connection_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentSessionInfo, AgentThreadEntry, AssistantMessage,
   3    AssistantMessageChunk, AuthRequired, LoadError, MentionUri, PermissionOptionChoice,
   4    PermissionOptions, RetryStatus, ThreadStatus, ToolCall, ToolCallContent, ToolCallStatus,
   5    UserMessageId,
   6};
   7use acp_thread::{AgentConnection, Plan};
   8use action_log::{ActionLog, ActionLogTelemetry};
   9use agent::{NativeAgentServer, NativeAgentSessionList, SharedThread, ThreadStore};
  10use agent_client_protocol::{self as acp, PromptCapabilities};
  11use agent_servers::AgentServer;
  12#[cfg(test)]
  13use agent_servers::AgentServerDelegate;
  14use agent_settings::{AgentProfileId, AgentSettings};
  15use anyhow::{Result, anyhow};
  16use arrayvec::ArrayVec;
  17use audio::{Audio, Sound};
  18use buffer_diff::BufferDiff;
  19use client::zed_urls;
  20use collections::{HashMap, HashSet, IndexMap};
  21use editor::scroll::Autoscroll;
  22use editor::{
  23    Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects, SizingBehavior,
  24};
  25use feature_flags::{AgentSharingFeatureFlag, AgentV2FeatureFlag, FeatureFlagAppExt as _};
  26use file_icons::FileIcons;
  27use fs::Fs;
  28use futures::FutureExt as _;
  29use gpui::{
  30    Action, Animation, AnimationExt, AnyView, App, ClickEvent, ClipboardItem, CursorStyle,
  31    ElementId, Empty, Entity, EventEmitter, FocusHandle, Focusable, Hsla, ListOffset, ListState,
  32    ObjectFit, PlatformDisplay, ScrollHandle, SharedString, Subscription, Task, TextStyle,
  33    WeakEntity, Window, WindowHandle, div, ease_in_out, img, linear_color_stop, linear_gradient,
  34    list, point, pulsating_between,
  35};
  36use language::Buffer;
  37use language_model::LanguageModelRegistry;
  38use markdown::{Markdown, MarkdownElement, MarkdownFont, MarkdownStyle};
  39use project::{AgentServerStore, ExternalAgentServerName, Project, ProjectEntryId};
  40use prompt_store::{PromptId, PromptStore};
  41use rope::Point;
  42use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  43use std::cell::RefCell;
  44use std::path::{Path, PathBuf};
  45use std::sync::Arc;
  46use std::time::Instant;
  47use std::{collections::BTreeMap, rc::Rc, time::Duration};
  48use terminal_view::terminal_panel::TerminalPanel;
  49use text::{Anchor, ToPoint as _};
  50use theme::AgentFontSize;
  51use ui::{
  52    Callout, CircularProgress, CommonAnimationExt, ContextMenu, ContextMenuEntry, CopyButton,
  53    DecoratedIcon, DiffStat, Disclosure, Divider, DividerColor, IconDecoration, IconDecorationKind,
  54    KeyBinding, PopoverMenu, PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar,
  55    prelude::*, right_click_menu,
  56};
  57use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  58use util::{debug_panic, defer};
  59use workspace::{
  60    CollaboratorId, MultiWorkspace, NewTerminal, Toast, Workspace, notifications::NotificationId,
  61};
  62use zed_actions::agent::{Chat, ToggleModelSelector};
  63use zed_actions::assistant::OpenRulesLibrary;
  64
  65use super::config_options::ConfigOptionsView;
  66use super::entry_view_state::EntryViewState;
  67use super::thread_history::ThreadHistory;
  68use crate::ModeSelector;
  69use crate::ModelSelectorPopover;
  70use crate::agent_connection_store::{AgentConnectionStore, ConnectionEntryEvent};
  71use crate::agent_diff::AgentDiff;
  72use crate::entry_view_state::{EntryViewEvent, ViewEvent};
  73use crate::message_editor::{MessageEditor, MessageEditorEvent};
  74use crate::profile_selector::{ProfileProvider, ProfileSelector};
  75use crate::ui::{AgentNotification, AgentNotificationEvent};
  76use crate::{
  77    AgentDiffPane, AgentInitialContent, AgentPanel, AllowAlways, AllowOnce, AuthorizeToolCall,
  78    ClearMessageQueue, CycleFavoriteModels, CycleModeSelector, CycleThinkingEffort,
  79    EditFirstQueuedMessage, ExpandMessageEditor, ExternalAgent, Follow, KeepAll, NewThread,
  80    OpenAddContextMenu, OpenAgentDiff, OpenHistory, RejectAll, RejectOnce,
  81    RemoveFirstQueuedMessage, SendImmediately, SendNextQueuedMessage, ToggleFastMode,
  82    ToggleProfileSelector, ToggleThinkingEffortMenu, ToggleThinkingMode, UndoLastReject,
  83};
  84
  85const STOPWATCH_THRESHOLD: Duration = Duration::from_secs(30);
  86const TOKEN_THRESHOLD: u64 = 250;
  87
  88mod thread_view;
  89pub use thread_view::*;
  90
  91pub struct QueuedMessage {
  92    pub content: Vec<acp::ContentBlock>,
  93    pub tracked_buffers: Vec<Entity<Buffer>>,
  94}
  95
  96#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  97enum ThreadFeedback {
  98    Positive,
  99    Negative,
 100}
 101
 102#[derive(Debug)]
 103pub(crate) enum ThreadError {
 104    PaymentRequired,
 105    Refusal,
 106    AuthenticationRequired(SharedString),
 107    Other {
 108        message: SharedString,
 109        acp_error_code: Option<SharedString>,
 110    },
 111}
 112
 113impl From<anyhow::Error> for ThreadError {
 114    fn from(error: anyhow::Error) -> Self {
 115        if error.is::<language_model::PaymentRequiredError>() {
 116            Self::PaymentRequired
 117        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 118            && acp_error.code == acp::ErrorCode::AuthRequired
 119        {
 120            Self::AuthenticationRequired(acp_error.message.clone().into())
 121        } else {
 122            let message: SharedString = format!("{:#}", error).into();
 123
 124            // Extract ACP error code if available
 125            let acp_error_code = error
 126                .downcast_ref::<acp::Error>()
 127                .map(|acp_error| SharedString::from(acp_error.code.to_string()));
 128
 129            Self::Other {
 130                message,
 131                acp_error_code,
 132            }
 133        }
 134    }
 135}
 136
 137impl ProfileProvider for Entity<agent::Thread> {
 138    fn profile_id(&self, cx: &App) -> AgentProfileId {
 139        self.read(cx).profile().clone()
 140    }
 141
 142    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 143        self.update(cx, |thread, cx| {
 144            // Apply the profile and let the thread swap to its default model.
 145            thread.set_profile(profile_id, cx);
 146        });
 147    }
 148
 149    fn profiles_supported(&self, cx: &App) -> bool {
 150        self.read(cx)
 151            .model()
 152            .is_some_and(|model| model.supports_tools())
 153    }
 154}
 155
 156#[derive(Default)]
 157pub(crate) struct Conversation {
 158    threads: HashMap<acp::SessionId, Entity<AcpThread>>,
 159    permission_requests: IndexMap<acp::SessionId, Vec<acp::ToolCallId>>,
 160    subscriptions: Vec<Subscription>,
 161    /// Tracks the selected granularity index for each tool call's permission dropdown.
 162    /// The index corresponds to the position in the allow_options list.
 163    selected_permission_granularity: HashMap<acp::SessionId, HashMap<acp::ToolCallId, usize>>,
 164}
 165
 166impl Conversation {
 167    pub fn register_thread(&mut self, thread: Entity<AcpThread>, cx: &mut Context<Self>) {
 168        let session_id = thread.read(cx).session_id().clone();
 169        let subscription = cx.subscribe(&thread, move |this, _thread, event, _cx| match event {
 170            AcpThreadEvent::ToolAuthorizationRequested(id) => {
 171                this.permission_requests
 172                    .entry(session_id.clone())
 173                    .or_default()
 174                    .push(id.clone());
 175            }
 176            AcpThreadEvent::ToolAuthorizationReceived(id) => {
 177                if let Some(tool_calls) = this.permission_requests.get_mut(&session_id) {
 178                    tool_calls.retain(|tool_call_id| tool_call_id != id);
 179                    if tool_calls.is_empty() {
 180                        this.permission_requests.shift_remove(&session_id);
 181                    }
 182                }
 183            }
 184            AcpThreadEvent::NewEntry
 185            | AcpThreadEvent::TitleUpdated
 186            | AcpThreadEvent::TokenUsageUpdated
 187            | AcpThreadEvent::EntryUpdated(_)
 188            | AcpThreadEvent::EntriesRemoved(_)
 189            | AcpThreadEvent::Retry(_)
 190            | AcpThreadEvent::SubagentSpawned(_)
 191            | AcpThreadEvent::Stopped(_)
 192            | AcpThreadEvent::Error
 193            | AcpThreadEvent::LoadError(_)
 194            | AcpThreadEvent::PromptCapabilitiesUpdated
 195            | AcpThreadEvent::Refusal
 196            | AcpThreadEvent::AvailableCommandsUpdated(_)
 197            | AcpThreadEvent::ModeUpdated(_)
 198            | AcpThreadEvent::ConfigOptionsUpdated(_) => {}
 199        });
 200        self.subscriptions.push(subscription);
 201        self.threads
 202            .insert(thread.read(cx).session_id().clone(), thread);
 203    }
 204
 205    pub fn selected_permission_granularity(
 206        &self,
 207        session_id: &acp::SessionId,
 208        tool_call_id: &acp::ToolCallId,
 209    ) -> Option<usize> {
 210        self.selected_permission_granularity
 211            .get(session_id)
 212            .and_then(|map| map.get(tool_call_id))
 213            .copied()
 214    }
 215
 216    pub fn set_selected_permission_granularity(
 217        &mut self,
 218        session_id: acp::SessionId,
 219        tool_call_id: acp::ToolCallId,
 220        granularity: usize,
 221    ) {
 222        self.selected_permission_granularity
 223            .entry(session_id)
 224            .or_default()
 225            .insert(tool_call_id, granularity);
 226    }
 227
 228    pub fn pending_tool_call<'a>(
 229        &'a self,
 230        session_id: &acp::SessionId,
 231        cx: &'a App,
 232    ) -> Option<(acp::SessionId, acp::ToolCallId, &'a PermissionOptions)> {
 233        let thread = self.threads.get(session_id)?;
 234        let is_subagent = thread.read(cx).parent_session_id().is_some();
 235        let (thread, tool_id) = if is_subagent {
 236            let id = self.permission_requests.get(session_id)?.iter().next()?;
 237            (thread, id)
 238        } else {
 239            let (id, tool_calls) = self.permission_requests.first()?;
 240            let thread = self.threads.get(id)?;
 241            let id = tool_calls.iter().next()?;
 242            (thread, id)
 243        };
 244        let (_, tool_call) = thread.read(cx).tool_call(tool_id)?;
 245
 246        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
 247            return None;
 248        };
 249        Some((
 250            thread.read(cx).session_id().clone(),
 251            tool_id.clone(),
 252            options,
 253        ))
 254    }
 255
 256    pub fn authorize_pending_tool_call(
 257        &mut self,
 258        session_id: &acp::SessionId,
 259        kind: acp::PermissionOptionKind,
 260        cx: &mut Context<Self>,
 261    ) -> Option<()> {
 262        let (_, tool_call_id, options) = self.pending_tool_call(session_id, cx)?;
 263        let option = options.first_option_of_kind(kind)?;
 264        self.authorize_tool_call(
 265            session_id.clone(),
 266            tool_call_id,
 267            option.option_id.clone(),
 268            option.kind,
 269            cx,
 270        );
 271        Some(())
 272    }
 273
 274    pub fn authorize_tool_call(
 275        &mut self,
 276        session_id: acp::SessionId,
 277        tool_call_id: acp::ToolCallId,
 278        option_id: acp::PermissionOptionId,
 279        option_kind: acp::PermissionOptionKind,
 280        cx: &mut Context<Self>,
 281    ) {
 282        let Some(thread) = self.threads.get(&session_id) else {
 283            return;
 284        };
 285        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 286
 287        telemetry::event!(
 288            "Agent Tool Call Authorized",
 289            agent = agent_telemetry_id,
 290            session = session_id,
 291            option = option_kind
 292        );
 293
 294        thread.update(cx, |thread, cx| {
 295            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
 296        });
 297        cx.notify();
 298    }
 299}
 300
 301pub enum AcpServerViewEvent {
 302    ActiveThreadChanged,
 303}
 304
 305impl EventEmitter<AcpServerViewEvent> for ConnectionView {}
 306
 307pub struct ConnectionView {
 308    agent: Rc<dyn AgentServer>,
 309    connection_store: Entity<AgentConnectionStore>,
 310    connection_key: ExternalAgent,
 311    agent_server_store: Entity<AgentServerStore>,
 312    workspace: WeakEntity<Workspace>,
 313    project: Entity<Project>,
 314    thread_store: Option<Entity<ThreadStore>>,
 315    prompt_store: Option<Entity<PromptStore>>,
 316    server_state: ServerState,
 317    history: Entity<ThreadHistory>,
 318    focus_handle: FocusHandle,
 319    notifications: Vec<WindowHandle<AgentNotification>>,
 320    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 321    auth_task: Option<Task<()>>,
 322    _subscriptions: Vec<Subscription>,
 323}
 324
 325impl ConnectionView {
 326    pub fn has_auth_methods(&self) -> bool {
 327        self.as_connected().map_or(false, |connected| {
 328            !connected.connection.auth_methods().is_empty()
 329        })
 330    }
 331
 332    pub fn active_thread(&self) -> Option<&Entity<ThreadView>> {
 333        match &self.server_state {
 334            ServerState::Connected(connected) => connected.active_view(),
 335            _ => None,
 336        }
 337    }
 338
 339    pub fn pending_tool_call<'a>(
 340        &'a self,
 341        cx: &'a App,
 342    ) -> Option<(acp::SessionId, acp::ToolCallId, &'a PermissionOptions)> {
 343        let id = &self.active_thread()?.read(cx).id;
 344        self.as_connected()?
 345            .conversation
 346            .read(cx)
 347            .pending_tool_call(id, cx)
 348    }
 349
 350    pub fn parent_thread(&self, cx: &App) -> Option<Entity<ThreadView>> {
 351        match &self.server_state {
 352            ServerState::Connected(connected) => {
 353                let mut current = connected.active_view()?;
 354                while let Some(parent_id) = current.read(cx).parent_id.clone() {
 355                    if let Some(parent) = connected.threads.get(&parent_id) {
 356                        current = parent;
 357                    } else {
 358                        break;
 359                    }
 360                }
 361                Some(current.clone())
 362            }
 363            _ => None,
 364        }
 365    }
 366
 367    pub fn thread_view(&self, session_id: &acp::SessionId) -> Option<Entity<ThreadView>> {
 368        let connected = self.as_connected()?;
 369        connected.threads.get(session_id).cloned()
 370    }
 371
 372    pub fn as_connected(&self) -> Option<&ConnectedServerState> {
 373        match &self.server_state {
 374            ServerState::Connected(connected) => Some(connected),
 375            _ => None,
 376        }
 377    }
 378
 379    pub fn as_connected_mut(&mut self) -> Option<&mut ConnectedServerState> {
 380        match &mut self.server_state {
 381            ServerState::Connected(connected) => Some(connected),
 382            _ => None,
 383        }
 384    }
 385
 386    pub fn navigate_to_session(
 387        &mut self,
 388        session_id: acp::SessionId,
 389        window: &mut Window,
 390        cx: &mut Context<Self>,
 391    ) {
 392        let Some(connected) = self.as_connected_mut() else {
 393            return;
 394        };
 395
 396        connected.navigate_to_session(session_id);
 397        if let Some(view) = self.active_thread() {
 398            view.focus_handle(cx).focus(window, cx);
 399        }
 400        cx.emit(AcpServerViewEvent::ActiveThreadChanged);
 401        cx.notify();
 402    }
 403}
 404
 405enum ServerState {
 406    Loading(Entity<LoadingView>),
 407    LoadError {
 408        error: LoadError,
 409        session_id: Option<acp::SessionId>,
 410    },
 411    Connected(ConnectedServerState),
 412}
 413
 414// current -> Entity
 415// hashmap of threads, current becomes session_id
 416pub struct ConnectedServerState {
 417    auth_state: AuthState,
 418    active_id: Option<acp::SessionId>,
 419    threads: HashMap<acp::SessionId, Entity<ThreadView>>,
 420    connection: Rc<dyn AgentConnection>,
 421    conversation: Entity<Conversation>,
 422    _connection_entry_subscription: Subscription,
 423}
 424
 425enum AuthState {
 426    Ok,
 427    Unauthenticated {
 428        description: Option<Entity<Markdown>>,
 429        configuration_view: Option<AnyView>,
 430        pending_auth_method: Option<acp::AuthMethodId>,
 431        _subscription: Option<Subscription>,
 432    },
 433}
 434
 435impl AuthState {
 436    pub fn is_ok(&self) -> bool {
 437        matches!(self, Self::Ok)
 438    }
 439}
 440
 441struct LoadingView {
 442    session_id: Option<acp::SessionId>,
 443    _load_task: Task<()>,
 444}
 445
 446impl ConnectedServerState {
 447    pub fn active_view(&self) -> Option<&Entity<ThreadView>> {
 448        self.active_id.as_ref().and_then(|id| self.threads.get(id))
 449    }
 450
 451    pub fn has_thread_error(&self, cx: &App) -> bool {
 452        self.active_view()
 453            .map_or(false, |view| view.read(cx).thread_error.is_some())
 454    }
 455
 456    pub fn navigate_to_session(&mut self, session_id: acp::SessionId) {
 457        if self.threads.contains_key(&session_id) {
 458            self.active_id = Some(session_id);
 459        }
 460    }
 461
 462    pub fn close_all_sessions(&self, cx: &mut App) -> Task<()> {
 463        let tasks = self
 464            .threads
 465            .keys()
 466            .map(|id| self.connection.close_session(id, cx));
 467        let task = futures::future::join_all(tasks);
 468        cx.background_spawn(async move {
 469            task.await;
 470        })
 471    }
 472}
 473
 474impl ConnectionView {
 475    pub fn new(
 476        agent: Rc<dyn AgentServer>,
 477        connection_store: Entity<AgentConnectionStore>,
 478        connection_key: ExternalAgent,
 479        resume_session_id: Option<acp::SessionId>,
 480        cwd: Option<PathBuf>,
 481        title: Option<SharedString>,
 482        initial_content: Option<AgentInitialContent>,
 483        workspace: WeakEntity<Workspace>,
 484        project: Entity<Project>,
 485        thread_store: Option<Entity<ThreadStore>>,
 486        prompt_store: Option<Entity<PromptStore>>,
 487        history: Entity<ThreadHistory>,
 488        window: &mut Window,
 489        cx: &mut Context<Self>,
 490    ) -> Self {
 491        let agent_server_store = project.read(cx).agent_server_store().clone();
 492        let subscriptions = vec![
 493            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 494            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 495            cx.subscribe_in(
 496                &agent_server_store,
 497                window,
 498                Self::handle_agent_servers_updated,
 499            ),
 500        ];
 501
 502        cx.on_release(|this, cx| {
 503            if let Some(connected) = this.as_connected() {
 504                connected.close_all_sessions(cx).detach();
 505            }
 506            for window in this.notifications.drain(..) {
 507                window
 508                    .update(cx, |_, window, _| {
 509                        window.remove_window();
 510                    })
 511                    .ok();
 512            }
 513        })
 514        .detach();
 515
 516        Self {
 517            agent: agent.clone(),
 518            connection_store: connection_store.clone(),
 519            connection_key: connection_key.clone(),
 520            agent_server_store,
 521            workspace,
 522            project: project.clone(),
 523            thread_store,
 524            prompt_store,
 525            server_state: Self::initial_state(
 526                agent.clone(),
 527                connection_store,
 528                connection_key,
 529                resume_session_id,
 530                cwd,
 531                title,
 532                project,
 533                initial_content,
 534                window,
 535                cx,
 536            ),
 537            notifications: Vec::new(),
 538            notification_subscriptions: HashMap::default(),
 539            auth_task: None,
 540            history,
 541            _subscriptions: subscriptions,
 542            focus_handle: cx.focus_handle(),
 543        }
 544    }
 545
 546    fn set_server_state(&mut self, state: ServerState, cx: &mut Context<Self>) {
 547        if let Some(connected) = self.as_connected() {
 548            connected.close_all_sessions(cx).detach();
 549        }
 550
 551        self.server_state = state;
 552        cx.emit(AcpServerViewEvent::ActiveThreadChanged);
 553        cx.notify();
 554    }
 555
 556    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 557        let (resume_session_id, cwd, title) = self
 558            .active_thread()
 559            .map(|thread_view| {
 560                let thread = thread_view.read(cx).thread.read(cx);
 561                (
 562                    Some(thread.session_id().clone()),
 563                    thread.cwd().cloned(),
 564                    Some(thread.title()),
 565                )
 566            })
 567            .unwrap_or((None, None, None));
 568
 569        let state = Self::initial_state(
 570            self.agent.clone(),
 571            self.connection_store.clone(),
 572            self.connection_key.clone(),
 573            resume_session_id,
 574            cwd,
 575            title,
 576            self.project.clone(),
 577            None,
 578            window,
 579            cx,
 580        );
 581        self.set_server_state(state, cx);
 582
 583        if let Some(view) = self.active_thread() {
 584            view.update(cx, |this, cx| {
 585                this.message_editor.update(cx, |editor, cx| {
 586                    editor.set_command_state(
 587                        this.prompt_capabilities.clone(),
 588                        this.available_commands.clone(),
 589                        cx,
 590                    );
 591                });
 592            });
 593        }
 594        cx.notify();
 595    }
 596
 597    fn initial_state(
 598        agent: Rc<dyn AgentServer>,
 599        connection_store: Entity<AgentConnectionStore>,
 600        connection_key: ExternalAgent,
 601        resume_session_id: Option<acp::SessionId>,
 602        cwd: Option<PathBuf>,
 603        title: Option<SharedString>,
 604        project: Entity<Project>,
 605        initial_content: Option<AgentInitialContent>,
 606        window: &mut Window,
 607        cx: &mut Context<Self>,
 608    ) -> ServerState {
 609        if project.read(cx).is_via_collab()
 610            && agent.clone().downcast::<NativeAgentServer>().is_none()
 611        {
 612            return ServerState::LoadError {
 613                error: LoadError::Other(
 614                    "External agents are not yet supported in shared projects.".into(),
 615                ),
 616                session_id: resume_session_id.clone(),
 617            };
 618        }
 619        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 620        // Pick the first non-single-file worktree for the root directory if there are any,
 621        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 622        worktrees.sort_by(|l, r| {
 623            l.read(cx)
 624                .is_single_file()
 625                .cmp(&r.read(cx).is_single_file())
 626        });
 627        let worktree_roots: Vec<Arc<Path>> = worktrees
 628            .iter()
 629            .filter_map(|worktree| {
 630                let worktree = worktree.read(cx);
 631                if worktree.is_single_file() {
 632                    Some(worktree.abs_path().parent()?.into())
 633                } else {
 634                    Some(worktree.abs_path())
 635                }
 636            })
 637            .collect();
 638        let session_cwd = cwd
 639            .filter(|cwd| {
 640                // Validate with the normalized path (rejects `..` traversals),
 641                // but return the original cwd to preserve its path separators.
 642                // On Windows, `normalize_lexically` rebuilds the path with
 643                // backslashes via `PathBuf::push`, which would corrupt
 644                // forward-slash Linux paths used by WSL agents.
 645                util::paths::normalize_lexically(cwd)
 646                    .ok()
 647                    .is_some_and(|normalized| {
 648                        worktree_roots
 649                            .iter()
 650                            .any(|root| normalized.starts_with(root.as_ref()))
 651                    })
 652            })
 653            .map(|path| path.into())
 654            .or_else(|| worktree_roots.first().cloned())
 655            .unwrap_or_else(|| paths::home_dir().as_path().into());
 656
 657        let connection_entry = connection_store.update(cx, |store, cx| {
 658            store.request_connection(connection_key, agent.clone(), cx)
 659        });
 660
 661        let connection_entry_subscription =
 662            cx.subscribe(&connection_entry, |this, _entry, event, cx| match event {
 663                ConnectionEntryEvent::NewVersionAvailable(version) => {
 664                    if let Some(thread) = this.active_thread() {
 665                        thread.update(cx, |thread, cx| {
 666                            thread.new_server_version_available = Some(version.clone());
 667                            cx.notify();
 668                        });
 669                    }
 670                }
 671            });
 672
 673        let connect_result = connection_entry.read(cx).wait_for_connection();
 674
 675        let load_session_id = resume_session_id.clone();
 676        let load_task = cx.spawn_in(window, async move |this, cx| {
 677            let connection = match connect_result.await {
 678                Ok(connection) => connection,
 679                Err(err) => {
 680                    this.update_in(cx, |this, window, cx| {
 681                        this.handle_load_error(load_session_id.clone(), err, window, cx);
 682                        cx.notify();
 683                    })
 684                    .log_err();
 685                    return;
 686                }
 687            };
 688
 689            telemetry::event!("Agent Thread Started", agent = connection.telemetry_id());
 690
 691            let mut resumed_without_history = false;
 692            let result = if let Some(session_id) = load_session_id.clone() {
 693                cx.update(|_, cx| {
 694                    if connection.supports_load_session() {
 695                        connection.clone().load_session(
 696                            session_id,
 697                            project.clone(),
 698                            &session_cwd,
 699                            title,
 700                            cx,
 701                        )
 702                    } else if connection.supports_resume_session() {
 703                        resumed_without_history = true;
 704                        connection.clone().resume_session(
 705                            session_id,
 706                            project.clone(),
 707                            &session_cwd,
 708                            title,
 709                            cx,
 710                        )
 711                    } else {
 712                        Task::ready(Err(anyhow!(LoadError::Other(
 713                            "Loading or resuming sessions is not supported by this agent.".into()
 714                        ))))
 715                    }
 716                })
 717                .log_err()
 718            } else {
 719                cx.update(|_, cx| {
 720                    connection
 721                        .clone()
 722                        .new_session(project.clone(), session_cwd.as_ref(), cx)
 723                })
 724                .log_err()
 725            };
 726
 727            let Some(result) = result else {
 728                return;
 729            };
 730
 731            let result = match result.await {
 732                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 733                    Ok(err) => {
 734                        cx.update(|window, cx| {
 735                            Self::handle_auth_required(
 736                                this,
 737                                err,
 738                                agent.name(),
 739                                connection,
 740                                window,
 741                                cx,
 742                            )
 743                        })
 744                        .log_err();
 745                        return;
 746                    }
 747                    Err(err) => Err(err),
 748                },
 749                Ok(thread) => Ok(thread),
 750            };
 751
 752            this.update_in(cx, |this, window, cx| {
 753                match result {
 754                    Ok(thread) => {
 755                        let conversation = cx.new(|cx| {
 756                            let mut conversation = Conversation::default();
 757                            conversation.register_thread(thread.clone(), cx);
 758                            conversation
 759                        });
 760
 761                        let current = this.new_thread_view(
 762                            None,
 763                            thread,
 764                            conversation.clone(),
 765                            resumed_without_history,
 766                            initial_content,
 767                            window,
 768                            cx,
 769                        );
 770
 771                        if this.focus_handle.contains_focused(window, cx) {
 772                            current
 773                                .read(cx)
 774                                .message_editor
 775                                .focus_handle(cx)
 776                                .focus(window, cx);
 777                        }
 778
 779                        let id = current.read(cx).thread.read(cx).session_id().clone();
 780                        let session_list = if connection.supports_session_history() {
 781                            connection.session_list(cx)
 782                        } else {
 783                            None
 784                        };
 785                        this.history.update(cx, |history, cx| {
 786                            history.set_session_list(session_list, cx);
 787                        });
 788                        this.set_server_state(
 789                            ServerState::Connected(ConnectedServerState {
 790                                connection,
 791                                auth_state: AuthState::Ok,
 792                                active_id: Some(id.clone()),
 793                                threads: HashMap::from_iter([(id, current)]),
 794                                conversation,
 795                                _connection_entry_subscription: connection_entry_subscription,
 796                            }),
 797                            cx,
 798                        );
 799                    }
 800                    Err(err) => {
 801                        this.handle_load_error(
 802                            load_session_id.clone(),
 803                            LoadError::Other(err.to_string().into()),
 804                            window,
 805                            cx,
 806                        );
 807                    }
 808                };
 809            })
 810            .log_err();
 811        });
 812
 813        let loading_view = cx.new(|_cx| LoadingView {
 814            session_id: resume_session_id,
 815            _load_task: load_task,
 816        });
 817
 818        ServerState::Loading(loading_view)
 819    }
 820
 821    fn new_thread_view(
 822        &self,
 823        parent_id: Option<acp::SessionId>,
 824        thread: Entity<AcpThread>,
 825        conversation: Entity<Conversation>,
 826        resumed_without_history: bool,
 827        initial_content: Option<AgentInitialContent>,
 828        window: &mut Window,
 829        cx: &mut Context<Self>,
 830    ) -> Entity<ThreadView> {
 831        let agent_name = self.agent.name();
 832        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 833        let available_commands = Rc::new(RefCell::new(vec![]));
 834
 835        let action_log = thread.read(cx).action_log().clone();
 836
 837        prompt_capabilities.replace(thread.read(cx).prompt_capabilities());
 838
 839        let entry_view_state = cx.new(|_| {
 840            EntryViewState::new(
 841                self.workspace.clone(),
 842                self.project.downgrade(),
 843                self.thread_store.clone(),
 844                self.history.downgrade(),
 845                self.prompt_store.clone(),
 846                prompt_capabilities.clone(),
 847                available_commands.clone(),
 848                self.agent.name(),
 849            )
 850        });
 851
 852        let count = thread.read(cx).entries().len();
 853        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 854        entry_view_state.update(cx, |view_state, cx| {
 855            for ix in 0..count {
 856                view_state.sync_entry(ix, &thread, window, cx);
 857            }
 858            list_state.splice_focusable(
 859                0..0,
 860                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 861            );
 862        });
 863
 864        if let Some(scroll_position) = thread.read(cx).ui_scroll_position() {
 865            list_state.scroll_to(scroll_position);
 866        }
 867
 868        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
 869
 870        let connection = thread.read(cx).connection().clone();
 871        let session_id = thread.read(cx).session_id().clone();
 872
 873        // Check for config options first
 874        // Config options take precedence over legacy mode/model selectors
 875        // (feature flag gating happens at the data layer)
 876        let config_options_provider = connection.session_config_options(&session_id, cx);
 877
 878        let config_options_view;
 879        let mode_selector;
 880        let model_selector;
 881        if let Some(config_options) = config_options_provider {
 882            // Use config options - don't create mode_selector or model_selector
 883            let agent_server = self.agent.clone();
 884            let fs = self.project.read(cx).fs().clone();
 885            config_options_view =
 886                Some(cx.new(|cx| {
 887                    ConfigOptionsView::new(config_options, agent_server, fs, window, cx)
 888                }));
 889            model_selector = None;
 890            mode_selector = None;
 891        } else {
 892            // Fall back to legacy mode/model selectors
 893            config_options_view = None;
 894            model_selector = connection.model_selector(&session_id).map(|selector| {
 895                let agent_server = self.agent.clone();
 896                let fs = self.project.read(cx).fs().clone();
 897                cx.new(|cx| {
 898                    ModelSelectorPopover::new(
 899                        selector,
 900                        agent_server,
 901                        fs,
 902                        PopoverMenuHandle::default(),
 903                        self.focus_handle(cx),
 904                        window,
 905                        cx,
 906                    )
 907                })
 908            });
 909
 910            mode_selector = connection
 911                .session_modes(&session_id, cx)
 912                .map(|session_modes| {
 913                    let fs = self.project.read(cx).fs().clone();
 914                    cx.new(|_cx| ModeSelector::new(session_modes, self.agent.clone(), fs))
 915                });
 916        }
 917
 918        let subscriptions = vec![
 919            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 920            cx.observe(&action_log, |_, _, cx| cx.notify()),
 921        ];
 922
 923        let parent_session_id = thread.read(cx).session_id().clone();
 924        let subagent_sessions = thread
 925            .read(cx)
 926            .entries()
 927            .iter()
 928            .filter_map(|entry| match entry {
 929                AgentThreadEntry::ToolCall(call) => call
 930                    .subagent_session_info
 931                    .as_ref()
 932                    .map(|i| i.session_id.clone()),
 933                _ => None,
 934            })
 935            .collect::<Vec<_>>();
 936
 937        if !subagent_sessions.is_empty() {
 938            cx.spawn_in(window, async move |this, cx| {
 939                this.update_in(cx, |this, window, cx| {
 940                    for subagent_id in subagent_sessions {
 941                        this.load_subagent_session(
 942                            subagent_id,
 943                            parent_session_id.clone(),
 944                            window,
 945                            cx,
 946                        );
 947                    }
 948                })
 949            })
 950            .detach();
 951        }
 952
 953        let profile_selector: Option<Rc<agent::NativeAgentConnection>> =
 954            connection.clone().downcast();
 955        let profile_selector = profile_selector
 956            .and_then(|native_connection| native_connection.thread(&session_id, cx))
 957            .map(|native_thread| {
 958                cx.new(|cx| {
 959                    ProfileSelector::new(
 960                        <dyn Fs>::global(cx),
 961                        Arc::new(native_thread),
 962                        self.focus_handle(cx),
 963                        cx,
 964                    )
 965                })
 966            });
 967
 968        let agent_display_name = self
 969            .agent_server_store
 970            .read(cx)
 971            .agent_display_name(&ExternalAgentServerName(agent_name.clone()))
 972            .unwrap_or_else(|| agent_name.clone());
 973
 974        let agent_icon = self.agent.logo();
 975        let agent_icon_from_external_svg = self
 976            .agent_server_store
 977            .read(cx)
 978            .agent_icon(&ExternalAgentServerName(self.agent.name()))
 979            .or_else(|| {
 980                project::AgentRegistryStore::try_global(cx).and_then(|store| {
 981                    store
 982                        .read(cx)
 983                        .agent(self.agent.name().as_ref())
 984                        .and_then(|a| a.icon_path().cloned())
 985                })
 986            });
 987
 988        let weak = cx.weak_entity();
 989        cx.new(|cx| {
 990            ThreadView::new(
 991                parent_id,
 992                thread,
 993                conversation,
 994                weak,
 995                agent_icon,
 996                agent_icon_from_external_svg,
 997                agent_name,
 998                agent_display_name,
 999                self.workspace.clone(),
1000                entry_view_state,
1001                config_options_view,
1002                mode_selector,
1003                model_selector,
1004                profile_selector,
1005                list_state,
1006                prompt_capabilities,
1007                available_commands,
1008                resumed_without_history,
1009                self.project.downgrade(),
1010                self.thread_store.clone(),
1011                self.history.clone(),
1012                self.prompt_store.clone(),
1013                initial_content,
1014                subscriptions,
1015                window,
1016                cx,
1017            )
1018        })
1019    }
1020
1021    fn handle_auth_required(
1022        this: WeakEntity<Self>,
1023        err: AuthRequired,
1024        agent_name: SharedString,
1025        connection: Rc<dyn AgentConnection>,
1026        window: &mut Window,
1027        cx: &mut App,
1028    ) {
1029        let (configuration_view, subscription) = if let Some(provider_id) = &err.provider_id {
1030            let registry = LanguageModelRegistry::global(cx);
1031
1032            let sub = window.subscribe(&registry, cx, {
1033                let provider_id = provider_id.clone();
1034                let this = this.clone();
1035                move |_, ev, window, cx| {
1036                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
1037                        && &provider_id == updated_provider_id
1038                        && LanguageModelRegistry::global(cx)
1039                            .read(cx)
1040                            .provider(&provider_id)
1041                            .map_or(false, |provider| provider.is_authenticated(cx))
1042                    {
1043                        this.update(cx, |this, cx| {
1044                            this.reset(window, cx);
1045                        })
1046                        .ok();
1047                    }
1048                }
1049            });
1050
1051            let view = registry.read(cx).provider(&provider_id).map(|provider| {
1052                provider.configuration_view(
1053                    language_model::ConfigurationViewTargetAgent::Other(agent_name),
1054                    window,
1055                    cx,
1056                )
1057            });
1058
1059            (view, Some(sub))
1060        } else {
1061            (None, None)
1062        };
1063
1064        this.update(cx, |this, cx| {
1065            let description = err
1066                .description
1067                .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx)));
1068            let auth_state = AuthState::Unauthenticated {
1069                pending_auth_method: None,
1070                configuration_view,
1071                description,
1072                _subscription: subscription,
1073            };
1074            if let Some(connected) = this.as_connected_mut() {
1075                connected.auth_state = auth_state;
1076                if let Some(view) = connected.active_view()
1077                    && view
1078                        .read(cx)
1079                        .message_editor
1080                        .focus_handle(cx)
1081                        .is_focused(window)
1082                {
1083                    this.focus_handle.focus(window, cx)
1084                }
1085            } else {
1086                this.set_server_state(
1087                    ServerState::Connected(ConnectedServerState {
1088                        auth_state,
1089                        active_id: None,
1090                        threads: HashMap::default(),
1091                        connection,
1092                        conversation: cx.new(|_cx| Conversation::default()),
1093                        _connection_entry_subscription: Subscription::new(|| {}),
1094                    }),
1095                    cx,
1096                );
1097            }
1098            cx.notify();
1099        })
1100        .ok();
1101    }
1102
1103    fn handle_load_error(
1104        &mut self,
1105        session_id: Option<acp::SessionId>,
1106        err: LoadError,
1107        window: &mut Window,
1108        cx: &mut Context<Self>,
1109    ) {
1110        if let Some(view) = self.active_thread() {
1111            if view
1112                .read(cx)
1113                .message_editor
1114                .focus_handle(cx)
1115                .is_focused(window)
1116            {
1117                self.focus_handle.focus(window, cx)
1118            }
1119        }
1120        self.emit_load_error_telemetry(&err);
1121        self.set_server_state(
1122            ServerState::LoadError {
1123                error: err,
1124                session_id,
1125            },
1126            cx,
1127        );
1128    }
1129
1130    fn handle_agent_servers_updated(
1131        &mut self,
1132        _agent_server_store: &Entity<project::AgentServerStore>,
1133        _event: &project::AgentServersUpdated,
1134        window: &mut Window,
1135        cx: &mut Context<Self>,
1136    ) {
1137        // If we're in a LoadError state OR have a thread_error set (which can happen
1138        // when agent.connect() fails during loading), retry loading the thread.
1139        // This handles the case where a thread is restored before authentication completes.
1140        let should_retry = match &self.server_state {
1141            ServerState::Loading(_) => false,
1142            ServerState::LoadError { .. } => true,
1143            ServerState::Connected(connected) => {
1144                connected.auth_state.is_ok() && connected.has_thread_error(cx)
1145            }
1146        };
1147
1148        if should_retry {
1149            if let Some(active) = self.active_thread() {
1150                active.update(cx, |active, cx| {
1151                    active.clear_thread_error(cx);
1152                });
1153            }
1154            self.reset(window, cx);
1155        }
1156    }
1157
1158    pub fn workspace(&self) -> &WeakEntity<Workspace> {
1159        &self.workspace
1160    }
1161
1162    pub fn title(&self, _cx: &App) -> SharedString {
1163        match &self.server_state {
1164            ServerState::Connected(_) => "New Thread".into(),
1165            ServerState::Loading(_) => "Loading…".into(),
1166            ServerState::LoadError { error, .. } => match error {
1167                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
1168                LoadError::FailedToInstall(_) => {
1169                    format!("Failed to Install {}", self.agent.name()).into()
1170                }
1171                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
1172                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
1173            },
1174        }
1175    }
1176
1177    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
1178        if let Some(active) = self.active_thread() {
1179            active.update(cx, |active, cx| {
1180                active.cancel_generation(cx);
1181            });
1182        }
1183    }
1184
1185    // The parent ID is None if we haven't created a thread yet
1186    pub fn parent_id(&self, cx: &App) -> Option<acp::SessionId> {
1187        match &self.server_state {
1188            ServerState::Connected(_) => self
1189                .parent_thread(cx)
1190                .map(|thread| thread.read(cx).id.clone()),
1191            ServerState::Loading(loading) => loading.read(cx).session_id.clone(),
1192            ServerState::LoadError { session_id, .. } => session_id.clone(),
1193        }
1194    }
1195
1196    pub fn is_loading(&self) -> bool {
1197        matches!(self.server_state, ServerState::Loading { .. })
1198    }
1199
1200    fn update_turn_tokens(&mut self, cx: &mut Context<Self>) {
1201        if let Some(active) = self.active_thread() {
1202            active.update(cx, |active, cx| {
1203                active.update_turn_tokens(cx);
1204            });
1205        }
1206    }
1207
1208    fn send_queued_message_at_index(
1209        &mut self,
1210        index: usize,
1211        is_send_now: bool,
1212        window: &mut Window,
1213        cx: &mut Context<Self>,
1214    ) {
1215        if let Some(active) = self.active_thread() {
1216            active.update(cx, |active, cx| {
1217                active.send_queued_message_at_index(index, is_send_now, window, cx);
1218            });
1219        }
1220    }
1221
1222    fn move_queued_message_to_main_editor(
1223        &mut self,
1224        index: usize,
1225        inserted_text: Option<&str>,
1226        window: &mut Window,
1227        cx: &mut Context<Self>,
1228    ) {
1229        if let Some(active) = self.active_thread() {
1230            active.update(cx, |active, cx| {
1231                active.move_queued_message_to_main_editor(index, inserted_text, window, cx);
1232            });
1233        }
1234    }
1235
1236    fn handle_thread_event(
1237        &mut self,
1238        thread: &Entity<AcpThread>,
1239        event: &AcpThreadEvent,
1240        window: &mut Window,
1241        cx: &mut Context<Self>,
1242    ) {
1243        let thread_id = thread.read(cx).session_id().clone();
1244        let is_subagent = thread.read(cx).parent_session_id().is_some();
1245        match event {
1246            AcpThreadEvent::NewEntry => {
1247                let len = thread.read(cx).entries().len();
1248                let index = len - 1;
1249                if let Some(active) = self.thread_view(&thread_id) {
1250                    let entry_view_state = active.read(cx).entry_view_state.clone();
1251                    let list_state = active.read(cx).list_state.clone();
1252                    entry_view_state.update(cx, |view_state, cx| {
1253                        view_state.sync_entry(index, thread, window, cx);
1254                        list_state.splice_focusable(
1255                            index..index,
1256                            [view_state
1257                                .entry(index)
1258                                .and_then(|entry| entry.focus_handle(cx))],
1259                        );
1260                    });
1261                }
1262            }
1263            AcpThreadEvent::EntryUpdated(index) => {
1264                if let Some(entry_view_state) = self
1265                    .thread_view(&thread_id)
1266                    .map(|active| active.read(cx).entry_view_state.clone())
1267                {
1268                    entry_view_state.update(cx, |view_state, cx| {
1269                        view_state.sync_entry(*index, thread, window, cx)
1270                    });
1271                }
1272            }
1273            AcpThreadEvent::EntriesRemoved(range) => {
1274                if let Some(active) = self.thread_view(&thread_id) {
1275                    let entry_view_state = active.read(cx).entry_view_state.clone();
1276                    let list_state = active.read(cx).list_state.clone();
1277                    entry_view_state.update(cx, |view_state, _cx| view_state.remove(range.clone()));
1278                    list_state.splice(range.clone(), 0);
1279                }
1280            }
1281            AcpThreadEvent::SubagentSpawned(session_id) => self.load_subagent_session(
1282                session_id.clone(),
1283                thread.read(cx).session_id().clone(),
1284                window,
1285                cx,
1286            ),
1287            AcpThreadEvent::ToolAuthorizationRequested(_) => {
1288                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1289            }
1290            AcpThreadEvent::ToolAuthorizationReceived(_) => {}
1291            AcpThreadEvent::Retry(retry) => {
1292                if let Some(active) = self.thread_view(&thread_id) {
1293                    active.update(cx, |active, _cx| {
1294                        active.thread_retry_status = Some(retry.clone());
1295                    });
1296                }
1297            }
1298            AcpThreadEvent::Stopped(stop_reason) => {
1299                if let Some(active) = self.thread_view(&thread_id) {
1300                    active.update(cx, |active, _cx| {
1301                        active.thread_retry_status.take();
1302                    });
1303                }
1304                if is_subagent {
1305                    if *stop_reason == acp::StopReason::EndTurn {
1306                        thread.update(cx, |thread, cx| {
1307                            thread.mark_as_subagent_output(cx);
1308                        });
1309                    }
1310                    return;
1311                }
1312
1313                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1314                self.notify_with_sound(
1315                    if used_tools {
1316                        "Finished running tools"
1317                    } else {
1318                        "New message"
1319                    },
1320                    IconName::ZedAssistant,
1321                    window,
1322                    cx,
1323                );
1324
1325                let should_send_queued = if let Some(active) = self.active_thread() {
1326                    active.update(cx, |active, cx| {
1327                        if active.skip_queue_processing_count > 0 {
1328                            active.skip_queue_processing_count -= 1;
1329                            false
1330                        } else if active.user_interrupted_generation {
1331                            // Manual interruption: don't auto-process queue.
1332                            // Reset the flag so future completions can process normally.
1333                            active.user_interrupted_generation = false;
1334                            false
1335                        } else {
1336                            let has_queued = !active.local_queued_messages.is_empty();
1337                            // Don't auto-send if the first message editor is currently focused
1338                            let is_first_editor_focused = active
1339                                .queued_message_editors
1340                                .first()
1341                                .is_some_and(|editor| editor.focus_handle(cx).is_focused(window));
1342                            has_queued && !is_first_editor_focused
1343                        }
1344                    })
1345                } else {
1346                    false
1347                };
1348                if should_send_queued {
1349                    self.send_queued_message_at_index(0, false, window, cx);
1350                }
1351            }
1352            AcpThreadEvent::Refusal => {
1353                let error = ThreadError::Refusal;
1354                if let Some(active) = self.thread_view(&thread_id) {
1355                    active.update(cx, |active, cx| {
1356                        active.handle_thread_error(error, cx);
1357                        active.thread_retry_status.take();
1358                    });
1359                }
1360                if !is_subagent {
1361                    let model_or_agent_name = self.current_model_name(cx);
1362                    let notification_message =
1363                        format!("{} refused to respond to this request", model_or_agent_name);
1364                    self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1365                }
1366            }
1367            AcpThreadEvent::Error => {
1368                if let Some(active) = self.thread_view(&thread_id) {
1369                    active.update(cx, |active, _cx| {
1370                        active.thread_retry_status.take();
1371                    });
1372                }
1373                if !is_subagent {
1374                    self.notify_with_sound(
1375                        "Agent stopped due to an error",
1376                        IconName::Warning,
1377                        window,
1378                        cx,
1379                    );
1380                }
1381            }
1382            AcpThreadEvent::LoadError(error) => {
1383                if let Some(view) = self.active_thread() {
1384                    if view
1385                        .read(cx)
1386                        .message_editor
1387                        .focus_handle(cx)
1388                        .is_focused(window)
1389                    {
1390                        self.focus_handle.focus(window, cx)
1391                    }
1392                }
1393                self.set_server_state(
1394                    ServerState::LoadError {
1395                        error: error.clone(),
1396                        session_id: Some(thread_id),
1397                    },
1398                    cx,
1399                );
1400            }
1401            AcpThreadEvent::TitleUpdated => {
1402                let title = thread.read(cx).title();
1403                if let Some(active_thread) = self.thread_view(&thread_id) {
1404                    let title_editor = active_thread.read(cx).title_editor.clone();
1405                    title_editor.update(cx, |editor, cx| {
1406                        if editor.text(cx) != title {
1407                            editor.set_text(title, window, cx);
1408                        }
1409                    });
1410                }
1411                cx.notify();
1412            }
1413            AcpThreadEvent::PromptCapabilitiesUpdated => {
1414                if let Some(active) = self.thread_view(&thread_id) {
1415                    active.update(cx, |active, _cx| {
1416                        active
1417                            .prompt_capabilities
1418                            .replace(thread.read(_cx).prompt_capabilities());
1419                    });
1420                }
1421            }
1422            AcpThreadEvent::TokenUsageUpdated => {
1423                self.update_turn_tokens(cx);
1424                self.emit_token_limit_telemetry_if_needed(thread, cx);
1425            }
1426            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1427                let mut available_commands = available_commands.clone();
1428
1429                if thread
1430                    .read(cx)
1431                    .connection()
1432                    .auth_methods()
1433                    .iter()
1434                    .any(|method| method.id.0.as_ref() == "claude-login")
1435                {
1436                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1437                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1438                }
1439
1440                let has_commands = !available_commands.is_empty();
1441                if let Some(active) = self.active_thread() {
1442                    active.update(cx, |active, _cx| {
1443                        active.available_commands.replace(available_commands);
1444                    });
1445                }
1446
1447                let agent_display_name = self
1448                    .agent_server_store
1449                    .read(cx)
1450                    .agent_display_name(&ExternalAgentServerName(self.agent.name()))
1451                    .unwrap_or_else(|| self.agent.name());
1452
1453                if let Some(active) = self.active_thread() {
1454                    let new_placeholder =
1455                        placeholder_text(agent_display_name.as_ref(), has_commands);
1456                    active.update(cx, |active, cx| {
1457                        active.message_editor.update(cx, |editor, cx| {
1458                            editor.set_placeholder_text(&new_placeholder, window, cx);
1459                        });
1460                    });
1461                }
1462            }
1463            AcpThreadEvent::ModeUpdated(_mode) => {
1464                // The connection keeps track of the mode
1465                cx.notify();
1466            }
1467            AcpThreadEvent::ConfigOptionsUpdated(_) => {
1468                // The watch task in ConfigOptionsView handles rebuilding selectors
1469                cx.notify();
1470            }
1471        }
1472        cx.notify();
1473    }
1474
1475    fn authenticate(
1476        &mut self,
1477        method: acp::AuthMethodId,
1478        window: &mut Window,
1479        cx: &mut Context<Self>,
1480    ) {
1481        let Some(connected) = self.as_connected_mut() else {
1482            return;
1483        };
1484        let connection = connected.connection.clone();
1485
1486        let AuthState::Unauthenticated {
1487            configuration_view,
1488            pending_auth_method,
1489            ..
1490        } = &mut connected.auth_state
1491        else {
1492            return;
1493        };
1494
1495        let agent_telemetry_id = connection.telemetry_id();
1496
1497        // Check for the experimental "terminal-auth" _meta field
1498        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1499
1500        if let Some(terminal_auth) = auth_method
1501            .and_then(|a| a.meta.as_ref())
1502            .and_then(|m| m.get("terminal-auth"))
1503        {
1504            // Extract terminal auth details from meta
1505            if let (Some(command), Some(label)) = (
1506                terminal_auth.get("command").and_then(|v| v.as_str()),
1507                terminal_auth.get("label").and_then(|v| v.as_str()),
1508            ) {
1509                let args = terminal_auth
1510                    .get("args")
1511                    .and_then(|v| v.as_array())
1512                    .map(|arr| {
1513                        arr.iter()
1514                            .filter_map(|v| v.as_str().map(String::from))
1515                            .collect()
1516                    })
1517                    .unwrap_or_default();
1518
1519                let env = terminal_auth
1520                    .get("env")
1521                    .and_then(|v| v.as_object())
1522                    .map(|obj| {
1523                        obj.iter()
1524                            .filter_map(|(k, v)| v.as_str().map(|val| (k.clone(), val.to_string())))
1525                            .collect::<HashMap<String, String>>()
1526                    })
1527                    .unwrap_or_default();
1528
1529                // Build SpawnInTerminal from _meta
1530                let login = task::SpawnInTerminal {
1531                    id: task::TaskId(format!("external-agent-{}-login", label)),
1532                    full_label: label.to_string(),
1533                    label: label.to_string(),
1534                    command: Some(command.to_string()),
1535                    args,
1536                    command_label: label.to_string(),
1537                    env,
1538                    use_new_terminal: true,
1539                    allow_concurrent_runs: true,
1540                    hide: task::HideStrategy::Always,
1541                    ..Default::default()
1542                };
1543
1544                configuration_view.take();
1545                pending_auth_method.replace(method.clone());
1546
1547                if let Some(workspace) = self.workspace.upgrade() {
1548                    let project = self.project.clone();
1549                    let authenticate = Self::spawn_external_agent_login(
1550                        login,
1551                        workspace,
1552                        project,
1553                        method.clone(),
1554                        false,
1555                        window,
1556                        cx,
1557                    );
1558                    cx.notify();
1559                    self.auth_task = Some(cx.spawn_in(window, {
1560                        async move |this, cx| {
1561                            let result = authenticate.await;
1562
1563                            match &result {
1564                                Ok(_) => telemetry::event!(
1565                                    "Authenticate Agent Succeeded",
1566                                    agent = agent_telemetry_id
1567                                ),
1568                                Err(_) => {
1569                                    telemetry::event!(
1570                                        "Authenticate Agent Failed",
1571                                        agent = agent_telemetry_id,
1572                                    )
1573                                }
1574                            }
1575
1576                            this.update_in(cx, |this, window, cx| {
1577                                if let Err(err) = result {
1578                                    if let Some(ConnectedServerState {
1579                                        auth_state:
1580                                            AuthState::Unauthenticated {
1581                                                pending_auth_method,
1582                                                ..
1583                                            },
1584                                        ..
1585                                    }) = this.as_connected_mut()
1586                                    {
1587                                        pending_auth_method.take();
1588                                    }
1589                                    if let Some(active) = this.active_thread() {
1590                                        active.update(cx, |active, cx| {
1591                                            active.handle_thread_error(err, cx);
1592                                        })
1593                                    }
1594                                } else {
1595                                    this.reset(window, cx);
1596                                }
1597                                this.auth_task.take()
1598                            })
1599                            .ok();
1600                        }
1601                    }));
1602                }
1603                return;
1604            }
1605        }
1606
1607        configuration_view.take();
1608        pending_auth_method.replace(method.clone());
1609
1610        let authenticate = connection.authenticate(method, cx);
1611        cx.notify();
1612        self.auth_task = Some(cx.spawn_in(window, {
1613            async move |this, cx| {
1614                let result = authenticate.await;
1615
1616                match &result {
1617                    Ok(_) => telemetry::event!(
1618                        "Authenticate Agent Succeeded",
1619                        agent = agent_telemetry_id
1620                    ),
1621                    Err(_) => {
1622                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1623                    }
1624                }
1625
1626                this.update_in(cx, |this, window, cx| {
1627                    if let Err(err) = result {
1628                        if let Some(ConnectedServerState {
1629                            auth_state:
1630                                AuthState::Unauthenticated {
1631                                    pending_auth_method,
1632                                    ..
1633                                },
1634                            ..
1635                        }) = this.as_connected_mut()
1636                        {
1637                            pending_auth_method.take();
1638                        }
1639                        if let Some(active) = this.active_thread() {
1640                            active.update(cx, |active, cx| active.handle_thread_error(err, cx));
1641                        }
1642                    } else {
1643                        this.reset(window, cx);
1644                    }
1645                    this.auth_task.take()
1646                })
1647                .ok();
1648            }
1649        }));
1650    }
1651
1652    fn load_subagent_session(
1653        &mut self,
1654        subagent_id: acp::SessionId,
1655        parent_id: acp::SessionId,
1656        window: &mut Window,
1657        cx: &mut Context<Self>,
1658    ) {
1659        let Some(connected) = self.as_connected() else {
1660            return;
1661        };
1662        if connected.threads.contains_key(&subagent_id)
1663            || !connected.connection.supports_load_session()
1664        {
1665            return;
1666        }
1667        let root_dir = self
1668            .project
1669            .read(cx)
1670            .worktrees(cx)
1671            .filter_map(|worktree| {
1672                if worktree.read(cx).is_single_file() {
1673                    Some(worktree.read(cx).abs_path().parent()?.into())
1674                } else {
1675                    Some(worktree.read(cx).abs_path())
1676                }
1677            })
1678            .next();
1679        let cwd = root_dir.unwrap_or_else(|| paths::home_dir().as_path().into());
1680
1681        let subagent_thread_task = connected.connection.clone().load_session(
1682            subagent_id.clone(),
1683            self.project.clone(),
1684            &cwd,
1685            None,
1686            cx,
1687        );
1688
1689        cx.spawn_in(window, async move |this, cx| {
1690            let subagent_thread = subagent_thread_task.await?;
1691            this.update_in(cx, |this, window, cx| {
1692                let conversation = this
1693                    .as_connected()
1694                    .map(|connected| connected.conversation.clone());
1695                let Some(conversation) = conversation else {
1696                    return;
1697                };
1698                conversation.update(cx, |conversation, cx| {
1699                    conversation.register_thread(subagent_thread.clone(), cx);
1700                });
1701                let view = this.new_thread_view(
1702                    Some(parent_id),
1703                    subagent_thread,
1704                    conversation,
1705                    false,
1706                    None,
1707                    window,
1708                    cx,
1709                );
1710                let Some(connected) = this.as_connected_mut() else {
1711                    return;
1712                };
1713                connected.threads.insert(subagent_id, view);
1714            })
1715        })
1716        .detach();
1717    }
1718
1719    fn spawn_external_agent_login(
1720        login: task::SpawnInTerminal,
1721        workspace: Entity<Workspace>,
1722        project: Entity<Project>,
1723        method: acp::AuthMethodId,
1724        previous_attempt: bool,
1725        window: &mut Window,
1726        cx: &mut App,
1727    ) -> Task<Result<()>> {
1728        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1729            return Task::ready(Ok(()));
1730        };
1731
1732        window.spawn(cx, async move |cx| {
1733            let mut task = login.clone();
1734            if let Some(cmd) = &task.command {
1735                // Have "node" command use Zed's managed Node runtime by default
1736                if cmd == "node" {
1737                    let resolved_node_runtime = project
1738                        .update(cx, |project, cx| {
1739                            let agent_server_store = project.agent_server_store().clone();
1740                            agent_server_store.update(cx, |store, cx| {
1741                                store.node_runtime().map(|node_runtime| {
1742                                    cx.background_spawn(async move {
1743                                        node_runtime.binary_path().await
1744                                    })
1745                                })
1746                            })
1747                        });
1748
1749                    if let Some(resolve_task) = resolved_node_runtime {
1750                        if let Ok(node_path) = resolve_task.await {
1751                            task.command = Some(node_path.to_string_lossy().to_string());
1752                        }
1753                    }
1754                }
1755            }
1756            task.shell = task::Shell::WithArguments {
1757                program: task.command.take().expect("login command should be set"),
1758                args: std::mem::take(&mut task.args),
1759                title_override: None
1760            };
1761            task.full_label = task.label.clone();
1762            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1763            task.command_label = task.label.clone();
1764            task.use_new_terminal = true;
1765            task.allow_concurrent_runs = true;
1766            task.hide = task::HideStrategy::Always;
1767
1768            let terminal = terminal_panel
1769                .update_in(cx, |terminal_panel, window, cx| {
1770                    terminal_panel.spawn_task(&task, window, cx)
1771                })?
1772                .await?;
1773
1774            let success_patterns = match method.0.as_ref() {
1775                "claude-login" | "spawn-gemini-cli" => vec![
1776                    "Login successful".to_string(),
1777                    "Type your message".to_string(),
1778                ],
1779                _ => Vec::new(),
1780            };
1781            if success_patterns.is_empty() {
1782                // No success patterns specified: wait for the process to exit and check exit code
1783                let exit_status = terminal
1784                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1785                    .await;
1786
1787                match exit_status {
1788                    Some(status) if status.success() => Ok(()),
1789                    Some(status) => Err(anyhow!(
1790                        "Login command failed with exit code: {:?}",
1791                        status.code()
1792                    )),
1793                    None => Err(anyhow!("Login command terminated without exit status")),
1794                }
1795            } else {
1796                // Look for specific output patterns to detect successful login
1797                let mut exit_status = terminal
1798                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1799                    .fuse();
1800
1801                let logged_in = cx
1802                    .spawn({
1803                        let terminal = terminal.clone();
1804                        async move |cx| {
1805                            loop {
1806                                cx.background_executor().timer(Duration::from_secs(1)).await;
1807                                let content =
1808                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1809                                if success_patterns.iter().any(|pattern| content.contains(pattern))
1810                                {
1811                                    return anyhow::Ok(());
1812                                }
1813                            }
1814                        }
1815                    })
1816                    .fuse();
1817                futures::pin_mut!(logged_in);
1818                futures::select_biased! {
1819                    result = logged_in => {
1820                        if let Err(e) = result {
1821                            log::error!("{e}");
1822                            return Err(anyhow!("exited before logging in"));
1823                        }
1824                    }
1825                    _ = exit_status => {
1826                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server()) && login.label.contains("gemini") {
1827                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), method, true, window, cx))?.await
1828                        }
1829                        return Err(anyhow!("exited before logging in"));
1830                    }
1831                }
1832                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1833                Ok(())
1834            }
1835        })
1836    }
1837
1838    pub fn has_user_submitted_prompt(&self, cx: &App) -> bool {
1839        self.active_thread().is_some_and(|active| {
1840            active
1841                .read(cx)
1842                .thread
1843                .read(cx)
1844                .entries()
1845                .iter()
1846                .any(|entry| {
1847                    matches!(
1848                        entry,
1849                        AgentThreadEntry::UserMessage(user_message) if user_message.id.is_some()
1850                    )
1851                })
1852        })
1853    }
1854
1855    fn render_auth_required_state(
1856        &self,
1857        connection: &Rc<dyn AgentConnection>,
1858        description: Option<&Entity<Markdown>>,
1859        configuration_view: Option<&AnyView>,
1860        pending_auth_method: Option<&acp::AuthMethodId>,
1861        window: &mut Window,
1862        cx: &Context<Self>,
1863    ) -> impl IntoElement {
1864        let auth_methods = connection.auth_methods();
1865
1866        let agent_display_name = self
1867            .agent_server_store
1868            .read(cx)
1869            .agent_display_name(&ExternalAgentServerName(self.agent.name()))
1870            .unwrap_or_else(|| self.agent.name());
1871
1872        let show_fallback_description = auth_methods.len() > 1
1873            && configuration_view.is_none()
1874            && description.is_none()
1875            && pending_auth_method.is_none();
1876
1877        let auth_buttons = || {
1878            h_flex().justify_end().flex_wrap().gap_1().children(
1879                connection
1880                    .auth_methods()
1881                    .iter()
1882                    .enumerate()
1883                    .rev()
1884                    .map(|(ix, method)| {
1885                        let (method_id, name) = (method.id.0.clone(), method.name.clone());
1886                        let agent_telemetry_id = connection.telemetry_id();
1887
1888                        Button::new(method_id.clone(), name)
1889                            .label_size(LabelSize::Small)
1890                            .map(|this| {
1891                                if ix == 0 {
1892                                    this.style(ButtonStyle::Tinted(TintColor::Accent))
1893                                } else {
1894                                    this.style(ButtonStyle::Outlined)
1895                                }
1896                            })
1897                            .when_some(method.description.clone(), |this, description| {
1898                                this.tooltip(Tooltip::text(description))
1899                            })
1900                            .on_click({
1901                                cx.listener(move |this, _, window, cx| {
1902                                    telemetry::event!(
1903                                        "Authenticate Agent Started",
1904                                        agent = agent_telemetry_id,
1905                                        method = method_id
1906                                    );
1907
1908                                    this.authenticate(
1909                                        acp::AuthMethodId::new(method_id.clone()),
1910                                        window,
1911                                        cx,
1912                                    )
1913                                })
1914                            })
1915                    }),
1916            )
1917        };
1918
1919        if pending_auth_method.is_some() {
1920            return Callout::new()
1921                .icon(IconName::Info)
1922                .title(format!("Authenticating to {}", agent_display_name))
1923                .actions_slot(
1924                    Icon::new(IconName::ArrowCircle)
1925                        .size(IconSize::Small)
1926                        .color(Color::Muted)
1927                        .with_rotate_animation(2)
1928                        .into_any_element(),
1929                )
1930                .into_any_element();
1931        }
1932
1933        Callout::new()
1934            .icon(IconName::Info)
1935            .title(format!("Authenticate to {}", agent_display_name))
1936            .when(auth_methods.len() == 1, |this| {
1937                this.actions_slot(auth_buttons())
1938            })
1939            .description_slot(
1940                v_flex()
1941                    .text_ui(cx)
1942                    .map(|this| {
1943                        if show_fallback_description {
1944                            this.child(
1945                                Label::new("Choose one of the following authentication options:")
1946                                    .size(LabelSize::Small)
1947                                    .color(Color::Muted),
1948                            )
1949                        } else {
1950                            this.children(
1951                                configuration_view
1952                                    .cloned()
1953                                    .map(|view| div().w_full().child(view)),
1954                            )
1955                            .children(description.map(|desc| {
1956                                self.render_markdown(
1957                                    desc.clone(),
1958                                    MarkdownStyle::themed(MarkdownFont::Agent, window, cx),
1959                                )
1960                            }))
1961                        }
1962                    })
1963                    .when(auth_methods.len() > 1, |this| {
1964                        this.gap_1().child(auth_buttons())
1965                    }),
1966            )
1967            .into_any_element()
1968    }
1969
1970    fn emit_token_limit_telemetry_if_needed(
1971        &mut self,
1972        thread: &Entity<AcpThread>,
1973        cx: &mut Context<Self>,
1974    ) {
1975        let Some(active_thread) = self.active_thread() else {
1976            return;
1977        };
1978
1979        let (ratio, agent_telemetry_id, session_id) = {
1980            let thread_data = thread.read(cx);
1981            let Some(token_usage) = thread_data.token_usage() else {
1982                return;
1983            };
1984            (
1985                token_usage.ratio(),
1986                thread_data.connection().telemetry_id(),
1987                thread_data.session_id().clone(),
1988            )
1989        };
1990
1991        let kind = match ratio {
1992            acp_thread::TokenUsageRatio::Normal => {
1993                active_thread.update(cx, |active, _cx| {
1994                    active.last_token_limit_telemetry = None;
1995                });
1996                return;
1997            }
1998            acp_thread::TokenUsageRatio::Warning => "warning",
1999            acp_thread::TokenUsageRatio::Exceeded => "exceeded",
2000        };
2001
2002        let should_skip = active_thread
2003            .read(cx)
2004            .last_token_limit_telemetry
2005            .as_ref()
2006            .is_some_and(|last| *last >= ratio);
2007        if should_skip {
2008            return;
2009        }
2010
2011        active_thread.update(cx, |active, _cx| {
2012            active.last_token_limit_telemetry = Some(ratio);
2013        });
2014
2015        telemetry::event!(
2016            "Agent Token Limit Warning",
2017            agent = agent_telemetry_id,
2018            session_id = session_id,
2019            kind = kind,
2020        );
2021    }
2022
2023    fn emit_load_error_telemetry(&self, error: &LoadError) {
2024        let error_kind = match error {
2025            LoadError::Unsupported { .. } => "unsupported",
2026            LoadError::FailedToInstall(_) => "failed_to_install",
2027            LoadError::Exited { .. } => "exited",
2028            LoadError::Other(_) => "other",
2029        };
2030
2031        let agent_name = self.agent.name();
2032
2033        telemetry::event!(
2034            "Agent Panel Error Shown",
2035            agent = agent_name,
2036            kind = error_kind,
2037            message = error.to_string(),
2038        );
2039    }
2040
2041    fn render_load_error(
2042        &self,
2043        e: &LoadError,
2044        window: &mut Window,
2045        cx: &mut Context<Self>,
2046    ) -> AnyElement {
2047        let (title, message, action_slot): (_, SharedString, _) = match e {
2048            LoadError::Unsupported {
2049                command: path,
2050                current_version,
2051                minimum_version,
2052            } => {
2053                return self.render_unsupported(path, current_version, minimum_version, window, cx);
2054            }
2055            LoadError::FailedToInstall(msg) => (
2056                "Failed to Install",
2057                msg.into(),
2058                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2059            ),
2060            LoadError::Exited { status } => (
2061                "Failed to Launch",
2062                format!("Server exited with status {status}").into(),
2063                None,
2064            ),
2065            LoadError::Other(msg) => (
2066                "Failed to Launch",
2067                msg.into(),
2068                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2069            ),
2070        };
2071
2072        Callout::new()
2073            .severity(Severity::Error)
2074            .icon(IconName::XCircleFilled)
2075            .title(title)
2076            .description(message)
2077            .actions_slot(div().children(action_slot))
2078            .into_any_element()
2079    }
2080
2081    fn render_unsupported(
2082        &self,
2083        path: &SharedString,
2084        version: &SharedString,
2085        minimum_version: &SharedString,
2086        _window: &mut Window,
2087        cx: &mut Context<Self>,
2088    ) -> AnyElement {
2089        let (heading_label, description_label) = (
2090            format!("Upgrade {} to work with Zed", self.agent.name()),
2091            if version.is_empty() {
2092                format!(
2093                    "Currently using {}, which does not report a valid --version",
2094                    path,
2095                )
2096            } else {
2097                format!(
2098                    "Currently using {}, which is only version {} (need at least {minimum_version})",
2099                    path, version
2100                )
2101            },
2102        );
2103
2104        v_flex()
2105            .w_full()
2106            .p_3p5()
2107            .gap_2p5()
2108            .border_t_1()
2109            .border_color(cx.theme().colors().border)
2110            .bg(linear_gradient(
2111                180.,
2112                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
2113                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
2114            ))
2115            .child(
2116                v_flex().gap_0p5().child(Label::new(heading_label)).child(
2117                    Label::new(description_label)
2118                        .size(LabelSize::Small)
2119                        .color(Color::Muted),
2120                ),
2121            )
2122            .into_any_element()
2123    }
2124
2125    pub(crate) fn as_native_connection(
2126        &self,
2127        cx: &App,
2128    ) -> Option<Rc<agent::NativeAgentConnection>> {
2129        let acp_thread = self.active_thread()?.read(cx).thread.read(cx);
2130        acp_thread.connection().clone().downcast()
2131    }
2132
2133    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
2134        let acp_thread = self.active_thread()?.read(cx).thread.read(cx);
2135        self.as_native_connection(cx)?
2136            .thread(acp_thread.session_id(), cx)
2137    }
2138
2139    fn queued_messages_len(&self, cx: &App) -> usize {
2140        self.active_thread()
2141            .map(|thread| thread.read(cx).local_queued_messages.len())
2142            .unwrap_or_default()
2143    }
2144
2145    fn update_queued_message(
2146        &mut self,
2147        index: usize,
2148        content: Vec<acp::ContentBlock>,
2149        tracked_buffers: Vec<Entity<Buffer>>,
2150        cx: &mut Context<Self>,
2151    ) -> bool {
2152        match self.active_thread() {
2153            Some(thread) => thread.update(cx, |thread, _cx| {
2154                if index < thread.local_queued_messages.len() {
2155                    thread.local_queued_messages[index] = QueuedMessage {
2156                        content,
2157                        tracked_buffers,
2158                    };
2159                    true
2160                } else {
2161                    false
2162                }
2163            }),
2164            None => false,
2165        }
2166    }
2167
2168    fn queued_message_contents(&self, cx: &App) -> Vec<Vec<acp::ContentBlock>> {
2169        match self.active_thread() {
2170            None => Vec::new(),
2171            Some(thread) => thread
2172                .read(cx)
2173                .local_queued_messages
2174                .iter()
2175                .map(|q| q.content.clone())
2176                .collect(),
2177        }
2178    }
2179
2180    fn save_queued_message_at_index(&mut self, index: usize, cx: &mut Context<Self>) {
2181        let editor = match self.active_thread() {
2182            Some(thread) => thread.read(cx).queued_message_editors.get(index).cloned(),
2183            None => None,
2184        };
2185        let Some(editor) = editor else {
2186            return;
2187        };
2188
2189        let contents_task = editor.update(cx, |editor, cx| editor.contents(false, cx));
2190
2191        cx.spawn(async move |this, cx| {
2192            let Ok((content, tracked_buffers)) = contents_task.await else {
2193                return Ok::<(), anyhow::Error>(());
2194            };
2195
2196            this.update(cx, |this, cx| {
2197                this.update_queued_message(index, content, tracked_buffers, cx);
2198                cx.notify();
2199            })?;
2200
2201            Ok(())
2202        })
2203        .detach_and_log_err(cx);
2204    }
2205
2206    fn sync_queued_message_editors(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2207        let needed_count = self.queued_messages_len(cx);
2208        let queued_messages = self.queued_message_contents(cx);
2209
2210        let agent_name = self.agent.name();
2211        let workspace = self.workspace.clone();
2212        let project = self.project.downgrade();
2213        let history = self.history.downgrade();
2214
2215        let Some(thread) = self.active_thread() else {
2216            return;
2217        };
2218        let prompt_capabilities = thread.read(cx).prompt_capabilities.clone();
2219        let available_commands = thread.read(cx).available_commands.clone();
2220
2221        let current_count = thread.read(cx).queued_message_editors.len();
2222        let last_synced = thread.read(cx).last_synced_queue_length;
2223
2224        if current_count == needed_count && needed_count == last_synced {
2225            return;
2226        }
2227
2228        if current_count > needed_count {
2229            thread.update(cx, |thread, _cx| {
2230                thread.queued_message_editors.truncate(needed_count);
2231                thread
2232                    .queued_message_editor_subscriptions
2233                    .truncate(needed_count);
2234            });
2235
2236            let editors = thread.read(cx).queued_message_editors.clone();
2237            for (index, editor) in editors.into_iter().enumerate() {
2238                if let Some(content) = queued_messages.get(index) {
2239                    editor.update(cx, |editor, cx| {
2240                        editor.set_read_only(true, cx);
2241                        editor.set_message(content.clone(), window, cx);
2242                    });
2243                }
2244            }
2245        }
2246
2247        while thread.read(cx).queued_message_editors.len() < needed_count {
2248            let index = thread.read(cx).queued_message_editors.len();
2249            let content = queued_messages.get(index).cloned().unwrap_or_default();
2250
2251            let editor = cx.new(|cx| {
2252                let mut editor = MessageEditor::new(
2253                    workspace.clone(),
2254                    project.clone(),
2255                    None,
2256                    history.clone(),
2257                    None,
2258                    prompt_capabilities.clone(),
2259                    available_commands.clone(),
2260                    agent_name.clone(),
2261                    "",
2262                    EditorMode::AutoHeight {
2263                        min_lines: 1,
2264                        max_lines: Some(10),
2265                    },
2266                    window,
2267                    cx,
2268                );
2269                editor.set_read_only(true, cx);
2270                editor.set_message(content, window, cx);
2271                editor
2272            });
2273
2274            let subscription = cx.subscribe_in(
2275                &editor,
2276                window,
2277                move |this, _editor, event, window, cx| match event {
2278                    MessageEditorEvent::InputAttempted(text) => this
2279                        .move_queued_message_to_main_editor(index, Some(text.as_ref()), window, cx),
2280                    MessageEditorEvent::LostFocus => {
2281                        this.save_queued_message_at_index(index, cx);
2282                    }
2283                    MessageEditorEvent::Cancel => {
2284                        window.focus(&this.focus_handle(cx), cx);
2285                    }
2286                    MessageEditorEvent::Send => {
2287                        window.focus(&this.focus_handle(cx), cx);
2288                    }
2289                    MessageEditorEvent::SendImmediately => {
2290                        this.send_queued_message_at_index(index, true, window, cx);
2291                    }
2292                    _ => {}
2293                },
2294            );
2295
2296            thread.update(cx, |thread, _cx| {
2297                thread.queued_message_editors.push(editor);
2298                thread
2299                    .queued_message_editor_subscriptions
2300                    .push(subscription);
2301            });
2302        }
2303
2304        if let Some(active) = self.active_thread() {
2305            active.update(cx, |active, _cx| {
2306                active.last_synced_queue_length = needed_count;
2307            });
2308        }
2309    }
2310
2311    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
2312        let workspace = self.workspace.clone();
2313        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
2314            crate::connection_view::thread_view::open_link(text, &workspace, window, cx);
2315        })
2316    }
2317
2318    fn notify_with_sound(
2319        &mut self,
2320        caption: impl Into<SharedString>,
2321        icon: IconName,
2322        window: &mut Window,
2323        cx: &mut Context<Self>,
2324    ) {
2325        self.play_notification_sound(window, cx);
2326        self.show_notification(caption, icon, window, cx);
2327    }
2328
2329    fn agent_panel_visible(&self, multi_workspace: &Entity<MultiWorkspace>, cx: &App) -> bool {
2330        let Some(workspace) = self.workspace.upgrade() else {
2331            return false;
2332        };
2333
2334        multi_workspace.read(cx).workspace() == &workspace && AgentPanel::is_visible(&workspace, cx)
2335    }
2336
2337    fn agent_status_visible(&self, window: &Window, cx: &App) -> bool {
2338        if !window.is_window_active() {
2339            return false;
2340        }
2341
2342        if let Some(multi_workspace) = window.root::<MultiWorkspace>().flatten() {
2343            multi_workspace.read(cx).is_sidebar_open()
2344                || self.agent_panel_visible(&multi_workspace, cx)
2345        } else {
2346            self.workspace
2347                .upgrade()
2348                .is_some_and(|workspace| AgentPanel::is_visible(&workspace, cx))
2349        }
2350    }
2351
2352    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
2353        let settings = AgentSettings::get_global(cx);
2354        let visible = window.is_window_active()
2355            && if let Some(mw) = window.root::<MultiWorkspace>().flatten() {
2356                self.agent_panel_visible(&mw, cx)
2357            } else {
2358                self.workspace
2359                    .upgrade()
2360                    .is_some_and(|workspace| AgentPanel::is_visible(&workspace, cx))
2361            };
2362        if settings.play_sound_when_agent_done && !visible {
2363            Audio::play_sound(Sound::AgentDone, cx);
2364        }
2365    }
2366
2367    fn show_notification(
2368        &mut self,
2369        caption: impl Into<SharedString>,
2370        icon: IconName,
2371        window: &mut Window,
2372        cx: &mut Context<Self>,
2373    ) {
2374        if !self.notifications.is_empty() {
2375            return;
2376        }
2377
2378        let settings = AgentSettings::get_global(cx);
2379
2380        let should_notify = !self.agent_status_visible(window, cx);
2381
2382        if !should_notify {
2383            return;
2384        }
2385
2386        // TODO: Change this once we have title summarization for external agents.
2387        let title = self.agent.name();
2388
2389        match settings.notify_when_agent_waiting {
2390            NotifyWhenAgentWaiting::PrimaryScreen => {
2391                if let Some(primary) = cx.primary_display() {
2392                    self.pop_up(icon, caption.into(), title, window, primary, cx);
2393                }
2394            }
2395            NotifyWhenAgentWaiting::AllScreens => {
2396                let caption = caption.into();
2397                for screen in cx.displays() {
2398                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
2399                }
2400            }
2401            NotifyWhenAgentWaiting::Never => {
2402                // Don't show anything
2403            }
2404        }
2405    }
2406
2407    fn pop_up(
2408        &mut self,
2409        icon: IconName,
2410        caption: SharedString,
2411        title: SharedString,
2412        window: &mut Window,
2413        screen: Rc<dyn PlatformDisplay>,
2414        cx: &mut Context<Self>,
2415    ) {
2416        let options = AgentNotification::window_options(screen, cx);
2417
2418        let project_name = self.workspace.upgrade().and_then(|workspace| {
2419            workspace
2420                .read(cx)
2421                .project()
2422                .read(cx)
2423                .visible_worktrees(cx)
2424                .next()
2425                .map(|worktree| worktree.read(cx).root_name_str().to_string())
2426        });
2427
2428        if let Some(screen_window) = cx
2429            .open_window(options, |_window, cx| {
2430                cx.new(|_cx| {
2431                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
2432                })
2433            })
2434            .log_err()
2435            && let Some(pop_up) = screen_window.entity(cx).log_err()
2436        {
2437            self.notification_subscriptions
2438                .entry(screen_window)
2439                .or_insert_with(Vec::new)
2440                .push(cx.subscribe_in(&pop_up, window, {
2441                    |this, _, event, window, cx| match event {
2442                        AgentNotificationEvent::Accepted => {
2443                            let Some(handle) = window.window_handle().downcast::<MultiWorkspace>()
2444                            else {
2445                                log::error!("root view should be a MultiWorkspace");
2446                                return;
2447                            };
2448                            cx.activate(true);
2449
2450                            let workspace_handle = this.workspace.clone();
2451
2452                            cx.defer(move |cx| {
2453                                handle
2454                                    .update(cx, |multi_workspace, window, cx| {
2455                                        window.activate_window();
2456                                        if let Some(workspace) = workspace_handle.upgrade() {
2457                                            multi_workspace.activate(workspace.clone(), cx);
2458                                            workspace.update(cx, |workspace, cx| {
2459                                                workspace.focus_panel::<AgentPanel>(window, cx);
2460                                            });
2461                                        }
2462                                    })
2463                                    .log_err();
2464                            });
2465
2466                            this.dismiss_notifications(cx);
2467                        }
2468                        AgentNotificationEvent::Dismissed => {
2469                            this.dismiss_notifications(cx);
2470                        }
2471                    }
2472                }));
2473
2474            self.notifications.push(screen_window);
2475
2476            // If the user manually refocuses the original window, dismiss the popup.
2477            self.notification_subscriptions
2478                .entry(screen_window)
2479                .or_insert_with(Vec::new)
2480                .push({
2481                    let pop_up_weak = pop_up.downgrade();
2482
2483                    cx.observe_window_activation(window, move |this, window, cx| {
2484                        if this.agent_status_visible(window, cx)
2485                            && let Some(pop_up) = pop_up_weak.upgrade()
2486                        {
2487                            pop_up.update(cx, |notification, cx| {
2488                                notification.dismiss(cx);
2489                            });
2490                        }
2491                    })
2492                });
2493        }
2494    }
2495
2496    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
2497        for window in self.notifications.drain(..) {
2498            window
2499                .update(cx, |_, window, _| {
2500                    window.remove_window();
2501                })
2502                .ok();
2503
2504            self.notification_subscriptions.remove(&window);
2505        }
2506    }
2507
2508    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
2509        if let Some(entry_view_state) = self
2510            .active_thread()
2511            .map(|active| active.read(cx).entry_view_state.clone())
2512        {
2513            entry_view_state.update(cx, |entry_view_state, cx| {
2514                entry_view_state.agent_ui_font_size_changed(cx);
2515            });
2516        }
2517    }
2518
2519    pub(crate) fn insert_dragged_files(
2520        &self,
2521        paths: Vec<project::ProjectPath>,
2522        added_worktrees: Vec<Entity<project::Worktree>>,
2523        window: &mut Window,
2524        cx: &mut Context<Self>,
2525    ) {
2526        if let Some(active_thread) = self.active_thread() {
2527            active_thread.update(cx, |thread, cx| {
2528                thread.message_editor.update(cx, |editor, cx| {
2529                    editor.insert_dragged_files(paths, added_worktrees, window, cx);
2530                    editor.focus_handle(cx).focus(window, cx);
2531                })
2532            });
2533        }
2534    }
2535
2536    /// Inserts the selected text into the message editor or the message being
2537    /// edited, if any.
2538    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
2539        if let Some(active_thread) = self.active_thread() {
2540            active_thread.update(cx, |thread, cx| {
2541                thread.active_editor(cx).update(cx, |editor, cx| {
2542                    editor.insert_selections(window, cx);
2543                })
2544            });
2545        }
2546    }
2547
2548    /// Inserts terminal text as a crease into the message editor.
2549    pub(crate) fn insert_terminal_text(
2550        &self,
2551        text: String,
2552        window: &mut Window,
2553        cx: &mut Context<Self>,
2554    ) {
2555        if let Some(active_thread) = self.active_thread() {
2556            active_thread.update(cx, |thread, cx| {
2557                thread.message_editor.update(cx, |editor, cx| {
2558                    editor.insert_terminal_crease(text, window, cx);
2559                })
2560            });
2561        }
2562    }
2563
2564    fn current_model_name(&self, cx: &App) -> SharedString {
2565        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
2566        // For ACP agents, use the agent name (e.g., "Claude Agent", "Gemini CLI")
2567        // This provides better clarity about what refused the request
2568        if self.as_native_connection(cx).is_some() {
2569            self.active_thread()
2570                .and_then(|active| active.read(cx).model_selector.clone())
2571                .and_then(|selector| selector.read(cx).active_model(cx))
2572                .map(|model| model.name.clone())
2573                .unwrap_or_else(|| SharedString::from("The model"))
2574        } else {
2575            // ACP agent - use the agent name (e.g., "Claude Agent", "Gemini CLI")
2576            self.agent.name()
2577        }
2578    }
2579
2580    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
2581        let message = message.into();
2582
2583        CopyButton::new("copy-error-message", message).tooltip_label("Copy Error Message")
2584    }
2585
2586    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2587        let agent_name = self.agent.name();
2588        if let Some(active) = self.active_thread() {
2589            active.update(cx, |active, cx| active.clear_thread_error(cx));
2590        }
2591        let this = cx.weak_entity();
2592        let Some(connection) = self.as_connected().map(|c| c.connection.clone()) else {
2593            debug_panic!("This should not be possible");
2594            return;
2595        };
2596        window.defer(cx, |window, cx| {
2597            Self::handle_auth_required(
2598                this,
2599                AuthRequired::new(),
2600                agent_name,
2601                connection,
2602                window,
2603                cx,
2604            );
2605        })
2606    }
2607
2608    pub fn delete_history_entry(&mut self, session_id: &acp::SessionId, cx: &mut Context<Self>) {
2609        let task = self
2610            .history
2611            .update(cx, |history, cx| history.delete_session(&session_id, cx));
2612        task.detach_and_log_err(cx);
2613    }
2614}
2615
2616fn loading_contents_spinner(size: IconSize) -> AnyElement {
2617    Icon::new(IconName::LoadCircle)
2618        .size(size)
2619        .color(Color::Accent)
2620        .with_rotate_animation(3)
2621        .into_any_element()
2622}
2623
2624fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
2625    if agent_name == "Zed Agent" {
2626        format!("Message the {} — @ to include context", agent_name)
2627    } else if has_commands {
2628        format!(
2629            "Message {} — @ to include context, / for commands",
2630            agent_name
2631        )
2632    } else {
2633        format!("Message {} — @ to include context", agent_name)
2634    }
2635}
2636
2637impl Focusable for ConnectionView {
2638    fn focus_handle(&self, cx: &App) -> FocusHandle {
2639        match self.active_thread() {
2640            Some(thread) => thread.read(cx).focus_handle(cx),
2641            None => self.focus_handle.clone(),
2642        }
2643    }
2644}
2645
2646#[cfg(any(test, feature = "test-support"))]
2647impl ConnectionView {
2648    /// Expands a tool call so its content is visible.
2649    /// This is primarily useful for visual testing.
2650    pub fn expand_tool_call(&mut self, tool_call_id: acp::ToolCallId, cx: &mut Context<Self>) {
2651        if let Some(active) = self.active_thread() {
2652            active.update(cx, |active, _cx| {
2653                active.expanded_tool_calls.insert(tool_call_id);
2654            });
2655            cx.notify();
2656        }
2657    }
2658}
2659
2660impl Render for ConnectionView {
2661    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2662        self.sync_queued_message_editors(window, cx);
2663        let v2_flag = cx.has_flag::<AgentV2FeatureFlag>();
2664
2665        v_flex()
2666            .track_focus(&self.focus_handle)
2667            .size_full()
2668            .bg(cx.theme().colors().panel_background)
2669            .child(match &self.server_state {
2670                ServerState::Loading { .. } => v_flex()
2671                    .flex_1()
2672                    .when(v2_flag, |this| {
2673                        this.size_full().items_center().justify_center().child(
2674                            Label::new("Loading…").color(Color::Muted).with_animation(
2675                                "loading-agent-label",
2676                                Animation::new(Duration::from_secs(2))
2677                                    .repeat()
2678                                    .with_easing(pulsating_between(0.3, 0.7)),
2679                                |label, delta| label.alpha(delta),
2680                            ),
2681                        )
2682                    })
2683                    .into_any(),
2684                ServerState::LoadError { error: e, .. } => v_flex()
2685                    .flex_1()
2686                    .size_full()
2687                    .items_center()
2688                    .justify_end()
2689                    .child(self.render_load_error(e, window, cx))
2690                    .into_any(),
2691                ServerState::Connected(ConnectedServerState {
2692                    connection,
2693                    auth_state:
2694                        AuthState::Unauthenticated {
2695                            description,
2696                            configuration_view,
2697                            pending_auth_method,
2698                            _subscription,
2699                        },
2700                    ..
2701                }) => v_flex()
2702                    .flex_1()
2703                    .size_full()
2704                    .justify_end()
2705                    .child(self.render_auth_required_state(
2706                        connection,
2707                        description.as_ref(),
2708                        configuration_view.as_ref(),
2709                        pending_auth_method.as_ref(),
2710                        window,
2711                        cx,
2712                    ))
2713                    .into_any_element(),
2714                ServerState::Connected(connected) => {
2715                    if let Some(view) = connected.active_view() {
2716                        view.clone().into_any_element()
2717                    } else {
2718                        debug_panic!("This state should never be reached");
2719                        div().into_any_element()
2720                    }
2721                }
2722            })
2723    }
2724}
2725
2726fn plan_label_markdown_style(
2727    status: &acp::PlanEntryStatus,
2728    window: &Window,
2729    cx: &App,
2730) -> MarkdownStyle {
2731    let default_md_style = MarkdownStyle::themed(MarkdownFont::Agent, window, cx);
2732
2733    MarkdownStyle {
2734        base_text_style: TextStyle {
2735            color: cx.theme().colors().text_muted,
2736            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
2737                Some(gpui::StrikethroughStyle {
2738                    thickness: px(1.),
2739                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
2740                })
2741            } else {
2742                None
2743            },
2744            ..default_md_style.base_text_style
2745        },
2746        ..default_md_style
2747    }
2748}
2749
2750#[cfg(test)]
2751pub(crate) mod tests {
2752    use acp_thread::{
2753        AgentSessionList, AgentSessionListRequest, AgentSessionListResponse, StubAgentConnection,
2754    };
2755    use action_log::ActionLog;
2756    use agent::{AgentTool, EditFileTool, FetchTool, TerminalTool, ToolPermissionContext};
2757    use agent_client_protocol::SessionId;
2758    use assistant_text_thread::TextThreadStore;
2759    use editor::MultiBufferOffset;
2760    use fs::FakeFs;
2761    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
2762    use parking_lot::Mutex;
2763    use project::Project;
2764    use serde_json::json;
2765    use settings::SettingsStore;
2766    use std::any::Any;
2767    use std::path::{Path, PathBuf};
2768    use std::rc::Rc;
2769    use std::sync::Arc;
2770    use workspace::{Item, MultiWorkspace};
2771
2772    use crate::agent_panel;
2773
2774    use super::*;
2775
2776    #[gpui::test]
2777    async fn test_drop(cx: &mut TestAppContext) {
2778        init_test(cx);
2779
2780        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
2781        let weak_view = thread_view.downgrade();
2782        drop(thread_view);
2783        assert!(!weak_view.is_upgradable());
2784    }
2785
2786    #[gpui::test]
2787    async fn test_external_source_prompt_requires_manual_send(cx: &mut TestAppContext) {
2788        init_test(cx);
2789
2790        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2791            panic!("expected prompt from external source to sanitize successfully");
2792        };
2793        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2794
2795        let (thread_view, cx) = setup_thread_view_with_initial_content(
2796            StubAgentServer::default_response(),
2797            initial_content,
2798            cx,
2799        )
2800        .await;
2801
2802        active_thread(&thread_view, cx).read_with(cx, |view, cx| {
2803            assert!(view.show_external_source_prompt_warning);
2804            assert_eq!(view.thread.read(cx).entries().len(), 0);
2805            assert_eq!(view.message_editor.read(cx).text(cx), "Write me a script");
2806        });
2807    }
2808
2809    #[gpui::test]
2810    async fn test_external_source_prompt_warning_clears_after_send(cx: &mut TestAppContext) {
2811        init_test(cx);
2812
2813        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2814            panic!("expected prompt from external source to sanitize successfully");
2815        };
2816        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2817
2818        let (thread_view, cx) = setup_thread_view_with_initial_content(
2819            StubAgentServer::default_response(),
2820            initial_content,
2821            cx,
2822        )
2823        .await;
2824
2825        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
2826        cx.run_until_parked();
2827
2828        active_thread(&thread_view, cx).read_with(cx, |view, cx| {
2829            assert!(!view.show_external_source_prompt_warning);
2830            assert_eq!(view.message_editor.read(cx).text(cx), "");
2831            assert_eq!(view.thread.read(cx).entries().len(), 2);
2832        });
2833    }
2834
2835    #[gpui::test]
2836    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
2837        init_test(cx);
2838
2839        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
2840
2841        let message_editor = message_editor(&thread_view, cx);
2842        message_editor.update_in(cx, |editor, window, cx| {
2843            editor.set_text("Hello", window, cx);
2844        });
2845
2846        cx.deactivate_window();
2847
2848        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
2849
2850        cx.run_until_parked();
2851
2852        assert!(
2853            cx.windows()
2854                .iter()
2855                .any(|window| window.downcast::<AgentNotification>().is_some())
2856        );
2857    }
2858
2859    #[gpui::test]
2860    async fn test_notification_for_error(cx: &mut TestAppContext) {
2861        init_test(cx);
2862
2863        let (thread_view, cx) =
2864            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
2865
2866        let message_editor = message_editor(&thread_view, cx);
2867        message_editor.update_in(cx, |editor, window, cx| {
2868            editor.set_text("Hello", window, cx);
2869        });
2870
2871        cx.deactivate_window();
2872
2873        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
2874
2875        cx.run_until_parked();
2876
2877        assert!(
2878            cx.windows()
2879                .iter()
2880                .any(|window| window.downcast::<AgentNotification>().is_some())
2881        );
2882    }
2883
2884    #[gpui::test]
2885    async fn test_recent_history_refreshes_when_history_cache_updated(cx: &mut TestAppContext) {
2886        init_test(cx);
2887
2888        let session_a = AgentSessionInfo::new(SessionId::new("session-a"));
2889        let session_b = AgentSessionInfo::new(SessionId::new("session-b"));
2890
2891        let fs = FakeFs::new(cx.executor());
2892        let project = Project::test(fs, [], cx).await;
2893        let (multi_workspace, cx) =
2894            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
2895        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
2896
2897        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
2898        // Create history without an initial session list - it will be set after connection
2899        let history = cx.update(|window, cx| cx.new(|cx| ThreadHistory::new(None, window, cx)));
2900        let connection_store =
2901            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
2902
2903        let thread_view = cx.update(|window, cx| {
2904            cx.new(|cx| {
2905                ConnectionView::new(
2906                    Rc::new(StubAgentServer::default_response()),
2907                    connection_store,
2908                    ExternalAgent::Custom {
2909                        name: "Test".into(),
2910                    },
2911                    None,
2912                    None,
2913                    None,
2914                    None,
2915                    workspace.downgrade(),
2916                    project,
2917                    Some(thread_store),
2918                    None,
2919                    history.clone(),
2920                    window,
2921                    cx,
2922                )
2923            })
2924        });
2925
2926        // Wait for connection to establish
2927        cx.run_until_parked();
2928
2929        // Initially empty because StubAgentConnection.session_list() returns None
2930        active_thread(&thread_view, cx).read_with(cx, |view, _cx| {
2931            assert_eq!(view.recent_history_entries.len(), 0);
2932        });
2933
2934        // Now set the session list - this simulates external agents providing their history
2935        let list_a: Rc<dyn AgentSessionList> =
2936            Rc::new(StubSessionList::new(vec![session_a.clone()]));
2937        history.update(cx, |history, cx| {
2938            history.set_session_list(Some(list_a), cx);
2939        });
2940        cx.run_until_parked();
2941
2942        active_thread(&thread_view, cx).read_with(cx, |view, _cx| {
2943            assert_eq!(view.recent_history_entries.len(), 1);
2944            assert_eq!(
2945                view.recent_history_entries[0].session_id,
2946                session_a.session_id
2947            );
2948        });
2949
2950        // Update to a different session list
2951        let list_b: Rc<dyn AgentSessionList> =
2952            Rc::new(StubSessionList::new(vec![session_b.clone()]));
2953        history.update(cx, |history, cx| {
2954            history.set_session_list(Some(list_b), cx);
2955        });
2956        cx.run_until_parked();
2957
2958        active_thread(&thread_view, cx).read_with(cx, |view, _cx| {
2959            assert_eq!(view.recent_history_entries.len(), 1);
2960            assert_eq!(
2961                view.recent_history_entries[0].session_id,
2962                session_b.session_id
2963            );
2964        });
2965    }
2966
2967    #[gpui::test]
2968    async fn test_new_thread_creation_triggers_session_list_refresh(cx: &mut TestAppContext) {
2969        init_test(cx);
2970
2971        let session = AgentSessionInfo::new(SessionId::new("history-session"));
2972        let (thread_view, history, cx) = setup_thread_view_with_history(
2973            StubAgentServer::new(SessionHistoryConnection::new(vec![session.clone()])),
2974            cx,
2975        )
2976        .await;
2977
2978        history.read_with(cx, |history, _cx| {
2979            assert!(
2980                history.has_session_list(),
2981                "session list should be attached after thread creation"
2982            );
2983        });
2984
2985        active_thread(&thread_view, cx).read_with(cx, |view, _cx| {
2986            assert_eq!(view.recent_history_entries.len(), 1);
2987            assert_eq!(
2988                view.recent_history_entries[0].session_id,
2989                session.session_id
2990            );
2991        });
2992    }
2993
2994    #[gpui::test]
2995    async fn test_resume_without_history_adds_notice(cx: &mut TestAppContext) {
2996        init_test(cx);
2997
2998        let fs = FakeFs::new(cx.executor());
2999        let project = Project::test(fs, [], cx).await;
3000        let (multi_workspace, cx) =
3001            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3002        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3003
3004        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3005        let history = cx.update(|window, cx| cx.new(|cx| ThreadHistory::new(None, window, cx)));
3006        let connection_store =
3007            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3008
3009        let thread_view = cx.update(|window, cx| {
3010            cx.new(|cx| {
3011                ConnectionView::new(
3012                    Rc::new(StubAgentServer::new(ResumeOnlyAgentConnection)),
3013                    connection_store,
3014                    ExternalAgent::Custom {
3015                        name: "Test".into(),
3016                    },
3017                    Some(SessionId::new("resume-session")),
3018                    None,
3019                    None,
3020                    None,
3021                    workspace.downgrade(),
3022                    project,
3023                    Some(thread_store),
3024                    None,
3025                    history,
3026                    window,
3027                    cx,
3028                )
3029            })
3030        });
3031
3032        cx.run_until_parked();
3033
3034        thread_view.read_with(cx, |view, cx| {
3035            let state = view.active_thread().unwrap();
3036            assert!(state.read(cx).resumed_without_history);
3037            assert_eq!(state.read(cx).list_state.item_count(), 0);
3038        });
3039    }
3040
3041    #[gpui::test]
3042    async fn test_resume_thread_uses_session_cwd_when_inside_project(cx: &mut TestAppContext) {
3043        init_test(cx);
3044
3045        let fs = FakeFs::new(cx.executor());
3046        fs.insert_tree(
3047            "/project",
3048            json!({
3049                "subdir": {
3050                    "file.txt": "hello"
3051                }
3052            }),
3053        )
3054        .await;
3055        let project = Project::test(fs, [Path::new("/project")], cx).await;
3056        let (multi_workspace, cx) =
3057            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3058        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3059
3060        let connection = CwdCapturingConnection::new();
3061        let captured_cwd = connection.captured_cwd.clone();
3062
3063        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3064        let history = cx.update(|window, cx| cx.new(|cx| ThreadHistory::new(None, window, cx)));
3065        let connection_store =
3066            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3067
3068        let _thread_view = cx.update(|window, cx| {
3069            cx.new(|cx| {
3070                ConnectionView::new(
3071                    Rc::new(StubAgentServer::new(connection)),
3072                    connection_store,
3073                    ExternalAgent::Custom {
3074                        name: "Test".into(),
3075                    },
3076                    Some(SessionId::new("session-1")),
3077                    Some(PathBuf::from("/project/subdir")),
3078                    None,
3079                    None,
3080                    workspace.downgrade(),
3081                    project,
3082                    Some(thread_store),
3083                    None,
3084                    history,
3085                    window,
3086                    cx,
3087                )
3088            })
3089        });
3090
3091        cx.run_until_parked();
3092
3093        assert_eq!(
3094            captured_cwd.lock().as_deref(),
3095            Some(Path::new("/project/subdir")),
3096            "Should use session cwd when it's inside the project"
3097        );
3098    }
3099
3100    #[gpui::test]
3101    async fn test_resume_thread_uses_fallback_cwd_when_outside_project(cx: &mut TestAppContext) {
3102        init_test(cx);
3103
3104        let fs = FakeFs::new(cx.executor());
3105        fs.insert_tree(
3106            "/project",
3107            json!({
3108                "file.txt": "hello"
3109            }),
3110        )
3111        .await;
3112        let project = Project::test(fs, [Path::new("/project")], cx).await;
3113        let (multi_workspace, cx) =
3114            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3115        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3116
3117        let connection = CwdCapturingConnection::new();
3118        let captured_cwd = connection.captured_cwd.clone();
3119
3120        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3121        let history = cx.update(|window, cx| cx.new(|cx| ThreadHistory::new(None, window, cx)));
3122        let connection_store =
3123            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3124
3125        let _thread_view = cx.update(|window, cx| {
3126            cx.new(|cx| {
3127                ConnectionView::new(
3128                    Rc::new(StubAgentServer::new(connection)),
3129                    connection_store,
3130                    ExternalAgent::Custom {
3131                        name: "Test".into(),
3132                    },
3133                    Some(SessionId::new("session-1")),
3134                    Some(PathBuf::from("/some/other/path")),
3135                    None,
3136                    None,
3137                    workspace.downgrade(),
3138                    project,
3139                    Some(thread_store),
3140                    None,
3141                    history,
3142                    window,
3143                    cx,
3144                )
3145            })
3146        });
3147
3148        cx.run_until_parked();
3149
3150        assert_eq!(
3151            captured_cwd.lock().as_deref(),
3152            Some(Path::new("/project")),
3153            "Should use fallback project cwd when session cwd is outside the project"
3154        );
3155    }
3156
3157    #[gpui::test]
3158    async fn test_resume_thread_rejects_unnormalized_cwd_outside_project(cx: &mut TestAppContext) {
3159        init_test(cx);
3160
3161        let fs = FakeFs::new(cx.executor());
3162        fs.insert_tree(
3163            "/project",
3164            json!({
3165                "file.txt": "hello"
3166            }),
3167        )
3168        .await;
3169        let project = Project::test(fs, [Path::new("/project")], cx).await;
3170        let (multi_workspace, cx) =
3171            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3172        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3173
3174        let connection = CwdCapturingConnection::new();
3175        let captured_cwd = connection.captured_cwd.clone();
3176
3177        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3178        let history = cx.update(|window, cx| cx.new(|cx| ThreadHistory::new(None, window, cx)));
3179        let connection_store =
3180            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3181
3182        let _thread_view = cx.update(|window, cx| {
3183            cx.new(|cx| {
3184                ConnectionView::new(
3185                    Rc::new(StubAgentServer::new(connection)),
3186                    connection_store,
3187                    ExternalAgent::Custom {
3188                        name: "Test".into(),
3189                    },
3190                    Some(SessionId::new("session-1")),
3191                    Some(PathBuf::from("/project/../outside")),
3192                    None,
3193                    None,
3194                    workspace.downgrade(),
3195                    project,
3196                    Some(thread_store),
3197                    None,
3198                    history,
3199                    window,
3200                    cx,
3201                )
3202            })
3203        });
3204
3205        cx.run_until_parked();
3206
3207        assert_eq!(
3208            captured_cwd.lock().as_deref(),
3209            Some(Path::new("/project")),
3210            "Should reject unnormalized cwd that resolves outside the project and use fallback cwd"
3211        );
3212    }
3213
3214    #[gpui::test]
3215    async fn test_refusal_handling(cx: &mut TestAppContext) {
3216        init_test(cx);
3217
3218        let (thread_view, cx) =
3219            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
3220
3221        let message_editor = message_editor(&thread_view, cx);
3222        message_editor.update_in(cx, |editor, window, cx| {
3223            editor.set_text("Do something harmful", window, cx);
3224        });
3225
3226        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3227
3228        cx.run_until_parked();
3229
3230        // Check that the refusal error is set
3231        thread_view.read_with(cx, |thread_view, cx| {
3232            let state = thread_view.active_thread().unwrap();
3233            assert!(
3234                matches!(state.read(cx).thread_error, Some(ThreadError::Refusal)),
3235                "Expected refusal error to be set"
3236            );
3237        });
3238    }
3239
3240    #[gpui::test]
3241    async fn test_connect_failure_transitions_to_load_error(cx: &mut TestAppContext) {
3242        init_test(cx);
3243
3244        let (thread_view, cx) = setup_thread_view(FailingAgentServer, cx).await;
3245
3246        thread_view.read_with(cx, |view, cx| {
3247            let title = view.title(cx);
3248            assert_eq!(
3249                title.as_ref(),
3250                "Error Loading Codex CLI",
3251                "Tab title should show the agent name with an error prefix"
3252            );
3253            match &view.server_state {
3254                ServerState::LoadError {
3255                    error: LoadError::Other(msg),
3256                    ..
3257                } => {
3258                    assert!(
3259                        msg.contains("Invalid gzip header"),
3260                        "Error callout should contain the underlying extraction error, got: {msg}"
3261                    );
3262                }
3263                other => panic!(
3264                    "Expected LoadError::Other, got: {}",
3265                    match other {
3266                        ServerState::Loading(_) => "Loading (stuck!)",
3267                        ServerState::LoadError { .. } => "LoadError (wrong variant)",
3268                        ServerState::Connected(_) => "Connected",
3269                    }
3270                ),
3271            }
3272        });
3273    }
3274
3275    #[gpui::test]
3276    async fn test_auth_required_on_initial_connect(cx: &mut TestAppContext) {
3277        init_test(cx);
3278
3279        let connection = AuthGatedAgentConnection::new();
3280        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
3281
3282        // When new_session returns AuthRequired, the server should transition
3283        // to Connected + Unauthenticated rather than getting stuck in Loading.
3284        thread_view.read_with(cx, |view, _cx| {
3285            let connected = view
3286                .as_connected()
3287                .expect("Should be in Connected state even though auth is required");
3288            assert!(
3289                !connected.auth_state.is_ok(),
3290                "Auth state should be Unauthenticated"
3291            );
3292            assert!(
3293                connected.active_id.is_none(),
3294                "There should be no active thread since no session was created"
3295            );
3296            assert!(
3297                connected.threads.is_empty(),
3298                "There should be no threads since no session was created"
3299            );
3300        });
3301
3302        thread_view.read_with(cx, |view, _cx| {
3303            assert!(
3304                view.active_thread().is_none(),
3305                "active_thread() should be None when unauthenticated without a session"
3306            );
3307        });
3308
3309        // Authenticate using the real authenticate flow on ConnectionView.
3310        // This calls connection.authenticate(), which flips the internal flag,
3311        // then on success triggers reset() -> new_session() which now succeeds.
3312        thread_view.update_in(cx, |view, window, cx| {
3313            view.authenticate(
3314                acp::AuthMethodId::new(AuthGatedAgentConnection::AUTH_METHOD_ID),
3315                window,
3316                cx,
3317            );
3318        });
3319        cx.run_until_parked();
3320
3321        // After auth, the server should have an active thread in the Ok state.
3322        thread_view.read_with(cx, |view, cx| {
3323            let connected = view
3324                .as_connected()
3325                .expect("Should still be in Connected state after auth");
3326            assert!(connected.auth_state.is_ok(), "Auth state should be Ok");
3327            assert!(
3328                connected.active_id.is_some(),
3329                "There should be an active thread after successful auth"
3330            );
3331            assert_eq!(
3332                connected.threads.len(),
3333                1,
3334                "There should be exactly one thread"
3335            );
3336
3337            let active = view
3338                .active_thread()
3339                .expect("active_thread() should return the new thread");
3340            assert!(
3341                active.read(cx).thread_error.is_none(),
3342                "The new thread should have no errors"
3343            );
3344        });
3345    }
3346
3347    #[gpui::test]
3348    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
3349        init_test(cx);
3350
3351        let tool_call_id = acp::ToolCallId::new("1");
3352        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
3353            .kind(acp::ToolKind::Edit)
3354            .content(vec!["hi".into()]);
3355        let connection =
3356            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
3357                tool_call_id,
3358                PermissionOptions::Flat(vec![acp::PermissionOption::new(
3359                    "1",
3360                    "Allow",
3361                    acp::PermissionOptionKind::AllowOnce,
3362                )]),
3363            )]));
3364
3365        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
3366
3367        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
3368
3369        let message_editor = message_editor(&thread_view, cx);
3370        message_editor.update_in(cx, |editor, window, cx| {
3371            editor.set_text("Hello", window, cx);
3372        });
3373
3374        cx.deactivate_window();
3375
3376        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3377
3378        cx.run_until_parked();
3379
3380        assert!(
3381            cx.windows()
3382                .iter()
3383                .any(|window| window.downcast::<AgentNotification>().is_some())
3384        );
3385    }
3386
3387    #[gpui::test]
3388    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
3389        init_test(cx);
3390
3391        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3392
3393        add_to_workspace(thread_view.clone(), cx);
3394
3395        let message_editor = message_editor(&thread_view, cx);
3396
3397        message_editor.update_in(cx, |editor, window, cx| {
3398            editor.set_text("Hello", window, cx);
3399        });
3400
3401        // Window is active (don't deactivate), but panel will be hidden
3402        // Note: In the test environment, the panel is not actually added to the dock,
3403        // so is_agent_panel_hidden will return true
3404
3405        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3406
3407        cx.run_until_parked();
3408
3409        // Should show notification because window is active but panel is hidden
3410        assert!(
3411            cx.windows()
3412                .iter()
3413                .any(|window| window.downcast::<AgentNotification>().is_some()),
3414            "Expected notification when panel is hidden"
3415        );
3416    }
3417
3418    #[gpui::test]
3419    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
3420        init_test(cx);
3421
3422        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3423
3424        let message_editor = message_editor(&thread_view, cx);
3425        message_editor.update_in(cx, |editor, window, cx| {
3426            editor.set_text("Hello", window, cx);
3427        });
3428
3429        // Deactivate window - should show notification regardless of setting
3430        cx.deactivate_window();
3431
3432        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3433
3434        cx.run_until_parked();
3435
3436        // Should still show notification when window is inactive (existing behavior)
3437        assert!(
3438            cx.windows()
3439                .iter()
3440                .any(|window| window.downcast::<AgentNotification>().is_some()),
3441            "Expected notification when window is inactive"
3442        );
3443    }
3444
3445    #[gpui::test]
3446    async fn test_notification_when_workspace_is_background_in_multi_workspace(
3447        cx: &mut TestAppContext,
3448    ) {
3449        init_test(cx);
3450
3451        // Enable multi-workspace feature flag and init globals needed by AgentPanel
3452        let fs = FakeFs::new(cx.executor());
3453
3454        cx.update(|cx| {
3455            cx.update_flags(true, vec!["agent-v2".to_string()]);
3456            agent::ThreadStore::init_global(cx);
3457            language_model::LanguageModelRegistry::test(cx);
3458            <dyn Fs>::set_global(fs.clone(), cx);
3459        });
3460
3461        let project1 = Project::test(fs.clone(), [], cx).await;
3462
3463        // Create a MultiWorkspace window with one workspace
3464        let multi_workspace_handle =
3465            cx.add_window(|window, cx| MultiWorkspace::test_new(project1.clone(), window, cx));
3466
3467        // Get workspace 1 (the initial workspace)
3468        let workspace1 = multi_workspace_handle
3469            .read_with(cx, |mw, _cx| mw.workspace().clone())
3470            .unwrap();
3471
3472        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3473
3474        workspace1.update_in(cx, |workspace, window, cx| {
3475            let text_thread_store =
3476                cx.new(|cx| TextThreadStore::fake(workspace.project().clone(), cx));
3477            let panel =
3478                cx.new(|cx| crate::AgentPanel::new(workspace, text_thread_store, None, window, cx));
3479            workspace.add_panel(panel, window, cx);
3480
3481            // Open the dock and activate the agent panel so it's visible
3482            workspace.focus_panel::<crate::AgentPanel>(window, cx);
3483        });
3484
3485        cx.run_until_parked();
3486
3487        cx.read(|cx| {
3488            assert!(
3489                crate::AgentPanel::is_visible(&workspace1, cx),
3490                "AgentPanel should be visible in workspace1's dock"
3491            );
3492        });
3493
3494        // Set up thread view in workspace 1
3495        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3496        let history = cx.update(|window, cx| cx.new(|cx| ThreadHistory::new(None, window, cx)));
3497        let connection_store =
3498            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project1.clone(), cx)));
3499
3500        let agent = StubAgentServer::default_response();
3501        let thread_view = cx.update(|window, cx| {
3502            cx.new(|cx| {
3503                ConnectionView::new(
3504                    Rc::new(agent),
3505                    connection_store,
3506                    ExternalAgent::Custom {
3507                        name: "Test".into(),
3508                    },
3509                    None,
3510                    None,
3511                    None,
3512                    None,
3513                    workspace1.downgrade(),
3514                    project1.clone(),
3515                    Some(thread_store),
3516                    None,
3517                    history,
3518                    window,
3519                    cx,
3520                )
3521            })
3522        });
3523        cx.run_until_parked();
3524
3525        let message_editor = message_editor(&thread_view, cx);
3526        message_editor.update_in(cx, |editor, window, cx| {
3527            editor.set_text("Hello", window, cx);
3528        });
3529
3530        // Create a second workspace and switch to it.
3531        // This makes workspace1 the "background" workspace.
3532        let project2 = Project::test(fs, [], cx).await;
3533        multi_workspace_handle
3534            .update(cx, |mw, window, cx| {
3535                mw.test_add_workspace(project2, window, cx);
3536            })
3537            .unwrap();
3538
3539        cx.run_until_parked();
3540
3541        // Verify workspace1 is no longer the active workspace
3542        multi_workspace_handle
3543            .read_with(cx, |mw, _cx| {
3544                assert_eq!(mw.active_workspace_index(), 1);
3545                assert_ne!(mw.workspace(), &workspace1);
3546            })
3547            .unwrap();
3548
3549        // Window is active, agent panel is visible in workspace1, but workspace1
3550        // is in the background. The notification should show because the user
3551        // can't actually see the agent panel.
3552        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3553
3554        cx.run_until_parked();
3555
3556        assert!(
3557            cx.windows()
3558                .iter()
3559                .any(|window| window.downcast::<AgentNotification>().is_some()),
3560            "Expected notification when workspace is in background within MultiWorkspace"
3561        );
3562
3563        // Also verify: clicking "View Panel" should switch to workspace1.
3564        cx.windows()
3565            .iter()
3566            .find_map(|window| window.downcast::<AgentNotification>())
3567            .unwrap()
3568            .update(cx, |window, _, cx| window.accept(cx))
3569            .unwrap();
3570
3571        cx.run_until_parked();
3572
3573        multi_workspace_handle
3574            .read_with(cx, |mw, _cx| {
3575                assert_eq!(
3576                    mw.workspace(),
3577                    &workspace1,
3578                    "Expected workspace1 to become the active workspace after accepting notification"
3579                );
3580            })
3581            .unwrap();
3582    }
3583
3584    #[gpui::test]
3585    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
3586        init_test(cx);
3587
3588        // Set notify_when_agent_waiting to Never
3589        cx.update(|cx| {
3590            AgentSettings::override_global(
3591                AgentSettings {
3592                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
3593                    ..AgentSettings::get_global(cx).clone()
3594                },
3595                cx,
3596            );
3597        });
3598
3599        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3600
3601        let message_editor = message_editor(&thread_view, cx);
3602        message_editor.update_in(cx, |editor, window, cx| {
3603            editor.set_text("Hello", window, cx);
3604        });
3605
3606        // Window is active
3607
3608        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3609
3610        cx.run_until_parked();
3611
3612        // Should NOT show notification because notify_when_agent_waiting is Never
3613        assert!(
3614            !cx.windows()
3615                .iter()
3616                .any(|window| window.downcast::<AgentNotification>().is_some()),
3617            "Expected no notification when notify_when_agent_waiting is Never"
3618        );
3619    }
3620
3621    #[gpui::test]
3622    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
3623        init_test(cx);
3624
3625        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3626
3627        let weak_view = thread_view.downgrade();
3628
3629        let message_editor = message_editor(&thread_view, cx);
3630        message_editor.update_in(cx, |editor, window, cx| {
3631            editor.set_text("Hello", window, cx);
3632        });
3633
3634        cx.deactivate_window();
3635
3636        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3637
3638        cx.run_until_parked();
3639
3640        // Verify notification is shown
3641        assert!(
3642            cx.windows()
3643                .iter()
3644                .any(|window| window.downcast::<AgentNotification>().is_some()),
3645            "Expected notification to be shown"
3646        );
3647
3648        // Drop the thread view (simulating navigation to a new thread)
3649        drop(thread_view);
3650        drop(message_editor);
3651        // Trigger an update to flush effects, which will call release_dropped_entities
3652        cx.update(|_window, _cx| {});
3653        cx.run_until_parked();
3654
3655        // Verify the entity was actually released
3656        assert!(
3657            !weak_view.is_upgradable(),
3658            "Thread view entity should be released after dropping"
3659        );
3660
3661        // The notification should be automatically closed via on_release
3662        assert!(
3663            !cx.windows()
3664                .iter()
3665                .any(|window| window.downcast::<AgentNotification>().is_some()),
3666            "Notification should be closed when thread view is dropped"
3667        );
3668    }
3669
3670    async fn setup_thread_view(
3671        agent: impl AgentServer + 'static,
3672        cx: &mut TestAppContext,
3673    ) -> (Entity<ConnectionView>, &mut VisualTestContext) {
3674        let (thread_view, _history, cx) = setup_thread_view_with_history(agent, cx).await;
3675        (thread_view, cx)
3676    }
3677
3678    async fn setup_thread_view_with_history(
3679        agent: impl AgentServer + 'static,
3680        cx: &mut TestAppContext,
3681    ) -> (
3682        Entity<ConnectionView>,
3683        Entity<ThreadHistory>,
3684        &mut VisualTestContext,
3685    ) {
3686        setup_thread_view_with_history_and_initial_content(agent, None, cx).await
3687    }
3688
3689    async fn setup_thread_view_with_initial_content(
3690        agent: impl AgentServer + 'static,
3691        initial_content: AgentInitialContent,
3692        cx: &mut TestAppContext,
3693    ) -> (Entity<ConnectionView>, &mut VisualTestContext) {
3694        let (thread_view, _history, cx) =
3695            setup_thread_view_with_history_and_initial_content(agent, Some(initial_content), cx)
3696                .await;
3697        (thread_view, cx)
3698    }
3699
3700    async fn setup_thread_view_with_history_and_initial_content(
3701        agent: impl AgentServer + 'static,
3702        initial_content: Option<AgentInitialContent>,
3703        cx: &mut TestAppContext,
3704    ) -> (
3705        Entity<ConnectionView>,
3706        Entity<ThreadHistory>,
3707        &mut VisualTestContext,
3708    ) {
3709        let fs = FakeFs::new(cx.executor());
3710        let project = Project::test(fs, [], cx).await;
3711        let (multi_workspace, cx) =
3712            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3713        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3714
3715        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3716        let history = cx.update(|window, cx| cx.new(|cx| ThreadHistory::new(None, window, cx)));
3717        let connection_store =
3718            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3719
3720        let thread_view = cx.update(|window, cx| {
3721            cx.new(|cx| {
3722                ConnectionView::new(
3723                    Rc::new(agent),
3724                    connection_store,
3725                    ExternalAgent::Custom {
3726                        name: "Test".into(),
3727                    },
3728                    None,
3729                    None,
3730                    None,
3731                    initial_content,
3732                    workspace.downgrade(),
3733                    project,
3734                    Some(thread_store),
3735                    None,
3736                    history.clone(),
3737                    window,
3738                    cx,
3739                )
3740            })
3741        });
3742        cx.run_until_parked();
3743        (thread_view, history, cx)
3744    }
3745
3746    fn add_to_workspace(thread_view: Entity<ConnectionView>, cx: &mut VisualTestContext) {
3747        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
3748
3749        workspace
3750            .update_in(cx, |workspace, window, cx| {
3751                workspace.add_item_to_active_pane(
3752                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
3753                    None,
3754                    true,
3755                    window,
3756                    cx,
3757                );
3758            })
3759            .unwrap();
3760    }
3761
3762    struct ThreadViewItem(Entity<ConnectionView>);
3763
3764    impl Item for ThreadViewItem {
3765        type Event = ();
3766
3767        fn include_in_nav_history() -> bool {
3768            false
3769        }
3770
3771        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
3772            "Test".into()
3773        }
3774    }
3775
3776    impl EventEmitter<()> for ThreadViewItem {}
3777
3778    impl Focusable for ThreadViewItem {
3779        fn focus_handle(&self, cx: &App) -> FocusHandle {
3780            self.0.read(cx).focus_handle(cx)
3781        }
3782    }
3783
3784    impl Render for ThreadViewItem {
3785        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
3786            self.0.clone().into_any_element()
3787        }
3788    }
3789
3790    pub(crate) struct StubAgentServer<C> {
3791        connection: C,
3792    }
3793
3794    impl<C> StubAgentServer<C> {
3795        pub(crate) fn new(connection: C) -> Self {
3796            Self { connection }
3797        }
3798    }
3799
3800    impl StubAgentServer<StubAgentConnection> {
3801        pub(crate) fn default_response() -> Self {
3802            let conn = StubAgentConnection::new();
3803            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
3804                acp::ContentChunk::new("Default response".into()),
3805            )]);
3806            Self::new(conn)
3807        }
3808    }
3809
3810    impl<C> AgentServer for StubAgentServer<C>
3811    where
3812        C: 'static + AgentConnection + Send + Clone,
3813    {
3814        fn logo(&self) -> ui::IconName {
3815            ui::IconName::Ai
3816        }
3817
3818        fn name(&self) -> SharedString {
3819            "Test".into()
3820        }
3821
3822        fn connect(
3823            &self,
3824            _delegate: AgentServerDelegate,
3825            _cx: &mut App,
3826        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
3827            Task::ready(Ok(Rc::new(self.connection.clone())))
3828        }
3829
3830        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3831            self
3832        }
3833    }
3834
3835    struct FailingAgentServer;
3836
3837    impl AgentServer for FailingAgentServer {
3838        fn logo(&self) -> ui::IconName {
3839            ui::IconName::AiOpenAi
3840        }
3841
3842        fn name(&self) -> SharedString {
3843            "Codex CLI".into()
3844        }
3845
3846        fn connect(
3847            &self,
3848            _delegate: AgentServerDelegate,
3849            _cx: &mut App,
3850        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
3851            Task::ready(Err(anyhow!(
3852                "extracting downloaded asset for \
3853                 https://github.com/zed-industries/codex-acp/releases/download/v0.9.4/\
3854                 codex-acp-0.9.4-aarch64-pc-windows-msvc.zip: \
3855                 failed to iterate over archive: Invalid gzip header"
3856            )))
3857        }
3858
3859        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3860            self
3861        }
3862    }
3863
3864    #[derive(Clone)]
3865    struct StubSessionList {
3866        sessions: Vec<AgentSessionInfo>,
3867    }
3868
3869    impl StubSessionList {
3870        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
3871            Self { sessions }
3872        }
3873    }
3874
3875    impl AgentSessionList for StubSessionList {
3876        fn list_sessions(
3877            &self,
3878            _request: AgentSessionListRequest,
3879            _cx: &mut App,
3880        ) -> Task<anyhow::Result<AgentSessionListResponse>> {
3881            Task::ready(Ok(AgentSessionListResponse::new(self.sessions.clone())))
3882        }
3883
3884        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3885            self
3886        }
3887    }
3888
3889    #[derive(Clone)]
3890    struct SessionHistoryConnection {
3891        sessions: Vec<AgentSessionInfo>,
3892    }
3893
3894    impl SessionHistoryConnection {
3895        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
3896            Self { sessions }
3897        }
3898    }
3899
3900    fn build_test_thread(
3901        connection: Rc<dyn AgentConnection>,
3902        project: Entity<Project>,
3903        name: &'static str,
3904        session_id: SessionId,
3905        cx: &mut App,
3906    ) -> Entity<AcpThread> {
3907        let action_log = cx.new(|_| ActionLog::new(project.clone()));
3908        cx.new(|cx| {
3909            AcpThread::new(
3910                None,
3911                name,
3912                None,
3913                connection,
3914                project,
3915                action_log,
3916                session_id,
3917                watch::Receiver::constant(
3918                    acp::PromptCapabilities::new()
3919                        .image(true)
3920                        .audio(true)
3921                        .embedded_context(true),
3922                ),
3923                cx,
3924            )
3925        })
3926    }
3927
3928    impl AgentConnection for SessionHistoryConnection {
3929        fn telemetry_id(&self) -> SharedString {
3930            "history-connection".into()
3931        }
3932
3933        fn new_session(
3934            self: Rc<Self>,
3935            project: Entity<Project>,
3936            _cwd: &Path,
3937            cx: &mut App,
3938        ) -> Task<anyhow::Result<Entity<AcpThread>>> {
3939            let thread = build_test_thread(
3940                self,
3941                project,
3942                "SessionHistoryConnection",
3943                SessionId::new("history-session"),
3944                cx,
3945            );
3946            Task::ready(Ok(thread))
3947        }
3948
3949        fn supports_load_session(&self) -> bool {
3950            true
3951        }
3952
3953        fn session_list(&self, _cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
3954            Some(Rc::new(StubSessionList::new(self.sessions.clone())))
3955        }
3956
3957        fn auth_methods(&self) -> &[acp::AuthMethod] {
3958            &[]
3959        }
3960
3961        fn authenticate(
3962            &self,
3963            _method_id: acp::AuthMethodId,
3964            _cx: &mut App,
3965        ) -> Task<anyhow::Result<()>> {
3966            Task::ready(Ok(()))
3967        }
3968
3969        fn prompt(
3970            &self,
3971            _id: Option<acp_thread::UserMessageId>,
3972            _params: acp::PromptRequest,
3973            _cx: &mut App,
3974        ) -> Task<anyhow::Result<acp::PromptResponse>> {
3975            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
3976        }
3977
3978        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
3979
3980        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3981            self
3982        }
3983    }
3984
3985    #[derive(Clone)]
3986    struct ResumeOnlyAgentConnection;
3987
3988    impl AgentConnection for ResumeOnlyAgentConnection {
3989        fn telemetry_id(&self) -> SharedString {
3990            "resume-only".into()
3991        }
3992
3993        fn new_session(
3994            self: Rc<Self>,
3995            project: Entity<Project>,
3996            _cwd: &Path,
3997            cx: &mut gpui::App,
3998        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3999            let thread = build_test_thread(
4000                self,
4001                project,
4002                "ResumeOnlyAgentConnection",
4003                SessionId::new("new-session"),
4004                cx,
4005            );
4006            Task::ready(Ok(thread))
4007        }
4008
4009        fn supports_resume_session(&self) -> bool {
4010            true
4011        }
4012
4013        fn resume_session(
4014            self: Rc<Self>,
4015            session_id: acp::SessionId,
4016            project: Entity<Project>,
4017            _cwd: &Path,
4018            _title: Option<SharedString>,
4019            cx: &mut App,
4020        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4021            let thread =
4022                build_test_thread(self, project, "ResumeOnlyAgentConnection", session_id, cx);
4023            Task::ready(Ok(thread))
4024        }
4025
4026        fn auth_methods(&self) -> &[acp::AuthMethod] {
4027            &[]
4028        }
4029
4030        fn authenticate(
4031            &self,
4032            _method_id: acp::AuthMethodId,
4033            _cx: &mut App,
4034        ) -> Task<gpui::Result<()>> {
4035            Task::ready(Ok(()))
4036        }
4037
4038        fn prompt(
4039            &self,
4040            _id: Option<acp_thread::UserMessageId>,
4041            _params: acp::PromptRequest,
4042            _cx: &mut App,
4043        ) -> Task<gpui::Result<acp::PromptResponse>> {
4044            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4045        }
4046
4047        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4048
4049        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4050            self
4051        }
4052    }
4053
4054    /// Simulates an agent that requires authentication before a session can be
4055    /// created. `new_session` returns `AuthRequired` until `authenticate` is
4056    /// called with the correct method, after which sessions are created normally.
4057    #[derive(Clone)]
4058    struct AuthGatedAgentConnection {
4059        authenticated: Arc<Mutex<bool>>,
4060        auth_method: acp::AuthMethod,
4061    }
4062
4063    impl AuthGatedAgentConnection {
4064        const AUTH_METHOD_ID: &str = "test-login";
4065
4066        fn new() -> Self {
4067            Self {
4068                authenticated: Arc::new(Mutex::new(false)),
4069                auth_method: acp::AuthMethod::new(Self::AUTH_METHOD_ID, "Test Login"),
4070            }
4071        }
4072    }
4073
4074    impl AgentConnection for AuthGatedAgentConnection {
4075        fn telemetry_id(&self) -> SharedString {
4076            "auth-gated".into()
4077        }
4078
4079        fn new_session(
4080            self: Rc<Self>,
4081            project: Entity<Project>,
4082            cwd: &Path,
4083            cx: &mut gpui::App,
4084        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4085            if !*self.authenticated.lock() {
4086                return Task::ready(Err(acp_thread::AuthRequired::new()
4087                    .with_description("Sign in to continue".to_string())
4088                    .into()));
4089            }
4090
4091            let session_id = acp::SessionId::new("auth-gated-session");
4092            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4093            Task::ready(Ok(cx.new(|cx| {
4094                AcpThread::new(
4095                    None,
4096                    "AuthGatedAgent",
4097                    Some(cwd.to_path_buf()),
4098                    self,
4099                    project,
4100                    action_log,
4101                    session_id,
4102                    watch::Receiver::constant(
4103                        acp::PromptCapabilities::new()
4104                            .image(true)
4105                            .audio(true)
4106                            .embedded_context(true),
4107                    ),
4108                    cx,
4109                )
4110            })))
4111        }
4112
4113        fn auth_methods(&self) -> &[acp::AuthMethod] {
4114            std::slice::from_ref(&self.auth_method)
4115        }
4116
4117        fn authenticate(
4118            &self,
4119            method_id: acp::AuthMethodId,
4120            _cx: &mut App,
4121        ) -> Task<gpui::Result<()>> {
4122            if method_id == self.auth_method.id {
4123                *self.authenticated.lock() = true;
4124                Task::ready(Ok(()))
4125            } else {
4126                Task::ready(Err(anyhow::anyhow!("Unknown auth method")))
4127            }
4128        }
4129
4130        fn prompt(
4131            &self,
4132            _id: Option<acp_thread::UserMessageId>,
4133            _params: acp::PromptRequest,
4134            _cx: &mut App,
4135        ) -> Task<gpui::Result<acp::PromptResponse>> {
4136            unimplemented!()
4137        }
4138
4139        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4140            unimplemented!()
4141        }
4142
4143        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4144            self
4145        }
4146    }
4147
4148    #[derive(Clone)]
4149    struct SaboteurAgentConnection;
4150
4151    impl AgentConnection for SaboteurAgentConnection {
4152        fn telemetry_id(&self) -> SharedString {
4153            "saboteur".into()
4154        }
4155
4156        fn new_session(
4157            self: Rc<Self>,
4158            project: Entity<Project>,
4159            cwd: &Path,
4160            cx: &mut gpui::App,
4161        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4162            Task::ready(Ok(cx.new(|cx| {
4163                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4164                AcpThread::new(
4165                    None,
4166                    "SaboteurAgentConnection",
4167                    Some(cwd.to_path_buf()),
4168                    self,
4169                    project,
4170                    action_log,
4171                    SessionId::new("test"),
4172                    watch::Receiver::constant(
4173                        acp::PromptCapabilities::new()
4174                            .image(true)
4175                            .audio(true)
4176                            .embedded_context(true),
4177                    ),
4178                    cx,
4179                )
4180            })))
4181        }
4182
4183        fn auth_methods(&self) -> &[acp::AuthMethod] {
4184            &[]
4185        }
4186
4187        fn authenticate(
4188            &self,
4189            _method_id: acp::AuthMethodId,
4190            _cx: &mut App,
4191        ) -> Task<gpui::Result<()>> {
4192            unimplemented!()
4193        }
4194
4195        fn prompt(
4196            &self,
4197            _id: Option<acp_thread::UserMessageId>,
4198            _params: acp::PromptRequest,
4199            _cx: &mut App,
4200        ) -> Task<gpui::Result<acp::PromptResponse>> {
4201            Task::ready(Err(anyhow::anyhow!("Error prompting")))
4202        }
4203
4204        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4205            unimplemented!()
4206        }
4207
4208        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4209            self
4210        }
4211    }
4212
4213    /// Simulates a model which always returns a refusal response
4214    #[derive(Clone)]
4215    struct RefusalAgentConnection;
4216
4217    impl AgentConnection for RefusalAgentConnection {
4218        fn telemetry_id(&self) -> SharedString {
4219            "refusal".into()
4220        }
4221
4222        fn new_session(
4223            self: Rc<Self>,
4224            project: Entity<Project>,
4225            cwd: &Path,
4226            cx: &mut gpui::App,
4227        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4228            Task::ready(Ok(cx.new(|cx| {
4229                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4230                AcpThread::new(
4231                    None,
4232                    "RefusalAgentConnection",
4233                    Some(cwd.to_path_buf()),
4234                    self,
4235                    project,
4236                    action_log,
4237                    SessionId::new("test"),
4238                    watch::Receiver::constant(
4239                        acp::PromptCapabilities::new()
4240                            .image(true)
4241                            .audio(true)
4242                            .embedded_context(true),
4243                    ),
4244                    cx,
4245                )
4246            })))
4247        }
4248
4249        fn auth_methods(&self) -> &[acp::AuthMethod] {
4250            &[]
4251        }
4252
4253        fn authenticate(
4254            &self,
4255            _method_id: acp::AuthMethodId,
4256            _cx: &mut App,
4257        ) -> Task<gpui::Result<()>> {
4258            unimplemented!()
4259        }
4260
4261        fn prompt(
4262            &self,
4263            _id: Option<acp_thread::UserMessageId>,
4264            _params: acp::PromptRequest,
4265            _cx: &mut App,
4266        ) -> Task<gpui::Result<acp::PromptResponse>> {
4267            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
4268        }
4269
4270        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4271            unimplemented!()
4272        }
4273
4274        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4275            self
4276        }
4277    }
4278
4279    #[derive(Clone)]
4280    struct CwdCapturingConnection {
4281        captured_cwd: Arc<Mutex<Option<PathBuf>>>,
4282    }
4283
4284    impl CwdCapturingConnection {
4285        fn new() -> Self {
4286            Self {
4287                captured_cwd: Arc::new(Mutex::new(None)),
4288            }
4289        }
4290    }
4291
4292    impl AgentConnection for CwdCapturingConnection {
4293        fn telemetry_id(&self) -> SharedString {
4294            "cwd-capturing".into()
4295        }
4296
4297        fn new_session(
4298            self: Rc<Self>,
4299            project: Entity<Project>,
4300            cwd: &Path,
4301            cx: &mut gpui::App,
4302        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4303            *self.captured_cwd.lock() = Some(cwd.to_path_buf());
4304            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4305            let thread = cx.new(|cx| {
4306                AcpThread::new(
4307                    None,
4308                    "CwdCapturingConnection",
4309                    Some(cwd.to_path_buf()),
4310                    self.clone(),
4311                    project,
4312                    action_log,
4313                    SessionId::new("new-session"),
4314                    watch::Receiver::constant(
4315                        acp::PromptCapabilities::new()
4316                            .image(true)
4317                            .audio(true)
4318                            .embedded_context(true),
4319                    ),
4320                    cx,
4321                )
4322            });
4323            Task::ready(Ok(thread))
4324        }
4325
4326        fn supports_load_session(&self) -> bool {
4327            true
4328        }
4329
4330        fn load_session(
4331            self: Rc<Self>,
4332            session_id: acp::SessionId,
4333            project: Entity<Project>,
4334            cwd: &Path,
4335            _title: Option<SharedString>,
4336            cx: &mut App,
4337        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4338            *self.captured_cwd.lock() = Some(cwd.to_path_buf());
4339            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4340            let thread = cx.new(|cx| {
4341                AcpThread::new(
4342                    None,
4343                    "CwdCapturingConnection",
4344                    Some(cwd.to_path_buf()),
4345                    self.clone(),
4346                    project,
4347                    action_log,
4348                    session_id,
4349                    watch::Receiver::constant(
4350                        acp::PromptCapabilities::new()
4351                            .image(true)
4352                            .audio(true)
4353                            .embedded_context(true),
4354                    ),
4355                    cx,
4356                )
4357            });
4358            Task::ready(Ok(thread))
4359        }
4360
4361        fn auth_methods(&self) -> &[acp::AuthMethod] {
4362            &[]
4363        }
4364
4365        fn authenticate(
4366            &self,
4367            _method_id: acp::AuthMethodId,
4368            _cx: &mut App,
4369        ) -> Task<gpui::Result<()>> {
4370            Task::ready(Ok(()))
4371        }
4372
4373        fn prompt(
4374            &self,
4375            _id: Option<acp_thread::UserMessageId>,
4376            _params: acp::PromptRequest,
4377            _cx: &mut App,
4378        ) -> Task<gpui::Result<acp::PromptResponse>> {
4379            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4380        }
4381
4382        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4383
4384        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4385            self
4386        }
4387    }
4388
4389    pub(crate) fn init_test(cx: &mut TestAppContext) {
4390        cx.update(|cx| {
4391            let settings_store = SettingsStore::test(cx);
4392            cx.set_global(settings_store);
4393            theme::init(theme::LoadThemes::JustBase, cx);
4394            editor::init(cx);
4395            agent_panel::init(cx);
4396            release_channel::init(semver::Version::new(0, 0, 0), cx);
4397            prompt_store::init(cx)
4398        });
4399    }
4400
4401    fn active_thread(
4402        thread_view: &Entity<ConnectionView>,
4403        cx: &TestAppContext,
4404    ) -> Entity<ThreadView> {
4405        cx.read(|cx| {
4406            thread_view
4407                .read(cx)
4408                .active_thread()
4409                .expect("No active thread")
4410                .clone()
4411        })
4412    }
4413
4414    fn message_editor(
4415        thread_view: &Entity<ConnectionView>,
4416        cx: &TestAppContext,
4417    ) -> Entity<MessageEditor> {
4418        let thread = active_thread(thread_view, cx);
4419        cx.read(|cx| thread.read(cx).message_editor.clone())
4420    }
4421
4422    #[gpui::test]
4423    async fn test_rewind_views(cx: &mut TestAppContext) {
4424        init_test(cx);
4425
4426        let fs = FakeFs::new(cx.executor());
4427        fs.insert_tree(
4428            "/project",
4429            json!({
4430                "test1.txt": "old content 1",
4431                "test2.txt": "old content 2"
4432            }),
4433        )
4434        .await;
4435        let project = Project::test(fs, [Path::new("/project")], cx).await;
4436        let (multi_workspace, cx) =
4437            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
4438        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
4439
4440        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
4441        let history = cx.update(|window, cx| cx.new(|cx| ThreadHistory::new(None, window, cx)));
4442        let connection_store =
4443            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
4444
4445        let connection = Rc::new(StubAgentConnection::new());
4446        let thread_view = cx.update(|window, cx| {
4447            cx.new(|cx| {
4448                ConnectionView::new(
4449                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4450                    connection_store,
4451                    ExternalAgent::Custom {
4452                        name: "Test".into(),
4453                    },
4454                    None,
4455                    None,
4456                    None,
4457                    None,
4458                    workspace.downgrade(),
4459                    project.clone(),
4460                    Some(thread_store.clone()),
4461                    None,
4462                    history,
4463                    window,
4464                    cx,
4465                )
4466            })
4467        });
4468
4469        cx.run_until_parked();
4470
4471        let thread = thread_view
4472            .read_with(cx, |view, cx| {
4473                view.active_thread().map(|r| r.read(cx).thread.clone())
4474            })
4475            .unwrap();
4476
4477        // First user message
4478        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4479            acp::ToolCall::new("tool1", "Edit file 1")
4480                .kind(acp::ToolKind::Edit)
4481                .status(acp::ToolCallStatus::Completed)
4482                .content(vec![acp::ToolCallContent::Diff(
4483                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
4484                )]),
4485        )]);
4486
4487        thread
4488            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4489            .await
4490            .unwrap();
4491        cx.run_until_parked();
4492
4493        thread.read_with(cx, |thread, _cx| {
4494            assert_eq!(thread.entries().len(), 2);
4495        });
4496
4497        thread_view.read_with(cx, |view, cx| {
4498            let entry_view_state = view
4499                .active_thread()
4500                .map(|active| active.read(cx).entry_view_state.clone())
4501                .unwrap();
4502            entry_view_state.read_with(cx, |entry_view_state, _| {
4503                assert!(
4504                    entry_view_state
4505                        .entry(0)
4506                        .unwrap()
4507                        .message_editor()
4508                        .is_some()
4509                );
4510                assert!(entry_view_state.entry(1).unwrap().has_content());
4511            });
4512        });
4513
4514        // Second user message
4515        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4516            acp::ToolCall::new("tool2", "Edit file 2")
4517                .kind(acp::ToolKind::Edit)
4518                .status(acp::ToolCallStatus::Completed)
4519                .content(vec![acp::ToolCallContent::Diff(
4520                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
4521                )]),
4522        )]);
4523
4524        thread
4525            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
4526            .await
4527            .unwrap();
4528        cx.run_until_parked();
4529
4530        let second_user_message_id = thread.read_with(cx, |thread, _| {
4531            assert_eq!(thread.entries().len(), 4);
4532            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
4533                panic!();
4534            };
4535            user_message.id.clone().unwrap()
4536        });
4537
4538        thread_view.read_with(cx, |view, cx| {
4539            let entry_view_state = view
4540                .active_thread()
4541                .unwrap()
4542                .read(cx)
4543                .entry_view_state
4544                .clone();
4545            entry_view_state.read_with(cx, |entry_view_state, _| {
4546                assert!(
4547                    entry_view_state
4548                        .entry(0)
4549                        .unwrap()
4550                        .message_editor()
4551                        .is_some()
4552                );
4553                assert!(entry_view_state.entry(1).unwrap().has_content());
4554                assert!(
4555                    entry_view_state
4556                        .entry(2)
4557                        .unwrap()
4558                        .message_editor()
4559                        .is_some()
4560                );
4561                assert!(entry_view_state.entry(3).unwrap().has_content());
4562            });
4563        });
4564
4565        // Rewind to first message
4566        thread
4567            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
4568            .await
4569            .unwrap();
4570
4571        cx.run_until_parked();
4572
4573        thread.read_with(cx, |thread, _| {
4574            assert_eq!(thread.entries().len(), 2);
4575        });
4576
4577        thread_view.read_with(cx, |view, cx| {
4578            let active = view.active_thread().unwrap();
4579            active
4580                .read(cx)
4581                .entry_view_state
4582                .read_with(cx, |entry_view_state, _| {
4583                    assert!(
4584                        entry_view_state
4585                            .entry(0)
4586                            .unwrap()
4587                            .message_editor()
4588                            .is_some()
4589                    );
4590                    assert!(entry_view_state.entry(1).unwrap().has_content());
4591
4592                    // Old views should be dropped
4593                    assert!(entry_view_state.entry(2).is_none());
4594                    assert!(entry_view_state.entry(3).is_none());
4595                });
4596        });
4597    }
4598
4599    #[gpui::test]
4600    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
4601        init_test(cx);
4602
4603        let connection = StubAgentConnection::new();
4604
4605        // Each user prompt will result in a user message entry plus an agent message entry.
4606        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4607            acp::ContentChunk::new("Response 1".into()),
4608        )]);
4609
4610        let (thread_view, cx) =
4611            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4612
4613        let thread = thread_view
4614            .read_with(cx, |view, cx| {
4615                view.active_thread().map(|r| r.read(cx).thread.clone())
4616            })
4617            .unwrap();
4618
4619        thread
4620            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
4621            .await
4622            .unwrap();
4623        cx.run_until_parked();
4624
4625        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4626            acp::ContentChunk::new("Response 2".into()),
4627        )]);
4628
4629        thread
4630            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
4631            .await
4632            .unwrap();
4633        cx.run_until_parked();
4634
4635        // Move somewhere else first so we're not trivially already on the last user prompt.
4636        active_thread(&thread_view, cx).update(cx, |view, cx| {
4637            view.scroll_to_top(cx);
4638        });
4639        cx.run_until_parked();
4640
4641        active_thread(&thread_view, cx).update(cx, |view, cx| {
4642            view.scroll_to_most_recent_user_prompt(cx);
4643            let scroll_top = view.list_state.logical_scroll_top();
4644            // Entries layout is: [User1, Assistant1, User2, Assistant2]
4645            assert_eq!(scroll_top.item_ix, 2);
4646        });
4647    }
4648
4649    #[gpui::test]
4650    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
4651        cx: &mut TestAppContext,
4652    ) {
4653        init_test(cx);
4654
4655        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4656
4657        // With no entries, scrolling should be a no-op and must not panic.
4658        active_thread(&thread_view, cx).update(cx, |view, cx| {
4659            view.scroll_to_most_recent_user_prompt(cx);
4660            let scroll_top = view.list_state.logical_scroll_top();
4661            assert_eq!(scroll_top.item_ix, 0);
4662        });
4663    }
4664
4665    #[gpui::test]
4666    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
4667        init_test(cx);
4668
4669        let connection = StubAgentConnection::new();
4670
4671        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4672            acp::ContentChunk::new("Response".into()),
4673        )]);
4674
4675        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4676        add_to_workspace(thread_view.clone(), cx);
4677
4678        let message_editor = message_editor(&thread_view, cx);
4679        message_editor.update_in(cx, |editor, window, cx| {
4680            editor.set_text("Original message to edit", window, cx);
4681        });
4682        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
4683
4684        cx.run_until_parked();
4685
4686        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4687            assert_eq!(
4688                view.active_thread()
4689                    .and_then(|active| active.read(cx).editing_message),
4690                None
4691            );
4692
4693            view.active_thread()
4694                .map(|active| &active.read(cx).entry_view_state)
4695                .as_ref()
4696                .unwrap()
4697                .read(cx)
4698                .entry(0)
4699                .unwrap()
4700                .message_editor()
4701                .unwrap()
4702                .clone()
4703        });
4704
4705        // Focus
4706        cx.focus(&user_message_editor);
4707        thread_view.read_with(cx, |view, cx| {
4708            assert_eq!(
4709                view.active_thread()
4710                    .and_then(|active| active.read(cx).editing_message),
4711                Some(0)
4712            );
4713        });
4714
4715        // Edit
4716        user_message_editor.update_in(cx, |editor, window, cx| {
4717            editor.set_text("Edited message content", window, cx);
4718        });
4719
4720        // Cancel
4721        user_message_editor.update_in(cx, |_editor, window, cx| {
4722            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
4723        });
4724
4725        thread_view.read_with(cx, |view, cx| {
4726            assert_eq!(
4727                view.active_thread()
4728                    .and_then(|active| active.read(cx).editing_message),
4729                None
4730            );
4731        });
4732
4733        user_message_editor.read_with(cx, |editor, cx| {
4734            assert_eq!(editor.text(cx), "Original message to edit");
4735        });
4736    }
4737
4738    #[gpui::test]
4739    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
4740        init_test(cx);
4741
4742        let connection = StubAgentConnection::new();
4743
4744        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4745        add_to_workspace(thread_view.clone(), cx);
4746
4747        let message_editor = message_editor(&thread_view, cx);
4748        message_editor.update_in(cx, |editor, window, cx| {
4749            editor.set_text("", window, cx);
4750        });
4751
4752        let thread = cx.read(|cx| {
4753            thread_view
4754                .read(cx)
4755                .active_thread()
4756                .unwrap()
4757                .read(cx)
4758                .thread
4759                .clone()
4760        });
4761        let entries_before = cx.read(|cx| thread.read(cx).entries().len());
4762
4763        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| {
4764            view.send(window, cx);
4765        });
4766        cx.run_until_parked();
4767
4768        let entries_after = cx.read(|cx| thread.read(cx).entries().len());
4769        assert_eq!(
4770            entries_before, entries_after,
4771            "No message should be sent when editor is empty"
4772        );
4773    }
4774
4775    #[gpui::test]
4776    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
4777        init_test(cx);
4778
4779        let connection = StubAgentConnection::new();
4780
4781        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4782            acp::ContentChunk::new("Response".into()),
4783        )]);
4784
4785        let (thread_view, cx) =
4786            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4787        add_to_workspace(thread_view.clone(), cx);
4788
4789        let message_editor = message_editor(&thread_view, cx);
4790        message_editor.update_in(cx, |editor, window, cx| {
4791            editor.set_text("Original message to edit", window, cx);
4792        });
4793        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
4794
4795        cx.run_until_parked();
4796
4797        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4798            assert_eq!(
4799                view.active_thread()
4800                    .and_then(|active| active.read(cx).editing_message),
4801                None
4802            );
4803            assert_eq!(
4804                view.active_thread()
4805                    .unwrap()
4806                    .read(cx)
4807                    .thread
4808                    .read(cx)
4809                    .entries()
4810                    .len(),
4811                2
4812            );
4813
4814            view.active_thread()
4815                .map(|active| &active.read(cx).entry_view_state)
4816                .as_ref()
4817                .unwrap()
4818                .read(cx)
4819                .entry(0)
4820                .unwrap()
4821                .message_editor()
4822                .unwrap()
4823                .clone()
4824        });
4825
4826        // Focus
4827        cx.focus(&user_message_editor);
4828
4829        // Edit
4830        user_message_editor.update_in(cx, |editor, window, cx| {
4831            editor.set_text("Edited message content", window, cx);
4832        });
4833
4834        // Send
4835        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4836            acp::ContentChunk::new("New Response".into()),
4837        )]);
4838
4839        user_message_editor.update_in(cx, |_editor, window, cx| {
4840            window.dispatch_action(Box::new(Chat), cx);
4841        });
4842
4843        cx.run_until_parked();
4844
4845        thread_view.read_with(cx, |view, cx| {
4846            assert_eq!(
4847                view.active_thread()
4848                    .and_then(|active| active.read(cx).editing_message),
4849                None
4850            );
4851
4852            let entries = view
4853                .active_thread()
4854                .unwrap()
4855                .read(cx)
4856                .thread
4857                .read(cx)
4858                .entries();
4859            assert_eq!(entries.len(), 2);
4860            assert_eq!(
4861                entries[0].to_markdown(cx),
4862                "## User\n\nEdited message content\n\n"
4863            );
4864            assert_eq!(
4865                entries[1].to_markdown(cx),
4866                "## Assistant\n\nNew Response\n\n"
4867            );
4868
4869            let entry_view_state = view
4870                .active_thread()
4871                .map(|active| &active.read(cx).entry_view_state)
4872                .unwrap();
4873            let new_editor = entry_view_state.read_with(cx, |state, _cx| {
4874                assert!(!state.entry(1).unwrap().has_content());
4875                state.entry(0).unwrap().message_editor().unwrap().clone()
4876            });
4877
4878            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
4879        })
4880    }
4881
4882    #[gpui::test]
4883    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
4884        init_test(cx);
4885
4886        let connection = StubAgentConnection::new();
4887
4888        let (thread_view, cx) =
4889            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4890        add_to_workspace(thread_view.clone(), cx);
4891
4892        let message_editor = message_editor(&thread_view, cx);
4893        message_editor.update_in(cx, |editor, window, cx| {
4894            editor.set_text("Original message to edit", window, cx);
4895        });
4896        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
4897
4898        cx.run_until_parked();
4899
4900        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
4901            let thread = view.active_thread().unwrap().read(cx).thread.read(cx);
4902            assert_eq!(thread.entries().len(), 1);
4903
4904            let editor = view
4905                .active_thread()
4906                .map(|active| &active.read(cx).entry_view_state)
4907                .as_ref()
4908                .unwrap()
4909                .read(cx)
4910                .entry(0)
4911                .unwrap()
4912                .message_editor()
4913                .unwrap()
4914                .clone();
4915
4916            (editor, thread.session_id().clone())
4917        });
4918
4919        // Focus
4920        cx.focus(&user_message_editor);
4921
4922        thread_view.read_with(cx, |view, cx| {
4923            assert_eq!(
4924                view.active_thread()
4925                    .and_then(|active| active.read(cx).editing_message),
4926                Some(0)
4927            );
4928        });
4929
4930        // Edit
4931        user_message_editor.update_in(cx, |editor, window, cx| {
4932            editor.set_text("Edited message content", window, cx);
4933        });
4934
4935        thread_view.read_with(cx, |view, cx| {
4936            assert_eq!(
4937                view.active_thread()
4938                    .and_then(|active| active.read(cx).editing_message),
4939                Some(0)
4940            );
4941        });
4942
4943        // Finish streaming response
4944        cx.update(|_, cx| {
4945            connection.send_update(
4946                session_id.clone(),
4947                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
4948                cx,
4949            );
4950            connection.end_turn(session_id, acp::StopReason::EndTurn);
4951        });
4952
4953        thread_view.read_with(cx, |view, cx| {
4954            assert_eq!(
4955                view.active_thread()
4956                    .and_then(|active| active.read(cx).editing_message),
4957                Some(0)
4958            );
4959        });
4960
4961        cx.run_until_parked();
4962
4963        // Should still be editing
4964        cx.update(|window, cx| {
4965            assert!(user_message_editor.focus_handle(cx).is_focused(window));
4966            assert_eq!(
4967                thread_view
4968                    .read(cx)
4969                    .active_thread()
4970                    .and_then(|active| active.read(cx).editing_message),
4971                Some(0)
4972            );
4973            assert_eq!(
4974                user_message_editor.read(cx).text(cx),
4975                "Edited message content"
4976            );
4977        });
4978    }
4979
4980    struct GeneratingThreadSetup {
4981        thread_view: Entity<ConnectionView>,
4982        thread: Entity<AcpThread>,
4983        message_editor: Entity<MessageEditor>,
4984    }
4985
4986    async fn setup_generating_thread(
4987        cx: &mut TestAppContext,
4988    ) -> (GeneratingThreadSetup, &mut VisualTestContext) {
4989        let connection = StubAgentConnection::new();
4990
4991        let (thread_view, cx) =
4992            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4993        add_to_workspace(thread_view.clone(), cx);
4994
4995        let message_editor = message_editor(&thread_view, cx);
4996        message_editor.update_in(cx, |editor, window, cx| {
4997            editor.set_text("Hello", window, cx);
4998        });
4999        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5000
5001        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5002            let thread = view
5003                .active_thread()
5004                .as_ref()
5005                .unwrap()
5006                .read(cx)
5007                .thread
5008                .clone();
5009            (thread.clone(), thread.read(cx).session_id().clone())
5010        });
5011
5012        cx.run_until_parked();
5013
5014        cx.update(|_, cx| {
5015            connection.send_update(
5016                session_id.clone(),
5017                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5018                    "Response chunk".into(),
5019                )),
5020                cx,
5021            );
5022        });
5023
5024        cx.run_until_parked();
5025
5026        thread.read_with(cx, |thread, _cx| {
5027            assert_eq!(thread.status(), ThreadStatus::Generating);
5028        });
5029
5030        (
5031            GeneratingThreadSetup {
5032                thread_view,
5033                thread,
5034                message_editor,
5035            },
5036            cx,
5037        )
5038    }
5039
5040    #[gpui::test]
5041    async fn test_escape_cancels_generation_from_conversation_focus(cx: &mut TestAppContext) {
5042        init_test(cx);
5043
5044        let (setup, cx) = setup_generating_thread(cx).await;
5045
5046        let focus_handle = setup
5047            .thread_view
5048            .read_with(cx, |view, cx| view.focus_handle(cx));
5049        cx.update(|window, cx| {
5050            window.focus(&focus_handle, cx);
5051        });
5052
5053        setup.thread_view.update_in(cx, |_, window, cx| {
5054            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5055        });
5056
5057        cx.run_until_parked();
5058
5059        setup.thread.read_with(cx, |thread, _cx| {
5060            assert_eq!(thread.status(), ThreadStatus::Idle);
5061        });
5062    }
5063
5064    #[gpui::test]
5065    async fn test_escape_cancels_generation_from_editor_focus(cx: &mut TestAppContext) {
5066        init_test(cx);
5067
5068        let (setup, cx) = setup_generating_thread(cx).await;
5069
5070        let editor_focus_handle = setup
5071            .message_editor
5072            .read_with(cx, |editor, cx| editor.focus_handle(cx));
5073        cx.update(|window, cx| {
5074            window.focus(&editor_focus_handle, cx);
5075        });
5076
5077        setup.message_editor.update_in(cx, |_, window, cx| {
5078            window.dispatch_action(editor::actions::Cancel.boxed_clone(), cx);
5079        });
5080
5081        cx.run_until_parked();
5082
5083        setup.thread.read_with(cx, |thread, _cx| {
5084            assert_eq!(thread.status(), ThreadStatus::Idle);
5085        });
5086    }
5087
5088    #[gpui::test]
5089    async fn test_escape_when_idle_is_noop(cx: &mut TestAppContext) {
5090        init_test(cx);
5091
5092        let (thread_view, cx) =
5093            setup_thread_view(StubAgentServer::new(StubAgentConnection::new()), cx).await;
5094        add_to_workspace(thread_view.clone(), cx);
5095
5096        let thread = thread_view.read_with(cx, |view, cx| {
5097            view.active_thread().unwrap().read(cx).thread.clone()
5098        });
5099
5100        thread.read_with(cx, |thread, _cx| {
5101            assert_eq!(thread.status(), ThreadStatus::Idle);
5102        });
5103
5104        let focus_handle = thread_view.read_with(cx, |view, _cx| view.focus_handle.clone());
5105        cx.update(|window, cx| {
5106            window.focus(&focus_handle, cx);
5107        });
5108
5109        thread_view.update_in(cx, |_, window, cx| {
5110            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5111        });
5112
5113        cx.run_until_parked();
5114
5115        thread.read_with(cx, |thread, _cx| {
5116            assert_eq!(thread.status(), ThreadStatus::Idle);
5117        });
5118    }
5119
5120    #[gpui::test]
5121    async fn test_interrupt(cx: &mut TestAppContext) {
5122        init_test(cx);
5123
5124        let connection = StubAgentConnection::new();
5125
5126        let (thread_view, cx) =
5127            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5128        add_to_workspace(thread_view.clone(), cx);
5129
5130        let message_editor = message_editor(&thread_view, cx);
5131        message_editor.update_in(cx, |editor, window, cx| {
5132            editor.set_text("Message 1", window, cx);
5133        });
5134        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5135
5136        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5137            let thread = view.active_thread().unwrap().read(cx).thread.clone();
5138
5139            (thread.clone(), thread.read(cx).session_id().clone())
5140        });
5141
5142        cx.run_until_parked();
5143
5144        cx.update(|_, cx| {
5145            connection.send_update(
5146                session_id.clone(),
5147                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5148                    "Message 1 resp".into(),
5149                )),
5150                cx,
5151            );
5152        });
5153
5154        cx.run_until_parked();
5155
5156        thread.read_with(cx, |thread, cx| {
5157            assert_eq!(
5158                thread.to_markdown(cx),
5159                indoc::indoc! {"
5160                        ## User
5161
5162                        Message 1
5163
5164                        ## Assistant
5165
5166                        Message 1 resp
5167
5168                    "}
5169            )
5170        });
5171
5172        message_editor.update_in(cx, |editor, window, cx| {
5173            editor.set_text("Message 2", window, cx);
5174        });
5175        active_thread(&thread_view, cx)
5176            .update_in(cx, |view, window, cx| view.interrupt_and_send(window, cx));
5177
5178        cx.update(|_, cx| {
5179            // Simulate a response sent after beginning to cancel
5180            connection.send_update(
5181                session_id.clone(),
5182                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
5183                cx,
5184            );
5185        });
5186
5187        cx.run_until_parked();
5188
5189        // Last Message 1 response should appear before Message 2
5190        thread.read_with(cx, |thread, cx| {
5191            assert_eq!(
5192                thread.to_markdown(cx),
5193                indoc::indoc! {"
5194                        ## User
5195
5196                        Message 1
5197
5198                        ## Assistant
5199
5200                        Message 1 response
5201
5202                        ## User
5203
5204                        Message 2
5205
5206                    "}
5207            )
5208        });
5209
5210        cx.update(|_, cx| {
5211            connection.send_update(
5212                session_id.clone(),
5213                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5214                    "Message 2 response".into(),
5215                )),
5216                cx,
5217            );
5218            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5219        });
5220
5221        cx.run_until_parked();
5222
5223        thread.read_with(cx, |thread, cx| {
5224            assert_eq!(
5225                thread.to_markdown(cx),
5226                indoc::indoc! {"
5227                        ## User
5228
5229                        Message 1
5230
5231                        ## Assistant
5232
5233                        Message 1 response
5234
5235                        ## User
5236
5237                        Message 2
5238
5239                        ## Assistant
5240
5241                        Message 2 response
5242
5243                    "}
5244            )
5245        });
5246    }
5247
5248    #[gpui::test]
5249    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
5250        init_test(cx);
5251
5252        let connection = StubAgentConnection::new();
5253        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5254            acp::ContentChunk::new("Response".into()),
5255        )]);
5256
5257        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5258        add_to_workspace(thread_view.clone(), cx);
5259
5260        let message_editor = message_editor(&thread_view, cx);
5261        message_editor.update_in(cx, |editor, window, cx| {
5262            editor.set_text("Original message to edit", window, cx)
5263        });
5264        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5265        cx.run_until_parked();
5266
5267        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
5268            thread_view
5269                .active_thread()
5270                .map(|active| &active.read(cx).entry_view_state)
5271                .as_ref()
5272                .unwrap()
5273                .read(cx)
5274                .entry(0)
5275                .expect("Should have at least one entry")
5276                .message_editor()
5277                .expect("Should have message editor")
5278                .clone()
5279        });
5280
5281        cx.focus(&user_message_editor);
5282        thread_view.read_with(cx, |view, cx| {
5283            assert_eq!(
5284                view.active_thread()
5285                    .and_then(|active| active.read(cx).editing_message),
5286                Some(0)
5287            );
5288        });
5289
5290        // Ensure to edit the focused message before proceeding otherwise, since
5291        // its content is not different from what was sent, focus will be lost.
5292        user_message_editor.update_in(cx, |editor, window, cx| {
5293            editor.set_text("Original message to edit with ", window, cx)
5294        });
5295
5296        // Create a simple buffer with some text so we can create a selection
5297        // that will then be added to the message being edited.
5298        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
5299            (thread_view.workspace.clone(), thread_view.project.clone())
5300        });
5301        let buffer = project.update(cx, |project, cx| {
5302            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5303        });
5304
5305        workspace
5306            .update_in(cx, |workspace, window, cx| {
5307                let editor = cx.new(|cx| {
5308                    let mut editor =
5309                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5310
5311                    editor.change_selections(Default::default(), window, cx, |selections| {
5312                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5313                    });
5314
5315                    editor
5316                });
5317                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5318            })
5319            .unwrap();
5320
5321        thread_view.update_in(cx, |view, window, cx| {
5322            assert_eq!(
5323                view.active_thread()
5324                    .and_then(|active| active.read(cx).editing_message),
5325                Some(0)
5326            );
5327            view.insert_selections(window, cx);
5328        });
5329
5330        user_message_editor.read_with(cx, |editor, cx| {
5331            let text = editor.editor().read(cx).text(cx);
5332            let expected_text = String::from("Original message to edit with selection ");
5333
5334            assert_eq!(text, expected_text);
5335        });
5336    }
5337
5338    #[gpui::test]
5339    async fn test_insert_selections(cx: &mut TestAppContext) {
5340        init_test(cx);
5341
5342        let connection = StubAgentConnection::new();
5343        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5344            acp::ContentChunk::new("Response".into()),
5345        )]);
5346
5347        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5348        add_to_workspace(thread_view.clone(), cx);
5349
5350        let message_editor = message_editor(&thread_view, cx);
5351        message_editor.update_in(cx, |editor, window, cx| {
5352            editor.set_text("Can you review this snippet ", window, cx)
5353        });
5354
5355        // Create a simple buffer with some text so we can create a selection
5356        // that will then be added to the message being edited.
5357        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
5358            (thread_view.workspace.clone(), thread_view.project.clone())
5359        });
5360        let buffer = project.update(cx, |project, cx| {
5361            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5362        });
5363
5364        workspace
5365            .update_in(cx, |workspace, window, cx| {
5366                let editor = cx.new(|cx| {
5367                    let mut editor =
5368                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5369
5370                    editor.change_selections(Default::default(), window, cx, |selections| {
5371                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5372                    });
5373
5374                    editor
5375                });
5376                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5377            })
5378            .unwrap();
5379
5380        thread_view.update_in(cx, |view, window, cx| {
5381            assert_eq!(
5382                view.active_thread()
5383                    .and_then(|active| active.read(cx).editing_message),
5384                None
5385            );
5386            view.insert_selections(window, cx);
5387        });
5388
5389        message_editor.read_with(cx, |editor, cx| {
5390            let text = editor.text(cx);
5391            let expected_txt = String::from("Can you review this snippet selection ");
5392
5393            assert_eq!(text, expected_txt);
5394        })
5395    }
5396
5397    #[gpui::test]
5398    async fn test_tool_permission_buttons_terminal_with_pattern(cx: &mut TestAppContext) {
5399        init_test(cx);
5400
5401        let tool_call_id = acp::ToolCallId::new("terminal-1");
5402        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `cargo build --release`")
5403            .kind(acp::ToolKind::Edit);
5404
5405        let permission_options = ToolPermissionContext::new(
5406            TerminalTool::NAME,
5407            vec!["cargo build --release".to_string()],
5408        )
5409        .build_permission_options();
5410
5411        let connection =
5412            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5413                tool_call_id.clone(),
5414                permission_options,
5415            )]));
5416
5417        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5418
5419        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5420
5421        // Disable notifications to avoid popup windows
5422        cx.update(|_window, cx| {
5423            AgentSettings::override_global(
5424                AgentSettings {
5425                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5426                    ..AgentSettings::get_global(cx).clone()
5427                },
5428                cx,
5429            );
5430        });
5431
5432        let message_editor = message_editor(&thread_view, cx);
5433        message_editor.update_in(cx, |editor, window, cx| {
5434            editor.set_text("Run cargo build", window, cx);
5435        });
5436
5437        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5438
5439        cx.run_until_parked();
5440
5441        // Verify the tool call is in WaitingForConfirmation state with the expected options
5442        thread_view.read_with(cx, |thread_view, cx| {
5443            let thread = thread_view
5444                .active_thread()
5445                .expect("Thread should exist")
5446                .read(cx)
5447                .thread
5448                .clone();
5449            let thread = thread.read(cx);
5450
5451            let tool_call = thread.entries().iter().find_map(|entry| {
5452                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5453                    Some(call)
5454                } else {
5455                    None
5456                }
5457            });
5458
5459            assert!(tool_call.is_some(), "Expected a tool call entry");
5460            let tool_call = tool_call.unwrap();
5461
5462            // Verify it's waiting for confirmation
5463            assert!(
5464                matches!(
5465                    tool_call.status,
5466                    acp_thread::ToolCallStatus::WaitingForConfirmation { .. }
5467                ),
5468                "Expected WaitingForConfirmation status, got {:?}",
5469                tool_call.status
5470            );
5471
5472            // Verify the options count (granularity options only, no separate Deny option)
5473            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5474                &tool_call.status
5475            {
5476                let PermissionOptions::Dropdown(choices) = options else {
5477                    panic!("Expected dropdown permission options");
5478                };
5479
5480                assert_eq!(
5481                    choices.len(),
5482                    3,
5483                    "Expected 3 permission options (granularity only)"
5484                );
5485
5486                // Verify specific button labels (now using neutral names)
5487                let labels: Vec<&str> = choices
5488                    .iter()
5489                    .map(|choice| choice.allow.name.as_ref())
5490                    .collect();
5491                assert!(
5492                    labels.contains(&"Always for terminal"),
5493                    "Missing 'Always for terminal' option"
5494                );
5495                assert!(
5496                    labels.contains(&"Always for `cargo build` commands"),
5497                    "Missing pattern option"
5498                );
5499                assert!(
5500                    labels.contains(&"Only this time"),
5501                    "Missing 'Only this time' option"
5502                );
5503            }
5504        });
5505    }
5506
5507    #[gpui::test]
5508    async fn test_tool_permission_buttons_edit_file_with_path_pattern(cx: &mut TestAppContext) {
5509        init_test(cx);
5510
5511        let tool_call_id = acp::ToolCallId::new("edit-file-1");
5512        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Edit `src/main.rs`")
5513            .kind(acp::ToolKind::Edit);
5514
5515        let permission_options =
5516            ToolPermissionContext::new(EditFileTool::NAME, vec!["src/main.rs".to_string()])
5517                .build_permission_options();
5518
5519        let connection =
5520            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5521                tool_call_id.clone(),
5522                permission_options,
5523            )]));
5524
5525        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5526
5527        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5528
5529        // Disable notifications
5530        cx.update(|_window, cx| {
5531            AgentSettings::override_global(
5532                AgentSettings {
5533                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5534                    ..AgentSettings::get_global(cx).clone()
5535                },
5536                cx,
5537            );
5538        });
5539
5540        let message_editor = message_editor(&thread_view, cx);
5541        message_editor.update_in(cx, |editor, window, cx| {
5542            editor.set_text("Edit the main file", window, cx);
5543        });
5544
5545        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5546
5547        cx.run_until_parked();
5548
5549        // Verify the options
5550        thread_view.read_with(cx, |thread_view, cx| {
5551            let thread = thread_view
5552                .active_thread()
5553                .expect("Thread should exist")
5554                .read(cx)
5555                .thread
5556                .clone();
5557            let thread = thread.read(cx);
5558
5559            let tool_call = thread.entries().iter().find_map(|entry| {
5560                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5561                    Some(call)
5562                } else {
5563                    None
5564                }
5565            });
5566
5567            assert!(tool_call.is_some(), "Expected a tool call entry");
5568            let tool_call = tool_call.unwrap();
5569
5570            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5571                &tool_call.status
5572            {
5573                let PermissionOptions::Dropdown(choices) = options else {
5574                    panic!("Expected dropdown permission options");
5575                };
5576
5577                let labels: Vec<&str> = choices
5578                    .iter()
5579                    .map(|choice| choice.allow.name.as_ref())
5580                    .collect();
5581                assert!(
5582                    labels.contains(&"Always for edit file"),
5583                    "Missing 'Always for edit file' option"
5584                );
5585                assert!(
5586                    labels.contains(&"Always for `src/`"),
5587                    "Missing path pattern option"
5588                );
5589            } else {
5590                panic!("Expected WaitingForConfirmation status");
5591            }
5592        });
5593    }
5594
5595    #[gpui::test]
5596    async fn test_tool_permission_buttons_fetch_with_domain_pattern(cx: &mut TestAppContext) {
5597        init_test(cx);
5598
5599        let tool_call_id = acp::ToolCallId::new("fetch-1");
5600        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Fetch `https://docs.rs/gpui`")
5601            .kind(acp::ToolKind::Fetch);
5602
5603        let permission_options =
5604            ToolPermissionContext::new(FetchTool::NAME, vec!["https://docs.rs/gpui".to_string()])
5605                .build_permission_options();
5606
5607        let connection =
5608            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5609                tool_call_id.clone(),
5610                permission_options,
5611            )]));
5612
5613        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5614
5615        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5616
5617        // Disable notifications
5618        cx.update(|_window, cx| {
5619            AgentSettings::override_global(
5620                AgentSettings {
5621                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5622                    ..AgentSettings::get_global(cx).clone()
5623                },
5624                cx,
5625            );
5626        });
5627
5628        let message_editor = message_editor(&thread_view, cx);
5629        message_editor.update_in(cx, |editor, window, cx| {
5630            editor.set_text("Fetch the docs", window, cx);
5631        });
5632
5633        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5634
5635        cx.run_until_parked();
5636
5637        // Verify the options
5638        thread_view.read_with(cx, |thread_view, cx| {
5639            let thread = thread_view
5640                .active_thread()
5641                .expect("Thread should exist")
5642                .read(cx)
5643                .thread
5644                .clone();
5645            let thread = thread.read(cx);
5646
5647            let tool_call = thread.entries().iter().find_map(|entry| {
5648                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5649                    Some(call)
5650                } else {
5651                    None
5652                }
5653            });
5654
5655            assert!(tool_call.is_some(), "Expected a tool call entry");
5656            let tool_call = tool_call.unwrap();
5657
5658            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5659                &tool_call.status
5660            {
5661                let PermissionOptions::Dropdown(choices) = options else {
5662                    panic!("Expected dropdown permission options");
5663                };
5664
5665                let labels: Vec<&str> = choices
5666                    .iter()
5667                    .map(|choice| choice.allow.name.as_ref())
5668                    .collect();
5669                assert!(
5670                    labels.contains(&"Always for fetch"),
5671                    "Missing 'Always for fetch' option"
5672                );
5673                assert!(
5674                    labels.contains(&"Always for `docs.rs`"),
5675                    "Missing domain pattern option"
5676                );
5677            } else {
5678                panic!("Expected WaitingForConfirmation status");
5679            }
5680        });
5681    }
5682
5683    #[gpui::test]
5684    async fn test_tool_permission_buttons_without_pattern(cx: &mut TestAppContext) {
5685        init_test(cx);
5686
5687        let tool_call_id = acp::ToolCallId::new("terminal-no-pattern-1");
5688        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `./deploy.sh --production`")
5689            .kind(acp::ToolKind::Edit);
5690
5691        // No pattern button since ./deploy.sh doesn't match the alphanumeric pattern
5692        let permission_options = ToolPermissionContext::new(
5693            TerminalTool::NAME,
5694            vec!["./deploy.sh --production".to_string()],
5695        )
5696        .build_permission_options();
5697
5698        let connection =
5699            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5700                tool_call_id.clone(),
5701                permission_options,
5702            )]));
5703
5704        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5705
5706        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5707
5708        // Disable notifications
5709        cx.update(|_window, cx| {
5710            AgentSettings::override_global(
5711                AgentSettings {
5712                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5713                    ..AgentSettings::get_global(cx).clone()
5714                },
5715                cx,
5716            );
5717        });
5718
5719        let message_editor = message_editor(&thread_view, cx);
5720        message_editor.update_in(cx, |editor, window, cx| {
5721            editor.set_text("Run the deploy script", window, cx);
5722        });
5723
5724        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5725
5726        cx.run_until_parked();
5727
5728        // Verify only 2 options (no pattern button when command doesn't match pattern)
5729        thread_view.read_with(cx, |thread_view, cx| {
5730            let thread = thread_view
5731                .active_thread()
5732                .expect("Thread should exist")
5733                .read(cx)
5734                .thread
5735                .clone();
5736            let thread = thread.read(cx);
5737
5738            let tool_call = thread.entries().iter().find_map(|entry| {
5739                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5740                    Some(call)
5741                } else {
5742                    None
5743                }
5744            });
5745
5746            assert!(tool_call.is_some(), "Expected a tool call entry");
5747            let tool_call = tool_call.unwrap();
5748
5749            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5750                &tool_call.status
5751            {
5752                let PermissionOptions::Dropdown(choices) = options else {
5753                    panic!("Expected dropdown permission options");
5754                };
5755
5756                assert_eq!(
5757                    choices.len(),
5758                    2,
5759                    "Expected 2 permission options (no pattern option)"
5760                );
5761
5762                let labels: Vec<&str> = choices
5763                    .iter()
5764                    .map(|choice| choice.allow.name.as_ref())
5765                    .collect();
5766                assert!(
5767                    labels.contains(&"Always for terminal"),
5768                    "Missing 'Always for terminal' option"
5769                );
5770                assert!(
5771                    labels.contains(&"Only this time"),
5772                    "Missing 'Only this time' option"
5773                );
5774                // Should NOT contain a pattern option
5775                assert!(
5776                    !labels.iter().any(|l| l.contains("commands")),
5777                    "Should not have pattern option"
5778                );
5779            } else {
5780                panic!("Expected WaitingForConfirmation status");
5781            }
5782        });
5783    }
5784
5785    #[gpui::test]
5786    async fn test_authorize_tool_call_action_triggers_authorization(cx: &mut TestAppContext) {
5787        init_test(cx);
5788
5789        let tool_call_id = acp::ToolCallId::new("action-test-1");
5790        let tool_call =
5791            acp::ToolCall::new(tool_call_id.clone(), "Run `cargo test`").kind(acp::ToolKind::Edit);
5792
5793        let permission_options =
5794            ToolPermissionContext::new(TerminalTool::NAME, vec!["cargo test".to_string()])
5795                .build_permission_options();
5796
5797        let connection =
5798            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5799                tool_call_id.clone(),
5800                permission_options,
5801            )]));
5802
5803        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5804
5805        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5806        add_to_workspace(thread_view.clone(), cx);
5807
5808        cx.update(|_window, cx| {
5809            AgentSettings::override_global(
5810                AgentSettings {
5811                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5812                    ..AgentSettings::get_global(cx).clone()
5813                },
5814                cx,
5815            );
5816        });
5817
5818        let message_editor = message_editor(&thread_view, cx);
5819        message_editor.update_in(cx, |editor, window, cx| {
5820            editor.set_text("Run tests", window, cx);
5821        });
5822
5823        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5824
5825        cx.run_until_parked();
5826
5827        // Verify tool call is waiting for confirmation
5828        thread_view.read_with(cx, |thread_view, cx| {
5829            let tool_call = thread_view.pending_tool_call(cx);
5830            assert!(
5831                tool_call.is_some(),
5832                "Expected a tool call waiting for confirmation"
5833            );
5834        });
5835
5836        // Dispatch the AuthorizeToolCall action (simulating dropdown menu selection)
5837        thread_view.update_in(cx, |_, window, cx| {
5838            window.dispatch_action(
5839                crate::AuthorizeToolCall {
5840                    tool_call_id: "action-test-1".to_string(),
5841                    option_id: "allow".to_string(),
5842                    option_kind: "AllowOnce".to_string(),
5843                }
5844                .boxed_clone(),
5845                cx,
5846            );
5847        });
5848
5849        cx.run_until_parked();
5850
5851        // Verify tool call is no longer waiting for confirmation (was authorized)
5852        thread_view.read_with(cx, |thread_view, cx| {
5853            let tool_call = thread_view.pending_tool_call(cx);
5854            assert!(
5855                tool_call.is_none(),
5856                "Tool call should no longer be waiting for confirmation after AuthorizeToolCall action"
5857            );
5858        });
5859    }
5860
5861    #[gpui::test]
5862    async fn test_authorize_tool_call_action_with_pattern_option(cx: &mut TestAppContext) {
5863        init_test(cx);
5864
5865        let tool_call_id = acp::ToolCallId::new("pattern-action-test-1");
5866        let tool_call =
5867            acp::ToolCall::new(tool_call_id.clone(), "Run `npm install`").kind(acp::ToolKind::Edit);
5868
5869        let permission_options =
5870            ToolPermissionContext::new(TerminalTool::NAME, vec!["npm install".to_string()])
5871                .build_permission_options();
5872
5873        let connection =
5874            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5875                tool_call_id.clone(),
5876                permission_options.clone(),
5877            )]));
5878
5879        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5880
5881        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5882        add_to_workspace(thread_view.clone(), cx);
5883
5884        cx.update(|_window, cx| {
5885            AgentSettings::override_global(
5886                AgentSettings {
5887                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5888                    ..AgentSettings::get_global(cx).clone()
5889                },
5890                cx,
5891            );
5892        });
5893
5894        let message_editor = message_editor(&thread_view, cx);
5895        message_editor.update_in(cx, |editor, window, cx| {
5896            editor.set_text("Install dependencies", window, cx);
5897        });
5898
5899        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5900
5901        cx.run_until_parked();
5902
5903        // Find the pattern option ID
5904        let pattern_option = match &permission_options {
5905            PermissionOptions::Dropdown(choices) => choices
5906                .iter()
5907                .find(|choice| {
5908                    choice
5909                        .allow
5910                        .option_id
5911                        .0
5912                        .starts_with("always_allow_pattern:")
5913                })
5914                .map(|choice| &choice.allow)
5915                .expect("Should have a pattern option for npm command"),
5916            _ => panic!("Expected dropdown permission options"),
5917        };
5918
5919        // Dispatch action with the pattern option (simulating "Always allow `npm` commands")
5920        thread_view.update_in(cx, |_, window, cx| {
5921            window.dispatch_action(
5922                crate::AuthorizeToolCall {
5923                    tool_call_id: "pattern-action-test-1".to_string(),
5924                    option_id: pattern_option.option_id.0.to_string(),
5925                    option_kind: "AllowAlways".to_string(),
5926                }
5927                .boxed_clone(),
5928                cx,
5929            );
5930        });
5931
5932        cx.run_until_parked();
5933
5934        // Verify tool call was authorized
5935        thread_view.read_with(cx, |thread_view, cx| {
5936            let tool_call = thread_view.pending_tool_call(cx);
5937            assert!(
5938                tool_call.is_none(),
5939                "Tool call should be authorized after selecting pattern option"
5940            );
5941        });
5942    }
5943
5944    #[gpui::test]
5945    async fn test_deny_button_uses_selected_granularity(cx: &mut TestAppContext) {
5946        init_test(cx);
5947
5948        let tool_call_id = acp::ToolCallId::new("deny-granularity-test-1");
5949        let tool_call =
5950            acp::ToolCall::new(tool_call_id.clone(), "Run `git push`").kind(acp::ToolKind::Edit);
5951
5952        let permission_options =
5953            ToolPermissionContext::new(TerminalTool::NAME, vec!["git push".to_string()])
5954                .build_permission_options();
5955
5956        let connection =
5957            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5958                tool_call_id.clone(),
5959                permission_options.clone(),
5960            )]));
5961
5962        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5963
5964        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5965        add_to_workspace(thread_view.clone(), cx);
5966
5967        cx.update(|_window, cx| {
5968            AgentSettings::override_global(
5969                AgentSettings {
5970                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5971                    ..AgentSettings::get_global(cx).clone()
5972                },
5973                cx,
5974            );
5975        });
5976
5977        let message_editor = message_editor(&thread_view, cx);
5978        message_editor.update_in(cx, |editor, window, cx| {
5979            editor.set_text("Push changes", window, cx);
5980        });
5981
5982        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5983
5984        cx.run_until_parked();
5985
5986        // Use default granularity (last option = "Only this time")
5987        // Simulate clicking the Deny button
5988        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| {
5989            view.reject_once(&RejectOnce, window, cx)
5990        });
5991
5992        cx.run_until_parked();
5993
5994        // Verify tool call was rejected (no longer waiting for confirmation)
5995        thread_view.read_with(cx, |thread_view, cx| {
5996            let tool_call = thread_view.pending_tool_call(cx);
5997            assert!(
5998                tool_call.is_none(),
5999                "Tool call should be rejected after Deny"
6000            );
6001        });
6002    }
6003
6004    #[gpui::test]
6005    async fn test_option_id_transformation_for_allow() {
6006        let permission_options = ToolPermissionContext::new(
6007            TerminalTool::NAME,
6008            vec!["cargo build --release".to_string()],
6009        )
6010        .build_permission_options();
6011
6012        let PermissionOptions::Dropdown(choices) = permission_options else {
6013            panic!("Expected dropdown permission options");
6014        };
6015
6016        let allow_ids: Vec<String> = choices
6017            .iter()
6018            .map(|choice| choice.allow.option_id.0.to_string())
6019            .collect();
6020
6021        assert!(allow_ids.contains(&"always_allow:terminal".to_string()));
6022        assert!(allow_ids.contains(&"allow".to_string()));
6023        assert!(
6024            allow_ids
6025                .iter()
6026                .any(|id| id.starts_with("always_allow_pattern:terminal\n")),
6027            "Missing allow pattern option"
6028        );
6029    }
6030
6031    #[gpui::test]
6032    async fn test_option_id_transformation_for_deny() {
6033        let permission_options = ToolPermissionContext::new(
6034            TerminalTool::NAME,
6035            vec!["cargo build --release".to_string()],
6036        )
6037        .build_permission_options();
6038
6039        let PermissionOptions::Dropdown(choices) = permission_options else {
6040            panic!("Expected dropdown permission options");
6041        };
6042
6043        let deny_ids: Vec<String> = choices
6044            .iter()
6045            .map(|choice| choice.deny.option_id.0.to_string())
6046            .collect();
6047
6048        assert!(deny_ids.contains(&"always_deny:terminal".to_string()));
6049        assert!(deny_ids.contains(&"deny".to_string()));
6050        assert!(
6051            deny_ids
6052                .iter()
6053                .any(|id| id.starts_with("always_deny_pattern:terminal\n")),
6054            "Missing deny pattern option"
6055        );
6056    }
6057
6058    #[gpui::test]
6059    async fn test_manually_editing_title_updates_acp_thread_title(cx: &mut TestAppContext) {
6060        init_test(cx);
6061
6062        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6063
6064        let active = active_thread(&thread_view, cx);
6065        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6066        let thread = cx.read(|cx| active.read(cx).thread.clone());
6067
6068        title_editor.read_with(cx, |editor, cx| {
6069            assert!(!editor.read_only(cx));
6070        });
6071
6072        title_editor.update_in(cx, |editor, window, cx| {
6073            editor.set_text("My Custom Title", window, cx);
6074        });
6075        cx.run_until_parked();
6076
6077        title_editor.read_with(cx, |editor, cx| {
6078            assert_eq!(editor.text(cx), "My Custom Title");
6079        });
6080        thread.read_with(cx, |thread, _cx| {
6081            assert_eq!(thread.title().as_ref(), "My Custom Title");
6082        });
6083    }
6084
6085    #[gpui::test]
6086    async fn test_title_editor_is_read_only_when_set_title_unsupported(cx: &mut TestAppContext) {
6087        init_test(cx);
6088
6089        let (thread_view, cx) =
6090            setup_thread_view(StubAgentServer::new(ResumeOnlyAgentConnection), cx).await;
6091
6092        let active = active_thread(&thread_view, cx);
6093        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6094
6095        title_editor.read_with(cx, |editor, cx| {
6096            assert!(
6097                editor.read_only(cx),
6098                "Title editor should be read-only when the connection does not support set_title"
6099            );
6100        });
6101    }
6102
6103    #[gpui::test]
6104    async fn test_max_tokens_error_is_rendered(cx: &mut TestAppContext) {
6105        init_test(cx);
6106
6107        let connection = StubAgentConnection::new();
6108
6109        let (thread_view, cx) =
6110            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6111
6112        let message_editor = message_editor(&thread_view, cx);
6113        message_editor.update_in(cx, |editor, window, cx| {
6114            editor.set_text("Some prompt", window, cx);
6115        });
6116        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
6117
6118        let session_id = thread_view.read_with(cx, |view, cx| {
6119            view.active_thread()
6120                .unwrap()
6121                .read(cx)
6122                .thread
6123                .read(cx)
6124                .session_id()
6125                .clone()
6126        });
6127
6128        cx.run_until_parked();
6129
6130        cx.update(|_, _cx| {
6131            connection.end_turn(session_id, acp::StopReason::MaxTokens);
6132        });
6133
6134        cx.run_until_parked();
6135
6136        thread_view.read_with(cx, |thread_view, cx| {
6137            let state = thread_view.active_thread().unwrap();
6138            let error = &state.read(cx).thread_error;
6139            match error {
6140                Some(ThreadError::Other { message, .. }) => {
6141                    assert!(
6142                        message.contains("Max tokens reached"),
6143                        "Expected 'Max tokens reached' error, got: {}",
6144                        message
6145                    );
6146                }
6147                other => panic!(
6148                    "Expected ThreadError::Other with 'Max tokens reached', got: {:?}",
6149                    other.is_some()
6150                ),
6151            }
6152        });
6153    }
6154
6155    fn create_test_acp_thread(
6156        parent_session_id: Option<acp::SessionId>,
6157        session_id: &str,
6158        connection: Rc<dyn AgentConnection>,
6159        project: Entity<Project>,
6160        cx: &mut App,
6161    ) -> Entity<AcpThread> {
6162        let action_log = cx.new(|_| ActionLog::new(project.clone()));
6163        cx.new(|cx| {
6164            AcpThread::new(
6165                parent_session_id,
6166                "Test Thread",
6167                None,
6168                connection,
6169                project,
6170                action_log,
6171                acp::SessionId::new(session_id),
6172                watch::Receiver::constant(acp::PromptCapabilities::new()),
6173                cx,
6174            )
6175        })
6176    }
6177
6178    fn request_test_tool_authorization(
6179        thread: &Entity<AcpThread>,
6180        tool_call_id: &str,
6181        option_id: &str,
6182        cx: &mut TestAppContext,
6183    ) -> Task<acp::RequestPermissionOutcome> {
6184        let tool_call_id = acp::ToolCallId::new(tool_call_id);
6185        let label = format!("Tool {tool_call_id}");
6186        let option_id = acp::PermissionOptionId::new(option_id);
6187        cx.update(|cx| {
6188            thread.update(cx, |thread, cx| {
6189                thread
6190                    .request_tool_call_authorization(
6191                        acp::ToolCall::new(tool_call_id, label)
6192                            .kind(acp::ToolKind::Edit)
6193                            .into(),
6194                        PermissionOptions::Flat(vec![acp::PermissionOption::new(
6195                            option_id,
6196                            "Allow",
6197                            acp::PermissionOptionKind::AllowOnce,
6198                        )]),
6199                        cx,
6200                    )
6201                    .unwrap()
6202            })
6203        })
6204    }
6205
6206    #[gpui::test]
6207    async fn test_conversation_multiple_tool_calls_fifo_ordering(cx: &mut TestAppContext) {
6208        init_test(cx);
6209
6210        let fs = FakeFs::new(cx.executor());
6211        let project = Project::test(fs, [], cx).await;
6212        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6213
6214        let (thread, conversation) = cx.update(|cx| {
6215            let thread =
6216                create_test_acp_thread(None, "session-1", connection.clone(), project.clone(), cx);
6217            let conversation = cx.new(|cx| {
6218                let mut conversation = Conversation::default();
6219                conversation.register_thread(thread.clone(), cx);
6220                conversation
6221            });
6222            (thread, conversation)
6223        });
6224
6225        let _task1 = request_test_tool_authorization(&thread, "tc-1", "allow-1", cx);
6226        let _task2 = request_test_tool_authorization(&thread, "tc-2", "allow-2", cx);
6227
6228        cx.read(|cx| {
6229            let session_id = acp::SessionId::new("session-1");
6230            let (_, tool_call_id, _) = conversation
6231                .read(cx)
6232                .pending_tool_call(&session_id, cx)
6233                .expect("Expected a pending tool call");
6234            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-1"));
6235        });
6236
6237        cx.update(|cx| {
6238            conversation.update(cx, |conversation, cx| {
6239                conversation.authorize_tool_call(
6240                    acp::SessionId::new("session-1"),
6241                    acp::ToolCallId::new("tc-1"),
6242                    acp::PermissionOptionId::new("allow-1"),
6243                    acp::PermissionOptionKind::AllowOnce,
6244                    cx,
6245                );
6246            });
6247        });
6248
6249        cx.run_until_parked();
6250
6251        cx.read(|cx| {
6252            let session_id = acp::SessionId::new("session-1");
6253            let (_, tool_call_id, _) = conversation
6254                .read(cx)
6255                .pending_tool_call(&session_id, cx)
6256                .expect("Expected tc-2 to be pending after tc-1 was authorized");
6257            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-2"));
6258        });
6259
6260        cx.update(|cx| {
6261            conversation.update(cx, |conversation, cx| {
6262                conversation.authorize_tool_call(
6263                    acp::SessionId::new("session-1"),
6264                    acp::ToolCallId::new("tc-2"),
6265                    acp::PermissionOptionId::new("allow-2"),
6266                    acp::PermissionOptionKind::AllowOnce,
6267                    cx,
6268                );
6269            });
6270        });
6271
6272        cx.run_until_parked();
6273
6274        cx.read(|cx| {
6275            let session_id = acp::SessionId::new("session-1");
6276            assert!(
6277                conversation
6278                    .read(cx)
6279                    .pending_tool_call(&session_id, cx)
6280                    .is_none(),
6281                "Expected no pending tool calls after both were authorized"
6282            );
6283        });
6284    }
6285
6286    #[gpui::test]
6287    async fn test_conversation_subagent_scoped_pending_tool_call(cx: &mut TestAppContext) {
6288        init_test(cx);
6289
6290        let fs = FakeFs::new(cx.executor());
6291        let project = Project::test(fs, [], cx).await;
6292        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6293
6294        let (parent_thread, subagent_thread, conversation) = cx.update(|cx| {
6295            let parent_thread =
6296                create_test_acp_thread(None, "parent", connection.clone(), project.clone(), cx);
6297            let subagent_thread = create_test_acp_thread(
6298                Some(acp::SessionId::new("parent")),
6299                "subagent",
6300                connection.clone(),
6301                project.clone(),
6302                cx,
6303            );
6304            let conversation = cx.new(|cx| {
6305                let mut conversation = Conversation::default();
6306                conversation.register_thread(parent_thread.clone(), cx);
6307                conversation.register_thread(subagent_thread.clone(), cx);
6308                conversation
6309            });
6310            (parent_thread, subagent_thread, conversation)
6311        });
6312
6313        let _parent_task =
6314            request_test_tool_authorization(&parent_thread, "parent-tc", "allow-parent", cx);
6315        let _subagent_task =
6316            request_test_tool_authorization(&subagent_thread, "subagent-tc", "allow-subagent", cx);
6317
6318        // Querying with the subagent's session ID returns only the
6319        // subagent's own tool call (subagent path is scoped to its session)
6320        cx.read(|cx| {
6321            let subagent_id = acp::SessionId::new("subagent");
6322            let (session_id, tool_call_id, _) = conversation
6323                .read(cx)
6324                .pending_tool_call(&subagent_id, cx)
6325                .expect("Expected subagent's pending tool call");
6326            assert_eq!(session_id, acp::SessionId::new("subagent"));
6327            assert_eq!(tool_call_id, acp::ToolCallId::new("subagent-tc"));
6328        });
6329
6330        // Querying with the parent's session ID returns the first pending
6331        // request in FIFO order across all sessions
6332        cx.read(|cx| {
6333            let parent_id = acp::SessionId::new("parent");
6334            let (session_id, tool_call_id, _) = conversation
6335                .read(cx)
6336                .pending_tool_call(&parent_id, cx)
6337                .expect("Expected a pending tool call from parent query");
6338            assert_eq!(session_id, acp::SessionId::new("parent"));
6339            assert_eq!(tool_call_id, acp::ToolCallId::new("parent-tc"));
6340        });
6341    }
6342
6343    #[gpui::test]
6344    async fn test_conversation_parent_pending_tool_call_returns_first_across_threads(
6345        cx: &mut TestAppContext,
6346    ) {
6347        init_test(cx);
6348
6349        let fs = FakeFs::new(cx.executor());
6350        let project = Project::test(fs, [], cx).await;
6351        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6352
6353        let (thread_a, thread_b, conversation) = cx.update(|cx| {
6354            let thread_a =
6355                create_test_acp_thread(None, "thread-a", connection.clone(), project.clone(), cx);
6356            let thread_b =
6357                create_test_acp_thread(None, "thread-b", connection.clone(), project.clone(), cx);
6358            let conversation = cx.new(|cx| {
6359                let mut conversation = Conversation::default();
6360                conversation.register_thread(thread_a.clone(), cx);
6361                conversation.register_thread(thread_b.clone(), cx);
6362                conversation
6363            });
6364            (thread_a, thread_b, conversation)
6365        });
6366
6367        let _task_a = request_test_tool_authorization(&thread_a, "tc-a", "allow-a", cx);
6368        let _task_b = request_test_tool_authorization(&thread_b, "tc-b", "allow-b", cx);
6369
6370        // Both threads are non-subagent, so pending_tool_call always returns
6371        // the first entry from permission_requests (FIFO across all sessions)
6372        cx.read(|cx| {
6373            let session_a = acp::SessionId::new("thread-a");
6374            let (session_id, tool_call_id, _) = conversation
6375                .read(cx)
6376                .pending_tool_call(&session_a, cx)
6377                .expect("Expected a pending tool call");
6378            assert_eq!(session_id, acp::SessionId::new("thread-a"));
6379            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
6380        });
6381
6382        // Querying with thread-b also returns thread-a's tool call,
6383        // because non-subagent queries always use permission_requests.first()
6384        cx.read(|cx| {
6385            let session_b = acp::SessionId::new("thread-b");
6386            let (session_id, tool_call_id, _) = conversation
6387                .read(cx)
6388                .pending_tool_call(&session_b, cx)
6389                .expect("Expected a pending tool call from thread-b query");
6390            assert_eq!(
6391                session_id,
6392                acp::SessionId::new("thread-a"),
6393                "Non-subagent queries always return the first pending request in FIFO order"
6394            );
6395            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
6396        });
6397
6398        // After authorizing thread-a's tool call, thread-b's becomes first
6399        cx.update(|cx| {
6400            conversation.update(cx, |conversation, cx| {
6401                conversation.authorize_tool_call(
6402                    acp::SessionId::new("thread-a"),
6403                    acp::ToolCallId::new("tc-a"),
6404                    acp::PermissionOptionId::new("allow-a"),
6405                    acp::PermissionOptionKind::AllowOnce,
6406                    cx,
6407                );
6408            });
6409        });
6410
6411        cx.run_until_parked();
6412
6413        cx.read(|cx| {
6414            let session_b = acp::SessionId::new("thread-b");
6415            let (session_id, tool_call_id, _) = conversation
6416                .read(cx)
6417                .pending_tool_call(&session_b, cx)
6418                .expect("Expected thread-b's tool call after thread-a's was authorized");
6419            assert_eq!(session_id, acp::SessionId::new("thread-b"));
6420            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-b"));
6421        });
6422    }
6423
6424    #[gpui::test]
6425    async fn test_move_queued_message_to_empty_main_editor(cx: &mut TestAppContext) {
6426        init_test(cx);
6427
6428        let (connection_view, cx) =
6429            setup_thread_view(StubAgentServer::default_response(), cx).await;
6430
6431        // Add a plain-text message to the queue directly.
6432        active_thread(&connection_view, cx).update_in(cx, |thread, window, cx| {
6433            thread.add_to_queue(
6434                vec![acp::ContentBlock::Text(acp::TextContent::new(
6435                    "queued message".to_string(),
6436                ))],
6437                vec![],
6438                cx,
6439            );
6440            // Main editor must be empty for this path — it is by default, but
6441            // assert to make the precondition explicit.
6442            assert!(thread.message_editor.read(cx).is_empty(cx));
6443            thread.move_queued_message_to_main_editor(0, None, window, cx);
6444        });
6445
6446        cx.run_until_parked();
6447
6448        // Queue should now be empty.
6449        let queue_len = active_thread(&connection_view, cx)
6450            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
6451        assert_eq!(queue_len, 0, "Queue should be empty after move");
6452
6453        // Main editor should contain the queued message text.
6454        let text = message_editor(&connection_view, cx).update(cx, |editor, cx| editor.text(cx));
6455        assert_eq!(
6456            text, "queued message",
6457            "Main editor should contain the moved queued message"
6458        );
6459    }
6460
6461    #[gpui::test]
6462    async fn test_move_queued_message_to_non_empty_main_editor(cx: &mut TestAppContext) {
6463        init_test(cx);
6464
6465        let (connection_view, cx) =
6466            setup_thread_view(StubAgentServer::default_response(), cx).await;
6467
6468        // Seed the main editor with existing content.
6469        message_editor(&connection_view, cx).update_in(cx, |editor, window, cx| {
6470            editor.set_message(
6471                vec![acp::ContentBlock::Text(acp::TextContent::new(
6472                    "existing content".to_string(),
6473                ))],
6474                window,
6475                cx,
6476            );
6477        });
6478
6479        // Add a plain-text message to the queue.
6480        active_thread(&connection_view, cx).update_in(cx, |thread, window, cx| {
6481            thread.add_to_queue(
6482                vec![acp::ContentBlock::Text(acp::TextContent::new(
6483                    "queued message".to_string(),
6484                ))],
6485                vec![],
6486                cx,
6487            );
6488            thread.move_queued_message_to_main_editor(0, None, window, cx);
6489        });
6490
6491        cx.run_until_parked();
6492
6493        // Queue should now be empty.
6494        let queue_len = active_thread(&connection_view, cx)
6495            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
6496        assert_eq!(queue_len, 0, "Queue should be empty after move");
6497
6498        // Main editor should contain existing content + separator + queued content.
6499        let text = message_editor(&connection_view, cx).update(cx, |editor, cx| editor.text(cx));
6500        assert_eq!(
6501            text, "existing content\n\nqueued message",
6502            "Main editor should have existing content and queued message separated by two newlines"
6503        );
6504    }
6505}