core-agent-ide/codex-rs/tui/src/app.rs
iceweasel-oai 6372ba9d5f
Elevated sandbox NUX (#8789)
Elevated Sandbox NUX:

* prompt for elevated sandbox setup when agent mode is selected (via
/approvals or at startup)
* prompt for degraded sandbox if elevated setup is declined or fails
* introduce /elevate-sandbox command to upgrade from degraded
experience.
2026-01-08 16:23:06 -08:00

1802 lines
72 KiB
Rust

use crate::app_backtrack::BacktrackState;
use crate::app_event::AppEvent;
#[cfg(target_os = "windows")]
use crate::app_event::WindowsSandboxEnableMode;
#[cfg(target_os = "windows")]
use crate::app_event::WindowsSandboxFallbackReason;
use crate::app_event_sender::AppEventSender;
use crate::bottom_pane::ApprovalRequest;
use crate::chatwidget::ChatWidget;
use crate::chatwidget::ExternalEditorState;
use crate::diff_render::DiffSummary;
use crate::exec_command::strip_bash_lc_and_escape;
use crate::external_editor;
use crate::file_search::FileSearchManager;
use crate::history_cell;
use crate::history_cell::HistoryCell;
use crate::model_migration::ModelMigrationOutcome;
use crate::model_migration::migration_copy_for_models;
use crate::model_migration::run_model_migration_prompt;
use crate::pager_overlay::Overlay;
use crate::render::highlight::highlight_bash_to_lines;
use crate::render::renderable::Renderable;
use crate::resume_picker::ResumeSelection;
use crate::tui;
use crate::tui::TuiEvent;
use crate::update_action::UpdateAction;
use codex_ansi_escape::ansi_escape_line;
use codex_core::AuthManager;
use codex_core::ThreadManager;
use codex_core::config::Config;
use codex_core::config::edit::ConfigEdit;
use codex_core::config::edit::ConfigEditsBuilder;
#[cfg(target_os = "windows")]
use codex_core::features::Feature;
use codex_core::models_manager::manager::ModelsManager;
use codex_core::models_manager::model_presets::HIDE_GPT_5_1_CODEX_MAX_MIGRATION_PROMPT_CONFIG;
use codex_core::models_manager::model_presets::HIDE_GPT5_1_MIGRATION_PROMPT_CONFIG;
use codex_core::protocol::EventMsg;
use codex_core::protocol::FinalOutput;
use codex_core::protocol::ListSkillsResponseEvent;
use codex_core::protocol::Op;
use codex_core::protocol::SessionSource;
use codex_core::protocol::SkillErrorInfo;
use codex_core::protocol::TokenUsage;
use codex_protocol::ThreadId;
use codex_protocol::openai_models::ModelPreset;
use codex_protocol::openai_models::ModelUpgrade;
use codex_protocol::openai_models::ReasoningEffort as ReasoningEffortConfig;
use color_eyre::eyre::Result;
use color_eyre::eyre::WrapErr;
use crossterm::event::KeyCode;
use crossterm::event::KeyEvent;
use crossterm::event::KeyEventKind;
use ratatui::style::Stylize;
use ratatui::text::Line;
use ratatui::widgets::Paragraph;
use ratatui::widgets::Wrap;
use std::collections::BTreeMap;
use std::path::Path;
use std::path::PathBuf;
use std::sync::Arc;
use std::sync::atomic::AtomicBool;
use std::sync::atomic::Ordering;
use std::thread;
use std::time::Duration;
use tokio::select;
use tokio::sync::mpsc::unbounded_channel;
#[cfg(not(debug_assertions))]
use crate::history_cell::UpdateAvailableHistoryCell;
const EXTERNAL_EDITOR_HINT: &str = "Save and close external editor to continue.";
#[derive(Debug, Clone)]
pub struct AppExitInfo {
pub token_usage: TokenUsage,
pub thread_id: Option<ThreadId>,
pub update_action: Option<UpdateAction>,
}
fn session_summary(token_usage: TokenUsage, thread_id: Option<ThreadId>) -> Option<SessionSummary> {
if token_usage.is_zero() {
return None;
}
let usage_line = FinalOutput::from(token_usage).to_string();
let resume_command = thread_id.map(|thread_id| format!("codex resume {thread_id}"));
Some(SessionSummary {
usage_line,
resume_command,
})
}
fn errors_for_cwd(cwd: &Path, response: &ListSkillsResponseEvent) -> Vec<SkillErrorInfo> {
response
.skills
.iter()
.find(|entry| entry.cwd.as_path() == cwd)
.map(|entry| entry.errors.clone())
.unwrap_or_default()
}
fn emit_skill_load_warnings(app_event_tx: &AppEventSender, errors: &[SkillErrorInfo]) {
if errors.is_empty() {
return;
}
let error_count = errors.len();
app_event_tx.send(AppEvent::InsertHistoryCell(Box::new(
crate::history_cell::new_warning_event(format!(
"Skipped loading {error_count} skill(s) due to invalid SKILL.md files."
)),
)));
for error in errors {
let path = error.path.display();
let message = error.message.as_str();
app_event_tx.send(AppEvent::InsertHistoryCell(Box::new(
crate::history_cell::new_warning_event(format!("{path}: {message}")),
)));
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
struct SessionSummary {
usage_line: String,
resume_command: Option<String>,
}
fn should_show_model_migration_prompt(
current_model: &str,
target_model: &str,
seen_migrations: &BTreeMap<String, String>,
available_models: &[ModelPreset],
) -> bool {
if target_model == current_model {
return false;
}
if let Some(seen_target) = seen_migrations.get(current_model)
&& seen_target == target_model
{
return false;
}
if available_models
.iter()
.any(|preset| preset.model == current_model && preset.upgrade.is_some())
{
return true;
}
if available_models
.iter()
.any(|preset| preset.upgrade.as_ref().map(|u| u.id.as_str()) == Some(target_model))
{
return true;
}
false
}
fn migration_prompt_hidden(config: &Config, migration_config_key: &str) -> bool {
match migration_config_key {
HIDE_GPT_5_1_CODEX_MAX_MIGRATION_PROMPT_CONFIG => config
.notices
.hide_gpt_5_1_codex_max_migration_prompt
.unwrap_or(false),
HIDE_GPT5_1_MIGRATION_PROMPT_CONFIG => {
config.notices.hide_gpt5_1_migration_prompt.unwrap_or(false)
}
_ => false,
}
}
fn target_preset_for_upgrade<'a>(
available_models: &'a [ModelPreset],
target_model: &str,
) -> Option<&'a ModelPreset> {
available_models
.iter()
.find(|preset| preset.model == target_model)
}
async fn handle_model_migration_prompt_if_needed(
tui: &mut tui::Tui,
config: &mut Config,
model: &str,
app_event_tx: &AppEventSender,
models_manager: Arc<ModelsManager>,
) -> Option<AppExitInfo> {
let available_models = models_manager.list_models(config).await;
let upgrade = available_models
.iter()
.find(|preset| preset.model == model)
.and_then(|preset| preset.upgrade.as_ref());
if let Some(ModelUpgrade {
id: target_model,
reasoning_effort_mapping,
migration_config_key,
model_link,
upgrade_copy,
}) = upgrade
{
if migration_prompt_hidden(config, migration_config_key.as_str()) {
return None;
}
let target_model = target_model.to_string();
if !should_show_model_migration_prompt(
model,
&target_model,
&config.notices.model_migrations,
&available_models,
) {
return None;
}
let current_preset = available_models.iter().find(|preset| preset.model == model);
let target_preset = target_preset_for_upgrade(&available_models, &target_model);
let target_preset = target_preset?;
let target_display_name = target_preset.display_name.clone();
let heading_label = if target_display_name == model {
target_model.clone()
} else {
target_display_name.clone()
};
let target_description =
(!target_preset.description.is_empty()).then(|| target_preset.description.clone());
let can_opt_out = current_preset.is_some();
let prompt_copy = migration_copy_for_models(
model,
&target_model,
model_link.clone(),
upgrade_copy.clone(),
heading_label,
target_description,
can_opt_out,
);
match run_model_migration_prompt(tui, prompt_copy).await {
ModelMigrationOutcome::Accepted => {
app_event_tx.send(AppEvent::PersistModelMigrationPromptAcknowledged {
from_model: model.to_string(),
to_model: target_model.clone(),
});
config.model = Some(target_model.clone());
let mapped_effort = if let Some(reasoning_effort_mapping) = reasoning_effort_mapping
&& let Some(reasoning_effort) = config.model_reasoning_effort
{
reasoning_effort_mapping
.get(&reasoning_effort)
.cloned()
.or(config.model_reasoning_effort)
} else {
config.model_reasoning_effort
};
config.model_reasoning_effort = mapped_effort;
app_event_tx.send(AppEvent::UpdateModel(target_model.clone()));
app_event_tx.send(AppEvent::UpdateReasoningEffort(mapped_effort));
app_event_tx.send(AppEvent::PersistModelSelection {
model: target_model.clone(),
effort: mapped_effort,
});
}
ModelMigrationOutcome::Rejected => {
app_event_tx.send(AppEvent::PersistModelMigrationPromptAcknowledged {
from_model: model.to_string(),
to_model: target_model.clone(),
});
}
ModelMigrationOutcome::Exit => {
return Some(AppExitInfo {
token_usage: TokenUsage::default(),
thread_id: None,
update_action: None,
});
}
}
}
None
}
pub(crate) struct App {
pub(crate) server: Arc<ThreadManager>,
pub(crate) app_event_tx: AppEventSender,
pub(crate) chat_widget: ChatWidget,
pub(crate) auth_manager: Arc<AuthManager>,
/// Config is stored here so we can recreate ChatWidgets as needed.
pub(crate) config: Config,
pub(crate) current_model: String,
pub(crate) active_profile: Option<String>,
pub(crate) file_search: FileSearchManager,
pub(crate) transcript_cells: Vec<Arc<dyn HistoryCell>>,
// Pager overlay state (Transcript or Static like Diff)
pub(crate) overlay: Option<Overlay>,
pub(crate) deferred_history_lines: Vec<Line<'static>>,
has_emitted_history_lines: bool,
pub(crate) enhanced_keys_supported: bool,
/// Controls the animation thread that sends CommitTick events.
pub(crate) commit_anim_running: Arc<AtomicBool>,
// Esc-backtracking state grouped
pub(crate) backtrack: crate::app_backtrack::BacktrackState,
pub(crate) feedback: codex_feedback::CodexFeedback,
/// Set when the user confirms an update; propagated on exit.
pub(crate) pending_update_action: Option<UpdateAction>,
/// Ignore the next ShutdownComplete event when we're intentionally
/// stopping a thread (e.g., before starting a new one).
suppress_shutdown_complete: bool,
// One-shot suppression of the next world-writable scan after user confirmation.
skip_world_writable_scan_once: bool,
}
impl App {
async fn shutdown_current_thread(&mut self) {
if let Some(thread_id) = self.chat_widget.thread_id() {
self.suppress_shutdown_complete = true;
self.chat_widget.submit_op(Op::Shutdown);
self.server.remove_thread(&thread_id).await;
}
}
#[allow(clippy::too_many_arguments)]
pub async fn run(
tui: &mut tui::Tui,
auth_manager: Arc<AuthManager>,
mut config: Config,
active_profile: Option<String>,
initial_prompt: Option<String>,
initial_images: Vec<PathBuf>,
resume_selection: ResumeSelection,
feedback: codex_feedback::CodexFeedback,
is_first_run: bool,
) -> Result<AppExitInfo> {
use tokio_stream::StreamExt;
let (app_event_tx, mut app_event_rx) = unbounded_channel();
let app_event_tx = AppEventSender::new(app_event_tx);
let thread_manager = Arc::new(ThreadManager::new(
config.codex_home.clone(),
auth_manager.clone(),
SessionSource::Cli,
));
let mut model = thread_manager
.get_models_manager()
.get_model(&config.model, &config)
.await;
let exit_info = handle_model_migration_prompt_if_needed(
tui,
&mut config,
model.as_str(),
&app_event_tx,
thread_manager.get_models_manager(),
)
.await;
if let Some(exit_info) = exit_info {
return Ok(exit_info);
}
if let Some(updated_model) = config.model.clone() {
model = updated_model;
}
let enhanced_keys_supported = tui.enhanced_keys_supported();
let mut chat_widget = match resume_selection {
ResumeSelection::StartFresh | ResumeSelection::Exit => {
let init = crate::chatwidget::ChatWidgetInit {
config: config.clone(),
frame_requester: tui.frame_requester(),
app_event_tx: app_event_tx.clone(),
initial_prompt: initial_prompt.clone(),
initial_images: initial_images.clone(),
enhanced_keys_supported,
auth_manager: auth_manager.clone(),
models_manager: thread_manager.get_models_manager(),
feedback: feedback.clone(),
is_first_run,
model: model.clone(),
};
ChatWidget::new(init, thread_manager.clone())
}
ResumeSelection::Resume(path) => {
let resumed = thread_manager
.resume_thread_from_rollout(config.clone(), path.clone(), auth_manager.clone())
.await
.wrap_err_with(|| {
format!("Failed to resume session from {}", path.display())
})?;
let init = crate::chatwidget::ChatWidgetInit {
config: config.clone(),
frame_requester: tui.frame_requester(),
app_event_tx: app_event_tx.clone(),
initial_prompt: initial_prompt.clone(),
initial_images: initial_images.clone(),
enhanced_keys_supported,
auth_manager: auth_manager.clone(),
models_manager: thread_manager.get_models_manager(),
feedback: feedback.clone(),
is_first_run,
model: model.clone(),
};
ChatWidget::new_from_existing(init, resumed.thread, resumed.session_configured)
}
};
chat_widget.maybe_prompt_windows_sandbox_enable();
let file_search = FileSearchManager::new(config.cwd.clone(), app_event_tx.clone());
#[cfg(not(debug_assertions))]
let upgrade_version = crate::updates::get_upgrade_version(&config);
let mut app = Self {
server: thread_manager.clone(),
app_event_tx,
chat_widget,
auth_manager: auth_manager.clone(),
config,
current_model: model.clone(),
active_profile,
file_search,
enhanced_keys_supported,
transcript_cells: Vec::new(),
overlay: None,
deferred_history_lines: Vec::new(),
has_emitted_history_lines: false,
commit_anim_running: Arc::new(AtomicBool::new(false)),
backtrack: BacktrackState::default(),
feedback: feedback.clone(),
pending_update_action: None,
suppress_shutdown_complete: false,
skip_world_writable_scan_once: false,
};
// On startup, if Agent mode (workspace-write) or ReadOnly is active, warn about world-writable dirs on Windows.
#[cfg(target_os = "windows")]
{
let should_check = codex_core::get_platform_sandbox().is_some()
&& matches!(
app.config.sandbox_policy.get(),
codex_core::protocol::SandboxPolicy::WorkspaceWrite { .. }
| codex_core::protocol::SandboxPolicy::ReadOnly
)
&& !app
.config
.notices
.hide_world_writable_warning
.unwrap_or(false);
if should_check {
let cwd = app.config.cwd.clone();
let env_map: std::collections::HashMap<String, String> = std::env::vars().collect();
let tx = app.app_event_tx.clone();
let logs_base_dir = app.config.codex_home.clone();
let sandbox_policy = app.config.sandbox_policy.get().clone();
Self::spawn_world_writable_scan(cwd, env_map, logs_base_dir, sandbox_policy, tx);
}
}
#[cfg(not(debug_assertions))]
if let Some(latest_version) = upgrade_version {
app.handle_event(
tui,
AppEvent::InsertHistoryCell(Box::new(UpdateAvailableHistoryCell::new(
latest_version,
crate::update_action::get_update_action(),
))),
)
.await?;
}
let tui_events = tui.event_stream();
tokio::pin!(tui_events);
tui.frame_requester().schedule_frame();
while select! {
Some(event) = app_event_rx.recv() => {
app.handle_event(tui, event).await?
}
Some(event) = tui_events.next() => {
app.handle_tui_event(tui, event).await?
}
} {}
tui.terminal.clear()?;
Ok(AppExitInfo {
token_usage: app.token_usage(),
thread_id: app.chat_widget.thread_id(),
update_action: app.pending_update_action,
})
}
pub(crate) async fn handle_tui_event(
&mut self,
tui: &mut tui::Tui,
event: TuiEvent,
) -> Result<bool> {
if self.overlay.is_some() {
let _ = self.handle_backtrack_overlay_event(tui, event).await?;
} else {
match event {
TuiEvent::Key(key_event) => {
self.handle_key_event(tui, key_event).await;
}
TuiEvent::Paste(pasted) => {
// Many terminals convert newlines to \r when pasting (e.g., iTerm2),
// but tui-textarea expects \n. Normalize CR to LF.
// [tui-textarea]: https://github.com/rhysd/tui-textarea/blob/4d18622eeac13b309e0ff6a55a46ac6706da68cf/src/textarea.rs#L782-L783
// [iTerm2]: https://github.com/gnachman/iTerm2/blob/5d0c0d9f68523cbd0494dad5422998964a2ecd8d/sources/iTermPasteHelper.m#L206-L216
let pasted = pasted.replace("\r", "\n");
self.chat_widget.handle_paste(pasted);
}
TuiEvent::Draw => {
self.chat_widget.maybe_post_pending_notification(tui);
if self
.chat_widget
.handle_paste_burst_tick(tui.frame_requester())
{
return Ok(true);
}
tui.draw(
self.chat_widget.desired_height(tui.terminal.size()?.width),
|frame| {
self.chat_widget.render(frame.area(), frame.buffer);
if let Some((x, y)) = self.chat_widget.cursor_pos(frame.area()) {
frame.set_cursor_position((x, y));
}
},
)?;
if self.chat_widget.external_editor_state() == ExternalEditorState::Requested {
self.chat_widget
.set_external_editor_state(ExternalEditorState::Active);
self.app_event_tx.send(AppEvent::LaunchExternalEditor);
}
}
}
}
Ok(true)
}
async fn handle_event(&mut self, tui: &mut tui::Tui, event: AppEvent) -> Result<bool> {
let model_info = self
.server
.get_models_manager()
.construct_model_info(self.current_model.as_str(), &self.config)
.await;
match event {
AppEvent::NewSession => {
let summary =
session_summary(self.chat_widget.token_usage(), self.chat_widget.thread_id());
self.shutdown_current_thread().await;
let init = crate::chatwidget::ChatWidgetInit {
config: self.config.clone(),
frame_requester: tui.frame_requester(),
app_event_tx: self.app_event_tx.clone(),
initial_prompt: None,
initial_images: Vec::new(),
enhanced_keys_supported: self.enhanced_keys_supported,
auth_manager: self.auth_manager.clone(),
models_manager: self.server.get_models_manager(),
feedback: self.feedback.clone(),
is_first_run: false,
model: self.current_model.clone(),
};
self.chat_widget = ChatWidget::new(init, self.server.clone());
self.current_model = model_info.slug.clone();
if let Some(summary) = summary {
let mut lines: Vec<Line<'static>> = vec![summary.usage_line.clone().into()];
if let Some(command) = summary.resume_command {
let spans = vec!["To continue this session, run ".into(), command.cyan()];
lines.push(spans.into());
}
self.chat_widget.add_plain_history_lines(lines);
}
tui.frame_requester().schedule_frame();
}
AppEvent::OpenResumePicker => {
match crate::resume_picker::run_resume_picker(
tui,
&self.config.codex_home,
&self.config.model_provider_id,
false,
)
.await?
{
ResumeSelection::Resume(path) => {
let summary = session_summary(
self.chat_widget.token_usage(),
self.chat_widget.thread_id(),
);
match self
.server
.resume_thread_from_rollout(
self.config.clone(),
path.clone(),
self.auth_manager.clone(),
)
.await
{
Ok(resumed) => {
self.shutdown_current_thread().await;
let init = crate::chatwidget::ChatWidgetInit {
config: self.config.clone(),
frame_requester: tui.frame_requester(),
app_event_tx: self.app_event_tx.clone(),
initial_prompt: None,
initial_images: Vec::new(),
enhanced_keys_supported: self.enhanced_keys_supported,
auth_manager: self.auth_manager.clone(),
models_manager: self.server.get_models_manager(),
feedback: self.feedback.clone(),
is_first_run: false,
model: self.current_model.clone(),
};
self.chat_widget = ChatWidget::new_from_existing(
init,
resumed.thread,
resumed.session_configured,
);
self.current_model = model_info.slug.clone();
if let Some(summary) = summary {
let mut lines: Vec<Line<'static>> =
vec![summary.usage_line.clone().into()];
if let Some(command) = summary.resume_command {
let spans = vec![
"To continue this session, run ".into(),
command.cyan(),
];
lines.push(spans.into());
}
self.chat_widget.add_plain_history_lines(lines);
}
}
Err(err) => {
self.chat_widget.add_error_message(format!(
"Failed to resume session from {}: {err}",
path.display()
));
}
}
}
ResumeSelection::Exit | ResumeSelection::StartFresh => {}
}
// Leaving alt-screen may blank the inline viewport; force a redraw either way.
tui.frame_requester().schedule_frame();
}
AppEvent::InsertHistoryCell(cell) => {
let cell: Arc<dyn HistoryCell> = cell.into();
if let Some(Overlay::Transcript(t)) = &mut self.overlay {
t.insert_cell(cell.clone());
tui.frame_requester().schedule_frame();
}
self.transcript_cells.push(cell.clone());
let mut display = cell.display_lines(tui.terminal.last_known_screen_size.width);
if !display.is_empty() {
// Only insert a separating blank line for new cells that are not
// part of an ongoing stream. Streaming continuations should not
// accrue extra blank lines between chunks.
if !cell.is_stream_continuation() {
if self.has_emitted_history_lines {
display.insert(0, Line::from(""));
} else {
self.has_emitted_history_lines = true;
}
}
if self.overlay.is_some() {
self.deferred_history_lines.extend(display);
} else {
tui.insert_history_lines(display);
}
}
}
AppEvent::StartCommitAnimation => {
if self
.commit_anim_running
.compare_exchange(false, true, Ordering::Acquire, Ordering::Relaxed)
.is_ok()
{
let tx = self.app_event_tx.clone();
let running = self.commit_anim_running.clone();
thread::spawn(move || {
while running.load(Ordering::Relaxed) {
thread::sleep(Duration::from_millis(50));
tx.send(AppEvent::CommitTick);
}
});
}
}
AppEvent::StopCommitAnimation => {
self.commit_anim_running.store(false, Ordering::Release);
}
AppEvent::CommitTick => {
self.chat_widget.on_commit_tick();
}
AppEvent::CodexEvent(event) => {
if self.suppress_shutdown_complete
&& matches!(event.msg, EventMsg::ShutdownComplete)
{
self.suppress_shutdown_complete = false;
return Ok(true);
}
if let EventMsg::ListSkillsResponse(response) = &event.msg {
let cwd = self.chat_widget.config_ref().cwd.clone();
let errors = errors_for_cwd(&cwd, response);
emit_skill_load_warnings(&self.app_event_tx, &errors);
}
self.chat_widget.handle_codex_event(event);
}
AppEvent::ConversationHistory(ev) => {
self.on_conversation_history_for_backtrack(tui, ev).await?;
}
AppEvent::ExitRequest => {
return Ok(false);
}
AppEvent::CodexOp(op) => self.chat_widget.submit_op(op),
AppEvent::DiffResult(text) => {
// Clear the in-progress state in the bottom pane
self.chat_widget.on_diff_complete();
// Enter alternate screen using TUI helper and build pager lines
let _ = tui.enter_alt_screen();
let pager_lines: Vec<ratatui::text::Line<'static>> = if text.trim().is_empty() {
vec!["No changes detected.".italic().into()]
} else {
text.lines().map(ansi_escape_line).collect()
};
self.overlay = Some(Overlay::new_static_with_lines(
pager_lines,
"D I F F".to_string(),
));
tui.frame_requester().schedule_frame();
}
AppEvent::StartFileSearch(query) => {
if !query.is_empty() {
self.file_search.on_user_query(query);
}
}
AppEvent::FileSearchResult { query, matches } => {
self.chat_widget.apply_file_search_result(query, matches);
}
AppEvent::RateLimitSnapshotFetched(snapshot) => {
self.chat_widget.on_rate_limit_snapshot(Some(snapshot));
}
AppEvent::UpdateReasoningEffort(effort) => {
self.on_update_reasoning_effort(effort);
}
AppEvent::UpdateModel(model) => {
self.chat_widget.set_model(&model);
self.current_model = model;
}
AppEvent::OpenReasoningPopup { model } => {
self.chat_widget.open_reasoning_popup(model);
}
AppEvent::OpenAllModelsPopup { models } => {
self.chat_widget.open_all_models_popup(models);
}
AppEvent::OpenFullAccessConfirmation { preset } => {
self.chat_widget.open_full_access_confirmation(preset);
}
AppEvent::OpenWorldWritableWarningConfirmation {
preset,
sample_paths,
extra_count,
failed_scan,
} => {
self.chat_widget.open_world_writable_warning_confirmation(
preset,
sample_paths,
extra_count,
failed_scan,
);
}
AppEvent::OpenFeedbackNote {
category,
include_logs,
} => {
self.chat_widget.open_feedback_note(category, include_logs);
}
AppEvent::OpenFeedbackConsent { category } => {
self.chat_widget.open_feedback_consent(category);
}
AppEvent::LaunchExternalEditor => {
if self.chat_widget.external_editor_state() == ExternalEditorState::Active {
self.launch_external_editor(tui).await;
}
}
AppEvent::OpenWindowsSandboxEnablePrompt { preset } => {
self.chat_widget.open_windows_sandbox_enable_prompt(preset);
}
AppEvent::OpenWindowsSandboxFallbackPrompt { preset, reason } => {
self.chat_widget.clear_windows_sandbox_setup_status();
self.chat_widget
.open_windows_sandbox_fallback_prompt(preset, reason);
}
AppEvent::BeginWindowsSandboxElevatedSetup { preset } => {
#[cfg(target_os = "windows")]
{
let policy = preset.sandbox.clone();
let policy_cwd = self.config.cwd.clone();
let command_cwd = policy_cwd.clone();
let env_map: std::collections::HashMap<String, String> =
std::env::vars().collect();
let codex_home = self.config.codex_home.clone();
let tx = self.app_event_tx.clone();
// If the elevated setup already ran on this machine, don't prompt for
// elevation again - just flip the config to use the elevated path.
if codex_core::windows_sandbox::sandbox_setup_is_complete(codex_home.as_path())
{
tx.send(AppEvent::EnableWindowsSandboxForAgentMode {
preset,
mode: WindowsSandboxEnableMode::Elevated,
});
return Ok(true);
}
self.chat_widget.show_windows_sandbox_setup_status();
tokio::task::spawn_blocking(move || {
let result = codex_core::windows_sandbox::run_elevated_setup(
&policy,
policy_cwd.as_path(),
command_cwd.as_path(),
&env_map,
codex_home.as_path(),
);
let event = match result {
Ok(()) => AppEvent::EnableWindowsSandboxForAgentMode {
preset: preset.clone(),
mode: WindowsSandboxEnableMode::Elevated,
},
Err(err) => {
tracing::error!(
error = %err,
"failed to run elevated Windows sandbox setup"
);
AppEvent::OpenWindowsSandboxFallbackPrompt {
preset,
reason: WindowsSandboxFallbackReason::ElevationFailed,
}
}
};
tx.send(event);
});
}
#[cfg(not(target_os = "windows"))]
{
let _ = preset;
}
}
AppEvent::EnableWindowsSandboxForAgentMode { preset, mode } => {
#[cfg(target_os = "windows")]
{
self.chat_widget.clear_windows_sandbox_setup_status();
let profile = self.active_profile.as_deref();
let feature_key = Feature::WindowsSandbox.key();
let elevated_key = Feature::WindowsSandboxElevated.key();
let elevated_enabled = matches!(mode, WindowsSandboxEnableMode::Elevated);
match ConfigEditsBuilder::new(&self.config.codex_home)
.with_profile(profile)
.set_feature_enabled(feature_key, true)
.set_feature_enabled(elevated_key, elevated_enabled)
.apply()
.await
{
Ok(()) => {
self.config.set_windows_sandbox_globally(true);
self.config
.set_windows_elevated_sandbox_globally(elevated_enabled);
self.chat_widget
.set_feature_enabled(Feature::WindowsSandbox, true);
self.chat_widget.set_feature_enabled(
Feature::WindowsSandboxElevated,
elevated_enabled,
);
self.chat_widget.clear_forced_auto_mode_downgrade();
if let Some((sample_paths, extra_count, failed_scan)) =
self.chat_widget.world_writable_warning_details()
{
self.app_event_tx.send(
AppEvent::OpenWorldWritableWarningConfirmation {
preset: Some(preset.clone()),
sample_paths,
extra_count,
failed_scan,
},
);
} else {
self.app_event_tx.send(AppEvent::CodexOp(
Op::OverrideTurnContext {
cwd: None,
approval_policy: Some(preset.approval),
sandbox_policy: Some(preset.sandbox.clone()),
model: None,
effort: None,
summary: None,
},
));
self.app_event_tx
.send(AppEvent::UpdateAskForApprovalPolicy(preset.approval));
self.app_event_tx
.send(AppEvent::UpdateSandboxPolicy(preset.sandbox.clone()));
self.chat_widget.add_info_message(
match mode {
WindowsSandboxEnableMode::Elevated => {
"Enabled elevated agent sandbox.".to_string()
}
WindowsSandboxEnableMode::Legacy => {
"Enabled non-elevated agent sandbox.".to_string()
}
},
None,
);
}
}
Err(err) => {
tracing::error!(
error = %err,
"failed to enable Windows sandbox feature"
);
self.chat_widget.add_error_message(format!(
"Failed to enable the Windows sandbox feature: {err}"
));
}
}
}
#[cfg(not(target_os = "windows"))]
{
let _ = (preset, mode);
}
}
AppEvent::PersistModelSelection { model, effort } => {
let profile = self.active_profile.as_deref();
match ConfigEditsBuilder::new(&self.config.codex_home)
.with_profile(profile)
.set_model(Some(model.as_str()), effort)
.apply()
.await
{
Ok(()) => {
let mut message = format!("Model changed to {model}");
if let Some(label) = Self::reasoning_label_for(&model, effort) {
message.push(' ');
message.push_str(label);
}
if let Some(profile) = profile {
message.push_str(" for ");
message.push_str(profile);
message.push_str(" profile");
}
self.chat_widget.add_info_message(message, None);
}
Err(err) => {
tracing::error!(
error = %err,
"failed to persist model selection"
);
if let Some(profile) = profile {
self.chat_widget.add_error_message(format!(
"Failed to save model for profile `{profile}`: {err}"
));
} else {
self.chat_widget
.add_error_message(format!("Failed to save default model: {err}"));
}
}
}
}
AppEvent::UpdateAskForApprovalPolicy(policy) => {
self.chat_widget.set_approval_policy(policy);
}
AppEvent::UpdateSandboxPolicy(policy) => {
#[cfg(target_os = "windows")]
let policy_is_workspace_write_or_ro = matches!(
&policy,
codex_core::protocol::SandboxPolicy::WorkspaceWrite { .. }
| codex_core::protocol::SandboxPolicy::ReadOnly
);
if let Err(err) = self.config.sandbox_policy.set(policy.clone()) {
tracing::warn!(%err, "failed to set sandbox policy on app config");
self.chat_widget
.add_error_message(format!("Failed to set sandbox policy: {err}"));
return Ok(true);
}
#[cfg(target_os = "windows")]
if !matches!(&policy, codex_core::protocol::SandboxPolicy::ReadOnly)
|| codex_core::get_platform_sandbox().is_some()
{
self.config.forced_auto_mode_downgraded_on_windows = false;
}
if let Err(err) = self.chat_widget.set_sandbox_policy(policy) {
tracing::warn!(%err, "failed to set sandbox policy on chat config");
self.chat_widget
.add_error_message(format!("Failed to set sandbox policy: {err}"));
return Ok(true);
}
// If sandbox policy becomes workspace-write or read-only, run the Windows world-writable scan.
#[cfg(target_os = "windows")]
{
// One-shot suppression if the user just confirmed continue.
if self.skip_world_writable_scan_once {
self.skip_world_writable_scan_once = false;
return Ok(true);
}
let should_check = codex_core::get_platform_sandbox().is_some()
&& policy_is_workspace_write_or_ro
&& !self.chat_widget.world_writable_warning_hidden();
if should_check {
let cwd = self.config.cwd.clone();
let env_map: std::collections::HashMap<String, String> =
std::env::vars().collect();
let tx = self.app_event_tx.clone();
let logs_base_dir = self.config.codex_home.clone();
let sandbox_policy = self.config.sandbox_policy.get().clone();
Self::spawn_world_writable_scan(
cwd,
env_map,
logs_base_dir,
sandbox_policy,
tx,
);
}
}
}
AppEvent::UpdateFeatureFlags { updates } => {
if updates.is_empty() {
return Ok(true);
}
let mut builder = ConfigEditsBuilder::new(&self.config.codex_home)
.with_profile(self.active_profile.as_deref());
for (feature, enabled) in &updates {
let feature_key = feature.key();
if *enabled {
// Update the in-memory configs.
self.config.features.enable(*feature);
self.chat_widget.set_feature_enabled(*feature, true);
builder = builder.set_feature_enabled(feature_key, true);
} else {
// Update the in-memory configs.
self.config.features.disable(*feature);
self.chat_widget.set_feature_enabled(*feature, false);
if feature.default_enabled() {
builder = builder.set_feature_enabled(feature_key, false);
} else {
// If the feature already default to `false`, we drop the key
// in the config file so that the user does not miss the feature
// once it gets globally released.
builder = builder.with_edits(vec![ConfigEdit::ClearPath {
segments: vec!["features".to_string(), feature_key.to_string()],
}]);
}
}
}
if let Err(err) = builder.apply().await {
tracing::error!(error = %err, "failed to persist feature flags");
self.chat_widget.add_error_message(format!(
"Failed to update experimental features: {err}"
));
}
}
AppEvent::SkipNextWorldWritableScan => {
self.skip_world_writable_scan_once = true;
}
AppEvent::UpdateFullAccessWarningAcknowledged(ack) => {
self.chat_widget.set_full_access_warning_acknowledged(ack);
}
AppEvent::UpdateWorldWritableWarningAcknowledged(ack) => {
self.chat_widget
.set_world_writable_warning_acknowledged(ack);
}
AppEvent::UpdateRateLimitSwitchPromptHidden(hidden) => {
self.chat_widget.set_rate_limit_switch_prompt_hidden(hidden);
}
AppEvent::PersistFullAccessWarningAcknowledged => {
if let Err(err) = ConfigEditsBuilder::new(&self.config.codex_home)
.set_hide_full_access_warning(true)
.apply()
.await
{
tracing::error!(
error = %err,
"failed to persist full access warning acknowledgement"
);
self.chat_widget.add_error_message(format!(
"Failed to save full access confirmation preference: {err}"
));
}
}
AppEvent::PersistWorldWritableWarningAcknowledged => {
if let Err(err) = ConfigEditsBuilder::new(&self.config.codex_home)
.set_hide_world_writable_warning(true)
.apply()
.await
{
tracing::error!(
error = %err,
"failed to persist world-writable warning acknowledgement"
);
self.chat_widget.add_error_message(format!(
"Failed to save Agent mode warning preference: {err}"
));
}
}
AppEvent::PersistRateLimitSwitchPromptHidden => {
if let Err(err) = ConfigEditsBuilder::new(&self.config.codex_home)
.set_hide_rate_limit_model_nudge(true)
.apply()
.await
{
tracing::error!(
error = %err,
"failed to persist rate limit switch prompt preference"
);
self.chat_widget.add_error_message(format!(
"Failed to save rate limit reminder preference: {err}"
));
}
}
AppEvent::PersistModelMigrationPromptAcknowledged {
from_model,
to_model,
} => {
if let Err(err) = ConfigEditsBuilder::new(&self.config.codex_home)
.record_model_migration_seen(from_model.as_str(), to_model.as_str())
.apply()
.await
{
tracing::error!(
error = %err,
"failed to persist model migration prompt acknowledgement"
);
self.chat_widget.add_error_message(format!(
"Failed to save model migration prompt preference: {err}"
));
}
}
AppEvent::OpenApprovalsPopup => {
self.chat_widget.open_approvals_popup();
}
AppEvent::OpenReviewBranchPicker(cwd) => {
self.chat_widget.show_review_branch_picker(&cwd).await;
}
AppEvent::OpenReviewCommitPicker(cwd) => {
self.chat_widget.show_review_commit_picker(&cwd).await;
}
AppEvent::OpenReviewCustomPrompt => {
self.chat_widget.show_review_custom_prompt();
}
AppEvent::FullScreenApprovalRequest(request) => match request {
ApprovalRequest::ApplyPatch { cwd, changes, .. } => {
let _ = tui.enter_alt_screen();
let diff_summary = DiffSummary::new(changes, cwd);
self.overlay = Some(Overlay::new_static_with_renderables(
vec![diff_summary.into()],
"P A T C H".to_string(),
));
}
ApprovalRequest::Exec { command, .. } => {
let _ = tui.enter_alt_screen();
let full_cmd = strip_bash_lc_and_escape(&command);
let full_cmd_lines = highlight_bash_to_lines(&full_cmd);
self.overlay = Some(Overlay::new_static_with_lines(
full_cmd_lines,
"E X E C".to_string(),
));
}
ApprovalRequest::McpElicitation {
server_name,
message,
..
} => {
let _ = tui.enter_alt_screen();
let paragraph = Paragraph::new(vec![
Line::from(vec!["Server: ".into(), server_name.bold()]),
Line::from(""),
Line::from(message),
])
.wrap(Wrap { trim: false });
self.overlay = Some(Overlay::new_static_with_renderables(
vec![Box::new(paragraph)],
"E L I C I T A T I O N".to_string(),
));
}
},
}
Ok(true)
}
fn reasoning_label(reasoning_effort: Option<ReasoningEffortConfig>) -> &'static str {
match reasoning_effort {
Some(ReasoningEffortConfig::Minimal) => "minimal",
Some(ReasoningEffortConfig::Low) => "low",
Some(ReasoningEffortConfig::Medium) => "medium",
Some(ReasoningEffortConfig::High) => "high",
Some(ReasoningEffortConfig::XHigh) => "xhigh",
None | Some(ReasoningEffortConfig::None) => "default",
}
}
fn reasoning_label_for(
model: &str,
reasoning_effort: Option<ReasoningEffortConfig>,
) -> Option<&'static str> {
(!model.starts_with("codex-auto-")).then(|| Self::reasoning_label(reasoning_effort))
}
pub(crate) fn token_usage(&self) -> codex_core::protocol::TokenUsage {
self.chat_widget.token_usage()
}
fn on_update_reasoning_effort(&mut self, effort: Option<ReasoningEffortConfig>) {
self.chat_widget.set_reasoning_effort(effort);
self.config.model_reasoning_effort = effort;
}
async fn launch_external_editor(&mut self, tui: &mut tui::Tui) {
let editor_cmd = match external_editor::resolve_editor_command() {
Ok(cmd) => cmd,
Err(external_editor::EditorError::MissingEditor) => {
self.chat_widget
.add_to_history(history_cell::new_error_event(
"Cannot open external editor: set $VISUAL or $EDITOR".to_string(),
));
self.reset_external_editor_state(tui);
return;
}
Err(err) => {
self.chat_widget
.add_to_history(history_cell::new_error_event(format!(
"Failed to open editor: {err}",
)));
self.reset_external_editor_state(tui);
return;
}
};
let seed = self.chat_widget.composer_text_with_pending();
let editor_result = tui
.with_restored(tui::RestoreMode::KeepRaw, || async {
external_editor::run_editor(&seed, &editor_cmd).await
})
.await;
self.reset_external_editor_state(tui);
match editor_result {
Ok(new_text) => {
// Trim trailing whitespace
let cleaned = new_text.trim_end().to_string();
self.chat_widget.apply_external_edit(cleaned);
}
Err(err) => {
self.chat_widget
.add_to_history(history_cell::new_error_event(format!(
"Failed to open editor: {err}",
)));
}
}
tui.frame_requester().schedule_frame();
}
fn request_external_editor_launch(&mut self, tui: &mut tui::Tui) {
self.chat_widget
.set_external_editor_state(ExternalEditorState::Requested);
self.chat_widget.set_footer_hint_override(Some(vec![(
EXTERNAL_EDITOR_HINT.to_string(),
String::new(),
)]));
tui.frame_requester().schedule_frame();
}
fn reset_external_editor_state(&mut self, tui: &mut tui::Tui) {
self.chat_widget
.set_external_editor_state(ExternalEditorState::Closed);
self.chat_widget.set_footer_hint_override(None);
tui.frame_requester().schedule_frame();
}
async fn handle_key_event(&mut self, tui: &mut tui::Tui, key_event: KeyEvent) {
match key_event {
KeyEvent {
code: KeyCode::Char('t'),
modifiers: crossterm::event::KeyModifiers::CONTROL,
kind: KeyEventKind::Press,
..
} => {
// Enter alternate screen and set viewport to full size.
let _ = tui.enter_alt_screen();
self.overlay = Some(Overlay::new_transcript(self.transcript_cells.clone()));
tui.frame_requester().schedule_frame();
}
KeyEvent {
code: KeyCode::Char('g'),
modifiers: crossterm::event::KeyModifiers::CONTROL,
kind: KeyEventKind::Press,
..
} => {
// Only launch the external editor if there is no overlay and the bottom pane is not in use.
// Note that it can be launched while a task is running to enable editing while the previous turn is ongoing.
if self.overlay.is_none()
&& self.chat_widget.can_launch_external_editor()
&& self.chat_widget.external_editor_state() == ExternalEditorState::Closed
{
self.request_external_editor_launch(tui);
}
}
// Esc primes/advances backtracking only in normal (not working) mode
// with the composer focused and empty. In any other state, forward
// Esc so the active UI (e.g. status indicator, modals, popups)
// handles it.
KeyEvent {
code: KeyCode::Esc,
kind: KeyEventKind::Press | KeyEventKind::Repeat,
..
} => {
if self.chat_widget.is_normal_backtrack_mode()
&& self.chat_widget.composer_is_empty()
{
self.handle_backtrack_esc_key(tui);
} else {
self.chat_widget.handle_key_event(key_event);
}
}
// Enter confirms backtrack when primed + count > 0. Otherwise pass to widget.
KeyEvent {
code: KeyCode::Enter,
kind: KeyEventKind::Press,
..
} if self.backtrack.primed
&& self.backtrack.nth_user_message != usize::MAX
&& self.chat_widget.composer_is_empty() =>
{
// Delegate to helper for clarity; preserves behavior.
self.confirm_backtrack_from_main();
}
KeyEvent {
kind: KeyEventKind::Press | KeyEventKind::Repeat,
..
} => {
// Any non-Esc key press should cancel a primed backtrack.
// This avoids stale "Esc-primed" state after the user starts typing
// (even if they later backspace to empty).
if key_event.code != KeyCode::Esc && self.backtrack.primed {
self.reset_backtrack_state();
}
self.chat_widget.handle_key_event(key_event);
}
_ => {
// Ignore Release key events.
}
};
}
#[cfg(target_os = "windows")]
fn spawn_world_writable_scan(
cwd: PathBuf,
env_map: std::collections::HashMap<String, String>,
logs_base_dir: PathBuf,
sandbox_policy: codex_core::protocol::SandboxPolicy,
tx: AppEventSender,
) {
tokio::task::spawn_blocking(move || {
let result = codex_windows_sandbox::apply_world_writable_scan_and_denies(
&logs_base_dir,
&cwd,
&env_map,
&sandbox_policy,
Some(logs_base_dir.as_path()),
);
if result.is_err() {
// Scan failed: warn without examples.
tx.send(AppEvent::OpenWorldWritableWarningConfirmation {
preset: None,
sample_paths: Vec::new(),
extra_count: 0usize,
failed_scan: true,
});
}
});
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::app_backtrack::BacktrackState;
use crate::app_backtrack::user_count;
use crate::chatwidget::tests::make_chatwidget_manual_with_sender;
use crate::file_search::FileSearchManager;
use crate::history_cell::AgentMessageCell;
use crate::history_cell::HistoryCell;
use crate::history_cell::UserHistoryCell;
use crate::history_cell::new_session_info;
use codex_core::AuthManager;
use codex_core::CodexAuth;
use codex_core::ThreadManager;
use codex_core::config::ConfigBuilder;
use codex_core::protocol::AskForApproval;
use codex_core::protocol::Event;
use codex_core::protocol::EventMsg;
use codex_core::protocol::SandboxPolicy;
use codex_core::protocol::SessionConfiguredEvent;
use codex_protocol::ThreadId;
use insta::assert_snapshot;
use ratatui::prelude::Line;
use std::path::PathBuf;
use std::sync::Arc;
use std::sync::atomic::AtomicBool;
use tempfile::tempdir;
async fn make_test_app() -> App {
let (chat_widget, app_event_tx, _rx, _op_rx) = make_chatwidget_manual_with_sender().await;
let config = chat_widget.config_ref().clone();
let current_model = "gpt-5.2-codex".to_string();
let server = Arc::new(ThreadManager::with_models_provider(
CodexAuth::from_api_key("Test API Key"),
config.model_provider.clone(),
));
let auth_manager =
AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
let file_search = FileSearchManager::new(config.cwd.clone(), app_event_tx.clone());
App {
server,
app_event_tx,
chat_widget,
auth_manager,
config,
current_model,
active_profile: None,
file_search,
transcript_cells: Vec::new(),
overlay: None,
deferred_history_lines: Vec::new(),
has_emitted_history_lines: false,
enhanced_keys_supported: false,
commit_anim_running: Arc::new(AtomicBool::new(false)),
backtrack: BacktrackState::default(),
feedback: codex_feedback::CodexFeedback::new(),
pending_update_action: None,
suppress_shutdown_complete: false,
skip_world_writable_scan_once: false,
}
}
async fn make_test_app_with_channels() -> (
App,
tokio::sync::mpsc::UnboundedReceiver<AppEvent>,
tokio::sync::mpsc::UnboundedReceiver<Op>,
) {
let (chat_widget, app_event_tx, rx, op_rx) = make_chatwidget_manual_with_sender().await;
let config = chat_widget.config_ref().clone();
let current_model = "gpt-5.2-codex".to_string();
let server = Arc::new(ThreadManager::with_models_provider(
CodexAuth::from_api_key("Test API Key"),
config.model_provider.clone(),
));
let auth_manager =
AuthManager::from_auth_for_testing(CodexAuth::from_api_key("Test API Key"));
let file_search = FileSearchManager::new(config.cwd.clone(), app_event_tx.clone());
(
App {
server,
app_event_tx,
chat_widget,
auth_manager,
config,
current_model,
active_profile: None,
file_search,
transcript_cells: Vec::new(),
overlay: None,
deferred_history_lines: Vec::new(),
has_emitted_history_lines: false,
enhanced_keys_supported: false,
commit_anim_running: Arc::new(AtomicBool::new(false)),
backtrack: BacktrackState::default(),
feedback: codex_feedback::CodexFeedback::new(),
pending_update_action: None,
suppress_shutdown_complete: false,
skip_world_writable_scan_once: false,
},
rx,
op_rx,
)
}
fn all_model_presets() -> Vec<ModelPreset> {
codex_core::models_manager::model_presets::all_model_presets().clone()
}
fn model_migration_copy_to_plain_text(
copy: &crate::model_migration::ModelMigrationCopy,
) -> String {
let mut s = String::new();
for span in &copy.heading {
s.push_str(&span.content);
}
s.push('\n');
s.push('\n');
for line in &copy.content {
for span in &line.spans {
s.push_str(&span.content);
}
s.push('\n');
}
s
}
#[tokio::test]
async fn model_migration_prompt_only_shows_for_deprecated_models() {
let seen = BTreeMap::new();
assert!(should_show_model_migration_prompt(
"gpt-5",
"gpt-5.1",
&seen,
&all_model_presets()
));
assert!(should_show_model_migration_prompt(
"gpt-5-codex",
"gpt-5.1-codex",
&seen,
&all_model_presets()
));
assert!(should_show_model_migration_prompt(
"gpt-5-codex-mini",
"gpt-5.1-codex-mini",
&seen,
&all_model_presets()
));
assert!(should_show_model_migration_prompt(
"gpt-5.1-codex",
"gpt-5.1-codex-max",
&seen,
&all_model_presets()
));
assert!(!should_show_model_migration_prompt(
"gpt-5.1-codex",
"gpt-5.1-codex",
&seen,
&all_model_presets()
));
}
#[tokio::test]
async fn model_migration_prompt_respects_hide_flag_and_self_target() {
let mut seen = BTreeMap::new();
seen.insert("gpt-5".to_string(), "gpt-5.1".to_string());
assert!(!should_show_model_migration_prompt(
"gpt-5",
"gpt-5.1",
&seen,
&all_model_presets()
));
assert!(!should_show_model_migration_prompt(
"gpt-5.1",
"gpt-5.1",
&seen,
&all_model_presets()
));
}
#[tokio::test]
async fn model_migration_prompt_skips_when_target_missing() {
let mut available = all_model_presets();
let mut current = available
.iter()
.find(|preset| preset.model == "gpt-5-codex")
.cloned()
.expect("preset present");
current.upgrade = Some(ModelUpgrade {
id: "missing-target".to_string(),
reasoning_effort_mapping: None,
migration_config_key: HIDE_GPT5_1_MIGRATION_PROMPT_CONFIG.to_string(),
model_link: None,
upgrade_copy: None,
});
available.retain(|preset| preset.model != "gpt-5-codex");
available.push(current.clone());
assert!(should_show_model_migration_prompt(
&current.model,
"missing-target",
&BTreeMap::new(),
&available,
));
assert!(target_preset_for_upgrade(&available, "missing-target").is_none());
}
#[tokio::test]
async fn model_migration_prompt_shows_for_hidden_model() {
let codex_home = tempdir().expect("temp codex home");
let config = ConfigBuilder::default()
.codex_home(codex_home.path().to_path_buf())
.build()
.await
.expect("config");
let available_models = all_model_presets();
let current = available_models
.iter()
.find(|preset| preset.model == "gpt-5.1-codex")
.cloned()
.expect("gpt-5.1-codex preset present");
assert!(
!current.show_in_picker,
"expected gpt-5.1-codex to be hidden from picker for this test"
);
let upgrade = current.upgrade.as_ref().expect("upgrade configured");
assert!(
should_show_model_migration_prompt(
&current.model,
&upgrade.id,
&config.notices.model_migrations,
&available_models,
),
"expected migration prompt to be eligible for hidden model"
);
let target = target_preset_for_upgrade(&available_models, &upgrade.id)
.expect("upgrade target present");
let target_description =
(!target.description.is_empty()).then(|| target.description.clone());
let can_opt_out = true;
let copy = migration_copy_for_models(
&current.model,
&upgrade.id,
upgrade.model_link.clone(),
upgrade.upgrade_copy.clone(),
target.display_name.clone(),
target_description,
can_opt_out,
);
// Snapshot the copy we would show; rendering is covered by model_migration snapshots.
assert_snapshot!(
"model_migration_prompt_shows_for_hidden_model",
model_migration_copy_to_plain_text(&copy)
);
}
#[tokio::test]
async fn update_reasoning_effort_updates_config() {
let mut app = make_test_app().await;
app.config.model_reasoning_effort = Some(ReasoningEffortConfig::Medium);
app.chat_widget
.set_reasoning_effort(Some(ReasoningEffortConfig::Medium));
app.on_update_reasoning_effort(Some(ReasoningEffortConfig::High));
assert_eq!(
app.config.model_reasoning_effort,
Some(ReasoningEffortConfig::High)
);
assert_eq!(
app.chat_widget.config_ref().model_reasoning_effort,
Some(ReasoningEffortConfig::High)
);
}
#[tokio::test]
async fn backtrack_selection_with_duplicate_history_targets_unique_turn() {
let mut app = make_test_app().await;
let user_cell = |text: &str| -> Arc<dyn HistoryCell> {
Arc::new(UserHistoryCell {
message: text.to_string(),
}) as Arc<dyn HistoryCell>
};
let agent_cell = |text: &str| -> Arc<dyn HistoryCell> {
Arc::new(AgentMessageCell::new(
vec![Line::from(text.to_string())],
true,
)) as Arc<dyn HistoryCell>
};
let make_header = |is_first| {
let event = SessionConfiguredEvent {
session_id: ThreadId::new(),
model: "gpt-test".to_string(),
model_provider_id: "test-provider".to_string(),
approval_policy: AskForApproval::Never,
sandbox_policy: SandboxPolicy::ReadOnly,
cwd: PathBuf::from("/home/user/project"),
reasoning_effort: None,
history_log_id: 0,
history_entry_count: 0,
initial_messages: None,
rollout_path: PathBuf::new(),
};
Arc::new(new_session_info(
app.chat_widget.config_ref(),
app.current_model.as_str(),
event,
is_first,
)) as Arc<dyn HistoryCell>
};
// Simulate the transcript after trimming for a fork, replaying history, and
// appending the edited turn. The session header separates the retained history
// from the forked thread's replayed turns.
app.transcript_cells = vec![
make_header(true),
user_cell("first question"),
agent_cell("answer first"),
user_cell("follow-up"),
agent_cell("answer follow-up"),
make_header(false),
user_cell("first question"),
agent_cell("answer first"),
user_cell("follow-up (edited)"),
agent_cell("answer edited"),
];
assert_eq!(user_count(&app.transcript_cells), 2);
app.backtrack.base_id = Some(ThreadId::new());
app.backtrack.primed = true;
app.backtrack.nth_user_message = user_count(&app.transcript_cells).saturating_sub(1);
app.confirm_backtrack_from_main();
let (_, nth, prefill) = app.backtrack.pending.clone().expect("pending backtrack");
assert_eq!(nth, 1);
assert_eq!(prefill, "follow-up (edited)");
}
#[tokio::test]
async fn new_session_requests_shutdown_for_previous_conversation() {
let (mut app, mut app_event_rx, mut op_rx) = make_test_app_with_channels().await;
let thread_id = ThreadId::new();
let event = SessionConfiguredEvent {
session_id: thread_id,
model: "gpt-test".to_string(),
model_provider_id: "test-provider".to_string(),
approval_policy: AskForApproval::Never,
sandbox_policy: SandboxPolicy::ReadOnly,
cwd: PathBuf::from("/home/user/project"),
reasoning_effort: None,
history_log_id: 0,
history_entry_count: 0,
initial_messages: None,
rollout_path: PathBuf::new(),
};
app.chat_widget.handle_codex_event(Event {
id: String::new(),
msg: EventMsg::SessionConfigured(event),
});
while app_event_rx.try_recv().is_ok() {}
while op_rx.try_recv().is_ok() {}
app.shutdown_current_thread().await;
match op_rx.try_recv() {
Ok(Op::Shutdown) => {}
Ok(other) => panic!("expected Op::Shutdown, got {other:?}"),
Err(_) => panic!("expected shutdown op to be sent"),
}
}
#[tokio::test]
async fn session_summary_skip_zero_usage() {
assert!(session_summary(TokenUsage::default(), None).is_none());
}
#[tokio::test]
async fn session_summary_includes_resume_hint() {
let usage = TokenUsage {
input_tokens: 10,
output_tokens: 2,
total_tokens: 12,
..Default::default()
};
let conversation = ThreadId::from_string("123e4567-e89b-12d3-a456-426614174000").unwrap();
let summary = session_summary(usage, Some(conversation)).expect("summary");
assert_eq!(
summary.usage_line,
"Token usage: total=12 input=10 output=2"
);
assert_eq!(
summary.resume_command,
Some("codex resume 123e4567-e89b-12d3-a456-426614174000".to_string())
);
}
}