conversation_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentSessionInfo, AgentThreadEntry, AssistantMessage,
   3    AssistantMessageChunk, AuthRequired, LoadError, MaxOutputTokensError, MentionUri,
   4    PermissionOptionChoice, PermissionOptions, PermissionPattern, RetryStatus,
   5    SelectedPermissionOutcome, ThreadStatus, ToolCall, ToolCallContent, ToolCallStatus,
   6    UserMessageId,
   7};
   8use acp_thread::{AgentConnection, Plan};
   9use action_log::{ActionLog, ActionLogTelemetry, DiffStats};
  10use agent::{
  11    NativeAgentServer, NativeAgentSessionList, NoModelConfiguredError, SharedThread, ThreadStore,
  12};
  13use agent_client_protocol::schema as acp;
  14#[cfg(test)]
  15use agent_servers::AgentServerDelegate;
  16use agent_servers::{AgentServer, GEMINI_TERMINAL_AUTH_METHOD_ID};
  17use agent_settings::{AgentProfileId, AgentSettings};
  18use anyhow::{Result, anyhow};
  19#[cfg(feature = "audio")]
  20use audio::{Audio, Sound};
  21use buffer_diff::BufferDiff;
  22use client::zed_urls;
  23use collections::{HashMap, HashSet, IndexMap};
  24use editor::scroll::Autoscroll;
  25use editor::{
  26    Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects, SizingBehavior,
  27};
  28use feature_flags::{AgentSharingFeatureFlag, FeatureFlagAppExt as _};
  29use file_icons::FileIcons;
  30use fs::Fs;
  31use futures::FutureExt as _;
  32use gpui::{
  33    Action, Animation, AnimationExt, AnyView, App, ClickEvent, ClipboardItem, CursorStyle,
  34    ElementId, Empty, Entity, EventEmitter, FocusHandle, Focusable, Hsla, ListOffset, ListState,
  35    ObjectFit, PlatformDisplay, ScrollHandle, SharedString, Subscription, Task, TextStyle,
  36    WeakEntity, Window, WindowHandle, div, ease_in_out, img, linear_color_stop, linear_gradient,
  37    list, point, pulsating_between,
  38};
  39use language::Buffer;
  40use language_model::{LanguageModelCompletionError, LanguageModelRegistry};
  41use markdown::{Markdown, MarkdownElement, MarkdownFont, MarkdownStyle};
  42use parking_lot::RwLock;
  43use project::{AgentId, AgentServerStore, Project, ProjectEntryId};
  44use prompt_store::{PromptId, PromptStore};
  45
  46use crate::DEFAULT_THREAD_TITLE;
  47use crate::message_editor::SessionCapabilities;
  48use rope::Point;
  49use settings::{
  50    NewThreadLocation, NotifyWhenAgentWaiting, Settings as _, SettingsStore, SidebarSide,
  51    ThinkingBlockDisplay,
  52};
  53use std::path::Path;
  54use std::sync::Arc;
  55use std::time::Instant;
  56use std::{collections::BTreeMap, rc::Rc, time::Duration};
  57use terminal_view::terminal_panel::TerminalPanel;
  58use text::Anchor;
  59use theme_settings::{AgentBufferFontSize, AgentUiFontSize};
  60use ui::{
  61    Callout, CircularProgress, CommonAnimationExt, ContextMenu, ContextMenuEntry, CopyButton,
  62    DecoratedIcon, DiffStat, Disclosure, Divider, DividerColor, IconDecoration, IconDecorationKind,
  63    KeyBinding, PopoverMenu, PopoverMenuHandle, TintColor, Tooltip, WithScrollbar, prelude::*,
  64    right_click_menu,
  65};
  66use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  67use util::{debug_panic, defer};
  68use workspace::PathList;
  69use workspace::{
  70    CollaboratorId, MultiWorkspace, NewTerminal, Toast, Workspace, notifications::NotificationId,
  71};
  72use zed_actions::agent::{Chat, ToggleModelSelector};
  73use zed_actions::assistant::OpenRulesLibrary;
  74
  75use super::config_options::ConfigOptionsView;
  76use super::entry_view_state::EntryViewState;
  77use crate::ModeSelector;
  78use crate::ModelSelectorPopover;
  79use crate::agent_connection_store::{
  80    AgentConnectedState, AgentConnectionEntryEvent, AgentConnectionStore,
  81};
  82use crate::agent_diff::AgentDiff;
  83use crate::entry_view_state::{EntryViewEvent, ViewEvent};
  84use crate::message_editor::{MessageEditor, MessageEditorEvent};
  85use crate::profile_selector::{ProfileProvider, ProfileSelector};
  86
  87use crate::thread_metadata_store::{ThreadId, ThreadMetadataStore};
  88use crate::ui::{AgentNotification, AgentNotificationEvent};
  89use crate::{
  90    Agent, AgentDiffPane, AgentInitialContent, AgentPanel, AllowAlways, AllowOnce,
  91    AuthorizeToolCall, ClearMessageQueue, CycleFavoriteModels, CycleModeSelector,
  92    CycleThinkingEffort, EditFirstQueuedMessage, ExpandMessageEditor, Follow, KeepAll, NewThread,
  93    OpenAddContextMenu, OpenAgentDiff, RejectAll, RejectOnce, RemoveFirstQueuedMessage,
  94    ScrollOutputLineDown, ScrollOutputLineUp, ScrollOutputPageDown, ScrollOutputPageUp,
  95    ScrollOutputToBottom, ScrollOutputToNextMessage, ScrollOutputToPreviousMessage,
  96    ScrollOutputToTop, SendImmediately, SendNextQueuedMessage, ToggleFastMode,
  97    ToggleProfileSelector, ToggleThinkingEffortMenu, ToggleThinkingMode, UndoLastReject,
  98};
  99
 100const STOPWATCH_THRESHOLD: Duration = Duration::from_secs(30);
 101const TOKEN_THRESHOLD: u64 = 250;
 102
 103mod thread_view;
 104pub use thread_view::*;
 105
 106pub struct QueuedMessage {
 107    pub content: Vec<acp::ContentBlock>,
 108    pub tracked_buffers: Vec<Entity<Buffer>>,
 109}
 110
 111#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 112enum ThreadFeedback {
 113    Positive,
 114    Negative,
 115}
 116
 117#[derive(Debug)]
 118pub(crate) enum ThreadError {
 119    PaymentRequired,
 120    Refusal,
 121    AuthenticationRequired(SharedString),
 122    RateLimitExceeded {
 123        provider: SharedString,
 124    },
 125    ServerOverloaded {
 126        provider: SharedString,
 127    },
 128    PromptTooLarge,
 129    NoApiKey {
 130        provider: SharedString,
 131    },
 132    StreamError {
 133        provider: SharedString,
 134    },
 135    InvalidApiKey {
 136        provider: SharedString,
 137    },
 138    PermissionDenied {
 139        provider: SharedString,
 140    },
 141    RequestFailed,
 142    MaxOutputTokens,
 143    NoModelSelected,
 144    ApiError {
 145        provider: SharedString,
 146    },
 147    Other {
 148        message: SharedString,
 149        acp_error_code: Option<SharedString>,
 150    },
 151}
 152
 153impl From<anyhow::Error> for ThreadError {
 154    fn from(error: anyhow::Error) -> Self {
 155        if error.is::<MaxOutputTokensError>() {
 156            Self::MaxOutputTokens
 157        } else if error.is::<NoModelConfiguredError>() {
 158            Self::NoModelSelected
 159        } else if error.is::<language_model::PaymentRequiredError>() {
 160            Self::PaymentRequired
 161        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 162            && acp_error.code == acp::ErrorCode::AuthRequired
 163        {
 164            Self::AuthenticationRequired(acp_error.message.clone().into())
 165        } else if let Some(lm_error) = error.downcast_ref::<LanguageModelCompletionError>() {
 166            use LanguageModelCompletionError::*;
 167            match lm_error {
 168                RateLimitExceeded { provider, .. } => Self::RateLimitExceeded {
 169                    provider: provider.to_string().into(),
 170                },
 171                ServerOverloaded { provider, .. } | ApiInternalServerError { provider, .. } => {
 172                    Self::ServerOverloaded {
 173                        provider: provider.to_string().into(),
 174                    }
 175                }
 176                PromptTooLarge { .. } => Self::PromptTooLarge,
 177                NoApiKey { provider } => Self::NoApiKey {
 178                    provider: provider.to_string().into(),
 179                },
 180                StreamEndedUnexpectedly { provider }
 181                | ApiReadResponseError { provider, .. }
 182                | DeserializeResponse { provider, .. }
 183                | HttpSend { provider, .. } => Self::StreamError {
 184                    provider: provider.to_string().into(),
 185                },
 186                AuthenticationError { provider, .. } => Self::InvalidApiKey {
 187                    provider: provider.to_string().into(),
 188                },
 189                PermissionError { provider, .. } => Self::PermissionDenied {
 190                    provider: provider.to_string().into(),
 191                },
 192                UpstreamProviderError { .. } => Self::RequestFailed,
 193                BadRequestFormat { provider, .. }
 194                | HttpResponseError { provider, .. }
 195                | ApiEndpointNotFound { provider } => Self::ApiError {
 196                    provider: provider.to_string().into(),
 197                },
 198                _ => {
 199                    let message: SharedString = format!("{:#}", error).into();
 200                    Self::Other {
 201                        message,
 202                        acp_error_code: None,
 203                    }
 204                }
 205            }
 206        } else {
 207            let message: SharedString = format!("{:#}", error).into();
 208
 209            // Extract ACP error code if available
 210            let acp_error_code = error
 211                .downcast_ref::<acp::Error>()
 212                .map(|acp_error| SharedString::from(acp_error.code.to_string()));
 213
 214            Self::Other {
 215                message,
 216                acp_error_code,
 217            }
 218        }
 219    }
 220}
 221
 222impl ProfileProvider for Entity<agent::Thread> {
 223    fn profile_id(&self, cx: &App) -> AgentProfileId {
 224        self.read(cx).profile().clone()
 225    }
 226
 227    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 228        self.update(cx, |thread, cx| {
 229            // Apply the profile and let the thread swap to its default model.
 230            thread.set_profile(profile_id, cx);
 231        });
 232    }
 233
 234    fn profiles_supported(&self, cx: &App) -> bool {
 235        self.read(cx)
 236            .model()
 237            .is_some_and(|model| model.supports_tools())
 238    }
 239
 240    fn model_selected(&self, cx: &App) -> bool {
 241        self.read(cx).model().is_some()
 242    }
 243}
 244
 245#[derive(Default)]
 246pub(crate) struct Conversation {
 247    threads: HashMap<acp::SessionId, Entity<AcpThread>>,
 248    permission_requests: IndexMap<acp::SessionId, Vec<acp::ToolCallId>>,
 249    subscriptions: Vec<Subscription>,
 250    updated_at: Option<Instant>,
 251}
 252
 253impl Conversation {
 254    pub fn register_thread(&mut self, thread: Entity<AcpThread>, cx: &mut Context<Self>) {
 255        let session_id = thread.read(cx).session_id().clone();
 256        let subscription = cx.subscribe(&thread, {
 257            let session_id = session_id.clone();
 258            move |this, _thread, event, _cx| {
 259                this.updated_at = Some(Instant::now());
 260                match event {
 261                    AcpThreadEvent::ToolAuthorizationRequested(id) => {
 262                        this.permission_requests
 263                            .entry(session_id.clone())
 264                            .or_default()
 265                            .push(id.clone());
 266                    }
 267                    AcpThreadEvent::ToolAuthorizationReceived(id) => {
 268                        if let Some(tool_calls) = this.permission_requests.get_mut(&session_id) {
 269                            tool_calls.retain(|tool_call_id| tool_call_id != id);
 270                            if tool_calls.is_empty() {
 271                                this.permission_requests.shift_remove(&session_id);
 272                            }
 273                        }
 274                    }
 275                    AcpThreadEvent::NewEntry
 276                    | AcpThreadEvent::TitleUpdated
 277                    | AcpThreadEvent::TokenUsageUpdated
 278                    | AcpThreadEvent::EntryUpdated(_)
 279                    | AcpThreadEvent::EntriesRemoved(_)
 280                    | AcpThreadEvent::Retry(_)
 281                    | AcpThreadEvent::SubagentSpawned(_)
 282                    | AcpThreadEvent::Stopped(_)
 283                    | AcpThreadEvent::Error
 284                    | AcpThreadEvent::LoadError(_)
 285                    | AcpThreadEvent::PromptCapabilitiesUpdated
 286                    | AcpThreadEvent::Refusal
 287                    | AcpThreadEvent::AvailableCommandsUpdated(_)
 288                    | AcpThreadEvent::ModeUpdated(_)
 289                    | AcpThreadEvent::ConfigOptionsUpdated(_)
 290                    | AcpThreadEvent::WorkingDirectoriesUpdated
 291                    | AcpThreadEvent::PromptUpdated => {}
 292                }
 293            }
 294        });
 295        self.subscriptions.push(subscription);
 296        self.threads.insert(session_id, thread);
 297    }
 298
 299    pub fn pending_tool_call<'a>(
 300        &'a self,
 301        session_id: &acp::SessionId,
 302        cx: &'a App,
 303    ) -> Option<(acp::SessionId, acp::ToolCallId, &'a PermissionOptions)> {
 304        let thread = self.threads.get(session_id)?;
 305        let is_subagent = thread.read(cx).parent_session_id().is_some();
 306        let (result_session_id, thread, tool_id) = if is_subagent {
 307            let id = self.permission_requests.get(session_id)?.iter().next()?;
 308            (session_id.clone(), thread, id)
 309        } else {
 310            let (id, tool_calls) = self.permission_requests.first()?;
 311            let thread = self.threads.get(id)?;
 312            let tool_id = tool_calls.iter().next()?;
 313            (id.clone(), thread, tool_id)
 314        };
 315        let (_, tool_call) = thread.read(cx).tool_call(tool_id)?;
 316
 317        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
 318            return None;
 319        };
 320        Some((result_session_id, tool_id.clone(), options))
 321    }
 322
 323    pub fn subagents_awaiting_permission(&self, cx: &App) -> Vec<(acp::SessionId, usize)> {
 324        self.permission_requests
 325            .iter()
 326            .filter_map(|(session_id, tool_call_ids)| {
 327                let thread = self.threads.get(session_id)?;
 328                if thread.read(cx).parent_session_id().is_some() && !tool_call_ids.is_empty() {
 329                    Some((session_id.clone(), tool_call_ids.len()))
 330                } else {
 331                    None
 332                }
 333            })
 334            .collect()
 335    }
 336
 337    pub fn authorize_pending_tool_call(
 338        &mut self,
 339        session_id: &acp::SessionId,
 340        kind: acp::PermissionOptionKind,
 341        cx: &mut Context<Self>,
 342    ) -> Option<()> {
 343        let (authorize_session_id, tool_call_id, options) =
 344            self.pending_tool_call(session_id, cx)?;
 345        let option = options.first_option_of_kind(kind)?;
 346        self.authorize_tool_call(
 347            authorize_session_id,
 348            tool_call_id,
 349            SelectedPermissionOutcome::new(option.option_id.clone(), option.kind),
 350            cx,
 351        );
 352        Some(())
 353    }
 354
 355    pub fn authorize_tool_call(
 356        &mut self,
 357        session_id: acp::SessionId,
 358        tool_call_id: acp::ToolCallId,
 359        outcome: SelectedPermissionOutcome,
 360        cx: &mut Context<Self>,
 361    ) {
 362        let Some(thread) = self.threads.get(&session_id) else {
 363            return;
 364        };
 365        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 366        let session_id = thread.read(cx).session_id().clone();
 367
 368        telemetry::event!(
 369            "Agent Tool Call Authorized",
 370            agent = agent_telemetry_id,
 371            session = session_id,
 372            option = outcome.option_kind
 373        );
 374
 375        thread.update(cx, |thread, cx| {
 376            thread.authorize_tool_call(tool_call_id, outcome, cx);
 377        });
 378        cx.notify();
 379    }
 380
 381    fn set_work_dirs(&mut self, work_dirs: PathList, cx: &mut Context<Self>) {
 382        for thread in self.threads.values() {
 383            thread.update(cx, |thread, cx| {
 384                thread.set_work_dirs(work_dirs.clone(), cx);
 385            });
 386        }
 387    }
 388}
 389
 390pub(crate) struct RootThreadUpdated;
 391
 392impl EventEmitter<RootThreadUpdated> for ConversationView {}
 393
 394fn affects_thread_metadata(event: &AcpThreadEvent) -> bool {
 395    match event {
 396        AcpThreadEvent::NewEntry
 397        | AcpThreadEvent::TitleUpdated
 398        | AcpThreadEvent::ToolAuthorizationRequested(_)
 399        | AcpThreadEvent::ToolAuthorizationReceived(_)
 400        | AcpThreadEvent::Stopped(_)
 401        | AcpThreadEvent::Error
 402        | AcpThreadEvent::LoadError(_)
 403        | AcpThreadEvent::Refusal
 404        | AcpThreadEvent::WorkingDirectoriesUpdated => true,
 405        // --
 406        AcpThreadEvent::EntryUpdated(_)
 407        | AcpThreadEvent::EntriesRemoved(_)
 408        | AcpThreadEvent::Retry(_)
 409        | AcpThreadEvent::TokenUsageUpdated
 410        | AcpThreadEvent::PromptCapabilitiesUpdated
 411        | AcpThreadEvent::AvailableCommandsUpdated(_)
 412        | AcpThreadEvent::ModeUpdated(_)
 413        | AcpThreadEvent::ConfigOptionsUpdated(_)
 414        | AcpThreadEvent::SubagentSpawned(_)
 415        | AcpThreadEvent::PromptUpdated => false,
 416    }
 417}
 418
 419pub enum AcpServerViewEvent {
 420    ActiveThreadChanged,
 421}
 422
 423impl EventEmitter<AcpServerViewEvent> for ConversationView {}
 424
 425pub struct ConversationView {
 426    agent: Rc<dyn AgentServer>,
 427    connection_store: Entity<AgentConnectionStore>,
 428    connection_key: Agent,
 429    agent_server_store: Entity<AgentServerStore>,
 430    workspace: WeakEntity<Workspace>,
 431    project: Entity<Project>,
 432    thread_store: Option<Entity<ThreadStore>>,
 433    prompt_store: Option<Entity<PromptStore>>,
 434    pub(crate) thread_id: ThreadId,
 435    pub(crate) root_session_id: Option<acp::SessionId>,
 436    server_state: ServerState,
 437    focus_handle: FocusHandle,
 438    notifications: Vec<WindowHandle<AgentNotification>>,
 439    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 440    auth_task: Option<Task<()>>,
 441    _subscriptions: Vec<Subscription>,
 442}
 443
 444impl ConversationView {
 445    pub fn has_auth_methods(&self) -> bool {
 446        self.as_connected().map_or(false, |connected| {
 447            !connected.connection.auth_methods().is_empty()
 448        })
 449    }
 450
 451    pub fn active_thread(&self) -> Option<&Entity<ThreadView>> {
 452        match &self.server_state {
 453            ServerState::Connected(connected) => connected.active_view(),
 454            _ => None,
 455        }
 456    }
 457
 458    pub fn pending_tool_call<'a>(
 459        &'a self,
 460        cx: &'a App,
 461    ) -> Option<(acp::SessionId, acp::ToolCallId, &'a PermissionOptions)> {
 462        let session_id = self.active_thread()?.read(cx).session_id.clone();
 463        self.as_connected()?
 464            .conversation
 465            .read(cx)
 466            .pending_tool_call(&session_id, cx)
 467    }
 468
 469    pub fn root_thread_has_pending_tool_call(&self, cx: &App) -> bool {
 470        let Some(root_thread) = self.root_thread_view() else {
 471            return false;
 472        };
 473        let root_session_id = root_thread.read(cx).thread.read(cx).session_id().clone();
 474        self.as_connected().is_some_and(|connected| {
 475            connected
 476                .conversation
 477                .read(cx)
 478                .pending_tool_call(&root_session_id, cx)
 479                .is_some()
 480        })
 481    }
 482
 483    pub(crate) fn root_thread(&self, cx: &App) -> Option<Entity<AcpThread>> {
 484        self.root_thread_view()
 485            .map(|view| view.read(cx).thread.clone())
 486    }
 487
 488    pub fn root_thread_view(&self) -> Option<Entity<ThreadView>> {
 489        self.root_session_id
 490            .as_ref()
 491            .and_then(|id| self.thread_view(id))
 492    }
 493
 494    pub fn thread_view(&self, session_id: &acp::SessionId) -> Option<Entity<ThreadView>> {
 495        let connected = self.as_connected()?;
 496        connected.threads.get(session_id).cloned()
 497    }
 498
 499    pub fn as_connected(&self) -> Option<&ConnectedServerState> {
 500        match &self.server_state {
 501            ServerState::Connected(connected) => Some(connected),
 502            _ => None,
 503        }
 504    }
 505
 506    pub fn as_connected_mut(&mut self) -> Option<&mut ConnectedServerState> {
 507        match &mut self.server_state {
 508            ServerState::Connected(connected) => Some(connected),
 509            _ => None,
 510        }
 511    }
 512
 513    pub fn updated_at(&self, cx: &App) -> Option<Instant> {
 514        self.as_connected()
 515            .and_then(|connected| connected.conversation.read(cx).updated_at)
 516    }
 517
 518    pub fn navigate_to_thread(
 519        &mut self,
 520        session_id: acp::SessionId,
 521        window: &mut Window,
 522        cx: &mut Context<Self>,
 523    ) {
 524        let Some(connected) = self.as_connected_mut() else {
 525            return;
 526        };
 527
 528        connected.navigate_to_thread(session_id);
 529        if let Some(view) = self.active_thread() {
 530            view.focus_handle(cx).focus(window, cx);
 531        }
 532        cx.emit(AcpServerViewEvent::ActiveThreadChanged);
 533        cx.notify();
 534    }
 535
 536    pub fn set_work_dirs(&mut self, work_dirs: PathList, cx: &mut Context<Self>) {
 537        if let Some(connected) = self.as_connected() {
 538            connected.conversation.update(cx, |conversation, cx| {
 539                conversation.set_work_dirs(work_dirs.clone(), cx);
 540            });
 541        }
 542    }
 543}
 544
 545enum ServerState {
 546    Loading { _loading: Entity<LoadingView> },
 547    LoadError { error: LoadError },
 548    Connected(ConnectedServerState),
 549}
 550
 551// current -> Entity
 552// hashmap of threads, current becomes session_id
 553pub struct ConnectedServerState {
 554    auth_state: AuthState,
 555    active_id: Option<acp::SessionId>,
 556    pub(crate) threads: HashMap<acp::SessionId, Entity<ThreadView>>,
 557    connection: Rc<dyn AgentConnection>,
 558    conversation: Entity<Conversation>,
 559    _connection_entry_subscription: Subscription,
 560}
 561
 562enum AuthState {
 563    Ok,
 564    Unauthenticated {
 565        description: Option<Entity<Markdown>>,
 566        configuration_view: Option<AnyView>,
 567        pending_auth_method: Option<acp::AuthMethodId>,
 568        _subscription: Option<Subscription>,
 569    },
 570}
 571
 572impl AuthState {
 573    pub fn is_ok(&self) -> bool {
 574        matches!(self, Self::Ok)
 575    }
 576}
 577
 578struct LoadingView {
 579    _load_task: Task<()>,
 580}
 581
 582impl ConnectedServerState {
 583    pub fn active_view(&self) -> Option<&Entity<ThreadView>> {
 584        self.active_id.as_ref().and_then(|id| self.threads.get(id))
 585    }
 586
 587    pub fn has_thread_error(&self, cx: &App) -> bool {
 588        self.active_view()
 589            .map_or(false, |view| view.read(cx).thread_error.is_some())
 590    }
 591
 592    pub fn navigate_to_thread(&mut self, session_id: acp::SessionId) {
 593        if self.threads.contains_key(&session_id) {
 594            self.active_id = Some(session_id);
 595        }
 596    }
 597
 598    pub fn close_all_sessions(&self, cx: &mut App) -> Task<()> {
 599        let tasks = self.threads.values().filter_map(|view| {
 600            if self.connection.supports_close_session() {
 601                let session_id = view.read(cx).thread.read(cx).session_id().clone();
 602                Some(self.connection.clone().close_session(&session_id, cx))
 603            } else {
 604                None
 605            }
 606        });
 607        let task = futures::future::join_all(tasks);
 608        cx.background_spawn(async move {
 609            task.await;
 610        })
 611    }
 612}
 613
 614impl ConversationView {
 615    pub fn new(
 616        agent: Rc<dyn AgentServer>,
 617        connection_store: Entity<AgentConnectionStore>,
 618        connection_key: Agent,
 619        resume_session_id: Option<acp::SessionId>,
 620        thread_id: Option<ThreadId>,
 621        work_dirs: Option<PathList>,
 622        title: Option<SharedString>,
 623        initial_content: Option<AgentInitialContent>,
 624        workspace: WeakEntity<Workspace>,
 625        project: Entity<Project>,
 626        thread_store: Option<Entity<ThreadStore>>,
 627        prompt_store: Option<Entity<PromptStore>>,
 628        source: &'static str,
 629        window: &mut Window,
 630        cx: &mut Context<Self>,
 631    ) -> Self {
 632        let agent_server_store = project.read(cx).agent_server_store().clone();
 633        let subscriptions = vec![
 634            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 635            cx.observe_global_in::<AgentUiFontSize>(window, Self::agent_ui_font_size_changed),
 636            cx.observe_global_in::<AgentBufferFontSize>(window, Self::agent_ui_font_size_changed),
 637            cx.subscribe_in(
 638                &agent_server_store,
 639                window,
 640                Self::handle_agent_servers_updated,
 641            ),
 642        ];
 643
 644        cx.on_release(|this, cx| {
 645            if let Some(connected) = this.as_connected() {
 646                connected.close_all_sessions(cx).detach();
 647            }
 648            for window in this.notifications.drain(..) {
 649                window
 650                    .update(cx, |_, window, _| {
 651                        window.remove_window();
 652                    })
 653                    .ok();
 654            }
 655        })
 656        .detach();
 657
 658        let thread_id = thread_id.unwrap_or_else(ThreadId::new);
 659
 660        Self {
 661            agent: agent.clone(),
 662            connection_store: connection_store.clone(),
 663            connection_key: connection_key.clone(),
 664            agent_server_store,
 665            workspace,
 666            project: project.clone(),
 667            thread_store,
 668            prompt_store,
 669            thread_id,
 670            root_session_id: resume_session_id.clone(),
 671            server_state: Self::initial_state(
 672                agent.clone(),
 673                connection_store,
 674                connection_key,
 675                resume_session_id,
 676                work_dirs,
 677                title,
 678                project,
 679                initial_content,
 680                source,
 681                window,
 682                cx,
 683            ),
 684            notifications: Vec::new(),
 685            notification_subscriptions: HashMap::default(),
 686            auth_task: None,
 687            _subscriptions: subscriptions,
 688            focus_handle: cx.focus_handle(),
 689        }
 690    }
 691
 692    fn set_server_state(&mut self, state: ServerState, cx: &mut Context<Self>) {
 693        if let Some(connected) = self.as_connected() {
 694            connected.close_all_sessions(cx).detach();
 695        }
 696
 697        self.server_state = state;
 698        cx.emit(AcpServerViewEvent::ActiveThreadChanged);
 699        cx.notify();
 700    }
 701
 702    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 703        let (resume_session_id, work_dirs, title) = self
 704            .root_thread_view()
 705            .map(|thread_view| {
 706                let tv = thread_view.read(cx);
 707                let thread = tv.thread.read(cx);
 708                (
 709                    Some(thread.session_id().clone()),
 710                    thread.work_dirs().cloned(),
 711                    thread.title(),
 712                )
 713            })
 714            .unwrap_or_else(|| {
 715                let session_id = self.root_session_id.clone();
 716                let (work_dirs, title) = session_id
 717                    .as_ref()
 718                    .and_then(|id| {
 719                        let store = ThreadMetadataStore::try_global(cx)?;
 720                        let entry = store.read(cx).entry_by_session(id)?;
 721                        Some((Some(entry.folder_paths().clone()), entry.title.clone()))
 722                    })
 723                    .unwrap_or((None, None));
 724                (session_id, work_dirs, title)
 725            });
 726
 727        let state = Self::initial_state(
 728            self.agent.clone(),
 729            self.connection_store.clone(),
 730            self.connection_key.clone(),
 731            resume_session_id,
 732            work_dirs,
 733            title,
 734            self.project.clone(),
 735            None,
 736            "agent_panel",
 737            window,
 738            cx,
 739        );
 740        self.set_server_state(state, cx);
 741
 742        if let Some(view) = self.root_thread_view() {
 743            view.update(cx, |this, cx| {
 744                this.message_editor.update(cx, |editor, cx| {
 745                    editor.set_session_capabilities(this.session_capabilities.clone(), cx);
 746                });
 747            });
 748        }
 749        cx.notify();
 750    }
 751
 752    fn initial_state(
 753        agent: Rc<dyn AgentServer>,
 754        connection_store: Entity<AgentConnectionStore>,
 755        connection_key: Agent,
 756        resume_session_id: Option<acp::SessionId>,
 757        work_dirs: Option<PathList>,
 758        title: Option<SharedString>,
 759        project: Entity<Project>,
 760        initial_content: Option<AgentInitialContent>,
 761        source: &'static str,
 762        window: &mut Window,
 763        cx: &mut Context<Self>,
 764    ) -> ServerState {
 765        if project.read(cx).is_via_collab()
 766            && agent.clone().downcast::<NativeAgentServer>().is_none()
 767        {
 768            return ServerState::LoadError {
 769                error: LoadError::Other(
 770                    "External agents are not yet supported in shared projects.".into(),
 771                ),
 772            };
 773        }
 774        let session_work_dirs = work_dirs.unwrap_or_else(|| project.read(cx).default_path_list(cx));
 775
 776        let connection_entry = connection_store.update(cx, |store, cx| {
 777            store.request_connection(connection_key, agent.clone(), cx)
 778        });
 779
 780        let connection_entry_subscription =
 781            cx.subscribe(&connection_entry, |this, _entry, event, cx| match event {
 782                AgentConnectionEntryEvent::NewVersionAvailable(version) => {
 783                    if let Some(thread) = this.root_thread_view() {
 784                        thread.update(cx, |thread, cx| {
 785                            thread.new_server_version_available = Some(version.clone());
 786                            cx.notify();
 787                        });
 788                    }
 789                }
 790            });
 791
 792        let connect_result = connection_entry.read(cx).wait_for_connection();
 793
 794        let side = match AgentSettings::get_global(cx).sidebar_side() {
 795            SidebarSide::Left => "left",
 796            SidebarSide::Right => "right",
 797        };
 798        let thread_location = match AgentSettings::get_global(cx).new_thread_location {
 799            NewThreadLocation::LocalProject => "current_worktree",
 800            NewThreadLocation::NewWorktree => "new_worktree",
 801        };
 802
 803        let load_task = cx.spawn_in(window, async move |this, cx| {
 804            let connection = match connect_result.await {
 805                Ok(AgentConnectedState { connection, .. }) => connection,
 806                Err(err) => {
 807                    this.update_in(cx, |this, window, cx| {
 808                        this.handle_load_error(err, window, cx);
 809                        cx.notify();
 810                    })
 811                    .log_err();
 812                    return;
 813                }
 814            };
 815
 816            telemetry::event!(
 817                "Agent Thread Started",
 818                agent = connection.telemetry_id(),
 819                source = source,
 820                side = side,
 821                thread_location = thread_location
 822            );
 823
 824            let mut resumed_without_history = false;
 825            let result = if let Some(session_id) = resume_session_id.clone() {
 826                cx.update(|_, cx| {
 827                    if connection.supports_load_session() {
 828                        connection.clone().load_session(
 829                            session_id,
 830                            project.clone(),
 831                            session_work_dirs,
 832                            title,
 833                            cx,
 834                        )
 835                    } else if connection.supports_resume_session() {
 836                        resumed_without_history = true;
 837                        connection.clone().resume_session(
 838                            session_id,
 839                            project.clone(),
 840                            session_work_dirs,
 841                            title,
 842                            cx,
 843                        )
 844                    } else {
 845                        Task::ready(Err(anyhow!(LoadError::Other(
 846                            "Loading or resuming sessions is not supported by this agent.".into()
 847                        ))))
 848                    }
 849                })
 850                .log_err()
 851            } else {
 852                cx.update(|_, cx| {
 853                    connection
 854                        .clone()
 855                        .new_session(project.clone(), session_work_dirs, cx)
 856                })
 857                .log_err()
 858            };
 859
 860            let Some(result) = result else {
 861                return;
 862            };
 863
 864            let result = match result.await {
 865                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 866                    Ok(err) => {
 867                        cx.update(|window, cx| {
 868                            Self::handle_auth_required(
 869                                this,
 870                                err,
 871                                agent.agent_id(),
 872                                connection,
 873                                window,
 874                                cx,
 875                            )
 876                        })
 877                        .log_err();
 878                        return;
 879                    }
 880                    Err(err) => Err(err),
 881                },
 882                Ok(thread) => Ok(thread),
 883            };
 884
 885            this.update_in(cx, |this, window, cx| {
 886                match result {
 887                    Ok(thread) => {
 888                        let root_session_id = thread.read(cx).session_id().clone();
 889
 890                        let conversation = cx.new(|cx| {
 891                            let mut conversation = Conversation::default();
 892                            conversation.register_thread(thread.clone(), cx);
 893                            conversation
 894                        });
 895
 896                        let current = this.new_thread_view(
 897                            thread,
 898                            conversation.clone(),
 899                            resumed_without_history,
 900                            initial_content,
 901                            window,
 902                            cx,
 903                        );
 904
 905                        if this.focus_handle.contains_focused(window, cx) {
 906                            current
 907                                .read(cx)
 908                                .message_editor
 909                                .focus_handle(cx)
 910                                .focus(window, cx);
 911                        }
 912
 913                        this.root_session_id = Some(root_session_id.clone());
 914                        this.set_server_state(
 915                            ServerState::Connected(ConnectedServerState {
 916                                connection,
 917                                auth_state: AuthState::Ok,
 918                                active_id: Some(root_session_id.clone()),
 919                                threads: HashMap::from_iter([(root_session_id, current)]),
 920                                conversation,
 921                                _connection_entry_subscription: connection_entry_subscription,
 922                            }),
 923                            cx,
 924                        );
 925                    }
 926                    Err(err) => {
 927                        this.handle_load_error(
 928                            LoadError::Other(err.to_string().into()),
 929                            window,
 930                            cx,
 931                        );
 932                    }
 933                };
 934            })
 935            .log_err();
 936        });
 937
 938        let loading_view = cx.new(|_cx| LoadingView {
 939            _load_task: load_task,
 940        });
 941
 942        ServerState::Loading {
 943            _loading: loading_view,
 944        }
 945    }
 946
 947    fn new_thread_view(
 948        &self,
 949        thread: Entity<AcpThread>,
 950        conversation: Entity<Conversation>,
 951        resumed_without_history: bool,
 952        initial_content: Option<AgentInitialContent>,
 953        window: &mut Window,
 954        cx: &mut Context<Self>,
 955    ) -> Entity<ThreadView> {
 956        let agent_id = self.agent.agent_id();
 957        let session_capabilities = Arc::new(RwLock::new(SessionCapabilities::new(
 958            thread.read(cx).prompt_capabilities(),
 959            thread.read(cx).available_commands().to_vec(),
 960        )));
 961
 962        let action_log = thread.read(cx).action_log().clone();
 963
 964        let entry_view_state = cx.new(|_| {
 965            EntryViewState::new(
 966                self.workspace.clone(),
 967                self.project.downgrade(),
 968                self.thread_store.clone(),
 969                self.prompt_store.clone(),
 970                session_capabilities.clone(),
 971                self.agent.agent_id(),
 972            )
 973        });
 974
 975        let count = thread.read(cx).entries().len();
 976        let list_state = ListState::new(0, gpui::ListAlignment::Top, px(2048.0));
 977        list_state.set_follow_mode(gpui::FollowMode::Tail);
 978
 979        entry_view_state.update(cx, |view_state, cx| {
 980            for ix in 0..count {
 981                view_state.sync_entry(ix, &thread, window, cx);
 982            }
 983            list_state.splice_focusable(
 984                0..0,
 985                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 986            );
 987        });
 988
 989        if let Some(scroll_position) = thread.read(cx).ui_scroll_position() {
 990            list_state.scroll_to(scroll_position);
 991        } else {
 992            list_state.scroll_to_end();
 993        }
 994
 995        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
 996
 997        let connection = thread.read(cx).connection().clone();
 998        let session_id = thread.read(cx).session_id().clone();
 999
1000        // Check for config options first
1001        // Config options take precedence over legacy mode/model selectors
1002        // (feature flag gating happens at the data layer)
1003        let config_options_provider = connection.session_config_options(&session_id, cx);
1004
1005        let config_options_view;
1006        let mode_selector;
1007        let model_selector;
1008        if let Some(config_options) = config_options_provider {
1009            // Use config options - don't create mode_selector or model_selector
1010            let agent_server = self.agent.clone();
1011            let fs = self.project.read(cx).fs().clone();
1012            config_options_view =
1013                Some(cx.new(|cx| {
1014                    ConfigOptionsView::new(config_options, agent_server, fs, window, cx)
1015                }));
1016            model_selector = None;
1017            mode_selector = None;
1018        } else {
1019            // Fall back to legacy mode/model selectors
1020            config_options_view = None;
1021            model_selector = connection.model_selector(&session_id).map(|selector| {
1022                let agent_server = self.agent.clone();
1023                let fs = self.project.read(cx).fs().clone();
1024                cx.new(|cx| {
1025                    ModelSelectorPopover::new(
1026                        selector,
1027                        agent_server,
1028                        fs,
1029                        PopoverMenuHandle::default(),
1030                        self.focus_handle(cx),
1031                        window,
1032                        cx,
1033                    )
1034                })
1035            });
1036
1037            mode_selector = connection
1038                .session_modes(&session_id, cx)
1039                .map(|session_modes| {
1040                    let fs = self.project.read(cx).fs().clone();
1041                    cx.new(|_cx| ModeSelector::new(session_modes, self.agent.clone(), fs))
1042                });
1043        }
1044
1045        let subscriptions = vec![
1046            cx.subscribe_in(&thread, window, Self::handle_thread_event),
1047            cx.observe(&action_log, |_, _, cx| cx.notify()),
1048        ];
1049
1050        let subagent_sessions = thread
1051            .read(cx)
1052            .entries()
1053            .iter()
1054            .filter_map(|entry| match entry {
1055                AgentThreadEntry::ToolCall(call) => call
1056                    .subagent_session_info
1057                    .as_ref()
1058                    .map(|i| i.session_id.clone()),
1059                _ => None,
1060            })
1061            .collect::<Vec<_>>();
1062
1063        if !subagent_sessions.is_empty() {
1064            let parent_session_id = thread.read(cx).session_id().clone();
1065            cx.spawn_in(window, async move |this, cx| {
1066                this.update_in(cx, |this, window, cx| {
1067                    for subagent_id in subagent_sessions {
1068                        this.load_subagent_session(
1069                            subagent_id,
1070                            parent_session_id.clone(),
1071                            window,
1072                            cx,
1073                        );
1074                    }
1075                })
1076            })
1077            .detach();
1078        }
1079
1080        let profile_selector: Option<Rc<agent::NativeAgentConnection>> =
1081            connection.clone().downcast();
1082        let profile_selector = profile_selector
1083            .and_then(|native_connection| native_connection.thread(&session_id, cx))
1084            .map(|native_thread| {
1085                cx.new(|cx| {
1086                    ProfileSelector::new(
1087                        <dyn Fs>::global(cx),
1088                        Arc::new(native_thread),
1089                        self.focus_handle(cx),
1090                        cx,
1091                    )
1092                })
1093            });
1094
1095        let agent_display_name = self
1096            .agent_server_store
1097            .read(cx)
1098            .agent_display_name(&agent_id.clone())
1099            .unwrap_or_else(|| agent_id.0.clone());
1100
1101        let agent_icon = self.agent.logo();
1102        let agent_icon_from_external_svg = self
1103            .agent_server_store
1104            .read(cx)
1105            .agent_icon(&self.agent.agent_id())
1106            .or_else(|| {
1107                project::AgentRegistryStore::try_global(cx).and_then(|store| {
1108                    store
1109                        .read(cx)
1110                        .agent(&self.agent.agent_id())
1111                        .and_then(|a| a.icon_path().cloned())
1112                })
1113            });
1114
1115        let weak = cx.weak_entity();
1116        cx.new(|cx| {
1117            ThreadView::new(
1118                thread,
1119                conversation,
1120                weak,
1121                agent_icon,
1122                agent_icon_from_external_svg,
1123                agent_id,
1124                agent_display_name,
1125                self.workspace.clone(),
1126                entry_view_state,
1127                config_options_view,
1128                mode_selector,
1129                model_selector,
1130                profile_selector,
1131                list_state,
1132                session_capabilities,
1133                resumed_without_history,
1134                self.project.downgrade(),
1135                self.thread_store.clone(),
1136                self.prompt_store.clone(),
1137                initial_content,
1138                subscriptions,
1139                window,
1140                cx,
1141            )
1142        })
1143    }
1144
1145    fn handle_auth_required(
1146        this: WeakEntity<Self>,
1147        err: AuthRequired,
1148        agent_id: AgentId,
1149        connection: Rc<dyn AgentConnection>,
1150        window: &mut Window,
1151        cx: &mut App,
1152    ) {
1153        let (configuration_view, subscription) = if let Some(provider_id) = &err.provider_id {
1154            let registry = LanguageModelRegistry::global(cx);
1155
1156            let sub = window.subscribe(&registry, cx, {
1157                let provider_id = provider_id.clone();
1158                let this = this.clone();
1159                move |_, ev, window, cx| {
1160                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
1161                        && &provider_id == updated_provider_id
1162                        && LanguageModelRegistry::global(cx)
1163                            .read(cx)
1164                            .provider(&provider_id)
1165                            .map_or(false, |provider| provider.is_authenticated(cx))
1166                    {
1167                        this.update(cx, |this, cx| {
1168                            this.reset(window, cx);
1169                        })
1170                        .ok();
1171                    }
1172                }
1173            });
1174
1175            let view = registry.read(cx).provider(&provider_id).map(|provider| {
1176                provider.configuration_view(
1177                    language_model::ConfigurationViewTargetAgent::Other(agent_id.0),
1178                    window,
1179                    cx,
1180                )
1181            });
1182
1183            (view, Some(sub))
1184        } else {
1185            (None, None)
1186        };
1187
1188        this.update(cx, |this, cx| {
1189            let description = err
1190                .description
1191                .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx)));
1192            let auth_state = AuthState::Unauthenticated {
1193                pending_auth_method: None,
1194                configuration_view,
1195                description,
1196                _subscription: subscription,
1197            };
1198            if let Some(connected) = this.as_connected_mut() {
1199                connected.auth_state = auth_state;
1200                if let Some(view) = connected.active_view()
1201                    && view
1202                        .read(cx)
1203                        .message_editor
1204                        .focus_handle(cx)
1205                        .is_focused(window)
1206                {
1207                    this.focus_handle.focus(window, cx)
1208                }
1209            } else {
1210                this.set_server_state(
1211                    ServerState::Connected(ConnectedServerState {
1212                        auth_state,
1213                        active_id: None,
1214                        threads: HashMap::default(),
1215                        connection,
1216                        conversation: cx.new(|_cx| Conversation::default()),
1217                        _connection_entry_subscription: Subscription::new(|| {}),
1218                    }),
1219                    cx,
1220                );
1221            }
1222            cx.notify();
1223        })
1224        .ok();
1225    }
1226
1227    fn handle_load_error(&mut self, err: LoadError, window: &mut Window, cx: &mut Context<Self>) {
1228        if let Some(view) = self.root_thread_view() {
1229            if view
1230                .read(cx)
1231                .message_editor
1232                .focus_handle(cx)
1233                .is_focused(window)
1234            {
1235                self.focus_handle.focus(window, cx)
1236            }
1237        }
1238        self.emit_load_error_telemetry(&err);
1239        self.set_server_state(ServerState::LoadError { error: err }, cx);
1240    }
1241
1242    fn handle_agent_servers_updated(
1243        &mut self,
1244        _agent_server_store: &Entity<project::AgentServerStore>,
1245        _event: &project::AgentServersUpdated,
1246        window: &mut Window,
1247        cx: &mut Context<Self>,
1248    ) {
1249        // If we're in a LoadError state OR have a thread_error set (which can happen
1250        // when agent.connect() fails during loading), retry loading the thread.
1251        // This handles the case where a thread is restored before authentication completes.
1252        let should_retry = match &self.server_state {
1253            ServerState::Loading { .. } => false,
1254            ServerState::LoadError { .. } => true,
1255            ServerState::Connected(connected) => {
1256                connected.auth_state.is_ok() && connected.has_thread_error(cx)
1257            }
1258        };
1259
1260        if should_retry {
1261            if let Some(active) = self.root_thread_view() {
1262                active.update(cx, |active, cx| {
1263                    active.clear_thread_error(cx);
1264                });
1265            }
1266            self.reset(window, cx);
1267        }
1268    }
1269
1270    pub fn workspace(&self) -> &WeakEntity<Workspace> {
1271        &self.workspace
1272    }
1273
1274    pub fn agent_key(&self) -> &Agent {
1275        &self.connection_key
1276    }
1277
1278    pub fn title(&self, cx: &App) -> SharedString {
1279        match &self.server_state {
1280            ServerState::Connected(view) => view
1281                .active_view()
1282                .and_then(|v| v.read(cx).thread.read(cx).title())
1283                .unwrap_or_else(|| DEFAULT_THREAD_TITLE.into()),
1284            ServerState::Loading { .. } => "Loading…".into(),
1285            ServerState::LoadError { error, .. } => match error {
1286                LoadError::Unsupported { .. } => {
1287                    format!("Upgrade {}", self.agent.agent_id()).into()
1288                }
1289                LoadError::FailedToInstall(_) => {
1290                    format!("Failed to Install {}", self.agent.agent_id()).into()
1291                }
1292                LoadError::Exited { .. } => format!("{} Exited", self.agent.agent_id()).into(),
1293                LoadError::Other(_) => format!("Error Loading {}", self.agent.agent_id()).into(),
1294            },
1295        }
1296    }
1297
1298    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
1299        if let Some(active) = self.active_thread() {
1300            active.update(cx, |active, cx| {
1301                active.cancel_generation(cx);
1302            });
1303        }
1304    }
1305
1306    pub fn parent_id(&self) -> ThreadId {
1307        self.thread_id
1308    }
1309
1310    pub fn is_loading(&self) -> bool {
1311        matches!(self.server_state, ServerState::Loading { .. })
1312    }
1313
1314    fn send_queued_message_at_index(
1315        &mut self,
1316        index: usize,
1317        is_send_now: bool,
1318        window: &mut Window,
1319        cx: &mut Context<Self>,
1320    ) {
1321        if let Some(active) = self.root_thread_view() {
1322            active.update(cx, |active, cx| {
1323                active.send_queued_message_at_index(index, is_send_now, window, cx);
1324            });
1325        }
1326    }
1327
1328    fn move_queued_message_to_main_editor(
1329        &mut self,
1330        index: usize,
1331        inserted_text: Option<&str>,
1332        cursor_offset: Option<usize>,
1333        window: &mut Window,
1334        cx: &mut Context<Self>,
1335    ) {
1336        if let Some(active) = self.root_thread_view() {
1337            active.update(cx, |active, cx| {
1338                active.move_queued_message_to_main_editor(
1339                    index,
1340                    inserted_text,
1341                    cursor_offset,
1342                    window,
1343                    cx,
1344                );
1345            });
1346        }
1347    }
1348
1349    fn handle_thread_event(
1350        &mut self,
1351        thread: &Entity<AcpThread>,
1352        event: &AcpThreadEvent,
1353        window: &mut Window,
1354        cx: &mut Context<Self>,
1355    ) {
1356        let session_id = thread.read(cx).session_id().clone();
1357        let has_thread = self
1358            .as_connected()
1359            .is_some_and(|connected| connected.threads.contains_key(&session_id));
1360        if !has_thread {
1361            return;
1362        };
1363        let is_subagent = thread.read(cx).parent_session_id().is_some();
1364        if !is_subagent && affects_thread_metadata(event) {
1365            cx.emit(RootThreadUpdated);
1366        }
1367        match event {
1368            AcpThreadEvent::NewEntry => {
1369                let len = thread.read(cx).entries().len();
1370                let index = len - 1;
1371                if let Some(active) = self.thread_view(&session_id) {
1372                    let entry_view_state = active.read(cx).entry_view_state.clone();
1373                    let list_state = active.read(cx).list_state.clone();
1374                    entry_view_state.update(cx, |view_state, cx| {
1375                        view_state.sync_entry(index, thread, window, cx);
1376                        list_state.splice_focusable(
1377                            index..index,
1378                            [view_state
1379                                .entry(index)
1380                                .and_then(|entry| entry.focus_handle(cx))],
1381                        );
1382                    });
1383                    active.update(cx, |active, cx| {
1384                        active.sync_editor_mode_for_empty_state(cx);
1385                    });
1386                }
1387            }
1388            AcpThreadEvent::EntryUpdated(index) => {
1389                if let Some(active) = self.thread_view(&session_id) {
1390                    let entry_view_state = active.read(cx).entry_view_state.clone();
1391                    let list_state = active.read(cx).list_state.clone();
1392                    entry_view_state.update(cx, |view_state, cx| {
1393                        view_state.sync_entry(*index, thread, window, cx);
1394                    });
1395                    list_state.remeasure_items(*index..*index + 1);
1396                    active.update(cx, |active, cx| {
1397                        active.auto_expand_streaming_thought(cx);
1398                    });
1399                }
1400            }
1401            AcpThreadEvent::EntriesRemoved(range) => {
1402                if let Some(active) = self.thread_view(&session_id) {
1403                    let entry_view_state = active.read(cx).entry_view_state.clone();
1404                    let list_state = active.read(cx).list_state.clone();
1405                    entry_view_state.update(cx, |view_state, _cx| view_state.remove(range.clone()));
1406                    list_state.splice(range.clone(), 0);
1407                    active.update(cx, |active, cx| {
1408                        active.sync_editor_mode_for_empty_state(cx);
1409                    });
1410                }
1411            }
1412            AcpThreadEvent::SubagentSpawned(subagent_session_id) => {
1413                self.load_subagent_session(subagent_session_id.clone(), session_id, window, cx)
1414            }
1415            AcpThreadEvent::ToolAuthorizationRequested(_) => {
1416                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1417            }
1418            AcpThreadEvent::ToolAuthorizationReceived(_) => {}
1419            AcpThreadEvent::Retry(retry) => {
1420                if let Some(active) = self.thread_view(&session_id) {
1421                    active.update(cx, |active, _cx| {
1422                        active.thread_retry_status = Some(retry.clone());
1423                    });
1424                }
1425            }
1426            AcpThreadEvent::Stopped(stop_reason) => {
1427                if let Some(active) = self.thread_view(&session_id) {
1428                    let is_generating =
1429                        matches!(thread.read(cx).status(), ThreadStatus::Generating);
1430                    active.update(cx, |active, cx| {
1431                        if !is_generating {
1432                            active.thread_retry_status.take();
1433                            active.clear_auto_expand_tracking();
1434                            if active.list_state.is_following_tail() {
1435                                active.list_state.scroll_to_end();
1436                            }
1437                        }
1438                        active.sync_generating_indicator(cx);
1439                    });
1440                }
1441                if is_subagent {
1442                    if *stop_reason == acp::StopReason::EndTurn {
1443                        thread.update(cx, |thread, cx| {
1444                            thread.mark_as_subagent_output(cx);
1445                        });
1446                    }
1447                    return;
1448                }
1449
1450                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1451                self.notify_with_sound(
1452                    if used_tools {
1453                        "Finished running tools"
1454                    } else {
1455                        "New message"
1456                    },
1457                    IconName::ZedAssistant,
1458                    window,
1459                    cx,
1460                );
1461
1462                let should_send_queued = if let Some(active) = self.root_thread_view() {
1463                    active.update(cx, |active, cx| {
1464                        if active.skip_queue_processing_count > 0 {
1465                            active.skip_queue_processing_count -= 1;
1466                            false
1467                        } else if active.user_interrupted_generation {
1468                            // Manual interruption: don't auto-process queue.
1469                            // Reset the flag so future completions can process normally.
1470                            active.user_interrupted_generation = false;
1471                            false
1472                        } else {
1473                            let has_queued = !active.local_queued_messages.is_empty();
1474                            // Don't auto-send if the first message editor is currently focused
1475                            let is_first_editor_focused = active
1476                                .queued_message_editors
1477                                .first()
1478                                .is_some_and(|editor| editor.focus_handle(cx).is_focused(window));
1479                            has_queued && !is_first_editor_focused
1480                        }
1481                    })
1482                } else {
1483                    false
1484                };
1485                if should_send_queued {
1486                    self.send_queued_message_at_index(0, false, window, cx);
1487                }
1488            }
1489            AcpThreadEvent::Refusal => {
1490                let error = ThreadError::Refusal;
1491                if let Some(active) = self.thread_view(&session_id) {
1492                    active.update(cx, |active, cx| {
1493                        active.handle_thread_error(error, cx);
1494                        active.thread_retry_status.take();
1495                    });
1496                }
1497                if !is_subagent {
1498                    let model_or_agent_name = self.current_model_name(cx);
1499                    let notification_message =
1500                        format!("{} refused to respond to this request", model_or_agent_name);
1501                    self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1502                }
1503            }
1504            AcpThreadEvent::Error => {
1505                if let Some(active) = self.thread_view(&session_id) {
1506                    let is_generating =
1507                        matches!(thread.read(cx).status(), ThreadStatus::Generating);
1508                    active.update(cx, |active, cx| {
1509                        if !is_generating {
1510                            active.thread_retry_status.take();
1511                            if active.list_state.is_following_tail() {
1512                                active.list_state.scroll_to_end();
1513                            }
1514                        }
1515                        active.sync_generating_indicator(cx);
1516                    });
1517                }
1518                if !is_subagent {
1519                    self.notify_with_sound(
1520                        "Agent stopped due to an error",
1521                        IconName::Warning,
1522                        window,
1523                        cx,
1524                    );
1525                }
1526            }
1527            AcpThreadEvent::LoadError(error) => {
1528                if let Some(view) = self.root_thread_view() {
1529                    if view
1530                        .read(cx)
1531                        .message_editor
1532                        .focus_handle(cx)
1533                        .is_focused(window)
1534                    {
1535                        self.focus_handle.focus(window, cx)
1536                    }
1537                }
1538                self.set_server_state(
1539                    ServerState::LoadError {
1540                        error: error.clone(),
1541                    },
1542                    cx,
1543                );
1544            }
1545            AcpThreadEvent::TitleUpdated => {
1546                if let Some(title) = thread.read(cx).title()
1547                    && let Some(active_thread) = self.thread_view(&session_id)
1548                {
1549                    let title_editor = active_thread.read(cx).title_editor.clone();
1550                    title_editor.update(cx, |editor, cx| {
1551                        if editor.text(cx) != title {
1552                            editor.set_text(title, window, cx);
1553                        }
1554                    });
1555                }
1556                cx.notify();
1557            }
1558            AcpThreadEvent::PromptCapabilitiesUpdated => {
1559                if let Some(active) = self.thread_view(&session_id) {
1560                    active.update(cx, |active, _cx| {
1561                        active
1562                            .session_capabilities
1563                            .write()
1564                            .set_prompt_capabilities(thread.read(_cx).prompt_capabilities());
1565                    });
1566                }
1567            }
1568            AcpThreadEvent::TokenUsageUpdated => {
1569                if let Some(active) = self.thread_view(&session_id) {
1570                    active.update(cx, |active, cx| {
1571                        active.update_turn_tokens(cx);
1572                    });
1573                }
1574            }
1575            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1576                if let Some(thread_view) = self.thread_view(&session_id) {
1577                    let has_commands = !available_commands.is_empty();
1578
1579                    let agent_display_name = self
1580                        .agent_server_store
1581                        .read(cx)
1582                        .agent_display_name(&self.agent.agent_id())
1583                        .unwrap_or_else(|| self.agent.agent_id().0.to_string().into());
1584
1585                    let new_placeholder =
1586                        placeholder_text(agent_display_name.as_ref(), has_commands);
1587
1588                    thread_view.update(cx, |thread_view, cx| {
1589                        thread_view
1590                            .session_capabilities
1591                            .write()
1592                            .set_available_commands(available_commands.clone());
1593                        thread_view.message_editor.update(cx, |editor, cx| {
1594                            editor.set_placeholder_text(&new_placeholder, window, cx);
1595                        });
1596                    });
1597                }
1598            }
1599            AcpThreadEvent::ModeUpdated(_mode) => {
1600                // The connection keeps track of the mode
1601                cx.notify();
1602            }
1603            AcpThreadEvent::ConfigOptionsUpdated(_) => {
1604                // The watch task in ConfigOptionsView handles rebuilding selectors
1605                cx.notify();
1606            }
1607            AcpThreadEvent::WorkingDirectoriesUpdated => {
1608                cx.notify();
1609            }
1610            AcpThreadEvent::PromptUpdated => {
1611                cx.notify();
1612            }
1613        }
1614        cx.notify();
1615    }
1616
1617    fn authenticate(
1618        &mut self,
1619        method: acp::AuthMethodId,
1620        window: &mut Window,
1621        cx: &mut Context<Self>,
1622    ) {
1623        let Some(workspace) = self.workspace.upgrade() else {
1624            return;
1625        };
1626        let Some(connected) = self.as_connected_mut() else {
1627            return;
1628        };
1629        let connection = connected.connection.clone();
1630
1631        let AuthState::Unauthenticated {
1632            configuration_view,
1633            pending_auth_method,
1634            ..
1635        } = &mut connected.auth_state
1636        else {
1637            return;
1638        };
1639
1640        let agent_telemetry_id = connection.telemetry_id();
1641
1642        if let Some(login_task) = connection.terminal_auth_task(&method, cx) {
1643            configuration_view.take();
1644            pending_auth_method.replace(method.clone());
1645
1646            let project = self.project.clone();
1647            cx.notify();
1648            self.auth_task = Some(cx.spawn_in(window, {
1649                async move |this, cx| {
1650                    let result = async {
1651                        let login = login_task.await?;
1652                        this.update_in(cx, |_this, window, cx| {
1653                            Self::spawn_external_agent_login(
1654                                login,
1655                                workspace,
1656                                project,
1657                                method.clone(),
1658                                false,
1659                                window,
1660                                cx,
1661                            )
1662                        })?
1663                        .await
1664                    }
1665                    .await;
1666
1667                    match &result {
1668                        Ok(_) => telemetry::event!(
1669                            "Authenticate Agent Succeeded",
1670                            agent = agent_telemetry_id
1671                        ),
1672                        Err(_) => {
1673                            telemetry::event!(
1674                                "Authenticate Agent Failed",
1675                                agent = agent_telemetry_id,
1676                            )
1677                        }
1678                    }
1679
1680                    this.update_in(cx, |this, window, cx| {
1681                        if let Err(err) = result {
1682                            if let Some(ConnectedServerState {
1683                                auth_state:
1684                                    AuthState::Unauthenticated {
1685                                        pending_auth_method,
1686                                        ..
1687                                    },
1688                                ..
1689                            }) = this.as_connected_mut()
1690                            {
1691                                pending_auth_method.take();
1692                            }
1693                            if let Some(active) = this.root_thread_view() {
1694                                active.update(cx, |active, cx| {
1695                                    active.handle_thread_error(err, cx);
1696                                })
1697                            }
1698                        } else {
1699                            this.reset(window, cx);
1700                        }
1701                        this.auth_task.take()
1702                    })
1703                    .ok();
1704                }
1705            }));
1706            return;
1707        }
1708
1709        configuration_view.take();
1710        pending_auth_method.replace(method.clone());
1711
1712        let authenticate = connection.authenticate(method, cx);
1713        cx.notify();
1714        self.auth_task = Some(cx.spawn_in(window, {
1715            async move |this, cx| {
1716                let result = authenticate.await;
1717
1718                match &result {
1719                    Ok(_) => telemetry::event!(
1720                        "Authenticate Agent Succeeded",
1721                        agent = agent_telemetry_id
1722                    ),
1723                    Err(_) => {
1724                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1725                    }
1726                }
1727
1728                this.update_in(cx, |this, window, cx| {
1729                    if let Err(err) = result {
1730                        if let Some(ConnectedServerState {
1731                            auth_state:
1732                                AuthState::Unauthenticated {
1733                                    pending_auth_method,
1734                                    ..
1735                                },
1736                            ..
1737                        }) = this.as_connected_mut()
1738                        {
1739                            pending_auth_method.take();
1740                        }
1741                        if let Some(active) = this.root_thread_view() {
1742                            active.update(cx, |active, cx| active.handle_thread_error(err, cx));
1743                        }
1744                    } else {
1745                        this.reset(window, cx);
1746                    }
1747                    this.auth_task.take()
1748                })
1749                .ok();
1750            }
1751        }));
1752    }
1753
1754    fn load_subagent_session(
1755        &mut self,
1756        subagent_id: acp::SessionId,
1757        parent_session_id: acp::SessionId,
1758        window: &mut Window,
1759        cx: &mut Context<Self>,
1760    ) {
1761        let Some(connected) = self.as_connected() else {
1762            return;
1763        };
1764        if connected.threads.contains_key(&subagent_id)
1765            || !connected.connection.supports_load_session()
1766        {
1767            return;
1768        }
1769        let Some(parent_thread) = connected.threads.get(&parent_session_id) else {
1770            return;
1771        };
1772        let work_dirs = parent_thread
1773            .read(cx)
1774            .thread
1775            .read(cx)
1776            .work_dirs()
1777            .cloned()
1778            .unwrap_or_else(|| self.project.read(cx).default_path_list(cx));
1779
1780        let subagent_thread_task = connected.connection.clone().load_session(
1781            subagent_id,
1782            self.project.clone(),
1783            work_dirs,
1784            None,
1785            cx,
1786        );
1787
1788        cx.spawn_in(window, async move |this, cx| {
1789            let subagent_thread = subagent_thread_task.await?;
1790            this.update_in(cx, |this, window, cx| {
1791                let Some(conversation) = this
1792                    .as_connected()
1793                    .map(|connected| connected.conversation.clone())
1794                else {
1795                    return;
1796                };
1797                let subagent_session_id = subagent_thread.read(cx).session_id().clone();
1798                conversation.update(cx, |conversation, cx| {
1799                    conversation.register_thread(subagent_thread.clone(), cx);
1800                });
1801                let view =
1802                    this.new_thread_view(subagent_thread, conversation, false, None, window, cx);
1803                let Some(connected) = this.as_connected_mut() else {
1804                    return;
1805                };
1806                connected.threads.insert(subagent_session_id, view);
1807            })
1808        })
1809        .detach();
1810    }
1811
1812    fn spawn_external_agent_login(
1813        login: task::SpawnInTerminal,
1814        workspace: Entity<Workspace>,
1815        project: Entity<Project>,
1816        method: acp::AuthMethodId,
1817        previous_attempt: bool,
1818        window: &mut Window,
1819        cx: &mut App,
1820    ) -> Task<Result<()>> {
1821        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1822            return Task::ready(Err(anyhow!("Terminal panel is unavailable")));
1823        };
1824
1825        window.spawn(cx, async move |cx| {
1826            let mut task = login.clone();
1827            if let Some(cmd) = &task.command {
1828                // Have "node" command use Zed's managed Node runtime by default
1829                if cmd == "node" {
1830                    let resolved_node_runtime = project.update(cx, |project, cx| {
1831                        let agent_server_store = project.agent_server_store().clone();
1832                        agent_server_store.update(cx, |store, cx| {
1833                            store.node_runtime().map(|node_runtime| {
1834                                cx.background_spawn(async move { node_runtime.binary_path().await })
1835                            })
1836                        })
1837                    });
1838
1839                    if let Some(resolve_task) = resolved_node_runtime {
1840                        if let Ok(node_path) = resolve_task.await {
1841                            task.command = Some(node_path.to_string_lossy().to_string());
1842                        }
1843                    }
1844                }
1845            }
1846            task.shell = task::Shell::WithArguments {
1847                program: task.command.take().expect("login command should be set"),
1848                args: std::mem::take(&mut task.args),
1849                title_override: None,
1850            };
1851
1852            let terminal = terminal_panel
1853                .update_in(cx, |terminal_panel, window, cx| {
1854                    terminal_panel.spawn_task(&task, window, cx)
1855                })?
1856                .await?;
1857
1858            let success_patterns = match method.0.as_ref() {
1859                "claude-login" | GEMINI_TERMINAL_AUTH_METHOD_ID => vec![
1860                    "Login successful".to_string(),
1861                    "Type your message".to_string(),
1862                ],
1863                _ => Vec::new(),
1864            };
1865            if success_patterns.is_empty() {
1866                // No success patterns specified: wait for the process to exit and check exit code
1867                let exit_status = terminal
1868                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1869                    .await;
1870
1871                match exit_status {
1872                    Some(status) if status.success() => Ok(()),
1873                    Some(status) => Err(anyhow!(
1874                        "Login command failed with exit code: {:?}",
1875                        status.code()
1876                    )),
1877                    None => Err(anyhow!("Login command terminated without exit status")),
1878                }
1879            } else {
1880                // Look for specific output patterns to detect successful login
1881                let mut exit_status = terminal
1882                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1883                    .fuse();
1884
1885                let logged_in = cx
1886                    .spawn({
1887                        let terminal = terminal.clone();
1888                        async move |cx| {
1889                            loop {
1890                                cx.background_executor().timer(Duration::from_secs(1)).await;
1891                                let content =
1892                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1893                                if success_patterns
1894                                    .iter()
1895                                    .any(|pattern| content.contains(pattern))
1896                                {
1897                                    return anyhow::Ok(());
1898                                }
1899                            }
1900                        }
1901                    })
1902                    .fuse();
1903                futures::pin_mut!(logged_in);
1904                futures::select_biased! {
1905                    result = logged_in => {
1906                        if let Err(e) = result {
1907                            log::error!("{e}");
1908                            return Err(anyhow!("exited before logging in"));
1909                        }
1910                    }
1911                    _ = exit_status => {
1912                        if !previous_attempt
1913                            && project.read_with(cx, |project, _| project.is_via_remote_server())
1914                            && method.0.as_ref() == GEMINI_TERMINAL_AUTH_METHOD_ID
1915                        {
1916                            return cx
1917                                .update(|window, cx| {
1918                                    Self::spawn_external_agent_login(
1919                                        login,
1920                                        workspace,
1921                                        project.clone(),
1922                                        method,
1923                                        true,
1924                                        window,
1925                                        cx,
1926                                    )
1927                                })?
1928                                .await;
1929                        }
1930                        return Err(anyhow!("exited before logging in"));
1931                    }
1932                }
1933                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1934                Ok(())
1935            }
1936        })
1937    }
1938
1939    pub fn has_user_submitted_prompt(&self, cx: &App) -> bool {
1940        self.root_thread_view().is_some_and(|active| {
1941            active
1942                .read(cx)
1943                .thread
1944                .read(cx)
1945                .entries()
1946                .iter()
1947                .any(|entry| matches!(entry, AgentThreadEntry::UserMessage(_)))
1948        })
1949    }
1950
1951    fn render_auth_required_state(
1952        &self,
1953        connection: &Rc<dyn AgentConnection>,
1954        description: Option<&Entity<Markdown>>,
1955        configuration_view: Option<&AnyView>,
1956        pending_auth_method: Option<&acp::AuthMethodId>,
1957        window: &mut Window,
1958        cx: &Context<Self>,
1959    ) -> impl IntoElement {
1960        let auth_methods = connection.auth_methods();
1961
1962        let agent_display_name = self
1963            .agent_server_store
1964            .read(cx)
1965            .agent_display_name(&self.agent.agent_id())
1966            .unwrap_or_else(|| self.agent.agent_id().0);
1967
1968        let show_fallback_description = auth_methods.len() > 1
1969            && configuration_view.is_none()
1970            && description.is_none()
1971            && pending_auth_method.is_none();
1972
1973        let auth_buttons = || {
1974            h_flex().justify_end().flex_wrap().gap_1().children(
1975                connection
1976                    .auth_methods()
1977                    .iter()
1978                    .enumerate()
1979                    .rev()
1980                    .map(|(ix, method)| {
1981                        let (method_id, name) = (method.id().0.clone(), method.name().to_string());
1982                        let agent_telemetry_id = connection.telemetry_id();
1983
1984                        Button::new(method_id.clone(), name)
1985                            .label_size(LabelSize::Small)
1986                            .map(|this| {
1987                                if ix == 0 {
1988                                    this.style(ButtonStyle::Tinted(TintColor::Accent))
1989                                } else {
1990                                    this.style(ButtonStyle::Outlined)
1991                                }
1992                            })
1993                            .when_some(method.description(), |this, description| {
1994                                this.tooltip(Tooltip::text(description.to_string()))
1995                            })
1996                            .on_click({
1997                                cx.listener(move |this, _, window, cx| {
1998                                    telemetry::event!(
1999                                        "Authenticate Agent Started",
2000                                        agent = agent_telemetry_id,
2001                                        method = method_id
2002                                    );
2003
2004                                    this.authenticate(
2005                                        acp::AuthMethodId::new(method_id.clone()),
2006                                        window,
2007                                        cx,
2008                                    )
2009                                })
2010                            })
2011                    }),
2012            )
2013        };
2014
2015        if pending_auth_method.is_some() {
2016            return Callout::new()
2017                .icon(IconName::Info)
2018                .title(format!("Authenticating to {}", agent_display_name))
2019                .actions_slot(
2020                    Icon::new(IconName::ArrowCircle)
2021                        .size(IconSize::Small)
2022                        .color(Color::Muted)
2023                        .with_rotate_animation(2)
2024                        .into_any_element(),
2025                )
2026                .into_any_element();
2027        }
2028
2029        Callout::new()
2030            .icon(IconName::Info)
2031            .title(format!("Authenticate to {}", agent_display_name))
2032            .when(auth_methods.len() == 1, |this| {
2033                this.actions_slot(auth_buttons())
2034            })
2035            .description_slot(
2036                v_flex()
2037                    .text_ui(cx)
2038                    .map(|this| {
2039                        if show_fallback_description {
2040                            this.child(
2041                                Label::new("Choose one of the following authentication options:")
2042                                    .size(LabelSize::Small)
2043                                    .color(Color::Muted),
2044                            )
2045                        } else {
2046                            this.children(
2047                                configuration_view
2048                                    .cloned()
2049                                    .map(|view| div().w_full().child(view)),
2050                            )
2051                            .children(description.map(|desc| {
2052                                self.render_markdown(
2053                                    desc.clone(),
2054                                    MarkdownStyle::themed(MarkdownFont::Agent, window, cx),
2055                                )
2056                            }))
2057                        }
2058                    })
2059                    .when(auth_methods.len() > 1, |this| {
2060                        this.gap_1().child(auth_buttons())
2061                    }),
2062            )
2063            .into_any_element()
2064    }
2065
2066    fn emit_load_error_telemetry(&self, error: &LoadError) {
2067        let error_kind = match error {
2068            LoadError::Unsupported { .. } => "unsupported",
2069            LoadError::FailedToInstall(_) => "failed_to_install",
2070            LoadError::Exited { .. } => "exited",
2071            LoadError::Other(_) => "other",
2072        };
2073
2074        let agent_name = self.agent.agent_id();
2075
2076        telemetry::event!(
2077            "Agent Panel Error Shown",
2078            agent = agent_name,
2079            kind = error_kind,
2080            message = error.to_string(),
2081        );
2082    }
2083
2084    fn render_load_error(
2085        &self,
2086        e: &LoadError,
2087        window: &mut Window,
2088        cx: &mut Context<Self>,
2089    ) -> AnyElement {
2090        let (title, message, action_slot): (_, SharedString, _) = match e {
2091            LoadError::Unsupported {
2092                command: path,
2093                current_version,
2094                minimum_version,
2095            } => {
2096                return self.render_unsupported(path, current_version, minimum_version, window, cx);
2097            }
2098            LoadError::FailedToInstall(msg) => (
2099                "Failed to Install",
2100                msg.into(),
2101                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2102            ),
2103            LoadError::Exited { status } => (
2104                "Failed to Launch",
2105                format!("Server exited with status {status}").into(),
2106                None,
2107            ),
2108            LoadError::Other(msg) => (
2109                "Failed to Launch",
2110                msg.into(),
2111                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2112            ),
2113        };
2114
2115        Callout::new()
2116            .severity(Severity::Error)
2117            .icon(IconName::XCircleFilled)
2118            .title(title)
2119            .description(message)
2120            .actions_slot(div().children(action_slot))
2121            .into_any_element()
2122    }
2123
2124    fn render_unsupported(
2125        &self,
2126        path: &SharedString,
2127        version: &SharedString,
2128        minimum_version: &SharedString,
2129        _window: &mut Window,
2130        cx: &mut Context<Self>,
2131    ) -> AnyElement {
2132        let (heading_label, description_label) = (
2133            format!("Upgrade {} to work with Zed", self.agent.agent_id()),
2134            if version.is_empty() {
2135                format!(
2136                    "Currently using {}, which does not report a valid --version",
2137                    path,
2138                )
2139            } else {
2140                format!(
2141                    "Currently using {}, which is only version {} (need at least {minimum_version})",
2142                    path, version
2143                )
2144            },
2145        );
2146
2147        v_flex()
2148            .w_full()
2149            .p_3p5()
2150            .gap_2p5()
2151            .border_t_1()
2152            .border_color(cx.theme().colors().border)
2153            .bg(linear_gradient(
2154                180.,
2155                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
2156                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
2157            ))
2158            .child(
2159                v_flex().gap_0p5().child(Label::new(heading_label)).child(
2160                    Label::new(description_label)
2161                        .size(LabelSize::Small)
2162                        .color(Color::Muted),
2163                ),
2164            )
2165            .into_any_element()
2166    }
2167
2168    pub(crate) fn as_native_connection(
2169        &self,
2170        cx: &App,
2171    ) -> Option<Rc<agent::NativeAgentConnection>> {
2172        self.root_thread(cx)?
2173            .read(cx)
2174            .connection()
2175            .clone()
2176            .downcast()
2177    }
2178
2179    pub fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
2180        self.as_native_connection(cx)?
2181            .thread(self.root_session_id.as_ref()?, cx)
2182    }
2183
2184    fn queued_messages_len(&self, cx: &App) -> usize {
2185        self.root_thread_view()
2186            .map(|thread| thread.read(cx).local_queued_messages.len())
2187            .unwrap_or_default()
2188    }
2189
2190    fn update_queued_message(
2191        &mut self,
2192        index: usize,
2193        content: Vec<acp::ContentBlock>,
2194        tracked_buffers: Vec<Entity<Buffer>>,
2195        cx: &mut Context<Self>,
2196    ) -> bool {
2197        match self.root_thread_view() {
2198            Some(thread) => thread.update(cx, |thread, _cx| {
2199                if index < thread.local_queued_messages.len() {
2200                    thread.local_queued_messages[index] = QueuedMessage {
2201                        content,
2202                        tracked_buffers,
2203                    };
2204                    true
2205                } else {
2206                    false
2207                }
2208            }),
2209            None => false,
2210        }
2211    }
2212
2213    fn queued_message_contents(&self, cx: &App) -> Vec<Vec<acp::ContentBlock>> {
2214        match self.root_thread_view() {
2215            None => Vec::new(),
2216            Some(thread) => thread
2217                .read(cx)
2218                .local_queued_messages
2219                .iter()
2220                .map(|q| q.content.clone())
2221                .collect(),
2222        }
2223    }
2224
2225    fn save_queued_message_at_index(&mut self, index: usize, cx: &mut Context<Self>) {
2226        let editor = match self.root_thread_view() {
2227            Some(thread) => thread.read(cx).queued_message_editors.get(index).cloned(),
2228            None => None,
2229        };
2230        let Some(editor) = editor else {
2231            return;
2232        };
2233
2234        let contents_task = editor.update(cx, |editor, cx| editor.contents(false, cx));
2235
2236        cx.spawn(async move |this, cx| {
2237            let Ok((content, tracked_buffers)) = contents_task.await else {
2238                return Ok::<(), anyhow::Error>(());
2239            };
2240
2241            this.update(cx, |this, cx| {
2242                this.update_queued_message(index, content, tracked_buffers, cx);
2243                cx.notify();
2244            })?;
2245
2246            Ok(())
2247        })
2248        .detach_and_log_err(cx);
2249    }
2250
2251    fn sync_queued_message_editors(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2252        let needed_count = self.queued_messages_len(cx);
2253        let queued_messages = self.queued_message_contents(cx);
2254
2255        let agent_name = self.agent.agent_id();
2256        let workspace = self.workspace.clone();
2257        let project = self.project.downgrade();
2258        let Some(connected) = self.as_connected() else {
2259            return;
2260        };
2261        let Some(thread) = connected.active_view() else {
2262            return;
2263        };
2264        let session_capabilities = thread.read(cx).session_capabilities.clone();
2265
2266        let current_count = thread.read(cx).queued_message_editors.len();
2267        let last_synced = thread.read(cx).last_synced_queue_length;
2268
2269        if current_count == needed_count && needed_count == last_synced {
2270            return;
2271        }
2272
2273        if current_count > needed_count {
2274            thread.update(cx, |thread, _cx| {
2275                thread.queued_message_editors.truncate(needed_count);
2276                thread
2277                    .queued_message_editor_subscriptions
2278                    .truncate(needed_count);
2279            });
2280
2281            let editors = thread.read(cx).queued_message_editors.clone();
2282            for (index, editor) in editors.into_iter().enumerate() {
2283                if let Some(content) = queued_messages.get(index) {
2284                    editor.update(cx, |editor, cx| {
2285                        editor.set_read_only(true, cx);
2286                        editor.set_message(content.clone(), window, cx);
2287                    });
2288                }
2289            }
2290        }
2291
2292        while thread.read(cx).queued_message_editors.len() < needed_count {
2293            let index = thread.read(cx).queued_message_editors.len();
2294            let content = queued_messages.get(index).cloned().unwrap_or_default();
2295
2296            let editor = cx.new(|cx| {
2297                let mut editor = MessageEditor::new(
2298                    workspace.clone(),
2299                    project.clone(),
2300                    None,
2301                    None,
2302                    session_capabilities.clone(),
2303                    agent_name.clone(),
2304                    "",
2305                    EditorMode::AutoHeight {
2306                        min_lines: 1,
2307                        max_lines: Some(10),
2308                    },
2309                    window,
2310                    cx,
2311                );
2312                editor.set_read_only(true, cx);
2313                editor.set_message(content, window, cx);
2314                editor
2315            });
2316
2317            let subscription = cx.subscribe_in(
2318                &editor,
2319                window,
2320                move |this, _editor, event, window, cx| match event {
2321                    MessageEditorEvent::InputAttempted {
2322                        text,
2323                        cursor_offset,
2324                    } => this.move_queued_message_to_main_editor(
2325                        index,
2326                        Some(text.as_ref()),
2327                        Some(*cursor_offset),
2328                        window,
2329                        cx,
2330                    ),
2331                    MessageEditorEvent::LostFocus => {
2332                        this.save_queued_message_at_index(index, cx);
2333                    }
2334                    MessageEditorEvent::Cancel => {
2335                        window.focus(&this.focus_handle(cx), cx);
2336                    }
2337                    MessageEditorEvent::Send => {
2338                        window.focus(&this.focus_handle(cx), cx);
2339                    }
2340                    MessageEditorEvent::SendImmediately => {
2341                        this.send_queued_message_at_index(index, true, window, cx);
2342                    }
2343                    _ => {}
2344                },
2345            );
2346
2347            thread.update(cx, |thread, _cx| {
2348                thread.queued_message_editors.push(editor);
2349                thread
2350                    .queued_message_editor_subscriptions
2351                    .push(subscription);
2352            });
2353        }
2354
2355        if let Some(active) = self.root_thread_view() {
2356            active.update(cx, |active, _cx| {
2357                active.last_synced_queue_length = needed_count;
2358            });
2359        }
2360    }
2361
2362    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
2363        let workspace = self.workspace.clone();
2364        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
2365            crate::conversation_view::thread_view::open_link(text, &workspace, window, cx);
2366        })
2367    }
2368
2369    fn notify_with_sound(
2370        &mut self,
2371        caption: impl Into<SharedString>,
2372        icon: IconName,
2373        window: &mut Window,
2374        cx: &mut Context<Self>,
2375    ) {
2376        #[cfg(feature = "audio")]
2377        self.play_notification_sound(window, cx);
2378        self.show_notification(caption, icon, window, cx);
2379    }
2380
2381    fn is_visible(&self, multi_workspace: &Entity<MultiWorkspace>, cx: &Context<Self>) -> bool {
2382        let Some(workspace) = self.workspace.upgrade() else {
2383            return false;
2384        };
2385
2386        multi_workspace.read(cx).sidebar_open()
2387            || multi_workspace.read(cx).workspace() == &workspace
2388                && AgentPanel::is_visible(&workspace, cx)
2389                && multi_workspace
2390                    .read(cx)
2391                    .workspace()
2392                    .read(cx)
2393                    .panel::<AgentPanel>(cx)
2394                    .map_or(false, |p| {
2395                        p.read(cx).active_conversation_view().map(|c| c.entity_id())
2396                            == Some(cx.entity_id())
2397                    })
2398    }
2399
2400    fn agent_status_visible(&self, window: &Window, cx: &Context<Self>) -> bool {
2401        if !window.is_window_active() {
2402            return false;
2403        }
2404
2405        if let Some(multi_workspace) = window.root::<MultiWorkspace>().flatten() {
2406            self.is_visible(&multi_workspace, cx)
2407        } else {
2408            self.workspace
2409                .upgrade()
2410                .is_some_and(|workspace| AgentPanel::is_visible(&workspace, cx))
2411        }
2412    }
2413
2414    #[cfg(feature = "audio")]
2415    fn play_notification_sound(&self, window: &Window, cx: &mut Context<Self>) {
2416        let visible = window.is_window_active()
2417            && if let Some(mw) = window.root::<MultiWorkspace>().flatten() {
2418                self.is_visible(&mw, cx)
2419            } else {
2420                self.workspace
2421                    .upgrade()
2422                    .is_some_and(|workspace| AgentPanel::is_visible(&workspace, cx))
2423            };
2424        let settings = AgentSettings::get_global(cx);
2425        if settings.play_sound_when_agent_done.should_play(visible) {
2426            Audio::play_sound(Sound::AgentDone, cx);
2427        }
2428    }
2429
2430    fn show_notification(
2431        &mut self,
2432        caption: impl Into<SharedString>,
2433        icon: IconName,
2434        window: &mut Window,
2435        cx: &mut Context<Self>,
2436    ) {
2437        if !self.notifications.is_empty() {
2438            return;
2439        }
2440
2441        let settings = AgentSettings::get_global(cx);
2442
2443        let should_notify = !self.agent_status_visible(window, cx);
2444
2445        if !should_notify {
2446            return;
2447        }
2448
2449        let Some(root_thread) = self.root_thread_view() else {
2450            return;
2451        };
2452        let root_thread = root_thread.read(cx).thread.read(cx);
2453        let root_session_id = root_thread.session_id().clone();
2454        let root_work_dirs = root_thread.work_dirs().cloned();
2455        let root_title = root_thread.title();
2456
2457        // TODO: Change this once we have title summarization for external agents.
2458        let title = self.agent.agent_id().0;
2459
2460        match settings.notify_when_agent_waiting {
2461            NotifyWhenAgentWaiting::PrimaryScreen => {
2462                if let Some(primary) = cx.primary_display() {
2463                    self.pop_up(
2464                        icon,
2465                        caption.into(),
2466                        title,
2467                        root_session_id,
2468                        root_work_dirs,
2469                        root_title,
2470                        window,
2471                        primary,
2472                        cx,
2473                    );
2474                }
2475            }
2476            NotifyWhenAgentWaiting::AllScreens => {
2477                let caption = caption.into();
2478                for screen in cx.displays() {
2479                    self.pop_up(
2480                        icon,
2481                        caption.clone(),
2482                        title.clone(),
2483                        root_session_id.clone(),
2484                        root_work_dirs.clone(),
2485                        root_title.clone(),
2486                        window,
2487                        screen,
2488                        cx,
2489                    );
2490                }
2491            }
2492            NotifyWhenAgentWaiting::Never => {
2493                // Don't show anything
2494            }
2495        }
2496    }
2497
2498    fn pop_up(
2499        &mut self,
2500        icon: IconName,
2501        caption: SharedString,
2502        title: SharedString,
2503        root_session_id: acp::SessionId,
2504        root_work_dirs: Option<PathList>,
2505        root_title: Option<SharedString>,
2506        window: &mut Window,
2507        screen: Rc<dyn PlatformDisplay>,
2508        cx: &mut Context<Self>,
2509    ) {
2510        let options = AgentNotification::window_options(screen, cx);
2511
2512        let project_name = self.workspace.upgrade().and_then(|workspace| {
2513            workspace
2514                .read(cx)
2515                .project()
2516                .read(cx)
2517                .visible_worktrees(cx)
2518                .next()
2519                .map(|worktree| worktree.read(cx).root_name_str().to_string())
2520        });
2521
2522        if let Some(screen_window) = cx
2523            .open_window(options, |_window, cx| {
2524                cx.new(|_cx| {
2525                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
2526                })
2527            })
2528            .log_err()
2529            && let Some(pop_up) = screen_window.entity(cx).log_err()
2530        {
2531            self.notification_subscriptions
2532                .entry(screen_window)
2533                .or_insert_with(Vec::new)
2534                .push(cx.subscribe_in(&pop_up, window, {
2535                    move |this, _, event, window, cx| match event {
2536                        AgentNotificationEvent::Accepted => {
2537                            let Some(handle) = window.window_handle().downcast::<MultiWorkspace>()
2538                            else {
2539                                log::error!("root view should be a MultiWorkspace");
2540                                return;
2541                            };
2542                            cx.activate(true);
2543
2544                            let workspace_handle = this.workspace.clone();
2545                            let agent = this.connection_key.clone();
2546                            let root_session_id = root_session_id.clone();
2547                            let root_work_dirs = root_work_dirs.clone();
2548                            let root_title = root_title.clone();
2549
2550                            cx.defer(move |cx| {
2551                                handle
2552                                    .update(cx, |multi_workspace, window, cx| {
2553                                        window.activate_window();
2554                                        if let Some(workspace) = workspace_handle.upgrade() {
2555                                            multi_workspace.activate(
2556                                                workspace.clone(),
2557                                                None,
2558                                                window,
2559                                                cx,
2560                                            );
2561                                            workspace.update(cx, |workspace, cx| {
2562                                                workspace.reveal_panel::<AgentPanel>(window, cx);
2563                                                if let Some(panel) =
2564                                                    workspace.panel::<AgentPanel>(cx)
2565                                                {
2566                                                    panel.update(cx, |panel, cx| {
2567                                                        panel.load_agent_thread(
2568                                                            agent.clone(),
2569                                                            root_session_id.clone(),
2570                                                            root_work_dirs.clone(),
2571                                                            root_title.clone(),
2572                                                            true,
2573                                                            "agent_panel",
2574                                                            window,
2575                                                            cx,
2576                                                        );
2577                                                    });
2578                                                }
2579                                                workspace.focus_panel::<AgentPanel>(window, cx);
2580                                            });
2581                                        }
2582                                    })
2583                                    .log_err();
2584                            });
2585
2586                            this.dismiss_notifications(cx);
2587                        }
2588                        AgentNotificationEvent::Dismissed => {
2589                            this.dismiss_notifications(cx);
2590                        }
2591                    }
2592                }));
2593
2594            self.notifications.push(screen_window);
2595
2596            // If the user manually refocuses the original window, dismiss the popup.
2597            self.notification_subscriptions
2598                .entry(screen_window)
2599                .or_insert_with(Vec::new)
2600                .push({
2601                    let pop_up_weak = pop_up.downgrade();
2602
2603                    cx.observe_window_activation(window, move |this, window, cx| {
2604                        if this.agent_status_visible(window, cx)
2605                            && let Some(pop_up) = pop_up_weak.upgrade()
2606                        {
2607                            pop_up.update(cx, |notification, cx| {
2608                                notification.dismiss(cx);
2609                            });
2610                        }
2611                    })
2612                });
2613        }
2614    }
2615
2616    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
2617        for window in self.notifications.drain(..) {
2618            window
2619                .update(cx, |_, window, _| {
2620                    window.remove_window();
2621                })
2622                .ok();
2623
2624            self.notification_subscriptions.remove(&window);
2625        }
2626    }
2627
2628    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
2629        if let Some(entry_view_state) = self
2630            .active_thread()
2631            .map(|active| active.read(cx).entry_view_state.clone())
2632        {
2633            entry_view_state.update(cx, |entry_view_state, cx| {
2634                entry_view_state.agent_ui_font_size_changed(cx);
2635            });
2636        }
2637    }
2638
2639    pub(crate) fn insert_dragged_files(
2640        &self,
2641        paths: Vec<project::ProjectPath>,
2642        added_worktrees: Vec<Entity<project::Worktree>>,
2643        window: &mut Window,
2644        cx: &mut Context<Self>,
2645    ) {
2646        if let Some(active_thread) = self.active_thread() {
2647            active_thread.update(cx, |thread, cx| {
2648                thread.message_editor.update(cx, |editor, cx| {
2649                    editor.insert_dragged_files(paths, added_worktrees, window, cx);
2650                    editor.focus_handle(cx).focus(window, cx);
2651                })
2652            });
2653        }
2654    }
2655
2656    /// Inserts the selected text into the message editor or the message being
2657    /// edited, if any.
2658    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
2659        if let Some(active_thread) = self.active_thread() {
2660            active_thread.update(cx, |thread, cx| {
2661                thread.active_editor(cx).update(cx, |editor, cx| {
2662                    editor.insert_selections(window, cx);
2663                })
2664            });
2665        }
2666    }
2667
2668    fn current_model_name(&self, cx: &App) -> SharedString {
2669        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
2670        // For ACP agents, use the agent name (e.g., "Claude Agent", "Gemini CLI")
2671        // This provides better clarity about what refused the request
2672        if self.as_native_connection(cx).is_some() {
2673            self.root_thread_view()
2674                .and_then(|active| active.read(cx).model_selector.clone())
2675                .and_then(|selector| selector.read(cx).active_model(cx))
2676                .map(|model| model.name.clone())
2677                .unwrap_or_else(|| SharedString::from("The model"))
2678        } else {
2679            // ACP agent - use the agent name (e.g., "Claude Agent", "Gemini CLI")
2680            self.agent.agent_id().0
2681        }
2682    }
2683
2684    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
2685        let message = message.into();
2686
2687        CopyButton::new("copy-error-message", message).tooltip_label("Copy Error Message")
2688    }
2689
2690    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2691        let agent_id = self.agent.agent_id();
2692        if let Some(active) = self.root_thread_view() {
2693            active.update(cx, |active, cx| active.clear_thread_error(cx));
2694        }
2695        let this = cx.weak_entity();
2696        let Some(connection) = self.as_connected().map(|c| c.connection.clone()) else {
2697            debug_panic!("This should not be possible");
2698            return;
2699        };
2700        window.defer(cx, |window, cx| {
2701            Self::handle_auth_required(this, AuthRequired::new(), agent_id, connection, window, cx);
2702        })
2703    }
2704}
2705
2706fn loading_contents_spinner(size: IconSize) -> AnyElement {
2707    Icon::new(IconName::LoadCircle)
2708        .size(size)
2709        .color(Color::Accent)
2710        .with_rotate_animation(3)
2711        .into_any_element()
2712}
2713
2714fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
2715    if agent_name == agent::ZED_AGENT_ID.as_ref() {
2716        format!("Message the {} — @ to include context", agent_name)
2717    } else if has_commands {
2718        format!(
2719            "Message {} — @ to include context, / for commands",
2720            agent_name
2721        )
2722    } else {
2723        format!("Message {} — @ to include context", agent_name)
2724    }
2725}
2726
2727impl Focusable for ConversationView {
2728    fn focus_handle(&self, cx: &App) -> FocusHandle {
2729        match self.active_thread() {
2730            Some(thread) => thread.read(cx).focus_handle(cx),
2731            None => self.focus_handle.clone(),
2732        }
2733    }
2734}
2735
2736#[cfg(any(test, feature = "test-support"))]
2737impl ConversationView {
2738    /// Expands a tool call so its content is visible.
2739    /// This is primarily useful for visual testing.
2740    pub fn expand_tool_call(&mut self, tool_call_id: acp::ToolCallId, cx: &mut Context<Self>) {
2741        if let Some(active) = self.active_thread() {
2742            active.update(cx, |active, _cx| {
2743                active.expanded_tool_calls.insert(tool_call_id);
2744            });
2745            cx.notify();
2746        }
2747    }
2748
2749    #[cfg(any(test, feature = "test-support"))]
2750    pub fn set_updated_at(&mut self, updated_at: Instant, cx: &mut Context<Self>) {
2751        let Some(connected) = self.as_connected_mut() else {
2752            return;
2753        };
2754
2755        connected.conversation.update(cx, |conversation, _cx| {
2756            conversation.updated_at = Some(updated_at);
2757        });
2758    }
2759}
2760
2761impl Render for ConversationView {
2762    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2763        self.sync_queued_message_editors(window, cx);
2764
2765        v_flex()
2766            .track_focus(&self.focus_handle)
2767            .size_full()
2768            .bg(cx.theme().colors().panel_background)
2769            .child(match &self.server_state {
2770                ServerState::Loading { .. } => v_flex()
2771                    .flex_1()
2772                    .size_full()
2773                    .items_center()
2774                    .justify_center()
2775                    .child(
2776                        Label::new("Loading…").color(Color::Muted).with_animation(
2777                            "loading-agent-label",
2778                            Animation::new(Duration::from_secs(2))
2779                                .repeat()
2780                                .with_easing(pulsating_between(0.3, 0.7)),
2781                            |label, delta| label.alpha(delta),
2782                        ),
2783                    )
2784                    .into_any(),
2785                ServerState::LoadError { error: e, .. } => v_flex()
2786                    .flex_1()
2787                    .size_full()
2788                    .items_center()
2789                    .justify_end()
2790                    .child(self.render_load_error(e, window, cx))
2791                    .into_any(),
2792                ServerState::Connected(ConnectedServerState {
2793                    connection,
2794                    auth_state:
2795                        AuthState::Unauthenticated {
2796                            description,
2797                            configuration_view,
2798                            pending_auth_method,
2799                            _subscription,
2800                        },
2801                    ..
2802                }) => v_flex()
2803                    .flex_1()
2804                    .size_full()
2805                    .justify_end()
2806                    .child(self.render_auth_required_state(
2807                        connection,
2808                        description.as_ref(),
2809                        configuration_view.as_ref(),
2810                        pending_auth_method.as_ref(),
2811                        window,
2812                        cx,
2813                    ))
2814                    .into_any_element(),
2815                ServerState::Connected(connected) => {
2816                    if let Some(view) = connected.active_view() {
2817                        view.clone().into_any_element()
2818                    } else {
2819                        debug_panic!("This state should never be reached");
2820                        div().into_any_element()
2821                    }
2822                }
2823            })
2824    }
2825}
2826
2827fn plan_label_markdown_style(
2828    status: &acp::PlanEntryStatus,
2829    window: &Window,
2830    cx: &App,
2831) -> MarkdownStyle {
2832    let default_md_style = MarkdownStyle::themed(MarkdownFont::Agent, window, cx);
2833
2834    MarkdownStyle {
2835        base_text_style: TextStyle {
2836            color: cx.theme().colors().text_muted,
2837            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
2838                Some(gpui::StrikethroughStyle {
2839                    thickness: px(1.),
2840                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
2841                })
2842            } else {
2843                None
2844            },
2845            ..default_md_style.base_text_style
2846        },
2847        ..default_md_style
2848    }
2849}
2850
2851#[cfg(test)]
2852pub(crate) mod tests {
2853    use acp_thread::StubAgentConnection;
2854    use action_log::ActionLog;
2855    use agent::{AgentTool, EditFileTool, FetchTool, TerminalTool, ToolPermissionContext};
2856    use agent_servers::FakeAcpAgentServer;
2857    use editor::MultiBufferOffset;
2858    use fs::FakeFs;
2859    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
2860    use parking_lot::Mutex;
2861    use project::Project;
2862    use serde_json::json;
2863    use settings::SettingsStore;
2864    use std::any::Any;
2865    use std::path::{Path, PathBuf};
2866    use std::rc::Rc;
2867    use std::sync::Arc;
2868    use workspace::{Item, MultiWorkspace};
2869
2870    use crate::agent_panel;
2871    use crate::thread_metadata_store::ThreadMetadataStore;
2872
2873    use super::*;
2874
2875    #[gpui::test]
2876    async fn test_drop(cx: &mut TestAppContext) {
2877        init_test(cx);
2878
2879        let (conversation_view, _cx) =
2880            setup_conversation_view(StubAgentServer::default_response(), cx).await;
2881        let weak_view = conversation_view.downgrade();
2882        drop(conversation_view);
2883        assert!(!weak_view.is_upgradable());
2884    }
2885
2886    #[gpui::test]
2887    async fn test_external_source_prompt_requires_manual_send(cx: &mut TestAppContext) {
2888        init_test(cx);
2889
2890        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2891            panic!("expected prompt from external source to sanitize successfully");
2892        };
2893        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2894
2895        let (conversation_view, cx) = setup_conversation_view_with_initial_content(
2896            StubAgentServer::default_response(),
2897            initial_content,
2898            cx,
2899        )
2900        .await;
2901
2902        active_thread(&conversation_view, cx).read_with(cx, |view, cx| {
2903            assert!(view.show_external_source_prompt_warning);
2904            assert_eq!(view.thread.read(cx).entries().len(), 0);
2905            assert_eq!(view.message_editor.read(cx).text(cx), "Write me a script");
2906        });
2907    }
2908
2909    #[gpui::test]
2910    async fn test_external_source_prompt_warning_clears_after_send(cx: &mut TestAppContext) {
2911        init_test(cx);
2912
2913        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2914            panic!("expected prompt from external source to sanitize successfully");
2915        };
2916        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2917
2918        let (conversation_view, cx) = setup_conversation_view_with_initial_content(
2919            StubAgentServer::default_response(),
2920            initial_content,
2921            cx,
2922        )
2923        .await;
2924
2925        active_thread(&conversation_view, cx)
2926            .update_in(cx, |view, window, cx| view.send(window, cx));
2927        cx.run_until_parked();
2928
2929        active_thread(&conversation_view, cx).read_with(cx, |view, cx| {
2930            assert!(!view.show_external_source_prompt_warning);
2931            assert_eq!(view.message_editor.read(cx).text(cx), "");
2932            assert_eq!(view.thread.read(cx).entries().len(), 2);
2933        });
2934    }
2935
2936    #[gpui::test]
2937    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
2938        init_test(cx);
2939
2940        let (conversation_view, cx) =
2941            setup_conversation_view(StubAgentServer::default_response(), cx).await;
2942
2943        let message_editor = message_editor(&conversation_view, cx);
2944        message_editor.update_in(cx, |editor, window, cx| {
2945            editor.set_text("Hello", window, cx);
2946        });
2947
2948        cx.deactivate_window();
2949
2950        active_thread(&conversation_view, cx)
2951            .update_in(cx, |view, window, cx| view.send(window, cx));
2952
2953        cx.run_until_parked();
2954
2955        assert!(
2956            cx.windows()
2957                .iter()
2958                .any(|window| window.downcast::<AgentNotification>().is_some())
2959        );
2960    }
2961
2962    #[gpui::test]
2963    async fn test_notification_for_error(cx: &mut TestAppContext) {
2964        init_test(cx);
2965
2966        let server = FakeAcpAgentServer::new();
2967        let (conversation_view, cx) = setup_conversation_view(server.clone(), cx).await;
2968
2969        let message_editor = message_editor(&conversation_view, cx);
2970        message_editor.update_in(cx, |editor, window, cx| {
2971            editor.set_text("Hello", window, cx);
2972        });
2973
2974        cx.deactivate_window();
2975        server.fail_next_prompt();
2976
2977        active_thread(&conversation_view, cx)
2978            .update_in(cx, |view, window, cx| view.send(window, cx));
2979
2980        cx.run_until_parked();
2981
2982        assert!(
2983            cx.windows()
2984                .iter()
2985                .any(|window| window.downcast::<AgentNotification>().is_some())
2986        );
2987    }
2988
2989    #[gpui::test]
2990    async fn test_acp_server_exit_transitions_conversation_to_load_error_without_panic(
2991        cx: &mut TestAppContext,
2992    ) {
2993        init_test(cx);
2994
2995        let server = FakeAcpAgentServer::new();
2996        let close_session_count = server.close_session_count();
2997        let (conversation_view, cx) = setup_conversation_view(server.clone(), cx).await;
2998
2999        cx.run_until_parked();
3000
3001        server.simulate_server_exit();
3002        cx.run_until_parked();
3003
3004        conversation_view.read_with(cx, |view, _cx| {
3005            assert!(
3006                matches!(view.server_state, ServerState::LoadError { .. }),
3007                "Conversation should transition to LoadError when an ACP thread exits"
3008            );
3009        });
3010        assert_eq!(
3011            close_session_count.load(std::sync::atomic::Ordering::SeqCst),
3012            1,
3013            "ConversationView should close the ACP session after a thread exit"
3014        );
3015    }
3016
3017    #[gpui::test]
3018    async fn test_resume_without_history_adds_notice(cx: &mut TestAppContext) {
3019        init_test(cx);
3020
3021        let fs = FakeFs::new(cx.executor());
3022        let project = Project::test(fs, [], cx).await;
3023        let (multi_workspace, cx) =
3024            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3025        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3026
3027        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3028        let connection_store =
3029            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3030
3031        let conversation_view = cx.update(|window, cx| {
3032            cx.new(|cx| {
3033                ConversationView::new(
3034                    Rc::new(StubAgentServer::new(ResumeOnlyAgentConnection)),
3035                    connection_store,
3036                    Agent::Custom { id: "Test".into() },
3037                    Some(acp::SessionId::new("resume-session")),
3038                    None,
3039                    None,
3040                    None,
3041                    None,
3042                    workspace.downgrade(),
3043                    project,
3044                    Some(thread_store),
3045                    None,
3046                    "agent_panel",
3047                    window,
3048                    cx,
3049                )
3050            })
3051        });
3052
3053        cx.run_until_parked();
3054
3055        conversation_view.read_with(cx, |view, cx| {
3056            let state = view.active_thread().unwrap();
3057            assert!(state.read(cx).resumed_without_history);
3058            assert_eq!(state.read(cx).list_state.item_count(), 0);
3059        });
3060    }
3061
3062    #[derive(Clone)]
3063    struct RestoredAvailableCommandsConnection;
3064
3065    impl AgentConnection for RestoredAvailableCommandsConnection {
3066        fn agent_id(&self) -> AgentId {
3067            AgentId::new("restored-available-commands")
3068        }
3069
3070        fn telemetry_id(&self) -> SharedString {
3071            "restored-available-commands".into()
3072        }
3073
3074        fn new_session(
3075            self: Rc<Self>,
3076            project: Entity<Project>,
3077            _work_dirs: PathList,
3078            cx: &mut App,
3079        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3080            let thread = build_test_thread(
3081                self,
3082                project,
3083                "RestoredAvailableCommandsConnection",
3084                acp::SessionId::new("new-session"),
3085                cx,
3086            );
3087            Task::ready(Ok(thread))
3088        }
3089
3090        fn supports_load_session(&self) -> bool {
3091            true
3092        }
3093
3094        fn load_session(
3095            self: Rc<Self>,
3096            session_id: acp::SessionId,
3097            project: Entity<Project>,
3098            _work_dirs: PathList,
3099            _title: Option<SharedString>,
3100            cx: &mut App,
3101        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3102            let thread = build_test_thread(
3103                self,
3104                project,
3105                "RestoredAvailableCommandsConnection",
3106                session_id,
3107                cx,
3108            );
3109
3110            thread
3111                .update(cx, |thread, cx| {
3112                    thread.handle_session_update(
3113                        acp::SessionUpdate::AvailableCommandsUpdate(
3114                            acp::AvailableCommandsUpdate::new(vec![acp::AvailableCommand::new(
3115                                "help", "Get help",
3116                            )]),
3117                        ),
3118                        cx,
3119                    )
3120                })
3121                .expect("available commands update should succeed");
3122
3123            Task::ready(Ok(thread))
3124        }
3125
3126        fn auth_methods(&self) -> &[acp::AuthMethod] {
3127            &[]
3128        }
3129
3130        fn authenticate(
3131            &self,
3132            _method_id: acp::AuthMethodId,
3133            _cx: &mut App,
3134        ) -> Task<gpui::Result<()>> {
3135            Task::ready(Ok(()))
3136        }
3137
3138        fn prompt(
3139            &self,
3140            _id: acp_thread::UserMessageId,
3141            _params: acp::PromptRequest,
3142            _cx: &mut App,
3143        ) -> Task<gpui::Result<acp::PromptResponse>> {
3144            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
3145        }
3146
3147        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
3148
3149        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3150            self
3151        }
3152    }
3153
3154    #[gpui::test]
3155    async fn test_restored_threads_keep_available_commands(cx: &mut TestAppContext) {
3156        init_test(cx);
3157
3158        let fs = FakeFs::new(cx.executor());
3159        let project = Project::test(fs, [], cx).await;
3160        let (multi_workspace, cx) =
3161            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3162        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3163
3164        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3165        let connection_store =
3166            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3167
3168        let conversation_view = cx.update(|window, cx| {
3169            cx.new(|cx| {
3170                ConversationView::new(
3171                    Rc::new(StubAgentServer::new(RestoredAvailableCommandsConnection)),
3172                    connection_store,
3173                    Agent::Custom { id: "Test".into() },
3174                    Some(acp::SessionId::new("restored-session")),
3175                    None,
3176                    None,
3177                    None,
3178                    None,
3179                    workspace.downgrade(),
3180                    project,
3181                    Some(thread_store),
3182                    None,
3183                    "agent_panel",
3184                    window,
3185                    cx,
3186                )
3187            })
3188        });
3189
3190        cx.run_until_parked();
3191
3192        let message_editor = message_editor(&conversation_view, cx);
3193        let editor =
3194            message_editor.update(cx, |message_editor, _cx| message_editor.editor().clone());
3195        let placeholder = editor.update(cx, |editor, cx| editor.placeholder_text(cx));
3196
3197        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
3198            let available_commands = view
3199                .session_capabilities
3200                .read()
3201                .available_commands()
3202                .to_vec();
3203            assert_eq!(available_commands.len(), 1);
3204            assert_eq!(available_commands[0].name.as_str(), "help");
3205            assert_eq!(available_commands[0].description.as_str(), "Get help");
3206        });
3207
3208        assert_eq!(
3209            placeholder,
3210            Some("Message Test — @ to include context, / for commands".to_string())
3211        );
3212
3213        message_editor.update_in(cx, |editor, window, cx| {
3214            editor.set_text("/help", window, cx);
3215        });
3216
3217        let contents_result = message_editor
3218            .update(cx, |editor, cx| editor.contents(false, cx))
3219            .await;
3220
3221        assert!(contents_result.is_ok());
3222    }
3223
3224    #[gpui::test]
3225    async fn test_resume_thread_uses_session_cwd_when_inside_project(cx: &mut TestAppContext) {
3226        init_test(cx);
3227
3228        let fs = FakeFs::new(cx.executor());
3229        fs.insert_tree(
3230            "/project",
3231            json!({
3232                "subdir": {
3233                    "file.txt": "hello"
3234                }
3235            }),
3236        )
3237        .await;
3238        let project = Project::test(fs, [Path::new("/project")], cx).await;
3239        let (multi_workspace, cx) =
3240            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3241        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3242
3243        let connection = CwdCapturingConnection::new();
3244        let captured_cwd = connection.captured_work_dirs.clone();
3245
3246        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3247        let connection_store =
3248            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3249
3250        let _conversation_view = cx.update(|window, cx| {
3251            cx.new(|cx| {
3252                ConversationView::new(
3253                    Rc::new(StubAgentServer::new(connection)),
3254                    connection_store,
3255                    Agent::Custom { id: "Test".into() },
3256                    Some(acp::SessionId::new("session-1")),
3257                    None,
3258                    Some(PathList::new(&[PathBuf::from("/project/subdir")])),
3259                    None,
3260                    None,
3261                    workspace.downgrade(),
3262                    project,
3263                    Some(thread_store),
3264                    None,
3265                    "agent_panel",
3266                    window,
3267                    cx,
3268                )
3269            })
3270        });
3271
3272        cx.run_until_parked();
3273
3274        assert_eq!(
3275            captured_cwd.lock().as_ref().unwrap(),
3276            &PathList::new(&[Path::new("/project/subdir")]),
3277            "Should use session cwd when it's inside the project"
3278        );
3279    }
3280
3281    #[gpui::test]
3282    async fn test_refusal_handling(cx: &mut TestAppContext) {
3283        init_test(cx);
3284
3285        let (conversation_view, cx) =
3286            setup_conversation_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
3287
3288        let message_editor = message_editor(&conversation_view, cx);
3289        message_editor.update_in(cx, |editor, window, cx| {
3290            editor.set_text("Do something harmful", window, cx);
3291        });
3292
3293        active_thread(&conversation_view, cx)
3294            .update_in(cx, |view, window, cx| view.send(window, cx));
3295
3296        cx.run_until_parked();
3297
3298        // Check that the refusal error is set
3299        conversation_view.read_with(cx, |thread_view, cx| {
3300            let state = thread_view.active_thread().unwrap();
3301            assert!(
3302                matches!(state.read(cx).thread_error, Some(ThreadError::Refusal)),
3303                "Expected refusal error to be set"
3304            );
3305        });
3306    }
3307
3308    #[gpui::test]
3309    async fn test_connect_failure_transitions_to_load_error(cx: &mut TestAppContext) {
3310        init_test(cx);
3311
3312        let (conversation_view, cx) = setup_conversation_view(FailingAgentServer, cx).await;
3313
3314        conversation_view.read_with(cx, |view, cx| {
3315            let title = view.title(cx);
3316            assert_eq!(
3317                title.as_ref(),
3318                "Error Loading Codex CLI",
3319                "Tab title should show the agent name with an error prefix"
3320            );
3321            match &view.server_state {
3322                ServerState::LoadError {
3323                    error: LoadError::Other(msg),
3324                    ..
3325                } => {
3326                    assert!(
3327                        msg.contains("Invalid gzip header"),
3328                        "Error callout should contain the underlying extraction error, got: {msg}"
3329                    );
3330                }
3331                other => panic!(
3332                    "Expected LoadError::Other, got: {}",
3333                    match other {
3334                        ServerState::Loading { .. } => "Loading (stuck!)",
3335                        ServerState::LoadError { .. } => "LoadError (wrong variant)",
3336                        ServerState::Connected(_) => "Connected",
3337                    }
3338                ),
3339            }
3340        });
3341    }
3342
3343    #[gpui::test]
3344    async fn test_reset_preserves_session_id_after_load_error(cx: &mut TestAppContext) {
3345        use crate::thread_metadata_store::{ThreadId, ThreadMetadata};
3346        use chrono::Utc;
3347        use project::{AgentId as ProjectAgentId, WorktreePaths};
3348        use std::sync::atomic::Ordering;
3349
3350        init_test(cx);
3351
3352        let fs = FakeFs::new(cx.executor());
3353        let project = Project::test(fs, [], cx).await;
3354        let (multi_workspace, cx) =
3355            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3356        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3357
3358        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3359        let connection_store =
3360            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3361
3362        // Simulate a previous run that persisted metadata for this session.
3363        let resume_session_id = acp::SessionId::new("persistent-session");
3364        let stored_title: SharedString = "Persistent chat".into();
3365        cx.update(|_window, cx| {
3366            ThreadMetadataStore::global(cx).update(cx, |store, cx| {
3367                store.save(
3368                    ThreadMetadata {
3369                        thread_id: ThreadId::new(),
3370                        session_id: Some(resume_session_id.clone()),
3371                        agent_id: ProjectAgentId::new("Flaky"),
3372                        title: Some(stored_title.clone()),
3373                        updated_at: Utc::now(),
3374                        created_at: Some(Utc::now()),
3375                        interacted_at: None,
3376                        worktree_paths: WorktreePaths::from_folder_paths(&PathList::default()),
3377                        remote_connection: None,
3378                        archived: false,
3379                    },
3380                    cx,
3381                );
3382            });
3383        });
3384
3385        let connection = StubAgentConnection::new().with_supports_load_session(true);
3386        let (server, fail) = FlakyAgentServer::new(connection);
3387
3388        let conversation_view = cx.update(|window, cx| {
3389            cx.new(|cx| {
3390                ConversationView::new(
3391                    Rc::new(server),
3392                    connection_store,
3393                    Agent::Custom { id: "Flaky".into() },
3394                    Some(resume_session_id.clone()),
3395                    None,
3396                    None,
3397                    None,
3398                    None,
3399                    workspace.downgrade(),
3400                    project.clone(),
3401                    Some(thread_store),
3402                    None,
3403                    "agent_panel",
3404                    window,
3405                    cx,
3406                )
3407            })
3408        });
3409        cx.run_until_parked();
3410
3411        // The first connect() fails, so we land in LoadError.
3412        conversation_view.read_with(cx, |view, _cx| {
3413            assert!(
3414                matches!(view.server_state, ServerState::LoadError { .. }),
3415                "expected LoadError after failed initial connect"
3416            );
3417            assert_eq!(
3418                view.root_session_id.as_ref(),
3419                Some(&resume_session_id),
3420                "root_session_id should still hold the original id while in LoadError"
3421            );
3422        });
3423
3424        // Now let the agent come online and emit AgentServersUpdated. This is
3425        // the moment the bug would have stomped on root_session_id.
3426        fail.store(false, Ordering::SeqCst);
3427        project.update(cx, |project, cx| {
3428            project
3429                .agent_server_store()
3430                .update(cx, |_store, cx| cx.emit(project::AgentServersUpdated));
3431        });
3432        cx.run_until_parked();
3433
3434        // The retry should have resumed the ORIGINAL session, not created a
3435        // brand-new one.
3436        conversation_view.read_with(cx, |view, cx| {
3437            let connected = view
3438                .as_connected()
3439                .expect("should be Connected after flaky server comes online");
3440            let active_id = connected
3441                .active_id
3442                .as_ref()
3443                .expect("Connected state should have an active_id");
3444            assert_eq!(
3445                active_id, &resume_session_id,
3446                "reset() must resume the original session id, not call new_session()"
3447            );
3448            let active_thread = view
3449                .active_thread()
3450                .expect("should have an active thread view");
3451            let thread_session = active_thread.read(cx).thread.read(cx).session_id().clone();
3452            assert_eq!(
3453                thread_session, resume_session_id,
3454                "the live AcpThread should hold the resumed session id"
3455            );
3456        });
3457    }
3458
3459    #[gpui::test]
3460    async fn test_auth_required_on_initial_connect(cx: &mut TestAppContext) {
3461        init_test(cx);
3462
3463        let connection = AuthGatedAgentConnection::new();
3464        let (conversation_view, cx) =
3465            setup_conversation_view(StubAgentServer::new(connection), cx).await;
3466
3467        // When new_session returns AuthRequired, the server should transition
3468        // to Connected + Unauthenticated rather than getting stuck in Loading.
3469        conversation_view.read_with(cx, |view, _cx| {
3470            let connected = view
3471                .as_connected()
3472                .expect("Should be in Connected state even though auth is required");
3473            assert!(
3474                !connected.auth_state.is_ok(),
3475                "Auth state should be Unauthenticated"
3476            );
3477            assert!(
3478                connected.active_id.is_none(),
3479                "There should be no active thread since no session was created"
3480            );
3481            assert!(
3482                connected.threads.is_empty(),
3483                "There should be no threads since no session was created"
3484            );
3485        });
3486
3487        conversation_view.read_with(cx, |view, _cx| {
3488            assert!(
3489                view.active_thread().is_none(),
3490                "active_thread() should be None when unauthenticated without a session"
3491            );
3492        });
3493
3494        // Authenticate using the real authenticate flow on ConnectionView.
3495        // This calls connection.authenticate(), which flips the internal flag,
3496        // then on success triggers reset() -> new_session() which now succeeds.
3497        conversation_view.update_in(cx, |view, window, cx| {
3498            view.authenticate(
3499                acp::AuthMethodId::new(AuthGatedAgentConnection::AUTH_METHOD_ID),
3500                window,
3501                cx,
3502            );
3503        });
3504        cx.run_until_parked();
3505
3506        // After auth, the server should have an active thread in the Ok state.
3507        conversation_view.read_with(cx, |view, cx| {
3508            let connected = view
3509                .as_connected()
3510                .expect("Should still be in Connected state after auth");
3511            assert!(connected.auth_state.is_ok(), "Auth state should be Ok");
3512            assert!(
3513                connected.active_id.is_some(),
3514                "There should be an active thread after successful auth"
3515            );
3516            assert_eq!(
3517                connected.threads.len(),
3518                1,
3519                "There should be exactly one thread"
3520            );
3521
3522            let active = view
3523                .active_thread()
3524                .expect("active_thread() should return the new thread");
3525            assert!(
3526                active.read(cx).thread_error.is_none(),
3527                "The new thread should have no errors"
3528            );
3529        });
3530    }
3531
3532    #[gpui::test]
3533    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
3534        init_test(cx);
3535
3536        let tool_call_id = acp::ToolCallId::new("1");
3537        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
3538            .kind(acp::ToolKind::Edit)
3539            .content(vec!["hi".into()]);
3540        let connection =
3541            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
3542                tool_call_id,
3543                PermissionOptions::Flat(vec![acp::PermissionOption::new(
3544                    "1",
3545                    "Allow",
3546                    acp::PermissionOptionKind::AllowOnce,
3547                )]),
3548            )]));
3549
3550        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
3551
3552        let (conversation_view, cx) =
3553            setup_conversation_view(StubAgentServer::new(connection), cx).await;
3554
3555        let message_editor = message_editor(&conversation_view, cx);
3556        message_editor.update_in(cx, |editor, window, cx| {
3557            editor.set_text("Hello", window, cx);
3558        });
3559
3560        cx.deactivate_window();
3561
3562        active_thread(&conversation_view, cx)
3563            .update_in(cx, |view, window, cx| view.send(window, cx));
3564
3565        cx.run_until_parked();
3566
3567        assert!(
3568            cx.windows()
3569                .iter()
3570                .any(|window| window.downcast::<AgentNotification>().is_some())
3571        );
3572    }
3573
3574    #[gpui::test]
3575    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
3576        init_test(cx);
3577
3578        let (conversation_view, cx) =
3579            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3580
3581        add_to_workspace(conversation_view.clone(), cx);
3582
3583        let message_editor = message_editor(&conversation_view, cx);
3584
3585        message_editor.update_in(cx, |editor, window, cx| {
3586            editor.set_text("Hello", window, cx);
3587        });
3588
3589        // Window is active (don't deactivate), but panel will be hidden
3590        // Note: In the test environment, the panel is not actually added to the dock,
3591        // so is_agent_panel_hidden will return true
3592
3593        active_thread(&conversation_view, cx)
3594            .update_in(cx, |view, window, cx| view.send(window, cx));
3595
3596        cx.run_until_parked();
3597
3598        // Should show notification because window is active but panel is hidden
3599        assert!(
3600            cx.windows()
3601                .iter()
3602                .any(|window| window.downcast::<AgentNotification>().is_some()),
3603            "Expected notification when panel is hidden"
3604        );
3605    }
3606
3607    #[gpui::test]
3608    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
3609        init_test(cx);
3610
3611        let (conversation_view, cx) =
3612            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3613
3614        let message_editor = message_editor(&conversation_view, cx);
3615        message_editor.update_in(cx, |editor, window, cx| {
3616            editor.set_text("Hello", window, cx);
3617        });
3618
3619        // Deactivate window - should show notification regardless of setting
3620        cx.deactivate_window();
3621
3622        active_thread(&conversation_view, cx)
3623            .update_in(cx, |view, window, cx| view.send(window, cx));
3624
3625        cx.run_until_parked();
3626
3627        // Should still show notification when window is inactive (existing behavior)
3628        assert!(
3629            cx.windows()
3630                .iter()
3631                .any(|window| window.downcast::<AgentNotification>().is_some()),
3632            "Expected notification when window is inactive"
3633        );
3634    }
3635
3636    #[gpui::test]
3637    async fn test_notification_when_different_conversation_is_active_in_visible_panel(
3638        cx: &mut TestAppContext,
3639    ) {
3640        init_test(cx);
3641
3642        let fs = FakeFs::new(cx.executor());
3643
3644        cx.update(|cx| {
3645            cx.update_flags(true, vec!["agent-v2".to_string()]);
3646            agent::ThreadStore::init_global(cx);
3647            language_model::LanguageModelRegistry::test(cx);
3648            <dyn Fs>::set_global(fs.clone(), cx);
3649        });
3650
3651        let project = Project::test(fs, [], cx).await;
3652        let multi_workspace_handle =
3653            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3654
3655        let workspace = multi_workspace_handle
3656            .read_with(cx, |mw, _cx| mw.workspace().clone())
3657            .unwrap();
3658
3659        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3660
3661        let panel = workspace.update_in(cx, |workspace, window, cx| {
3662            let panel = cx.new(|cx| crate::AgentPanel::new(workspace, None, window, cx));
3663            workspace.add_panel(panel.clone(), window, cx);
3664            workspace.focus_panel::<crate::AgentPanel>(window, cx);
3665            panel
3666        });
3667
3668        cx.run_until_parked();
3669
3670        panel.update_in(cx, |panel, window, cx| {
3671            panel.open_external_thread_with_server(
3672                Rc::new(StubAgentServer::default_response()),
3673                window,
3674                cx,
3675            );
3676        });
3677
3678        cx.run_until_parked();
3679
3680        panel.read_with(cx, |panel, cx| {
3681            assert!(crate::AgentPanel::is_visible(&workspace, cx));
3682            assert!(panel.active_conversation_view().is_some());
3683        });
3684
3685        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3686        let connection_store =
3687            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3688
3689        let conversation_view = cx.update(|window, cx| {
3690            cx.new(|cx| {
3691                ConversationView::new(
3692                    Rc::new(StubAgentServer::default_response()),
3693                    connection_store,
3694                    Agent::Custom { id: "Test".into() },
3695                    None,
3696                    None,
3697                    None,
3698                    None,
3699                    None,
3700                    workspace.downgrade(),
3701                    project.clone(),
3702                    Some(thread_store),
3703                    None,
3704                    "agent_panel",
3705                    window,
3706                    cx,
3707                )
3708            })
3709        });
3710
3711        cx.run_until_parked();
3712
3713        panel.read_with(cx, |panel, _cx| {
3714            assert_ne!(
3715                panel
3716                    .active_conversation_view()
3717                    .map(|view| view.entity_id()),
3718                Some(conversation_view.entity_id()),
3719                "The visible panel should still be showing a different conversation"
3720            );
3721        });
3722
3723        let message_editor = message_editor(&conversation_view, cx);
3724        message_editor.update_in(cx, |editor, window, cx| {
3725            editor.set_text("Hello", window, cx);
3726        });
3727
3728        active_thread(&conversation_view, cx)
3729            .update_in(cx, |view, window, cx| view.send(window, cx));
3730
3731        cx.run_until_parked();
3732
3733        assert!(
3734            cx.windows()
3735                .iter()
3736                .any(|window| window.downcast::<AgentNotification>().is_some()),
3737            "Expected notification when a different conversation is active in the visible panel"
3738        );
3739    }
3740
3741    #[gpui::test]
3742    async fn test_no_notification_when_sidebar_open_but_different_thread_focused(
3743        cx: &mut TestAppContext,
3744    ) {
3745        init_test(cx);
3746
3747        let fs = FakeFs::new(cx.executor());
3748
3749        cx.update(|cx| {
3750            cx.update_flags(true, vec!["agent-v2".to_string()]);
3751            agent::ThreadStore::init_global(cx);
3752            language_model::LanguageModelRegistry::test(cx);
3753            <dyn Fs>::set_global(fs.clone(), cx);
3754        });
3755
3756        let project = Project::test(fs, [], cx).await;
3757        let multi_workspace_handle =
3758            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3759
3760        let workspace = multi_workspace_handle
3761            .read_with(cx, |mw, _cx| mw.workspace().clone())
3762            .unwrap();
3763
3764        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3765
3766        // Open the sidebar so that sidebar_open() returns true.
3767        multi_workspace_handle
3768            .update(cx, |mw, _window, cx| {
3769                mw.open_sidebar(cx);
3770            })
3771            .unwrap();
3772
3773        cx.run_until_parked();
3774
3775        assert!(
3776            multi_workspace_handle
3777                .read_with(cx, |mw, _cx| mw.sidebar_open())
3778                .unwrap(),
3779            "Sidebar should be open"
3780        );
3781
3782        // Create a conversation view that is NOT the active one in the panel.
3783        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3784        let connection_store =
3785            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3786
3787        let conversation_view = cx.update(|window, cx| {
3788            cx.new(|cx| {
3789                ConversationView::new(
3790                    Rc::new(StubAgentServer::default_response()),
3791                    connection_store,
3792                    Agent::Custom { id: "Test".into() },
3793                    None,
3794                    None,
3795                    None,
3796                    None,
3797                    None,
3798                    workspace.downgrade(),
3799                    project.clone(),
3800                    Some(thread_store),
3801                    None,
3802                    "agent_panel",
3803                    window,
3804                    cx,
3805                )
3806            })
3807        });
3808
3809        cx.run_until_parked();
3810
3811        let message_editor = message_editor(&conversation_view, cx);
3812        message_editor.update_in(cx, |editor, window, cx| {
3813            editor.set_text("Hello", window, cx);
3814        });
3815
3816        active_thread(&conversation_view, cx)
3817            .update_in(cx, |view, window, cx| view.send(window, cx));
3818
3819        cx.run_until_parked();
3820
3821        assert!(
3822            !cx.windows()
3823                .iter()
3824                .any(|window| window.downcast::<AgentNotification>().is_some()),
3825            "Expected no notification when the sidebar is open, even if focused on another thread"
3826        );
3827    }
3828
3829    #[gpui::test]
3830    async fn test_notification_when_workspace_is_background_in_multi_workspace(
3831        cx: &mut TestAppContext,
3832    ) {
3833        init_test(cx);
3834
3835        // Enable multi-workspace feature flag and init globals needed by AgentPanel
3836        let fs = FakeFs::new(cx.executor());
3837
3838        cx.update(|cx| {
3839            agent::ThreadStore::init_global(cx);
3840            language_model::LanguageModelRegistry::test(cx);
3841            <dyn Fs>::set_global(fs.clone(), cx);
3842        });
3843
3844        let project1 = Project::test(fs.clone(), [], cx).await;
3845
3846        // Create a MultiWorkspace window with one workspace
3847        let multi_workspace_handle =
3848            cx.add_window(|window, cx| MultiWorkspace::test_new(project1.clone(), window, cx));
3849
3850        // Get workspace 1 (the initial workspace)
3851        let workspace1 = multi_workspace_handle
3852            .read_with(cx, |mw, _cx| mw.workspace().clone())
3853            .unwrap();
3854
3855        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3856
3857        let panel = workspace1.update_in(cx, |workspace, window, cx| {
3858            let panel = cx.new(|cx| crate::AgentPanel::new(workspace, None, window, cx));
3859            workspace.add_panel(panel.clone(), window, cx);
3860
3861            // Open the dock and activate the agent panel so it's visible
3862            workspace.focus_panel::<crate::AgentPanel>(window, cx);
3863            panel
3864        });
3865
3866        cx.run_until_parked();
3867
3868        panel.update_in(cx, |panel, window, cx| {
3869            panel.open_external_thread_with_server(
3870                Rc::new(StubAgentServer::new(RestoredAvailableCommandsConnection)),
3871                window,
3872                cx,
3873            );
3874        });
3875
3876        cx.run_until_parked();
3877
3878        cx.read(|cx| {
3879            assert!(
3880                crate::AgentPanel::is_visible(&workspace1, cx),
3881                "AgentPanel should be visible in workspace1's dock"
3882            );
3883        });
3884
3885        // Set up thread view in workspace 1
3886        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3887        let connection_store =
3888            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project1.clone(), cx)));
3889
3890        let conversation_view = cx.update(|window, cx| {
3891            cx.new(|cx| {
3892                ConversationView::new(
3893                    Rc::new(StubAgentServer::new(RestoredAvailableCommandsConnection)),
3894                    connection_store,
3895                    Agent::Custom { id: "Test".into() },
3896                    None,
3897                    None,
3898                    None,
3899                    None,
3900                    None,
3901                    workspace1.downgrade(),
3902                    project1.clone(),
3903                    Some(thread_store),
3904                    None,
3905                    "agent_panel",
3906                    window,
3907                    cx,
3908                )
3909            })
3910        });
3911        cx.run_until_parked();
3912
3913        let root_session_id = conversation_view
3914            .read_with(cx, |view, cx| {
3915                view.root_thread_view()
3916                    .map(|thread| thread.read(cx).thread.read(cx).session_id().clone())
3917            })
3918            .expect("Conversation view should have a root thread");
3919
3920        let message_editor = message_editor(&conversation_view, cx);
3921        message_editor.update_in(cx, |editor, window, cx| {
3922            editor.set_text("Hello", window, cx);
3923        });
3924
3925        // Create a second workspace and switch to it.
3926        // This makes workspace1 the "background" workspace.
3927        let project2 = Project::test(fs, [], cx).await;
3928        multi_workspace_handle
3929            .update(cx, |mw, window, cx| {
3930                mw.test_add_workspace(project2, window, cx);
3931            })
3932            .unwrap();
3933
3934        cx.run_until_parked();
3935
3936        // Verify workspace1 is no longer the active workspace
3937        multi_workspace_handle
3938            .read_with(cx, |mw, _cx| {
3939                assert_ne!(mw.workspace(), &workspace1);
3940            })
3941            .unwrap();
3942
3943        // Window is active, agent panel is visible in workspace1, but workspace1
3944        // is in the background. The notification should show because the user
3945        // can't actually see the agent panel.
3946        active_thread(&conversation_view, cx)
3947            .update_in(cx, |view, window, cx| view.send(window, cx));
3948
3949        cx.run_until_parked();
3950
3951        assert!(
3952            cx.windows()
3953                .iter()
3954                .any(|window| window.downcast::<AgentNotification>().is_some()),
3955            "Expected notification when workspace is in background within MultiWorkspace"
3956        );
3957
3958        // Also verify: clicking "View Panel" should switch to workspace1.
3959        cx.windows()
3960            .iter()
3961            .find_map(|window| window.downcast::<AgentNotification>())
3962            .unwrap()
3963            .update(cx, |window, _, cx| window.accept(cx))
3964            .unwrap();
3965
3966        cx.run_until_parked();
3967
3968        multi_workspace_handle
3969            .read_with(cx, |mw, _cx| {
3970                assert_eq!(
3971                    mw.workspace(),
3972                    &workspace1,
3973                    "Expected workspace1 to become the active workspace after accepting notification"
3974                );
3975            })
3976            .unwrap();
3977
3978        panel.read_with(cx, |panel, cx| {
3979            let active_session_id = panel
3980                .active_agent_thread(cx)
3981                .map(|thread| thread.read(cx).session_id().clone());
3982            assert_eq!(
3983                active_session_id,
3984                Some(root_session_id),
3985                "Expected accepting the notification to load the notified thread in AgentPanel"
3986            );
3987        });
3988    }
3989
3990    #[gpui::test]
3991    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
3992        init_test(cx);
3993
3994        // Set notify_when_agent_waiting to Never
3995        cx.update(|cx| {
3996            AgentSettings::override_global(
3997                AgentSettings {
3998                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
3999                    ..AgentSettings::get_global(cx).clone()
4000                },
4001                cx,
4002            );
4003        });
4004
4005        let (conversation_view, cx) =
4006            setup_conversation_view(StubAgentServer::default_response(), cx).await;
4007
4008        let message_editor = message_editor(&conversation_view, cx);
4009        message_editor.update_in(cx, |editor, window, cx| {
4010            editor.set_text("Hello", window, cx);
4011        });
4012
4013        // Window is active
4014
4015        active_thread(&conversation_view, cx)
4016            .update_in(cx, |view, window, cx| view.send(window, cx));
4017
4018        cx.run_until_parked();
4019
4020        // Should NOT show notification because notify_when_agent_waiting is Never
4021        assert!(
4022            !cx.windows()
4023                .iter()
4024                .any(|window| window.downcast::<AgentNotification>().is_some()),
4025            "Expected no notification when notify_when_agent_waiting is Never"
4026        );
4027    }
4028
4029    #[gpui::test]
4030    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
4031        init_test(cx);
4032
4033        let (conversation_view, cx) =
4034            setup_conversation_view(StubAgentServer::default_response(), cx).await;
4035
4036        let weak_view = conversation_view.downgrade();
4037
4038        let message_editor = message_editor(&conversation_view, cx);
4039        message_editor.update_in(cx, |editor, window, cx| {
4040            editor.set_text("Hello", window, cx);
4041        });
4042
4043        cx.deactivate_window();
4044
4045        active_thread(&conversation_view, cx)
4046            .update_in(cx, |view, window, cx| view.send(window, cx));
4047
4048        cx.run_until_parked();
4049
4050        // Verify notification is shown
4051        assert!(
4052            cx.windows()
4053                .iter()
4054                .any(|window| window.downcast::<AgentNotification>().is_some()),
4055            "Expected notification to be shown"
4056        );
4057
4058        // Drop the thread view (simulating navigation to a new thread)
4059        drop(conversation_view);
4060        drop(message_editor);
4061        // Trigger an update to flush effects, which will call release_dropped_entities
4062        cx.update(|_window, _cx| {});
4063        cx.run_until_parked();
4064
4065        // Verify the entity was actually released
4066        assert!(
4067            !weak_view.is_upgradable(),
4068            "Thread view entity should be released after dropping"
4069        );
4070
4071        // The notification should be automatically closed via on_release
4072        assert!(
4073            !cx.windows()
4074                .iter()
4075                .any(|window| window.downcast::<AgentNotification>().is_some()),
4076            "Notification should be closed when thread view is dropped"
4077        );
4078    }
4079
4080    async fn setup_conversation_view(
4081        agent: impl AgentServer + 'static,
4082        cx: &mut TestAppContext,
4083    ) -> (Entity<ConversationView>, &mut VisualTestContext) {
4084        setup_conversation_view_with_initial_content_opt(agent, None, cx).await
4085    }
4086
4087    async fn setup_conversation_view_with_initial_content(
4088        agent: impl AgentServer + 'static,
4089        initial_content: AgentInitialContent,
4090        cx: &mut TestAppContext,
4091    ) -> (Entity<ConversationView>, &mut VisualTestContext) {
4092        setup_conversation_view_with_initial_content_opt(agent, Some(initial_content), cx).await
4093    }
4094
4095    async fn setup_conversation_view_with_initial_content_opt(
4096        agent: impl AgentServer + 'static,
4097        initial_content: Option<AgentInitialContent>,
4098        cx: &mut TestAppContext,
4099    ) -> (Entity<ConversationView>, &mut VisualTestContext) {
4100        let fs = FakeFs::new(cx.executor());
4101        let project = Project::test(fs, [], cx).await;
4102        let (multi_workspace, cx) =
4103            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
4104        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
4105
4106        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
4107        let connection_store =
4108            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
4109
4110        let agent_key = Agent::Custom { id: "Test".into() };
4111
4112        let conversation_view = cx.update(|window, cx| {
4113            cx.new(|cx| {
4114                ConversationView::new(
4115                    Rc::new(agent),
4116                    connection_store.clone(),
4117                    agent_key.clone(),
4118                    None,
4119                    None,
4120                    None,
4121                    None,
4122                    initial_content,
4123                    workspace.downgrade(),
4124                    project,
4125                    Some(thread_store),
4126                    None,
4127                    "agent_panel",
4128                    window,
4129                    cx,
4130                )
4131            })
4132        });
4133        cx.run_until_parked();
4134
4135        (conversation_view, cx)
4136    }
4137
4138    fn add_to_workspace(conversation_view: Entity<ConversationView>, cx: &mut VisualTestContext) {
4139        let workspace =
4140            conversation_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
4141
4142        workspace
4143            .update_in(cx, |workspace, window, cx| {
4144                workspace.add_item_to_active_pane(
4145                    Box::new(cx.new(|_| ThreadViewItem(conversation_view.clone()))),
4146                    None,
4147                    true,
4148                    window,
4149                    cx,
4150                );
4151            })
4152            .unwrap();
4153    }
4154
4155    struct ThreadViewItem(Entity<ConversationView>);
4156
4157    impl Item for ThreadViewItem {
4158        type Event = ();
4159
4160        fn include_in_nav_history() -> bool {
4161            false
4162        }
4163
4164        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
4165            "Test".into()
4166        }
4167    }
4168
4169    impl EventEmitter<()> for ThreadViewItem {}
4170
4171    impl Focusable for ThreadViewItem {
4172        fn focus_handle(&self, cx: &App) -> FocusHandle {
4173            self.0.read(cx).focus_handle(cx)
4174        }
4175    }
4176
4177    impl Render for ThreadViewItem {
4178        fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4179            // Render the title editor in the element tree too. In the real app
4180            // it is part of the agent panel
4181            let title_editor = self
4182                .0
4183                .read(cx)
4184                .active_thread()
4185                .map(|t| t.read(cx).title_editor.clone());
4186
4187            v_flex().children(title_editor).child(self.0.clone())
4188        }
4189    }
4190
4191    pub(crate) struct StubAgentServer<C> {
4192        connection: C,
4193    }
4194
4195    impl<C> StubAgentServer<C> {
4196        pub(crate) fn new(connection: C) -> Self {
4197            Self { connection }
4198        }
4199    }
4200
4201    impl StubAgentServer<StubAgentConnection> {
4202        pub(crate) fn default_response() -> Self {
4203            let conn = StubAgentConnection::new();
4204            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4205                acp::ContentChunk::new("Default response".into()),
4206            )]);
4207            Self::new(conn)
4208        }
4209    }
4210
4211    impl<C> AgentServer for StubAgentServer<C>
4212    where
4213        C: 'static + AgentConnection + Send + Clone,
4214    {
4215        fn logo(&self) -> ui::IconName {
4216            ui::IconName::ZedAgent
4217        }
4218
4219        fn agent_id(&self) -> AgentId {
4220            "Test".into()
4221        }
4222
4223        fn connect(
4224            &self,
4225            _delegate: AgentServerDelegate,
4226            _project: Entity<Project>,
4227            _cx: &mut App,
4228        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
4229            Task::ready(Ok(Rc::new(self.connection.clone())))
4230        }
4231
4232        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4233            self
4234        }
4235    }
4236
4237    struct FailingAgentServer;
4238
4239    impl AgentServer for FailingAgentServer {
4240        fn logo(&self) -> ui::IconName {
4241            ui::IconName::AiOpenAi
4242        }
4243
4244        fn agent_id(&self) -> AgentId {
4245            AgentId::new("Codex CLI")
4246        }
4247
4248        fn connect(
4249            &self,
4250            _delegate: AgentServerDelegate,
4251            _project: Entity<Project>,
4252            _cx: &mut App,
4253        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
4254            Task::ready(Err(anyhow!(
4255                "extracting downloaded asset for \
4256                 https://github.com/zed-industries/codex-acp/releases/download/v0.9.4/\
4257                 codex-acp-0.9.4-aarch64-pc-windows-msvc.zip: \
4258                 failed to iterate over archive: Invalid gzip header"
4259            )))
4260        }
4261
4262        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4263            self
4264        }
4265    }
4266
4267    /// Agent server whose `connect()` fails while `fail` is `true` and
4268    /// returns the wrapped connection otherwise. Used to simulate the
4269    /// race where an external agent isn't yet registered at startup.
4270    pub(crate) struct FlakyAgentServer {
4271        connection: StubAgentConnection,
4272        fail: Arc<std::sync::atomic::AtomicBool>,
4273    }
4274
4275    impl FlakyAgentServer {
4276        pub(crate) fn new(
4277            connection: StubAgentConnection,
4278        ) -> (Self, Arc<std::sync::atomic::AtomicBool>) {
4279            let fail = Arc::new(std::sync::atomic::AtomicBool::new(true));
4280            (
4281                Self {
4282                    connection,
4283                    fail: fail.clone(),
4284                },
4285                fail,
4286            )
4287        }
4288    }
4289
4290    impl AgentServer for FlakyAgentServer {
4291        fn logo(&self) -> ui::IconName {
4292            ui::IconName::ZedAgent
4293        }
4294
4295        fn agent_id(&self) -> AgentId {
4296            "Flaky".into()
4297        }
4298
4299        fn connect(
4300            &self,
4301            _delegate: AgentServerDelegate,
4302            _project: Entity<Project>,
4303            _cx: &mut App,
4304        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
4305            if self.fail.load(std::sync::atomic::Ordering::SeqCst) {
4306                Task::ready(Err(anyhow!(
4307                    "Custom agent server `Flaky` is not registered"
4308                )))
4309            } else {
4310                Task::ready(Ok(Rc::new(self.connection.clone())))
4311            }
4312        }
4313
4314        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4315            self
4316        }
4317    }
4318
4319    fn build_test_thread(
4320        connection: Rc<dyn AgentConnection>,
4321        project: Entity<Project>,
4322        name: &'static str,
4323        session_id: acp::SessionId,
4324        cx: &mut App,
4325    ) -> Entity<AcpThread> {
4326        let action_log = cx.new(|_| ActionLog::new(project.clone()));
4327        cx.new(|cx| {
4328            AcpThread::new(
4329                None,
4330                Some(name.into()),
4331                None,
4332                connection,
4333                project,
4334                action_log,
4335                session_id,
4336                watch::Receiver::constant(
4337                    acp::PromptCapabilities::new()
4338                        .image(true)
4339                        .audio(true)
4340                        .embedded_context(true),
4341                ),
4342                cx,
4343            )
4344        })
4345    }
4346
4347    #[derive(Clone)]
4348    struct ResumeOnlyAgentConnection;
4349
4350    impl AgentConnection for ResumeOnlyAgentConnection {
4351        fn agent_id(&self) -> AgentId {
4352            AgentId::new("resume-only")
4353        }
4354
4355        fn telemetry_id(&self) -> SharedString {
4356            "resume-only".into()
4357        }
4358
4359        fn new_session(
4360            self: Rc<Self>,
4361            project: Entity<Project>,
4362            _work_dirs: PathList,
4363            cx: &mut gpui::App,
4364        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4365            let thread = build_test_thread(
4366                self,
4367                project,
4368                "ResumeOnlyAgentConnection",
4369                acp::SessionId::new("new-session"),
4370                cx,
4371            );
4372            Task::ready(Ok(thread))
4373        }
4374
4375        fn supports_resume_session(&self) -> bool {
4376            true
4377        }
4378
4379        fn resume_session(
4380            self: Rc<Self>,
4381            session_id: acp::SessionId,
4382            project: Entity<Project>,
4383            _work_dirs: PathList,
4384            _title: Option<SharedString>,
4385            cx: &mut App,
4386        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4387            let thread =
4388                build_test_thread(self, project, "ResumeOnlyAgentConnection", session_id, cx);
4389            Task::ready(Ok(thread))
4390        }
4391
4392        fn auth_methods(&self) -> &[acp::AuthMethod] {
4393            &[]
4394        }
4395
4396        fn authenticate(
4397            &self,
4398            _method_id: acp::AuthMethodId,
4399            _cx: &mut App,
4400        ) -> Task<gpui::Result<()>> {
4401            Task::ready(Ok(()))
4402        }
4403
4404        fn prompt(
4405            &self,
4406            _id: acp_thread::UserMessageId,
4407            _params: acp::PromptRequest,
4408            _cx: &mut App,
4409        ) -> Task<gpui::Result<acp::PromptResponse>> {
4410            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4411        }
4412
4413        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4414
4415        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4416            self
4417        }
4418    }
4419
4420    /// Simulates an agent that requires authentication before a session can be
4421    /// created. `new_session` returns `AuthRequired` until `authenticate` is
4422    /// called with the correct method, after which sessions are created normally.
4423    #[derive(Clone)]
4424    struct AuthGatedAgentConnection {
4425        authenticated: Arc<Mutex<bool>>,
4426        auth_method: acp::AuthMethod,
4427    }
4428
4429    impl AuthGatedAgentConnection {
4430        const AUTH_METHOD_ID: &str = "test-login";
4431
4432        fn new() -> Self {
4433            Self {
4434                authenticated: Arc::new(Mutex::new(false)),
4435                auth_method: acp::AuthMethod::Agent(acp::AuthMethodAgent::new(
4436                    Self::AUTH_METHOD_ID,
4437                    "Test Login",
4438                )),
4439            }
4440        }
4441    }
4442
4443    impl AgentConnection for AuthGatedAgentConnection {
4444        fn agent_id(&self) -> AgentId {
4445            AgentId::new("auth-gated")
4446        }
4447
4448        fn telemetry_id(&self) -> SharedString {
4449            "auth-gated".into()
4450        }
4451
4452        fn new_session(
4453            self: Rc<Self>,
4454            project: Entity<Project>,
4455            work_dirs: PathList,
4456            cx: &mut gpui::App,
4457        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4458            if !*self.authenticated.lock() {
4459                return Task::ready(Err(acp_thread::AuthRequired::new()
4460                    .with_description("Sign in to continue".to_string())
4461                    .into()));
4462            }
4463
4464            let session_id = acp::SessionId::new("auth-gated-session");
4465            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4466            Task::ready(Ok(cx.new(|cx| {
4467                AcpThread::new(
4468                    None,
4469                    None,
4470                    Some(work_dirs),
4471                    self,
4472                    project,
4473                    action_log,
4474                    session_id,
4475                    watch::Receiver::constant(
4476                        acp::PromptCapabilities::new()
4477                            .image(true)
4478                            .audio(true)
4479                            .embedded_context(true),
4480                    ),
4481                    cx,
4482                )
4483            })))
4484        }
4485
4486        fn auth_methods(&self) -> &[acp::AuthMethod] {
4487            std::slice::from_ref(&self.auth_method)
4488        }
4489
4490        fn authenticate(
4491            &self,
4492            method_id: acp::AuthMethodId,
4493            _cx: &mut App,
4494        ) -> Task<gpui::Result<()>> {
4495            if &method_id == self.auth_method.id() {
4496                *self.authenticated.lock() = true;
4497                Task::ready(Ok(()))
4498            } else {
4499                Task::ready(Err(anyhow::anyhow!("Unknown auth method")))
4500            }
4501        }
4502
4503        fn prompt(
4504            &self,
4505            _id: acp_thread::UserMessageId,
4506            _params: acp::PromptRequest,
4507            _cx: &mut App,
4508        ) -> Task<gpui::Result<acp::PromptResponse>> {
4509            unimplemented!()
4510        }
4511
4512        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4513            unimplemented!()
4514        }
4515
4516        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4517            self
4518        }
4519    }
4520
4521    /// Simulates a model which always returns a refusal response
4522    #[derive(Clone)]
4523    struct RefusalAgentConnection;
4524
4525    impl AgentConnection for RefusalAgentConnection {
4526        fn agent_id(&self) -> AgentId {
4527            AgentId::new("refusal")
4528        }
4529
4530        fn telemetry_id(&self) -> SharedString {
4531            "refusal".into()
4532        }
4533
4534        fn new_session(
4535            self: Rc<Self>,
4536            project: Entity<Project>,
4537            work_dirs: PathList,
4538            cx: &mut gpui::App,
4539        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4540            Task::ready(Ok(cx.new(|cx| {
4541                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4542                AcpThread::new(
4543                    None,
4544                    None,
4545                    Some(work_dirs),
4546                    self,
4547                    project,
4548                    action_log,
4549                    acp::SessionId::new("test"),
4550                    watch::Receiver::constant(
4551                        acp::PromptCapabilities::new()
4552                            .image(true)
4553                            .audio(true)
4554                            .embedded_context(true),
4555                    ),
4556                    cx,
4557                )
4558            })))
4559        }
4560
4561        fn auth_methods(&self) -> &[acp::AuthMethod] {
4562            &[]
4563        }
4564
4565        fn authenticate(
4566            &self,
4567            _method_id: acp::AuthMethodId,
4568            _cx: &mut App,
4569        ) -> Task<gpui::Result<()>> {
4570            unimplemented!()
4571        }
4572
4573        fn prompt(
4574            &self,
4575            _id: acp_thread::UserMessageId,
4576            _params: acp::PromptRequest,
4577            _cx: &mut App,
4578        ) -> Task<gpui::Result<acp::PromptResponse>> {
4579            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
4580        }
4581
4582        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4583            unimplemented!()
4584        }
4585
4586        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4587            self
4588        }
4589    }
4590
4591    #[derive(Clone)]
4592    struct CwdCapturingConnection {
4593        captured_work_dirs: Arc<Mutex<Option<PathList>>>,
4594    }
4595
4596    impl CwdCapturingConnection {
4597        fn new() -> Self {
4598            Self {
4599                captured_work_dirs: Arc::new(Mutex::new(None)),
4600            }
4601        }
4602    }
4603
4604    impl AgentConnection for CwdCapturingConnection {
4605        fn agent_id(&self) -> AgentId {
4606            AgentId::new("cwd-capturing")
4607        }
4608
4609        fn telemetry_id(&self) -> SharedString {
4610            "cwd-capturing".into()
4611        }
4612
4613        fn new_session(
4614            self: Rc<Self>,
4615            project: Entity<Project>,
4616            work_dirs: PathList,
4617            cx: &mut gpui::App,
4618        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4619            *self.captured_work_dirs.lock() = Some(work_dirs.clone());
4620            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4621            let thread = cx.new(|cx| {
4622                AcpThread::new(
4623                    None,
4624                    None,
4625                    Some(work_dirs),
4626                    self.clone(),
4627                    project,
4628                    action_log,
4629                    acp::SessionId::new("new-session"),
4630                    watch::Receiver::constant(
4631                        acp::PromptCapabilities::new()
4632                            .image(true)
4633                            .audio(true)
4634                            .embedded_context(true),
4635                    ),
4636                    cx,
4637                )
4638            });
4639            Task::ready(Ok(thread))
4640        }
4641
4642        fn supports_load_session(&self) -> bool {
4643            true
4644        }
4645
4646        fn load_session(
4647            self: Rc<Self>,
4648            session_id: acp::SessionId,
4649            project: Entity<Project>,
4650            work_dirs: PathList,
4651            _title: Option<SharedString>,
4652            cx: &mut App,
4653        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4654            *self.captured_work_dirs.lock() = Some(work_dirs.clone());
4655            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4656            let thread = cx.new(|cx| {
4657                AcpThread::new(
4658                    None,
4659                    None,
4660                    Some(work_dirs),
4661                    self.clone(),
4662                    project,
4663                    action_log,
4664                    session_id,
4665                    watch::Receiver::constant(
4666                        acp::PromptCapabilities::new()
4667                            .image(true)
4668                            .audio(true)
4669                            .embedded_context(true),
4670                    ),
4671                    cx,
4672                )
4673            });
4674            Task::ready(Ok(thread))
4675        }
4676
4677        fn auth_methods(&self) -> &[acp::AuthMethod] {
4678            &[]
4679        }
4680
4681        fn authenticate(
4682            &self,
4683            _method_id: acp::AuthMethodId,
4684            _cx: &mut App,
4685        ) -> Task<gpui::Result<()>> {
4686            Task::ready(Ok(()))
4687        }
4688
4689        fn prompt(
4690            &self,
4691            _id: acp_thread::UserMessageId,
4692            _params: acp::PromptRequest,
4693            _cx: &mut App,
4694        ) -> Task<gpui::Result<acp::PromptResponse>> {
4695            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4696        }
4697
4698        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4699
4700        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4701            self
4702        }
4703    }
4704
4705    pub(crate) fn init_test(cx: &mut TestAppContext) {
4706        cx.update(|cx| {
4707            let settings_store = SettingsStore::test(cx);
4708            cx.set_global(settings_store);
4709            ThreadMetadataStore::init_global(cx);
4710            theme_settings::init(theme::LoadThemes::JustBase, cx);
4711            editor::init(cx);
4712            agent_panel::init(cx);
4713            release_channel::init(semver::Version::new(0, 0, 0), cx);
4714            prompt_store::init(cx)
4715        });
4716    }
4717
4718    fn active_thread(
4719        conversation_view: &Entity<ConversationView>,
4720        cx: &TestAppContext,
4721    ) -> Entity<ThreadView> {
4722        cx.read(|cx| {
4723            conversation_view
4724                .read(cx)
4725                .active_thread()
4726                .expect("No active thread")
4727                .clone()
4728        })
4729    }
4730
4731    fn message_editor(
4732        conversation_view: &Entity<ConversationView>,
4733        cx: &TestAppContext,
4734    ) -> Entity<MessageEditor> {
4735        let thread = active_thread(conversation_view, cx);
4736        cx.read(|cx| thread.read(cx).message_editor.clone())
4737    }
4738
4739    #[gpui::test]
4740    async fn test_rewind_views(cx: &mut TestAppContext) {
4741        init_test(cx);
4742
4743        let fs = FakeFs::new(cx.executor());
4744        fs.insert_tree(
4745            "/project",
4746            json!({
4747                "test1.txt": "old content 1",
4748                "test2.txt": "old content 2"
4749            }),
4750        )
4751        .await;
4752        let project = Project::test(fs, [Path::new("/project")], cx).await;
4753        let (multi_workspace, cx) =
4754            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
4755        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
4756
4757        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
4758        let connection_store =
4759            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
4760
4761        let connection = Rc::new(StubAgentConnection::new());
4762        let conversation_view = cx.update(|window, cx| {
4763            cx.new(|cx| {
4764                ConversationView::new(
4765                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4766                    connection_store,
4767                    Agent::Custom { id: "Test".into() },
4768                    None,
4769                    None,
4770                    None,
4771                    None,
4772                    None,
4773                    workspace.downgrade(),
4774                    project.clone(),
4775                    Some(thread_store.clone()),
4776                    None,
4777                    "agent_panel",
4778                    window,
4779                    cx,
4780                )
4781            })
4782        });
4783
4784        cx.run_until_parked();
4785
4786        let thread = conversation_view
4787            .read_with(cx, |view, cx| {
4788                view.active_thread().map(|r| r.read(cx).thread.clone())
4789            })
4790            .unwrap();
4791
4792        // First user message
4793        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4794            acp::ToolCall::new("tool1", "Edit file 1")
4795                .kind(acp::ToolKind::Edit)
4796                .status(acp::ToolCallStatus::Completed)
4797                .content(vec![acp::ToolCallContent::Diff(
4798                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
4799                )]),
4800        )]);
4801
4802        thread
4803            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4804            .await
4805            .unwrap();
4806        cx.run_until_parked();
4807
4808        thread.read_with(cx, |thread, _cx| {
4809            assert_eq!(thread.entries().len(), 2);
4810        });
4811
4812        conversation_view.read_with(cx, |view, cx| {
4813            let entry_view_state = view
4814                .active_thread()
4815                .map(|active| active.read(cx).entry_view_state.clone())
4816                .unwrap();
4817            entry_view_state.read_with(cx, |entry_view_state, _| {
4818                assert!(
4819                    entry_view_state
4820                        .entry(0)
4821                        .unwrap()
4822                        .message_editor()
4823                        .is_some()
4824                );
4825                assert!(entry_view_state.entry(1).unwrap().has_content());
4826            });
4827        });
4828
4829        // Second user message
4830        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4831            acp::ToolCall::new("tool2", "Edit file 2")
4832                .kind(acp::ToolKind::Edit)
4833                .status(acp::ToolCallStatus::Completed)
4834                .content(vec![acp::ToolCallContent::Diff(
4835                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
4836                )]),
4837        )]);
4838
4839        thread
4840            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
4841            .await
4842            .unwrap();
4843        cx.run_until_parked();
4844
4845        let second_user_message_id = thread.read_with(cx, |thread, _| {
4846            assert_eq!(thread.entries().len(), 4);
4847            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
4848                panic!();
4849            };
4850            user_message.id.clone().unwrap()
4851        });
4852
4853        conversation_view.read_with(cx, |view, cx| {
4854            let entry_view_state = view
4855                .active_thread()
4856                .unwrap()
4857                .read(cx)
4858                .entry_view_state
4859                .clone();
4860            entry_view_state.read_with(cx, |entry_view_state, _| {
4861                assert!(
4862                    entry_view_state
4863                        .entry(0)
4864                        .unwrap()
4865                        .message_editor()
4866                        .is_some()
4867                );
4868                assert!(entry_view_state.entry(1).unwrap().has_content());
4869                assert!(
4870                    entry_view_state
4871                        .entry(2)
4872                        .unwrap()
4873                        .message_editor()
4874                        .is_some()
4875                );
4876                assert!(entry_view_state.entry(3).unwrap().has_content());
4877            });
4878        });
4879
4880        // Rewind to first message
4881        thread
4882            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
4883            .await
4884            .unwrap();
4885
4886        cx.run_until_parked();
4887
4888        thread.read_with(cx, |thread, _| {
4889            assert_eq!(thread.entries().len(), 2);
4890        });
4891
4892        conversation_view.read_with(cx, |view, cx| {
4893            let active = view.active_thread().unwrap();
4894            active
4895                .read(cx)
4896                .entry_view_state
4897                .read_with(cx, |entry_view_state, _| {
4898                    assert!(
4899                        entry_view_state
4900                            .entry(0)
4901                            .unwrap()
4902                            .message_editor()
4903                            .is_some()
4904                    );
4905                    assert!(entry_view_state.entry(1).unwrap().has_content());
4906
4907                    // Old views should be dropped
4908                    assert!(entry_view_state.entry(2).is_none());
4909                    assert!(entry_view_state.entry(3).is_none());
4910                });
4911        });
4912    }
4913
4914    #[gpui::test]
4915    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
4916        init_test(cx);
4917
4918        let connection = StubAgentConnection::new();
4919
4920        // Each user prompt will result in a user message entry plus an agent message entry.
4921        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4922            acp::ContentChunk::new("Response 1".into()),
4923        )]);
4924
4925        let (conversation_view, cx) =
4926            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
4927
4928        let thread = conversation_view
4929            .read_with(cx, |view, cx| {
4930                view.active_thread().map(|r| r.read(cx).thread.clone())
4931            })
4932            .unwrap();
4933
4934        thread
4935            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
4936            .await
4937            .unwrap();
4938        cx.run_until_parked();
4939
4940        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4941            acp::ContentChunk::new("Response 2".into()),
4942        )]);
4943
4944        thread
4945            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
4946            .await
4947            .unwrap();
4948        cx.run_until_parked();
4949
4950        // Move somewhere else first so we're not trivially already on the last user prompt.
4951        active_thread(&conversation_view, cx).update(cx, |view, cx| {
4952            view.scroll_to_top(cx);
4953        });
4954        cx.run_until_parked();
4955
4956        active_thread(&conversation_view, cx).update(cx, |view, cx| {
4957            view.scroll_to_most_recent_user_prompt(cx);
4958            let scroll_top = view.list_state.logical_scroll_top();
4959            // Entries layout is: [User1, Assistant1, User2, Assistant2]
4960            assert_eq!(scroll_top.item_ix, 2);
4961        });
4962    }
4963
4964    #[gpui::test]
4965    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
4966        cx: &mut TestAppContext,
4967    ) {
4968        init_test(cx);
4969
4970        let (conversation_view, cx) =
4971            setup_conversation_view(StubAgentServer::default_response(), cx).await;
4972
4973        // With no entries, scrolling should be a no-op and must not panic.
4974        active_thread(&conversation_view, cx).update(cx, |view, cx| {
4975            view.scroll_to_most_recent_user_prompt(cx);
4976            let scroll_top = view.list_state.logical_scroll_top();
4977            assert_eq!(scroll_top.item_ix, 0);
4978        });
4979    }
4980
4981    #[gpui::test]
4982    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
4983        init_test(cx);
4984
4985        let connection = StubAgentConnection::new();
4986
4987        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4988            acp::ContentChunk::new("Response".into()),
4989        )]);
4990
4991        let (conversation_view, cx) =
4992            setup_conversation_view(StubAgentServer::new(connection), cx).await;
4993        add_to_workspace(conversation_view.clone(), cx);
4994
4995        let message_editor = message_editor(&conversation_view, cx);
4996        message_editor.update_in(cx, |editor, window, cx| {
4997            editor.set_text("Original message to edit", window, cx);
4998        });
4999        active_thread(&conversation_view, cx)
5000            .update_in(cx, |view, window, cx| view.send(window, cx));
5001
5002        cx.run_until_parked();
5003
5004        let user_message_editor = conversation_view.read_with(cx, |view, cx| {
5005            assert_eq!(
5006                view.active_thread()
5007                    .and_then(|active| active.read(cx).editing_message),
5008                None
5009            );
5010
5011            view.active_thread()
5012                .map(|active| &active.read(cx).entry_view_state)
5013                .as_ref()
5014                .unwrap()
5015                .read(cx)
5016                .entry(0)
5017                .unwrap()
5018                .message_editor()
5019                .unwrap()
5020                .clone()
5021        });
5022
5023        // Focus
5024        cx.focus(&user_message_editor);
5025        conversation_view.read_with(cx, |view, cx| {
5026            assert_eq!(
5027                view.active_thread()
5028                    .and_then(|active| active.read(cx).editing_message),
5029                Some(0)
5030            );
5031        });
5032
5033        // Edit
5034        user_message_editor.update_in(cx, |editor, window, cx| {
5035            editor.set_text("Edited message content", window, cx);
5036        });
5037
5038        // Cancel
5039        user_message_editor.update_in(cx, |_editor, window, cx| {
5040            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5041        });
5042
5043        conversation_view.read_with(cx, |view, cx| {
5044            assert_eq!(
5045                view.active_thread()
5046                    .and_then(|active| active.read(cx).editing_message),
5047                None
5048            );
5049        });
5050
5051        user_message_editor.read_with(cx, |editor, cx| {
5052            assert_eq!(editor.text(cx), "Original message to edit");
5053        });
5054    }
5055
5056    #[gpui::test]
5057    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5058        init_test(cx);
5059
5060        let connection = StubAgentConnection::new();
5061
5062        let (conversation_view, cx) =
5063            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5064        add_to_workspace(conversation_view.clone(), cx);
5065
5066        let message_editor = message_editor(&conversation_view, cx);
5067        message_editor.update_in(cx, |editor, window, cx| {
5068            editor.set_text("", window, cx);
5069        });
5070
5071        let thread = cx.read(|cx| {
5072            conversation_view
5073                .read(cx)
5074                .active_thread()
5075                .unwrap()
5076                .read(cx)
5077                .thread
5078                .clone()
5079        });
5080        let entries_before = cx.read(|cx| thread.read(cx).entries().len());
5081
5082        active_thread(&conversation_view, cx).update_in(cx, |view, window, cx| {
5083            view.send(window, cx);
5084        });
5085        cx.run_until_parked();
5086
5087        let entries_after = cx.read(|cx| thread.read(cx).entries().len());
5088        assert_eq!(
5089            entries_before, entries_after,
5090            "No message should be sent when editor is empty"
5091        );
5092    }
5093
5094    #[gpui::test]
5095    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5096        init_test(cx);
5097
5098        let connection = StubAgentConnection::new();
5099
5100        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5101            acp::ContentChunk::new("Response".into()),
5102        )]);
5103
5104        let (conversation_view, cx) =
5105            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5106        add_to_workspace(conversation_view.clone(), cx);
5107
5108        let message_editor = message_editor(&conversation_view, cx);
5109        message_editor.update_in(cx, |editor, window, cx| {
5110            editor.set_text("Original message to edit", window, cx);
5111        });
5112        active_thread(&conversation_view, cx)
5113            .update_in(cx, |view, window, cx| view.send(window, cx));
5114
5115        cx.run_until_parked();
5116
5117        let user_message_editor = conversation_view.read_with(cx, |view, cx| {
5118            assert_eq!(
5119                view.active_thread()
5120                    .and_then(|active| active.read(cx).editing_message),
5121                None
5122            );
5123            assert_eq!(
5124                view.active_thread()
5125                    .unwrap()
5126                    .read(cx)
5127                    .thread
5128                    .read(cx)
5129                    .entries()
5130                    .len(),
5131                2
5132            );
5133
5134            view.active_thread()
5135                .map(|active| &active.read(cx).entry_view_state)
5136                .as_ref()
5137                .unwrap()
5138                .read(cx)
5139                .entry(0)
5140                .unwrap()
5141                .message_editor()
5142                .unwrap()
5143                .clone()
5144        });
5145
5146        // Focus
5147        cx.focus(&user_message_editor);
5148
5149        // Edit
5150        user_message_editor.update_in(cx, |editor, window, cx| {
5151            editor.set_text("Edited message content", window, cx);
5152        });
5153
5154        // Send
5155        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5156            acp::ContentChunk::new("New Response".into()),
5157        )]);
5158
5159        user_message_editor.update_in(cx, |_editor, window, cx| {
5160            window.dispatch_action(Box::new(Chat), cx);
5161        });
5162
5163        cx.run_until_parked();
5164
5165        conversation_view.read_with(cx, |view, cx| {
5166            assert_eq!(
5167                view.active_thread()
5168                    .and_then(|active| active.read(cx).editing_message),
5169                None
5170            );
5171
5172            let entries = view
5173                .active_thread()
5174                .unwrap()
5175                .read(cx)
5176                .thread
5177                .read(cx)
5178                .entries();
5179            assert_eq!(entries.len(), 2);
5180            assert_eq!(
5181                entries[0].to_markdown(cx),
5182                "## User\n\nEdited message content\n\n"
5183            );
5184            assert_eq!(
5185                entries[1].to_markdown(cx),
5186                "## Assistant\n\nNew Response\n\n"
5187            );
5188
5189            let entry_view_state = view
5190                .active_thread()
5191                .map(|active| &active.read(cx).entry_view_state)
5192                .unwrap();
5193            let new_editor = entry_view_state.read_with(cx, |state, _cx| {
5194                assert!(!state.entry(1).unwrap().has_content());
5195                state.entry(0).unwrap().message_editor().unwrap().clone()
5196            });
5197
5198            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5199        })
5200    }
5201
5202    #[gpui::test]
5203    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5204        init_test(cx);
5205
5206        let connection = StubAgentConnection::new();
5207
5208        let (conversation_view, cx) =
5209            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5210        add_to_workspace(conversation_view.clone(), cx);
5211
5212        let message_editor = message_editor(&conversation_view, cx);
5213        message_editor.update_in(cx, |editor, window, cx| {
5214            editor.set_text("Original message to edit", window, cx);
5215        });
5216        active_thread(&conversation_view, cx)
5217            .update_in(cx, |view, window, cx| view.send(window, cx));
5218
5219        cx.run_until_parked();
5220
5221        let (user_message_editor, session_id) = conversation_view.read_with(cx, |view, cx| {
5222            let thread = view.active_thread().unwrap().read(cx).thread.read(cx);
5223            assert_eq!(thread.entries().len(), 1);
5224
5225            let editor = view
5226                .active_thread()
5227                .map(|active| &active.read(cx).entry_view_state)
5228                .as_ref()
5229                .unwrap()
5230                .read(cx)
5231                .entry(0)
5232                .unwrap()
5233                .message_editor()
5234                .unwrap()
5235                .clone();
5236
5237            (editor, thread.session_id().clone())
5238        });
5239
5240        // Focus
5241        cx.focus(&user_message_editor);
5242
5243        conversation_view.read_with(cx, |view, cx| {
5244            assert_eq!(
5245                view.active_thread()
5246                    .and_then(|active| active.read(cx).editing_message),
5247                Some(0)
5248            );
5249        });
5250
5251        // Edit
5252        user_message_editor.update_in(cx, |editor, window, cx| {
5253            editor.set_text("Edited message content", window, cx);
5254        });
5255
5256        conversation_view.read_with(cx, |view, cx| {
5257            assert_eq!(
5258                view.active_thread()
5259                    .and_then(|active| active.read(cx).editing_message),
5260                Some(0)
5261            );
5262        });
5263
5264        // Finish streaming response
5265        cx.update(|_, cx| {
5266            connection.send_update(
5267                session_id.clone(),
5268                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
5269                cx,
5270            );
5271            connection.end_turn(session_id, acp::StopReason::EndTurn);
5272        });
5273
5274        conversation_view.read_with(cx, |view, cx| {
5275            assert_eq!(
5276                view.active_thread()
5277                    .and_then(|active| active.read(cx).editing_message),
5278                Some(0)
5279            );
5280        });
5281
5282        cx.run_until_parked();
5283
5284        // Should still be editing
5285        cx.update(|window, cx| {
5286            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5287            assert_eq!(
5288                conversation_view
5289                    .read(cx)
5290                    .active_thread()
5291                    .and_then(|active| active.read(cx).editing_message),
5292                Some(0)
5293            );
5294            assert_eq!(
5295                user_message_editor.read(cx).text(cx),
5296                "Edited message content"
5297            );
5298        });
5299    }
5300
5301    #[gpui::test]
5302    async fn test_stale_stop_does_not_disable_follow_tail_during_regenerate(
5303        cx: &mut TestAppContext,
5304    ) {
5305        init_test(cx);
5306
5307        let connection = StubAgentConnection::new();
5308
5309        let (conversation_view, cx) =
5310            setup_conversation_view(StubAgentServer::new(connection.clone()), 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("Original message to edit", window, cx);
5316        });
5317        active_thread(&conversation_view, cx)
5318            .update_in(cx, |view, window, cx| view.send(window, cx));
5319
5320        cx.run_until_parked();
5321
5322        let user_message_editor = conversation_view.read_with(cx, |view, cx| {
5323            view.active_thread()
5324                .map(|active| &active.read(cx).entry_view_state)
5325                .as_ref()
5326                .unwrap()
5327                .read(cx)
5328                .entry(0)
5329                .unwrap()
5330                .message_editor()
5331                .unwrap()
5332                .clone()
5333        });
5334
5335        cx.focus(&user_message_editor);
5336        user_message_editor.update_in(cx, |editor, window, cx| {
5337            editor.set_text("Edited message content", window, cx);
5338        });
5339
5340        user_message_editor.update_in(cx, |_editor, window, cx| {
5341            window.dispatch_action(Box::new(Chat), cx);
5342        });
5343
5344        cx.run_until_parked();
5345
5346        conversation_view.read_with(cx, |view, cx| {
5347            let active = view.active_thread().unwrap();
5348            let active = active.read(cx);
5349
5350            assert_eq!(active.thread.read(cx).status(), ThreadStatus::Generating);
5351            assert!(
5352                active.list_state.is_following_tail(),
5353                "stale stop events from the cancelled turn must not disable follow-tail for the new turn"
5354            );
5355        });
5356    }
5357
5358    struct GeneratingThreadSetup {
5359        conversation_view: Entity<ConversationView>,
5360        thread: Entity<AcpThread>,
5361        message_editor: Entity<MessageEditor>,
5362    }
5363
5364    async fn setup_generating_thread(
5365        cx: &mut TestAppContext,
5366    ) -> (GeneratingThreadSetup, &mut VisualTestContext) {
5367        let connection = StubAgentConnection::new();
5368
5369        let (conversation_view, cx) =
5370            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5371        add_to_workspace(conversation_view.clone(), cx);
5372
5373        let message_editor = message_editor(&conversation_view, cx);
5374        message_editor.update_in(cx, |editor, window, cx| {
5375            editor.set_text("Hello", window, cx);
5376        });
5377        active_thread(&conversation_view, cx)
5378            .update_in(cx, |view, window, cx| view.send(window, cx));
5379
5380        let (thread, session_id) = conversation_view.read_with(cx, |view, cx| {
5381            let thread = view
5382                .active_thread()
5383                .as_ref()
5384                .unwrap()
5385                .read(cx)
5386                .thread
5387                .clone();
5388            (thread.clone(), thread.read(cx).session_id().clone())
5389        });
5390
5391        cx.run_until_parked();
5392
5393        cx.update(|_, cx| {
5394            connection.send_update(
5395                session_id.clone(),
5396                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5397                    "Response chunk".into(),
5398                )),
5399                cx,
5400            );
5401        });
5402
5403        cx.run_until_parked();
5404
5405        thread.read_with(cx, |thread, _cx| {
5406            assert_eq!(thread.status(), ThreadStatus::Generating);
5407        });
5408
5409        (
5410            GeneratingThreadSetup {
5411                conversation_view,
5412                thread,
5413                message_editor,
5414            },
5415            cx,
5416        )
5417    }
5418
5419    #[gpui::test]
5420    async fn test_escape_cancels_generation_from_conversation_focus(cx: &mut TestAppContext) {
5421        init_test(cx);
5422
5423        let (setup, cx) = setup_generating_thread(cx).await;
5424
5425        let focus_handle = setup
5426            .conversation_view
5427            .read_with(cx, |view, cx| view.focus_handle(cx));
5428        cx.update(|window, cx| {
5429            window.focus(&focus_handle, cx);
5430        });
5431
5432        setup.conversation_view.update_in(cx, |_, window, cx| {
5433            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5434        });
5435
5436        cx.run_until_parked();
5437
5438        setup.thread.read_with(cx, |thread, _cx| {
5439            assert_eq!(thread.status(), ThreadStatus::Idle);
5440        });
5441    }
5442
5443    #[gpui::test]
5444    async fn test_escape_cancels_generation_from_editor_focus(cx: &mut TestAppContext) {
5445        init_test(cx);
5446
5447        let (setup, cx) = setup_generating_thread(cx).await;
5448
5449        let editor_focus_handle = setup
5450            .message_editor
5451            .read_with(cx, |editor, cx| editor.focus_handle(cx));
5452        cx.update(|window, cx| {
5453            window.focus(&editor_focus_handle, cx);
5454        });
5455
5456        setup.message_editor.update_in(cx, |_, window, cx| {
5457            window.dispatch_action(editor::actions::Cancel.boxed_clone(), cx);
5458        });
5459
5460        cx.run_until_parked();
5461
5462        setup.thread.read_with(cx, |thread, _cx| {
5463            assert_eq!(thread.status(), ThreadStatus::Idle);
5464        });
5465    }
5466
5467    #[gpui::test]
5468    async fn test_escape_when_idle_is_noop(cx: &mut TestAppContext) {
5469        init_test(cx);
5470
5471        let (conversation_view, cx) =
5472            setup_conversation_view(StubAgentServer::new(StubAgentConnection::new()), cx).await;
5473        add_to_workspace(conversation_view.clone(), cx);
5474
5475        let thread = conversation_view.read_with(cx, |view, cx| {
5476            view.active_thread().unwrap().read(cx).thread.clone()
5477        });
5478
5479        thread.read_with(cx, |thread, _cx| {
5480            assert_eq!(thread.status(), ThreadStatus::Idle);
5481        });
5482
5483        let focus_handle = conversation_view.read_with(cx, |view, _cx| view.focus_handle.clone());
5484        cx.update(|window, cx| {
5485            window.focus(&focus_handle, cx);
5486        });
5487
5488        conversation_view.update_in(cx, |_, window, cx| {
5489            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5490        });
5491
5492        cx.run_until_parked();
5493
5494        thread.read_with(cx, |thread, _cx| {
5495            assert_eq!(thread.status(), ThreadStatus::Idle);
5496        });
5497    }
5498
5499    #[gpui::test]
5500    async fn test_interrupt(cx: &mut TestAppContext) {
5501        init_test(cx);
5502
5503        let connection = StubAgentConnection::new();
5504
5505        let (conversation_view, cx) =
5506            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5507        add_to_workspace(conversation_view.clone(), cx);
5508
5509        let message_editor = message_editor(&conversation_view, cx);
5510        message_editor.update_in(cx, |editor, window, cx| {
5511            editor.set_text("Message 1", window, cx);
5512        });
5513        active_thread(&conversation_view, cx)
5514            .update_in(cx, |view, window, cx| view.send(window, cx));
5515
5516        let (thread, session_id) = conversation_view.read_with(cx, |view, cx| {
5517            let thread = view.active_thread().unwrap().read(cx).thread.clone();
5518
5519            (thread.clone(), thread.read(cx).session_id().clone())
5520        });
5521
5522        cx.run_until_parked();
5523
5524        cx.update(|_, cx| {
5525            connection.send_update(
5526                session_id.clone(),
5527                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5528                    "Message 1 resp".into(),
5529                )),
5530                cx,
5531            );
5532        });
5533
5534        cx.run_until_parked();
5535
5536        thread.read_with(cx, |thread, cx| {
5537            assert_eq!(
5538                thread.to_markdown(cx),
5539                indoc::indoc! {"
5540                        ## User
5541
5542                        Message 1
5543
5544                        ## Assistant
5545
5546                        Message 1 resp
5547
5548                    "}
5549            )
5550        });
5551
5552        message_editor.update_in(cx, |editor, window, cx| {
5553            editor.set_text("Message 2", window, cx);
5554        });
5555        active_thread(&conversation_view, cx)
5556            .update_in(cx, |view, window, cx| view.interrupt_and_send(window, cx));
5557
5558        cx.update(|_, cx| {
5559            // Simulate a response sent after beginning to cancel
5560            connection.send_update(
5561                session_id.clone(),
5562                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
5563                cx,
5564            );
5565        });
5566
5567        cx.run_until_parked();
5568
5569        // Last Message 1 response should appear before Message 2
5570        thread.read_with(cx, |thread, cx| {
5571            assert_eq!(
5572                thread.to_markdown(cx),
5573                indoc::indoc! {"
5574                        ## User
5575
5576                        Message 1
5577
5578                        ## Assistant
5579
5580                        Message 1 response
5581
5582                        ## User
5583
5584                        Message 2
5585
5586                    "}
5587            )
5588        });
5589
5590        cx.update(|_, cx| {
5591            connection.send_update(
5592                session_id.clone(),
5593                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5594                    "Message 2 response".into(),
5595                )),
5596                cx,
5597            );
5598            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5599        });
5600
5601        cx.run_until_parked();
5602
5603        thread.read_with(cx, |thread, cx| {
5604            assert_eq!(
5605                thread.to_markdown(cx),
5606                indoc::indoc! {"
5607                        ## User
5608
5609                        Message 1
5610
5611                        ## Assistant
5612
5613                        Message 1 response
5614
5615                        ## User
5616
5617                        Message 2
5618
5619                        ## Assistant
5620
5621                        Message 2 response
5622
5623                    "}
5624            )
5625        });
5626    }
5627
5628    #[gpui::test]
5629    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
5630        init_test(cx);
5631
5632        let connection = StubAgentConnection::new();
5633        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5634            acp::ContentChunk::new("Response".into()),
5635        )]);
5636
5637        let (conversation_view, cx) =
5638            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5639        add_to_workspace(conversation_view.clone(), cx);
5640
5641        let message_editor = message_editor(&conversation_view, cx);
5642        message_editor.update_in(cx, |editor, window, cx| {
5643            editor.set_text("Original message to edit", window, cx)
5644        });
5645        active_thread(&conversation_view, cx)
5646            .update_in(cx, |view, window, cx| view.send(window, cx));
5647        cx.run_until_parked();
5648
5649        let user_message_editor = conversation_view.read_with(cx, |conversation_view, cx| {
5650            conversation_view
5651                .active_thread()
5652                .map(|active| &active.read(cx).entry_view_state)
5653                .as_ref()
5654                .unwrap()
5655                .read(cx)
5656                .entry(0)
5657                .expect("Should have at least one entry")
5658                .message_editor()
5659                .expect("Should have message editor")
5660                .clone()
5661        });
5662
5663        cx.focus(&user_message_editor);
5664        conversation_view.read_with(cx, |view, cx| {
5665            assert_eq!(
5666                view.active_thread()
5667                    .and_then(|active| active.read(cx).editing_message),
5668                Some(0)
5669            );
5670        });
5671
5672        // Ensure to edit the focused message before proceeding otherwise, since
5673        // its content is not different from what was sent, focus will be lost.
5674        user_message_editor.update_in(cx, |editor, window, cx| {
5675            editor.set_text("Original message to edit with ", window, cx)
5676        });
5677
5678        // Create a simple buffer with some text so we can create a selection
5679        // that will then be added to the message being edited.
5680        let (workspace, project) = conversation_view.read_with(cx, |conversation_view, _cx| {
5681            (
5682                conversation_view.workspace.clone(),
5683                conversation_view.project.clone(),
5684            )
5685        });
5686        let buffer = project.update(cx, |project, cx| {
5687            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5688        });
5689
5690        workspace
5691            .update_in(cx, |workspace, window, cx| {
5692                let editor = cx.new(|cx| {
5693                    let mut editor =
5694                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5695
5696                    editor.change_selections(Default::default(), window, cx, |selections| {
5697                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5698                    });
5699
5700                    editor
5701                });
5702                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5703            })
5704            .unwrap();
5705
5706        conversation_view.update_in(cx, |view, window, cx| {
5707            assert_eq!(
5708                view.active_thread()
5709                    .and_then(|active| active.read(cx).editing_message),
5710                Some(0)
5711            );
5712            view.insert_selections(window, cx);
5713        });
5714
5715        user_message_editor.read_with(cx, |editor, cx| {
5716            let text = editor.editor().read(cx).text(cx);
5717            let expected_text = String::from("Original message to edit with selection ");
5718
5719            assert_eq!(text, expected_text);
5720        });
5721    }
5722
5723    #[gpui::test]
5724    async fn test_insert_selections(cx: &mut TestAppContext) {
5725        init_test(cx);
5726
5727        let connection = StubAgentConnection::new();
5728        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5729            acp::ContentChunk::new("Response".into()),
5730        )]);
5731
5732        let (conversation_view, cx) =
5733            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5734        add_to_workspace(conversation_view.clone(), cx);
5735
5736        let message_editor = message_editor(&conversation_view, cx);
5737        message_editor.update_in(cx, |editor, window, cx| {
5738            editor.set_text("Can you review this snippet ", window, cx)
5739        });
5740
5741        // Create a simple buffer with some text so we can create a selection
5742        // that will then be added to the message being edited.
5743        let (workspace, project) = conversation_view.read_with(cx, |conversation_view, _cx| {
5744            (
5745                conversation_view.workspace.clone(),
5746                conversation_view.project.clone(),
5747            )
5748        });
5749        let buffer = project.update(cx, |project, cx| {
5750            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5751        });
5752
5753        workspace
5754            .update_in(cx, |workspace, window, cx| {
5755                let editor = cx.new(|cx| {
5756                    let mut editor =
5757                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5758
5759                    editor.change_selections(Default::default(), window, cx, |selections| {
5760                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5761                    });
5762
5763                    editor
5764                });
5765                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5766            })
5767            .unwrap();
5768
5769        conversation_view.update_in(cx, |view, window, cx| {
5770            assert_eq!(
5771                view.active_thread()
5772                    .and_then(|active| active.read(cx).editing_message),
5773                None
5774            );
5775            view.insert_selections(window, cx);
5776        });
5777
5778        message_editor.read_with(cx, |editor, cx| {
5779            let text = editor.text(cx);
5780            let expected_txt = String::from("Can you review this snippet selection ");
5781
5782            assert_eq!(text, expected_txt);
5783        })
5784    }
5785
5786    #[gpui::test]
5787    async fn test_tool_permission_buttons_terminal_with_pattern(cx: &mut TestAppContext) {
5788        init_test(cx);
5789
5790        let tool_call_id = acp::ToolCallId::new("terminal-1");
5791        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `cargo build --release`")
5792            .kind(acp::ToolKind::Edit);
5793
5794        let permission_options = ToolPermissionContext::new(
5795            TerminalTool::NAME,
5796            vec!["cargo build --release".to_string()],
5797        )
5798        .build_permission_options();
5799
5800        let connection =
5801            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5802                tool_call_id.clone(),
5803                permission_options,
5804            )]));
5805
5806        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5807
5808        let (conversation_view, cx) =
5809            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5810
5811        // Disable notifications to avoid popup windows
5812        cx.update(|_window, cx| {
5813            AgentSettings::override_global(
5814                AgentSettings {
5815                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5816                    ..AgentSettings::get_global(cx).clone()
5817                },
5818                cx,
5819            );
5820        });
5821
5822        let message_editor = message_editor(&conversation_view, cx);
5823        message_editor.update_in(cx, |editor, window, cx| {
5824            editor.set_text("Run cargo build", window, cx);
5825        });
5826
5827        active_thread(&conversation_view, cx)
5828            .update_in(cx, |view, window, cx| view.send(window, cx));
5829
5830        cx.run_until_parked();
5831
5832        // Verify the tool call is in WaitingForConfirmation state with the expected options
5833        conversation_view.read_with(cx, |conversation_view, cx| {
5834            let thread = conversation_view
5835                .active_thread()
5836                .expect("Thread should exist")
5837                .read(cx)
5838                .thread
5839                .clone();
5840            let thread = thread.read(cx);
5841
5842            let tool_call = thread.entries().iter().find_map(|entry| {
5843                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5844                    Some(call)
5845                } else {
5846                    None
5847                }
5848            });
5849
5850            assert!(tool_call.is_some(), "Expected a tool call entry");
5851            let tool_call = tool_call.unwrap();
5852
5853            // Verify it's waiting for confirmation
5854            assert!(
5855                matches!(
5856                    tool_call.status,
5857                    acp_thread::ToolCallStatus::WaitingForConfirmation { .. }
5858                ),
5859                "Expected WaitingForConfirmation status, got {:?}",
5860                tool_call.status
5861            );
5862
5863            // Verify the options count (granularity options only, no separate Deny option)
5864            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5865                &tool_call.status
5866            {
5867                let PermissionOptions::Dropdown(choices) = options else {
5868                    panic!("Expected dropdown permission options");
5869                };
5870
5871                assert_eq!(
5872                    choices.len(),
5873                    3,
5874                    "Expected 3 permission options (granularity only)"
5875                );
5876
5877                // Verify specific button labels (now using neutral names)
5878                let labels: Vec<&str> = choices
5879                    .iter()
5880                    .map(|choice| choice.allow.name.as_ref())
5881                    .collect();
5882                assert!(
5883                    labels.contains(&"Always for terminal"),
5884                    "Missing 'Always for terminal' option"
5885                );
5886                assert!(
5887                    labels.contains(&"Always for `cargo build` commands"),
5888                    "Missing pattern option"
5889                );
5890                assert!(
5891                    labels.contains(&"Only this time"),
5892                    "Missing 'Only this time' option"
5893                );
5894            }
5895        });
5896    }
5897
5898    #[gpui::test]
5899    async fn test_tool_permission_buttons_edit_file_with_path_pattern(cx: &mut TestAppContext) {
5900        init_test(cx);
5901
5902        let tool_call_id = acp::ToolCallId::new("edit-file-1");
5903        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Edit `src/main.rs`")
5904            .kind(acp::ToolKind::Edit);
5905
5906        let permission_options =
5907            ToolPermissionContext::new(EditFileTool::NAME, vec!["src/main.rs".to_string()])
5908                .build_permission_options();
5909
5910        let connection =
5911            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5912                tool_call_id.clone(),
5913                permission_options,
5914            )]));
5915
5916        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5917
5918        let (conversation_view, cx) =
5919            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5920
5921        // Disable notifications
5922        cx.update(|_window, cx| {
5923            AgentSettings::override_global(
5924                AgentSettings {
5925                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5926                    ..AgentSettings::get_global(cx).clone()
5927                },
5928                cx,
5929            );
5930        });
5931
5932        let message_editor = message_editor(&conversation_view, cx);
5933        message_editor.update_in(cx, |editor, window, cx| {
5934            editor.set_text("Edit the main file", window, cx);
5935        });
5936
5937        active_thread(&conversation_view, cx)
5938            .update_in(cx, |view, window, cx| view.send(window, cx));
5939
5940        cx.run_until_parked();
5941
5942        // Verify the options
5943        conversation_view.read_with(cx, |conversation_view, cx| {
5944            let thread = conversation_view
5945                .active_thread()
5946                .expect("Thread should exist")
5947                .read(cx)
5948                .thread
5949                .clone();
5950            let thread = thread.read(cx);
5951
5952            let tool_call = thread.entries().iter().find_map(|entry| {
5953                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
5954                    Some(call)
5955                } else {
5956                    None
5957                }
5958            });
5959
5960            assert!(tool_call.is_some(), "Expected a tool call entry");
5961            let tool_call = tool_call.unwrap();
5962
5963            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
5964                &tool_call.status
5965            {
5966                let PermissionOptions::Dropdown(choices) = options else {
5967                    panic!("Expected dropdown permission options");
5968                };
5969
5970                let labels: Vec<&str> = choices
5971                    .iter()
5972                    .map(|choice| choice.allow.name.as_ref())
5973                    .collect();
5974                assert!(
5975                    labels.contains(&"Always for edit file"),
5976                    "Missing 'Always for edit file' option"
5977                );
5978                assert!(
5979                    labels.contains(&"Always for `src/`"),
5980                    "Missing path pattern option"
5981                );
5982            } else {
5983                panic!("Expected WaitingForConfirmation status");
5984            }
5985        });
5986    }
5987
5988    #[gpui::test]
5989    async fn test_tool_permission_buttons_fetch_with_domain_pattern(cx: &mut TestAppContext) {
5990        init_test(cx);
5991
5992        let tool_call_id = acp::ToolCallId::new("fetch-1");
5993        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Fetch `https://docs.rs/gpui`")
5994            .kind(acp::ToolKind::Fetch);
5995
5996        let permission_options =
5997            ToolPermissionContext::new(FetchTool::NAME, vec!["https://docs.rs/gpui".to_string()])
5998                .build_permission_options();
5999
6000        let connection =
6001            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6002                tool_call_id.clone(),
6003                permission_options,
6004            )]));
6005
6006        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6007
6008        let (conversation_view, cx) =
6009            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6010
6011        // Disable notifications
6012        cx.update(|_window, cx| {
6013            AgentSettings::override_global(
6014                AgentSettings {
6015                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6016                    ..AgentSettings::get_global(cx).clone()
6017                },
6018                cx,
6019            );
6020        });
6021
6022        let message_editor = message_editor(&conversation_view, cx);
6023        message_editor.update_in(cx, |editor, window, cx| {
6024            editor.set_text("Fetch the docs", window, cx);
6025        });
6026
6027        active_thread(&conversation_view, cx)
6028            .update_in(cx, |view, window, cx| view.send(window, cx));
6029
6030        cx.run_until_parked();
6031
6032        // Verify the options
6033        conversation_view.read_with(cx, |conversation_view, cx| {
6034            let thread = conversation_view
6035                .active_thread()
6036                .expect("Thread should exist")
6037                .read(cx)
6038                .thread
6039                .clone();
6040            let thread = thread.read(cx);
6041
6042            let tool_call = thread.entries().iter().find_map(|entry| {
6043                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
6044                    Some(call)
6045                } else {
6046                    None
6047                }
6048            });
6049
6050            assert!(tool_call.is_some(), "Expected a tool call entry");
6051            let tool_call = tool_call.unwrap();
6052
6053            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
6054                &tool_call.status
6055            {
6056                let PermissionOptions::Dropdown(choices) = options else {
6057                    panic!("Expected dropdown permission options");
6058                };
6059
6060                let labels: Vec<&str> = choices
6061                    .iter()
6062                    .map(|choice| choice.allow.name.as_ref())
6063                    .collect();
6064                assert!(
6065                    labels.contains(&"Always for fetch"),
6066                    "Missing 'Always for fetch' option"
6067                );
6068                assert!(
6069                    labels.contains(&"Always for `docs.rs`"),
6070                    "Missing domain pattern option"
6071                );
6072            } else {
6073                panic!("Expected WaitingForConfirmation status");
6074            }
6075        });
6076    }
6077
6078    #[gpui::test]
6079    async fn test_tool_permission_buttons_without_pattern(cx: &mut TestAppContext) {
6080        init_test(cx);
6081
6082        let tool_call_id = acp::ToolCallId::new("terminal-no-pattern-1");
6083        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `./deploy.sh --production`")
6084            .kind(acp::ToolKind::Edit);
6085
6086        // No pattern button since ./deploy.sh doesn't match the alphanumeric pattern
6087        let permission_options = ToolPermissionContext::new(
6088            TerminalTool::NAME,
6089            vec!["./deploy.sh --production".to_string()],
6090        )
6091        .build_permission_options();
6092
6093        let connection =
6094            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6095                tool_call_id.clone(),
6096                permission_options,
6097            )]));
6098
6099        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6100
6101        let (conversation_view, cx) =
6102            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6103
6104        // Disable notifications
6105        cx.update(|_window, cx| {
6106            AgentSettings::override_global(
6107                AgentSettings {
6108                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6109                    ..AgentSettings::get_global(cx).clone()
6110                },
6111                cx,
6112            );
6113        });
6114
6115        let message_editor = message_editor(&conversation_view, cx);
6116        message_editor.update_in(cx, |editor, window, cx| {
6117            editor.set_text("Run the deploy script", window, cx);
6118        });
6119
6120        active_thread(&conversation_view, cx)
6121            .update_in(cx, |view, window, cx| view.send(window, cx));
6122
6123        cx.run_until_parked();
6124
6125        // Verify only 2 options (no pattern button when command doesn't match pattern)
6126        conversation_view.read_with(cx, |conversation_view, cx| {
6127            let thread = conversation_view
6128                .active_thread()
6129                .expect("Thread should exist")
6130                .read(cx)
6131                .thread
6132                .clone();
6133            let thread = thread.read(cx);
6134
6135            let tool_call = thread.entries().iter().find_map(|entry| {
6136                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
6137                    Some(call)
6138                } else {
6139                    None
6140                }
6141            });
6142
6143            assert!(tool_call.is_some(), "Expected a tool call entry");
6144            let tool_call = tool_call.unwrap();
6145
6146            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
6147                &tool_call.status
6148            {
6149                let PermissionOptions::Dropdown(choices) = options else {
6150                    panic!("Expected dropdown permission options");
6151                };
6152
6153                assert_eq!(
6154                    choices.len(),
6155                    2,
6156                    "Expected 2 permission options (no pattern option)"
6157                );
6158
6159                let labels: Vec<&str> = choices
6160                    .iter()
6161                    .map(|choice| choice.allow.name.as_ref())
6162                    .collect();
6163                assert!(
6164                    labels.contains(&"Always for terminal"),
6165                    "Missing 'Always for terminal' option"
6166                );
6167                assert!(
6168                    labels.contains(&"Only this time"),
6169                    "Missing 'Only this time' option"
6170                );
6171                // Should NOT contain a pattern option
6172                assert!(
6173                    !labels.iter().any(|l| l.contains("commands")),
6174                    "Should not have pattern option"
6175                );
6176            } else {
6177                panic!("Expected WaitingForConfirmation status");
6178            }
6179        });
6180    }
6181
6182    #[gpui::test]
6183    async fn test_authorize_tool_call_action_triggers_authorization(cx: &mut TestAppContext) {
6184        init_test(cx);
6185
6186        let tool_call_id = acp::ToolCallId::new("action-test-1");
6187        let tool_call =
6188            acp::ToolCall::new(tool_call_id.clone(), "Run `cargo test`").kind(acp::ToolKind::Edit);
6189
6190        let permission_options =
6191            ToolPermissionContext::new(TerminalTool::NAME, vec!["cargo test".to_string()])
6192                .build_permission_options();
6193
6194        let connection =
6195            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6196                tool_call_id.clone(),
6197                permission_options,
6198            )]));
6199
6200        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6201
6202        let (conversation_view, cx) =
6203            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6204        add_to_workspace(conversation_view.clone(), cx);
6205
6206        cx.update(|_window, cx| {
6207            AgentSettings::override_global(
6208                AgentSettings {
6209                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6210                    ..AgentSettings::get_global(cx).clone()
6211                },
6212                cx,
6213            );
6214        });
6215
6216        let message_editor = message_editor(&conversation_view, cx);
6217        message_editor.update_in(cx, |editor, window, cx| {
6218            editor.set_text("Run tests", window, cx);
6219        });
6220
6221        active_thread(&conversation_view, cx)
6222            .update_in(cx, |view, window, cx| view.send(window, cx));
6223
6224        cx.run_until_parked();
6225
6226        // Verify tool call is waiting for confirmation
6227        conversation_view.read_with(cx, |conversation_view, cx| {
6228            let tool_call = conversation_view.pending_tool_call(cx);
6229            assert!(
6230                tool_call.is_some(),
6231                "Expected a tool call waiting for confirmation"
6232            );
6233        });
6234
6235        // Dispatch the AuthorizeToolCall action (simulating dropdown menu selection)
6236        conversation_view.update_in(cx, |_, window, cx| {
6237            window.dispatch_action(
6238                crate::AuthorizeToolCall {
6239                    tool_call_id: "action-test-1".to_string(),
6240                    option_id: "allow".to_string(),
6241                    option_kind: "AllowOnce".to_string(),
6242                }
6243                .boxed_clone(),
6244                cx,
6245            );
6246        });
6247
6248        cx.run_until_parked();
6249
6250        // Verify tool call is no longer waiting for confirmation (was authorized)
6251        conversation_view.read_with(cx, |conversation_view, cx| {
6252            let tool_call = conversation_view.pending_tool_call(cx);
6253            assert!(
6254                tool_call.is_none(),
6255                "Tool call should no longer be waiting for confirmation after AuthorizeToolCall action"
6256            );
6257        });
6258    }
6259
6260    #[gpui::test]
6261    async fn test_authorize_tool_call_action_with_pattern_option(cx: &mut TestAppContext) {
6262        init_test(cx);
6263
6264        let tool_call_id = acp::ToolCallId::new("pattern-action-test-1");
6265        let tool_call =
6266            acp::ToolCall::new(tool_call_id.clone(), "Run `npm install`").kind(acp::ToolKind::Edit);
6267
6268        let permission_options =
6269            ToolPermissionContext::new(TerminalTool::NAME, vec!["npm install".to_string()])
6270                .build_permission_options();
6271
6272        let connection =
6273            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6274                tool_call_id.clone(),
6275                permission_options.clone(),
6276            )]));
6277
6278        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6279
6280        let (conversation_view, cx) =
6281            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6282        add_to_workspace(conversation_view.clone(), cx);
6283
6284        cx.update(|_window, cx| {
6285            AgentSettings::override_global(
6286                AgentSettings {
6287                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6288                    ..AgentSettings::get_global(cx).clone()
6289                },
6290                cx,
6291            );
6292        });
6293
6294        let message_editor = message_editor(&conversation_view, cx);
6295        message_editor.update_in(cx, |editor, window, cx| {
6296            editor.set_text("Install dependencies", window, cx);
6297        });
6298
6299        active_thread(&conversation_view, cx)
6300            .update_in(cx, |view, window, cx| view.send(window, cx));
6301
6302        cx.run_until_parked();
6303
6304        // Find the pattern option ID (the choice with non-empty sub_patterns)
6305        let pattern_option = match &permission_options {
6306            PermissionOptions::Dropdown(choices) => choices
6307                .iter()
6308                .find(|choice| !choice.sub_patterns.is_empty())
6309                .map(|choice| &choice.allow)
6310                .expect("Should have a pattern option for npm command"),
6311            _ => panic!("Expected dropdown permission options"),
6312        };
6313
6314        // Dispatch action with the pattern option (simulating "Always allow `npm` commands")
6315        conversation_view.update_in(cx, |_, window, cx| {
6316            window.dispatch_action(
6317                crate::AuthorizeToolCall {
6318                    tool_call_id: "pattern-action-test-1".to_string(),
6319                    option_id: pattern_option.option_id.0.to_string(),
6320                    option_kind: "AllowAlways".to_string(),
6321                }
6322                .boxed_clone(),
6323                cx,
6324            );
6325        });
6326
6327        cx.run_until_parked();
6328
6329        // Verify tool call was authorized
6330        conversation_view.read_with(cx, |conversation_view, cx| {
6331            let tool_call = conversation_view.pending_tool_call(cx);
6332            assert!(
6333                tool_call.is_none(),
6334                "Tool call should be authorized after selecting pattern option"
6335            );
6336        });
6337    }
6338
6339    #[gpui::test]
6340    async fn test_granularity_selection_updates_state(cx: &mut TestAppContext) {
6341        init_test(cx);
6342
6343        let tool_call_id = acp::ToolCallId::new("granularity-test-1");
6344        let tool_call =
6345            acp::ToolCall::new(tool_call_id.clone(), "Run `cargo build`").kind(acp::ToolKind::Edit);
6346
6347        let permission_options =
6348            ToolPermissionContext::new(TerminalTool::NAME, vec!["cargo build".to_string()])
6349                .build_permission_options();
6350
6351        let connection =
6352            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6353                tool_call_id.clone(),
6354                permission_options.clone(),
6355            )]));
6356
6357        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6358
6359        let (thread_view, cx) = setup_conversation_view(StubAgentServer::new(connection), cx).await;
6360        add_to_workspace(thread_view.clone(), cx);
6361
6362        cx.update(|_window, cx| {
6363            AgentSettings::override_global(
6364                AgentSettings {
6365                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6366                    ..AgentSettings::get_global(cx).clone()
6367                },
6368                cx,
6369            );
6370        });
6371
6372        let message_editor = message_editor(&thread_view, cx);
6373        message_editor.update_in(cx, |editor, window, cx| {
6374            editor.set_text("Build the project", window, cx);
6375        });
6376
6377        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
6378
6379        cx.run_until_parked();
6380
6381        // Verify default granularity is the last option (index 2 = "Only this time")
6382        thread_view.read_with(cx, |thread_view, cx| {
6383            let state = thread_view.active_thread().unwrap();
6384            let selected = state.read(cx).permission_selections.get(&tool_call_id);
6385            assert!(
6386                selected.is_none(),
6387                "Should have no selection initially (defaults to last)"
6388            );
6389        });
6390
6391        // Select the first option (index 0 = "Always for terminal")
6392        thread_view.update_in(cx, |_, window, cx| {
6393            window.dispatch_action(
6394                crate::SelectPermissionGranularity {
6395                    tool_call_id: "granularity-test-1".to_string(),
6396                    index: 0,
6397                }
6398                .boxed_clone(),
6399                cx,
6400            );
6401        });
6402
6403        cx.run_until_parked();
6404
6405        // Verify the selection was updated
6406        thread_view.read_with(cx, |thread_view, cx| {
6407            let state = thread_view.active_thread().unwrap();
6408            let selected = state.read(cx).permission_selections.get(&tool_call_id);
6409            assert_eq!(
6410                selected.and_then(|s| s.choice_index()),
6411                Some(0),
6412                "Should have selected index 0"
6413            );
6414        });
6415    }
6416
6417    #[gpui::test]
6418    async fn test_allow_button_uses_selected_granularity(cx: &mut TestAppContext) {
6419        init_test(cx);
6420
6421        let tool_call_id = acp::ToolCallId::new("allow-granularity-test-1");
6422        let tool_call =
6423            acp::ToolCall::new(tool_call_id.clone(), "Run `npm install`").kind(acp::ToolKind::Edit);
6424
6425        let permission_options =
6426            ToolPermissionContext::new(TerminalTool::NAME, vec!["npm install".to_string()])
6427                .build_permission_options();
6428
6429        // Verify we have the expected options
6430        let PermissionOptions::Dropdown(choices) = &permission_options else {
6431            panic!("Expected dropdown permission options");
6432        };
6433
6434        assert_eq!(choices.len(), 3);
6435        assert!(
6436            choices[0]
6437                .allow
6438                .option_id
6439                .0
6440                .contains("always_allow:terminal")
6441        );
6442        assert!(
6443            choices[1]
6444                .allow
6445                .option_id
6446                .0
6447                .contains("always_allow:terminal")
6448        );
6449        assert!(!choices[1].sub_patterns.is_empty());
6450        assert_eq!(choices[2].allow.option_id.0.as_ref(), "allow");
6451
6452        let connection =
6453            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6454                tool_call_id.clone(),
6455                permission_options.clone(),
6456            )]));
6457
6458        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6459
6460        let (thread_view, cx) = setup_conversation_view(StubAgentServer::new(connection), cx).await;
6461        add_to_workspace(thread_view.clone(), cx);
6462
6463        cx.update(|_window, cx| {
6464            AgentSettings::override_global(
6465                AgentSettings {
6466                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6467                    ..AgentSettings::get_global(cx).clone()
6468                },
6469                cx,
6470            );
6471        });
6472
6473        let message_editor = message_editor(&thread_view, cx);
6474        message_editor.update_in(cx, |editor, window, cx| {
6475            editor.set_text("Install dependencies", window, cx);
6476        });
6477
6478        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
6479
6480        cx.run_until_parked();
6481
6482        // Select the pattern option (index 1 = "Always for `npm` commands")
6483        thread_view.update_in(cx, |_, window, cx| {
6484            window.dispatch_action(
6485                crate::SelectPermissionGranularity {
6486                    tool_call_id: "allow-granularity-test-1".to_string(),
6487                    index: 1,
6488                }
6489                .boxed_clone(),
6490                cx,
6491            );
6492        });
6493
6494        cx.run_until_parked();
6495
6496        // Simulate clicking the Allow button by dispatching AllowOnce action
6497        // which should use the selected granularity
6498        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| {
6499            view.allow_once(&AllowOnce, window, cx)
6500        });
6501
6502        cx.run_until_parked();
6503
6504        // Verify tool call was authorized
6505        thread_view.read_with(cx, |thread_view, cx| {
6506            let tool_call = thread_view.pending_tool_call(cx);
6507            assert!(
6508                tool_call.is_none(),
6509                "Tool call should be authorized after Allow with pattern granularity"
6510            );
6511        });
6512    }
6513
6514    #[gpui::test]
6515    async fn test_deny_button_uses_selected_granularity(cx: &mut TestAppContext) {
6516        init_test(cx);
6517
6518        let tool_call_id = acp::ToolCallId::new("deny-granularity-test-1");
6519        let tool_call =
6520            acp::ToolCall::new(tool_call_id.clone(), "Run `git push`").kind(acp::ToolKind::Edit);
6521
6522        let permission_options =
6523            ToolPermissionContext::new(TerminalTool::NAME, vec!["git push".to_string()])
6524                .build_permission_options();
6525
6526        let connection =
6527            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6528                tool_call_id.clone(),
6529                permission_options.clone(),
6530            )]));
6531
6532        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6533
6534        let (conversation_view, cx) =
6535            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6536        add_to_workspace(conversation_view.clone(), cx);
6537
6538        cx.update(|_window, cx| {
6539            AgentSettings::override_global(
6540                AgentSettings {
6541                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6542                    ..AgentSettings::get_global(cx).clone()
6543                },
6544                cx,
6545            );
6546        });
6547
6548        let message_editor = message_editor(&conversation_view, cx);
6549        message_editor.update_in(cx, |editor, window, cx| {
6550            editor.set_text("Push changes", window, cx);
6551        });
6552
6553        active_thread(&conversation_view, cx)
6554            .update_in(cx, |view, window, cx| view.send(window, cx));
6555
6556        cx.run_until_parked();
6557
6558        // Use default granularity (last option = "Only this time")
6559        // Simulate clicking the Deny button
6560        active_thread(&conversation_view, cx).update_in(cx, |view, window, cx| {
6561            view.reject_once(&RejectOnce, window, cx)
6562        });
6563
6564        cx.run_until_parked();
6565
6566        // Verify tool call was rejected (no longer waiting for confirmation)
6567        conversation_view.read_with(cx, |conversation_view, cx| {
6568            let tool_call = conversation_view.pending_tool_call(cx);
6569            assert!(
6570                tool_call.is_none(),
6571                "Tool call should be rejected after Deny"
6572            );
6573        });
6574    }
6575
6576    #[gpui::test]
6577    async fn test_option_id_transformation_for_allow() {
6578        let permission_options = ToolPermissionContext::new(
6579            TerminalTool::NAME,
6580            vec!["cargo build --release".to_string()],
6581        )
6582        .build_permission_options();
6583
6584        let PermissionOptions::Dropdown(choices) = permission_options else {
6585            panic!("Expected dropdown permission options");
6586        };
6587
6588        let allow_ids: Vec<String> = choices
6589            .iter()
6590            .map(|choice| choice.allow.option_id.0.to_string())
6591            .collect();
6592
6593        assert!(allow_ids.contains(&"allow".to_string()));
6594        assert_eq!(
6595            allow_ids
6596                .iter()
6597                .filter(|id| *id == "always_allow:terminal")
6598                .count(),
6599            2,
6600            "Expected two always_allow:terminal IDs (one whole-tool, one pattern with sub_patterns)"
6601        );
6602    }
6603
6604    #[gpui::test]
6605    async fn test_option_id_transformation_for_deny() {
6606        let permission_options = ToolPermissionContext::new(
6607            TerminalTool::NAME,
6608            vec!["cargo build --release".to_string()],
6609        )
6610        .build_permission_options();
6611
6612        let PermissionOptions::Dropdown(choices) = permission_options else {
6613            panic!("Expected dropdown permission options");
6614        };
6615
6616        let deny_ids: Vec<String> = choices
6617            .iter()
6618            .map(|choice| choice.deny.option_id.0.to_string())
6619            .collect();
6620
6621        assert!(deny_ids.contains(&"deny".to_string()));
6622        assert_eq!(
6623            deny_ids
6624                .iter()
6625                .filter(|id| *id == "always_deny:terminal")
6626                .count(),
6627            2,
6628            "Expected two always_deny:terminal IDs (one whole-tool, one pattern with sub_patterns)"
6629        );
6630    }
6631
6632    #[gpui::test]
6633    async fn test_manually_editing_title_updates_acp_thread_title(cx: &mut TestAppContext) {
6634        init_test(cx);
6635
6636        let (conversation_view, cx) =
6637            setup_conversation_view(StubAgentServer::default_response(), cx).await;
6638        add_to_workspace(conversation_view.clone(), cx);
6639
6640        let active = active_thread(&conversation_view, cx);
6641        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6642        let thread = cx.read(|cx| active.read(cx).thread.clone());
6643
6644        title_editor.read_with(cx, |editor, cx| {
6645            assert!(!editor.read_only(cx));
6646        });
6647
6648        cx.focus(&conversation_view);
6649        cx.focus(&title_editor);
6650
6651        cx.dispatch_action(editor::actions::DeleteLine);
6652        cx.simulate_input("My Custom Title");
6653
6654        cx.run_until_parked();
6655
6656        title_editor.read_with(cx, |editor, cx| {
6657            assert_eq!(editor.text(cx), "My Custom Title");
6658        });
6659        thread.read_with(cx, |thread, _cx| {
6660            assert_eq!(thread.title(), Some("My Custom Title".into()));
6661        });
6662    }
6663
6664    #[gpui::test]
6665    async fn test_title_editor_is_read_only_when_set_title_unsupported(cx: &mut TestAppContext) {
6666        init_test(cx);
6667
6668        let (conversation_view, cx) =
6669            setup_conversation_view(StubAgentServer::new(ResumeOnlyAgentConnection), cx).await;
6670
6671        let active = active_thread(&conversation_view, cx);
6672        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6673
6674        title_editor.read_with(cx, |editor, cx| {
6675            assert!(
6676                editor.read_only(cx),
6677                "Title editor should be read-only when the connection does not support set_title"
6678            );
6679        });
6680    }
6681
6682    #[gpui::test]
6683    async fn test_max_tokens_error_is_rendered(cx: &mut TestAppContext) {
6684        init_test(cx);
6685
6686        let connection = StubAgentConnection::new();
6687
6688        let (conversation_view, cx) =
6689            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
6690
6691        let message_editor = message_editor(&conversation_view, cx);
6692        message_editor.update_in(cx, |editor, window, cx| {
6693            editor.set_text("Some prompt", window, cx);
6694        });
6695        active_thread(&conversation_view, cx)
6696            .update_in(cx, |view, window, cx| view.send(window, cx));
6697
6698        let session_id = conversation_view.read_with(cx, |view, cx| {
6699            view.active_thread()
6700                .unwrap()
6701                .read(cx)
6702                .thread
6703                .read(cx)
6704                .session_id()
6705                .clone()
6706        });
6707
6708        cx.run_until_parked();
6709
6710        cx.update(|_, _cx| {
6711            connection.end_turn(session_id, acp::StopReason::MaxTokens);
6712        });
6713
6714        cx.run_until_parked();
6715
6716        conversation_view.read_with(cx, |conversation_view, cx| {
6717            let state = conversation_view.active_thread().unwrap();
6718            let error = &state.read(cx).thread_error;
6719            assert!(
6720                matches!(error, Some(ThreadError::MaxOutputTokens)),
6721                "Expected ThreadError::MaxOutputTokens, got: {:?}",
6722                error.is_some()
6723            );
6724        });
6725    }
6726
6727    fn create_test_acp_thread(
6728        parent_session_id: Option<acp::SessionId>,
6729        session_id: &str,
6730        connection: Rc<dyn AgentConnection>,
6731        project: Entity<Project>,
6732        cx: &mut App,
6733    ) -> Entity<AcpThread> {
6734        let action_log = cx.new(|_| ActionLog::new(project.clone()));
6735        cx.new(|cx| {
6736            AcpThread::new(
6737                parent_session_id,
6738                None,
6739                None,
6740                connection,
6741                project,
6742                action_log,
6743                acp::SessionId::new(session_id),
6744                watch::Receiver::constant(acp::PromptCapabilities::new()),
6745                cx,
6746            )
6747        })
6748    }
6749
6750    fn request_test_tool_authorization(
6751        thread: &Entity<AcpThread>,
6752        tool_call_id: &str,
6753        option_id: &str,
6754        cx: &mut TestAppContext,
6755    ) -> Task<acp_thread::RequestPermissionOutcome> {
6756        let tool_call_id = acp::ToolCallId::new(tool_call_id);
6757        let label = format!("Tool {tool_call_id}");
6758        let option_id = acp::PermissionOptionId::new(option_id);
6759        cx.update(|cx| {
6760            thread.update(cx, |thread, cx| {
6761                thread
6762                    .request_tool_call_authorization(
6763                        acp::ToolCall::new(tool_call_id, label)
6764                            .kind(acp::ToolKind::Edit)
6765                            .into(),
6766                        PermissionOptions::Flat(vec![acp::PermissionOption::new(
6767                            option_id,
6768                            "Allow",
6769                            acp::PermissionOptionKind::AllowOnce,
6770                        )]),
6771                        cx,
6772                    )
6773                    .unwrap()
6774            })
6775        })
6776    }
6777
6778    #[gpui::test]
6779    async fn test_conversation_multiple_tool_calls_fifo_ordering(cx: &mut TestAppContext) {
6780        init_test(cx);
6781
6782        let fs = FakeFs::new(cx.executor());
6783        let project = Project::test(fs, [], cx).await;
6784        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6785
6786        let session_id = acp::SessionId::new("session-1");
6787        let (thread, conversation) = cx.update(|cx| {
6788            let thread =
6789                create_test_acp_thread(None, "session-1", connection.clone(), project.clone(), cx);
6790            let conversation = cx.new(|cx| {
6791                let mut conversation = Conversation::default();
6792                conversation.register_thread(thread.clone(), cx);
6793                conversation
6794            });
6795            (thread, conversation)
6796        });
6797
6798        let _task1 = request_test_tool_authorization(&thread, "tc-1", "allow-1", cx);
6799        let _task2 = request_test_tool_authorization(&thread, "tc-2", "allow-2", cx);
6800
6801        cx.read(|cx| {
6802            let (_, tool_call_id, _) = conversation
6803                .read(cx)
6804                .pending_tool_call(&session_id, cx)
6805                .expect("Expected a pending tool call");
6806            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-1"));
6807        });
6808
6809        cx.update(|cx| {
6810            conversation.update(cx, |conversation, cx| {
6811                conversation.authorize_tool_call(
6812                    session_id.clone(),
6813                    acp::ToolCallId::new("tc-1"),
6814                    SelectedPermissionOutcome::new(
6815                        acp::PermissionOptionId::new("allow-1"),
6816                        acp::PermissionOptionKind::AllowOnce,
6817                    ),
6818                    cx,
6819                );
6820            });
6821        });
6822
6823        cx.run_until_parked();
6824
6825        cx.read(|cx| {
6826            let (_, tool_call_id, _) = conversation
6827                .read(cx)
6828                .pending_tool_call(&session_id, cx)
6829                .expect("Expected tc-2 to be pending after tc-1 was authorized");
6830            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-2"));
6831        });
6832
6833        cx.update(|cx| {
6834            conversation.update(cx, |conversation, cx| {
6835                conversation.authorize_tool_call(
6836                    session_id.clone(),
6837                    acp::ToolCallId::new("tc-2"),
6838                    SelectedPermissionOutcome::new(
6839                        acp::PermissionOptionId::new("allow-2"),
6840                        acp::PermissionOptionKind::AllowOnce,
6841                    ),
6842                    cx,
6843                );
6844            });
6845        });
6846
6847        cx.run_until_parked();
6848
6849        cx.read(|cx| {
6850            assert!(
6851                conversation
6852                    .read(cx)
6853                    .pending_tool_call(&session_id, cx)
6854                    .is_none(),
6855                "Expected no pending tool calls after both were authorized"
6856            );
6857        });
6858    }
6859
6860    #[gpui::test]
6861    async fn test_conversation_subagent_scoped_pending_tool_call(cx: &mut TestAppContext) {
6862        init_test(cx);
6863
6864        let fs = FakeFs::new(cx.executor());
6865        let project = Project::test(fs, [], cx).await;
6866        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6867
6868        let parent_session_id = acp::SessionId::new("parent");
6869        let subagent_session_id = acp::SessionId::new("subagent");
6870        let (parent_thread, subagent_thread, conversation) = cx.update(|cx| {
6871            let parent_thread =
6872                create_test_acp_thread(None, "parent", connection.clone(), project.clone(), cx);
6873            let subagent_thread = create_test_acp_thread(
6874                Some(acp::SessionId::new("parent")),
6875                "subagent",
6876                connection.clone(),
6877                project.clone(),
6878                cx,
6879            );
6880            let conversation = cx.new(|cx| {
6881                let mut conversation = Conversation::default();
6882                conversation.register_thread(parent_thread.clone(), cx);
6883                conversation.register_thread(subagent_thread.clone(), cx);
6884                conversation
6885            });
6886            (parent_thread, subagent_thread, conversation)
6887        });
6888
6889        let _parent_task =
6890            request_test_tool_authorization(&parent_thread, "parent-tc", "allow-parent", cx);
6891        let _subagent_task =
6892            request_test_tool_authorization(&subagent_thread, "subagent-tc", "allow-subagent", cx);
6893
6894        // Querying with the subagent's session ID returns only the
6895        // subagent's own tool call (subagent path is scoped to its session)
6896        cx.read(|cx| {
6897            let (returned_session_id, tool_call_id, _) = conversation
6898                .read(cx)
6899                .pending_tool_call(&subagent_session_id, cx)
6900                .expect("Expected subagent's pending tool call");
6901            assert_eq!(returned_session_id, subagent_session_id);
6902            assert_eq!(tool_call_id, acp::ToolCallId::new("subagent-tc"));
6903        });
6904
6905        // Querying with the parent's session ID returns the first pending
6906        // request in FIFO order across all sessions
6907        cx.read(|cx| {
6908            let (returned_session_id, tool_call_id, _) = conversation
6909                .read(cx)
6910                .pending_tool_call(&parent_session_id, cx)
6911                .expect("Expected a pending tool call from parent query");
6912            assert_eq!(returned_session_id, parent_session_id);
6913            assert_eq!(tool_call_id, acp::ToolCallId::new("parent-tc"));
6914        });
6915    }
6916
6917    #[gpui::test]
6918    async fn test_conversation_parent_pending_tool_call_returns_first_across_threads(
6919        cx: &mut TestAppContext,
6920    ) {
6921        init_test(cx);
6922
6923        let fs = FakeFs::new(cx.executor());
6924        let project = Project::test(fs, [], cx).await;
6925        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6926
6927        let session_id_a = acp::SessionId::new("thread-a");
6928        let session_id_b = acp::SessionId::new("thread-b");
6929        let (thread_a, thread_b, conversation) = cx.update(|cx| {
6930            let thread_a =
6931                create_test_acp_thread(None, "thread-a", connection.clone(), project.clone(), cx);
6932            let thread_b =
6933                create_test_acp_thread(None, "thread-b", connection.clone(), project.clone(), cx);
6934            let conversation = cx.new(|cx| {
6935                let mut conversation = Conversation::default();
6936                conversation.register_thread(thread_a.clone(), cx);
6937                conversation.register_thread(thread_b.clone(), cx);
6938                conversation
6939            });
6940            (thread_a, thread_b, conversation)
6941        });
6942
6943        let _task_a = request_test_tool_authorization(&thread_a, "tc-a", "allow-a", cx);
6944        let _task_b = request_test_tool_authorization(&thread_b, "tc-b", "allow-b", cx);
6945
6946        // Both threads are non-subagent, so pending_tool_call always returns
6947        // the first entry from permission_requests (FIFO across all sessions)
6948        cx.read(|cx| {
6949            let (returned_session_id, tool_call_id, _) = conversation
6950                .read(cx)
6951                .pending_tool_call(&session_id_a, cx)
6952                .expect("Expected a pending tool call");
6953            assert_eq!(returned_session_id, session_id_a);
6954            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
6955        });
6956
6957        // Querying with thread-b also returns thread-a's tool call,
6958        // because non-subagent queries always use permission_requests.first()
6959        cx.read(|cx| {
6960            let (returned_session_id, tool_call_id, _) = conversation
6961                .read(cx)
6962                .pending_tool_call(&session_id_b, cx)
6963                .expect("Expected a pending tool call from thread-b query");
6964            assert_eq!(
6965                returned_session_id, session_id_a,
6966                "Non-subagent queries always return the first pending request in FIFO order"
6967            );
6968            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
6969        });
6970
6971        // After authorizing thread-a's tool call, thread-b's becomes first
6972        cx.update(|cx| {
6973            conversation.update(cx, |conversation, cx| {
6974                conversation.authorize_tool_call(
6975                    session_id_a.clone(),
6976                    acp::ToolCallId::new("tc-a"),
6977                    SelectedPermissionOutcome::new(
6978                        acp::PermissionOptionId::new("allow-a"),
6979                        acp::PermissionOptionKind::AllowOnce,
6980                    ),
6981                    cx,
6982                );
6983            });
6984        });
6985
6986        cx.run_until_parked();
6987
6988        cx.read(|cx| {
6989            let (returned_session_id, tool_call_id, _) = conversation
6990                .read(cx)
6991                .pending_tool_call(&session_id_b, cx)
6992                .expect("Expected thread-b's tool call after thread-a's was authorized");
6993            assert_eq!(returned_session_id, session_id_b);
6994            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-b"));
6995        });
6996    }
6997
6998    #[gpui::test]
6999    async fn test_move_queued_message_to_empty_main_editor(cx: &mut TestAppContext) {
7000        init_test(cx);
7001
7002        let (conversation_view, cx) =
7003            setup_conversation_view(StubAgentServer::default_response(), cx).await;
7004
7005        // Add a plain-text message to the queue directly.
7006        active_thread(&conversation_view, cx).update_in(cx, |thread, window, cx| {
7007            thread.add_to_queue(
7008                vec![acp::ContentBlock::Text(acp::TextContent::new(
7009                    "queued message".to_string(),
7010                ))],
7011                vec![],
7012                cx,
7013            );
7014            // Main editor must be empty for this path — it is by default, but
7015            // assert to make the precondition explicit.
7016            assert!(thread.message_editor.read(cx).is_empty(cx));
7017            thread.move_queued_message_to_main_editor(0, None, None, window, cx);
7018        });
7019
7020        cx.run_until_parked();
7021
7022        // Queue should now be empty.
7023        let queue_len = active_thread(&conversation_view, cx)
7024            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
7025        assert_eq!(queue_len, 0, "Queue should be empty after move");
7026
7027        // Main editor should contain the queued message text.
7028        let text = message_editor(&conversation_view, cx).update(cx, |editor, cx| editor.text(cx));
7029        assert_eq!(
7030            text, "queued message",
7031            "Main editor should contain the moved queued message"
7032        );
7033    }
7034
7035    #[gpui::test]
7036    async fn test_move_queued_message_to_non_empty_main_editor(cx: &mut TestAppContext) {
7037        init_test(cx);
7038
7039        let (conversation_view, cx) =
7040            setup_conversation_view(StubAgentServer::default_response(), cx).await;
7041
7042        // Seed the main editor with existing content.
7043        message_editor(&conversation_view, cx).update_in(cx, |editor, window, cx| {
7044            editor.set_message(
7045                vec![acp::ContentBlock::Text(acp::TextContent::new(
7046                    "existing content".to_string(),
7047                ))],
7048                window,
7049                cx,
7050            );
7051        });
7052
7053        // Add a plain-text message to the queue.
7054        active_thread(&conversation_view, cx).update_in(cx, |thread, window, cx| {
7055            thread.add_to_queue(
7056                vec![acp::ContentBlock::Text(acp::TextContent::new(
7057                    "queued message".to_string(),
7058                ))],
7059                vec![],
7060                cx,
7061            );
7062            thread.move_queued_message_to_main_editor(0, None, None, window, cx);
7063        });
7064
7065        cx.run_until_parked();
7066
7067        // Queue should now be empty.
7068        let queue_len = active_thread(&conversation_view, cx)
7069            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
7070        assert_eq!(queue_len, 0, "Queue should be empty after move");
7071
7072        // Main editor should contain existing content + separator + queued content.
7073        let text = message_editor(&conversation_view, cx).update(cx, |editor, cx| editor.text(cx));
7074        assert_eq!(
7075            text, "existing content\n\nqueued message",
7076            "Main editor should have existing content and queued message separated by two newlines"
7077        );
7078    }
7079
7080    #[gpui::test]
7081    async fn test_close_all_sessions_skips_when_unsupported(cx: &mut TestAppContext) {
7082        init_test(cx);
7083
7084        let fs = FakeFs::new(cx.executor());
7085        let project = Project::test(fs, [], cx).await;
7086        let (multi_workspace, cx) =
7087            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
7088        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
7089
7090        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
7091        let connection_store =
7092            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
7093
7094        // StubAgentConnection defaults to supports_close_session() -> false
7095        let conversation_view = cx.update(|window, cx| {
7096            cx.new(|cx| {
7097                ConversationView::new(
7098                    Rc::new(StubAgentServer::default_response()),
7099                    connection_store,
7100                    Agent::Custom { id: "Test".into() },
7101                    None,
7102                    None,
7103                    None,
7104                    None,
7105                    None,
7106                    workspace.downgrade(),
7107                    project,
7108                    Some(thread_store),
7109                    None,
7110                    "agent_panel",
7111                    window,
7112                    cx,
7113                )
7114            })
7115        });
7116
7117        cx.run_until_parked();
7118
7119        conversation_view.read_with(cx, |view, _cx| {
7120            let connected = view.as_connected().expect("Should be connected");
7121            assert!(
7122                !connected.threads.is_empty(),
7123                "There should be at least one thread"
7124            );
7125            assert!(
7126                !connected.connection.supports_close_session(),
7127                "StubAgentConnection should not support close"
7128            );
7129        });
7130
7131        conversation_view
7132            .update(cx, |view, cx| {
7133                view.as_connected()
7134                    .expect("Should be connected")
7135                    .close_all_sessions(cx)
7136            })
7137            .await;
7138    }
7139
7140    #[gpui::test]
7141    async fn test_close_all_sessions_calls_close_when_supported(cx: &mut TestAppContext) {
7142        init_test(cx);
7143
7144        let (conversation_view, cx) =
7145            setup_conversation_view(StubAgentServer::new(CloseCapableConnection::new()), cx).await;
7146
7147        cx.run_until_parked();
7148
7149        let close_capable = conversation_view.read_with(cx, |view, _cx| {
7150            let connected = view.as_connected().expect("Should be connected");
7151            assert!(
7152                !connected.threads.is_empty(),
7153                "There should be at least one thread"
7154            );
7155            assert!(
7156                connected.connection.supports_close_session(),
7157                "CloseCapableConnection should support close"
7158            );
7159            connected
7160                .connection
7161                .clone()
7162                .into_any()
7163                .downcast::<CloseCapableConnection>()
7164                .expect("Should be CloseCapableConnection")
7165        });
7166
7167        conversation_view
7168            .update(cx, |view, cx| {
7169                view.as_connected()
7170                    .expect("Should be connected")
7171                    .close_all_sessions(cx)
7172            })
7173            .await;
7174
7175        let closed_count = close_capable.closed_sessions.lock().len();
7176        assert!(
7177            closed_count > 0,
7178            "close_session should have been called for each thread"
7179        );
7180    }
7181
7182    #[gpui::test]
7183    async fn test_close_session_returns_error_when_unsupported(cx: &mut TestAppContext) {
7184        init_test(cx);
7185
7186        let (conversation_view, cx) =
7187            setup_conversation_view(StubAgentServer::default_response(), cx).await;
7188
7189        cx.run_until_parked();
7190
7191        let result = conversation_view
7192            .update(cx, |view, cx| {
7193                let connected = view.as_connected().expect("Should be connected");
7194                assert!(
7195                    !connected.connection.supports_close_session(),
7196                    "StubAgentConnection should not support close"
7197                );
7198                let thread_view = connected
7199                    .threads
7200                    .values()
7201                    .next()
7202                    .expect("Should have at least one thread");
7203                let session_id = thread_view.read(cx).thread.read(cx).session_id().clone();
7204                connected.connection.clone().close_session(&session_id, cx)
7205            })
7206            .await;
7207
7208        assert!(
7209            result.is_err(),
7210            "close_session should return an error when close is not supported"
7211        );
7212        assert!(
7213            result.unwrap_err().to_string().contains("not supported"),
7214            "Error message should indicate that closing is not supported"
7215        );
7216    }
7217
7218    #[derive(Clone)]
7219    struct CloseCapableConnection {
7220        closed_sessions: Arc<Mutex<Vec<acp::SessionId>>>,
7221    }
7222
7223    impl CloseCapableConnection {
7224        fn new() -> Self {
7225            Self {
7226                closed_sessions: Arc::new(Mutex::new(Vec::new())),
7227            }
7228        }
7229    }
7230
7231    impl AgentConnection for CloseCapableConnection {
7232        fn agent_id(&self) -> AgentId {
7233            AgentId::new("close-capable")
7234        }
7235
7236        fn telemetry_id(&self) -> SharedString {
7237            "close-capable".into()
7238        }
7239
7240        fn new_session(
7241            self: Rc<Self>,
7242            project: Entity<Project>,
7243            work_dirs: PathList,
7244            cx: &mut gpui::App,
7245        ) -> Task<gpui::Result<Entity<AcpThread>>> {
7246            let action_log = cx.new(|_| ActionLog::new(project.clone()));
7247            let thread = cx.new(|cx| {
7248                AcpThread::new(
7249                    None,
7250                    Some("CloseCapableConnection".into()),
7251                    Some(work_dirs),
7252                    self,
7253                    project,
7254                    action_log,
7255                    acp::SessionId::new("close-capable-session"),
7256                    watch::Receiver::constant(
7257                        acp::PromptCapabilities::new()
7258                            .image(true)
7259                            .audio(true)
7260                            .embedded_context(true),
7261                    ),
7262                    cx,
7263                )
7264            });
7265            Task::ready(Ok(thread))
7266        }
7267
7268        fn supports_close_session(&self) -> bool {
7269            true
7270        }
7271
7272        fn close_session(
7273            self: Rc<Self>,
7274            session_id: &acp::SessionId,
7275            _cx: &mut App,
7276        ) -> Task<Result<()>> {
7277            self.closed_sessions.lock().push(session_id.clone());
7278            Task::ready(Ok(()))
7279        }
7280
7281        fn auth_methods(&self) -> &[acp::AuthMethod] {
7282            &[]
7283        }
7284
7285        fn authenticate(
7286            &self,
7287            _method_id: acp::AuthMethodId,
7288            _cx: &mut App,
7289        ) -> Task<gpui::Result<()>> {
7290            Task::ready(Ok(()))
7291        }
7292
7293        fn prompt(
7294            &self,
7295            _id: acp_thread::UserMessageId,
7296            _params: acp::PromptRequest,
7297            _cx: &mut App,
7298        ) -> Task<gpui::Result<acp::PromptResponse>> {
7299            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
7300        }
7301
7302        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
7303
7304        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7305            self
7306        }
7307    }
7308}