thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, AgentServerDelegate};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode, NotifyWhenAgentWaiting};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
  12use anyhow::{Context as _, Result, anyhow, bail};
  13use audio::{Audio, Sound};
  14use buffer_diff::BufferDiff;
  15use client::zed_urls;
  16use collections::{HashMap, HashSet};
  17use editor::scroll::Autoscroll;
  18use editor::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  19use file_icons::FileIcons;
  20use fs::Fs;
  21use futures::FutureExt as _;
  22use gpui::{
  23    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  24    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  25    ListOffset, ListState, MouseButton, PlatformDisplay, SharedString, Stateful, StyleRefinement,
  26    Subscription, Task, TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window,
  27    WindowHandle, div, ease_in_out, linear_color_stop, linear_gradient, list, point, prelude::*,
  28    pulsating_between,
  29};
  30use language::Buffer;
  31
  32use language_model::LanguageModelRegistry;
  33use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  34use project::{Project, ProjectEntryId};
  35use prompt_store::{PromptId, PromptStore};
  36use rope::Point;
  37use settings::{Settings as _, SettingsStore};
  38use std::cell::{Cell, RefCell};
  39use std::path::Path;
  40use std::sync::Arc;
  41use std::time::Instant;
  42use std::{collections::BTreeMap, rc::Rc, time::Duration};
  43use terminal_view::terminal_panel::TerminalPanel;
  44use text::Anchor;
  45use theme::{AgentFontSize, ThemeSettings};
  46use ui::{
  47    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  48    PopoverMenuHandle, Scrollbar, ScrollbarState, SpinnerLabel, TintColor, Tooltip, prelude::*,
  49};
  50use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  51use workspace::{CollaboratorId, Workspace};
  52use zed_actions::agent::{Chat, ToggleModelSelector};
  53use zed_actions::assistant::OpenRulesLibrary;
  54
  55use super::entry_view_state::EntryViewState;
  56use crate::acp::AcpModelSelectorPopover;
  57use crate::acp::ModeSelector;
  58use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  59use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  60use crate::agent_diff::AgentDiff;
  61use crate::profile_selector::{ProfileProvider, ProfileSelector};
  62
  63use crate::ui::preview::UsageCallout;
  64use crate::ui::{
  65    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  66};
  67use crate::{
  68    AgentDiffPane, AgentPanel, ContinueThread, ContinueWithBurnMode, CycleModeSelector,
  69    ExpandMessageEditor, Follow, KeepAll, OpenAgentDiff, OpenHistory, RejectAll, ToggleBurnMode,
  70    ToggleProfileSelector,
  71};
  72
  73pub const MIN_EDITOR_LINES: usize = 4;
  74pub const MAX_EDITOR_LINES: usize = 8;
  75
  76#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  77enum ThreadFeedback {
  78    Positive,
  79    Negative,
  80}
  81
  82#[derive(Debug)]
  83enum ThreadError {
  84    PaymentRequired,
  85    ModelRequestLimitReached(cloud_llm_client::Plan),
  86    ToolUseLimitReached,
  87    Refusal,
  88    AuthenticationRequired(SharedString),
  89    Other(SharedString),
  90}
  91
  92impl ThreadError {
  93    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  94        if error.is::<language_model::PaymentRequiredError>() {
  95            Self::PaymentRequired
  96        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  97            Self::ToolUseLimitReached
  98        } else if let Some(error) =
  99            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
 100        {
 101            Self::ModelRequestLimitReached(error.plan)
 102        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 103            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 104        {
 105            Self::AuthenticationRequired(acp_error.message.clone().into())
 106        } else {
 107            let string = error.to_string();
 108            // TODO: we should have Gemini return better errors here.
 109            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 110                && string.contains("Could not load the default credentials")
 111                || string.contains("API key not valid")
 112                || string.contains("Request had invalid authentication credentials")
 113            {
 114                Self::AuthenticationRequired(string.into())
 115            } else {
 116                Self::Other(error.to_string().into())
 117            }
 118        }
 119    }
 120}
 121
 122impl ProfileProvider for Entity<agent2::Thread> {
 123    fn profile_id(&self, cx: &App) -> AgentProfileId {
 124        self.read(cx).profile().clone()
 125    }
 126
 127    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 128        self.update(cx, |thread, _cx| {
 129            thread.set_profile(profile_id);
 130        });
 131    }
 132
 133    fn profiles_supported(&self, cx: &App) -> bool {
 134        self.read(cx)
 135            .model()
 136            .is_some_and(|model| model.supports_tools())
 137    }
 138}
 139
 140#[derive(Default)]
 141struct ThreadFeedbackState {
 142    feedback: Option<ThreadFeedback>,
 143    comments_editor: Option<Entity<Editor>>,
 144}
 145
 146impl ThreadFeedbackState {
 147    pub fn submit(
 148        &mut self,
 149        thread: Entity<AcpThread>,
 150        feedback: ThreadFeedback,
 151        window: &mut Window,
 152        cx: &mut App,
 153    ) {
 154        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 155            return;
 156        };
 157
 158        if self.feedback == Some(feedback) {
 159            return;
 160        }
 161
 162        self.feedback = Some(feedback);
 163        match feedback {
 164            ThreadFeedback::Positive => {
 165                self.comments_editor = None;
 166            }
 167            ThreadFeedback::Negative => {
 168                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 169            }
 170        }
 171        let session_id = thread.read(cx).session_id().clone();
 172        let agent_name = telemetry.agent_name();
 173        let task = telemetry.thread_data(&session_id, cx);
 174        let rating = match feedback {
 175            ThreadFeedback::Positive => "positive",
 176            ThreadFeedback::Negative => "negative",
 177        };
 178        cx.background_spawn(async move {
 179            let thread = task.await?;
 180            telemetry::event!(
 181                "Agent Thread Rated",
 182                session_id = session_id,
 183                rating = rating,
 184                agent = agent_name,
 185                thread = thread
 186            );
 187            anyhow::Ok(())
 188        })
 189        .detach_and_log_err(cx);
 190    }
 191
 192    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 193        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 194            return;
 195        };
 196
 197        let Some(comments) = self
 198            .comments_editor
 199            .as_ref()
 200            .map(|editor| editor.read(cx).text(cx))
 201            .filter(|text| !text.trim().is_empty())
 202        else {
 203            return;
 204        };
 205
 206        self.comments_editor.take();
 207
 208        let session_id = thread.read(cx).session_id().clone();
 209        let agent_name = telemetry.agent_name();
 210        let task = telemetry.thread_data(&session_id, cx);
 211        cx.background_spawn(async move {
 212            let thread = task.await?;
 213            telemetry::event!(
 214                "Agent Thread Feedback Comments",
 215                session_id = session_id,
 216                comments = comments,
 217                agent = agent_name,
 218                thread = thread
 219            );
 220            anyhow::Ok(())
 221        })
 222        .detach_and_log_err(cx);
 223    }
 224
 225    pub fn clear(&mut self) {
 226        *self = Self::default()
 227    }
 228
 229    pub fn dismiss_comments(&mut self) {
 230        self.comments_editor.take();
 231    }
 232
 233    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 234        let buffer = cx.new(|cx| {
 235            let empty_string = String::new();
 236            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 237        });
 238
 239        let editor = cx.new(|cx| {
 240            let mut editor = Editor::new(
 241                editor::EditorMode::AutoHeight {
 242                    min_lines: 1,
 243                    max_lines: Some(4),
 244                },
 245                buffer,
 246                None,
 247                window,
 248                cx,
 249            );
 250            editor.set_placeholder_text(
 251                "What went wrong? Share your feedback so we can improve.",
 252                cx,
 253            );
 254            editor
 255        });
 256
 257        editor.read(cx).focus_handle(cx).focus(window);
 258        editor
 259    }
 260}
 261
 262pub struct AcpThreadView {
 263    agent: Rc<dyn AgentServer>,
 264    workspace: WeakEntity<Workspace>,
 265    project: Entity<Project>,
 266    thread_state: ThreadState,
 267    login: Option<task::SpawnInTerminal>,
 268    history_store: Entity<HistoryStore>,
 269    hovered_recent_history_item: Option<usize>,
 270    entry_view_state: Entity<EntryViewState>,
 271    message_editor: Entity<MessageEditor>,
 272    focus_handle: FocusHandle,
 273    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 274    profile_selector: Option<Entity<ProfileSelector>>,
 275    notifications: Vec<WindowHandle<AgentNotification>>,
 276    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 277    thread_retry_status: Option<RetryStatus>,
 278    thread_error: Option<ThreadError>,
 279    thread_feedback: ThreadFeedbackState,
 280    list_state: ListState,
 281    scrollbar_state: ScrollbarState,
 282    auth_task: Option<Task<()>>,
 283    expanded_tool_calls: HashSet<acp::ToolCallId>,
 284    expanded_thinking_blocks: HashSet<(usize, usize)>,
 285    edits_expanded: bool,
 286    plan_expanded: bool,
 287    editor_expanded: bool,
 288    should_be_following: bool,
 289    editing_message: Option<usize>,
 290    prompt_capabilities: Rc<Cell<PromptCapabilities>>,
 291    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 292    is_loading_contents: bool,
 293    new_server_version_available: Option<SharedString>,
 294    _cancel_task: Option<Task<()>>,
 295    _subscriptions: [Subscription; 4],
 296}
 297
 298enum ThreadState {
 299    Loading(Entity<LoadingView>),
 300    Ready {
 301        thread: Entity<AcpThread>,
 302        title_editor: Option<Entity<Editor>>,
 303        mode_selector: Option<Entity<ModeSelector>>,
 304        _subscriptions: Vec<Subscription>,
 305    },
 306    LoadError(LoadError),
 307    Unauthenticated {
 308        connection: Rc<dyn AgentConnection>,
 309        description: Option<Entity<Markdown>>,
 310        configuration_view: Option<AnyView>,
 311        pending_auth_method: Option<acp::AuthMethodId>,
 312        _subscription: Option<Subscription>,
 313    },
 314}
 315
 316struct LoadingView {
 317    title: SharedString,
 318    _load_task: Task<()>,
 319    _update_title_task: Task<anyhow::Result<()>>,
 320}
 321
 322impl AcpThreadView {
 323    pub fn new(
 324        agent: Rc<dyn AgentServer>,
 325        resume_thread: Option<DbThreadMetadata>,
 326        summarize_thread: Option<DbThreadMetadata>,
 327        workspace: WeakEntity<Workspace>,
 328        project: Entity<Project>,
 329        history_store: Entity<HistoryStore>,
 330        prompt_store: Option<Entity<PromptStore>>,
 331        window: &mut Window,
 332        cx: &mut Context<Self>,
 333    ) -> Self {
 334        let prompt_capabilities = Rc::new(Cell::new(acp::PromptCapabilities::default()));
 335        let available_commands = Rc::new(RefCell::new(vec![]));
 336
 337        let placeholder = if agent.name() == "Zed Agent" {
 338            format!("Message the {} — @ to include context", agent.name())
 339        } else if agent.name() == "Claude Code" || !available_commands.borrow().is_empty() {
 340            format!(
 341                "Message {} — @ to include context, / for commands",
 342                agent.name()
 343            )
 344        } else {
 345            format!("Message {} — @ to include context", agent.name())
 346        };
 347
 348        let message_editor = cx.new(|cx| {
 349            let mut editor = MessageEditor::new(
 350                workspace.clone(),
 351                project.clone(),
 352                history_store.clone(),
 353                prompt_store.clone(),
 354                prompt_capabilities.clone(),
 355                available_commands.clone(),
 356                agent.name(),
 357                placeholder,
 358                editor::EditorMode::AutoHeight {
 359                    min_lines: MIN_EDITOR_LINES,
 360                    max_lines: Some(MAX_EDITOR_LINES),
 361                },
 362                window,
 363                cx,
 364            );
 365            if let Some(entry) = summarize_thread {
 366                editor.insert_thread_summary(entry, window, cx);
 367            }
 368            editor
 369        });
 370
 371        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 372
 373        let entry_view_state = cx.new(|_| {
 374            EntryViewState::new(
 375                workspace.clone(),
 376                project.clone(),
 377                history_store.clone(),
 378                prompt_store.clone(),
 379                prompt_capabilities.clone(),
 380                available_commands.clone(),
 381                agent.name(),
 382            )
 383        });
 384
 385        let subscriptions = [
 386            cx.observe_global_in::<SettingsStore>(window, Self::agent_font_size_changed),
 387            cx.observe_global_in::<AgentFontSize>(window, Self::agent_font_size_changed),
 388            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 389            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 390        ];
 391
 392        Self {
 393            agent: agent.clone(),
 394            workspace: workspace.clone(),
 395            project: project.clone(),
 396            entry_view_state,
 397            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 398            login: None,
 399            message_editor,
 400            model_selector: None,
 401            profile_selector: None,
 402
 403            notifications: Vec::new(),
 404            notification_subscriptions: HashMap::default(),
 405            list_state: list_state.clone(),
 406            scrollbar_state: ScrollbarState::new(list_state).parent_entity(&cx.entity()),
 407            thread_retry_status: None,
 408            thread_error: None,
 409            thread_feedback: Default::default(),
 410            auth_task: None,
 411            expanded_tool_calls: HashSet::default(),
 412            expanded_thinking_blocks: HashSet::default(),
 413            editing_message: None,
 414            edits_expanded: false,
 415            plan_expanded: false,
 416            prompt_capabilities,
 417            available_commands,
 418            editor_expanded: false,
 419            should_be_following: false,
 420            history_store,
 421            hovered_recent_history_item: None,
 422            is_loading_contents: false,
 423            _subscriptions: subscriptions,
 424            _cancel_task: None,
 425            focus_handle: cx.focus_handle(),
 426            new_server_version_available: None,
 427        }
 428    }
 429
 430    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 431        self.thread_state = Self::initial_state(
 432            self.agent.clone(),
 433            None,
 434            self.workspace.clone(),
 435            self.project.clone(),
 436            window,
 437            cx,
 438        );
 439        self.available_commands.replace(vec![]);
 440        self.new_server_version_available.take();
 441        cx.notify();
 442    }
 443
 444    fn initial_state(
 445        agent: Rc<dyn AgentServer>,
 446        resume_thread: Option<DbThreadMetadata>,
 447        workspace: WeakEntity<Workspace>,
 448        project: Entity<Project>,
 449        window: &mut Window,
 450        cx: &mut Context<Self>,
 451    ) -> ThreadState {
 452        if project.read(cx).is_via_collab()
 453            && agent.clone().downcast::<NativeAgentServer>().is_none()
 454        {
 455            return ThreadState::LoadError(LoadError::Other(
 456                "External agents are not yet supported in shared projects.".into(),
 457            ));
 458        }
 459        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 460        // Pick the first non-single-file worktree for the root directory if there are any,
 461        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 462        worktrees.sort_by(|l, r| {
 463            l.read(cx)
 464                .is_single_file()
 465                .cmp(&r.read(cx).is_single_file())
 466        });
 467        let root_dir = worktrees
 468            .into_iter()
 469            .filter_map(|worktree| {
 470                if worktree.read(cx).is_single_file() {
 471                    Some(worktree.read(cx).abs_path().parent()?.into())
 472                } else {
 473                    Some(worktree.read(cx).abs_path())
 474                }
 475            })
 476            .next();
 477        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 478        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 479        let delegate = AgentServerDelegate::new(
 480            project.read(cx).agent_server_store().clone(),
 481            project.clone(),
 482            Some(status_tx),
 483            Some(new_version_available_tx),
 484        );
 485
 486        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 487        let load_task = cx.spawn_in(window, async move |this, cx| {
 488            let connection = match connect_task.await {
 489                Ok((connection, login)) => {
 490                    this.update(cx, |this, _| this.login = login).ok();
 491                    connection
 492                }
 493                Err(err) => {
 494                    this.update_in(cx, |this, window, cx| {
 495                        if err.downcast_ref::<LoadError>().is_some() {
 496                            this.handle_load_error(err, window, cx);
 497                        } else {
 498                            this.handle_thread_error(err, cx);
 499                        }
 500                        cx.notify();
 501                    })
 502                    .log_err();
 503                    return;
 504                }
 505            };
 506
 507            let result = if let Some(native_agent) = connection
 508                .clone()
 509                .downcast::<agent2::NativeAgentConnection>()
 510                && let Some(resume) = resume_thread.clone()
 511            {
 512                cx.update(|_, cx| {
 513                    native_agent
 514                        .0
 515                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 516                })
 517                .log_err()
 518            } else {
 519                let root_dir = if let Some(acp_agent) = connection
 520                    .clone()
 521                    .downcast::<agent_servers::AcpConnection>()
 522                {
 523                    acp_agent.root_dir().into()
 524                } else {
 525                    root_dir.unwrap_or(paths::home_dir().as_path().into())
 526                };
 527                cx.update(|_, cx| {
 528                    connection
 529                        .clone()
 530                        .new_thread(project.clone(), &root_dir, cx)
 531                })
 532                .log_err()
 533            };
 534
 535            let Some(result) = result else {
 536                return;
 537            };
 538
 539            let result = match result.await {
 540                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 541                    Ok(err) => {
 542                        cx.update(|window, cx| {
 543                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 544                        })
 545                        .log_err();
 546                        return;
 547                    }
 548                    Err(err) => Err(err),
 549                },
 550                Ok(thread) => Ok(thread),
 551            };
 552
 553            this.update_in(cx, |this, window, cx| {
 554                match result {
 555                    Ok(thread) => {
 556                        let action_log = thread.read(cx).action_log().clone();
 557
 558                        this.prompt_capabilities
 559                            .set(thread.read(cx).prompt_capabilities());
 560
 561                        let count = thread.read(cx).entries().len();
 562                        this.entry_view_state.update(cx, |view_state, cx| {
 563                            for ix in 0..count {
 564                                view_state.sync_entry(ix, &thread, window, cx);
 565                            }
 566                            this.list_state.splice_focusable(
 567                                0..0,
 568                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 569                            );
 570                        });
 571
 572                        if let Some(resume) = resume_thread {
 573                            this.history_store.update(cx, |history, cx| {
 574                                history.push_recently_opened_entry(
 575                                    HistoryEntryId::AcpThread(resume.id),
 576                                    cx,
 577                                );
 578                            });
 579                        }
 580
 581                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 582
 583                        this.model_selector =
 584                            thread
 585                                .read(cx)
 586                                .connection()
 587                                .model_selector()
 588                                .map(|selector| {
 589                                    cx.new(|cx| {
 590                                        AcpModelSelectorPopover::new(
 591                                            thread.read(cx).session_id().clone(),
 592                                            selector,
 593                                            PopoverMenuHandle::default(),
 594                                            this.focus_handle(cx),
 595                                            window,
 596                                            cx,
 597                                        )
 598                                    })
 599                                });
 600
 601                        let mode_selector = thread
 602                            .read(cx)
 603                            .connection()
 604                            .session_modes(thread.read(cx).session_id(), cx)
 605                            .map(|session_modes| {
 606                                let fs = this.project.read(cx).fs().clone();
 607                                let focus_handle = this.focus_handle(cx);
 608                                cx.new(|_cx| {
 609                                    ModeSelector::new(
 610                                        session_modes,
 611                                        this.agent.clone(),
 612                                        fs,
 613                                        focus_handle,
 614                                    )
 615                                })
 616                            });
 617
 618                        let mut subscriptions = vec![
 619                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 620                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 621                        ];
 622
 623                        let title_editor =
 624                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 625                                let editor = cx.new(|cx| {
 626                                    let mut editor = Editor::single_line(window, cx);
 627                                    editor.set_text(thread.read(cx).title(), window, cx);
 628                                    editor
 629                                });
 630                                subscriptions.push(cx.subscribe_in(
 631                                    &editor,
 632                                    window,
 633                                    Self::handle_title_editor_event,
 634                                ));
 635                                Some(editor)
 636                            } else {
 637                                None
 638                            };
 639
 640                        this.thread_state = ThreadState::Ready {
 641                            thread,
 642                            title_editor,
 643                            mode_selector,
 644                            _subscriptions: subscriptions,
 645                        };
 646                        this.message_editor.focus_handle(cx).focus(window);
 647
 648                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 649                            cx.new(|cx| {
 650                                ProfileSelector::new(
 651                                    <dyn Fs>::global(cx),
 652                                    Arc::new(thread.clone()),
 653                                    this.focus_handle(cx),
 654                                    cx,
 655                                )
 656                            })
 657                        });
 658
 659                        cx.notify();
 660                    }
 661                    Err(err) => {
 662                        this.handle_load_error(err, window, cx);
 663                    }
 664                };
 665            })
 666            .log_err();
 667        });
 668
 669        cx.spawn(async move |this, cx| {
 670            while let Ok(new_version) = new_version_available_rx.recv().await {
 671                if let Some(new_version) = new_version {
 672                    this.update(cx, |this, cx| {
 673                        this.new_server_version_available = Some(new_version.into());
 674                        cx.notify();
 675                    })
 676                    .log_err();
 677                }
 678            }
 679        })
 680        .detach();
 681
 682        let loading_view = cx.new(|cx| {
 683            let update_title_task = cx.spawn(async move |this, cx| {
 684                loop {
 685                    let status = status_rx.recv().await?;
 686                    this.update(cx, |this: &mut LoadingView, cx| {
 687                        this.title = status;
 688                        cx.notify();
 689                    })?;
 690                }
 691            });
 692
 693            LoadingView {
 694                title: "Loading…".into(),
 695                _load_task: load_task,
 696                _update_title_task: update_title_task,
 697            }
 698        });
 699
 700        ThreadState::Loading(loading_view)
 701    }
 702
 703    fn handle_auth_required(
 704        this: WeakEntity<Self>,
 705        err: AuthRequired,
 706        agent: Rc<dyn AgentServer>,
 707        connection: Rc<dyn AgentConnection>,
 708        window: &mut Window,
 709        cx: &mut App,
 710    ) {
 711        let agent_name = agent.name();
 712        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 713            let registry = LanguageModelRegistry::global(cx);
 714
 715            let sub = window.subscribe(&registry, cx, {
 716                let provider_id = provider_id.clone();
 717                let this = this.clone();
 718                move |_, ev, window, cx| {
 719                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 720                        && &provider_id == updated_provider_id
 721                        && LanguageModelRegistry::global(cx)
 722                            .read(cx)
 723                            .provider(&provider_id)
 724                            .map_or(false, |provider| provider.is_authenticated(cx))
 725                    {
 726                        this.update(cx, |this, cx| {
 727                            this.reset(window, cx);
 728                        })
 729                        .ok();
 730                    }
 731                }
 732            });
 733
 734            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 735                provider.configuration_view(
 736                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 737                    window,
 738                    cx,
 739                )
 740            });
 741
 742            (view, Some(sub))
 743        } else {
 744            (None, None)
 745        };
 746
 747        this.update(cx, |this, cx| {
 748            this.thread_state = ThreadState::Unauthenticated {
 749                pending_auth_method: None,
 750                connection,
 751                configuration_view,
 752                description: err
 753                    .description
 754                    .clone()
 755                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 756                _subscription: subscription,
 757            };
 758            if this.message_editor.focus_handle(cx).is_focused(window) {
 759                this.focus_handle.focus(window)
 760            }
 761            cx.notify();
 762        })
 763        .ok();
 764    }
 765
 766    fn handle_load_error(
 767        &mut self,
 768        err: anyhow::Error,
 769        window: &mut Window,
 770        cx: &mut Context<Self>,
 771    ) {
 772        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 773            self.thread_state = ThreadState::LoadError(load_err.clone());
 774        } else {
 775            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 776        }
 777        if self.message_editor.focus_handle(cx).is_focused(window) {
 778            self.focus_handle.focus(window)
 779        }
 780        cx.notify();
 781    }
 782
 783    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 784        &self.workspace
 785    }
 786
 787    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 788        match &self.thread_state {
 789            ThreadState::Ready { thread, .. } => Some(thread),
 790            ThreadState::Unauthenticated { .. }
 791            | ThreadState::Loading { .. }
 792            | ThreadState::LoadError { .. } => None,
 793        }
 794    }
 795
 796    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 797        match &self.thread_state {
 798            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 799            ThreadState::Unauthenticated { .. }
 800            | ThreadState::Loading { .. }
 801            | ThreadState::LoadError { .. } => None,
 802        }
 803    }
 804
 805    pub fn title(&self, cx: &App) -> SharedString {
 806        match &self.thread_state {
 807            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 808            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 809            ThreadState::LoadError(error) => match error {
 810                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 811                LoadError::FailedToInstall(_) => {
 812                    format!("Failed to Install {}", self.agent.name()).into()
 813                }
 814                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 815                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 816            },
 817        }
 818    }
 819
 820    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 821        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 822            title_editor.clone()
 823        } else {
 824            None
 825        }
 826    }
 827
 828    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 829        self.thread_error.take();
 830        self.thread_retry_status.take();
 831
 832        if let Some(thread) = self.thread() {
 833            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 834        }
 835    }
 836
 837    pub fn expand_message_editor(
 838        &mut self,
 839        _: &ExpandMessageEditor,
 840        _window: &mut Window,
 841        cx: &mut Context<Self>,
 842    ) {
 843        self.set_editor_is_expanded(!self.editor_expanded, cx);
 844        cx.notify();
 845    }
 846
 847    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 848        self.editor_expanded = is_expanded;
 849        self.message_editor.update(cx, |editor, cx| {
 850            if is_expanded {
 851                editor.set_mode(
 852                    EditorMode::Full {
 853                        scale_ui_elements_with_buffer_font_size: false,
 854                        show_active_line_background: false,
 855                        sized_by_content: false,
 856                    },
 857                    cx,
 858                )
 859            } else {
 860                editor.set_mode(
 861                    EditorMode::AutoHeight {
 862                        min_lines: MIN_EDITOR_LINES,
 863                        max_lines: Some(MAX_EDITOR_LINES),
 864                    },
 865                    cx,
 866                )
 867            }
 868        });
 869        cx.notify();
 870    }
 871
 872    pub fn handle_title_editor_event(
 873        &mut self,
 874        title_editor: &Entity<Editor>,
 875        event: &EditorEvent,
 876        window: &mut Window,
 877        cx: &mut Context<Self>,
 878    ) {
 879        let Some(thread) = self.thread() else { return };
 880
 881        match event {
 882            EditorEvent::BufferEdited => {
 883                let new_title = title_editor.read(cx).text(cx);
 884                thread.update(cx, |thread, cx| {
 885                    thread
 886                        .set_title(new_title.into(), cx)
 887                        .detach_and_log_err(cx);
 888                })
 889            }
 890            EditorEvent::Blurred => {
 891                if title_editor.read(cx).text(cx).is_empty() {
 892                    title_editor.update(cx, |editor, cx| {
 893                        editor.set_text("New Thread", window, cx);
 894                    });
 895                }
 896            }
 897            _ => {}
 898        }
 899    }
 900
 901    pub fn handle_message_editor_event(
 902        &mut self,
 903        _: &Entity<MessageEditor>,
 904        event: &MessageEditorEvent,
 905        window: &mut Window,
 906        cx: &mut Context<Self>,
 907    ) {
 908        match event {
 909            MessageEditorEvent::Send => self.send(window, cx),
 910            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 911            MessageEditorEvent::Focus => {
 912                self.cancel_editing(&Default::default(), window, cx);
 913            }
 914            MessageEditorEvent::LostFocus => {}
 915        }
 916    }
 917
 918    pub fn handle_entry_view_event(
 919        &mut self,
 920        _: &Entity<EntryViewState>,
 921        event: &EntryViewEvent,
 922        window: &mut Window,
 923        cx: &mut Context<Self>,
 924    ) {
 925        match &event.view_event {
 926            ViewEvent::NewDiff(tool_call_id) => {
 927                if AgentSettings::get_global(cx).expand_edit_card {
 928                    self.expanded_tool_calls.insert(tool_call_id.clone());
 929                }
 930            }
 931            ViewEvent::NewTerminal(tool_call_id) => {
 932                if AgentSettings::get_global(cx).expand_terminal_card {
 933                    self.expanded_tool_calls.insert(tool_call_id.clone());
 934                }
 935            }
 936            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 937                self.expanded_tool_calls.remove(tool_call_id);
 938            }
 939            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 940                if let Some(thread) = self.thread()
 941                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 942                        thread.read(cx).entries().get(event.entry_index)
 943                    && user_message.id.is_some()
 944                {
 945                    self.editing_message = Some(event.entry_index);
 946                    cx.notify();
 947                }
 948            }
 949            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 950                if let Some(thread) = self.thread()
 951                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 952                        thread.read(cx).entries().get(event.entry_index)
 953                    && user_message.id.is_some()
 954                {
 955                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 956                        self.editing_message = None;
 957                        cx.notify();
 958                    }
 959                }
 960            }
 961            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 962                self.regenerate(event.entry_index, editor.clone(), window, cx);
 963            }
 964            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 965                self.cancel_editing(&Default::default(), window, cx);
 966            }
 967        }
 968    }
 969
 970    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 971        self.thread_error.take();
 972        let Some(thread) = self.thread() else {
 973            return;
 974        };
 975        if !thread.read(cx).can_resume(cx) {
 976            return;
 977        }
 978
 979        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 980        cx.spawn(async move |this, cx| {
 981            let result = task.await;
 982
 983            this.update(cx, |this, cx| {
 984                if let Err(err) = result {
 985                    this.handle_thread_error(err, cx);
 986                }
 987            })
 988        })
 989        .detach();
 990    }
 991
 992    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 993        let Some(thread) = self.thread() else { return };
 994
 995        if self.is_loading_contents {
 996            return;
 997        }
 998
 999        self.history_store.update(cx, |history, cx| {
1000            history.push_recently_opened_entry(
1001                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1002                cx,
1003            );
1004        });
1005
1006        if thread.read(cx).status() != ThreadStatus::Idle {
1007            self.stop_current_and_send_new_message(window, cx);
1008            return;
1009        }
1010
1011        let text = self.message_editor.read(cx).text(cx);
1012        let text = text.trim();
1013        if text == "/login" || text == "/logout" {
1014            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1015                return;
1016            };
1017
1018            let connection = thread.read(cx).connection().clone();
1019            if !connection
1020                .auth_methods()
1021                .iter()
1022                .any(|method| method.id.0.as_ref() == "claude-login")
1023            {
1024                return;
1025            };
1026            let this = cx.weak_entity();
1027            let agent = self.agent.clone();
1028            window.defer(cx, |window, cx| {
1029                Self::handle_auth_required(
1030                    this,
1031                    AuthRequired {
1032                        description: None,
1033                        provider_id: None,
1034                    },
1035                    agent,
1036                    connection,
1037                    window,
1038                    cx,
1039                );
1040            });
1041            cx.notify();
1042            return;
1043        }
1044
1045        let contents = self
1046            .message_editor
1047            .update(cx, |message_editor, cx| message_editor.contents(cx));
1048        self.send_impl(contents, window, cx)
1049    }
1050
1051    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1052        let Some(thread) = self.thread().cloned() else {
1053            return;
1054        };
1055
1056        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1057
1058        let contents = self
1059            .message_editor
1060            .update(cx, |message_editor, cx| message_editor.contents(cx));
1061
1062        cx.spawn_in(window, async move |this, cx| {
1063            cancelled.await;
1064
1065            this.update_in(cx, |this, window, cx| {
1066                this.send_impl(contents, window, cx);
1067            })
1068            .ok();
1069        })
1070        .detach();
1071    }
1072
1073    fn send_impl(
1074        &mut self,
1075        contents: Task<Result<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>,
1076        window: &mut Window,
1077        cx: &mut Context<Self>,
1078    ) {
1079        let agent_telemetry_id = self.agent.telemetry_id();
1080
1081        self.thread_error.take();
1082        self.editing_message.take();
1083        self.thread_feedback.clear();
1084
1085        let Some(thread) = self.thread() else {
1086            return;
1087        };
1088        let thread = thread.downgrade();
1089        if self.should_be_following {
1090            self.workspace
1091                .update(cx, |workspace, cx| {
1092                    workspace.follow(CollaboratorId::Agent, window, cx);
1093                })
1094                .ok();
1095        }
1096
1097        self.is_loading_contents = true;
1098        let guard = cx.new(|_| ());
1099        cx.observe_release(&guard, |this, _guard, cx| {
1100            this.is_loading_contents = false;
1101            cx.notify();
1102        })
1103        .detach();
1104
1105        let task = cx.spawn_in(window, async move |this, cx| {
1106            let (contents, tracked_buffers) = contents.await?;
1107
1108            if contents.is_empty() {
1109                return Ok(());
1110            }
1111
1112            this.update_in(cx, |this, window, cx| {
1113                this.set_editor_is_expanded(false, cx);
1114                this.scroll_to_bottom(cx);
1115                this.message_editor.update(cx, |message_editor, cx| {
1116                    message_editor.clear(window, cx);
1117                });
1118            })?;
1119            let send = thread.update(cx, |thread, cx| {
1120                thread.action_log().update(cx, |action_log, cx| {
1121                    for buffer in tracked_buffers {
1122                        action_log.buffer_read(buffer, cx)
1123                    }
1124                });
1125                drop(guard);
1126
1127                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1128
1129                thread.send(contents, cx)
1130            })?;
1131            send.await
1132        });
1133
1134        cx.spawn(async move |this, cx| {
1135            if let Err(err) = task.await {
1136                this.update(cx, |this, cx| {
1137                    this.handle_thread_error(err, cx);
1138                })
1139                .ok();
1140            } else {
1141                this.update(cx, |this, cx| {
1142                    this.should_be_following = this
1143                        .workspace
1144                        .update(cx, |workspace, _| {
1145                            workspace.is_being_followed(CollaboratorId::Agent)
1146                        })
1147                        .unwrap_or_default();
1148                })
1149                .ok();
1150            }
1151        })
1152        .detach();
1153    }
1154
1155    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1156        let Some(thread) = self.thread().cloned() else {
1157            return;
1158        };
1159
1160        if let Some(index) = self.editing_message.take()
1161            && let Some(editor) = self
1162                .entry_view_state
1163                .read(cx)
1164                .entry(index)
1165                .and_then(|e| e.message_editor())
1166                .cloned()
1167        {
1168            editor.update(cx, |editor, cx| {
1169                if let Some(user_message) = thread
1170                    .read(cx)
1171                    .entries()
1172                    .get(index)
1173                    .and_then(|e| e.user_message())
1174                {
1175                    editor.set_message(user_message.chunks.clone(), window, cx);
1176                }
1177            })
1178        };
1179        self.focus_handle(cx).focus(window);
1180        cx.notify();
1181    }
1182
1183    fn regenerate(
1184        &mut self,
1185        entry_ix: usize,
1186        message_editor: Entity<MessageEditor>,
1187        window: &mut Window,
1188        cx: &mut Context<Self>,
1189    ) {
1190        let Some(thread) = self.thread().cloned() else {
1191            return;
1192        };
1193        if self.is_loading_contents {
1194            return;
1195        }
1196
1197        let Some(user_message_id) = thread.update(cx, |thread, _| {
1198            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1199        }) else {
1200            return;
1201        };
1202
1203        cx.spawn_in(window, async move |this, cx| {
1204            thread
1205                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1206                .await?;
1207            let contents =
1208                message_editor.update(cx, |message_editor, cx| message_editor.contents(cx))?;
1209            this.update_in(cx, |this, window, cx| {
1210                this.send_impl(contents, window, cx);
1211            })?;
1212            anyhow::Ok(())
1213        })
1214        .detach();
1215    }
1216
1217    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1218        if let Some(thread) = self.thread() {
1219            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1220        }
1221    }
1222
1223    fn open_edited_buffer(
1224        &mut self,
1225        buffer: &Entity<Buffer>,
1226        window: &mut Window,
1227        cx: &mut Context<Self>,
1228    ) {
1229        let Some(thread) = self.thread() else {
1230            return;
1231        };
1232
1233        let Some(diff) =
1234            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1235        else {
1236            return;
1237        };
1238
1239        diff.update(cx, |diff, cx| {
1240            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1241        })
1242    }
1243
1244    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1245        let Some(thread) = self.as_native_thread(cx) else {
1246            return;
1247        };
1248        let project_context = thread.read(cx).project_context().read(cx);
1249
1250        let project_entry_ids = project_context
1251            .worktrees
1252            .iter()
1253            .flat_map(|worktree| worktree.rules_file.as_ref())
1254            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1255            .collect::<Vec<_>>();
1256
1257        self.workspace
1258            .update(cx, move |workspace, cx| {
1259                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1260                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1261                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1262                let project = workspace.project().read(cx);
1263                let project_paths = project_entry_ids
1264                    .into_iter()
1265                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1266                    .collect::<Vec<_>>();
1267                for project_path in project_paths {
1268                    workspace
1269                        .open_path(project_path, None, true, window, cx)
1270                        .detach_and_log_err(cx);
1271                }
1272            })
1273            .ok();
1274    }
1275
1276    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1277        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1278        cx.notify();
1279    }
1280
1281    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1282        self.thread_error = None;
1283        cx.notify();
1284    }
1285
1286    fn handle_thread_event(
1287        &mut self,
1288        thread: &Entity<AcpThread>,
1289        event: &AcpThreadEvent,
1290        window: &mut Window,
1291        cx: &mut Context<Self>,
1292    ) {
1293        match event {
1294            AcpThreadEvent::NewEntry => {
1295                let len = thread.read(cx).entries().len();
1296                let index = len - 1;
1297                self.entry_view_state.update(cx, |view_state, cx| {
1298                    view_state.sync_entry(index, thread, window, cx);
1299                    self.list_state.splice_focusable(
1300                        index..index,
1301                        [view_state
1302                            .entry(index)
1303                            .and_then(|entry| entry.focus_handle(cx))],
1304                    );
1305                });
1306            }
1307            AcpThreadEvent::EntryUpdated(index) => {
1308                self.entry_view_state.update(cx, |view_state, cx| {
1309                    view_state.sync_entry(*index, thread, window, cx)
1310                });
1311            }
1312            AcpThreadEvent::EntriesRemoved(range) => {
1313                self.entry_view_state
1314                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1315                self.list_state.splice(range.clone(), 0);
1316            }
1317            AcpThreadEvent::ToolAuthorizationRequired => {
1318                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1319            }
1320            AcpThreadEvent::Retry(retry) => {
1321                self.thread_retry_status = Some(retry.clone());
1322            }
1323            AcpThreadEvent::Stopped => {
1324                self.thread_retry_status.take();
1325                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1326                self.notify_with_sound(
1327                    if used_tools {
1328                        "Finished running tools"
1329                    } else {
1330                        "New message"
1331                    },
1332                    IconName::ZedAssistant,
1333                    window,
1334                    cx,
1335                );
1336            }
1337            AcpThreadEvent::Refusal => {
1338                self.thread_retry_status.take();
1339                self.thread_error = Some(ThreadError::Refusal);
1340                let model_or_agent_name = self.get_current_model_name(cx);
1341                let notification_message =
1342                    format!("{} refused to respond to this request", model_or_agent_name);
1343                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1344            }
1345            AcpThreadEvent::Error => {
1346                self.thread_retry_status.take();
1347                self.notify_with_sound(
1348                    "Agent stopped due to an error",
1349                    IconName::Warning,
1350                    window,
1351                    cx,
1352                );
1353            }
1354            AcpThreadEvent::LoadError(error) => {
1355                self.thread_retry_status.take();
1356                self.thread_state = ThreadState::LoadError(error.clone());
1357                if self.message_editor.focus_handle(cx).is_focused(window) {
1358                    self.focus_handle.focus(window)
1359                }
1360            }
1361            AcpThreadEvent::TitleUpdated => {
1362                let title = thread.read(cx).title();
1363                if let Some(title_editor) = self.title_editor() {
1364                    title_editor.update(cx, |editor, cx| {
1365                        if editor.text(cx) != title {
1366                            editor.set_text(title, window, cx);
1367                        }
1368                    });
1369                }
1370            }
1371            AcpThreadEvent::PromptCapabilitiesUpdated => {
1372                self.prompt_capabilities
1373                    .set(thread.read(cx).prompt_capabilities());
1374            }
1375            AcpThreadEvent::TokenUsageUpdated => {}
1376            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1377                let mut available_commands = available_commands.clone();
1378
1379                if thread
1380                    .read(cx)
1381                    .connection()
1382                    .auth_methods()
1383                    .iter()
1384                    .any(|method| method.id.0.as_ref() == "claude-login")
1385                {
1386                    available_commands.push(acp::AvailableCommand {
1387                        name: "login".to_owned(),
1388                        description: "Authenticate".to_owned(),
1389                        input: None,
1390                    });
1391                    available_commands.push(acp::AvailableCommand {
1392                        name: "logout".to_owned(),
1393                        description: "Authenticate".to_owned(),
1394                        input: None,
1395                    });
1396                }
1397
1398                self.available_commands.replace(available_commands);
1399            }
1400            AcpThreadEvent::ModeUpdated(_mode) => {
1401                // The connection keeps track of the mode
1402                cx.notify();
1403            }
1404        }
1405        cx.notify();
1406    }
1407
1408    fn authenticate(
1409        &mut self,
1410        method: acp::AuthMethodId,
1411        window: &mut Window,
1412        cx: &mut Context<Self>,
1413    ) {
1414        let ThreadState::Unauthenticated {
1415            connection,
1416            pending_auth_method,
1417            configuration_view,
1418            ..
1419        } = &mut self.thread_state
1420        else {
1421            return;
1422        };
1423
1424        if method.0.as_ref() == "gemini-api-key" {
1425            let registry = LanguageModelRegistry::global(cx);
1426            let provider = registry
1427                .read(cx)
1428                .provider(&language_model::GOOGLE_PROVIDER_ID)
1429                .unwrap();
1430            if !provider.is_authenticated(cx) {
1431                let this = cx.weak_entity();
1432                let agent = self.agent.clone();
1433                let connection = connection.clone();
1434                window.defer(cx, |window, cx| {
1435                    Self::handle_auth_required(
1436                        this,
1437                        AuthRequired {
1438                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1439                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1440                        },
1441                        agent,
1442                        connection,
1443                        window,
1444                        cx,
1445                    );
1446                });
1447                return;
1448            }
1449        } else if method.0.as_ref() == "anthropic-api-key" {
1450            let registry = LanguageModelRegistry::global(cx);
1451            let provider = registry
1452                .read(cx)
1453                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1454                .unwrap();
1455            let this = cx.weak_entity();
1456            let agent = self.agent.clone();
1457            let connection = connection.clone();
1458            window.defer(cx, move |window, cx| {
1459                if !provider.is_authenticated(cx) {
1460                    Self::handle_auth_required(
1461                        this,
1462                        AuthRequired {
1463                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1464                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1465                        },
1466                        agent,
1467                        connection,
1468                        window,
1469                        cx,
1470                    );
1471                } else {
1472                    this.update(cx, |this, cx| {
1473                        this.thread_state = Self::initial_state(
1474                            agent,
1475                            None,
1476                            this.workspace.clone(),
1477                            this.project.clone(),
1478                            window,
1479                            cx,
1480                        )
1481                    })
1482                    .ok();
1483                }
1484            });
1485            return;
1486        } else if method.0.as_ref() == "vertex-ai"
1487            && std::env::var("GOOGLE_API_KEY").is_err()
1488            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1489                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1490        {
1491            let this = cx.weak_entity();
1492            let agent = self.agent.clone();
1493            let connection = connection.clone();
1494
1495            window.defer(cx, |window, cx| {
1496                    Self::handle_auth_required(
1497                        this,
1498                        AuthRequired {
1499                            description: Some(
1500                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1501                                    .to_owned(),
1502                            ),
1503                            provider_id: None,
1504                        },
1505                        agent,
1506                        connection,
1507                        window,
1508                        cx,
1509                    )
1510                });
1511            return;
1512        }
1513
1514        self.thread_error.take();
1515        configuration_view.take();
1516        pending_auth_method.replace(method.clone());
1517        let authenticate = if (method.0.as_ref() == "claude-login"
1518            || method.0.as_ref() == "spawn-gemini-cli")
1519            && let Some(login) = self.login.clone()
1520        {
1521            if let Some(workspace) = self.workspace.upgrade() {
1522                Self::spawn_external_agent_login(login, workspace, false, window, cx)
1523            } else {
1524                Task::ready(Ok(()))
1525            }
1526        } else {
1527            connection.authenticate(method, cx)
1528        };
1529        cx.notify();
1530        self.auth_task =
1531            Some(cx.spawn_in(window, {
1532                let agent = self.agent.clone();
1533                async move |this, cx| {
1534                    let result = authenticate.await;
1535
1536                    match &result {
1537                        Ok(_) => telemetry::event!(
1538                            "Authenticate Agent Succeeded",
1539                            agent = agent.telemetry_id()
1540                        ),
1541                        Err(_) => {
1542                            telemetry::event!(
1543                                "Authenticate Agent Failed",
1544                                agent = agent.telemetry_id(),
1545                            )
1546                        }
1547                    }
1548
1549                    this.update_in(cx, |this, window, cx| {
1550                        if let Err(err) = result {
1551                            if let ThreadState::Unauthenticated {
1552                                pending_auth_method,
1553                                ..
1554                            } = &mut this.thread_state
1555                            {
1556                                pending_auth_method.take();
1557                            }
1558                            this.handle_thread_error(err, cx);
1559                        } else {
1560                            this.reset(window, cx);
1561                        }
1562                        this.auth_task.take()
1563                    })
1564                    .ok();
1565                }
1566            }));
1567    }
1568
1569    fn spawn_external_agent_login(
1570        login: task::SpawnInTerminal,
1571        workspace: Entity<Workspace>,
1572        previous_attempt: bool,
1573        window: &mut Window,
1574        cx: &mut App,
1575    ) -> Task<Result<()>> {
1576        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1577            return Task::ready(Ok(()));
1578        };
1579        let project = workspace.read(cx).project().clone();
1580        let cwd = project.read(cx).first_project_directory(cx);
1581        let shell = project.read(cx).terminal_settings(&cwd, cx).shell.clone();
1582
1583        window.spawn(cx, async move |cx| {
1584            let mut task = login.clone();
1585            task.command = task
1586                .command
1587                .map(|command| anyhow::Ok(shlex::try_quote(&command)?.to_string()))
1588                .transpose()?;
1589            task.args = task
1590                .args
1591                .iter()
1592                .map(|arg| {
1593                    Ok(shlex::try_quote(arg)
1594                        .context("Failed to quote argument")?
1595                        .to_string())
1596                })
1597                .collect::<Result<Vec<_>>>()?;
1598            task.full_label = task.label.clone();
1599            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1600            task.command_label = task.label.clone();
1601            task.use_new_terminal = true;
1602            task.allow_concurrent_runs = true;
1603            task.hide = task::HideStrategy::Always;
1604            task.shell = shell;
1605
1606            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1607                terminal_panel.spawn_task(&login, window, cx)
1608            })?;
1609
1610            let terminal = terminal.await?;
1611            let mut exit_status = terminal
1612                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1613                .fuse();
1614
1615            let logged_in = cx
1616                .spawn({
1617                    let terminal = terminal.clone();
1618                    async move |cx| {
1619                        loop {
1620                            cx.background_executor().timer(Duration::from_secs(1)).await;
1621                            let content =
1622                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1623                            if content.contains("Login successful")
1624                                || content.contains("Type your message")
1625                            {
1626                                return anyhow::Ok(());
1627                            }
1628                        }
1629                    }
1630                })
1631                .fuse();
1632            futures::pin_mut!(logged_in);
1633            futures::select_biased! {
1634                result = logged_in => {
1635                    if let Err(e) = result {
1636                        log::error!("{e}");
1637                        return Err(anyhow!("exited before logging in"));
1638                    }
1639                }
1640                _ = exit_status => {
1641                    if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1642                        return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, true, window, cx))?.await
1643                    }
1644                    return Err(anyhow!("exited before logging in"));
1645                }
1646            }
1647            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1648            Ok(())
1649        })
1650    }
1651
1652    fn authorize_tool_call(
1653        &mut self,
1654        tool_call_id: acp::ToolCallId,
1655        option_id: acp::PermissionOptionId,
1656        option_kind: acp::PermissionOptionKind,
1657        window: &mut Window,
1658        cx: &mut Context<Self>,
1659    ) {
1660        let Some(thread) = self.thread() else {
1661            return;
1662        };
1663        thread.update(cx, |thread, cx| {
1664            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1665        });
1666        if self.should_be_following {
1667            self.workspace
1668                .update(cx, |workspace, cx| {
1669                    workspace.follow(CollaboratorId::Agent, window, cx);
1670                })
1671                .ok();
1672        }
1673        cx.notify();
1674    }
1675
1676    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1677        let Some(thread) = self.thread() else {
1678            return;
1679        };
1680
1681        thread
1682            .update(cx, |thread, cx| {
1683                thread.restore_checkpoint(message_id.clone(), cx)
1684            })
1685            .detach_and_log_err(cx);
1686    }
1687
1688    fn render_entry(
1689        &self,
1690        entry_ix: usize,
1691        total_entries: usize,
1692        entry: &AgentThreadEntry,
1693        window: &mut Window,
1694        cx: &Context<Self>,
1695    ) -> AnyElement {
1696        let primary = match &entry {
1697            AgentThreadEntry::UserMessage(message) => {
1698                let Some(editor) = self
1699                    .entry_view_state
1700                    .read(cx)
1701                    .entry(entry_ix)
1702                    .and_then(|entry| entry.message_editor())
1703                    .cloned()
1704                else {
1705                    return Empty.into_any_element();
1706                };
1707
1708                let editing = self.editing_message == Some(entry_ix);
1709                let editor_focus = editor.focus_handle(cx).is_focused(window);
1710                let focus_border = cx.theme().colors().border_focused;
1711
1712                let rules_item = if entry_ix == 0 {
1713                    self.render_rules_item(cx)
1714                } else {
1715                    None
1716                };
1717
1718                let has_checkpoint_button = message
1719                    .checkpoint
1720                    .as_ref()
1721                    .is_some_and(|checkpoint| checkpoint.show);
1722
1723                let agent_name = self.agent.name();
1724
1725                v_flex()
1726                    .id(("user_message", entry_ix))
1727                    .map(|this| {
1728                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1729                            this.pt(rems_from_px(18.))
1730                        } else if rules_item.is_some() {
1731                            this.pt_3()
1732                        } else {
1733                            this.pt_2()
1734                        }
1735                    })
1736                    .pb_3()
1737                    .px_2()
1738                    .gap_1p5()
1739                    .w_full()
1740                    .children(rules_item)
1741                    .children(message.id.clone().and_then(|message_id| {
1742                        message.checkpoint.as_ref()?.show.then(|| {
1743                            h_flex()
1744                                .px_3()
1745                                .gap_2()
1746                                .child(Divider::horizontal())
1747                                .child(
1748                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1749                                        .icon(IconName::Undo)
1750                                        .icon_size(IconSize::XSmall)
1751                                        .icon_position(IconPosition::Start)
1752                                        .label_size(LabelSize::XSmall)
1753                                        .icon_color(Color::Muted)
1754                                        .color(Color::Muted)
1755                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1756                                        .on_click(cx.listener(move |this, _, _window, cx| {
1757                                            this.restore_checkpoint(&message_id, cx);
1758                                        }))
1759                                )
1760                                .child(Divider::horizontal())
1761                        })
1762                    }))
1763                    .child(
1764                        div()
1765                            .relative()
1766                            .child(
1767                                div()
1768                                    .py_3()
1769                                    .px_2()
1770                                    .rounded_md()
1771                                    .shadow_md()
1772                                    .bg(cx.theme().colors().editor_background)
1773                                    .border_1()
1774                                    .when(editing && !editor_focus, |this| this.border_dashed())
1775                                    .border_color(cx.theme().colors().border)
1776                                    .map(|this|{
1777                                        if editing && editor_focus {
1778                                            this.border_color(focus_border)
1779                                        } else if message.id.is_some() {
1780                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1781                                        } else {
1782                                            this
1783                                        }
1784                                    })
1785                                    .text_xs()
1786                                    .child(editor.clone().into_any_element()),
1787                            )
1788                            .when(editor_focus, |this| {
1789                                let base_container = h_flex()
1790                                    .absolute()
1791                                    .top_neg_3p5()
1792                                    .right_3()
1793                                    .gap_1()
1794                                    .rounded_sm()
1795                                    .border_1()
1796                                    .border_color(cx.theme().colors().border)
1797                                    .bg(cx.theme().colors().editor_background)
1798                                    .overflow_hidden();
1799
1800                                if message.id.is_some() {
1801                                    this.child(
1802                                        base_container
1803                                            .child(
1804                                                IconButton::new("cancel", IconName::Close)
1805                                                    .disabled(self.is_loading_contents)
1806                                                    .icon_color(Color::Error)
1807                                                    .icon_size(IconSize::XSmall)
1808                                                    .on_click(cx.listener(Self::cancel_editing))
1809                                            )
1810                                            .child(
1811                                                if self.is_loading_contents {
1812                                                    div()
1813                                                        .id("loading-edited-message-content")
1814                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1815                                                        .child(loading_contents_spinner(IconSize::XSmall))
1816                                                        .into_any_element()
1817                                                } else {
1818                                                    IconButton::new("regenerate", IconName::Return)
1819                                                        .icon_color(Color::Muted)
1820                                                        .icon_size(IconSize::XSmall)
1821                                                        .tooltip(Tooltip::text(
1822                                                            "Editing will restart the thread from this point."
1823                                                        ))
1824                                                        .on_click(cx.listener({
1825                                                            let editor = editor.clone();
1826                                                            move |this, _, window, cx| {
1827                                                                this.regenerate(
1828                                                                    entry_ix, editor.clone(), window, cx,
1829                                                                );
1830                                                            }
1831                                                        })).into_any_element()
1832                                                }
1833                                            )
1834                                    )
1835                                } else {
1836                                    this.child(
1837                                        base_container
1838                                            .border_dashed()
1839                                            .child(
1840                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1841                                                    .icon_size(IconSize::Small)
1842                                                    .icon_color(Color::Muted)
1843                                                    .style(ButtonStyle::Transparent)
1844                                                    .tooltip(move |_window, cx| {
1845                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1846                                                            .into()
1847                                                    })
1848                                            )
1849                                    )
1850                                }
1851                            }),
1852                    )
1853                    .into_any()
1854            }
1855            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1856                let is_last = entry_ix + 1 == total_entries;
1857
1858                let style = default_markdown_style(false, false, window, cx);
1859                let message_body = v_flex()
1860                    .w_full()
1861                    .gap_3()
1862                    .children(chunks.iter().enumerate().filter_map(
1863                        |(chunk_ix, chunk)| match chunk {
1864                            AssistantMessageChunk::Message { block } => {
1865                                block.markdown().map(|md| {
1866                                    self.render_markdown(md.clone(), style.clone())
1867                                        .into_any_element()
1868                                })
1869                            }
1870                            AssistantMessageChunk::Thought { block } => {
1871                                block.markdown().map(|md| {
1872                                    self.render_thinking_block(
1873                                        entry_ix,
1874                                        chunk_ix,
1875                                        md.clone(),
1876                                        window,
1877                                        cx,
1878                                    )
1879                                    .into_any_element()
1880                                })
1881                            }
1882                        },
1883                    ))
1884                    .into_any();
1885
1886                v_flex()
1887                    .px_5()
1888                    .py_1p5()
1889                    .when(is_last, |this| this.pb_4())
1890                    .w_full()
1891                    .text_ui(cx)
1892                    .child(message_body)
1893                    .into_any()
1894            }
1895            AgentThreadEntry::ToolCall(tool_call) => {
1896                let has_terminals = tool_call.terminals().next().is_some();
1897
1898                div().w_full().map(|this| {
1899                    if has_terminals {
1900                        this.children(tool_call.terminals().map(|terminal| {
1901                            self.render_terminal_tool_call(
1902                                entry_ix, terminal, tool_call, window, cx,
1903                            )
1904                        }))
1905                    } else {
1906                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1907                    }
1908                })
1909            }
1910            .into_any(),
1911        };
1912
1913        let Some(thread) = self.thread() else {
1914            return primary;
1915        };
1916
1917        let primary = if entry_ix == total_entries - 1 {
1918            v_flex()
1919                .w_full()
1920                .child(primary)
1921                .child(self.render_thread_controls(&thread, cx))
1922                .when_some(
1923                    self.thread_feedback.comments_editor.clone(),
1924                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1925                )
1926                .into_any_element()
1927        } else {
1928            primary
1929        };
1930
1931        if let Some(editing_index) = self.editing_message.as_ref()
1932            && *editing_index < entry_ix
1933        {
1934            let backdrop = div()
1935                .id(("backdrop", entry_ix))
1936                .size_full()
1937                .absolute()
1938                .inset_0()
1939                .bg(cx.theme().colors().panel_background)
1940                .opacity(0.8)
1941                .block_mouse_except_scroll()
1942                .on_click(cx.listener(Self::cancel_editing));
1943
1944            div()
1945                .relative()
1946                .child(primary)
1947                .child(backdrop)
1948                .into_any_element()
1949        } else {
1950            primary
1951        }
1952    }
1953
1954    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1955        cx.theme()
1956            .colors()
1957            .element_background
1958            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1959    }
1960
1961    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1962        cx.theme().colors().border.opacity(0.8)
1963    }
1964
1965    fn tool_name_font_size(&self) -> Rems {
1966        rems_from_px(13.)
1967    }
1968
1969    fn render_thinking_block(
1970        &self,
1971        entry_ix: usize,
1972        chunk_ix: usize,
1973        chunk: Entity<Markdown>,
1974        window: &Window,
1975        cx: &Context<Self>,
1976    ) -> AnyElement {
1977        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1978        let card_header_id = SharedString::from("inner-card-header");
1979
1980        let key = (entry_ix, chunk_ix);
1981
1982        let is_open = self.expanded_thinking_blocks.contains(&key);
1983
1984        let scroll_handle = self
1985            .entry_view_state
1986            .read(cx)
1987            .entry(entry_ix)
1988            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1989
1990        let thinking_content = {
1991            div()
1992                .id(("thinking-content", chunk_ix))
1993                .when_some(scroll_handle, |this, scroll_handle| {
1994                    this.track_scroll(&scroll_handle)
1995                })
1996                .text_ui_sm(cx)
1997                .overflow_hidden()
1998                .child(
1999                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2000                )
2001        };
2002
2003        v_flex()
2004            .gap_1()
2005            .child(
2006                h_flex()
2007                    .id(header_id)
2008                    .group(&card_header_id)
2009                    .relative()
2010                    .w_full()
2011                    .pr_1()
2012                    .justify_between()
2013                    .child(
2014                        h_flex()
2015                            .h(window.line_height() - px(2.))
2016                            .gap_1p5()
2017                            .overflow_hidden()
2018                            .child(
2019                                Icon::new(IconName::ToolThink)
2020                                    .size(IconSize::Small)
2021                                    .color(Color::Muted),
2022                            )
2023                            .child(
2024                                div()
2025                                    .text_size(self.tool_name_font_size())
2026                                    .text_color(cx.theme().colors().text_muted)
2027                                    .child("Thinking"),
2028                            ),
2029                    )
2030                    .child(
2031                        Disclosure::new(("expand", entry_ix), is_open)
2032                            .opened_icon(IconName::ChevronUp)
2033                            .closed_icon(IconName::ChevronDown)
2034                            .visible_on_hover(&card_header_id)
2035                            .on_click(cx.listener({
2036                                move |this, _event, _window, cx| {
2037                                    if is_open {
2038                                        this.expanded_thinking_blocks.remove(&key);
2039                                    } else {
2040                                        this.expanded_thinking_blocks.insert(key);
2041                                    }
2042                                    cx.notify();
2043                                }
2044                            })),
2045                    )
2046                    .on_click(cx.listener({
2047                        move |this, _event, _window, cx| {
2048                            if is_open {
2049                                this.expanded_thinking_blocks.remove(&key);
2050                            } else {
2051                                this.expanded_thinking_blocks.insert(key);
2052                            }
2053                            cx.notify();
2054                        }
2055                    })),
2056            )
2057            .when(is_open, |this| {
2058                this.child(
2059                    div()
2060                        .ml_1p5()
2061                        .pl_3p5()
2062                        .border_l_1()
2063                        .border_color(self.tool_card_border_color(cx))
2064                        .child(thinking_content),
2065                )
2066            })
2067            .into_any_element()
2068    }
2069
2070    fn render_tool_call(
2071        &self,
2072        entry_ix: usize,
2073        tool_call: &ToolCall,
2074        window: &Window,
2075        cx: &Context<Self>,
2076    ) -> Div {
2077        let has_location = tool_call.locations.len() == 1;
2078        let card_header_id = SharedString::from("inner-tool-call-header");
2079
2080        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2081            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2082                .map(Icon::from_path)
2083                .unwrap_or(Icon::new(IconName::ToolPencil))
2084        } else {
2085            Icon::new(match tool_call.kind {
2086                acp::ToolKind::Read => IconName::ToolSearch,
2087                acp::ToolKind::Edit => IconName::ToolPencil,
2088                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2089                acp::ToolKind::Move => IconName::ArrowRightLeft,
2090                acp::ToolKind::Search => IconName::ToolSearch,
2091                acp::ToolKind::Execute => IconName::ToolTerminal,
2092                acp::ToolKind::Think => IconName::ToolThink,
2093                acp::ToolKind::Fetch => IconName::ToolWeb,
2094                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2095                acp::ToolKind::Other => IconName::ToolHammer,
2096            })
2097        }
2098        .size(IconSize::Small)
2099        .color(Color::Muted);
2100
2101        let failed_or_canceled = match &tool_call.status {
2102            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2103            _ => false,
2104        };
2105
2106        let needs_confirmation = matches!(
2107            tool_call.status,
2108            ToolCallStatus::WaitingForConfirmation { .. }
2109        );
2110        let is_edit =
2111            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2112        let use_card_layout = needs_confirmation || is_edit;
2113
2114        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2115
2116        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2117
2118        let gradient_overlay = {
2119            div()
2120                .absolute()
2121                .top_0()
2122                .right_0()
2123                .w_12()
2124                .h_full()
2125                .map(|this| {
2126                    if use_card_layout {
2127                        this.bg(linear_gradient(
2128                            90.,
2129                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2130                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2131                        ))
2132                    } else {
2133                        this.bg(linear_gradient(
2134                            90.,
2135                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2136                            linear_color_stop(
2137                                cx.theme().colors().panel_background.opacity(0.2),
2138                                0.,
2139                            ),
2140                        ))
2141                    }
2142                })
2143        };
2144
2145        let tool_output_display =
2146            if is_open {
2147                match &tool_call.status {
2148                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2149                        .w_full()
2150                        .children(tool_call.content.iter().enumerate().map(
2151                            |(content_ix, content)| {
2152                                div()
2153                                    .child(self.render_tool_call_content(
2154                                        entry_ix,
2155                                        content,
2156                                        content_ix,
2157                                        tool_call,
2158                                        use_card_layout,
2159                                        window,
2160                                        cx,
2161                                    ))
2162                                    .into_any_element()
2163                            },
2164                        ))
2165                        .child(self.render_permission_buttons(
2166                            tool_call.kind,
2167                            options,
2168                            entry_ix,
2169                            tool_call.id.clone(),
2170                            cx,
2171                        ))
2172                        .into_any(),
2173                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2174                        if is_edit
2175                            && tool_call.content.is_empty()
2176                            && self.as_native_connection(cx).is_some() =>
2177                    {
2178                        self.render_diff_loading(cx).into_any()
2179                    }
2180                    ToolCallStatus::Pending
2181                    | ToolCallStatus::InProgress
2182                    | ToolCallStatus::Completed
2183                    | ToolCallStatus::Failed
2184                    | ToolCallStatus::Canceled => v_flex()
2185                        .w_full()
2186                        .children(tool_call.content.iter().enumerate().map(
2187                            |(content_ix, content)| {
2188                                div().child(self.render_tool_call_content(
2189                                    entry_ix,
2190                                    content,
2191                                    content_ix,
2192                                    tool_call,
2193                                    use_card_layout,
2194                                    window,
2195                                    cx,
2196                                ))
2197                            },
2198                        ))
2199                        .into_any(),
2200                    ToolCallStatus::Rejected => Empty.into_any(),
2201                }
2202                .into()
2203            } else {
2204                None
2205            };
2206
2207        v_flex()
2208            .map(|this| {
2209                if use_card_layout {
2210                    this.my_1p5()
2211                        .rounded_md()
2212                        .border_1()
2213                        .border_color(self.tool_card_border_color(cx))
2214                        .bg(cx.theme().colors().editor_background)
2215                        .overflow_hidden()
2216                } else {
2217                    this.my_1()
2218                }
2219            })
2220            .map(|this| {
2221                if has_location && !use_card_layout {
2222                    this.ml_4()
2223                } else {
2224                    this.ml_5()
2225                }
2226            })
2227            .mr_5()
2228            .child(
2229                h_flex()
2230                    .group(&card_header_id)
2231                    .relative()
2232                    .w_full()
2233                    .gap_1()
2234                    .justify_between()
2235                    .when(use_card_layout, |this| {
2236                        this.p_0p5()
2237                            .rounded_t(rems_from_px(5.))
2238                            .bg(self.tool_card_header_bg(cx))
2239                    })
2240                    .child(
2241                        h_flex()
2242                            .relative()
2243                            .w_full()
2244                            .h(window.line_height() - px(2.))
2245                            .text_size(self.tool_name_font_size())
2246                            .gap_1p5()
2247                            .when(has_location || use_card_layout, |this| this.px_1())
2248                            .when(has_location, |this| {
2249                                this.cursor(CursorStyle::PointingHand)
2250                                    .rounded(rems_from_px(3.)) // Concentric border radius
2251                                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2252                            })
2253                            .overflow_hidden()
2254                            .child(tool_icon)
2255                            .child(if has_location {
2256                                h_flex()
2257                                    .id(("open-tool-call-location", entry_ix))
2258                                    .w_full()
2259                                    .map(|this| {
2260                                        if use_card_layout {
2261                                            this.text_color(cx.theme().colors().text)
2262                                        } else {
2263                                            this.text_color(cx.theme().colors().text_muted)
2264                                        }
2265                                    })
2266                                    .child(self.render_markdown(
2267                                        tool_call.label.clone(),
2268                                        MarkdownStyle {
2269                                            prevent_mouse_interaction: true,
2270                                            ..default_markdown_style(false, true, window, cx)
2271                                        },
2272                                    ))
2273                                    .tooltip(Tooltip::text("Jump to File"))
2274                                    .on_click(cx.listener(move |this, _, window, cx| {
2275                                        this.open_tool_call_location(entry_ix, 0, window, cx);
2276                                    }))
2277                                    .into_any_element()
2278                            } else {
2279                                h_flex()
2280                                    .w_full()
2281                                    .child(self.render_markdown(
2282                                        tool_call.label.clone(),
2283                                        default_markdown_style(false, true, window, cx),
2284                                    ))
2285                                    .into_any()
2286                            })
2287                            .when(!has_location, |this| this.child(gradient_overlay)),
2288                    )
2289                    .when(is_collapsible || failed_or_canceled, |this| {
2290                        this.child(
2291                            h_flex()
2292                                .px_1()
2293                                .gap_px()
2294                                .when(is_collapsible, |this| {
2295                                    this.child(
2296                                    Disclosure::new(("expand", entry_ix), is_open)
2297                                        .opened_icon(IconName::ChevronUp)
2298                                        .closed_icon(IconName::ChevronDown)
2299                                        .visible_on_hover(&card_header_id)
2300                                        .on_click(cx.listener({
2301                                            let id = tool_call.id.clone();
2302                                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2303                                                if is_open {
2304                                                    this.expanded_tool_calls.remove(&id);
2305                                                } else {
2306                                                    this.expanded_tool_calls.insert(id.clone());
2307                                                }
2308                                                cx.notify();
2309                                            }
2310                                        })),
2311                                )
2312                                })
2313                                .when(failed_or_canceled, |this| {
2314                                    this.child(
2315                                        Icon::new(IconName::Close)
2316                                            .color(Color::Error)
2317                                            .size(IconSize::Small),
2318                                    )
2319                                }),
2320                        )
2321                    }),
2322            )
2323            .children(tool_output_display)
2324    }
2325
2326    fn render_tool_call_content(
2327        &self,
2328        entry_ix: usize,
2329        content: &ToolCallContent,
2330        context_ix: usize,
2331        tool_call: &ToolCall,
2332        card_layout: bool,
2333        window: &Window,
2334        cx: &Context<Self>,
2335    ) -> AnyElement {
2336        match content {
2337            ToolCallContent::ContentBlock(content) => {
2338                if let Some(resource_link) = content.resource_link() {
2339                    self.render_resource_link(resource_link, cx)
2340                } else if let Some(markdown) = content.markdown() {
2341                    self.render_markdown_output(
2342                        markdown.clone(),
2343                        tool_call.id.clone(),
2344                        context_ix,
2345                        card_layout,
2346                        window,
2347                        cx,
2348                    )
2349                } else {
2350                    Empty.into_any_element()
2351                }
2352            }
2353            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2354            ToolCallContent::Terminal(terminal) => {
2355                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2356            }
2357        }
2358    }
2359
2360    fn render_markdown_output(
2361        &self,
2362        markdown: Entity<Markdown>,
2363        tool_call_id: acp::ToolCallId,
2364        context_ix: usize,
2365        card_layout: bool,
2366        window: &Window,
2367        cx: &Context<Self>,
2368    ) -> AnyElement {
2369        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2370
2371        v_flex()
2372            .mt_1p5()
2373            .gap_2()
2374            .when(!card_layout, |this| {
2375                this.ml(rems(0.4))
2376                    .px_3p5()
2377                    .border_l_1()
2378                    .border_color(self.tool_card_border_color(cx))
2379            })
2380            .when(card_layout, |this| {
2381                this.px_2().pb_2().when(context_ix > 0, |this| {
2382                    this.border_t_1()
2383                        .pt_2()
2384                        .border_color(self.tool_card_border_color(cx))
2385                })
2386            })
2387            .text_xs()
2388            .text_color(cx.theme().colors().text_muted)
2389            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2390            .when(!card_layout, |this| {
2391                this.child(
2392                    IconButton::new(button_id, IconName::ChevronUp)
2393                        .full_width()
2394                        .style(ButtonStyle::Outlined)
2395                        .icon_color(Color::Muted)
2396                        .on_click(cx.listener({
2397                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2398                                this.expanded_tool_calls.remove(&tool_call_id);
2399                                cx.notify();
2400                            }
2401                        })),
2402                )
2403            })
2404            .into_any_element()
2405    }
2406
2407    fn render_resource_link(
2408        &self,
2409        resource_link: &acp::ResourceLink,
2410        cx: &Context<Self>,
2411    ) -> AnyElement {
2412        let uri: SharedString = resource_link.uri.clone().into();
2413        let is_file = resource_link.uri.strip_prefix("file://");
2414
2415        let label: SharedString = if let Some(abs_path) = is_file {
2416            if let Some(project_path) = self
2417                .project
2418                .read(cx)
2419                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2420                && let Some(worktree) = self
2421                    .project
2422                    .read(cx)
2423                    .worktree_for_id(project_path.worktree_id, cx)
2424            {
2425                worktree
2426                    .read(cx)
2427                    .full_path(&project_path.path)
2428                    .to_string_lossy()
2429                    .to_string()
2430                    .into()
2431            } else {
2432                abs_path.to_string().into()
2433            }
2434        } else {
2435            uri.clone()
2436        };
2437
2438        let button_id = SharedString::from(format!("item-{}", uri));
2439
2440        div()
2441            .ml(rems(0.4))
2442            .pl_2p5()
2443            .border_l_1()
2444            .border_color(self.tool_card_border_color(cx))
2445            .overflow_hidden()
2446            .child(
2447                Button::new(button_id, label)
2448                    .label_size(LabelSize::Small)
2449                    .color(Color::Muted)
2450                    .truncate(true)
2451                    .when(is_file.is_none(), |this| {
2452                        this.icon(IconName::ArrowUpRight)
2453                            .icon_size(IconSize::XSmall)
2454                            .icon_color(Color::Muted)
2455                    })
2456                    .on_click(cx.listener({
2457                        let workspace = self.workspace.clone();
2458                        move |_, _, window, cx: &mut Context<Self>| {
2459                            Self::open_link(uri.clone(), &workspace, window, cx);
2460                        }
2461                    })),
2462            )
2463            .into_any_element()
2464    }
2465
2466    fn render_permission_buttons(
2467        &self,
2468        kind: acp::ToolKind,
2469        options: &[acp::PermissionOption],
2470        entry_ix: usize,
2471        tool_call_id: acp::ToolCallId,
2472        cx: &Context<Self>,
2473    ) -> Div {
2474        h_flex()
2475            .py_1()
2476            .px_1()
2477            .gap_1()
2478            .justify_between()
2479            .flex_wrap()
2480            .border_t_1()
2481            .border_color(self.tool_card_border_color(cx))
2482            .when(kind != acp::ToolKind::SwitchMode, |this| {
2483                this.pl_2().child(
2484                    div().min_w(rems_from_px(145.)).child(
2485                        LoadingLabel::new("Waiting for Confirmation").size(LabelSize::Small),
2486                    ),
2487                )
2488            })
2489            .child({
2490                div()
2491                    .map(|this| {
2492                        if kind == acp::ToolKind::SwitchMode {
2493                            this.w_full().v_flex()
2494                        } else {
2495                            this.h_flex()
2496                        }
2497                    })
2498                    .gap_0p5()
2499                    .children(options.iter().map(|option| {
2500                        let option_id = SharedString::from(option.id.0.clone());
2501                        Button::new((option_id, entry_ix), option.name.clone())
2502                            .map(|this| match option.kind {
2503                                acp::PermissionOptionKind::AllowOnce => {
2504                                    this.icon(IconName::Check).icon_color(Color::Success)
2505                                }
2506                                acp::PermissionOptionKind::AllowAlways => {
2507                                    this.icon(IconName::CheckDouble).icon_color(Color::Success)
2508                                }
2509                                acp::PermissionOptionKind::RejectOnce => {
2510                                    this.icon(IconName::Close).icon_color(Color::Error)
2511                                }
2512                                acp::PermissionOptionKind::RejectAlways => {
2513                                    this.icon(IconName::Close).icon_color(Color::Error)
2514                                }
2515                            })
2516                            .icon_position(IconPosition::Start)
2517                            .icon_size(IconSize::XSmall)
2518                            .label_size(LabelSize::Small)
2519                            .on_click(cx.listener({
2520                                let tool_call_id = tool_call_id.clone();
2521                                let option_id = option.id.clone();
2522                                let option_kind = option.kind;
2523                                move |this, _, window, cx| {
2524                                    this.authorize_tool_call(
2525                                        tool_call_id.clone(),
2526                                        option_id.clone(),
2527                                        option_kind,
2528                                        window,
2529                                        cx,
2530                                    );
2531                                }
2532                            }))
2533                    }))
2534            })
2535    }
2536
2537    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2538        let bar = |n: u64, width_class: &str| {
2539            let bg_color = cx.theme().colors().element_active;
2540            let base = h_flex().h_1().rounded_full();
2541
2542            let modified = match width_class {
2543                "w_4_5" => base.w_3_4(),
2544                "w_1_4" => base.w_1_4(),
2545                "w_2_4" => base.w_2_4(),
2546                "w_3_5" => base.w_3_5(),
2547                "w_2_5" => base.w_2_5(),
2548                _ => base.w_1_2(),
2549            };
2550
2551            modified.with_animation(
2552                ElementId::Integer(n),
2553                Animation::new(Duration::from_secs(2)).repeat(),
2554                move |tab, delta| {
2555                    let delta = (delta - 0.15 * n as f32) / 0.7;
2556                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2557                    let delta = ease_in_out(delta.clamp(0., 1.));
2558                    let delta = 0.1 + 0.9 * delta;
2559
2560                    tab.bg(bg_color.opacity(delta))
2561                },
2562            )
2563        };
2564
2565        v_flex()
2566            .p_3()
2567            .gap_1()
2568            .rounded_b_md()
2569            .bg(cx.theme().colors().editor_background)
2570            .child(bar(0, "w_4_5"))
2571            .child(bar(1, "w_1_4"))
2572            .child(bar(2, "w_2_4"))
2573            .child(bar(3, "w_3_5"))
2574            .child(bar(4, "w_2_5"))
2575            .into_any_element()
2576    }
2577
2578    fn render_diff_editor(
2579        &self,
2580        entry_ix: usize,
2581        diff: &Entity<acp_thread::Diff>,
2582        tool_call: &ToolCall,
2583        cx: &Context<Self>,
2584    ) -> AnyElement {
2585        let tool_progress = matches!(
2586            &tool_call.status,
2587            ToolCallStatus::InProgress | ToolCallStatus::Pending
2588        );
2589
2590        v_flex()
2591            .h_full()
2592            .border_t_1()
2593            .border_color(self.tool_card_border_color(cx))
2594            .child(
2595                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2596                    && let Some(editor) = entry.editor_for_diff(diff)
2597                    && diff.read(cx).has_revealed_range(cx)
2598                {
2599                    editor.into_any_element()
2600                } else if tool_progress && self.as_native_connection(cx).is_some() {
2601                    self.render_diff_loading(cx)
2602                } else {
2603                    Empty.into_any()
2604                },
2605            )
2606            .into_any()
2607    }
2608
2609    fn render_terminal_tool_call(
2610        &self,
2611        entry_ix: usize,
2612        terminal: &Entity<acp_thread::Terminal>,
2613        tool_call: &ToolCall,
2614        window: &Window,
2615        cx: &Context<Self>,
2616    ) -> AnyElement {
2617        let terminal_data = terminal.read(cx);
2618        let working_dir = terminal_data.working_dir();
2619        let command = terminal_data.command();
2620        let started_at = terminal_data.started_at();
2621
2622        let tool_failed = matches!(
2623            &tool_call.status,
2624            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2625        );
2626
2627        let output = terminal_data.output();
2628        let command_finished = output.is_some();
2629        let truncated_output =
2630            output.is_some_and(|output| output.original_content_len > output.content.len());
2631        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2632
2633        let command_failed = command_finished
2634            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2635
2636        let time_elapsed = if let Some(output) = output {
2637            output.ended_at.duration_since(started_at)
2638        } else {
2639            started_at.elapsed()
2640        };
2641
2642        let header_id =
2643            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2644        let header_group = SharedString::from(format!(
2645            "terminal-tool-header-group-{}",
2646            terminal.entity_id()
2647        ));
2648        let header_bg = cx
2649            .theme()
2650            .colors()
2651            .element_background
2652            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2653        let border_color = cx.theme().colors().border.opacity(0.6);
2654
2655        let working_dir = working_dir
2656            .as_ref()
2657            .map(|path| format!("{}", path.display()))
2658            .unwrap_or_else(|| "current directory".to_string());
2659
2660        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2661
2662        let header = h_flex()
2663            .id(header_id)
2664            .flex_none()
2665            .gap_1()
2666            .justify_between()
2667            .rounded_t_md()
2668            .child(
2669                div()
2670                    .id(("command-target-path", terminal.entity_id()))
2671                    .w_full()
2672                    .max_w_full()
2673                    .overflow_x_scroll()
2674                    .child(
2675                        Label::new(working_dir)
2676                            .buffer_font(cx)
2677                            .size(LabelSize::XSmall)
2678                            .color(Color::Muted),
2679                    ),
2680            )
2681            .when(!command_finished, |header| {
2682                header
2683                    .gap_1p5()
2684                    .child(
2685                        Button::new(
2686                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2687                            "Stop",
2688                        )
2689                        .icon(IconName::Stop)
2690                        .icon_position(IconPosition::Start)
2691                        .icon_size(IconSize::Small)
2692                        .icon_color(Color::Error)
2693                        .label_size(LabelSize::Small)
2694                        .tooltip(move |window, cx| {
2695                            Tooltip::with_meta(
2696                                "Stop This Command",
2697                                None,
2698                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2699                                window,
2700                                cx,
2701                            )
2702                        })
2703                        .on_click({
2704                            let terminal = terminal.clone();
2705                            cx.listener(move |_this, _event, _window, cx| {
2706                                let inner_terminal = terminal.read(cx).inner().clone();
2707                                inner_terminal.update(cx, |inner_terminal, _cx| {
2708                                    inner_terminal.kill_active_task();
2709                                });
2710                            })
2711                        }),
2712                    )
2713                    .child(Divider::vertical())
2714                    .child(
2715                        Icon::new(IconName::ArrowCircle)
2716                            .size(IconSize::XSmall)
2717                            .color(Color::Info)
2718                            .with_rotate_animation(2)
2719                    )
2720            })
2721            .when(truncated_output, |header| {
2722                let tooltip = if let Some(output) = output {
2723                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2724                       format!("Output exceeded terminal max lines and was \
2725                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2726                    } else {
2727                        format!(
2728                            "Output is {} long, and to avoid unexpected token usage, \
2729                                only {} was sent back to the agent.",
2730                            format_file_size(output.original_content_len as u64, true),
2731                             format_file_size(output.content.len() as u64, true)
2732                        )
2733                    }
2734                } else {
2735                    "Output was truncated".to_string()
2736                };
2737
2738                header.child(
2739                    h_flex()
2740                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2741                        .gap_1()
2742                        .child(
2743                            Icon::new(IconName::Info)
2744                                .size(IconSize::XSmall)
2745                                .color(Color::Ignored),
2746                        )
2747                        .child(
2748                            Label::new("Truncated")
2749                                .color(Color::Muted)
2750                                .size(LabelSize::XSmall),
2751                        )
2752                        .tooltip(Tooltip::text(tooltip)),
2753                )
2754            })
2755            .when(time_elapsed > Duration::from_secs(10), |header| {
2756                header.child(
2757                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2758                        .buffer_font(cx)
2759                        .color(Color::Muted)
2760                        .size(LabelSize::XSmall),
2761                )
2762            })
2763            .when(tool_failed || command_failed, |header| {
2764                header.child(
2765                    div()
2766                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2767                        .child(
2768                            Icon::new(IconName::Close)
2769                                .size(IconSize::Small)
2770                                .color(Color::Error),
2771                        )
2772                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2773                            this.tooltip(Tooltip::text(format!(
2774                                "Exited with code {}",
2775                                status.code().unwrap_or(-1),
2776                            )))
2777                        }),
2778                )
2779            })
2780            .child(
2781                Disclosure::new(
2782                    SharedString::from(format!(
2783                        "terminal-tool-disclosure-{}",
2784                        terminal.entity_id()
2785                    )),
2786                    is_expanded,
2787                )
2788                .opened_icon(IconName::ChevronUp)
2789                .closed_icon(IconName::ChevronDown)
2790                .visible_on_hover(&header_group)
2791                .on_click(cx.listener({
2792                    let id = tool_call.id.clone();
2793                    move |this, _event, _window, _cx| {
2794                        if is_expanded {
2795                            this.expanded_tool_calls.remove(&id);
2796                        } else {
2797                            this.expanded_tool_calls.insert(id.clone());
2798                        }
2799                    }
2800                })),
2801            );
2802
2803        let terminal_view = self
2804            .entry_view_state
2805            .read(cx)
2806            .entry(entry_ix)
2807            .and_then(|entry| entry.terminal(terminal));
2808        let show_output = is_expanded && terminal_view.is_some();
2809
2810        v_flex()
2811            .my_1p5()
2812            .mx_5()
2813            .border_1()
2814            .when(tool_failed || command_failed, |card| card.border_dashed())
2815            .border_color(border_color)
2816            .rounded_md()
2817            .overflow_hidden()
2818            .child(
2819                v_flex()
2820                    .group(&header_group)
2821                    .py_1p5()
2822                    .pr_1p5()
2823                    .pl_2()
2824                    .gap_0p5()
2825                    .bg(header_bg)
2826                    .text_xs()
2827                    .child(header)
2828                    .child(
2829                        MarkdownElement::new(
2830                            command.clone(),
2831                            terminal_command_markdown_style(window, cx),
2832                        )
2833                        .code_block_renderer(
2834                            markdown::CodeBlockRenderer::Default {
2835                                copy_button: false,
2836                                copy_button_on_hover: true,
2837                                border: false,
2838                            },
2839                        ),
2840                    ),
2841            )
2842            .when(show_output, |this| {
2843                this.child(
2844                    div()
2845                        .pt_2()
2846                        .border_t_1()
2847                        .when(tool_failed || command_failed, |card| card.border_dashed())
2848                        .border_color(border_color)
2849                        .bg(cx.theme().colors().editor_background)
2850                        .rounded_b_md()
2851                        .text_ui_sm(cx)
2852                        .h_full()
2853                        .children(terminal_view.map(|terminal_view| {
2854                            if terminal_view
2855                                .read(cx)
2856                                .content_mode(window, cx)
2857                                .is_scrollable()
2858                            {
2859                                div().h_72().child(terminal_view).into_any_element()
2860                            } else {
2861                                terminal_view.into_any_element()
2862                            }
2863                        })),
2864                )
2865            })
2866            .into_any()
2867    }
2868
2869    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2870        let project_context = self
2871            .as_native_thread(cx)?
2872            .read(cx)
2873            .project_context()
2874            .read(cx);
2875
2876        let user_rules_text = if project_context.user_rules.is_empty() {
2877            None
2878        } else if project_context.user_rules.len() == 1 {
2879            let user_rules = &project_context.user_rules[0];
2880
2881            match user_rules.title.as_ref() {
2882                Some(title) => Some(format!("Using \"{title}\" user rule")),
2883                None => Some("Using user rule".into()),
2884            }
2885        } else {
2886            Some(format!(
2887                "Using {} user rules",
2888                project_context.user_rules.len()
2889            ))
2890        };
2891
2892        let first_user_rules_id = project_context
2893            .user_rules
2894            .first()
2895            .map(|user_rules| user_rules.uuid.0);
2896
2897        let rules_files = project_context
2898            .worktrees
2899            .iter()
2900            .filter_map(|worktree| worktree.rules_file.as_ref())
2901            .collect::<Vec<_>>();
2902
2903        let rules_file_text = match rules_files.as_slice() {
2904            &[] => None,
2905            &[rules_file] => Some(format!(
2906                "Using project {:?} file",
2907                rules_file.path_in_worktree
2908            )),
2909            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2910        };
2911
2912        if user_rules_text.is_none() && rules_file_text.is_none() {
2913            return None;
2914        }
2915
2916        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2917
2918        Some(
2919            h_flex()
2920                .px_2p5()
2921                .child(
2922                    Icon::new(IconName::Attach)
2923                        .size(IconSize::XSmall)
2924                        .color(Color::Disabled),
2925                )
2926                .when_some(user_rules_text, |parent, user_rules_text| {
2927                    parent.child(
2928                        h_flex()
2929                            .id("user-rules")
2930                            .ml_1()
2931                            .mr_1p5()
2932                            .child(
2933                                Label::new(user_rules_text)
2934                                    .size(LabelSize::XSmall)
2935                                    .color(Color::Muted)
2936                                    .truncate(),
2937                            )
2938                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2939                            .tooltip(Tooltip::text("View User Rules"))
2940                            .on_click(move |_event, window, cx| {
2941                                window.dispatch_action(
2942                                    Box::new(OpenRulesLibrary {
2943                                        prompt_to_select: first_user_rules_id,
2944                                    }),
2945                                    cx,
2946                                )
2947                            }),
2948                    )
2949                })
2950                .when(has_both, |this| {
2951                    this.child(
2952                        Label::new("")
2953                            .size(LabelSize::XSmall)
2954                            .color(Color::Disabled),
2955                    )
2956                })
2957                .when_some(rules_file_text, |parent, rules_file_text| {
2958                    parent.child(
2959                        h_flex()
2960                            .id("project-rules")
2961                            .ml_1p5()
2962                            .child(
2963                                Label::new(rules_file_text)
2964                                    .size(LabelSize::XSmall)
2965                                    .color(Color::Muted),
2966                            )
2967                            .hover(|s| s.bg(cx.theme().colors().element_hover))
2968                            .tooltip(Tooltip::text("View Project Rules"))
2969                            .on_click(cx.listener(Self::handle_open_rules)),
2970                    )
2971                })
2972                .into_any(),
2973        )
2974    }
2975
2976    fn render_empty_state_section_header(
2977        &self,
2978        label: impl Into<SharedString>,
2979        action_slot: Option<AnyElement>,
2980        cx: &mut Context<Self>,
2981    ) -> impl IntoElement {
2982        div().pl_1().pr_1p5().child(
2983            h_flex()
2984                .mt_2()
2985                .pl_1p5()
2986                .pb_1()
2987                .w_full()
2988                .justify_between()
2989                .border_b_1()
2990                .border_color(cx.theme().colors().border_variant)
2991                .child(
2992                    Label::new(label.into())
2993                        .size(LabelSize::Small)
2994                        .color(Color::Muted),
2995                )
2996                .children(action_slot),
2997        )
2998    }
2999
3000    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3001        let render_history = self
3002            .agent
3003            .clone()
3004            .downcast::<agent2::NativeAgentServer>()
3005            .is_some()
3006            && self
3007                .history_store
3008                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3009
3010        v_flex()
3011            .size_full()
3012            .when(render_history, |this| {
3013                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3014                    history_store.entries().take(3).collect()
3015                });
3016                this.justify_end().child(
3017                    v_flex()
3018                        .child(
3019                            self.render_empty_state_section_header(
3020                                "Recent",
3021                                Some(
3022                                    Button::new("view-history", "View All")
3023                                        .style(ButtonStyle::Subtle)
3024                                        .label_size(LabelSize::Small)
3025                                        .key_binding(
3026                                            KeyBinding::for_action_in(
3027                                                &OpenHistory,
3028                                                &self.focus_handle(cx),
3029                                                window,
3030                                                cx,
3031                                            )
3032                                            .map(|kb| kb.size(rems_from_px(12.))),
3033                                        )
3034                                        .on_click(move |_event, window, cx| {
3035                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3036                                        })
3037                                        .into_any_element(),
3038                                ),
3039                                cx,
3040                            ),
3041                        )
3042                        .child(
3043                            v_flex().p_1().pr_1p5().gap_1().children(
3044                                recent_history
3045                                    .into_iter()
3046                                    .enumerate()
3047                                    .map(|(index, entry)| {
3048                                        // TODO: Add keyboard navigation.
3049                                        let is_hovered =
3050                                            self.hovered_recent_history_item == Some(index);
3051                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3052                                            entry,
3053                                            cx.entity().downgrade(),
3054                                        )
3055                                        .hovered(is_hovered)
3056                                        .on_hover(cx.listener(
3057                                            move |this, is_hovered, _window, cx| {
3058                                                if *is_hovered {
3059                                                    this.hovered_recent_history_item = Some(index);
3060                                                } else if this.hovered_recent_history_item
3061                                                    == Some(index)
3062                                                {
3063                                                    this.hovered_recent_history_item = None;
3064                                                }
3065                                                cx.notify();
3066                                            },
3067                                        ))
3068                                        .into_any_element()
3069                                    }),
3070                            ),
3071                        ),
3072                )
3073            })
3074            .into_any()
3075    }
3076
3077    fn render_auth_required_state(
3078        &self,
3079        connection: &Rc<dyn AgentConnection>,
3080        description: Option<&Entity<Markdown>>,
3081        configuration_view: Option<&AnyView>,
3082        pending_auth_method: Option<&acp::AuthMethodId>,
3083        window: &mut Window,
3084        cx: &Context<Self>,
3085    ) -> Div {
3086        let show_description =
3087            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3088
3089        let auth_methods = connection.auth_methods();
3090
3091        v_flex().flex_1().size_full().justify_end().child(
3092            v_flex()
3093                .p_2()
3094                .pr_3()
3095                .w_full()
3096                .gap_1()
3097                .border_t_1()
3098                .border_color(cx.theme().colors().border)
3099                .bg(cx.theme().status().warning.opacity(0.04))
3100                .child(
3101                    h_flex()
3102                        .gap_1p5()
3103                        .child(
3104                            Icon::new(IconName::Warning)
3105                                .color(Color::Warning)
3106                                .size(IconSize::Small),
3107                        )
3108                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3109                )
3110                .children(description.map(|desc| {
3111                    div().text_ui(cx).child(self.render_markdown(
3112                        desc.clone(),
3113                        default_markdown_style(false, false, window, cx),
3114                    ))
3115                }))
3116                .children(
3117                    configuration_view
3118                        .cloned()
3119                        .map(|view| div().w_full().child(view)),
3120                )
3121                .when(show_description, |el| {
3122                    el.child(
3123                        Label::new(format!(
3124                            "You are not currently authenticated with {}.{}",
3125                            self.agent.name(),
3126                            if auth_methods.len() > 1 {
3127                                " Please choose one of the following options:"
3128                            } else {
3129                                ""
3130                            }
3131                        ))
3132                        .size(LabelSize::Small)
3133                        .color(Color::Muted)
3134                        .mb_1()
3135                        .ml_5(),
3136                    )
3137                })
3138                .when_some(pending_auth_method, |el, _| {
3139                    el.child(
3140                        h_flex()
3141                            .py_4()
3142                            .w_full()
3143                            .justify_center()
3144                            .gap_1()
3145                            .child(
3146                                Icon::new(IconName::ArrowCircle)
3147                                    .size(IconSize::Small)
3148                                    .color(Color::Muted)
3149                                    .with_rotate_animation(2),
3150                            )
3151                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3152                    )
3153                })
3154                .when(!auth_methods.is_empty(), |this| {
3155                    this.child(
3156                        h_flex()
3157                            .justify_end()
3158                            .flex_wrap()
3159                            .gap_1()
3160                            .when(!show_description, |this| {
3161                                this.border_t_1()
3162                                    .mt_1()
3163                                    .pt_2()
3164                                    .border_color(cx.theme().colors().border.opacity(0.8))
3165                            })
3166                            .children(connection.auth_methods().iter().enumerate().rev().map(
3167                                |(ix, method)| {
3168                                    let (method_id, name) = if self
3169                                        .project
3170                                        .read(cx)
3171                                        .is_via_remote_server()
3172                                        && method.id.0.as_ref() == "oauth-personal"
3173                                        && method.name == "Log in with Google"
3174                                    {
3175                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3176                                    } else {
3177                                        (method.id.0.clone(), method.name.clone())
3178                                    };
3179
3180                                    Button::new(SharedString::from(method_id.clone()), name)
3181                                        .when(ix == 0, |el| {
3182                                            el.style(ButtonStyle::Tinted(ui::TintColor::Warning))
3183                                        })
3184                                        .label_size(LabelSize::Small)
3185                                        .on_click({
3186                                            cx.listener(move |this, _, window, cx| {
3187                                                telemetry::event!(
3188                                                    "Authenticate Agent Started",
3189                                                    agent = this.agent.telemetry_id(),
3190                                                    method = method_id
3191                                                );
3192
3193                                                this.authenticate(
3194                                                    acp::AuthMethodId(method_id.clone()),
3195                                                    window,
3196                                                    cx,
3197                                                )
3198                                            })
3199                                        })
3200                                },
3201                            )),
3202                    )
3203                }),
3204        )
3205    }
3206
3207    fn render_load_error(
3208        &self,
3209        e: &LoadError,
3210        window: &mut Window,
3211        cx: &mut Context<Self>,
3212    ) -> AnyElement {
3213        let (title, message, action_slot): (_, SharedString, _) = match e {
3214            LoadError::Unsupported {
3215                command: path,
3216                current_version,
3217                minimum_version,
3218            } => {
3219                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3220            }
3221            LoadError::FailedToInstall(msg) => (
3222                "Failed to Install",
3223                msg.into(),
3224                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3225            ),
3226            LoadError::Exited { status } => (
3227                "Failed to Launch",
3228                format!("Server exited with status {status}").into(),
3229                None,
3230            ),
3231            LoadError::Other(msg) => (
3232                "Failed to Launch",
3233                msg.into(),
3234                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3235            ),
3236        };
3237
3238        Callout::new()
3239            .severity(Severity::Error)
3240            .icon(IconName::XCircleFilled)
3241            .title(title)
3242            .description(message)
3243            .actions_slot(div().children(action_slot))
3244            .into_any_element()
3245    }
3246
3247    fn render_unsupported(
3248        &self,
3249        path: &SharedString,
3250        version: &SharedString,
3251        minimum_version: &SharedString,
3252        _window: &mut Window,
3253        cx: &mut Context<Self>,
3254    ) -> AnyElement {
3255        let (heading_label, description_label) = (
3256            format!("Upgrade {} to work with Zed", self.agent.name()),
3257            if version.is_empty() {
3258                format!(
3259                    "Currently using {}, which does not report a valid --version",
3260                    path,
3261                )
3262            } else {
3263                format!(
3264                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3265                    path, version
3266                )
3267            },
3268        );
3269
3270        v_flex()
3271            .w_full()
3272            .p_3p5()
3273            .gap_2p5()
3274            .border_t_1()
3275            .border_color(cx.theme().colors().border)
3276            .bg(linear_gradient(
3277                180.,
3278                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3279                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3280            ))
3281            .child(
3282                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3283                    Label::new(description_label)
3284                        .size(LabelSize::Small)
3285                        .color(Color::Muted),
3286                ),
3287            )
3288            .into_any_element()
3289    }
3290
3291    fn render_activity_bar(
3292        &self,
3293        thread_entity: &Entity<AcpThread>,
3294        window: &mut Window,
3295        cx: &Context<Self>,
3296    ) -> Option<AnyElement> {
3297        let thread = thread_entity.read(cx);
3298        let action_log = thread.action_log();
3299        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3300        let plan = thread.plan();
3301
3302        if changed_buffers.is_empty() && plan.is_empty() {
3303            return None;
3304        }
3305
3306        let editor_bg_color = cx.theme().colors().editor_background;
3307        let active_color = cx.theme().colors().element_selected;
3308        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3309
3310        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3311        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3312        // be, which blocks you from being able to accept or reject edits. This switches the
3313        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3314        // block you from using the panel.
3315        let pending_edits = false;
3316
3317        v_flex()
3318            .mt_1()
3319            .mx_2()
3320            .bg(bg_edit_files_disclosure)
3321            .border_1()
3322            .border_b_0()
3323            .border_color(cx.theme().colors().border)
3324            .rounded_t_md()
3325            .shadow(vec![gpui::BoxShadow {
3326                color: gpui::black().opacity(0.15),
3327                offset: point(px(1.), px(-1.)),
3328                blur_radius: px(3.),
3329                spread_radius: px(0.),
3330            }])
3331            .when(!plan.is_empty(), |this| {
3332                this.child(self.render_plan_summary(plan, window, cx))
3333                    .when(self.plan_expanded, |parent| {
3334                        parent.child(self.render_plan_entries(plan, window, cx))
3335                    })
3336            })
3337            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3338                this.child(Divider::horizontal().color(DividerColor::Border))
3339            })
3340            .when(!changed_buffers.is_empty(), |this| {
3341                this.child(self.render_edits_summary(
3342                    &changed_buffers,
3343                    self.edits_expanded,
3344                    pending_edits,
3345                    window,
3346                    cx,
3347                ))
3348                .when(self.edits_expanded, |parent| {
3349                    parent.child(self.render_edited_files(
3350                        action_log,
3351                        &changed_buffers,
3352                        pending_edits,
3353                        cx,
3354                    ))
3355                })
3356            })
3357            .into_any()
3358            .into()
3359    }
3360
3361    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3362        let stats = plan.stats();
3363
3364        let title = if let Some(entry) = stats.in_progress_entry
3365            && !self.plan_expanded
3366        {
3367            h_flex()
3368                .w_full()
3369                .cursor_default()
3370                .gap_1()
3371                .text_xs()
3372                .text_color(cx.theme().colors().text_muted)
3373                .justify_between()
3374                .child(
3375                    h_flex()
3376                        .gap_1()
3377                        .child(
3378                            Label::new("Current:")
3379                                .size(LabelSize::Small)
3380                                .color(Color::Muted),
3381                        )
3382                        .child(MarkdownElement::new(
3383                            entry.content.clone(),
3384                            plan_label_markdown_style(&entry.status, window, cx),
3385                        )),
3386                )
3387                .when(stats.pending > 0, |this| {
3388                    this.child(
3389                        Label::new(format!("{} left", stats.pending))
3390                            .size(LabelSize::Small)
3391                            .color(Color::Muted)
3392                            .mr_1(),
3393                    )
3394                })
3395        } else {
3396            let status_label = if stats.pending == 0 {
3397                "All Done".to_string()
3398            } else if stats.completed == 0 {
3399                format!("{} Tasks", plan.entries.len())
3400            } else {
3401                format!("{}/{}", stats.completed, plan.entries.len())
3402            };
3403
3404            h_flex()
3405                .w_full()
3406                .gap_1()
3407                .justify_between()
3408                .child(
3409                    Label::new("Plan")
3410                        .size(LabelSize::Small)
3411                        .color(Color::Muted),
3412                )
3413                .child(
3414                    Label::new(status_label)
3415                        .size(LabelSize::Small)
3416                        .color(Color::Muted)
3417                        .mr_1(),
3418                )
3419        };
3420
3421        h_flex()
3422            .p_1()
3423            .justify_between()
3424            .when(self.plan_expanded, |this| {
3425                this.border_b_1().border_color(cx.theme().colors().border)
3426            })
3427            .child(
3428                h_flex()
3429                    .id("plan_summary")
3430                    .w_full()
3431                    .gap_1()
3432                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3433                    .child(title)
3434                    .on_click(cx.listener(|this, _, _, cx| {
3435                        this.plan_expanded = !this.plan_expanded;
3436                        cx.notify();
3437                    })),
3438            )
3439    }
3440
3441    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3442        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3443            let element = h_flex()
3444                .py_1()
3445                .px_2()
3446                .gap_2()
3447                .justify_between()
3448                .bg(cx.theme().colors().editor_background)
3449                .when(index < plan.entries.len() - 1, |parent| {
3450                    parent.border_color(cx.theme().colors().border).border_b_1()
3451                })
3452                .child(
3453                    h_flex()
3454                        .id(("plan_entry", index))
3455                        .gap_1p5()
3456                        .max_w_full()
3457                        .overflow_x_scroll()
3458                        .text_xs()
3459                        .text_color(cx.theme().colors().text_muted)
3460                        .child(match entry.status {
3461                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3462                                .size(IconSize::Small)
3463                                .color(Color::Muted)
3464                                .into_any_element(),
3465                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3466                                .size(IconSize::Small)
3467                                .color(Color::Accent)
3468                                .with_rotate_animation(2)
3469                                .into_any_element(),
3470                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3471                                .size(IconSize::Small)
3472                                .color(Color::Success)
3473                                .into_any_element(),
3474                        })
3475                        .child(MarkdownElement::new(
3476                            entry.content.clone(),
3477                            plan_label_markdown_style(&entry.status, window, cx),
3478                        )),
3479                );
3480
3481            Some(element)
3482        }))
3483    }
3484
3485    fn render_edits_summary(
3486        &self,
3487        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3488        expanded: bool,
3489        pending_edits: bool,
3490        window: &mut Window,
3491        cx: &Context<Self>,
3492    ) -> Div {
3493        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3494
3495        let focus_handle = self.focus_handle(cx);
3496
3497        h_flex()
3498            .p_1()
3499            .justify_between()
3500            .flex_wrap()
3501            .when(expanded, |this| {
3502                this.border_b_1().border_color(cx.theme().colors().border)
3503            })
3504            .child(
3505                h_flex()
3506                    .id("edits-container")
3507                    .gap_1()
3508                    .child(Disclosure::new("edits-disclosure", expanded))
3509                    .map(|this| {
3510                        if pending_edits {
3511                            this.child(
3512                                Label::new(format!(
3513                                    "Editing {} {}",
3514                                    changed_buffers.len(),
3515                                    if changed_buffers.len() == 1 {
3516                                        "file"
3517                                    } else {
3518                                        "files"
3519                                    }
3520                                ))
3521                                .color(Color::Muted)
3522                                .size(LabelSize::Small)
3523                                .with_animation(
3524                                    "edit-label",
3525                                    Animation::new(Duration::from_secs(2))
3526                                        .repeat()
3527                                        .with_easing(pulsating_between(0.3, 0.7)),
3528                                    |label, delta| label.alpha(delta),
3529                                ),
3530                            )
3531                        } else {
3532                            this.child(
3533                                Label::new("Edits")
3534                                    .size(LabelSize::Small)
3535                                    .color(Color::Muted),
3536                            )
3537                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3538                            .child(
3539                                Label::new(format!(
3540                                    "{} {}",
3541                                    changed_buffers.len(),
3542                                    if changed_buffers.len() == 1 {
3543                                        "file"
3544                                    } else {
3545                                        "files"
3546                                    }
3547                                ))
3548                                .size(LabelSize::Small)
3549                                .color(Color::Muted),
3550                            )
3551                        }
3552                    })
3553                    .on_click(cx.listener(|this, _, _, cx| {
3554                        this.edits_expanded = !this.edits_expanded;
3555                        cx.notify();
3556                    })),
3557            )
3558            .child(
3559                h_flex()
3560                    .gap_1()
3561                    .child(
3562                        IconButton::new("review-changes", IconName::ListTodo)
3563                            .icon_size(IconSize::Small)
3564                            .tooltip({
3565                                let focus_handle = focus_handle.clone();
3566                                move |window, cx| {
3567                                    Tooltip::for_action_in(
3568                                        "Review Changes",
3569                                        &OpenAgentDiff,
3570                                        &focus_handle,
3571                                        window,
3572                                        cx,
3573                                    )
3574                                }
3575                            })
3576                            .on_click(cx.listener(|_, _, window, cx| {
3577                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3578                            })),
3579                    )
3580                    .child(Divider::vertical().color(DividerColor::Border))
3581                    .child(
3582                        Button::new("reject-all-changes", "Reject All")
3583                            .label_size(LabelSize::Small)
3584                            .disabled(pending_edits)
3585                            .when(pending_edits, |this| {
3586                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3587                            })
3588                            .key_binding(
3589                                KeyBinding::for_action_in(
3590                                    &RejectAll,
3591                                    &focus_handle.clone(),
3592                                    window,
3593                                    cx,
3594                                )
3595                                .map(|kb| kb.size(rems_from_px(10.))),
3596                            )
3597                            .on_click(cx.listener(move |this, _, window, cx| {
3598                                this.reject_all(&RejectAll, window, cx);
3599                            })),
3600                    )
3601                    .child(
3602                        Button::new("keep-all-changes", "Keep All")
3603                            .label_size(LabelSize::Small)
3604                            .disabled(pending_edits)
3605                            .when(pending_edits, |this| {
3606                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3607                            })
3608                            .key_binding(
3609                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3610                                    .map(|kb| kb.size(rems_from_px(10.))),
3611                            )
3612                            .on_click(cx.listener(move |this, _, window, cx| {
3613                                this.keep_all(&KeepAll, window, cx);
3614                            })),
3615                    ),
3616            )
3617    }
3618
3619    fn render_edited_files(
3620        &self,
3621        action_log: &Entity<ActionLog>,
3622        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3623        pending_edits: bool,
3624        cx: &Context<Self>,
3625    ) -> Div {
3626        let editor_bg_color = cx.theme().colors().editor_background;
3627
3628        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3629            |(index, (buffer, _diff))| {
3630                let file = buffer.read(cx).file()?;
3631                let path = file.path();
3632
3633                let file_path = path.parent().and_then(|parent| {
3634                    let parent_str = parent.to_string_lossy();
3635
3636                    if parent_str.is_empty() {
3637                        None
3638                    } else {
3639                        Some(
3640                            Label::new(format!("/{}{}", parent_str, std::path::MAIN_SEPARATOR_STR))
3641                                .color(Color::Muted)
3642                                .size(LabelSize::XSmall)
3643                                .buffer_font(cx),
3644                        )
3645                    }
3646                });
3647
3648                let file_name = path.file_name().map(|name| {
3649                    Label::new(name.to_string_lossy().to_string())
3650                        .size(LabelSize::XSmall)
3651                        .buffer_font(cx)
3652                });
3653
3654                let file_icon = FileIcons::get_icon(path, cx)
3655                    .map(Icon::from_path)
3656                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3657                    .unwrap_or_else(|| {
3658                        Icon::new(IconName::File)
3659                            .color(Color::Muted)
3660                            .size(IconSize::Small)
3661                    });
3662
3663                let overlay_gradient = linear_gradient(
3664                    90.,
3665                    linear_color_stop(editor_bg_color, 1.),
3666                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3667                );
3668
3669                let element = h_flex()
3670                    .group("edited-code")
3671                    .id(("file-container", index))
3672                    .py_1()
3673                    .pl_2()
3674                    .pr_1()
3675                    .gap_2()
3676                    .justify_between()
3677                    .bg(editor_bg_color)
3678                    .when(index < changed_buffers.len() - 1, |parent| {
3679                        parent.border_color(cx.theme().colors().border).border_b_1()
3680                    })
3681                    .child(
3682                        h_flex()
3683                            .relative()
3684                            .id(("file-name", index))
3685                            .pr_8()
3686                            .gap_1p5()
3687                            .max_w_full()
3688                            .overflow_x_scroll()
3689                            .child(file_icon)
3690                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3691                            .child(
3692                                div()
3693                                    .absolute()
3694                                    .h_full()
3695                                    .w_12()
3696                                    .top_0()
3697                                    .bottom_0()
3698                                    .right_0()
3699                                    .bg(overlay_gradient),
3700                            )
3701                            .on_click({
3702                                let buffer = buffer.clone();
3703                                cx.listener(move |this, _, window, cx| {
3704                                    this.open_edited_buffer(&buffer, window, cx);
3705                                })
3706                            }),
3707                    )
3708                    .child(
3709                        h_flex()
3710                            .gap_1()
3711                            .visible_on_hover("edited-code")
3712                            .child(
3713                                Button::new("review", "Review")
3714                                    .label_size(LabelSize::Small)
3715                                    .on_click({
3716                                        let buffer = buffer.clone();
3717                                        cx.listener(move |this, _, window, cx| {
3718                                            this.open_edited_buffer(&buffer, window, cx);
3719                                        })
3720                                    }),
3721                            )
3722                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3723                            .child(
3724                                Button::new("reject-file", "Reject")
3725                                    .label_size(LabelSize::Small)
3726                                    .disabled(pending_edits)
3727                                    .on_click({
3728                                        let buffer = buffer.clone();
3729                                        let action_log = action_log.clone();
3730                                        move |_, _, cx| {
3731                                            action_log.update(cx, |action_log, cx| {
3732                                                action_log
3733                                                    .reject_edits_in_ranges(
3734                                                        buffer.clone(),
3735                                                        vec![Anchor::MIN..Anchor::MAX],
3736                                                        cx,
3737                                                    )
3738                                                    .detach_and_log_err(cx);
3739                                            })
3740                                        }
3741                                    }),
3742                            )
3743                            .child(
3744                                Button::new("keep-file", "Keep")
3745                                    .label_size(LabelSize::Small)
3746                                    .disabled(pending_edits)
3747                                    .on_click({
3748                                        let buffer = buffer.clone();
3749                                        let action_log = action_log.clone();
3750                                        move |_, _, cx| {
3751                                            action_log.update(cx, |action_log, cx| {
3752                                                action_log.keep_edits_in_range(
3753                                                    buffer.clone(),
3754                                                    Anchor::MIN..Anchor::MAX,
3755                                                    cx,
3756                                                );
3757                                            })
3758                                        }
3759                                    }),
3760                            ),
3761                    );
3762
3763                Some(element)
3764            },
3765        ))
3766    }
3767
3768    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3769        let focus_handle = self.message_editor.focus_handle(cx);
3770        let editor_bg_color = cx.theme().colors().editor_background;
3771        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3772            (IconName::Minimize, "Minimize Message Editor")
3773        } else {
3774            (IconName::Maximize, "Expand Message Editor")
3775        };
3776
3777        let backdrop = div()
3778            .size_full()
3779            .absolute()
3780            .inset_0()
3781            .bg(cx.theme().colors().panel_background)
3782            .opacity(0.8)
3783            .block_mouse_except_scroll();
3784
3785        let enable_editor = match self.thread_state {
3786            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3787            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3788        };
3789
3790        v_flex()
3791            .on_action(cx.listener(Self::expand_message_editor))
3792            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3793                if let Some(profile_selector) = this.profile_selector.as_ref() {
3794                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3795                } else if let Some(mode_selector) = this.mode_selector() {
3796                    mode_selector.read(cx).menu_handle().toggle(window, cx);
3797                }
3798            }))
3799            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
3800                if let Some(mode_selector) = this.mode_selector() {
3801                    mode_selector.update(cx, |mode_selector, cx| {
3802                        mode_selector.cycle_mode(window, cx);
3803                    });
3804                }
3805            }))
3806            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3807                if let Some(model_selector) = this.model_selector.as_ref() {
3808                    model_selector
3809                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3810                }
3811            }))
3812            .p_2()
3813            .gap_2()
3814            .border_t_1()
3815            .border_color(cx.theme().colors().border)
3816            .bg(editor_bg_color)
3817            .when(self.editor_expanded, |this| {
3818                this.h(vh(0.8, window)).size_full().justify_between()
3819            })
3820            .child(
3821                v_flex()
3822                    .relative()
3823                    .size_full()
3824                    .pt_1()
3825                    .pr_2p5()
3826                    .child(self.message_editor.clone())
3827                    .child(
3828                        h_flex()
3829                            .absolute()
3830                            .top_0()
3831                            .right_0()
3832                            .opacity(0.5)
3833                            .hover(|this| this.opacity(1.0))
3834                            .child(
3835                                IconButton::new("toggle-height", expand_icon)
3836                                    .icon_size(IconSize::Small)
3837                                    .icon_color(Color::Muted)
3838                                    .tooltip({
3839                                        move |window, cx| {
3840                                            Tooltip::for_action_in(
3841                                                expand_tooltip,
3842                                                &ExpandMessageEditor,
3843                                                &focus_handle,
3844                                                window,
3845                                                cx,
3846                                            )
3847                                        }
3848                                    })
3849                                    .on_click(cx.listener(|_, _, window, cx| {
3850                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3851                                    })),
3852                            ),
3853                    ),
3854            )
3855            .child(
3856                h_flex()
3857                    .flex_none()
3858                    .flex_wrap()
3859                    .justify_between()
3860                    .child(
3861                        h_flex()
3862                            .child(self.render_follow_toggle(cx))
3863                            .children(self.render_burn_mode_toggle(cx)),
3864                    )
3865                    .child(
3866                        h_flex()
3867                            .gap_1()
3868                            .children(self.render_token_usage(cx))
3869                            .children(self.profile_selector.clone())
3870                            .children(self.mode_selector().cloned())
3871                            .children(self.model_selector.clone())
3872                            .child(self.render_send_button(cx)),
3873                    ),
3874            )
3875            .when(!enable_editor, |this| this.child(backdrop))
3876            .into_any()
3877    }
3878
3879    pub(crate) fn as_native_connection(
3880        &self,
3881        cx: &App,
3882    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3883        let acp_thread = self.thread()?.read(cx);
3884        acp_thread.connection().clone().downcast()
3885    }
3886
3887    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3888        let acp_thread = self.thread()?.read(cx);
3889        self.as_native_connection(cx)?
3890            .thread(acp_thread.session_id(), cx)
3891    }
3892
3893    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3894        self.as_native_thread(cx)
3895            .and_then(|thread| thread.read(cx).model())
3896            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3897    }
3898
3899    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3900        let thread = self.thread()?.read(cx);
3901        let usage = thread.token_usage()?;
3902        let is_generating = thread.status() != ThreadStatus::Idle;
3903
3904        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3905        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3906
3907        Some(
3908            h_flex()
3909                .flex_shrink_0()
3910                .gap_0p5()
3911                .mr_1p5()
3912                .child(
3913                    Label::new(used)
3914                        .size(LabelSize::Small)
3915                        .color(Color::Muted)
3916                        .map(|label| {
3917                            if is_generating {
3918                                label
3919                                    .with_animation(
3920                                        "used-tokens-label",
3921                                        Animation::new(Duration::from_secs(2))
3922                                            .repeat()
3923                                            .with_easing(pulsating_between(0.3, 0.8)),
3924                                        |label, delta| label.alpha(delta),
3925                                    )
3926                                    .into_any()
3927                            } else {
3928                                label.into_any_element()
3929                            }
3930                        }),
3931                )
3932                .child(
3933                    Label::new("/")
3934                        .size(LabelSize::Small)
3935                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
3936                )
3937                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
3938        )
3939    }
3940
3941    fn toggle_burn_mode(
3942        &mut self,
3943        _: &ToggleBurnMode,
3944        _window: &mut Window,
3945        cx: &mut Context<Self>,
3946    ) {
3947        let Some(thread) = self.as_native_thread(cx) else {
3948            return;
3949        };
3950
3951        thread.update(cx, |thread, cx| {
3952            let current_mode = thread.completion_mode();
3953            thread.set_completion_mode(
3954                match current_mode {
3955                    CompletionMode::Burn => CompletionMode::Normal,
3956                    CompletionMode::Normal => CompletionMode::Burn,
3957                },
3958                cx,
3959            );
3960        });
3961    }
3962
3963    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
3964        let Some(thread) = self.thread() else {
3965            return;
3966        };
3967        let action_log = thread.read(cx).action_log().clone();
3968        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
3969    }
3970
3971    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
3972        let Some(thread) = self.thread() else {
3973            return;
3974        };
3975        let action_log = thread.read(cx).action_log().clone();
3976        action_log
3977            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
3978            .detach();
3979    }
3980
3981    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
3982        let thread = self.as_native_thread(cx)?.read(cx);
3983
3984        if thread
3985            .model()
3986            .is_none_or(|model| !model.supports_burn_mode())
3987        {
3988            return None;
3989        }
3990
3991        let active_completion_mode = thread.completion_mode();
3992        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
3993        let icon = if burn_mode_enabled {
3994            IconName::ZedBurnModeOn
3995        } else {
3996            IconName::ZedBurnMode
3997        };
3998
3999        Some(
4000            IconButton::new("burn-mode", icon)
4001                .icon_size(IconSize::Small)
4002                .icon_color(Color::Muted)
4003                .toggle_state(burn_mode_enabled)
4004                .selected_icon_color(Color::Error)
4005                .on_click(cx.listener(|this, _event, window, cx| {
4006                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4007                }))
4008                .tooltip(move |_window, cx| {
4009                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4010                        .into()
4011                })
4012                .into_any_element(),
4013        )
4014    }
4015
4016    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4017        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4018        let is_generating = self
4019            .thread()
4020            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4021
4022        if self.is_loading_contents {
4023            div()
4024                .id("loading-message-content")
4025                .px_1()
4026                .tooltip(Tooltip::text("Loading Added Context…"))
4027                .child(loading_contents_spinner(IconSize::default()))
4028                .into_any_element()
4029        } else if is_generating && is_editor_empty {
4030            IconButton::new("stop-generation", IconName::Stop)
4031                .icon_color(Color::Error)
4032                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4033                .tooltip(move |window, cx| {
4034                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
4035                })
4036                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4037                .into_any_element()
4038        } else {
4039            let send_btn_tooltip = if is_editor_empty && !is_generating {
4040                "Type to Send"
4041            } else if is_generating {
4042                "Stop and Send Message"
4043            } else {
4044                "Send"
4045            };
4046
4047            IconButton::new("send-message", IconName::Send)
4048                .style(ButtonStyle::Filled)
4049                .map(|this| {
4050                    if is_editor_empty && !is_generating {
4051                        this.disabled(true).icon_color(Color::Muted)
4052                    } else {
4053                        this.icon_color(Color::Accent)
4054                    }
4055                })
4056                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
4057                .on_click(cx.listener(|this, _, window, cx| {
4058                    this.send(window, cx);
4059                }))
4060                .into_any_element()
4061        }
4062    }
4063
4064    fn is_following(&self, cx: &App) -> bool {
4065        match self.thread().map(|thread| thread.read(cx).status()) {
4066            Some(ThreadStatus::Generating) => self
4067                .workspace
4068                .read_with(cx, |workspace, _| {
4069                    workspace.is_being_followed(CollaboratorId::Agent)
4070                })
4071                .unwrap_or(false),
4072            _ => self.should_be_following,
4073        }
4074    }
4075
4076    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4077        let following = self.is_following(cx);
4078
4079        self.should_be_following = !following;
4080        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4081            self.workspace
4082                .update(cx, |workspace, cx| {
4083                    if following {
4084                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4085                    } else {
4086                        workspace.follow(CollaboratorId::Agent, window, cx);
4087                    }
4088                })
4089                .ok();
4090        }
4091
4092        telemetry::event!("Follow Agent Selected", following = !following);
4093    }
4094
4095    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4096        let following = self.is_following(cx);
4097
4098        let tooltip_label = if following {
4099            if self.agent.name() == "Zed Agent" {
4100                format!("Stop Following the {}", self.agent.name())
4101            } else {
4102                format!("Stop Following {}", self.agent.name())
4103            }
4104        } else {
4105            if self.agent.name() == "Zed Agent" {
4106                format!("Follow the {}", self.agent.name())
4107            } else {
4108                format!("Follow {}", self.agent.name())
4109            }
4110        };
4111
4112        IconButton::new("follow-agent", IconName::Crosshair)
4113            .icon_size(IconSize::Small)
4114            .icon_color(Color::Muted)
4115            .toggle_state(following)
4116            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4117            .tooltip(move |window, cx| {
4118                if following {
4119                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
4120                } else {
4121                    Tooltip::with_meta(
4122                        tooltip_label.clone(),
4123                        Some(&Follow),
4124                        "Track the agent's location as it reads and edits files.",
4125                        window,
4126                        cx,
4127                    )
4128                }
4129            })
4130            .on_click(cx.listener(move |this, _, window, cx| {
4131                this.toggle_following(window, cx);
4132            }))
4133    }
4134
4135    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4136        let workspace = self.workspace.clone();
4137        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4138            Self::open_link(text, &workspace, window, cx);
4139        })
4140    }
4141
4142    fn open_link(
4143        url: SharedString,
4144        workspace: &WeakEntity<Workspace>,
4145        window: &mut Window,
4146        cx: &mut App,
4147    ) {
4148        let Some(workspace) = workspace.upgrade() else {
4149            cx.open_url(&url);
4150            return;
4151        };
4152
4153        if let Some(mention) = MentionUri::parse(&url).log_err() {
4154            workspace.update(cx, |workspace, cx| match mention {
4155                MentionUri::File { abs_path } => {
4156                    let project = workspace.project();
4157                    let Some(path) =
4158                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4159                    else {
4160                        return;
4161                    };
4162
4163                    workspace
4164                        .open_path(path, None, true, window, cx)
4165                        .detach_and_log_err(cx);
4166                }
4167                MentionUri::PastedImage => {}
4168                MentionUri::Directory { abs_path } => {
4169                    let project = workspace.project();
4170                    let Some(entry_id) = project.update(cx, |project, cx| {
4171                        let path = project.find_project_path(abs_path, cx)?;
4172                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4173                    }) else {
4174                        return;
4175                    };
4176
4177                    project.update(cx, |_, cx| {
4178                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4179                    });
4180                }
4181                MentionUri::Symbol {
4182                    abs_path: path,
4183                    line_range,
4184                    ..
4185                }
4186                | MentionUri::Selection {
4187                    abs_path: Some(path),
4188                    line_range,
4189                } => {
4190                    let project = workspace.project();
4191                    let Some(path) =
4192                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4193                    else {
4194                        return;
4195                    };
4196
4197                    let item = workspace.open_path(path, None, true, window, cx);
4198                    window
4199                        .spawn(cx, async move |cx| {
4200                            let Some(editor) = item.await?.downcast::<Editor>() else {
4201                                return Ok(());
4202                            };
4203                            let range = Point::new(*line_range.start(), 0)
4204                                ..Point::new(*line_range.start(), 0);
4205                            editor
4206                                .update_in(cx, |editor, window, cx| {
4207                                    editor.change_selections(
4208                                        SelectionEffects::scroll(Autoscroll::center()),
4209                                        window,
4210                                        cx,
4211                                        |s| s.select_ranges(vec![range]),
4212                                    );
4213                                })
4214                                .ok();
4215                            anyhow::Ok(())
4216                        })
4217                        .detach_and_log_err(cx);
4218                }
4219                MentionUri::Selection { abs_path: None, .. } => {}
4220                MentionUri::Thread { id, name } => {
4221                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4222                        panel.update(cx, |panel, cx| {
4223                            panel.load_agent_thread(
4224                                DbThreadMetadata {
4225                                    id,
4226                                    title: name.into(),
4227                                    updated_at: Default::default(),
4228                                },
4229                                window,
4230                                cx,
4231                            )
4232                        });
4233                    }
4234                }
4235                MentionUri::TextThread { path, .. } => {
4236                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4237                        panel.update(cx, |panel, cx| {
4238                            panel
4239                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4240                                .detach_and_log_err(cx);
4241                        });
4242                    }
4243                }
4244                MentionUri::Rule { id, .. } => {
4245                    let PromptId::User { uuid } = id else {
4246                        return;
4247                    };
4248                    window.dispatch_action(
4249                        Box::new(OpenRulesLibrary {
4250                            prompt_to_select: Some(uuid.0),
4251                        }),
4252                        cx,
4253                    )
4254                }
4255                MentionUri::Fetch { url } => {
4256                    cx.open_url(url.as_str());
4257                }
4258            })
4259        } else {
4260            cx.open_url(&url);
4261        }
4262    }
4263
4264    fn open_tool_call_location(
4265        &self,
4266        entry_ix: usize,
4267        location_ix: usize,
4268        window: &mut Window,
4269        cx: &mut Context<Self>,
4270    ) -> Option<()> {
4271        let (tool_call_location, agent_location) = self
4272            .thread()?
4273            .read(cx)
4274            .entries()
4275            .get(entry_ix)?
4276            .location(location_ix)?;
4277
4278        let project_path = self
4279            .project
4280            .read(cx)
4281            .find_project_path(&tool_call_location.path, cx)?;
4282
4283        let open_task = self
4284            .workspace
4285            .update(cx, |workspace, cx| {
4286                workspace.open_path(project_path, None, true, window, cx)
4287            })
4288            .log_err()?;
4289        window
4290            .spawn(cx, async move |cx| {
4291                let item = open_task.await?;
4292
4293                let Some(active_editor) = item.downcast::<Editor>() else {
4294                    return anyhow::Ok(());
4295                };
4296
4297                active_editor.update_in(cx, |editor, window, cx| {
4298                    let multibuffer = editor.buffer().read(cx);
4299                    let buffer = multibuffer.as_singleton();
4300                    if agent_location.buffer.upgrade() == buffer {
4301                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4302                        let anchor = editor::Anchor::in_buffer(
4303                            excerpt_id.unwrap(),
4304                            buffer.unwrap().read(cx).remote_id(),
4305                            agent_location.position,
4306                        );
4307                        editor.change_selections(Default::default(), window, cx, |selections| {
4308                            selections.select_anchor_ranges([anchor..anchor]);
4309                        })
4310                    } else {
4311                        let row = tool_call_location.line.unwrap_or_default();
4312                        editor.change_selections(Default::default(), window, cx, |selections| {
4313                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4314                        })
4315                    }
4316                })?;
4317
4318                anyhow::Ok(())
4319            })
4320            .detach_and_log_err(cx);
4321
4322        None
4323    }
4324
4325    pub fn open_thread_as_markdown(
4326        &self,
4327        workspace: Entity<Workspace>,
4328        window: &mut Window,
4329        cx: &mut App,
4330    ) -> Task<Result<()>> {
4331        let markdown_language_task = workspace
4332            .read(cx)
4333            .app_state()
4334            .languages
4335            .language_for_name("Markdown");
4336
4337        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4338            let thread = thread.read(cx);
4339            (thread.title().to_string(), thread.to_markdown(cx))
4340        } else {
4341            return Task::ready(Ok(()));
4342        };
4343
4344        window.spawn(cx, async move |cx| {
4345            let markdown_language = markdown_language_task.await?;
4346
4347            workspace.update_in(cx, |workspace, window, cx| {
4348                let project = workspace.project().clone();
4349
4350                if !project.read(cx).is_local() {
4351                    bail!("failed to open active thread as markdown in remote project");
4352                }
4353
4354                let buffer = project.update(cx, |project, cx| {
4355                    project.create_local_buffer(&markdown, Some(markdown_language), true, cx)
4356                });
4357                let buffer = cx.new(|cx| {
4358                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4359                });
4360
4361                workspace.add_item_to_active_pane(
4362                    Box::new(cx.new(|cx| {
4363                        let mut editor =
4364                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4365                        editor.set_breadcrumb_header(thread_summary);
4366                        editor
4367                    })),
4368                    None,
4369                    true,
4370                    window,
4371                    cx,
4372                );
4373
4374                anyhow::Ok(())
4375            })??;
4376            anyhow::Ok(())
4377        })
4378    }
4379
4380    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4381        self.list_state.scroll_to(ListOffset::default());
4382        cx.notify();
4383    }
4384
4385    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4386        if let Some(thread) = self.thread() {
4387            let entry_count = thread.read(cx).entries().len();
4388            self.list_state.reset(entry_count);
4389            cx.notify();
4390        }
4391    }
4392
4393    fn notify_with_sound(
4394        &mut self,
4395        caption: impl Into<SharedString>,
4396        icon: IconName,
4397        window: &mut Window,
4398        cx: &mut Context<Self>,
4399    ) {
4400        self.play_notification_sound(window, cx);
4401        self.show_notification(caption, icon, window, cx);
4402    }
4403
4404    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4405        let settings = AgentSettings::get_global(cx);
4406        if settings.play_sound_when_agent_done && !window.is_window_active() {
4407            Audio::play_sound(Sound::AgentDone, cx);
4408        }
4409    }
4410
4411    fn show_notification(
4412        &mut self,
4413        caption: impl Into<SharedString>,
4414        icon: IconName,
4415        window: &mut Window,
4416        cx: &mut Context<Self>,
4417    ) {
4418        if window.is_window_active() || !self.notifications.is_empty() {
4419            return;
4420        }
4421
4422        // TODO: Change this once we have title summarization for external agents.
4423        let title = self.agent.name();
4424
4425        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4426            NotifyWhenAgentWaiting::PrimaryScreen => {
4427                if let Some(primary) = cx.primary_display() {
4428                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4429                }
4430            }
4431            NotifyWhenAgentWaiting::AllScreens => {
4432                let caption = caption.into();
4433                for screen in cx.displays() {
4434                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4435                }
4436            }
4437            NotifyWhenAgentWaiting::Never => {
4438                // Don't show anything
4439            }
4440        }
4441    }
4442
4443    fn pop_up(
4444        &mut self,
4445        icon: IconName,
4446        caption: SharedString,
4447        title: SharedString,
4448        window: &mut Window,
4449        screen: Rc<dyn PlatformDisplay>,
4450        cx: &mut Context<Self>,
4451    ) {
4452        let options = AgentNotification::window_options(screen, cx);
4453
4454        let project_name = self.workspace.upgrade().and_then(|workspace| {
4455            workspace
4456                .read(cx)
4457                .project()
4458                .read(cx)
4459                .visible_worktrees(cx)
4460                .next()
4461                .map(|worktree| worktree.read(cx).root_name().to_string())
4462        });
4463
4464        if let Some(screen_window) = cx
4465            .open_window(options, |_, cx| {
4466                cx.new(|_| {
4467                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4468                })
4469            })
4470            .log_err()
4471            && let Some(pop_up) = screen_window.entity(cx).log_err()
4472        {
4473            self.notification_subscriptions
4474                .entry(screen_window)
4475                .or_insert_with(Vec::new)
4476                .push(cx.subscribe_in(&pop_up, window, {
4477                    |this, _, event, window, cx| match event {
4478                        AgentNotificationEvent::Accepted => {
4479                            let handle = window.window_handle();
4480                            cx.activate(true);
4481
4482                            let workspace_handle = this.workspace.clone();
4483
4484                            // If there are multiple Zed windows, activate the correct one.
4485                            cx.defer(move |cx| {
4486                                handle
4487                                    .update(cx, |_view, window, _cx| {
4488                                        window.activate_window();
4489
4490                                        if let Some(workspace) = workspace_handle.upgrade() {
4491                                            workspace.update(_cx, |workspace, cx| {
4492                                                workspace.focus_panel::<AgentPanel>(window, cx);
4493                                            });
4494                                        }
4495                                    })
4496                                    .log_err();
4497                            });
4498
4499                            this.dismiss_notifications(cx);
4500                        }
4501                        AgentNotificationEvent::Dismissed => {
4502                            this.dismiss_notifications(cx);
4503                        }
4504                    }
4505                }));
4506
4507            self.notifications.push(screen_window);
4508
4509            // If the user manually refocuses the original window, dismiss the popup.
4510            self.notification_subscriptions
4511                .entry(screen_window)
4512                .or_insert_with(Vec::new)
4513                .push({
4514                    let pop_up_weak = pop_up.downgrade();
4515
4516                    cx.observe_window_activation(window, move |_, window, cx| {
4517                        if window.is_window_active()
4518                            && let Some(pop_up) = pop_up_weak.upgrade()
4519                        {
4520                            pop_up.update(cx, |_, cx| {
4521                                cx.emit(AgentNotificationEvent::Dismissed);
4522                            });
4523                        }
4524                    })
4525                });
4526        }
4527    }
4528
4529    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4530        for window in self.notifications.drain(..) {
4531            window
4532                .update(cx, |_, window, _| {
4533                    window.remove_window();
4534                })
4535                .ok();
4536
4537            self.notification_subscriptions.remove(&window);
4538        }
4539    }
4540
4541    fn render_thread_controls(
4542        &self,
4543        thread: &Entity<AcpThread>,
4544        cx: &Context<Self>,
4545    ) -> impl IntoElement {
4546        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4547        if is_generating {
4548            return h_flex().id("thread-controls-container").child(
4549                div()
4550                    .py_2()
4551                    .px(rems_from_px(22.))
4552                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4553            );
4554        }
4555
4556        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4557            .shape(ui::IconButtonShape::Square)
4558            .icon_size(IconSize::Small)
4559            .icon_color(Color::Ignored)
4560            .tooltip(Tooltip::text("Open Thread as Markdown"))
4561            .on_click(cx.listener(move |this, _, window, cx| {
4562                if let Some(workspace) = this.workspace.upgrade() {
4563                    this.open_thread_as_markdown(workspace, window, cx)
4564                        .detach_and_log_err(cx);
4565                }
4566            }));
4567
4568        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4569            .shape(ui::IconButtonShape::Square)
4570            .icon_size(IconSize::Small)
4571            .icon_color(Color::Ignored)
4572            .tooltip(Tooltip::text("Scroll To Top"))
4573            .on_click(cx.listener(move |this, _, _, cx| {
4574                this.scroll_to_top(cx);
4575            }));
4576
4577        let mut container = h_flex()
4578            .id("thread-controls-container")
4579            .group("thread-controls-container")
4580            .w_full()
4581            .py_2()
4582            .px_5()
4583            .gap_px()
4584            .opacity(0.6)
4585            .hover(|style| style.opacity(1.))
4586            .flex_wrap()
4587            .justify_end();
4588
4589        if AgentSettings::get_global(cx).enable_feedback
4590            && self
4591                .thread()
4592                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4593        {
4594            let feedback = self.thread_feedback.feedback;
4595
4596            container = container
4597                .child(
4598                    div().visible_on_hover("thread-controls-container").child(
4599                        Label::new(match feedback {
4600                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4601                            Some(ThreadFeedback::Negative) => {
4602                                "We appreciate your feedback and will use it to improve."
4603                            }
4604                            None => {
4605                                "Rating the thread sends all of your current conversation to the Zed team."
4606                            }
4607                        })
4608                        .color(Color::Muted)
4609                        .size(LabelSize::XSmall)
4610                        .truncate(),
4611                    ),
4612                )
4613                .child(
4614                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4615                        .shape(ui::IconButtonShape::Square)
4616                        .icon_size(IconSize::Small)
4617                        .icon_color(match feedback {
4618                            Some(ThreadFeedback::Positive) => Color::Accent,
4619                            _ => Color::Ignored,
4620                        })
4621                        .tooltip(Tooltip::text("Helpful Response"))
4622                        .on_click(cx.listener(move |this, _, window, cx| {
4623                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4624                        })),
4625                )
4626                .child(
4627                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4628                        .shape(ui::IconButtonShape::Square)
4629                        .icon_size(IconSize::Small)
4630                        .icon_color(match feedback {
4631                            Some(ThreadFeedback::Negative) => Color::Accent,
4632                            _ => Color::Ignored,
4633                        })
4634                        .tooltip(Tooltip::text("Not Helpful"))
4635                        .on_click(cx.listener(move |this, _, window, cx| {
4636                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4637                        })),
4638                );
4639        }
4640
4641        container.child(open_as_markdown).child(scroll_to_top)
4642    }
4643
4644    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4645        h_flex()
4646            .key_context("AgentFeedbackMessageEditor")
4647            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4648                this.thread_feedback.dismiss_comments();
4649                cx.notify();
4650            }))
4651            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4652                this.submit_feedback_message(cx);
4653            }))
4654            .p_2()
4655            .mb_2()
4656            .mx_5()
4657            .gap_1()
4658            .rounded_md()
4659            .border_1()
4660            .border_color(cx.theme().colors().border)
4661            .bg(cx.theme().colors().editor_background)
4662            .child(div().w_full().child(editor))
4663            .child(
4664                h_flex()
4665                    .child(
4666                        IconButton::new("dismiss-feedback-message", IconName::Close)
4667                            .icon_color(Color::Error)
4668                            .icon_size(IconSize::XSmall)
4669                            .shape(ui::IconButtonShape::Square)
4670                            .on_click(cx.listener(move |this, _, _window, cx| {
4671                                this.thread_feedback.dismiss_comments();
4672                                cx.notify();
4673                            })),
4674                    )
4675                    .child(
4676                        IconButton::new("submit-feedback-message", IconName::Return)
4677                            .icon_size(IconSize::XSmall)
4678                            .shape(ui::IconButtonShape::Square)
4679                            .on_click(cx.listener(move |this, _, _window, cx| {
4680                                this.submit_feedback_message(cx);
4681                            })),
4682                    ),
4683            )
4684    }
4685
4686    fn handle_feedback_click(
4687        &mut self,
4688        feedback: ThreadFeedback,
4689        window: &mut Window,
4690        cx: &mut Context<Self>,
4691    ) {
4692        let Some(thread) = self.thread().cloned() else {
4693            return;
4694        };
4695
4696        self.thread_feedback.submit(thread, feedback, window, cx);
4697        cx.notify();
4698    }
4699
4700    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4701        let Some(thread) = self.thread().cloned() else {
4702            return;
4703        };
4704
4705        self.thread_feedback.submit_comments(thread, cx);
4706        cx.notify();
4707    }
4708
4709    fn render_vertical_scrollbar(&self, cx: &mut Context<Self>) -> Stateful<Div> {
4710        div()
4711            .id("acp-thread-scrollbar")
4712            .occlude()
4713            .on_mouse_move(cx.listener(|_, _, _, cx| {
4714                cx.notify();
4715                cx.stop_propagation()
4716            }))
4717            .on_hover(|_, _, cx| {
4718                cx.stop_propagation();
4719            })
4720            .on_any_mouse_down(|_, _, cx| {
4721                cx.stop_propagation();
4722            })
4723            .on_mouse_up(
4724                MouseButton::Left,
4725                cx.listener(|_, _, _, cx| {
4726                    cx.stop_propagation();
4727                }),
4728            )
4729            .on_scroll_wheel(cx.listener(|_, _, _, cx| {
4730                cx.notify();
4731            }))
4732            .h_full()
4733            .absolute()
4734            .right_1()
4735            .top_1()
4736            .bottom_0()
4737            .w(px(12.))
4738            .cursor_default()
4739            .children(Scrollbar::vertical(self.scrollbar_state.clone()).map(|s| s.auto_hide(cx)))
4740    }
4741
4742    fn render_token_limit_callout(
4743        &self,
4744        line_height: Pixels,
4745        cx: &mut Context<Self>,
4746    ) -> Option<Callout> {
4747        let token_usage = self.thread()?.read(cx).token_usage()?;
4748        let ratio = token_usage.ratio();
4749
4750        let (severity, title) = match ratio {
4751            acp_thread::TokenUsageRatio::Normal => return None,
4752            acp_thread::TokenUsageRatio::Warning => {
4753                (Severity::Warning, "Thread reaching the token limit soon")
4754            }
4755            acp_thread::TokenUsageRatio::Exceeded => {
4756                (Severity::Error, "Thread reached the token limit")
4757            }
4758        };
4759
4760        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4761            thread.read(cx).completion_mode() == CompletionMode::Normal
4762                && thread
4763                    .read(cx)
4764                    .model()
4765                    .is_some_and(|model| model.supports_burn_mode())
4766        });
4767
4768        let description = if burn_mode_available {
4769            "To continue, start a new thread from a summary or turn Burn Mode on."
4770        } else {
4771            "To continue, start a new thread from a summary."
4772        };
4773
4774        Some(
4775            Callout::new()
4776                .severity(severity)
4777                .line_height(line_height)
4778                .title(title)
4779                .description(description)
4780                .actions_slot(
4781                    h_flex()
4782                        .gap_0p5()
4783                        .child(
4784                            Button::new("start-new-thread", "Start New Thread")
4785                                .label_size(LabelSize::Small)
4786                                .on_click(cx.listener(|this, _, window, cx| {
4787                                    let Some(thread) = this.thread() else {
4788                                        return;
4789                                    };
4790                                    let session_id = thread.read(cx).session_id().clone();
4791                                    window.dispatch_action(
4792                                        crate::NewNativeAgentThreadFromSummary {
4793                                            from_session_id: session_id,
4794                                        }
4795                                        .boxed_clone(),
4796                                        cx,
4797                                    );
4798                                })),
4799                        )
4800                        .when(burn_mode_available, |this| {
4801                            this.child(
4802                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4803                                    .icon_size(IconSize::XSmall)
4804                                    .on_click(cx.listener(|this, _event, window, cx| {
4805                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4806                                    })),
4807                            )
4808                        }),
4809                ),
4810        )
4811    }
4812
4813    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4814        if !self.is_using_zed_ai_models(cx) {
4815            return None;
4816        }
4817
4818        let user_store = self.project.read(cx).user_store().read(cx);
4819        if user_store.is_usage_based_billing_enabled() {
4820            return None;
4821        }
4822
4823        let plan = user_store.plan().unwrap_or(cloud_llm_client::Plan::ZedFree);
4824
4825        let usage = user_store.model_request_usage()?;
4826
4827        Some(
4828            div()
4829                .child(UsageCallout::new(plan, usage))
4830                .line_height(line_height),
4831        )
4832    }
4833
4834    fn agent_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4835        self.entry_view_state.update(cx, |entry_view_state, cx| {
4836            entry_view_state.agent_font_size_changed(cx);
4837        });
4838    }
4839
4840    pub(crate) fn insert_dragged_files(
4841        &self,
4842        paths: Vec<project::ProjectPath>,
4843        added_worktrees: Vec<Entity<project::Worktree>>,
4844        window: &mut Window,
4845        cx: &mut Context<Self>,
4846    ) {
4847        self.message_editor.update(cx, |message_editor, cx| {
4848            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4849        })
4850    }
4851
4852    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4853        self.message_editor.update(cx, |message_editor, cx| {
4854            message_editor.insert_selections(window, cx);
4855        })
4856    }
4857
4858    fn render_thread_retry_status_callout(
4859        &self,
4860        _window: &mut Window,
4861        _cx: &mut Context<Self>,
4862    ) -> Option<Callout> {
4863        let state = self.thread_retry_status.as_ref()?;
4864
4865        let next_attempt_in = state
4866            .duration
4867            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4868        if next_attempt_in.is_zero() {
4869            return None;
4870        }
4871
4872        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4873
4874        let retry_message = if state.max_attempts == 1 {
4875            if next_attempt_in_secs == 1 {
4876                "Retrying. Next attempt in 1 second.".to_string()
4877            } else {
4878                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4879            }
4880        } else if next_attempt_in_secs == 1 {
4881            format!(
4882                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4883                state.attempt, state.max_attempts,
4884            )
4885        } else {
4886            format!(
4887                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4888                state.attempt, state.max_attempts,
4889            )
4890        };
4891
4892        Some(
4893            Callout::new()
4894                .severity(Severity::Warning)
4895                .title(state.last_error.clone())
4896                .description(retry_message),
4897        )
4898    }
4899
4900    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4901        let content = match self.thread_error.as_ref()? {
4902            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4903            ThreadError::Refusal => self.render_refusal_error(cx),
4904            ThreadError::AuthenticationRequired(error) => {
4905                self.render_authentication_required_error(error.clone(), cx)
4906            }
4907            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4908            ThreadError::ModelRequestLimitReached(plan) => {
4909                self.render_model_request_limit_reached_error(*plan, cx)
4910            }
4911            ThreadError::ToolUseLimitReached => {
4912                self.render_tool_use_limit_reached_error(window, cx)?
4913            }
4914        };
4915
4916        Some(div().child(content))
4917    }
4918
4919    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
4920        v_flex().w_full().justify_end().child(
4921            h_flex()
4922                .p_2()
4923                .pr_3()
4924                .w_full()
4925                .gap_1p5()
4926                .border_t_1()
4927                .border_color(cx.theme().colors().border)
4928                .bg(cx.theme().colors().element_background)
4929                .child(
4930                    h_flex()
4931                        .flex_1()
4932                        .gap_1p5()
4933                        .child(
4934                            Icon::new(IconName::Download)
4935                                .color(Color::Accent)
4936                                .size(IconSize::Small),
4937                        )
4938                        .child(Label::new("New version available").size(LabelSize::Small)),
4939                )
4940                .child(
4941                    Button::new("update-button", format!("Update to v{}", version))
4942                        .label_size(LabelSize::Small)
4943                        .style(ButtonStyle::Tinted(TintColor::Accent))
4944                        .on_click(cx.listener(|this, _, window, cx| {
4945                            this.reset(window, cx);
4946                        })),
4947                ),
4948        )
4949    }
4950
4951    fn get_current_model_name(&self, cx: &App) -> SharedString {
4952        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
4953        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
4954        // This provides better clarity about what refused the request
4955        if self
4956            .agent
4957            .clone()
4958            .downcast::<agent2::NativeAgentServer>()
4959            .is_some()
4960        {
4961            // Native agent - use the model name
4962            self.model_selector
4963                .as_ref()
4964                .and_then(|selector| selector.read(cx).active_model_name(cx))
4965                .unwrap_or_else(|| SharedString::from("The model"))
4966        } else {
4967            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
4968            self.agent.name()
4969        }
4970    }
4971
4972    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
4973        let model_or_agent_name = self.get_current_model_name(cx);
4974        let refusal_message = format!(
4975            "{} refused to respond to this prompt. This can happen when a model believes the prompt violates its content policy or safety guidelines, so rephrasing it can sometimes address the issue.",
4976            model_or_agent_name
4977        );
4978
4979        Callout::new()
4980            .severity(Severity::Error)
4981            .title("Request Refused")
4982            .icon(IconName::XCircle)
4983            .description(refusal_message.clone())
4984            .actions_slot(self.create_copy_button(&refusal_message))
4985            .dismiss_action(self.dismiss_error_button(cx))
4986    }
4987
4988    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
4989        let can_resume = self
4990            .thread()
4991            .map_or(false, |thread| thread.read(cx).can_resume(cx));
4992
4993        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
4994            let thread = thread.read(cx);
4995            let supports_burn_mode = thread
4996                .model()
4997                .map_or(false, |model| model.supports_burn_mode());
4998            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
4999        });
5000
5001        Callout::new()
5002            .severity(Severity::Error)
5003            .title("Error")
5004            .icon(IconName::XCircle)
5005            .description(error.clone())
5006            .actions_slot(
5007                h_flex()
5008                    .gap_0p5()
5009                    .when(can_resume && can_enable_burn_mode, |this| {
5010                        this.child(
5011                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5012                                .icon(IconName::ZedBurnMode)
5013                                .icon_position(IconPosition::Start)
5014                                .icon_size(IconSize::Small)
5015                                .label_size(LabelSize::Small)
5016                                .on_click(cx.listener(|this, _, window, cx| {
5017                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5018                                    this.resume_chat(cx);
5019                                })),
5020                        )
5021                    })
5022                    .when(can_resume, |this| {
5023                        this.child(
5024                            Button::new("retry", "Retry")
5025                                .icon(IconName::RotateCw)
5026                                .icon_position(IconPosition::Start)
5027                                .icon_size(IconSize::Small)
5028                                .label_size(LabelSize::Small)
5029                                .on_click(cx.listener(|this, _, _window, cx| {
5030                                    this.resume_chat(cx);
5031                                })),
5032                        )
5033                    })
5034                    .child(self.create_copy_button(error.to_string())),
5035            )
5036            .dismiss_action(self.dismiss_error_button(cx))
5037    }
5038
5039    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5040        const ERROR_MESSAGE: &str =
5041            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5042
5043        Callout::new()
5044            .severity(Severity::Error)
5045            .icon(IconName::XCircle)
5046            .title("Free Usage Exceeded")
5047            .description(ERROR_MESSAGE)
5048            .actions_slot(
5049                h_flex()
5050                    .gap_0p5()
5051                    .child(self.upgrade_button(cx))
5052                    .child(self.create_copy_button(ERROR_MESSAGE)),
5053            )
5054            .dismiss_action(self.dismiss_error_button(cx))
5055    }
5056
5057    fn render_authentication_required_error(
5058        &self,
5059        error: SharedString,
5060        cx: &mut Context<Self>,
5061    ) -> Callout {
5062        Callout::new()
5063            .severity(Severity::Error)
5064            .title("Authentication Required")
5065            .icon(IconName::XCircle)
5066            .description(error.clone())
5067            .actions_slot(
5068                h_flex()
5069                    .gap_0p5()
5070                    .child(self.authenticate_button(cx))
5071                    .child(self.create_copy_button(error)),
5072            )
5073            .dismiss_action(self.dismiss_error_button(cx))
5074    }
5075
5076    fn render_model_request_limit_reached_error(
5077        &self,
5078        plan: cloud_llm_client::Plan,
5079        cx: &mut Context<Self>,
5080    ) -> Callout {
5081        let error_message = match plan {
5082            cloud_llm_client::Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
5083            cloud_llm_client::Plan::ZedProTrial | cloud_llm_client::Plan::ZedFree => {
5084                "Upgrade to Zed Pro for more prompts."
5085            }
5086            cloud_llm_client::Plan::ZedProV2
5087            | cloud_llm_client::Plan::ZedProTrialV2
5088            | cloud_llm_client::Plan::ZedFreeV2 => "",
5089        };
5090
5091        Callout::new()
5092            .severity(Severity::Error)
5093            .title("Model Prompt Limit Reached")
5094            .icon(IconName::XCircle)
5095            .description(error_message)
5096            .actions_slot(
5097                h_flex()
5098                    .gap_0p5()
5099                    .child(self.upgrade_button(cx))
5100                    .child(self.create_copy_button(error_message)),
5101            )
5102            .dismiss_action(self.dismiss_error_button(cx))
5103    }
5104
5105    fn render_tool_use_limit_reached_error(
5106        &self,
5107        window: &mut Window,
5108        cx: &mut Context<Self>,
5109    ) -> Option<Callout> {
5110        let thread = self.as_native_thread(cx)?;
5111        let supports_burn_mode = thread
5112            .read(cx)
5113            .model()
5114            .is_some_and(|model| model.supports_burn_mode());
5115
5116        let focus_handle = self.focus_handle(cx);
5117
5118        Some(
5119            Callout::new()
5120                .icon(IconName::Info)
5121                .title("Consecutive tool use limit reached.")
5122                .actions_slot(
5123                    h_flex()
5124                        .gap_0p5()
5125                        .when(supports_burn_mode, |this| {
5126                            this.child(
5127                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5128                                    .style(ButtonStyle::Filled)
5129                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5130                                    .layer(ElevationIndex::ModalSurface)
5131                                    .label_size(LabelSize::Small)
5132                                    .key_binding(
5133                                        KeyBinding::for_action_in(
5134                                            &ContinueWithBurnMode,
5135                                            &focus_handle,
5136                                            window,
5137                                            cx,
5138                                        )
5139                                        .map(|kb| kb.size(rems_from_px(10.))),
5140                                    )
5141                                    .tooltip(Tooltip::text(
5142                                        "Enable Burn Mode for unlimited tool use.",
5143                                    ))
5144                                    .on_click({
5145                                        cx.listener(move |this, _, _window, cx| {
5146                                            thread.update(cx, |thread, cx| {
5147                                                thread
5148                                                    .set_completion_mode(CompletionMode::Burn, cx);
5149                                            });
5150                                            this.resume_chat(cx);
5151                                        })
5152                                    }),
5153                            )
5154                        })
5155                        .child(
5156                            Button::new("continue-conversation", "Continue")
5157                                .layer(ElevationIndex::ModalSurface)
5158                                .label_size(LabelSize::Small)
5159                                .key_binding(
5160                                    KeyBinding::for_action_in(
5161                                        &ContinueThread,
5162                                        &focus_handle,
5163                                        window,
5164                                        cx,
5165                                    )
5166                                    .map(|kb| kb.size(rems_from_px(10.))),
5167                                )
5168                                .on_click(cx.listener(|this, _, _window, cx| {
5169                                    this.resume_chat(cx);
5170                                })),
5171                        ),
5172                ),
5173        )
5174    }
5175
5176    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5177        let message = message.into();
5178
5179        IconButton::new("copy", IconName::Copy)
5180            .icon_size(IconSize::Small)
5181            .icon_color(Color::Muted)
5182            .tooltip(Tooltip::text("Copy Error Message"))
5183            .on_click(move |_, _, cx| {
5184                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5185            })
5186    }
5187
5188    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5189        IconButton::new("dismiss", IconName::Close)
5190            .icon_size(IconSize::Small)
5191            .icon_color(Color::Muted)
5192            .tooltip(Tooltip::text("Dismiss Error"))
5193            .on_click(cx.listener({
5194                move |this, _, _, cx| {
5195                    this.clear_thread_error(cx);
5196                    cx.notify();
5197                }
5198            }))
5199    }
5200
5201    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5202        Button::new("authenticate", "Authenticate")
5203            .label_size(LabelSize::Small)
5204            .style(ButtonStyle::Filled)
5205            .on_click(cx.listener({
5206                move |this, _, window, cx| {
5207                    let agent = this.agent.clone();
5208                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5209                        return;
5210                    };
5211
5212                    let connection = thread.read(cx).connection().clone();
5213                    let err = AuthRequired {
5214                        description: None,
5215                        provider_id: None,
5216                    };
5217                    this.clear_thread_error(cx);
5218                    let this = cx.weak_entity();
5219                    window.defer(cx, |window, cx| {
5220                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5221                    })
5222                }
5223            }))
5224    }
5225
5226    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5227        let agent = self.agent.clone();
5228        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5229            return;
5230        };
5231
5232        let connection = thread.read(cx).connection().clone();
5233        let err = AuthRequired {
5234            description: None,
5235            provider_id: None,
5236        };
5237        self.clear_thread_error(cx);
5238        let this = cx.weak_entity();
5239        window.defer(cx, |window, cx| {
5240            Self::handle_auth_required(this, err, agent, connection, window, cx);
5241        })
5242    }
5243
5244    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5245        Button::new("upgrade", "Upgrade")
5246            .label_size(LabelSize::Small)
5247            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5248            .on_click(cx.listener({
5249                move |this, _, _, cx| {
5250                    this.clear_thread_error(cx);
5251                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5252                }
5253            }))
5254    }
5255
5256    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5257        let task = match entry {
5258            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5259                history.delete_thread(thread.id.clone(), cx)
5260            }),
5261            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5262                history.delete_text_thread(context.path.clone(), cx)
5263            }),
5264        };
5265        task.detach_and_log_err(cx);
5266    }
5267}
5268
5269fn loading_contents_spinner(size: IconSize) -> AnyElement {
5270    Icon::new(IconName::LoadCircle)
5271        .size(size)
5272        .color(Color::Accent)
5273        .with_rotate_animation(3)
5274        .into_any_element()
5275}
5276
5277impl Focusable for AcpThreadView {
5278    fn focus_handle(&self, cx: &App) -> FocusHandle {
5279        match self.thread_state {
5280            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5281                self.message_editor.focus_handle(cx)
5282            }
5283            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5284                self.focus_handle.clone()
5285            }
5286        }
5287    }
5288}
5289
5290impl Render for AcpThreadView {
5291    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5292        let has_messages = self.list_state.item_count() > 0;
5293        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5294
5295        v_flex()
5296            .size_full()
5297            .key_context("AcpThread")
5298            .on_action(cx.listener(Self::open_agent_diff))
5299            .on_action(cx.listener(Self::toggle_burn_mode))
5300            .on_action(cx.listener(Self::keep_all))
5301            .on_action(cx.listener(Self::reject_all))
5302            .track_focus(&self.focus_handle)
5303            .bg(cx.theme().colors().panel_background)
5304            .child(match &self.thread_state {
5305                ThreadState::Unauthenticated {
5306                    connection,
5307                    description,
5308                    configuration_view,
5309                    pending_auth_method,
5310                    ..
5311                } => self.render_auth_required_state(
5312                    connection,
5313                    description.as_ref(),
5314                    configuration_view.as_ref(),
5315                    pending_auth_method.as_ref(),
5316                    window,
5317                    cx,
5318                ),
5319                ThreadState::Loading { .. } => v_flex()
5320                    .flex_1()
5321                    .child(self.render_recent_history(window, cx)),
5322                ThreadState::LoadError(e) => v_flex()
5323                    .flex_1()
5324                    .size_full()
5325                    .items_center()
5326                    .justify_end()
5327                    .child(self.render_load_error(e, window, cx)),
5328                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5329                    if has_messages {
5330                        this.child(
5331                            list(
5332                                self.list_state.clone(),
5333                                cx.processor(|this, index: usize, window, cx| {
5334                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5335                                        let entries = &thread.read(cx).entries();
5336                                        Some((entries.get(index)?, entries.len()))
5337                                    }) else {
5338                                        return Empty.into_any();
5339                                    };
5340                                    this.render_entry(index, len, entry, window, cx)
5341                                }),
5342                            )
5343                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5344                            .flex_grow()
5345                            .into_any(),
5346                        )
5347                        .child(self.render_vertical_scrollbar(cx))
5348                    } else {
5349                        this.child(self.render_recent_history(window, cx))
5350                    }
5351                }),
5352            })
5353            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5354            // above so that the scrollbar doesn't render behind it. The current setup allows
5355            // the scrollbar to stop exactly at the activity bar start.
5356            .when(has_messages, |this| match &self.thread_state {
5357                ThreadState::Ready { thread, .. } => {
5358                    this.children(self.render_activity_bar(thread, window, cx))
5359                }
5360                _ => this,
5361            })
5362            .children(self.render_thread_retry_status_callout(window, cx))
5363            .children(self.render_thread_error(window, cx))
5364            .when_some(
5365                self.new_server_version_available.as_ref().filter(|_| {
5366                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5367                }),
5368                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5369            )
5370            .children(
5371                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5372                    Some(usage_callout.into_any_element())
5373                } else {
5374                    self.render_token_limit_callout(line_height, cx)
5375                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5376                },
5377            )
5378            .child(self.render_message_editor(window, cx))
5379    }
5380}
5381
5382fn default_markdown_style(
5383    buffer_font: bool,
5384    muted_text: bool,
5385    window: &Window,
5386    cx: &App,
5387) -> MarkdownStyle {
5388    let theme_settings = ThemeSettings::get_global(cx);
5389    let colors = cx.theme().colors();
5390
5391    let buffer_font_size = TextSize::Small.rems(cx);
5392
5393    let mut text_style = window.text_style();
5394    let line_height = buffer_font_size * 1.75;
5395
5396    let font_family = if buffer_font {
5397        theme_settings.buffer_font.family.clone()
5398    } else {
5399        theme_settings.ui_font.family.clone()
5400    };
5401
5402    let font_size = if buffer_font {
5403        TextSize::Small.rems(cx)
5404    } else {
5405        TextSize::Default.rems(cx)
5406    };
5407
5408    let text_color = if muted_text {
5409        colors.text_muted
5410    } else {
5411        colors.text
5412    };
5413
5414    text_style.refine(&TextStyleRefinement {
5415        font_family: Some(font_family),
5416        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5417        font_features: Some(theme_settings.ui_font.features.clone()),
5418        font_size: Some(font_size.into()),
5419        line_height: Some(line_height.into()),
5420        color: Some(text_color),
5421        ..Default::default()
5422    });
5423
5424    MarkdownStyle {
5425        base_text_style: text_style.clone(),
5426        syntax: cx.theme().syntax().clone(),
5427        selection_background_color: colors.element_selection_background,
5428        code_block_overflow_x_scroll: true,
5429        table_overflow_x_scroll: true,
5430        heading_level_styles: Some(HeadingLevelStyles {
5431            h1: Some(TextStyleRefinement {
5432                font_size: Some(rems(1.15).into()),
5433                ..Default::default()
5434            }),
5435            h2: Some(TextStyleRefinement {
5436                font_size: Some(rems(1.1).into()),
5437                ..Default::default()
5438            }),
5439            h3: Some(TextStyleRefinement {
5440                font_size: Some(rems(1.05).into()),
5441                ..Default::default()
5442            }),
5443            h4: Some(TextStyleRefinement {
5444                font_size: Some(rems(1.).into()),
5445                ..Default::default()
5446            }),
5447            h5: Some(TextStyleRefinement {
5448                font_size: Some(rems(0.95).into()),
5449                ..Default::default()
5450            }),
5451            h6: Some(TextStyleRefinement {
5452                font_size: Some(rems(0.875).into()),
5453                ..Default::default()
5454            }),
5455        }),
5456        code_block: StyleRefinement {
5457            padding: EdgesRefinement {
5458                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5459                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5460                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5461                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5462            },
5463            margin: EdgesRefinement {
5464                top: Some(Length::Definite(Pixels(8.).into())),
5465                left: Some(Length::Definite(Pixels(0.).into())),
5466                right: Some(Length::Definite(Pixels(0.).into())),
5467                bottom: Some(Length::Definite(Pixels(12.).into())),
5468            },
5469            border_style: Some(BorderStyle::Solid),
5470            border_widths: EdgesRefinement {
5471                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5472                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5473                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5474                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5475            },
5476            border_color: Some(colors.border_variant),
5477            background: Some(colors.editor_background.into()),
5478            text: Some(TextStyleRefinement {
5479                font_family: Some(theme_settings.buffer_font.family.clone()),
5480                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5481                font_features: Some(theme_settings.buffer_font.features.clone()),
5482                font_size: Some(buffer_font_size.into()),
5483                ..Default::default()
5484            }),
5485            ..Default::default()
5486        },
5487        inline_code: TextStyleRefinement {
5488            font_family: Some(theme_settings.buffer_font.family.clone()),
5489            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5490            font_features: Some(theme_settings.buffer_font.features.clone()),
5491            font_size: Some(buffer_font_size.into()),
5492            background_color: Some(colors.editor_foreground.opacity(0.08)),
5493            ..Default::default()
5494        },
5495        link: TextStyleRefinement {
5496            background_color: Some(colors.editor_foreground.opacity(0.025)),
5497            underline: Some(UnderlineStyle {
5498                color: Some(colors.text_accent.opacity(0.5)),
5499                thickness: px(1.),
5500                ..Default::default()
5501            }),
5502            ..Default::default()
5503        },
5504        ..Default::default()
5505    }
5506}
5507
5508fn plan_label_markdown_style(
5509    status: &acp::PlanEntryStatus,
5510    window: &Window,
5511    cx: &App,
5512) -> MarkdownStyle {
5513    let default_md_style = default_markdown_style(false, false, window, cx);
5514
5515    MarkdownStyle {
5516        base_text_style: TextStyle {
5517            color: cx.theme().colors().text_muted,
5518            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5519                Some(gpui::StrikethroughStyle {
5520                    thickness: px(1.),
5521                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5522                })
5523            } else {
5524                None
5525            },
5526            ..default_md_style.base_text_style
5527        },
5528        ..default_md_style
5529    }
5530}
5531
5532fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5533    let default_md_style = default_markdown_style(true, false, window, cx);
5534
5535    MarkdownStyle {
5536        base_text_style: TextStyle {
5537            ..default_md_style.base_text_style
5538        },
5539        selection_background_color: cx.theme().colors().element_selection_background,
5540        ..Default::default()
5541    }
5542}
5543
5544#[cfg(test)]
5545pub(crate) mod tests {
5546    use acp_thread::StubAgentConnection;
5547    use agent_client_protocol::SessionId;
5548    use assistant_context::ContextStore;
5549    use editor::EditorSettings;
5550    use fs::FakeFs;
5551    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5552    use project::Project;
5553    use serde_json::json;
5554    use settings::SettingsStore;
5555    use std::any::Any;
5556    use std::path::Path;
5557    use workspace::Item;
5558
5559    use super::*;
5560
5561    #[gpui::test]
5562    async fn test_drop(cx: &mut TestAppContext) {
5563        init_test(cx);
5564
5565        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5566        let weak_view = thread_view.downgrade();
5567        drop(thread_view);
5568        assert!(!weak_view.is_upgradable());
5569    }
5570
5571    #[gpui::test]
5572    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5573        init_test(cx);
5574
5575        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5576
5577        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5578        message_editor.update_in(cx, |editor, window, cx| {
5579            editor.set_text("Hello", window, cx);
5580        });
5581
5582        cx.deactivate_window();
5583
5584        thread_view.update_in(cx, |thread_view, window, cx| {
5585            thread_view.send(window, cx);
5586        });
5587
5588        cx.run_until_parked();
5589
5590        assert!(
5591            cx.windows()
5592                .iter()
5593                .any(|window| window.downcast::<AgentNotification>().is_some())
5594        );
5595    }
5596
5597    #[gpui::test]
5598    async fn test_notification_for_error(cx: &mut TestAppContext) {
5599        init_test(cx);
5600
5601        let (thread_view, cx) =
5602            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5603
5604        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5605        message_editor.update_in(cx, |editor, window, cx| {
5606            editor.set_text("Hello", window, cx);
5607        });
5608
5609        cx.deactivate_window();
5610
5611        thread_view.update_in(cx, |thread_view, window, cx| {
5612            thread_view.send(window, cx);
5613        });
5614
5615        cx.run_until_parked();
5616
5617        assert!(
5618            cx.windows()
5619                .iter()
5620                .any(|window| window.downcast::<AgentNotification>().is_some())
5621        );
5622    }
5623
5624    #[gpui::test]
5625    async fn test_refusal_handling(cx: &mut TestAppContext) {
5626        init_test(cx);
5627
5628        let (thread_view, cx) =
5629            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5630
5631        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5632        message_editor.update_in(cx, |editor, window, cx| {
5633            editor.set_text("Do something harmful", window, cx);
5634        });
5635
5636        thread_view.update_in(cx, |thread_view, window, cx| {
5637            thread_view.send(window, cx);
5638        });
5639
5640        cx.run_until_parked();
5641
5642        // Check that the refusal error is set
5643        thread_view.read_with(cx, |thread_view, _cx| {
5644            assert!(
5645                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5646                "Expected refusal error to be set"
5647            );
5648        });
5649    }
5650
5651    #[gpui::test]
5652    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5653        init_test(cx);
5654
5655        let tool_call_id = acp::ToolCallId("1".into());
5656        let tool_call = acp::ToolCall {
5657            id: tool_call_id.clone(),
5658            title: "Label".into(),
5659            kind: acp::ToolKind::Edit,
5660            status: acp::ToolCallStatus::Pending,
5661            content: vec!["hi".into()],
5662            locations: vec![],
5663            raw_input: None,
5664            raw_output: None,
5665        };
5666        let connection =
5667            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5668                tool_call_id,
5669                vec![acp::PermissionOption {
5670                    id: acp::PermissionOptionId("1".into()),
5671                    name: "Allow".into(),
5672                    kind: acp::PermissionOptionKind::AllowOnce,
5673                }],
5674            )]));
5675
5676        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5677
5678        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5679
5680        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5681        message_editor.update_in(cx, |editor, window, cx| {
5682            editor.set_text("Hello", window, cx);
5683        });
5684
5685        cx.deactivate_window();
5686
5687        thread_view.update_in(cx, |thread_view, window, cx| {
5688            thread_view.send(window, cx);
5689        });
5690
5691        cx.run_until_parked();
5692
5693        assert!(
5694            cx.windows()
5695                .iter()
5696                .any(|window| window.downcast::<AgentNotification>().is_some())
5697        );
5698    }
5699
5700    async fn setup_thread_view(
5701        agent: impl AgentServer + 'static,
5702        cx: &mut TestAppContext,
5703    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5704        let fs = FakeFs::new(cx.executor());
5705        let project = Project::test(fs, [], cx).await;
5706        let (workspace, cx) =
5707            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5708
5709        let context_store =
5710            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5711        let history_store =
5712            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5713
5714        let thread_view = cx.update(|window, cx| {
5715            cx.new(|cx| {
5716                AcpThreadView::new(
5717                    Rc::new(agent),
5718                    None,
5719                    None,
5720                    workspace.downgrade(),
5721                    project,
5722                    history_store,
5723                    None,
5724                    window,
5725                    cx,
5726                )
5727            })
5728        });
5729        cx.run_until_parked();
5730        (thread_view, cx)
5731    }
5732
5733    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5734        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5735
5736        workspace
5737            .update_in(cx, |workspace, window, cx| {
5738                workspace.add_item_to_active_pane(
5739                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5740                    None,
5741                    true,
5742                    window,
5743                    cx,
5744                );
5745            })
5746            .unwrap();
5747    }
5748
5749    struct ThreadViewItem(Entity<AcpThreadView>);
5750
5751    impl Item for ThreadViewItem {
5752        type Event = ();
5753
5754        fn include_in_nav_history() -> bool {
5755            false
5756        }
5757
5758        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5759            "Test".into()
5760        }
5761    }
5762
5763    impl EventEmitter<()> for ThreadViewItem {}
5764
5765    impl Focusable for ThreadViewItem {
5766        fn focus_handle(&self, cx: &App) -> FocusHandle {
5767            self.0.read(cx).focus_handle(cx)
5768        }
5769    }
5770
5771    impl Render for ThreadViewItem {
5772        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5773            self.0.clone().into_any_element()
5774        }
5775    }
5776
5777    struct StubAgentServer<C> {
5778        connection: C,
5779    }
5780
5781    impl<C> StubAgentServer<C> {
5782        fn new(connection: C) -> Self {
5783            Self { connection }
5784        }
5785    }
5786
5787    impl StubAgentServer<StubAgentConnection> {
5788        fn default_response() -> Self {
5789            let conn = StubAgentConnection::new();
5790            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5791                content: "Default response".into(),
5792            }]);
5793            Self::new(conn)
5794        }
5795    }
5796
5797    impl<C> AgentServer for StubAgentServer<C>
5798    where
5799        C: 'static + AgentConnection + Send + Clone,
5800    {
5801        fn telemetry_id(&self) -> &'static str {
5802            "test"
5803        }
5804
5805        fn logo(&self) -> ui::IconName {
5806            ui::IconName::Ai
5807        }
5808
5809        fn name(&self) -> SharedString {
5810            "Test".into()
5811        }
5812
5813        fn connect(
5814            &self,
5815            _root_dir: Option<&Path>,
5816            _delegate: AgentServerDelegate,
5817            _cx: &mut App,
5818        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
5819            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
5820        }
5821
5822        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5823            self
5824        }
5825    }
5826
5827    #[derive(Clone)]
5828    struct SaboteurAgentConnection;
5829
5830    impl AgentConnection for SaboteurAgentConnection {
5831        fn new_thread(
5832            self: Rc<Self>,
5833            project: Entity<Project>,
5834            _cwd: &Path,
5835            cx: &mut gpui::App,
5836        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5837            Task::ready(Ok(cx.new(|cx| {
5838                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5839                AcpThread::new(
5840                    "SaboteurAgentConnection",
5841                    self,
5842                    project,
5843                    action_log,
5844                    SessionId("test".into()),
5845                    watch::Receiver::constant(acp::PromptCapabilities {
5846                        image: true,
5847                        audio: true,
5848                        embedded_context: true,
5849                    }),
5850                    cx,
5851                )
5852            })))
5853        }
5854
5855        fn auth_methods(&self) -> &[acp::AuthMethod] {
5856            &[]
5857        }
5858
5859        fn authenticate(
5860            &self,
5861            _method_id: acp::AuthMethodId,
5862            _cx: &mut App,
5863        ) -> Task<gpui::Result<()>> {
5864            unimplemented!()
5865        }
5866
5867        fn prompt(
5868            &self,
5869            _id: Option<acp_thread::UserMessageId>,
5870            _params: acp::PromptRequest,
5871            _cx: &mut App,
5872        ) -> Task<gpui::Result<acp::PromptResponse>> {
5873            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5874        }
5875
5876        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5877            unimplemented!()
5878        }
5879
5880        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5881            self
5882        }
5883    }
5884
5885    /// Simulates a model which always returns a refusal response
5886    #[derive(Clone)]
5887    struct RefusalAgentConnection;
5888
5889    impl AgentConnection for RefusalAgentConnection {
5890        fn new_thread(
5891            self: Rc<Self>,
5892            project: Entity<Project>,
5893            _cwd: &Path,
5894            cx: &mut gpui::App,
5895        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5896            Task::ready(Ok(cx.new(|cx| {
5897                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5898                AcpThread::new(
5899                    "RefusalAgentConnection",
5900                    self,
5901                    project,
5902                    action_log,
5903                    SessionId("test".into()),
5904                    watch::Receiver::constant(acp::PromptCapabilities {
5905                        image: true,
5906                        audio: true,
5907                        embedded_context: true,
5908                    }),
5909                    cx,
5910                )
5911            })))
5912        }
5913
5914        fn auth_methods(&self) -> &[acp::AuthMethod] {
5915            &[]
5916        }
5917
5918        fn authenticate(
5919            &self,
5920            _method_id: acp::AuthMethodId,
5921            _cx: &mut App,
5922        ) -> Task<gpui::Result<()>> {
5923            unimplemented!()
5924        }
5925
5926        fn prompt(
5927            &self,
5928            _id: Option<acp_thread::UserMessageId>,
5929            _params: acp::PromptRequest,
5930            _cx: &mut App,
5931        ) -> Task<gpui::Result<acp::PromptResponse>> {
5932            Task::ready(Ok(acp::PromptResponse {
5933                stop_reason: acp::StopReason::Refusal,
5934            }))
5935        }
5936
5937        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5938            unimplemented!()
5939        }
5940
5941        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5942            self
5943        }
5944    }
5945
5946    pub(crate) fn init_test(cx: &mut TestAppContext) {
5947        cx.update(|cx| {
5948            let settings_store = SettingsStore::test(cx);
5949            cx.set_global(settings_store);
5950            language::init(cx);
5951            Project::init_settings(cx);
5952            AgentSettings::register(cx);
5953            workspace::init_settings(cx);
5954            ThemeSettings::register(cx);
5955            release_channel::init(SemanticVersion::default(), cx);
5956            EditorSettings::register(cx);
5957            prompt_store::init(cx)
5958        });
5959    }
5960
5961    #[gpui::test]
5962    async fn test_rewind_views(cx: &mut TestAppContext) {
5963        init_test(cx);
5964
5965        let fs = FakeFs::new(cx.executor());
5966        fs.insert_tree(
5967            "/project",
5968            json!({
5969                "test1.txt": "old content 1",
5970                "test2.txt": "old content 2"
5971            }),
5972        )
5973        .await;
5974        let project = Project::test(fs, [Path::new("/project")], cx).await;
5975        let (workspace, cx) =
5976            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5977
5978        let context_store =
5979            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5980        let history_store =
5981            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5982
5983        let connection = Rc::new(StubAgentConnection::new());
5984        let thread_view = cx.update(|window, cx| {
5985            cx.new(|cx| {
5986                AcpThreadView::new(
5987                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
5988                    None,
5989                    None,
5990                    workspace.downgrade(),
5991                    project.clone(),
5992                    history_store.clone(),
5993                    None,
5994                    window,
5995                    cx,
5996                )
5997            })
5998        });
5999
6000        cx.run_until_parked();
6001
6002        let thread = thread_view
6003            .read_with(cx, |view, _| view.thread().cloned())
6004            .unwrap();
6005
6006        // First user message
6007        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6008            id: acp::ToolCallId("tool1".into()),
6009            title: "Edit file 1".into(),
6010            kind: acp::ToolKind::Edit,
6011            status: acp::ToolCallStatus::Completed,
6012            content: vec![acp::ToolCallContent::Diff {
6013                diff: acp::Diff {
6014                    path: "/project/test1.txt".into(),
6015                    old_text: Some("old content 1".into()),
6016                    new_text: "new content 1".into(),
6017                },
6018            }],
6019            locations: vec![],
6020            raw_input: None,
6021            raw_output: None,
6022        })]);
6023
6024        thread
6025            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6026            .await
6027            .unwrap();
6028        cx.run_until_parked();
6029
6030        thread.read_with(cx, |thread, _| {
6031            assert_eq!(thread.entries().len(), 2);
6032        });
6033
6034        thread_view.read_with(cx, |view, cx| {
6035            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6036                assert!(
6037                    entry_view_state
6038                        .entry(0)
6039                        .unwrap()
6040                        .message_editor()
6041                        .is_some()
6042                );
6043                assert!(entry_view_state.entry(1).unwrap().has_content());
6044            });
6045        });
6046
6047        // Second user message
6048        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6049            id: acp::ToolCallId("tool2".into()),
6050            title: "Edit file 2".into(),
6051            kind: acp::ToolKind::Edit,
6052            status: acp::ToolCallStatus::Completed,
6053            content: vec![acp::ToolCallContent::Diff {
6054                diff: acp::Diff {
6055                    path: "/project/test2.txt".into(),
6056                    old_text: Some("old content 2".into()),
6057                    new_text: "new content 2".into(),
6058                },
6059            }],
6060            locations: vec![],
6061            raw_input: None,
6062            raw_output: None,
6063        })]);
6064
6065        thread
6066            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6067            .await
6068            .unwrap();
6069        cx.run_until_parked();
6070
6071        let second_user_message_id = thread.read_with(cx, |thread, _| {
6072            assert_eq!(thread.entries().len(), 4);
6073            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6074                panic!();
6075            };
6076            user_message.id.clone().unwrap()
6077        });
6078
6079        thread_view.read_with(cx, |view, cx| {
6080            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6081                assert!(
6082                    entry_view_state
6083                        .entry(0)
6084                        .unwrap()
6085                        .message_editor()
6086                        .is_some()
6087                );
6088                assert!(entry_view_state.entry(1).unwrap().has_content());
6089                assert!(
6090                    entry_view_state
6091                        .entry(2)
6092                        .unwrap()
6093                        .message_editor()
6094                        .is_some()
6095                );
6096                assert!(entry_view_state.entry(3).unwrap().has_content());
6097            });
6098        });
6099
6100        // Rewind to first message
6101        thread
6102            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6103            .await
6104            .unwrap();
6105
6106        cx.run_until_parked();
6107
6108        thread.read_with(cx, |thread, _| {
6109            assert_eq!(thread.entries().len(), 2);
6110        });
6111
6112        thread_view.read_with(cx, |view, cx| {
6113            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6114                assert!(
6115                    entry_view_state
6116                        .entry(0)
6117                        .unwrap()
6118                        .message_editor()
6119                        .is_some()
6120                );
6121                assert!(entry_view_state.entry(1).unwrap().has_content());
6122
6123                // Old views should be dropped
6124                assert!(entry_view_state.entry(2).is_none());
6125                assert!(entry_view_state.entry(3).is_none());
6126            });
6127        });
6128    }
6129
6130    #[gpui::test]
6131    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6132        init_test(cx);
6133
6134        let connection = StubAgentConnection::new();
6135
6136        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6137            content: acp::ContentBlock::Text(acp::TextContent {
6138                text: "Response".into(),
6139                annotations: None,
6140            }),
6141        }]);
6142
6143        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6144        add_to_workspace(thread_view.clone(), cx);
6145
6146        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6147        message_editor.update_in(cx, |editor, window, cx| {
6148            editor.set_text("Original message to edit", window, cx);
6149        });
6150        thread_view.update_in(cx, |thread_view, window, cx| {
6151            thread_view.send(window, cx);
6152        });
6153
6154        cx.run_until_parked();
6155
6156        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6157            assert_eq!(view.editing_message, None);
6158
6159            view.entry_view_state
6160                .read(cx)
6161                .entry(0)
6162                .unwrap()
6163                .message_editor()
6164                .unwrap()
6165                .clone()
6166        });
6167
6168        // Focus
6169        cx.focus(&user_message_editor);
6170        thread_view.read_with(cx, |view, _cx| {
6171            assert_eq!(view.editing_message, Some(0));
6172        });
6173
6174        // Edit
6175        user_message_editor.update_in(cx, |editor, window, cx| {
6176            editor.set_text("Edited message content", window, cx);
6177        });
6178
6179        // Cancel
6180        user_message_editor.update_in(cx, |_editor, window, cx| {
6181            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6182        });
6183
6184        thread_view.read_with(cx, |view, _cx| {
6185            assert_eq!(view.editing_message, None);
6186        });
6187
6188        user_message_editor.read_with(cx, |editor, cx| {
6189            assert_eq!(editor.text(cx), "Original message to edit");
6190        });
6191    }
6192
6193    #[gpui::test]
6194    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6195        init_test(cx);
6196
6197        let connection = StubAgentConnection::new();
6198
6199        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6200        add_to_workspace(thread_view.clone(), cx);
6201
6202        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6203        let mut events = cx.events(&message_editor);
6204        message_editor.update_in(cx, |editor, window, cx| {
6205            editor.set_text("", window, cx);
6206        });
6207
6208        message_editor.update_in(cx, |_editor, window, cx| {
6209            window.dispatch_action(Box::new(Chat), cx);
6210        });
6211        cx.run_until_parked();
6212        // We shouldn't have received any messages
6213        assert!(matches!(
6214            events.try_next(),
6215            Err(futures::channel::mpsc::TryRecvError { .. })
6216        ));
6217    }
6218
6219    #[gpui::test]
6220    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6221        init_test(cx);
6222
6223        let connection = StubAgentConnection::new();
6224
6225        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6226            content: acp::ContentBlock::Text(acp::TextContent {
6227                text: "Response".into(),
6228                annotations: None,
6229            }),
6230        }]);
6231
6232        let (thread_view, cx) =
6233            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6234        add_to_workspace(thread_view.clone(), cx);
6235
6236        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6237        message_editor.update_in(cx, |editor, window, cx| {
6238            editor.set_text("Original message to edit", window, cx);
6239        });
6240        thread_view.update_in(cx, |thread_view, window, cx| {
6241            thread_view.send(window, cx);
6242        });
6243
6244        cx.run_until_parked();
6245
6246        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6247            assert_eq!(view.editing_message, None);
6248            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6249
6250            view.entry_view_state
6251                .read(cx)
6252                .entry(0)
6253                .unwrap()
6254                .message_editor()
6255                .unwrap()
6256                .clone()
6257        });
6258
6259        // Focus
6260        cx.focus(&user_message_editor);
6261
6262        // Edit
6263        user_message_editor.update_in(cx, |editor, window, cx| {
6264            editor.set_text("Edited message content", window, cx);
6265        });
6266
6267        // Send
6268        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6269            content: acp::ContentBlock::Text(acp::TextContent {
6270                text: "New Response".into(),
6271                annotations: None,
6272            }),
6273        }]);
6274
6275        user_message_editor.update_in(cx, |_editor, window, cx| {
6276            window.dispatch_action(Box::new(Chat), cx);
6277        });
6278
6279        cx.run_until_parked();
6280
6281        thread_view.read_with(cx, |view, cx| {
6282            assert_eq!(view.editing_message, None);
6283
6284            let entries = view.thread().unwrap().read(cx).entries();
6285            assert_eq!(entries.len(), 2);
6286            assert_eq!(
6287                entries[0].to_markdown(cx),
6288                "## User\n\nEdited message content\n\n"
6289            );
6290            assert_eq!(
6291                entries[1].to_markdown(cx),
6292                "## Assistant\n\nNew Response\n\n"
6293            );
6294
6295            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6296                assert!(!state.entry(1).unwrap().has_content());
6297                state.entry(0).unwrap().message_editor().unwrap().clone()
6298            });
6299
6300            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6301        })
6302    }
6303
6304    #[gpui::test]
6305    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6306        init_test(cx);
6307
6308        let connection = StubAgentConnection::new();
6309
6310        let (thread_view, cx) =
6311            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6312        add_to_workspace(thread_view.clone(), cx);
6313
6314        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6315        message_editor.update_in(cx, |editor, window, cx| {
6316            editor.set_text("Original message to edit", window, cx);
6317        });
6318        thread_view.update_in(cx, |thread_view, window, cx| {
6319            thread_view.send(window, cx);
6320        });
6321
6322        cx.run_until_parked();
6323
6324        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6325            let thread = view.thread().unwrap().read(cx);
6326            assert_eq!(thread.entries().len(), 1);
6327
6328            let editor = view
6329                .entry_view_state
6330                .read(cx)
6331                .entry(0)
6332                .unwrap()
6333                .message_editor()
6334                .unwrap()
6335                .clone();
6336
6337            (editor, thread.session_id().clone())
6338        });
6339
6340        // Focus
6341        cx.focus(&user_message_editor);
6342
6343        thread_view.read_with(cx, |view, _cx| {
6344            assert_eq!(view.editing_message, Some(0));
6345        });
6346
6347        // Edit
6348        user_message_editor.update_in(cx, |editor, window, cx| {
6349            editor.set_text("Edited message content", window, cx);
6350        });
6351
6352        thread_view.read_with(cx, |view, _cx| {
6353            assert_eq!(view.editing_message, Some(0));
6354        });
6355
6356        // Finish streaming response
6357        cx.update(|_, cx| {
6358            connection.send_update(
6359                session_id.clone(),
6360                acp::SessionUpdate::AgentMessageChunk {
6361                    content: acp::ContentBlock::Text(acp::TextContent {
6362                        text: "Response".into(),
6363                        annotations: None,
6364                    }),
6365                },
6366                cx,
6367            );
6368            connection.end_turn(session_id, acp::StopReason::EndTurn);
6369        });
6370
6371        thread_view.read_with(cx, |view, _cx| {
6372            assert_eq!(view.editing_message, Some(0));
6373        });
6374
6375        cx.run_until_parked();
6376
6377        // Should still be editing
6378        cx.update(|window, cx| {
6379            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6380            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6381            assert_eq!(
6382                user_message_editor.read(cx).text(cx),
6383                "Edited message content"
6384            );
6385        });
6386    }
6387
6388    #[gpui::test]
6389    async fn test_interrupt(cx: &mut TestAppContext) {
6390        init_test(cx);
6391
6392        let connection = StubAgentConnection::new();
6393
6394        let (thread_view, cx) =
6395            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6396        add_to_workspace(thread_view.clone(), cx);
6397
6398        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6399        message_editor.update_in(cx, |editor, window, cx| {
6400            editor.set_text("Message 1", window, cx);
6401        });
6402        thread_view.update_in(cx, |thread_view, window, cx| {
6403            thread_view.send(window, cx);
6404        });
6405
6406        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6407            let thread = view.thread().unwrap();
6408
6409            (thread.clone(), thread.read(cx).session_id().clone())
6410        });
6411
6412        cx.run_until_parked();
6413
6414        cx.update(|_, cx| {
6415            connection.send_update(
6416                session_id.clone(),
6417                acp::SessionUpdate::AgentMessageChunk {
6418                    content: "Message 1 resp".into(),
6419                },
6420                cx,
6421            );
6422        });
6423
6424        cx.run_until_parked();
6425
6426        thread.read_with(cx, |thread, cx| {
6427            assert_eq!(
6428                thread.to_markdown(cx),
6429                indoc::indoc! {"
6430                    ## User
6431
6432                    Message 1
6433
6434                    ## Assistant
6435
6436                    Message 1 resp
6437
6438                "}
6439            )
6440        });
6441
6442        message_editor.update_in(cx, |editor, window, cx| {
6443            editor.set_text("Message 2", window, cx);
6444        });
6445        thread_view.update_in(cx, |thread_view, window, cx| {
6446            thread_view.send(window, cx);
6447        });
6448
6449        cx.update(|_, cx| {
6450            // Simulate a response sent after beginning to cancel
6451            connection.send_update(
6452                session_id.clone(),
6453                acp::SessionUpdate::AgentMessageChunk {
6454                    content: "onse".into(),
6455                },
6456                cx,
6457            );
6458        });
6459
6460        cx.run_until_parked();
6461
6462        // Last Message 1 response should appear before Message 2
6463        thread.read_with(cx, |thread, cx| {
6464            assert_eq!(
6465                thread.to_markdown(cx),
6466                indoc::indoc! {"
6467                    ## User
6468
6469                    Message 1
6470
6471                    ## Assistant
6472
6473                    Message 1 response
6474
6475                    ## User
6476
6477                    Message 2
6478
6479                "}
6480            )
6481        });
6482
6483        cx.update(|_, cx| {
6484            connection.send_update(
6485                session_id.clone(),
6486                acp::SessionUpdate::AgentMessageChunk {
6487                    content: "Message 2 response".into(),
6488                },
6489                cx,
6490            );
6491            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6492        });
6493
6494        cx.run_until_parked();
6495
6496        thread.read_with(cx, |thread, cx| {
6497            assert_eq!(
6498                thread.to_markdown(cx),
6499                indoc::indoc! {"
6500                    ## User
6501
6502                    Message 1
6503
6504                    ## Assistant
6505
6506                    Message 1 response
6507
6508                    ## User
6509
6510                    Message 2
6511
6512                    ## Assistant
6513
6514                    Message 2 response
6515
6516                "}
6517            )
6518        });
6519    }
6520}