover command-line parsing and rejection of incompatible overrides.
- Snapshot the embedded-session background-server prompt.
GitOrigin-RevId: 60845dfebc48d820dc4ff090626d30452127f062
## What changed
- Let users start tasks, open root sessions, rename tasks, and stop active work directly from the agents overview.
- Show details for the selected task on wide terminals and limit the overview to root sessions while still reflecting background activity.
- Preserve draft input and pending server requests when switching sessions so running roots and their subagents can continue in the background.
- Apply the selected project's working directory when dispatching from project grouping, including remote workspaces.
## Testing
- Expand overview rendering and interaction coverage for root filtering, dispatch, search, selection, renaming, and responsive input.
- Cover switching away from roots with running subagents and retaining background server requests.
GitOrigin-RevId: b7b0d33b7ecc077498efb756a0ad2fd425158b17
## What changed
- Pass the screen size already available to TUI draw and history-tail paths into history insertion.
- Use the terminal's cached screen size for direct history insertion calls instead of querying the backend again.
- Extend the terminal size-query regression test to cover history insertion.
GitOrigin-RevId: 44c7a0f0bc5bc365d8d0c72d7e26587ed17a4821
## What changed
- Add `/agents` to open a full-screen dashboard of loaded root sessions from the shared app server, with subagent status reflected in each root session.
- Support search, navigation, and grouping sessions by project or status.
- Refresh the dashboard when relevant thread notifications arrive, while preserving its selection and view preferences.
- Show a clear message when the dashboard is unavailable with the embedded app server.
## Testing
- Add coverage for dashboard rendering, status grouping, persisted view state, and restoring the conversation viewport after closing the dashboard.
- Cover `/agents` command discovery and dispatch from parent-owned threads.
GitOrigin-RevId: 6651f4c47358116e1809da3ac8844a5842026a95
## What changed
- Add `codex queue --thread <THREAD> --message <TEXT>` to submit a text message through the `thread/queue/add` app-server API.
- Resolve active sessions by UUID or exact name across interactive, exec, and custom sources, and reject ambiguous names.
- Support local and explicit remote app servers while reporting incompatible servers and configuration overrides instead of silently changing the target.
- Reject empty messages and image attachments.
## Testing
- Add CLI coverage for remote submission, validation, unsupported servers, and local-daemon routing.
- Add session lookup and queue tests for stale, non-interactive, custom, and duplicate session names.
GitOrigin-RevId: 44c233f752b63a85c85b92fa6da303336e4ddeca
## What changed
- Use `/subagents` consistently for the subagent picker and status UI, removing the `/agent` alias.
- Rejoin already-loaded subagent threads without overriding their existing settings.
- Route notifications and approval requests only to the active thread or its known subagents, discard unrelated startup events, and avoid replaying resolved approvals.
## Testing
- Add coverage for filtering buffered startup events, dropping resolved approvals, preserving owned subagent approvals, and resuming threads without setting overrides.
GitOrigin-RevId: b4e597f7cd4756faccf31d8b964e7a172f5ab0eb
## Why
Filesystem permission paths can use a convention that differs from the host
running Codex. Converting them immediately to native absolute paths can change
the meaning of ambiguous paths such as `/C:/secret` or Windows UNC paths.
## What changed
- Store literal filesystem permission paths as `PathUri` values through the
runtime policy and execution protocol.
- Keep legacy string-based serialization at explicit protocol boundaries and
reject conversions that cannot be represented losslessly.
- Encode native paths as opaque URIs when a normal file URI would imply the
wrong path convention.
## Testing
Added coverage for cross-platform and ambiguous path round trips, UNC path
variants, permission-profile serialization, and deny-policy enforcement.
GitOrigin-RevId: 5247713796d1f2bb4e02f94eb9fc82d4698060f0
## What changed
- Query the remote app server for project config layers before starting a thread and show the trust prompt when the project has no existing decision.
- Resolve relative remote working directories and repository-root trust targets, then persist accepted trust through `config/batchWrite` on the remote server.
- Preserve existing trusted and untrusted decisions, including an untrusted repository that contains the requested working directory.
- Exit when the remote trust prompt is declined and ignore repeated key events in the trust selector.
## Testing
- Add coverage for remote trust detection, persistence, thread startup, existing decisions, nested untrusted projects, and rendering a remote Git subdirectory.
GitOrigin-RevId: e5fba2ea23bad1fb28f01df522cadbe05fcbb942
## Why
The per-thread replay buffer limited its event count, but streamed agent-message
deltas could still retain an unbounded amount of text while a thread was
inactive.
## What changed
- Coalesce adjacent deltas for the same thread, turn, and item into chunks of up
to 4 KiB.
- Limit buffered agent-message deltas to 256 KiB, discard a single delta larger
than that limit, and evict the oldest events when either buffer limit is
exceeded.
- Keep pending input and approval state in sync when eviction removes the
corresponding request, including clearing side-thread status indicators.
## Testing
Added coverage for delta coalescing, byte-based eviction, oversized deltas,
replaying only retained text, and side-thread status updates after eviction.
GitOrigin-RevId: 88d85353a124467d467822d2fd9854312b68d547
## Why
In-process app-server filesystem requests use typed protocol requests and do
not need JSON-RPC parameters.
## What changed
Pass remote filesystem parameters to `request_fs_path` as closures and
evaluate them only when the session uses a remote request handle.
GitOrigin-RevId: 623c8733542553d73e2c0e4c4a60d40258bc91c1
## Why
The custom TUI buffer diff emitted `ClearToEnd` for unchanged trailing blank
regions, producing unnecessary terminal output.
## What changed
- Clear a row tail only when its cached contents changed or a wide glyph overlaps
the clear boundary.
- Keep blank cells marked `AlwaysUpdate` in the drawable region so viewport
invalidation still forces them to repaint.
- Preserve Ratatui's native cell diff behavior for the remaining updates.
## Testing
Add coverage for unchanged row tails, forced blank-cell updates, and shrinking
wide graphemes, including half-width katakana with combining marks.
GitOrigin-RevId: a9cac06f5624032a2b8c80a66c651cf3e85ec7fb
## What changed
- Skip hyperlink layout for wrapped rows above the scroll offset and stop once
processing reaches the bottom of the viewport.
- Resolve each rendered link destination once while marking its visible cells.
- Add coverage for hyperlinks that span visible wrapped rows after scrolling.
GitOrigin-RevId: c1506d47fa3f1b895966dc2cde7d5b859c201792
## What changed
- Stop treating Vim normal-mode history-up as an alias for editing the latest queued message.
- Continue to edit queued messages through the configured `chat.edit_queued_message` binding.
GitOrigin-RevId: d830e0976a38725e948d420c1a5f374bb13fe945
## Why
Scrolling the transcript pager previously rendered a scratch buffer containing
all rows through the visible viewport, including hidden content above it. This
made rendering work and buffer size grow with the scroll offset.
## What changed
- Add viewport-aware rendering for committed transcript cells and the live tail.
- Forward scrolled rendering through cached and inset renderables while keeping
the full-height fallback for renderables that do not support it.
- Keep hyperlink metadata aligned with scrolled text.
## Testing
Add coverage comparing viewport-aware output with the full-height fallback
across wrapping widths, offsets, insets, styles, hyperlinks, and live tails.
GitOrigin-RevId: 630c30c4a61969a50f2b34701ca1dd87788a4298
## Why
The streaming TUI rerendered the entire mutable Markdown block whenever a
newline-bearing delta arrived. For long fenced code blocks, this repeatedly
parsed and syntax-highlighted the growing fence.
## What changed
- Detect open, top-level, language-tagged code fences and append newly
completed lines directly to the existing render.
- Preserve Syntect parser state across appended lines so multiline syntax and
the active theme remain consistent.
- Fall back to the canonical Markdown renderer for ambiguous fence syntax,
theme changes, incomplete lines, and highlighting limit transitions.
## Testing
Added coverage that compares streamed output with full renders across syntax
styles, Unicode, links, blank lines, fence variants, theme changes, and
highlighting limits. A long-fence test also verifies that the rendered prefix
is retained as new lines arrive.
GitOrigin-RevId: 036db2b7bc93607083b8001f8b4fa3cbb58c713e
## Why
Recording a late frame's requested deadline as its emission time can leave the
rate limiter with a stale timestamp, allowing the next frame to be emitted
immediately in a redraw burst.
## What changed
Record the current time when the frame scheduler sends a draw notification so
the 120 FPS limit is measured from the actual emission.
## Testing
Add a paused-time regression test that submits an overdue draw and verifies the
next frame waits for `MIN_FRAME_INTERVAL`.
GitOrigin-RevId: 8c9a5ac0bf858b2ad87838f6d7c67c9470fdfc61
## Why
The app directory is a discovery catalog and can include apps that are not
callable in the active thread. Using it for `$` suggestions can therefore
offer mentions that cannot be used.
## What changed
- Load mention candidates from `app/installed`, enrich callable apps through
bounded `app/read` batches, and retain compatibility with app servers that
do not support `app/installed`.
- Keep the mention catalog separate from the `/apps` directory cache and scope
results to the current thread, workspace, and account.
- Refresh mentions after app notifications, enablement changes, configuration
updates, and apps MCP readiness, while immediately removing disabled apps.
## Testing
Add coverage for batching and fallback behavior, stale scoped results,
notification refreshes, enablement changes, MCP startup races, and filtering
non-callable apps from mentions.
GitOrigin-RevId: 4d9e20794aed30cc97120170792fb555b86fe1e7
## Why
The app server sends sub-agent activity in both item-started and item-completed
notifications, causing the TUI to add the same activity to history twice.
## What changed
Render live sub-agent activity when the item completes instead of also rendering
it when the item starts. Preserve the existing replay behavior.
## Testing
Add a regression test that sends matching started and completed notifications
and verifies that the activity produces one history cell.
GitOrigin-RevId: 76a66f3657fe297f37067ed672ab9642997b4499
## What changed
- Add `cli_auth_credentials_store` and `chatgpt_base_url` as exact managed requirements loaded from local requirements configuration.
- Apply these requirements to runtime and bootstrap authentication configuration, overriding user-configured values.
- Expose the managed values through `configRequirements/read` and reject attempts to change them through config write APIs.
- Ignore these local-only authentication requirements in cloud-managed requirement layers.
## Testing
- Cover requirement loading and composition, runtime and bootstrap overrides, app-server responses, and read-only config writes.
GitOrigin-RevId: 8ea9c096386072036ca5441f3d48af8707988a65
## Why
Building a resume-picker preview for a legacy session should not require loading its full thread history.
## What changed
- Read up to six preview lines by scanning at most 1 MiB from the end of a local legacy rollout.
- Fall back to the existing history hydration path when the local file is unavailable, the bounded scan is incomplete, or the tail contains a rollback.
- Keep the initial `thread/read` request turn-free while loading the preview.
## Testing
Added coverage for compaction, rollbacks, oversized records, exhausted scan budgets, and app-server request parameters.
GitOrigin-RevId: a8950f03d8b56323f268fd3355c6a38a16cb9833
## Why
Direct access to shimmer primitives can bypass the reduced-motion handling
introduced in https://github.com/openai/codex/pull/20564.
## What changed
- Make `shimmer` a private child of `motion` and restrict `shimmer_spans` to
its parent module, so Rust visibility enforces the animation boundary.
- Remove the source-scanning regression test that previously checked this
boundary with regular expressions.
GitOrigin-RevId: 1f4cccacaa907992c636cd1e9cd2829b7653f811
## What changed
- Reuse shared directory fixtures and local and remote app-server instances across the resume cwd case matrix.
- Seed the runtime working-directory override directly so each case focuses on resume behavior without starting and replacing an extra thread.
- Run the test on a four-thread Tokio runtime and shut down each shared server after all cases complete.
GitOrigin-RevId: 4bc4978abc546882f26bcb5e3591ff9673758b4a
## Why
Pet tests reuse the same blank WebP spritesheet fixture, so encoding a new image
for every temporary path does unnecessary repeated work.
## What changed
Encode the test spritesheet once with `LazyLock`, then write the cached WebP bytes
to each requested fixture path.
GitOrigin-RevId: 26d75bb1bac448717ca63aeb82eb4e500c86fad8
## Why
The 1,000-character human-like typing test waited on the wall clock after
every keypress, making the test unnecessarily slow.
## What changed
Advance an injected timestamp by the recommended paste flush delay and flush
the paste-burst detector explicitly after each character. This preserves the
coverage that slow typing appears directly without creating a paste
placeholder, without sleeping between keypresses.
GitOrigin-RevId: 0c1beb40283f7d73a381cd221725ab4227c8e233
## What changed
Construct the oversized unified diff fixture directly instead of generating it
from two large input strings. Keep the fixture just above
`MAX_HIGHLIGHT_LINES` so the test continues to verify that syntax highlighting
is skipped for large updates.
GitOrigin-RevId: 8f8853e03a50ff9f53e77b2ba0956cf85ee17c07
## Why
MCP tool results can contain multi-megabyte image, audio, or resource bodies,
even though TUI history renders only summaries for those content types.
## What changed
- Project completed MCP results into width-independent display data, dropping
media and resource bodies that history does not render.
- Preserve text output, JSON fallbacks, error state, Node REPL rendering, and
the fully decoded image-output marker.
- Add tests covering width-dependent rendering, image validation, and Node REPL
text fields on non-text and unknown content blocks.
GitOrigin-RevId: 2cfddf0864093e6837a4431e541f7a9cab544a68
## Why
Keeping overflowing separators with the following word can add whitespace-only
rows and make composer wrapping differ from the queued-input preview.
## What changed
- Hang breakable whitespace from the preceding visual row at soft word breaks
while preserving the underlying editable text.
- Keep indentation, trailing whitespace, mandatory breaks, and nonbreaking spaces
visible and editable according to their existing semantics.
- Align cursor placement, scrolling, vertical navigation, masked rendering, and
styled overlays with the visible wrapped content, including after resizes.
## Testing
Add focused wrapping, rendering, cursor, editing, scrolling, navigation, Unicode
separator, long whitespace-run, and resize coverage.
GitOrigin-RevId: 7fbdb0a4bf33cfee20c4c19dca5aee74df4f892c
## Why
Windows named pipe servers can impersonate connected clients. IDE context
connections only require the server to identify the client, so they should not
grant broader impersonation rights.
## What changed
Open Windows IDE context pipes with `SECURITY_SQOS_PRESENT` and
`SECURITY_IDENTIFICATION`, limiting the server's impersonation token to the
identification level.
## Testing
Add a Windows regression test that connects to a named pipe, asks the server to
impersonate the client, and verifies that the resulting token has the
`SecurityIdentification` level.
GitOrigin-RevId: 51ef080f3367857987e03b0113a476040ea40e56
## What changed
- Group consecutive successful agent and unified-exec startup commands into a compact `Ran N commands` entry while preserving their full transcript.
- Flush command groups at interaction boundaries, after failures, and after 32 completed commands. Keep manual shell commands and failed or declined commands visible.
- Apply the same grouping rules when replaying thread history without duplicating command starts or disturbing unrelated active commands.
## Testing
- Add TUI coverage for live and replayed grouping, transcript preservation, failures, overlapping commands, group limits, and interaction boundaries.
GitOrigin-RevId: d6602a20201644012fcff3d6cecf4690024383a9
## What changed
Stop visiting remaining `ColumnRenderable` children once the render position
reaches the bottom of the available area.
GitOrigin-RevId: 5b7f2c657f65879119b1b840e82f47b1c5f9e3db
## What changed
- When the composer is empty in Vim normal mode, make the configured history-up binding restore the latest queued follow-up for editing.
- Remove the restored message from the queue so submitting the edited version replaces it instead of creating a duplicate.
- Preserve normal history navigation when the composer has text or a popup is active, and honor remapped Vim bindings.
## Testing
- Add TUI tests covering repeated edit-and-requeue cycles and a remapped history-up binding.
GitOrigin-RevId: 0b04dd964d3fc6fdcd10712aa4d5fd81cbbd2255
## What changed
- Add `/cd [path]` for changing an idle local session's working directory while preserving conversation history. Relative paths resolve from the current directory, and omitting the path selects `~`.
- Reload project configuration, instructions, permissions, keybindings, file search, and hooks for the destination before replacing the active session.
- Reject unsafe transitions, including active or queued work, background terminals, remote environments, untrusted destinations, and incompatible permission profiles.
- Add `/pwd` and its `/cwd` alias to display the current working directory, and discard asynchronous results left over from the previous directory.
## Testing
- Cover command parsing, aliases, default paths, session eligibility, transition failures, history preservation, destination policy loading, hooks, and stale events.
GitOrigin-RevId: 1a987c029f157a087ba02c0f26e022260409132b
## What changed
- Store the editor portion of `RuntimeKeymap` in an `Arc` so the chat composer
and its embedded textarea use the same keymap snapshot.
- Initialize the textarea from the composer's default runtime keymap and keep
custom binding updates shared between both components.
- Use copy-on-write when tests and binding resolution need to mutate editor
bindings.
## Testing
- Verify that applying custom editor bindings shares the same keymap allocation
with the composer and textarea.
GitOrigin-RevId: 7f3b0afd6cc784e23deee8819e5c2c37a3709c68
## Why
External editor buffers can contain the current composer text and should not be
placed in directories exposed as writable by a restricted filesystem policy.
## What changed
- Create editor buffer files under a protected `editor` directory, trying the
configured Codex home, the default Codex home, and a workspace fallback.
- Reject candidates that overlap writable roots or resolve through symbolic
links, while preserving external editor support for full-disk-write policies.
- Surface an editor error when no protected directory is available.
## Testing
Add coverage for writable roots, aliases, symbolic links, fallback selection,
temporary-directory grants, full-disk-write policies, and editor invocation.
GitOrigin-RevId: df1029d81b327678991ab84ffd1077f0e5855631
Encode each character into a stack buffer before appending it to the
decorated span, avoiding a temporary `String` allocation for every character.
GitOrigin-RevId: 72ec1ad5363391dffee089f04073d827d8c459bf