- Update token usage aggregation to refresh model context window after a
model change.
- Add protocol/core tests, including an e2e model-switch test that
validates switching to a smaller model updates telemetry.
- Clamp auto-compaction to the minimum of configured limit and 90% of
context window
- Add an e2e compact test for clamped behavior
- Update remote compact tests to account for earlier auto-compaction in
setup turns
- Run pre-sampling compact through a single helper that builds
previous-model turn context and compacts before the follow-up request
when switching to a smaller context window.
- Keep compaction events on the parent turn id and add compact suite
coverage for switch-in-session and resume+switch flows.
- Make `ContextManager::for_prompt` modality-aware and strip input_image
content when the active model is text-only.
- Added a test for multi-model -> text-only model switch
- Replace image blocks in MCP tool results with a text placeholder when
the active model does not accept image input.
- Add an e2e rmcp test to verify sanitized tool output is what gets sent
back to the model.
- Keep `view_image` in the advertised tool list for all models.
- Return a clear error when the current model does not support image
inputs, and cover it with a unit test.
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Match model metadata by longest matching remote slug prefix before local
fallback.
- Update `get_model_info` to prefer the most specific remote slug prefix
for the requested model.
- Add an integration test to assert `gpt-5.3-codex-test` resolves to
`gpt-5.3-codex` over `gpt-5.3`.
Promotes the Steer feature from Experimental to Stable and enables it by
default.
## What is Steer mode?
Steer mode changes how message submission works in the TUI:
- **With Steer enabled (new default)**:
- `Enter` submits messages immediately, even when a task is running
- `Tab` queues messages when a task is running (allows building up a
queue)
- **With Steer disabled (old behavior)**:
- `Enter` queues messages when a task is running
- This preserves the previous "queue while a task is running" behavior
## How Steer vs Queue work
The key difference is in the submission behavior:
1. **Steer mode** (`steer_enabled = true`):
- Enter → `InputResult::Submitted` → sends immediately via
`submit_user_message()`
- Tab → `InputResult::Queued` → queues via `queue_user_message()` if a
task is running
- This gives users direct control: Enter for immediate submission, Tab
for queuing
2. **Queue mode** (`steer_enabled = false`, previous default):
- Enter → `InputResult::Queued` → always queues when a task is running
- Tab → `InputResult::Queued` → queues when a task is running
- This preserves the original behavior where Enter respects the running
task queue
## Implementation details
The behavior is controlled in
`ChatComposer::handle_key_event_without_popup()`:
- When `steer_enabled` is true, Enter calls `handle_submission(false)`
(submit immediately)
- When `steer_enabled` is false, Enter calls `handle_submission(true)`
(queue)
See `codex-rs/tui/src/bottom_pane/chat_composer.rs` for the
implementation.
## Documentation
For more details on the chat composer behavior, see:
- [TUI Chat Composer documentation](docs/tui-chat-composer.md)
- Feature flag definition: `codex-rs/core/src/features.rs`
- add `thread/compact` as a trigger-only v2 RPC that submits
`Op::Compact` and returns `{}` immediately.
- add v2 compaction e2e coverage for success and invalid/unknown thread
ids, and update protocol schemas/docs.
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- Hide the "Worked for" label in the final message separator unless
elapsed time is over one minute.\n- Update/add tests to cover both
hidden (<60s) and shown (>=61s) behavior.
# External (non-OpenAI) Pull Request Requirements
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# External (non-OpenAI) Pull Request Requirements
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# External (non-OpenAI) Pull Request Requirements
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# External (non-OpenAI) Pull Request Requirements
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# External (non-OpenAI) Pull Request Requirements
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# External (non-OpenAI) Pull Request Requirements
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# External (non-OpenAI) Pull Request Requirements
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# External (non-OpenAI) Pull Request Requirements
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Reuse the shared chat composer for notes and freeform answers in
request_user_input.
- Build the overlay composer with ChatComposerConfig::plain_text.
- Wire paste-burst flushing + menu surface sizing through the bottom
pane.
# External (non-OpenAI) Pull Request Requirements
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Keep an unmasked base collaboration mode and apply the active mask on
demand. Simplify the TUI mask helpers and update tests/docs to match the
mask contract.
# External (non-OpenAI) Pull Request Requirements
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We have `models.json` and `/models` response
Behavior:
1. New models from models endpoint gets added
2. Shared models get replaced by remote ones
3. Existing models in `models.json` but not `/models` are kept
4. Mark highest priority as default
- Only use collaboration modes in the tui state to track model and
effort.
- No behavior change without the collaboration modes flag.
- Change model and effort on /model, /collab (behind a flag), and
shift+tab (behind flag)
- `tui/` and `tui2/` submit `Op::UserTurn` and own full turn context
(cwd/approval/sandbox/model/etc.).
- `Op::UserInput` is documented as legacy in `codex-protocol` (doc-only;
no `#[deprecated]` to avoid `-D warnings` fallout).
- Remove obsolete `#[allow(deprecated)]` and the unused `ConversationId`
alias/re-export.
# External (non-OpenAI) Pull Request Requirements
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Document the backtrack/rollback state machine and invariants between the
transcript overlay, in-flight “live tail”, and core thread state (tui + tui2).
Also adjust behavior for correctness:
- Track a single pending rollback and block additional rollbacks until core responds.
- Defer trimming transcript cells until ThreadRolledBack for the active session.
- Clear the guard on ThreadRollbackFailed so the user can retry.
- After a confirmed trim, schedule a one-shot scrollback refresh on the next draw.
- Clear stale pending rollback state when switching sessions.
---------
Co-authored-by: Josh McKinney <joshka@openai.com>
- Merge `model` and `reasoning_effort` under collaboration modes.
- Add additional instructions for custom collaboration mode
- Default to Custom to not change behavior
- capture the header from SSE/WS handshakes, store it per
ModelClientSession using `Oncelock`, echo it on turn-scoped requests,
and add SSE+WS integration tests for within-turn persistence +
cross-turn reset.
- keep `x-codex-turn-state` sticky within a user turn to maintain
routing continuity for retries/tool follow-ups.
Next step would be to clean Model Upgrade in model presets
---------
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: aibrahim-oai <219906144+aibrahim-oai@users.noreply.github.com>
- Don't try to precompute model unless you know it from `config`
- Block `/model` on session configured
- Queue messages until session configured
- show "loading" in status until session configured
**make command summaries more accurate by distinguishing
list/search/read operations across common CLI tools.**
- Added parsing helpers to centralize operand/flag handling (cd_target,
sed_read_path, first_non_flag_operand, single_non_flag_operand,
parse_grep_like, awk_data_file_operand, python_walks_files,
is_python_command) and reused them in summarize_main_tokens/shell
parsing.
- Newly parsed list-files commands: git ls-files, rg --files (incl.
rga/ripgrep-all), eza/exa, tree, du, python -c file-walks, plus fd/find
map to ListFiles when no query.
- Newly parsed search commands: git grep, grep/egrep/fgrep, ag/ack/pt,
rg/rga files-with-matches flags (-l/-L, --files-with-matches,
--files-without-match), with improved flag skipping to avoid
misclassifying args as paths.
- Newly parsed read commands: bat/batcat, less, more, awk <file>, and
more flexible sed -n range + file detection.
- refine “small formatting command” detection for awk/sed, handle cd
with -- or multiple operands, keep pipeline summaries focused on primary
command.
Have only the following Methods:
- `list_models`: getting current available models
- `try_list_models`: sync version no refresh for tui use
- `get_default_model`: get the default model (should be tightened to
core and received on session configuration)
- `get_model_info`: get `ModelInfo` for a specific model (should be
tightened to core but used in tests)
- `refresh_if_new_etag`: trigger refresh on different etags
Also move the cache to its own struct
Handle image paste on empty paste events.
- Intent: make image paste work in terminals that emit empty paste
events.
- Approach: route paste events through an image-aware handler and read
the clipboard when text is empty.
- That's best effort to detect it. Some terminals don't send the empty
signal.
- Add a single builder for developer permissions messaging that accepts
SandboxPolicy and approval policy. This builder now drives the developer
“permissions” message that’s injected at session start and any time
sandbox/approval settings change.
- Trim EnvironmentContext to only include cwd, writable roots, and
shell; removed sandbox/approval/network duplication and adjusted XML
serialization and tests accordingly.
Follow-up: adding a config value to replace the developer permissions
message for custom sandboxes.
We used to override truncation policy by comparing model info vs config
value in context manager. A better way to do it is to construct model
info using the config value
> // todo(aibrahim): why are we passing model here while it can change?
we update it on each turn with `.with_model`
> //TODO(aibrahim): run CI in release mode.
although it's good to have, release builds take double the time tests
take.
> // todo(aibrahim): make this async function
we figured out another way of doing this sync
- Merge ModelFamily into ModelInfo
- Remove logic for adding instructions to apply patch
- Add compaction limit and visible context window to `ModelInfo`
Ahmed IbrahimandGitHub
