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 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::AgentFontSize;
  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 super::thread_history::ThreadHistory;
  78use crate::ModeSelector;
  79use crate::ModelSelectorPopover;
  80use crate::agent_connection_store::{
  81    AgentConnectedState, AgentConnectionEntryEvent, AgentConnectionStore,
  82};
  83use crate::agent_diff::AgentDiff;
  84use crate::entry_view_state::{EntryViewEvent, ViewEvent};
  85use crate::message_editor::{MessageEditor, MessageEditorEvent};
  86use crate::profile_selector::{ProfileProvider, ProfileSelector};
  87
  88use crate::thread_metadata_store::ThreadId;
  89use crate::ui::{AgentNotification, AgentNotificationEvent};
  90use crate::{
  91    Agent, AgentDiffPane, AgentInitialContent, AgentPanel, AllowAlways, AllowOnce,
  92    AuthorizeToolCall, ClearMessageQueue, CycleFavoriteModels, CycleModeSelector,
  93    CycleThinkingEffort, EditFirstQueuedMessage, ExpandMessageEditor, Follow, KeepAll, NewThread,
  94    OpenAddContextMenu, OpenAgentDiff, RejectAll, RejectOnce, RemoveFirstQueuedMessage,
  95    ScrollOutputLineDown, ScrollOutputLineUp, ScrollOutputPageDown, ScrollOutputPageUp,
  96    ScrollOutputToBottom, ScrollOutputToNextMessage, ScrollOutputToPreviousMessage,
  97    ScrollOutputToTop, SendImmediately, SendNextQueuedMessage, ToggleFastMode,
  98    ToggleProfileSelector, ToggleThinkingEffortMenu, ToggleThinkingMode, UndoLastReject,
  99};
 100
 101const STOPWATCH_THRESHOLD: Duration = Duration::from_secs(30);
 102const TOKEN_THRESHOLD: u64 = 250;
 103
 104mod thread_view;
 105pub use thread_view::*;
 106
 107pub struct QueuedMessage {
 108    pub content: Vec<acp::ContentBlock>,
 109    pub tracked_buffers: Vec<Entity<Buffer>>,
 110}
 111
 112#[derive(Copy, Clone, Debug, PartialEq, Eq)]
 113enum ThreadFeedback {
 114    Positive,
 115    Negative,
 116}
 117
 118#[derive(Debug)]
 119pub(crate) enum ThreadError {
 120    PaymentRequired,
 121    Refusal,
 122    AuthenticationRequired(SharedString),
 123    RateLimitExceeded {
 124        provider: SharedString,
 125    },
 126    ServerOverloaded {
 127        provider: SharedString,
 128    },
 129    PromptTooLarge,
 130    NoApiKey {
 131        provider: SharedString,
 132    },
 133    StreamError {
 134        provider: SharedString,
 135    },
 136    InvalidApiKey {
 137        provider: SharedString,
 138    },
 139    PermissionDenied {
 140        provider: SharedString,
 141    },
 142    RequestFailed,
 143    MaxOutputTokens,
 144    NoModelSelected,
 145    ApiError {
 146        provider: SharedString,
 147    },
 148    Other {
 149        message: SharedString,
 150        acp_error_code: Option<SharedString>,
 151    },
 152}
 153
 154impl From<anyhow::Error> for ThreadError {
 155    fn from(error: anyhow::Error) -> Self {
 156        if error.is::<MaxOutputTokensError>() {
 157            Self::MaxOutputTokens
 158        } else if error.is::<NoModelConfiguredError>() {
 159            Self::NoModelSelected
 160        } else if error.is::<language_model::PaymentRequiredError>() {
 161            Self::PaymentRequired
 162        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 163            && acp_error.code == acp::ErrorCode::AuthRequired
 164        {
 165            Self::AuthenticationRequired(acp_error.message.clone().into())
 166        } else if let Some(lm_error) = error.downcast_ref::<LanguageModelCompletionError>() {
 167            use LanguageModelCompletionError::*;
 168            match lm_error {
 169                RateLimitExceeded { provider, .. } => Self::RateLimitExceeded {
 170                    provider: provider.to_string().into(),
 171                },
 172                ServerOverloaded { provider, .. } | ApiInternalServerError { provider, .. } => {
 173                    Self::ServerOverloaded {
 174                        provider: provider.to_string().into(),
 175                    }
 176                }
 177                PromptTooLarge { .. } => Self::PromptTooLarge,
 178                NoApiKey { provider } => Self::NoApiKey {
 179                    provider: provider.to_string().into(),
 180                },
 181                StreamEndedUnexpectedly { provider }
 182                | ApiReadResponseError { provider, .. }
 183                | DeserializeResponse { provider, .. }
 184                | HttpSend { provider, .. } => Self::StreamError {
 185                    provider: provider.to_string().into(),
 186                },
 187                AuthenticationError { provider, .. } => Self::InvalidApiKey {
 188                    provider: provider.to_string().into(),
 189                },
 190                PermissionError { provider, .. } => Self::PermissionDenied {
 191                    provider: provider.to_string().into(),
 192                },
 193                UpstreamProviderError { .. } => Self::RequestFailed,
 194                BadRequestFormat { provider, .. }
 195                | HttpResponseError { provider, .. }
 196                | ApiEndpointNotFound { provider } => Self::ApiError {
 197                    provider: provider.to_string().into(),
 198                },
 199                _ => {
 200                    let message: SharedString = format!("{:#}", error).into();
 201                    Self::Other {
 202                        message,
 203                        acp_error_code: None,
 204                    }
 205                }
 206            }
 207        } else {
 208            let message: SharedString = format!("{:#}", error).into();
 209
 210            // Extract ACP error code if available
 211            let acp_error_code = error
 212                .downcast_ref::<acp::Error>()
 213                .map(|acp_error| SharedString::from(acp_error.code.to_string()));
 214
 215            Self::Other {
 216                message,
 217                acp_error_code,
 218            }
 219        }
 220    }
 221}
 222
 223impl ProfileProvider for Entity<agent::Thread> {
 224    fn profile_id(&self, cx: &App) -> AgentProfileId {
 225        self.read(cx).profile().clone()
 226    }
 227
 228    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 229        self.update(cx, |thread, cx| {
 230            // Apply the profile and let the thread swap to its default model.
 231            thread.set_profile(profile_id, cx);
 232        });
 233    }
 234
 235    fn profiles_supported(&self, cx: &App) -> bool {
 236        self.read(cx)
 237            .model()
 238            .is_some_and(|model| model.supports_tools())
 239    }
 240
 241    fn model_selected(&self, cx: &App) -> bool {
 242        self.read(cx).model().is_some()
 243    }
 244}
 245
 246#[derive(Default)]
 247pub(crate) struct Conversation {
 248    threads: HashMap<acp::SessionId, Entity<AcpThread>>,
 249    permission_requests: IndexMap<acp::SessionId, Vec<acp::ToolCallId>>,
 250    subscriptions: Vec<Subscription>,
 251    updated_at: Option<Instant>,
 252}
 253
 254impl Conversation {
 255    pub fn register_thread(&mut self, thread: Entity<AcpThread>, cx: &mut Context<Self>) {
 256        let session_id = thread.read(cx).session_id().clone();
 257        let subscription = cx.subscribe(&thread, {
 258            let session_id = session_id.clone();
 259            move |this, _thread, event, _cx| {
 260                this.updated_at = Some(Instant::now());
 261                match event {
 262                    AcpThreadEvent::ToolAuthorizationRequested(id) => {
 263                        this.permission_requests
 264                            .entry(session_id.clone())
 265                            .or_default()
 266                            .push(id.clone());
 267                    }
 268                    AcpThreadEvent::ToolAuthorizationReceived(id) => {
 269                        if let Some(tool_calls) = this.permission_requests.get_mut(&session_id) {
 270                            tool_calls.retain(|tool_call_id| tool_call_id != id);
 271                            if tool_calls.is_empty() {
 272                                this.permission_requests.shift_remove(&session_id);
 273                            }
 274                        }
 275                    }
 276                    AcpThreadEvent::NewEntry
 277                    | AcpThreadEvent::TitleUpdated
 278                    | AcpThreadEvent::TokenUsageUpdated
 279                    | AcpThreadEvent::EntryUpdated(_)
 280                    | AcpThreadEvent::EntriesRemoved(_)
 281                    | AcpThreadEvent::Retry(_)
 282                    | AcpThreadEvent::SubagentSpawned(_)
 283                    | AcpThreadEvent::Stopped(_)
 284                    | AcpThreadEvent::Error
 285                    | AcpThreadEvent::LoadError(_)
 286                    | AcpThreadEvent::PromptCapabilitiesUpdated
 287                    | AcpThreadEvent::Refusal
 288                    | AcpThreadEvent::AvailableCommandsUpdated(_)
 289                    | AcpThreadEvent::ModeUpdated(_)
 290                    | AcpThreadEvent::ConfigOptionsUpdated(_)
 291                    | AcpThreadEvent::WorkingDirectoriesUpdated
 292                    | AcpThreadEvent::PromptUpdated => {}
 293                }
 294            }
 295        });
 296        self.subscriptions.push(subscription);
 297        self.threads.insert(session_id, thread);
 298    }
 299
 300    pub fn pending_tool_call<'a>(
 301        &'a self,
 302        session_id: &acp::SessionId,
 303        cx: &'a App,
 304    ) -> Option<(acp::SessionId, acp::ToolCallId, &'a PermissionOptions)> {
 305        let thread = self.threads.get(session_id)?;
 306        let is_subagent = thread.read(cx).parent_session_id().is_some();
 307        let (result_session_id, thread, tool_id) = if is_subagent {
 308            let id = self.permission_requests.get(session_id)?.iter().next()?;
 309            (session_id.clone(), thread, id)
 310        } else {
 311            let (id, tool_calls) = self.permission_requests.first()?;
 312            let thread = self.threads.get(id)?;
 313            let tool_id = tool_calls.iter().next()?;
 314            (id.clone(), thread, tool_id)
 315        };
 316        let (_, tool_call) = thread.read(cx).tool_call(tool_id)?;
 317
 318        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
 319            return None;
 320        };
 321        Some((result_session_id, tool_id.clone(), options))
 322    }
 323
 324    pub fn subagents_awaiting_permission(&self, cx: &App) -> Vec<(acp::SessionId, usize)> {
 325        self.permission_requests
 326            .iter()
 327            .filter_map(|(session_id, tool_call_ids)| {
 328                let thread = self.threads.get(session_id)?;
 329                if thread.read(cx).parent_session_id().is_some() && !tool_call_ids.is_empty() {
 330                    Some((session_id.clone(), tool_call_ids.len()))
 331                } else {
 332                    None
 333                }
 334            })
 335            .collect()
 336    }
 337
 338    pub fn authorize_pending_tool_call(
 339        &mut self,
 340        session_id: &acp::SessionId,
 341        kind: acp::PermissionOptionKind,
 342        cx: &mut Context<Self>,
 343    ) -> Option<()> {
 344        let (authorize_session_id, tool_call_id, options) =
 345            self.pending_tool_call(session_id, cx)?;
 346        let option = options.first_option_of_kind(kind)?;
 347        self.authorize_tool_call(
 348            authorize_session_id,
 349            tool_call_id,
 350            SelectedPermissionOutcome::new(option.option_id.clone(), option.kind),
 351            cx,
 352        );
 353        Some(())
 354    }
 355
 356    pub fn authorize_tool_call(
 357        &mut self,
 358        session_id: acp::SessionId,
 359        tool_call_id: acp::ToolCallId,
 360        outcome: SelectedPermissionOutcome,
 361        cx: &mut Context<Self>,
 362    ) {
 363        let Some(thread) = self.threads.get(&session_id) else {
 364            return;
 365        };
 366        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 367        let session_id = thread.read(cx).session_id().clone();
 368
 369        telemetry::event!(
 370            "Agent Tool Call Authorized",
 371            agent = agent_telemetry_id,
 372            session = session_id,
 373            option = outcome.option_kind
 374        );
 375
 376        thread.update(cx, |thread, cx| {
 377            thread.authorize_tool_call(tool_call_id, outcome, cx);
 378        });
 379        cx.notify();
 380    }
 381
 382    fn set_work_dirs(&mut self, work_dirs: PathList, cx: &mut Context<Self>) {
 383        for thread in self.threads.values() {
 384            thread.update(cx, |thread, cx| {
 385                thread.set_work_dirs(work_dirs.clone(), cx);
 386            });
 387        }
 388    }
 389}
 390
 391pub(crate) struct RootThreadUpdated;
 392
 393impl EventEmitter<RootThreadUpdated> for ConversationView {}
 394
 395fn affects_thread_metadata(event: &AcpThreadEvent) -> bool {
 396    match event {
 397        AcpThreadEvent::NewEntry
 398        | AcpThreadEvent::TitleUpdated
 399        | AcpThreadEvent::EntryUpdated(_)
 400        | AcpThreadEvent::EntriesRemoved(_)
 401        | AcpThreadEvent::ToolAuthorizationRequested(_)
 402        | AcpThreadEvent::ToolAuthorizationReceived(_)
 403        | AcpThreadEvent::Retry(_)
 404        | AcpThreadEvent::Stopped(_)
 405        | AcpThreadEvent::Error
 406        | AcpThreadEvent::LoadError(_)
 407        | AcpThreadEvent::Refusal
 408        | AcpThreadEvent::WorkingDirectoriesUpdated => true,
 409        // --
 410        AcpThreadEvent::TokenUsageUpdated
 411        | AcpThreadEvent::PromptCapabilitiesUpdated
 412        | AcpThreadEvent::AvailableCommandsUpdated(_)
 413        | AcpThreadEvent::ModeUpdated(_)
 414        | AcpThreadEvent::ConfigOptionsUpdated(_)
 415        | AcpThreadEvent::SubagentSpawned(_)
 416        | AcpThreadEvent::PromptUpdated => false,
 417    }
 418}
 419
 420pub enum AcpServerViewEvent {
 421    ActiveThreadChanged,
 422}
 423
 424impl EventEmitter<AcpServerViewEvent> for ConversationView {}
 425
 426pub struct ConversationView {
 427    agent: Rc<dyn AgentServer>,
 428    connection_store: Entity<AgentConnectionStore>,
 429    connection_key: Agent,
 430    agent_server_store: Entity<AgentServerStore>,
 431    workspace: WeakEntity<Workspace>,
 432    project: Entity<Project>,
 433    thread_store: Option<Entity<ThreadStore>>,
 434    prompt_store: Option<Entity<PromptStore>>,
 435    pub(crate) thread_id: ThreadId,
 436    root_session_id: Option<acp::SessionId>,
 437    server_state: ServerState,
 438    focus_handle: FocusHandle,
 439    notifications: Vec<WindowHandle<AgentNotification>>,
 440    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 441    auth_task: Option<Task<()>>,
 442    _subscriptions: Vec<Subscription>,
 443}
 444
 445impl ConversationView {
 446    pub fn has_auth_methods(&self) -> bool {
 447        self.as_connected().map_or(false, |connected| {
 448            !connected.connection.auth_methods().is_empty()
 449        })
 450    }
 451
 452    pub fn active_thread(&self) -> Option<&Entity<ThreadView>> {
 453        match &self.server_state {
 454            ServerState::Connected(connected) => connected.active_view(),
 455            _ => None,
 456        }
 457    }
 458
 459    pub fn pending_tool_call<'a>(
 460        &'a self,
 461        cx: &'a App,
 462    ) -> Option<(acp::SessionId, acp::ToolCallId, &'a PermissionOptions)> {
 463        let session_id = self
 464            .active_thread()?
 465            .read(cx)
 466            .thread
 467            .read(cx)
 468            .session_id()
 469            .clone();
 470        self.as_connected()?
 471            .conversation
 472            .read(cx)
 473            .pending_tool_call(&session_id, cx)
 474    }
 475
 476    pub fn root_thread_has_pending_tool_call(&self, cx: &App) -> bool {
 477        let Some(root_thread) = self.root_thread(cx) else {
 478            return false;
 479        };
 480        let root_session_id = root_thread.read(cx).thread.read(cx).session_id().clone();
 481        self.as_connected().is_some_and(|connected| {
 482            connected
 483                .conversation
 484                .read(cx)
 485                .pending_tool_call(&root_session_id, cx)
 486                .is_some()
 487        })
 488    }
 489
 490    pub fn root_thread(&self, cx: &App) -> Option<Entity<ThreadView>> {
 491        match &self.server_state {
 492            ServerState::Connected(connected) => {
 493                let mut current = connected.active_view()?;
 494                while let Some(parent_session_id) =
 495                    current.read(cx).thread.read(cx).parent_session_id()
 496                {
 497                    if let Some(parent) = connected.threads.get(parent_session_id) {
 498                        current = parent;
 499                    } else {
 500                        break;
 501                    }
 502                }
 503                Some(current.clone())
 504            }
 505            _ => None,
 506        }
 507    }
 508
 509    pub(crate) fn root_acp_thread(&self, cx: &App) -> Option<Entity<AcpThread>> {
 510        let connected = self.as_connected()?;
 511        let root_session_id = self.root_session_id.as_ref()?;
 512        connected
 513            .conversation
 514            .read(cx)
 515            .threads
 516            .get(root_session_id)
 517            .cloned()
 518    }
 519
 520    pub fn root_thread_view(&self, cx: &App) -> Option<Entity<ThreadView>> {
 521        self.root_session_id
 522            .as_ref()
 523            .and_then(|sid| self.thread_view(sid, cx))
 524    }
 525
 526    pub fn thread_view(
 527        &self,
 528        session_id: &acp::SessionId,
 529        _cx: &App,
 530    ) -> Option<Entity<ThreadView>> {
 531        let connected = self.as_connected()?;
 532        connected.threads.get(session_id).cloned()
 533    }
 534
 535    pub fn as_connected(&self) -> Option<&ConnectedServerState> {
 536        match &self.server_state {
 537            ServerState::Connected(connected) => Some(connected),
 538            _ => None,
 539        }
 540    }
 541
 542    pub fn as_connected_mut(&mut self) -> Option<&mut ConnectedServerState> {
 543        match &mut self.server_state {
 544            ServerState::Connected(connected) => Some(connected),
 545            _ => None,
 546        }
 547    }
 548
 549    pub fn updated_at(&self, cx: &App) -> Option<Instant> {
 550        self.as_connected()
 551            .and_then(|connected| connected.conversation.read(cx).updated_at)
 552    }
 553
 554    pub fn navigate_to_thread(
 555        &mut self,
 556        session_id: acp::SessionId,
 557        window: &mut Window,
 558        cx: &mut Context<Self>,
 559    ) {
 560        let Some(connected) = self.as_connected_mut() else {
 561            return;
 562        };
 563
 564        connected.navigate_to_thread(session_id);
 565        if let Some(view) = self.active_thread() {
 566            view.focus_handle(cx).focus(window, cx);
 567        }
 568        cx.emit(AcpServerViewEvent::ActiveThreadChanged);
 569        cx.notify();
 570    }
 571
 572    pub fn set_work_dirs(&mut self, work_dirs: PathList, cx: &mut Context<Self>) {
 573        if let Some(connected) = self.as_connected() {
 574            connected.conversation.update(cx, |conversation, cx| {
 575                conversation.set_work_dirs(work_dirs.clone(), cx);
 576            });
 577        }
 578    }
 579}
 580
 581enum ServerState {
 582    Loading { _loading: Entity<LoadingView> },
 583    LoadError { error: LoadError },
 584    Connected(ConnectedServerState),
 585}
 586
 587// current -> Entity
 588// hashmap of threads, current becomes session_id
 589pub struct ConnectedServerState {
 590    auth_state: AuthState,
 591    active_id: Option<acp::SessionId>,
 592    pub(crate) threads: HashMap<acp::SessionId, Entity<ThreadView>>,
 593    connection: Rc<dyn AgentConnection>,
 594    history: Option<Entity<ThreadHistory>>,
 595    conversation: Entity<Conversation>,
 596    _connection_entry_subscription: Subscription,
 597}
 598
 599enum AuthState {
 600    Ok,
 601    Unauthenticated {
 602        description: Option<Entity<Markdown>>,
 603        configuration_view: Option<AnyView>,
 604        pending_auth_method: Option<acp::AuthMethodId>,
 605        _subscription: Option<Subscription>,
 606    },
 607}
 608
 609impl AuthState {
 610    pub fn is_ok(&self) -> bool {
 611        matches!(self, Self::Ok)
 612    }
 613}
 614
 615struct LoadingView {
 616    _load_task: Task<()>,
 617}
 618
 619impl ConnectedServerState {
 620    pub fn active_view(&self) -> Option<&Entity<ThreadView>> {
 621        self.active_id.as_ref().and_then(|id| self.threads.get(id))
 622    }
 623
 624    pub fn has_thread_error(&self, cx: &App) -> bool {
 625        self.active_view()
 626            .map_or(false, |view| view.read(cx).thread_error.is_some())
 627    }
 628
 629    pub fn navigate_to_thread(&mut self, session_id: acp::SessionId) {
 630        if self.threads.contains_key(&session_id) {
 631            self.active_id = Some(session_id);
 632        }
 633    }
 634
 635    pub fn close_all_sessions(&self, cx: &mut App) -> Task<()> {
 636        let tasks = self.threads.values().filter_map(|view| {
 637            if self.connection.supports_close_session() {
 638                let session_id = view.read(cx).thread.read(cx).session_id().clone();
 639                Some(self.connection.clone().close_session(&session_id, cx))
 640            } else {
 641                None
 642            }
 643        });
 644        let task = futures::future::join_all(tasks);
 645        cx.background_spawn(async move {
 646            task.await;
 647        })
 648    }
 649}
 650
 651impl ConversationView {
 652    pub fn new(
 653        agent: Rc<dyn AgentServer>,
 654        connection_store: Entity<AgentConnectionStore>,
 655        connection_key: Agent,
 656        resume_session_id: Option<acp::SessionId>,
 657        thread_id: Option<ThreadId>,
 658        work_dirs: Option<PathList>,
 659        title: Option<SharedString>,
 660        initial_content: Option<AgentInitialContent>,
 661        workspace: WeakEntity<Workspace>,
 662        project: Entity<Project>,
 663        thread_store: Option<Entity<ThreadStore>>,
 664        prompt_store: Option<Entity<PromptStore>>,
 665        source: &'static str,
 666        window: &mut Window,
 667        cx: &mut Context<Self>,
 668    ) -> Self {
 669        let agent_server_store = project.read(cx).agent_server_store().clone();
 670        let subscriptions = vec![
 671            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 672            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 673            cx.subscribe_in(
 674                &agent_server_store,
 675                window,
 676                Self::handle_agent_servers_updated,
 677            ),
 678        ];
 679
 680        cx.on_release(|this, cx| {
 681            if let Some(connected) = this.as_connected() {
 682                connected.close_all_sessions(cx).detach();
 683            }
 684            for window in this.notifications.drain(..) {
 685                window
 686                    .update(cx, |_, window, _| {
 687                        window.remove_window();
 688                    })
 689                    .ok();
 690            }
 691        })
 692        .detach();
 693
 694        let thread_id = thread_id.unwrap_or_else(ThreadId::new);
 695
 696        Self {
 697            agent: agent.clone(),
 698            connection_store: connection_store.clone(),
 699            connection_key: connection_key.clone(),
 700            agent_server_store,
 701            workspace,
 702            project: project.clone(),
 703            thread_store,
 704            prompt_store,
 705            thread_id,
 706            root_session_id: None,
 707            server_state: Self::initial_state(
 708                agent.clone(),
 709                connection_store,
 710                connection_key,
 711                resume_session_id,
 712                work_dirs,
 713                title,
 714                project,
 715                initial_content,
 716                source,
 717                window,
 718                cx,
 719            ),
 720            notifications: Vec::new(),
 721            notification_subscriptions: HashMap::default(),
 722            auth_task: None,
 723            _subscriptions: subscriptions,
 724            focus_handle: cx.focus_handle(),
 725        }
 726    }
 727
 728    fn set_server_state(&mut self, state: ServerState, cx: &mut Context<Self>) {
 729        if let Some(connected) = self.as_connected() {
 730            connected.close_all_sessions(cx).detach();
 731        }
 732
 733        self.server_state = state;
 734        cx.emit(AcpServerViewEvent::ActiveThreadChanged);
 735        cx.notify();
 736    }
 737
 738    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 739        let (resume_session_id, cwd, title) = self
 740            .active_thread()
 741            .map(|thread_view| {
 742                let tv = thread_view.read(cx);
 743                let thread = tv.thread.read(cx);
 744                (
 745                    Some(thread.session_id().clone()),
 746                    thread.work_dirs().cloned(),
 747                    thread.title(),
 748                )
 749            })
 750            .unwrap_or((None, None, None));
 751
 752        let state = Self::initial_state(
 753            self.agent.clone(),
 754            self.connection_store.clone(),
 755            self.connection_key.clone(),
 756            resume_session_id,
 757            cwd,
 758            title,
 759            self.project.clone(),
 760            None,
 761            "agent_panel",
 762            window,
 763            cx,
 764        );
 765        self.set_server_state(state, cx);
 766
 767        if let Some(view) = self.active_thread() {
 768            view.update(cx, |this, cx| {
 769                this.message_editor.update(cx, |editor, cx| {
 770                    editor.set_session_capabilities(this.session_capabilities.clone(), cx);
 771                });
 772            });
 773        }
 774        cx.notify();
 775    }
 776
 777    fn initial_state(
 778        agent: Rc<dyn AgentServer>,
 779        connection_store: Entity<AgentConnectionStore>,
 780        connection_key: Agent,
 781        resume_session_id: Option<acp::SessionId>,
 782        work_dirs: Option<PathList>,
 783        title: Option<SharedString>,
 784        project: Entity<Project>,
 785        initial_content: Option<AgentInitialContent>,
 786        source: &'static str,
 787        window: &mut Window,
 788        cx: &mut Context<Self>,
 789    ) -> ServerState {
 790        if project.read(cx).is_via_collab()
 791            && agent.clone().downcast::<NativeAgentServer>().is_none()
 792        {
 793            return ServerState::LoadError {
 794                error: LoadError::Other(
 795                    "External agents are not yet supported in shared projects.".into(),
 796                ),
 797            };
 798        }
 799        let session_work_dirs = work_dirs.unwrap_or_else(|| project.read(cx).default_path_list(cx));
 800
 801        let connection_entry = connection_store.update(cx, |store, cx| {
 802            store.request_connection(connection_key, agent.clone(), cx)
 803        });
 804
 805        let connection_entry_subscription =
 806            cx.subscribe(&connection_entry, |this, _entry, event, cx| match event {
 807                AgentConnectionEntryEvent::NewVersionAvailable(version) => {
 808                    if let Some(thread) = this.active_thread() {
 809                        thread.update(cx, |thread, cx| {
 810                            thread.new_server_version_available = Some(version.clone());
 811                            cx.notify();
 812                        });
 813                    }
 814                }
 815            });
 816
 817        let connect_result = connection_entry.read(cx).wait_for_connection();
 818
 819        let side = match AgentSettings::get_global(cx).sidebar_side() {
 820            SidebarSide::Left => "left",
 821            SidebarSide::Right => "right",
 822        };
 823        let thread_location = match AgentSettings::get_global(cx).new_thread_location {
 824            NewThreadLocation::LocalProject => "current_worktree",
 825            NewThreadLocation::NewWorktree => "new_worktree",
 826        };
 827
 828        let load_task = cx.spawn_in(window, async move |this, cx| {
 829            let (connection, history) = match connect_result.await {
 830                Ok(AgentConnectedState {
 831                    connection,
 832                    history,
 833                }) => (connection, history),
 834                Err(err) => {
 835                    this.update_in(cx, |this, window, cx| {
 836                        this.handle_load_error(err, window, cx);
 837                        cx.notify();
 838                    })
 839                    .log_err();
 840                    return;
 841                }
 842            };
 843
 844            telemetry::event!(
 845                "Agent Thread Started",
 846                agent = connection.telemetry_id(),
 847                source = source,
 848                side = side,
 849                thread_location = thread_location
 850            );
 851
 852            let mut resumed_without_history = false;
 853            let result = if let Some(session_id) = resume_session_id.clone() {
 854                cx.update(|_, cx| {
 855                    if connection.supports_load_session() {
 856                        connection.clone().load_session(
 857                            session_id,
 858                            project.clone(),
 859                            session_work_dirs,
 860                            title,
 861                            cx,
 862                        )
 863                    } else if connection.supports_resume_session() {
 864                        resumed_without_history = true;
 865                        connection.clone().resume_session(
 866                            session_id,
 867                            project.clone(),
 868                            session_work_dirs,
 869                            title,
 870                            cx,
 871                        )
 872                    } else {
 873                        Task::ready(Err(anyhow!(LoadError::Other(
 874                            "Loading or resuming sessions is not supported by this agent.".into()
 875                        ))))
 876                    }
 877                })
 878                .log_err()
 879            } else {
 880                cx.update(|_, cx| {
 881                    connection
 882                        .clone()
 883                        .new_session(project.clone(), session_work_dirs, cx)
 884                })
 885                .log_err()
 886            };
 887
 888            let Some(result) = result else {
 889                return;
 890            };
 891
 892            let result = match result.await {
 893                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 894                    Ok(err) => {
 895                        cx.update(|window, cx| {
 896                            Self::handle_auth_required(
 897                                this,
 898                                err,
 899                                agent.agent_id(),
 900                                connection,
 901                                window,
 902                                cx,
 903                            )
 904                        })
 905                        .log_err();
 906                        return;
 907                    }
 908                    Err(err) => Err(err),
 909                },
 910                Ok(thread) => Ok(thread),
 911            };
 912
 913            this.update_in(cx, |this, window, cx| {
 914                match result {
 915                    Ok(thread) => {
 916                        let root_session_id = thread.read(cx).session_id().clone();
 917
 918                        let conversation = cx.new(|cx| {
 919                            let mut conversation = Conversation::default();
 920                            conversation.register_thread(thread.clone(), cx);
 921                            conversation
 922                        });
 923
 924                        let current = this.new_thread_view(
 925                            thread,
 926                            conversation.clone(),
 927                            resumed_without_history,
 928                            initial_content,
 929                            history.clone(),
 930                            window,
 931                            cx,
 932                        );
 933
 934                        if this.focus_handle.contains_focused(window, cx) {
 935                            current
 936                                .read(cx)
 937                                .message_editor
 938                                .focus_handle(cx)
 939                                .focus(window, cx);
 940                        }
 941
 942                        this.root_session_id = Some(root_session_id.clone());
 943                        this.set_server_state(
 944                            ServerState::Connected(ConnectedServerState {
 945                                connection,
 946                                auth_state: AuthState::Ok,
 947                                active_id: Some(root_session_id.clone()),
 948                                threads: HashMap::from_iter([(root_session_id, current)]),
 949                                conversation,
 950                                history,
 951                                _connection_entry_subscription: connection_entry_subscription,
 952                            }),
 953                            cx,
 954                        );
 955                    }
 956                    Err(err) => {
 957                        this.handle_load_error(
 958                            LoadError::Other(err.to_string().into()),
 959                            window,
 960                            cx,
 961                        );
 962                    }
 963                };
 964            })
 965            .log_err();
 966        });
 967
 968        let loading_view = cx.new(|_cx| LoadingView {
 969            _load_task: load_task,
 970        });
 971
 972        ServerState::Loading {
 973            _loading: loading_view,
 974        }
 975    }
 976
 977    fn new_thread_view(
 978        &self,
 979        thread: Entity<AcpThread>,
 980        conversation: Entity<Conversation>,
 981        resumed_without_history: bool,
 982        initial_content: Option<AgentInitialContent>,
 983        history: Option<Entity<ThreadHistory>>,
 984        window: &mut Window,
 985        cx: &mut Context<Self>,
 986    ) -> Entity<ThreadView> {
 987        let agent_id = self.agent.agent_id();
 988        let session_capabilities = Arc::new(RwLock::new(SessionCapabilities::new(
 989            thread.read(cx).prompt_capabilities(),
 990            thread.read(cx).available_commands().to_vec(),
 991        )));
 992
 993        let action_log = thread.read(cx).action_log().clone();
 994
 995        let entry_view_state = cx.new(|_| {
 996            EntryViewState::new(
 997                self.workspace.clone(),
 998                self.project.downgrade(),
 999                self.thread_store.clone(),
1000                history.as_ref().map(|h| h.downgrade()),
1001                self.prompt_store.clone(),
1002                session_capabilities.clone(),
1003                self.agent.agent_id(),
1004            )
1005        });
1006
1007        let count = thread.read(cx).entries().len();
1008        let list_state = ListState::new(0, gpui::ListAlignment::Top, px(2048.0));
1009        list_state.set_follow_mode(gpui::FollowMode::Tail);
1010
1011        entry_view_state.update(cx, |view_state, cx| {
1012            for ix in 0..count {
1013                view_state.sync_entry(ix, &thread, window, cx);
1014            }
1015            list_state.splice_focusable(
1016                0..0,
1017                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
1018            );
1019        });
1020
1021        if let Some(scroll_position) = thread.read(cx).ui_scroll_position() {
1022            list_state.scroll_to(scroll_position);
1023        } else {
1024            list_state.scroll_to_end();
1025        }
1026
1027        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
1028
1029        let connection = thread.read(cx).connection().clone();
1030        let session_id = thread.read(cx).session_id().clone();
1031
1032        // Check for config options first
1033        // Config options take precedence over legacy mode/model selectors
1034        // (feature flag gating happens at the data layer)
1035        let config_options_provider = connection.session_config_options(&session_id, cx);
1036
1037        let config_options_view;
1038        let mode_selector;
1039        let model_selector;
1040        if let Some(config_options) = config_options_provider {
1041            // Use config options - don't create mode_selector or model_selector
1042            let agent_server = self.agent.clone();
1043            let fs = self.project.read(cx).fs().clone();
1044            config_options_view =
1045                Some(cx.new(|cx| {
1046                    ConfigOptionsView::new(config_options, agent_server, fs, window, cx)
1047                }));
1048            model_selector = None;
1049            mode_selector = None;
1050        } else {
1051            // Fall back to legacy mode/model selectors
1052            config_options_view = None;
1053            model_selector = connection.model_selector(&session_id).map(|selector| {
1054                let agent_server = self.agent.clone();
1055                let fs = self.project.read(cx).fs().clone();
1056                cx.new(|cx| {
1057                    ModelSelectorPopover::new(
1058                        selector,
1059                        agent_server,
1060                        fs,
1061                        PopoverMenuHandle::default(),
1062                        self.focus_handle(cx),
1063                        window,
1064                        cx,
1065                    )
1066                })
1067            });
1068
1069            mode_selector = connection
1070                .session_modes(&session_id, cx)
1071                .map(|session_modes| {
1072                    let fs = self.project.read(cx).fs().clone();
1073                    cx.new(|_cx| ModeSelector::new(session_modes, self.agent.clone(), fs))
1074                });
1075        }
1076
1077        let subscriptions = vec![
1078            cx.subscribe_in(&thread, window, Self::handle_thread_event),
1079            cx.observe(&action_log, |_, _, cx| cx.notify()),
1080        ];
1081
1082        let subagent_sessions = thread
1083            .read(cx)
1084            .entries()
1085            .iter()
1086            .filter_map(|entry| match entry {
1087                AgentThreadEntry::ToolCall(call) => call
1088                    .subagent_session_info
1089                    .as_ref()
1090                    .map(|i| i.session_id.clone()),
1091                _ => None,
1092            })
1093            .collect::<Vec<_>>();
1094
1095        if !subagent_sessions.is_empty() {
1096            let parent_session_id = thread.read(cx).session_id().clone();
1097            cx.spawn_in(window, async move |this, cx| {
1098                this.update_in(cx, |this, window, cx| {
1099                    for subagent_id in subagent_sessions {
1100                        this.load_subagent_session(
1101                            subagent_id,
1102                            parent_session_id.clone(),
1103                            window,
1104                            cx,
1105                        );
1106                    }
1107                })
1108            })
1109            .detach();
1110        }
1111
1112        let profile_selector: Option<Rc<agent::NativeAgentConnection>> =
1113            connection.clone().downcast();
1114        let profile_selector = profile_selector
1115            .and_then(|native_connection| native_connection.thread(&session_id, cx))
1116            .map(|native_thread| {
1117                cx.new(|cx| {
1118                    ProfileSelector::new(
1119                        <dyn Fs>::global(cx),
1120                        Arc::new(native_thread),
1121                        self.focus_handle(cx),
1122                        cx,
1123                    )
1124                })
1125            });
1126
1127        let agent_display_name = self
1128            .agent_server_store
1129            .read(cx)
1130            .agent_display_name(&agent_id.clone())
1131            .unwrap_or_else(|| agent_id.0.clone());
1132
1133        let agent_icon = self.agent.logo();
1134        let agent_icon_from_external_svg = self
1135            .agent_server_store
1136            .read(cx)
1137            .agent_icon(&self.agent.agent_id())
1138            .or_else(|| {
1139                project::AgentRegistryStore::try_global(cx).and_then(|store| {
1140                    store
1141                        .read(cx)
1142                        .agent(&self.agent.agent_id())
1143                        .and_then(|a| a.icon_path().cloned())
1144                })
1145            });
1146
1147        let weak = cx.weak_entity();
1148        cx.new(|cx| {
1149            ThreadView::new(
1150                thread,
1151                conversation,
1152                weak,
1153                agent_icon,
1154                agent_icon_from_external_svg,
1155                agent_id,
1156                agent_display_name,
1157                self.workspace.clone(),
1158                entry_view_state,
1159                config_options_view,
1160                mode_selector,
1161                model_selector,
1162                profile_selector,
1163                list_state,
1164                session_capabilities,
1165                resumed_without_history,
1166                self.project.downgrade(),
1167                self.thread_store.clone(),
1168                history,
1169                self.prompt_store.clone(),
1170                initial_content,
1171                subscriptions,
1172                window,
1173                cx,
1174            )
1175        })
1176    }
1177
1178    fn handle_auth_required(
1179        this: WeakEntity<Self>,
1180        err: AuthRequired,
1181        agent_id: AgentId,
1182        connection: Rc<dyn AgentConnection>,
1183        window: &mut Window,
1184        cx: &mut App,
1185    ) {
1186        let (configuration_view, subscription) = if let Some(provider_id) = &err.provider_id {
1187            let registry = LanguageModelRegistry::global(cx);
1188
1189            let sub = window.subscribe(&registry, cx, {
1190                let provider_id = provider_id.clone();
1191                let this = this.clone();
1192                move |_, ev, window, cx| {
1193                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
1194                        && &provider_id == updated_provider_id
1195                        && LanguageModelRegistry::global(cx)
1196                            .read(cx)
1197                            .provider(&provider_id)
1198                            .map_or(false, |provider| provider.is_authenticated(cx))
1199                    {
1200                        this.update(cx, |this, cx| {
1201                            this.reset(window, cx);
1202                        })
1203                        .ok();
1204                    }
1205                }
1206            });
1207
1208            let view = registry.read(cx).provider(&provider_id).map(|provider| {
1209                provider.configuration_view(
1210                    language_model::ConfigurationViewTargetAgent::Other(agent_id.0),
1211                    window,
1212                    cx,
1213                )
1214            });
1215
1216            (view, Some(sub))
1217        } else {
1218            (None, None)
1219        };
1220
1221        this.update(cx, |this, cx| {
1222            let description = err
1223                .description
1224                .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx)));
1225            let auth_state = AuthState::Unauthenticated {
1226                pending_auth_method: None,
1227                configuration_view,
1228                description,
1229                _subscription: subscription,
1230            };
1231            if let Some(connected) = this.as_connected_mut() {
1232                connected.auth_state = auth_state;
1233                if let Some(view) = connected.active_view()
1234                    && view
1235                        .read(cx)
1236                        .message_editor
1237                        .focus_handle(cx)
1238                        .is_focused(window)
1239                {
1240                    this.focus_handle.focus(window, cx)
1241                }
1242            } else {
1243                this.set_server_state(
1244                    ServerState::Connected(ConnectedServerState {
1245                        auth_state,
1246                        active_id: None,
1247                        threads: HashMap::default(),
1248                        connection,
1249                        conversation: cx.new(|_cx| Conversation::default()),
1250                        history: None,
1251                        _connection_entry_subscription: Subscription::new(|| {}),
1252                    }),
1253                    cx,
1254                );
1255            }
1256            cx.notify();
1257        })
1258        .ok();
1259    }
1260
1261    fn handle_load_error(&mut self, err: LoadError, window: &mut Window, cx: &mut Context<Self>) {
1262        if let Some(view) = self.active_thread() {
1263            if view
1264                .read(cx)
1265                .message_editor
1266                .focus_handle(cx)
1267                .is_focused(window)
1268            {
1269                self.focus_handle.focus(window, cx)
1270            }
1271        }
1272        self.emit_load_error_telemetry(&err);
1273        self.set_server_state(ServerState::LoadError { error: err }, cx);
1274    }
1275
1276    fn handle_agent_servers_updated(
1277        &mut self,
1278        _agent_server_store: &Entity<project::AgentServerStore>,
1279        _event: &project::AgentServersUpdated,
1280        window: &mut Window,
1281        cx: &mut Context<Self>,
1282    ) {
1283        // If we're in a LoadError state OR have a thread_error set (which can happen
1284        // when agent.connect() fails during loading), retry loading the thread.
1285        // This handles the case where a thread is restored before authentication completes.
1286        let should_retry = match &self.server_state {
1287            ServerState::Loading { .. } => false,
1288            ServerState::LoadError { .. } => true,
1289            ServerState::Connected(connected) => {
1290                connected.auth_state.is_ok() && connected.has_thread_error(cx)
1291            }
1292        };
1293
1294        if should_retry {
1295            if let Some(active) = self.active_thread() {
1296                active.update(cx, |active, cx| {
1297                    active.clear_thread_error(cx);
1298                });
1299            }
1300            self.reset(window, cx);
1301        }
1302    }
1303
1304    pub fn workspace(&self) -> &WeakEntity<Workspace> {
1305        &self.workspace
1306    }
1307
1308    pub fn agent_key(&self) -> &Agent {
1309        &self.connection_key
1310    }
1311
1312    pub fn title(&self, cx: &App) -> SharedString {
1313        match &self.server_state {
1314            ServerState::Connected(view) => view
1315                .active_view()
1316                .and_then(|v| v.read(cx).thread.read(cx).title())
1317                .unwrap_or_else(|| DEFAULT_THREAD_TITLE.into()),
1318            ServerState::Loading { .. } => "Loading…".into(),
1319            ServerState::LoadError { error, .. } => match error {
1320                LoadError::Unsupported { .. } => {
1321                    format!("Upgrade {}", self.agent.agent_id()).into()
1322                }
1323                LoadError::FailedToInstall(_) => {
1324                    format!("Failed to Install {}", self.agent.agent_id()).into()
1325                }
1326                LoadError::Exited { .. } => format!("{} Exited", self.agent.agent_id()).into(),
1327                LoadError::Other(_) => format!("Error Loading {}", self.agent.agent_id()).into(),
1328            },
1329        }
1330    }
1331
1332    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
1333        if let Some(active) = self.active_thread() {
1334            active.update(cx, |active, cx| {
1335                active.cancel_generation(cx);
1336            });
1337        }
1338    }
1339
1340    pub fn parent_id(&self) -> ThreadId {
1341        self.thread_id
1342    }
1343
1344    pub fn is_loading(&self) -> bool {
1345        matches!(self.server_state, ServerState::Loading { .. })
1346    }
1347
1348    fn update_turn_tokens(&mut self, cx: &mut Context<Self>) {
1349        if let Some(active) = self.active_thread() {
1350            active.update(cx, |active, cx| {
1351                active.update_turn_tokens(cx);
1352            });
1353        }
1354    }
1355
1356    fn send_queued_message_at_index(
1357        &mut self,
1358        index: usize,
1359        is_send_now: bool,
1360        window: &mut Window,
1361        cx: &mut Context<Self>,
1362    ) {
1363        if let Some(active) = self.active_thread() {
1364            active.update(cx, |active, cx| {
1365                active.send_queued_message_at_index(index, is_send_now, window, cx);
1366            });
1367        }
1368    }
1369
1370    fn move_queued_message_to_main_editor(
1371        &mut self,
1372        index: usize,
1373        inserted_text: Option<&str>,
1374        cursor_offset: Option<usize>,
1375        window: &mut Window,
1376        cx: &mut Context<Self>,
1377    ) {
1378        if let Some(active) = self.active_thread() {
1379            active.update(cx, |active, cx| {
1380                active.move_queued_message_to_main_editor(
1381                    index,
1382                    inserted_text,
1383                    cursor_offset,
1384                    window,
1385                    cx,
1386                );
1387            });
1388        }
1389    }
1390
1391    fn handle_thread_event(
1392        &mut self,
1393        thread: &Entity<AcpThread>,
1394        event: &AcpThreadEvent,
1395        window: &mut Window,
1396        cx: &mut Context<Self>,
1397    ) {
1398        let session_id = thread.read(cx).session_id().clone();
1399        let has_thread = self
1400            .as_connected()
1401            .is_some_and(|connected| connected.threads.contains_key(&session_id));
1402        if !has_thread {
1403            return;
1404        };
1405        let is_subagent = thread.read(cx).parent_session_id().is_some();
1406        if !is_subagent && affects_thread_metadata(event) {
1407            cx.emit(RootThreadUpdated);
1408        }
1409        match event {
1410            AcpThreadEvent::NewEntry => {
1411                let len = thread.read(cx).entries().len();
1412                let index = len - 1;
1413                if let Some(active) = self.thread_view(&session_id, cx) {
1414                    let entry_view_state = active.read(cx).entry_view_state.clone();
1415                    let list_state = active.read(cx).list_state.clone();
1416                    entry_view_state.update(cx, |view_state, cx| {
1417                        view_state.sync_entry(index, thread, window, cx);
1418                        list_state.splice_focusable(
1419                            index..index,
1420                            [view_state
1421                                .entry(index)
1422                                .and_then(|entry| entry.focus_handle(cx))],
1423                        );
1424                    });
1425                    active.update(cx, |active, cx| {
1426                        active.sync_editor_mode_for_empty_state(cx);
1427                    });
1428                }
1429            }
1430            AcpThreadEvent::EntryUpdated(index) => {
1431                if let Some(active) = self.thread_view(&session_id, cx) {
1432                    let entry_view_state = active.read(cx).entry_view_state.clone();
1433                    let list_state = active.read(cx).list_state.clone();
1434                    entry_view_state.update(cx, |view_state, cx| {
1435                        view_state.sync_entry(*index, thread, window, cx);
1436                    });
1437                    list_state.remeasure_items(*index..*index + 1);
1438                    active.update(cx, |active, cx| {
1439                        active.auto_expand_streaming_thought(cx);
1440                    });
1441                }
1442            }
1443            AcpThreadEvent::EntriesRemoved(range) => {
1444                if let Some(active) = self.thread_view(&session_id, cx) {
1445                    let entry_view_state = active.read(cx).entry_view_state.clone();
1446                    let list_state = active.read(cx).list_state.clone();
1447                    entry_view_state.update(cx, |view_state, _cx| view_state.remove(range.clone()));
1448                    list_state.splice(range.clone(), 0);
1449                    active.update(cx, |active, cx| {
1450                        active.sync_editor_mode_for_empty_state(cx);
1451                    });
1452                }
1453            }
1454            AcpThreadEvent::SubagentSpawned(subagent_session_id) => {
1455                self.load_subagent_session(subagent_session_id.clone(), session_id, window, cx)
1456            }
1457            AcpThreadEvent::ToolAuthorizationRequested(_) => {
1458                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1459            }
1460            AcpThreadEvent::ToolAuthorizationReceived(_) => {}
1461            AcpThreadEvent::Retry(retry) => {
1462                if let Some(active) = self.thread_view(&session_id, cx) {
1463                    active.update(cx, |active, _cx| {
1464                        active.thread_retry_status = Some(retry.clone());
1465                    });
1466                }
1467            }
1468            AcpThreadEvent::Stopped(stop_reason) => {
1469                if let Some(active) = self.thread_view(&session_id, cx) {
1470                    let is_generating =
1471                        matches!(thread.read(cx).status(), ThreadStatus::Generating);
1472                    active.update(cx, |active, cx| {
1473                        if !is_generating {
1474                            active.thread_retry_status.take();
1475                            active.clear_auto_expand_tracking();
1476                            if active.list_state.is_following_tail() {
1477                                active.list_state.scroll_to_end();
1478                            }
1479                        }
1480                        active.sync_generating_indicator(cx);
1481                    });
1482                }
1483                if is_subagent {
1484                    if *stop_reason == acp::StopReason::EndTurn {
1485                        thread.update(cx, |thread, cx| {
1486                            thread.mark_as_subagent_output(cx);
1487                        });
1488                    }
1489                    return;
1490                }
1491
1492                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1493                self.notify_with_sound(
1494                    if used_tools {
1495                        "Finished running tools"
1496                    } else {
1497                        "New message"
1498                    },
1499                    IconName::ZedAssistant,
1500                    window,
1501                    cx,
1502                );
1503
1504                let should_send_queued = if let Some(active) = self.active_thread() {
1505                    active.update(cx, |active, cx| {
1506                        if active.skip_queue_processing_count > 0 {
1507                            active.skip_queue_processing_count -= 1;
1508                            false
1509                        } else if active.user_interrupted_generation {
1510                            // Manual interruption: don't auto-process queue.
1511                            // Reset the flag so future completions can process normally.
1512                            active.user_interrupted_generation = false;
1513                            false
1514                        } else {
1515                            let has_queued = !active.local_queued_messages.is_empty();
1516                            // Don't auto-send if the first message editor is currently focused
1517                            let is_first_editor_focused = active
1518                                .queued_message_editors
1519                                .first()
1520                                .is_some_and(|editor| editor.focus_handle(cx).is_focused(window));
1521                            has_queued && !is_first_editor_focused
1522                        }
1523                    })
1524                } else {
1525                    false
1526                };
1527                if should_send_queued {
1528                    self.send_queued_message_at_index(0, false, window, cx);
1529                }
1530            }
1531            AcpThreadEvent::Refusal => {
1532                let error = ThreadError::Refusal;
1533                if let Some(active) = self.thread_view(&session_id, cx) {
1534                    active.update(cx, |active, cx| {
1535                        active.handle_thread_error(error, cx);
1536                        active.thread_retry_status.take();
1537                    });
1538                }
1539                if !is_subagent {
1540                    let model_or_agent_name = self.current_model_name(cx);
1541                    let notification_message =
1542                        format!("{} refused to respond to this request", model_or_agent_name);
1543                    self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1544                }
1545            }
1546            AcpThreadEvent::Error => {
1547                if let Some(active) = self.thread_view(&session_id, cx) {
1548                    let is_generating =
1549                        matches!(thread.read(cx).status(), ThreadStatus::Generating);
1550                    active.update(cx, |active, cx| {
1551                        if !is_generating {
1552                            active.thread_retry_status.take();
1553                            if active.list_state.is_following_tail() {
1554                                active.list_state.scroll_to_end();
1555                            }
1556                        }
1557                        active.sync_generating_indicator(cx);
1558                    });
1559                }
1560                if !is_subagent {
1561                    self.notify_with_sound(
1562                        "Agent stopped due to an error",
1563                        IconName::Warning,
1564                        window,
1565                        cx,
1566                    );
1567                }
1568            }
1569            AcpThreadEvent::LoadError(error) => {
1570                if let Some(view) = self.active_thread() {
1571                    if view
1572                        .read(cx)
1573                        .message_editor
1574                        .focus_handle(cx)
1575                        .is_focused(window)
1576                    {
1577                        self.focus_handle.focus(window, cx)
1578                    }
1579                }
1580                self.set_server_state(
1581                    ServerState::LoadError {
1582                        error: error.clone(),
1583                    },
1584                    cx,
1585                );
1586            }
1587            AcpThreadEvent::TitleUpdated => {
1588                if let Some(title) = thread.read(cx).title()
1589                    && let Some(active_thread) = self.thread_view(&session_id, cx)
1590                {
1591                    let title_editor = active_thread.read(cx).title_editor.clone();
1592                    title_editor.update(cx, |editor, cx| {
1593                        if editor.text(cx) != title {
1594                            editor.set_text(title, window, cx);
1595                        }
1596                    });
1597                }
1598                cx.notify();
1599            }
1600            AcpThreadEvent::PromptCapabilitiesUpdated => {
1601                if let Some(active) = self.thread_view(&session_id, cx) {
1602                    active.update(cx, |active, _cx| {
1603                        active
1604                            .session_capabilities
1605                            .write()
1606                            .set_prompt_capabilities(thread.read(_cx).prompt_capabilities());
1607                    });
1608                }
1609            }
1610            AcpThreadEvent::TokenUsageUpdated => {
1611                self.update_turn_tokens(cx);
1612                self.emit_token_limit_telemetry_if_needed(thread, cx);
1613            }
1614            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1615                if let Some(thread_view) = self.thread_view(&session_id, cx) {
1616                    let has_commands = !available_commands.is_empty();
1617
1618                    let agent_display_name = self
1619                        .agent_server_store
1620                        .read(cx)
1621                        .agent_display_name(&self.agent.agent_id())
1622                        .unwrap_or_else(|| self.agent.agent_id().0.to_string().into());
1623
1624                    let new_placeholder =
1625                        placeholder_text(agent_display_name.as_ref(), has_commands);
1626
1627                    thread_view.update(cx, |thread_view, cx| {
1628                        thread_view
1629                            .session_capabilities
1630                            .write()
1631                            .set_available_commands(available_commands.clone());
1632                        thread_view.message_editor.update(cx, |editor, cx| {
1633                            editor.set_placeholder_text(&new_placeholder, window, cx);
1634                        });
1635                    });
1636                }
1637            }
1638            AcpThreadEvent::ModeUpdated(_mode) => {
1639                // The connection keeps track of the mode
1640                cx.notify();
1641            }
1642            AcpThreadEvent::ConfigOptionsUpdated(_) => {
1643                // The watch task in ConfigOptionsView handles rebuilding selectors
1644                cx.notify();
1645            }
1646            AcpThreadEvent::WorkingDirectoriesUpdated => {
1647                cx.notify();
1648            }
1649            AcpThreadEvent::PromptUpdated => {
1650                cx.notify();
1651            }
1652        }
1653        cx.notify();
1654    }
1655
1656    fn authenticate(
1657        &mut self,
1658        method: acp::AuthMethodId,
1659        window: &mut Window,
1660        cx: &mut Context<Self>,
1661    ) {
1662        let Some(workspace) = self.workspace.upgrade() else {
1663            return;
1664        };
1665        let Some(connected) = self.as_connected_mut() else {
1666            return;
1667        };
1668        let connection = connected.connection.clone();
1669
1670        let AuthState::Unauthenticated {
1671            configuration_view,
1672            pending_auth_method,
1673            ..
1674        } = &mut connected.auth_state
1675        else {
1676            return;
1677        };
1678
1679        let agent_telemetry_id = connection.telemetry_id();
1680
1681        if let Some(login_task) = connection.terminal_auth_task(&method, cx) {
1682            configuration_view.take();
1683            pending_auth_method.replace(method.clone());
1684
1685            let project = self.project.clone();
1686            cx.notify();
1687            self.auth_task = Some(cx.spawn_in(window, {
1688                async move |this, cx| {
1689                    let result = async {
1690                        let login = login_task.await?;
1691                        this.update_in(cx, |_this, window, cx| {
1692                            Self::spawn_external_agent_login(
1693                                login,
1694                                workspace,
1695                                project,
1696                                method.clone(),
1697                                false,
1698                                window,
1699                                cx,
1700                            )
1701                        })?
1702                        .await
1703                    }
1704                    .await;
1705
1706                    match &result {
1707                        Ok(_) => telemetry::event!(
1708                            "Authenticate Agent Succeeded",
1709                            agent = agent_telemetry_id
1710                        ),
1711                        Err(_) => {
1712                            telemetry::event!(
1713                                "Authenticate Agent Failed",
1714                                agent = agent_telemetry_id,
1715                            )
1716                        }
1717                    }
1718
1719                    this.update_in(cx, |this, window, cx| {
1720                        if let Err(err) = result {
1721                            if let Some(ConnectedServerState {
1722                                auth_state:
1723                                    AuthState::Unauthenticated {
1724                                        pending_auth_method,
1725                                        ..
1726                                    },
1727                                ..
1728                            }) = this.as_connected_mut()
1729                            {
1730                                pending_auth_method.take();
1731                            }
1732                            if let Some(active) = this.active_thread() {
1733                                active.update(cx, |active, cx| {
1734                                    active.handle_thread_error(err, cx);
1735                                })
1736                            }
1737                        } else {
1738                            this.reset(window, cx);
1739                        }
1740                        this.auth_task.take()
1741                    })
1742                    .ok();
1743                }
1744            }));
1745            return;
1746        }
1747
1748        configuration_view.take();
1749        pending_auth_method.replace(method.clone());
1750
1751        let authenticate = connection.authenticate(method, cx);
1752        cx.notify();
1753        self.auth_task = Some(cx.spawn_in(window, {
1754            async move |this, cx| {
1755                let result = authenticate.await;
1756
1757                match &result {
1758                    Ok(_) => telemetry::event!(
1759                        "Authenticate Agent Succeeded",
1760                        agent = agent_telemetry_id
1761                    ),
1762                    Err(_) => {
1763                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
1764                    }
1765                }
1766
1767                this.update_in(cx, |this, window, cx| {
1768                    if let Err(err) = result {
1769                        if let Some(ConnectedServerState {
1770                            auth_state:
1771                                AuthState::Unauthenticated {
1772                                    pending_auth_method,
1773                                    ..
1774                                },
1775                            ..
1776                        }) = this.as_connected_mut()
1777                        {
1778                            pending_auth_method.take();
1779                        }
1780                        if let Some(active) = this.active_thread() {
1781                            active.update(cx, |active, cx| active.handle_thread_error(err, cx));
1782                        }
1783                    } else {
1784                        this.reset(window, cx);
1785                    }
1786                    this.auth_task.take()
1787                })
1788                .ok();
1789            }
1790        }));
1791    }
1792
1793    fn load_subagent_session(
1794        &mut self,
1795        subagent_id: acp::SessionId,
1796        parent_session_id: acp::SessionId,
1797        window: &mut Window,
1798        cx: &mut Context<Self>,
1799    ) {
1800        let Some(connected) = self.as_connected() else {
1801            return;
1802        };
1803        if connected.threads.contains_key(&subagent_id)
1804            || !connected.connection.supports_load_session()
1805        {
1806            return;
1807        }
1808        let Some(parent_thread) = connected.threads.get(&parent_session_id) else {
1809            return;
1810        };
1811        let work_dirs = parent_thread
1812            .read(cx)
1813            .thread
1814            .read(cx)
1815            .work_dirs()
1816            .cloned()
1817            .unwrap_or_else(|| self.project.read(cx).default_path_list(cx));
1818
1819        let subagent_thread_task = connected.connection.clone().load_session(
1820            subagent_id,
1821            self.project.clone(),
1822            work_dirs,
1823            None,
1824            cx,
1825        );
1826
1827        cx.spawn_in(window, async move |this, cx| {
1828            let subagent_thread = subagent_thread_task.await?;
1829            this.update_in(cx, |this, window, cx| {
1830                let Some((conversation, history)) = this
1831                    .as_connected()
1832                    .map(|connected| (connected.conversation.clone(), connected.history.clone()))
1833                else {
1834                    return;
1835                };
1836                let subagent_session_id = subagent_thread.read(cx).session_id().clone();
1837                conversation.update(cx, |conversation, cx| {
1838                    conversation.register_thread(subagent_thread.clone(), cx);
1839                });
1840                let view = this.new_thread_view(
1841                    subagent_thread,
1842                    conversation,
1843                    false,
1844                    None,
1845                    history,
1846                    window,
1847                    cx,
1848                );
1849                let Some(connected) = this.as_connected_mut() else {
1850                    return;
1851                };
1852                connected.threads.insert(subagent_session_id, view);
1853            })
1854        })
1855        .detach();
1856    }
1857
1858    fn spawn_external_agent_login(
1859        login: task::SpawnInTerminal,
1860        workspace: Entity<Workspace>,
1861        project: Entity<Project>,
1862        method: acp::AuthMethodId,
1863        previous_attempt: bool,
1864        window: &mut Window,
1865        cx: &mut App,
1866    ) -> Task<Result<()>> {
1867        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1868            return Task::ready(Err(anyhow!("Terminal panel is unavailable")));
1869        };
1870
1871        window.spawn(cx, async move |cx| {
1872            let mut task = login.clone();
1873            if let Some(cmd) = &task.command {
1874                // Have "node" command use Zed's managed Node runtime by default
1875                if cmd == "node" {
1876                    let resolved_node_runtime = project.update(cx, |project, cx| {
1877                        let agent_server_store = project.agent_server_store().clone();
1878                        agent_server_store.update(cx, |store, cx| {
1879                            store.node_runtime().map(|node_runtime| {
1880                                cx.background_spawn(async move { node_runtime.binary_path().await })
1881                            })
1882                        })
1883                    });
1884
1885                    if let Some(resolve_task) = resolved_node_runtime {
1886                        if let Ok(node_path) = resolve_task.await {
1887                            task.command = Some(node_path.to_string_lossy().to_string());
1888                        }
1889                    }
1890                }
1891            }
1892            task.shell = task::Shell::WithArguments {
1893                program: task.command.take().expect("login command should be set"),
1894                args: std::mem::take(&mut task.args),
1895                title_override: None,
1896            };
1897
1898            let terminal = terminal_panel
1899                .update_in(cx, |terminal_panel, window, cx| {
1900                    terminal_panel.spawn_task(&task, window, cx)
1901                })?
1902                .await?;
1903
1904            let success_patterns = match method.0.as_ref() {
1905                "claude-login" | GEMINI_TERMINAL_AUTH_METHOD_ID => vec![
1906                    "Login successful".to_string(),
1907                    "Type your message".to_string(),
1908                ],
1909                _ => Vec::new(),
1910            };
1911            if success_patterns.is_empty() {
1912                // No success patterns specified: wait for the process to exit and check exit code
1913                let exit_status = terminal
1914                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1915                    .await;
1916
1917                match exit_status {
1918                    Some(status) if status.success() => Ok(()),
1919                    Some(status) => Err(anyhow!(
1920                        "Login command failed with exit code: {:?}",
1921                        status.code()
1922                    )),
1923                    None => Err(anyhow!("Login command terminated without exit status")),
1924                }
1925            } else {
1926                // Look for specific output patterns to detect successful login
1927                let mut exit_status = terminal
1928                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1929                    .fuse();
1930
1931                let logged_in = cx
1932                    .spawn({
1933                        let terminal = terminal.clone();
1934                        async move |cx| {
1935                            loop {
1936                                cx.background_executor().timer(Duration::from_secs(1)).await;
1937                                let content =
1938                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1939                                if success_patterns
1940                                    .iter()
1941                                    .any(|pattern| content.contains(pattern))
1942                                {
1943                                    return anyhow::Ok(());
1944                                }
1945                            }
1946                        }
1947                    })
1948                    .fuse();
1949                futures::pin_mut!(logged_in);
1950                futures::select_biased! {
1951                    result = logged_in => {
1952                        if let Err(e) = result {
1953                            log::error!("{e}");
1954                            return Err(anyhow!("exited before logging in"));
1955                        }
1956                    }
1957                    _ = exit_status => {
1958                        if !previous_attempt
1959                            && project.read_with(cx, |project, _| project.is_via_remote_server())
1960                            && method.0.as_ref() == GEMINI_TERMINAL_AUTH_METHOD_ID
1961                        {
1962                            return cx
1963                                .update(|window, cx| {
1964                                    Self::spawn_external_agent_login(
1965                                        login,
1966                                        workspace,
1967                                        project.clone(),
1968                                        method,
1969                                        true,
1970                                        window,
1971                                        cx,
1972                                    )
1973                                })?
1974                                .await;
1975                        }
1976                        return Err(anyhow!("exited before logging in"));
1977                    }
1978                }
1979                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1980                Ok(())
1981            }
1982        })
1983    }
1984
1985    pub fn has_user_submitted_prompt(&self, cx: &App) -> bool {
1986        self.active_thread().is_some_and(|active| {
1987            active
1988                .read(cx)
1989                .thread
1990                .read(cx)
1991                .entries()
1992                .iter()
1993                .any(|entry| matches!(entry, AgentThreadEntry::UserMessage(_)))
1994        })
1995    }
1996
1997    fn render_auth_required_state(
1998        &self,
1999        connection: &Rc<dyn AgentConnection>,
2000        description: Option<&Entity<Markdown>>,
2001        configuration_view: Option<&AnyView>,
2002        pending_auth_method: Option<&acp::AuthMethodId>,
2003        window: &mut Window,
2004        cx: &Context<Self>,
2005    ) -> impl IntoElement {
2006        let auth_methods = connection.auth_methods();
2007
2008        let agent_display_name = self
2009            .agent_server_store
2010            .read(cx)
2011            .agent_display_name(&self.agent.agent_id())
2012            .unwrap_or_else(|| self.agent.agent_id().0);
2013
2014        let show_fallback_description = auth_methods.len() > 1
2015            && configuration_view.is_none()
2016            && description.is_none()
2017            && pending_auth_method.is_none();
2018
2019        let auth_buttons = || {
2020            h_flex().justify_end().flex_wrap().gap_1().children(
2021                connection
2022                    .auth_methods()
2023                    .iter()
2024                    .enumerate()
2025                    .rev()
2026                    .map(|(ix, method)| {
2027                        let (method_id, name) = (method.id().0.clone(), method.name().to_string());
2028                        let agent_telemetry_id = connection.telemetry_id();
2029
2030                        Button::new(method_id.clone(), name)
2031                            .label_size(LabelSize::Small)
2032                            .map(|this| {
2033                                if ix == 0 {
2034                                    this.style(ButtonStyle::Tinted(TintColor::Accent))
2035                                } else {
2036                                    this.style(ButtonStyle::Outlined)
2037                                }
2038                            })
2039                            .when_some(method.description(), |this, description| {
2040                                this.tooltip(Tooltip::text(description.to_string()))
2041                            })
2042                            .on_click({
2043                                cx.listener(move |this, _, window, cx| {
2044                                    telemetry::event!(
2045                                        "Authenticate Agent Started",
2046                                        agent = agent_telemetry_id,
2047                                        method = method_id
2048                                    );
2049
2050                                    this.authenticate(
2051                                        acp::AuthMethodId::new(method_id.clone()),
2052                                        window,
2053                                        cx,
2054                                    )
2055                                })
2056                            })
2057                    }),
2058            )
2059        };
2060
2061        if pending_auth_method.is_some() {
2062            return Callout::new()
2063                .icon(IconName::Info)
2064                .title(format!("Authenticating to {}", agent_display_name))
2065                .actions_slot(
2066                    Icon::new(IconName::ArrowCircle)
2067                        .size(IconSize::Small)
2068                        .color(Color::Muted)
2069                        .with_rotate_animation(2)
2070                        .into_any_element(),
2071                )
2072                .into_any_element();
2073        }
2074
2075        Callout::new()
2076            .icon(IconName::Info)
2077            .title(format!("Authenticate to {}", agent_display_name))
2078            .when(auth_methods.len() == 1, |this| {
2079                this.actions_slot(auth_buttons())
2080            })
2081            .description_slot(
2082                v_flex()
2083                    .text_ui(cx)
2084                    .map(|this| {
2085                        if show_fallback_description {
2086                            this.child(
2087                                Label::new("Choose one of the following authentication options:")
2088                                    .size(LabelSize::Small)
2089                                    .color(Color::Muted),
2090                            )
2091                        } else {
2092                            this.children(
2093                                configuration_view
2094                                    .cloned()
2095                                    .map(|view| div().w_full().child(view)),
2096                            )
2097                            .children(description.map(|desc| {
2098                                self.render_markdown(
2099                                    desc.clone(),
2100                                    MarkdownStyle::themed(MarkdownFont::Agent, window, cx),
2101                                )
2102                            }))
2103                        }
2104                    })
2105                    .when(auth_methods.len() > 1, |this| {
2106                        this.gap_1().child(auth_buttons())
2107                    }),
2108            )
2109            .into_any_element()
2110    }
2111
2112    fn emit_token_limit_telemetry_if_needed(
2113        &mut self,
2114        thread: &Entity<AcpThread>,
2115        cx: &mut Context<Self>,
2116    ) {
2117        let Some(active_thread) = self.active_thread() else {
2118            return;
2119        };
2120
2121        let (ratio, agent_telemetry_id, session_id) = {
2122            let thread_data = thread.read(cx);
2123            let Some(token_usage) = thread_data.token_usage() else {
2124                return;
2125            };
2126            (
2127                token_usage.ratio(),
2128                thread_data.connection().telemetry_id(),
2129                thread_data.session_id().clone(),
2130            )
2131        };
2132
2133        let kind = match ratio {
2134            acp_thread::TokenUsageRatio::Normal => {
2135                active_thread.update(cx, |active, _cx| {
2136                    active.last_token_limit_telemetry = None;
2137                });
2138                return;
2139            }
2140            acp_thread::TokenUsageRatio::Warning => "warning",
2141            acp_thread::TokenUsageRatio::Exceeded => "exceeded",
2142        };
2143
2144        let should_skip = active_thread
2145            .read(cx)
2146            .last_token_limit_telemetry
2147            .as_ref()
2148            .is_some_and(|last| *last >= ratio);
2149        if should_skip {
2150            return;
2151        }
2152
2153        active_thread.update(cx, |active, _cx| {
2154            active.last_token_limit_telemetry = Some(ratio);
2155        });
2156
2157        telemetry::event!(
2158            "Agent Token Limit Warning",
2159            agent = agent_telemetry_id,
2160            session_id = session_id,
2161            kind = kind,
2162        );
2163    }
2164
2165    fn emit_load_error_telemetry(&self, error: &LoadError) {
2166        let error_kind = match error {
2167            LoadError::Unsupported { .. } => "unsupported",
2168            LoadError::FailedToInstall(_) => "failed_to_install",
2169            LoadError::Exited { .. } => "exited",
2170            LoadError::Other(_) => "other",
2171        };
2172
2173        let agent_name = self.agent.agent_id();
2174
2175        telemetry::event!(
2176            "Agent Panel Error Shown",
2177            agent = agent_name,
2178            kind = error_kind,
2179            message = error.to_string(),
2180        );
2181    }
2182
2183    fn render_load_error(
2184        &self,
2185        e: &LoadError,
2186        window: &mut Window,
2187        cx: &mut Context<Self>,
2188    ) -> AnyElement {
2189        let (title, message, action_slot): (_, SharedString, _) = match e {
2190            LoadError::Unsupported {
2191                command: path,
2192                current_version,
2193                minimum_version,
2194            } => {
2195                return self.render_unsupported(path, current_version, minimum_version, window, cx);
2196            }
2197            LoadError::FailedToInstall(msg) => (
2198                "Failed to Install",
2199                msg.into(),
2200                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2201            ),
2202            LoadError::Exited { status } => (
2203                "Failed to Launch",
2204                format!("Server exited with status {status}").into(),
2205                None,
2206            ),
2207            LoadError::Other(msg) => (
2208                "Failed to Launch",
2209                msg.into(),
2210                Some(self.create_copy_button(msg.to_string()).into_any_element()),
2211            ),
2212        };
2213
2214        Callout::new()
2215            .severity(Severity::Error)
2216            .icon(IconName::XCircleFilled)
2217            .title(title)
2218            .description(message)
2219            .actions_slot(div().children(action_slot))
2220            .into_any_element()
2221    }
2222
2223    fn render_unsupported(
2224        &self,
2225        path: &SharedString,
2226        version: &SharedString,
2227        minimum_version: &SharedString,
2228        _window: &mut Window,
2229        cx: &mut Context<Self>,
2230    ) -> AnyElement {
2231        let (heading_label, description_label) = (
2232            format!("Upgrade {} to work with Zed", self.agent.agent_id()),
2233            if version.is_empty() {
2234                format!(
2235                    "Currently using {}, which does not report a valid --version",
2236                    path,
2237                )
2238            } else {
2239                format!(
2240                    "Currently using {}, which is only version {} (need at least {minimum_version})",
2241                    path, version
2242                )
2243            },
2244        );
2245
2246        v_flex()
2247            .w_full()
2248            .p_3p5()
2249            .gap_2p5()
2250            .border_t_1()
2251            .border_color(cx.theme().colors().border)
2252            .bg(linear_gradient(
2253                180.,
2254                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
2255                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
2256            ))
2257            .child(
2258                v_flex().gap_0p5().child(Label::new(heading_label)).child(
2259                    Label::new(description_label)
2260                        .size(LabelSize::Small)
2261                        .color(Color::Muted),
2262                ),
2263            )
2264            .into_any_element()
2265    }
2266
2267    pub(crate) fn as_native_connection(
2268        &self,
2269        cx: &App,
2270    ) -> Option<Rc<agent::NativeAgentConnection>> {
2271        let acp_thread = self.active_thread()?.read(cx).thread.read(cx);
2272        acp_thread.connection().clone().downcast()
2273    }
2274
2275    pub fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
2276        let acp_thread = self.active_thread()?.read(cx).thread.read(cx);
2277        self.as_native_connection(cx)?
2278            .thread(acp_thread.session_id(), cx)
2279    }
2280
2281    fn queued_messages_len(&self, cx: &App) -> usize {
2282        self.active_thread()
2283            .map(|thread| thread.read(cx).local_queued_messages.len())
2284            .unwrap_or_default()
2285    }
2286
2287    fn update_queued_message(
2288        &mut self,
2289        index: usize,
2290        content: Vec<acp::ContentBlock>,
2291        tracked_buffers: Vec<Entity<Buffer>>,
2292        cx: &mut Context<Self>,
2293    ) -> bool {
2294        match self.active_thread() {
2295            Some(thread) => thread.update(cx, |thread, _cx| {
2296                if index < thread.local_queued_messages.len() {
2297                    thread.local_queued_messages[index] = QueuedMessage {
2298                        content,
2299                        tracked_buffers,
2300                    };
2301                    true
2302                } else {
2303                    false
2304                }
2305            }),
2306            None => false,
2307        }
2308    }
2309
2310    fn queued_message_contents(&self, cx: &App) -> Vec<Vec<acp::ContentBlock>> {
2311        match self.active_thread() {
2312            None => Vec::new(),
2313            Some(thread) => thread
2314                .read(cx)
2315                .local_queued_messages
2316                .iter()
2317                .map(|q| q.content.clone())
2318                .collect(),
2319        }
2320    }
2321
2322    fn save_queued_message_at_index(&mut self, index: usize, cx: &mut Context<Self>) {
2323        let editor = match self.active_thread() {
2324            Some(thread) => thread.read(cx).queued_message_editors.get(index).cloned(),
2325            None => None,
2326        };
2327        let Some(editor) = editor else {
2328            return;
2329        };
2330
2331        let contents_task = editor.update(cx, |editor, cx| editor.contents(false, cx));
2332
2333        cx.spawn(async move |this, cx| {
2334            let Ok((content, tracked_buffers)) = contents_task.await else {
2335                return Ok::<(), anyhow::Error>(());
2336            };
2337
2338            this.update(cx, |this, cx| {
2339                this.update_queued_message(index, content, tracked_buffers, cx);
2340                cx.notify();
2341            })?;
2342
2343            Ok(())
2344        })
2345        .detach_and_log_err(cx);
2346    }
2347
2348    fn sync_queued_message_editors(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2349        let needed_count = self.queued_messages_len(cx);
2350        let queued_messages = self.queued_message_contents(cx);
2351
2352        let agent_name = self.agent.agent_id();
2353        let workspace = self.workspace.clone();
2354        let project = self.project.downgrade();
2355        let Some(connected) = self.as_connected() else {
2356            return;
2357        };
2358        let history = connected.history.as_ref().map(|h| h.downgrade());
2359        let Some(thread) = connected.active_view() else {
2360            return;
2361        };
2362        let session_capabilities = thread.read(cx).session_capabilities.clone();
2363
2364        let current_count = thread.read(cx).queued_message_editors.len();
2365        let last_synced = thread.read(cx).last_synced_queue_length;
2366
2367        if current_count == needed_count && needed_count == last_synced {
2368            return;
2369        }
2370
2371        if current_count > needed_count {
2372            thread.update(cx, |thread, _cx| {
2373                thread.queued_message_editors.truncate(needed_count);
2374                thread
2375                    .queued_message_editor_subscriptions
2376                    .truncate(needed_count);
2377            });
2378
2379            let editors = thread.read(cx).queued_message_editors.clone();
2380            for (index, editor) in editors.into_iter().enumerate() {
2381                if let Some(content) = queued_messages.get(index) {
2382                    editor.update(cx, |editor, cx| {
2383                        editor.set_read_only(true, cx);
2384                        editor.set_message(content.clone(), window, cx);
2385                    });
2386                }
2387            }
2388        }
2389
2390        while thread.read(cx).queued_message_editors.len() < needed_count {
2391            let index = thread.read(cx).queued_message_editors.len();
2392            let content = queued_messages.get(index).cloned().unwrap_or_default();
2393
2394            let editor = cx.new(|cx| {
2395                let mut editor = MessageEditor::new(
2396                    workspace.clone(),
2397                    project.clone(),
2398                    None,
2399                    history.clone(),
2400                    None,
2401                    session_capabilities.clone(),
2402                    agent_name.clone(),
2403                    "",
2404                    EditorMode::AutoHeight {
2405                        min_lines: 1,
2406                        max_lines: Some(10),
2407                    },
2408                    window,
2409                    cx,
2410                );
2411                editor.set_read_only(true, cx);
2412                editor.set_message(content, window, cx);
2413                editor
2414            });
2415
2416            let subscription = cx.subscribe_in(
2417                &editor,
2418                window,
2419                move |this, _editor, event, window, cx| match event {
2420                    MessageEditorEvent::InputAttempted {
2421                        text,
2422                        cursor_offset,
2423                    } => this.move_queued_message_to_main_editor(
2424                        index,
2425                        Some(text.as_ref()),
2426                        Some(*cursor_offset),
2427                        window,
2428                        cx,
2429                    ),
2430                    MessageEditorEvent::LostFocus => {
2431                        this.save_queued_message_at_index(index, cx);
2432                    }
2433                    MessageEditorEvent::Cancel => {
2434                        window.focus(&this.focus_handle(cx), cx);
2435                    }
2436                    MessageEditorEvent::Send => {
2437                        window.focus(&this.focus_handle(cx), cx);
2438                    }
2439                    MessageEditorEvent::SendImmediately => {
2440                        this.send_queued_message_at_index(index, true, window, cx);
2441                    }
2442                    _ => {}
2443                },
2444            );
2445
2446            thread.update(cx, |thread, _cx| {
2447                thread.queued_message_editors.push(editor);
2448                thread
2449                    .queued_message_editor_subscriptions
2450                    .push(subscription);
2451            });
2452        }
2453
2454        if let Some(active) = self.active_thread() {
2455            active.update(cx, |active, _cx| {
2456                active.last_synced_queue_length = needed_count;
2457            });
2458        }
2459    }
2460
2461    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
2462        let workspace = self.workspace.clone();
2463        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
2464            crate::conversation_view::thread_view::open_link(text, &workspace, window, cx);
2465        })
2466    }
2467
2468    fn notify_with_sound(
2469        &mut self,
2470        caption: impl Into<SharedString>,
2471        icon: IconName,
2472        window: &mut Window,
2473        cx: &mut Context<Self>,
2474    ) {
2475        #[cfg(feature = "audio")]
2476        self.play_notification_sound(window, cx);
2477        self.show_notification(caption, icon, window, cx);
2478    }
2479
2480    fn is_visible(&self, multi_workspace: &Entity<MultiWorkspace>, cx: &Context<Self>) -> bool {
2481        let Some(workspace) = self.workspace.upgrade() else {
2482            return false;
2483        };
2484
2485        multi_workspace.read(cx).sidebar_open()
2486            || multi_workspace.read(cx).workspace() == &workspace
2487                && AgentPanel::is_visible(&workspace, cx)
2488                && multi_workspace
2489                    .read(cx)
2490                    .workspace()
2491                    .read(cx)
2492                    .panel::<AgentPanel>(cx)
2493                    .map_or(false, |p| {
2494                        p.read(cx).active_conversation_view().map(|c| c.entity_id())
2495                            == Some(cx.entity_id())
2496                    })
2497    }
2498
2499    fn agent_status_visible(&self, window: &Window, cx: &Context<Self>) -> bool {
2500        if !window.is_window_active() {
2501            return false;
2502        }
2503
2504        if let Some(multi_workspace) = window.root::<MultiWorkspace>().flatten() {
2505            self.is_visible(&multi_workspace, cx)
2506        } else {
2507            self.workspace
2508                .upgrade()
2509                .is_some_and(|workspace| AgentPanel::is_visible(&workspace, cx))
2510        }
2511    }
2512
2513    #[cfg(feature = "audio")]
2514    fn play_notification_sound(&self, window: &Window, cx: &mut Context<Self>) {
2515        let visible = window.is_window_active()
2516            && if let Some(mw) = window.root::<MultiWorkspace>().flatten() {
2517                self.is_visible(&mw, cx)
2518            } else {
2519                self.workspace
2520                    .upgrade()
2521                    .is_some_and(|workspace| AgentPanel::is_visible(&workspace, cx))
2522            };
2523        let settings = AgentSettings::get_global(cx);
2524        if settings.play_sound_when_agent_done.should_play(visible) {
2525            Audio::play_sound(Sound::AgentDone, cx);
2526        }
2527    }
2528
2529    fn show_notification(
2530        &mut self,
2531        caption: impl Into<SharedString>,
2532        icon: IconName,
2533        window: &mut Window,
2534        cx: &mut Context<Self>,
2535    ) {
2536        if !self.notifications.is_empty() {
2537            return;
2538        }
2539
2540        let settings = AgentSettings::get_global(cx);
2541
2542        let should_notify = !self.agent_status_visible(window, cx);
2543
2544        if !should_notify {
2545            return;
2546        }
2547
2548        let Some(root_thread) = self.root_thread(cx) else {
2549            return;
2550        };
2551        let root_thread = root_thread.read(cx).thread.read(cx);
2552        let root_session_id = root_thread.session_id().clone();
2553        let root_work_dirs = root_thread.work_dirs().cloned();
2554        let root_title = root_thread.title();
2555
2556        // TODO: Change this once we have title summarization for external agents.
2557        let title = self.agent.agent_id().0;
2558
2559        match settings.notify_when_agent_waiting {
2560            NotifyWhenAgentWaiting::PrimaryScreen => {
2561                if let Some(primary) = cx.primary_display() {
2562                    self.pop_up(
2563                        icon,
2564                        caption.into(),
2565                        title,
2566                        root_session_id,
2567                        root_work_dirs,
2568                        root_title,
2569                        window,
2570                        primary,
2571                        cx,
2572                    );
2573                }
2574            }
2575            NotifyWhenAgentWaiting::AllScreens => {
2576                let caption = caption.into();
2577                for screen in cx.displays() {
2578                    self.pop_up(
2579                        icon,
2580                        caption.clone(),
2581                        title.clone(),
2582                        root_session_id.clone(),
2583                        root_work_dirs.clone(),
2584                        root_title.clone(),
2585                        window,
2586                        screen,
2587                        cx,
2588                    );
2589                }
2590            }
2591            NotifyWhenAgentWaiting::Never => {
2592                // Don't show anything
2593            }
2594        }
2595    }
2596
2597    fn pop_up(
2598        &mut self,
2599        icon: IconName,
2600        caption: SharedString,
2601        title: SharedString,
2602        root_session_id: acp::SessionId,
2603        root_work_dirs: Option<PathList>,
2604        root_title: Option<SharedString>,
2605        window: &mut Window,
2606        screen: Rc<dyn PlatformDisplay>,
2607        cx: &mut Context<Self>,
2608    ) {
2609        let options = AgentNotification::window_options(screen, cx);
2610
2611        let project_name = self.workspace.upgrade().and_then(|workspace| {
2612            workspace
2613                .read(cx)
2614                .project()
2615                .read(cx)
2616                .visible_worktrees(cx)
2617                .next()
2618                .map(|worktree| worktree.read(cx).root_name_str().to_string())
2619        });
2620
2621        if let Some(screen_window) = cx
2622            .open_window(options, |_window, cx| {
2623                cx.new(|_cx| {
2624                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
2625                })
2626            })
2627            .log_err()
2628            && let Some(pop_up) = screen_window.entity(cx).log_err()
2629        {
2630            self.notification_subscriptions
2631                .entry(screen_window)
2632                .or_insert_with(Vec::new)
2633                .push(cx.subscribe_in(&pop_up, window, {
2634                    move |this, _, event, window, cx| match event {
2635                        AgentNotificationEvent::Accepted => {
2636                            let Some(handle) = window.window_handle().downcast::<MultiWorkspace>()
2637                            else {
2638                                log::error!("root view should be a MultiWorkspace");
2639                                return;
2640                            };
2641                            cx.activate(true);
2642
2643                            let workspace_handle = this.workspace.clone();
2644                            let agent = this.connection_key.clone();
2645                            let root_session_id = root_session_id.clone();
2646                            let root_work_dirs = root_work_dirs.clone();
2647                            let root_title = root_title.clone();
2648
2649                            cx.defer(move |cx| {
2650                                handle
2651                                    .update(cx, |multi_workspace, window, cx| {
2652                                        window.activate_window();
2653                                        if let Some(workspace) = workspace_handle.upgrade() {
2654                                            multi_workspace.activate(workspace.clone(), window, cx);
2655                                            workspace.update(cx, |workspace, cx| {
2656                                                workspace.reveal_panel::<AgentPanel>(window, cx);
2657                                                if let Some(panel) =
2658                                                    workspace.panel::<AgentPanel>(cx)
2659                                                {
2660                                                    panel.update(cx, |panel, cx| {
2661                                                        panel.load_agent_thread(
2662                                                            agent.clone(),
2663                                                            root_session_id.clone(),
2664                                                            root_work_dirs.clone(),
2665                                                            root_title.clone(),
2666                                                            true,
2667                                                            "agent_panel",
2668                                                            window,
2669                                                            cx,
2670                                                        );
2671                                                    });
2672                                                }
2673                                                workspace.focus_panel::<AgentPanel>(window, cx);
2674                                            });
2675                                        }
2676                                    })
2677                                    .log_err();
2678                            });
2679
2680                            this.dismiss_notifications(cx);
2681                        }
2682                        AgentNotificationEvent::Dismissed => {
2683                            this.dismiss_notifications(cx);
2684                        }
2685                    }
2686                }));
2687
2688            self.notifications.push(screen_window);
2689
2690            // If the user manually refocuses the original window, dismiss the popup.
2691            self.notification_subscriptions
2692                .entry(screen_window)
2693                .or_insert_with(Vec::new)
2694                .push({
2695                    let pop_up_weak = pop_up.downgrade();
2696
2697                    cx.observe_window_activation(window, move |this, window, cx| {
2698                        if this.agent_status_visible(window, cx)
2699                            && let Some(pop_up) = pop_up_weak.upgrade()
2700                        {
2701                            pop_up.update(cx, |notification, cx| {
2702                                notification.dismiss(cx);
2703                            });
2704                        }
2705                    })
2706                });
2707        }
2708    }
2709
2710    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
2711        for window in self.notifications.drain(..) {
2712            window
2713                .update(cx, |_, window, _| {
2714                    window.remove_window();
2715                })
2716                .ok();
2717
2718            self.notification_subscriptions.remove(&window);
2719        }
2720    }
2721
2722    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
2723        if let Some(entry_view_state) = self
2724            .active_thread()
2725            .map(|active| active.read(cx).entry_view_state.clone())
2726        {
2727            entry_view_state.update(cx, |entry_view_state, cx| {
2728                entry_view_state.agent_ui_font_size_changed(cx);
2729            });
2730        }
2731    }
2732
2733    pub(crate) fn insert_dragged_files(
2734        &self,
2735        paths: Vec<project::ProjectPath>,
2736        added_worktrees: Vec<Entity<project::Worktree>>,
2737        window: &mut Window,
2738        cx: &mut Context<Self>,
2739    ) {
2740        if let Some(active_thread) = self.active_thread() {
2741            active_thread.update(cx, |thread, cx| {
2742                thread.message_editor.update(cx, |editor, cx| {
2743                    editor.insert_dragged_files(paths, added_worktrees, window, cx);
2744                    editor.focus_handle(cx).focus(window, cx);
2745                })
2746            });
2747        }
2748    }
2749
2750    /// Inserts the selected text into the message editor or the message being
2751    /// edited, if any.
2752    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
2753        if let Some(active_thread) = self.active_thread() {
2754            active_thread.update(cx, |thread, cx| {
2755                thread.active_editor(cx).update(cx, |editor, cx| {
2756                    editor.insert_selections(window, cx);
2757                })
2758            });
2759        }
2760    }
2761
2762    fn current_model_name(&self, cx: &App) -> SharedString {
2763        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
2764        // For ACP agents, use the agent name (e.g., "Claude Agent", "Gemini CLI")
2765        // This provides better clarity about what refused the request
2766        if self.as_native_connection(cx).is_some() {
2767            self.active_thread()
2768                .and_then(|active| active.read(cx).model_selector.clone())
2769                .and_then(|selector| selector.read(cx).active_model(cx))
2770                .map(|model| model.name.clone())
2771                .unwrap_or_else(|| SharedString::from("The model"))
2772        } else {
2773            // ACP agent - use the agent name (e.g., "Claude Agent", "Gemini CLI")
2774            self.agent.agent_id().0
2775        }
2776    }
2777
2778    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
2779        let message = message.into();
2780
2781        CopyButton::new("copy-error-message", message).tooltip_label("Copy Error Message")
2782    }
2783
2784    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2785        let agent_id = self.agent.agent_id();
2786        if let Some(active) = self.active_thread() {
2787            active.update(cx, |active, cx| active.clear_thread_error(cx));
2788        }
2789        let this = cx.weak_entity();
2790        let Some(connection) = self.as_connected().map(|c| c.connection.clone()) else {
2791            debug_panic!("This should not be possible");
2792            return;
2793        };
2794        window.defer(cx, |window, cx| {
2795            Self::handle_auth_required(this, AuthRequired::new(), agent_id, connection, window, cx);
2796        })
2797    }
2798
2799    pub fn history(&self) -> Option<&Entity<ThreadHistory>> {
2800        self.as_connected().and_then(|c| c.history.as_ref())
2801    }
2802}
2803
2804fn loading_contents_spinner(size: IconSize) -> AnyElement {
2805    Icon::new(IconName::LoadCircle)
2806        .size(size)
2807        .color(Color::Accent)
2808        .with_rotate_animation(3)
2809        .into_any_element()
2810}
2811
2812fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
2813    if agent_name == agent::ZED_AGENT_ID.as_ref() {
2814        format!("Message the {} — @ to include context", agent_name)
2815    } else if has_commands {
2816        format!(
2817            "Message {} — @ to include context, / for commands",
2818            agent_name
2819        )
2820    } else {
2821        format!("Message {} — @ to include context", agent_name)
2822    }
2823}
2824
2825impl Focusable for ConversationView {
2826    fn focus_handle(&self, cx: &App) -> FocusHandle {
2827        match self.active_thread() {
2828            Some(thread) => thread.read(cx).focus_handle(cx),
2829            None => self.focus_handle.clone(),
2830        }
2831    }
2832}
2833
2834#[cfg(any(test, feature = "test-support"))]
2835impl ConversationView {
2836    /// Expands a tool call so its content is visible.
2837    /// This is primarily useful for visual testing.
2838    pub fn expand_tool_call(&mut self, tool_call_id: acp::ToolCallId, cx: &mut Context<Self>) {
2839        if let Some(active) = self.active_thread() {
2840            active.update(cx, |active, _cx| {
2841                active.expanded_tool_calls.insert(tool_call_id);
2842            });
2843            cx.notify();
2844        }
2845    }
2846
2847    #[cfg(any(test, feature = "test-support"))]
2848    pub fn set_updated_at(&mut self, updated_at: Instant, cx: &mut Context<Self>) {
2849        let Some(connected) = self.as_connected_mut() else {
2850            return;
2851        };
2852
2853        connected.conversation.update(cx, |conversation, _cx| {
2854            conversation.updated_at = Some(updated_at);
2855        });
2856    }
2857}
2858
2859impl Render for ConversationView {
2860    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2861        self.sync_queued_message_editors(window, cx);
2862
2863        v_flex()
2864            .track_focus(&self.focus_handle)
2865            .size_full()
2866            .bg(cx.theme().colors().panel_background)
2867            .child(match &self.server_state {
2868                ServerState::Loading { .. } => v_flex()
2869                    .flex_1()
2870                    .size_full()
2871                    .items_center()
2872                    .justify_center()
2873                    .child(
2874                        Label::new("Loading…").color(Color::Muted).with_animation(
2875                            "loading-agent-label",
2876                            Animation::new(Duration::from_secs(2))
2877                                .repeat()
2878                                .with_easing(pulsating_between(0.3, 0.7)),
2879                            |label, delta| label.alpha(delta),
2880                        ),
2881                    )
2882                    .into_any(),
2883                ServerState::LoadError { error: e, .. } => v_flex()
2884                    .flex_1()
2885                    .size_full()
2886                    .items_center()
2887                    .justify_end()
2888                    .child(self.render_load_error(e, window, cx))
2889                    .into_any(),
2890                ServerState::Connected(ConnectedServerState {
2891                    connection,
2892                    auth_state:
2893                        AuthState::Unauthenticated {
2894                            description,
2895                            configuration_view,
2896                            pending_auth_method,
2897                            _subscription,
2898                        },
2899                    ..
2900                }) => v_flex()
2901                    .flex_1()
2902                    .size_full()
2903                    .justify_end()
2904                    .child(self.render_auth_required_state(
2905                        connection,
2906                        description.as_ref(),
2907                        configuration_view.as_ref(),
2908                        pending_auth_method.as_ref(),
2909                        window,
2910                        cx,
2911                    ))
2912                    .into_any_element(),
2913                ServerState::Connected(connected) => {
2914                    if let Some(view) = connected.active_view() {
2915                        view.clone().into_any_element()
2916                    } else {
2917                        debug_panic!("This state should never be reached");
2918                        div().into_any_element()
2919                    }
2920                }
2921            })
2922    }
2923}
2924
2925fn plan_label_markdown_style(
2926    status: &acp::PlanEntryStatus,
2927    window: &Window,
2928    cx: &App,
2929) -> MarkdownStyle {
2930    let default_md_style = MarkdownStyle::themed(MarkdownFont::Agent, window, cx);
2931
2932    MarkdownStyle {
2933        base_text_style: TextStyle {
2934            color: cx.theme().colors().text_muted,
2935            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
2936                Some(gpui::StrikethroughStyle {
2937                    thickness: px(1.),
2938                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
2939                })
2940            } else {
2941                None
2942            },
2943            ..default_md_style.base_text_style
2944        },
2945        ..default_md_style
2946    }
2947}
2948
2949#[cfg(test)]
2950pub(crate) mod tests {
2951    use acp_thread::{
2952        AgentSessionList, AgentSessionListRequest, AgentSessionListResponse, StubAgentConnection,
2953    };
2954    use action_log::ActionLog;
2955    use agent::{AgentTool, EditFileTool, FetchTool, TerminalTool, ToolPermissionContext};
2956    use agent_client_protocol::SessionId;
2957    use editor::MultiBufferOffset;
2958    use fs::FakeFs;
2959    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
2960    use parking_lot::Mutex;
2961    use project::Project;
2962    use serde_json::json;
2963    use settings::SettingsStore;
2964    use std::any::Any;
2965    use std::path::{Path, PathBuf};
2966    use std::rc::Rc;
2967    use std::sync::Arc;
2968    use workspace::{Item, MultiWorkspace};
2969
2970    use crate::agent_panel;
2971    use crate::thread_metadata_store::ThreadMetadataStore;
2972
2973    use super::*;
2974
2975    #[gpui::test]
2976    async fn test_drop(cx: &mut TestAppContext) {
2977        init_test(cx);
2978
2979        let (conversation_view, _cx) =
2980            setup_conversation_view(StubAgentServer::default_response(), cx).await;
2981        let weak_view = conversation_view.downgrade();
2982        drop(conversation_view);
2983        assert!(!weak_view.is_upgradable());
2984    }
2985
2986    #[gpui::test]
2987    async fn test_external_source_prompt_requires_manual_send(cx: &mut TestAppContext) {
2988        init_test(cx);
2989
2990        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
2991            panic!("expected prompt from external source to sanitize successfully");
2992        };
2993        let initial_content = AgentInitialContent::FromExternalSource(prompt);
2994
2995        let (conversation_view, cx) = setup_conversation_view_with_initial_content(
2996            StubAgentServer::default_response(),
2997            initial_content,
2998            cx,
2999        )
3000        .await;
3001
3002        active_thread(&conversation_view, cx).read_with(cx, |view, cx| {
3003            assert!(view.show_external_source_prompt_warning);
3004            assert_eq!(view.thread.read(cx).entries().len(), 0);
3005            assert_eq!(view.message_editor.read(cx).text(cx), "Write me a script");
3006        });
3007    }
3008
3009    #[gpui::test]
3010    async fn test_external_source_prompt_warning_clears_after_send(cx: &mut TestAppContext) {
3011        init_test(cx);
3012
3013        let Some(prompt) = crate::ExternalSourcePrompt::new("Write me a script") else {
3014            panic!("expected prompt from external source to sanitize successfully");
3015        };
3016        let initial_content = AgentInitialContent::FromExternalSource(prompt);
3017
3018        let (conversation_view, cx) = setup_conversation_view_with_initial_content(
3019            StubAgentServer::default_response(),
3020            initial_content,
3021            cx,
3022        )
3023        .await;
3024
3025        active_thread(&conversation_view, cx)
3026            .update_in(cx, |view, window, cx| view.send(window, cx));
3027        cx.run_until_parked();
3028
3029        active_thread(&conversation_view, cx).read_with(cx, |view, cx| {
3030            assert!(!view.show_external_source_prompt_warning);
3031            assert_eq!(view.message_editor.read(cx).text(cx), "");
3032            assert_eq!(view.thread.read(cx).entries().len(), 2);
3033        });
3034    }
3035
3036    #[gpui::test]
3037    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
3038        init_test(cx);
3039
3040        let (conversation_view, cx) =
3041            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3042
3043        let message_editor = message_editor(&conversation_view, cx);
3044        message_editor.update_in(cx, |editor, window, cx| {
3045            editor.set_text("Hello", window, cx);
3046        });
3047
3048        cx.deactivate_window();
3049
3050        active_thread(&conversation_view, cx)
3051            .update_in(cx, |view, window, cx| view.send(window, cx));
3052
3053        cx.run_until_parked();
3054
3055        assert!(
3056            cx.windows()
3057                .iter()
3058                .any(|window| window.downcast::<AgentNotification>().is_some())
3059        );
3060    }
3061
3062    #[gpui::test]
3063    async fn test_notification_for_error(cx: &mut TestAppContext) {
3064        init_test(cx);
3065
3066        let (conversation_view, cx) =
3067            setup_conversation_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
3068
3069        let message_editor = message_editor(&conversation_view, cx);
3070        message_editor.update_in(cx, |editor, window, cx| {
3071            editor.set_text("Hello", window, cx);
3072        });
3073
3074        cx.deactivate_window();
3075
3076        active_thread(&conversation_view, cx)
3077            .update_in(cx, |view, window, cx| view.send(window, cx));
3078
3079        cx.run_until_parked();
3080
3081        assert!(
3082            cx.windows()
3083                .iter()
3084                .any(|window| window.downcast::<AgentNotification>().is_some())
3085        );
3086    }
3087
3088    #[gpui::test]
3089    async fn test_recent_history_refreshes_when_history_cache_updated(cx: &mut TestAppContext) {
3090        init_test(cx);
3091
3092        let session_a = AgentSessionInfo::new(SessionId::new("session-a"));
3093        let session_b = AgentSessionInfo::new(SessionId::new("session-b"));
3094
3095        // Use a connection that provides a session list so ThreadHistory is created
3096        let (conversation_view, history, cx) = setup_thread_view_with_history(
3097            StubAgentServer::new(SessionHistoryConnection::new(vec![session_a.clone()])),
3098            cx,
3099        )
3100        .await;
3101
3102        // Initially has session_a from the connection's session list
3103        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
3104            assert_eq!(view.recent_history_entries.len(), 1);
3105            assert_eq!(
3106                view.recent_history_entries[0].session_id,
3107                session_a.session_id
3108            );
3109        });
3110
3111        // Swap to a different session list
3112        let list_b: Rc<dyn AgentSessionList> =
3113            Rc::new(StubSessionList::new(vec![session_b.clone()]));
3114        history.update(cx, |history, cx| {
3115            history.set_session_list(list_b, cx);
3116        });
3117        cx.run_until_parked();
3118
3119        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
3120            assert_eq!(view.recent_history_entries.len(), 1);
3121            assert_eq!(
3122                view.recent_history_entries[0].session_id,
3123                session_b.session_id
3124            );
3125        });
3126    }
3127
3128    #[gpui::test]
3129    async fn test_new_thread_creation_triggers_session_list_refresh(cx: &mut TestAppContext) {
3130        init_test(cx);
3131
3132        let session = AgentSessionInfo::new(SessionId::new("history-session"));
3133        let (conversation_view, _history, cx) = setup_thread_view_with_history(
3134            StubAgentServer::new(SessionHistoryConnection::new(vec![session.clone()])),
3135            cx,
3136        )
3137        .await;
3138
3139        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
3140            assert_eq!(view.recent_history_entries.len(), 1);
3141            assert_eq!(
3142                view.recent_history_entries[0].session_id,
3143                session.session_id
3144            );
3145        });
3146    }
3147
3148    #[gpui::test]
3149    async fn test_resume_without_history_adds_notice(cx: &mut TestAppContext) {
3150        init_test(cx);
3151
3152        let fs = FakeFs::new(cx.executor());
3153        let project = Project::test(fs, [], cx).await;
3154        let (multi_workspace, cx) =
3155            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3156        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3157
3158        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3159        let connection_store =
3160            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3161
3162        let conversation_view = cx.update(|window, cx| {
3163            cx.new(|cx| {
3164                ConversationView::new(
3165                    Rc::new(StubAgentServer::new(ResumeOnlyAgentConnection)),
3166                    connection_store,
3167                    Agent::Custom { id: "Test".into() },
3168                    Some(SessionId::new("resume-session")),
3169                    None,
3170                    None,
3171                    None,
3172                    None,
3173                    workspace.downgrade(),
3174                    project,
3175                    Some(thread_store),
3176                    None,
3177                    "agent_panel",
3178                    window,
3179                    cx,
3180                )
3181            })
3182        });
3183
3184        cx.run_until_parked();
3185
3186        conversation_view.read_with(cx, |view, cx| {
3187            let state = view.active_thread().unwrap();
3188            assert!(state.read(cx).resumed_without_history);
3189            assert_eq!(state.read(cx).list_state.item_count(), 0);
3190        });
3191    }
3192
3193    #[derive(Clone)]
3194    struct RestoredAvailableCommandsConnection;
3195
3196    impl AgentConnection for RestoredAvailableCommandsConnection {
3197        fn agent_id(&self) -> AgentId {
3198            AgentId::new("restored-available-commands")
3199        }
3200
3201        fn telemetry_id(&self) -> SharedString {
3202            "restored-available-commands".into()
3203        }
3204
3205        fn new_session(
3206            self: Rc<Self>,
3207            project: Entity<Project>,
3208            _work_dirs: PathList,
3209            cx: &mut App,
3210        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3211            let thread = build_test_thread(
3212                self,
3213                project,
3214                "RestoredAvailableCommandsConnection",
3215                SessionId::new("new-session"),
3216                cx,
3217            );
3218            Task::ready(Ok(thread))
3219        }
3220
3221        fn supports_load_session(&self) -> bool {
3222            true
3223        }
3224
3225        fn load_session(
3226            self: Rc<Self>,
3227            session_id: acp::SessionId,
3228            project: Entity<Project>,
3229            _work_dirs: PathList,
3230            _title: Option<SharedString>,
3231            cx: &mut App,
3232        ) -> Task<gpui::Result<Entity<AcpThread>>> {
3233            let thread = build_test_thread(
3234                self,
3235                project,
3236                "RestoredAvailableCommandsConnection",
3237                session_id,
3238                cx,
3239            );
3240
3241            thread
3242                .update(cx, |thread, cx| {
3243                    thread.handle_session_update(
3244                        acp::SessionUpdate::AvailableCommandsUpdate(
3245                            acp::AvailableCommandsUpdate::new(vec![acp::AvailableCommand::new(
3246                                "help", "Get help",
3247                            )]),
3248                        ),
3249                        cx,
3250                    )
3251                })
3252                .expect("available commands update should succeed");
3253
3254            Task::ready(Ok(thread))
3255        }
3256
3257        fn auth_methods(&self) -> &[acp::AuthMethod] {
3258            &[]
3259        }
3260
3261        fn authenticate(
3262            &self,
3263            _method_id: acp::AuthMethodId,
3264            _cx: &mut App,
3265        ) -> Task<gpui::Result<()>> {
3266            Task::ready(Ok(()))
3267        }
3268
3269        fn prompt(
3270            &self,
3271            _id: acp_thread::UserMessageId,
3272            _params: acp::PromptRequest,
3273            _cx: &mut App,
3274        ) -> Task<gpui::Result<acp::PromptResponse>> {
3275            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
3276        }
3277
3278        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
3279
3280        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
3281            self
3282        }
3283    }
3284
3285    #[gpui::test]
3286    async fn test_restored_threads_keep_available_commands(cx: &mut TestAppContext) {
3287        init_test(cx);
3288
3289        let fs = FakeFs::new(cx.executor());
3290        let project = Project::test(fs, [], cx).await;
3291        let (multi_workspace, cx) =
3292            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3293        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3294
3295        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3296        let connection_store =
3297            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3298
3299        let conversation_view = cx.update(|window, cx| {
3300            cx.new(|cx| {
3301                ConversationView::new(
3302                    Rc::new(StubAgentServer::new(RestoredAvailableCommandsConnection)),
3303                    connection_store,
3304                    Agent::Custom { id: "Test".into() },
3305                    Some(SessionId::new("restored-session")),
3306                    None,
3307                    None,
3308                    None,
3309                    None,
3310                    workspace.downgrade(),
3311                    project,
3312                    Some(thread_store),
3313                    None,
3314                    "agent_panel",
3315                    window,
3316                    cx,
3317                )
3318            })
3319        });
3320
3321        cx.run_until_parked();
3322
3323        let message_editor = message_editor(&conversation_view, cx);
3324        let editor =
3325            message_editor.update(cx, |message_editor, _cx| message_editor.editor().clone());
3326        let placeholder = editor.update(cx, |editor, cx| editor.placeholder_text(cx));
3327
3328        active_thread(&conversation_view, cx).read_with(cx, |view, _cx| {
3329            let available_commands = view
3330                .session_capabilities
3331                .read()
3332                .available_commands()
3333                .to_vec();
3334            assert_eq!(available_commands.len(), 1);
3335            assert_eq!(available_commands[0].name.as_str(), "help");
3336            assert_eq!(available_commands[0].description.as_str(), "Get help");
3337        });
3338
3339        assert_eq!(
3340            placeholder,
3341            Some("Message Test — @ to include context, / for commands".to_string())
3342        );
3343
3344        message_editor.update_in(cx, |editor, window, cx| {
3345            editor.set_text("/help", window, cx);
3346        });
3347
3348        let contents_result = message_editor
3349            .update(cx, |editor, cx| editor.contents(false, cx))
3350            .await;
3351
3352        assert!(contents_result.is_ok());
3353    }
3354
3355    #[gpui::test]
3356    async fn test_resume_thread_uses_session_cwd_when_inside_project(cx: &mut TestAppContext) {
3357        init_test(cx);
3358
3359        let fs = FakeFs::new(cx.executor());
3360        fs.insert_tree(
3361            "/project",
3362            json!({
3363                "subdir": {
3364                    "file.txt": "hello"
3365                }
3366            }),
3367        )
3368        .await;
3369        let project = Project::test(fs, [Path::new("/project")], cx).await;
3370        let (multi_workspace, cx) =
3371            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3372        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
3373
3374        let connection = CwdCapturingConnection::new();
3375        let captured_cwd = connection.captured_work_dirs.clone();
3376
3377        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3378        let connection_store =
3379            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3380
3381        let _conversation_view = cx.update(|window, cx| {
3382            cx.new(|cx| {
3383                ConversationView::new(
3384                    Rc::new(StubAgentServer::new(connection)),
3385                    connection_store,
3386                    Agent::Custom { id: "Test".into() },
3387                    Some(SessionId::new("session-1")),
3388                    None,
3389                    Some(PathList::new(&[PathBuf::from("/project/subdir")])),
3390                    None,
3391                    None,
3392                    workspace.downgrade(),
3393                    project,
3394                    Some(thread_store),
3395                    None,
3396                    "agent_panel",
3397                    window,
3398                    cx,
3399                )
3400            })
3401        });
3402
3403        cx.run_until_parked();
3404
3405        assert_eq!(
3406            captured_cwd.lock().as_ref().unwrap(),
3407            &PathList::new(&[Path::new("/project/subdir")]),
3408            "Should use session cwd when it's inside the project"
3409        );
3410    }
3411
3412    #[gpui::test]
3413    async fn test_refusal_handling(cx: &mut TestAppContext) {
3414        init_test(cx);
3415
3416        let (conversation_view, cx) =
3417            setup_conversation_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
3418
3419        let message_editor = message_editor(&conversation_view, cx);
3420        message_editor.update_in(cx, |editor, window, cx| {
3421            editor.set_text("Do something harmful", window, cx);
3422        });
3423
3424        active_thread(&conversation_view, cx)
3425            .update_in(cx, |view, window, cx| view.send(window, cx));
3426
3427        cx.run_until_parked();
3428
3429        // Check that the refusal error is set
3430        conversation_view.read_with(cx, |thread_view, cx| {
3431            let state = thread_view.active_thread().unwrap();
3432            assert!(
3433                matches!(state.read(cx).thread_error, Some(ThreadError::Refusal)),
3434                "Expected refusal error to be set"
3435            );
3436        });
3437    }
3438
3439    #[gpui::test]
3440    async fn test_connect_failure_transitions_to_load_error(cx: &mut TestAppContext) {
3441        init_test(cx);
3442
3443        let (conversation_view, cx) = setup_conversation_view(FailingAgentServer, cx).await;
3444
3445        conversation_view.read_with(cx, |view, cx| {
3446            let title = view.title(cx);
3447            assert_eq!(
3448                title.as_ref(),
3449                "Error Loading Codex CLI",
3450                "Tab title should show the agent name with an error prefix"
3451            );
3452            match &view.server_state {
3453                ServerState::LoadError {
3454                    error: LoadError::Other(msg),
3455                    ..
3456                } => {
3457                    assert!(
3458                        msg.contains("Invalid gzip header"),
3459                        "Error callout should contain the underlying extraction error, got: {msg}"
3460                    );
3461                }
3462                other => panic!(
3463                    "Expected LoadError::Other, got: {}",
3464                    match other {
3465                        ServerState::Loading { .. } => "Loading (stuck!)",
3466                        ServerState::LoadError { .. } => "LoadError (wrong variant)",
3467                        ServerState::Connected(_) => "Connected",
3468                    }
3469                ),
3470            }
3471        });
3472    }
3473
3474    #[gpui::test]
3475    async fn test_auth_required_on_initial_connect(cx: &mut TestAppContext) {
3476        init_test(cx);
3477
3478        let connection = AuthGatedAgentConnection::new();
3479        let (conversation_view, cx) =
3480            setup_conversation_view(StubAgentServer::new(connection), cx).await;
3481
3482        // When new_session returns AuthRequired, the server should transition
3483        // to Connected + Unauthenticated rather than getting stuck in Loading.
3484        conversation_view.read_with(cx, |view, _cx| {
3485            let connected = view
3486                .as_connected()
3487                .expect("Should be in Connected state even though auth is required");
3488            assert!(
3489                !connected.auth_state.is_ok(),
3490                "Auth state should be Unauthenticated"
3491            );
3492            assert!(
3493                connected.active_id.is_none(),
3494                "There should be no active thread since no session was created"
3495            );
3496            assert!(
3497                connected.threads.is_empty(),
3498                "There should be no threads since no session was created"
3499            );
3500        });
3501
3502        conversation_view.read_with(cx, |view, _cx| {
3503            assert!(
3504                view.active_thread().is_none(),
3505                "active_thread() should be None when unauthenticated without a session"
3506            );
3507        });
3508
3509        // Authenticate using the real authenticate flow on ConnectionView.
3510        // This calls connection.authenticate(), which flips the internal flag,
3511        // then on success triggers reset() -> new_session() which now succeeds.
3512        conversation_view.update_in(cx, |view, window, cx| {
3513            view.authenticate(
3514                acp::AuthMethodId::new(AuthGatedAgentConnection::AUTH_METHOD_ID),
3515                window,
3516                cx,
3517            );
3518        });
3519        cx.run_until_parked();
3520
3521        // After auth, the server should have an active thread in the Ok state.
3522        conversation_view.read_with(cx, |view, cx| {
3523            let connected = view
3524                .as_connected()
3525                .expect("Should still be in Connected state after auth");
3526            assert!(connected.auth_state.is_ok(), "Auth state should be Ok");
3527            assert!(
3528                connected.active_id.is_some(),
3529                "There should be an active thread after successful auth"
3530            );
3531            assert_eq!(
3532                connected.threads.len(),
3533                1,
3534                "There should be exactly one thread"
3535            );
3536
3537            let active = view
3538                .active_thread()
3539                .expect("active_thread() should return the new thread");
3540            assert!(
3541                active.read(cx).thread_error.is_none(),
3542                "The new thread should have no errors"
3543            );
3544        });
3545    }
3546
3547    #[gpui::test]
3548    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
3549        init_test(cx);
3550
3551        let tool_call_id = acp::ToolCallId::new("1");
3552        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
3553            .kind(acp::ToolKind::Edit)
3554            .content(vec!["hi".into()]);
3555        let connection =
3556            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
3557                tool_call_id,
3558                PermissionOptions::Flat(vec![acp::PermissionOption::new(
3559                    "1",
3560                    "Allow",
3561                    acp::PermissionOptionKind::AllowOnce,
3562                )]),
3563            )]));
3564
3565        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
3566
3567        let (conversation_view, cx) =
3568            setup_conversation_view(StubAgentServer::new(connection), cx).await;
3569
3570        let message_editor = message_editor(&conversation_view, cx);
3571        message_editor.update_in(cx, |editor, window, cx| {
3572            editor.set_text("Hello", window, cx);
3573        });
3574
3575        cx.deactivate_window();
3576
3577        active_thread(&conversation_view, cx)
3578            .update_in(cx, |view, window, cx| view.send(window, cx));
3579
3580        cx.run_until_parked();
3581
3582        assert!(
3583            cx.windows()
3584                .iter()
3585                .any(|window| window.downcast::<AgentNotification>().is_some())
3586        );
3587    }
3588
3589    #[gpui::test]
3590    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
3591        init_test(cx);
3592
3593        let (conversation_view, cx) =
3594            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3595
3596        add_to_workspace(conversation_view.clone(), cx);
3597
3598        let message_editor = message_editor(&conversation_view, cx);
3599
3600        message_editor.update_in(cx, |editor, window, cx| {
3601            editor.set_text("Hello", window, cx);
3602        });
3603
3604        // Window is active (don't deactivate), but panel will be hidden
3605        // Note: In the test environment, the panel is not actually added to the dock,
3606        // so is_agent_panel_hidden will return true
3607
3608        active_thread(&conversation_view, cx)
3609            .update_in(cx, |view, window, cx| view.send(window, cx));
3610
3611        cx.run_until_parked();
3612
3613        // Should show notification because window is active but panel is hidden
3614        assert!(
3615            cx.windows()
3616                .iter()
3617                .any(|window| window.downcast::<AgentNotification>().is_some()),
3618            "Expected notification when panel is hidden"
3619        );
3620    }
3621
3622    #[gpui::test]
3623    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
3624        init_test(cx);
3625
3626        let (conversation_view, cx) =
3627            setup_conversation_view(StubAgentServer::default_response(), cx).await;
3628
3629        let message_editor = message_editor(&conversation_view, cx);
3630        message_editor.update_in(cx, |editor, window, cx| {
3631            editor.set_text("Hello", window, cx);
3632        });
3633
3634        // Deactivate window - should show notification regardless of setting
3635        cx.deactivate_window();
3636
3637        active_thread(&conversation_view, cx)
3638            .update_in(cx, |view, window, cx| view.send(window, cx));
3639
3640        cx.run_until_parked();
3641
3642        // Should still show notification when window is inactive (existing behavior)
3643        assert!(
3644            cx.windows()
3645                .iter()
3646                .any(|window| window.downcast::<AgentNotification>().is_some()),
3647            "Expected notification when window is inactive"
3648        );
3649    }
3650
3651    #[gpui::test]
3652    async fn test_notification_when_different_conversation_is_active_in_visible_panel(
3653        cx: &mut TestAppContext,
3654    ) {
3655        init_test(cx);
3656
3657        let fs = FakeFs::new(cx.executor());
3658
3659        cx.update(|cx| {
3660            cx.update_flags(true, vec!["agent-v2".to_string()]);
3661            agent::ThreadStore::init_global(cx);
3662            language_model::LanguageModelRegistry::test(cx);
3663            <dyn Fs>::set_global(fs.clone(), cx);
3664        });
3665
3666        let project = Project::test(fs, [], cx).await;
3667        let multi_workspace_handle =
3668            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3669
3670        let workspace = multi_workspace_handle
3671            .read_with(cx, |mw, _cx| mw.workspace().clone())
3672            .unwrap();
3673
3674        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3675
3676        let panel = workspace.update_in(cx, |workspace, window, cx| {
3677            let panel = cx.new(|cx| crate::AgentPanel::new(workspace, None, window, cx));
3678            workspace.add_panel(panel.clone(), window, cx);
3679            workspace.focus_panel::<crate::AgentPanel>(window, cx);
3680            panel
3681        });
3682
3683        cx.run_until_parked();
3684
3685        panel.update_in(cx, |panel, window, cx| {
3686            panel.open_external_thread_with_server(
3687                Rc::new(StubAgentServer::default_response()),
3688                window,
3689                cx,
3690            );
3691        });
3692
3693        cx.run_until_parked();
3694
3695        panel.read_with(cx, |panel, cx| {
3696            assert!(crate::AgentPanel::is_visible(&workspace, cx));
3697            assert!(panel.active_conversation_view().is_some());
3698        });
3699
3700        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3701        let connection_store =
3702            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3703
3704        let conversation_view = cx.update(|window, cx| {
3705            cx.new(|cx| {
3706                ConversationView::new(
3707                    Rc::new(StubAgentServer::default_response()),
3708                    connection_store,
3709                    Agent::Custom { id: "Test".into() },
3710                    None,
3711                    None,
3712                    None,
3713                    None,
3714                    None,
3715                    workspace.downgrade(),
3716                    project.clone(),
3717                    Some(thread_store),
3718                    None,
3719                    "agent_panel",
3720                    window,
3721                    cx,
3722                )
3723            })
3724        });
3725
3726        cx.run_until_parked();
3727
3728        panel.read_with(cx, |panel, _cx| {
3729            assert_ne!(
3730                panel
3731                    .active_conversation_view()
3732                    .map(|view| view.entity_id()),
3733                Some(conversation_view.entity_id()),
3734                "The visible panel should still be showing a different conversation"
3735            );
3736        });
3737
3738        let message_editor = message_editor(&conversation_view, cx);
3739        message_editor.update_in(cx, |editor, window, cx| {
3740            editor.set_text("Hello", window, cx);
3741        });
3742
3743        active_thread(&conversation_view, cx)
3744            .update_in(cx, |view, window, cx| view.send(window, cx));
3745
3746        cx.run_until_parked();
3747
3748        assert!(
3749            cx.windows()
3750                .iter()
3751                .any(|window| window.downcast::<AgentNotification>().is_some()),
3752            "Expected notification when a different conversation is active in the visible panel"
3753        );
3754    }
3755
3756    #[gpui::test]
3757    async fn test_no_notification_when_sidebar_open_but_different_thread_focused(
3758        cx: &mut TestAppContext,
3759    ) {
3760        init_test(cx);
3761
3762        let fs = FakeFs::new(cx.executor());
3763
3764        cx.update(|cx| {
3765            cx.update_flags(true, vec!["agent-v2".to_string()]);
3766            agent::ThreadStore::init_global(cx);
3767            language_model::LanguageModelRegistry::test(cx);
3768            <dyn Fs>::set_global(fs.clone(), cx);
3769        });
3770
3771        let project = Project::test(fs, [], cx).await;
3772        let multi_workspace_handle =
3773            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
3774
3775        let workspace = multi_workspace_handle
3776            .read_with(cx, |mw, _cx| mw.workspace().clone())
3777            .unwrap();
3778
3779        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3780
3781        // Open the sidebar so that sidebar_open() returns true.
3782        multi_workspace_handle
3783            .update(cx, |mw, _window, cx| {
3784                mw.open_sidebar(cx);
3785            })
3786            .unwrap();
3787
3788        cx.run_until_parked();
3789
3790        assert!(
3791            multi_workspace_handle
3792                .read_with(cx, |mw, _cx| mw.sidebar_open())
3793                .unwrap(),
3794            "Sidebar should be open"
3795        );
3796
3797        // Create a conversation view that is NOT the active one in the panel.
3798        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3799        let connection_store =
3800            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
3801
3802        let conversation_view = cx.update(|window, cx| {
3803            cx.new(|cx| {
3804                ConversationView::new(
3805                    Rc::new(StubAgentServer::default_response()),
3806                    connection_store,
3807                    Agent::Custom { id: "Test".into() },
3808                    None,
3809                    None,
3810                    None,
3811                    None,
3812                    None,
3813                    workspace.downgrade(),
3814                    project.clone(),
3815                    Some(thread_store),
3816                    None,
3817                    "agent_panel",
3818                    window,
3819                    cx,
3820                )
3821            })
3822        });
3823
3824        cx.run_until_parked();
3825
3826        let message_editor = message_editor(&conversation_view, cx);
3827        message_editor.update_in(cx, |editor, window, cx| {
3828            editor.set_text("Hello", window, cx);
3829        });
3830
3831        active_thread(&conversation_view, cx)
3832            .update_in(cx, |view, window, cx| view.send(window, cx));
3833
3834        cx.run_until_parked();
3835
3836        assert!(
3837            !cx.windows()
3838                .iter()
3839                .any(|window| window.downcast::<AgentNotification>().is_some()),
3840            "Expected no notification when the sidebar is open, even if focused on another thread"
3841        );
3842    }
3843
3844    #[gpui::test]
3845    async fn test_notification_when_workspace_is_background_in_multi_workspace(
3846        cx: &mut TestAppContext,
3847    ) {
3848        init_test(cx);
3849
3850        // Enable multi-workspace feature flag and init globals needed by AgentPanel
3851        let fs = FakeFs::new(cx.executor());
3852
3853        cx.update(|cx| {
3854            agent::ThreadStore::init_global(cx);
3855            language_model::LanguageModelRegistry::test(cx);
3856            <dyn Fs>::set_global(fs.clone(), cx);
3857        });
3858
3859        let project1 = Project::test(fs.clone(), [], cx).await;
3860
3861        // Create a MultiWorkspace window with one workspace
3862        let multi_workspace_handle =
3863            cx.add_window(|window, cx| MultiWorkspace::test_new(project1.clone(), window, cx));
3864
3865        // Get workspace 1 (the initial workspace)
3866        let workspace1 = multi_workspace_handle
3867            .read_with(cx, |mw, _cx| mw.workspace().clone())
3868            .unwrap();
3869
3870        let cx = &mut VisualTestContext::from_window(multi_workspace_handle.into(), cx);
3871
3872        let panel = workspace1.update_in(cx, |workspace, window, cx| {
3873            let panel = cx.new(|cx| crate::AgentPanel::new(workspace, None, window, cx));
3874            workspace.add_panel(panel.clone(), window, cx);
3875
3876            // Open the dock and activate the agent panel so it's visible
3877            workspace.focus_panel::<crate::AgentPanel>(window, cx);
3878            panel
3879        });
3880
3881        cx.run_until_parked();
3882
3883        panel.update_in(cx, |panel, window, cx| {
3884            panel.open_external_thread_with_server(
3885                Rc::new(StubAgentServer::new(RestoredAvailableCommandsConnection)),
3886                window,
3887                cx,
3888            );
3889        });
3890
3891        cx.run_until_parked();
3892
3893        cx.read(|cx| {
3894            assert!(
3895                crate::AgentPanel::is_visible(&workspace1, cx),
3896                "AgentPanel should be visible in workspace1's dock"
3897            );
3898        });
3899
3900        // Set up thread view in workspace 1
3901        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
3902        let connection_store =
3903            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project1.clone(), cx)));
3904
3905        let conversation_view = cx.update(|window, cx| {
3906            cx.new(|cx| {
3907                ConversationView::new(
3908                    Rc::new(StubAgentServer::new(RestoredAvailableCommandsConnection)),
3909                    connection_store,
3910                    Agent::Custom { id: "Test".into() },
3911                    None,
3912                    None,
3913                    None,
3914                    None,
3915                    None,
3916                    workspace1.downgrade(),
3917                    project1.clone(),
3918                    Some(thread_store),
3919                    None,
3920                    "agent_panel",
3921                    window,
3922                    cx,
3923                )
3924            })
3925        });
3926        cx.run_until_parked();
3927
3928        let root_session_id = conversation_view
3929            .read_with(cx, |view, cx| {
3930                view.root_thread(cx)
3931                    .map(|thread| thread.read(cx).thread.read(cx).session_id().clone())
3932            })
3933            .expect("Conversation view should have a root thread");
3934
3935        let message_editor = message_editor(&conversation_view, cx);
3936        message_editor.update_in(cx, |editor, window, cx| {
3937            editor.set_text("Hello", window, cx);
3938        });
3939
3940        // Create a second workspace and switch to it.
3941        // This makes workspace1 the "background" workspace.
3942        let project2 = Project::test(fs, [], cx).await;
3943        multi_workspace_handle
3944            .update(cx, |mw, window, cx| {
3945                mw.test_add_workspace(project2, window, cx);
3946            })
3947            .unwrap();
3948
3949        cx.run_until_parked();
3950
3951        // Verify workspace1 is no longer the active workspace
3952        multi_workspace_handle
3953            .read_with(cx, |mw, _cx| {
3954                assert_ne!(mw.workspace(), &workspace1);
3955            })
3956            .unwrap();
3957
3958        // Window is active, agent panel is visible in workspace1, but workspace1
3959        // is in the background. The notification should show because the user
3960        // can't actually see the agent panel.
3961        active_thread(&conversation_view, cx)
3962            .update_in(cx, |view, window, cx| view.send(window, cx));
3963
3964        cx.run_until_parked();
3965
3966        assert!(
3967            cx.windows()
3968                .iter()
3969                .any(|window| window.downcast::<AgentNotification>().is_some()),
3970            "Expected notification when workspace is in background within MultiWorkspace"
3971        );
3972
3973        // Also verify: clicking "View Panel" should switch to workspace1.
3974        cx.windows()
3975            .iter()
3976            .find_map(|window| window.downcast::<AgentNotification>())
3977            .unwrap()
3978            .update(cx, |window, _, cx| window.accept(cx))
3979            .unwrap();
3980
3981        cx.run_until_parked();
3982
3983        multi_workspace_handle
3984            .read_with(cx, |mw, _cx| {
3985                assert_eq!(
3986                    mw.workspace(),
3987                    &workspace1,
3988                    "Expected workspace1 to become the active workspace after accepting notification"
3989                );
3990            })
3991            .unwrap();
3992
3993        panel.read_with(cx, |panel, cx| {
3994            let active_session_id = panel
3995                .active_agent_thread(cx)
3996                .map(|thread| thread.read(cx).session_id().clone());
3997            assert_eq!(
3998                active_session_id,
3999                Some(root_session_id),
4000                "Expected accepting the notification to load the notified thread in AgentPanel"
4001            );
4002        });
4003    }
4004
4005    #[gpui::test]
4006    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
4007        init_test(cx);
4008
4009        // Set notify_when_agent_waiting to Never
4010        cx.update(|cx| {
4011            AgentSettings::override_global(
4012                AgentSettings {
4013                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
4014                    ..AgentSettings::get_global(cx).clone()
4015                },
4016                cx,
4017            );
4018        });
4019
4020        let (conversation_view, cx) =
4021            setup_conversation_view(StubAgentServer::default_response(), cx).await;
4022
4023        let message_editor = message_editor(&conversation_view, cx);
4024        message_editor.update_in(cx, |editor, window, cx| {
4025            editor.set_text("Hello", window, cx);
4026        });
4027
4028        // Window is active
4029
4030        active_thread(&conversation_view, cx)
4031            .update_in(cx, |view, window, cx| view.send(window, cx));
4032
4033        cx.run_until_parked();
4034
4035        // Should NOT show notification because notify_when_agent_waiting is Never
4036        assert!(
4037            !cx.windows()
4038                .iter()
4039                .any(|window| window.downcast::<AgentNotification>().is_some()),
4040            "Expected no notification when notify_when_agent_waiting is Never"
4041        );
4042    }
4043
4044    #[gpui::test]
4045    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
4046        init_test(cx);
4047
4048        let (conversation_view, cx) =
4049            setup_conversation_view(StubAgentServer::default_response(), cx).await;
4050
4051        let weak_view = conversation_view.downgrade();
4052
4053        let message_editor = message_editor(&conversation_view, cx);
4054        message_editor.update_in(cx, |editor, window, cx| {
4055            editor.set_text("Hello", window, cx);
4056        });
4057
4058        cx.deactivate_window();
4059
4060        active_thread(&conversation_view, cx)
4061            .update_in(cx, |view, window, cx| view.send(window, cx));
4062
4063        cx.run_until_parked();
4064
4065        // Verify notification is shown
4066        assert!(
4067            cx.windows()
4068                .iter()
4069                .any(|window| window.downcast::<AgentNotification>().is_some()),
4070            "Expected notification to be shown"
4071        );
4072
4073        // Drop the thread view (simulating navigation to a new thread)
4074        drop(conversation_view);
4075        drop(message_editor);
4076        // Trigger an update to flush effects, which will call release_dropped_entities
4077        cx.update(|_window, _cx| {});
4078        cx.run_until_parked();
4079
4080        // Verify the entity was actually released
4081        assert!(
4082            !weak_view.is_upgradable(),
4083            "Thread view entity should be released after dropping"
4084        );
4085
4086        // The notification should be automatically closed via on_release
4087        assert!(
4088            !cx.windows()
4089                .iter()
4090                .any(|window| window.downcast::<AgentNotification>().is_some()),
4091            "Notification should be closed when thread view is dropped"
4092        );
4093    }
4094
4095    async fn setup_conversation_view(
4096        agent: impl AgentServer + 'static,
4097        cx: &mut TestAppContext,
4098    ) -> (Entity<ConversationView>, &mut VisualTestContext) {
4099        let (conversation_view, _history, cx) =
4100            setup_conversation_view_with_history_and_initial_content(agent, None, cx).await;
4101        (conversation_view, cx)
4102    }
4103
4104    async fn setup_thread_view_with_history(
4105        agent: impl AgentServer + 'static,
4106        cx: &mut TestAppContext,
4107    ) -> (
4108        Entity<ConversationView>,
4109        Entity<ThreadHistory>,
4110        &mut VisualTestContext,
4111    ) {
4112        let (conversation_view, history, cx) =
4113            setup_conversation_view_with_history_and_initial_content(agent, None, cx).await;
4114        (conversation_view, history.expect("Missing history"), cx)
4115    }
4116
4117    async fn setup_conversation_view_with_initial_content(
4118        agent: impl AgentServer + 'static,
4119        initial_content: AgentInitialContent,
4120        cx: &mut TestAppContext,
4121    ) -> (Entity<ConversationView>, &mut VisualTestContext) {
4122        let (conversation_view, _history, cx) =
4123            setup_conversation_view_with_history_and_initial_content(
4124                agent,
4125                Some(initial_content),
4126                cx,
4127            )
4128            .await;
4129        (conversation_view, cx)
4130    }
4131
4132    async fn setup_conversation_view_with_history_and_initial_content(
4133        agent: impl AgentServer + 'static,
4134        initial_content: Option<AgentInitialContent>,
4135        cx: &mut TestAppContext,
4136    ) -> (
4137        Entity<ConversationView>,
4138        Option<Entity<ThreadHistory>>,
4139        &mut VisualTestContext,
4140    ) {
4141        let fs = FakeFs::new(cx.executor());
4142        let project = Project::test(fs, [], cx).await;
4143        let (multi_workspace, cx) =
4144            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
4145        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
4146
4147        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
4148        let connection_store =
4149            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
4150
4151        let agent_key = Agent::Custom { id: "Test".into() };
4152
4153        let conversation_view = cx.update(|window, cx| {
4154            cx.new(|cx| {
4155                ConversationView::new(
4156                    Rc::new(agent),
4157                    connection_store.clone(),
4158                    agent_key.clone(),
4159                    None,
4160                    None,
4161                    None,
4162                    None,
4163                    initial_content,
4164                    workspace.downgrade(),
4165                    project,
4166                    Some(thread_store),
4167                    None,
4168                    "agent_panel",
4169                    window,
4170                    cx,
4171                )
4172            })
4173        });
4174        cx.run_until_parked();
4175
4176        let history = cx.update(|_window, cx| {
4177            connection_store
4178                .read(cx)
4179                .entry(&agent_key)
4180                .and_then(|e| e.read(cx).history().cloned())
4181        });
4182
4183        (conversation_view, history, cx)
4184    }
4185
4186    fn add_to_workspace(conversation_view: Entity<ConversationView>, cx: &mut VisualTestContext) {
4187        let workspace =
4188            conversation_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
4189
4190        workspace
4191            .update_in(cx, |workspace, window, cx| {
4192                workspace.add_item_to_active_pane(
4193                    Box::new(cx.new(|_| ThreadViewItem(conversation_view.clone()))),
4194                    None,
4195                    true,
4196                    window,
4197                    cx,
4198                );
4199            })
4200            .unwrap();
4201    }
4202
4203    struct ThreadViewItem(Entity<ConversationView>);
4204
4205    impl Item for ThreadViewItem {
4206        type Event = ();
4207
4208        fn include_in_nav_history() -> bool {
4209            false
4210        }
4211
4212        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
4213            "Test".into()
4214        }
4215    }
4216
4217    impl EventEmitter<()> for ThreadViewItem {}
4218
4219    impl Focusable for ThreadViewItem {
4220        fn focus_handle(&self, cx: &App) -> FocusHandle {
4221            self.0.read(cx).focus_handle(cx)
4222        }
4223    }
4224
4225    impl Render for ThreadViewItem {
4226        fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4227            // Render the title editor in the element tree too. In the real app
4228            // it is part of the agent panel
4229            let title_editor = self
4230                .0
4231                .read(cx)
4232                .active_thread()
4233                .map(|t| t.read(cx).title_editor.clone());
4234
4235            v_flex().children(title_editor).child(self.0.clone())
4236        }
4237    }
4238
4239    pub(crate) struct StubAgentServer<C> {
4240        connection: C,
4241    }
4242
4243    impl<C> StubAgentServer<C> {
4244        pub(crate) fn new(connection: C) -> Self {
4245            Self { connection }
4246        }
4247    }
4248
4249    impl StubAgentServer<StubAgentConnection> {
4250        pub(crate) fn default_response() -> Self {
4251            let conn = StubAgentConnection::new();
4252            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
4253                acp::ContentChunk::new("Default response".into()),
4254            )]);
4255            Self::new(conn)
4256        }
4257    }
4258
4259    impl<C> AgentServer for StubAgentServer<C>
4260    where
4261        C: 'static + AgentConnection + Send + Clone,
4262    {
4263        fn logo(&self) -> ui::IconName {
4264            ui::IconName::ZedAgent
4265        }
4266
4267        fn agent_id(&self) -> AgentId {
4268            "Test".into()
4269        }
4270
4271        fn connect(
4272            &self,
4273            _delegate: AgentServerDelegate,
4274            _project: Entity<Project>,
4275            _cx: &mut App,
4276        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
4277            Task::ready(Ok(Rc::new(self.connection.clone())))
4278        }
4279
4280        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4281            self
4282        }
4283    }
4284
4285    struct FailingAgentServer;
4286
4287    impl AgentServer for FailingAgentServer {
4288        fn logo(&self) -> ui::IconName {
4289            ui::IconName::AiOpenAi
4290        }
4291
4292        fn agent_id(&self) -> AgentId {
4293            AgentId::new("Codex CLI")
4294        }
4295
4296        fn connect(
4297            &self,
4298            _delegate: AgentServerDelegate,
4299            _project: Entity<Project>,
4300            _cx: &mut App,
4301        ) -> Task<gpui::Result<Rc<dyn AgentConnection>>> {
4302            Task::ready(Err(anyhow!(
4303                "extracting downloaded asset for \
4304                 https://github.com/zed-industries/codex-acp/releases/download/v0.9.4/\
4305                 codex-acp-0.9.4-aarch64-pc-windows-msvc.zip: \
4306                 failed to iterate over archive: Invalid gzip header"
4307            )))
4308        }
4309
4310        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4311            self
4312        }
4313    }
4314
4315    #[derive(Clone)]
4316    struct StubSessionList {
4317        sessions: Vec<AgentSessionInfo>,
4318    }
4319
4320    impl StubSessionList {
4321        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
4322            Self { sessions }
4323        }
4324    }
4325
4326    impl AgentSessionList for StubSessionList {
4327        fn list_sessions(
4328            &self,
4329            _request: AgentSessionListRequest,
4330            _cx: &mut App,
4331        ) -> Task<anyhow::Result<AgentSessionListResponse>> {
4332            Task::ready(Ok(AgentSessionListResponse::new(self.sessions.clone())))
4333        }
4334
4335        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4336            self
4337        }
4338    }
4339
4340    #[derive(Clone)]
4341    struct SessionHistoryConnection {
4342        sessions: Vec<AgentSessionInfo>,
4343    }
4344
4345    impl SessionHistoryConnection {
4346        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
4347            Self { sessions }
4348        }
4349    }
4350
4351    fn build_test_thread(
4352        connection: Rc<dyn AgentConnection>,
4353        project: Entity<Project>,
4354        name: &'static str,
4355        session_id: SessionId,
4356        cx: &mut App,
4357    ) -> Entity<AcpThread> {
4358        let action_log = cx.new(|_| ActionLog::new(project.clone()));
4359        cx.new(|cx| {
4360            AcpThread::new(
4361                None,
4362                Some(name.into()),
4363                None,
4364                connection,
4365                project,
4366                action_log,
4367                session_id,
4368                watch::Receiver::constant(
4369                    acp::PromptCapabilities::new()
4370                        .image(true)
4371                        .audio(true)
4372                        .embedded_context(true),
4373                ),
4374                cx,
4375            )
4376        })
4377    }
4378
4379    impl AgentConnection for SessionHistoryConnection {
4380        fn agent_id(&self) -> AgentId {
4381            AgentId::new("history-connection")
4382        }
4383
4384        fn telemetry_id(&self) -> SharedString {
4385            "history-connection".into()
4386        }
4387
4388        fn new_session(
4389            self: Rc<Self>,
4390            project: Entity<Project>,
4391            _work_dirs: PathList,
4392            cx: &mut App,
4393        ) -> Task<anyhow::Result<Entity<AcpThread>>> {
4394            let thread = build_test_thread(
4395                self,
4396                project,
4397                "SessionHistoryConnection",
4398                SessionId::new("history-session"),
4399                cx,
4400            );
4401            Task::ready(Ok(thread))
4402        }
4403
4404        fn supports_load_session(&self) -> bool {
4405            true
4406        }
4407
4408        fn session_list(&self, _cx: &mut App) -> Option<Rc<dyn AgentSessionList>> {
4409            Some(Rc::new(StubSessionList::new(self.sessions.clone())))
4410        }
4411
4412        fn auth_methods(&self) -> &[acp::AuthMethod] {
4413            &[]
4414        }
4415
4416        fn authenticate(
4417            &self,
4418            _method_id: acp::AuthMethodId,
4419            _cx: &mut App,
4420        ) -> Task<anyhow::Result<()>> {
4421            Task::ready(Ok(()))
4422        }
4423
4424        fn prompt(
4425            &self,
4426            _id: acp_thread::UserMessageId,
4427            _params: acp::PromptRequest,
4428            _cx: &mut App,
4429        ) -> Task<anyhow::Result<acp::PromptResponse>> {
4430            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4431        }
4432
4433        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4434
4435        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4436            self
4437        }
4438    }
4439
4440    #[derive(Clone)]
4441    struct ResumeOnlyAgentConnection;
4442
4443    impl AgentConnection for ResumeOnlyAgentConnection {
4444        fn agent_id(&self) -> AgentId {
4445            AgentId::new("resume-only")
4446        }
4447
4448        fn telemetry_id(&self) -> SharedString {
4449            "resume-only".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            let thread = build_test_thread(
4459                self,
4460                project,
4461                "ResumeOnlyAgentConnection",
4462                SessionId::new("new-session"),
4463                cx,
4464            );
4465            Task::ready(Ok(thread))
4466        }
4467
4468        fn supports_resume_session(&self) -> bool {
4469            true
4470        }
4471
4472        fn resume_session(
4473            self: Rc<Self>,
4474            session_id: acp::SessionId,
4475            project: Entity<Project>,
4476            _work_dirs: PathList,
4477            _title: Option<SharedString>,
4478            cx: &mut App,
4479        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4480            let thread =
4481                build_test_thread(self, project, "ResumeOnlyAgentConnection", session_id, cx);
4482            Task::ready(Ok(thread))
4483        }
4484
4485        fn auth_methods(&self) -> &[acp::AuthMethod] {
4486            &[]
4487        }
4488
4489        fn authenticate(
4490            &self,
4491            _method_id: acp::AuthMethodId,
4492            _cx: &mut App,
4493        ) -> Task<gpui::Result<()>> {
4494            Task::ready(Ok(()))
4495        }
4496
4497        fn prompt(
4498            &self,
4499            _id: acp_thread::UserMessageId,
4500            _params: acp::PromptRequest,
4501            _cx: &mut App,
4502        ) -> Task<gpui::Result<acp::PromptResponse>> {
4503            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4504        }
4505
4506        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4507
4508        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4509            self
4510        }
4511    }
4512
4513    /// Simulates an agent that requires authentication before a session can be
4514    /// created. `new_session` returns `AuthRequired` until `authenticate` is
4515    /// called with the correct method, after which sessions are created normally.
4516    #[derive(Clone)]
4517    struct AuthGatedAgentConnection {
4518        authenticated: Arc<Mutex<bool>>,
4519        auth_method: acp::AuthMethod,
4520    }
4521
4522    impl AuthGatedAgentConnection {
4523        const AUTH_METHOD_ID: &str = "test-login";
4524
4525        fn new() -> Self {
4526            Self {
4527                authenticated: Arc::new(Mutex::new(false)),
4528                auth_method: acp::AuthMethod::Agent(acp::AuthMethodAgent::new(
4529                    Self::AUTH_METHOD_ID,
4530                    "Test Login",
4531                )),
4532            }
4533        }
4534    }
4535
4536    impl AgentConnection for AuthGatedAgentConnection {
4537        fn agent_id(&self) -> AgentId {
4538            AgentId::new("auth-gated")
4539        }
4540
4541        fn telemetry_id(&self) -> SharedString {
4542            "auth-gated".into()
4543        }
4544
4545        fn new_session(
4546            self: Rc<Self>,
4547            project: Entity<Project>,
4548            work_dirs: PathList,
4549            cx: &mut gpui::App,
4550        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4551            if !*self.authenticated.lock() {
4552                return Task::ready(Err(acp_thread::AuthRequired::new()
4553                    .with_description("Sign in to continue".to_string())
4554                    .into()));
4555            }
4556
4557            let session_id = acp::SessionId::new("auth-gated-session");
4558            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4559            Task::ready(Ok(cx.new(|cx| {
4560                AcpThread::new(
4561                    None,
4562                    None,
4563                    Some(work_dirs),
4564                    self,
4565                    project,
4566                    action_log,
4567                    session_id,
4568                    watch::Receiver::constant(
4569                        acp::PromptCapabilities::new()
4570                            .image(true)
4571                            .audio(true)
4572                            .embedded_context(true),
4573                    ),
4574                    cx,
4575                )
4576            })))
4577        }
4578
4579        fn auth_methods(&self) -> &[acp::AuthMethod] {
4580            std::slice::from_ref(&self.auth_method)
4581        }
4582
4583        fn authenticate(
4584            &self,
4585            method_id: acp::AuthMethodId,
4586            _cx: &mut App,
4587        ) -> Task<gpui::Result<()>> {
4588            if &method_id == self.auth_method.id() {
4589                *self.authenticated.lock() = true;
4590                Task::ready(Ok(()))
4591            } else {
4592                Task::ready(Err(anyhow::anyhow!("Unknown auth method")))
4593            }
4594        }
4595
4596        fn prompt(
4597            &self,
4598            _id: acp_thread::UserMessageId,
4599            _params: acp::PromptRequest,
4600            _cx: &mut App,
4601        ) -> Task<gpui::Result<acp::PromptResponse>> {
4602            unimplemented!()
4603        }
4604
4605        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4606            unimplemented!()
4607        }
4608
4609        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4610            self
4611        }
4612    }
4613
4614    #[derive(Clone)]
4615    struct SaboteurAgentConnection;
4616
4617    impl AgentConnection for SaboteurAgentConnection {
4618        fn agent_id(&self) -> AgentId {
4619            AgentId::new("saboteur")
4620        }
4621
4622        fn telemetry_id(&self) -> SharedString {
4623            "saboteur".into()
4624        }
4625
4626        fn new_session(
4627            self: Rc<Self>,
4628            project: Entity<Project>,
4629            work_dirs: PathList,
4630            cx: &mut gpui::App,
4631        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4632            Task::ready(Ok(cx.new(|cx| {
4633                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4634                AcpThread::new(
4635                    None,
4636                    None,
4637                    Some(work_dirs),
4638                    self,
4639                    project,
4640                    action_log,
4641                    SessionId::new("test"),
4642                    watch::Receiver::constant(
4643                        acp::PromptCapabilities::new()
4644                            .image(true)
4645                            .audio(true)
4646                            .embedded_context(true),
4647                    ),
4648                    cx,
4649                )
4650            })))
4651        }
4652
4653        fn auth_methods(&self) -> &[acp::AuthMethod] {
4654            &[]
4655        }
4656
4657        fn authenticate(
4658            &self,
4659            _method_id: acp::AuthMethodId,
4660            _cx: &mut App,
4661        ) -> Task<gpui::Result<()>> {
4662            unimplemented!()
4663        }
4664
4665        fn prompt(
4666            &self,
4667            _id: acp_thread::UserMessageId,
4668            _params: acp::PromptRequest,
4669            _cx: &mut App,
4670        ) -> Task<gpui::Result<acp::PromptResponse>> {
4671            Task::ready(Err(anyhow::anyhow!("Error prompting")))
4672        }
4673
4674        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4675            unimplemented!()
4676        }
4677
4678        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4679            self
4680        }
4681    }
4682
4683    /// Simulates a model which always returns a refusal response
4684    #[derive(Clone)]
4685    struct RefusalAgentConnection;
4686
4687    impl AgentConnection for RefusalAgentConnection {
4688        fn agent_id(&self) -> AgentId {
4689            AgentId::new("refusal")
4690        }
4691
4692        fn telemetry_id(&self) -> SharedString {
4693            "refusal".into()
4694        }
4695
4696        fn new_session(
4697            self: Rc<Self>,
4698            project: Entity<Project>,
4699            work_dirs: PathList,
4700            cx: &mut gpui::App,
4701        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4702            Task::ready(Ok(cx.new(|cx| {
4703                let action_log = cx.new(|_| ActionLog::new(project.clone()));
4704                AcpThread::new(
4705                    None,
4706                    None,
4707                    Some(work_dirs),
4708                    self,
4709                    project,
4710                    action_log,
4711                    SessionId::new("test"),
4712                    watch::Receiver::constant(
4713                        acp::PromptCapabilities::new()
4714                            .image(true)
4715                            .audio(true)
4716                            .embedded_context(true),
4717                    ),
4718                    cx,
4719                )
4720            })))
4721        }
4722
4723        fn auth_methods(&self) -> &[acp::AuthMethod] {
4724            &[]
4725        }
4726
4727        fn authenticate(
4728            &self,
4729            _method_id: acp::AuthMethodId,
4730            _cx: &mut App,
4731        ) -> Task<gpui::Result<()>> {
4732            unimplemented!()
4733        }
4734
4735        fn prompt(
4736            &self,
4737            _id: acp_thread::UserMessageId,
4738            _params: acp::PromptRequest,
4739            _cx: &mut App,
4740        ) -> Task<gpui::Result<acp::PromptResponse>> {
4741            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
4742        }
4743
4744        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
4745            unimplemented!()
4746        }
4747
4748        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4749            self
4750        }
4751    }
4752
4753    #[derive(Clone)]
4754    struct CwdCapturingConnection {
4755        captured_work_dirs: Arc<Mutex<Option<PathList>>>,
4756    }
4757
4758    impl CwdCapturingConnection {
4759        fn new() -> Self {
4760            Self {
4761                captured_work_dirs: Arc::new(Mutex::new(None)),
4762            }
4763        }
4764    }
4765
4766    impl AgentConnection for CwdCapturingConnection {
4767        fn agent_id(&self) -> AgentId {
4768            AgentId::new("cwd-capturing")
4769        }
4770
4771        fn telemetry_id(&self) -> SharedString {
4772            "cwd-capturing".into()
4773        }
4774
4775        fn new_session(
4776            self: Rc<Self>,
4777            project: Entity<Project>,
4778            work_dirs: PathList,
4779            cx: &mut gpui::App,
4780        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4781            *self.captured_work_dirs.lock() = Some(work_dirs.clone());
4782            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4783            let thread = cx.new(|cx| {
4784                AcpThread::new(
4785                    None,
4786                    None,
4787                    Some(work_dirs),
4788                    self.clone(),
4789                    project,
4790                    action_log,
4791                    SessionId::new("new-session"),
4792                    watch::Receiver::constant(
4793                        acp::PromptCapabilities::new()
4794                            .image(true)
4795                            .audio(true)
4796                            .embedded_context(true),
4797                    ),
4798                    cx,
4799                )
4800            });
4801            Task::ready(Ok(thread))
4802        }
4803
4804        fn supports_load_session(&self) -> bool {
4805            true
4806        }
4807
4808        fn load_session(
4809            self: Rc<Self>,
4810            session_id: acp::SessionId,
4811            project: Entity<Project>,
4812            work_dirs: PathList,
4813            _title: Option<SharedString>,
4814            cx: &mut App,
4815        ) -> Task<gpui::Result<Entity<AcpThread>>> {
4816            *self.captured_work_dirs.lock() = Some(work_dirs.clone());
4817            let action_log = cx.new(|_| ActionLog::new(project.clone()));
4818            let thread = cx.new(|cx| {
4819                AcpThread::new(
4820                    None,
4821                    None,
4822                    Some(work_dirs),
4823                    self.clone(),
4824                    project,
4825                    action_log,
4826                    session_id,
4827                    watch::Receiver::constant(
4828                        acp::PromptCapabilities::new()
4829                            .image(true)
4830                            .audio(true)
4831                            .embedded_context(true),
4832                    ),
4833                    cx,
4834                )
4835            });
4836            Task::ready(Ok(thread))
4837        }
4838
4839        fn auth_methods(&self) -> &[acp::AuthMethod] {
4840            &[]
4841        }
4842
4843        fn authenticate(
4844            &self,
4845            _method_id: acp::AuthMethodId,
4846            _cx: &mut App,
4847        ) -> Task<gpui::Result<()>> {
4848            Task::ready(Ok(()))
4849        }
4850
4851        fn prompt(
4852            &self,
4853            _id: acp_thread::UserMessageId,
4854            _params: acp::PromptRequest,
4855            _cx: &mut App,
4856        ) -> Task<gpui::Result<acp::PromptResponse>> {
4857            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
4858        }
4859
4860        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
4861
4862        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
4863            self
4864        }
4865    }
4866
4867    pub(crate) fn init_test(cx: &mut TestAppContext) {
4868        cx.update(|cx| {
4869            let settings_store = SettingsStore::test(cx);
4870            cx.set_global(settings_store);
4871            ThreadMetadataStore::init_global(cx);
4872            theme_settings::init(theme::LoadThemes::JustBase, cx);
4873            editor::init(cx);
4874            agent_panel::init(cx);
4875            release_channel::init(semver::Version::new(0, 0, 0), cx);
4876            prompt_store::init(cx)
4877        });
4878    }
4879
4880    fn active_thread(
4881        conversation_view: &Entity<ConversationView>,
4882        cx: &TestAppContext,
4883    ) -> Entity<ThreadView> {
4884        cx.read(|cx| {
4885            conversation_view
4886                .read(cx)
4887                .active_thread()
4888                .expect("No active thread")
4889                .clone()
4890        })
4891    }
4892
4893    fn message_editor(
4894        conversation_view: &Entity<ConversationView>,
4895        cx: &TestAppContext,
4896    ) -> Entity<MessageEditor> {
4897        let thread = active_thread(conversation_view, cx);
4898        cx.read(|cx| thread.read(cx).message_editor.clone())
4899    }
4900
4901    #[gpui::test]
4902    async fn test_rewind_views(cx: &mut TestAppContext) {
4903        init_test(cx);
4904
4905        let fs = FakeFs::new(cx.executor());
4906        fs.insert_tree(
4907            "/project",
4908            json!({
4909                "test1.txt": "old content 1",
4910                "test2.txt": "old content 2"
4911            }),
4912        )
4913        .await;
4914        let project = Project::test(fs, [Path::new("/project")], cx).await;
4915        let (multi_workspace, cx) =
4916            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
4917        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
4918
4919        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
4920        let connection_store =
4921            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
4922
4923        let connection = Rc::new(StubAgentConnection::new());
4924        let conversation_view = cx.update(|window, cx| {
4925            cx.new(|cx| {
4926                ConversationView::new(
4927                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
4928                    connection_store,
4929                    Agent::Custom { id: "Test".into() },
4930                    None,
4931                    None,
4932                    None,
4933                    None,
4934                    None,
4935                    workspace.downgrade(),
4936                    project.clone(),
4937                    Some(thread_store.clone()),
4938                    None,
4939                    "agent_panel",
4940                    window,
4941                    cx,
4942                )
4943            })
4944        });
4945
4946        cx.run_until_parked();
4947
4948        let thread = conversation_view
4949            .read_with(cx, |view, cx| {
4950                view.active_thread().map(|r| r.read(cx).thread.clone())
4951            })
4952            .unwrap();
4953
4954        // First user message
4955        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4956            acp::ToolCall::new("tool1", "Edit file 1")
4957                .kind(acp::ToolKind::Edit)
4958                .status(acp::ToolCallStatus::Completed)
4959                .content(vec![acp::ToolCallContent::Diff(
4960                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
4961                )]),
4962        )]);
4963
4964        thread
4965            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
4966            .await
4967            .unwrap();
4968        cx.run_until_parked();
4969
4970        thread.read_with(cx, |thread, _cx| {
4971            assert_eq!(thread.entries().len(), 2);
4972        });
4973
4974        conversation_view.read_with(cx, |view, cx| {
4975            let entry_view_state = view
4976                .active_thread()
4977                .map(|active| active.read(cx).entry_view_state.clone())
4978                .unwrap();
4979            entry_view_state.read_with(cx, |entry_view_state, _| {
4980                assert!(
4981                    entry_view_state
4982                        .entry(0)
4983                        .unwrap()
4984                        .message_editor()
4985                        .is_some()
4986                );
4987                assert!(entry_view_state.entry(1).unwrap().has_content());
4988            });
4989        });
4990
4991        // Second user message
4992        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
4993            acp::ToolCall::new("tool2", "Edit file 2")
4994                .kind(acp::ToolKind::Edit)
4995                .status(acp::ToolCallStatus::Completed)
4996                .content(vec![acp::ToolCallContent::Diff(
4997                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
4998                )]),
4999        )]);
5000
5001        thread
5002            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
5003            .await
5004            .unwrap();
5005        cx.run_until_parked();
5006
5007        let second_user_message_id = thread.read_with(cx, |thread, _| {
5008            assert_eq!(thread.entries().len(), 4);
5009            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
5010                panic!();
5011            };
5012            user_message.id.clone().unwrap()
5013        });
5014
5015        conversation_view.read_with(cx, |view, cx| {
5016            let entry_view_state = view
5017                .active_thread()
5018                .unwrap()
5019                .read(cx)
5020                .entry_view_state
5021                .clone();
5022            entry_view_state.read_with(cx, |entry_view_state, _| {
5023                assert!(
5024                    entry_view_state
5025                        .entry(0)
5026                        .unwrap()
5027                        .message_editor()
5028                        .is_some()
5029                );
5030                assert!(entry_view_state.entry(1).unwrap().has_content());
5031                assert!(
5032                    entry_view_state
5033                        .entry(2)
5034                        .unwrap()
5035                        .message_editor()
5036                        .is_some()
5037                );
5038                assert!(entry_view_state.entry(3).unwrap().has_content());
5039            });
5040        });
5041
5042        // Rewind to first message
5043        thread
5044            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
5045            .await
5046            .unwrap();
5047
5048        cx.run_until_parked();
5049
5050        thread.read_with(cx, |thread, _| {
5051            assert_eq!(thread.entries().len(), 2);
5052        });
5053
5054        conversation_view.read_with(cx, |view, cx| {
5055            let active = view.active_thread().unwrap();
5056            active
5057                .read(cx)
5058                .entry_view_state
5059                .read_with(cx, |entry_view_state, _| {
5060                    assert!(
5061                        entry_view_state
5062                            .entry(0)
5063                            .unwrap()
5064                            .message_editor()
5065                            .is_some()
5066                    );
5067                    assert!(entry_view_state.entry(1).unwrap().has_content());
5068
5069                    // Old views should be dropped
5070                    assert!(entry_view_state.entry(2).is_none());
5071                    assert!(entry_view_state.entry(3).is_none());
5072                });
5073        });
5074    }
5075
5076    #[gpui::test]
5077    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
5078        init_test(cx);
5079
5080        let connection = StubAgentConnection::new();
5081
5082        // Each user prompt will result in a user message entry plus an agent message entry.
5083        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5084            acp::ContentChunk::new("Response 1".into()),
5085        )]);
5086
5087        let (conversation_view, cx) =
5088            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5089
5090        let thread = conversation_view
5091            .read_with(cx, |view, cx| {
5092                view.active_thread().map(|r| r.read(cx).thread.clone())
5093            })
5094            .unwrap();
5095
5096        thread
5097            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
5098            .await
5099            .unwrap();
5100        cx.run_until_parked();
5101
5102        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5103            acp::ContentChunk::new("Response 2".into()),
5104        )]);
5105
5106        thread
5107            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
5108            .await
5109            .unwrap();
5110        cx.run_until_parked();
5111
5112        // Move somewhere else first so we're not trivially already on the last user prompt.
5113        active_thread(&conversation_view, cx).update(cx, |view, cx| {
5114            view.scroll_to_top(cx);
5115        });
5116        cx.run_until_parked();
5117
5118        active_thread(&conversation_view, cx).update(cx, |view, cx| {
5119            view.scroll_to_most_recent_user_prompt(cx);
5120            let scroll_top = view.list_state.logical_scroll_top();
5121            // Entries layout is: [User1, Assistant1, User2, Assistant2]
5122            assert_eq!(scroll_top.item_ix, 2);
5123        });
5124    }
5125
5126    #[gpui::test]
5127    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
5128        cx: &mut TestAppContext,
5129    ) {
5130        init_test(cx);
5131
5132        let (conversation_view, cx) =
5133            setup_conversation_view(StubAgentServer::default_response(), cx).await;
5134
5135        // With no entries, scrolling should be a no-op and must not panic.
5136        active_thread(&conversation_view, cx).update(cx, |view, cx| {
5137            view.scroll_to_most_recent_user_prompt(cx);
5138            let scroll_top = view.list_state.logical_scroll_top();
5139            assert_eq!(scroll_top.item_ix, 0);
5140        });
5141    }
5142
5143    #[gpui::test]
5144    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
5145        init_test(cx);
5146
5147        let connection = StubAgentConnection::new();
5148
5149        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5150            acp::ContentChunk::new("Response".into()),
5151        )]);
5152
5153        let (conversation_view, cx) =
5154            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5155        add_to_workspace(conversation_view.clone(), cx);
5156
5157        let message_editor = message_editor(&conversation_view, cx);
5158        message_editor.update_in(cx, |editor, window, cx| {
5159            editor.set_text("Original message to edit", window, cx);
5160        });
5161        active_thread(&conversation_view, cx)
5162            .update_in(cx, |view, window, cx| view.send(window, cx));
5163
5164        cx.run_until_parked();
5165
5166        let user_message_editor = conversation_view.read_with(cx, |view, cx| {
5167            assert_eq!(
5168                view.active_thread()
5169                    .and_then(|active| active.read(cx).editing_message),
5170                None
5171            );
5172
5173            view.active_thread()
5174                .map(|active| &active.read(cx).entry_view_state)
5175                .as_ref()
5176                .unwrap()
5177                .read(cx)
5178                .entry(0)
5179                .unwrap()
5180                .message_editor()
5181                .unwrap()
5182                .clone()
5183        });
5184
5185        // Focus
5186        cx.focus(&user_message_editor);
5187        conversation_view.read_with(cx, |view, cx| {
5188            assert_eq!(
5189                view.active_thread()
5190                    .and_then(|active| active.read(cx).editing_message),
5191                Some(0)
5192            );
5193        });
5194
5195        // Edit
5196        user_message_editor.update_in(cx, |editor, window, cx| {
5197            editor.set_text("Edited message content", window, cx);
5198        });
5199
5200        // Cancel
5201        user_message_editor.update_in(cx, |_editor, window, cx| {
5202            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
5203        });
5204
5205        conversation_view.read_with(cx, |view, cx| {
5206            assert_eq!(
5207                view.active_thread()
5208                    .and_then(|active| active.read(cx).editing_message),
5209                None
5210            );
5211        });
5212
5213        user_message_editor.read_with(cx, |editor, cx| {
5214            assert_eq!(editor.text(cx), "Original message to edit");
5215        });
5216    }
5217
5218    #[gpui::test]
5219    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
5220        init_test(cx);
5221
5222        let connection = StubAgentConnection::new();
5223
5224        let (conversation_view, cx) =
5225            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5226        add_to_workspace(conversation_view.clone(), cx);
5227
5228        let message_editor = message_editor(&conversation_view, cx);
5229        message_editor.update_in(cx, |editor, window, cx| {
5230            editor.set_text("", window, cx);
5231        });
5232
5233        let thread = cx.read(|cx| {
5234            conversation_view
5235                .read(cx)
5236                .active_thread()
5237                .unwrap()
5238                .read(cx)
5239                .thread
5240                .clone()
5241        });
5242        let entries_before = cx.read(|cx| thread.read(cx).entries().len());
5243
5244        active_thread(&conversation_view, cx).update_in(cx, |view, window, cx| {
5245            view.send(window, cx);
5246        });
5247        cx.run_until_parked();
5248
5249        let entries_after = cx.read(|cx| thread.read(cx).entries().len());
5250        assert_eq!(
5251            entries_before, entries_after,
5252            "No message should be sent when editor is empty"
5253        );
5254    }
5255
5256    #[gpui::test]
5257    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
5258        init_test(cx);
5259
5260        let connection = StubAgentConnection::new();
5261
5262        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5263            acp::ContentChunk::new("Response".into()),
5264        )]);
5265
5266        let (conversation_view, cx) =
5267            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5268        add_to_workspace(conversation_view.clone(), cx);
5269
5270        let message_editor = message_editor(&conversation_view, cx);
5271        message_editor.update_in(cx, |editor, window, cx| {
5272            editor.set_text("Original message to edit", window, cx);
5273        });
5274        active_thread(&conversation_view, cx)
5275            .update_in(cx, |view, window, cx| view.send(window, cx));
5276
5277        cx.run_until_parked();
5278
5279        let user_message_editor = conversation_view.read_with(cx, |view, cx| {
5280            assert_eq!(
5281                view.active_thread()
5282                    .and_then(|active| active.read(cx).editing_message),
5283                None
5284            );
5285            assert_eq!(
5286                view.active_thread()
5287                    .unwrap()
5288                    .read(cx)
5289                    .thread
5290                    .read(cx)
5291                    .entries()
5292                    .len(),
5293                2
5294            );
5295
5296            view.active_thread()
5297                .map(|active| &active.read(cx).entry_view_state)
5298                .as_ref()
5299                .unwrap()
5300                .read(cx)
5301                .entry(0)
5302                .unwrap()
5303                .message_editor()
5304                .unwrap()
5305                .clone()
5306        });
5307
5308        // Focus
5309        cx.focus(&user_message_editor);
5310
5311        // Edit
5312        user_message_editor.update_in(cx, |editor, window, cx| {
5313            editor.set_text("Edited message content", window, cx);
5314        });
5315
5316        // Send
5317        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5318            acp::ContentChunk::new("New Response".into()),
5319        )]);
5320
5321        user_message_editor.update_in(cx, |_editor, window, cx| {
5322            window.dispatch_action(Box::new(Chat), cx);
5323        });
5324
5325        cx.run_until_parked();
5326
5327        conversation_view.read_with(cx, |view, cx| {
5328            assert_eq!(
5329                view.active_thread()
5330                    .and_then(|active| active.read(cx).editing_message),
5331                None
5332            );
5333
5334            let entries = view
5335                .active_thread()
5336                .unwrap()
5337                .read(cx)
5338                .thread
5339                .read(cx)
5340                .entries();
5341            assert_eq!(entries.len(), 2);
5342            assert_eq!(
5343                entries[0].to_markdown(cx),
5344                "## User\n\nEdited message content\n\n"
5345            );
5346            assert_eq!(
5347                entries[1].to_markdown(cx),
5348                "## Assistant\n\nNew Response\n\n"
5349            );
5350
5351            let entry_view_state = view
5352                .active_thread()
5353                .map(|active| &active.read(cx).entry_view_state)
5354                .unwrap();
5355            let new_editor = entry_view_state.read_with(cx, |state, _cx| {
5356                assert!(!state.entry(1).unwrap().has_content());
5357                state.entry(0).unwrap().message_editor().unwrap().clone()
5358            });
5359
5360            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
5361        })
5362    }
5363
5364    #[gpui::test]
5365    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
5366        init_test(cx);
5367
5368        let connection = StubAgentConnection::new();
5369
5370        let (conversation_view, cx) =
5371            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5372        add_to_workspace(conversation_view.clone(), cx);
5373
5374        let message_editor = message_editor(&conversation_view, cx);
5375        message_editor.update_in(cx, |editor, window, cx| {
5376            editor.set_text("Original message to edit", window, cx);
5377        });
5378        active_thread(&conversation_view, cx)
5379            .update_in(cx, |view, window, cx| view.send(window, cx));
5380
5381        cx.run_until_parked();
5382
5383        let (user_message_editor, session_id) = conversation_view.read_with(cx, |view, cx| {
5384            let thread = view.active_thread().unwrap().read(cx).thread.read(cx);
5385            assert_eq!(thread.entries().len(), 1);
5386
5387            let editor = view
5388                .active_thread()
5389                .map(|active| &active.read(cx).entry_view_state)
5390                .as_ref()
5391                .unwrap()
5392                .read(cx)
5393                .entry(0)
5394                .unwrap()
5395                .message_editor()
5396                .unwrap()
5397                .clone();
5398
5399            (editor, thread.session_id().clone())
5400        });
5401
5402        // Focus
5403        cx.focus(&user_message_editor);
5404
5405        conversation_view.read_with(cx, |view, cx| {
5406            assert_eq!(
5407                view.active_thread()
5408                    .and_then(|active| active.read(cx).editing_message),
5409                Some(0)
5410            );
5411        });
5412
5413        // Edit
5414        user_message_editor.update_in(cx, |editor, window, cx| {
5415            editor.set_text("Edited message content", window, cx);
5416        });
5417
5418        conversation_view.read_with(cx, |view, cx| {
5419            assert_eq!(
5420                view.active_thread()
5421                    .and_then(|active| active.read(cx).editing_message),
5422                Some(0)
5423            );
5424        });
5425
5426        // Finish streaming response
5427        cx.update(|_, cx| {
5428            connection.send_update(
5429                session_id.clone(),
5430                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
5431                cx,
5432            );
5433            connection.end_turn(session_id, acp::StopReason::EndTurn);
5434        });
5435
5436        conversation_view.read_with(cx, |view, cx| {
5437            assert_eq!(
5438                view.active_thread()
5439                    .and_then(|active| active.read(cx).editing_message),
5440                Some(0)
5441            );
5442        });
5443
5444        cx.run_until_parked();
5445
5446        // Should still be editing
5447        cx.update(|window, cx| {
5448            assert!(user_message_editor.focus_handle(cx).is_focused(window));
5449            assert_eq!(
5450                conversation_view
5451                    .read(cx)
5452                    .active_thread()
5453                    .and_then(|active| active.read(cx).editing_message),
5454                Some(0)
5455            );
5456            assert_eq!(
5457                user_message_editor.read(cx).text(cx),
5458                "Edited message content"
5459            );
5460        });
5461    }
5462
5463    #[gpui::test]
5464    async fn test_stale_stop_does_not_disable_follow_tail_during_regenerate(
5465        cx: &mut TestAppContext,
5466    ) {
5467        init_test(cx);
5468
5469        let connection = StubAgentConnection::new();
5470
5471        let (conversation_view, cx) =
5472            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5473        add_to_workspace(conversation_view.clone(), cx);
5474
5475        let message_editor = message_editor(&conversation_view, cx);
5476        message_editor.update_in(cx, |editor, window, cx| {
5477            editor.set_text("Original message to edit", window, cx);
5478        });
5479        active_thread(&conversation_view, cx)
5480            .update_in(cx, |view, window, cx| view.send(window, cx));
5481
5482        cx.run_until_parked();
5483
5484        let user_message_editor = conversation_view.read_with(cx, |view, cx| {
5485            view.active_thread()
5486                .map(|active| &active.read(cx).entry_view_state)
5487                .as_ref()
5488                .unwrap()
5489                .read(cx)
5490                .entry(0)
5491                .unwrap()
5492                .message_editor()
5493                .unwrap()
5494                .clone()
5495        });
5496
5497        cx.focus(&user_message_editor);
5498        user_message_editor.update_in(cx, |editor, window, cx| {
5499            editor.set_text("Edited message content", window, cx);
5500        });
5501
5502        user_message_editor.update_in(cx, |_editor, window, cx| {
5503            window.dispatch_action(Box::new(Chat), cx);
5504        });
5505
5506        cx.run_until_parked();
5507
5508        conversation_view.read_with(cx, |view, cx| {
5509            let active = view.active_thread().unwrap();
5510            let active = active.read(cx);
5511
5512            assert_eq!(active.thread.read(cx).status(), ThreadStatus::Generating);
5513            assert!(
5514                active.list_state.is_following_tail(),
5515                "stale stop events from the cancelled turn must not disable follow-tail for the new turn"
5516            );
5517        });
5518    }
5519
5520    struct GeneratingThreadSetup {
5521        conversation_view: Entity<ConversationView>,
5522        thread: Entity<AcpThread>,
5523        message_editor: Entity<MessageEditor>,
5524    }
5525
5526    async fn setup_generating_thread(
5527        cx: &mut TestAppContext,
5528    ) -> (GeneratingThreadSetup, &mut VisualTestContext) {
5529        let connection = StubAgentConnection::new();
5530
5531        let (conversation_view, cx) =
5532            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5533        add_to_workspace(conversation_view.clone(), cx);
5534
5535        let message_editor = message_editor(&conversation_view, cx);
5536        message_editor.update_in(cx, |editor, window, cx| {
5537            editor.set_text("Hello", window, cx);
5538        });
5539        active_thread(&conversation_view, cx)
5540            .update_in(cx, |view, window, cx| view.send(window, cx));
5541
5542        let (thread, session_id) = conversation_view.read_with(cx, |view, cx| {
5543            let thread = view
5544                .active_thread()
5545                .as_ref()
5546                .unwrap()
5547                .read(cx)
5548                .thread
5549                .clone();
5550            (thread.clone(), thread.read(cx).session_id().clone())
5551        });
5552
5553        cx.run_until_parked();
5554
5555        cx.update(|_, cx| {
5556            connection.send_update(
5557                session_id.clone(),
5558                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5559                    "Response chunk".into(),
5560                )),
5561                cx,
5562            );
5563        });
5564
5565        cx.run_until_parked();
5566
5567        thread.read_with(cx, |thread, _cx| {
5568            assert_eq!(thread.status(), ThreadStatus::Generating);
5569        });
5570
5571        (
5572            GeneratingThreadSetup {
5573                conversation_view,
5574                thread,
5575                message_editor,
5576            },
5577            cx,
5578        )
5579    }
5580
5581    #[gpui::test]
5582    async fn test_escape_cancels_generation_from_conversation_focus(cx: &mut TestAppContext) {
5583        init_test(cx);
5584
5585        let (setup, cx) = setup_generating_thread(cx).await;
5586
5587        let focus_handle = setup
5588            .conversation_view
5589            .read_with(cx, |view, cx| view.focus_handle(cx));
5590        cx.update(|window, cx| {
5591            window.focus(&focus_handle, cx);
5592        });
5593
5594        setup.conversation_view.update_in(cx, |_, window, cx| {
5595            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5596        });
5597
5598        cx.run_until_parked();
5599
5600        setup.thread.read_with(cx, |thread, _cx| {
5601            assert_eq!(thread.status(), ThreadStatus::Idle);
5602        });
5603    }
5604
5605    #[gpui::test]
5606    async fn test_escape_cancels_generation_from_editor_focus(cx: &mut TestAppContext) {
5607        init_test(cx);
5608
5609        let (setup, cx) = setup_generating_thread(cx).await;
5610
5611        let editor_focus_handle = setup
5612            .message_editor
5613            .read_with(cx, |editor, cx| editor.focus_handle(cx));
5614        cx.update(|window, cx| {
5615            window.focus(&editor_focus_handle, cx);
5616        });
5617
5618        setup.message_editor.update_in(cx, |_, window, cx| {
5619            window.dispatch_action(editor::actions::Cancel.boxed_clone(), cx);
5620        });
5621
5622        cx.run_until_parked();
5623
5624        setup.thread.read_with(cx, |thread, _cx| {
5625            assert_eq!(thread.status(), ThreadStatus::Idle);
5626        });
5627    }
5628
5629    #[gpui::test]
5630    async fn test_escape_when_idle_is_noop(cx: &mut TestAppContext) {
5631        init_test(cx);
5632
5633        let (conversation_view, cx) =
5634            setup_conversation_view(StubAgentServer::new(StubAgentConnection::new()), cx).await;
5635        add_to_workspace(conversation_view.clone(), cx);
5636
5637        let thread = conversation_view.read_with(cx, |view, cx| {
5638            view.active_thread().unwrap().read(cx).thread.clone()
5639        });
5640
5641        thread.read_with(cx, |thread, _cx| {
5642            assert_eq!(thread.status(), ThreadStatus::Idle);
5643        });
5644
5645        let focus_handle = conversation_view.read_with(cx, |view, _cx| view.focus_handle.clone());
5646        cx.update(|window, cx| {
5647            window.focus(&focus_handle, cx);
5648        });
5649
5650        conversation_view.update_in(cx, |_, window, cx| {
5651            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
5652        });
5653
5654        cx.run_until_parked();
5655
5656        thread.read_with(cx, |thread, _cx| {
5657            assert_eq!(thread.status(), ThreadStatus::Idle);
5658        });
5659    }
5660
5661    #[gpui::test]
5662    async fn test_interrupt(cx: &mut TestAppContext) {
5663        init_test(cx);
5664
5665        let connection = StubAgentConnection::new();
5666
5667        let (conversation_view, cx) =
5668            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
5669        add_to_workspace(conversation_view.clone(), cx);
5670
5671        let message_editor = message_editor(&conversation_view, cx);
5672        message_editor.update_in(cx, |editor, window, cx| {
5673            editor.set_text("Message 1", window, cx);
5674        });
5675        active_thread(&conversation_view, cx)
5676            .update_in(cx, |view, window, cx| view.send(window, cx));
5677
5678        let (thread, session_id) = conversation_view.read_with(cx, |view, cx| {
5679            let thread = view.active_thread().unwrap().read(cx).thread.clone();
5680
5681            (thread.clone(), thread.read(cx).session_id().clone())
5682        });
5683
5684        cx.run_until_parked();
5685
5686        cx.update(|_, cx| {
5687            connection.send_update(
5688                session_id.clone(),
5689                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5690                    "Message 1 resp".into(),
5691                )),
5692                cx,
5693            );
5694        });
5695
5696        cx.run_until_parked();
5697
5698        thread.read_with(cx, |thread, cx| {
5699            assert_eq!(
5700                thread.to_markdown(cx),
5701                indoc::indoc! {"
5702                        ## User
5703
5704                        Message 1
5705
5706                        ## Assistant
5707
5708                        Message 1 resp
5709
5710                    "}
5711            )
5712        });
5713
5714        message_editor.update_in(cx, |editor, window, cx| {
5715            editor.set_text("Message 2", window, cx);
5716        });
5717        active_thread(&conversation_view, cx)
5718            .update_in(cx, |view, window, cx| view.interrupt_and_send(window, cx));
5719
5720        cx.update(|_, cx| {
5721            // Simulate a response sent after beginning to cancel
5722            connection.send_update(
5723                session_id.clone(),
5724                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
5725                cx,
5726            );
5727        });
5728
5729        cx.run_until_parked();
5730
5731        // Last Message 1 response should appear before Message 2
5732        thread.read_with(cx, |thread, cx| {
5733            assert_eq!(
5734                thread.to_markdown(cx),
5735                indoc::indoc! {"
5736                        ## User
5737
5738                        Message 1
5739
5740                        ## Assistant
5741
5742                        Message 1 response
5743
5744                        ## User
5745
5746                        Message 2
5747
5748                    "}
5749            )
5750        });
5751
5752        cx.update(|_, cx| {
5753            connection.send_update(
5754                session_id.clone(),
5755                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
5756                    "Message 2 response".into(),
5757                )),
5758                cx,
5759            );
5760            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5761        });
5762
5763        cx.run_until_parked();
5764
5765        thread.read_with(cx, |thread, cx| {
5766            assert_eq!(
5767                thread.to_markdown(cx),
5768                indoc::indoc! {"
5769                        ## User
5770
5771                        Message 1
5772
5773                        ## Assistant
5774
5775                        Message 1 response
5776
5777                        ## User
5778
5779                        Message 2
5780
5781                        ## Assistant
5782
5783                        Message 2 response
5784
5785                    "}
5786            )
5787        });
5788    }
5789
5790    #[gpui::test]
5791    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
5792        init_test(cx);
5793
5794        let connection = StubAgentConnection::new();
5795        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5796            acp::ContentChunk::new("Response".into()),
5797        )]);
5798
5799        let (conversation_view, cx) =
5800            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5801        add_to_workspace(conversation_view.clone(), cx);
5802
5803        let message_editor = message_editor(&conversation_view, cx);
5804        message_editor.update_in(cx, |editor, window, cx| {
5805            editor.set_text("Original message to edit", window, cx)
5806        });
5807        active_thread(&conversation_view, cx)
5808            .update_in(cx, |view, window, cx| view.send(window, cx));
5809        cx.run_until_parked();
5810
5811        let user_message_editor = conversation_view.read_with(cx, |conversation_view, cx| {
5812            conversation_view
5813                .active_thread()
5814                .map(|active| &active.read(cx).entry_view_state)
5815                .as_ref()
5816                .unwrap()
5817                .read(cx)
5818                .entry(0)
5819                .expect("Should have at least one entry")
5820                .message_editor()
5821                .expect("Should have message editor")
5822                .clone()
5823        });
5824
5825        cx.focus(&user_message_editor);
5826        conversation_view.read_with(cx, |view, cx| {
5827            assert_eq!(
5828                view.active_thread()
5829                    .and_then(|active| active.read(cx).editing_message),
5830                Some(0)
5831            );
5832        });
5833
5834        // Ensure to edit the focused message before proceeding otherwise, since
5835        // its content is not different from what was sent, focus will be lost.
5836        user_message_editor.update_in(cx, |editor, window, cx| {
5837            editor.set_text("Original message to edit with ", window, cx)
5838        });
5839
5840        // Create a simple buffer with some text so we can create a selection
5841        // that will then be added to the message being edited.
5842        let (workspace, project) = conversation_view.read_with(cx, |conversation_view, _cx| {
5843            (
5844                conversation_view.workspace.clone(),
5845                conversation_view.project.clone(),
5846            )
5847        });
5848        let buffer = project.update(cx, |project, cx| {
5849            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5850        });
5851
5852        workspace
5853            .update_in(cx, |workspace, window, cx| {
5854                let editor = cx.new(|cx| {
5855                    let mut editor =
5856                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5857
5858                    editor.change_selections(Default::default(), window, cx, |selections| {
5859                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5860                    });
5861
5862                    editor
5863                });
5864                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5865            })
5866            .unwrap();
5867
5868        conversation_view.update_in(cx, |view, window, cx| {
5869            assert_eq!(
5870                view.active_thread()
5871                    .and_then(|active| active.read(cx).editing_message),
5872                Some(0)
5873            );
5874            view.insert_selections(window, cx);
5875        });
5876
5877        user_message_editor.read_with(cx, |editor, cx| {
5878            let text = editor.editor().read(cx).text(cx);
5879            let expected_text = String::from("Original message to edit with selection ");
5880
5881            assert_eq!(text, expected_text);
5882        });
5883    }
5884
5885    #[gpui::test]
5886    async fn test_insert_selections(cx: &mut TestAppContext) {
5887        init_test(cx);
5888
5889        let connection = StubAgentConnection::new();
5890        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5891            acp::ContentChunk::new("Response".into()),
5892        )]);
5893
5894        let (conversation_view, cx) =
5895            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5896        add_to_workspace(conversation_view.clone(), cx);
5897
5898        let message_editor = message_editor(&conversation_view, cx);
5899        message_editor.update_in(cx, |editor, window, cx| {
5900            editor.set_text("Can you review this snippet ", window, cx)
5901        });
5902
5903        // Create a simple buffer with some text so we can create a selection
5904        // that will then be added to the message being edited.
5905        let (workspace, project) = conversation_view.read_with(cx, |conversation_view, _cx| {
5906            (
5907                conversation_view.workspace.clone(),
5908                conversation_view.project.clone(),
5909            )
5910        });
5911        let buffer = project.update(cx, |project, cx| {
5912            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
5913        });
5914
5915        workspace
5916            .update_in(cx, |workspace, window, cx| {
5917                let editor = cx.new(|cx| {
5918                    let mut editor =
5919                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
5920
5921                    editor.change_selections(Default::default(), window, cx, |selections| {
5922                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
5923                    });
5924
5925                    editor
5926                });
5927                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
5928            })
5929            .unwrap();
5930
5931        conversation_view.update_in(cx, |view, window, cx| {
5932            assert_eq!(
5933                view.active_thread()
5934                    .and_then(|active| active.read(cx).editing_message),
5935                None
5936            );
5937            view.insert_selections(window, cx);
5938        });
5939
5940        message_editor.read_with(cx, |editor, cx| {
5941            let text = editor.text(cx);
5942            let expected_txt = String::from("Can you review this snippet selection ");
5943
5944            assert_eq!(text, expected_txt);
5945        })
5946    }
5947
5948    #[gpui::test]
5949    async fn test_tool_permission_buttons_terminal_with_pattern(cx: &mut TestAppContext) {
5950        init_test(cx);
5951
5952        let tool_call_id = acp::ToolCallId::new("terminal-1");
5953        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `cargo build --release`")
5954            .kind(acp::ToolKind::Edit);
5955
5956        let permission_options = ToolPermissionContext::new(
5957            TerminalTool::NAME,
5958            vec!["cargo build --release".to_string()],
5959        )
5960        .build_permission_options();
5961
5962        let connection =
5963            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5964                tool_call_id.clone(),
5965                permission_options,
5966            )]));
5967
5968        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5969
5970        let (conversation_view, cx) =
5971            setup_conversation_view(StubAgentServer::new(connection), cx).await;
5972
5973        // Disable notifications to avoid popup windows
5974        cx.update(|_window, cx| {
5975            AgentSettings::override_global(
5976                AgentSettings {
5977                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
5978                    ..AgentSettings::get_global(cx).clone()
5979                },
5980                cx,
5981            );
5982        });
5983
5984        let message_editor = message_editor(&conversation_view, cx);
5985        message_editor.update_in(cx, |editor, window, cx| {
5986            editor.set_text("Run cargo build", window, cx);
5987        });
5988
5989        active_thread(&conversation_view, cx)
5990            .update_in(cx, |view, window, cx| view.send(window, cx));
5991
5992        cx.run_until_parked();
5993
5994        // Verify the tool call is in WaitingForConfirmation state with the expected options
5995        conversation_view.read_with(cx, |conversation_view, cx| {
5996            let thread = conversation_view
5997                .active_thread()
5998                .expect("Thread should exist")
5999                .read(cx)
6000                .thread
6001                .clone();
6002            let thread = thread.read(cx);
6003
6004            let tool_call = thread.entries().iter().find_map(|entry| {
6005                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
6006                    Some(call)
6007                } else {
6008                    None
6009                }
6010            });
6011
6012            assert!(tool_call.is_some(), "Expected a tool call entry");
6013            let tool_call = tool_call.unwrap();
6014
6015            // Verify it's waiting for confirmation
6016            assert!(
6017                matches!(
6018                    tool_call.status,
6019                    acp_thread::ToolCallStatus::WaitingForConfirmation { .. }
6020                ),
6021                "Expected WaitingForConfirmation status, got {:?}",
6022                tool_call.status
6023            );
6024
6025            // Verify the options count (granularity options only, no separate Deny option)
6026            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
6027                &tool_call.status
6028            {
6029                let PermissionOptions::Dropdown(choices) = options else {
6030                    panic!("Expected dropdown permission options");
6031                };
6032
6033                assert_eq!(
6034                    choices.len(),
6035                    3,
6036                    "Expected 3 permission options (granularity only)"
6037                );
6038
6039                // Verify specific button labels (now using neutral names)
6040                let labels: Vec<&str> = choices
6041                    .iter()
6042                    .map(|choice| choice.allow.name.as_ref())
6043                    .collect();
6044                assert!(
6045                    labels.contains(&"Always for terminal"),
6046                    "Missing 'Always for terminal' option"
6047                );
6048                assert!(
6049                    labels.contains(&"Always for `cargo build` commands"),
6050                    "Missing pattern option"
6051                );
6052                assert!(
6053                    labels.contains(&"Only this time"),
6054                    "Missing 'Only this time' option"
6055                );
6056            }
6057        });
6058    }
6059
6060    #[gpui::test]
6061    async fn test_tool_permission_buttons_edit_file_with_path_pattern(cx: &mut TestAppContext) {
6062        init_test(cx);
6063
6064        let tool_call_id = acp::ToolCallId::new("edit-file-1");
6065        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Edit `src/main.rs`")
6066            .kind(acp::ToolKind::Edit);
6067
6068        let permission_options =
6069            ToolPermissionContext::new(EditFileTool::NAME, vec!["src/main.rs".to_string()])
6070                .build_permission_options();
6071
6072        let connection =
6073            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6074                tool_call_id.clone(),
6075                permission_options,
6076            )]));
6077
6078        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6079
6080        let (conversation_view, cx) =
6081            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6082
6083        // Disable notifications
6084        cx.update(|_window, cx| {
6085            AgentSettings::override_global(
6086                AgentSettings {
6087                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6088                    ..AgentSettings::get_global(cx).clone()
6089                },
6090                cx,
6091            );
6092        });
6093
6094        let message_editor = message_editor(&conversation_view, cx);
6095        message_editor.update_in(cx, |editor, window, cx| {
6096            editor.set_text("Edit the main file", window, cx);
6097        });
6098
6099        active_thread(&conversation_view, cx)
6100            .update_in(cx, |view, window, cx| view.send(window, cx));
6101
6102        cx.run_until_parked();
6103
6104        // Verify the options
6105        conversation_view.read_with(cx, |conversation_view, cx| {
6106            let thread = conversation_view
6107                .active_thread()
6108                .expect("Thread should exist")
6109                .read(cx)
6110                .thread
6111                .clone();
6112            let thread = thread.read(cx);
6113
6114            let tool_call = thread.entries().iter().find_map(|entry| {
6115                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
6116                    Some(call)
6117                } else {
6118                    None
6119                }
6120            });
6121
6122            assert!(tool_call.is_some(), "Expected a tool call entry");
6123            let tool_call = tool_call.unwrap();
6124
6125            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
6126                &tool_call.status
6127            {
6128                let PermissionOptions::Dropdown(choices) = options else {
6129                    panic!("Expected dropdown permission options");
6130                };
6131
6132                let labels: Vec<&str> = choices
6133                    .iter()
6134                    .map(|choice| choice.allow.name.as_ref())
6135                    .collect();
6136                assert!(
6137                    labels.contains(&"Always for edit file"),
6138                    "Missing 'Always for edit file' option"
6139                );
6140                assert!(
6141                    labels.contains(&"Always for `src/`"),
6142                    "Missing path pattern option"
6143                );
6144            } else {
6145                panic!("Expected WaitingForConfirmation status");
6146            }
6147        });
6148    }
6149
6150    #[gpui::test]
6151    async fn test_tool_permission_buttons_fetch_with_domain_pattern(cx: &mut TestAppContext) {
6152        init_test(cx);
6153
6154        let tool_call_id = acp::ToolCallId::new("fetch-1");
6155        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Fetch `https://docs.rs/gpui`")
6156            .kind(acp::ToolKind::Fetch);
6157
6158        let permission_options =
6159            ToolPermissionContext::new(FetchTool::NAME, vec!["https://docs.rs/gpui".to_string()])
6160                .build_permission_options();
6161
6162        let connection =
6163            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6164                tool_call_id.clone(),
6165                permission_options,
6166            )]));
6167
6168        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6169
6170        let (conversation_view, cx) =
6171            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6172
6173        // Disable notifications
6174        cx.update(|_window, cx| {
6175            AgentSettings::override_global(
6176                AgentSettings {
6177                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6178                    ..AgentSettings::get_global(cx).clone()
6179                },
6180                cx,
6181            );
6182        });
6183
6184        let message_editor = message_editor(&conversation_view, cx);
6185        message_editor.update_in(cx, |editor, window, cx| {
6186            editor.set_text("Fetch the docs", window, cx);
6187        });
6188
6189        active_thread(&conversation_view, cx)
6190            .update_in(cx, |view, window, cx| view.send(window, cx));
6191
6192        cx.run_until_parked();
6193
6194        // Verify the options
6195        conversation_view.read_with(cx, |conversation_view, cx| {
6196            let thread = conversation_view
6197                .active_thread()
6198                .expect("Thread should exist")
6199                .read(cx)
6200                .thread
6201                .clone();
6202            let thread = thread.read(cx);
6203
6204            let tool_call = thread.entries().iter().find_map(|entry| {
6205                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
6206                    Some(call)
6207                } else {
6208                    None
6209                }
6210            });
6211
6212            assert!(tool_call.is_some(), "Expected a tool call entry");
6213            let tool_call = tool_call.unwrap();
6214
6215            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
6216                &tool_call.status
6217            {
6218                let PermissionOptions::Dropdown(choices) = options else {
6219                    panic!("Expected dropdown permission options");
6220                };
6221
6222                let labels: Vec<&str> = choices
6223                    .iter()
6224                    .map(|choice| choice.allow.name.as_ref())
6225                    .collect();
6226                assert!(
6227                    labels.contains(&"Always for fetch"),
6228                    "Missing 'Always for fetch' option"
6229                );
6230                assert!(
6231                    labels.contains(&"Always for `docs.rs`"),
6232                    "Missing domain pattern option"
6233                );
6234            } else {
6235                panic!("Expected WaitingForConfirmation status");
6236            }
6237        });
6238    }
6239
6240    #[gpui::test]
6241    async fn test_tool_permission_buttons_without_pattern(cx: &mut TestAppContext) {
6242        init_test(cx);
6243
6244        let tool_call_id = acp::ToolCallId::new("terminal-no-pattern-1");
6245        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Run `./deploy.sh --production`")
6246            .kind(acp::ToolKind::Edit);
6247
6248        // No pattern button since ./deploy.sh doesn't match the alphanumeric pattern
6249        let permission_options = ToolPermissionContext::new(
6250            TerminalTool::NAME,
6251            vec!["./deploy.sh --production".to_string()],
6252        )
6253        .build_permission_options();
6254
6255        let connection =
6256            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6257                tool_call_id.clone(),
6258                permission_options,
6259            )]));
6260
6261        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6262
6263        let (conversation_view, cx) =
6264            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6265
6266        // Disable notifications
6267        cx.update(|_window, cx| {
6268            AgentSettings::override_global(
6269                AgentSettings {
6270                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6271                    ..AgentSettings::get_global(cx).clone()
6272                },
6273                cx,
6274            );
6275        });
6276
6277        let message_editor = message_editor(&conversation_view, cx);
6278        message_editor.update_in(cx, |editor, window, cx| {
6279            editor.set_text("Run the deploy script", window, cx);
6280        });
6281
6282        active_thread(&conversation_view, cx)
6283            .update_in(cx, |view, window, cx| view.send(window, cx));
6284
6285        cx.run_until_parked();
6286
6287        // Verify only 2 options (no pattern button when command doesn't match pattern)
6288        conversation_view.read_with(cx, |conversation_view, cx| {
6289            let thread = conversation_view
6290                .active_thread()
6291                .expect("Thread should exist")
6292                .read(cx)
6293                .thread
6294                .clone();
6295            let thread = thread.read(cx);
6296
6297            let tool_call = thread.entries().iter().find_map(|entry| {
6298                if let acp_thread::AgentThreadEntry::ToolCall(call) = entry {
6299                    Some(call)
6300                } else {
6301                    None
6302                }
6303            });
6304
6305            assert!(tool_call.is_some(), "Expected a tool call entry");
6306            let tool_call = tool_call.unwrap();
6307
6308            if let acp_thread::ToolCallStatus::WaitingForConfirmation { options, .. } =
6309                &tool_call.status
6310            {
6311                let PermissionOptions::Dropdown(choices) = options else {
6312                    panic!("Expected dropdown permission options");
6313                };
6314
6315                assert_eq!(
6316                    choices.len(),
6317                    2,
6318                    "Expected 2 permission options (no pattern option)"
6319                );
6320
6321                let labels: Vec<&str> = choices
6322                    .iter()
6323                    .map(|choice| choice.allow.name.as_ref())
6324                    .collect();
6325                assert!(
6326                    labels.contains(&"Always for terminal"),
6327                    "Missing 'Always for terminal' option"
6328                );
6329                assert!(
6330                    labels.contains(&"Only this time"),
6331                    "Missing 'Only this time' option"
6332                );
6333                // Should NOT contain a pattern option
6334                assert!(
6335                    !labels.iter().any(|l| l.contains("commands")),
6336                    "Should not have pattern option"
6337                );
6338            } else {
6339                panic!("Expected WaitingForConfirmation status");
6340            }
6341        });
6342    }
6343
6344    #[gpui::test]
6345    async fn test_authorize_tool_call_action_triggers_authorization(cx: &mut TestAppContext) {
6346        init_test(cx);
6347
6348        let tool_call_id = acp::ToolCallId::new("action-test-1");
6349        let tool_call =
6350            acp::ToolCall::new(tool_call_id.clone(), "Run `cargo test`").kind(acp::ToolKind::Edit);
6351
6352        let permission_options =
6353            ToolPermissionContext::new(TerminalTool::NAME, vec!["cargo test".to_string()])
6354                .build_permission_options();
6355
6356        let connection =
6357            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6358                tool_call_id.clone(),
6359                permission_options,
6360            )]));
6361
6362        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6363
6364        let (conversation_view, cx) =
6365            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6366        add_to_workspace(conversation_view.clone(), cx);
6367
6368        cx.update(|_window, cx| {
6369            AgentSettings::override_global(
6370                AgentSettings {
6371                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6372                    ..AgentSettings::get_global(cx).clone()
6373                },
6374                cx,
6375            );
6376        });
6377
6378        let message_editor = message_editor(&conversation_view, cx);
6379        message_editor.update_in(cx, |editor, window, cx| {
6380            editor.set_text("Run tests", window, cx);
6381        });
6382
6383        active_thread(&conversation_view, cx)
6384            .update_in(cx, |view, window, cx| view.send(window, cx));
6385
6386        cx.run_until_parked();
6387
6388        // Verify tool call is waiting for confirmation
6389        conversation_view.read_with(cx, |conversation_view, cx| {
6390            let tool_call = conversation_view.pending_tool_call(cx);
6391            assert!(
6392                tool_call.is_some(),
6393                "Expected a tool call waiting for confirmation"
6394            );
6395        });
6396
6397        // Dispatch the AuthorizeToolCall action (simulating dropdown menu selection)
6398        conversation_view.update_in(cx, |_, window, cx| {
6399            window.dispatch_action(
6400                crate::AuthorizeToolCall {
6401                    tool_call_id: "action-test-1".to_string(),
6402                    option_id: "allow".to_string(),
6403                    option_kind: "AllowOnce".to_string(),
6404                }
6405                .boxed_clone(),
6406                cx,
6407            );
6408        });
6409
6410        cx.run_until_parked();
6411
6412        // Verify tool call is no longer waiting for confirmation (was authorized)
6413        conversation_view.read_with(cx, |conversation_view, cx| {
6414            let tool_call = conversation_view.pending_tool_call(cx);
6415            assert!(
6416                tool_call.is_none(),
6417                "Tool call should no longer be waiting for confirmation after AuthorizeToolCall action"
6418            );
6419        });
6420    }
6421
6422    #[gpui::test]
6423    async fn test_authorize_tool_call_action_with_pattern_option(cx: &mut TestAppContext) {
6424        init_test(cx);
6425
6426        let tool_call_id = acp::ToolCallId::new("pattern-action-test-1");
6427        let tool_call =
6428            acp::ToolCall::new(tool_call_id.clone(), "Run `npm install`").kind(acp::ToolKind::Edit);
6429
6430        let permission_options =
6431            ToolPermissionContext::new(TerminalTool::NAME, vec!["npm install".to_string()])
6432                .build_permission_options();
6433
6434        let connection =
6435            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6436                tool_call_id.clone(),
6437                permission_options.clone(),
6438            )]));
6439
6440        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6441
6442        let (conversation_view, cx) =
6443            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6444        add_to_workspace(conversation_view.clone(), cx);
6445
6446        cx.update(|_window, cx| {
6447            AgentSettings::override_global(
6448                AgentSettings {
6449                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6450                    ..AgentSettings::get_global(cx).clone()
6451                },
6452                cx,
6453            );
6454        });
6455
6456        let message_editor = message_editor(&conversation_view, cx);
6457        message_editor.update_in(cx, |editor, window, cx| {
6458            editor.set_text("Install dependencies", window, cx);
6459        });
6460
6461        active_thread(&conversation_view, cx)
6462            .update_in(cx, |view, window, cx| view.send(window, cx));
6463
6464        cx.run_until_parked();
6465
6466        // Find the pattern option ID (the choice with non-empty sub_patterns)
6467        let pattern_option = match &permission_options {
6468            PermissionOptions::Dropdown(choices) => choices
6469                .iter()
6470                .find(|choice| !choice.sub_patterns.is_empty())
6471                .map(|choice| &choice.allow)
6472                .expect("Should have a pattern option for npm command"),
6473            _ => panic!("Expected dropdown permission options"),
6474        };
6475
6476        // Dispatch action with the pattern option (simulating "Always allow `npm` commands")
6477        conversation_view.update_in(cx, |_, window, cx| {
6478            window.dispatch_action(
6479                crate::AuthorizeToolCall {
6480                    tool_call_id: "pattern-action-test-1".to_string(),
6481                    option_id: pattern_option.option_id.0.to_string(),
6482                    option_kind: "AllowAlways".to_string(),
6483                }
6484                .boxed_clone(),
6485                cx,
6486            );
6487        });
6488
6489        cx.run_until_parked();
6490
6491        // Verify tool call was authorized
6492        conversation_view.read_with(cx, |conversation_view, cx| {
6493            let tool_call = conversation_view.pending_tool_call(cx);
6494            assert!(
6495                tool_call.is_none(),
6496                "Tool call should be authorized after selecting pattern option"
6497            );
6498        });
6499    }
6500
6501    #[gpui::test]
6502    async fn test_granularity_selection_updates_state(cx: &mut TestAppContext) {
6503        init_test(cx);
6504
6505        let tool_call_id = acp::ToolCallId::new("granularity-test-1");
6506        let tool_call =
6507            acp::ToolCall::new(tool_call_id.clone(), "Run `cargo build`").kind(acp::ToolKind::Edit);
6508
6509        let permission_options =
6510            ToolPermissionContext::new(TerminalTool::NAME, vec!["cargo build".to_string()])
6511                .build_permission_options();
6512
6513        let connection =
6514            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6515                tool_call_id.clone(),
6516                permission_options.clone(),
6517            )]));
6518
6519        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6520
6521        let (thread_view, cx) = setup_conversation_view(StubAgentServer::new(connection), cx).await;
6522        add_to_workspace(thread_view.clone(), cx);
6523
6524        cx.update(|_window, cx| {
6525            AgentSettings::override_global(
6526                AgentSettings {
6527                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6528                    ..AgentSettings::get_global(cx).clone()
6529                },
6530                cx,
6531            );
6532        });
6533
6534        let message_editor = message_editor(&thread_view, cx);
6535        message_editor.update_in(cx, |editor, window, cx| {
6536            editor.set_text("Build the project", window, cx);
6537        });
6538
6539        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
6540
6541        cx.run_until_parked();
6542
6543        // Verify default granularity is the last option (index 2 = "Only this time")
6544        thread_view.read_with(cx, |thread_view, cx| {
6545            let state = thread_view.active_thread().unwrap();
6546            let selected = state.read(cx).permission_selections.get(&tool_call_id);
6547            assert!(
6548                selected.is_none(),
6549                "Should have no selection initially (defaults to last)"
6550            );
6551        });
6552
6553        // Select the first option (index 0 = "Always for terminal")
6554        thread_view.update_in(cx, |_, window, cx| {
6555            window.dispatch_action(
6556                crate::SelectPermissionGranularity {
6557                    tool_call_id: "granularity-test-1".to_string(),
6558                    index: 0,
6559                }
6560                .boxed_clone(),
6561                cx,
6562            );
6563        });
6564
6565        cx.run_until_parked();
6566
6567        // Verify the selection was updated
6568        thread_view.read_with(cx, |thread_view, cx| {
6569            let state = thread_view.active_thread().unwrap();
6570            let selected = state.read(cx).permission_selections.get(&tool_call_id);
6571            assert_eq!(
6572                selected.and_then(|s| s.choice_index()),
6573                Some(0),
6574                "Should have selected index 0"
6575            );
6576        });
6577    }
6578
6579    #[gpui::test]
6580    async fn test_allow_button_uses_selected_granularity(cx: &mut TestAppContext) {
6581        init_test(cx);
6582
6583        let tool_call_id = acp::ToolCallId::new("allow-granularity-test-1");
6584        let tool_call =
6585            acp::ToolCall::new(tool_call_id.clone(), "Run `npm install`").kind(acp::ToolKind::Edit);
6586
6587        let permission_options =
6588            ToolPermissionContext::new(TerminalTool::NAME, vec!["npm install".to_string()])
6589                .build_permission_options();
6590
6591        // Verify we have the expected options
6592        let PermissionOptions::Dropdown(choices) = &permission_options else {
6593            panic!("Expected dropdown permission options");
6594        };
6595
6596        assert_eq!(choices.len(), 3);
6597        assert!(
6598            choices[0]
6599                .allow
6600                .option_id
6601                .0
6602                .contains("always_allow:terminal")
6603        );
6604        assert!(
6605            choices[1]
6606                .allow
6607                .option_id
6608                .0
6609                .contains("always_allow:terminal")
6610        );
6611        assert!(!choices[1].sub_patterns.is_empty());
6612        assert_eq!(choices[2].allow.option_id.0.as_ref(), "allow");
6613
6614        let connection =
6615            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6616                tool_call_id.clone(),
6617                permission_options.clone(),
6618            )]));
6619
6620        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6621
6622        let (thread_view, cx) = setup_conversation_view(StubAgentServer::new(connection), cx).await;
6623        add_to_workspace(thread_view.clone(), cx);
6624
6625        cx.update(|_window, cx| {
6626            AgentSettings::override_global(
6627                AgentSettings {
6628                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6629                    ..AgentSettings::get_global(cx).clone()
6630                },
6631                cx,
6632            );
6633        });
6634
6635        let message_editor = message_editor(&thread_view, cx);
6636        message_editor.update_in(cx, |editor, window, cx| {
6637            editor.set_text("Install dependencies", window, cx);
6638        });
6639
6640        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| view.send(window, cx));
6641
6642        cx.run_until_parked();
6643
6644        // Select the pattern option (index 1 = "Always for `npm` commands")
6645        thread_view.update_in(cx, |_, window, cx| {
6646            window.dispatch_action(
6647                crate::SelectPermissionGranularity {
6648                    tool_call_id: "allow-granularity-test-1".to_string(),
6649                    index: 1,
6650                }
6651                .boxed_clone(),
6652                cx,
6653            );
6654        });
6655
6656        cx.run_until_parked();
6657
6658        // Simulate clicking the Allow button by dispatching AllowOnce action
6659        // which should use the selected granularity
6660        active_thread(&thread_view, cx).update_in(cx, |view, window, cx| {
6661            view.allow_once(&AllowOnce, window, cx)
6662        });
6663
6664        cx.run_until_parked();
6665
6666        // Verify tool call was authorized
6667        thread_view.read_with(cx, |thread_view, cx| {
6668            let tool_call = thread_view.pending_tool_call(cx);
6669            assert!(
6670                tool_call.is_none(),
6671                "Tool call should be authorized after Allow with pattern granularity"
6672            );
6673        });
6674    }
6675
6676    #[gpui::test]
6677    async fn test_deny_button_uses_selected_granularity(cx: &mut TestAppContext) {
6678        init_test(cx);
6679
6680        let tool_call_id = acp::ToolCallId::new("deny-granularity-test-1");
6681        let tool_call =
6682            acp::ToolCall::new(tool_call_id.clone(), "Run `git push`").kind(acp::ToolKind::Edit);
6683
6684        let permission_options =
6685            ToolPermissionContext::new(TerminalTool::NAME, vec!["git push".to_string()])
6686                .build_permission_options();
6687
6688        let connection =
6689            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6690                tool_call_id.clone(),
6691                permission_options.clone(),
6692            )]));
6693
6694        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6695
6696        let (conversation_view, cx) =
6697            setup_conversation_view(StubAgentServer::new(connection), cx).await;
6698        add_to_workspace(conversation_view.clone(), cx);
6699
6700        cx.update(|_window, cx| {
6701            AgentSettings::override_global(
6702                AgentSettings {
6703                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6704                    ..AgentSettings::get_global(cx).clone()
6705                },
6706                cx,
6707            );
6708        });
6709
6710        let message_editor = message_editor(&conversation_view, cx);
6711        message_editor.update_in(cx, |editor, window, cx| {
6712            editor.set_text("Push changes", window, cx);
6713        });
6714
6715        active_thread(&conversation_view, cx)
6716            .update_in(cx, |view, window, cx| view.send(window, cx));
6717
6718        cx.run_until_parked();
6719
6720        // Use default granularity (last option = "Only this time")
6721        // Simulate clicking the Deny button
6722        active_thread(&conversation_view, cx).update_in(cx, |view, window, cx| {
6723            view.reject_once(&RejectOnce, window, cx)
6724        });
6725
6726        cx.run_until_parked();
6727
6728        // Verify tool call was rejected (no longer waiting for confirmation)
6729        conversation_view.read_with(cx, |conversation_view, cx| {
6730            let tool_call = conversation_view.pending_tool_call(cx);
6731            assert!(
6732                tool_call.is_none(),
6733                "Tool call should be rejected after Deny"
6734            );
6735        });
6736    }
6737
6738    #[gpui::test]
6739    async fn test_option_id_transformation_for_allow() {
6740        let permission_options = ToolPermissionContext::new(
6741            TerminalTool::NAME,
6742            vec!["cargo build --release".to_string()],
6743        )
6744        .build_permission_options();
6745
6746        let PermissionOptions::Dropdown(choices) = permission_options else {
6747            panic!("Expected dropdown permission options");
6748        };
6749
6750        let allow_ids: Vec<String> = choices
6751            .iter()
6752            .map(|choice| choice.allow.option_id.0.to_string())
6753            .collect();
6754
6755        assert!(allow_ids.contains(&"allow".to_string()));
6756        assert_eq!(
6757            allow_ids
6758                .iter()
6759                .filter(|id| *id == "always_allow:terminal")
6760                .count(),
6761            2,
6762            "Expected two always_allow:terminal IDs (one whole-tool, one pattern with sub_patterns)"
6763        );
6764    }
6765
6766    #[gpui::test]
6767    async fn test_option_id_transformation_for_deny() {
6768        let permission_options = ToolPermissionContext::new(
6769            TerminalTool::NAME,
6770            vec!["cargo build --release".to_string()],
6771        )
6772        .build_permission_options();
6773
6774        let PermissionOptions::Dropdown(choices) = permission_options else {
6775            panic!("Expected dropdown permission options");
6776        };
6777
6778        let deny_ids: Vec<String> = choices
6779            .iter()
6780            .map(|choice| choice.deny.option_id.0.to_string())
6781            .collect();
6782
6783        assert!(deny_ids.contains(&"deny".to_string()));
6784        assert_eq!(
6785            deny_ids
6786                .iter()
6787                .filter(|id| *id == "always_deny:terminal")
6788                .count(),
6789            2,
6790            "Expected two always_deny:terminal IDs (one whole-tool, one pattern with sub_patterns)"
6791        );
6792    }
6793
6794    #[gpui::test]
6795    async fn test_manually_editing_title_updates_acp_thread_title(cx: &mut TestAppContext) {
6796        init_test(cx);
6797
6798        let (conversation_view, cx) =
6799            setup_conversation_view(StubAgentServer::default_response(), cx).await;
6800        add_to_workspace(conversation_view.clone(), cx);
6801
6802        let active = active_thread(&conversation_view, cx);
6803        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6804        let thread = cx.read(|cx| active.read(cx).thread.clone());
6805
6806        title_editor.read_with(cx, |editor, cx| {
6807            assert!(!editor.read_only(cx));
6808        });
6809
6810        cx.focus(&conversation_view);
6811        cx.focus(&title_editor);
6812
6813        cx.dispatch_action(editor::actions::DeleteLine);
6814        cx.simulate_input("My Custom Title");
6815
6816        cx.run_until_parked();
6817
6818        title_editor.read_with(cx, |editor, cx| {
6819            assert_eq!(editor.text(cx), "My Custom Title");
6820        });
6821        thread.read_with(cx, |thread, _cx| {
6822            assert_eq!(thread.title(), Some("My Custom Title".into()));
6823        });
6824    }
6825
6826    #[gpui::test]
6827    async fn test_title_editor_is_read_only_when_set_title_unsupported(cx: &mut TestAppContext) {
6828        init_test(cx);
6829
6830        let (conversation_view, cx) =
6831            setup_conversation_view(StubAgentServer::new(ResumeOnlyAgentConnection), cx).await;
6832
6833        let active = active_thread(&conversation_view, cx);
6834        let title_editor = cx.read(|cx| active.read(cx).title_editor.clone());
6835
6836        title_editor.read_with(cx, |editor, cx| {
6837            assert!(
6838                editor.read_only(cx),
6839                "Title editor should be read-only when the connection does not support set_title"
6840            );
6841        });
6842    }
6843
6844    #[gpui::test]
6845    async fn test_max_tokens_error_is_rendered(cx: &mut TestAppContext) {
6846        init_test(cx);
6847
6848        let connection = StubAgentConnection::new();
6849
6850        let (conversation_view, cx) =
6851            setup_conversation_view(StubAgentServer::new(connection.clone()), cx).await;
6852
6853        let message_editor = message_editor(&conversation_view, cx);
6854        message_editor.update_in(cx, |editor, window, cx| {
6855            editor.set_text("Some prompt", window, cx);
6856        });
6857        active_thread(&conversation_view, cx)
6858            .update_in(cx, |view, window, cx| view.send(window, cx));
6859
6860        let session_id = conversation_view.read_with(cx, |view, cx| {
6861            view.active_thread()
6862                .unwrap()
6863                .read(cx)
6864                .thread
6865                .read(cx)
6866                .session_id()
6867                .clone()
6868        });
6869
6870        cx.run_until_parked();
6871
6872        cx.update(|_, _cx| {
6873            connection.end_turn(session_id, acp::StopReason::MaxTokens);
6874        });
6875
6876        cx.run_until_parked();
6877
6878        conversation_view.read_with(cx, |conversation_view, cx| {
6879            let state = conversation_view.active_thread().unwrap();
6880            let error = &state.read(cx).thread_error;
6881            assert!(
6882                matches!(error, Some(ThreadError::MaxOutputTokens)),
6883                "Expected ThreadError::MaxOutputTokens, got: {:?}",
6884                error.is_some()
6885            );
6886        });
6887    }
6888
6889    fn create_test_acp_thread(
6890        parent_session_id: Option<acp::SessionId>,
6891        session_id: &str,
6892        connection: Rc<dyn AgentConnection>,
6893        project: Entity<Project>,
6894        cx: &mut App,
6895    ) -> Entity<AcpThread> {
6896        let action_log = cx.new(|_| ActionLog::new(project.clone()));
6897        cx.new(|cx| {
6898            AcpThread::new(
6899                parent_session_id,
6900                None,
6901                None,
6902                connection,
6903                project,
6904                action_log,
6905                acp::SessionId::new(session_id),
6906                watch::Receiver::constant(acp::PromptCapabilities::new()),
6907                cx,
6908            )
6909        })
6910    }
6911
6912    fn request_test_tool_authorization(
6913        thread: &Entity<AcpThread>,
6914        tool_call_id: &str,
6915        option_id: &str,
6916        cx: &mut TestAppContext,
6917    ) -> Task<acp_thread::RequestPermissionOutcome> {
6918        let tool_call_id = acp::ToolCallId::new(tool_call_id);
6919        let label = format!("Tool {tool_call_id}");
6920        let option_id = acp::PermissionOptionId::new(option_id);
6921        cx.update(|cx| {
6922            thread.update(cx, |thread, cx| {
6923                thread
6924                    .request_tool_call_authorization(
6925                        acp::ToolCall::new(tool_call_id, label)
6926                            .kind(acp::ToolKind::Edit)
6927                            .into(),
6928                        PermissionOptions::Flat(vec![acp::PermissionOption::new(
6929                            option_id,
6930                            "Allow",
6931                            acp::PermissionOptionKind::AllowOnce,
6932                        )]),
6933                        cx,
6934                    )
6935                    .unwrap()
6936            })
6937        })
6938    }
6939
6940    #[gpui::test]
6941    async fn test_conversation_multiple_tool_calls_fifo_ordering(cx: &mut TestAppContext) {
6942        init_test(cx);
6943
6944        let fs = FakeFs::new(cx.executor());
6945        let project = Project::test(fs, [], cx).await;
6946        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
6947
6948        let session_id = acp::SessionId::new("session-1");
6949        let (thread, conversation) = cx.update(|cx| {
6950            let thread =
6951                create_test_acp_thread(None, "session-1", connection.clone(), project.clone(), cx);
6952            let conversation = cx.new(|cx| {
6953                let mut conversation = Conversation::default();
6954                conversation.register_thread(thread.clone(), cx);
6955                conversation
6956            });
6957            (thread, conversation)
6958        });
6959
6960        let _task1 = request_test_tool_authorization(&thread, "tc-1", "allow-1", cx);
6961        let _task2 = request_test_tool_authorization(&thread, "tc-2", "allow-2", cx);
6962
6963        cx.read(|cx| {
6964            let (_, tool_call_id, _) = conversation
6965                .read(cx)
6966                .pending_tool_call(&session_id, cx)
6967                .expect("Expected a pending tool call");
6968            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-1"));
6969        });
6970
6971        cx.update(|cx| {
6972            conversation.update(cx, |conversation, cx| {
6973                conversation.authorize_tool_call(
6974                    session_id.clone(),
6975                    acp::ToolCallId::new("tc-1"),
6976                    SelectedPermissionOutcome::new(
6977                        acp::PermissionOptionId::new("allow-1"),
6978                        acp::PermissionOptionKind::AllowOnce,
6979                    ),
6980                    cx,
6981                );
6982            });
6983        });
6984
6985        cx.run_until_parked();
6986
6987        cx.read(|cx| {
6988            let (_, tool_call_id, _) = conversation
6989                .read(cx)
6990                .pending_tool_call(&session_id, cx)
6991                .expect("Expected tc-2 to be pending after tc-1 was authorized");
6992            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-2"));
6993        });
6994
6995        cx.update(|cx| {
6996            conversation.update(cx, |conversation, cx| {
6997                conversation.authorize_tool_call(
6998                    session_id.clone(),
6999                    acp::ToolCallId::new("tc-2"),
7000                    SelectedPermissionOutcome::new(
7001                        acp::PermissionOptionId::new("allow-2"),
7002                        acp::PermissionOptionKind::AllowOnce,
7003                    ),
7004                    cx,
7005                );
7006            });
7007        });
7008
7009        cx.run_until_parked();
7010
7011        cx.read(|cx| {
7012            assert!(
7013                conversation
7014                    .read(cx)
7015                    .pending_tool_call(&session_id, cx)
7016                    .is_none(),
7017                "Expected no pending tool calls after both were authorized"
7018            );
7019        });
7020    }
7021
7022    #[gpui::test]
7023    async fn test_conversation_subagent_scoped_pending_tool_call(cx: &mut TestAppContext) {
7024        init_test(cx);
7025
7026        let fs = FakeFs::new(cx.executor());
7027        let project = Project::test(fs, [], cx).await;
7028        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
7029
7030        let parent_session_id = acp::SessionId::new("parent");
7031        let subagent_session_id = acp::SessionId::new("subagent");
7032        let (parent_thread, subagent_thread, conversation) = cx.update(|cx| {
7033            let parent_thread =
7034                create_test_acp_thread(None, "parent", connection.clone(), project.clone(), cx);
7035            let subagent_thread = create_test_acp_thread(
7036                Some(acp::SessionId::new("parent")),
7037                "subagent",
7038                connection.clone(),
7039                project.clone(),
7040                cx,
7041            );
7042            let conversation = cx.new(|cx| {
7043                let mut conversation = Conversation::default();
7044                conversation.register_thread(parent_thread.clone(), cx);
7045                conversation.register_thread(subagent_thread.clone(), cx);
7046                conversation
7047            });
7048            (parent_thread, subagent_thread, conversation)
7049        });
7050
7051        let _parent_task =
7052            request_test_tool_authorization(&parent_thread, "parent-tc", "allow-parent", cx);
7053        let _subagent_task =
7054            request_test_tool_authorization(&subagent_thread, "subagent-tc", "allow-subagent", cx);
7055
7056        // Querying with the subagent's session ID returns only the
7057        // subagent's own tool call (subagent path is scoped to its session)
7058        cx.read(|cx| {
7059            let (returned_session_id, tool_call_id, _) = conversation
7060                .read(cx)
7061                .pending_tool_call(&subagent_session_id, cx)
7062                .expect("Expected subagent's pending tool call");
7063            assert_eq!(returned_session_id, subagent_session_id);
7064            assert_eq!(tool_call_id, acp::ToolCallId::new("subagent-tc"));
7065        });
7066
7067        // Querying with the parent's session ID returns the first pending
7068        // request in FIFO order across all sessions
7069        cx.read(|cx| {
7070            let (returned_session_id, tool_call_id, _) = conversation
7071                .read(cx)
7072                .pending_tool_call(&parent_session_id, cx)
7073                .expect("Expected a pending tool call from parent query");
7074            assert_eq!(returned_session_id, parent_session_id);
7075            assert_eq!(tool_call_id, acp::ToolCallId::new("parent-tc"));
7076        });
7077    }
7078
7079    #[gpui::test]
7080    async fn test_conversation_parent_pending_tool_call_returns_first_across_threads(
7081        cx: &mut TestAppContext,
7082    ) {
7083        init_test(cx);
7084
7085        let fs = FakeFs::new(cx.executor());
7086        let project = Project::test(fs, [], cx).await;
7087        let connection: Rc<dyn AgentConnection> = Rc::new(StubAgentConnection::new());
7088
7089        let session_id_a = acp::SessionId::new("thread-a");
7090        let session_id_b = acp::SessionId::new("thread-b");
7091        let (thread_a, thread_b, conversation) = cx.update(|cx| {
7092            let thread_a =
7093                create_test_acp_thread(None, "thread-a", connection.clone(), project.clone(), cx);
7094            let thread_b =
7095                create_test_acp_thread(None, "thread-b", connection.clone(), project.clone(), cx);
7096            let conversation = cx.new(|cx| {
7097                let mut conversation = Conversation::default();
7098                conversation.register_thread(thread_a.clone(), cx);
7099                conversation.register_thread(thread_b.clone(), cx);
7100                conversation
7101            });
7102            (thread_a, thread_b, conversation)
7103        });
7104
7105        let _task_a = request_test_tool_authorization(&thread_a, "tc-a", "allow-a", cx);
7106        let _task_b = request_test_tool_authorization(&thread_b, "tc-b", "allow-b", cx);
7107
7108        // Both threads are non-subagent, so pending_tool_call always returns
7109        // the first entry from permission_requests (FIFO across all sessions)
7110        cx.read(|cx| {
7111            let (returned_session_id, tool_call_id, _) = conversation
7112                .read(cx)
7113                .pending_tool_call(&session_id_a, cx)
7114                .expect("Expected a pending tool call");
7115            assert_eq!(returned_session_id, session_id_a);
7116            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
7117        });
7118
7119        // Querying with thread-b also returns thread-a's tool call,
7120        // because non-subagent queries always use permission_requests.first()
7121        cx.read(|cx| {
7122            let (returned_session_id, tool_call_id, _) = conversation
7123                .read(cx)
7124                .pending_tool_call(&session_id_b, cx)
7125                .expect("Expected a pending tool call from thread-b query");
7126            assert_eq!(
7127                returned_session_id, session_id_a,
7128                "Non-subagent queries always return the first pending request in FIFO order"
7129            );
7130            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-a"));
7131        });
7132
7133        // After authorizing thread-a's tool call, thread-b's becomes first
7134        cx.update(|cx| {
7135            conversation.update(cx, |conversation, cx| {
7136                conversation.authorize_tool_call(
7137                    session_id_a.clone(),
7138                    acp::ToolCallId::new("tc-a"),
7139                    SelectedPermissionOutcome::new(
7140                        acp::PermissionOptionId::new("allow-a"),
7141                        acp::PermissionOptionKind::AllowOnce,
7142                    ),
7143                    cx,
7144                );
7145            });
7146        });
7147
7148        cx.run_until_parked();
7149
7150        cx.read(|cx| {
7151            let (returned_session_id, tool_call_id, _) = conversation
7152                .read(cx)
7153                .pending_tool_call(&session_id_b, cx)
7154                .expect("Expected thread-b's tool call after thread-a's was authorized");
7155            assert_eq!(returned_session_id, session_id_b);
7156            assert_eq!(tool_call_id, acp::ToolCallId::new("tc-b"));
7157        });
7158    }
7159
7160    #[gpui::test]
7161    async fn test_move_queued_message_to_empty_main_editor(cx: &mut TestAppContext) {
7162        init_test(cx);
7163
7164        let (conversation_view, cx) =
7165            setup_conversation_view(StubAgentServer::default_response(), cx).await;
7166
7167        // Add a plain-text message to the queue directly.
7168        active_thread(&conversation_view, cx).update_in(cx, |thread, window, cx| {
7169            thread.add_to_queue(
7170                vec![acp::ContentBlock::Text(acp::TextContent::new(
7171                    "queued message".to_string(),
7172                ))],
7173                vec![],
7174                cx,
7175            );
7176            // Main editor must be empty for this path — it is by default, but
7177            // assert to make the precondition explicit.
7178            assert!(thread.message_editor.read(cx).is_empty(cx));
7179            thread.move_queued_message_to_main_editor(0, None, None, window, cx);
7180        });
7181
7182        cx.run_until_parked();
7183
7184        // Queue should now be empty.
7185        let queue_len = active_thread(&conversation_view, cx)
7186            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
7187        assert_eq!(queue_len, 0, "Queue should be empty after move");
7188
7189        // Main editor should contain the queued message text.
7190        let text = message_editor(&conversation_view, cx).update(cx, |editor, cx| editor.text(cx));
7191        assert_eq!(
7192            text, "queued message",
7193            "Main editor should contain the moved queued message"
7194        );
7195    }
7196
7197    #[gpui::test]
7198    async fn test_move_queued_message_to_non_empty_main_editor(cx: &mut TestAppContext) {
7199        init_test(cx);
7200
7201        let (conversation_view, cx) =
7202            setup_conversation_view(StubAgentServer::default_response(), cx).await;
7203
7204        // Seed the main editor with existing content.
7205        message_editor(&conversation_view, cx).update_in(cx, |editor, window, cx| {
7206            editor.set_message(
7207                vec![acp::ContentBlock::Text(acp::TextContent::new(
7208                    "existing content".to_string(),
7209                ))],
7210                window,
7211                cx,
7212            );
7213        });
7214
7215        // Add a plain-text message to the queue.
7216        active_thread(&conversation_view, cx).update_in(cx, |thread, window, cx| {
7217            thread.add_to_queue(
7218                vec![acp::ContentBlock::Text(acp::TextContent::new(
7219                    "queued message".to_string(),
7220                ))],
7221                vec![],
7222                cx,
7223            );
7224            thread.move_queued_message_to_main_editor(0, None, None, window, cx);
7225        });
7226
7227        cx.run_until_parked();
7228
7229        // Queue should now be empty.
7230        let queue_len = active_thread(&conversation_view, cx)
7231            .read_with(cx, |thread, _cx| thread.local_queued_messages.len());
7232        assert_eq!(queue_len, 0, "Queue should be empty after move");
7233
7234        // Main editor should contain existing content + separator + queued content.
7235        let text = message_editor(&conversation_view, cx).update(cx, |editor, cx| editor.text(cx));
7236        assert_eq!(
7237            text, "existing content\n\nqueued message",
7238            "Main editor should have existing content and queued message separated by two newlines"
7239        );
7240    }
7241
7242    #[gpui::test]
7243    async fn test_close_all_sessions_skips_when_unsupported(cx: &mut TestAppContext) {
7244        init_test(cx);
7245
7246        let fs = FakeFs::new(cx.executor());
7247        let project = Project::test(fs, [], cx).await;
7248        let (multi_workspace, cx) =
7249            cx.add_window_view(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
7250        let workspace = multi_workspace.read_with(cx, |mw, _| mw.workspace().clone());
7251
7252        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
7253        let connection_store =
7254            cx.update(|_window, cx| cx.new(|cx| AgentConnectionStore::new(project.clone(), cx)));
7255
7256        // StubAgentConnection defaults to supports_close_session() -> false
7257        let conversation_view = cx.update(|window, cx| {
7258            cx.new(|cx| {
7259                ConversationView::new(
7260                    Rc::new(StubAgentServer::default_response()),
7261                    connection_store,
7262                    Agent::Custom { id: "Test".into() },
7263                    None,
7264                    None,
7265                    None,
7266                    None,
7267                    None,
7268                    workspace.downgrade(),
7269                    project,
7270                    Some(thread_store),
7271                    None,
7272                    "agent_panel",
7273                    window,
7274                    cx,
7275                )
7276            })
7277        });
7278
7279        cx.run_until_parked();
7280
7281        conversation_view.read_with(cx, |view, _cx| {
7282            let connected = view.as_connected().expect("Should be connected");
7283            assert!(
7284                !connected.threads.is_empty(),
7285                "There should be at least one thread"
7286            );
7287            assert!(
7288                !connected.connection.supports_close_session(),
7289                "StubAgentConnection should not support close"
7290            );
7291        });
7292
7293        conversation_view
7294            .update(cx, |view, cx| {
7295                view.as_connected()
7296                    .expect("Should be connected")
7297                    .close_all_sessions(cx)
7298            })
7299            .await;
7300    }
7301
7302    #[gpui::test]
7303    async fn test_close_all_sessions_calls_close_when_supported(cx: &mut TestAppContext) {
7304        init_test(cx);
7305
7306        let (conversation_view, cx) =
7307            setup_conversation_view(StubAgentServer::new(CloseCapableConnection::new()), cx).await;
7308
7309        cx.run_until_parked();
7310
7311        let close_capable = conversation_view.read_with(cx, |view, _cx| {
7312            let connected = view.as_connected().expect("Should be connected");
7313            assert!(
7314                !connected.threads.is_empty(),
7315                "There should be at least one thread"
7316            );
7317            assert!(
7318                connected.connection.supports_close_session(),
7319                "CloseCapableConnection should support close"
7320            );
7321            connected
7322                .connection
7323                .clone()
7324                .into_any()
7325                .downcast::<CloseCapableConnection>()
7326                .expect("Should be CloseCapableConnection")
7327        });
7328
7329        conversation_view
7330            .update(cx, |view, cx| {
7331                view.as_connected()
7332                    .expect("Should be connected")
7333                    .close_all_sessions(cx)
7334            })
7335            .await;
7336
7337        let closed_count = close_capable.closed_sessions.lock().len();
7338        assert!(
7339            closed_count > 0,
7340            "close_session should have been called for each thread"
7341        );
7342    }
7343
7344    #[gpui::test]
7345    async fn test_close_session_returns_error_when_unsupported(cx: &mut TestAppContext) {
7346        init_test(cx);
7347
7348        let (conversation_view, cx) =
7349            setup_conversation_view(StubAgentServer::default_response(), cx).await;
7350
7351        cx.run_until_parked();
7352
7353        let result = conversation_view
7354            .update(cx, |view, cx| {
7355                let connected = view.as_connected().expect("Should be connected");
7356                assert!(
7357                    !connected.connection.supports_close_session(),
7358                    "StubAgentConnection should not support close"
7359                );
7360                let thread_view = connected
7361                    .threads
7362                    .values()
7363                    .next()
7364                    .expect("Should have at least one thread");
7365                let session_id = thread_view.read(cx).thread.read(cx).session_id().clone();
7366                connected.connection.clone().close_session(&session_id, cx)
7367            })
7368            .await;
7369
7370        assert!(
7371            result.is_err(),
7372            "close_session should return an error when close is not supported"
7373        );
7374        assert!(
7375            result.unwrap_err().to_string().contains("not supported"),
7376            "Error message should indicate that closing is not supported"
7377        );
7378    }
7379
7380    #[derive(Clone)]
7381    struct CloseCapableConnection {
7382        closed_sessions: Arc<Mutex<Vec<acp::SessionId>>>,
7383    }
7384
7385    impl CloseCapableConnection {
7386        fn new() -> Self {
7387            Self {
7388                closed_sessions: Arc::new(Mutex::new(Vec::new())),
7389            }
7390        }
7391    }
7392
7393    impl AgentConnection for CloseCapableConnection {
7394        fn agent_id(&self) -> AgentId {
7395            AgentId::new("close-capable")
7396        }
7397
7398        fn telemetry_id(&self) -> SharedString {
7399            "close-capable".into()
7400        }
7401
7402        fn new_session(
7403            self: Rc<Self>,
7404            project: Entity<Project>,
7405            work_dirs: PathList,
7406            cx: &mut gpui::App,
7407        ) -> Task<gpui::Result<Entity<AcpThread>>> {
7408            let action_log = cx.new(|_| ActionLog::new(project.clone()));
7409            let thread = cx.new(|cx| {
7410                AcpThread::new(
7411                    None,
7412                    Some("CloseCapableConnection".into()),
7413                    Some(work_dirs),
7414                    self,
7415                    project,
7416                    action_log,
7417                    SessionId::new("close-capable-session"),
7418                    watch::Receiver::constant(
7419                        acp::PromptCapabilities::new()
7420                            .image(true)
7421                            .audio(true)
7422                            .embedded_context(true),
7423                    ),
7424                    cx,
7425                )
7426            });
7427            Task::ready(Ok(thread))
7428        }
7429
7430        fn supports_close_session(&self) -> bool {
7431            true
7432        }
7433
7434        fn close_session(
7435            self: Rc<Self>,
7436            session_id: &acp::SessionId,
7437            _cx: &mut App,
7438        ) -> Task<Result<()>> {
7439            self.closed_sessions.lock().push(session_id.clone());
7440            Task::ready(Ok(()))
7441        }
7442
7443        fn auth_methods(&self) -> &[acp::AuthMethod] {
7444            &[]
7445        }
7446
7447        fn authenticate(
7448            &self,
7449            _method_id: acp::AuthMethodId,
7450            _cx: &mut App,
7451        ) -> Task<gpui::Result<()>> {
7452            Task::ready(Ok(()))
7453        }
7454
7455        fn prompt(
7456            &self,
7457            _id: acp_thread::UserMessageId,
7458            _params: acp::PromptRequest,
7459            _cx: &mut App,
7460        ) -> Task<gpui::Result<acp::PromptResponse>> {
7461            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::EndTurn)))
7462        }
7463
7464        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {}
7465
7466        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7467            self
7468        }
7469    }
7470}