conversation_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 ConversationView {}
 310
 311pub struct ConversationView {
 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 ConversationView {
 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 ConversationView {
 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::conversation_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 ConversationView {
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 ConversationView {
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 ConversationView {
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 (conversation_view, _cx) =
2789            setup_conversation_view(StubAgentServer::default_response(), cx).await;
2790        let weak_view = conversation_view.downgrade();
2791        drop(conversation_view);
2792        assert!(!weak_view.is_upgradable());
2793    }
2794
2795    #[gpui::test]
2796    async fn test_external_source_prompt_requires_manual_send(cx: &mut TestAppContext) {
2797        init_test(cx);
2798
2799        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2800            panic!("expected prompt from external source to sanitize successfully");
2801        };
2802        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2803
2804        let (conversation_view, cx) = setup_conversation_view_with_initial_content(
2805            StubAgentServer::default_response(),
2806            initial_content,
2807            cx,
2808        )
2809        .await;
2810
2811        active_thread(&conversation_view, cx).read_with(cx, |view, cx| {
2812            assert!(view.show_external_source_prompt_warning);
2813            assert_eq!(view.thread.read(cx).entries().len(), 0);
2814            assert_eq!(view.message_editor.read(cx).text(cx), "Write me a script");
2815        });
2816    }
2817
2818    #[gpui::test]
2819    async fn test_external_source_prompt_warning_clears_after_send(cx: &mut TestAppContext) {
2820        init_test(cx);
2821
2822        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2823            panic!("expected prompt from external source to sanitize successfully");
2824        };
2825        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2826
2827        let (conversation_view, cx) = setup_conversation_view_with_initial_content(
2828            StubAgentServer::default_response(),
2829            initial_content,
2830            cx,
2831        )
2832        .await;
2833
2834        active_thread(&conversation_view, cx)
2835            .update_in(cx, |view, window, cx| view.send(window, cx));
2836        cx.run_until_parked();
2837
2838        active_thread(&conversation_view, cx).read_with(cx, |view, cx| {
2839            assert!(!view.show_external_source_prompt_warning);
2840            assert_eq!(view.message_editor.read(cx).text(cx), "");
2841            assert_eq!(view.thread.read(cx).entries().len(), 2);
2842        });
2843    }
2844
2845    #[gpui::test]
2846    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
2847        init_test(cx);
2848
2849        let (conversation_view, cx) =
2850            setup_conversation_view(StubAgentServer::default_response(), cx).await;
2851
2852        let message_editor = message_editor(&conversation_view, cx);
2853        message_editor.update_in(cx, |editor, window, cx| {
2854            editor.set_text("Hello", window, cx);
2855        });
2856
2857        cx.deactivate_window();
2858
2859        active_thread(&conversation_view, cx)
2860            .update_in(cx, |view, window, cx| view.send(window, cx));
2861
2862        cx.run_until_parked();
2863
2864        assert!(
2865            cx.windows()
2866                .iter()
2867                .any(|window| window.downcast::<AgentNotification>().is_some())
2868        );
2869    }
2870
2871    #[gpui::test]
2872    async fn test_notification_for_error(cx: &mut TestAppContext) {
2873        init_test(cx);
2874
2875        let (conversation_view, cx) =
2876            setup_conversation_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
2877
2878        let message_editor = message_editor(&conversation_view, cx);
2879        message_editor.update_in(cx, |editor, window, cx| {
2880            editor.set_text("Hello", window, cx);
2881        });
2882
2883        cx.deactivate_window();
2884
2885        active_thread(&conversation_view, cx)
2886            .update_in(cx, |view, window, cx| view.send(window, cx));
2887
2888        cx.run_until_parked();
2889
2890        assert!(
2891            cx.windows()
2892                .iter()
2893                .any(|window| window.downcast::<AgentNotification>().is_some())
2894        );
2895    }
2896
2897    #[gpui::test]
2898    async fn test_recent_history_refreshes_when_history_cache_updated(cx: &mut TestAppContext) {
2899        init_test(cx);
2900
2901        let session_a = AgentSessionInfo::new(SessionId::new("session-a"));
2902        let session_b = AgentSessionInfo::new(SessionId::new("session-b"));
2903
2904        let fs = FakeFs::new(cx.executor());
2905        let project = Project::test(fs, [], cx).await;
2906        let (multi_workspace, cx) =
2907            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
2908        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
2909
2910        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
2911        let connection_store =
2912            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
2913
2914        let conversation_view = cx.update(|window, cx| {
2915            cx.new(|cx| {
2916                ConversationView::new(
2917                    Rc::new(StubAgentServer::default_response()),
2918                    connection_store,
2919                    Agent::Custom { id: "Test".into() },
2920                    None,
2921                    None,
2922                    None,
2923                    None,
2924                    workspace.downgrade(),
2925                    project,
2926                    Some(thread_store),
2927                    None,
2928                    window,
2929                    cx,
2930                )
2931            })
2932        });
2933
2934        // Wait for connection to establish
2935        cx.run_until_parked();
2936
2937        let history = cx.update(|_window, cx| {
2938            conversation_view
2939                .read(cx)
2940                .history()
2941                .expect("Missing history")
2942                .clone()
2943        });
2944
2945        // Initially empty because StubAgentConnection.session_list() returns None
2946        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
2947            assert_eq!(view.recent_history_entries.len(), 0);
2948        });
2949
2950        // Now set the session list - this simulates external agents providing their history
2951        let list_a: Rc<dyn AgentSessionList> =
2952            Rc::new(StubSessionList::new(vec![session_a.clone()]));
2953        history.update(cx, |history, cx| {
2954            history.set_session_list(Some(list_a), cx);
2955        });
2956        cx.run_until_parked();
2957
2958        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
2959            assert_eq!(view.recent_history_entries.len(), 1);
2960            assert_eq!(
2961                view.recent_history_entries[0].session_id,
2962                session_a.session_id
2963            );
2964        });
2965
2966        // Update to a different session list
2967        let list_b: Rc<dyn AgentSessionList> =
2968            Rc::new(StubSessionList::new(vec![session_b.clone()]));
2969        history.update(cx, |history, cx| {
2970            history.set_session_list(Some(list_b), cx);
2971        });
2972        cx.run_until_parked();
2973
2974        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
2975            assert_eq!(view.recent_history_entries.len(), 1);
2976            assert_eq!(
2977                view.recent_history_entries[0].session_id,
2978                session_b.session_id
2979            );
2980        });
2981    }
2982
2983    #[gpui::test]
2984    async fn test_new_thread_creation_triggers_session_list_refresh(cx: &mut TestAppContext) {
2985        init_test(cx);
2986
2987        let session = AgentSessionInfo::new(SessionId::new("history-session"));
2988        let (conversation_view, history, cx) = setup_thread_view_with_history(
2989            StubAgentServer::new(SessionHistoryConnection::new(vec![session.clone()])),
2990            cx,
2991        )
2992        .await;
2993
2994        history.read_with(cx, |history, _cx| {
2995            assert!(
2996                history.has_session_list(),
2997                "session list should be attached after thread creation"
2998            );
2999        });
3000
3001        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
3002            assert_eq!(view.recent_history_entries.len(), 1);
3003            assert_eq!(
3004                view.recent_history_entries[0].session_id,
3005                session.session_id
3006            );
3007        });
3008    }
3009
3010    #[gpui::test]
3011    async fn test_resume_without_history_adds_notice(cx: &mut TestAppContext) {
3012        init_test(cx);
3013
3014        let fs = FakeFs::new(cx.executor());
3015        let project = Project::test(fs, [], cx).await;
3016        let (multi_workspace, cx) =
3017            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3018        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3019
3020        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3021        let connection_store =
3022            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3023
3024        let conversation_view = cx.update(|window, cx| {
3025            cx.new(|cx| {
3026                ConversationView::new(
3027                    Rc::new(StubAgentServer::new(ResumeOnlyAgentConnection)),
3028                    connection_store,
3029                    Agent::Custom { id: "Test".into() },
3030                    Some(SessionId::new("resume-session")),
3031                    None,
3032                    None,
3033                    None,
3034                    workspace.downgrade(),
3035                    project,
3036                    Some(thread_store),
3037                    None,
3038                    window,
3039                    cx,
3040                )
3041            })
3042        });
3043
3044        cx.run_until_parked();
3045
3046        conversation_view.read_with(cx, |view, cx| {
3047            let state = view.active_thread().unwrap();
3048            assert!(state.read(cx).resumed_without_history);
3049            assert_eq!(state.read(cx).list_state.item_count(), 0);
3050        });
3051    }
3052
3053    #[gpui::test]
3054    async fn test_resume_thread_uses_session_cwd_when_inside_project(cx: &mut TestAppContext) {
3055        init_test(cx);
3056
3057        let fs = FakeFs::new(cx.executor());
3058        fs.insert_tree(
3059            "/project",
3060            json!({
3061                "subdir": {
3062                    "file.txt": "hello"
3063                }
3064            }),
3065        )
3066        .await;
3067        let project = Project::test(fs, [Path::new("/project")], cx).await;
3068        let (multi_workspace, cx) =
3069            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3070        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3071
3072        let connection = CwdCapturingConnection::new();
3073        let captured_cwd = connection.captured_work_dirs.clone();
3074
3075        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3076        let connection_store =
3077            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3078
3079        let _conversation_view = cx.update(|window, cx| {
3080            cx.new(|cx| {
3081                ConversationView::new(
3082                    Rc::new(StubAgentServer::new(connection)),
3083                    connection_store,
3084                    Agent::Custom { id: "Test".into() },
3085                    Some(SessionId::new("session-1")),
3086                    Some(PathList::new(&[PathBuf::from("/project/subdir")])),
3087                    None,
3088                    None,
3089                    workspace.downgrade(),
3090                    project,
3091                    Some(thread_store),
3092                    None,
3093                    window,
3094                    cx,
3095                )
3096            })
3097        });
3098
3099        cx.run_until_parked();
3100
3101        assert_eq!(
3102            captured_cwd.lock().as_ref().unwrap(),
3103            &PathList::new(&[Path::new("/project/subdir")]),
3104            "Should use session cwd when it's inside the project"
3105        );
3106    }
3107
3108    #[gpui::test]
3109    async fn test_refusal_handling(cx: &mut TestAppContext) {
3110        init_test(cx);
3111
3112        let (conversation_view, cx) =
3113            setup_conversation_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
3114
3115        let message_editor = message_editor(&conversation_view, cx);
3116        message_editor.update_in(cx, |editor, window, cx| {
3117            editor.set_text("Do something harmful", window, cx);
3118        });
3119
3120        active_thread(&conversation_view, cx)
3121            .update_in(cx, |view, window, cx| view.send(window, cx));
3122
3123        cx.run_until_parked();
3124
3125        // Check that the refusal error is set
3126        conversation_view.read_with(cx, |thread_view, cx| {
3127            let state = thread_view.active_thread().unwrap();
3128            assert!(
3129                matches!(state.read(cx).thread_error, Some(ThreadError::Refusal)),
3130                "Expected refusal error to be set"
3131            );
3132        });
3133    }
3134
3135    #[gpui::test]
3136    async fn test_connect_failure_transitions_to_load_error(cx: &mut TestAppContext) {
3137        init_test(cx);
3138
3139        let (conversation_view, cx) = setup_conversation_view(FailingAgentServer, cx).await;
3140
3141        conversation_view.read_with(cx, |view, cx| {
3142            let title = view.title(cx);
3143            assert_eq!(
3144                title.as_ref(),
3145                "Error Loading Codex CLI",
3146                "Tab title should show the agent name with an error prefix"
3147            );
3148            match &view.server_state {
3149                ServerState::LoadError {
3150                    error: LoadError::Other(msg),
3151                    ..
3152                } => {
3153                    assert!(
3154                        msg.contains("Invalid gzip header"),
3155                        "Error callout should contain the underlying extraction error, got: {msg}"
3156                    );
3157                }
3158                other => panic!(
3159                    "Expected LoadError::Other, got: {}",
3160                    match other {
3161                        ServerState::Loading(_) => "Loading (stuck!)",
3162                        ServerState::LoadError { .. } => "LoadError (wrong variant)",
3163                        ServerState::Connected(_) => "Connected",
3164                    }
3165                ),
3166            }
3167        });
3168    }
3169
3170    #[gpui::test]
3171    async fn test_auth_required_on_initial_connect(cx: &mut TestAppContext) {
3172        init_test(cx);
3173
3174        let connection = AuthGatedAgentConnection::new();
3175        let (conversation_view, cx) =
3176            setup_conversation_view(StubAgentServer::new(connection), cx).await;
3177
3178        // When new_session returns AuthRequired, the server should transition
3179        // to Connected + Unauthenticated rather than getting stuck in Loading.
3180        conversation_view.read_with(cx, |view, _cx| {
3181            let connected = view
3182                .as_connected()
3183                .expect("Should be in Connected state even though auth is required");
3184            assert!(
3185                !connected.auth_state.is_ok(),
3186                "Auth state should be Unauthenticated"
3187            );
3188            assert!(
3189                connected.active_id.is_none(),
3190                "There should be no active thread since no session was created"
3191            );
3192            assert!(
3193                connected.threads.is_empty(),
3194                "There should be no threads since no session was created"
3195            );
3196        });
3197
3198        conversation_view.read_with(cx, |view, _cx| {
3199            assert!(
3200                view.active_thread().is_none(),
3201                "active_thread() should be None when unauthenticated without a session"
3202            );
3203        });
3204
3205        // Authenticate using the real authenticate flow on ConnectionView.
3206        // This calls connection.authenticate(), which flips the internal flag,
3207        // then on success triggers reset() -> new_session() which now succeeds.
3208        conversation_view.update_in(cx, |view, window, cx| {
3209            view.authenticate(
3210                acp::AuthMethodId::new(AuthGatedAgentConnection::AUTH_METHOD_ID),
3211                window,
3212                cx,
3213            );
3214        });
3215        cx.run_until_parked();
3216
3217        // After auth, the server should have an active thread in the Ok state.
3218        conversation_view.read_with(cx, |view, cx| {
3219            let connected = view
3220                .as_connected()
3221                .expect("Should still be in Connected state after auth");
3222            assert!(connected.auth_state.is_ok(), "Auth state should be Ok");
3223            assert!(
3224                connected.active_id.is_some(),
3225                "There should be an active thread after successful auth"
3226            );
3227            assert_eq!(
3228                connected.threads.len(),
3229                1,
3230                "There should be exactly one thread"
3231            );
3232
3233            let active = view
3234                .active_thread()
3235                .expect("active_thread() should return the new thread");
3236            assert!(
3237                active.read(cx).thread_error.is_none(),
3238                "The new thread should have no errors"
3239            );
3240        });
3241    }
3242
3243    #[gpui::test]
3244    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
3245        init_test(cx);
3246
3247        let tool_call_id = acp::ToolCallId::new("1");
3248        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
3249            .kind(acp::ToolKind::Edit)
3250            .content(vec!["hi".into()]);
3251        let connection =
3252            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
3253                tool_call_id,
3254                PermissionOptions::Flat(vec![acp::PermissionOption::new(
3255                    "1",
3256                    "Allow",
3257                    acp::PermissionOptionKind::AllowOnce,
3258                )]),
3259            )]));
3260
3261        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
3262
3263        let (conversation_view, cx) =
3264            setup_conversation_view(StubAgentServer::new(connection), cx).await;
3265
3266        let message_editor = message_editor(&conversation_view, cx);
3267        message_editor.update_in(cx, |editor, window, cx| {
3268            editor.set_text("Hello", window, cx);
3269        });
3270
3271        cx.deactivate_window();
3272
3273        active_thread(&conversation_view, cx)
3274            .update_in(cx, |view, window, cx| view.send(window, cx));
3275
3276        cx.run_until_parked();
3277
3278        assert!(
3279            cx.windows()
3280                .iter()
3281                .any(|window| window.downcast::<AgentNotification>().is_some())
3282        );
3283    }
3284
3285    #[gpui::test]
3286    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
3287        init_test(cx);
3288
3289        let (conversation_view, cx) =
3290            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3291
3292        add_to_workspace(conversation_view.clone(), cx);
3293
3294        let message_editor = message_editor(&conversation_view, cx);
3295
3296        message_editor.update_in(cx, |editor, window, cx| {
3297            editor.set_text("Hello", window, cx);
3298        });
3299
3300        // Window is active (don't deactivate), but panel will be hidden
3301        // Note: In the test environment, the panel is not actually added to the dock,
3302        // so is_agent_panel_hidden will return true
3303
3304        active_thread(&conversation_view, cx)
3305            .update_in(cx, |view, window, cx| view.send(window, cx));
3306
3307        cx.run_until_parked();
3308
3309        // Should show notification because window is active but panel is hidden
3310        assert!(
3311            cx.windows()
3312                .iter()
3313                .any(|window| window.downcast::<AgentNotification>().is_some()),
3314            "Expected notification when panel is hidden"
3315        );
3316    }
3317
3318    #[gpui::test]
3319    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
3320        init_test(cx);
3321
3322        let (conversation_view, cx) =
3323            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3324
3325        let message_editor = message_editor(&conversation_view, cx);
3326        message_editor.update_in(cx, |editor, window, cx| {
3327            editor.set_text("Hello", window, cx);
3328        });
3329
3330        // Deactivate window - should show notification regardless of setting
3331        cx.deactivate_window();
3332
3333        active_thread(&conversation_view, cx)
3334            .update_in(cx, |view, window, cx| view.send(window, cx));
3335
3336        cx.run_until_parked();
3337
3338        // Should still show notification when window is inactive (existing behavior)
3339        assert!(
3340            cx.windows()
3341                .iter()
3342                .any(|window| window.downcast::<AgentNotification>().is_some()),
3343            "Expected notification when window is inactive"
3344        );
3345    }
3346
3347    #[gpui::test]
3348    async fn test_notification_when_workspace_is_background_in_multi_workspace(
3349        cx: &mut TestAppContext,
3350    ) {
3351        init_test(cx);
3352
3353        // Enable multi-workspace feature flag and init globals needed by AgentPanel
3354        let fs = FakeFs::new(cx.executor());
3355
3356        cx.update(|cx| {
3357            cx.update_flags(true, vec!["agent-v2".to_string()]);
3358            agent::ThreadStore::init_global(cx);
3359            language_model::LanguageModelRegistry::test(cx);
3360            <dyn Fs>::set_global(fs.clone(), cx);
3361        });
3362
3363        let project1 = Project::test(fs.clone(), [], cx).await;
3364
3365        // Create a MultiWorkspace window with one workspace
3366        let multi_workspace_handle =
3367            cx.add_window(|window, cx| MultiWorkspace::test_new(project1.clone(), window, cx));
3368
3369        // Get workspace 1 (the initial workspace)
3370        let workspace1 = multi_workspace_handle
3371            .read_with(cx, |mw, _cx| mw.workspace().clone())
3372            .unwrap();
3373
3374        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3375
3376        workspace1.update_in(cx, |workspace, window, cx| {
3377            let text_thread_store =
3378                cx.new(|cx| TextThreadStore::fake(workspace.project().clone(), cx));
3379            let panel =
3380                cx.new(|cx| crate::AgentPanel::new(workspace, text_thread_store, None, window, cx));
3381            workspace.set_left_drawer(panel, cx);
3382
3383            // Open the dock and activate the agent panel so it's visible
3384            workspace.focus_drawer::<crate::AgentPanel>(window, cx);
3385        });
3386
3387        cx.run_until_parked();
3388
3389        cx.read(|cx| {
3390            assert!(
3391                crate::AgentPanel::is_visible(&workspace1, cx),
3392                "AgentPanel should be visible in workspace1's dock"
3393            );
3394        });
3395
3396        // Set up thread view in workspace 1
3397        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3398        let connection_store =
3399            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project1.clone(), cx)));
3400
3401        let agent = StubAgentServer::default_response();
3402        let conversation_view = cx.update(|window, cx| {
3403            cx.new(|cx| {
3404                ConversationView::new(
3405                    Rc::new(agent),
3406                    connection_store,
3407                    Agent::Custom { id: "Test".into() },
3408                    None,
3409                    None,
3410                    None,
3411                    None,
3412                    workspace1.downgrade(),
3413                    project1.clone(),
3414                    Some(thread_store),
3415                    None,
3416                    window,
3417                    cx,
3418                )
3419            })
3420        });
3421        cx.run_until_parked();
3422
3423        let message_editor = message_editor(&conversation_view, cx);
3424        message_editor.update_in(cx, |editor, window, cx| {
3425            editor.set_text("Hello", window, cx);
3426        });
3427
3428        // Create a second workspace and switch to it.
3429        // This makes workspace1 the "background" workspace.
3430        let project2 = Project::test(fs, [], cx).await;
3431        multi_workspace_handle
3432            .update(cx, |mw, window, cx| {
3433                mw.test_add_workspace(project2, window, cx);
3434            })
3435            .unwrap();
3436
3437        cx.run_until_parked();
3438
3439        // Verify workspace1 is no longer the active workspace
3440        multi_workspace_handle
3441            .read_with(cx, |mw, _cx| {
3442                assert_eq!(mw.active_workspace_index(), 1);
3443                assert_ne!(mw.workspace(), &workspace1);
3444            })
3445            .unwrap();
3446
3447        // Window is active, agent panel is visible in workspace1, but workspace1
3448        // is in the background. The notification should show because the user
3449        // can't actually see the agent panel.
3450        active_thread(&conversation_view, cx)
3451            .update_in(cx, |view, window, cx| view.send(window, cx));
3452
3453        cx.run_until_parked();
3454
3455        assert!(
3456            cx.windows()
3457                .iter()
3458                .any(|window| window.downcast::<AgentNotification>().is_some()),
3459            "Expected notification when workspace is in background within MultiWorkspace"
3460        );
3461
3462        // Also verify: clicking "View Panel" should switch to workspace1.
3463        cx.windows()
3464            .iter()
3465            .find_map(|window| window.downcast::<AgentNotification>())
3466            .unwrap()
3467            .update(cx, |window, _, cx| window.accept(cx))
3468            .unwrap();
3469
3470        cx.run_until_parked();
3471
3472        multi_workspace_handle
3473            .read_with(cx, |mw, _cx| {
3474                assert_eq!(
3475                    mw.workspace(),
3476                    &workspace1,
3477                    "Expected workspace1 to become the active workspace after accepting notification"
3478                );
3479            })
3480            .unwrap();
3481    }
3482
3483    #[gpui::test]
3484    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
3485        init_test(cx);
3486
3487        // Set notify_when_agent_waiting to Never
3488        cx.update(|cx| {
3489            AgentSettings::override_global(
3490                AgentSettings {
3491                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
3492                    ..AgentSettings::get_global(cx).clone()
3493                },
3494                cx,
3495            );
3496        });
3497
3498        let (conversation_view, cx) =
3499            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3500
3501        let message_editor = message_editor(&conversation_view, cx);
3502        message_editor.update_in(cx, |editor, window, cx| {
3503            editor.set_text("Hello", window, cx);
3504        });
3505
3506        // Window is active
3507
3508        active_thread(&conversation_view, cx)
3509            .update_in(cx, |view, window, cx| view.send(window, cx));
3510
3511        cx.run_until_parked();
3512
3513        // Should NOT show notification because notify_when_agent_waiting is Never
3514        assert!(
3515            !cx.windows()
3516                .iter()
3517                .any(|window| window.downcast::<AgentNotification>().is_some()),
3518            "Expected no notification when notify_when_agent_waiting is Never"
3519        );
3520    }
3521
3522    #[gpui::test]
3523    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
3524        init_test(cx);
3525
3526        let (conversation_view, cx) =
3527            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3528
3529        let weak_view = conversation_view.downgrade();
3530
3531        let message_editor = message_editor(&conversation_view, cx);
3532        message_editor.update_in(cx, |editor, window, cx| {
3533            editor.set_text("Hello", window, cx);
3534        });
3535
3536        cx.deactivate_window();
3537
3538        active_thread(&conversation_view, cx)
3539            .update_in(cx, |view, window, cx| view.send(window, cx));
3540
3541        cx.run_until_parked();
3542
3543        // Verify notification is shown
3544        assert!(
3545            cx.windows()
3546                .iter()
3547                .any(|window| window.downcast::<AgentNotification>().is_some()),
3548            "Expected notification to be shown"
3549        );
3550
3551        // Drop the thread view (simulating navigation to a new thread)
3552        drop(conversation_view);
3553        drop(message_editor);
3554        // Trigger an update to flush effects, which will call release_dropped_entities
3555        cx.update(|_window, _cx| {});
3556        cx.run_until_parked();
3557
3558        // Verify the entity was actually released
3559        assert!(
3560            !weak_view.is_upgradable(),
3561            "Thread view entity should be released after dropping"
3562        );
3563
3564        // The notification should be automatically closed via on_release
3565        assert!(
3566            !cx.windows()
3567                .iter()
3568                .any(|window| window.downcast::<AgentNotification>().is_some()),
3569            "Notification should be closed when thread view is dropped"
3570        );
3571    }
3572
3573    async fn setup_conversation_view(
3574        agent: impl AgentServer + 'static,
3575        cx: &mut TestAppContext,
3576    ) -> (Entity<ConversationView>, &mut VisualTestContext) {
3577        let (conversation_view, _history, cx) =
3578            setup_conversation_view_with_history_and_initial_content(agent, None, cx).await;
3579        (conversation_view, cx)
3580    }
3581
3582    async fn setup_thread_view_with_history(
3583        agent: impl AgentServer + 'static,
3584        cx: &mut TestAppContext,
3585    ) -> (
3586        Entity<ConversationView>,
3587        Entity<ThreadHistory>,
3588        &mut VisualTestContext,
3589    ) {
3590        let (conversation_view, history, cx) =
3591            setup_conversation_view_with_history_and_initial_content(agent, None, cx).await;
3592        (conversation_view, history.expect("Missing history"), cx)
3593    }
3594
3595    async fn setup_conversation_view_with_initial_content(
3596        agent: impl AgentServer + 'static,
3597        initial_content: AgentInitialContent,
3598        cx: &mut TestAppContext,
3599    ) -> (Entity<ConversationView>, &mut VisualTestContext) {
3600        let (conversation_view, _history, cx) =
3601            setup_conversation_view_with_history_and_initial_content(
3602                agent,
3603                Some(initial_content),
3604                cx,
3605            )
3606            .await;
3607        (conversation_view, cx)
3608    }
3609
3610    async fn setup_conversation_view_with_history_and_initial_content(
3611        agent: impl AgentServer + 'static,
3612        initial_content: Option<AgentInitialContent>,
3613        cx: &mut TestAppContext,
3614    ) -> (
3615        Entity<ConversationView>,
3616        Option<Entity<ThreadHistory>>,
3617        &mut VisualTestContext,
3618    ) {
3619        let fs = FakeFs::new(cx.executor());
3620        let project = Project::test(fs, [], cx).await;
3621        let (multi_workspace, cx) =
3622            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3623        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3624
3625        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3626        let connection_store =
3627            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3628
3629        let agent_key = Agent::Custom { id: "Test".into() };
3630
3631        let conversation_view = cx.update(|window, cx| {
3632            cx.new(|cx| {
3633                ConversationView::new(
3634                    Rc::new(agent),
3635                    connection_store.clone(),
3636                    agent_key.clone(),
3637                    None,
3638                    None,
3639                    None,
3640                    initial_content,
3641                    workspace.downgrade(),
3642                    project,
3643                    Some(thread_store),
3644                    None,
3645                    window,
3646                    cx,
3647                )
3648            })
3649        });
3650        cx.run_until_parked();
3651
3652        let history = cx.update(|_window, cx| {
3653            connection_store
3654                .read(cx)
3655                .entry(&agent_key)
3656                .and_then(|e| e.read(cx).history().cloned())
3657        });
3658
3659        (conversation_view, history, cx)
3660    }
3661
3662    fn add_to_workspace(conversation_view: Entity<ConversationView>, cx: &mut VisualTestContext) {
3663        let workspace =
3664            conversation_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
3665
3666        workspace
3667            .update_in(cx, |workspace, window, cx| {
3668                workspace.add_item_to_active_pane(
3669                    Box::new(cx.new(|_| ThreadViewItem(conversation_view.clone()))),
3670                    None,
3671                    true,
3672                    window,
3673                    cx,
3674                );
3675            })
3676            .unwrap();
3677    }
3678
3679    struct ThreadViewItem(Entity<ConversationView>);
3680
3681    impl Item for ThreadViewItem {
3682        type Event = ();
3683
3684        fn include_in_nav_history() -> bool {
3685            false
3686        }
3687
3688        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
3689            "Test".into()
3690        }
3691    }
3692
3693    impl EventEmitter<()> for ThreadViewItem {}
3694
3695    impl Focusable for ThreadViewItem {
3696        fn focus_handle(&self, cx: &App) -> FocusHandle {
3697            self.0.read(cx).focus_handle(cx)
3698        }
3699    }
3700
3701    impl Render for ThreadViewItem {
3702        fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3703            // Render the title editor in the element tree too. In the real app
3704            // it is part of the agent panel
3705            let title_editor = self
3706                .0
3707                .read(cx)
3708                .active_thread()
3709                .map(|t| t.read(cx).title_editor.clone());
3710
3711            v_flex().children(title_editor).child(self.0.clone())
3712        }
3713    }
3714
3715    pub(crate) struct StubAgentServer<C> {
3716        connection: C,
3717    }
3718
3719    impl<C> StubAgentServer<C> {
3720        pub(crate) fn new(connection: C) -> Self {
3721            Self { connection }
3722        }
3723    }
3724
3725    impl StubAgentServer<StubAgentConnection> {
3726        pub(crate) fn default_response() -> Self {
3727            let conn = StubAgentConnection::new();
3728            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
3729                acp::ContentChunk::new("Default response".into()),
3730            )]);
3731            Self::new(conn)
3732        }
3733    }
3734
3735    impl<C> AgentServer for StubAgentServer<C>
3736    where
3737        C: 'static + AgentConnection + Send + Clone,
3738    {
3739        fn logo(&self) -> ui::IconName {
3740            ui::IconName::Ai
3741        }
3742
3743        fn agent_id(&self) -> AgentId {
3744            "Test".into()
3745        }
3746
3747        fn connect(
3748            &self,
3749            _delegate: AgentServerDelegate,
3750            _cx: &mut App,
3751        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
3752            Task::ready(Ok(Rc::new(self.connection.clone())))
3753        }
3754
3755        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3756            self
3757        }
3758    }
3759
3760    struct FailingAgentServer;
3761
3762    impl AgentServer for FailingAgentServer {
3763        fn logo(&self) -> ui::IconName {
3764            ui::IconName::AiOpenAi
3765        }
3766
3767        fn agent_id(&self) -> AgentId {
3768            AgentId::new("Codex CLI")
3769        }
3770
3771        fn connect(
3772            &self,
3773            _delegate: AgentServerDelegate,
3774            _cx: &mut App,
3775        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
3776            Task::ready(Err(anyhow!(
3777                "extracting downloaded asset for \
3778                 https://github.com/zed-industries/codex-acp/releases/download/v0.9.4/\
3779                 codex-acp-0.9.4-aarch64-pc-windows-msvc.zip: \
3780                 failed to iterate over archive: Invalid gzip header"
3781            )))
3782        }
3783
3784        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3785            self
3786        }
3787    }
3788
3789    #[derive(Clone)]
3790    struct StubSessionList {
3791        sessions: Vec<AgentSessionInfo>,
3792    }
3793
3794    impl StubSessionList {
3795        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
3796            Self { sessions }
3797        }
3798    }
3799
3800    impl AgentSessionList for StubSessionList {
3801        fn list_sessions(
3802            &self,
3803            _request: AgentSessionListRequest,
3804            _cx: &mut App,
3805        ) -> Task<anyhow::Result<AgentSessionListResponse>> {
3806            Task::ready(Ok(AgentSessionListResponse::new(self.sessions.clone())))
3807        }
3808
3809        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3810            self
3811        }
3812    }
3813
3814    #[derive(Clone)]
3815    struct SessionHistoryConnection {
3816        sessions: Vec<AgentSessionInfo>,
3817    }
3818
3819    impl SessionHistoryConnection {
3820        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
3821            Self { sessions }
3822        }
3823    }
3824
3825    fn build_test_thread(
3826        connection: Rc<dyn AgentConnection>,
3827        project: Entity<Project>,
3828        name: &'static str,
3829        session_id: SessionId,
3830        cx: &mut App,
3831    ) -> Entity<AcpThread> {
3832        let action_log = cx.new(|_| ActionLog::new(project.clone()));
3833        cx.new(|cx| {
3834            AcpThread::new(
3835                None,
3836                name,
3837                None,
3838                connection,
3839                project,
3840                action_log,
3841                session_id,
3842                watch::Receiver::constant(
3843                    acp::PromptCapabilities::new()
3844                        .image(true)
3845                        .audio(true)
3846                        .embedded_context(true),
3847                ),
3848                cx,
3849            )
3850        })
3851    }
3852
3853    impl AgentConnection for SessionHistoryConnection {
3854        fn agent_id(&self) -> AgentId {
3855            AgentId::new("history-connection")
3856        }
3857
3858        fn telemetry_id(&self) -> SharedString {
3859            "history-connection".into()
3860        }
3861
3862        fn new_session(
3863            self: Rc<Self>,
3864            project: Entity<Project>,
3865            _work_dirs: PathList,
3866            cx: &mut App,
3867        ) -> Task<anyhow::Result<Entity<AcpThread>>> {
3868            let thread = build_test_thread(
3869                self,
3870                project,
3871                "SessionHistoryConnection",
3872                SessionId::new("history-session"),
3873                cx,
3874            );
3875            Task::ready(Ok(thread))
3876        }
3877
3878        fn supports_load_session(&self) -> bool {
3879            true
3880        }
3881
3882        fn session_list(&self, _cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
3883            Some(Rc::new(StubSessionList::new(self.sessions.clone())))
3884        }
3885
3886        fn auth_methods(&self) -> &[acp::AuthMethod] {
3887            &[]
3888        }
3889
3890        fn authenticate(
3891            &self,
3892            _method_id: acp::AuthMethodId,
3893            _cx: &mut App,
3894        ) -> Task<anyhow::Result<()>> {
3895            Task::ready(Ok(()))
3896        }
3897
3898        fn prompt(
3899            &self,
3900            _id: Option<acp_thread::UserMessageId>,
3901            _params: acp::PromptRequest,
3902            _cx: &mut App,
3903        ) -> Task<anyhow::Result<acp::PromptResponse>> {
3904            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
3905        }
3906
3907        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
3908
3909        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3910            self
3911        }
3912    }
3913
3914    #[derive(Clone)]
3915    struct ResumeOnlyAgentConnection;
3916
3917    impl AgentConnection for ResumeOnlyAgentConnection {
3918        fn agent_id(&self) -> AgentId {
3919            AgentId::new("resume-only")
3920        }
3921
3922        fn telemetry_id(&self) -> SharedString {
3923            "resume-only".into()
3924        }
3925
3926        fn new_session(
3927            self: Rc<Self>,
3928            project: Entity<Project>,
3929            _work_dirs: PathList,
3930            cx: &mut gpui::App,
3931        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3932            let thread = build_test_thread(
3933                self,
3934                project,
3935                "ResumeOnlyAgentConnection",
3936                SessionId::new("new-session"),
3937                cx,
3938            );
3939            Task::ready(Ok(thread))
3940        }
3941
3942        fn supports_resume_session(&self) -> bool {
3943            true
3944        }
3945
3946        fn resume_session(
3947            self: Rc<Self>,
3948            session_id: acp::SessionId,
3949            project: Entity<Project>,
3950            _work_dirs: PathList,
3951            _title: Option<SharedString>,
3952            cx: &mut App,
3953        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3954            let thread =
3955                build_test_thread(self, project, "ResumeOnlyAgentConnection", session_id, cx);
3956            Task::ready(Ok(thread))
3957        }
3958
3959        fn auth_methods(&self) -> &[acp::AuthMethod] {
3960            &[]
3961        }
3962
3963        fn authenticate(
3964            &self,
3965            _method_id: acp::AuthMethodId,
3966            _cx: &mut App,
3967        ) -> Task<gpui::Result<()>> {
3968            Task::ready(Ok(()))
3969        }
3970
3971        fn prompt(
3972            &self,
3973            _id: Option<acp_thread::UserMessageId>,
3974            _params: acp::PromptRequest,
3975            _cx: &mut App,
3976        ) -> Task<gpui::Result<acp::PromptResponse>> {
3977            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
3978        }
3979
3980        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
3981
3982        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3983            self
3984        }
3985    }
3986
3987    /// Simulates an agent that requires authentication before a session can be
3988    /// created. `new_session` returns `AuthRequired` until `authenticate` is
3989    /// called with the correct method, after which sessions are created normally.
3990    #[derive(Clone)]
3991    struct AuthGatedAgentConnection {
3992        authenticated: Arc<Mutex<bool>>,
3993        auth_method: acp::AuthMethod,
3994    }
3995
3996    impl AuthGatedAgentConnection {
3997        const AUTH_METHOD_ID: &str = "test-login";
3998
3999        fn new() -> Self {
4000            Self {
4001                authenticated: Arc::new(Mutex::new(false)),
4002                auth_method: acp::AuthMethod::Agent(acp::AuthMethodAgent::new(
4003                    Self::AUTH_METHOD_ID,
4004                    "Test Login",
4005                )),
4006            }
4007        }
4008    }
4009
4010    impl AgentConnection for AuthGatedAgentConnection {
4011        fn agent_id(&self) -> AgentId {
4012            AgentId::new("auth-gated")
4013        }
4014
4015        fn telemetry_id(&self) -> SharedString {
4016            "auth-gated".into()
4017        }
4018
4019        fn new_session(
4020            self: Rc<Self>,
4021            project: Entity<Project>,
4022            work_dirs: PathList,
4023            cx: &mut gpui::App,
4024        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4025            if !*self.authenticated.lock() {
4026                return Task::ready(Err(acp_thread::AuthRequired::new()
4027                    .with_description("Sign in to continue".to_string())
4028                    .into()));
4029            }
4030
4031            let session_id = acp::SessionId::new("auth-gated-session");
4032            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4033            Task::ready(Ok(cx.new(|cx| {
4034                AcpThread::new(
4035                    None,
4036                    "AuthGatedAgent",
4037                    Some(work_dirs),
4038                    self,
4039                    project,
4040                    action_log,
4041                    session_id,
4042                    watch::Receiver::constant(
4043                        acp::PromptCapabilities::new()
4044                            .image(true)
4045                            .audio(true)
4046                            .embedded_context(true),
4047                    ),
4048                    cx,
4049                )
4050            })))
4051        }
4052
4053        fn auth_methods(&self) -> &[acp::AuthMethod] {
4054            std::slice::from_ref(&self.auth_method)
4055        }
4056
4057        fn authenticate(
4058            &self,
4059            method_id: acp::AuthMethodId,
4060            _cx: &mut App,
4061        ) -> Task<gpui::Result<()>> {
4062            if &method_id == self.auth_method.id() {
4063                *self.authenticated.lock() = true;
4064                Task::ready(Ok(()))
4065            } else {
4066                Task::ready(Err(anyhow::anyhow!("Unknown auth method")))
4067            }
4068        }
4069
4070        fn prompt(
4071            &self,
4072            _id: Option<acp_thread::UserMessageId>,
4073            _params: acp::PromptRequest,
4074            _cx: &mut App,
4075        ) -> Task<gpui::Result<acp::PromptResponse>> {
4076            unimplemented!()
4077        }
4078
4079        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4080            unimplemented!()
4081        }
4082
4083        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4084            self
4085        }
4086    }
4087
4088    #[derive(Clone)]
4089    struct SaboteurAgentConnection;
4090
4091    impl AgentConnection for SaboteurAgentConnection {
4092        fn agent_id(&self) -> AgentId {
4093            AgentId::new("saboteur")
4094        }
4095
4096        fn telemetry_id(&self) -> SharedString {
4097            "saboteur".into()
4098        }
4099
4100        fn new_session(
4101            self: Rc<Self>,
4102            project: Entity<Project>,
4103            work_dirs: PathList,
4104            cx: &mut gpui::App,
4105        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4106            Task::ready(Ok(cx.new(|cx| {
4107                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4108                AcpThread::new(
4109                    None,
4110                    "SaboteurAgentConnection",
4111                    Some(work_dirs),
4112                    self,
4113                    project,
4114                    action_log,
4115                    SessionId::new("test"),
4116                    watch::Receiver::constant(
4117                        acp::PromptCapabilities::new()
4118                            .image(true)
4119                            .audio(true)
4120                            .embedded_context(true),
4121                    ),
4122                    cx,
4123                )
4124            })))
4125        }
4126
4127        fn auth_methods(&self) -> &[acp::AuthMethod] {
4128            &[]
4129        }
4130
4131        fn authenticate(
4132            &self,
4133            _method_id: acp::AuthMethodId,
4134            _cx: &mut App,
4135        ) -> Task<gpui::Result<()>> {
4136            unimplemented!()
4137        }
4138
4139        fn prompt(
4140            &self,
4141            _id: Option<acp_thread::UserMessageId>,
4142            _params: acp::PromptRequest,
4143            _cx: &mut App,
4144        ) -> Task<gpui::Result<acp::PromptResponse>> {
4145            Task::ready(Err(anyhow::anyhow!("Error prompting")))
4146        }
4147
4148        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4149            unimplemented!()
4150        }
4151
4152        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4153            self
4154        }
4155    }
4156
4157    /// Simulates a model which always returns a refusal response
4158    #[derive(Clone)]
4159    struct RefusalAgentConnection;
4160
4161    impl AgentConnection for RefusalAgentConnection {
4162        fn agent_id(&self) -> AgentId {
4163            AgentId::new("refusal")
4164        }
4165
4166        fn telemetry_id(&self) -> SharedString {
4167            "refusal".into()
4168        }
4169
4170        fn new_session(
4171            self: Rc<Self>,
4172            project: Entity<Project>,
4173            work_dirs: PathList,
4174            cx: &mut gpui::App,
4175        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4176            Task::ready(Ok(cx.new(|cx| {
4177                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4178                AcpThread::new(
4179                    None,
4180                    "RefusalAgentConnection",
4181                    Some(work_dirs),
4182                    self,
4183                    project,
4184                    action_log,
4185                    SessionId::new("test"),
4186                    watch::Receiver::constant(
4187                        acp::PromptCapabilities::new()
4188                            .image(true)
4189                            .audio(true)
4190                            .embedded_context(true),
4191                    ),
4192                    cx,
4193                )
4194            })))
4195        }
4196
4197        fn auth_methods(&self) -> &[acp::AuthMethod] {
4198            &[]
4199        }
4200
4201        fn authenticate(
4202            &self,
4203            _method_id: acp::AuthMethodId,
4204            _cx: &mut App,
4205        ) -> Task<gpui::Result<()>> {
4206            unimplemented!()
4207        }
4208
4209        fn prompt(
4210            &self,
4211            _id: Option<acp_thread::UserMessageId>,
4212            _params: acp::PromptRequest,
4213            _cx: &mut App,
4214        ) -> Task<gpui::Result<acp::PromptResponse>> {
4215            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
4216        }
4217
4218        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4219            unimplemented!()
4220        }
4221
4222        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4223            self
4224        }
4225    }
4226
4227    #[derive(Clone)]
4228    struct CwdCapturingConnection {
4229        captured_work_dirs: Arc<Mutex<Option<PathList>>>,
4230    }
4231
4232    impl CwdCapturingConnection {
4233        fn new() -> Self {
4234            Self {
4235                captured_work_dirs: Arc::new(Mutex::new(None)),
4236            }
4237        }
4238    }
4239
4240    impl AgentConnection for CwdCapturingConnection {
4241        fn agent_id(&self) -> AgentId {
4242            AgentId::new("cwd-capturing")
4243        }
4244
4245        fn telemetry_id(&self) -> SharedString {
4246            "cwd-capturing".into()
4247        }
4248
4249        fn new_session(
4250            self: Rc<Self>,
4251            project: Entity<Project>,
4252            work_dirs: PathList,
4253            cx: &mut gpui::App,
4254        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4255            *self.captured_work_dirs.lock() = Some(work_dirs.clone());
4256            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4257            let thread = cx.new(|cx| {
4258                AcpThread::new(
4259                    None,
4260                    "CwdCapturingConnection",
4261                    Some(work_dirs),
4262                    self.clone(),
4263                    project,
4264                    action_log,
4265                    SessionId::new("new-session"),
4266                    watch::Receiver::constant(
4267                        acp::PromptCapabilities::new()
4268                            .image(true)
4269                            .audio(true)
4270                            .embedded_context(true),
4271                    ),
4272                    cx,
4273                )
4274            });
4275            Task::ready(Ok(thread))
4276        }
4277
4278        fn supports_load_session(&self) -> bool {
4279            true
4280        }
4281
4282        fn load_session(
4283            self: Rc<Self>,
4284            session_id: acp::SessionId,
4285            project: Entity<Project>,
4286            work_dirs: PathList,
4287            _title: Option<SharedString>,
4288            cx: &mut App,
4289        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4290            *self.captured_work_dirs.lock() = Some(work_dirs.clone());
4291            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4292            let thread = cx.new(|cx| {
4293                AcpThread::new(
4294                    None,
4295                    "CwdCapturingConnection",
4296                    Some(work_dirs),
4297                    self.clone(),
4298                    project,
4299                    action_log,
4300                    session_id,
4301                    watch::Receiver::constant(
4302                        acp::PromptCapabilities::new()
4303                            .image(true)
4304                            .audio(true)
4305                            .embedded_context(true),
4306                    ),
4307                    cx,
4308                )
4309            });
4310            Task::ready(Ok(thread))
4311        }
4312
4313        fn auth_methods(&self) -> &[acp::AuthMethod] {
4314            &[]
4315        }
4316
4317        fn authenticate(
4318            &self,
4319            _method_id: acp::AuthMethodId,
4320            _cx: &mut App,
4321        ) -> Task<gpui::Result<()>> {
4322            Task::ready(Ok(()))
4323        }
4324
4325        fn prompt(
4326            &self,
4327            _id: Option<acp_thread::UserMessageId>,
4328            _params: acp::PromptRequest,
4329            _cx: &mut App,
4330        ) -> Task<gpui::Result<acp::PromptResponse>> {
4331            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4332        }
4333
4334        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4335
4336        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4337            self
4338        }
4339    }
4340
4341    pub(crate) fn init_test(cx: &mut TestAppContext) {
4342        cx.update(|cx| {
4343            let settings_store = SettingsStore::test(cx);
4344            cx.set_global(settings_store);
4345            ThreadMetadataStore::init_global(cx);
4346            theme::init(theme::LoadThemes::JustBase, cx);
4347            editor::init(cx);
4348            agent_panel::init(cx);
4349            release_channel::init(semver::Version::new(0, 0, 0), cx);
4350            prompt_store::init(cx)
4351        });
4352    }
4353
4354    fn active_thread(
4355        conversation_view: &Entity<ConversationView>,
4356        cx: &TestAppContext,
4357    ) -> Entity<ThreadView> {
4358        cx.read(|cx| {
4359            conversation_view
4360                .read(cx)
4361                .active_thread()
4362                .expect("No active thread")
4363                .clone()
4364        })
4365    }
4366
4367    fn message_editor(
4368        conversation_view: &Entity<ConversationView>,
4369        cx: &TestAppContext,
4370    ) -> Entity<MessageEditor> {
4371        let thread = active_thread(conversation_view, cx);
4372        cx.read(|cx| thread.read(cx).message_editor.clone())
4373    }
4374
4375    #[gpui::test]
4376    async fn test_rewind_views(cx: &mut TestAppContext) {
4377        init_test(cx);
4378
4379        let fs = FakeFs::new(cx.executor());
4380        fs.insert_tree(
4381            "/project",
4382            json!({
4383                "test1.txt": "old content 1",
4384                "test2.txt": "old content 2"
4385            }),
4386        )
4387        .await;
4388        let project = Project::test(fs, [Path::new("/project")], cx).await;
4389        let (multi_workspace, cx) =
4390            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
4391        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
4392
4393        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
4394        let connection_store =
4395            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
4396
4397        let connection = Rc::new(StubAgentConnection::new());
4398        let conversation_view = cx.update(|window, cx| {
4399            cx.new(|cx| {
4400                ConversationView::new(
4401                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4402                    connection_store,
4403                    Agent::Custom { id: "Test".into() },
4404                    None,
4405                    None,
4406                    None,
4407                    None,
4408                    workspace.downgrade(),
4409                    project.clone(),
4410                    Some(thread_store.clone()),
4411                    None,
4412                    window,
4413                    cx,
4414                )
4415            })
4416        });
4417
4418        cx.run_until_parked();
4419
4420        let thread = conversation_view
4421            .read_with(cx, |view, cx| {
4422                view.active_thread().map(|r| r.read(cx).thread.clone())
4423            })
4424            .unwrap();
4425
4426        // First user message
4427        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4428            acp::ToolCall::new("tool1", "Edit file 1")
4429                .kind(acp::ToolKind::Edit)
4430                .status(acp::ToolCallStatus::Completed)
4431                .content(vec![acp::ToolCallContent::Diff(
4432                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
4433                )]),
4434        )]);
4435
4436        thread
4437            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4438            .await
4439            .unwrap();
4440        cx.run_until_parked();
4441
4442        thread.read_with(cx, |thread, _cx| {
4443            assert_eq!(thread.entries().len(), 2);
4444        });
4445
4446        conversation_view.read_with(cx, |view, cx| {
4447            let entry_view_state = view
4448                .active_thread()
4449                .map(|active| active.read(cx).entry_view_state.clone())
4450                .unwrap();
4451            entry_view_state.read_with(cx, |entry_view_state, _| {
4452                assert!(
4453                    entry_view_state
4454                        .entry(0)
4455                        .unwrap()
4456                        .message_editor()
4457                        .is_some()
4458                );
4459                assert!(entry_view_state.entry(1).unwrap().has_content());
4460            });
4461        });
4462
4463        // Second user message
4464        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4465            acp::ToolCall::new("tool2", "Edit file 2")
4466                .kind(acp::ToolKind::Edit)
4467                .status(acp::ToolCallStatus::Completed)
4468                .content(vec![acp::ToolCallContent::Diff(
4469                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
4470                )]),
4471        )]);
4472
4473        thread
4474            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
4475            .await
4476            .unwrap();
4477        cx.run_until_parked();
4478
4479        let second_user_message_id = thread.read_with(cx, |thread, _| {
4480            assert_eq!(thread.entries().len(), 4);
4481            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
4482                panic!();
4483            };
4484            user_message.id.clone().unwrap()
4485        });
4486
4487        conversation_view.read_with(cx, |view, cx| {
4488            let entry_view_state = view
4489                .active_thread()
4490                .unwrap()
4491                .read(cx)
4492                .entry_view_state
4493                .clone();
4494            entry_view_state.read_with(cx, |entry_view_state, _| {
4495                assert!(
4496                    entry_view_state
4497                        .entry(0)
4498                        .unwrap()
4499                        .message_editor()
4500                        .is_some()
4501                );
4502                assert!(entry_view_state.entry(1).unwrap().has_content());
4503                assert!(
4504                    entry_view_state
4505                        .entry(2)
4506                        .unwrap()
4507                        .message_editor()
4508                        .is_some()
4509                );
4510                assert!(entry_view_state.entry(3).unwrap().has_content());
4511            });
4512        });
4513
4514        // Rewind to first message
4515        thread
4516            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
4517            .await
4518            .unwrap();
4519
4520        cx.run_until_parked();
4521
4522        thread.read_with(cx, |thread, _| {
4523            assert_eq!(thread.entries().len(), 2);
4524        });
4525
4526        conversation_view.read_with(cx, |view, cx| {
4527            let active = view.active_thread().unwrap();
4528            active
4529                .read(cx)
4530                .entry_view_state
4531                .read_with(cx, |entry_view_state, _| {
4532                    assert!(
4533                        entry_view_state
4534                            .entry(0)
4535                            .unwrap()
4536                            .message_editor()
4537                            .is_some()
4538                    );
4539                    assert!(entry_view_state.entry(1).unwrap().has_content());
4540
4541                    // Old views should be dropped
4542                    assert!(entry_view_state.entry(2).is_none());
4543                    assert!(entry_view_state.entry(3).is_none());
4544                });
4545        });
4546    }
4547
4548    #[gpui::test]
4549    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
4550        init_test(cx);
4551
4552        let connection = StubAgentConnection::new();
4553
4554        // Each user prompt will result in a user message entry plus an agent message entry.
4555        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4556            acp::ContentChunk::new("Response 1".into()),
4557        )]);
4558
4559        let (conversation_view, cx) =
4560            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
4561
4562        let thread = conversation_view
4563            .read_with(cx, |view, cx| {
4564                view.active_thread().map(|r| r.read(cx).thread.clone())
4565            })
4566            .unwrap();
4567
4568        thread
4569            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
4570            .await
4571            .unwrap();
4572        cx.run_until_parked();
4573
4574        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4575            acp::ContentChunk::new("Response 2".into()),
4576        )]);
4577
4578        thread
4579            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
4580            .await
4581            .unwrap();
4582        cx.run_until_parked();
4583
4584        // Move somewhere else first so we're not trivially already on the last user prompt.
4585        active_thread(&conversation_view, cx).update(cx, |view, cx| {
4586            view.scroll_to_top(cx);
4587        });
4588        cx.run_until_parked();
4589
4590        active_thread(&conversation_view, cx).update(cx, |view, cx| {
4591            view.scroll_to_most_recent_user_prompt(cx);
4592            let scroll_top = view.list_state.logical_scroll_top();
4593            // Entries layout is: [User1, Assistant1, User2, Assistant2]
4594            assert_eq!(scroll_top.item_ix, 2);
4595        });
4596    }
4597
4598    #[gpui::test]
4599    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
4600        cx: &mut TestAppContext,
4601    ) {
4602        init_test(cx);
4603
4604        let (conversation_view, cx) =
4605            setup_conversation_view(StubAgentServer::default_response(), cx).await;
4606
4607        // With no entries, scrolling should be a no-op and must not panic.
4608        active_thread(&conversation_view, cx).update(cx, |view, cx| {
4609            view.scroll_to_most_recent_user_prompt(cx);
4610            let scroll_top = view.list_state.logical_scroll_top();
4611            assert_eq!(scroll_top.item_ix, 0);
4612        });
4613    }
4614
4615    #[gpui::test]
4616    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
4617        init_test(cx);
4618
4619        let connection = StubAgentConnection::new();
4620
4621        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4622            acp::ContentChunk::new("Response".into()),
4623        )]);
4624
4625        let (conversation_view, cx) =
4626            setup_conversation_view(StubAgentServer::new(connection), cx).await;
4627        add_to_workspace(conversation_view.clone(), cx);
4628
4629        let message_editor = message_editor(&conversation_view, cx);
4630        message_editor.update_in(cx, |editor, window, cx| {
4631            editor.set_text("Original message to edit", window, cx);
4632        });
4633        active_thread(&conversation_view, cx)
4634            .update_in(cx, |view, window, cx| view.send(window, cx));
4635
4636        cx.run_until_parked();
4637
4638        let user_message_editor = conversation_view.read_with(cx, |view, cx| {
4639            assert_eq!(
4640                view.active_thread()
4641                    .and_then(|active| active.read(cx).editing_message),
4642                None
4643            );
4644
4645            view.active_thread()
4646                .map(|active| &active.read(cx).entry_view_state)
4647                .as_ref()
4648                .unwrap()
4649                .read(cx)
4650                .entry(0)
4651                .unwrap()
4652                .message_editor()
4653                .unwrap()
4654                .clone()
4655        });
4656
4657        // Focus
4658        cx.focus(&user_message_editor);
4659        conversation_view.read_with(cx, |view, cx| {
4660            assert_eq!(
4661                view.active_thread()
4662                    .and_then(|active| active.read(cx).editing_message),
4663                Some(0)
4664            );
4665        });
4666
4667        // Edit
4668        user_message_editor.update_in(cx, |editor, window, cx| {
4669            editor.set_text("Edited message content", window, cx);
4670        });
4671
4672        // Cancel
4673        user_message_editor.update_in(cx, |_editor, window, cx| {
4674            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
4675        });
4676
4677        conversation_view.read_with(cx, |view, cx| {
4678            assert_eq!(
4679                view.active_thread()
4680                    .and_then(|active| active.read(cx).editing_message),
4681                None
4682            );
4683        });
4684
4685        user_message_editor.read_with(cx, |editor, cx| {
4686            assert_eq!(editor.text(cx), "Original message to edit");
4687        });
4688    }
4689
4690    #[gpui::test]
4691    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
4692        init_test(cx);
4693
4694        let connection = StubAgentConnection::new();
4695
4696        let (conversation_view, cx) =
4697            setup_conversation_view(StubAgentServer::new(connection), cx).await;
4698        add_to_workspace(conversation_view.clone(), cx);
4699
4700        let message_editor = message_editor(&conversation_view, cx);
4701        message_editor.update_in(cx, |editor, window, cx| {
4702            editor.set_text("", window, cx);
4703        });
4704
4705        let thread = cx.read(|cx| {
4706            conversation_view
4707                .read(cx)
4708                .active_thread()
4709                .unwrap()
4710                .read(cx)
4711                .thread
4712                .clone()
4713        });
4714        let entries_before = cx.read(|cx| thread.read(cx).entries().len());
4715
4716        active_thread(&conversation_view, cx).update_in(cx, |view, window, cx| {
4717            view.send(window, cx);
4718        });
4719        cx.run_until_parked();
4720
4721        let entries_after = cx.read(|cx| thread.read(cx).entries().len());
4722        assert_eq!(
4723            entries_before, entries_after,
4724            "No message should be sent when editor is empty"
4725        );
4726    }
4727
4728    #[gpui::test]
4729    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
4730        init_test(cx);
4731
4732        let connection = StubAgentConnection::new();
4733
4734        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4735            acp::ContentChunk::new("Response".into()),
4736        )]);
4737
4738        let (conversation_view, cx) =
4739            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
4740        add_to_workspace(conversation_view.clone(), cx);
4741
4742        let message_editor = message_editor(&conversation_view, cx);
4743        message_editor.update_in(cx, |editor, window, cx| {
4744            editor.set_text("Original message to edit", window, cx);
4745        });
4746        active_thread(&conversation_view, cx)
4747            .update_in(cx, |view, window, cx| view.send(window, cx));
4748
4749        cx.run_until_parked();
4750
4751        let user_message_editor = conversation_view.read_with(cx, |view, cx| {
4752            assert_eq!(
4753                view.active_thread()
4754                    .and_then(|active| active.read(cx).editing_message),
4755                None
4756            );
4757            assert_eq!(
4758                view.active_thread()
4759                    .unwrap()
4760                    .read(cx)
4761                    .thread
4762                    .read(cx)
4763                    .entries()
4764                    .len(),
4765                2
4766            );
4767
4768            view.active_thread()
4769                .map(|active| &active.read(cx).entry_view_state)
4770                .as_ref()
4771                .unwrap()
4772                .read(cx)
4773                .entry(0)
4774                .unwrap()
4775                .message_editor()
4776                .unwrap()
4777                .clone()
4778        });
4779
4780        // Focus
4781        cx.focus(&user_message_editor);
4782
4783        // Edit
4784        user_message_editor.update_in(cx, |editor, window, cx| {
4785            editor.set_text("Edited message content", window, cx);
4786        });
4787
4788        // Send
4789        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4790            acp::ContentChunk::new("New Response".into()),
4791        )]);
4792
4793        user_message_editor.update_in(cx, |_editor, window, cx| {
4794            window.dispatch_action(Box::new(Chat), cx);
4795        });
4796
4797        cx.run_until_parked();
4798
4799        conversation_view.read_with(cx, |view, cx| {
4800            assert_eq!(
4801                view.active_thread()
4802                    .and_then(|active| active.read(cx).editing_message),
4803                None
4804            );
4805
4806            let entries = view
4807                .active_thread()
4808                .unwrap()
4809                .read(cx)
4810                .thread
4811                .read(cx)
4812                .entries();
4813            assert_eq!(entries.len(), 2);
4814            assert_eq!(
4815                entries[0].to_markdown(cx),
4816                "## User\n\nEdited message content\n\n"
4817            );
4818            assert_eq!(
4819                entries[1].to_markdown(cx),
4820                "## Assistant\n\nNew Response\n\n"
4821            );
4822
4823            let entry_view_state = view
4824                .active_thread()
4825                .map(|active| &active.read(cx).entry_view_state)
4826                .unwrap();
4827            let new_editor = entry_view_state.read_with(cx, |state, _cx| {
4828                assert!(!state.entry(1).unwrap().has_content());
4829                state.entry(0).unwrap().message_editor().unwrap().clone()
4830            });
4831
4832            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
4833        })
4834    }
4835
4836    #[gpui::test]
4837    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
4838        init_test(cx);
4839
4840        let connection = StubAgentConnection::new();
4841
4842        let (conversation_view, cx) =
4843            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
4844        add_to_workspace(conversation_view.clone(), cx);
4845
4846        let message_editor = message_editor(&conversation_view, cx);
4847        message_editor.update_in(cx, |editor, window, cx| {
4848            editor.set_text("Original message to edit", window, cx);
4849        });
4850        active_thread(&conversation_view, cx)
4851            .update_in(cx, |view, window, cx| view.send(window, cx));
4852
4853        cx.run_until_parked();
4854
4855        let (user_message_editor, session_id) = conversation_view.read_with(cx, |view, cx| {
4856            let thread = view.active_thread().unwrap().read(cx).thread.read(cx);
4857            assert_eq!(thread.entries().len(), 1);
4858
4859            let editor = view
4860                .active_thread()
4861                .map(|active| &active.read(cx).entry_view_state)
4862                .as_ref()
4863                .unwrap()
4864                .read(cx)
4865                .entry(0)
4866                .unwrap()
4867                .message_editor()
4868                .unwrap()
4869                .clone();
4870
4871            (editor, thread.session_id().clone())
4872        });
4873
4874        // Focus
4875        cx.focus(&user_message_editor);
4876
4877        conversation_view.read_with(cx, |view, cx| {
4878            assert_eq!(
4879                view.active_thread()
4880                    .and_then(|active| active.read(cx).editing_message),
4881                Some(0)
4882            );
4883        });
4884
4885        // Edit
4886        user_message_editor.update_in(cx, |editor, window, cx| {
4887            editor.set_text("Edited message content", window, cx);
4888        });
4889
4890        conversation_view.read_with(cx, |view, cx| {
4891            assert_eq!(
4892                view.active_thread()
4893                    .and_then(|active| active.read(cx).editing_message),
4894                Some(0)
4895            );
4896        });
4897
4898        // Finish streaming response
4899        cx.update(|_, cx| {
4900            connection.send_update(
4901                session_id.clone(),
4902                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
4903                cx,
4904            );
4905            connection.end_turn(session_id, acp::StopReason::EndTurn);
4906        });
4907
4908        conversation_view.read_with(cx, |view, cx| {
4909            assert_eq!(
4910                view.active_thread()
4911                    .and_then(|active| active.read(cx).editing_message),
4912                Some(0)
4913            );
4914        });
4915
4916        cx.run_until_parked();
4917
4918        // Should still be editing
4919        cx.update(|window, cx| {
4920            assert!(user_message_editor.focus_handle(cx).is_focused(window));
4921            assert_eq!(
4922                conversation_view
4923                    .read(cx)
4924                    .active_thread()
4925                    .and_then(|active| active.read(cx).editing_message),
4926                Some(0)
4927            );
4928            assert_eq!(
4929                user_message_editor.read(cx).text(cx),
4930                "Edited message content"
4931            );
4932        });
4933    }
4934
4935    struct GeneratingThreadSetup {
4936        conversation_view: Entity<ConversationView>,
4937        thread: Entity<AcpThread>,
4938        message_editor: Entity<MessageEditor>,
4939    }
4940
4941    async fn setup_generating_thread(
4942        cx: &mut TestAppContext,
4943    ) -> (GeneratingThreadSetup, &mut VisualTestContext) {
4944        let connection = StubAgentConnection::new();
4945
4946        let (conversation_view, cx) =
4947            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
4948        add_to_workspace(conversation_view.clone(), cx);
4949
4950        let message_editor = message_editor(&conversation_view, cx);
4951        message_editor.update_in(cx, |editor, window, cx| {
4952            editor.set_text("Hello", window, cx);
4953        });
4954        active_thread(&conversation_view, cx)
4955            .update_in(cx, |view, window, cx| view.send(window, cx));
4956
4957        let (thread, session_id) = conversation_view.read_with(cx, |view, cx| {
4958            let thread = view
4959                .active_thread()
4960                .as_ref()
4961                .unwrap()
4962                .read(cx)
4963                .thread
4964                .clone();
4965            (thread.clone(), thread.read(cx).session_id().clone())
4966        });
4967
4968        cx.run_until_parked();
4969
4970        cx.update(|_, cx| {
4971            connection.send_update(
4972                session_id.clone(),
4973                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
4974                    "Response chunk".into(),
4975                )),
4976                cx,
4977            );
4978        });
4979
4980        cx.run_until_parked();
4981
4982        thread.read_with(cx, |thread, _cx| {
4983            assert_eq!(thread.status(), ThreadStatus::Generating);
4984        });
4985
4986        (
4987            GeneratingThreadSetup {
4988                conversation_view,
4989                thread,
4990                message_editor,
4991            },
4992            cx,
4993        )
4994    }
4995
4996    #[gpui::test]
4997    async fn test_escape_cancels_generation_from_conversation_focus(cx: &mut TestAppContext) {
4998        init_test(cx);
4999
5000        let (setup, cx) = setup_generating_thread(cx).await;
5001
5002        let focus_handle = setup
5003            .conversation_view
5004            .read_with(cx, |view, cx| view.focus_handle(cx));
5005        cx.update(|window, cx| {
5006            window.focus(&focus_handle, cx);
5007        });
5008
5009        setup.conversation_view.update_in(cx, |_, window, cx| {
5010            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5011        });
5012
5013        cx.run_until_parked();
5014
5015        setup.thread.read_with(cx, |thread, _cx| {
5016            assert_eq!(thread.status(), ThreadStatus::Idle);
5017        });
5018    }
5019
5020    #[gpui::test]
5021    async fn test_escape_cancels_generation_from_editor_focus(cx: &mut TestAppContext) {
5022        init_test(cx);
5023
5024        let (setup, cx) = setup_generating_thread(cx).await;
5025
5026        let editor_focus_handle = setup
5027            .message_editor
5028            .read_with(cx, |editor, cx| editor.focus_handle(cx));
5029        cx.update(|window, cx| {
5030            window.focus(&editor_focus_handle, cx);
5031        });
5032
5033        setup.message_editor.update_in(cx, |_, window, cx| {
5034            window.dispatch_action(editor::actions::Cancel.boxed_clone(), cx);
5035        });
5036
5037        cx.run_until_parked();
5038
5039        setup.thread.read_with(cx, |thread, _cx| {
5040            assert_eq!(thread.status(), ThreadStatus::Idle);
5041        });
5042    }
5043
5044    #[gpui::test]
5045    async fn test_escape_when_idle_is_noop(cx: &mut TestAppContext) {
5046        init_test(cx);
5047
5048        let (conversation_view, cx) =
5049            setup_conversation_view(StubAgentServer::new(StubAgentConnection::new()), cx).await;
5050        add_to_workspace(conversation_view.clone(), cx);
5051
5052        let thread = conversation_view.read_with(cx, |view, cx| {
5053            view.active_thread().unwrap().read(cx).thread.clone()
5054        });
5055
5056        thread.read_with(cx, |thread, _cx| {
5057            assert_eq!(thread.status(), ThreadStatus::Idle);
5058        });
5059
5060        let focus_handle = conversation_view.read_with(cx, |view, _cx| view.focus_handle.clone());
5061        cx.update(|window, cx| {
5062            window.focus(&focus_handle, cx);
5063        });
5064
5065        conversation_view.update_in(cx, |_, window, cx| {
5066            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5067        });
5068
5069        cx.run_until_parked();
5070
5071        thread.read_with(cx, |thread, _cx| {
5072            assert_eq!(thread.status(), ThreadStatus::Idle);
5073        });
5074    }
5075
5076    #[gpui::test]
5077    async fn test_interrupt(cx: &mut TestAppContext) {
5078        init_test(cx);
5079
5080        let connection = StubAgentConnection::new();
5081
5082        let (conversation_view, cx) =
5083            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5084        add_to_workspace(conversation_view.clone(), cx);
5085
5086        let message_editor = message_editor(&conversation_view, cx);
5087        message_editor.update_in(cx, |editor, window, cx| {
5088            editor.set_text("Message 1", window, cx);
5089        });
5090        active_thread(&conversation_view, cx)
5091            .update_in(cx, |view, window, cx| view.send(window, cx));
5092
5093        let (thread, session_id) = conversation_view.read_with(cx, |view, cx| {
5094            let thread = view.active_thread().unwrap().read(cx).thread.clone();
5095
5096            (thread.clone(), thread.read(cx).session_id().clone())
5097        });
5098
5099        cx.run_until_parked();
5100
5101        cx.update(|_, cx| {
5102            connection.send_update(
5103                session_id.clone(),
5104                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5105                    "Message 1 resp".into(),
5106                )),
5107                cx,
5108            );
5109        });
5110
5111        cx.run_until_parked();
5112
5113        thread.read_with(cx, |thread, cx| {
5114            assert_eq!(
5115                thread.to_markdown(cx),
5116                indoc::indoc! {"
5117                        ## User
5118
5119                        Message 1
5120
5121                        ## Assistant
5122
5123                        Message 1 resp
5124
5125                    "}
5126            )
5127        });
5128
5129        message_editor.update_in(cx, |editor, window, cx| {
5130            editor.set_text("Message 2", window, cx);
5131        });
5132        active_thread(&conversation_view, cx)
5133            .update_in(cx, |view, window, cx| view.interrupt_and_send(window, cx));
5134
5135        cx.update(|_, cx| {
5136            // Simulate a response sent after beginning to cancel
5137            connection.send_update(
5138                session_id.clone(),
5139                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
5140                cx,
5141            );
5142        });
5143
5144        cx.run_until_parked();
5145
5146        // Last Message 1 response should appear before Message 2
5147        thread.read_with(cx, |thread, cx| {
5148            assert_eq!(
5149                thread.to_markdown(cx),
5150                indoc::indoc! {"
5151                        ## User
5152
5153                        Message 1
5154
5155                        ## Assistant
5156
5157                        Message 1 response
5158
5159                        ## User
5160
5161                        Message 2
5162
5163                    "}
5164            )
5165        });
5166
5167        cx.update(|_, cx| {
5168            connection.send_update(
5169                session_id.clone(),
5170                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5171                    "Message 2 response".into(),
5172                )),
5173                cx,
5174            );
5175            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5176        });
5177
5178        cx.run_until_parked();
5179
5180        thread.read_with(cx, |thread, cx| {
5181            assert_eq!(
5182                thread.to_markdown(cx),
5183                indoc::indoc! {"
5184                        ## User
5185
5186                        Message 1
5187
5188                        ## Assistant
5189
5190                        Message 1 response
5191
5192                        ## User
5193
5194                        Message 2
5195
5196                        ## Assistant
5197
5198                        Message 2 response
5199
5200                    "}
5201            )
5202        });
5203    }
5204
5205    #[gpui::test]
5206    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
5207        init_test(cx);
5208
5209        let connection = StubAgentConnection::new();
5210        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5211            acp::ContentChunk::new("Response".into()),
5212        )]);
5213
5214        let (conversation_view, cx) =
5215            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5216        add_to_workspace(conversation_view.clone(), cx);
5217
5218        let message_editor = message_editor(&conversation_view, cx);
5219        message_editor.update_in(cx, |editor, window, cx| {
5220            editor.set_text("Original message to edit", window, cx)
5221        });
5222        active_thread(&conversation_view, cx)
5223            .update_in(cx, |view, window, cx| view.send(window, cx));
5224        cx.run_until_parked();
5225
5226        let user_message_editor = conversation_view.read_with(cx, |conversation_view, cx| {
5227            conversation_view
5228                .active_thread()
5229                .map(|active| &active.read(cx).entry_view_state)
5230                .as_ref()
5231                .unwrap()
5232                .read(cx)
5233                .entry(0)
5234                .expect("Should have at least one entry")
5235                .message_editor()
5236                .expect("Should have message editor")
5237                .clone()
5238        });
5239
5240        cx.focus(&user_message_editor);
5241        conversation_view.read_with(cx, |view, cx| {
5242            assert_eq!(
5243                view.active_thread()
5244                    .and_then(|active| active.read(cx).editing_message),
5245                Some(0)
5246            );
5247        });
5248
5249        // Ensure to edit the focused message before proceeding otherwise, since
5250        // its content is not different from what was sent, focus will be lost.
5251        user_message_editor.update_in(cx, |editor, window, cx| {
5252            editor.set_text("Original message to edit with ", window, cx)
5253        });
5254
5255        // Create a simple buffer with some text so we can create a selection
5256        // that will then be added to the message being edited.
5257        let (workspace, project) = conversation_view.read_with(cx, |conversation_view, _cx| {
5258            (
5259                conversation_view.workspace.clone(),
5260                conversation_view.project.clone(),
5261            )
5262        });
5263        let buffer = project.update(cx, |project, cx| {
5264            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5265        });
5266
5267        workspace
5268            .update_in(cx, |workspace, window, cx| {
5269                let editor = cx.new(|cx| {
5270                    let mut editor =
5271                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5272
5273                    editor.change_selections(Default::default(), window, cx, |selections| {
5274                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5275                    });
5276
5277                    editor
5278                });
5279                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5280            })
5281            .unwrap();
5282
5283        conversation_view.update_in(cx, |view, window, cx| {
5284            assert_eq!(
5285                view.active_thread()
5286                    .and_then(|active| active.read(cx).editing_message),
5287                Some(0)
5288            );
5289            view.insert_selections(window, cx);
5290        });
5291
5292        user_message_editor.read_with(cx, |editor, cx| {
5293            let text = editor.editor().read(cx).text(cx);
5294            let expected_text = String::from("Original message to edit with selection ");
5295
5296            assert_eq!(text, expected_text);
5297        });
5298    }
5299
5300    #[gpui::test]
5301    async fn test_insert_selections(cx: &mut TestAppContext) {
5302        init_test(cx);
5303
5304        let connection = StubAgentConnection::new();
5305        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5306            acp::ContentChunk::new("Response".into()),
5307        )]);
5308
5309        let (conversation_view, cx) =
5310            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5311        add_to_workspace(conversation_view.clone(), cx);
5312
5313        let message_editor = message_editor(&conversation_view, cx);
5314        message_editor.update_in(cx, |editor, window, cx| {
5315            editor.set_text("Can you review this snippet ", window, cx)
5316        });
5317
5318        // Create a simple buffer with some text so we can create a selection
5319        // that will then be added to the message being edited.
5320        let (workspace, project) = conversation_view.read_with(cx, |conversation_view, _cx| {
5321            (
5322                conversation_view.workspace.clone(),
5323                conversation_view.project.clone(),
5324            )
5325        });
5326        let buffer = project.update(cx, |project, cx| {
5327            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5328        });
5329
5330        workspace
5331            .update_in(cx, |workspace, window, cx| {
5332                let editor = cx.new(|cx| {
5333                    let mut editor =
5334                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5335
5336                    editor.change_selections(Default::default(), window, cx, |selections| {
5337                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5338                    });
5339
5340                    editor
5341                });
5342                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5343            })
5344            .unwrap();
5345
5346        conversation_view.update_in(cx, |view, window, cx| {
5347            assert_eq!(
5348                view.active_thread()
5349                    .and_then(|active| active.read(cx).editing_message),
5350                None
5351            );
5352            view.insert_selections(window, cx);
5353        });
5354
5355        message_editor.read_with(cx, |editor, cx| {
5356            let text = editor.text(cx);
5357            let expected_txt = String::from("Can you review this snippet selection ");
5358
5359            assert_eq!(text, expected_txt);
5360        })
5361    }
5362
5363    #[gpui::test]
5364    async fn test_tool_permission_buttons_terminal_with_pattern(cx: &mut TestAppContext) {
5365        init_test(cx);
5366
5367        let tool_call_id = acp::ToolCallId::new("terminal-1");
5368        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `cargo build --release`")
5369            .kind(acp::ToolKind::Edit);
5370
5371        let permission_options = ToolPermissionContext::new(
5372            TerminalTool::NAME,
5373            vec!["cargo build --release".to_string()],
5374        )
5375        .build_permission_options();
5376
5377        let connection =
5378            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5379                tool_call_id.clone(),
5380                permission_options,
5381            )]));
5382
5383        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5384
5385        let (conversation_view, cx) =
5386            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5387
5388        // Disable notifications to avoid popup windows
5389        cx.update(|_window, cx| {
5390            AgentSettings::override_global(
5391                AgentSettings {
5392                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5393                    ..AgentSettings::get_global(cx).clone()
5394                },
5395                cx,
5396            );
5397        });
5398
5399        let message_editor = message_editor(&conversation_view, cx);
5400        message_editor.update_in(cx, |editor, window, cx| {
5401            editor.set_text("Run cargo build", window, cx);
5402        });
5403
5404        active_thread(&conversation_view, cx)
5405            .update_in(cx, |view, window, cx| view.send(window, cx));
5406
5407        cx.run_until_parked();
5408
5409        // Verify the tool call is in WaitingForConfirmation state with the expected options
5410        conversation_view.read_with(cx, |conversation_view, cx| {
5411            let thread = conversation_view
5412                .active_thread()
5413                .expect("Thread should exist")
5414                .read(cx)
5415                .thread
5416                .clone();
5417            let thread = thread.read(cx);
5418
5419            let tool_call = thread.entries().iter().find_map(|entry| {
5420                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5421                    Some(call)
5422                } else {
5423                    None
5424                }
5425            });
5426
5427            assert!(tool_call.is_some(), "Expected a tool call entry");
5428            let tool_call = tool_call.unwrap();
5429
5430            // Verify it's waiting for confirmation
5431            assert!(
5432                matches!(
5433                    tool_call.status,
5434                    acp_thread::ToolCallStatus::WaitingForConfirmation { .. }
5435                ),
5436                "Expected WaitingForConfirmation status, got {:?}",
5437                tool_call.status
5438            );
5439
5440            // Verify the options count (granularity options only, no separate Deny option)
5441            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5442                &tool_call.status
5443            {
5444                let PermissionOptions::Dropdown(choices) = options else {
5445                    panic!("Expected dropdown permission options");
5446                };
5447
5448                assert_eq!(
5449                    choices.len(),
5450                    3,
5451                    "Expected 3 permission options (granularity only)"
5452                );
5453
5454                // Verify specific button labels (now using neutral names)
5455                let labels: Vec<&str> = choices
5456                    .iter()
5457                    .map(|choice| choice.allow.name.as_ref())
5458                    .collect();
5459                assert!(
5460                    labels.contains(&"Always for terminal"),
5461                    "Missing 'Always for terminal' option"
5462                );
5463                assert!(
5464                    labels.contains(&"Always for `cargo build` commands"),
5465                    "Missing pattern option"
5466                );
5467                assert!(
5468                    labels.contains(&"Only this time"),
5469                    "Missing 'Only this time' option"
5470                );
5471            }
5472        });
5473    }
5474
5475    #[gpui::test]
5476    async fn test_tool_permission_buttons_edit_file_with_path_pattern(cx: &mut TestAppContext) {
5477        init_test(cx);
5478
5479        let tool_call_id = acp::ToolCallId::new("edit-file-1");
5480        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Edit `src/main.rs`")
5481            .kind(acp::ToolKind::Edit);
5482
5483        let permission_options =
5484            ToolPermissionContext::new(EditFileTool::NAME, vec!["src/main.rs".to_string()])
5485                .build_permission_options();
5486
5487        let connection =
5488            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5489                tool_call_id.clone(),
5490                permission_options,
5491            )]));
5492
5493        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5494
5495        let (conversation_view, cx) =
5496            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5497
5498        // Disable notifications
5499        cx.update(|_window, cx| {
5500            AgentSettings::override_global(
5501                AgentSettings {
5502                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5503                    ..AgentSettings::get_global(cx).clone()
5504                },
5505                cx,
5506            );
5507        });
5508
5509        let message_editor = message_editor(&conversation_view, cx);
5510        message_editor.update_in(cx, |editor, window, cx| {
5511            editor.set_text("Edit the main file", window, cx);
5512        });
5513
5514        active_thread(&conversation_view, cx)
5515            .update_in(cx, |view, window, cx| view.send(window, cx));
5516
5517        cx.run_until_parked();
5518
5519        // Verify the options
5520        conversation_view.read_with(cx, |conversation_view, cx| {
5521            let thread = conversation_view
5522                .active_thread()
5523                .expect("Thread should exist")
5524                .read(cx)
5525                .thread
5526                .clone();
5527            let thread = thread.read(cx);
5528
5529            let tool_call = thread.entries().iter().find_map(|entry| {
5530                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5531                    Some(call)
5532                } else {
5533                    None
5534                }
5535            });
5536
5537            assert!(tool_call.is_some(), "Expected a tool call entry");
5538            let tool_call = tool_call.unwrap();
5539
5540            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5541                &tool_call.status
5542            {
5543                let PermissionOptions::Dropdown(choices) = options else {
5544                    panic!("Expected dropdown permission options");
5545                };
5546
5547                let labels: Vec<&str> = choices
5548                    .iter()
5549                    .map(|choice| choice.allow.name.as_ref())
5550                    .collect();
5551                assert!(
5552                    labels.contains(&"Always for edit file"),
5553                    "Missing 'Always for edit file' option"
5554                );
5555                assert!(
5556                    labels.contains(&"Always for `src/`"),
5557                    "Missing path pattern option"
5558                );
5559            } else {
5560                panic!("Expected WaitingForConfirmation status");
5561            }
5562        });
5563    }
5564
5565    #[gpui::test]
5566    async fn test_tool_permission_buttons_fetch_with_domain_pattern(cx: &mut TestAppContext) {
5567        init_test(cx);
5568
5569        let tool_call_id = acp::ToolCallId::new("fetch-1");
5570        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Fetch `https://docs.rs/gpui`")
5571            .kind(acp::ToolKind::Fetch);
5572
5573        let permission_options =
5574            ToolPermissionContext::new(FetchTool::NAME, vec!["https://docs.rs/gpui".to_string()])
5575                .build_permission_options();
5576
5577        let connection =
5578            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5579                tool_call_id.clone(),
5580                permission_options,
5581            )]));
5582
5583        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5584
5585        let (conversation_view, cx) =
5586            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5587
5588        // Disable notifications
5589        cx.update(|_window, cx| {
5590            AgentSettings::override_global(
5591                AgentSettings {
5592                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5593                    ..AgentSettings::get_global(cx).clone()
5594                },
5595                cx,
5596            );
5597        });
5598
5599        let message_editor = message_editor(&conversation_view, cx);
5600        message_editor.update_in(cx, |editor, window, cx| {
5601            editor.set_text("Fetch the docs", window, cx);
5602        });
5603
5604        active_thread(&conversation_view, cx)
5605            .update_in(cx, |view, window, cx| view.send(window, cx));
5606
5607        cx.run_until_parked();
5608
5609        // Verify the options
5610        conversation_view.read_with(cx, |conversation_view, cx| {
5611            let thread = conversation_view
5612                .active_thread()
5613                .expect("Thread should exist")
5614                .read(cx)
5615                .thread
5616                .clone();
5617            let thread = thread.read(cx);
5618
5619            let tool_call = thread.entries().iter().find_map(|entry| {
5620                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5621                    Some(call)
5622                } else {
5623                    None
5624                }
5625            });
5626
5627            assert!(tool_call.is_some(), "Expected a tool call entry");
5628            let tool_call = tool_call.unwrap();
5629
5630            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5631                &tool_call.status
5632            {
5633                let PermissionOptions::Dropdown(choices) = options else {
5634                    panic!("Expected dropdown permission options");
5635                };
5636
5637                let labels: Vec<&str> = choices
5638                    .iter()
5639                    .map(|choice| choice.allow.name.as_ref())
5640                    .collect();
5641                assert!(
5642                    labels.contains(&"Always for fetch"),
5643                    "Missing 'Always for fetch' option"
5644                );
5645                assert!(
5646                    labels.contains(&"Always for `docs.rs`"),
5647                    "Missing domain pattern option"
5648                );
5649            } else {
5650                panic!("Expected WaitingForConfirmation status");
5651            }
5652        });
5653    }
5654
5655    #[gpui::test]
5656    async fn test_tool_permission_buttons_without_pattern(cx: &mut TestAppContext) {
5657        init_test(cx);
5658
5659        let tool_call_id = acp::ToolCallId::new("terminal-no-pattern-1");
5660        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `./deploy.sh --production`")
5661            .kind(acp::ToolKind::Edit);
5662
5663        // No pattern button since ./deploy.sh doesn't match the alphanumeric pattern
5664        let permission_options = ToolPermissionContext::new(
5665            TerminalTool::NAME,
5666            vec!["./deploy.sh --production".to_string()],
5667        )
5668        .build_permission_options();
5669
5670        let connection =
5671            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5672                tool_call_id.clone(),
5673                permission_options,
5674            )]));
5675
5676        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5677
5678        let (conversation_view, cx) =
5679            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5680
5681        // Disable notifications
5682        cx.update(|_window, cx| {
5683            AgentSettings::override_global(
5684                AgentSettings {
5685                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5686                    ..AgentSettings::get_global(cx).clone()
5687                },
5688                cx,
5689            );
5690        });
5691
5692        let message_editor = message_editor(&conversation_view, cx);
5693        message_editor.update_in(cx, |editor, window, cx| {
5694            editor.set_text("Run the deploy script", window, cx);
5695        });
5696
5697        active_thread(&conversation_view, cx)
5698            .update_in(cx, |view, window, cx| view.send(window, cx));
5699
5700        cx.run_until_parked();
5701
5702        // Verify only 2 options (no pattern button when command doesn't match pattern)
5703        conversation_view.read_with(cx, |conversation_view, cx| {
5704            let thread = conversation_view
5705                .active_thread()
5706                .expect("Thread should exist")
5707                .read(cx)
5708                .thread
5709                .clone();
5710            let thread = thread.read(cx);
5711
5712            let tool_call = thread.entries().iter().find_map(|entry| {
5713                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5714                    Some(call)
5715                } else {
5716                    None
5717                }
5718            });
5719
5720            assert!(tool_call.is_some(), "Expected a tool call entry");
5721            let tool_call = tool_call.unwrap();
5722
5723            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5724                &tool_call.status
5725            {
5726                let PermissionOptions::Dropdown(choices) = options else {
5727                    panic!("Expected dropdown permission options");
5728                };
5729
5730                assert_eq!(
5731                    choices.len(),
5732                    2,
5733                    "Expected 2 permission options (no pattern option)"
5734                );
5735
5736                let labels: Vec<&str> = choices
5737                    .iter()
5738                    .map(|choice| choice.allow.name.as_ref())
5739                    .collect();
5740                assert!(
5741                    labels.contains(&"Always for terminal"),
5742                    "Missing 'Always for terminal' option"
5743                );
5744                assert!(
5745                    labels.contains(&"Only this time"),
5746                    "Missing 'Only this time' option"
5747                );
5748                // Should NOT contain a pattern option
5749                assert!(
5750                    !labels.iter().any(|l| l.contains("commands")),
5751                    "Should not have pattern option"
5752                );
5753            } else {
5754                panic!("Expected WaitingForConfirmation status");
5755            }
5756        });
5757    }
5758
5759    #[gpui::test]
5760    async fn test_authorize_tool_call_action_triggers_authorization(cx: &mut TestAppContext) {
5761        init_test(cx);
5762
5763        let tool_call_id = acp::ToolCallId::new("action-test-1");
5764        let tool_call =
5765            acp::ToolCall::new(tool_call_id.clone(), "Run `cargo test`").kind(acp::ToolKind::Edit);
5766
5767        let permission_options =
5768            ToolPermissionContext::new(TerminalTool::NAME, vec!["cargo test".to_string()])
5769                .build_permission_options();
5770
5771        let connection =
5772            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5773                tool_call_id.clone(),
5774                permission_options,
5775            )]));
5776
5777        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5778
5779        let (conversation_view, cx) =
5780            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5781        add_to_workspace(conversation_view.clone(), cx);
5782
5783        cx.update(|_window, cx| {
5784            AgentSettings::override_global(
5785                AgentSettings {
5786                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5787                    ..AgentSettings::get_global(cx).clone()
5788                },
5789                cx,
5790            );
5791        });
5792
5793        let message_editor = message_editor(&conversation_view, cx);
5794        message_editor.update_in(cx, |editor, window, cx| {
5795            editor.set_text("Run tests", window, cx);
5796        });
5797
5798        active_thread(&conversation_view, cx)
5799            .update_in(cx, |view, window, cx| view.send(window, cx));
5800
5801        cx.run_until_parked();
5802
5803        // Verify tool call is waiting for confirmation
5804        conversation_view.read_with(cx, |conversation_view, cx| {
5805            let tool_call = conversation_view.pending_tool_call(cx);
5806            assert!(
5807                tool_call.is_some(),
5808                "Expected a tool call waiting for confirmation"
5809            );
5810        });
5811
5812        // Dispatch the AuthorizeToolCall action (simulating dropdown menu selection)
5813        conversation_view.update_in(cx, |_, window, cx| {
5814            window.dispatch_action(
5815                crate::AuthorizeToolCall {
5816                    tool_call_id: "action-test-1".to_string(),
5817                    option_id: "allow".to_string(),
5818                    option_kind: "AllowOnce".to_string(),
5819                }
5820                .boxed_clone(),
5821                cx,
5822            );
5823        });
5824
5825        cx.run_until_parked();
5826
5827        // Verify tool call is no longer waiting for confirmation (was authorized)
5828        conversation_view.read_with(cx, |conversation_view, cx| {
5829            let tool_call = conversation_view.pending_tool_call(cx);
5830            assert!(
5831                tool_call.is_none(),
5832                "Tool call should no longer be waiting for confirmation after AuthorizeToolCall action"
5833            );
5834        });
5835    }
5836
5837    #[gpui::test]
5838    async fn test_authorize_tool_call_action_with_pattern_option(cx: &mut TestAppContext) {
5839        init_test(cx);
5840
5841        let tool_call_id = acp::ToolCallId::new("pattern-action-test-1");
5842        let tool_call =
5843            acp::ToolCall::new(tool_call_id.clone(), "Run `npm install`").kind(acp::ToolKind::Edit);
5844
5845        let permission_options =
5846            ToolPermissionContext::new(TerminalTool::NAME, vec!["npm install".to_string()])
5847                .build_permission_options();
5848
5849        let connection =
5850            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5851                tool_call_id.clone(),
5852                permission_options.clone(),
5853            )]));
5854
5855        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5856
5857        let (conversation_view, cx) =
5858            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5859        add_to_workspace(conversation_view.clone(), cx);
5860
5861        cx.update(|_window, cx| {
5862            AgentSettings::override_global(
5863                AgentSettings {
5864                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5865                    ..AgentSettings::get_global(cx).clone()
5866                },
5867                cx,
5868            );
5869        });
5870
5871        let message_editor = message_editor(&conversation_view, cx);
5872        message_editor.update_in(cx, |editor, window, cx| {
5873            editor.set_text("Install dependencies", window, cx);
5874        });
5875
5876        active_thread(&conversation_view, cx)
5877            .update_in(cx, |view, window, cx| view.send(window, cx));
5878
5879        cx.run_until_parked();
5880
5881        // Find the pattern option ID
5882        let pattern_option = match &permission_options {
5883            PermissionOptions::Dropdown(choices) => choices
5884                .iter()
5885                .find(|choice| {
5886                    choice
5887                        .allow
5888                        .option_id
5889                        .0
5890                        .starts_with("always_allow_pattern:")
5891                })
5892                .map(|choice| &choice.allow)
5893                .expect("Should have a pattern option for npm command"),
5894            _ => panic!("Expected dropdown permission options"),
5895        };
5896
5897        // Dispatch action with the pattern option (simulating "Always allow `npm` commands")
5898        conversation_view.update_in(cx, |_, window, cx| {
5899            window.dispatch_action(
5900                crate::AuthorizeToolCall {
5901                    tool_call_id: "pattern-action-test-1".to_string(),
5902                    option_id: pattern_option.option_id.0.to_string(),
5903                    option_kind: "AllowAlways".to_string(),
5904                }
5905                .boxed_clone(),
5906                cx,
5907            );
5908        });
5909
5910        cx.run_until_parked();
5911
5912        // Verify tool call was authorized
5913        conversation_view.read_with(cx, |conversation_view, cx| {
5914            let tool_call = conversation_view.pending_tool_call(cx);
5915            assert!(
5916                tool_call.is_none(),
5917                "Tool call should be authorized after selecting pattern option"
5918            );
5919        });
5920    }
5921
5922    #[gpui::test]
5923    async fn test_deny_button_uses_selected_granularity(cx: &mut TestAppContext) {
5924        init_test(cx);
5925
5926        let tool_call_id = acp::ToolCallId::new("deny-granularity-test-1");
5927        let tool_call =
5928            acp::ToolCall::new(tool_call_id.clone(), "Run `git push`").kind(acp::ToolKind::Edit);
5929
5930        let permission_options =
5931            ToolPermissionContext::new(TerminalTool::NAME, vec!["git push".to_string()])
5932                .build_permission_options();
5933
5934        let connection =
5935            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5936                tool_call_id.clone(),
5937                permission_options.clone(),
5938            )]));
5939
5940        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5941
5942        let (conversation_view, cx) =
5943            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5944        add_to_workspace(conversation_view.clone(), cx);
5945
5946        cx.update(|_window, cx| {
5947            AgentSettings::override_global(
5948                AgentSettings {
5949                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5950                    ..AgentSettings::get_global(cx).clone()
5951                },
5952                cx,
5953            );
5954        });
5955
5956        let message_editor = message_editor(&conversation_view, cx);
5957        message_editor.update_in(cx, |editor, window, cx| {
5958            editor.set_text("Push changes", window, cx);
5959        });
5960
5961        active_thread(&conversation_view, cx)
5962            .update_in(cx, |view, window, cx| view.send(window, cx));
5963
5964        cx.run_until_parked();
5965
5966        // Use default granularity (last option = "Only this time")
5967        // Simulate clicking the Deny button
5968        active_thread(&conversation_view, cx).update_in(cx, |view, window, cx| {
5969            view.reject_once(&RejectOnce, window, cx)
5970        });
5971
5972        cx.run_until_parked();
5973
5974        // Verify tool call was rejected (no longer waiting for confirmation)
5975        conversation_view.read_with(cx, |conversation_view, cx| {
5976            let tool_call = conversation_view.pending_tool_call(cx);
5977            assert!(
5978                tool_call.is_none(),
5979                "Tool call should be rejected after Deny"
5980            );
5981        });
5982    }
5983
5984    #[gpui::test]
5985    async fn test_option_id_transformation_for_allow() {
5986        let permission_options = ToolPermissionContext::new(
5987            TerminalTool::NAME,
5988            vec!["cargo build --release".to_string()],
5989        )
5990        .build_permission_options();
5991
5992        let PermissionOptions::Dropdown(choices) = permission_options else {
5993            panic!("Expected dropdown permission options");
5994        };
5995
5996        let allow_ids: Vec<String> = choices
5997            .iter()
5998            .map(|choice| choice.allow.option_id.0.to_string())
5999            .collect();
6000
6001        assert!(allow_ids.contains(&"always_allow:terminal".to_string()));
6002        assert!(allow_ids.contains(&"allow".to_string()));
6003        assert!(
6004            allow_ids
6005                .iter()
6006                .any(|id| id.starts_with("always_allow_pattern:terminal\n")),
6007            "Missing allow pattern option"
6008        );
6009    }
6010
6011    #[gpui::test]
6012    async fn test_option_id_transformation_for_deny() {
6013        let permission_options = ToolPermissionContext::new(
6014            TerminalTool::NAME,
6015            vec!["cargo build --release".to_string()],
6016        )
6017        .build_permission_options();
6018
6019        let PermissionOptions::Dropdown(choices) = permission_options else {
6020            panic!("Expected dropdown permission options");
6021        };
6022
6023        let deny_ids: Vec<String> = choices
6024            .iter()
6025            .map(|choice| choice.deny.option_id.0.to_string())
6026            .collect();
6027
6028        assert!(deny_ids.contains(&"always_deny:terminal".to_string()));
6029        assert!(deny_ids.contains(&"deny".to_string()));
6030        assert!(
6031            deny_ids
6032                .iter()
6033                .any(|id| id.starts_with("always_deny_pattern:terminal\n")),
6034            "Missing deny pattern option"
6035        );
6036    }
6037
6038    #[gpui::test]
6039    async fn test_manually_editing_title_updates_acp_thread_title(cx: &mut TestAppContext) {
6040        init_test(cx);
6041
6042        let (conversation_view, cx) =
6043            setup_conversation_view(StubAgentServer::default_response(), cx).await;
6044        add_to_workspace(conversation_view.clone(), cx);
6045
6046        let active = active_thread(&conversation_view, cx);
6047        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6048        let thread = cx.read(|cx| active.read(cx).thread.clone());
6049
6050        title_editor.read_with(cx, |editor, cx| {
6051            assert!(!editor.read_only(cx));
6052        });
6053
6054        cx.focus(&conversation_view);
6055        cx.focus(&title_editor);
6056
6057        cx.dispatch_action(editor::actions::DeleteLine);
6058        cx.simulate_input("My Custom Title");
6059
6060        cx.run_until_parked();
6061
6062        title_editor.read_with(cx, |editor, cx| {
6063            assert_eq!(editor.text(cx), "My Custom Title");
6064        });
6065        thread.read_with(cx, |thread, _cx| {
6066            assert_eq!(thread.title().as_ref(), "My Custom Title");
6067        });
6068    }
6069
6070    #[gpui::test]
6071    async fn test_title_editor_is_read_only_when_set_title_unsupported(cx: &mut TestAppContext) {
6072        init_test(cx);
6073
6074        let (conversation_view, cx) =
6075            setup_conversation_view(StubAgentServer::new(ResumeOnlyAgentConnection), cx).await;
6076
6077        let active = active_thread(&conversation_view, cx);
6078        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6079
6080        title_editor.read_with(cx, |editor, cx| {
6081            assert!(
6082                editor.read_only(cx),
6083                "Title editor should be read-only when the connection does not support set_title"
6084            );
6085        });
6086    }
6087
6088    #[gpui::test]
6089    async fn test_max_tokens_error_is_rendered(cx: &mut TestAppContext) {
6090        init_test(cx);
6091
6092        let connection = StubAgentConnection::new();
6093
6094        let (conversation_view, cx) =
6095            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
6096
6097        let message_editor = message_editor(&conversation_view, cx);
6098        message_editor.update_in(cx, |editor, window, cx| {
6099            editor.set_text("Some prompt", window, cx);
6100        });
6101        active_thread(&conversation_view, cx)
6102            .update_in(cx, |view, window, cx| view.send(window, cx));
6103
6104        let session_id = conversation_view.read_with(cx, |view, cx| {
6105            view.active_thread()
6106                .unwrap()
6107                .read(cx)
6108                .thread
6109                .read(cx)
6110                .session_id()
6111                .clone()
6112        });
6113
6114        cx.run_until_parked();
6115
6116        cx.update(|_, _cx| {
6117            connection.end_turn(session_id, acp::StopReason::MaxTokens);
6118        });
6119
6120        cx.run_until_parked();
6121
6122        conversation_view.read_with(cx, |conversation_view, cx| {
6123            let state = conversation_view.active_thread().unwrap();
6124            let error = &state.read(cx).thread_error;
6125            match error {
6126                Some(ThreadError::Other { message, .. }) => {
6127                    assert!(
6128                        message.contains("Max tokens reached"),
6129                        "Expected 'Max tokens reached' error, got: {}",
6130                        message
6131                    );
6132                }
6133                other => panic!(
6134                    "Expected ThreadError::Other with 'Max tokens reached', got: {:?}",
6135                    other.is_some()
6136                ),
6137            }
6138        });
6139    }
6140
6141    fn create_test_acp_thread(
6142        parent_session_id: Option<acp::SessionId>,
6143        session_id: &str,
6144        connection: Rc<dyn AgentConnection>,
6145        project: Entity<Project>,
6146        cx: &mut App,
6147    ) -> Entity<AcpThread> {
6148        let action_log = cx.new(|_| ActionLog::new(project.clone()));
6149        cx.new(|cx| {
6150            AcpThread::new(
6151                parent_session_id,
6152                "Test Thread",
6153                None,
6154                connection,
6155                project,
6156                action_log,
6157                acp::SessionId::new(session_id),
6158                watch::Receiver::constant(acp::PromptCapabilities::new()),
6159                cx,
6160            )
6161        })
6162    }
6163
6164    fn request_test_tool_authorization(
6165        thread: &Entity<AcpThread>,
6166        tool_call_id: &str,
6167        option_id: &str,
6168        cx: &mut TestAppContext,
6169    ) -> Task<acp::RequestPermissionOutcome> {
6170        let tool_call_id = acp::ToolCallId::new(tool_call_id);
6171        let label = format!("Tool {tool_call_id}");
6172        let option_id = acp::PermissionOptionId::new(option_id);
6173        cx.update(|cx| {
6174            thread.update(cx, |thread, cx| {
6175                thread
6176                    .request_tool_call_authorization(
6177                        acp::ToolCall::new(tool_call_id, label)
6178                            .kind(acp::ToolKind::Edit)
6179                            .into(),
6180                        PermissionOptions::Flat(vec![acp::PermissionOption::new(
6181                            option_id,
6182                            "Allow",
6183                            acp::PermissionOptionKind::AllowOnce,
6184                        )]),
6185                        cx,
6186                    )
6187                    .unwrap()
6188            })
6189        })
6190    }
6191
6192    #[gpui::test]
6193    async fn test_conversation_multiple_tool_calls_fifo_ordering(cx: &mut TestAppContext) {
6194        init_test(cx);
6195
6196        let fs = FakeFs::new(cx.executor());
6197        let project = Project::test(fs, [], cx).await;
6198        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6199
6200        let (thread, conversation) = cx.update(|cx| {
6201            let thread =
6202                create_test_acp_thread(None, "session-1", connection.clone(), project.clone(), cx);
6203            let conversation = cx.new(|cx| {
6204                let mut conversation = Conversation::default();
6205                conversation.register_thread(thread.clone(), cx);
6206                conversation
6207            });
6208            (thread, conversation)
6209        });
6210
6211        let _task1 = request_test_tool_authorization(&thread, "tc-1", "allow-1", cx);
6212        let _task2 = request_test_tool_authorization(&thread, "tc-2", "allow-2", cx);
6213
6214        cx.read(|cx| {
6215            let session_id = acp::SessionId::new("session-1");
6216            let (_, tool_call_id, _) = conversation
6217                .read(cx)
6218                .pending_tool_call(&session_id, cx)
6219                .expect("Expected a pending tool call");
6220            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-1"));
6221        });
6222
6223        cx.update(|cx| {
6224            conversation.update(cx, |conversation, cx| {
6225                conversation.authorize_tool_call(
6226                    acp::SessionId::new("session-1"),
6227                    acp::ToolCallId::new("tc-1"),
6228                    acp::PermissionOptionId::new("allow-1"),
6229                    acp::PermissionOptionKind::AllowOnce,
6230                    cx,
6231                );
6232            });
6233        });
6234
6235        cx.run_until_parked();
6236
6237        cx.read(|cx| {
6238            let session_id = acp::SessionId::new("session-1");
6239            let (_, tool_call_id, _) = conversation
6240                .read(cx)
6241                .pending_tool_call(&session_id, cx)
6242                .expect("Expected tc-2 to be pending after tc-1 was authorized");
6243            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-2"));
6244        });
6245
6246        cx.update(|cx| {
6247            conversation.update(cx, |conversation, cx| {
6248                conversation.authorize_tool_call(
6249                    acp::SessionId::new("session-1"),
6250                    acp::ToolCallId::new("tc-2"),
6251                    acp::PermissionOptionId::new("allow-2"),
6252                    acp::PermissionOptionKind::AllowOnce,
6253                    cx,
6254                );
6255            });
6256        });
6257
6258        cx.run_until_parked();
6259
6260        cx.read(|cx| {
6261            let session_id = acp::SessionId::new("session-1");
6262            assert!(
6263                conversation
6264                    .read(cx)
6265                    .pending_tool_call(&session_id, cx)
6266                    .is_none(),
6267                "Expected no pending tool calls after both were authorized"
6268            );
6269        });
6270    }
6271
6272    #[gpui::test]
6273    async fn test_conversation_subagent_scoped_pending_tool_call(cx: &mut TestAppContext) {
6274        init_test(cx);
6275
6276        let fs = FakeFs::new(cx.executor());
6277        let project = Project::test(fs, [], cx).await;
6278        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6279
6280        let (parent_thread, subagent_thread, conversation) = cx.update(|cx| {
6281            let parent_thread =
6282                create_test_acp_thread(None, "parent", connection.clone(), project.clone(), cx);
6283            let subagent_thread = create_test_acp_thread(
6284                Some(acp::SessionId::new("parent")),
6285                "subagent",
6286                connection.clone(),
6287                project.clone(),
6288                cx,
6289            );
6290            let conversation = cx.new(|cx| {
6291                let mut conversation = Conversation::default();
6292                conversation.register_thread(parent_thread.clone(), cx);
6293                conversation.register_thread(subagent_thread.clone(), cx);
6294                conversation
6295            });
6296            (parent_thread, subagent_thread, conversation)
6297        });
6298
6299        let _parent_task =
6300            request_test_tool_authorization(&parent_thread, "parent-tc", "allow-parent", cx);
6301        let _subagent_task =
6302            request_test_tool_authorization(&subagent_thread, "subagent-tc", "allow-subagent", cx);
6303
6304        // Querying with the subagent's session ID returns only the
6305        // subagent's own tool call (subagent path is scoped to its session)
6306        cx.read(|cx| {
6307            let subagent_id = acp::SessionId::new("subagent");
6308            let (session_id, tool_call_id, _) = conversation
6309                .read(cx)
6310                .pending_tool_call(&subagent_id, cx)
6311                .expect("Expected subagent's pending tool call");
6312            assert_eq!(session_id, acp::SessionId::new("subagent"));
6313            assert_eq!(tool_call_id, acp::ToolCallId::new("subagent-tc"));
6314        });
6315
6316        // Querying with the parent's session ID returns the first pending
6317        // request in FIFO order across all sessions
6318        cx.read(|cx| {
6319            let parent_id = acp::SessionId::new("parent");
6320            let (session_id, tool_call_id, _) = conversation
6321                .read(cx)
6322                .pending_tool_call(&parent_id, cx)
6323                .expect("Expected a pending tool call from parent query");
6324            assert_eq!(session_id, acp::SessionId::new("parent"));
6325            assert_eq!(tool_call_id, acp::ToolCallId::new("parent-tc"));
6326        });
6327    }
6328
6329    #[gpui::test]
6330    async fn test_conversation_parent_pending_tool_call_returns_first_across_threads(
6331        cx: &mut TestAppContext,
6332    ) {
6333        init_test(cx);
6334
6335        let fs = FakeFs::new(cx.executor());
6336        let project = Project::test(fs, [], cx).await;
6337        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6338
6339        let (thread_a, thread_b, conversation) = cx.update(|cx| {
6340            let thread_a =
6341                create_test_acp_thread(None, "thread-a", connection.clone(), project.clone(), cx);
6342            let thread_b =
6343                create_test_acp_thread(None, "thread-b", connection.clone(), project.clone(), cx);
6344            let conversation = cx.new(|cx| {
6345                let mut conversation = Conversation::default();
6346                conversation.register_thread(thread_a.clone(), cx);
6347                conversation.register_thread(thread_b.clone(), cx);
6348                conversation
6349            });
6350            (thread_a, thread_b, conversation)
6351        });
6352
6353        let _task_a = request_test_tool_authorization(&thread_a, "tc-a", "allow-a", cx);
6354        let _task_b = request_test_tool_authorization(&thread_b, "tc-b", "allow-b", cx);
6355
6356        // Both threads are non-subagent, so pending_tool_call always returns
6357        // the first entry from permission_requests (FIFO across all sessions)
6358        cx.read(|cx| {
6359            let session_a = acp::SessionId::new("thread-a");
6360            let (session_id, tool_call_id, _) = conversation
6361                .read(cx)
6362                .pending_tool_call(&session_a, cx)
6363                .expect("Expected a pending tool call");
6364            assert_eq!(session_id, acp::SessionId::new("thread-a"));
6365            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
6366        });
6367
6368        // Querying with thread-b also returns thread-a's tool call,
6369        // because non-subagent queries always use permission_requests.first()
6370        cx.read(|cx| {
6371            let session_b = acp::SessionId::new("thread-b");
6372            let (session_id, tool_call_id, _) = conversation
6373                .read(cx)
6374                .pending_tool_call(&session_b, cx)
6375                .expect("Expected a pending tool call from thread-b query");
6376            assert_eq!(
6377                session_id,
6378                acp::SessionId::new("thread-a"),
6379                "Non-subagent queries always return the first pending request in FIFO order"
6380            );
6381            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
6382        });
6383
6384        // After authorizing thread-a's tool call, thread-b's becomes first
6385        cx.update(|cx| {
6386            conversation.update(cx, |conversation, cx| {
6387                conversation.authorize_tool_call(
6388                    acp::SessionId::new("thread-a"),
6389                    acp::ToolCallId::new("tc-a"),
6390                    acp::PermissionOptionId::new("allow-a"),
6391                    acp::PermissionOptionKind::AllowOnce,
6392                    cx,
6393                );
6394            });
6395        });
6396
6397        cx.run_until_parked();
6398
6399        cx.read(|cx| {
6400            let session_b = acp::SessionId::new("thread-b");
6401            let (session_id, tool_call_id, _) = conversation
6402                .read(cx)
6403                .pending_tool_call(&session_b, cx)
6404                .expect("Expected thread-b's tool call after thread-a's was authorized");
6405            assert_eq!(session_id, acp::SessionId::new("thread-b"));
6406            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-b"));
6407        });
6408    }
6409
6410    #[gpui::test]
6411    async fn test_move_queued_message_to_empty_main_editor(cx: &mut TestAppContext) {
6412        init_test(cx);
6413
6414        let (conversation_view, cx) =
6415            setup_conversation_view(StubAgentServer::default_response(), cx).await;
6416
6417        // Add a plain-text message to the queue directly.
6418        active_thread(&conversation_view, cx).update_in(cx, |thread, window, cx| {
6419            thread.add_to_queue(
6420                vec![acp::ContentBlock::Text(acp::TextContent::new(
6421                    "queued message".to_string(),
6422                ))],
6423                vec![],
6424                cx,
6425            );
6426            // Main editor must be empty for this path — it is by default, but
6427            // assert to make the precondition explicit.
6428            assert!(thread.message_editor.read(cx).is_empty(cx));
6429            thread.move_queued_message_to_main_editor(0, None, window, cx);
6430        });
6431
6432        cx.run_until_parked();
6433
6434        // Queue should now be empty.
6435        let queue_len = active_thread(&conversation_view, cx)
6436            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
6437        assert_eq!(queue_len, 0, "Queue should be empty after move");
6438
6439        // Main editor should contain the queued message text.
6440        let text = message_editor(&conversation_view, cx).update(cx, |editor, cx| editor.text(cx));
6441        assert_eq!(
6442            text, "queued message",
6443            "Main editor should contain the moved queued message"
6444        );
6445    }
6446
6447    #[gpui::test]
6448    async fn test_move_queued_message_to_non_empty_main_editor(cx: &mut TestAppContext) {
6449        init_test(cx);
6450
6451        let (conversation_view, cx) =
6452            setup_conversation_view(StubAgentServer::default_response(), cx).await;
6453
6454        // Seed the main editor with existing content.
6455        message_editor(&conversation_view, cx).update_in(cx, |editor, window, cx| {
6456            editor.set_message(
6457                vec![acp::ContentBlock::Text(acp::TextContent::new(
6458                    "existing content".to_string(),
6459                ))],
6460                window,
6461                cx,
6462            );
6463        });
6464
6465        // Add a plain-text message to the queue.
6466        active_thread(&conversation_view, cx).update_in(cx, |thread, window, cx| {
6467            thread.add_to_queue(
6468                vec![acp::ContentBlock::Text(acp::TextContent::new(
6469                    "queued message".to_string(),
6470                ))],
6471                vec![],
6472                cx,
6473            );
6474            thread.move_queued_message_to_main_editor(0, None, window, cx);
6475        });
6476
6477        cx.run_until_parked();
6478
6479        // Queue should now be empty.
6480        let queue_len = active_thread(&conversation_view, cx)
6481            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
6482        assert_eq!(queue_len, 0, "Queue should be empty after move");
6483
6484        // Main editor should contain existing content + separator + queued content.
6485        let text = message_editor(&conversation_view, cx).update(cx, |editor, cx| editor.text(cx));
6486        assert_eq!(
6487            text, "existing content\n\nqueued message",
6488            "Main editor should have existing content and queued message separated by two newlines"
6489        );
6490    }
6491
6492    #[gpui::test]
6493    async fn test_close_all_sessions_skips_when_unsupported(cx: &mut TestAppContext) {
6494        init_test(cx);
6495
6496        let fs = FakeFs::new(cx.executor());
6497        let project = Project::test(fs, [], cx).await;
6498        let (multi_workspace, cx) =
6499            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
6500        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
6501
6502        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
6503        let connection_store =
6504            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
6505
6506        // StubAgentConnection defaults to supports_close_session() -> false
6507        let conversation_view = cx.update(|window, cx| {
6508            cx.new(|cx| {
6509                ConversationView::new(
6510                    Rc::new(StubAgentServer::default_response()),
6511                    connection_store,
6512                    Agent::Custom { id: "Test".into() },
6513                    None,
6514                    None,
6515                    None,
6516                    None,
6517                    workspace.downgrade(),
6518                    project,
6519                    Some(thread_store),
6520                    None,
6521                    window,
6522                    cx,
6523                )
6524            })
6525        });
6526
6527        cx.run_until_parked();
6528
6529        conversation_view.read_with(cx, |view, _cx| {
6530            let connected = view.as_connected().expect("Should be connected");
6531            assert!(
6532                !connected.threads.is_empty(),
6533                "There should be at least one thread"
6534            );
6535            assert!(
6536                !connected.connection.supports_close_session(),
6537                "StubAgentConnection should not support close"
6538            );
6539        });
6540
6541        conversation_view
6542            .update(cx, |view, cx| {
6543                view.as_connected()
6544                    .expect("Should be connected")
6545                    .close_all_sessions(cx)
6546            })
6547            .await;
6548    }
6549
6550    #[gpui::test]
6551    async fn test_close_all_sessions_calls_close_when_supported(cx: &mut TestAppContext) {
6552        init_test(cx);
6553
6554        let (conversation_view, cx) =
6555            setup_conversation_view(StubAgentServer::new(CloseCapableConnection::new()), cx).await;
6556
6557        cx.run_until_parked();
6558
6559        let close_capable = conversation_view.read_with(cx, |view, _cx| {
6560            let connected = view.as_connected().expect("Should be connected");
6561            assert!(
6562                !connected.threads.is_empty(),
6563                "There should be at least one thread"
6564            );
6565            assert!(
6566                connected.connection.supports_close_session(),
6567                "CloseCapableConnection should support close"
6568            );
6569            connected
6570                .connection
6571                .clone()
6572                .into_any()
6573                .downcast::<CloseCapableConnection>()
6574                .expect("Should be CloseCapableConnection")
6575        });
6576
6577        conversation_view
6578            .update(cx, |view, cx| {
6579                view.as_connected()
6580                    .expect("Should be connected")
6581                    .close_all_sessions(cx)
6582            })
6583            .await;
6584
6585        let closed_count = close_capable.closed_sessions.lock().len();
6586        assert!(
6587            closed_count > 0,
6588            "close_session should have been called for each thread"
6589        );
6590    }
6591
6592    #[gpui::test]
6593    async fn test_close_session_returns_error_when_unsupported(cx: &mut TestAppContext) {
6594        init_test(cx);
6595
6596        let (conversation_view, cx) =
6597            setup_conversation_view(StubAgentServer::default_response(), cx).await;
6598
6599        cx.run_until_parked();
6600
6601        let result = conversation_view
6602            .update(cx, |view, cx| {
6603                let connected = view.as_connected().expect("Should be connected");
6604                assert!(
6605                    !connected.connection.supports_close_session(),
6606                    "StubAgentConnection should not support close"
6607                );
6608                let session_id = connected
6609                    .threads
6610                    .keys()
6611                    .next()
6612                    .expect("Should have at least one thread")
6613                    .clone();
6614                connected.connection.clone().close_session(&session_id, cx)
6615            })
6616            .await;
6617
6618        assert!(
6619            result.is_err(),
6620            "close_session should return an error when close is not supported"
6621        );
6622        assert!(
6623            result.unwrap_err().to_string().contains("not supported"),
6624            "Error message should indicate that closing is not supported"
6625        );
6626    }
6627
6628    #[derive(Clone)]
6629    struct CloseCapableConnection {
6630        closed_sessions: Arc<Mutex<Vec<acp::SessionId>>>,
6631    }
6632
6633    impl CloseCapableConnection {
6634        fn new() -> Self {
6635            Self {
6636                closed_sessions: Arc::new(Mutex::new(Vec::new())),
6637            }
6638        }
6639    }
6640
6641    impl AgentConnection for CloseCapableConnection {
6642        fn agent_id(&self) -> AgentId {
6643            AgentId::new("close-capable")
6644        }
6645
6646        fn telemetry_id(&self) -> SharedString {
6647            "close-capable".into()
6648        }
6649
6650        fn new_session(
6651            self: Rc<Self>,
6652            project: Entity<Project>,
6653            work_dirs: PathList,
6654            cx: &mut gpui::App,
6655        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6656            let action_log = cx.new(|_| ActionLog::new(project.clone()));
6657            let thread = cx.new(|cx| {
6658                AcpThread::new(
6659                    None,
6660                    "CloseCapableConnection",
6661                    Some(work_dirs),
6662                    self,
6663                    project,
6664                    action_log,
6665                    SessionId::new("close-capable-session"),
6666                    watch::Receiver::constant(
6667                        acp::PromptCapabilities::new()
6668                            .image(true)
6669                            .audio(true)
6670                            .embedded_context(true),
6671                    ),
6672                    cx,
6673                )
6674            });
6675            Task::ready(Ok(thread))
6676        }
6677
6678        fn supports_close_session(&self) -> bool {
6679            true
6680        }
6681
6682        fn close_session(
6683            self: Rc<Self>,
6684            session_id: &acp::SessionId,
6685            _cx: &mut App,
6686        ) -> Task<Result<()>> {
6687            self.closed_sessions.lock().push(session_id.clone());
6688            Task::ready(Ok(()))
6689        }
6690
6691        fn auth_methods(&self) -> &[acp::AuthMethod] {
6692            &[]
6693        }
6694
6695        fn authenticate(
6696            &self,
6697            _method_id: acp::AuthMethodId,
6698            _cx: &mut App,
6699        ) -> Task<gpui::Result<()>> {
6700            Task::ready(Ok(()))
6701        }
6702
6703        fn prompt(
6704            &self,
6705            _id: Option<acp_thread::UserMessageId>,
6706            _params: acp::PromptRequest,
6707            _cx: &mut App,
6708        ) -> Task<gpui::Result<acp::PromptResponse>> {
6709            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
6710        }
6711
6712        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
6713
6714        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6715            self
6716        }
6717    }
6718}