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, DiffStats};
   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::{AgentId, AgentServerStore, Project, ProjectEntryId};
  40use prompt_store::{PromptId, PromptStore};
  41use rope::Point;
  42use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  43use std::cell::RefCell;
  44use std::path::Path;
  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;
  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::PathList;
  60use workspace::{
  61    CollaboratorId, MultiWorkspace, NewTerminal, Toast, Workspace, notifications::NotificationId,
  62};
  63use zed_actions::agent::{Chat, ToggleModelSelector};
  64use zed_actions::assistant::OpenRulesLibrary;
  65
  66use super::config_options::ConfigOptionsView;
  67use super::entry_view_state::EntryViewState;
  68use super::thread_history::ThreadHistory;
  69use crate::ModeSelector;
  70use crate::ModelSelectorPopover;
  71use crate::agent_connection_store::{
  72    AgentConnectedState, AgentConnectionEntryEvent, AgentConnectionStore,
  73};
  74use crate::agent_diff::AgentDiff;
  75use crate::entry_view_state::{EntryViewEvent, ViewEvent};
  76use crate::message_editor::{MessageEditor, MessageEditorEvent};
  77use crate::profile_selector::{ProfileProvider, ProfileSelector};
  78use crate::thread_metadata_store::ThreadMetadataStore;
  79use crate::ui::{AgentNotification, AgentNotificationEvent};
  80use crate::{
  81    Agent, AgentDiffPane, AgentInitialContent, AgentPanel, AllowAlways, AllowOnce,
  82    AuthorizeToolCall, ClearMessageQueue, CycleFavoriteModels, CycleModeSelector,
  83    CycleThinkingEffort, EditFirstQueuedMessage, ExpandMessageEditor, Follow, KeepAll, NewThread,
  84    OpenAddContextMenu, OpenAgentDiff, OpenHistory, RejectAll, RejectOnce,
  85    RemoveFirstQueuedMessage, SendImmediately, SendNextQueuedMessage, ToggleFastMode,
  86    ToggleProfileSelector, ToggleThinkingEffortMenu, ToggleThinkingMode, UndoLastReject,
  87};
  88
  89const STOPWATCH_THRESHOLD: Duration = Duration::from_secs(30);
  90const TOKEN_THRESHOLD: u64 = 250;
  91
  92mod thread_view;
  93pub use thread_view::*;
  94
  95pub struct QueuedMessage {
  96    pub content: Vec<acp::ContentBlock>,
  97    pub tracked_buffers: Vec<Entity<Buffer>>,
  98}
  99
 100#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 101enum ThreadFeedback {
 102    Positive,
 103    Negative,
 104}
 105
 106#[derive(Debug)]
 107pub(crate) enum ThreadError {
 108    PaymentRequired,
 109    Refusal,
 110    AuthenticationRequired(SharedString),
 111    Other {
 112        message: SharedString,
 113        acp_error_code: Option<SharedString>,
 114    },
 115}
 116
 117impl From<anyhow::Error> for ThreadError {
 118    fn from(error: anyhow::Error) -> Self {
 119        if error.is::<language_model::PaymentRequiredError>() {
 120            Self::PaymentRequired
 121        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 122            && acp_error.code == acp::ErrorCode::AuthRequired
 123        {
 124            Self::AuthenticationRequired(acp_error.message.clone().into())
 125        } else {
 126            let message: SharedString = format!("{:#}", error).into();
 127
 128            // Extract ACP error code if available
 129            let acp_error_code = error
 130                .downcast_ref::<acp::Error>()
 131                .map(|acp_error| SharedString::from(acp_error.code.to_string()));
 132
 133            Self::Other {
 134                message,
 135                acp_error_code,
 136            }
 137        }
 138    }
 139}
 140
 141impl ProfileProvider for Entity<agent::Thread> {
 142    fn profile_id(&self, cx: &App) -> AgentProfileId {
 143        self.read(cx).profile().clone()
 144    }
 145
 146    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 147        self.update(cx, |thread, cx| {
 148            // Apply the profile and let the thread swap to its default model.
 149            thread.set_profile(profile_id, cx);
 150        });
 151    }
 152
 153    fn profiles_supported(&self, cx: &App) -> bool {
 154        self.read(cx)
 155            .model()
 156            .is_some_and(|model| model.supports_tools())
 157    }
 158}
 159
 160#[derive(Default)]
 161pub(crate) struct Conversation {
 162    threads: HashMap<acp::SessionId, Entity<AcpThread>>,
 163    permission_requests: IndexMap<acp::SessionId, Vec<acp::ToolCallId>>,
 164    subscriptions: Vec<Subscription>,
 165    /// Tracks the selected granularity index for each tool call's permission dropdown.
 166    /// The index corresponds to the position in the allow_options list.
 167    selected_permission_granularity: HashMap<acp::SessionId, HashMap<acp::ToolCallId, usize>>,
 168}
 169
 170impl Conversation {
 171    pub fn register_thread(&mut self, thread: Entity<AcpThread>, cx: &mut Context<Self>) {
 172        let session_id = thread.read(cx).session_id().clone();
 173        let subscription = cx.subscribe(&thread, move |this, _thread, event, _cx| match event {
 174            AcpThreadEvent::ToolAuthorizationRequested(id) => {
 175                this.permission_requests
 176                    .entry(session_id.clone())
 177                    .or_default()
 178                    .push(id.clone());
 179            }
 180            AcpThreadEvent::ToolAuthorizationReceived(id) => {
 181                if let Some(tool_calls) = this.permission_requests.get_mut(&session_id) {
 182                    tool_calls.retain(|tool_call_id| tool_call_id != id);
 183                    if tool_calls.is_empty() {
 184                        this.permission_requests.shift_remove(&session_id);
 185                    }
 186                }
 187            }
 188            AcpThreadEvent::NewEntry
 189            | AcpThreadEvent::TitleUpdated
 190            | AcpThreadEvent::TokenUsageUpdated
 191            | AcpThreadEvent::EntryUpdated(_)
 192            | AcpThreadEvent::EntriesRemoved(_)
 193            | AcpThreadEvent::Retry(_)
 194            | AcpThreadEvent::SubagentSpawned(_)
 195            | AcpThreadEvent::Stopped(_)
 196            | AcpThreadEvent::Error
 197            | AcpThreadEvent::LoadError(_)
 198            | AcpThreadEvent::PromptCapabilitiesUpdated
 199            | AcpThreadEvent::Refusal
 200            | AcpThreadEvent::AvailableCommandsUpdated(_)
 201            | AcpThreadEvent::ModeUpdated(_)
 202            | AcpThreadEvent::ConfigOptionsUpdated(_) => {}
 203        });
 204        self.subscriptions.push(subscription);
 205        self.threads
 206            .insert(thread.read(cx).session_id().clone(), thread);
 207    }
 208
 209    pub fn selected_permission_granularity(
 210        &self,
 211        session_id: &acp::SessionId,
 212        tool_call_id: &acp::ToolCallId,
 213    ) -> Option<usize> {
 214        self.selected_permission_granularity
 215            .get(session_id)
 216            .and_then(|map| map.get(tool_call_id))
 217            .copied()
 218    }
 219
 220    pub fn set_selected_permission_granularity(
 221        &mut self,
 222        session_id: acp::SessionId,
 223        tool_call_id: acp::ToolCallId,
 224        granularity: usize,
 225    ) {
 226        self.selected_permission_granularity
 227            .entry(session_id)
 228            .or_default()
 229            .insert(tool_call_id, granularity);
 230    }
 231
 232    pub fn pending_tool_call<'a>(
 233        &'a self,
 234        session_id: &acp::SessionId,
 235        cx: &'a App,
 236    ) -> Option<(acp::SessionId, acp::ToolCallId, &'a PermissionOptions)> {
 237        let thread = self.threads.get(session_id)?;
 238        let is_subagent = thread.read(cx).parent_session_id().is_some();
 239        let (thread, tool_id) = if is_subagent {
 240            let id = self.permission_requests.get(session_id)?.iter().next()?;
 241            (thread, id)
 242        } else {
 243            let (id, tool_calls) = self.permission_requests.first()?;
 244            let thread = self.threads.get(id)?;
 245            let id = tool_calls.iter().next()?;
 246            (thread, id)
 247        };
 248        let (_, tool_call) = thread.read(cx).tool_call(tool_id)?;
 249
 250        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
 251            return None;
 252        };
 253        Some((
 254            thread.read(cx).session_id().clone(),
 255            tool_id.clone(),
 256            options,
 257        ))
 258    }
 259
 260    pub fn authorize_pending_tool_call(
 261        &mut self,
 262        session_id: &acp::SessionId,
 263        kind: acp::PermissionOptionKind,
 264        cx: &mut Context<Self>,
 265    ) -> Option<()> {
 266        let (_, tool_call_id, options) = self.pending_tool_call(session_id, cx)?;
 267        let option = options.first_option_of_kind(kind)?;
 268        self.authorize_tool_call(
 269            session_id.clone(),
 270            tool_call_id,
 271            option.option_id.clone(),
 272            option.kind,
 273            cx,
 274        );
 275        Some(())
 276    }
 277
 278    pub fn authorize_tool_call(
 279        &mut self,
 280        session_id: acp::SessionId,
 281        tool_call_id: acp::ToolCallId,
 282        option_id: acp::PermissionOptionId,
 283        option_kind: acp::PermissionOptionKind,
 284        cx: &mut Context<Self>,
 285    ) {
 286        let Some(thread) = self.threads.get(&session_id) else {
 287            return;
 288        };
 289        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 290
 291        telemetry::event!(
 292            "Agent Tool Call Authorized",
 293            agent = agent_telemetry_id,
 294            session = session_id,
 295            option = option_kind
 296        );
 297
 298        thread.update(cx, |thread, cx| {
 299            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
 300        });
 301        cx.notify();
 302    }
 303}
 304
 305pub enum AcpServerViewEvent {
 306    ActiveThreadChanged,
 307}
 308
 309impl EventEmitter<AcpServerViewEvent> for ConnectionView {}
 310
 311pub struct ConnectionView {
 312    agent: Rc<dyn AgentServer>,
 313    connection_store: Entity<AgentConnectionStore>,
 314    connection_key: Agent,
 315    agent_server_store: Entity<AgentServerStore>,
 316    workspace: WeakEntity<Workspace>,
 317    project: Entity<Project>,
 318    thread_store: Option<Entity<ThreadStore>>,
 319    prompt_store: Option<Entity<PromptStore>>,
 320    server_state: ServerState,
 321    focus_handle: FocusHandle,
 322    notifications: Vec<WindowHandle<AgentNotification>>,
 323    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 324    auth_task: Option<Task<()>>,
 325    _subscriptions: Vec<Subscription>,
 326}
 327
 328impl ConnectionView {
 329    pub fn has_auth_methods(&self) -> bool {
 330        self.as_connected().map_or(false, |connected| {
 331            !connected.connection.auth_methods().is_empty()
 332        })
 333    }
 334
 335    pub fn active_thread(&self) -> Option<&Entity<ThreadView>> {
 336        match &self.server_state {
 337            ServerState::Connected(connected) => connected.active_view(),
 338            _ => None,
 339        }
 340    }
 341
 342    pub fn pending_tool_call<'a>(
 343        &'a self,
 344        cx: &'a App,
 345    ) -> Option<(acp::SessionId, acp::ToolCallId, &'a PermissionOptions)> {
 346        let id = &self.active_thread()?.read(cx).id;
 347        self.as_connected()?
 348            .conversation
 349            .read(cx)
 350            .pending_tool_call(id, cx)
 351    }
 352
 353    pub fn parent_thread(&self, cx: &App) -> Option<Entity<ThreadView>> {
 354        match &self.server_state {
 355            ServerState::Connected(connected) => {
 356                let mut current = connected.active_view()?;
 357                while let Some(parent_id) = current.read(cx).parent_id.clone() {
 358                    if let Some(parent) = connected.threads.get(&parent_id) {
 359                        current = parent;
 360                    } else {
 361                        break;
 362                    }
 363                }
 364                Some(current.clone())
 365            }
 366            _ => None,
 367        }
 368    }
 369
 370    pub fn thread_view(&self, session_id: &acp::SessionId) -> Option<Entity<ThreadView>> {
 371        let connected = self.as_connected()?;
 372        connected.threads.get(session_id).cloned()
 373    }
 374
 375    pub fn as_connected(&self) -> Option<&ConnectedServerState> {
 376        match &self.server_state {
 377            ServerState::Connected(connected) => Some(connected),
 378            _ => None,
 379        }
 380    }
 381
 382    pub fn as_connected_mut(&mut self) -> Option<&mut ConnectedServerState> {
 383        match &mut self.server_state {
 384            ServerState::Connected(connected) => Some(connected),
 385            _ => None,
 386        }
 387    }
 388
 389    pub fn navigate_to_session(
 390        &mut self,
 391        session_id: acp::SessionId,
 392        window: &mut Window,
 393        cx: &mut Context<Self>,
 394    ) {
 395        let Some(connected) = self.as_connected_mut() else {
 396            return;
 397        };
 398
 399        connected.navigate_to_session(session_id);
 400        if let Some(view) = self.active_thread() {
 401            view.focus_handle(cx).focus(window, cx);
 402        }
 403        cx.emit(AcpServerViewEvent::ActiveThreadChanged);
 404        cx.notify();
 405    }
 406}
 407
 408enum ServerState {
 409    Loading(Entity<LoadingView>),
 410    LoadError {
 411        error: LoadError,
 412        session_id: Option<acp::SessionId>,
 413    },
 414    Connected(ConnectedServerState),
 415}
 416
 417// current -> Entity
 418// hashmap of threads, current becomes session_id
 419pub struct ConnectedServerState {
 420    auth_state: AuthState,
 421    active_id: Option<acp::SessionId>,
 422    threads: HashMap<acp::SessionId, Entity<ThreadView>>,
 423    connection: Rc<dyn AgentConnection>,
 424    history: Entity<ThreadHistory>,
 425    conversation: Entity<Conversation>,
 426    _connection_entry_subscription: Subscription,
 427}
 428
 429enum AuthState {
 430    Ok,
 431    Unauthenticated {
 432        description: Option<Entity<Markdown>>,
 433        configuration_view: Option<AnyView>,
 434        pending_auth_method: Option<acp::AuthMethodId>,
 435        _subscription: Option<Subscription>,
 436    },
 437}
 438
 439impl AuthState {
 440    pub fn is_ok(&self) -> bool {
 441        matches!(self, Self::Ok)
 442    }
 443}
 444
 445struct LoadingView {
 446    session_id: Option<acp::SessionId>,
 447    _load_task: Task<()>,
 448}
 449
 450impl ConnectedServerState {
 451    pub fn active_view(&self) -> Option<&Entity<ThreadView>> {
 452        self.active_id.as_ref().and_then(|id| self.threads.get(id))
 453    }
 454
 455    pub fn has_thread_error(&self, cx: &App) -> bool {
 456        self.active_view()
 457            .map_or(false, |view| view.read(cx).thread_error.is_some())
 458    }
 459
 460    pub fn navigate_to_session(&mut self, session_id: acp::SessionId) {
 461        if self.threads.contains_key(&session_id) {
 462            self.active_id = Some(session_id);
 463        }
 464    }
 465
 466    pub fn close_all_sessions(&self, cx: &mut App) -> Task<()> {
 467        let tasks = self.threads.keys().filter_map(|id| {
 468            if self.connection.supports_close_session() {
 469                Some(self.connection.clone().close_session(id, cx))
 470            } else {
 471                None
 472            }
 473        });
 474        let task = futures::future::join_all(tasks);
 475        cx.background_spawn(async move {
 476            task.await;
 477        })
 478    }
 479}
 480
 481impl ConnectionView {
 482    pub fn new(
 483        agent: Rc<dyn AgentServer>,
 484        connection_store: Entity<AgentConnectionStore>,
 485        connection_key: Agent,
 486        resume_session_id: Option<acp::SessionId>,
 487        work_dirs: Option<PathList>,
 488        title: Option<SharedString>,
 489        initial_content: Option<AgentInitialContent>,
 490        workspace: WeakEntity<Workspace>,
 491        project: Entity<Project>,
 492        thread_store: Option<Entity<ThreadStore>>,
 493        prompt_store: Option<Entity<PromptStore>>,
 494        window: &mut Window,
 495        cx: &mut Context<Self>,
 496    ) -> Self {
 497        let agent_server_store = project.read(cx).agent_server_store().clone();
 498        let subscriptions = vec![
 499            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 500            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 501            cx.subscribe_in(
 502                &agent_server_store,
 503                window,
 504                Self::handle_agent_servers_updated,
 505            ),
 506        ];
 507
 508        cx.on_release(|this, cx| {
 509            if let Some(connected) = this.as_connected() {
 510                connected.close_all_sessions(cx).detach();
 511            }
 512            for window in this.notifications.drain(..) {
 513                window
 514                    .update(cx, |_, window, _| {
 515                        window.remove_window();
 516                    })
 517                    .ok();
 518            }
 519        })
 520        .detach();
 521
 522        Self {
 523            agent: agent.clone(),
 524            connection_store: connection_store.clone(),
 525            connection_key: connection_key.clone(),
 526            agent_server_store,
 527            workspace,
 528            project: project.clone(),
 529            thread_store,
 530            prompt_store,
 531            server_state: Self::initial_state(
 532                agent.clone(),
 533                connection_store,
 534                connection_key,
 535                resume_session_id,
 536                work_dirs,
 537                title,
 538                project,
 539                initial_content,
 540                window,
 541                cx,
 542            ),
 543            notifications: Vec::new(),
 544            notification_subscriptions: HashMap::default(),
 545            auth_task: None,
 546            _subscriptions: subscriptions,
 547            focus_handle: cx.focus_handle(),
 548        }
 549    }
 550
 551    fn set_server_state(&mut self, state: ServerState, cx: &mut Context<Self>) {
 552        if let Some(connected) = self.as_connected() {
 553            connected.close_all_sessions(cx).detach();
 554        }
 555
 556        self.server_state = state;
 557        cx.emit(AcpServerViewEvent::ActiveThreadChanged);
 558        cx.notify();
 559    }
 560
 561    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 562        let (resume_session_id, cwd, title) = self
 563            .active_thread()
 564            .map(|thread_view| {
 565                let thread = thread_view.read(cx).thread.read(cx);
 566                (
 567                    Some(thread.session_id().clone()),
 568                    thread.work_dirs().cloned(),
 569                    Some(thread.title()),
 570                )
 571            })
 572            .unwrap_or((None, None, None));
 573
 574        let state = Self::initial_state(
 575            self.agent.clone(),
 576            self.connection_store.clone(),
 577            self.connection_key.clone(),
 578            resume_session_id,
 579            cwd,
 580            title,
 581            self.project.clone(),
 582            None,
 583            window,
 584            cx,
 585        );
 586        self.set_server_state(state, cx);
 587
 588        if let Some(view) = self.active_thread() {
 589            view.update(cx, |this, cx| {
 590                this.message_editor.update(cx, |editor, cx| {
 591                    editor.set_command_state(
 592                        this.prompt_capabilities.clone(),
 593                        this.available_commands.clone(),
 594                        cx,
 595                    );
 596                });
 597            });
 598        }
 599        cx.notify();
 600    }
 601
 602    fn initial_state(
 603        agent: Rc<dyn AgentServer>,
 604        connection_store: Entity<AgentConnectionStore>,
 605        connection_key: Agent,
 606        resume_session_id: Option<acp::SessionId>,
 607        work_dirs: Option<PathList>,
 608        title: Option<SharedString>,
 609        project: Entity<Project>,
 610        initial_content: Option<AgentInitialContent>,
 611        window: &mut Window,
 612        cx: &mut Context<Self>,
 613    ) -> ServerState {
 614        if project.read(cx).is_via_collab()
 615            && agent.clone().downcast::<NativeAgentServer>().is_none()
 616        {
 617            return ServerState::LoadError {
 618                error: LoadError::Other(
 619                    "External agents are not yet supported in shared projects.".into(),
 620                ),
 621                session_id: resume_session_id.clone(),
 622            };
 623        }
 624        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 625        // Pick the first non-single-file worktree for the root directory if there are any,
 626        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 627        worktrees.sort_by(|l, r| {
 628            l.read(cx)
 629                .is_single_file()
 630                .cmp(&r.read(cx).is_single_file())
 631        });
 632        let worktree_roots: Vec<Arc<Path>> = worktrees
 633            .iter()
 634            .filter_map(|worktree| {
 635                let worktree = worktree.read(cx);
 636                if worktree.is_single_file() {
 637                    Some(worktree.abs_path().parent()?.into())
 638                } else {
 639                    Some(worktree.abs_path())
 640                }
 641            })
 642            .collect();
 643        let session_work_dirs = work_dirs.unwrap_or_else(|| {
 644            if worktree_roots.is_empty() {
 645                PathList::new(&[paths::home_dir().as_path()])
 646            } else {
 647                PathList::new(&worktree_roots)
 648            }
 649        });
 650
 651        let connection_entry = connection_store.update(cx, |store, cx| {
 652            store.request_connection(connection_key, agent.clone(), cx)
 653        });
 654
 655        let connection_entry_subscription =
 656            cx.subscribe(&connection_entry, |this, _entry, event, cx| match event {
 657                AgentConnectionEntryEvent::NewVersionAvailable(version) => {
 658                    if let Some(thread) = this.active_thread() {
 659                        thread.update(cx, |thread, cx| {
 660                            thread.new_server_version_available = Some(version.clone());
 661                            cx.notify();
 662                        });
 663                    }
 664                }
 665            });
 666
 667        let connect_result = connection_entry.read(cx).wait_for_connection();
 668
 669        let load_session_id = resume_session_id.clone();
 670        let load_task = cx.spawn_in(window, async move |this, cx| {
 671            let (connection, history) = match connect_result.await {
 672                Ok(AgentConnectedState {
 673                    connection,
 674                    history,
 675                }) => (connection, history),
 676                Err(err) => {
 677                    this.update_in(cx, |this, window, cx| {
 678                        this.handle_load_error(load_session_id.clone(), err, window, cx);
 679                        cx.notify();
 680                    })
 681                    .log_err();
 682                    return;
 683                }
 684            };
 685
 686            telemetry::event!("Agent Thread Started", agent = connection.telemetry_id());
 687
 688            let mut resumed_without_history = false;
 689            let result = if let Some(session_id) = load_session_id.clone() {
 690                cx.update(|_, cx| {
 691                    if connection.supports_load_session() {
 692                        connection.clone().load_session(
 693                            session_id,
 694                            project.clone(),
 695                            session_work_dirs,
 696                            title,
 697                            cx,
 698                        )
 699                    } else if connection.supports_resume_session() {
 700                        resumed_without_history = true;
 701                        connection.clone().resume_session(
 702                            session_id,
 703                            project.clone(),
 704                            session_work_dirs,
 705                            title,
 706                            cx,
 707                        )
 708                    } else {
 709                        Task::ready(Err(anyhow!(LoadError::Other(
 710                            "Loading or resuming sessions is not supported by this agent.".into()
 711                        ))))
 712                    }
 713                })
 714                .log_err()
 715            } else {
 716                cx.update(|_, cx| {
 717                    connection
 718                        .clone()
 719                        .new_session(project.clone(), session_work_dirs, cx)
 720                })
 721                .log_err()
 722            };
 723
 724            let Some(result) = result else {
 725                return;
 726            };
 727
 728            let result = match result.await {
 729                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 730                    Ok(err) => {
 731                        cx.update(|window, cx| {
 732                            Self::handle_auth_required(
 733                                this,
 734                                err,
 735                                agent.agent_id(),
 736                                connection,
 737                                window,
 738                                cx,
 739                            )
 740                        })
 741                        .log_err();
 742                        return;
 743                    }
 744                    Err(err) => Err(err),
 745                },
 746                Ok(thread) => Ok(thread),
 747            };
 748
 749            this.update_in(cx, |this, window, cx| {
 750                match result {
 751                    Ok(thread) => {
 752                        let conversation = cx.new(|cx| {
 753                            let mut conversation = Conversation::default();
 754                            conversation.register_thread(thread.clone(), cx);
 755                            conversation
 756                        });
 757
 758                        let current = this.new_thread_view(
 759                            None,
 760                            thread,
 761                            conversation.clone(),
 762                            resumed_without_history,
 763                            initial_content,
 764                            history.clone(),
 765                            window,
 766                            cx,
 767                        );
 768
 769                        if this.focus_handle.contains_focused(window, cx) {
 770                            current
 771                                .read(cx)
 772                                .message_editor
 773                                .focus_handle(cx)
 774                                .focus(window, cx);
 775                        }
 776
 777                        let id = current.read(cx).thread.read(cx).session_id().clone();
 778                        this.set_server_state(
 779                            ServerState::Connected(ConnectedServerState {
 780                                connection,
 781                                auth_state: AuthState::Ok,
 782                                active_id: Some(id.clone()),
 783                                threads: HashMap::from_iter([(id, current)]),
 784                                conversation,
 785                                history,
 786                                _connection_entry_subscription: connection_entry_subscription,
 787                            }),
 788                            cx,
 789                        );
 790                    }
 791                    Err(err) => {
 792                        this.handle_load_error(
 793                            load_session_id.clone(),
 794                            LoadError::Other(err.to_string().into()),
 795                            window,
 796                            cx,
 797                        );
 798                    }
 799                };
 800            })
 801            .log_err();
 802        });
 803
 804        let loading_view = cx.new(|_cx| LoadingView {
 805            session_id: resume_session_id,
 806            _load_task: load_task,
 807        });
 808
 809        ServerState::Loading(loading_view)
 810    }
 811
 812    fn new_thread_view(
 813        &self,
 814        parent_id: Option<acp::SessionId>,
 815        thread: Entity<AcpThread>,
 816        conversation: Entity<Conversation>,
 817        resumed_without_history: bool,
 818        initial_content: Option<AgentInitialContent>,
 819        history: Entity<ThreadHistory>,
 820        window: &mut Window,
 821        cx: &mut Context<Self>,
 822    ) -> Entity<ThreadView> {
 823        let agent_id = self.agent.agent_id();
 824        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 825        let available_commands = Rc::new(RefCell::new(vec![]));
 826
 827        let action_log = thread.read(cx).action_log().clone();
 828
 829        prompt_capabilities.replace(thread.read(cx).prompt_capabilities());
 830
 831        let entry_view_state = cx.new(|_| {
 832            EntryViewState::new(
 833                self.workspace.clone(),
 834                self.project.downgrade(),
 835                self.thread_store.clone(),
 836                history.downgrade(),
 837                self.prompt_store.clone(),
 838                prompt_capabilities.clone(),
 839                available_commands.clone(),
 840                self.agent.agent_id(),
 841            )
 842        });
 843
 844        let count = thread.read(cx).entries().len();
 845        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 846        entry_view_state.update(cx, |view_state, cx| {
 847            for ix in 0..count {
 848                view_state.sync_entry(ix, &thread, window, cx);
 849            }
 850            list_state.splice_focusable(
 851                0..0,
 852                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 853            );
 854        });
 855
 856        if let Some(scroll_position) = thread.read(cx).ui_scroll_position() {
 857            list_state.scroll_to(scroll_position);
 858        }
 859
 860        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
 861
 862        let connection = thread.read(cx).connection().clone();
 863        let session_id = thread.read(cx).session_id().clone();
 864
 865        // Check for config options first
 866        // Config options take precedence over legacy mode/model selectors
 867        // (feature flag gating happens at the data layer)
 868        let config_options_provider = connection.session_config_options(&session_id, cx);
 869
 870        let config_options_view;
 871        let mode_selector;
 872        let model_selector;
 873        if let Some(config_options) = config_options_provider {
 874            // Use config options - don't create mode_selector or model_selector
 875            let agent_server = self.agent.clone();
 876            let fs = self.project.read(cx).fs().clone();
 877            config_options_view =
 878                Some(cx.new(|cx| {
 879                    ConfigOptionsView::new(config_options, agent_server, fs, window, cx)
 880                }));
 881            model_selector = None;
 882            mode_selector = None;
 883        } else {
 884            // Fall back to legacy mode/model selectors
 885            config_options_view = None;
 886            model_selector = connection.model_selector(&session_id).map(|selector| {
 887                let agent_server = self.agent.clone();
 888                let fs = self.project.read(cx).fs().clone();
 889                cx.new(|cx| {
 890                    ModelSelectorPopover::new(
 891                        selector,
 892                        agent_server,
 893                        fs,
 894                        PopoverMenuHandle::default(),
 895                        self.focus_handle(cx),
 896                        window,
 897                        cx,
 898                    )
 899                })
 900            });
 901
 902            mode_selector = connection
 903                .session_modes(&session_id, cx)
 904                .map(|session_modes| {
 905                    let fs = self.project.read(cx).fs().clone();
 906                    cx.new(|_cx| ModeSelector::new(session_modes, self.agent.clone(), fs))
 907                });
 908        }
 909
 910        let subscriptions = vec![
 911            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 912            cx.observe(&action_log, |_, _, cx| cx.notify()),
 913        ];
 914
 915        let parent_session_id = thread.read(cx).session_id().clone();
 916        let subagent_sessions = thread
 917            .read(cx)
 918            .entries()
 919            .iter()
 920            .filter_map(|entry| match entry {
 921                AgentThreadEntry::ToolCall(call) => call
 922                    .subagent_session_info
 923                    .as_ref()
 924                    .map(|i| i.session_id.clone()),
 925                _ => None,
 926            })
 927            .collect::<Vec<_>>();
 928
 929        if !subagent_sessions.is_empty() {
 930            cx.spawn_in(window, async move |this, cx| {
 931                this.update_in(cx, |this, window, cx| {
 932                    for subagent_id in subagent_sessions {
 933                        this.load_subagent_session(
 934                            subagent_id,
 935                            parent_session_id.clone(),
 936                            window,
 937                            cx,
 938                        );
 939                    }
 940                })
 941            })
 942            .detach();
 943        }
 944
 945        let profile_selector: Option<Rc<agent::NativeAgentConnection>> =
 946            connection.clone().downcast();
 947        let profile_selector = profile_selector
 948            .and_then(|native_connection| native_connection.thread(&session_id, cx))
 949            .map(|native_thread| {
 950                cx.new(|cx| {
 951                    ProfileSelector::new(
 952                        <dyn Fs>::global(cx),
 953                        Arc::new(native_thread),
 954                        self.focus_handle(cx),
 955                        cx,
 956                    )
 957                })
 958            });
 959
 960        let agent_display_name = self
 961            .agent_server_store
 962            .read(cx)
 963            .agent_display_name(&agent_id.clone())
 964            .unwrap_or_else(|| agent_id.0.clone());
 965
 966        let agent_icon = self.agent.logo();
 967        let agent_icon_from_external_svg = self
 968            .agent_server_store
 969            .read(cx)
 970            .agent_icon(&self.agent.agent_id())
 971            .or_else(|| {
 972                project::AgentRegistryStore::try_global(cx).and_then(|store| {
 973                    store
 974                        .read(cx)
 975                        .agent(&self.agent.agent_id())
 976                        .and_then(|a| a.icon_path().cloned())
 977                })
 978            });
 979
 980        let weak = cx.weak_entity();
 981        cx.new(|cx| {
 982            ThreadView::new(
 983                parent_id,
 984                thread,
 985                conversation,
 986                weak,
 987                agent_icon,
 988                agent_icon_from_external_svg,
 989                agent_id,
 990                agent_display_name,
 991                self.workspace.clone(),
 992                entry_view_state,
 993                config_options_view,
 994                mode_selector,
 995                model_selector,
 996                profile_selector,
 997                list_state,
 998                prompt_capabilities,
 999                available_commands,
1000                resumed_without_history,
1001                self.project.downgrade(),
1002                self.thread_store.clone(),
1003                history,
1004                self.prompt_store.clone(),
1005                initial_content,
1006                subscriptions,
1007                window,
1008                cx,
1009            )
1010        })
1011    }
1012
1013    fn handle_auth_required(
1014        this: WeakEntity<Self>,
1015        err: AuthRequired,
1016        agent_id: AgentId,
1017        connection: Rc<dyn AgentConnection>,
1018        window: &mut Window,
1019        cx: &mut App,
1020    ) {
1021        let (configuration_view, subscription) = if let Some(provider_id) = &err.provider_id {
1022            let registry = LanguageModelRegistry::global(cx);
1023
1024            let sub = window.subscribe(&registry, cx, {
1025                let provider_id = provider_id.clone();
1026                let this = this.clone();
1027                move |_, ev, window, cx| {
1028                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
1029                        && &provider_id == updated_provider_id
1030                        && LanguageModelRegistry::global(cx)
1031                            .read(cx)
1032                            .provider(&provider_id)
1033                            .map_or(false, |provider| provider.is_authenticated(cx))
1034                    {
1035                        this.update(cx, |this, cx| {
1036                            this.reset(window, cx);
1037                        })
1038                        .ok();
1039                    }
1040                }
1041            });
1042
1043            let view = registry.read(cx).provider(&provider_id).map(|provider| {
1044                provider.configuration_view(
1045                    language_model::ConfigurationViewTargetAgent::Other(agent_id.0),
1046                    window,
1047                    cx,
1048                )
1049            });
1050
1051            (view, Some(sub))
1052        } else {
1053            (None, None)
1054        };
1055
1056        this.update(cx, |this, cx| {
1057            let description = err
1058                .description
1059                .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx)));
1060            let auth_state = AuthState::Unauthenticated {
1061                pending_auth_method: None,
1062                configuration_view,
1063                description,
1064                _subscription: subscription,
1065            };
1066            if let Some(connected) = this.as_connected_mut() {
1067                connected.auth_state = auth_state;
1068                if let Some(view) = connected.active_view()
1069                    && view
1070                        .read(cx)
1071                        .message_editor
1072                        .focus_handle(cx)
1073                        .is_focused(window)
1074                {
1075                    this.focus_handle.focus(window, cx)
1076                }
1077            } else {
1078                this.set_server_state(
1079                    ServerState::Connected(ConnectedServerState {
1080                        auth_state,
1081                        active_id: None,
1082                        threads: HashMap::default(),
1083                        connection,
1084                        conversation: cx.new(|_cx| Conversation::default()),
1085                        history: cx.new(|cx| ThreadHistory::new(None, cx)),
1086                        _connection_entry_subscription: Subscription::new(|| {}),
1087                    }),
1088                    cx,
1089                );
1090            }
1091            cx.notify();
1092        })
1093        .ok();
1094    }
1095
1096    fn handle_load_error(
1097        &mut self,
1098        session_id: Option<acp::SessionId>,
1099        err: LoadError,
1100        window: &mut Window,
1101        cx: &mut Context<Self>,
1102    ) {
1103        if let Some(view) = self.active_thread() {
1104            if view
1105                .read(cx)
1106                .message_editor
1107                .focus_handle(cx)
1108                .is_focused(window)
1109            {
1110                self.focus_handle.focus(window, cx)
1111            }
1112        }
1113        self.emit_load_error_telemetry(&err);
1114        self.set_server_state(
1115            ServerState::LoadError {
1116                error: err,
1117                session_id,
1118            },
1119            cx,
1120        );
1121    }
1122
1123    fn handle_agent_servers_updated(
1124        &mut self,
1125        _agent_server_store: &Entity<project::AgentServerStore>,
1126        _event: &project::AgentServersUpdated,
1127        window: &mut Window,
1128        cx: &mut Context<Self>,
1129    ) {
1130        // If we're in a LoadError state OR have a thread_error set (which can happen
1131        // when agent.connect() fails during loading), retry loading the thread.
1132        // This handles the case where a thread is restored before authentication completes.
1133        let should_retry = match &self.server_state {
1134            ServerState::Loading(_) => false,
1135            ServerState::LoadError { .. } => true,
1136            ServerState::Connected(connected) => {
1137                connected.auth_state.is_ok() && connected.has_thread_error(cx)
1138            }
1139        };
1140
1141        if should_retry {
1142            if let Some(active) = self.active_thread() {
1143                active.update(cx, |active, cx| {
1144                    active.clear_thread_error(cx);
1145                });
1146            }
1147            self.reset(window, cx);
1148        }
1149    }
1150
1151    pub fn workspace(&self) -> &WeakEntity<Workspace> {
1152        &self.workspace
1153    }
1154
1155    pub fn title(&self, _cx: &App) -> SharedString {
1156        match &self.server_state {
1157            ServerState::Connected(_) => "New Thread".into(),
1158            ServerState::Loading(_) => "Loading…".into(),
1159            ServerState::LoadError { error, .. } => match error {
1160                LoadError::Unsupported { .. } => {
1161                    format!("Upgrade {}", self.agent.agent_id()).into()
1162                }
1163                LoadError::FailedToInstall(_) => {
1164                    format!("Failed to Install {}", self.agent.agent_id()).into()
1165                }
1166                LoadError::Exited { .. } => format!("{} Exited", self.agent.agent_id()).into(),
1167                LoadError::Other(_) => format!("Error Loading {}", self.agent.agent_id()).into(),
1168            },
1169        }
1170    }
1171
1172    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
1173        if let Some(active) = self.active_thread() {
1174            active.update(cx, |active, cx| {
1175                active.cancel_generation(cx);
1176            });
1177        }
1178    }
1179
1180    // The parent ID is None if we haven't created a thread yet
1181    pub fn parent_id(&self, cx: &App) -> Option<acp::SessionId> {
1182        match &self.server_state {
1183            ServerState::Connected(_) => self
1184                .parent_thread(cx)
1185                .map(|thread| thread.read(cx).id.clone()),
1186            ServerState::Loading(loading) => loading.read(cx).session_id.clone(),
1187            ServerState::LoadError { session_id, .. } => session_id.clone(),
1188        }
1189    }
1190
1191    pub fn is_loading(&self) -> bool {
1192        matches!(self.server_state, ServerState::Loading { .. })
1193    }
1194
1195    fn update_turn_tokens(&mut self, cx: &mut Context<Self>) {
1196        if let Some(active) = self.active_thread() {
1197            active.update(cx, |active, cx| {
1198                active.update_turn_tokens(cx);
1199            });
1200        }
1201    }
1202
1203    fn send_queued_message_at_index(
1204        &mut self,
1205        index: usize,
1206        is_send_now: bool,
1207        window: &mut Window,
1208        cx: &mut Context<Self>,
1209    ) {
1210        if let Some(active) = self.active_thread() {
1211            active.update(cx, |active, cx| {
1212                active.send_queued_message_at_index(index, is_send_now, window, cx);
1213            });
1214        }
1215    }
1216
1217    fn move_queued_message_to_main_editor(
1218        &mut self,
1219        index: usize,
1220        inserted_text: Option<&str>,
1221        window: &mut Window,
1222        cx: &mut Context<Self>,
1223    ) {
1224        if let Some(active) = self.active_thread() {
1225            active.update(cx, |active, cx| {
1226                active.move_queued_message_to_main_editor(index, inserted_text, window, cx);
1227            });
1228        }
1229    }
1230
1231    fn handle_thread_event(
1232        &mut self,
1233        thread: &Entity<AcpThread>,
1234        event: &AcpThreadEvent,
1235        window: &mut Window,
1236        cx: &mut Context<Self>,
1237    ) {
1238        let thread_id = thread.read(cx).session_id().clone();
1239        let is_subagent = thread.read(cx).parent_session_id().is_some();
1240        match event {
1241            AcpThreadEvent::NewEntry => {
1242                let len = thread.read(cx).entries().len();
1243                let index = len - 1;
1244                if let Some(active) = self.thread_view(&thread_id) {
1245                    let entry_view_state = active.read(cx).entry_view_state.clone();
1246                    let list_state = active.read(cx).list_state.clone();
1247                    entry_view_state.update(cx, |view_state, cx| {
1248                        view_state.sync_entry(index, thread, window, cx);
1249                        list_state.splice_focusable(
1250                            index..index,
1251                            [view_state
1252                                .entry(index)
1253                                .and_then(|entry| entry.focus_handle(cx))],
1254                        );
1255                    });
1256                }
1257            }
1258            AcpThreadEvent::EntryUpdated(index) => {
1259                if let Some(active) = self.thread_view(&thread_id) {
1260                    let entry_view_state = active.read(cx).entry_view_state.clone();
1261                    entry_view_state.update(cx, |view_state, cx| {
1262                        view_state.sync_entry(*index, thread, window, cx)
1263                    });
1264                    active.update(cx, |active, cx| {
1265                        active.auto_expand_streaming_thought(cx);
1266                    });
1267                }
1268            }
1269            AcpThreadEvent::EntriesRemoved(range) => {
1270                if let Some(active) = self.thread_view(&thread_id) {
1271                    let entry_view_state = active.read(cx).entry_view_state.clone();
1272                    let list_state = active.read(cx).list_state.clone();
1273                    entry_view_state.update(cx, |view_state, _cx| view_state.remove(range.clone()));
1274                    list_state.splice(range.clone(), 0);
1275                }
1276            }
1277            AcpThreadEvent::SubagentSpawned(session_id) => self.load_subagent_session(
1278                session_id.clone(),
1279                thread.read(cx).session_id().clone(),
1280                window,
1281                cx,
1282            ),
1283            AcpThreadEvent::ToolAuthorizationRequested(_) => {
1284                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1285            }
1286            AcpThreadEvent::ToolAuthorizationReceived(_) => {}
1287            AcpThreadEvent::Retry(retry) => {
1288                if let Some(active) = self.thread_view(&thread_id) {
1289                    active.update(cx, |active, _cx| {
1290                        active.thread_retry_status = Some(retry.clone());
1291                    });
1292                }
1293            }
1294            AcpThreadEvent::Stopped(stop_reason) => {
1295                if let Some(active) = self.thread_view(&thread_id) {
1296                    active.update(cx, |active, _cx| {
1297                        active.thread_retry_status.take();
1298                        active.clear_auto_expand_tracking();
1299                    });
1300                }
1301                if is_subagent {
1302                    if *stop_reason == acp::StopReason::EndTurn {
1303                        thread.update(cx, |thread, cx| {
1304                            thread.mark_as_subagent_output(cx);
1305                        });
1306                    }
1307                    return;
1308                }
1309
1310                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1311                self.notify_with_sound(
1312                    if used_tools {
1313                        "Finished running tools"
1314                    } else {
1315                        "New message"
1316                    },
1317                    IconName::ZedAssistant,
1318                    window,
1319                    cx,
1320                );
1321
1322                let should_send_queued = if let Some(active) = self.active_thread() {
1323                    active.update(cx, |active, cx| {
1324                        if active.skip_queue_processing_count > 0 {
1325                            active.skip_queue_processing_count -= 1;
1326                            false
1327                        } else if active.user_interrupted_generation {
1328                            // Manual interruption: don't auto-process queue.
1329                            // Reset the flag so future completions can process normally.
1330                            active.user_interrupted_generation = false;
1331                            false
1332                        } else {
1333                            let has_queued = !active.local_queued_messages.is_empty();
1334                            // Don't auto-send if the first message editor is currently focused
1335                            let is_first_editor_focused = active
1336                                .queued_message_editors
1337                                .first()
1338                                .is_some_and(|editor| editor.focus_handle(cx).is_focused(window));
1339                            has_queued && !is_first_editor_focused
1340                        }
1341                    })
1342                } else {
1343                    false
1344                };
1345                if should_send_queued {
1346                    self.send_queued_message_at_index(0, false, window, cx);
1347                }
1348            }
1349            AcpThreadEvent::Refusal => {
1350                let error = ThreadError::Refusal;
1351                if let Some(active) = self.thread_view(&thread_id) {
1352                    active.update(cx, |active, cx| {
1353                        active.handle_thread_error(error, cx);
1354                        active.thread_retry_status.take();
1355                    });
1356                }
1357                if !is_subagent {
1358                    let model_or_agent_name = self.current_model_name(cx);
1359                    let notification_message =
1360                        format!("{} refused to respond to this request", model_or_agent_name);
1361                    self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1362                }
1363            }
1364            AcpThreadEvent::Error => {
1365                if let Some(active) = self.thread_view(&thread_id) {
1366                    active.update(cx, |active, _cx| {
1367                        active.thread_retry_status.take();
1368                    });
1369                }
1370                if !is_subagent {
1371                    self.notify_with_sound(
1372                        "Agent stopped due to an error",
1373                        IconName::Warning,
1374                        window,
1375                        cx,
1376                    );
1377                }
1378            }
1379            AcpThreadEvent::LoadError(error) => {
1380                if let Some(view) = self.active_thread() {
1381                    if view
1382                        .read(cx)
1383                        .message_editor
1384                        .focus_handle(cx)
1385                        .is_focused(window)
1386                    {
1387                        self.focus_handle.focus(window, cx)
1388                    }
1389                }
1390                self.set_server_state(
1391                    ServerState::LoadError {
1392                        error: error.clone(),
1393                        session_id: Some(thread_id),
1394                    },
1395                    cx,
1396                );
1397            }
1398            AcpThreadEvent::TitleUpdated => {
1399                let title = thread.read(cx).title();
1400                if let Some(active_thread) = self.thread_view(&thread_id) {
1401                    let title_editor = active_thread.read(cx).title_editor.clone();
1402                    title_editor.update(cx, |editor, cx| {
1403                        if editor.text(cx) != title {
1404                            editor.set_text(title, window, cx);
1405                        }
1406                    });
1407                }
1408                cx.notify();
1409            }
1410            AcpThreadEvent::PromptCapabilitiesUpdated => {
1411                if let Some(active) = self.thread_view(&thread_id) {
1412                    active.update(cx, |active, _cx| {
1413                        active
1414                            .prompt_capabilities
1415                            .replace(thread.read(_cx).prompt_capabilities());
1416                    });
1417                }
1418            }
1419            AcpThreadEvent::TokenUsageUpdated => {
1420                self.update_turn_tokens(cx);
1421                self.emit_token_limit_telemetry_if_needed(thread, cx);
1422            }
1423            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1424                let mut available_commands = available_commands.clone();
1425
1426                if thread
1427                    .read(cx)
1428                    .connection()
1429                    .auth_methods()
1430                    .iter()
1431                    .any(|method| method.id().0.as_ref() == "claude-login")
1432                {
1433                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1434                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1435                }
1436
1437                let has_commands = !available_commands.is_empty();
1438                if let Some(active) = self.active_thread() {
1439                    active.update(cx, |active, _cx| {
1440                        active.available_commands.replace(available_commands);
1441                    });
1442                }
1443
1444                let agent_display_name = self
1445                    .agent_server_store
1446                    .read(cx)
1447                    .agent_display_name(&self.agent.agent_id())
1448                    .unwrap_or_else(|| self.agent.agent_id().0.to_string().into());
1449
1450                if let Some(active) = self.active_thread() {
1451                    let new_placeholder =
1452                        placeholder_text(agent_display_name.as_ref(), has_commands);
1453                    active.update(cx, |active, cx| {
1454                        active.message_editor.update(cx, |editor, cx| {
1455                            editor.set_placeholder_text(&new_placeholder, window, cx);
1456                        });
1457                    });
1458                }
1459            }
1460            AcpThreadEvent::ModeUpdated(_mode) => {
1461                // The connection keeps track of the mode
1462                cx.notify();
1463            }
1464            AcpThreadEvent::ConfigOptionsUpdated(_) => {
1465                // The watch task in ConfigOptionsView handles rebuilding selectors
1466                cx.notify();
1467            }
1468        }
1469        cx.notify();
1470    }
1471
1472    fn authenticate(
1473        &mut self,
1474        method: acp::AuthMethodId,
1475        window: &mut Window,
1476        cx: &mut Context<Self>,
1477    ) {
1478        let Some(connected) = self.as_connected_mut() else {
1479            return;
1480        };
1481        let connection = connected.connection.clone();
1482
1483        let AuthState::Unauthenticated {
1484            configuration_view,
1485            pending_auth_method,
1486            ..
1487        } = &mut connected.auth_state
1488        else {
1489            return;
1490        };
1491
1492        let agent_telemetry_id = connection.telemetry_id();
1493
1494        // Check for the experimental "terminal-auth" _meta field
1495        let auth_method = connection.auth_methods().iter().find(|m| m.id() == &method);
1496
1497        if let Some(terminal_auth) = auth_method
1498            .and_then(|a| match a {
1499                acp::AuthMethod::EnvVar(env_var) => env_var.meta.as_ref(),
1500                acp::AuthMethod::Terminal(terminal) => terminal.meta.as_ref(),
1501                acp::AuthMethod::Agent(agent) => agent.meta.as_ref(),
1502                _ => None,
1503            })
1504            .and_then(|m| m.get("terminal-auth"))
1505        {
1506            // Extract terminal auth details from meta
1507            if let (Some(command), Some(label)) = (
1508                terminal_auth.get("command").and_then(|v| v.as_str()),
1509                terminal_auth.get("label").and_then(|v| v.as_str()),
1510            ) {
1511                let args = terminal_auth
1512                    .get("args")
1513                    .and_then(|v| v.as_array())
1514                    .map(|arr| {
1515                        arr.iter()
1516                            .filter_map(|v| v.as_str().map(String::from))
1517                            .collect()
1518                    })
1519                    .unwrap_or_default();
1520
1521                let env = terminal_auth
1522                    .get("env")
1523                    .and_then(|v| v.as_object())
1524                    .map(|obj| {
1525                        obj.iter()
1526                            .filter_map(|(k, v)| v.as_str().map(|val| (k.clone(), val.to_string())))
1527                            .collect::<HashMap<String, String>>()
1528                    })
1529                    .unwrap_or_default();
1530
1531                // Build SpawnInTerminal from _meta
1532                let login = task::SpawnInTerminal {
1533                    id: task::TaskId(format!("external-agent-{}-login", label)),
1534                    full_label: label.to_string(),
1535                    label: label.to_string(),
1536                    command: Some(command.to_string()),
1537                    args,
1538                    command_label: label.to_string(),
1539                    env,
1540                    use_new_terminal: true,
1541                    allow_concurrent_runs: true,
1542                    hide: task::HideStrategy::Always,
1543                    ..Default::default()
1544                };
1545
1546                configuration_view.take();
1547                pending_auth_method.replace(method.clone());
1548
1549                if let Some(workspace) = self.workspace.upgrade() {
1550                    let project = self.project.clone();
1551                    let authenticate = Self::spawn_external_agent_login(
1552                        login,
1553                        workspace,
1554                        project,
1555                        method.clone(),
1556                        false,
1557                        window,
1558                        cx,
1559                    );
1560                    cx.notify();
1561                    self.auth_task = Some(cx.spawn_in(window, {
1562                        async move |this, cx| {
1563                            let result = authenticate.await;
1564
1565                            match &result {
1566                                Ok(_) => telemetry::event!(
1567                                    "Authenticate Agent Succeeded",
1568                                    agent = agent_telemetry_id
1569                                ),
1570                                Err(_) => {
1571                                    telemetry::event!(
1572                                        "Authenticate Agent Failed",
1573                                        agent = agent_telemetry_id,
1574                                    )
1575                                }
1576                            }
1577
1578                            this.update_in(cx, |this, window, cx| {
1579                                if let Err(err) = result {
1580                                    if let Some(ConnectedServerState {
1581                                        auth_state:
1582                                            AuthState::Unauthenticated {
1583                                                pending_auth_method,
1584                                                ..
1585                                            },
1586                                        ..
1587                                    }) = this.as_connected_mut()
1588                                    {
1589                                        pending_auth_method.take();
1590                                    }
1591                                    if let Some(active) = this.active_thread() {
1592                                        active.update(cx, |active, cx| {
1593                                            active.handle_thread_error(err, cx);
1594                                        })
1595                                    }
1596                                } else {
1597                                    this.reset(window, cx);
1598                                }
1599                                this.auth_task.take()
1600                            })
1601                            .ok();
1602                        }
1603                    }));
1604                }
1605                return;
1606            }
1607        }
1608
1609        configuration_view.take();
1610        pending_auth_method.replace(method.clone());
1611
1612        let authenticate = connection.authenticate(method, cx);
1613        cx.notify();
1614        self.auth_task = Some(cx.spawn_in(window, {
1615            async move |this, cx| {
1616                let result = authenticate.await;
1617
1618                match &result {
1619                    Ok(_) => telemetry::event!(
1620                        "Authenticate Agent Succeeded",
1621                        agent = agent_telemetry_id
1622                    ),
1623                    Err(_) => {
1624                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1625                    }
1626                }
1627
1628                this.update_in(cx, |this, window, cx| {
1629                    if let Err(err) = result {
1630                        if let Some(ConnectedServerState {
1631                            auth_state:
1632                                AuthState::Unauthenticated {
1633                                    pending_auth_method,
1634                                    ..
1635                                },
1636                            ..
1637                        }) = this.as_connected_mut()
1638                        {
1639                            pending_auth_method.take();
1640                        }
1641                        if let Some(active) = this.active_thread() {
1642                            active.update(cx, |active, cx| active.handle_thread_error(err, cx));
1643                        }
1644                    } else {
1645                        this.reset(window, cx);
1646                    }
1647                    this.auth_task.take()
1648                })
1649                .ok();
1650            }
1651        }));
1652    }
1653
1654    fn load_subagent_session(
1655        &mut self,
1656        subagent_id: acp::SessionId,
1657        parent_id: acp::SessionId,
1658        window: &mut Window,
1659        cx: &mut Context<Self>,
1660    ) {
1661        let Some(connected) = self.as_connected() else {
1662            return;
1663        };
1664        if connected.threads.contains_key(&subagent_id)
1665            || !connected.connection.supports_load_session()
1666        {
1667            return;
1668        }
1669        let Some(parent_thread) = connected.threads.get(&parent_id) else {
1670            return;
1671        };
1672        let work_dirs = parent_thread
1673            .read(cx)
1674            .thread
1675            .read(cx)
1676            .work_dirs()
1677            .cloned()
1678            .unwrap_or_else(|| PathList::new(&[paths::home_dir().as_path()]));
1679
1680        let subagent_thread_task = connected.connection.clone().load_session(
1681            subagent_id.clone(),
1682            self.project.clone(),
1683            work_dirs,
1684            None,
1685            cx,
1686        );
1687
1688        cx.spawn_in(window, async move |this, cx| {
1689            let subagent_thread = subagent_thread_task.await?;
1690            this.update_in(cx, |this, window, cx| {
1691                let Some((conversation, history)) = this
1692                    .as_connected()
1693                    .map(|connected| (connected.conversation.clone(), connected.history.clone()))
1694                else {
1695                    return;
1696                };
1697                conversation.update(cx, |conversation, cx| {
1698                    conversation.register_thread(subagent_thread.clone(), cx);
1699                });
1700                let view = this.new_thread_view(
1701                    Some(parent_id),
1702                    subagent_thread,
1703                    conversation,
1704                    false,
1705                    None,
1706                    history,
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(&self.agent.agent_id())
1870            .unwrap_or_else(|| self.agent.agent_id().0);
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().to_string());
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(), |this, description| {
1898                                this.tooltip(Tooltip::text(description.to_string()))
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.agent_id();
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.agent_id()),
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.agent_id();
2211        let workspace = self.workspace.clone();
2212        let project = self.project.downgrade();
2213        let Some(connected) = self.as_connected() else {
2214            return;
2215        };
2216        let history = connected.history.downgrade();
2217        let Some(thread) = connected.active_view() else {
2218            return;
2219        };
2220        let prompt_capabilities = thread.read(cx).prompt_capabilities.clone();
2221        let available_commands = thread.read(cx).available_commands.clone();
2222
2223        let current_count = thread.read(cx).queued_message_editors.len();
2224        let last_synced = thread.read(cx).last_synced_queue_length;
2225
2226        if current_count == needed_count && needed_count == last_synced {
2227            return;
2228        }
2229
2230        if current_count > needed_count {
2231            thread.update(cx, |thread, _cx| {
2232                thread.queued_message_editors.truncate(needed_count);
2233                thread
2234                    .queued_message_editor_subscriptions
2235                    .truncate(needed_count);
2236            });
2237
2238            let editors = thread.read(cx).queued_message_editors.clone();
2239            for (index, editor) in editors.into_iter().enumerate() {
2240                if let Some(content) = queued_messages.get(index) {
2241                    editor.update(cx, |editor, cx| {
2242                        editor.set_read_only(true, cx);
2243                        editor.set_message(content.clone(), window, cx);
2244                    });
2245                }
2246            }
2247        }
2248
2249        while thread.read(cx).queued_message_editors.len() < needed_count {
2250            let index = thread.read(cx).queued_message_editors.len();
2251            let content = queued_messages.get(index).cloned().unwrap_or_default();
2252
2253            let editor = cx.new(|cx| {
2254                let mut editor = MessageEditor::new(
2255                    workspace.clone(),
2256                    project.clone(),
2257                    None,
2258                    history.clone(),
2259                    None,
2260                    prompt_capabilities.clone(),
2261                    available_commands.clone(),
2262                    agent_name.clone(),
2263                    "",
2264                    EditorMode::AutoHeight {
2265                        min_lines: 1,
2266                        max_lines: Some(10),
2267                    },
2268                    window,
2269                    cx,
2270                );
2271                editor.set_read_only(true, cx);
2272                editor.set_message(content, window, cx);
2273                editor
2274            });
2275
2276            let subscription = cx.subscribe_in(
2277                &editor,
2278                window,
2279                move |this, _editor, event, window, cx| match event {
2280                    MessageEditorEvent::InputAttempted(text) => this
2281                        .move_queued_message_to_main_editor(index, Some(text.as_ref()), window, cx),
2282                    MessageEditorEvent::LostFocus => {
2283                        this.save_queued_message_at_index(index, cx);
2284                    }
2285                    MessageEditorEvent::Cancel => {
2286                        window.focus(&this.focus_handle(cx), cx);
2287                    }
2288                    MessageEditorEvent::Send => {
2289                        window.focus(&this.focus_handle(cx), cx);
2290                    }
2291                    MessageEditorEvent::SendImmediately => {
2292                        this.send_queued_message_at_index(index, true, window, cx);
2293                    }
2294                    _ => {}
2295                },
2296            );
2297
2298            thread.update(cx, |thread, _cx| {
2299                thread.queued_message_editors.push(editor);
2300                thread
2301                    .queued_message_editor_subscriptions
2302                    .push(subscription);
2303            });
2304        }
2305
2306        if let Some(active) = self.active_thread() {
2307            active.update(cx, |active, _cx| {
2308                active.last_synced_queue_length = needed_count;
2309            });
2310        }
2311    }
2312
2313    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
2314        let workspace = self.workspace.clone();
2315        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
2316            crate::connection_view::thread_view::open_link(text, &workspace, window, cx);
2317        })
2318    }
2319
2320    fn notify_with_sound(
2321        &mut self,
2322        caption: impl Into<SharedString>,
2323        icon: IconName,
2324        window: &mut Window,
2325        cx: &mut Context<Self>,
2326    ) {
2327        self.play_notification_sound(window, cx);
2328        self.show_notification(caption, icon, window, cx);
2329    }
2330
2331    fn agent_panel_visible(&self, multi_workspace: &Entity<MultiWorkspace>, cx: &App) -> bool {
2332        let Some(workspace) = self.workspace.upgrade() else {
2333            return false;
2334        };
2335
2336        multi_workspace.read(cx).workspace() == &workspace && AgentPanel::is_visible(&workspace, cx)
2337    }
2338
2339    fn agent_status_visible(&self, window: &Window, cx: &App) -> bool {
2340        if !window.is_window_active() {
2341            return false;
2342        }
2343
2344        if let Some(multi_workspace) = window.root::<MultiWorkspace>().flatten() {
2345            self.agent_panel_visible(&multi_workspace, cx)
2346        } else {
2347            self.workspace
2348                .upgrade()
2349                .is_some_and(|workspace| AgentPanel::is_visible(&workspace, cx))
2350        }
2351    }
2352
2353    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
2354        let settings = AgentSettings::get_global(cx);
2355        let visible = window.is_window_active()
2356            && if let Some(mw) = window.root::<MultiWorkspace>().flatten() {
2357                self.agent_panel_visible(&mw, cx)
2358            } else {
2359                self.workspace
2360                    .upgrade()
2361                    .is_some_and(|workspace| AgentPanel::is_visible(&workspace, cx))
2362            };
2363        if settings.play_sound_when_agent_done && !visible {
2364            Audio::play_sound(Sound::AgentDone, cx);
2365        }
2366    }
2367
2368    fn show_notification(
2369        &mut self,
2370        caption: impl Into<SharedString>,
2371        icon: IconName,
2372        window: &mut Window,
2373        cx: &mut Context<Self>,
2374    ) {
2375        if !self.notifications.is_empty() {
2376            return;
2377        }
2378
2379        let settings = AgentSettings::get_global(cx);
2380
2381        let should_notify = !self.agent_status_visible(window, cx);
2382
2383        if !should_notify {
2384            return;
2385        }
2386
2387        // TODO: Change this once we have title summarization for external agents.
2388        let title = self.agent.agent_id().0;
2389
2390        match settings.notify_when_agent_waiting {
2391            NotifyWhenAgentWaiting::PrimaryScreen => {
2392                if let Some(primary) = cx.primary_display() {
2393                    self.pop_up(icon, caption.into(), title, window, primary, cx);
2394                }
2395            }
2396            NotifyWhenAgentWaiting::AllScreens => {
2397                let caption = caption.into();
2398                for screen in cx.displays() {
2399                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
2400                }
2401            }
2402            NotifyWhenAgentWaiting::Never => {
2403                // Don't show anything
2404            }
2405        }
2406    }
2407
2408    fn pop_up(
2409        &mut self,
2410        icon: IconName,
2411        caption: SharedString,
2412        title: SharedString,
2413        window: &mut Window,
2414        screen: Rc<dyn PlatformDisplay>,
2415        cx: &mut Context<Self>,
2416    ) {
2417        let options = AgentNotification::window_options(screen, cx);
2418
2419        let project_name = self.workspace.upgrade().and_then(|workspace| {
2420            workspace
2421                .read(cx)
2422                .project()
2423                .read(cx)
2424                .visible_worktrees(cx)
2425                .next()
2426                .map(|worktree| worktree.read(cx).root_name_str().to_string())
2427        });
2428
2429        if let Some(screen_window) = cx
2430            .open_window(options, |_window, cx| {
2431                cx.new(|_cx| {
2432                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
2433                })
2434            })
2435            .log_err()
2436            && let Some(pop_up) = screen_window.entity(cx).log_err()
2437        {
2438            self.notification_subscriptions
2439                .entry(screen_window)
2440                .or_insert_with(Vec::new)
2441                .push(cx.subscribe_in(&pop_up, window, {
2442                    |this, _, event, window, cx| match event {
2443                        AgentNotificationEvent::Accepted => {
2444                            let Some(handle) = window.window_handle().downcast::<MultiWorkspace>()
2445                            else {
2446                                log::error!("root view should be a MultiWorkspace");
2447                                return;
2448                            };
2449                            cx.activate(true);
2450
2451                            let workspace_handle = this.workspace.clone();
2452
2453                            cx.defer(move |cx| {
2454                                handle
2455                                    .update(cx, |multi_workspace, window, cx| {
2456                                        window.activate_window();
2457                                        if let Some(workspace) = workspace_handle.upgrade() {
2458                                            multi_workspace.activate(workspace.clone(), cx);
2459                                            workspace.update(cx, |workspace, cx| {
2460                                                workspace.focus_drawer::<AgentPanel>(window, cx);
2461                                            });
2462                                        }
2463                                    })
2464                                    .log_err();
2465                            });
2466
2467                            this.dismiss_notifications(cx);
2468                        }
2469                        AgentNotificationEvent::Dismissed => {
2470                            this.dismiss_notifications(cx);
2471                        }
2472                    }
2473                }));
2474
2475            self.notifications.push(screen_window);
2476
2477            // If the user manually refocuses the original window, dismiss the popup.
2478            self.notification_subscriptions
2479                .entry(screen_window)
2480                .or_insert_with(Vec::new)
2481                .push({
2482                    let pop_up_weak = pop_up.downgrade();
2483
2484                    cx.observe_window_activation(window, move |this, window, cx| {
2485                        if this.agent_status_visible(window, cx)
2486                            && let Some(pop_up) = pop_up_weak.upgrade()
2487                        {
2488                            pop_up.update(cx, |notification, cx| {
2489                                notification.dismiss(cx);
2490                            });
2491                        }
2492                    })
2493                });
2494        }
2495    }
2496
2497    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
2498        for window in self.notifications.drain(..) {
2499            window
2500                .update(cx, |_, window, _| {
2501                    window.remove_window();
2502                })
2503                .ok();
2504
2505            self.notification_subscriptions.remove(&window);
2506        }
2507    }
2508
2509    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
2510        if let Some(entry_view_state) = self
2511            .active_thread()
2512            .map(|active| active.read(cx).entry_view_state.clone())
2513        {
2514            entry_view_state.update(cx, |entry_view_state, cx| {
2515                entry_view_state.agent_ui_font_size_changed(cx);
2516            });
2517        }
2518    }
2519
2520    pub(crate) fn insert_dragged_files(
2521        &self,
2522        paths: Vec<project::ProjectPath>,
2523        added_worktrees: Vec<Entity<project::Worktree>>,
2524        window: &mut Window,
2525        cx: &mut Context<Self>,
2526    ) {
2527        if let Some(active_thread) = self.active_thread() {
2528            active_thread.update(cx, |thread, cx| {
2529                thread.message_editor.update(cx, |editor, cx| {
2530                    editor.insert_dragged_files(paths, added_worktrees, window, cx);
2531                    editor.focus_handle(cx).focus(window, cx);
2532                })
2533            });
2534        }
2535    }
2536
2537    /// Inserts the selected text into the message editor or the message being
2538    /// edited, if any.
2539    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
2540        if let Some(active_thread) = self.active_thread() {
2541            active_thread.update(cx, |thread, cx| {
2542                thread.active_editor(cx).update(cx, |editor, cx| {
2543                    editor.insert_selections(window, cx);
2544                })
2545            });
2546        }
2547    }
2548
2549    /// Inserts terminal text as a crease into the message editor.
2550    pub(crate) fn insert_terminal_text(
2551        &self,
2552        text: String,
2553        window: &mut Window,
2554        cx: &mut Context<Self>,
2555    ) {
2556        if let Some(active_thread) = self.active_thread() {
2557            active_thread.update(cx, |thread, cx| {
2558                thread.message_editor.update(cx, |editor, cx| {
2559                    editor.insert_terminal_crease(text, window, cx);
2560                })
2561            });
2562        }
2563    }
2564
2565    fn current_model_name(&self, cx: &App) -> SharedString {
2566        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
2567        // For ACP agents, use the agent name (e.g., "Claude Agent", "Gemini CLI")
2568        // This provides better clarity about what refused the request
2569        if self.as_native_connection(cx).is_some() {
2570            self.active_thread()
2571                .and_then(|active| active.read(cx).model_selector.clone())
2572                .and_then(|selector| selector.read(cx).active_model(cx))
2573                .map(|model| model.name.clone())
2574                .unwrap_or_else(|| SharedString::from("The model"))
2575        } else {
2576            // ACP agent - use the agent name (e.g., "Claude Agent", "Gemini CLI")
2577            self.agent.agent_id().0
2578        }
2579    }
2580
2581    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
2582        let message = message.into();
2583
2584        CopyButton::new("copy-error-message", message).tooltip_label("Copy Error Message")
2585    }
2586
2587    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2588        let agent_id = self.agent.agent_id();
2589        if let Some(active) = self.active_thread() {
2590            active.update(cx, |active, cx| active.clear_thread_error(cx));
2591        }
2592        let this = cx.weak_entity();
2593        let Some(connection) = self.as_connected().map(|c| c.connection.clone()) else {
2594            debug_panic!("This should not be possible");
2595            return;
2596        };
2597        window.defer(cx, |window, cx| {
2598            Self::handle_auth_required(this, AuthRequired::new(), agent_id, connection, window, cx);
2599        })
2600    }
2601
2602    pub fn history(&self) -> Option<&Entity<ThreadHistory>> {
2603        self.as_connected().map(|c| &c.history)
2604    }
2605
2606    pub fn delete_history_entry(&mut self, session_id: &acp::SessionId, cx: &mut Context<Self>) {
2607        let Some(connected) = self.as_connected() else {
2608            return;
2609        };
2610
2611        let task = connected
2612            .history
2613            .update(cx, |history, cx| history.delete_session(&session_id, cx));
2614        task.detach_and_log_err(cx);
2615
2616        if let Some(store) = ThreadMetadataStore::try_global(cx) {
2617            store
2618                .update(cx, |store, cx| store.delete(session_id.clone(), cx))
2619                .detach_and_log_err(cx);
2620        }
2621    }
2622}
2623
2624fn loading_contents_spinner(size: IconSize) -> AnyElement {
2625    Icon::new(IconName::LoadCircle)
2626        .size(size)
2627        .color(Color::Accent)
2628        .with_rotate_animation(3)
2629        .into_any_element()
2630}
2631
2632fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
2633    if agent_name == agent::ZED_AGENT_ID.as_ref() {
2634        format!("Message the {} — @ to include context", agent_name)
2635    } else if has_commands {
2636        format!(
2637            "Message {} — @ to include context, / for commands",
2638            agent_name
2639        )
2640    } else {
2641        format!("Message {} — @ to include context", agent_name)
2642    }
2643}
2644
2645impl Focusable for ConnectionView {
2646    fn focus_handle(&self, cx: &App) -> FocusHandle {
2647        match self.active_thread() {
2648            Some(thread) => thread.read(cx).focus_handle(cx),
2649            None => self.focus_handle.clone(),
2650        }
2651    }
2652}
2653
2654#[cfg(any(test, feature = "test-support"))]
2655impl ConnectionView {
2656    /// Expands a tool call so its content is visible.
2657    /// This is primarily useful for visual testing.
2658    pub fn expand_tool_call(&mut self, tool_call_id: acp::ToolCallId, cx: &mut Context<Self>) {
2659        if let Some(active) = self.active_thread() {
2660            active.update(cx, |active, _cx| {
2661                active.expanded_tool_calls.insert(tool_call_id);
2662            });
2663            cx.notify();
2664        }
2665    }
2666}
2667
2668impl Render for ConnectionView {
2669    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2670        self.sync_queued_message_editors(window, cx);
2671        let v2_flag = cx.has_flag::<AgentV2FeatureFlag>();
2672
2673        v_flex()
2674            .track_focus(&self.focus_handle)
2675            .size_full()
2676            .bg(cx.theme().colors().panel_background)
2677            .child(match &self.server_state {
2678                ServerState::Loading { .. } => v_flex()
2679                    .flex_1()
2680                    .when(v2_flag, |this| {
2681                        this.size_full().items_center().justify_center().child(
2682                            Label::new("Loading…").color(Color::Muted).with_animation(
2683                                "loading-agent-label",
2684                                Animation::new(Duration::from_secs(2))
2685                                    .repeat()
2686                                    .with_easing(pulsating_between(0.3, 0.7)),
2687                                |label, delta| label.alpha(delta),
2688                            ),
2689                        )
2690                    })
2691                    .into_any(),
2692                ServerState::LoadError { error: e, .. } => v_flex()
2693                    .flex_1()
2694                    .size_full()
2695                    .items_center()
2696                    .justify_end()
2697                    .child(self.render_load_error(e, window, cx))
2698                    .into_any(),
2699                ServerState::Connected(ConnectedServerState {
2700                    connection,
2701                    auth_state:
2702                        AuthState::Unauthenticated {
2703                            description,
2704                            configuration_view,
2705                            pending_auth_method,
2706                            _subscription,
2707                        },
2708                    ..
2709                }) => v_flex()
2710                    .flex_1()
2711                    .size_full()
2712                    .justify_end()
2713                    .child(self.render_auth_required_state(
2714                        connection,
2715                        description.as_ref(),
2716                        configuration_view.as_ref(),
2717                        pending_auth_method.as_ref(),
2718                        window,
2719                        cx,
2720                    ))
2721                    .into_any_element(),
2722                ServerState::Connected(connected) => {
2723                    if let Some(view) = connected.active_view() {
2724                        view.clone().into_any_element()
2725                    } else {
2726                        debug_panic!("This state should never be reached");
2727                        div().into_any_element()
2728                    }
2729                }
2730            })
2731    }
2732}
2733
2734fn plan_label_markdown_style(
2735    status: &acp::PlanEntryStatus,
2736    window: &Window,
2737    cx: &App,
2738) -> MarkdownStyle {
2739    let default_md_style = MarkdownStyle::themed(MarkdownFont::Agent, window, cx);
2740
2741    MarkdownStyle {
2742        base_text_style: TextStyle {
2743            color: cx.theme().colors().text_muted,
2744            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
2745                Some(gpui::StrikethroughStyle {
2746                    thickness: px(1.),
2747                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
2748                })
2749            } else {
2750                None
2751            },
2752            ..default_md_style.base_text_style
2753        },
2754        ..default_md_style
2755    }
2756}
2757
2758#[cfg(test)]
2759pub(crate) mod tests {
2760    use acp_thread::{
2761        AgentSessionList, AgentSessionListRequest, AgentSessionListResponse, StubAgentConnection,
2762    };
2763    use action_log::ActionLog;
2764    use agent::{AgentTool, EditFileTool, FetchTool, TerminalTool, ToolPermissionContext};
2765    use agent_client_protocol::SessionId;
2766    use assistant_text_thread::TextThreadStore;
2767    use editor::MultiBufferOffset;
2768    use fs::FakeFs;
2769    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
2770    use parking_lot::Mutex;
2771    use project::Project;
2772    use serde_json::json;
2773    use settings::SettingsStore;
2774    use std::any::Any;
2775    use std::path::{Path, PathBuf};
2776    use std::rc::Rc;
2777    use std::sync::Arc;
2778    use workspace::{Item, MultiWorkspace};
2779
2780    use crate::agent_panel;
2781
2782    use super::*;
2783
2784    #[gpui::test]
2785    async fn test_drop(cx: &mut TestAppContext) {
2786        init_test(cx);
2787
2788        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
2789        let weak_view = thread_view.downgrade();
2790        drop(thread_view);
2791        assert!(!weak_view.is_upgradable());
2792    }
2793
2794    #[gpui::test]
2795    async fn test_external_source_prompt_requires_manual_send(cx: &mut TestAppContext) {
2796        init_test(cx);
2797
2798        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2799            panic!("expected prompt from external source to sanitize successfully");
2800        };
2801        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2802
2803        let (thread_view, cx) = setup_thread_view_with_initial_content(
2804            StubAgentServer::default_response(),
2805            initial_content,
2806            cx,
2807        )
2808        .await;
2809
2810        active_thread(&thread_view, cx).read_with(cx, |view, cx| {
2811            assert!(view.show_external_source_prompt_warning);
2812            assert_eq!(view.thread.read(cx).entries().len(), 0);
2813            assert_eq!(view.message_editor.read(cx).text(cx), "Write me a script");
2814        });
2815    }
2816
2817    #[gpui::test]
2818    async fn test_external_source_prompt_warning_clears_after_send(cx: &mut TestAppContext) {
2819        init_test(cx);
2820
2821        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2822            panic!("expected prompt from external source to sanitize successfully");
2823        };
2824        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2825
2826        let (thread_view, cx) = setup_thread_view_with_initial_content(
2827            StubAgentServer::default_response(),
2828            initial_content,
2829            cx,
2830        )
2831        .await;
2832
2833        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
2834        cx.run_until_parked();
2835
2836        active_thread(&thread_view, cx).read_with(cx, |view, cx| {
2837            assert!(!view.show_external_source_prompt_warning);
2838            assert_eq!(view.message_editor.read(cx).text(cx), "");
2839            assert_eq!(view.thread.read(cx).entries().len(), 2);
2840        });
2841    }
2842
2843    #[gpui::test]
2844    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
2845        init_test(cx);
2846
2847        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
2848
2849        let message_editor = message_editor(&thread_view, cx);
2850        message_editor.update_in(cx, |editor, window, cx| {
2851            editor.set_text("Hello", window, cx);
2852        });
2853
2854        cx.deactivate_window();
2855
2856        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
2857
2858        cx.run_until_parked();
2859
2860        assert!(
2861            cx.windows()
2862                .iter()
2863                .any(|window| window.downcast::<AgentNotification>().is_some())
2864        );
2865    }
2866
2867    #[gpui::test]
2868    async fn test_notification_for_error(cx: &mut TestAppContext) {
2869        init_test(cx);
2870
2871        let (thread_view, cx) =
2872            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
2873
2874        let message_editor = message_editor(&thread_view, cx);
2875        message_editor.update_in(cx, |editor, window, cx| {
2876            editor.set_text("Hello", window, cx);
2877        });
2878
2879        cx.deactivate_window();
2880
2881        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
2882
2883        cx.run_until_parked();
2884
2885        assert!(
2886            cx.windows()
2887                .iter()
2888                .any(|window| window.downcast::<AgentNotification>().is_some())
2889        );
2890    }
2891
2892    #[gpui::test]
2893    async fn test_recent_history_refreshes_when_history_cache_updated(cx: &mut TestAppContext) {
2894        init_test(cx);
2895
2896        let session_a = AgentSessionInfo::new(SessionId::new("session-a"));
2897        let session_b = AgentSessionInfo::new(SessionId::new("session-b"));
2898
2899        let fs = FakeFs::new(cx.executor());
2900        let project = Project::test(fs, [], cx).await;
2901        let (multi_workspace, cx) =
2902            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
2903        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
2904
2905        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
2906        let connection_store =
2907            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
2908
2909        let thread_view = cx.update(|window, cx| {
2910            cx.new(|cx| {
2911                ConnectionView::new(
2912                    Rc::new(StubAgentServer::default_response()),
2913                    connection_store,
2914                    Agent::Custom { id: "Test".into() },
2915                    None,
2916                    None,
2917                    None,
2918                    None,
2919                    workspace.downgrade(),
2920                    project,
2921                    Some(thread_store),
2922                    None,
2923                    window,
2924                    cx,
2925                )
2926            })
2927        });
2928
2929        // Wait for connection to establish
2930        cx.run_until_parked();
2931
2932        let history = cx.update(|_window, cx| {
2933            thread_view
2934                .read(cx)
2935                .history()
2936                .expect("Missing history")
2937                .clone()
2938        });
2939
2940        // Initially empty because StubAgentConnection.session_list() returns None
2941        active_thread(&thread_view, cx).read_with(cx, |view, _cx| {
2942            assert_eq!(view.recent_history_entries.len(), 0);
2943        });
2944
2945        // Now set the session list - this simulates external agents providing their history
2946        let list_a: Rc<dyn AgentSessionList> =
2947            Rc::new(StubSessionList::new(vec![session_a.clone()]));
2948        history.update(cx, |history, cx| {
2949            history.set_session_list(Some(list_a), cx);
2950        });
2951        cx.run_until_parked();
2952
2953        active_thread(&thread_view, cx).read_with(cx, |view, _cx| {
2954            assert_eq!(view.recent_history_entries.len(), 1);
2955            assert_eq!(
2956                view.recent_history_entries[0].session_id,
2957                session_a.session_id
2958            );
2959        });
2960
2961        // Update to a different session list
2962        let list_b: Rc<dyn AgentSessionList> =
2963            Rc::new(StubSessionList::new(vec![session_b.clone()]));
2964        history.update(cx, |history, cx| {
2965            history.set_session_list(Some(list_b), cx);
2966        });
2967        cx.run_until_parked();
2968
2969        active_thread(&thread_view, cx).read_with(cx, |view, _cx| {
2970            assert_eq!(view.recent_history_entries.len(), 1);
2971            assert_eq!(
2972                view.recent_history_entries[0].session_id,
2973                session_b.session_id
2974            );
2975        });
2976    }
2977
2978    #[gpui::test]
2979    async fn test_new_thread_creation_triggers_session_list_refresh(cx: &mut TestAppContext) {
2980        init_test(cx);
2981
2982        let session = AgentSessionInfo::new(SessionId::new("history-session"));
2983        let (thread_view, history, cx) = setup_thread_view_with_history(
2984            StubAgentServer::new(SessionHistoryConnection::new(vec![session.clone()])),
2985            cx,
2986        )
2987        .await;
2988
2989        history.read_with(cx, |history, _cx| {
2990            assert!(
2991                history.has_session_list(),
2992                "session list should be attached after thread creation"
2993            );
2994        });
2995
2996        active_thread(&thread_view, cx).read_with(cx, |view, _cx| {
2997            assert_eq!(view.recent_history_entries.len(), 1);
2998            assert_eq!(
2999                view.recent_history_entries[0].session_id,
3000                session.session_id
3001            );
3002        });
3003    }
3004
3005    #[gpui::test]
3006    async fn test_resume_without_history_adds_notice(cx: &mut TestAppContext) {
3007        init_test(cx);
3008
3009        let fs = FakeFs::new(cx.executor());
3010        let project = Project::test(fs, [], cx).await;
3011        let (multi_workspace, cx) =
3012            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3013        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3014
3015        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3016        let connection_store =
3017            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3018
3019        let thread_view = cx.update(|window, cx| {
3020            cx.new(|cx| {
3021                ConnectionView::new(
3022                    Rc::new(StubAgentServer::new(ResumeOnlyAgentConnection)),
3023                    connection_store,
3024                    Agent::Custom { id: "Test".into() },
3025                    Some(SessionId::new("resume-session")),
3026                    None,
3027                    None,
3028                    None,
3029                    workspace.downgrade(),
3030                    project,
3031                    Some(thread_store),
3032                    None,
3033                    window,
3034                    cx,
3035                )
3036            })
3037        });
3038
3039        cx.run_until_parked();
3040
3041        thread_view.read_with(cx, |view, cx| {
3042            let state = view.active_thread().unwrap();
3043            assert!(state.read(cx).resumed_without_history);
3044            assert_eq!(state.read(cx).list_state.item_count(), 0);
3045        });
3046    }
3047
3048    #[gpui::test]
3049    async fn test_resume_thread_uses_session_cwd_when_inside_project(cx: &mut TestAppContext) {
3050        init_test(cx);
3051
3052        let fs = FakeFs::new(cx.executor());
3053        fs.insert_tree(
3054            "/project",
3055            json!({
3056                "subdir": {
3057                    "file.txt": "hello"
3058                }
3059            }),
3060        )
3061        .await;
3062        let project = Project::test(fs, [Path::new("/project")], cx).await;
3063        let (multi_workspace, cx) =
3064            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3065        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3066
3067        let connection = CwdCapturingConnection::new();
3068        let captured_cwd = connection.captured_work_dirs.clone();
3069
3070        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3071        let connection_store =
3072            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3073
3074        let _thread_view = cx.update(|window, cx| {
3075            cx.new(|cx| {
3076                ConnectionView::new(
3077                    Rc::new(StubAgentServer::new(connection)),
3078                    connection_store,
3079                    Agent::Custom { id: "Test".into() },
3080                    Some(SessionId::new("session-1")),
3081                    Some(PathList::new(&[PathBuf::from("/project/subdir")])),
3082                    None,
3083                    None,
3084                    workspace.downgrade(),
3085                    project,
3086                    Some(thread_store),
3087                    None,
3088                    window,
3089                    cx,
3090                )
3091            })
3092        });
3093
3094        cx.run_until_parked();
3095
3096        assert_eq!(
3097            captured_cwd.lock().as_ref().unwrap(),
3098            &PathList::new(&[Path::new("/project/subdir")]),
3099            "Should use session cwd when it's inside the project"
3100        );
3101    }
3102
3103    #[gpui::test]
3104    async fn test_refusal_handling(cx: &mut TestAppContext) {
3105        init_test(cx);
3106
3107        let (thread_view, cx) =
3108            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
3109
3110        let message_editor = message_editor(&thread_view, cx);
3111        message_editor.update_in(cx, |editor, window, cx| {
3112            editor.set_text("Do something harmful", window, cx);
3113        });
3114
3115        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3116
3117        cx.run_until_parked();
3118
3119        // Check that the refusal error is set
3120        thread_view.read_with(cx, |thread_view, cx| {
3121            let state = thread_view.active_thread().unwrap();
3122            assert!(
3123                matches!(state.read(cx).thread_error, Some(ThreadError::Refusal)),
3124                "Expected refusal error to be set"
3125            );
3126        });
3127    }
3128
3129    #[gpui::test]
3130    async fn test_connect_failure_transitions_to_load_error(cx: &mut TestAppContext) {
3131        init_test(cx);
3132
3133        let (thread_view, cx) = setup_thread_view(FailingAgentServer, cx).await;
3134
3135        thread_view.read_with(cx, |view, cx| {
3136            let title = view.title(cx);
3137            assert_eq!(
3138                title.as_ref(),
3139                "Error Loading Codex CLI",
3140                "Tab title should show the agent name with an error prefix"
3141            );
3142            match &view.server_state {
3143                ServerState::LoadError {
3144                    error: LoadError::Other(msg),
3145                    ..
3146                } => {
3147                    assert!(
3148                        msg.contains("Invalid gzip header"),
3149                        "Error callout should contain the underlying extraction error, got: {msg}"
3150                    );
3151                }
3152                other => panic!(
3153                    "Expected LoadError::Other, got: {}",
3154                    match other {
3155                        ServerState::Loading(_) => "Loading (stuck!)",
3156                        ServerState::LoadError { .. } => "LoadError (wrong variant)",
3157                        ServerState::Connected(_) => "Connected",
3158                    }
3159                ),
3160            }
3161        });
3162    }
3163
3164    #[gpui::test]
3165    async fn test_auth_required_on_initial_connect(cx: &mut TestAppContext) {
3166        init_test(cx);
3167
3168        let connection = AuthGatedAgentConnection::new();
3169        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
3170
3171        // When new_session returns AuthRequired, the server should transition
3172        // to Connected + Unauthenticated rather than getting stuck in Loading.
3173        thread_view.read_with(cx, |view, _cx| {
3174            let connected = view
3175                .as_connected()
3176                .expect("Should be in Connected state even though auth is required");
3177            assert!(
3178                !connected.auth_state.is_ok(),
3179                "Auth state should be Unauthenticated"
3180            );
3181            assert!(
3182                connected.active_id.is_none(),
3183                "There should be no active thread since no session was created"
3184            );
3185            assert!(
3186                connected.threads.is_empty(),
3187                "There should be no threads since no session was created"
3188            );
3189        });
3190
3191        thread_view.read_with(cx, |view, _cx| {
3192            assert!(
3193                view.active_thread().is_none(),
3194                "active_thread() should be None when unauthenticated without a session"
3195            );
3196        });
3197
3198        // Authenticate using the real authenticate flow on ConnectionView.
3199        // This calls connection.authenticate(), which flips the internal flag,
3200        // then on success triggers reset() -> new_session() which now succeeds.
3201        thread_view.update_in(cx, |view, window, cx| {
3202            view.authenticate(
3203                acp::AuthMethodId::new(AuthGatedAgentConnection::AUTH_METHOD_ID),
3204                window,
3205                cx,
3206            );
3207        });
3208        cx.run_until_parked();
3209
3210        // After auth, the server should have an active thread in the Ok state.
3211        thread_view.read_with(cx, |view, cx| {
3212            let connected = view
3213                .as_connected()
3214                .expect("Should still be in Connected state after auth");
3215            assert!(connected.auth_state.is_ok(), "Auth state should be Ok");
3216            assert!(
3217                connected.active_id.is_some(),
3218                "There should be an active thread after successful auth"
3219            );
3220            assert_eq!(
3221                connected.threads.len(),
3222                1,
3223                "There should be exactly one thread"
3224            );
3225
3226            let active = view
3227                .active_thread()
3228                .expect("active_thread() should return the new thread");
3229            assert!(
3230                active.read(cx).thread_error.is_none(),
3231                "The new thread should have no errors"
3232            );
3233        });
3234    }
3235
3236    #[gpui::test]
3237    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
3238        init_test(cx);
3239
3240        let tool_call_id = acp::ToolCallId::new("1");
3241        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
3242            .kind(acp::ToolKind::Edit)
3243            .content(vec!["hi".into()]);
3244        let connection =
3245            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
3246                tool_call_id,
3247                PermissionOptions::Flat(vec![acp::PermissionOption::new(
3248                    "1",
3249                    "Allow",
3250                    acp::PermissionOptionKind::AllowOnce,
3251                )]),
3252            )]));
3253
3254        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
3255
3256        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
3257
3258        let message_editor = message_editor(&thread_view, cx);
3259        message_editor.update_in(cx, |editor, window, cx| {
3260            editor.set_text("Hello", window, cx);
3261        });
3262
3263        cx.deactivate_window();
3264
3265        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3266
3267        cx.run_until_parked();
3268
3269        assert!(
3270            cx.windows()
3271                .iter()
3272                .any(|window| window.downcast::<AgentNotification>().is_some())
3273        );
3274    }
3275
3276    #[gpui::test]
3277    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
3278        init_test(cx);
3279
3280        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3281
3282        add_to_workspace(thread_view.clone(), cx);
3283
3284        let message_editor = message_editor(&thread_view, cx);
3285
3286        message_editor.update_in(cx, |editor, window, cx| {
3287            editor.set_text("Hello", window, cx);
3288        });
3289
3290        // Window is active (don't deactivate), but panel will be hidden
3291        // Note: In the test environment, the panel is not actually added to the dock,
3292        // so is_agent_panel_hidden will return true
3293
3294        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3295
3296        cx.run_until_parked();
3297
3298        // Should show notification because window is active but panel is hidden
3299        assert!(
3300            cx.windows()
3301                .iter()
3302                .any(|window| window.downcast::<AgentNotification>().is_some()),
3303            "Expected notification when panel is hidden"
3304        );
3305    }
3306
3307    #[gpui::test]
3308    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
3309        init_test(cx);
3310
3311        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3312
3313        let message_editor = message_editor(&thread_view, cx);
3314        message_editor.update_in(cx, |editor, window, cx| {
3315            editor.set_text("Hello", window, cx);
3316        });
3317
3318        // Deactivate window - should show notification regardless of setting
3319        cx.deactivate_window();
3320
3321        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3322
3323        cx.run_until_parked();
3324
3325        // Should still show notification when window is inactive (existing behavior)
3326        assert!(
3327            cx.windows()
3328                .iter()
3329                .any(|window| window.downcast::<AgentNotification>().is_some()),
3330            "Expected notification when window is inactive"
3331        );
3332    }
3333
3334    #[gpui::test]
3335    async fn test_notification_when_workspace_is_background_in_multi_workspace(
3336        cx: &mut TestAppContext,
3337    ) {
3338        init_test(cx);
3339
3340        // Enable multi-workspace feature flag and init globals needed by AgentPanel
3341        let fs = FakeFs::new(cx.executor());
3342
3343        cx.update(|cx| {
3344            cx.update_flags(true, vec!["agent-v2".to_string()]);
3345            agent::ThreadStore::init_global(cx);
3346            language_model::LanguageModelRegistry::test(cx);
3347            <dyn Fs>::set_global(fs.clone(), cx);
3348        });
3349
3350        let project1 = Project::test(fs.clone(), [], cx).await;
3351
3352        // Create a MultiWorkspace window with one workspace
3353        let multi_workspace_handle =
3354            cx.add_window(|window, cx| MultiWorkspace::test_new(project1.clone(), window, cx));
3355
3356        // Get workspace 1 (the initial workspace)
3357        let workspace1 = multi_workspace_handle
3358            .read_with(cx, |mw, _cx| mw.workspace().clone())
3359            .unwrap();
3360
3361        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3362
3363        workspace1.update_in(cx, |workspace, window, cx| {
3364            let text_thread_store =
3365                cx.new(|cx| TextThreadStore::fake(workspace.project().clone(), cx));
3366            let panel =
3367                cx.new(|cx| crate::AgentPanel::new(workspace, text_thread_store, None, window, cx));
3368            workspace.set_left_drawer(panel.clone(), cx);
3369
3370            // Open the dock and activate the agent panel so it's visible
3371            workspace.focus_drawer::<crate::AgentPanel>(window, cx);
3372        });
3373
3374        cx.run_until_parked();
3375
3376        cx.read(|cx| {
3377            assert!(
3378                crate::AgentPanel::is_visible(&workspace1, cx),
3379                "AgentPanel should be visible in workspace1's dock"
3380            );
3381        });
3382
3383        // Set up thread view in workspace 1
3384        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3385        let connection_store =
3386            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project1.clone(), cx)));
3387
3388        let agent = StubAgentServer::default_response();
3389        let thread_view = cx.update(|window, cx| {
3390            cx.new(|cx| {
3391                ConnectionView::new(
3392                    Rc::new(agent),
3393                    connection_store,
3394                    Agent::Custom { id: "Test".into() },
3395                    None,
3396                    None,
3397                    None,
3398                    None,
3399                    workspace1.downgrade(),
3400                    project1.clone(),
3401                    Some(thread_store),
3402                    None,
3403                    window,
3404                    cx,
3405                )
3406            })
3407        });
3408        cx.run_until_parked();
3409
3410        let message_editor = message_editor(&thread_view, cx);
3411        message_editor.update_in(cx, |editor, window, cx| {
3412            editor.set_text("Hello", window, cx);
3413        });
3414
3415        // Create a second workspace and switch to it.
3416        // This makes workspace1 the "background" workspace.
3417        let project2 = Project::test(fs, [], cx).await;
3418        multi_workspace_handle
3419            .update(cx, |mw, window, cx| {
3420                mw.test_add_workspace(project2, window, cx);
3421            })
3422            .unwrap();
3423
3424        cx.run_until_parked();
3425
3426        // Verify workspace1 is no longer the active workspace
3427        multi_workspace_handle
3428            .read_with(cx, |mw, _cx| {
3429                assert_eq!(mw.active_workspace_index(), 1);
3430                assert_ne!(mw.workspace(), &workspace1);
3431            })
3432            .unwrap();
3433
3434        // Window is active, agent panel is visible in workspace1, but workspace1
3435        // is in the background. The notification should show because the user
3436        // can't actually see the agent panel.
3437        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3438
3439        cx.run_until_parked();
3440
3441        assert!(
3442            cx.windows()
3443                .iter()
3444                .any(|window| window.downcast::<AgentNotification>().is_some()),
3445            "Expected notification when workspace is in background within MultiWorkspace"
3446        );
3447
3448        // Also verify: clicking "View Panel" should switch to workspace1.
3449        cx.windows()
3450            .iter()
3451            .find_map(|window| window.downcast::<AgentNotification>())
3452            .unwrap()
3453            .update(cx, |window, _, cx| window.accept(cx))
3454            .unwrap();
3455
3456        cx.run_until_parked();
3457
3458        multi_workspace_handle
3459            .read_with(cx, |mw, _cx| {
3460                assert_eq!(
3461                    mw.workspace(),
3462                    &workspace1,
3463                    "Expected workspace1 to become the active workspace after accepting notification"
3464                );
3465            })
3466            .unwrap();
3467    }
3468
3469    #[gpui::test]
3470    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
3471        init_test(cx);
3472
3473        // Set notify_when_agent_waiting to Never
3474        cx.update(|cx| {
3475            AgentSettings::override_global(
3476                AgentSettings {
3477                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
3478                    ..AgentSettings::get_global(cx).clone()
3479                },
3480                cx,
3481            );
3482        });
3483
3484        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3485
3486        let message_editor = message_editor(&thread_view, cx);
3487        message_editor.update_in(cx, |editor, window, cx| {
3488            editor.set_text("Hello", window, cx);
3489        });
3490
3491        // Window is active
3492
3493        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3494
3495        cx.run_until_parked();
3496
3497        // Should NOT show notification because notify_when_agent_waiting is Never
3498        assert!(
3499            !cx.windows()
3500                .iter()
3501                .any(|window| window.downcast::<AgentNotification>().is_some()),
3502            "Expected no notification when notify_when_agent_waiting is Never"
3503        );
3504    }
3505
3506    #[gpui::test]
3507    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
3508        init_test(cx);
3509
3510        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
3511
3512        let weak_view = thread_view.downgrade();
3513
3514        let message_editor = message_editor(&thread_view, cx);
3515        message_editor.update_in(cx, |editor, window, cx| {
3516            editor.set_text("Hello", window, cx);
3517        });
3518
3519        cx.deactivate_window();
3520
3521        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
3522
3523        cx.run_until_parked();
3524
3525        // Verify notification is shown
3526        assert!(
3527            cx.windows()
3528                .iter()
3529                .any(|window| window.downcast::<AgentNotification>().is_some()),
3530            "Expected notification to be shown"
3531        );
3532
3533        // Drop the thread view (simulating navigation to a new thread)
3534        drop(thread_view);
3535        drop(message_editor);
3536        // Trigger an update to flush effects, which will call release_dropped_entities
3537        cx.update(|_window, _cx| {});
3538        cx.run_until_parked();
3539
3540        // Verify the entity was actually released
3541        assert!(
3542            !weak_view.is_upgradable(),
3543            "Thread view entity should be released after dropping"
3544        );
3545
3546        // The notification should be automatically closed via on_release
3547        assert!(
3548            !cx.windows()
3549                .iter()
3550                .any(|window| window.downcast::<AgentNotification>().is_some()),
3551            "Notification should be closed when thread view is dropped"
3552        );
3553    }
3554
3555    async fn setup_thread_view(
3556        agent: impl AgentServer + 'static,
3557        cx: &mut TestAppContext,
3558    ) -> (Entity<ConnectionView>, &mut VisualTestContext) {
3559        let (thread_view, _history, cx) =
3560            setup_thread_view_with_history_and_initial_content(agent, None, cx).await;
3561        (thread_view, cx)
3562    }
3563
3564    async fn setup_thread_view_with_history(
3565        agent: impl AgentServer + 'static,
3566        cx: &mut TestAppContext,
3567    ) -> (
3568        Entity<ConnectionView>,
3569        Entity<ThreadHistory>,
3570        &mut VisualTestContext,
3571    ) {
3572        let (thread_view, history, cx) =
3573            setup_thread_view_with_history_and_initial_content(agent, None, cx).await;
3574        (thread_view, history.expect("Missing history"), cx)
3575    }
3576
3577    async fn setup_thread_view_with_initial_content(
3578        agent: impl AgentServer + 'static,
3579        initial_content: AgentInitialContent,
3580        cx: &mut TestAppContext,
3581    ) -> (Entity<ConnectionView>, &mut VisualTestContext) {
3582        let (thread_view, _history, cx) =
3583            setup_thread_view_with_history_and_initial_content(agent, Some(initial_content), cx)
3584                .await;
3585        (thread_view, cx)
3586    }
3587
3588    async fn setup_thread_view_with_history_and_initial_content(
3589        agent: impl AgentServer + 'static,
3590        initial_content: Option<AgentInitialContent>,
3591        cx: &mut TestAppContext,
3592    ) -> (
3593        Entity<ConnectionView>,
3594        Option<Entity<ThreadHistory>>,
3595        &mut VisualTestContext,
3596    ) {
3597        let fs = FakeFs::new(cx.executor());
3598        let project = Project::test(fs, [], cx).await;
3599        let (multi_workspace, cx) =
3600            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3601        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3602
3603        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3604        let connection_store =
3605            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3606
3607        let agent_key = Agent::Custom { id: "Test".into() };
3608
3609        let thread_view = cx.update(|window, cx| {
3610            cx.new(|cx| {
3611                ConnectionView::new(
3612                    Rc::new(agent),
3613                    connection_store.clone(),
3614                    agent_key.clone(),
3615                    None,
3616                    None,
3617                    None,
3618                    initial_content,
3619                    workspace.downgrade(),
3620                    project,
3621                    Some(thread_store),
3622                    None,
3623                    window,
3624                    cx,
3625                )
3626            })
3627        });
3628        cx.run_until_parked();
3629
3630        let history = cx.update(|_window, cx| {
3631            connection_store
3632                .read(cx)
3633                .entry(&agent_key)
3634                .and_then(|e| e.read(cx).history().cloned())
3635        });
3636
3637        (thread_view, history, cx)
3638    }
3639
3640    fn add_to_workspace(thread_view: Entity<ConnectionView>, cx: &mut VisualTestContext) {
3641        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
3642
3643        workspace
3644            .update_in(cx, |workspace, window, cx| {
3645                workspace.add_item_to_active_pane(
3646                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
3647                    None,
3648                    true,
3649                    window,
3650                    cx,
3651                );
3652            })
3653            .unwrap();
3654    }
3655
3656    struct ThreadViewItem(Entity<ConnectionView>);
3657
3658    impl Item for ThreadViewItem {
3659        type Event = ();
3660
3661        fn include_in_nav_history() -> bool {
3662            false
3663        }
3664
3665        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
3666            "Test".into()
3667        }
3668    }
3669
3670    impl EventEmitter<()> for ThreadViewItem {}
3671
3672    impl Focusable for ThreadViewItem {
3673        fn focus_handle(&self, cx: &App) -> FocusHandle {
3674            self.0.read(cx).focus_handle(cx)
3675        }
3676    }
3677
3678    impl Render for ThreadViewItem {
3679        fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3680            // Render the title editor in the element tree too. In the real app
3681            // it is part of the agent panel
3682            let title_editor = self
3683                .0
3684                .read(cx)
3685                .active_thread()
3686                .map(|t| t.read(cx).title_editor.clone());
3687
3688            v_flex().children(title_editor).child(self.0.clone())
3689        }
3690    }
3691
3692    pub(crate) struct StubAgentServer<C> {
3693        connection: C,
3694    }
3695
3696    impl<C> StubAgentServer<C> {
3697        pub(crate) fn new(connection: C) -> Self {
3698            Self { connection }
3699        }
3700    }
3701
3702    impl StubAgentServer<StubAgentConnection> {
3703        pub(crate) fn default_response() -> Self {
3704            let conn = StubAgentConnection::new();
3705            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
3706                acp::ContentChunk::new("Default response".into()),
3707            )]);
3708            Self::new(conn)
3709        }
3710    }
3711
3712    impl<C> AgentServer for StubAgentServer<C>
3713    where
3714        C: 'static + AgentConnection + Send + Clone,
3715    {
3716        fn logo(&self) -> ui::IconName {
3717            ui::IconName::Ai
3718        }
3719
3720        fn agent_id(&self) -> AgentId {
3721            "Test".into()
3722        }
3723
3724        fn connect(
3725            &self,
3726            _delegate: AgentServerDelegate,
3727            _cx: &mut App,
3728        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
3729            Task::ready(Ok(Rc::new(self.connection.clone())))
3730        }
3731
3732        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3733            self
3734        }
3735    }
3736
3737    struct FailingAgentServer;
3738
3739    impl AgentServer for FailingAgentServer {
3740        fn logo(&self) -> ui::IconName {
3741            ui::IconName::AiOpenAi
3742        }
3743
3744        fn agent_id(&self) -> AgentId {
3745            AgentId::new("Codex CLI")
3746        }
3747
3748        fn connect(
3749            &self,
3750            _delegate: AgentServerDelegate,
3751            _cx: &mut App,
3752        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
3753            Task::ready(Err(anyhow!(
3754                "extracting downloaded asset for \
3755                 https://github.com/zed-industries/codex-acp/releases/download/v0.9.4/\
3756                 codex-acp-0.9.4-aarch64-pc-windows-msvc.zip: \
3757                 failed to iterate over archive: Invalid gzip header"
3758            )))
3759        }
3760
3761        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3762            self
3763        }
3764    }
3765
3766    #[derive(Clone)]
3767    struct StubSessionList {
3768        sessions: Vec<AgentSessionInfo>,
3769    }
3770
3771    impl StubSessionList {
3772        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
3773            Self { sessions }
3774        }
3775    }
3776
3777    impl AgentSessionList for StubSessionList {
3778        fn list_sessions(
3779            &self,
3780            _request: AgentSessionListRequest,
3781            _cx: &mut App,
3782        ) -> Task<anyhow::Result<AgentSessionListResponse>> {
3783            Task::ready(Ok(AgentSessionListResponse::new(self.sessions.clone())))
3784        }
3785
3786        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3787            self
3788        }
3789    }
3790
3791    #[derive(Clone)]
3792    struct SessionHistoryConnection {
3793        sessions: Vec<AgentSessionInfo>,
3794    }
3795
3796    impl SessionHistoryConnection {
3797        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
3798            Self { sessions }
3799        }
3800    }
3801
3802    fn build_test_thread(
3803        connection: Rc<dyn AgentConnection>,
3804        project: Entity<Project>,
3805        name: &'static str,
3806        session_id: SessionId,
3807        cx: &mut App,
3808    ) -> Entity<AcpThread> {
3809        let action_log = cx.new(|_| ActionLog::new(project.clone()));
3810        cx.new(|cx| {
3811            AcpThread::new(
3812                None,
3813                name,
3814                None,
3815                connection,
3816                project,
3817                action_log,
3818                session_id,
3819                watch::Receiver::constant(
3820                    acp::PromptCapabilities::new()
3821                        .image(true)
3822                        .audio(true)
3823                        .embedded_context(true),
3824                ),
3825                cx,
3826            )
3827        })
3828    }
3829
3830    impl AgentConnection for SessionHistoryConnection {
3831        fn agent_id(&self) -> AgentId {
3832            AgentId::new("history-connection")
3833        }
3834
3835        fn telemetry_id(&self) -> SharedString {
3836            "history-connection".into()
3837        }
3838
3839        fn new_session(
3840            self: Rc<Self>,
3841            project: Entity<Project>,
3842            _work_dirs: PathList,
3843            cx: &mut App,
3844        ) -> Task<anyhow::Result<Entity<AcpThread>>> {
3845            let thread = build_test_thread(
3846                self,
3847                project,
3848                "SessionHistoryConnection",
3849                SessionId::new("history-session"),
3850                cx,
3851            );
3852            Task::ready(Ok(thread))
3853        }
3854
3855        fn supports_load_session(&self) -> bool {
3856            true
3857        }
3858
3859        fn session_list(&self, _cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
3860            Some(Rc::new(StubSessionList::new(self.sessions.clone())))
3861        }
3862
3863        fn auth_methods(&self) -> &[acp::AuthMethod] {
3864            &[]
3865        }
3866
3867        fn authenticate(
3868            &self,
3869            _method_id: acp::AuthMethodId,
3870            _cx: &mut App,
3871        ) -> Task<anyhow::Result<()>> {
3872            Task::ready(Ok(()))
3873        }
3874
3875        fn prompt(
3876            &self,
3877            _id: Option<acp_thread::UserMessageId>,
3878            _params: acp::PromptRequest,
3879            _cx: &mut App,
3880        ) -> Task<anyhow::Result<acp::PromptResponse>> {
3881            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
3882        }
3883
3884        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
3885
3886        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3887            self
3888        }
3889    }
3890
3891    #[derive(Clone)]
3892    struct ResumeOnlyAgentConnection;
3893
3894    impl AgentConnection for ResumeOnlyAgentConnection {
3895        fn agent_id(&self) -> AgentId {
3896            AgentId::new("resume-only")
3897        }
3898
3899        fn telemetry_id(&self) -> SharedString {
3900            "resume-only".into()
3901        }
3902
3903        fn new_session(
3904            self: Rc<Self>,
3905            project: Entity<Project>,
3906            _work_dirs: PathList,
3907            cx: &mut gpui::App,
3908        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3909            let thread = build_test_thread(
3910                self,
3911                project,
3912                "ResumeOnlyAgentConnection",
3913                SessionId::new("new-session"),
3914                cx,
3915            );
3916            Task::ready(Ok(thread))
3917        }
3918
3919        fn supports_resume_session(&self) -> bool {
3920            true
3921        }
3922
3923        fn resume_session(
3924            self: Rc<Self>,
3925            session_id: acp::SessionId,
3926            project: Entity<Project>,
3927            _work_dirs: PathList,
3928            _title: Option<SharedString>,
3929            cx: &mut App,
3930        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3931            let thread =
3932                build_test_thread(self, project, "ResumeOnlyAgentConnection", session_id, cx);
3933            Task::ready(Ok(thread))
3934        }
3935
3936        fn auth_methods(&self) -> &[acp::AuthMethod] {
3937            &[]
3938        }
3939
3940        fn authenticate(
3941            &self,
3942            _method_id: acp::AuthMethodId,
3943            _cx: &mut App,
3944        ) -> Task<gpui::Result<()>> {
3945            Task::ready(Ok(()))
3946        }
3947
3948        fn prompt(
3949            &self,
3950            _id: Option<acp_thread::UserMessageId>,
3951            _params: acp::PromptRequest,
3952            _cx: &mut App,
3953        ) -> Task<gpui::Result<acp::PromptResponse>> {
3954            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
3955        }
3956
3957        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
3958
3959        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3960            self
3961        }
3962    }
3963
3964    /// Simulates an agent that requires authentication before a session can be
3965    /// created. `new_session` returns `AuthRequired` until `authenticate` is
3966    /// called with the correct method, after which sessions are created normally.
3967    #[derive(Clone)]
3968    struct AuthGatedAgentConnection {
3969        authenticated: Arc<Mutex<bool>>,
3970        auth_method: acp::AuthMethod,
3971    }
3972
3973    impl AuthGatedAgentConnection {
3974        const AUTH_METHOD_ID: &str = "test-login";
3975
3976        fn new() -> Self {
3977            Self {
3978                authenticated: Arc::new(Mutex::new(false)),
3979                auth_method: acp::AuthMethod::Agent(acp::AuthMethodAgent::new(
3980                    Self::AUTH_METHOD_ID,
3981                    "Test Login",
3982                )),
3983            }
3984        }
3985    }
3986
3987    impl AgentConnection for AuthGatedAgentConnection {
3988        fn agent_id(&self) -> AgentId {
3989            AgentId::new("auth-gated")
3990        }
3991
3992        fn telemetry_id(&self) -> SharedString {
3993            "auth-gated".into()
3994        }
3995
3996        fn new_session(
3997            self: Rc<Self>,
3998            project: Entity<Project>,
3999            work_dirs: PathList,
4000            cx: &mut gpui::App,
4001        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4002            if !*self.authenticated.lock() {
4003                return Task::ready(Err(acp_thread::AuthRequired::new()
4004                    .with_description("Sign in to continue".to_string())
4005                    .into()));
4006            }
4007
4008            let session_id = acp::SessionId::new("auth-gated-session");
4009            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4010            Task::ready(Ok(cx.new(|cx| {
4011                AcpThread::new(
4012                    None,
4013                    "AuthGatedAgent",
4014                    Some(work_dirs),
4015                    self,
4016                    project,
4017                    action_log,
4018                    session_id,
4019                    watch::Receiver::constant(
4020                        acp::PromptCapabilities::new()
4021                            .image(true)
4022                            .audio(true)
4023                            .embedded_context(true),
4024                    ),
4025                    cx,
4026                )
4027            })))
4028        }
4029
4030        fn auth_methods(&self) -> &[acp::AuthMethod] {
4031            std::slice::from_ref(&self.auth_method)
4032        }
4033
4034        fn authenticate(
4035            &self,
4036            method_id: acp::AuthMethodId,
4037            _cx: &mut App,
4038        ) -> Task<gpui::Result<()>> {
4039            if &method_id == self.auth_method.id() {
4040                *self.authenticated.lock() = true;
4041                Task::ready(Ok(()))
4042            } else {
4043                Task::ready(Err(anyhow::anyhow!("Unknown auth method")))
4044            }
4045        }
4046
4047        fn prompt(
4048            &self,
4049            _id: Option<acp_thread::UserMessageId>,
4050            _params: acp::PromptRequest,
4051            _cx: &mut App,
4052        ) -> Task<gpui::Result<acp::PromptResponse>> {
4053            unimplemented!()
4054        }
4055
4056        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4057            unimplemented!()
4058        }
4059
4060        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4061            self
4062        }
4063    }
4064
4065    #[derive(Clone)]
4066    struct SaboteurAgentConnection;
4067
4068    impl AgentConnection for SaboteurAgentConnection {
4069        fn agent_id(&self) -> AgentId {
4070            AgentId::new("saboteur")
4071        }
4072
4073        fn telemetry_id(&self) -> SharedString {
4074            "saboteur".into()
4075        }
4076
4077        fn new_session(
4078            self: Rc<Self>,
4079            project: Entity<Project>,
4080            work_dirs: PathList,
4081            cx: &mut gpui::App,
4082        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4083            Task::ready(Ok(cx.new(|cx| {
4084                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4085                AcpThread::new(
4086                    None,
4087                    "SaboteurAgentConnection",
4088                    Some(work_dirs),
4089                    self,
4090                    project,
4091                    action_log,
4092                    SessionId::new("test"),
4093                    watch::Receiver::constant(
4094                        acp::PromptCapabilities::new()
4095                            .image(true)
4096                            .audio(true)
4097                            .embedded_context(true),
4098                    ),
4099                    cx,
4100                )
4101            })))
4102        }
4103
4104        fn auth_methods(&self) -> &[acp::AuthMethod] {
4105            &[]
4106        }
4107
4108        fn authenticate(
4109            &self,
4110            _method_id: acp::AuthMethodId,
4111            _cx: &mut App,
4112        ) -> Task<gpui::Result<()>> {
4113            unimplemented!()
4114        }
4115
4116        fn prompt(
4117            &self,
4118            _id: Option<acp_thread::UserMessageId>,
4119            _params: acp::PromptRequest,
4120            _cx: &mut App,
4121        ) -> Task<gpui::Result<acp::PromptResponse>> {
4122            Task::ready(Err(anyhow::anyhow!("Error prompting")))
4123        }
4124
4125        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4126            unimplemented!()
4127        }
4128
4129        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4130            self
4131        }
4132    }
4133
4134    /// Simulates a model which always returns a refusal response
4135    #[derive(Clone)]
4136    struct RefusalAgentConnection;
4137
4138    impl AgentConnection for RefusalAgentConnection {
4139        fn agent_id(&self) -> AgentId {
4140            AgentId::new("refusal")
4141        }
4142
4143        fn telemetry_id(&self) -> SharedString {
4144            "refusal".into()
4145        }
4146
4147        fn new_session(
4148            self: Rc<Self>,
4149            project: Entity<Project>,
4150            work_dirs: PathList,
4151            cx: &mut gpui::App,
4152        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4153            Task::ready(Ok(cx.new(|cx| {
4154                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4155                AcpThread::new(
4156                    None,
4157                    "RefusalAgentConnection",
4158                    Some(work_dirs),
4159                    self,
4160                    project,
4161                    action_log,
4162                    SessionId::new("test"),
4163                    watch::Receiver::constant(
4164                        acp::PromptCapabilities::new()
4165                            .image(true)
4166                            .audio(true)
4167                            .embedded_context(true),
4168                    ),
4169                    cx,
4170                )
4171            })))
4172        }
4173
4174        fn auth_methods(&self) -> &[acp::AuthMethod] {
4175            &[]
4176        }
4177
4178        fn authenticate(
4179            &self,
4180            _method_id: acp::AuthMethodId,
4181            _cx: &mut App,
4182        ) -> Task<gpui::Result<()>> {
4183            unimplemented!()
4184        }
4185
4186        fn prompt(
4187            &self,
4188            _id: Option<acp_thread::UserMessageId>,
4189            _params: acp::PromptRequest,
4190            _cx: &mut App,
4191        ) -> Task<gpui::Result<acp::PromptResponse>> {
4192            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
4193        }
4194
4195        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4196            unimplemented!()
4197        }
4198
4199        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4200            self
4201        }
4202    }
4203
4204    #[derive(Clone)]
4205    struct CwdCapturingConnection {
4206        captured_work_dirs: Arc<Mutex<Option<PathList>>>,
4207    }
4208
4209    impl CwdCapturingConnection {
4210        fn new() -> Self {
4211            Self {
4212                captured_work_dirs: Arc::new(Mutex::new(None)),
4213            }
4214        }
4215    }
4216
4217    impl AgentConnection for CwdCapturingConnection {
4218        fn agent_id(&self) -> AgentId {
4219            AgentId::new("cwd-capturing")
4220        }
4221
4222        fn telemetry_id(&self) -> SharedString {
4223            "cwd-capturing".into()
4224        }
4225
4226        fn new_session(
4227            self: Rc<Self>,
4228            project: Entity<Project>,
4229            work_dirs: PathList,
4230            cx: &mut gpui::App,
4231        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4232            *self.captured_work_dirs.lock() = Some(work_dirs.clone());
4233            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4234            let thread = cx.new(|cx| {
4235                AcpThread::new(
4236                    None,
4237                    "CwdCapturingConnection",
4238                    Some(work_dirs),
4239                    self.clone(),
4240                    project,
4241                    action_log,
4242                    SessionId::new("new-session"),
4243                    watch::Receiver::constant(
4244                        acp::PromptCapabilities::new()
4245                            .image(true)
4246                            .audio(true)
4247                            .embedded_context(true),
4248                    ),
4249                    cx,
4250                )
4251            });
4252            Task::ready(Ok(thread))
4253        }
4254
4255        fn supports_load_session(&self) -> bool {
4256            true
4257        }
4258
4259        fn load_session(
4260            self: Rc<Self>,
4261            session_id: acp::SessionId,
4262            project: Entity<Project>,
4263            work_dirs: PathList,
4264            _title: Option<SharedString>,
4265            cx: &mut App,
4266        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4267            *self.captured_work_dirs.lock() = Some(work_dirs.clone());
4268            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4269            let thread = cx.new(|cx| {
4270                AcpThread::new(
4271                    None,
4272                    "CwdCapturingConnection",
4273                    Some(work_dirs),
4274                    self.clone(),
4275                    project,
4276                    action_log,
4277                    session_id,
4278                    watch::Receiver::constant(
4279                        acp::PromptCapabilities::new()
4280                            .image(true)
4281                            .audio(true)
4282                            .embedded_context(true),
4283                    ),
4284                    cx,
4285                )
4286            });
4287            Task::ready(Ok(thread))
4288        }
4289
4290        fn auth_methods(&self) -> &[acp::AuthMethod] {
4291            &[]
4292        }
4293
4294        fn authenticate(
4295            &self,
4296            _method_id: acp::AuthMethodId,
4297            _cx: &mut App,
4298        ) -> Task<gpui::Result<()>> {
4299            Task::ready(Ok(()))
4300        }
4301
4302        fn prompt(
4303            &self,
4304            _id: Option<acp_thread::UserMessageId>,
4305            _params: acp::PromptRequest,
4306            _cx: &mut App,
4307        ) -> Task<gpui::Result<acp::PromptResponse>> {
4308            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4309        }
4310
4311        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4312
4313        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4314            self
4315        }
4316    }
4317
4318    pub(crate) fn init_test(cx: &mut TestAppContext) {
4319        cx.update(|cx| {
4320            let settings_store = SettingsStore::test(cx);
4321            cx.set_global(settings_store);
4322            ThreadMetadataStore::init_global(cx);
4323            theme::init(theme::LoadThemes::JustBase, cx);
4324            editor::init(cx);
4325            agent_panel::init(cx);
4326            release_channel::init(semver::Version::new(0, 0, 0), cx);
4327            prompt_store::init(cx)
4328        });
4329    }
4330
4331    fn active_thread(
4332        thread_view: &Entity<ConnectionView>,
4333        cx: &TestAppContext,
4334    ) -> Entity<ThreadView> {
4335        cx.read(|cx| {
4336            thread_view
4337                .read(cx)
4338                .active_thread()
4339                .expect("No active thread")
4340                .clone()
4341        })
4342    }
4343
4344    fn message_editor(
4345        thread_view: &Entity<ConnectionView>,
4346        cx: &TestAppContext,
4347    ) -> Entity<MessageEditor> {
4348        let thread = active_thread(thread_view, cx);
4349        cx.read(|cx| thread.read(cx).message_editor.clone())
4350    }
4351
4352    #[gpui::test]
4353    async fn test_rewind_views(cx: &mut TestAppContext) {
4354        init_test(cx);
4355
4356        let fs = FakeFs::new(cx.executor());
4357        fs.insert_tree(
4358            "/project",
4359            json!({
4360                "test1.txt": "old content 1",
4361                "test2.txt": "old content 2"
4362            }),
4363        )
4364        .await;
4365        let project = Project::test(fs, [Path::new("/project")], cx).await;
4366        let (multi_workspace, cx) =
4367            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
4368        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
4369
4370        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
4371        let connection_store =
4372            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
4373
4374        let connection = Rc::new(StubAgentConnection::new());
4375        let thread_view = cx.update(|window, cx| {
4376            cx.new(|cx| {
4377                ConnectionView::new(
4378                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4379                    connection_store,
4380                    Agent::Custom { id: "Test".into() },
4381                    None,
4382                    None,
4383                    None,
4384                    None,
4385                    workspace.downgrade(),
4386                    project.clone(),
4387                    Some(thread_store.clone()),
4388                    None,
4389                    window,
4390                    cx,
4391                )
4392            })
4393        });
4394
4395        cx.run_until_parked();
4396
4397        let thread = thread_view
4398            .read_with(cx, |view, cx| {
4399                view.active_thread().map(|r| r.read(cx).thread.clone())
4400            })
4401            .unwrap();
4402
4403        // First user message
4404        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4405            acp::ToolCall::new("tool1", "Edit file 1")
4406                .kind(acp::ToolKind::Edit)
4407                .status(acp::ToolCallStatus::Completed)
4408                .content(vec![acp::ToolCallContent::Diff(
4409                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
4410                )]),
4411        )]);
4412
4413        thread
4414            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4415            .await
4416            .unwrap();
4417        cx.run_until_parked();
4418
4419        thread.read_with(cx, |thread, _cx| {
4420            assert_eq!(thread.entries().len(), 2);
4421        });
4422
4423        thread_view.read_with(cx, |view, cx| {
4424            let entry_view_state = view
4425                .active_thread()
4426                .map(|active| active.read(cx).entry_view_state.clone())
4427                .unwrap();
4428            entry_view_state.read_with(cx, |entry_view_state, _| {
4429                assert!(
4430                    entry_view_state
4431                        .entry(0)
4432                        .unwrap()
4433                        .message_editor()
4434                        .is_some()
4435                );
4436                assert!(entry_view_state.entry(1).unwrap().has_content());
4437            });
4438        });
4439
4440        // Second user message
4441        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4442            acp::ToolCall::new("tool2", "Edit file 2")
4443                .kind(acp::ToolKind::Edit)
4444                .status(acp::ToolCallStatus::Completed)
4445                .content(vec![acp::ToolCallContent::Diff(
4446                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
4447                )]),
4448        )]);
4449
4450        thread
4451            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
4452            .await
4453            .unwrap();
4454        cx.run_until_parked();
4455
4456        let second_user_message_id = thread.read_with(cx, |thread, _| {
4457            assert_eq!(thread.entries().len(), 4);
4458            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
4459                panic!();
4460            };
4461            user_message.id.clone().unwrap()
4462        });
4463
4464        thread_view.read_with(cx, |view, cx| {
4465            let entry_view_state = view
4466                .active_thread()
4467                .unwrap()
4468                .read(cx)
4469                .entry_view_state
4470                .clone();
4471            entry_view_state.read_with(cx, |entry_view_state, _| {
4472                assert!(
4473                    entry_view_state
4474                        .entry(0)
4475                        .unwrap()
4476                        .message_editor()
4477                        .is_some()
4478                );
4479                assert!(entry_view_state.entry(1).unwrap().has_content());
4480                assert!(
4481                    entry_view_state
4482                        .entry(2)
4483                        .unwrap()
4484                        .message_editor()
4485                        .is_some()
4486                );
4487                assert!(entry_view_state.entry(3).unwrap().has_content());
4488            });
4489        });
4490
4491        // Rewind to first message
4492        thread
4493            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
4494            .await
4495            .unwrap();
4496
4497        cx.run_until_parked();
4498
4499        thread.read_with(cx, |thread, _| {
4500            assert_eq!(thread.entries().len(), 2);
4501        });
4502
4503        thread_view.read_with(cx, |view, cx| {
4504            let active = view.active_thread().unwrap();
4505            active
4506                .read(cx)
4507                .entry_view_state
4508                .read_with(cx, |entry_view_state, _| {
4509                    assert!(
4510                        entry_view_state
4511                            .entry(0)
4512                            .unwrap()
4513                            .message_editor()
4514                            .is_some()
4515                    );
4516                    assert!(entry_view_state.entry(1).unwrap().has_content());
4517
4518                    // Old views should be dropped
4519                    assert!(entry_view_state.entry(2).is_none());
4520                    assert!(entry_view_state.entry(3).is_none());
4521                });
4522        });
4523    }
4524
4525    #[gpui::test]
4526    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
4527        init_test(cx);
4528
4529        let connection = StubAgentConnection::new();
4530
4531        // Each user prompt will result in a user message entry plus an agent message entry.
4532        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4533            acp::ContentChunk::new("Response 1".into()),
4534        )]);
4535
4536        let (thread_view, cx) =
4537            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4538
4539        let thread = thread_view
4540            .read_with(cx, |view, cx| {
4541                view.active_thread().map(|r| r.read(cx).thread.clone())
4542            })
4543            .unwrap();
4544
4545        thread
4546            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
4547            .await
4548            .unwrap();
4549        cx.run_until_parked();
4550
4551        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4552            acp::ContentChunk::new("Response 2".into()),
4553        )]);
4554
4555        thread
4556            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
4557            .await
4558            .unwrap();
4559        cx.run_until_parked();
4560
4561        // Move somewhere else first so we're not trivially already on the last user prompt.
4562        active_thread(&thread_view, cx).update(cx, |view, cx| {
4563            view.scroll_to_top(cx);
4564        });
4565        cx.run_until_parked();
4566
4567        active_thread(&thread_view, cx).update(cx, |view, cx| {
4568            view.scroll_to_most_recent_user_prompt(cx);
4569            let scroll_top = view.list_state.logical_scroll_top();
4570            // Entries layout is: [User1, Assistant1, User2, Assistant2]
4571            assert_eq!(scroll_top.item_ix, 2);
4572        });
4573    }
4574
4575    #[gpui::test]
4576    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
4577        cx: &mut TestAppContext,
4578    ) {
4579        init_test(cx);
4580
4581        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
4582
4583        // With no entries, scrolling should be a no-op and must not panic.
4584        active_thread(&thread_view, cx).update(cx, |view, cx| {
4585            view.scroll_to_most_recent_user_prompt(cx);
4586            let scroll_top = view.list_state.logical_scroll_top();
4587            assert_eq!(scroll_top.item_ix, 0);
4588        });
4589    }
4590
4591    #[gpui::test]
4592    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
4593        init_test(cx);
4594
4595        let connection = StubAgentConnection::new();
4596
4597        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4598            acp::ContentChunk::new("Response".into()),
4599        )]);
4600
4601        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4602        add_to_workspace(thread_view.clone(), cx);
4603
4604        let message_editor = message_editor(&thread_view, cx);
4605        message_editor.update_in(cx, |editor, window, cx| {
4606            editor.set_text("Original message to edit", window, cx);
4607        });
4608        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
4609
4610        cx.run_until_parked();
4611
4612        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4613            assert_eq!(
4614                view.active_thread()
4615                    .and_then(|active| active.read(cx).editing_message),
4616                None
4617            );
4618
4619            view.active_thread()
4620                .map(|active| &active.read(cx).entry_view_state)
4621                .as_ref()
4622                .unwrap()
4623                .read(cx)
4624                .entry(0)
4625                .unwrap()
4626                .message_editor()
4627                .unwrap()
4628                .clone()
4629        });
4630
4631        // Focus
4632        cx.focus(&user_message_editor);
4633        thread_view.read_with(cx, |view, cx| {
4634            assert_eq!(
4635                view.active_thread()
4636                    .and_then(|active| active.read(cx).editing_message),
4637                Some(0)
4638            );
4639        });
4640
4641        // Edit
4642        user_message_editor.update_in(cx, |editor, window, cx| {
4643            editor.set_text("Edited message content", window, cx);
4644        });
4645
4646        // Cancel
4647        user_message_editor.update_in(cx, |_editor, window, cx| {
4648            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
4649        });
4650
4651        thread_view.read_with(cx, |view, cx| {
4652            assert_eq!(
4653                view.active_thread()
4654                    .and_then(|active| active.read(cx).editing_message),
4655                None
4656            );
4657        });
4658
4659        user_message_editor.read_with(cx, |editor, cx| {
4660            assert_eq!(editor.text(cx), "Original message to edit");
4661        });
4662    }
4663
4664    #[gpui::test]
4665    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
4666        init_test(cx);
4667
4668        let connection = StubAgentConnection::new();
4669
4670        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
4671        add_to_workspace(thread_view.clone(), cx);
4672
4673        let message_editor = message_editor(&thread_view, cx);
4674        message_editor.update_in(cx, |editor, window, cx| {
4675            editor.set_text("", window, cx);
4676        });
4677
4678        let thread = cx.read(|cx| {
4679            thread_view
4680                .read(cx)
4681                .active_thread()
4682                .unwrap()
4683                .read(cx)
4684                .thread
4685                .clone()
4686        });
4687        let entries_before = cx.read(|cx| thread.read(cx).entries().len());
4688
4689        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| {
4690            view.send(window, cx);
4691        });
4692        cx.run_until_parked();
4693
4694        let entries_after = cx.read(|cx| thread.read(cx).entries().len());
4695        assert_eq!(
4696            entries_before, entries_after,
4697            "No message should be sent when editor is empty"
4698        );
4699    }
4700
4701    #[gpui::test]
4702    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
4703        init_test(cx);
4704
4705        let connection = StubAgentConnection::new();
4706
4707        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4708            acp::ContentChunk::new("Response".into()),
4709        )]);
4710
4711        let (thread_view, cx) =
4712            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4713        add_to_workspace(thread_view.clone(), cx);
4714
4715        let message_editor = message_editor(&thread_view, cx);
4716        message_editor.update_in(cx, |editor, window, cx| {
4717            editor.set_text("Original message to edit", window, cx);
4718        });
4719        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
4720
4721        cx.run_until_parked();
4722
4723        let user_message_editor = thread_view.read_with(cx, |view, cx| {
4724            assert_eq!(
4725                view.active_thread()
4726                    .and_then(|active| active.read(cx).editing_message),
4727                None
4728            );
4729            assert_eq!(
4730                view.active_thread()
4731                    .unwrap()
4732                    .read(cx)
4733                    .thread
4734                    .read(cx)
4735                    .entries()
4736                    .len(),
4737                2
4738            );
4739
4740            view.active_thread()
4741                .map(|active| &active.read(cx).entry_view_state)
4742                .as_ref()
4743                .unwrap()
4744                .read(cx)
4745                .entry(0)
4746                .unwrap()
4747                .message_editor()
4748                .unwrap()
4749                .clone()
4750        });
4751
4752        // Focus
4753        cx.focus(&user_message_editor);
4754
4755        // Edit
4756        user_message_editor.update_in(cx, |editor, window, cx| {
4757            editor.set_text("Edited message content", window, cx);
4758        });
4759
4760        // Send
4761        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4762            acp::ContentChunk::new("New Response".into()),
4763        )]);
4764
4765        user_message_editor.update_in(cx, |_editor, window, cx| {
4766            window.dispatch_action(Box::new(Chat), cx);
4767        });
4768
4769        cx.run_until_parked();
4770
4771        thread_view.read_with(cx, |view, cx| {
4772            assert_eq!(
4773                view.active_thread()
4774                    .and_then(|active| active.read(cx).editing_message),
4775                None
4776            );
4777
4778            let entries = view
4779                .active_thread()
4780                .unwrap()
4781                .read(cx)
4782                .thread
4783                .read(cx)
4784                .entries();
4785            assert_eq!(entries.len(), 2);
4786            assert_eq!(
4787                entries[0].to_markdown(cx),
4788                "## User\n\nEdited message content\n\n"
4789            );
4790            assert_eq!(
4791                entries[1].to_markdown(cx),
4792                "## Assistant\n\nNew Response\n\n"
4793            );
4794
4795            let entry_view_state = view
4796                .active_thread()
4797                .map(|active| &active.read(cx).entry_view_state)
4798                .unwrap();
4799            let new_editor = entry_view_state.read_with(cx, |state, _cx| {
4800                assert!(!state.entry(1).unwrap().has_content());
4801                state.entry(0).unwrap().message_editor().unwrap().clone()
4802            });
4803
4804            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
4805        })
4806    }
4807
4808    #[gpui::test]
4809    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
4810        init_test(cx);
4811
4812        let connection = StubAgentConnection::new();
4813
4814        let (thread_view, cx) =
4815            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4816        add_to_workspace(thread_view.clone(), cx);
4817
4818        let message_editor = message_editor(&thread_view, cx);
4819        message_editor.update_in(cx, |editor, window, cx| {
4820            editor.set_text("Original message to edit", window, cx);
4821        });
4822        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
4823
4824        cx.run_until_parked();
4825
4826        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
4827            let thread = view.active_thread().unwrap().read(cx).thread.read(cx);
4828            assert_eq!(thread.entries().len(), 1);
4829
4830            let editor = view
4831                .active_thread()
4832                .map(|active| &active.read(cx).entry_view_state)
4833                .as_ref()
4834                .unwrap()
4835                .read(cx)
4836                .entry(0)
4837                .unwrap()
4838                .message_editor()
4839                .unwrap()
4840                .clone();
4841
4842            (editor, thread.session_id().clone())
4843        });
4844
4845        // Focus
4846        cx.focus(&user_message_editor);
4847
4848        thread_view.read_with(cx, |view, cx| {
4849            assert_eq!(
4850                view.active_thread()
4851                    .and_then(|active| active.read(cx).editing_message),
4852                Some(0)
4853            );
4854        });
4855
4856        // Edit
4857        user_message_editor.update_in(cx, |editor, window, cx| {
4858            editor.set_text("Edited message content", window, cx);
4859        });
4860
4861        thread_view.read_with(cx, |view, cx| {
4862            assert_eq!(
4863                view.active_thread()
4864                    .and_then(|active| active.read(cx).editing_message),
4865                Some(0)
4866            );
4867        });
4868
4869        // Finish streaming response
4870        cx.update(|_, cx| {
4871            connection.send_update(
4872                session_id.clone(),
4873                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
4874                cx,
4875            );
4876            connection.end_turn(session_id, acp::StopReason::EndTurn);
4877        });
4878
4879        thread_view.read_with(cx, |view, cx| {
4880            assert_eq!(
4881                view.active_thread()
4882                    .and_then(|active| active.read(cx).editing_message),
4883                Some(0)
4884            );
4885        });
4886
4887        cx.run_until_parked();
4888
4889        // Should still be editing
4890        cx.update(|window, cx| {
4891            assert!(user_message_editor.focus_handle(cx).is_focused(window));
4892            assert_eq!(
4893                thread_view
4894                    .read(cx)
4895                    .active_thread()
4896                    .and_then(|active| active.read(cx).editing_message),
4897                Some(0)
4898            );
4899            assert_eq!(
4900                user_message_editor.read(cx).text(cx),
4901                "Edited message content"
4902            );
4903        });
4904    }
4905
4906    struct GeneratingThreadSetup {
4907        thread_view: Entity<ConnectionView>,
4908        thread: Entity<AcpThread>,
4909        message_editor: Entity<MessageEditor>,
4910    }
4911
4912    async fn setup_generating_thread(
4913        cx: &mut TestAppContext,
4914    ) -> (GeneratingThreadSetup, &mut VisualTestContext) {
4915        let connection = StubAgentConnection::new();
4916
4917        let (thread_view, cx) =
4918            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
4919        add_to_workspace(thread_view.clone(), cx);
4920
4921        let message_editor = message_editor(&thread_view, cx);
4922        message_editor.update_in(cx, |editor, window, cx| {
4923            editor.set_text("Hello", window, cx);
4924        });
4925        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
4926
4927        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
4928            let thread = view
4929                .active_thread()
4930                .as_ref()
4931                .unwrap()
4932                .read(cx)
4933                .thread
4934                .clone();
4935            (thread.clone(), thread.read(cx).session_id().clone())
4936        });
4937
4938        cx.run_until_parked();
4939
4940        cx.update(|_, cx| {
4941            connection.send_update(
4942                session_id.clone(),
4943                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
4944                    "Response chunk".into(),
4945                )),
4946                cx,
4947            );
4948        });
4949
4950        cx.run_until_parked();
4951
4952        thread.read_with(cx, |thread, _cx| {
4953            assert_eq!(thread.status(), ThreadStatus::Generating);
4954        });
4955
4956        (
4957            GeneratingThreadSetup {
4958                thread_view,
4959                thread,
4960                message_editor,
4961            },
4962            cx,
4963        )
4964    }
4965
4966    #[gpui::test]
4967    async fn test_escape_cancels_generation_from_conversation_focus(cx: &mut TestAppContext) {
4968        init_test(cx);
4969
4970        let (setup, cx) = setup_generating_thread(cx).await;
4971
4972        let focus_handle = setup
4973            .thread_view
4974            .read_with(cx, |view, cx| view.focus_handle(cx));
4975        cx.update(|window, cx| {
4976            window.focus(&focus_handle, cx);
4977        });
4978
4979        setup.thread_view.update_in(cx, |_, window, cx| {
4980            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
4981        });
4982
4983        cx.run_until_parked();
4984
4985        setup.thread.read_with(cx, |thread, _cx| {
4986            assert_eq!(thread.status(), ThreadStatus::Idle);
4987        });
4988    }
4989
4990    #[gpui::test]
4991    async fn test_escape_cancels_generation_from_editor_focus(cx: &mut TestAppContext) {
4992        init_test(cx);
4993
4994        let (setup, cx) = setup_generating_thread(cx).await;
4995
4996        let editor_focus_handle = setup
4997            .message_editor
4998            .read_with(cx, |editor, cx| editor.focus_handle(cx));
4999        cx.update(|window, cx| {
5000            window.focus(&editor_focus_handle, cx);
5001        });
5002
5003        setup.message_editor.update_in(cx, |_, window, cx| {
5004            window.dispatch_action(editor::actions::Cancel.boxed_clone(), cx);
5005        });
5006
5007        cx.run_until_parked();
5008
5009        setup.thread.read_with(cx, |thread, _cx| {
5010            assert_eq!(thread.status(), ThreadStatus::Idle);
5011        });
5012    }
5013
5014    #[gpui::test]
5015    async fn test_escape_when_idle_is_noop(cx: &mut TestAppContext) {
5016        init_test(cx);
5017
5018        let (thread_view, cx) =
5019            setup_thread_view(StubAgentServer::new(StubAgentConnection::new()), cx).await;
5020        add_to_workspace(thread_view.clone(), cx);
5021
5022        let thread = thread_view.read_with(cx, |view, cx| {
5023            view.active_thread().unwrap().read(cx).thread.clone()
5024        });
5025
5026        thread.read_with(cx, |thread, _cx| {
5027            assert_eq!(thread.status(), ThreadStatus::Idle);
5028        });
5029
5030        let focus_handle = thread_view.read_with(cx, |view, _cx| view.focus_handle.clone());
5031        cx.update(|window, cx| {
5032            window.focus(&focus_handle, cx);
5033        });
5034
5035        thread_view.update_in(cx, |_, window, cx| {
5036            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5037        });
5038
5039        cx.run_until_parked();
5040
5041        thread.read_with(cx, |thread, _cx| {
5042            assert_eq!(thread.status(), ThreadStatus::Idle);
5043        });
5044    }
5045
5046    #[gpui::test]
5047    async fn test_interrupt(cx: &mut TestAppContext) {
5048        init_test(cx);
5049
5050        let connection = StubAgentConnection::new();
5051
5052        let (thread_view, cx) =
5053            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
5054        add_to_workspace(thread_view.clone(), cx);
5055
5056        let message_editor = message_editor(&thread_view, cx);
5057        message_editor.update_in(cx, |editor, window, cx| {
5058            editor.set_text("Message 1", window, cx);
5059        });
5060        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5061
5062        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
5063            let thread = view.active_thread().unwrap().read(cx).thread.clone();
5064
5065            (thread.clone(), thread.read(cx).session_id().clone())
5066        });
5067
5068        cx.run_until_parked();
5069
5070        cx.update(|_, cx| {
5071            connection.send_update(
5072                session_id.clone(),
5073                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5074                    "Message 1 resp".into(),
5075                )),
5076                cx,
5077            );
5078        });
5079
5080        cx.run_until_parked();
5081
5082        thread.read_with(cx, |thread, cx| {
5083            assert_eq!(
5084                thread.to_markdown(cx),
5085                indoc::indoc! {"
5086                        ## User
5087
5088                        Message 1
5089
5090                        ## Assistant
5091
5092                        Message 1 resp
5093
5094                    "}
5095            )
5096        });
5097
5098        message_editor.update_in(cx, |editor, window, cx| {
5099            editor.set_text("Message 2", window, cx);
5100        });
5101        active_thread(&thread_view, cx)
5102            .update_in(cx, |view, window, cx| view.interrupt_and_send(window, cx));
5103
5104        cx.update(|_, cx| {
5105            // Simulate a response sent after beginning to cancel
5106            connection.send_update(
5107                session_id.clone(),
5108                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
5109                cx,
5110            );
5111        });
5112
5113        cx.run_until_parked();
5114
5115        // Last Message 1 response should appear before Message 2
5116        thread.read_with(cx, |thread, cx| {
5117            assert_eq!(
5118                thread.to_markdown(cx),
5119                indoc::indoc! {"
5120                        ## User
5121
5122                        Message 1
5123
5124                        ## Assistant
5125
5126                        Message 1 response
5127
5128                        ## User
5129
5130                        Message 2
5131
5132                    "}
5133            )
5134        });
5135
5136        cx.update(|_, cx| {
5137            connection.send_update(
5138                session_id.clone(),
5139                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5140                    "Message 2 response".into(),
5141                )),
5142                cx,
5143            );
5144            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5145        });
5146
5147        cx.run_until_parked();
5148
5149        thread.read_with(cx, |thread, cx| {
5150            assert_eq!(
5151                thread.to_markdown(cx),
5152                indoc::indoc! {"
5153                        ## User
5154
5155                        Message 1
5156
5157                        ## Assistant
5158
5159                        Message 1 response
5160
5161                        ## User
5162
5163                        Message 2
5164
5165                        ## Assistant
5166
5167                        Message 2 response
5168
5169                    "}
5170            )
5171        });
5172    }
5173
5174    #[gpui::test]
5175    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
5176        init_test(cx);
5177
5178        let connection = StubAgentConnection::new();
5179        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5180            acp::ContentChunk::new("Response".into()),
5181        )]);
5182
5183        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5184        add_to_workspace(thread_view.clone(), cx);
5185
5186        let message_editor = message_editor(&thread_view, cx);
5187        message_editor.update_in(cx, |editor, window, cx| {
5188            editor.set_text("Original message to edit", window, cx)
5189        });
5190        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5191        cx.run_until_parked();
5192
5193        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
5194            thread_view
5195                .active_thread()
5196                .map(|active| &active.read(cx).entry_view_state)
5197                .as_ref()
5198                .unwrap()
5199                .read(cx)
5200                .entry(0)
5201                .expect("Should have at least one entry")
5202                .message_editor()
5203                .expect("Should have message editor")
5204                .clone()
5205        });
5206
5207        cx.focus(&user_message_editor);
5208        thread_view.read_with(cx, |view, cx| {
5209            assert_eq!(
5210                view.active_thread()
5211                    .and_then(|active| active.read(cx).editing_message),
5212                Some(0)
5213            );
5214        });
5215
5216        // Ensure to edit the focused message before proceeding otherwise, since
5217        // its content is not different from what was sent, focus will be lost.
5218        user_message_editor.update_in(cx, |editor, window, cx| {
5219            editor.set_text("Original message to edit with ", window, cx)
5220        });
5221
5222        // Create a simple buffer with some text so we can create a selection
5223        // that will then be added to the message being edited.
5224        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
5225            (thread_view.workspace.clone(), thread_view.project.clone())
5226        });
5227        let buffer = project.update(cx, |project, cx| {
5228            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5229        });
5230
5231        workspace
5232            .update_in(cx, |workspace, window, cx| {
5233                let editor = cx.new(|cx| {
5234                    let mut editor =
5235                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5236
5237                    editor.change_selections(Default::default(), window, cx, |selections| {
5238                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5239                    });
5240
5241                    editor
5242                });
5243                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5244            })
5245            .unwrap();
5246
5247        thread_view.update_in(cx, |view, window, cx| {
5248            assert_eq!(
5249                view.active_thread()
5250                    .and_then(|active| active.read(cx).editing_message),
5251                Some(0)
5252            );
5253            view.insert_selections(window, cx);
5254        });
5255
5256        user_message_editor.read_with(cx, |editor, cx| {
5257            let text = editor.editor().read(cx).text(cx);
5258            let expected_text = String::from("Original message to edit with selection ");
5259
5260            assert_eq!(text, expected_text);
5261        });
5262    }
5263
5264    #[gpui::test]
5265    async fn test_insert_selections(cx: &mut TestAppContext) {
5266        init_test(cx);
5267
5268        let connection = StubAgentConnection::new();
5269        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5270            acp::ContentChunk::new("Response".into()),
5271        )]);
5272
5273        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5274        add_to_workspace(thread_view.clone(), cx);
5275
5276        let message_editor = message_editor(&thread_view, cx);
5277        message_editor.update_in(cx, |editor, window, cx| {
5278            editor.set_text("Can you review this snippet ", window, cx)
5279        });
5280
5281        // Create a simple buffer with some text so we can create a selection
5282        // that will then be added to the message being edited.
5283        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
5284            (thread_view.workspace.clone(), thread_view.project.clone())
5285        });
5286        let buffer = project.update(cx, |project, cx| {
5287            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5288        });
5289
5290        workspace
5291            .update_in(cx, |workspace, window, cx| {
5292                let editor = cx.new(|cx| {
5293                    let mut editor =
5294                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5295
5296                    editor.change_selections(Default::default(), window, cx, |selections| {
5297                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5298                    });
5299
5300                    editor
5301                });
5302                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5303            })
5304            .unwrap();
5305
5306        thread_view.update_in(cx, |view, window, cx| {
5307            assert_eq!(
5308                view.active_thread()
5309                    .and_then(|active| active.read(cx).editing_message),
5310                None
5311            );
5312            view.insert_selections(window, cx);
5313        });
5314
5315        message_editor.read_with(cx, |editor, cx| {
5316            let text = editor.text(cx);
5317            let expected_txt = String::from("Can you review this snippet selection ");
5318
5319            assert_eq!(text, expected_txt);
5320        })
5321    }
5322
5323    #[gpui::test]
5324    async fn test_tool_permission_buttons_terminal_with_pattern(cx: &mut TestAppContext) {
5325        init_test(cx);
5326
5327        let tool_call_id = acp::ToolCallId::new("terminal-1");
5328        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `cargo build --release`")
5329            .kind(acp::ToolKind::Edit);
5330
5331        let permission_options = ToolPermissionContext::new(
5332            TerminalTool::NAME,
5333            vec!["cargo build --release".to_string()],
5334        )
5335        .build_permission_options();
5336
5337        let connection =
5338            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5339                tool_call_id.clone(),
5340                permission_options,
5341            )]));
5342
5343        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5344
5345        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5346
5347        // Disable notifications to avoid popup windows
5348        cx.update(|_window, cx| {
5349            AgentSettings::override_global(
5350                AgentSettings {
5351                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5352                    ..AgentSettings::get_global(cx).clone()
5353                },
5354                cx,
5355            );
5356        });
5357
5358        let message_editor = message_editor(&thread_view, cx);
5359        message_editor.update_in(cx, |editor, window, cx| {
5360            editor.set_text("Run cargo build", window, cx);
5361        });
5362
5363        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5364
5365        cx.run_until_parked();
5366
5367        // Verify the tool call is in WaitingForConfirmation state with the expected options
5368        thread_view.read_with(cx, |thread_view, cx| {
5369            let thread = thread_view
5370                .active_thread()
5371                .expect("Thread should exist")
5372                .read(cx)
5373                .thread
5374                .clone();
5375            let thread = thread.read(cx);
5376
5377            let tool_call = thread.entries().iter().find_map(|entry| {
5378                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5379                    Some(call)
5380                } else {
5381                    None
5382                }
5383            });
5384
5385            assert!(tool_call.is_some(), "Expected a tool call entry");
5386            let tool_call = tool_call.unwrap();
5387
5388            // Verify it's waiting for confirmation
5389            assert!(
5390                matches!(
5391                    tool_call.status,
5392                    acp_thread::ToolCallStatus::WaitingForConfirmation { .. }
5393                ),
5394                "Expected WaitingForConfirmation status, got {:?}",
5395                tool_call.status
5396            );
5397
5398            // Verify the options count (granularity options only, no separate Deny option)
5399            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5400                &tool_call.status
5401            {
5402                let PermissionOptions::Dropdown(choices) = options else {
5403                    panic!("Expected dropdown permission options");
5404                };
5405
5406                assert_eq!(
5407                    choices.len(),
5408                    3,
5409                    "Expected 3 permission options (granularity only)"
5410                );
5411
5412                // Verify specific button labels (now using neutral names)
5413                let labels: Vec<&str> = choices
5414                    .iter()
5415                    .map(|choice| choice.allow.name.as_ref())
5416                    .collect();
5417                assert!(
5418                    labels.contains(&"Always for terminal"),
5419                    "Missing 'Always for terminal' option"
5420                );
5421                assert!(
5422                    labels.contains(&"Always for `cargo build` commands"),
5423                    "Missing pattern option"
5424                );
5425                assert!(
5426                    labels.contains(&"Only this time"),
5427                    "Missing 'Only this time' option"
5428                );
5429            }
5430        });
5431    }
5432
5433    #[gpui::test]
5434    async fn test_tool_permission_buttons_edit_file_with_path_pattern(cx: &mut TestAppContext) {
5435        init_test(cx);
5436
5437        let tool_call_id = acp::ToolCallId::new("edit-file-1");
5438        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Edit `src/main.rs`")
5439            .kind(acp::ToolKind::Edit);
5440
5441        let permission_options =
5442            ToolPermissionContext::new(EditFileTool::NAME, vec!["src/main.rs".to_string()])
5443                .build_permission_options();
5444
5445        let connection =
5446            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5447                tool_call_id.clone(),
5448                permission_options,
5449            )]));
5450
5451        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5452
5453        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5454
5455        // Disable notifications
5456        cx.update(|_window, cx| {
5457            AgentSettings::override_global(
5458                AgentSettings {
5459                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5460                    ..AgentSettings::get_global(cx).clone()
5461                },
5462                cx,
5463            );
5464        });
5465
5466        let message_editor = message_editor(&thread_view, cx);
5467        message_editor.update_in(cx, |editor, window, cx| {
5468            editor.set_text("Edit the main file", window, cx);
5469        });
5470
5471        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5472
5473        cx.run_until_parked();
5474
5475        // Verify the options
5476        thread_view.read_with(cx, |thread_view, cx| {
5477            let thread = thread_view
5478                .active_thread()
5479                .expect("Thread should exist")
5480                .read(cx)
5481                .thread
5482                .clone();
5483            let thread = thread.read(cx);
5484
5485            let tool_call = thread.entries().iter().find_map(|entry| {
5486                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5487                    Some(call)
5488                } else {
5489                    None
5490                }
5491            });
5492
5493            assert!(tool_call.is_some(), "Expected a tool call entry");
5494            let tool_call = tool_call.unwrap();
5495
5496            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5497                &tool_call.status
5498            {
5499                let PermissionOptions::Dropdown(choices) = options else {
5500                    panic!("Expected dropdown permission options");
5501                };
5502
5503                let labels: Vec<&str> = choices
5504                    .iter()
5505                    .map(|choice| choice.allow.name.as_ref())
5506                    .collect();
5507                assert!(
5508                    labels.contains(&"Always for edit file"),
5509                    "Missing 'Always for edit file' option"
5510                );
5511                assert!(
5512                    labels.contains(&"Always for `src/`"),
5513                    "Missing path pattern option"
5514                );
5515            } else {
5516                panic!("Expected WaitingForConfirmation status");
5517            }
5518        });
5519    }
5520
5521    #[gpui::test]
5522    async fn test_tool_permission_buttons_fetch_with_domain_pattern(cx: &mut TestAppContext) {
5523        init_test(cx);
5524
5525        let tool_call_id = acp::ToolCallId::new("fetch-1");
5526        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Fetch `https://docs.rs/gpui`")
5527            .kind(acp::ToolKind::Fetch);
5528
5529        let permission_options =
5530            ToolPermissionContext::new(FetchTool::NAME, vec!["https://docs.rs/gpui".to_string()])
5531                .build_permission_options();
5532
5533        let connection =
5534            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5535                tool_call_id.clone(),
5536                permission_options,
5537            )]));
5538
5539        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5540
5541        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5542
5543        // Disable notifications
5544        cx.update(|_window, cx| {
5545            AgentSettings::override_global(
5546                AgentSettings {
5547                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5548                    ..AgentSettings::get_global(cx).clone()
5549                },
5550                cx,
5551            );
5552        });
5553
5554        let message_editor = message_editor(&thread_view, cx);
5555        message_editor.update_in(cx, |editor, window, cx| {
5556            editor.set_text("Fetch the docs", window, cx);
5557        });
5558
5559        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5560
5561        cx.run_until_parked();
5562
5563        // Verify the options
5564        thread_view.read_with(cx, |thread_view, cx| {
5565            let thread = thread_view
5566                .active_thread()
5567                .expect("Thread should exist")
5568                .read(cx)
5569                .thread
5570                .clone();
5571            let thread = thread.read(cx);
5572
5573            let tool_call = thread.entries().iter().find_map(|entry| {
5574                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5575                    Some(call)
5576                } else {
5577                    None
5578                }
5579            });
5580
5581            assert!(tool_call.is_some(), "Expected a tool call entry");
5582            let tool_call = tool_call.unwrap();
5583
5584            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5585                &tool_call.status
5586            {
5587                let PermissionOptions::Dropdown(choices) = options else {
5588                    panic!("Expected dropdown permission options");
5589                };
5590
5591                let labels: Vec<&str> = choices
5592                    .iter()
5593                    .map(|choice| choice.allow.name.as_ref())
5594                    .collect();
5595                assert!(
5596                    labels.contains(&"Always for fetch"),
5597                    "Missing 'Always for fetch' option"
5598                );
5599                assert!(
5600                    labels.contains(&"Always for `docs.rs`"),
5601                    "Missing domain pattern option"
5602                );
5603            } else {
5604                panic!("Expected WaitingForConfirmation status");
5605            }
5606        });
5607    }
5608
5609    #[gpui::test]
5610    async fn test_tool_permission_buttons_without_pattern(cx: &mut TestAppContext) {
5611        init_test(cx);
5612
5613        let tool_call_id = acp::ToolCallId::new("terminal-no-pattern-1");
5614        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `./deploy.sh --production`")
5615            .kind(acp::ToolKind::Edit);
5616
5617        // No pattern button since ./deploy.sh doesn't match the alphanumeric pattern
5618        let permission_options = ToolPermissionContext::new(
5619            TerminalTool::NAME,
5620            vec!["./deploy.sh --production".to_string()],
5621        )
5622        .build_permission_options();
5623
5624        let connection =
5625            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5626                tool_call_id.clone(),
5627                permission_options,
5628            )]));
5629
5630        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5631
5632        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5633
5634        // Disable notifications
5635        cx.update(|_window, cx| {
5636            AgentSettings::override_global(
5637                AgentSettings {
5638                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5639                    ..AgentSettings::get_global(cx).clone()
5640                },
5641                cx,
5642            );
5643        });
5644
5645        let message_editor = message_editor(&thread_view, cx);
5646        message_editor.update_in(cx, |editor, window, cx| {
5647            editor.set_text("Run the deploy script", window, cx);
5648        });
5649
5650        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5651
5652        cx.run_until_parked();
5653
5654        // Verify only 2 options (no pattern button when command doesn't match pattern)
5655        thread_view.read_with(cx, |thread_view, cx| {
5656            let thread = thread_view
5657                .active_thread()
5658                .expect("Thread should exist")
5659                .read(cx)
5660                .thread
5661                .clone();
5662            let thread = thread.read(cx);
5663
5664            let tool_call = thread.entries().iter().find_map(|entry| {
5665                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5666                    Some(call)
5667                } else {
5668                    None
5669                }
5670            });
5671
5672            assert!(tool_call.is_some(), "Expected a tool call entry");
5673            let tool_call = tool_call.unwrap();
5674
5675            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5676                &tool_call.status
5677            {
5678                let PermissionOptions::Dropdown(choices) = options else {
5679                    panic!("Expected dropdown permission options");
5680                };
5681
5682                assert_eq!(
5683                    choices.len(),
5684                    2,
5685                    "Expected 2 permission options (no pattern option)"
5686                );
5687
5688                let labels: Vec<&str> = choices
5689                    .iter()
5690                    .map(|choice| choice.allow.name.as_ref())
5691                    .collect();
5692                assert!(
5693                    labels.contains(&"Always for terminal"),
5694                    "Missing 'Always for terminal' option"
5695                );
5696                assert!(
5697                    labels.contains(&"Only this time"),
5698                    "Missing 'Only this time' option"
5699                );
5700                // Should NOT contain a pattern option
5701                assert!(
5702                    !labels.iter().any(|l| l.contains("commands")),
5703                    "Should not have pattern option"
5704                );
5705            } else {
5706                panic!("Expected WaitingForConfirmation status");
5707            }
5708        });
5709    }
5710
5711    #[gpui::test]
5712    async fn test_authorize_tool_call_action_triggers_authorization(cx: &mut TestAppContext) {
5713        init_test(cx);
5714
5715        let tool_call_id = acp::ToolCallId::new("action-test-1");
5716        let tool_call =
5717            acp::ToolCall::new(tool_call_id.clone(), "Run `cargo test`").kind(acp::ToolKind::Edit);
5718
5719        let permission_options =
5720            ToolPermissionContext::new(TerminalTool::NAME, vec!["cargo test".to_string()])
5721                .build_permission_options();
5722
5723        let connection =
5724            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5725                tool_call_id.clone(),
5726                permission_options,
5727            )]));
5728
5729        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5730
5731        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5732        add_to_workspace(thread_view.clone(), cx);
5733
5734        cx.update(|_window, cx| {
5735            AgentSettings::override_global(
5736                AgentSettings {
5737                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5738                    ..AgentSettings::get_global(cx).clone()
5739                },
5740                cx,
5741            );
5742        });
5743
5744        let message_editor = message_editor(&thread_view, cx);
5745        message_editor.update_in(cx, |editor, window, cx| {
5746            editor.set_text("Run tests", window, cx);
5747        });
5748
5749        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5750
5751        cx.run_until_parked();
5752
5753        // Verify tool call is waiting for confirmation
5754        thread_view.read_with(cx, |thread_view, cx| {
5755            let tool_call = thread_view.pending_tool_call(cx);
5756            assert!(
5757                tool_call.is_some(),
5758                "Expected a tool call waiting for confirmation"
5759            );
5760        });
5761
5762        // Dispatch the AuthorizeToolCall action (simulating dropdown menu selection)
5763        thread_view.update_in(cx, |_, window, cx| {
5764            window.dispatch_action(
5765                crate::AuthorizeToolCall {
5766                    tool_call_id: "action-test-1".to_string(),
5767                    option_id: "allow".to_string(),
5768                    option_kind: "AllowOnce".to_string(),
5769                }
5770                .boxed_clone(),
5771                cx,
5772            );
5773        });
5774
5775        cx.run_until_parked();
5776
5777        // Verify tool call is no longer waiting for confirmation (was authorized)
5778        thread_view.read_with(cx, |thread_view, cx| {
5779            let tool_call = thread_view.pending_tool_call(cx);
5780            assert!(
5781                tool_call.is_none(),
5782                "Tool call should no longer be waiting for confirmation after AuthorizeToolCall action"
5783            );
5784        });
5785    }
5786
5787    #[gpui::test]
5788    async fn test_authorize_tool_call_action_with_pattern_option(cx: &mut TestAppContext) {
5789        init_test(cx);
5790
5791        let tool_call_id = acp::ToolCallId::new("pattern-action-test-1");
5792        let tool_call =
5793            acp::ToolCall::new(tool_call_id.clone(), "Run `npm install`").kind(acp::ToolKind::Edit);
5794
5795        let permission_options =
5796            ToolPermissionContext::new(TerminalTool::NAME, vec!["npm install".to_string()])
5797                .build_permission_options();
5798
5799        let connection =
5800            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5801                tool_call_id.clone(),
5802                permission_options.clone(),
5803            )]));
5804
5805        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5806
5807        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5808        add_to_workspace(thread_view.clone(), cx);
5809
5810        cx.update(|_window, cx| {
5811            AgentSettings::override_global(
5812                AgentSettings {
5813                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5814                    ..AgentSettings::get_global(cx).clone()
5815                },
5816                cx,
5817            );
5818        });
5819
5820        let message_editor = message_editor(&thread_view, cx);
5821        message_editor.update_in(cx, |editor, window, cx| {
5822            editor.set_text("Install dependencies", window, cx);
5823        });
5824
5825        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5826
5827        cx.run_until_parked();
5828
5829        // Find the pattern option ID
5830        let pattern_option = match &permission_options {
5831            PermissionOptions::Dropdown(choices) => choices
5832                .iter()
5833                .find(|choice| {
5834                    choice
5835                        .allow
5836                        .option_id
5837                        .0
5838                        .starts_with("always_allow_pattern:")
5839                })
5840                .map(|choice| &choice.allow)
5841                .expect("Should have a pattern option for npm command"),
5842            _ => panic!("Expected dropdown permission options"),
5843        };
5844
5845        // Dispatch action with the pattern option (simulating "Always allow `npm` commands")
5846        thread_view.update_in(cx, |_, window, cx| {
5847            window.dispatch_action(
5848                crate::AuthorizeToolCall {
5849                    tool_call_id: "pattern-action-test-1".to_string(),
5850                    option_id: pattern_option.option_id.0.to_string(),
5851                    option_kind: "AllowAlways".to_string(),
5852                }
5853                .boxed_clone(),
5854                cx,
5855            );
5856        });
5857
5858        cx.run_until_parked();
5859
5860        // Verify tool call was authorized
5861        thread_view.read_with(cx, |thread_view, cx| {
5862            let tool_call = thread_view.pending_tool_call(cx);
5863            assert!(
5864                tool_call.is_none(),
5865                "Tool call should be authorized after selecting pattern option"
5866            );
5867        });
5868    }
5869
5870    #[gpui::test]
5871    async fn test_deny_button_uses_selected_granularity(cx: &mut TestAppContext) {
5872        init_test(cx);
5873
5874        let tool_call_id = acp::ToolCallId::new("deny-granularity-test-1");
5875        let tool_call =
5876            acp::ToolCall::new(tool_call_id.clone(), "Run `git push`").kind(acp::ToolKind::Edit);
5877
5878        let permission_options =
5879            ToolPermissionContext::new(TerminalTool::NAME, vec!["git push".to_string()])
5880                .build_permission_options();
5881
5882        let connection =
5883            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5884                tool_call_id.clone(),
5885                permission_options.clone(),
5886            )]));
5887
5888        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5889
5890        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5891        add_to_workspace(thread_view.clone(), cx);
5892
5893        cx.update(|_window, cx| {
5894            AgentSettings::override_global(
5895                AgentSettings {
5896                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5897                    ..AgentSettings::get_global(cx).clone()
5898                },
5899                cx,
5900            );
5901        });
5902
5903        let message_editor = message_editor(&thread_view, cx);
5904        message_editor.update_in(cx, |editor, window, cx| {
5905            editor.set_text("Push changes", window, cx);
5906        });
5907
5908        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
5909
5910        cx.run_until_parked();
5911
5912        // Use default granularity (last option = "Only this time")
5913        // Simulate clicking the Deny button
5914        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| {
5915            view.reject_once(&RejectOnce, window, cx)
5916        });
5917
5918        cx.run_until_parked();
5919
5920        // Verify tool call was rejected (no longer waiting for confirmation)
5921        thread_view.read_with(cx, |thread_view, cx| {
5922            let tool_call = thread_view.pending_tool_call(cx);
5923            assert!(
5924                tool_call.is_none(),
5925                "Tool call should be rejected after Deny"
5926            );
5927        });
5928    }
5929
5930    #[gpui::test]
5931    async fn test_option_id_transformation_for_allow() {
5932        let permission_options = ToolPermissionContext::new(
5933            TerminalTool::NAME,
5934            vec!["cargo build --release".to_string()],
5935        )
5936        .build_permission_options();
5937
5938        let PermissionOptions::Dropdown(choices) = permission_options else {
5939            panic!("Expected dropdown permission options");
5940        };
5941
5942        let allow_ids: Vec<String> = choices
5943            .iter()
5944            .map(|choice| choice.allow.option_id.0.to_string())
5945            .collect();
5946
5947        assert!(allow_ids.contains(&"always_allow:terminal".to_string()));
5948        assert!(allow_ids.contains(&"allow".to_string()));
5949        assert!(
5950            allow_ids
5951                .iter()
5952                .any(|id| id.starts_with("always_allow_pattern:terminal\n")),
5953            "Missing allow pattern option"
5954        );
5955    }
5956
5957    #[gpui::test]
5958    async fn test_option_id_transformation_for_deny() {
5959        let permission_options = ToolPermissionContext::new(
5960            TerminalTool::NAME,
5961            vec!["cargo build --release".to_string()],
5962        )
5963        .build_permission_options();
5964
5965        let PermissionOptions::Dropdown(choices) = permission_options else {
5966            panic!("Expected dropdown permission options");
5967        };
5968
5969        let deny_ids: Vec<String> = choices
5970            .iter()
5971            .map(|choice| choice.deny.option_id.0.to_string())
5972            .collect();
5973
5974        assert!(deny_ids.contains(&"always_deny:terminal".to_string()));
5975        assert!(deny_ids.contains(&"deny".to_string()));
5976        assert!(
5977            deny_ids
5978                .iter()
5979                .any(|id| id.starts_with("always_deny_pattern:terminal\n")),
5980            "Missing deny pattern option"
5981        );
5982    }
5983
5984    #[gpui::test]
5985    async fn test_manually_editing_title_updates_acp_thread_title(cx: &mut TestAppContext) {
5986        init_test(cx);
5987
5988        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5989        add_to_workspace(thread_view.clone(), cx);
5990
5991        let active = active_thread(&thread_view, cx);
5992        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
5993        let thread = cx.read(|cx| active.read(cx).thread.clone());
5994
5995        title_editor.read_with(cx, |editor, cx| {
5996            assert!(!editor.read_only(cx));
5997        });
5998
5999        cx.focus(&thread_view);
6000        cx.focus(&title_editor);
6001
6002        cx.dispatch_action(editor::actions::DeleteLine);
6003        cx.simulate_input("My Custom Title");
6004
6005        cx.run_until_parked();
6006
6007        title_editor.read_with(cx, |editor, cx| {
6008            assert_eq!(editor.text(cx), "My Custom Title");
6009        });
6010        thread.read_with(cx, |thread, _cx| {
6011            assert_eq!(thread.title().as_ref(), "My Custom Title");
6012        });
6013    }
6014
6015    #[gpui::test]
6016    async fn test_title_editor_is_read_only_when_set_title_unsupported(cx: &mut TestAppContext) {
6017        init_test(cx);
6018
6019        let (thread_view, cx) =
6020            setup_thread_view(StubAgentServer::new(ResumeOnlyAgentConnection), cx).await;
6021
6022        let active = active_thread(&thread_view, cx);
6023        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6024
6025        title_editor.read_with(cx, |editor, cx| {
6026            assert!(
6027                editor.read_only(cx),
6028                "Title editor should be read-only when the connection does not support set_title"
6029            );
6030        });
6031    }
6032
6033    #[gpui::test]
6034    async fn test_max_tokens_error_is_rendered(cx: &mut TestAppContext) {
6035        init_test(cx);
6036
6037        let connection = StubAgentConnection::new();
6038
6039        let (thread_view, cx) =
6040            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6041
6042        let message_editor = message_editor(&thread_view, cx);
6043        message_editor.update_in(cx, |editor, window, cx| {
6044            editor.set_text("Some prompt", window, cx);
6045        });
6046        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
6047
6048        let session_id = thread_view.read_with(cx, |view, cx| {
6049            view.active_thread()
6050                .unwrap()
6051                .read(cx)
6052                .thread
6053                .read(cx)
6054                .session_id()
6055                .clone()
6056        });
6057
6058        cx.run_until_parked();
6059
6060        cx.update(|_, _cx| {
6061            connection.end_turn(session_id, acp::StopReason::MaxTokens);
6062        });
6063
6064        cx.run_until_parked();
6065
6066        thread_view.read_with(cx, |thread_view, cx| {
6067            let state = thread_view.active_thread().unwrap();
6068            let error = &state.read(cx).thread_error;
6069            match error {
6070                Some(ThreadError::Other { message, .. }) => {
6071                    assert!(
6072                        message.contains("Max tokens reached"),
6073                        "Expected 'Max tokens reached' error, got: {}",
6074                        message
6075                    );
6076                }
6077                other => panic!(
6078                    "Expected ThreadError::Other with 'Max tokens reached', got: {:?}",
6079                    other.is_some()
6080                ),
6081            }
6082        });
6083    }
6084
6085    fn create_test_acp_thread(
6086        parent_session_id: Option<acp::SessionId>,
6087        session_id: &str,
6088        connection: Rc<dyn AgentConnection>,
6089        project: Entity<Project>,
6090        cx: &mut App,
6091    ) -> Entity<AcpThread> {
6092        let action_log = cx.new(|_| ActionLog::new(project.clone()));
6093        cx.new(|cx| {
6094            AcpThread::new(
6095                parent_session_id,
6096                "Test Thread",
6097                None,
6098                connection,
6099                project,
6100                action_log,
6101                acp::SessionId::new(session_id),
6102                watch::Receiver::constant(acp::PromptCapabilities::new()),
6103                cx,
6104            )
6105        })
6106    }
6107
6108    fn request_test_tool_authorization(
6109        thread: &Entity<AcpThread>,
6110        tool_call_id: &str,
6111        option_id: &str,
6112        cx: &mut TestAppContext,
6113    ) -> Task<acp::RequestPermissionOutcome> {
6114        let tool_call_id = acp::ToolCallId::new(tool_call_id);
6115        let label = format!("Tool {tool_call_id}");
6116        let option_id = acp::PermissionOptionId::new(option_id);
6117        cx.update(|cx| {
6118            thread.update(cx, |thread, cx| {
6119                thread
6120                    .request_tool_call_authorization(
6121                        acp::ToolCall::new(tool_call_id, label)
6122                            .kind(acp::ToolKind::Edit)
6123                            .into(),
6124                        PermissionOptions::Flat(vec![acp::PermissionOption::new(
6125                            option_id,
6126                            "Allow",
6127                            acp::PermissionOptionKind::AllowOnce,
6128                        )]),
6129                        cx,
6130                    )
6131                    .unwrap()
6132            })
6133        })
6134    }
6135
6136    #[gpui::test]
6137    async fn test_conversation_multiple_tool_calls_fifo_ordering(cx: &mut TestAppContext) {
6138        init_test(cx);
6139
6140        let fs = FakeFs::new(cx.executor());
6141        let project = Project::test(fs, [], cx).await;
6142        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6143
6144        let (thread, conversation) = cx.update(|cx| {
6145            let thread =
6146                create_test_acp_thread(None, "session-1", connection.clone(), project.clone(), cx);
6147            let conversation = cx.new(|cx| {
6148                let mut conversation = Conversation::default();
6149                conversation.register_thread(thread.clone(), cx);
6150                conversation
6151            });
6152            (thread, conversation)
6153        });
6154
6155        let _task1 = request_test_tool_authorization(&thread, "tc-1", "allow-1", cx);
6156        let _task2 = request_test_tool_authorization(&thread, "tc-2", "allow-2", cx);
6157
6158        cx.read(|cx| {
6159            let session_id = acp::SessionId::new("session-1");
6160            let (_, tool_call_id, _) = conversation
6161                .read(cx)
6162                .pending_tool_call(&session_id, cx)
6163                .expect("Expected a pending tool call");
6164            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-1"));
6165        });
6166
6167        cx.update(|cx| {
6168            conversation.update(cx, |conversation, cx| {
6169                conversation.authorize_tool_call(
6170                    acp::SessionId::new("session-1"),
6171                    acp::ToolCallId::new("tc-1"),
6172                    acp::PermissionOptionId::new("allow-1"),
6173                    acp::PermissionOptionKind::AllowOnce,
6174                    cx,
6175                );
6176            });
6177        });
6178
6179        cx.run_until_parked();
6180
6181        cx.read(|cx| {
6182            let session_id = acp::SessionId::new("session-1");
6183            let (_, tool_call_id, _) = conversation
6184                .read(cx)
6185                .pending_tool_call(&session_id, cx)
6186                .expect("Expected tc-2 to be pending after tc-1 was authorized");
6187            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-2"));
6188        });
6189
6190        cx.update(|cx| {
6191            conversation.update(cx, |conversation, cx| {
6192                conversation.authorize_tool_call(
6193                    acp::SessionId::new("session-1"),
6194                    acp::ToolCallId::new("tc-2"),
6195                    acp::PermissionOptionId::new("allow-2"),
6196                    acp::PermissionOptionKind::AllowOnce,
6197                    cx,
6198                );
6199            });
6200        });
6201
6202        cx.run_until_parked();
6203
6204        cx.read(|cx| {
6205            let session_id = acp::SessionId::new("session-1");
6206            assert!(
6207                conversation
6208                    .read(cx)
6209                    .pending_tool_call(&session_id, cx)
6210                    .is_none(),
6211                "Expected no pending tool calls after both were authorized"
6212            );
6213        });
6214    }
6215
6216    #[gpui::test]
6217    async fn test_conversation_subagent_scoped_pending_tool_call(cx: &mut TestAppContext) {
6218        init_test(cx);
6219
6220        let fs = FakeFs::new(cx.executor());
6221        let project = Project::test(fs, [], cx).await;
6222        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6223
6224        let (parent_thread, subagent_thread, conversation) = cx.update(|cx| {
6225            let parent_thread =
6226                create_test_acp_thread(None, "parent", connection.clone(), project.clone(), cx);
6227            let subagent_thread = create_test_acp_thread(
6228                Some(acp::SessionId::new("parent")),
6229                "subagent",
6230                connection.clone(),
6231                project.clone(),
6232                cx,
6233            );
6234            let conversation = cx.new(|cx| {
6235                let mut conversation = Conversation::default();
6236                conversation.register_thread(parent_thread.clone(), cx);
6237                conversation.register_thread(subagent_thread.clone(), cx);
6238                conversation
6239            });
6240            (parent_thread, subagent_thread, conversation)
6241        });
6242
6243        let _parent_task =
6244            request_test_tool_authorization(&parent_thread, "parent-tc", "allow-parent", cx);
6245        let _subagent_task =
6246            request_test_tool_authorization(&subagent_thread, "subagent-tc", "allow-subagent", cx);
6247
6248        // Querying with the subagent's session ID returns only the
6249        // subagent's own tool call (subagent path is scoped to its session)
6250        cx.read(|cx| {
6251            let subagent_id = acp::SessionId::new("subagent");
6252            let (session_id, tool_call_id, _) = conversation
6253                .read(cx)
6254                .pending_tool_call(&subagent_id, cx)
6255                .expect("Expected subagent's pending tool call");
6256            assert_eq!(session_id, acp::SessionId::new("subagent"));
6257            assert_eq!(tool_call_id, acp::ToolCallId::new("subagent-tc"));
6258        });
6259
6260        // Querying with the parent's session ID returns the first pending
6261        // request in FIFO order across all sessions
6262        cx.read(|cx| {
6263            let parent_id = acp::SessionId::new("parent");
6264            let (session_id, tool_call_id, _) = conversation
6265                .read(cx)
6266                .pending_tool_call(&parent_id, cx)
6267                .expect("Expected a pending tool call from parent query");
6268            assert_eq!(session_id, acp::SessionId::new("parent"));
6269            assert_eq!(tool_call_id, acp::ToolCallId::new("parent-tc"));
6270        });
6271    }
6272
6273    #[gpui::test]
6274    async fn test_conversation_parent_pending_tool_call_returns_first_across_threads(
6275        cx: &mut TestAppContext,
6276    ) {
6277        init_test(cx);
6278
6279        let fs = FakeFs::new(cx.executor());
6280        let project = Project::test(fs, [], cx).await;
6281        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6282
6283        let (thread_a, thread_b, conversation) = cx.update(|cx| {
6284            let thread_a =
6285                create_test_acp_thread(None, "thread-a", connection.clone(), project.clone(), cx);
6286            let thread_b =
6287                create_test_acp_thread(None, "thread-b", connection.clone(), project.clone(), cx);
6288            let conversation = cx.new(|cx| {
6289                let mut conversation = Conversation::default();
6290                conversation.register_thread(thread_a.clone(), cx);
6291                conversation.register_thread(thread_b.clone(), cx);
6292                conversation
6293            });
6294            (thread_a, thread_b, conversation)
6295        });
6296
6297        let _task_a = request_test_tool_authorization(&thread_a, "tc-a", "allow-a", cx);
6298        let _task_b = request_test_tool_authorization(&thread_b, "tc-b", "allow-b", cx);
6299
6300        // Both threads are non-subagent, so pending_tool_call always returns
6301        // the first entry from permission_requests (FIFO across all sessions)
6302        cx.read(|cx| {
6303            let session_a = acp::SessionId::new("thread-a");
6304            let (session_id, tool_call_id, _) = conversation
6305                .read(cx)
6306                .pending_tool_call(&session_a, cx)
6307                .expect("Expected a pending tool call");
6308            assert_eq!(session_id, acp::SessionId::new("thread-a"));
6309            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
6310        });
6311
6312        // Querying with thread-b also returns thread-a's tool call,
6313        // because non-subagent queries always use permission_requests.first()
6314        cx.read(|cx| {
6315            let session_b = acp::SessionId::new("thread-b");
6316            let (session_id, tool_call_id, _) = conversation
6317                .read(cx)
6318                .pending_tool_call(&session_b, cx)
6319                .expect("Expected a pending tool call from thread-b query");
6320            assert_eq!(
6321                session_id,
6322                acp::SessionId::new("thread-a"),
6323                "Non-subagent queries always return the first pending request in FIFO order"
6324            );
6325            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
6326        });
6327
6328        // After authorizing thread-a's tool call, thread-b's becomes first
6329        cx.update(|cx| {
6330            conversation.update(cx, |conversation, cx| {
6331                conversation.authorize_tool_call(
6332                    acp::SessionId::new("thread-a"),
6333                    acp::ToolCallId::new("tc-a"),
6334                    acp::PermissionOptionId::new("allow-a"),
6335                    acp::PermissionOptionKind::AllowOnce,
6336                    cx,
6337                );
6338            });
6339        });
6340
6341        cx.run_until_parked();
6342
6343        cx.read(|cx| {
6344            let session_b = acp::SessionId::new("thread-b");
6345            let (session_id, tool_call_id, _) = conversation
6346                .read(cx)
6347                .pending_tool_call(&session_b, cx)
6348                .expect("Expected thread-b's tool call after thread-a's was authorized");
6349            assert_eq!(session_id, acp::SessionId::new("thread-b"));
6350            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-b"));
6351        });
6352    }
6353
6354    #[gpui::test]
6355    async fn test_move_queued_message_to_empty_main_editor(cx: &mut TestAppContext) {
6356        init_test(cx);
6357
6358        let (connection_view, cx) =
6359            setup_thread_view(StubAgentServer::default_response(), cx).await;
6360
6361        // Add a plain-text message to the queue directly.
6362        active_thread(&connection_view, cx).update_in(cx, |thread, window, cx| {
6363            thread.add_to_queue(
6364                vec![acp::ContentBlock::Text(acp::TextContent::new(
6365                    "queued message".to_string(),
6366                ))],
6367                vec![],
6368                cx,
6369            );
6370            // Main editor must be empty for this path — it is by default, but
6371            // assert to make the precondition explicit.
6372            assert!(thread.message_editor.read(cx).is_empty(cx));
6373            thread.move_queued_message_to_main_editor(0, None, window, cx);
6374        });
6375
6376        cx.run_until_parked();
6377
6378        // Queue should now be empty.
6379        let queue_len = active_thread(&connection_view, cx)
6380            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
6381        assert_eq!(queue_len, 0, "Queue should be empty after move");
6382
6383        // Main editor should contain the queued message text.
6384        let text = message_editor(&connection_view, cx).update(cx, |editor, cx| editor.text(cx));
6385        assert_eq!(
6386            text, "queued message",
6387            "Main editor should contain the moved queued message"
6388        );
6389    }
6390
6391    #[gpui::test]
6392    async fn test_move_queued_message_to_non_empty_main_editor(cx: &mut TestAppContext) {
6393        init_test(cx);
6394
6395        let (connection_view, cx) =
6396            setup_thread_view(StubAgentServer::default_response(), cx).await;
6397
6398        // Seed the main editor with existing content.
6399        message_editor(&connection_view, cx).update_in(cx, |editor, window, cx| {
6400            editor.set_message(
6401                vec![acp::ContentBlock::Text(acp::TextContent::new(
6402                    "existing content".to_string(),
6403                ))],
6404                window,
6405                cx,
6406            );
6407        });
6408
6409        // Add a plain-text message to the queue.
6410        active_thread(&connection_view, cx).update_in(cx, |thread, window, cx| {
6411            thread.add_to_queue(
6412                vec![acp::ContentBlock::Text(acp::TextContent::new(
6413                    "queued message".to_string(),
6414                ))],
6415                vec![],
6416                cx,
6417            );
6418            thread.move_queued_message_to_main_editor(0, None, window, cx);
6419        });
6420
6421        cx.run_until_parked();
6422
6423        // Queue should now be empty.
6424        let queue_len = active_thread(&connection_view, cx)
6425            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
6426        assert_eq!(queue_len, 0, "Queue should be empty after move");
6427
6428        // Main editor should contain existing content + separator + queued content.
6429        let text = message_editor(&connection_view, cx).update(cx, |editor, cx| editor.text(cx));
6430        assert_eq!(
6431            text, "existing content\n\nqueued message",
6432            "Main editor should have existing content and queued message separated by two newlines"
6433        );
6434    }
6435
6436    #[gpui::test]
6437    async fn test_close_all_sessions_skips_when_unsupported(cx: &mut TestAppContext) {
6438        init_test(cx);
6439
6440        let fs = FakeFs::new(cx.executor());
6441        let project = Project::test(fs, [], cx).await;
6442        let (multi_workspace, cx) =
6443            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
6444        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
6445
6446        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
6447        let connection_store =
6448            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
6449
6450        // StubAgentConnection defaults to supports_close_session() -> false
6451        let thread_view = cx.update(|window, cx| {
6452            cx.new(|cx| {
6453                ConnectionView::new(
6454                    Rc::new(StubAgentServer::default_response()),
6455                    connection_store,
6456                    Agent::Custom { id: "Test".into() },
6457                    None,
6458                    None,
6459                    None,
6460                    None,
6461                    workspace.downgrade(),
6462                    project,
6463                    Some(thread_store),
6464                    None,
6465                    window,
6466                    cx,
6467                )
6468            })
6469        });
6470
6471        cx.run_until_parked();
6472
6473        thread_view.read_with(cx, |view, _cx| {
6474            let connected = view.as_connected().expect("Should be connected");
6475            assert!(
6476                !connected.threads.is_empty(),
6477                "There should be at least one thread"
6478            );
6479            assert!(
6480                !connected.connection.supports_close_session(),
6481                "StubAgentConnection should not support close"
6482            );
6483        });
6484
6485        thread_view
6486            .update(cx, |view, cx| {
6487                view.as_connected()
6488                    .expect("Should be connected")
6489                    .close_all_sessions(cx)
6490            })
6491            .await;
6492    }
6493
6494    #[gpui::test]
6495    async fn test_close_all_sessions_calls_close_when_supported(cx: &mut TestAppContext) {
6496        init_test(cx);
6497
6498        let (thread_view, cx) =
6499            setup_thread_view(StubAgentServer::new(CloseCapableConnection::new()), cx).await;
6500
6501        cx.run_until_parked();
6502
6503        let close_capable = thread_view.read_with(cx, |view, _cx| {
6504            let connected = view.as_connected().expect("Should be connected");
6505            assert!(
6506                !connected.threads.is_empty(),
6507                "There should be at least one thread"
6508            );
6509            assert!(
6510                connected.connection.supports_close_session(),
6511                "CloseCapableConnection should support close"
6512            );
6513            connected
6514                .connection
6515                .clone()
6516                .into_any()
6517                .downcast::<CloseCapableConnection>()
6518                .expect("Should be CloseCapableConnection")
6519        });
6520
6521        thread_view
6522            .update(cx, |view, cx| {
6523                view.as_connected()
6524                    .expect("Should be connected")
6525                    .close_all_sessions(cx)
6526            })
6527            .await;
6528
6529        let closed_count = close_capable.closed_sessions.lock().len();
6530        assert!(
6531            closed_count > 0,
6532            "close_session should have been called for each thread"
6533        );
6534    }
6535
6536    #[gpui::test]
6537    async fn test_close_session_returns_error_when_unsupported(cx: &mut TestAppContext) {
6538        init_test(cx);
6539
6540        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6541
6542        cx.run_until_parked();
6543
6544        let result = thread_view
6545            .update(cx, |view, cx| {
6546                let connected = view.as_connected().expect("Should be connected");
6547                assert!(
6548                    !connected.connection.supports_close_session(),
6549                    "StubAgentConnection should not support close"
6550                );
6551                let session_id = connected
6552                    .threads
6553                    .keys()
6554                    .next()
6555                    .expect("Should have at least one thread")
6556                    .clone();
6557                connected.connection.clone().close_session(&session_id, cx)
6558            })
6559            .await;
6560
6561        assert!(
6562            result.is_err(),
6563            "close_session should return an error when close is not supported"
6564        );
6565        assert!(
6566            result.unwrap_err().to_string().contains("not supported"),
6567            "Error message should indicate that closing is not supported"
6568        );
6569    }
6570
6571    #[derive(Clone)]
6572    struct CloseCapableConnection {
6573        closed_sessions: Arc<Mutex<Vec<acp::SessionId>>>,
6574    }
6575
6576    impl CloseCapableConnection {
6577        fn new() -> Self {
6578            Self {
6579                closed_sessions: Arc::new(Mutex::new(Vec::new())),
6580            }
6581        }
6582    }
6583
6584    impl AgentConnection for CloseCapableConnection {
6585        fn agent_id(&self) -> AgentId {
6586            AgentId::new("close-capable")
6587        }
6588
6589        fn telemetry_id(&self) -> SharedString {
6590            "close-capable".into()
6591        }
6592
6593        fn new_session(
6594            self: Rc<Self>,
6595            project: Entity<Project>,
6596            work_dirs: PathList,
6597            cx: &mut gpui::App,
6598        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6599            let action_log = cx.new(|_| ActionLog::new(project.clone()));
6600            let thread = cx.new(|cx| {
6601                AcpThread::new(
6602                    None,
6603                    "CloseCapableConnection",
6604                    Some(work_dirs),
6605                    self,
6606                    project,
6607                    action_log,
6608                    SessionId::new("close-capable-session"),
6609                    watch::Receiver::constant(
6610                        acp::PromptCapabilities::new()
6611                            .image(true)
6612                            .audio(true)
6613                            .embedded_context(true),
6614                    ),
6615                    cx,
6616                )
6617            });
6618            Task::ready(Ok(thread))
6619        }
6620
6621        fn supports_close_session(&self) -> bool {
6622            true
6623        }
6624
6625        fn close_session(
6626            self: Rc<Self>,
6627            session_id: &acp::SessionId,
6628            _cx: &mut App,
6629        ) -> Task<Result<()>> {
6630            self.closed_sessions.lock().push(session_id.clone());
6631            Task::ready(Ok(()))
6632        }
6633
6634        fn auth_methods(&self) -> &[acp::AuthMethod] {
6635            &[]
6636        }
6637
6638        fn authenticate(
6639            &self,
6640            _method_id: acp::AuthMethodId,
6641            _cx: &mut App,
6642        ) -> Task<gpui::Result<()>> {
6643            Task::ready(Ok(()))
6644        }
6645
6646        fn prompt(
6647            &self,
6648            _id: Option<acp_thread::UserMessageId>,
6649            _params: acp::PromptRequest,
6650            _cx: &mut App,
6651        ) -> Task<gpui::Result<acp::PromptResponse>> {
6652            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
6653        }
6654
6655        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
6656
6657        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6658            self
6659        }
6660    }
6661}