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, ActionLogTelemetry};
   8use agent::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
   9use agent_client_protocol::{self as acp, PromptCapabilities};
  10use agent_servers::{AgentServer, AgentServerDelegate};
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
  12use anyhow::{Result, anyhow};
  13use arrayvec::ArrayVec;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use cloud_llm_client::PlanV1;
  18use collections::{HashMap, HashSet};
  19use editor::scroll::Autoscroll;
  20use editor::{
  21    Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects, SizingBehavior,
  22};
  23use file_icons::FileIcons;
  24use fs::Fs;
  25use futures::FutureExt as _;
  26use gpui::{
  27    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  28    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  29    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  30    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  31    ease_in_out, linear_color_stop, linear_gradient, list, point, pulsating_between,
  32};
  33use language::Buffer;
  34
  35use language_model::LanguageModelRegistry;
  36use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  37use project::{Project, ProjectEntryId};
  38use prompt_store::{PromptId, PromptStore};
  39use rope::Point;
  40use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  41use std::cell::RefCell;
  42use std::path::Path;
  43use std::sync::Arc;
  44use std::time::Instant;
  45use std::{collections::BTreeMap, rc::Rc, time::Duration};
  46use terminal_view::terminal_panel::TerminalPanel;
  47use text::Anchor;
  48use theme::{AgentFontSize, ThemeSettings};
  49use ui::{
  50    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  51    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  52};
  53use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  54use workspace::{CollaboratorId, NewTerminal, Workspace};
  55use zed_actions::agent::{Chat, ToggleModelSelector};
  56use zed_actions::assistant::OpenRulesLibrary;
  57
  58use super::entry_view_state::EntryViewState;
  59use crate::acp::AcpModelSelectorPopover;
  60use crate::acp::ModeSelector;
  61use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  62use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  63use crate::agent_diff::AgentDiff;
  64use crate::profile_selector::{ProfileProvider, ProfileSelector};
  65
  66use crate::ui::{
  67    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  68    UsageCallout,
  69};
  70use crate::{
  71    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  72    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, NewThread, OpenAgentDiff, OpenHistory,
  73    RejectAll, RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  74};
  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 = format!("{:#}", error);
 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(string.into())
 117            }
 118        }
 119    }
 120}
 121
 122impl ProfileProvider for Entity<agent::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            // Apply the profile and let the thread swap to its default model.
 130            thread.set_profile(profile_id, cx);
 131        });
 132    }
 133
 134    fn profiles_supported(&self, cx: &App) -> bool {
 135        self.read(cx)
 136            .model()
 137            .is_some_and(|model| model.supports_tools())
 138    }
 139}
 140
 141#[derive(Default)]
 142struct ThreadFeedbackState {
 143    feedback: Option<ThreadFeedback>,
 144    comments_editor: Option<Entity<Editor>>,
 145}
 146
 147impl ThreadFeedbackState {
 148    pub fn submit(
 149        &mut self,
 150        thread: Entity<AcpThread>,
 151        feedback: ThreadFeedback,
 152        window: &mut Window,
 153        cx: &mut App,
 154    ) {
 155        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 156            return;
 157        };
 158
 159        if self.feedback == Some(feedback) {
 160            return;
 161        }
 162
 163        self.feedback = Some(feedback);
 164        match feedback {
 165            ThreadFeedback::Positive => {
 166                self.comments_editor = None;
 167            }
 168            ThreadFeedback::Negative => {
 169                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 170            }
 171        }
 172        let session_id = thread.read(cx).session_id().clone();
 173        let agent = thread.read(cx).connection().telemetry_id();
 174        let task = telemetry.thread_data(&session_id, cx);
 175        let rating = match feedback {
 176            ThreadFeedback::Positive => "positive",
 177            ThreadFeedback::Negative => "negative",
 178        };
 179        cx.background_spawn(async move {
 180            let thread = task.await?;
 181            telemetry::event!(
 182                "Agent Thread Rated",
 183                agent = agent,
 184                session_id = session_id,
 185                rating = rating,
 186                thread = thread
 187            );
 188            anyhow::Ok(())
 189        })
 190        .detach_and_log_err(cx);
 191    }
 192
 193    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 194        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 195            return;
 196        };
 197
 198        let Some(comments) = self
 199            .comments_editor
 200            .as_ref()
 201            .map(|editor| editor.read(cx).text(cx))
 202            .filter(|text| !text.trim().is_empty())
 203        else {
 204            return;
 205        };
 206
 207        self.comments_editor.take();
 208
 209        let session_id = thread.read(cx).session_id().clone();
 210        let agent = thread.read(cx).connection().telemetry_id();
 211        let task = telemetry.thread_data(&session_id, cx);
 212        cx.background_spawn(async move {
 213            let thread = task.await?;
 214            telemetry::event!(
 215                "Agent Thread Feedback Comments",
 216                agent = agent,
 217                session_id = session_id,
 218                comments = comments,
 219                thread = thread
 220            );
 221            anyhow::Ok(())
 222        })
 223        .detach_and_log_err(cx);
 224    }
 225
 226    pub fn clear(&mut self) {
 227        *self = Self::default()
 228    }
 229
 230    pub fn dismiss_comments(&mut self) {
 231        self.comments_editor.take();
 232    }
 233
 234    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 235        let buffer = cx.new(|cx| {
 236            let empty_string = String::new();
 237            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 238        });
 239
 240        let editor = cx.new(|cx| {
 241            let mut editor = Editor::new(
 242                editor::EditorMode::AutoHeight {
 243                    min_lines: 1,
 244                    max_lines: Some(4),
 245                },
 246                buffer,
 247                None,
 248                window,
 249                cx,
 250            );
 251            editor.set_placeholder_text(
 252                "What went wrong? Share your feedback so we can improve.",
 253                window,
 254                cx,
 255            );
 256            editor
 257        });
 258
 259        editor.read(cx).focus_handle(cx).focus(window);
 260        editor
 261    }
 262}
 263
 264pub struct AcpThreadView {
 265    agent: Rc<dyn AgentServer>,
 266    workspace: WeakEntity<Workspace>,
 267    project: Entity<Project>,
 268    thread_state: ThreadState,
 269    login: Option<task::SpawnInTerminal>,
 270    history_store: Entity<HistoryStore>,
 271    hovered_recent_history_item: Option<usize>,
 272    entry_view_state: Entity<EntryViewState>,
 273    message_editor: Entity<MessageEditor>,
 274    focus_handle: FocusHandle,
 275    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 276    profile_selector: Option<Entity<ProfileSelector>>,
 277    notifications: Vec<WindowHandle<AgentNotification>>,
 278    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 279    thread_retry_status: Option<RetryStatus>,
 280    thread_error: Option<ThreadError>,
 281    thread_error_markdown: Option<Entity<Markdown>>,
 282    thread_feedback: ThreadFeedbackState,
 283    list_state: ListState,
 284    auth_task: Option<Task<()>>,
 285    expanded_tool_calls: HashSet<acp::ToolCallId>,
 286    expanded_thinking_blocks: HashSet<(usize, usize)>,
 287    edits_expanded: bool,
 288    plan_expanded: bool,
 289    editor_expanded: bool,
 290    should_be_following: bool,
 291    editing_message: Option<usize>,
 292    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 293    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 294    is_loading_contents: bool,
 295    new_server_version_available: Option<SharedString>,
 296    resume_thread_metadata: Option<DbThreadMetadata>,
 297    _cancel_task: Option<Task<()>>,
 298    _subscriptions: [Subscription; 5],
 299    show_codex_windows_warning: bool,
 300}
 301
 302enum ThreadState {
 303    Loading(Entity<LoadingView>),
 304    Ready {
 305        thread: Entity<AcpThread>,
 306        title_editor: Option<Entity<Editor>>,
 307        mode_selector: Option<Entity<ModeSelector>>,
 308        _subscriptions: Vec<Subscription>,
 309    },
 310    LoadError(LoadError),
 311    Unauthenticated {
 312        connection: Rc<dyn AgentConnection>,
 313        description: Option<Entity<Markdown>>,
 314        configuration_view: Option<AnyView>,
 315        pending_auth_method: Option<acp::AuthMethodId>,
 316        _subscription: Option<Subscription>,
 317    },
 318}
 319
 320struct LoadingView {
 321    title: SharedString,
 322    _load_task: Task<()>,
 323    _update_title_task: Task<anyhow::Result<()>>,
 324}
 325
 326impl AcpThreadView {
 327    pub fn new(
 328        agent: Rc<dyn AgentServer>,
 329        resume_thread: Option<DbThreadMetadata>,
 330        summarize_thread: Option<DbThreadMetadata>,
 331        workspace: WeakEntity<Workspace>,
 332        project: Entity<Project>,
 333        history_store: Entity<HistoryStore>,
 334        prompt_store: Option<Entity<PromptStore>>,
 335        window: &mut Window,
 336        cx: &mut Context<Self>,
 337    ) -> Self {
 338        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 339        let available_commands = Rc::new(RefCell::new(vec![]));
 340
 341        let placeholder = placeholder_text(agent.name().as_ref(), false);
 342
 343        let message_editor = cx.new(|cx| {
 344            let mut editor = MessageEditor::new(
 345                workspace.clone(),
 346                project.clone(),
 347                history_store.clone(),
 348                prompt_store.clone(),
 349                prompt_capabilities.clone(),
 350                available_commands.clone(),
 351                agent.name(),
 352                &placeholder,
 353                editor::EditorMode::AutoHeight {
 354                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 355                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 356                },
 357                window,
 358                cx,
 359            );
 360            if let Some(entry) = summarize_thread {
 361                editor.insert_thread_summary(entry, window, cx);
 362            }
 363            editor
 364        });
 365
 366        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 367
 368        let entry_view_state = cx.new(|_| {
 369            EntryViewState::new(
 370                workspace.clone(),
 371                project.clone(),
 372                history_store.clone(),
 373                prompt_store.clone(),
 374                prompt_capabilities.clone(),
 375                available_commands.clone(),
 376                agent.name(),
 377            )
 378        });
 379
 380        let agent_server_store = project.read(cx).agent_server_store().clone();
 381        let subscriptions = [
 382            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 383            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 384            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 385            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 386            cx.subscribe_in(
 387                &agent_server_store,
 388                window,
 389                Self::handle_agent_servers_updated,
 390            ),
 391        ];
 392
 393        let show_codex_windows_warning = crate::ExternalAgent::parse_built_in(agent.as_ref())
 394            == Some(crate::ExternalAgent::Codex);
 395
 396        Self {
 397            agent: agent.clone(),
 398            workspace: workspace.clone(),
 399            project: project.clone(),
 400            entry_view_state,
 401            thread_state: Self::initial_state(
 402                agent.clone(),
 403                resume_thread.clone(),
 404                workspace.clone(),
 405                project.clone(),
 406                window,
 407                cx,
 408            ),
 409            login: None,
 410            message_editor,
 411            model_selector: None,
 412            profile_selector: None,
 413
 414            notifications: Vec::new(),
 415            notification_subscriptions: HashMap::default(),
 416            list_state: list_state,
 417            thread_retry_status: None,
 418            thread_error: None,
 419            thread_error_markdown: None,
 420            thread_feedback: Default::default(),
 421            auth_task: None,
 422            expanded_tool_calls: HashSet::default(),
 423            expanded_thinking_blocks: HashSet::default(),
 424            editing_message: None,
 425            edits_expanded: false,
 426            plan_expanded: false,
 427            prompt_capabilities,
 428            available_commands,
 429            editor_expanded: false,
 430            should_be_following: false,
 431            history_store,
 432            hovered_recent_history_item: None,
 433            is_loading_contents: false,
 434            _subscriptions: subscriptions,
 435            _cancel_task: None,
 436            focus_handle: cx.focus_handle(),
 437            new_server_version_available: None,
 438            resume_thread_metadata: resume_thread,
 439            show_codex_windows_warning,
 440        }
 441    }
 442
 443    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 444        self.thread_state = Self::initial_state(
 445            self.agent.clone(),
 446            self.resume_thread_metadata.clone(),
 447            self.workspace.clone(),
 448            self.project.clone(),
 449            window,
 450            cx,
 451        );
 452        self.available_commands.replace(vec![]);
 453        self.new_server_version_available.take();
 454        cx.notify();
 455    }
 456
 457    fn initial_state(
 458        agent: Rc<dyn AgentServer>,
 459        resume_thread: Option<DbThreadMetadata>,
 460        workspace: WeakEntity<Workspace>,
 461        project: Entity<Project>,
 462        window: &mut Window,
 463        cx: &mut Context<Self>,
 464    ) -> ThreadState {
 465        if project.read(cx).is_via_collab()
 466            && agent.clone().downcast::<NativeAgentServer>().is_none()
 467        {
 468            return ThreadState::LoadError(LoadError::Other(
 469                "External agents are not yet supported in shared projects.".into(),
 470            ));
 471        }
 472        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 473        // Pick the first non-single-file worktree for the root directory if there are any,
 474        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 475        worktrees.sort_by(|l, r| {
 476            l.read(cx)
 477                .is_single_file()
 478                .cmp(&r.read(cx).is_single_file())
 479        });
 480        let root_dir = worktrees
 481            .into_iter()
 482            .filter_map(|worktree| {
 483                if worktree.read(cx).is_single_file() {
 484                    Some(worktree.read(cx).abs_path().parent()?.into())
 485                } else {
 486                    Some(worktree.read(cx).abs_path())
 487                }
 488            })
 489            .next();
 490        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 491        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 492        let delegate = AgentServerDelegate::new(
 493            project.read(cx).agent_server_store().clone(),
 494            project.clone(),
 495            Some(status_tx),
 496            Some(new_version_available_tx),
 497        );
 498
 499        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 500        let load_task = cx.spawn_in(window, async move |this, cx| {
 501            let connection = match connect_task.await {
 502                Ok((connection, login)) => {
 503                    this.update(cx, |this, _| this.login = login).ok();
 504                    connection
 505                }
 506                Err(err) => {
 507                    this.update_in(cx, |this, window, cx| {
 508                        if err.downcast_ref::<LoadError>().is_some() {
 509                            this.handle_load_error(err, window, cx);
 510                        } else {
 511                            this.handle_thread_error(err, cx);
 512                        }
 513                        cx.notify();
 514                    })
 515                    .log_err();
 516                    return;
 517                }
 518            };
 519
 520            let result = if let Some(native_agent) = connection
 521                .clone()
 522                .downcast::<agent::NativeAgentConnection>()
 523                && let Some(resume) = resume_thread.clone()
 524            {
 525                cx.update(|_, cx| {
 526                    native_agent
 527                        .0
 528                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 529                })
 530                .log_err()
 531            } else {
 532                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 533                cx.update(|_, cx| {
 534                    connection
 535                        .clone()
 536                        .new_thread(project.clone(), &root_dir, cx)
 537                })
 538                .log_err()
 539            };
 540
 541            let Some(result) = result else {
 542                return;
 543            };
 544
 545            let result = match result.await {
 546                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 547                    Ok(err) => {
 548                        cx.update(|window, cx| {
 549                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 550                        })
 551                        .log_err();
 552                        return;
 553                    }
 554                    Err(err) => Err(err),
 555                },
 556                Ok(thread) => Ok(thread),
 557            };
 558
 559            this.update_in(cx, |this, window, cx| {
 560                match result {
 561                    Ok(thread) => {
 562                        let action_log = thread.read(cx).action_log().clone();
 563
 564                        this.prompt_capabilities
 565                            .replace(thread.read(cx).prompt_capabilities());
 566
 567                        let count = thread.read(cx).entries().len();
 568                        this.entry_view_state.update(cx, |view_state, cx| {
 569                            for ix in 0..count {
 570                                view_state.sync_entry(ix, &thread, window, cx);
 571                            }
 572                            this.list_state.splice_focusable(
 573                                0..0,
 574                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 575                            );
 576                        });
 577
 578                        if let Some(resume) = resume_thread {
 579                            this.history_store.update(cx, |history, cx| {
 580                                history.push_recently_opened_entry(
 581                                    HistoryEntryId::AcpThread(resume.id),
 582                                    cx,
 583                                );
 584                            });
 585                        }
 586
 587                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 588
 589                        this.model_selector = thread
 590                            .read(cx)
 591                            .connection()
 592                            .model_selector(thread.read(cx).session_id())
 593                            .map(|selector| {
 594                                cx.new(|cx| {
 595                                    AcpModelSelectorPopover::new(
 596                                        selector,
 597                                        PopoverMenuHandle::default(),
 598                                        this.focus_handle(cx),
 599                                        window,
 600                                        cx,
 601                                    )
 602                                })
 603                            });
 604
 605                        let mode_selector = thread
 606                            .read(cx)
 607                            .connection()
 608                            .session_modes(thread.read(cx).session_id(), cx)
 609                            .map(|session_modes| {
 610                                let fs = this.project.read(cx).fs().clone();
 611                                let focus_handle = this.focus_handle(cx);
 612                                cx.new(|_cx| {
 613                                    ModeSelector::new(
 614                                        session_modes,
 615                                        this.agent.clone(),
 616                                        fs,
 617                                        focus_handle,
 618                                    )
 619                                })
 620                            });
 621
 622                        let mut subscriptions = vec![
 623                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 624                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 625                        ];
 626
 627                        let title_editor =
 628                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 629                                let editor = cx.new(|cx| {
 630                                    let mut editor = Editor::single_line(window, cx);
 631                                    editor.set_text(thread.read(cx).title(), window, cx);
 632                                    editor
 633                                });
 634                                subscriptions.push(cx.subscribe_in(
 635                                    &editor,
 636                                    window,
 637                                    Self::handle_title_editor_event,
 638                                ));
 639                                Some(editor)
 640                            } else {
 641                                None
 642                            };
 643
 644                        this.thread_state = ThreadState::Ready {
 645                            thread,
 646                            title_editor,
 647                            mode_selector,
 648                            _subscriptions: subscriptions,
 649                        };
 650                        this.message_editor.focus_handle(cx).focus(window);
 651
 652                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 653                            cx.new(|cx| {
 654                                ProfileSelector::new(
 655                                    <dyn Fs>::global(cx),
 656                                    Arc::new(thread.clone()),
 657                                    this.focus_handle(cx),
 658                                    cx,
 659                                )
 660                            })
 661                        });
 662
 663                        cx.notify();
 664                    }
 665                    Err(err) => {
 666                        this.handle_load_error(err, window, cx);
 667                    }
 668                };
 669            })
 670            .log_err();
 671        });
 672
 673        cx.spawn(async move |this, cx| {
 674            while let Ok(new_version) = new_version_available_rx.recv().await {
 675                if let Some(new_version) = new_version {
 676                    this.update(cx, |this, cx| {
 677                        this.new_server_version_available = Some(new_version.into());
 678                        cx.notify();
 679                    })
 680                    .log_err();
 681                }
 682            }
 683        })
 684        .detach();
 685
 686        let loading_view = cx.new(|cx| {
 687            let update_title_task = cx.spawn(async move |this, cx| {
 688                loop {
 689                    let status = status_rx.recv().await?;
 690                    this.update(cx, |this: &mut LoadingView, cx| {
 691                        this.title = status;
 692                        cx.notify();
 693                    })?;
 694                }
 695            });
 696
 697            LoadingView {
 698                title: "Loading…".into(),
 699                _load_task: load_task,
 700                _update_title_task: update_title_task,
 701            }
 702        });
 703
 704        ThreadState::Loading(loading_view)
 705    }
 706
 707    fn handle_auth_required(
 708        this: WeakEntity<Self>,
 709        err: AuthRequired,
 710        agent: Rc<dyn AgentServer>,
 711        connection: Rc<dyn AgentConnection>,
 712        window: &mut Window,
 713        cx: &mut App,
 714    ) {
 715        let agent_name = agent.name();
 716        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 717            let registry = LanguageModelRegistry::global(cx);
 718
 719            let sub = window.subscribe(&registry, cx, {
 720                let provider_id = provider_id.clone();
 721                let this = this.clone();
 722                move |_, ev, window, cx| {
 723                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 724                        && &provider_id == updated_provider_id
 725                        && LanguageModelRegistry::global(cx)
 726                            .read(cx)
 727                            .provider(&provider_id)
 728                            .map_or(false, |provider| provider.is_authenticated(cx))
 729                    {
 730                        this.update(cx, |this, cx| {
 731                            this.reset(window, cx);
 732                        })
 733                        .ok();
 734                    }
 735                }
 736            });
 737
 738            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 739                provider.configuration_view(
 740                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 741                    window,
 742                    cx,
 743                )
 744            });
 745
 746            (view, Some(sub))
 747        } else {
 748            (None, None)
 749        };
 750
 751        this.update(cx, |this, cx| {
 752            this.thread_state = ThreadState::Unauthenticated {
 753                pending_auth_method: None,
 754                connection,
 755                configuration_view,
 756                description: err
 757                    .description
 758                    .clone()
 759                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 760                _subscription: subscription,
 761            };
 762            if this.message_editor.focus_handle(cx).is_focused(window) {
 763                this.focus_handle.focus(window)
 764            }
 765            cx.notify();
 766        })
 767        .ok();
 768    }
 769
 770    fn handle_load_error(
 771        &mut self,
 772        err: anyhow::Error,
 773        window: &mut Window,
 774        cx: &mut Context<Self>,
 775    ) {
 776        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 777            self.thread_state = ThreadState::LoadError(load_err.clone());
 778        } else {
 779            self.thread_state =
 780                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 781        }
 782        if self.message_editor.focus_handle(cx).is_focused(window) {
 783            self.focus_handle.focus(window)
 784        }
 785        cx.notify();
 786    }
 787
 788    fn handle_agent_servers_updated(
 789        &mut self,
 790        _agent_server_store: &Entity<project::AgentServerStore>,
 791        _event: &project::AgentServersUpdated,
 792        window: &mut Window,
 793        cx: &mut Context<Self>,
 794    ) {
 795        // If we're in a LoadError state OR have a thread_error set (which can happen
 796        // when agent.connect() fails during loading), retry loading the thread.
 797        // This handles the case where a thread is restored before authentication completes.
 798        let should_retry =
 799            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 800
 801        if should_retry {
 802            self.thread_error = None;
 803            self.thread_error_markdown = None;
 804            self.reset(window, cx);
 805        }
 806    }
 807
 808    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 809        &self.workspace
 810    }
 811
 812    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 813        match &self.thread_state {
 814            ThreadState::Ready { thread, .. } => Some(thread),
 815            ThreadState::Unauthenticated { .. }
 816            | ThreadState::Loading { .. }
 817            | ThreadState::LoadError { .. } => None,
 818        }
 819    }
 820
 821    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 822        match &self.thread_state {
 823            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 824            ThreadState::Unauthenticated { .. }
 825            | ThreadState::Loading { .. }
 826            | ThreadState::LoadError { .. } => None,
 827        }
 828    }
 829
 830    pub fn title(&self, cx: &App) -> SharedString {
 831        match &self.thread_state {
 832            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 833            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 834            ThreadState::LoadError(error) => match error {
 835                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 836                LoadError::FailedToInstall(_) => {
 837                    format!("Failed to Install {}", self.agent.name()).into()
 838                }
 839                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 840                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 841            },
 842        }
 843    }
 844
 845    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 846        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 847            title_editor.clone()
 848        } else {
 849            None
 850        }
 851    }
 852
 853    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 854        self.thread_error.take();
 855        self.thread_retry_status.take();
 856
 857        if let Some(thread) = self.thread() {
 858            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 859        }
 860    }
 861
 862    pub fn expand_message_editor(
 863        &mut self,
 864        _: &ExpandMessageEditor,
 865        _window: &mut Window,
 866        cx: &mut Context<Self>,
 867    ) {
 868        self.set_editor_is_expanded(!self.editor_expanded, cx);
 869        cx.stop_propagation();
 870        cx.notify();
 871    }
 872
 873    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 874        self.editor_expanded = is_expanded;
 875        self.message_editor.update(cx, |editor, cx| {
 876            if is_expanded {
 877                editor.set_mode(
 878                    EditorMode::Full {
 879                        scale_ui_elements_with_buffer_font_size: false,
 880                        show_active_line_background: false,
 881                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 882                    },
 883                    cx,
 884                )
 885            } else {
 886                let agent_settings = AgentSettings::get_global(cx);
 887                editor.set_mode(
 888                    EditorMode::AutoHeight {
 889                        min_lines: agent_settings.message_editor_min_lines,
 890                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 891                    },
 892                    cx,
 893                )
 894            }
 895        });
 896        cx.notify();
 897    }
 898
 899    pub fn handle_title_editor_event(
 900        &mut self,
 901        title_editor: &Entity<Editor>,
 902        event: &EditorEvent,
 903        window: &mut Window,
 904        cx: &mut Context<Self>,
 905    ) {
 906        let Some(thread) = self.thread() else { return };
 907
 908        match event {
 909            EditorEvent::BufferEdited => {
 910                let new_title = title_editor.read(cx).text(cx);
 911                thread.update(cx, |thread, cx| {
 912                    thread
 913                        .set_title(new_title.into(), cx)
 914                        .detach_and_log_err(cx);
 915                })
 916            }
 917            EditorEvent::Blurred => {
 918                if title_editor.read(cx).text(cx).is_empty() {
 919                    title_editor.update(cx, |editor, cx| {
 920                        editor.set_text("New Thread", window, cx);
 921                    });
 922                }
 923            }
 924            _ => {}
 925        }
 926    }
 927
 928    pub fn handle_message_editor_event(
 929        &mut self,
 930        _: &Entity<MessageEditor>,
 931        event: &MessageEditorEvent,
 932        window: &mut Window,
 933        cx: &mut Context<Self>,
 934    ) {
 935        match event {
 936            MessageEditorEvent::Send => self.send(window, cx),
 937            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 938            MessageEditorEvent::Focus => {
 939                self.cancel_editing(&Default::default(), window, cx);
 940            }
 941            MessageEditorEvent::LostFocus => {}
 942        }
 943    }
 944
 945    pub fn handle_entry_view_event(
 946        &mut self,
 947        _: &Entity<EntryViewState>,
 948        event: &EntryViewEvent,
 949        window: &mut Window,
 950        cx: &mut Context<Self>,
 951    ) {
 952        match &event.view_event {
 953            ViewEvent::NewDiff(tool_call_id) => {
 954                if AgentSettings::get_global(cx).expand_edit_card {
 955                    self.expanded_tool_calls.insert(tool_call_id.clone());
 956                }
 957            }
 958            ViewEvent::NewTerminal(tool_call_id) => {
 959                if AgentSettings::get_global(cx).expand_terminal_card {
 960                    self.expanded_tool_calls.insert(tool_call_id.clone());
 961                }
 962            }
 963            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 964                self.expanded_tool_calls.remove(tool_call_id);
 965            }
 966            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 967                if let Some(thread) = self.thread()
 968                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 969                        thread.read(cx).entries().get(event.entry_index)
 970                    && user_message.id.is_some()
 971                {
 972                    self.editing_message = Some(event.entry_index);
 973                    cx.notify();
 974                }
 975            }
 976            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 977                if let Some(thread) = self.thread()
 978                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 979                        thread.read(cx).entries().get(event.entry_index)
 980                    && user_message.id.is_some()
 981                {
 982                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 983                        self.editing_message = None;
 984                        cx.notify();
 985                    }
 986                }
 987            }
 988            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 989                self.regenerate(event.entry_index, editor.clone(), window, cx);
 990            }
 991            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 992                self.cancel_editing(&Default::default(), window, cx);
 993            }
 994        }
 995    }
 996
 997    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 998        self.thread_error.take();
 999        let Some(thread) = self.thread() else {
1000            return;
1001        };
1002        if !thread.read(cx).can_resume(cx) {
1003            return;
1004        }
1005
1006        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1007        cx.spawn(async move |this, cx| {
1008            let result = task.await;
1009
1010            this.update(cx, |this, cx| {
1011                if let Err(err) = result {
1012                    this.handle_thread_error(err, cx);
1013                }
1014            })
1015        })
1016        .detach();
1017    }
1018
1019    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1020        let Some(thread) = self.thread() else { return };
1021
1022        if self.is_loading_contents {
1023            return;
1024        }
1025
1026        self.history_store.update(cx, |history, cx| {
1027            history.push_recently_opened_entry(
1028                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1029                cx,
1030            );
1031        });
1032
1033        if thread.read(cx).status() != ThreadStatus::Idle {
1034            self.stop_current_and_send_new_message(window, cx);
1035            return;
1036        }
1037
1038        let text = self.message_editor.read(cx).text(cx);
1039        let text = text.trim();
1040        if text == "/login" || text == "/logout" {
1041            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1042                return;
1043            };
1044
1045            let connection = thread.read(cx).connection().clone();
1046            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1047            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1048            let logout_supported = text == "/logout"
1049                && self
1050                    .available_commands
1051                    .borrow()
1052                    .iter()
1053                    .any(|command| command.name == "logout");
1054            if can_login && !logout_supported {
1055                self.message_editor
1056                    .update(cx, |editor, cx| editor.clear(window, cx));
1057
1058                let this = cx.weak_entity();
1059                let agent = self.agent.clone();
1060                window.defer(cx, |window, cx| {
1061                    Self::handle_auth_required(
1062                        this,
1063                        AuthRequired {
1064                            description: None,
1065                            provider_id: None,
1066                        },
1067                        agent,
1068                        connection,
1069                        window,
1070                        cx,
1071                    );
1072                });
1073                cx.notify();
1074                return;
1075            }
1076        }
1077
1078        self.send_impl(self.message_editor.clone(), window, cx)
1079    }
1080
1081    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1082        let Some(thread) = self.thread().cloned() else {
1083            return;
1084        };
1085
1086        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1087
1088        cx.spawn_in(window, async move |this, cx| {
1089            cancelled.await;
1090
1091            this.update_in(cx, |this, window, cx| {
1092                this.send_impl(this.message_editor.clone(), window, cx);
1093            })
1094            .ok();
1095        })
1096        .detach();
1097    }
1098
1099    fn send_impl(
1100        &mut self,
1101        message_editor: Entity<MessageEditor>,
1102        window: &mut Window,
1103        cx: &mut Context<Self>,
1104    ) {
1105        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1106            // Include full contents when using minimal profile
1107            let thread = thread.read(cx);
1108            AgentSettings::get_global(cx)
1109                .profiles
1110                .get(thread.profile())
1111                .is_some_and(|profile| profile.tools.is_empty())
1112        });
1113
1114        let contents = message_editor.update(cx, |message_editor, cx| {
1115            message_editor.contents(full_mention_content, cx)
1116        });
1117
1118        self.thread_error.take();
1119        self.editing_message.take();
1120        self.thread_feedback.clear();
1121
1122        let Some(thread) = self.thread() else {
1123            return;
1124        };
1125        let agent_telemetry_id = self.agent.telemetry_id();
1126        let session_id = thread.read(cx).session_id().clone();
1127        let thread = thread.downgrade();
1128        if self.should_be_following {
1129            self.workspace
1130                .update(cx, |workspace, cx| {
1131                    workspace.follow(CollaboratorId::Agent, window, cx);
1132                })
1133                .ok();
1134        }
1135
1136        self.is_loading_contents = true;
1137        let model_id = self.current_model_id(cx);
1138        let guard = cx.new(|_| ());
1139        cx.observe_release(&guard, |this, _guard, cx| {
1140            this.is_loading_contents = false;
1141            cx.notify();
1142        })
1143        .detach();
1144
1145        let task = cx.spawn_in(window, async move |this, cx| {
1146            let (contents, tracked_buffers) = contents.await?;
1147
1148            if contents.is_empty() {
1149                return Ok(());
1150            }
1151
1152            this.update_in(cx, |this, window, cx| {
1153                this.set_editor_is_expanded(false, cx);
1154                this.scroll_to_bottom(cx);
1155                this.message_editor.update(cx, |message_editor, cx| {
1156                    message_editor.clear(window, cx);
1157                });
1158            })?;
1159            let turn_start_time = Instant::now();
1160            let send = thread.update(cx, |thread, cx| {
1161                thread.action_log().update(cx, |action_log, cx| {
1162                    for buffer in tracked_buffers {
1163                        action_log.buffer_read(buffer, cx)
1164                    }
1165                });
1166                drop(guard);
1167
1168                telemetry::event!(
1169                    "Agent Message Sent",
1170                    agent = agent_telemetry_id,
1171                    session = session_id,
1172                    model = model_id
1173                );
1174
1175                thread.send(contents, cx)
1176            })?;
1177            let res = send.await;
1178            let turn_time_ms = turn_start_time.elapsed().as_millis();
1179            let status = if res.is_ok() { "success" } else { "failure" };
1180            telemetry::event!(
1181                "Agent Turn Completed",
1182                agent = agent_telemetry_id,
1183                session = session_id,
1184                model = model_id,
1185                status,
1186                turn_time_ms,
1187            );
1188            res
1189        });
1190
1191        cx.spawn(async move |this, cx| {
1192            if let Err(err) = task.await {
1193                this.update(cx, |this, cx| {
1194                    this.handle_thread_error(err, cx);
1195                })
1196                .ok();
1197            } else {
1198                this.update(cx, |this, cx| {
1199                    this.should_be_following = this
1200                        .workspace
1201                        .update(cx, |workspace, _| {
1202                            workspace.is_being_followed(CollaboratorId::Agent)
1203                        })
1204                        .unwrap_or_default();
1205                })
1206                .ok();
1207            }
1208        })
1209        .detach();
1210    }
1211
1212    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1213        let Some(thread) = self.thread().cloned() else {
1214            return;
1215        };
1216
1217        if let Some(index) = self.editing_message.take()
1218            && let Some(editor) = self
1219                .entry_view_state
1220                .read(cx)
1221                .entry(index)
1222                .and_then(|e| e.message_editor())
1223                .cloned()
1224        {
1225            editor.update(cx, |editor, cx| {
1226                if let Some(user_message) = thread
1227                    .read(cx)
1228                    .entries()
1229                    .get(index)
1230                    .and_then(|e| e.user_message())
1231                {
1232                    editor.set_message(user_message.chunks.clone(), window, cx);
1233                }
1234            })
1235        };
1236        self.focus_handle(cx).focus(window);
1237        cx.notify();
1238    }
1239
1240    fn regenerate(
1241        &mut self,
1242        entry_ix: usize,
1243        message_editor: Entity<MessageEditor>,
1244        window: &mut Window,
1245        cx: &mut Context<Self>,
1246    ) {
1247        let Some(thread) = self.thread().cloned() else {
1248            return;
1249        };
1250        if self.is_loading_contents {
1251            return;
1252        }
1253
1254        let Some(user_message_id) = thread.update(cx, |thread, _| {
1255            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1256        }) else {
1257            return;
1258        };
1259
1260        cx.spawn_in(window, async move |this, cx| {
1261            thread
1262                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1263                .await?;
1264            this.update_in(cx, |this, window, cx| {
1265                this.send_impl(message_editor, window, cx);
1266                this.focus_handle(cx).focus(window);
1267            })?;
1268            anyhow::Ok(())
1269        })
1270        .detach();
1271    }
1272
1273    fn open_edited_buffer(
1274        &mut self,
1275        buffer: &Entity<Buffer>,
1276        window: &mut Window,
1277        cx: &mut Context<Self>,
1278    ) {
1279        let Some(thread) = self.thread() else {
1280            return;
1281        };
1282
1283        let Some(diff) =
1284            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1285        else {
1286            return;
1287        };
1288
1289        diff.update(cx, |diff, cx| {
1290            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1291        })
1292    }
1293
1294    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1295        let Some(thread) = self.as_native_thread(cx) else {
1296            return;
1297        };
1298        let project_context = thread.read(cx).project_context().read(cx);
1299
1300        let project_entry_ids = project_context
1301            .worktrees
1302            .iter()
1303            .flat_map(|worktree| worktree.rules_file.as_ref())
1304            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1305            .collect::<Vec<_>>();
1306
1307        self.workspace
1308            .update(cx, move |workspace, cx| {
1309                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1310                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1311                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1312                let project = workspace.project().read(cx);
1313                let project_paths = project_entry_ids
1314                    .into_iter()
1315                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1316                    .collect::<Vec<_>>();
1317                for project_path in project_paths {
1318                    workspace
1319                        .open_path(project_path, None, true, window, cx)
1320                        .detach_and_log_err(cx);
1321                }
1322            })
1323            .ok();
1324    }
1325
1326    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1327        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1328        cx.notify();
1329    }
1330
1331    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1332        self.thread_error = None;
1333        self.thread_error_markdown = None;
1334        cx.notify();
1335    }
1336
1337    fn handle_thread_event(
1338        &mut self,
1339        thread: &Entity<AcpThread>,
1340        event: &AcpThreadEvent,
1341        window: &mut Window,
1342        cx: &mut Context<Self>,
1343    ) {
1344        match event {
1345            AcpThreadEvent::NewEntry => {
1346                let len = thread.read(cx).entries().len();
1347                let index = len - 1;
1348                self.entry_view_state.update(cx, |view_state, cx| {
1349                    view_state.sync_entry(index, thread, window, cx);
1350                    self.list_state.splice_focusable(
1351                        index..index,
1352                        [view_state
1353                            .entry(index)
1354                            .and_then(|entry| entry.focus_handle(cx))],
1355                    );
1356                });
1357            }
1358            AcpThreadEvent::EntryUpdated(index) => {
1359                self.entry_view_state.update(cx, |view_state, cx| {
1360                    view_state.sync_entry(*index, thread, window, cx)
1361                });
1362            }
1363            AcpThreadEvent::EntriesRemoved(range) => {
1364                self.entry_view_state
1365                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1366                self.list_state.splice(range.clone(), 0);
1367            }
1368            AcpThreadEvent::ToolAuthorizationRequired => {
1369                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1370            }
1371            AcpThreadEvent::Retry(retry) => {
1372                self.thread_retry_status = Some(retry.clone());
1373            }
1374            AcpThreadEvent::Stopped => {
1375                self.thread_retry_status.take();
1376                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1377                self.notify_with_sound(
1378                    if used_tools {
1379                        "Finished running tools"
1380                    } else {
1381                        "New message"
1382                    },
1383                    IconName::ZedAssistant,
1384                    window,
1385                    cx,
1386                );
1387            }
1388            AcpThreadEvent::Refusal => {
1389                self.thread_retry_status.take();
1390                self.thread_error = Some(ThreadError::Refusal);
1391                let model_or_agent_name = self.current_model_name(cx);
1392                let notification_message =
1393                    format!("{} refused to respond to this request", model_or_agent_name);
1394                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1395            }
1396            AcpThreadEvent::Error => {
1397                self.thread_retry_status.take();
1398                self.notify_with_sound(
1399                    "Agent stopped due to an error",
1400                    IconName::Warning,
1401                    window,
1402                    cx,
1403                );
1404            }
1405            AcpThreadEvent::LoadError(error) => {
1406                self.thread_retry_status.take();
1407                self.thread_state = ThreadState::LoadError(error.clone());
1408                if self.message_editor.focus_handle(cx).is_focused(window) {
1409                    self.focus_handle.focus(window)
1410                }
1411            }
1412            AcpThreadEvent::TitleUpdated => {
1413                let title = thread.read(cx).title();
1414                if let Some(title_editor) = self.title_editor() {
1415                    title_editor.update(cx, |editor, cx| {
1416                        if editor.text(cx) != title {
1417                            editor.set_text(title, window, cx);
1418                        }
1419                    });
1420                }
1421            }
1422            AcpThreadEvent::PromptCapabilitiesUpdated => {
1423                self.prompt_capabilities
1424                    .replace(thread.read(cx).prompt_capabilities());
1425            }
1426            AcpThreadEvent::TokenUsageUpdated => {}
1427            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1428                let mut available_commands = available_commands.clone();
1429
1430                if thread
1431                    .read(cx)
1432                    .connection()
1433                    .auth_methods()
1434                    .iter()
1435                    .any(|method| method.id.0.as_ref() == "claude-login")
1436                {
1437                    available_commands.push(acp::AvailableCommand {
1438                        name: "login".to_owned(),
1439                        description: "Authenticate".to_owned(),
1440                        input: None,
1441                        meta: None,
1442                    });
1443                    available_commands.push(acp::AvailableCommand {
1444                        name: "logout".to_owned(),
1445                        description: "Authenticate".to_owned(),
1446                        input: None,
1447                        meta: None,
1448                    });
1449                }
1450
1451                let has_commands = !available_commands.is_empty();
1452                self.available_commands.replace(available_commands);
1453
1454                let new_placeholder = placeholder_text(self.agent.name().as_ref(), has_commands);
1455
1456                self.message_editor.update(cx, |editor, cx| {
1457                    editor.set_placeholder_text(&new_placeholder, window, cx);
1458                });
1459            }
1460            AcpThreadEvent::ModeUpdated(_mode) => {
1461                // The connection keeps track of the mode
1462                cx.notify();
1463            }
1464        }
1465        cx.notify();
1466    }
1467
1468    fn authenticate(
1469        &mut self,
1470        method: acp::AuthMethodId,
1471        window: &mut Window,
1472        cx: &mut Context<Self>,
1473    ) {
1474        let ThreadState::Unauthenticated {
1475            connection,
1476            pending_auth_method,
1477            configuration_view,
1478            ..
1479        } = &mut self.thread_state
1480        else {
1481            return;
1482        };
1483
1484        // Check for the experimental "terminal-auth" _meta field
1485        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1486
1487        if let Some(auth_method) = auth_method {
1488            if let Some(meta) = &auth_method.meta {
1489                if let Some(terminal_auth) = meta.get("terminal-auth") {
1490                    // Extract terminal auth details from meta
1491                    if let (Some(command), Some(label)) = (
1492                        terminal_auth.get("command").and_then(|v| v.as_str()),
1493                        terminal_auth.get("label").and_then(|v| v.as_str()),
1494                    ) {
1495                        let args = terminal_auth
1496                            .get("args")
1497                            .and_then(|v| v.as_array())
1498                            .map(|arr| {
1499                                arr.iter()
1500                                    .filter_map(|v| v.as_str().map(String::from))
1501                                    .collect()
1502                            })
1503                            .unwrap_or_default();
1504
1505                        let env = terminal_auth
1506                            .get("env")
1507                            .and_then(|v| v.as_object())
1508                            .map(|obj| {
1509                                obj.iter()
1510                                    .filter_map(|(k, v)| {
1511                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1512                                    })
1513                                    .collect::<HashMap<String, String>>()
1514                            })
1515                            .unwrap_or_default();
1516
1517                        // Run SpawnInTerminal in the same dir as the ACP server
1518                        let cwd = connection
1519                            .clone()
1520                            .downcast::<agent_servers::AcpConnection>()
1521                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
1522
1523                        // Build SpawnInTerminal from _meta
1524                        let login = task::SpawnInTerminal {
1525                            id: task::TaskId(format!("external-agent-{}-login", label)),
1526                            full_label: label.to_string(),
1527                            label: label.to_string(),
1528                            command: Some(command.to_string()),
1529                            args,
1530                            command_label: label.to_string(),
1531                            cwd,
1532                            env,
1533                            use_new_terminal: true,
1534                            allow_concurrent_runs: true,
1535                            hide: task::HideStrategy::Always,
1536                            ..Default::default()
1537                        };
1538
1539                        self.thread_error.take();
1540                        configuration_view.take();
1541                        pending_auth_method.replace(method.clone());
1542
1543                        if let Some(workspace) = self.workspace.upgrade() {
1544                            let project = self.project.clone();
1545                            let authenticate = Self::spawn_external_agent_login(
1546                                login, workspace, project, false, true, window, cx,
1547                            );
1548                            cx.notify();
1549                            self.auth_task = Some(cx.spawn_in(window, {
1550                                let agent = self.agent.clone();
1551                                async move |this, cx| {
1552                                    let result = authenticate.await;
1553
1554                                    match &result {
1555                                        Ok(_) => telemetry::event!(
1556                                            "Authenticate Agent Succeeded",
1557                                            agent = agent.telemetry_id()
1558                                        ),
1559                                        Err(_) => {
1560                                            telemetry::event!(
1561                                                "Authenticate Agent Failed",
1562                                                agent = agent.telemetry_id(),
1563                                            )
1564                                        }
1565                                    }
1566
1567                                    this.update_in(cx, |this, window, cx| {
1568                                        if let Err(err) = result {
1569                                            if let ThreadState::Unauthenticated {
1570                                                pending_auth_method,
1571                                                ..
1572                                            } = &mut this.thread_state
1573                                            {
1574                                                pending_auth_method.take();
1575                                            }
1576                                            this.handle_thread_error(err, cx);
1577                                        } else {
1578                                            this.reset(window, cx);
1579                                        }
1580                                        this.auth_task.take()
1581                                    })
1582                                    .ok();
1583                                }
1584                            }));
1585                        }
1586                        return;
1587                    }
1588                }
1589            }
1590        }
1591
1592        if method.0.as_ref() == "gemini-api-key" {
1593            let registry = LanguageModelRegistry::global(cx);
1594            let provider = registry
1595                .read(cx)
1596                .provider(&language_model::GOOGLE_PROVIDER_ID)
1597                .unwrap();
1598            if !provider.is_authenticated(cx) {
1599                let this = cx.weak_entity();
1600                let agent = self.agent.clone();
1601                let connection = connection.clone();
1602                window.defer(cx, |window, cx| {
1603                    Self::handle_auth_required(
1604                        this,
1605                        AuthRequired {
1606                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1607                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1608                        },
1609                        agent,
1610                        connection,
1611                        window,
1612                        cx,
1613                    );
1614                });
1615                return;
1616            }
1617        } else if method.0.as_ref() == "anthropic-api-key" {
1618            let registry = LanguageModelRegistry::global(cx);
1619            let provider = registry
1620                .read(cx)
1621                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1622                .unwrap();
1623            let this = cx.weak_entity();
1624            let agent = self.agent.clone();
1625            let connection = connection.clone();
1626            window.defer(cx, move |window, cx| {
1627                if !provider.is_authenticated(cx) {
1628                    Self::handle_auth_required(
1629                        this,
1630                        AuthRequired {
1631                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1632                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1633                        },
1634                        agent,
1635                        connection,
1636                        window,
1637                        cx,
1638                    );
1639                } else {
1640                    this.update(cx, |this, cx| {
1641                        this.thread_state = Self::initial_state(
1642                            agent,
1643                            None,
1644                            this.workspace.clone(),
1645                            this.project.clone(),
1646                            window,
1647                            cx,
1648                        )
1649                    })
1650                    .ok();
1651                }
1652            });
1653            return;
1654        } else if method.0.as_ref() == "vertex-ai"
1655            && std::env::var("GOOGLE_API_KEY").is_err()
1656            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1657                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1658        {
1659            let this = cx.weak_entity();
1660            let agent = self.agent.clone();
1661            let connection = connection.clone();
1662
1663            window.defer(cx, |window, cx| {
1664                    Self::handle_auth_required(
1665                        this,
1666                        AuthRequired {
1667                            description: Some(
1668                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1669                                    .to_owned(),
1670                            ),
1671                            provider_id: None,
1672                        },
1673                        agent,
1674                        connection,
1675                        window,
1676                        cx,
1677                    )
1678                });
1679            return;
1680        }
1681
1682        self.thread_error.take();
1683        configuration_view.take();
1684        pending_auth_method.replace(method.clone());
1685        let authenticate = if (method.0.as_ref() == "claude-login"
1686            || method.0.as_ref() == "spawn-gemini-cli")
1687            && let Some(login) = self.login.clone()
1688        {
1689            if let Some(workspace) = self.workspace.upgrade() {
1690                let project = self.project.clone();
1691                Self::spawn_external_agent_login(
1692                    login, workspace, project, false, false, window, cx,
1693                )
1694            } else {
1695                Task::ready(Ok(()))
1696            }
1697        } else {
1698            connection.authenticate(method, cx)
1699        };
1700        cx.notify();
1701        self.auth_task =
1702            Some(cx.spawn_in(window, {
1703                let agent = self.agent.clone();
1704                async move |this, cx| {
1705                    let result = authenticate.await;
1706
1707                    match &result {
1708                        Ok(_) => telemetry::event!(
1709                            "Authenticate Agent Succeeded",
1710                            agent = agent.telemetry_id()
1711                        ),
1712                        Err(_) => {
1713                            telemetry::event!(
1714                                "Authenticate Agent Failed",
1715                                agent = agent.telemetry_id(),
1716                            )
1717                        }
1718                    }
1719
1720                    this.update_in(cx, |this, window, cx| {
1721                        if let Err(err) = result {
1722                            if let ThreadState::Unauthenticated {
1723                                pending_auth_method,
1724                                ..
1725                            } = &mut this.thread_state
1726                            {
1727                                pending_auth_method.take();
1728                            }
1729                            this.handle_thread_error(err, cx);
1730                        } else {
1731                            this.reset(window, cx);
1732                        }
1733                        this.auth_task.take()
1734                    })
1735                    .ok();
1736                }
1737            }));
1738    }
1739
1740    fn spawn_external_agent_login(
1741        login: task::SpawnInTerminal,
1742        workspace: Entity<Workspace>,
1743        project: Entity<Project>,
1744        previous_attempt: bool,
1745        check_exit_code: bool,
1746        window: &mut Window,
1747        cx: &mut App,
1748    ) -> Task<Result<()>> {
1749        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1750            return Task::ready(Ok(()));
1751        };
1752
1753        window.spawn(cx, async move |cx| {
1754            let mut task = login.clone();
1755            if let Some(cmd) = &task.command {
1756                // Have "node" command use Zed's managed Node runtime by default
1757                if cmd == "node" {
1758                    let resolved_node_runtime = project
1759                        .update(cx, |project, cx| {
1760                            let agent_server_store = project.agent_server_store().clone();
1761                            agent_server_store.update(cx, |store, cx| {
1762                                store.node_runtime().map(|node_runtime| {
1763                                    cx.background_spawn(async move {
1764                                        node_runtime.binary_path().await
1765                                    })
1766                                })
1767                            })
1768                        });
1769
1770                    if let Ok(Some(resolve_task)) = resolved_node_runtime {
1771                        if let Ok(node_path) = resolve_task.await {
1772                            task.command = Some(node_path.to_string_lossy().to_string());
1773                        }
1774                    }
1775                }
1776            }
1777            task.shell = task::Shell::WithArguments {
1778                program: task.command.take().expect("login command should be set"),
1779                args: std::mem::take(&mut task.args),
1780                title_override: None
1781            };
1782            task.full_label = task.label.clone();
1783            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1784            task.command_label = task.label.clone();
1785            task.use_new_terminal = true;
1786            task.allow_concurrent_runs = true;
1787            task.hide = task::HideStrategy::Always;
1788
1789            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1790                terminal_panel.spawn_task(&task, window, cx)
1791            })?;
1792
1793            let terminal = terminal.await?;
1794
1795            if check_exit_code {
1796                // For extension-based auth, wait for the process to exit and check exit code
1797                let exit_status = terminal
1798                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1799                    .await;
1800
1801                match exit_status {
1802                    Some(status) if status.success() => {
1803                        Ok(())
1804                    }
1805                    Some(status) => {
1806                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
1807                    }
1808                    None => {
1809                        Err(anyhow!("Login command terminated without exit status"))
1810                    }
1811                }
1812            } else {
1813                // For hardcoded agents (claude-login, gemini-cli): look for specific output
1814                let mut exit_status = terminal
1815                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1816                    .fuse();
1817
1818                let logged_in = cx
1819                    .spawn({
1820                        let terminal = terminal.clone();
1821                        async move |cx| {
1822                            loop {
1823                                cx.background_executor().timer(Duration::from_secs(1)).await;
1824                                let content =
1825                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1826                                if content.contains("Login successful")
1827                                    || content.contains("Type your message")
1828                                {
1829                                    return anyhow::Ok(());
1830                                }
1831                            }
1832                        }
1833                    })
1834                    .fuse();
1835                futures::pin_mut!(logged_in);
1836                futures::select_biased! {
1837                    result = logged_in => {
1838                        if let Err(e) = result {
1839                            log::error!("{e}");
1840                            return Err(anyhow!("exited before logging in"));
1841                        }
1842                    }
1843                    _ = exit_status => {
1844                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1845                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
1846                        }
1847                        return Err(anyhow!("exited before logging in"));
1848                    }
1849                }
1850                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1851                Ok(())
1852            }
1853        })
1854    }
1855
1856    fn authorize_tool_call(
1857        &mut self,
1858        tool_call_id: acp::ToolCallId,
1859        option_id: acp::PermissionOptionId,
1860        option_kind: acp::PermissionOptionKind,
1861        window: &mut Window,
1862        cx: &mut Context<Self>,
1863    ) {
1864        let Some(thread) = self.thread() else {
1865            return;
1866        };
1867
1868        telemetry::event!(
1869            "Agent Tool Call Authorized",
1870            agent = self.agent.telemetry_id(),
1871            session = thread.read(cx).session_id(),
1872            option = option_kind
1873        );
1874
1875        thread.update(cx, |thread, cx| {
1876            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1877        });
1878        if self.should_be_following {
1879            self.workspace
1880                .update(cx, |workspace, cx| {
1881                    workspace.follow(CollaboratorId::Agent, window, cx);
1882                })
1883                .ok();
1884        }
1885        cx.notify();
1886    }
1887
1888    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1889        let Some(thread) = self.thread() else {
1890            return;
1891        };
1892
1893        thread
1894            .update(cx, |thread, cx| {
1895                thread.restore_checkpoint(message_id.clone(), cx)
1896            })
1897            .detach_and_log_err(cx);
1898    }
1899
1900    fn render_entry(
1901        &self,
1902        entry_ix: usize,
1903        total_entries: usize,
1904        entry: &AgentThreadEntry,
1905        window: &mut Window,
1906        cx: &Context<Self>,
1907    ) -> AnyElement {
1908        let primary = match &entry {
1909            AgentThreadEntry::UserMessage(message) => {
1910                let Some(editor) = self
1911                    .entry_view_state
1912                    .read(cx)
1913                    .entry(entry_ix)
1914                    .and_then(|entry| entry.message_editor())
1915                    .cloned()
1916                else {
1917                    return Empty.into_any_element();
1918                };
1919
1920                let editing = self.editing_message == Some(entry_ix);
1921                let editor_focus = editor.focus_handle(cx).is_focused(window);
1922                let focus_border = cx.theme().colors().border_focused;
1923
1924                let rules_item = if entry_ix == 0 {
1925                    self.render_rules_item(cx)
1926                } else {
1927                    None
1928                };
1929
1930                let has_checkpoint_button = message
1931                    .checkpoint
1932                    .as_ref()
1933                    .is_some_and(|checkpoint| checkpoint.show);
1934
1935                let agent_name = self.agent.name();
1936
1937                v_flex()
1938                    .id(("user_message", entry_ix))
1939                    .map(|this| {
1940                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1941                            this.pt(rems_from_px(18.))
1942                        } else if rules_item.is_some() {
1943                            this.pt_3()
1944                        } else {
1945                            this.pt_2()
1946                        }
1947                    })
1948                    .pb_3()
1949                    .px_2()
1950                    .gap_1p5()
1951                    .w_full()
1952                    .children(rules_item)
1953                    .children(message.id.clone().and_then(|message_id| {
1954                        message.checkpoint.as_ref()?.show.then(|| {
1955                            h_flex()
1956                                .px_3()
1957                                .gap_2()
1958                                .child(Divider::horizontal())
1959                                .child(
1960                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1961                                        .icon(IconName::Undo)
1962                                        .icon_size(IconSize::XSmall)
1963                                        .icon_position(IconPosition::Start)
1964                                        .label_size(LabelSize::XSmall)
1965                                        .icon_color(Color::Muted)
1966                                        .color(Color::Muted)
1967                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1968                                        .on_click(cx.listener(move |this, _, _window, cx| {
1969                                            this.restore_checkpoint(&message_id, cx);
1970                                        }))
1971                                )
1972                                .child(Divider::horizontal())
1973                        })
1974                    }))
1975                    .child(
1976                        div()
1977                            .relative()
1978                            .child(
1979                                div()
1980                                    .py_3()
1981                                    .px_2()
1982                                    .rounded_md()
1983                                    .shadow_md()
1984                                    .bg(cx.theme().colors().editor_background)
1985                                    .border_1()
1986                                    .when(editing && !editor_focus, |this| this.border_dashed())
1987                                    .border_color(cx.theme().colors().border)
1988                                    .map(|this|{
1989                                        if editing && editor_focus {
1990                                            this.border_color(focus_border)
1991                                        } else if message.id.is_some() {
1992                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1993                                        } else {
1994                                            this
1995                                        }
1996                                    })
1997                                    .text_xs()
1998                                    .child(editor.clone().into_any_element()),
1999                            )
2000                            .when(editor_focus, |this| {
2001                                let base_container = h_flex()
2002                                    .absolute()
2003                                    .top_neg_3p5()
2004                                    .right_3()
2005                                    .gap_1()
2006                                    .rounded_sm()
2007                                    .border_1()
2008                                    .border_color(cx.theme().colors().border)
2009                                    .bg(cx.theme().colors().editor_background)
2010                                    .overflow_hidden();
2011
2012                                if message.id.is_some() {
2013                                    this.child(
2014                                        base_container
2015                                            .child(
2016                                                IconButton::new("cancel", IconName::Close)
2017                                                    .disabled(self.is_loading_contents)
2018                                                    .icon_color(Color::Error)
2019                                                    .icon_size(IconSize::XSmall)
2020                                                    .on_click(cx.listener(Self::cancel_editing))
2021                                            )
2022                                            .child(
2023                                                if self.is_loading_contents {
2024                                                    div()
2025                                                        .id("loading-edited-message-content")
2026                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2027                                                        .child(loading_contents_spinner(IconSize::XSmall))
2028                                                        .into_any_element()
2029                                                } else {
2030                                                    IconButton::new("regenerate", IconName::Return)
2031                                                        .icon_color(Color::Muted)
2032                                                        .icon_size(IconSize::XSmall)
2033                                                        .tooltip(Tooltip::text(
2034                                                            "Editing will restart the thread from this point."
2035                                                        ))
2036                                                        .on_click(cx.listener({
2037                                                            let editor = editor.clone();
2038                                                            move |this, _, window, cx| {
2039                                                                this.regenerate(
2040                                                                    entry_ix, editor.clone(), window, cx,
2041                                                                );
2042                                                            }
2043                                                        })).into_any_element()
2044                                                }
2045                                            )
2046                                    )
2047                                } else {
2048                                    this.child(
2049                                        base_container
2050                                            .border_dashed()
2051                                            .child(
2052                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2053                                                    .icon_size(IconSize::Small)
2054                                                    .icon_color(Color::Muted)
2055                                                    .style(ButtonStyle::Transparent)
2056                                                    .tooltip(move |_window, cx| {
2057                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
2058                                                            .into()
2059                                                    })
2060                                            )
2061                                    )
2062                                }
2063                            }),
2064                    )
2065                    .into_any()
2066            }
2067            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
2068                let is_last = entry_ix + 1 == total_entries;
2069
2070                let style = default_markdown_style(false, false, window, cx);
2071                let message_body = v_flex()
2072                    .w_full()
2073                    .gap_3()
2074                    .children(chunks.iter().enumerate().filter_map(
2075                        |(chunk_ix, chunk)| match chunk {
2076                            AssistantMessageChunk::Message { block } => {
2077                                block.markdown().map(|md| {
2078                                    self.render_markdown(md.clone(), style.clone())
2079                                        .into_any_element()
2080                                })
2081                            }
2082                            AssistantMessageChunk::Thought { block } => {
2083                                block.markdown().map(|md| {
2084                                    self.render_thinking_block(
2085                                        entry_ix,
2086                                        chunk_ix,
2087                                        md.clone(),
2088                                        window,
2089                                        cx,
2090                                    )
2091                                    .into_any_element()
2092                                })
2093                            }
2094                        },
2095                    ))
2096                    .into_any();
2097
2098                v_flex()
2099                    .px_5()
2100                    .py_1p5()
2101                    .when(is_last, |this| this.pb_4())
2102                    .w_full()
2103                    .text_ui(cx)
2104                    .child(message_body)
2105                    .into_any()
2106            }
2107            AgentThreadEntry::ToolCall(tool_call) => {
2108                let has_terminals = tool_call.terminals().next().is_some();
2109
2110                div().w_full().map(|this| {
2111                    if has_terminals {
2112                        this.children(tool_call.terminals().map(|terminal| {
2113                            self.render_terminal_tool_call(
2114                                entry_ix, terminal, tool_call, window, cx,
2115                            )
2116                        }))
2117                    } else {
2118                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2119                    }
2120                })
2121            }
2122            .into_any(),
2123        };
2124
2125        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2126            matches!(
2127                tool_call.status,
2128                ToolCallStatus::WaitingForConfirmation { .. }
2129            )
2130        } else {
2131            false
2132        };
2133
2134        let Some(thread) = self.thread() else {
2135            return primary;
2136        };
2137
2138        let primary = if entry_ix == total_entries - 1 {
2139            v_flex()
2140                .w_full()
2141                .child(primary)
2142                .map(|this| {
2143                    if needs_confirmation {
2144                        this.child(self.render_generating(true))
2145                    } else {
2146                        this.child(self.render_thread_controls(&thread, cx))
2147                    }
2148                })
2149                .when_some(
2150                    self.thread_feedback.comments_editor.clone(),
2151                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2152                )
2153                .into_any_element()
2154        } else {
2155            primary
2156        };
2157
2158        if let Some(editing_index) = self.editing_message.as_ref()
2159            && *editing_index < entry_ix
2160        {
2161            let backdrop = div()
2162                .id(("backdrop", entry_ix))
2163                .size_full()
2164                .absolute()
2165                .inset_0()
2166                .bg(cx.theme().colors().panel_background)
2167                .opacity(0.8)
2168                .block_mouse_except_scroll()
2169                .on_click(cx.listener(Self::cancel_editing));
2170
2171            div()
2172                .relative()
2173                .child(primary)
2174                .child(backdrop)
2175                .into_any_element()
2176        } else {
2177            primary
2178        }
2179    }
2180
2181    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2182        cx.theme()
2183            .colors()
2184            .element_background
2185            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2186    }
2187
2188    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2189        cx.theme().colors().border.opacity(0.8)
2190    }
2191
2192    fn tool_name_font_size(&self) -> Rems {
2193        rems_from_px(13.)
2194    }
2195
2196    fn render_thinking_block(
2197        &self,
2198        entry_ix: usize,
2199        chunk_ix: usize,
2200        chunk: Entity<Markdown>,
2201        window: &Window,
2202        cx: &Context<Self>,
2203    ) -> AnyElement {
2204        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2205        let card_header_id = SharedString::from("inner-card-header");
2206
2207        let key = (entry_ix, chunk_ix);
2208
2209        let is_open = self.expanded_thinking_blocks.contains(&key);
2210
2211        let scroll_handle = self
2212            .entry_view_state
2213            .read(cx)
2214            .entry(entry_ix)
2215            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2216
2217        let thinking_content = {
2218            div()
2219                .id(("thinking-content", chunk_ix))
2220                .when_some(scroll_handle, |this, scroll_handle| {
2221                    this.track_scroll(&scroll_handle)
2222                })
2223                .text_ui_sm(cx)
2224                .overflow_hidden()
2225                .child(
2226                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2227                )
2228        };
2229
2230        v_flex()
2231            .gap_1()
2232            .child(
2233                h_flex()
2234                    .id(header_id)
2235                    .group(&card_header_id)
2236                    .relative()
2237                    .w_full()
2238                    .pr_1()
2239                    .justify_between()
2240                    .child(
2241                        h_flex()
2242                            .h(window.line_height() - px(2.))
2243                            .gap_1p5()
2244                            .overflow_hidden()
2245                            .child(
2246                                Icon::new(IconName::ToolThink)
2247                                    .size(IconSize::Small)
2248                                    .color(Color::Muted),
2249                            )
2250                            .child(
2251                                div()
2252                                    .text_size(self.tool_name_font_size())
2253                                    .text_color(cx.theme().colors().text_muted)
2254                                    .child("Thinking"),
2255                            ),
2256                    )
2257                    .child(
2258                        Disclosure::new(("expand", entry_ix), is_open)
2259                            .opened_icon(IconName::ChevronUp)
2260                            .closed_icon(IconName::ChevronDown)
2261                            .visible_on_hover(&card_header_id)
2262                            .on_click(cx.listener({
2263                                move |this, _event, _window, cx| {
2264                                    if is_open {
2265                                        this.expanded_thinking_blocks.remove(&key);
2266                                    } else {
2267                                        this.expanded_thinking_blocks.insert(key);
2268                                    }
2269                                    cx.notify();
2270                                }
2271                            })),
2272                    )
2273                    .on_click(cx.listener({
2274                        move |this, _event, _window, cx| {
2275                            if is_open {
2276                                this.expanded_thinking_blocks.remove(&key);
2277                            } else {
2278                                this.expanded_thinking_blocks.insert(key);
2279                            }
2280                            cx.notify();
2281                        }
2282                    })),
2283            )
2284            .when(is_open, |this| {
2285                this.child(
2286                    div()
2287                        .ml_1p5()
2288                        .pl_3p5()
2289                        .border_l_1()
2290                        .border_color(self.tool_card_border_color(cx))
2291                        .child(thinking_content),
2292                )
2293            })
2294            .into_any_element()
2295    }
2296
2297    fn render_tool_call(
2298        &self,
2299        entry_ix: usize,
2300        tool_call: &ToolCall,
2301        window: &Window,
2302        cx: &Context<Self>,
2303    ) -> Div {
2304        let has_location = tool_call.locations.len() == 1;
2305        let card_header_id = SharedString::from("inner-tool-call-header");
2306
2307        let failed_or_canceled = match &tool_call.status {
2308            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2309            _ => false,
2310        };
2311
2312        let needs_confirmation = matches!(
2313            tool_call.status,
2314            ToolCallStatus::WaitingForConfirmation { .. }
2315        );
2316        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2317        let is_edit =
2318            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2319
2320        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2321
2322        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2323
2324        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2325
2326        let tool_output_display =
2327            if is_open {
2328                match &tool_call.status {
2329                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2330                        .w_full()
2331                        .children(tool_call.content.iter().enumerate().map(
2332                            |(content_ix, content)| {
2333                                div()
2334                                    .child(self.render_tool_call_content(
2335                                        entry_ix,
2336                                        content,
2337                                        content_ix,
2338                                        tool_call,
2339                                        use_card_layout,
2340                                        window,
2341                                        cx,
2342                                    ))
2343                                    .into_any_element()
2344                            },
2345                        ))
2346                        .child(self.render_permission_buttons(
2347                            tool_call.kind,
2348                            options,
2349                            entry_ix,
2350                            tool_call.id.clone(),
2351                            cx,
2352                        ))
2353                        .into_any(),
2354                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2355                        if is_edit
2356                            && tool_call.content.is_empty()
2357                            && self.as_native_connection(cx).is_some() =>
2358                    {
2359                        self.render_diff_loading(cx).into_any()
2360                    }
2361                    ToolCallStatus::Pending
2362                    | ToolCallStatus::InProgress
2363                    | ToolCallStatus::Completed
2364                    | ToolCallStatus::Failed
2365                    | ToolCallStatus::Canceled => v_flex()
2366                        .w_full()
2367                        .children(tool_call.content.iter().enumerate().map(
2368                            |(content_ix, content)| {
2369                                div().child(self.render_tool_call_content(
2370                                    entry_ix,
2371                                    content,
2372                                    content_ix,
2373                                    tool_call,
2374                                    use_card_layout,
2375                                    window,
2376                                    cx,
2377                                ))
2378                            },
2379                        ))
2380                        .into_any(),
2381                    ToolCallStatus::Rejected => Empty.into_any(),
2382                }
2383                .into()
2384            } else {
2385                None
2386            };
2387
2388        v_flex()
2389            .map(|this| {
2390                if use_card_layout {
2391                    this.my_1p5()
2392                        .rounded_md()
2393                        .border_1()
2394                        .border_color(self.tool_card_border_color(cx))
2395                        .bg(cx.theme().colors().editor_background)
2396                        .overflow_hidden()
2397                } else {
2398                    this.my_1()
2399                }
2400            })
2401            .map(|this| {
2402                if has_location && !use_card_layout {
2403                    this.ml_4()
2404                } else {
2405                    this.ml_5()
2406                }
2407            })
2408            .mr_5()
2409            .map(|this| {
2410                if is_terminal_tool {
2411                    this.child(
2412                        v_flex()
2413                            .p_1p5()
2414                            .gap_0p5()
2415                            .text_ui_sm(cx)
2416                            .bg(self.tool_card_header_bg(cx))
2417                            .child(
2418                                Label::new("Run Command")
2419                                    .buffer_font(cx)
2420                                    .size(LabelSize::XSmall)
2421                                    .color(Color::Muted),
2422                            )
2423                            .child(
2424                                MarkdownElement::new(
2425                                    tool_call.label.clone(),
2426                                    terminal_command_markdown_style(window, cx),
2427                                )
2428                                .code_block_renderer(
2429                                    markdown::CodeBlockRenderer::Default {
2430                                        copy_button: false,
2431                                        copy_button_on_hover: false,
2432                                        border: false,
2433                                    },
2434                                )
2435                            ),
2436                    )
2437                } else {
2438                   this.child(
2439                        h_flex()
2440                            .group(&card_header_id)
2441                            .relative()
2442                            .w_full()
2443                            .gap_1()
2444                            .justify_between()
2445                            .when(use_card_layout, |this| {
2446                                this.p_0p5()
2447                                    .rounded_t(rems_from_px(5.))
2448                                    .bg(self.tool_card_header_bg(cx))
2449                            })
2450                            .child(self.render_tool_call_label(
2451                                entry_ix,
2452                                tool_call,
2453                                is_edit,
2454                                use_card_layout,
2455                                window,
2456                                cx,
2457                            ))
2458                            .when(is_collapsible || failed_or_canceled, |this| {
2459                                this.child(
2460                                    h_flex()
2461                                        .px_1()
2462                                        .gap_px()
2463                                        .when(is_collapsible, |this| {
2464                                            this.child(
2465                                            Disclosure::new(("expand", entry_ix), is_open)
2466                                                .opened_icon(IconName::ChevronUp)
2467                                                .closed_icon(IconName::ChevronDown)
2468                                                .visible_on_hover(&card_header_id)
2469                                                .on_click(cx.listener({
2470                                                    let id = tool_call.id.clone();
2471                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2472                                                        if is_open {
2473                                                            this.expanded_tool_calls.remove(&id);
2474                                                        } else {
2475                                                            this.expanded_tool_calls.insert(id.clone());
2476                                                        }
2477                                                        cx.notify();
2478                                                    }
2479                                                })),
2480                                        )
2481                                        })
2482                                        .when(failed_or_canceled, |this| {
2483                                            this.child(
2484                                                Icon::new(IconName::Close)
2485                                                    .color(Color::Error)
2486                                                    .size(IconSize::Small),
2487                                            )
2488                                        }),
2489                                )
2490                            }),
2491                    )
2492                }
2493            })
2494            .children(tool_output_display)
2495    }
2496
2497    fn render_tool_call_label(
2498        &self,
2499        entry_ix: usize,
2500        tool_call: &ToolCall,
2501        is_edit: bool,
2502        use_card_layout: bool,
2503        window: &Window,
2504        cx: &Context<Self>,
2505    ) -> Div {
2506        let has_location = tool_call.locations.len() == 1;
2507
2508        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2509            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2510                .map(Icon::from_path)
2511                .unwrap_or(Icon::new(IconName::ToolPencil))
2512        } else {
2513            Icon::new(match tool_call.kind {
2514                acp::ToolKind::Read => IconName::ToolSearch,
2515                acp::ToolKind::Edit => IconName::ToolPencil,
2516                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2517                acp::ToolKind::Move => IconName::ArrowRightLeft,
2518                acp::ToolKind::Search => IconName::ToolSearch,
2519                acp::ToolKind::Execute => IconName::ToolTerminal,
2520                acp::ToolKind::Think => IconName::ToolThink,
2521                acp::ToolKind::Fetch => IconName::ToolWeb,
2522                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2523                acp::ToolKind::Other => IconName::ToolHammer,
2524            })
2525        }
2526        .size(IconSize::Small)
2527        .color(Color::Muted);
2528
2529        let gradient_overlay = {
2530            div()
2531                .absolute()
2532                .top_0()
2533                .right_0()
2534                .w_12()
2535                .h_full()
2536                .map(|this| {
2537                    if use_card_layout {
2538                        this.bg(linear_gradient(
2539                            90.,
2540                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2541                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2542                        ))
2543                    } else {
2544                        this.bg(linear_gradient(
2545                            90.,
2546                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2547                            linear_color_stop(
2548                                cx.theme().colors().panel_background.opacity(0.2),
2549                                0.,
2550                            ),
2551                        ))
2552                    }
2553                })
2554        };
2555
2556        h_flex()
2557            .relative()
2558            .w_full()
2559            .h(window.line_height() - px(2.))
2560            .text_size(self.tool_name_font_size())
2561            .gap_1p5()
2562            .when(has_location || use_card_layout, |this| this.px_1())
2563            .when(has_location, |this| {
2564                this.cursor(CursorStyle::PointingHand)
2565                    .rounded(rems_from_px(3.)) // Concentric border radius
2566                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2567            })
2568            .overflow_hidden()
2569            .child(tool_icon)
2570            .child(if has_location {
2571                h_flex()
2572                    .id(("open-tool-call-location", entry_ix))
2573                    .w_full()
2574                    .map(|this| {
2575                        if use_card_layout {
2576                            this.text_color(cx.theme().colors().text)
2577                        } else {
2578                            this.text_color(cx.theme().colors().text_muted)
2579                        }
2580                    })
2581                    .child(self.render_markdown(
2582                        tool_call.label.clone(),
2583                        MarkdownStyle {
2584                            prevent_mouse_interaction: true,
2585                            ..default_markdown_style(false, true, window, cx)
2586                        },
2587                    ))
2588                    .tooltip(Tooltip::text("Jump to File"))
2589                    .on_click(cx.listener(move |this, _, window, cx| {
2590                        this.open_tool_call_location(entry_ix, 0, window, cx);
2591                    }))
2592                    .into_any_element()
2593            } else {
2594                h_flex()
2595                    .w_full()
2596                    .child(self.render_markdown(
2597                        tool_call.label.clone(),
2598                        default_markdown_style(false, true, window, cx),
2599                    ))
2600                    .into_any()
2601            })
2602            .when(!is_edit, |this| this.child(gradient_overlay))
2603    }
2604
2605    fn render_tool_call_content(
2606        &self,
2607        entry_ix: usize,
2608        content: &ToolCallContent,
2609        context_ix: usize,
2610        tool_call: &ToolCall,
2611        card_layout: bool,
2612        window: &Window,
2613        cx: &Context<Self>,
2614    ) -> AnyElement {
2615        match content {
2616            ToolCallContent::ContentBlock(content) => {
2617                if let Some(resource_link) = content.resource_link() {
2618                    self.render_resource_link(resource_link, cx)
2619                } else if let Some(markdown) = content.markdown() {
2620                    self.render_markdown_output(
2621                        markdown.clone(),
2622                        tool_call.id.clone(),
2623                        context_ix,
2624                        card_layout,
2625                        window,
2626                        cx,
2627                    )
2628                } else {
2629                    Empty.into_any_element()
2630                }
2631            }
2632            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2633            ToolCallContent::Terminal(terminal) => {
2634                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2635            }
2636        }
2637    }
2638
2639    fn render_markdown_output(
2640        &self,
2641        markdown: Entity<Markdown>,
2642        tool_call_id: acp::ToolCallId,
2643        context_ix: usize,
2644        card_layout: bool,
2645        window: &Window,
2646        cx: &Context<Self>,
2647    ) -> AnyElement {
2648        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2649
2650        v_flex()
2651            .mt_1p5()
2652            .gap_2()
2653            .when(!card_layout, |this| {
2654                this.ml(rems(0.4))
2655                    .px_3p5()
2656                    .border_l_1()
2657                    .border_color(self.tool_card_border_color(cx))
2658            })
2659            .when(card_layout, |this| {
2660                this.px_2().pb_2().when(context_ix > 0, |this| {
2661                    this.border_t_1()
2662                        .pt_2()
2663                        .border_color(self.tool_card_border_color(cx))
2664                })
2665            })
2666            .text_xs()
2667            .text_color(cx.theme().colors().text_muted)
2668            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2669            .when(!card_layout, |this| {
2670                this.child(
2671                    IconButton::new(button_id, IconName::ChevronUp)
2672                        .full_width()
2673                        .style(ButtonStyle::Outlined)
2674                        .icon_color(Color::Muted)
2675                        .on_click(cx.listener({
2676                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2677                                this.expanded_tool_calls.remove(&tool_call_id);
2678                                cx.notify();
2679                            }
2680                        })),
2681                )
2682            })
2683            .into_any_element()
2684    }
2685
2686    fn render_resource_link(
2687        &self,
2688        resource_link: &acp::ResourceLink,
2689        cx: &Context<Self>,
2690    ) -> AnyElement {
2691        let uri: SharedString = resource_link.uri.clone().into();
2692        let is_file = resource_link.uri.strip_prefix("file://");
2693
2694        let label: SharedString = if let Some(abs_path) = is_file {
2695            if let Some(project_path) = self
2696                .project
2697                .read(cx)
2698                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2699                && let Some(worktree) = self
2700                    .project
2701                    .read(cx)
2702                    .worktree_for_id(project_path.worktree_id, cx)
2703            {
2704                worktree
2705                    .read(cx)
2706                    .full_path(&project_path.path)
2707                    .to_string_lossy()
2708                    .to_string()
2709                    .into()
2710            } else {
2711                abs_path.to_string().into()
2712            }
2713        } else {
2714            uri.clone()
2715        };
2716
2717        let button_id = SharedString::from(format!("item-{}", uri));
2718
2719        div()
2720            .ml(rems(0.4))
2721            .pl_2p5()
2722            .border_l_1()
2723            .border_color(self.tool_card_border_color(cx))
2724            .overflow_hidden()
2725            .child(
2726                Button::new(button_id, label)
2727                    .label_size(LabelSize::Small)
2728                    .color(Color::Muted)
2729                    .truncate(true)
2730                    .when(is_file.is_none(), |this| {
2731                        this.icon(IconName::ArrowUpRight)
2732                            .icon_size(IconSize::XSmall)
2733                            .icon_color(Color::Muted)
2734                    })
2735                    .on_click(cx.listener({
2736                        let workspace = self.workspace.clone();
2737                        move |_, _, window, cx: &mut Context<Self>| {
2738                            Self::open_link(uri.clone(), &workspace, window, cx);
2739                        }
2740                    })),
2741            )
2742            .into_any_element()
2743    }
2744
2745    fn render_permission_buttons(
2746        &self,
2747        kind: acp::ToolKind,
2748        options: &[acp::PermissionOption],
2749        entry_ix: usize,
2750        tool_call_id: acp::ToolCallId,
2751        cx: &Context<Self>,
2752    ) -> Div {
2753        let is_first = self.thread().is_some_and(|thread| {
2754            thread
2755                .read(cx)
2756                .first_tool_awaiting_confirmation()
2757                .is_some_and(|call| call.id == tool_call_id)
2758        });
2759        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2760
2761        div()
2762            .p_1()
2763            .border_t_1()
2764            .border_color(self.tool_card_border_color(cx))
2765            .w_full()
2766            .map(|this| {
2767                if kind == acp::ToolKind::SwitchMode {
2768                    this.v_flex()
2769                } else {
2770                    this.h_flex().justify_end().flex_wrap()
2771                }
2772            })
2773            .gap_0p5()
2774            .children(options.iter().map(move |option| {
2775                let option_id = SharedString::from(option.id.0.clone());
2776                Button::new((option_id, entry_ix), option.name.clone())
2777                    .map(|this| {
2778                        let (this, action) = match option.kind {
2779                            acp::PermissionOptionKind::AllowOnce => (
2780                                this.icon(IconName::Check).icon_color(Color::Success),
2781                                Some(&AllowOnce as &dyn Action),
2782                            ),
2783                            acp::PermissionOptionKind::AllowAlways => (
2784                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2785                                Some(&AllowAlways as &dyn Action),
2786                            ),
2787                            acp::PermissionOptionKind::RejectOnce => (
2788                                this.icon(IconName::Close).icon_color(Color::Error),
2789                                Some(&RejectOnce as &dyn Action),
2790                            ),
2791                            acp::PermissionOptionKind::RejectAlways => {
2792                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2793                            }
2794                        };
2795
2796                        let Some(action) = action else {
2797                            return this;
2798                        };
2799
2800                        if !is_first || seen_kinds.contains(&option.kind) {
2801                            return this;
2802                        }
2803
2804                        seen_kinds.push(option.kind);
2805
2806                        this.key_binding(
2807                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
2808                                .map(|kb| kb.size(rems_from_px(10.))),
2809                        )
2810                    })
2811                    .icon_position(IconPosition::Start)
2812                    .icon_size(IconSize::XSmall)
2813                    .label_size(LabelSize::Small)
2814                    .on_click(cx.listener({
2815                        let tool_call_id = tool_call_id.clone();
2816                        let option_id = option.id.clone();
2817                        let option_kind = option.kind;
2818                        move |this, _, window, cx| {
2819                            this.authorize_tool_call(
2820                                tool_call_id.clone(),
2821                                option_id.clone(),
2822                                option_kind,
2823                                window,
2824                                cx,
2825                            );
2826                        }
2827                    }))
2828            }))
2829    }
2830
2831    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2832        let bar = |n: u64, width_class: &str| {
2833            let bg_color = cx.theme().colors().element_active;
2834            let base = h_flex().h_1().rounded_full();
2835
2836            let modified = match width_class {
2837                "w_4_5" => base.w_3_4(),
2838                "w_1_4" => base.w_1_4(),
2839                "w_2_4" => base.w_2_4(),
2840                "w_3_5" => base.w_3_5(),
2841                "w_2_5" => base.w_2_5(),
2842                _ => base.w_1_2(),
2843            };
2844
2845            modified.with_animation(
2846                ElementId::Integer(n),
2847                Animation::new(Duration::from_secs(2)).repeat(),
2848                move |tab, delta| {
2849                    let delta = (delta - 0.15 * n as f32) / 0.7;
2850                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2851                    let delta = ease_in_out(delta.clamp(0., 1.));
2852                    let delta = 0.1 + 0.9 * delta;
2853
2854                    tab.bg(bg_color.opacity(delta))
2855                },
2856            )
2857        };
2858
2859        v_flex()
2860            .p_3()
2861            .gap_1()
2862            .rounded_b_md()
2863            .bg(cx.theme().colors().editor_background)
2864            .child(bar(0, "w_4_5"))
2865            .child(bar(1, "w_1_4"))
2866            .child(bar(2, "w_2_4"))
2867            .child(bar(3, "w_3_5"))
2868            .child(bar(4, "w_2_5"))
2869            .into_any_element()
2870    }
2871
2872    fn render_diff_editor(
2873        &self,
2874        entry_ix: usize,
2875        diff: &Entity<acp_thread::Diff>,
2876        tool_call: &ToolCall,
2877        cx: &Context<Self>,
2878    ) -> AnyElement {
2879        let tool_progress = matches!(
2880            &tool_call.status,
2881            ToolCallStatus::InProgress | ToolCallStatus::Pending
2882        );
2883
2884        v_flex()
2885            .h_full()
2886            .border_t_1()
2887            .border_color(self.tool_card_border_color(cx))
2888            .child(
2889                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2890                    && let Some(editor) = entry.editor_for_diff(diff)
2891                    && diff.read(cx).has_revealed_range(cx)
2892                {
2893                    editor.into_any_element()
2894                } else if tool_progress && self.as_native_connection(cx).is_some() {
2895                    self.render_diff_loading(cx)
2896                } else {
2897                    Empty.into_any()
2898                },
2899            )
2900            .into_any()
2901    }
2902
2903    fn render_terminal_tool_call(
2904        &self,
2905        entry_ix: usize,
2906        terminal: &Entity<acp_thread::Terminal>,
2907        tool_call: &ToolCall,
2908        window: &Window,
2909        cx: &Context<Self>,
2910    ) -> AnyElement {
2911        let terminal_data = terminal.read(cx);
2912        let working_dir = terminal_data.working_dir();
2913        let command = terminal_data.command();
2914        let started_at = terminal_data.started_at();
2915
2916        let tool_failed = matches!(
2917            &tool_call.status,
2918            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2919        );
2920
2921        let output = terminal_data.output();
2922        let command_finished = output.is_some();
2923        let truncated_output =
2924            output.is_some_and(|output| output.original_content_len > output.content.len());
2925        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2926
2927        let command_failed = command_finished
2928            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
2929
2930        let time_elapsed = if let Some(output) = output {
2931            output.ended_at.duration_since(started_at)
2932        } else {
2933            started_at.elapsed()
2934        };
2935
2936        let header_id =
2937            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2938        let header_group = SharedString::from(format!(
2939            "terminal-tool-header-group-{}",
2940            terminal.entity_id()
2941        ));
2942        let header_bg = cx
2943            .theme()
2944            .colors()
2945            .element_background
2946            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2947        let border_color = cx.theme().colors().border.opacity(0.6);
2948
2949        let working_dir = working_dir
2950            .as_ref()
2951            .map(|path| path.display().to_string())
2952            .unwrap_or_else(|| "current directory".to_string());
2953
2954        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2955
2956        let header = h_flex()
2957            .id(header_id)
2958            .flex_none()
2959            .gap_1()
2960            .justify_between()
2961            .rounded_t_md()
2962            .child(
2963                div()
2964                    .id(("command-target-path", terminal.entity_id()))
2965                    .w_full()
2966                    .max_w_full()
2967                    .overflow_x_scroll()
2968                    .child(
2969                        Label::new(working_dir)
2970                            .buffer_font(cx)
2971                            .size(LabelSize::XSmall)
2972                            .color(Color::Muted),
2973                    ),
2974            )
2975            .when(!command_finished, |header| {
2976                header
2977                    .gap_1p5()
2978                    .child(
2979                        Button::new(
2980                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2981                            "Stop",
2982                        )
2983                        .icon(IconName::Stop)
2984                        .icon_position(IconPosition::Start)
2985                        .icon_size(IconSize::Small)
2986                        .icon_color(Color::Error)
2987                        .label_size(LabelSize::Small)
2988                        .tooltip(move |_window, cx| {
2989                            Tooltip::with_meta(
2990                                "Stop This Command",
2991                                None,
2992                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2993                                cx,
2994                            )
2995                        })
2996                        .on_click({
2997                            let terminal = terminal.clone();
2998                            cx.listener(move |_this, _event, _window, cx| {
2999                                let inner_terminal = terminal.read(cx).inner().clone();
3000                                inner_terminal.update(cx, |inner_terminal, _cx| {
3001                                    inner_terminal.kill_active_task();
3002                                });
3003                            })
3004                        }),
3005                    )
3006                    .child(Divider::vertical())
3007                    .child(
3008                        Icon::new(IconName::ArrowCircle)
3009                            .size(IconSize::XSmall)
3010                            .color(Color::Info)
3011                            .with_rotate_animation(2)
3012                    )
3013            })
3014            .when(truncated_output, |header| {
3015                let tooltip = if let Some(output) = output {
3016                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3017                       format!("Output exceeded terminal max lines and was \
3018                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3019                    } else {
3020                        format!(
3021                            "Output is {} long, and to avoid unexpected token usage, \
3022                                only {} was sent back to the agent.",
3023                            format_file_size(output.original_content_len as u64, true),
3024                             format_file_size(output.content.len() as u64, true)
3025                        )
3026                    }
3027                } else {
3028                    "Output was truncated".to_string()
3029                };
3030
3031                header.child(
3032                    h_flex()
3033                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3034                        .gap_1()
3035                        .child(
3036                            Icon::new(IconName::Info)
3037                                .size(IconSize::XSmall)
3038                                .color(Color::Ignored),
3039                        )
3040                        .child(
3041                            Label::new("Truncated")
3042                                .color(Color::Muted)
3043                                .size(LabelSize::XSmall),
3044                        )
3045                        .tooltip(Tooltip::text(tooltip)),
3046                )
3047            })
3048            .when(time_elapsed > Duration::from_secs(10), |header| {
3049                header.child(
3050                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3051                        .buffer_font(cx)
3052                        .color(Color::Muted)
3053                        .size(LabelSize::XSmall),
3054                )
3055            })
3056            .when(tool_failed || command_failed, |header| {
3057                header.child(
3058                    div()
3059                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3060                        .child(
3061                            Icon::new(IconName::Close)
3062                                .size(IconSize::Small)
3063                                .color(Color::Error),
3064                        )
3065                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3066                            this.tooltip(Tooltip::text(format!(
3067                                "Exited with code {}",
3068                                status.code().unwrap_or(-1),
3069                            )))
3070                        }),
3071                )
3072            })
3073            .child(
3074                Disclosure::new(
3075                    SharedString::from(format!(
3076                        "terminal-tool-disclosure-{}",
3077                        terminal.entity_id()
3078                    )),
3079                    is_expanded,
3080                )
3081                .opened_icon(IconName::ChevronUp)
3082                .closed_icon(IconName::ChevronDown)
3083                .visible_on_hover(&header_group)
3084                .on_click(cx.listener({
3085                    let id = tool_call.id.clone();
3086                    move |this, _event, _window, _cx| {
3087                        if is_expanded {
3088                            this.expanded_tool_calls.remove(&id);
3089                        } else {
3090                            this.expanded_tool_calls.insert(id.clone());
3091                        }
3092                    }
3093                })),
3094            );
3095
3096        let terminal_view = self
3097            .entry_view_state
3098            .read(cx)
3099            .entry(entry_ix)
3100            .and_then(|entry| entry.terminal(terminal));
3101        let show_output = is_expanded && terminal_view.is_some();
3102
3103        v_flex()
3104            .my_1p5()
3105            .mx_5()
3106            .border_1()
3107            .when(tool_failed || command_failed, |card| card.border_dashed())
3108            .border_color(border_color)
3109            .rounded_md()
3110            .overflow_hidden()
3111            .child(
3112                v_flex()
3113                    .group(&header_group)
3114                    .py_1p5()
3115                    .pr_1p5()
3116                    .pl_2()
3117                    .gap_0p5()
3118                    .bg(header_bg)
3119                    .text_xs()
3120                    .child(header)
3121                    .child(
3122                        MarkdownElement::new(
3123                            command.clone(),
3124                            terminal_command_markdown_style(window, cx),
3125                        )
3126                        .code_block_renderer(
3127                            markdown::CodeBlockRenderer::Default {
3128                                copy_button: false,
3129                                copy_button_on_hover: true,
3130                                border: false,
3131                            },
3132                        ),
3133                    ),
3134            )
3135            .when(show_output, |this| {
3136                this.child(
3137                    div()
3138                        .pt_2()
3139                        .border_t_1()
3140                        .when(tool_failed || command_failed, |card| card.border_dashed())
3141                        .border_color(border_color)
3142                        .bg(cx.theme().colors().editor_background)
3143                        .rounded_b_md()
3144                        .text_ui_sm(cx)
3145                        .h_full()
3146                        .children(terminal_view.map(|terminal_view| {
3147                            let element = if terminal_view
3148                                .read(cx)
3149                                .content_mode(window, cx)
3150                                .is_scrollable()
3151                            {
3152                                div().h_72().child(terminal_view).into_any_element()
3153                            } else {
3154                                terminal_view.into_any_element()
3155                            };
3156
3157                            div()
3158                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3159                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3160                                    cx.stop_propagation();
3161                                }))
3162                                .child(element)
3163                                .into_any_element()
3164                        })),
3165                )
3166            })
3167            .into_any()
3168    }
3169
3170    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3171        let project_context = self
3172            .as_native_thread(cx)?
3173            .read(cx)
3174            .project_context()
3175            .read(cx);
3176
3177        let user_rules_text = if project_context.user_rules.is_empty() {
3178            None
3179        } else if project_context.user_rules.len() == 1 {
3180            let user_rules = &project_context.user_rules[0];
3181
3182            match user_rules.title.as_ref() {
3183                Some(title) => Some(format!("Using \"{title}\" user rule")),
3184                None => Some("Using user rule".into()),
3185            }
3186        } else {
3187            Some(format!(
3188                "Using {} user rules",
3189                project_context.user_rules.len()
3190            ))
3191        };
3192
3193        let first_user_rules_id = project_context
3194            .user_rules
3195            .first()
3196            .map(|user_rules| user_rules.uuid.0);
3197
3198        let rules_files = project_context
3199            .worktrees
3200            .iter()
3201            .filter_map(|worktree| worktree.rules_file.as_ref())
3202            .collect::<Vec<_>>();
3203
3204        let rules_file_text = match rules_files.as_slice() {
3205            &[] => None,
3206            &[rules_file] => Some(format!(
3207                "Using project {:?} file",
3208                rules_file.path_in_worktree
3209            )),
3210            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3211        };
3212
3213        if user_rules_text.is_none() && rules_file_text.is_none() {
3214            return None;
3215        }
3216
3217        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3218
3219        Some(
3220            h_flex()
3221                .px_2p5()
3222                .child(
3223                    Icon::new(IconName::Attach)
3224                        .size(IconSize::XSmall)
3225                        .color(Color::Disabled),
3226                )
3227                .when_some(user_rules_text, |parent, user_rules_text| {
3228                    parent.child(
3229                        h_flex()
3230                            .id("user-rules")
3231                            .ml_1()
3232                            .mr_1p5()
3233                            .child(
3234                                Label::new(user_rules_text)
3235                                    .size(LabelSize::XSmall)
3236                                    .color(Color::Muted)
3237                                    .truncate(),
3238                            )
3239                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3240                            .tooltip(Tooltip::text("View User Rules"))
3241                            .on_click(move |_event, window, cx| {
3242                                window.dispatch_action(
3243                                    Box::new(OpenRulesLibrary {
3244                                        prompt_to_select: first_user_rules_id,
3245                                    }),
3246                                    cx,
3247                                )
3248                            }),
3249                    )
3250                })
3251                .when(has_both, |this| {
3252                    this.child(
3253                        Label::new("")
3254                            .size(LabelSize::XSmall)
3255                            .color(Color::Disabled),
3256                    )
3257                })
3258                .when_some(rules_file_text, |parent, rules_file_text| {
3259                    parent.child(
3260                        h_flex()
3261                            .id("project-rules")
3262                            .ml_1p5()
3263                            .child(
3264                                Label::new(rules_file_text)
3265                                    .size(LabelSize::XSmall)
3266                                    .color(Color::Muted),
3267                            )
3268                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3269                            .tooltip(Tooltip::text("View Project Rules"))
3270                            .on_click(cx.listener(Self::handle_open_rules)),
3271                    )
3272                })
3273                .into_any(),
3274        )
3275    }
3276
3277    fn render_empty_state_section_header(
3278        &self,
3279        label: impl Into<SharedString>,
3280        action_slot: Option<AnyElement>,
3281        cx: &mut Context<Self>,
3282    ) -> impl IntoElement {
3283        div().pl_1().pr_1p5().child(
3284            h_flex()
3285                .mt_2()
3286                .pl_1p5()
3287                .pb_1()
3288                .w_full()
3289                .justify_between()
3290                .border_b_1()
3291                .border_color(cx.theme().colors().border_variant)
3292                .child(
3293                    Label::new(label.into())
3294                        .size(LabelSize::Small)
3295                        .color(Color::Muted),
3296                )
3297                .children(action_slot),
3298        )
3299    }
3300
3301    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3302        let render_history = self
3303            .agent
3304            .clone()
3305            .downcast::<agent::NativeAgentServer>()
3306            .is_some()
3307            && self
3308                .history_store
3309                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3310
3311        v_flex()
3312            .size_full()
3313            .when(render_history, |this| {
3314                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3315                    history_store.entries().take(3).collect()
3316                });
3317                this.justify_end().child(
3318                    v_flex()
3319                        .child(
3320                            self.render_empty_state_section_header(
3321                                "Recent",
3322                                Some(
3323                                    Button::new("view-history", "View All")
3324                                        .style(ButtonStyle::Subtle)
3325                                        .label_size(LabelSize::Small)
3326                                        .key_binding(
3327                                            KeyBinding::for_action_in(
3328                                                &OpenHistory,
3329                                                &self.focus_handle(cx),
3330                                                cx,
3331                                            )
3332                                            .map(|kb| kb.size(rems_from_px(12.))),
3333                                        )
3334                                        .on_click(move |_event, window, cx| {
3335                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3336                                        })
3337                                        .into_any_element(),
3338                                ),
3339                                cx,
3340                            ),
3341                        )
3342                        .child(
3343                            v_flex().p_1().pr_1p5().gap_1().children(
3344                                recent_history
3345                                    .into_iter()
3346                                    .enumerate()
3347                                    .map(|(index, entry)| {
3348                                        // TODO: Add keyboard navigation.
3349                                        let is_hovered =
3350                                            self.hovered_recent_history_item == Some(index);
3351                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3352                                            entry,
3353                                            cx.entity().downgrade(),
3354                                        )
3355                                        .hovered(is_hovered)
3356                                        .on_hover(cx.listener(
3357                                            move |this, is_hovered, _window, cx| {
3358                                                if *is_hovered {
3359                                                    this.hovered_recent_history_item = Some(index);
3360                                                } else if this.hovered_recent_history_item
3361                                                    == Some(index)
3362                                                {
3363                                                    this.hovered_recent_history_item = None;
3364                                                }
3365                                                cx.notify();
3366                                            },
3367                                        ))
3368                                        .into_any_element()
3369                                    }),
3370                            ),
3371                        ),
3372                )
3373            })
3374            .into_any()
3375    }
3376
3377    fn render_auth_required_state(
3378        &self,
3379        connection: &Rc<dyn AgentConnection>,
3380        description: Option<&Entity<Markdown>>,
3381        configuration_view: Option<&AnyView>,
3382        pending_auth_method: Option<&acp::AuthMethodId>,
3383        window: &mut Window,
3384        cx: &Context<Self>,
3385    ) -> Div {
3386        let show_description =
3387            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3388
3389        let auth_methods = connection.auth_methods();
3390
3391        v_flex().flex_1().size_full().justify_end().child(
3392            v_flex()
3393                .p_2()
3394                .pr_3()
3395                .w_full()
3396                .gap_1()
3397                .border_t_1()
3398                .border_color(cx.theme().colors().border)
3399                .bg(cx.theme().status().warning.opacity(0.04))
3400                .child(
3401                    h_flex()
3402                        .gap_1p5()
3403                        .child(
3404                            Icon::new(IconName::Warning)
3405                                .color(Color::Warning)
3406                                .size(IconSize::Small),
3407                        )
3408                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3409                )
3410                .children(description.map(|desc| {
3411                    div().text_ui(cx).child(self.render_markdown(
3412                        desc.clone(),
3413                        default_markdown_style(false, false, window, cx),
3414                    ))
3415                }))
3416                .children(
3417                    configuration_view
3418                        .cloned()
3419                        .map(|view| div().w_full().child(view)),
3420                )
3421                .when(show_description, |el| {
3422                    el.child(
3423                        Label::new(format!(
3424                            "You are not currently authenticated with {}.{}",
3425                            self.agent.name(),
3426                            if auth_methods.len() > 1 {
3427                                " Please choose one of the following options:"
3428                            } else {
3429                                ""
3430                            }
3431                        ))
3432                        .size(LabelSize::Small)
3433                        .color(Color::Muted)
3434                        .mb_1()
3435                        .ml_5(),
3436                    )
3437                })
3438                .when_some(pending_auth_method, |el, _| {
3439                    el.child(
3440                        h_flex()
3441                            .py_4()
3442                            .w_full()
3443                            .justify_center()
3444                            .gap_1()
3445                            .child(
3446                                Icon::new(IconName::ArrowCircle)
3447                                    .size(IconSize::Small)
3448                                    .color(Color::Muted)
3449                                    .with_rotate_animation(2),
3450                            )
3451                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3452                    )
3453                })
3454                .when(!auth_methods.is_empty(), |this| {
3455                    this.child(
3456                        h_flex()
3457                            .justify_end()
3458                            .flex_wrap()
3459                            .gap_1()
3460                            .when(!show_description, |this| {
3461                                this.border_t_1()
3462                                    .mt_1()
3463                                    .pt_2()
3464                                    .border_color(cx.theme().colors().border.opacity(0.8))
3465                            })
3466                            .children(connection.auth_methods().iter().enumerate().rev().map(
3467                                |(ix, method)| {
3468                                    let (method_id, name) = if self
3469                                        .project
3470                                        .read(cx)
3471                                        .is_via_remote_server()
3472                                        && method.id.0.as_ref() == "oauth-personal"
3473                                        && method.name == "Log in with Google"
3474                                    {
3475                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3476                                    } else {
3477                                        (method.id.0.clone(), method.name.clone())
3478                                    };
3479
3480                                    Button::new(SharedString::from(method_id.clone()), name)
3481                                        .label_size(LabelSize::Small)
3482                                        .map(|this| {
3483                                            if ix == 0 {
3484                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3485                                            } else {
3486                                                this.style(ButtonStyle::Outlined)
3487                                            }
3488                                        })
3489                                        .when_some(
3490                                            method.description.clone(),
3491                                            |this, description| {
3492                                                this.tooltip(Tooltip::text(description))
3493                                            },
3494                                        )
3495                                        .on_click({
3496                                            cx.listener(move |this, _, window, cx| {
3497                                                telemetry::event!(
3498                                                    "Authenticate Agent Started",
3499                                                    agent = this.agent.telemetry_id(),
3500                                                    method = method_id
3501                                                );
3502
3503                                                this.authenticate(
3504                                                    acp::AuthMethodId(method_id.clone()),
3505                                                    window,
3506                                                    cx,
3507                                                )
3508                                            })
3509                                        })
3510                                },
3511                            )),
3512                    )
3513                }),
3514        )
3515    }
3516
3517    fn render_load_error(
3518        &self,
3519        e: &LoadError,
3520        window: &mut Window,
3521        cx: &mut Context<Self>,
3522    ) -> AnyElement {
3523        let (title, message, action_slot): (_, SharedString, _) = match e {
3524            LoadError::Unsupported {
3525                command: path,
3526                current_version,
3527                minimum_version,
3528            } => {
3529                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3530            }
3531            LoadError::FailedToInstall(msg) => (
3532                "Failed to Install",
3533                msg.into(),
3534                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3535            ),
3536            LoadError::Exited { status } => (
3537                "Failed to Launch",
3538                format!("Server exited with status {status}").into(),
3539                None,
3540            ),
3541            LoadError::Other(msg) => (
3542                "Failed to Launch",
3543                msg.into(),
3544                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3545            ),
3546        };
3547
3548        Callout::new()
3549            .severity(Severity::Error)
3550            .icon(IconName::XCircleFilled)
3551            .title(title)
3552            .description(message)
3553            .actions_slot(div().children(action_slot))
3554            .into_any_element()
3555    }
3556
3557    fn render_unsupported(
3558        &self,
3559        path: &SharedString,
3560        version: &SharedString,
3561        minimum_version: &SharedString,
3562        _window: &mut Window,
3563        cx: &mut Context<Self>,
3564    ) -> AnyElement {
3565        let (heading_label, description_label) = (
3566            format!("Upgrade {} to work with Zed", self.agent.name()),
3567            if version.is_empty() {
3568                format!(
3569                    "Currently using {}, which does not report a valid --version",
3570                    path,
3571                )
3572            } else {
3573                format!(
3574                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3575                    path, version
3576                )
3577            },
3578        );
3579
3580        v_flex()
3581            .w_full()
3582            .p_3p5()
3583            .gap_2p5()
3584            .border_t_1()
3585            .border_color(cx.theme().colors().border)
3586            .bg(linear_gradient(
3587                180.,
3588                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3589                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3590            ))
3591            .child(
3592                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3593                    Label::new(description_label)
3594                        .size(LabelSize::Small)
3595                        .color(Color::Muted),
3596                ),
3597            )
3598            .into_any_element()
3599    }
3600
3601    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3602        let editor_bg_color = cx.theme().colors().editor_background;
3603        let active_color = cx.theme().colors().element_selected;
3604        editor_bg_color.blend(active_color.opacity(0.3))
3605    }
3606
3607    fn render_activity_bar(
3608        &self,
3609        thread_entity: &Entity<AcpThread>,
3610        window: &mut Window,
3611        cx: &Context<Self>,
3612    ) -> Option<AnyElement> {
3613        let thread = thread_entity.read(cx);
3614        let action_log = thread.action_log();
3615        let telemetry = ActionLogTelemetry::from(thread);
3616        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3617        let plan = thread.plan();
3618
3619        if changed_buffers.is_empty() && plan.is_empty() {
3620            return None;
3621        }
3622
3623        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3624        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3625        // be, which blocks you from being able to accept or reject edits. This switches the
3626        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3627        // block you from using the panel.
3628        let pending_edits = false;
3629
3630        v_flex()
3631            .mt_1()
3632            .mx_2()
3633            .bg(self.activity_bar_bg(cx))
3634            .border_1()
3635            .border_b_0()
3636            .border_color(cx.theme().colors().border)
3637            .rounded_t_md()
3638            .shadow(vec![gpui::BoxShadow {
3639                color: gpui::black().opacity(0.15),
3640                offset: point(px(1.), px(-1.)),
3641                blur_radius: px(3.),
3642                spread_radius: px(0.),
3643            }])
3644            .when(!plan.is_empty(), |this| {
3645                this.child(self.render_plan_summary(plan, window, cx))
3646                    .when(self.plan_expanded, |parent| {
3647                        parent.child(self.render_plan_entries(plan, window, cx))
3648                    })
3649            })
3650            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3651                this.child(Divider::horizontal().color(DividerColor::Border))
3652            })
3653            .when(!changed_buffers.is_empty(), |this| {
3654                this.child(self.render_edits_summary(
3655                    &changed_buffers,
3656                    self.edits_expanded,
3657                    pending_edits,
3658                    cx,
3659                ))
3660                .when(self.edits_expanded, |parent| {
3661                    parent.child(self.render_edited_files(
3662                        action_log,
3663                        telemetry,
3664                        &changed_buffers,
3665                        pending_edits,
3666                        cx,
3667                    ))
3668                })
3669            })
3670            .into_any()
3671            .into()
3672    }
3673
3674    fn render_plan_summary(
3675        &self,
3676        plan: &Plan,
3677        window: &mut Window,
3678        cx: &Context<Self>,
3679    ) -> impl IntoElement {
3680        let stats = plan.stats();
3681
3682        let title = if let Some(entry) = stats.in_progress_entry
3683            && !self.plan_expanded
3684        {
3685            h_flex()
3686                .cursor_default()
3687                .relative()
3688                .w_full()
3689                .gap_1()
3690                .truncate()
3691                .child(
3692                    Label::new("Current:")
3693                        .size(LabelSize::Small)
3694                        .color(Color::Muted),
3695                )
3696                .child(
3697                    div()
3698                        .text_xs()
3699                        .text_color(cx.theme().colors().text_muted)
3700                        .line_clamp(1)
3701                        .child(MarkdownElement::new(
3702                            entry.content.clone(),
3703                            plan_label_markdown_style(&entry.status, window, cx),
3704                        )),
3705                )
3706                .when(stats.pending > 0, |this| {
3707                    this.child(
3708                        h_flex()
3709                            .absolute()
3710                            .top_0()
3711                            .right_0()
3712                            .h_full()
3713                            .child(div().min_w_8().h_full().bg(linear_gradient(
3714                                90.,
3715                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3716                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3717                            )))
3718                            .child(
3719                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3720                                    Label::new(format!("{} left", stats.pending))
3721                                        .size(LabelSize::Small)
3722                                        .color(Color::Muted),
3723                                ),
3724                            ),
3725                    )
3726                })
3727        } else {
3728            let status_label = if stats.pending == 0 {
3729                "All Done".to_string()
3730            } else if stats.completed == 0 {
3731                format!("{} Tasks", plan.entries.len())
3732            } else {
3733                format!("{}/{}", stats.completed, plan.entries.len())
3734            };
3735
3736            h_flex()
3737                .w_full()
3738                .gap_1()
3739                .justify_between()
3740                .child(
3741                    Label::new("Plan")
3742                        .size(LabelSize::Small)
3743                        .color(Color::Muted),
3744                )
3745                .child(
3746                    Label::new(status_label)
3747                        .size(LabelSize::Small)
3748                        .color(Color::Muted)
3749                        .mr_1(),
3750                )
3751        };
3752
3753        h_flex()
3754            .id("plan_summary")
3755            .p_1()
3756            .w_full()
3757            .gap_1()
3758            .when(self.plan_expanded, |this| {
3759                this.border_b_1().border_color(cx.theme().colors().border)
3760            })
3761            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3762            .child(title)
3763            .on_click(cx.listener(|this, _, _, cx| {
3764                this.plan_expanded = !this.plan_expanded;
3765                cx.notify();
3766            }))
3767    }
3768
3769    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3770        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3771            let element = h_flex()
3772                .py_1()
3773                .px_2()
3774                .gap_2()
3775                .justify_between()
3776                .bg(cx.theme().colors().editor_background)
3777                .when(index < plan.entries.len() - 1, |parent| {
3778                    parent.border_color(cx.theme().colors().border).border_b_1()
3779                })
3780                .child(
3781                    h_flex()
3782                        .id(("plan_entry", index))
3783                        .gap_1p5()
3784                        .max_w_full()
3785                        .overflow_x_scroll()
3786                        .text_xs()
3787                        .text_color(cx.theme().colors().text_muted)
3788                        .child(match entry.status {
3789                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3790                                .size(IconSize::Small)
3791                                .color(Color::Muted)
3792                                .into_any_element(),
3793                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3794                                .size(IconSize::Small)
3795                                .color(Color::Accent)
3796                                .with_rotate_animation(2)
3797                                .into_any_element(),
3798                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3799                                .size(IconSize::Small)
3800                                .color(Color::Success)
3801                                .into_any_element(),
3802                        })
3803                        .child(MarkdownElement::new(
3804                            entry.content.clone(),
3805                            plan_label_markdown_style(&entry.status, window, cx),
3806                        )),
3807                );
3808
3809            Some(element)
3810        }))
3811    }
3812
3813    fn render_edits_summary(
3814        &self,
3815        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3816        expanded: bool,
3817        pending_edits: bool,
3818        cx: &Context<Self>,
3819    ) -> Div {
3820        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3821
3822        let focus_handle = self.focus_handle(cx);
3823
3824        h_flex()
3825            .p_1()
3826            .justify_between()
3827            .flex_wrap()
3828            .when(expanded, |this| {
3829                this.border_b_1().border_color(cx.theme().colors().border)
3830            })
3831            .child(
3832                h_flex()
3833                    .id("edits-container")
3834                    .cursor_pointer()
3835                    .gap_1()
3836                    .child(Disclosure::new("edits-disclosure", expanded))
3837                    .map(|this| {
3838                        if pending_edits {
3839                            this.child(
3840                                Label::new(format!(
3841                                    "Editing {} {}",
3842                                    changed_buffers.len(),
3843                                    if changed_buffers.len() == 1 {
3844                                        "file"
3845                                    } else {
3846                                        "files"
3847                                    }
3848                                ))
3849                                .color(Color::Muted)
3850                                .size(LabelSize::Small)
3851                                .with_animation(
3852                                    "edit-label",
3853                                    Animation::new(Duration::from_secs(2))
3854                                        .repeat()
3855                                        .with_easing(pulsating_between(0.3, 0.7)),
3856                                    |label, delta| label.alpha(delta),
3857                                ),
3858                            )
3859                        } else {
3860                            this.child(
3861                                Label::new("Edits")
3862                                    .size(LabelSize::Small)
3863                                    .color(Color::Muted),
3864                            )
3865                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3866                            .child(
3867                                Label::new(format!(
3868                                    "{} {}",
3869                                    changed_buffers.len(),
3870                                    if changed_buffers.len() == 1 {
3871                                        "file"
3872                                    } else {
3873                                        "files"
3874                                    }
3875                                ))
3876                                .size(LabelSize::Small)
3877                                .color(Color::Muted),
3878                            )
3879                        }
3880                    })
3881                    .on_click(cx.listener(|this, _, _, cx| {
3882                        this.edits_expanded = !this.edits_expanded;
3883                        cx.notify();
3884                    })),
3885            )
3886            .child(
3887                h_flex()
3888                    .gap_1()
3889                    .child(
3890                        IconButton::new("review-changes", IconName::ListTodo)
3891                            .icon_size(IconSize::Small)
3892                            .tooltip({
3893                                let focus_handle = focus_handle.clone();
3894                                move |_window, cx| {
3895                                    Tooltip::for_action_in(
3896                                        "Review Changes",
3897                                        &OpenAgentDiff,
3898                                        &focus_handle,
3899                                        cx,
3900                                    )
3901                                }
3902                            })
3903                            .on_click(cx.listener(|_, _, window, cx| {
3904                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3905                            })),
3906                    )
3907                    .child(Divider::vertical().color(DividerColor::Border))
3908                    .child(
3909                        Button::new("reject-all-changes", "Reject All")
3910                            .label_size(LabelSize::Small)
3911                            .disabled(pending_edits)
3912                            .when(pending_edits, |this| {
3913                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3914                            })
3915                            .key_binding(
3916                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
3917                                    .map(|kb| kb.size(rems_from_px(10.))),
3918                            )
3919                            .on_click(cx.listener(move |this, _, window, cx| {
3920                                this.reject_all(&RejectAll, window, cx);
3921                            })),
3922                    )
3923                    .child(
3924                        Button::new("keep-all-changes", "Keep All")
3925                            .label_size(LabelSize::Small)
3926                            .disabled(pending_edits)
3927                            .when(pending_edits, |this| {
3928                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3929                            })
3930                            .key_binding(
3931                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
3932                                    .map(|kb| kb.size(rems_from_px(10.))),
3933                            )
3934                            .on_click(cx.listener(move |this, _, window, cx| {
3935                                this.keep_all(&KeepAll, window, cx);
3936                            })),
3937                    ),
3938            )
3939    }
3940
3941    fn render_edited_files(
3942        &self,
3943        action_log: &Entity<ActionLog>,
3944        telemetry: ActionLogTelemetry,
3945        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3946        pending_edits: bool,
3947        cx: &Context<Self>,
3948    ) -> Div {
3949        let editor_bg_color = cx.theme().colors().editor_background;
3950
3951        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3952            |(index, (buffer, _diff))| {
3953                let file = buffer.read(cx).file()?;
3954                let path = file.path();
3955                let path_style = file.path_style(cx);
3956                let separator = file.path_style(cx).separator();
3957
3958                let file_path = path.parent().and_then(|parent| {
3959                    if parent.is_empty() {
3960                        None
3961                    } else {
3962                        Some(
3963                            Label::new(format!("{}{separator}", parent.display(path_style)))
3964                                .color(Color::Muted)
3965                                .size(LabelSize::XSmall)
3966                                .buffer_font(cx),
3967                        )
3968                    }
3969                });
3970
3971                let file_name = path.file_name().map(|name| {
3972                    Label::new(name.to_string())
3973                        .size(LabelSize::XSmall)
3974                        .buffer_font(cx)
3975                        .ml_1p5()
3976                });
3977
3978                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3979                    .map(Icon::from_path)
3980                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3981                    .unwrap_or_else(|| {
3982                        Icon::new(IconName::File)
3983                            .color(Color::Muted)
3984                            .size(IconSize::Small)
3985                    });
3986
3987                let overlay_gradient = linear_gradient(
3988                    90.,
3989                    linear_color_stop(editor_bg_color, 1.),
3990                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3991                );
3992
3993                let element = h_flex()
3994                    .group("edited-code")
3995                    .id(("file-container", index))
3996                    .py_1()
3997                    .pl_2()
3998                    .pr_1()
3999                    .gap_2()
4000                    .justify_between()
4001                    .bg(editor_bg_color)
4002                    .when(index < changed_buffers.len() - 1, |parent| {
4003                        parent.border_color(cx.theme().colors().border).border_b_1()
4004                    })
4005                    .child(
4006                        h_flex()
4007                            .id(("file-name-row", index))
4008                            .relative()
4009                            .pr_8()
4010                            .w_full()
4011                            .overflow_x_scroll()
4012                            .child(
4013                                h_flex()
4014                                    .id(("file-name-path", index))
4015                                    .cursor_pointer()
4016                                    .pr_0p5()
4017                                    .gap_0p5()
4018                                    .hover(|s| s.bg(cx.theme().colors().element_hover))
4019                                    .rounded_xs()
4020                                    .child(file_icon)
4021                                    .children(file_name)
4022                                    .children(file_path)
4023                                    .tooltip(Tooltip::text("Go to File"))
4024                                    .on_click({
4025                                        let buffer = buffer.clone();
4026                                        cx.listener(move |this, _, window, cx| {
4027                                            this.open_edited_buffer(&buffer, window, cx);
4028                                        })
4029                                    }),
4030                            )
4031                            .child(
4032                                div()
4033                                    .absolute()
4034                                    .h_full()
4035                                    .w_12()
4036                                    .top_0()
4037                                    .bottom_0()
4038                                    .right_0()
4039                                    .bg(overlay_gradient),
4040                            ),
4041                    )
4042                    .child(
4043                        h_flex()
4044                            .gap_1()
4045                            .visible_on_hover("edited-code")
4046                            .child(
4047                                Button::new("review", "Review")
4048                                    .label_size(LabelSize::Small)
4049                                    .on_click({
4050                                        let buffer = buffer.clone();
4051                                        cx.listener(move |this, _, window, cx| {
4052                                            this.open_edited_buffer(&buffer, window, cx);
4053                                        })
4054                                    }),
4055                            )
4056                            .child(Divider::vertical().color(DividerColor::BorderVariant))
4057                            .child(
4058                                Button::new("reject-file", "Reject")
4059                                    .label_size(LabelSize::Small)
4060                                    .disabled(pending_edits)
4061                                    .on_click({
4062                                        let buffer = buffer.clone();
4063                                        let action_log = action_log.clone();
4064                                        let telemetry = telemetry.clone();
4065                                        move |_, _, cx| {
4066                                            action_log.update(cx, |action_log, cx| {
4067                                                action_log
4068                                                    .reject_edits_in_ranges(
4069                                                        buffer.clone(),
4070                                                        vec![Anchor::MIN..Anchor::MAX],
4071                                                        Some(telemetry.clone()),
4072                                                        cx,
4073                                                    )
4074                                                    .detach_and_log_err(cx);
4075                                            })
4076                                        }
4077                                    }),
4078                            )
4079                            .child(
4080                                Button::new("keep-file", "Keep")
4081                                    .label_size(LabelSize::Small)
4082                                    .disabled(pending_edits)
4083                                    .on_click({
4084                                        let buffer = buffer.clone();
4085                                        let action_log = action_log.clone();
4086                                        let telemetry = telemetry.clone();
4087                                        move |_, _, cx| {
4088                                            action_log.update(cx, |action_log, cx| {
4089                                                action_log.keep_edits_in_range(
4090                                                    buffer.clone(),
4091                                                    Anchor::MIN..Anchor::MAX,
4092                                                    Some(telemetry.clone()),
4093                                                    cx,
4094                                                );
4095                                            })
4096                                        }
4097                                    }),
4098                            ),
4099                    );
4100
4101                Some(element)
4102            },
4103        ))
4104    }
4105
4106    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4107        let focus_handle = self.message_editor.focus_handle(cx);
4108        let editor_bg_color = cx.theme().colors().editor_background;
4109        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4110            (IconName::Minimize, "Minimize Message Editor")
4111        } else {
4112            (IconName::Maximize, "Expand Message Editor")
4113        };
4114
4115        let backdrop = div()
4116            .size_full()
4117            .absolute()
4118            .inset_0()
4119            .bg(cx.theme().colors().panel_background)
4120            .opacity(0.8)
4121            .block_mouse_except_scroll();
4122
4123        let enable_editor = match self.thread_state {
4124            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
4125            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
4126        };
4127
4128        v_flex()
4129            .on_action(cx.listener(Self::expand_message_editor))
4130            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
4131                if let Some(profile_selector) = this.profile_selector.as_ref() {
4132                    profile_selector.read(cx).menu_handle().toggle(window, cx);
4133                } else if let Some(mode_selector) = this.mode_selector() {
4134                    mode_selector.read(cx).menu_handle().toggle(window, cx);
4135                }
4136            }))
4137            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
4138                if let Some(mode_selector) = this.mode_selector() {
4139                    mode_selector.update(cx, |mode_selector, cx| {
4140                        mode_selector.cycle_mode(window, cx);
4141                    });
4142                }
4143            }))
4144            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
4145                if let Some(model_selector) = this.model_selector.as_ref() {
4146                    model_selector
4147                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
4148                }
4149            }))
4150            .p_2()
4151            .gap_2()
4152            .border_t_1()
4153            .border_color(cx.theme().colors().border)
4154            .bg(editor_bg_color)
4155            .when(self.editor_expanded, |this| {
4156                this.h(vh(0.8, window)).size_full().justify_between()
4157            })
4158            .child(
4159                v_flex()
4160                    .relative()
4161                    .size_full()
4162                    .pt_1()
4163                    .pr_2p5()
4164                    .child(self.message_editor.clone())
4165                    .child(
4166                        h_flex()
4167                            .absolute()
4168                            .top_0()
4169                            .right_0()
4170                            .opacity(0.5)
4171                            .hover(|this| this.opacity(1.0))
4172                            .child(
4173                                IconButton::new("toggle-height", expand_icon)
4174                                    .icon_size(IconSize::Small)
4175                                    .icon_color(Color::Muted)
4176                                    .tooltip({
4177                                        move |_window, cx| {
4178                                            Tooltip::for_action_in(
4179                                                expand_tooltip,
4180                                                &ExpandMessageEditor,
4181                                                &focus_handle,
4182                                                cx,
4183                                            )
4184                                        }
4185                                    })
4186                                    .on_click(cx.listener(|this, _, window, cx| {
4187                                        this.expand_message_editor(
4188                                            &ExpandMessageEditor,
4189                                            window,
4190                                            cx,
4191                                        );
4192                                    })),
4193                            ),
4194                    ),
4195            )
4196            .child(
4197                h_flex()
4198                    .flex_none()
4199                    .flex_wrap()
4200                    .justify_between()
4201                    .child(
4202                        h_flex()
4203                            .gap_0p5()
4204                            .child(self.render_add_context_button(cx))
4205                            .child(self.render_follow_toggle(cx))
4206                            .children(self.render_burn_mode_toggle(cx)),
4207                    )
4208                    .child(
4209                        h_flex()
4210                            .gap_1()
4211                            .children(self.render_token_usage(cx))
4212                            .children(self.profile_selector.clone())
4213                            .children(self.mode_selector().cloned())
4214                            .children(self.model_selector.clone())
4215                            .child(self.render_send_button(cx)),
4216                    ),
4217            )
4218            .when(!enable_editor, |this| this.child(backdrop))
4219            .into_any()
4220    }
4221
4222    pub(crate) fn as_native_connection(
4223        &self,
4224        cx: &App,
4225    ) -> Option<Rc<agent::NativeAgentConnection>> {
4226        let acp_thread = self.thread()?.read(cx);
4227        acp_thread.connection().clone().downcast()
4228    }
4229
4230    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4231        let acp_thread = self.thread()?.read(cx);
4232        self.as_native_connection(cx)?
4233            .thread(acp_thread.session_id(), cx)
4234    }
4235
4236    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4237        self.as_native_thread(cx)
4238            .and_then(|thread| thread.read(cx).model())
4239            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4240    }
4241
4242    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4243        let thread = self.thread()?.read(cx);
4244        let usage = thread.token_usage()?;
4245        let is_generating = thread.status() != ThreadStatus::Idle;
4246
4247        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4248        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4249
4250        Some(
4251            h_flex()
4252                .flex_shrink_0()
4253                .gap_0p5()
4254                .mr_1p5()
4255                .child(
4256                    Label::new(used)
4257                        .size(LabelSize::Small)
4258                        .color(Color::Muted)
4259                        .map(|label| {
4260                            if is_generating {
4261                                label
4262                                    .with_animation(
4263                                        "used-tokens-label",
4264                                        Animation::new(Duration::from_secs(2))
4265                                            .repeat()
4266                                            .with_easing(pulsating_between(0.3, 0.8)),
4267                                        |label, delta| label.alpha(delta),
4268                                    )
4269                                    .into_any()
4270                            } else {
4271                                label.into_any_element()
4272                            }
4273                        }),
4274                )
4275                .child(
4276                    Label::new("/")
4277                        .size(LabelSize::Small)
4278                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4279                )
4280                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4281        )
4282    }
4283
4284    fn toggle_burn_mode(
4285        &mut self,
4286        _: &ToggleBurnMode,
4287        _window: &mut Window,
4288        cx: &mut Context<Self>,
4289    ) {
4290        let Some(thread) = self.as_native_thread(cx) else {
4291            return;
4292        };
4293
4294        thread.update(cx, |thread, cx| {
4295            let current_mode = thread.completion_mode();
4296            thread.set_completion_mode(
4297                match current_mode {
4298                    CompletionMode::Burn => CompletionMode::Normal,
4299                    CompletionMode::Normal => CompletionMode::Burn,
4300                },
4301                cx,
4302            );
4303        });
4304    }
4305
4306    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4307        let Some(thread) = self.thread() else {
4308            return;
4309        };
4310        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4311        let action_log = thread.read(cx).action_log().clone();
4312        action_log.update(cx, |action_log, cx| {
4313            action_log.keep_all_edits(Some(telemetry), cx)
4314        });
4315    }
4316
4317    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4318        let Some(thread) = self.thread() else {
4319            return;
4320        };
4321        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4322        let action_log = thread.read(cx).action_log().clone();
4323        action_log
4324            .update(cx, |action_log, cx| {
4325                action_log.reject_all_edits(Some(telemetry), cx)
4326            })
4327            .detach();
4328    }
4329
4330    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4331        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4332    }
4333
4334    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4335        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4336    }
4337
4338    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4339        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4340    }
4341
4342    fn authorize_pending_tool_call(
4343        &mut self,
4344        kind: acp::PermissionOptionKind,
4345        window: &mut Window,
4346        cx: &mut Context<Self>,
4347    ) -> Option<()> {
4348        let thread = self.thread()?.read(cx);
4349        let tool_call = thread.first_tool_awaiting_confirmation()?;
4350        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4351            return None;
4352        };
4353        let option = options.iter().find(|o| o.kind == kind)?;
4354
4355        self.authorize_tool_call(
4356            tool_call.id.clone(),
4357            option.id.clone(),
4358            option.kind,
4359            window,
4360            cx,
4361        );
4362
4363        Some(())
4364    }
4365
4366    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4367        let thread = self.as_native_thread(cx)?.read(cx);
4368
4369        if thread
4370            .model()
4371            .is_none_or(|model| !model.supports_burn_mode())
4372        {
4373            return None;
4374        }
4375
4376        let active_completion_mode = thread.completion_mode();
4377        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4378        let icon = if burn_mode_enabled {
4379            IconName::ZedBurnModeOn
4380        } else {
4381            IconName::ZedBurnMode
4382        };
4383
4384        Some(
4385            IconButton::new("burn-mode", icon)
4386                .icon_size(IconSize::Small)
4387                .icon_color(Color::Muted)
4388                .toggle_state(burn_mode_enabled)
4389                .selected_icon_color(Color::Error)
4390                .on_click(cx.listener(|this, _event, window, cx| {
4391                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4392                }))
4393                .tooltip(move |_window, cx| {
4394                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4395                        .into()
4396                })
4397                .into_any_element(),
4398        )
4399    }
4400
4401    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4402        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4403        let is_generating = self
4404            .thread()
4405            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4406
4407        if self.is_loading_contents {
4408            div()
4409                .id("loading-message-content")
4410                .px_1()
4411                .tooltip(Tooltip::text("Loading Added Context…"))
4412                .child(loading_contents_spinner(IconSize::default()))
4413                .into_any_element()
4414        } else if is_generating && is_editor_empty {
4415            IconButton::new("stop-generation", IconName::Stop)
4416                .icon_color(Color::Error)
4417                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4418                .tooltip(move |_window, cx| {
4419                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4420                })
4421                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4422                .into_any_element()
4423        } else {
4424            let send_btn_tooltip = if is_editor_empty && !is_generating {
4425                "Type to Send"
4426            } else if is_generating {
4427                "Stop and Send Message"
4428            } else {
4429                "Send"
4430            };
4431
4432            IconButton::new("send-message", IconName::Send)
4433                .style(ButtonStyle::Filled)
4434                .map(|this| {
4435                    if is_editor_empty && !is_generating {
4436                        this.disabled(true).icon_color(Color::Muted)
4437                    } else {
4438                        this.icon_color(Color::Accent)
4439                    }
4440                })
4441                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4442                .on_click(cx.listener(|this, _, window, cx| {
4443                    this.send(window, cx);
4444                }))
4445                .into_any_element()
4446        }
4447    }
4448
4449    fn is_following(&self, cx: &App) -> bool {
4450        match self.thread().map(|thread| thread.read(cx).status()) {
4451            Some(ThreadStatus::Generating) => self
4452                .workspace
4453                .read_with(cx, |workspace, _| {
4454                    workspace.is_being_followed(CollaboratorId::Agent)
4455                })
4456                .unwrap_or(false),
4457            _ => self.should_be_following,
4458        }
4459    }
4460
4461    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4462        let following = self.is_following(cx);
4463
4464        self.should_be_following = !following;
4465        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4466            self.workspace
4467                .update(cx, |workspace, cx| {
4468                    if following {
4469                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4470                    } else {
4471                        workspace.follow(CollaboratorId::Agent, window, cx);
4472                    }
4473                })
4474                .ok();
4475        }
4476
4477        telemetry::event!("Follow Agent Selected", following = !following);
4478    }
4479
4480    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4481        let following = self.is_following(cx);
4482
4483        let tooltip_label = if following {
4484            if self.agent.name() == "Zed Agent" {
4485                format!("Stop Following the {}", self.agent.name())
4486            } else {
4487                format!("Stop Following {}", self.agent.name())
4488            }
4489        } else {
4490            if self.agent.name() == "Zed Agent" {
4491                format!("Follow the {}", self.agent.name())
4492            } else {
4493                format!("Follow {}", self.agent.name())
4494            }
4495        };
4496
4497        IconButton::new("follow-agent", IconName::Crosshair)
4498            .icon_size(IconSize::Small)
4499            .icon_color(Color::Muted)
4500            .toggle_state(following)
4501            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4502            .tooltip(move |_window, cx| {
4503                if following {
4504                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4505                } else {
4506                    Tooltip::with_meta(
4507                        tooltip_label.clone(),
4508                        Some(&Follow),
4509                        "Track the agent's location as it reads and edits files.",
4510                        cx,
4511                    )
4512                }
4513            })
4514            .on_click(cx.listener(move |this, _, window, cx| {
4515                this.toggle_following(window, cx);
4516            }))
4517    }
4518
4519    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4520        let message_editor = self.message_editor.clone();
4521        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
4522
4523        IconButton::new("add-context", IconName::AtSign)
4524            .icon_size(IconSize::Small)
4525            .icon_color(Color::Muted)
4526            .when(!menu_visible, |this| {
4527                this.tooltip(move |_window, cx| {
4528                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
4529                })
4530            })
4531            .on_click(cx.listener(move |_this, _, window, cx| {
4532                let message_editor_clone = message_editor.clone();
4533
4534                window.defer(cx, move |window, cx| {
4535                    message_editor_clone.update(cx, |message_editor, cx| {
4536                        message_editor.trigger_completion_menu(window, cx);
4537                    });
4538                });
4539            }))
4540    }
4541
4542    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4543        let workspace = self.workspace.clone();
4544        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4545            Self::open_link(text, &workspace, window, cx);
4546        })
4547    }
4548
4549    fn open_link(
4550        url: SharedString,
4551        workspace: &WeakEntity<Workspace>,
4552        window: &mut Window,
4553        cx: &mut App,
4554    ) {
4555        let Some(workspace) = workspace.upgrade() else {
4556            cx.open_url(&url);
4557            return;
4558        };
4559
4560        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4561        {
4562            workspace.update(cx, |workspace, cx| match mention {
4563                MentionUri::File { abs_path } => {
4564                    let project = workspace.project();
4565                    let Some(path) =
4566                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4567                    else {
4568                        return;
4569                    };
4570
4571                    workspace
4572                        .open_path(path, None, true, window, cx)
4573                        .detach_and_log_err(cx);
4574                }
4575                MentionUri::PastedImage => {}
4576                MentionUri::Directory { abs_path } => {
4577                    let project = workspace.project();
4578                    let Some(entry_id) = project.update(cx, |project, cx| {
4579                        let path = project.find_project_path(abs_path, cx)?;
4580                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4581                    }) else {
4582                        return;
4583                    };
4584
4585                    project.update(cx, |_, cx| {
4586                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4587                    });
4588                }
4589                MentionUri::Symbol {
4590                    abs_path: path,
4591                    line_range,
4592                    ..
4593                }
4594                | MentionUri::Selection {
4595                    abs_path: Some(path),
4596                    line_range,
4597                } => {
4598                    let project = workspace.project();
4599                    let Some(path) =
4600                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4601                    else {
4602                        return;
4603                    };
4604
4605                    let item = workspace.open_path(path, None, true, window, cx);
4606                    window
4607                        .spawn(cx, async move |cx| {
4608                            let Some(editor) = item.await?.downcast::<Editor>() else {
4609                                return Ok(());
4610                            };
4611                            let range = Point::new(*line_range.start(), 0)
4612                                ..Point::new(*line_range.start(), 0);
4613                            editor
4614                                .update_in(cx, |editor, window, cx| {
4615                                    editor.change_selections(
4616                                        SelectionEffects::scroll(Autoscroll::center()),
4617                                        window,
4618                                        cx,
4619                                        |s| s.select_ranges(vec![range]),
4620                                    );
4621                                })
4622                                .ok();
4623                            anyhow::Ok(())
4624                        })
4625                        .detach_and_log_err(cx);
4626                }
4627                MentionUri::Selection { abs_path: None, .. } => {}
4628                MentionUri::Thread { id, name } => {
4629                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4630                        panel.update(cx, |panel, cx| {
4631                            panel.load_agent_thread(
4632                                DbThreadMetadata {
4633                                    id,
4634                                    title: name.into(),
4635                                    updated_at: Default::default(),
4636                                },
4637                                window,
4638                                cx,
4639                            )
4640                        });
4641                    }
4642                }
4643                MentionUri::TextThread { path, .. } => {
4644                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4645                        panel.update(cx, |panel, cx| {
4646                            panel
4647                                .open_saved_text_thread(path.as_path().into(), window, cx)
4648                                .detach_and_log_err(cx);
4649                        });
4650                    }
4651                }
4652                MentionUri::Rule { id, .. } => {
4653                    let PromptId::User { uuid } = id else {
4654                        return;
4655                    };
4656                    window.dispatch_action(
4657                        Box::new(OpenRulesLibrary {
4658                            prompt_to_select: Some(uuid.0),
4659                        }),
4660                        cx,
4661                    )
4662                }
4663                MentionUri::Fetch { url } => {
4664                    cx.open_url(url.as_str());
4665                }
4666            })
4667        } else {
4668            cx.open_url(&url);
4669        }
4670    }
4671
4672    fn open_tool_call_location(
4673        &self,
4674        entry_ix: usize,
4675        location_ix: usize,
4676        window: &mut Window,
4677        cx: &mut Context<Self>,
4678    ) -> Option<()> {
4679        let (tool_call_location, agent_location) = self
4680            .thread()?
4681            .read(cx)
4682            .entries()
4683            .get(entry_ix)?
4684            .location(location_ix)?;
4685
4686        let project_path = self
4687            .project
4688            .read(cx)
4689            .find_project_path(&tool_call_location.path, cx)?;
4690
4691        let open_task = self
4692            .workspace
4693            .update(cx, |workspace, cx| {
4694                workspace.open_path(project_path, None, true, window, cx)
4695            })
4696            .log_err()?;
4697        window
4698            .spawn(cx, async move |cx| {
4699                let item = open_task.await?;
4700
4701                let Some(active_editor) = item.downcast::<Editor>() else {
4702                    return anyhow::Ok(());
4703                };
4704
4705                active_editor.update_in(cx, |editor, window, cx| {
4706                    let multibuffer = editor.buffer().read(cx);
4707                    let buffer = multibuffer.as_singleton();
4708                    if agent_location.buffer.upgrade() == buffer {
4709                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4710                        let anchor = editor::Anchor::in_buffer(
4711                            excerpt_id.unwrap(),
4712                            buffer.unwrap().read(cx).remote_id(),
4713                            agent_location.position,
4714                        );
4715                        editor.change_selections(Default::default(), window, cx, |selections| {
4716                            selections.select_anchor_ranges([anchor..anchor]);
4717                        })
4718                    } else {
4719                        let row = tool_call_location.line.unwrap_or_default();
4720                        editor.change_selections(Default::default(), window, cx, |selections| {
4721                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4722                        })
4723                    }
4724                })?;
4725
4726                anyhow::Ok(())
4727            })
4728            .detach_and_log_err(cx);
4729
4730        None
4731    }
4732
4733    pub fn open_thread_as_markdown(
4734        &self,
4735        workspace: Entity<Workspace>,
4736        window: &mut Window,
4737        cx: &mut App,
4738    ) -> Task<Result<()>> {
4739        let markdown_language_task = workspace
4740            .read(cx)
4741            .app_state()
4742            .languages
4743            .language_for_name("Markdown");
4744
4745        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4746            let thread = thread.read(cx);
4747            (thread.title().to_string(), thread.to_markdown(cx))
4748        } else {
4749            return Task::ready(Ok(()));
4750        };
4751
4752        let project = workspace.read(cx).project().clone();
4753        window.spawn(cx, async move |cx| {
4754            let markdown_language = markdown_language_task.await?;
4755
4756            let buffer = project
4757                .update(cx, |project, cx| project.create_buffer(false, cx))?
4758                .await?;
4759
4760            buffer.update(cx, |buffer, cx| {
4761                buffer.set_text(markdown, cx);
4762                buffer.set_language(Some(markdown_language), cx);
4763                buffer.set_capability(language::Capability::ReadOnly, cx);
4764            })?;
4765
4766            workspace.update_in(cx, |workspace, window, cx| {
4767                let buffer = cx
4768                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4769
4770                workspace.add_item_to_active_pane(
4771                    Box::new(cx.new(|cx| {
4772                        let mut editor =
4773                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4774                        editor.set_breadcrumb_header(thread_title);
4775                        editor
4776                    })),
4777                    None,
4778                    true,
4779                    window,
4780                    cx,
4781                );
4782            })?;
4783            anyhow::Ok(())
4784        })
4785    }
4786
4787    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4788        self.list_state.scroll_to(ListOffset::default());
4789        cx.notify();
4790    }
4791
4792    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4793        if let Some(thread) = self.thread() {
4794            let entry_count = thread.read(cx).entries().len();
4795            self.list_state.reset(entry_count);
4796            cx.notify();
4797        }
4798    }
4799
4800    fn notify_with_sound(
4801        &mut self,
4802        caption: impl Into<SharedString>,
4803        icon: IconName,
4804        window: &mut Window,
4805        cx: &mut Context<Self>,
4806    ) {
4807        self.play_notification_sound(window, cx);
4808        self.show_notification(caption, icon, window, cx);
4809    }
4810
4811    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4812        let settings = AgentSettings::get_global(cx);
4813        if settings.play_sound_when_agent_done && !window.is_window_active() {
4814            Audio::play_sound(Sound::AgentDone, cx);
4815        }
4816    }
4817
4818    fn show_notification(
4819        &mut self,
4820        caption: impl Into<SharedString>,
4821        icon: IconName,
4822        window: &mut Window,
4823        cx: &mut Context<Self>,
4824    ) {
4825        if !self.notifications.is_empty() {
4826            return;
4827        }
4828
4829        let settings = AgentSettings::get_global(cx);
4830
4831        let window_is_inactive = !window.is_window_active();
4832        let panel_is_hidden = self
4833            .workspace
4834            .upgrade()
4835            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4836            .unwrap_or(true);
4837
4838        let should_notify = window_is_inactive || panel_is_hidden;
4839
4840        if !should_notify {
4841            return;
4842        }
4843
4844        // TODO: Change this once we have title summarization for external agents.
4845        let title = self.agent.name();
4846
4847        match settings.notify_when_agent_waiting {
4848            NotifyWhenAgentWaiting::PrimaryScreen => {
4849                if let Some(primary) = cx.primary_display() {
4850                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4851                }
4852            }
4853            NotifyWhenAgentWaiting::AllScreens => {
4854                let caption = caption.into();
4855                for screen in cx.displays() {
4856                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4857                }
4858            }
4859            NotifyWhenAgentWaiting::Never => {
4860                // Don't show anything
4861            }
4862        }
4863    }
4864
4865    fn pop_up(
4866        &mut self,
4867        icon: IconName,
4868        caption: SharedString,
4869        title: SharedString,
4870        window: &mut Window,
4871        screen: Rc<dyn PlatformDisplay>,
4872        cx: &mut Context<Self>,
4873    ) {
4874        let options = AgentNotification::window_options(screen, cx);
4875
4876        let project_name = self.workspace.upgrade().and_then(|workspace| {
4877            workspace
4878                .read(cx)
4879                .project()
4880                .read(cx)
4881                .visible_worktrees(cx)
4882                .next()
4883                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4884        });
4885
4886        if let Some(screen_window) = cx
4887            .open_window(options, |_, cx| {
4888                cx.new(|_| {
4889                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4890                })
4891            })
4892            .log_err()
4893            && let Some(pop_up) = screen_window.entity(cx).log_err()
4894        {
4895            self.notification_subscriptions
4896                .entry(screen_window)
4897                .or_insert_with(Vec::new)
4898                .push(cx.subscribe_in(&pop_up, window, {
4899                    |this, _, event, window, cx| match event {
4900                        AgentNotificationEvent::Accepted => {
4901                            let handle = window.window_handle();
4902                            cx.activate(true);
4903
4904                            let workspace_handle = this.workspace.clone();
4905
4906                            // If there are multiple Zed windows, activate the correct one.
4907                            cx.defer(move |cx| {
4908                                handle
4909                                    .update(cx, |_view, window, _cx| {
4910                                        window.activate_window();
4911
4912                                        if let Some(workspace) = workspace_handle.upgrade() {
4913                                            workspace.update(_cx, |workspace, cx| {
4914                                                workspace.focus_panel::<AgentPanel>(window, cx);
4915                                            });
4916                                        }
4917                                    })
4918                                    .log_err();
4919                            });
4920
4921                            this.dismiss_notifications(cx);
4922                        }
4923                        AgentNotificationEvent::Dismissed => {
4924                            this.dismiss_notifications(cx);
4925                        }
4926                    }
4927                }));
4928
4929            self.notifications.push(screen_window);
4930
4931            // If the user manually refocuses the original window, dismiss the popup.
4932            self.notification_subscriptions
4933                .entry(screen_window)
4934                .or_insert_with(Vec::new)
4935                .push({
4936                    let pop_up_weak = pop_up.downgrade();
4937
4938                    cx.observe_window_activation(window, move |_, window, cx| {
4939                        if window.is_window_active()
4940                            && let Some(pop_up) = pop_up_weak.upgrade()
4941                        {
4942                            pop_up.update(cx, |_, cx| {
4943                                cx.emit(AgentNotificationEvent::Dismissed);
4944                            });
4945                        }
4946                    })
4947                });
4948        }
4949    }
4950
4951    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4952        for window in self.notifications.drain(..) {
4953            window
4954                .update(cx, |_, window, _| {
4955                    window.remove_window();
4956                })
4957                .ok();
4958
4959            self.notification_subscriptions.remove(&window);
4960        }
4961    }
4962
4963    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
4964        h_flex()
4965            .id("generating-spinner")
4966            .py_2()
4967            .px(rems_from_px(22.))
4968            .map(|this| {
4969                if confirmation {
4970                    this.gap_2()
4971                        .child(
4972                            h_flex()
4973                                .w_2()
4974                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
4975                        )
4976                        .child(
4977                            LoadingLabel::new("Waiting Confirmation")
4978                                .size(LabelSize::Small)
4979                                .color(Color::Muted),
4980                        )
4981                } else {
4982                    this.child(SpinnerLabel::new().size(LabelSize::Small))
4983                }
4984            })
4985            .into_any_element()
4986    }
4987
4988    fn render_thread_controls(
4989        &self,
4990        thread: &Entity<AcpThread>,
4991        cx: &Context<Self>,
4992    ) -> impl IntoElement {
4993        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4994        if is_generating {
4995            return self.render_generating(false).into_any_element();
4996        }
4997
4998        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4999            .shape(ui::IconButtonShape::Square)
5000            .icon_size(IconSize::Small)
5001            .icon_color(Color::Ignored)
5002            .tooltip(Tooltip::text("Open Thread as Markdown"))
5003            .on_click(cx.listener(move |this, _, window, cx| {
5004                if let Some(workspace) = this.workspace.upgrade() {
5005                    this.open_thread_as_markdown(workspace, window, cx)
5006                        .detach_and_log_err(cx);
5007                }
5008            }));
5009
5010        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5011            .shape(ui::IconButtonShape::Square)
5012            .icon_size(IconSize::Small)
5013            .icon_color(Color::Ignored)
5014            .tooltip(Tooltip::text("Scroll To Top"))
5015            .on_click(cx.listener(move |this, _, _, cx| {
5016                this.scroll_to_top(cx);
5017            }));
5018
5019        let mut container = h_flex()
5020            .id("thread-controls-container")
5021            .group("thread-controls-container")
5022            .w_full()
5023            .py_2()
5024            .px_5()
5025            .gap_px()
5026            .opacity(0.6)
5027            .hover(|style| style.opacity(1.))
5028            .flex_wrap()
5029            .justify_end();
5030
5031        if AgentSettings::get_global(cx).enable_feedback
5032            && self
5033                .thread()
5034                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5035        {
5036            let feedback = self.thread_feedback.feedback;
5037
5038            container = container
5039                .child(
5040                    div().visible_on_hover("thread-controls-container").child(
5041                        Label::new(match feedback {
5042                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
5043                            Some(ThreadFeedback::Negative) => {
5044                                "We appreciate your feedback and will use it to improve."
5045                            }
5046                            None => {
5047                                "Rating the thread sends all of your current conversation to the Zed team."
5048                            }
5049                        })
5050                        .color(Color::Muted)
5051                        .size(LabelSize::XSmall)
5052                        .truncate(),
5053                    ),
5054                )
5055                .child(
5056                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5057                        .shape(ui::IconButtonShape::Square)
5058                        .icon_size(IconSize::Small)
5059                        .icon_color(match feedback {
5060                            Some(ThreadFeedback::Positive) => Color::Accent,
5061                            _ => Color::Ignored,
5062                        })
5063                        .tooltip(Tooltip::text("Helpful Response"))
5064                        .on_click(cx.listener(move |this, _, window, cx| {
5065                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5066                        })),
5067                )
5068                .child(
5069                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5070                        .shape(ui::IconButtonShape::Square)
5071                        .icon_size(IconSize::Small)
5072                        .icon_color(match feedback {
5073                            Some(ThreadFeedback::Negative) => Color::Accent,
5074                            _ => Color::Ignored,
5075                        })
5076                        .tooltip(Tooltip::text("Not Helpful"))
5077                        .on_click(cx.listener(move |this, _, window, cx| {
5078                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5079                        })),
5080                );
5081        }
5082
5083        container
5084            .child(open_as_markdown)
5085            .child(scroll_to_top)
5086            .into_any_element()
5087    }
5088
5089    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5090        h_flex()
5091            .key_context("AgentFeedbackMessageEditor")
5092            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5093                this.thread_feedback.dismiss_comments();
5094                cx.notify();
5095            }))
5096            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5097                this.submit_feedback_message(cx);
5098            }))
5099            .p_2()
5100            .mb_2()
5101            .mx_5()
5102            .gap_1()
5103            .rounded_md()
5104            .border_1()
5105            .border_color(cx.theme().colors().border)
5106            .bg(cx.theme().colors().editor_background)
5107            .child(div().w_full().child(editor))
5108            .child(
5109                h_flex()
5110                    .child(
5111                        IconButton::new("dismiss-feedback-message", IconName::Close)
5112                            .icon_color(Color::Error)
5113                            .icon_size(IconSize::XSmall)
5114                            .shape(ui::IconButtonShape::Square)
5115                            .on_click(cx.listener(move |this, _, _window, cx| {
5116                                this.thread_feedback.dismiss_comments();
5117                                cx.notify();
5118                            })),
5119                    )
5120                    .child(
5121                        IconButton::new("submit-feedback-message", IconName::Return)
5122                            .icon_size(IconSize::XSmall)
5123                            .shape(ui::IconButtonShape::Square)
5124                            .on_click(cx.listener(move |this, _, _window, cx| {
5125                                this.submit_feedback_message(cx);
5126                            })),
5127                    ),
5128            )
5129    }
5130
5131    fn handle_feedback_click(
5132        &mut self,
5133        feedback: ThreadFeedback,
5134        window: &mut Window,
5135        cx: &mut Context<Self>,
5136    ) {
5137        let Some(thread) = self.thread().cloned() else {
5138            return;
5139        };
5140
5141        self.thread_feedback.submit(thread, feedback, window, cx);
5142        cx.notify();
5143    }
5144
5145    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5146        let Some(thread) = self.thread().cloned() else {
5147            return;
5148        };
5149
5150        self.thread_feedback.submit_comments(thread, cx);
5151        cx.notify();
5152    }
5153
5154    fn render_token_limit_callout(
5155        &self,
5156        line_height: Pixels,
5157        cx: &mut Context<Self>,
5158    ) -> Option<Callout> {
5159        let token_usage = self.thread()?.read(cx).token_usage()?;
5160        let ratio = token_usage.ratio();
5161
5162        let (severity, title) = match ratio {
5163            acp_thread::TokenUsageRatio::Normal => return None,
5164            acp_thread::TokenUsageRatio::Warning => {
5165                (Severity::Warning, "Thread reaching the token limit soon")
5166            }
5167            acp_thread::TokenUsageRatio::Exceeded => {
5168                (Severity::Error, "Thread reached the token limit")
5169            }
5170        };
5171
5172        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5173            thread.read(cx).completion_mode() == CompletionMode::Normal
5174                && thread
5175                    .read(cx)
5176                    .model()
5177                    .is_some_and(|model| model.supports_burn_mode())
5178        });
5179
5180        let description = if burn_mode_available {
5181            "To continue, start a new thread from a summary or turn Burn Mode on."
5182        } else {
5183            "To continue, start a new thread from a summary."
5184        };
5185
5186        Some(
5187            Callout::new()
5188                .severity(severity)
5189                .line_height(line_height)
5190                .title(title)
5191                .description(description)
5192                .actions_slot(
5193                    h_flex()
5194                        .gap_0p5()
5195                        .child(
5196                            Button::new("start-new-thread", "Start New Thread")
5197                                .label_size(LabelSize::Small)
5198                                .on_click(cx.listener(|this, _, window, cx| {
5199                                    let Some(thread) = this.thread() else {
5200                                        return;
5201                                    };
5202                                    let session_id = thread.read(cx).session_id().clone();
5203                                    window.dispatch_action(
5204                                        crate::NewNativeAgentThreadFromSummary {
5205                                            from_session_id: session_id,
5206                                        }
5207                                        .boxed_clone(),
5208                                        cx,
5209                                    );
5210                                })),
5211                        )
5212                        .when(burn_mode_available, |this| {
5213                            this.child(
5214                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5215                                    .icon_size(IconSize::XSmall)
5216                                    .on_click(cx.listener(|this, _event, window, cx| {
5217                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5218                                    })),
5219                            )
5220                        }),
5221                ),
5222        )
5223    }
5224
5225    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5226        if !self.is_using_zed_ai_models(cx) {
5227            return None;
5228        }
5229
5230        let user_store = self.project.read(cx).user_store().read(cx);
5231        if user_store.is_usage_based_billing_enabled() {
5232            return None;
5233        }
5234
5235        let plan = user_store
5236            .plan()
5237            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5238
5239        let usage = user_store.model_request_usage()?;
5240
5241        Some(
5242            div()
5243                .child(UsageCallout::new(plan, usage))
5244                .line_height(line_height),
5245        )
5246    }
5247
5248    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5249        self.entry_view_state.update(cx, |entry_view_state, cx| {
5250            entry_view_state.agent_ui_font_size_changed(cx);
5251        });
5252    }
5253
5254    pub(crate) fn insert_dragged_files(
5255        &self,
5256        paths: Vec<project::ProjectPath>,
5257        added_worktrees: Vec<Entity<project::Worktree>>,
5258        window: &mut Window,
5259        cx: &mut Context<Self>,
5260    ) {
5261        self.message_editor.update(cx, |message_editor, cx| {
5262            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5263        })
5264    }
5265
5266    /// Inserts the selected text into the message editor or the message being
5267    /// edited, if any.
5268    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5269        self.active_editor(cx).update(cx, |editor, cx| {
5270            editor.insert_selections(window, cx);
5271        });
5272    }
5273
5274    fn render_thread_retry_status_callout(
5275        &self,
5276        _window: &mut Window,
5277        _cx: &mut Context<Self>,
5278    ) -> Option<Callout> {
5279        let state = self.thread_retry_status.as_ref()?;
5280
5281        let next_attempt_in = state
5282            .duration
5283            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5284        if next_attempt_in.is_zero() {
5285            return None;
5286        }
5287
5288        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5289
5290        let retry_message = if state.max_attempts == 1 {
5291            if next_attempt_in_secs == 1 {
5292                "Retrying. Next attempt in 1 second.".to_string()
5293            } else {
5294                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5295            }
5296        } else if next_attempt_in_secs == 1 {
5297            format!(
5298                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5299                state.attempt, state.max_attempts,
5300            )
5301        } else {
5302            format!(
5303                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5304                state.attempt, state.max_attempts,
5305            )
5306        };
5307
5308        Some(
5309            Callout::new()
5310                .severity(Severity::Warning)
5311                .title(state.last_error.clone())
5312                .description(retry_message),
5313        )
5314    }
5315
5316    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5317        if self.show_codex_windows_warning {
5318            Some(
5319                Callout::new()
5320                    .icon(IconName::Warning)
5321                    .severity(Severity::Warning)
5322                    .title("Codex on Windows")
5323                    .description(
5324                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5325                    )
5326                    .actions_slot(
5327                        Button::new("open-wsl-modal", "Open in WSL")
5328                            .icon_size(IconSize::Small)
5329                            .icon_color(Color::Muted)
5330                            .on_click(cx.listener({
5331                                move |_, _, _window, cx| {
5332                                    #[cfg(windows)]
5333                                    _window.dispatch_action(
5334                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5335                                        cx,
5336                                    );
5337                                    cx.notify();
5338                                }
5339                            })),
5340                    )
5341                    .dismiss_action(
5342                        IconButton::new("dismiss", IconName::Close)
5343                            .icon_size(IconSize::Small)
5344                            .icon_color(Color::Muted)
5345                            .tooltip(Tooltip::text("Dismiss Warning"))
5346                            .on_click(cx.listener({
5347                                move |this, _, _, cx| {
5348                                    this.show_codex_windows_warning = false;
5349                                    cx.notify();
5350                                }
5351                            })),
5352                    ),
5353            )
5354        } else {
5355            None
5356        }
5357    }
5358
5359    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5360        let content = match self.thread_error.as_ref()? {
5361            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
5362            ThreadError::Refusal => self.render_refusal_error(cx),
5363            ThreadError::AuthenticationRequired(error) => {
5364                self.render_authentication_required_error(error.clone(), cx)
5365            }
5366            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5367            ThreadError::ModelRequestLimitReached(plan) => {
5368                self.render_model_request_limit_reached_error(*plan, cx)
5369            }
5370            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5371        };
5372
5373        Some(div().child(content))
5374    }
5375
5376    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5377        v_flex().w_full().justify_end().child(
5378            h_flex()
5379                .p_2()
5380                .pr_3()
5381                .w_full()
5382                .gap_1p5()
5383                .border_t_1()
5384                .border_color(cx.theme().colors().border)
5385                .bg(cx.theme().colors().element_background)
5386                .child(
5387                    h_flex()
5388                        .flex_1()
5389                        .gap_1p5()
5390                        .child(
5391                            Icon::new(IconName::Download)
5392                                .color(Color::Accent)
5393                                .size(IconSize::Small),
5394                        )
5395                        .child(Label::new("New version available").size(LabelSize::Small)),
5396                )
5397                .child(
5398                    Button::new("update-button", format!("Update to v{}", version))
5399                        .label_size(LabelSize::Small)
5400                        .style(ButtonStyle::Tinted(TintColor::Accent))
5401                        .on_click(cx.listener(|this, _, window, cx| {
5402                            this.reset(window, cx);
5403                        })),
5404                ),
5405        )
5406    }
5407
5408    fn current_model_id(&self, cx: &App) -> Option<String> {
5409        self.model_selector
5410            .as_ref()
5411            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5412    }
5413
5414    fn current_model_name(&self, cx: &App) -> SharedString {
5415        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5416        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5417        // This provides better clarity about what refused the request
5418        if self.as_native_connection(cx).is_some() {
5419            self.model_selector
5420                .as_ref()
5421                .and_then(|selector| selector.read(cx).active_model(cx))
5422                .map(|model| model.name.clone())
5423                .unwrap_or_else(|| SharedString::from("The model"))
5424        } else {
5425            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5426            self.agent.name()
5427        }
5428    }
5429
5430    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5431        let model_or_agent_name = self.current_model_name(cx);
5432        let refusal_message = format!(
5433            "{} 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.",
5434            model_or_agent_name
5435        );
5436
5437        Callout::new()
5438            .severity(Severity::Error)
5439            .title("Request Refused")
5440            .icon(IconName::XCircle)
5441            .description(refusal_message.clone())
5442            .actions_slot(self.create_copy_button(&refusal_message))
5443            .dismiss_action(self.dismiss_error_button(cx))
5444    }
5445
5446    fn render_any_thread_error(
5447        &mut self,
5448        error: SharedString,
5449        window: &mut Window,
5450        cx: &mut Context<'_, Self>,
5451    ) -> Callout {
5452        let can_resume = self
5453            .thread()
5454            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5455
5456        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5457            let thread = thread.read(cx);
5458            let supports_burn_mode = thread
5459                .model()
5460                .map_or(false, |model| model.supports_burn_mode());
5461            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5462        });
5463
5464        let markdown = if let Some(markdown) = &self.thread_error_markdown {
5465            markdown.clone()
5466        } else {
5467            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
5468            self.thread_error_markdown = Some(markdown.clone());
5469            markdown
5470        };
5471
5472        let markdown_style = default_markdown_style(false, true, window, cx);
5473        let description = self
5474            .render_markdown(markdown, markdown_style)
5475            .into_any_element();
5476
5477        Callout::new()
5478            .severity(Severity::Error)
5479            .icon(IconName::XCircle)
5480            .title("An Error Happened")
5481            .description_slot(description)
5482            .actions_slot(
5483                h_flex()
5484                    .gap_0p5()
5485                    .when(can_resume && can_enable_burn_mode, |this| {
5486                        this.child(
5487                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5488                                .icon(IconName::ZedBurnMode)
5489                                .icon_position(IconPosition::Start)
5490                                .icon_size(IconSize::Small)
5491                                .label_size(LabelSize::Small)
5492                                .on_click(cx.listener(|this, _, window, cx| {
5493                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5494                                    this.resume_chat(cx);
5495                                })),
5496                        )
5497                    })
5498                    .when(can_resume, |this| {
5499                        this.child(
5500                            IconButton::new("retry", IconName::RotateCw)
5501                                .icon_size(IconSize::Small)
5502                                .tooltip(Tooltip::text("Retry Generation"))
5503                                .on_click(cx.listener(|this, _, _window, cx| {
5504                                    this.resume_chat(cx);
5505                                })),
5506                        )
5507                    })
5508                    .child(self.create_copy_button(error.to_string())),
5509            )
5510            .dismiss_action(self.dismiss_error_button(cx))
5511    }
5512
5513    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5514        const ERROR_MESSAGE: &str =
5515            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5516
5517        Callout::new()
5518            .severity(Severity::Error)
5519            .icon(IconName::XCircle)
5520            .title("Free Usage Exceeded")
5521            .description(ERROR_MESSAGE)
5522            .actions_slot(
5523                h_flex()
5524                    .gap_0p5()
5525                    .child(self.upgrade_button(cx))
5526                    .child(self.create_copy_button(ERROR_MESSAGE)),
5527            )
5528            .dismiss_action(self.dismiss_error_button(cx))
5529    }
5530
5531    fn render_authentication_required_error(
5532        &self,
5533        error: SharedString,
5534        cx: &mut Context<Self>,
5535    ) -> Callout {
5536        Callout::new()
5537            .severity(Severity::Error)
5538            .title("Authentication Required")
5539            .icon(IconName::XCircle)
5540            .description(error.clone())
5541            .actions_slot(
5542                h_flex()
5543                    .gap_0p5()
5544                    .child(self.authenticate_button(cx))
5545                    .child(self.create_copy_button(error)),
5546            )
5547            .dismiss_action(self.dismiss_error_button(cx))
5548    }
5549
5550    fn render_model_request_limit_reached_error(
5551        &self,
5552        plan: cloud_llm_client::Plan,
5553        cx: &mut Context<Self>,
5554    ) -> Callout {
5555        let error_message = match plan {
5556            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5557                "Upgrade to usage-based billing for more prompts."
5558            }
5559            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5560            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5561            cloud_llm_client::Plan::V2(_) => "",
5562        };
5563
5564        Callout::new()
5565            .severity(Severity::Error)
5566            .title("Model Prompt Limit Reached")
5567            .icon(IconName::XCircle)
5568            .description(error_message)
5569            .actions_slot(
5570                h_flex()
5571                    .gap_0p5()
5572                    .child(self.upgrade_button(cx))
5573                    .child(self.create_copy_button(error_message)),
5574            )
5575            .dismiss_action(self.dismiss_error_button(cx))
5576    }
5577
5578    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5579        let thread = self.as_native_thread(cx)?;
5580        let supports_burn_mode = thread
5581            .read(cx)
5582            .model()
5583            .is_some_and(|model| model.supports_burn_mode());
5584
5585        let focus_handle = self.focus_handle(cx);
5586
5587        Some(
5588            Callout::new()
5589                .icon(IconName::Info)
5590                .title("Consecutive tool use limit reached.")
5591                .actions_slot(
5592                    h_flex()
5593                        .gap_0p5()
5594                        .when(supports_burn_mode, |this| {
5595                            this.child(
5596                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5597                                    .style(ButtonStyle::Filled)
5598                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5599                                    .layer(ElevationIndex::ModalSurface)
5600                                    .label_size(LabelSize::Small)
5601                                    .key_binding(
5602                                        KeyBinding::for_action_in(
5603                                            &ContinueWithBurnMode,
5604                                            &focus_handle,
5605                                            cx,
5606                                        )
5607                                        .map(|kb| kb.size(rems_from_px(10.))),
5608                                    )
5609                                    .tooltip(Tooltip::text(
5610                                        "Enable Burn Mode for unlimited tool use.",
5611                                    ))
5612                                    .on_click({
5613                                        cx.listener(move |this, _, _window, cx| {
5614                                            thread.update(cx, |thread, cx| {
5615                                                thread
5616                                                    .set_completion_mode(CompletionMode::Burn, cx);
5617                                            });
5618                                            this.resume_chat(cx);
5619                                        })
5620                                    }),
5621                            )
5622                        })
5623                        .child(
5624                            Button::new("continue-conversation", "Continue")
5625                                .layer(ElevationIndex::ModalSurface)
5626                                .label_size(LabelSize::Small)
5627                                .key_binding(
5628                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5629                                        .map(|kb| kb.size(rems_from_px(10.))),
5630                                )
5631                                .on_click(cx.listener(|this, _, _window, cx| {
5632                                    this.resume_chat(cx);
5633                                })),
5634                        ),
5635                ),
5636        )
5637    }
5638
5639    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5640        let message = message.into();
5641
5642        IconButton::new("copy", IconName::Copy)
5643            .icon_size(IconSize::Small)
5644            .tooltip(Tooltip::text("Copy Error Message"))
5645            .on_click(move |_, _, cx| {
5646                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5647            })
5648    }
5649
5650    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5651        IconButton::new("dismiss", IconName::Close)
5652            .icon_size(IconSize::Small)
5653            .tooltip(Tooltip::text("Dismiss Error"))
5654            .on_click(cx.listener({
5655                move |this, _, _, cx| {
5656                    this.clear_thread_error(cx);
5657                    cx.notify();
5658                }
5659            }))
5660    }
5661
5662    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5663        Button::new("authenticate", "Authenticate")
5664            .label_size(LabelSize::Small)
5665            .style(ButtonStyle::Filled)
5666            .on_click(cx.listener({
5667                move |this, _, window, cx| {
5668                    let agent = this.agent.clone();
5669                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5670                        return;
5671                    };
5672
5673                    let connection = thread.read(cx).connection().clone();
5674                    let err = AuthRequired {
5675                        description: None,
5676                        provider_id: None,
5677                    };
5678                    this.clear_thread_error(cx);
5679                    let this = cx.weak_entity();
5680                    window.defer(cx, |window, cx| {
5681                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5682                    })
5683                }
5684            }))
5685    }
5686
5687    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5688        let agent = self.agent.clone();
5689        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5690            return;
5691        };
5692
5693        let connection = thread.read(cx).connection().clone();
5694        let err = AuthRequired {
5695            description: None,
5696            provider_id: None,
5697        };
5698        self.clear_thread_error(cx);
5699        let this = cx.weak_entity();
5700        window.defer(cx, |window, cx| {
5701            Self::handle_auth_required(this, err, agent, connection, window, cx);
5702        })
5703    }
5704
5705    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5706        Button::new("upgrade", "Upgrade")
5707            .label_size(LabelSize::Small)
5708            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5709            .on_click(cx.listener({
5710                move |this, _, _, cx| {
5711                    this.clear_thread_error(cx);
5712                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5713                }
5714            }))
5715    }
5716
5717    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5718        let task = match entry {
5719            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5720                history.delete_thread(thread.id.clone(), cx)
5721            }),
5722            HistoryEntry::TextThread(text_thread) => {
5723                self.history_store.update(cx, |history, cx| {
5724                    history.delete_text_thread(text_thread.path.clone(), cx)
5725                })
5726            }
5727        };
5728        task.detach_and_log_err(cx);
5729    }
5730
5731    /// Returns the currently active editor, either for a message that is being
5732    /// edited or the editor for a new message.
5733    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5734        if let Some(index) = self.editing_message
5735            && let Some(editor) = self
5736                .entry_view_state
5737                .read(cx)
5738                .entry(index)
5739                .and_then(|e| e.message_editor())
5740                .cloned()
5741        {
5742            editor
5743        } else {
5744            self.message_editor.clone()
5745        }
5746    }
5747}
5748
5749fn loading_contents_spinner(size: IconSize) -> AnyElement {
5750    Icon::new(IconName::LoadCircle)
5751        .size(size)
5752        .color(Color::Accent)
5753        .with_rotate_animation(3)
5754        .into_any_element()
5755}
5756
5757fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
5758    if agent_name == "Zed Agent" {
5759        format!("Message the {} — @ to include context", agent_name)
5760    } else if has_commands {
5761        format!(
5762            "Message {} — @ to include context, / for commands",
5763            agent_name
5764        )
5765    } else {
5766        format!("Message {} — @ to include context", agent_name)
5767    }
5768}
5769
5770impl Focusable for AcpThreadView {
5771    fn focus_handle(&self, cx: &App) -> FocusHandle {
5772        match self.thread_state {
5773            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5774                self.active_editor(cx).focus_handle(cx)
5775            }
5776            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5777                self.focus_handle.clone()
5778            }
5779        }
5780    }
5781}
5782
5783impl Render for AcpThreadView {
5784    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5785        let has_messages = self.list_state.item_count() > 0;
5786        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5787
5788        v_flex()
5789            .size_full()
5790            .key_context("AcpThread")
5791            .on_action(cx.listener(Self::toggle_burn_mode))
5792            .on_action(cx.listener(Self::keep_all))
5793            .on_action(cx.listener(Self::reject_all))
5794            .on_action(cx.listener(Self::allow_always))
5795            .on_action(cx.listener(Self::allow_once))
5796            .on_action(cx.listener(Self::reject_once))
5797            .track_focus(&self.focus_handle)
5798            .bg(cx.theme().colors().panel_background)
5799            .child(match &self.thread_state {
5800                ThreadState::Unauthenticated {
5801                    connection,
5802                    description,
5803                    configuration_view,
5804                    pending_auth_method,
5805                    ..
5806                } => self
5807                    .render_auth_required_state(
5808                        connection,
5809                        description.as_ref(),
5810                        configuration_view.as_ref(),
5811                        pending_auth_method.as_ref(),
5812                        window,
5813                        cx,
5814                    )
5815                    .into_any(),
5816                ThreadState::Loading { .. } => v_flex()
5817                    .flex_1()
5818                    .child(self.render_recent_history(cx))
5819                    .into_any(),
5820                ThreadState::LoadError(e) => v_flex()
5821                    .flex_1()
5822                    .size_full()
5823                    .items_center()
5824                    .justify_end()
5825                    .child(self.render_load_error(e, window, cx))
5826                    .into_any(),
5827                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5828                    if has_messages {
5829                        this.child(
5830                            list(
5831                                self.list_state.clone(),
5832                                cx.processor(|this, index: usize, window, cx| {
5833                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5834                                        let entries = &thread.read(cx).entries();
5835                                        Some((entries.get(index)?, entries.len()))
5836                                    }) else {
5837                                        return Empty.into_any();
5838                                    };
5839                                    this.render_entry(index, len, entry, window, cx)
5840                                }),
5841                            )
5842                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5843                            .flex_grow()
5844                            .into_any(),
5845                        )
5846                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5847                        .into_any()
5848                    } else {
5849                        this.child(self.render_recent_history(cx)).into_any()
5850                    }
5851                }),
5852            })
5853            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5854            // above so that the scrollbar doesn't render behind it. The current setup allows
5855            // the scrollbar to stop exactly at the activity bar start.
5856            .when(has_messages, |this| match &self.thread_state {
5857                ThreadState::Ready { thread, .. } => {
5858                    this.children(self.render_activity_bar(thread, window, cx))
5859                }
5860                _ => this,
5861            })
5862            .children(self.render_thread_retry_status_callout(window, cx))
5863            .children({
5864                if cfg!(windows) && self.project.read(cx).is_local() {
5865                    self.render_codex_windows_warning(cx)
5866                } else {
5867                    None
5868                }
5869            })
5870            .children(self.render_thread_error(window, cx))
5871            .when_some(
5872                self.new_server_version_available.as_ref().filter(|_| {
5873                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5874                }),
5875                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5876            )
5877            .children(
5878                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5879                    Some(usage_callout.into_any_element())
5880                } else {
5881                    self.render_token_limit_callout(line_height, cx)
5882                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5883                },
5884            )
5885            .child(self.render_message_editor(window, cx))
5886    }
5887}
5888
5889fn default_markdown_style(
5890    buffer_font: bool,
5891    muted_text: bool,
5892    window: &Window,
5893    cx: &App,
5894) -> MarkdownStyle {
5895    let theme_settings = ThemeSettings::get_global(cx);
5896    let colors = cx.theme().colors();
5897
5898    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
5899
5900    let mut text_style = window.text_style();
5901    let line_height = buffer_font_size * 1.75;
5902
5903    let font_family = if buffer_font {
5904        theme_settings.buffer_font.family.clone()
5905    } else {
5906        theme_settings.ui_font.family.clone()
5907    };
5908
5909    let font_size = if buffer_font {
5910        theme_settings.agent_buffer_font_size(cx)
5911    } else {
5912        theme_settings.agent_ui_font_size(cx)
5913    };
5914
5915    let text_color = if muted_text {
5916        colors.text_muted
5917    } else {
5918        colors.text
5919    };
5920
5921    text_style.refine(&TextStyleRefinement {
5922        font_family: Some(font_family),
5923        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5924        font_features: Some(theme_settings.ui_font.features.clone()),
5925        font_size: Some(font_size.into()),
5926        line_height: Some(line_height.into()),
5927        color: Some(text_color),
5928        ..Default::default()
5929    });
5930
5931    MarkdownStyle {
5932        base_text_style: text_style.clone(),
5933        syntax: cx.theme().syntax().clone(),
5934        selection_background_color: colors.element_selection_background,
5935        code_block_overflow_x_scroll: true,
5936        heading_level_styles: Some(HeadingLevelStyles {
5937            h1: Some(TextStyleRefinement {
5938                font_size: Some(rems(1.15).into()),
5939                ..Default::default()
5940            }),
5941            h2: Some(TextStyleRefinement {
5942                font_size: Some(rems(1.1).into()),
5943                ..Default::default()
5944            }),
5945            h3: Some(TextStyleRefinement {
5946                font_size: Some(rems(1.05).into()),
5947                ..Default::default()
5948            }),
5949            h4: Some(TextStyleRefinement {
5950                font_size: Some(rems(1.).into()),
5951                ..Default::default()
5952            }),
5953            h5: Some(TextStyleRefinement {
5954                font_size: Some(rems(0.95).into()),
5955                ..Default::default()
5956            }),
5957            h6: Some(TextStyleRefinement {
5958                font_size: Some(rems(0.875).into()),
5959                ..Default::default()
5960            }),
5961        }),
5962        code_block: StyleRefinement {
5963            padding: EdgesRefinement {
5964                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5965                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5966                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5967                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5968            },
5969            margin: EdgesRefinement {
5970                top: Some(Length::Definite(px(8.).into())),
5971                left: Some(Length::Definite(px(0.).into())),
5972                right: Some(Length::Definite(px(0.).into())),
5973                bottom: Some(Length::Definite(px(12.).into())),
5974            },
5975            border_style: Some(BorderStyle::Solid),
5976            border_widths: EdgesRefinement {
5977                top: Some(AbsoluteLength::Pixels(px(1.))),
5978                left: Some(AbsoluteLength::Pixels(px(1.))),
5979                right: Some(AbsoluteLength::Pixels(px(1.))),
5980                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5981            },
5982            border_color: Some(colors.border_variant),
5983            background: Some(colors.editor_background.into()),
5984            text: Some(TextStyleRefinement {
5985                font_family: Some(theme_settings.buffer_font.family.clone()),
5986                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5987                font_features: Some(theme_settings.buffer_font.features.clone()),
5988                font_size: Some(buffer_font_size.into()),
5989                ..Default::default()
5990            }),
5991            ..Default::default()
5992        },
5993        inline_code: TextStyleRefinement {
5994            font_family: Some(theme_settings.buffer_font.family.clone()),
5995            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5996            font_features: Some(theme_settings.buffer_font.features.clone()),
5997            font_size: Some(buffer_font_size.into()),
5998            background_color: Some(colors.editor_foreground.opacity(0.08)),
5999            ..Default::default()
6000        },
6001        link: TextStyleRefinement {
6002            background_color: Some(colors.editor_foreground.opacity(0.025)),
6003            color: Some(colors.text_accent),
6004            underline: Some(UnderlineStyle {
6005                color: Some(colors.text_accent.opacity(0.5)),
6006                thickness: px(1.),
6007                ..Default::default()
6008            }),
6009            ..Default::default()
6010        },
6011        ..Default::default()
6012    }
6013}
6014
6015fn plan_label_markdown_style(
6016    status: &acp::PlanEntryStatus,
6017    window: &Window,
6018    cx: &App,
6019) -> MarkdownStyle {
6020    let default_md_style = default_markdown_style(false, false, window, cx);
6021
6022    MarkdownStyle {
6023        base_text_style: TextStyle {
6024            color: cx.theme().colors().text_muted,
6025            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6026                Some(gpui::StrikethroughStyle {
6027                    thickness: px(1.),
6028                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6029                })
6030            } else {
6031                None
6032            },
6033            ..default_md_style.base_text_style
6034        },
6035        ..default_md_style
6036    }
6037}
6038
6039fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6040    let default_md_style = default_markdown_style(true, false, window, cx);
6041
6042    MarkdownStyle {
6043        base_text_style: TextStyle {
6044            ..default_md_style.base_text_style
6045        },
6046        selection_background_color: cx.theme().colors().element_selection_background,
6047        ..Default::default()
6048    }
6049}
6050
6051#[cfg(test)]
6052pub(crate) mod tests {
6053    use acp_thread::StubAgentConnection;
6054    use agent_client_protocol::SessionId;
6055    use assistant_text_thread::TextThreadStore;
6056    use fs::FakeFs;
6057    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
6058    use project::Project;
6059    use serde_json::json;
6060    use settings::SettingsStore;
6061    use std::any::Any;
6062    use std::path::Path;
6063    use workspace::Item;
6064
6065    use super::*;
6066
6067    #[gpui::test]
6068    async fn test_drop(cx: &mut TestAppContext) {
6069        init_test(cx);
6070
6071        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6072        let weak_view = thread_view.downgrade();
6073        drop(thread_view);
6074        assert!(!weak_view.is_upgradable());
6075    }
6076
6077    #[gpui::test]
6078    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6079        init_test(cx);
6080
6081        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6082
6083        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6084        message_editor.update_in(cx, |editor, window, cx| {
6085            editor.set_text("Hello", window, cx);
6086        });
6087
6088        cx.deactivate_window();
6089
6090        thread_view.update_in(cx, |thread_view, window, cx| {
6091            thread_view.send(window, cx);
6092        });
6093
6094        cx.run_until_parked();
6095
6096        assert!(
6097            cx.windows()
6098                .iter()
6099                .any(|window| window.downcast::<AgentNotification>().is_some())
6100        );
6101    }
6102
6103    #[gpui::test]
6104    async fn test_notification_for_error(cx: &mut TestAppContext) {
6105        init_test(cx);
6106
6107        let (thread_view, cx) =
6108            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6109
6110        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6111        message_editor.update_in(cx, |editor, window, cx| {
6112            editor.set_text("Hello", window, cx);
6113        });
6114
6115        cx.deactivate_window();
6116
6117        thread_view.update_in(cx, |thread_view, window, cx| {
6118            thread_view.send(window, cx);
6119        });
6120
6121        cx.run_until_parked();
6122
6123        assert!(
6124            cx.windows()
6125                .iter()
6126                .any(|window| window.downcast::<AgentNotification>().is_some())
6127        );
6128    }
6129
6130    #[gpui::test]
6131    async fn test_refusal_handling(cx: &mut TestAppContext) {
6132        init_test(cx);
6133
6134        let (thread_view, cx) =
6135            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6136
6137        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6138        message_editor.update_in(cx, |editor, window, cx| {
6139            editor.set_text("Do something harmful", window, cx);
6140        });
6141
6142        thread_view.update_in(cx, |thread_view, window, cx| {
6143            thread_view.send(window, cx);
6144        });
6145
6146        cx.run_until_parked();
6147
6148        // Check that the refusal error is set
6149        thread_view.read_with(cx, |thread_view, _cx| {
6150            assert!(
6151                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6152                "Expected refusal error to be set"
6153            );
6154        });
6155    }
6156
6157    #[gpui::test]
6158    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6159        init_test(cx);
6160
6161        let tool_call_id = acp::ToolCallId("1".into());
6162        let tool_call = acp::ToolCall {
6163            id: tool_call_id.clone(),
6164            title: "Label".into(),
6165            kind: acp::ToolKind::Edit,
6166            status: acp::ToolCallStatus::Pending,
6167            content: vec!["hi".into()],
6168            locations: vec![],
6169            raw_input: None,
6170            raw_output: None,
6171            meta: None,
6172        };
6173        let connection =
6174            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6175                tool_call_id,
6176                vec![acp::PermissionOption {
6177                    id: acp::PermissionOptionId("1".into()),
6178                    name: "Allow".into(),
6179                    kind: acp::PermissionOptionKind::AllowOnce,
6180                    meta: None,
6181                }],
6182            )]));
6183
6184        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6185
6186        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6187
6188        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6189        message_editor.update_in(cx, |editor, window, cx| {
6190            editor.set_text("Hello", window, cx);
6191        });
6192
6193        cx.deactivate_window();
6194
6195        thread_view.update_in(cx, |thread_view, window, cx| {
6196            thread_view.send(window, cx);
6197        });
6198
6199        cx.run_until_parked();
6200
6201        assert!(
6202            cx.windows()
6203                .iter()
6204                .any(|window| window.downcast::<AgentNotification>().is_some())
6205        );
6206    }
6207
6208    #[gpui::test]
6209    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6210        init_test(cx);
6211
6212        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6213
6214        add_to_workspace(thread_view.clone(), cx);
6215
6216        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6217
6218        message_editor.update_in(cx, |editor, window, cx| {
6219            editor.set_text("Hello", window, cx);
6220        });
6221
6222        // Window is active (don't deactivate), but panel will be hidden
6223        // Note: In the test environment, the panel is not actually added to the dock,
6224        // so is_agent_panel_hidden will return true
6225
6226        thread_view.update_in(cx, |thread_view, window, cx| {
6227            thread_view.send(window, cx);
6228        });
6229
6230        cx.run_until_parked();
6231
6232        // Should show notification because window is active but panel is hidden
6233        assert!(
6234            cx.windows()
6235                .iter()
6236                .any(|window| window.downcast::<AgentNotification>().is_some()),
6237            "Expected notification when panel is hidden"
6238        );
6239    }
6240
6241    #[gpui::test]
6242    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6243        init_test(cx);
6244
6245        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6246
6247        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6248        message_editor.update_in(cx, |editor, window, cx| {
6249            editor.set_text("Hello", window, cx);
6250        });
6251
6252        // Deactivate window - should show notification regardless of setting
6253        cx.deactivate_window();
6254
6255        thread_view.update_in(cx, |thread_view, window, cx| {
6256            thread_view.send(window, cx);
6257        });
6258
6259        cx.run_until_parked();
6260
6261        // Should still show notification when window is inactive (existing behavior)
6262        assert!(
6263            cx.windows()
6264                .iter()
6265                .any(|window| window.downcast::<AgentNotification>().is_some()),
6266            "Expected notification when window is inactive"
6267        );
6268    }
6269
6270    #[gpui::test]
6271    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6272        init_test(cx);
6273
6274        // Set notify_when_agent_waiting to Never
6275        cx.update(|cx| {
6276            AgentSettings::override_global(
6277                AgentSettings {
6278                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6279                    ..AgentSettings::get_global(cx).clone()
6280                },
6281                cx,
6282            );
6283        });
6284
6285        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6286
6287        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6288        message_editor.update_in(cx, |editor, window, cx| {
6289            editor.set_text("Hello", window, cx);
6290        });
6291
6292        // Window is active
6293
6294        thread_view.update_in(cx, |thread_view, window, cx| {
6295            thread_view.send(window, cx);
6296        });
6297
6298        cx.run_until_parked();
6299
6300        // Should NOT show notification because notify_when_agent_waiting is Never
6301        assert!(
6302            !cx.windows()
6303                .iter()
6304                .any(|window| window.downcast::<AgentNotification>().is_some()),
6305            "Expected no notification when notify_when_agent_waiting is Never"
6306        );
6307    }
6308
6309    async fn setup_thread_view(
6310        agent: impl AgentServer + 'static,
6311        cx: &mut TestAppContext,
6312    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6313        let fs = FakeFs::new(cx.executor());
6314        let project = Project::test(fs, [], cx).await;
6315        let (workspace, cx) =
6316            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6317
6318        let text_thread_store =
6319            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6320        let history_store =
6321            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6322
6323        let thread_view = cx.update(|window, cx| {
6324            cx.new(|cx| {
6325                AcpThreadView::new(
6326                    Rc::new(agent),
6327                    None,
6328                    None,
6329                    workspace.downgrade(),
6330                    project,
6331                    history_store,
6332                    None,
6333                    window,
6334                    cx,
6335                )
6336            })
6337        });
6338        cx.run_until_parked();
6339        (thread_view, cx)
6340    }
6341
6342    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6343        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6344
6345        workspace
6346            .update_in(cx, |workspace, window, cx| {
6347                workspace.add_item_to_active_pane(
6348                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6349                    None,
6350                    true,
6351                    window,
6352                    cx,
6353                );
6354            })
6355            .unwrap();
6356    }
6357
6358    struct ThreadViewItem(Entity<AcpThreadView>);
6359
6360    impl Item for ThreadViewItem {
6361        type Event = ();
6362
6363        fn include_in_nav_history() -> bool {
6364            false
6365        }
6366
6367        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6368            "Test".into()
6369        }
6370    }
6371
6372    impl EventEmitter<()> for ThreadViewItem {}
6373
6374    impl Focusable for ThreadViewItem {
6375        fn focus_handle(&self, cx: &App) -> FocusHandle {
6376            self.0.read(cx).focus_handle(cx)
6377        }
6378    }
6379
6380    impl Render for ThreadViewItem {
6381        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6382            self.0.clone().into_any_element()
6383        }
6384    }
6385
6386    struct StubAgentServer<C> {
6387        connection: C,
6388    }
6389
6390    impl<C> StubAgentServer<C> {
6391        fn new(connection: C) -> Self {
6392            Self { connection }
6393        }
6394    }
6395
6396    impl StubAgentServer<StubAgentConnection> {
6397        fn default_response() -> Self {
6398            let conn = StubAgentConnection::new();
6399            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6400                acp::ContentChunk {
6401                    content: "Default response".into(),
6402                    meta: None,
6403                },
6404            )]);
6405            Self::new(conn)
6406        }
6407    }
6408
6409    impl<C> AgentServer for StubAgentServer<C>
6410    where
6411        C: 'static + AgentConnection + Send + Clone,
6412    {
6413        fn telemetry_id(&self) -> &'static str {
6414            "test"
6415        }
6416
6417        fn logo(&self) -> ui::IconName {
6418            ui::IconName::Ai
6419        }
6420
6421        fn name(&self) -> SharedString {
6422            "Test".into()
6423        }
6424
6425        fn connect(
6426            &self,
6427            _root_dir: Option<&Path>,
6428            _delegate: AgentServerDelegate,
6429            _cx: &mut App,
6430        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6431            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6432        }
6433
6434        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6435            self
6436        }
6437    }
6438
6439    #[derive(Clone)]
6440    struct SaboteurAgentConnection;
6441
6442    impl AgentConnection for SaboteurAgentConnection {
6443        fn telemetry_id(&self) -> &'static str {
6444            "saboteur"
6445        }
6446
6447        fn new_thread(
6448            self: Rc<Self>,
6449            project: Entity<Project>,
6450            _cwd: &Path,
6451            cx: &mut gpui::App,
6452        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6453            Task::ready(Ok(cx.new(|cx| {
6454                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6455                AcpThread::new(
6456                    "SaboteurAgentConnection",
6457                    self,
6458                    project,
6459                    action_log,
6460                    SessionId("test".into()),
6461                    watch::Receiver::constant(acp::PromptCapabilities {
6462                        image: true,
6463                        audio: true,
6464                        embedded_context: true,
6465                        meta: None,
6466                    }),
6467                    cx,
6468                )
6469            })))
6470        }
6471
6472        fn auth_methods(&self) -> &[acp::AuthMethod] {
6473            &[]
6474        }
6475
6476        fn authenticate(
6477            &self,
6478            _method_id: acp::AuthMethodId,
6479            _cx: &mut App,
6480        ) -> Task<gpui::Result<()>> {
6481            unimplemented!()
6482        }
6483
6484        fn prompt(
6485            &self,
6486            _id: Option<acp_thread::UserMessageId>,
6487            _params: acp::PromptRequest,
6488            _cx: &mut App,
6489        ) -> Task<gpui::Result<acp::PromptResponse>> {
6490            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6491        }
6492
6493        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6494            unimplemented!()
6495        }
6496
6497        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6498            self
6499        }
6500    }
6501
6502    /// Simulates a model which always returns a refusal response
6503    #[derive(Clone)]
6504    struct RefusalAgentConnection;
6505
6506    impl AgentConnection for RefusalAgentConnection {
6507        fn telemetry_id(&self) -> &'static str {
6508            "refusal"
6509        }
6510
6511        fn new_thread(
6512            self: Rc<Self>,
6513            project: Entity<Project>,
6514            _cwd: &Path,
6515            cx: &mut gpui::App,
6516        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6517            Task::ready(Ok(cx.new(|cx| {
6518                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6519                AcpThread::new(
6520                    "RefusalAgentConnection",
6521                    self,
6522                    project,
6523                    action_log,
6524                    SessionId("test".into()),
6525                    watch::Receiver::constant(acp::PromptCapabilities {
6526                        image: true,
6527                        audio: true,
6528                        embedded_context: true,
6529                        meta: None,
6530                    }),
6531                    cx,
6532                )
6533            })))
6534        }
6535
6536        fn auth_methods(&self) -> &[acp::AuthMethod] {
6537            &[]
6538        }
6539
6540        fn authenticate(
6541            &self,
6542            _method_id: acp::AuthMethodId,
6543            _cx: &mut App,
6544        ) -> Task<gpui::Result<()>> {
6545            unimplemented!()
6546        }
6547
6548        fn prompt(
6549            &self,
6550            _id: Option<acp_thread::UserMessageId>,
6551            _params: acp::PromptRequest,
6552            _cx: &mut App,
6553        ) -> Task<gpui::Result<acp::PromptResponse>> {
6554            Task::ready(Ok(acp::PromptResponse {
6555                stop_reason: acp::StopReason::Refusal,
6556                meta: None,
6557            }))
6558        }
6559
6560        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6561            unimplemented!()
6562        }
6563
6564        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6565            self
6566        }
6567    }
6568
6569    pub(crate) fn init_test(cx: &mut TestAppContext) {
6570        cx.update(|cx| {
6571            let settings_store = SettingsStore::test(cx);
6572            cx.set_global(settings_store);
6573            theme::init(theme::LoadThemes::JustBase, cx);
6574            release_channel::init(SemanticVersion::default(), cx);
6575            prompt_store::init(cx)
6576        });
6577    }
6578
6579    #[gpui::test]
6580    async fn test_rewind_views(cx: &mut TestAppContext) {
6581        init_test(cx);
6582
6583        let fs = FakeFs::new(cx.executor());
6584        fs.insert_tree(
6585            "/project",
6586            json!({
6587                "test1.txt": "old content 1",
6588                "test2.txt": "old content 2"
6589            }),
6590        )
6591        .await;
6592        let project = Project::test(fs, [Path::new("/project")], cx).await;
6593        let (workspace, cx) =
6594            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6595
6596        let text_thread_store =
6597            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6598        let history_store =
6599            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6600
6601        let connection = Rc::new(StubAgentConnection::new());
6602        let thread_view = cx.update(|window, cx| {
6603            cx.new(|cx| {
6604                AcpThreadView::new(
6605                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6606                    None,
6607                    None,
6608                    workspace.downgrade(),
6609                    project.clone(),
6610                    history_store.clone(),
6611                    None,
6612                    window,
6613                    cx,
6614                )
6615            })
6616        });
6617
6618        cx.run_until_parked();
6619
6620        let thread = thread_view
6621            .read_with(cx, |view, _| view.thread().cloned())
6622            .unwrap();
6623
6624        // First user message
6625        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6626            id: acp::ToolCallId("tool1".into()),
6627            title: "Edit file 1".into(),
6628            kind: acp::ToolKind::Edit,
6629            status: acp::ToolCallStatus::Completed,
6630            content: vec![acp::ToolCallContent::Diff {
6631                diff: acp::Diff {
6632                    path: "/project/test1.txt".into(),
6633                    old_text: Some("old content 1".into()),
6634                    new_text: "new content 1".into(),
6635                    meta: None,
6636                },
6637            }],
6638            locations: vec![],
6639            raw_input: None,
6640            raw_output: None,
6641            meta: None,
6642        })]);
6643
6644        thread
6645            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6646            .await
6647            .unwrap();
6648        cx.run_until_parked();
6649
6650        thread.read_with(cx, |thread, _| {
6651            assert_eq!(thread.entries().len(), 2);
6652        });
6653
6654        thread_view.read_with(cx, |view, cx| {
6655            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6656                assert!(
6657                    entry_view_state
6658                        .entry(0)
6659                        .unwrap()
6660                        .message_editor()
6661                        .is_some()
6662                );
6663                assert!(entry_view_state.entry(1).unwrap().has_content());
6664            });
6665        });
6666
6667        // Second user message
6668        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6669            id: acp::ToolCallId("tool2".into()),
6670            title: "Edit file 2".into(),
6671            kind: acp::ToolKind::Edit,
6672            status: acp::ToolCallStatus::Completed,
6673            content: vec![acp::ToolCallContent::Diff {
6674                diff: acp::Diff {
6675                    path: "/project/test2.txt".into(),
6676                    old_text: Some("old content 2".into()),
6677                    new_text: "new content 2".into(),
6678                    meta: None,
6679                },
6680            }],
6681            locations: vec![],
6682            raw_input: None,
6683            raw_output: None,
6684            meta: None,
6685        })]);
6686
6687        thread
6688            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6689            .await
6690            .unwrap();
6691        cx.run_until_parked();
6692
6693        let second_user_message_id = thread.read_with(cx, |thread, _| {
6694            assert_eq!(thread.entries().len(), 4);
6695            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6696                panic!();
6697            };
6698            user_message.id.clone().unwrap()
6699        });
6700
6701        thread_view.read_with(cx, |view, cx| {
6702            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6703                assert!(
6704                    entry_view_state
6705                        .entry(0)
6706                        .unwrap()
6707                        .message_editor()
6708                        .is_some()
6709                );
6710                assert!(entry_view_state.entry(1).unwrap().has_content());
6711                assert!(
6712                    entry_view_state
6713                        .entry(2)
6714                        .unwrap()
6715                        .message_editor()
6716                        .is_some()
6717                );
6718                assert!(entry_view_state.entry(3).unwrap().has_content());
6719            });
6720        });
6721
6722        // Rewind to first message
6723        thread
6724            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6725            .await
6726            .unwrap();
6727
6728        cx.run_until_parked();
6729
6730        thread.read_with(cx, |thread, _| {
6731            assert_eq!(thread.entries().len(), 2);
6732        });
6733
6734        thread_view.read_with(cx, |view, cx| {
6735            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6736                assert!(
6737                    entry_view_state
6738                        .entry(0)
6739                        .unwrap()
6740                        .message_editor()
6741                        .is_some()
6742                );
6743                assert!(entry_view_state.entry(1).unwrap().has_content());
6744
6745                // Old views should be dropped
6746                assert!(entry_view_state.entry(2).is_none());
6747                assert!(entry_view_state.entry(3).is_none());
6748            });
6749        });
6750    }
6751
6752    #[gpui::test]
6753    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6754        init_test(cx);
6755
6756        let connection = StubAgentConnection::new();
6757
6758        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6759            acp::ContentChunk {
6760                content: acp::ContentBlock::Text(acp::TextContent {
6761                    text: "Response".into(),
6762                    annotations: None,
6763                    meta: None,
6764                }),
6765                meta: None,
6766            },
6767        )]);
6768
6769        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6770        add_to_workspace(thread_view.clone(), cx);
6771
6772        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6773        message_editor.update_in(cx, |editor, window, cx| {
6774            editor.set_text("Original message to edit", window, cx);
6775        });
6776        thread_view.update_in(cx, |thread_view, window, cx| {
6777            thread_view.send(window, cx);
6778        });
6779
6780        cx.run_until_parked();
6781
6782        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6783            assert_eq!(view.editing_message, None);
6784
6785            view.entry_view_state
6786                .read(cx)
6787                .entry(0)
6788                .unwrap()
6789                .message_editor()
6790                .unwrap()
6791                .clone()
6792        });
6793
6794        // Focus
6795        cx.focus(&user_message_editor);
6796        thread_view.read_with(cx, |view, _cx| {
6797            assert_eq!(view.editing_message, Some(0));
6798        });
6799
6800        // Edit
6801        user_message_editor.update_in(cx, |editor, window, cx| {
6802            editor.set_text("Edited message content", window, cx);
6803        });
6804
6805        // Cancel
6806        user_message_editor.update_in(cx, |_editor, window, cx| {
6807            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6808        });
6809
6810        thread_view.read_with(cx, |view, _cx| {
6811            assert_eq!(view.editing_message, None);
6812        });
6813
6814        user_message_editor.read_with(cx, |editor, cx| {
6815            assert_eq!(editor.text(cx), "Original message to edit");
6816        });
6817    }
6818
6819    #[gpui::test]
6820    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6821        init_test(cx);
6822
6823        let connection = StubAgentConnection::new();
6824
6825        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6826        add_to_workspace(thread_view.clone(), cx);
6827
6828        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6829        let mut events = cx.events(&message_editor);
6830        message_editor.update_in(cx, |editor, window, cx| {
6831            editor.set_text("", window, cx);
6832        });
6833
6834        message_editor.update_in(cx, |_editor, window, cx| {
6835            window.dispatch_action(Box::new(Chat), cx);
6836        });
6837        cx.run_until_parked();
6838        // We shouldn't have received any messages
6839        assert!(matches!(
6840            events.try_next(),
6841            Err(futures::channel::mpsc::TryRecvError { .. })
6842        ));
6843    }
6844
6845    #[gpui::test]
6846    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6847        init_test(cx);
6848
6849        let connection = StubAgentConnection::new();
6850
6851        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6852            acp::ContentChunk {
6853                content: acp::ContentBlock::Text(acp::TextContent {
6854                    text: "Response".into(),
6855                    annotations: None,
6856                    meta: None,
6857                }),
6858                meta: None,
6859            },
6860        )]);
6861
6862        let (thread_view, cx) =
6863            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6864        add_to_workspace(thread_view.clone(), cx);
6865
6866        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6867        message_editor.update_in(cx, |editor, window, cx| {
6868            editor.set_text("Original message to edit", window, cx);
6869        });
6870        thread_view.update_in(cx, |thread_view, window, cx| {
6871            thread_view.send(window, cx);
6872        });
6873
6874        cx.run_until_parked();
6875
6876        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6877            assert_eq!(view.editing_message, None);
6878            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6879
6880            view.entry_view_state
6881                .read(cx)
6882                .entry(0)
6883                .unwrap()
6884                .message_editor()
6885                .unwrap()
6886                .clone()
6887        });
6888
6889        // Focus
6890        cx.focus(&user_message_editor);
6891
6892        // Edit
6893        user_message_editor.update_in(cx, |editor, window, cx| {
6894            editor.set_text("Edited message content", window, cx);
6895        });
6896
6897        // Send
6898        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6899            acp::ContentChunk {
6900                content: acp::ContentBlock::Text(acp::TextContent {
6901                    text: "New Response".into(),
6902                    annotations: None,
6903                    meta: None,
6904                }),
6905                meta: None,
6906            },
6907        )]);
6908
6909        user_message_editor.update_in(cx, |_editor, window, cx| {
6910            window.dispatch_action(Box::new(Chat), cx);
6911        });
6912
6913        cx.run_until_parked();
6914
6915        thread_view.read_with(cx, |view, cx| {
6916            assert_eq!(view.editing_message, None);
6917
6918            let entries = view.thread().unwrap().read(cx).entries();
6919            assert_eq!(entries.len(), 2);
6920            assert_eq!(
6921                entries[0].to_markdown(cx),
6922                "## User\n\nEdited message content\n\n"
6923            );
6924            assert_eq!(
6925                entries[1].to_markdown(cx),
6926                "## Assistant\n\nNew Response\n\n"
6927            );
6928
6929            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6930                assert!(!state.entry(1).unwrap().has_content());
6931                state.entry(0).unwrap().message_editor().unwrap().clone()
6932            });
6933
6934            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6935        })
6936    }
6937
6938    #[gpui::test]
6939    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6940        init_test(cx);
6941
6942        let connection = StubAgentConnection::new();
6943
6944        let (thread_view, cx) =
6945            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6946        add_to_workspace(thread_view.clone(), cx);
6947
6948        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6949        message_editor.update_in(cx, |editor, window, cx| {
6950            editor.set_text("Original message to edit", window, cx);
6951        });
6952        thread_view.update_in(cx, |thread_view, window, cx| {
6953            thread_view.send(window, cx);
6954        });
6955
6956        cx.run_until_parked();
6957
6958        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6959            let thread = view.thread().unwrap().read(cx);
6960            assert_eq!(thread.entries().len(), 1);
6961
6962            let editor = view
6963                .entry_view_state
6964                .read(cx)
6965                .entry(0)
6966                .unwrap()
6967                .message_editor()
6968                .unwrap()
6969                .clone();
6970
6971            (editor, thread.session_id().clone())
6972        });
6973
6974        // Focus
6975        cx.focus(&user_message_editor);
6976
6977        thread_view.read_with(cx, |view, _cx| {
6978            assert_eq!(view.editing_message, Some(0));
6979        });
6980
6981        // Edit
6982        user_message_editor.update_in(cx, |editor, window, cx| {
6983            editor.set_text("Edited message content", window, cx);
6984        });
6985
6986        thread_view.read_with(cx, |view, _cx| {
6987            assert_eq!(view.editing_message, Some(0));
6988        });
6989
6990        // Finish streaming response
6991        cx.update(|_, cx| {
6992            connection.send_update(
6993                session_id.clone(),
6994                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6995                    content: acp::ContentBlock::Text(acp::TextContent {
6996                        text: "Response".into(),
6997                        annotations: None,
6998                        meta: None,
6999                    }),
7000                    meta: None,
7001                }),
7002                cx,
7003            );
7004            connection.end_turn(session_id, acp::StopReason::EndTurn);
7005        });
7006
7007        thread_view.read_with(cx, |view, _cx| {
7008            assert_eq!(view.editing_message, Some(0));
7009        });
7010
7011        cx.run_until_parked();
7012
7013        // Should still be editing
7014        cx.update(|window, cx| {
7015            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7016            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7017            assert_eq!(
7018                user_message_editor.read(cx).text(cx),
7019                "Edited message content"
7020            );
7021        });
7022    }
7023
7024    #[gpui::test]
7025    async fn test_interrupt(cx: &mut TestAppContext) {
7026        init_test(cx);
7027
7028        let connection = StubAgentConnection::new();
7029
7030        let (thread_view, cx) =
7031            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7032        add_to_workspace(thread_view.clone(), cx);
7033
7034        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7035        message_editor.update_in(cx, |editor, window, cx| {
7036            editor.set_text("Message 1", window, cx);
7037        });
7038        thread_view.update_in(cx, |thread_view, window, cx| {
7039            thread_view.send(window, cx);
7040        });
7041
7042        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7043            let thread = view.thread().unwrap();
7044
7045            (thread.clone(), thread.read(cx).session_id().clone())
7046        });
7047
7048        cx.run_until_parked();
7049
7050        cx.update(|_, cx| {
7051            connection.send_update(
7052                session_id.clone(),
7053                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7054                    content: "Message 1 resp".into(),
7055                    meta: None,
7056                }),
7057                cx,
7058            );
7059        });
7060
7061        cx.run_until_parked();
7062
7063        thread.read_with(cx, |thread, cx| {
7064            assert_eq!(
7065                thread.to_markdown(cx),
7066                indoc::indoc! {"
7067                    ## User
7068
7069                    Message 1
7070
7071                    ## Assistant
7072
7073                    Message 1 resp
7074
7075                "}
7076            )
7077        });
7078
7079        message_editor.update_in(cx, |editor, window, cx| {
7080            editor.set_text("Message 2", window, cx);
7081        });
7082        thread_view.update_in(cx, |thread_view, window, cx| {
7083            thread_view.send(window, cx);
7084        });
7085
7086        cx.update(|_, cx| {
7087            // Simulate a response sent after beginning to cancel
7088            connection.send_update(
7089                session_id.clone(),
7090                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7091                    content: "onse".into(),
7092                    meta: None,
7093                }),
7094                cx,
7095            );
7096        });
7097
7098        cx.run_until_parked();
7099
7100        // Last Message 1 response should appear before Message 2
7101        thread.read_with(cx, |thread, cx| {
7102            assert_eq!(
7103                thread.to_markdown(cx),
7104                indoc::indoc! {"
7105                    ## User
7106
7107                    Message 1
7108
7109                    ## Assistant
7110
7111                    Message 1 response
7112
7113                    ## User
7114
7115                    Message 2
7116
7117                "}
7118            )
7119        });
7120
7121        cx.update(|_, cx| {
7122            connection.send_update(
7123                session_id.clone(),
7124                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7125                    content: "Message 2 response".into(),
7126                    meta: None,
7127                }),
7128                cx,
7129            );
7130            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7131        });
7132
7133        cx.run_until_parked();
7134
7135        thread.read_with(cx, |thread, cx| {
7136            assert_eq!(
7137                thread.to_markdown(cx),
7138                indoc::indoc! {"
7139                    ## User
7140
7141                    Message 1
7142
7143                    ## Assistant
7144
7145                    Message 1 response
7146
7147                    ## User
7148
7149                    Message 2
7150
7151                    ## Assistant
7152
7153                    Message 2 response
7154
7155                "}
7156            )
7157        });
7158    }
7159
7160    #[gpui::test]
7161    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7162        init_test(cx);
7163
7164        let connection = StubAgentConnection::new();
7165        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7166            acp::ContentChunk {
7167                content: acp::ContentBlock::Text(acp::TextContent {
7168                    text: "Response".into(),
7169                    annotations: None,
7170                    meta: None,
7171                }),
7172                meta: None,
7173            },
7174        )]);
7175
7176        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7177        add_to_workspace(thread_view.clone(), cx);
7178
7179        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7180        message_editor.update_in(cx, |editor, window, cx| {
7181            editor.set_text("Original message to edit", window, cx)
7182        });
7183        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7184        cx.run_until_parked();
7185
7186        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7187            thread_view
7188                .entry_view_state
7189                .read(cx)
7190                .entry(0)
7191                .expect("Should have at least one entry")
7192                .message_editor()
7193                .expect("Should have message editor")
7194                .clone()
7195        });
7196
7197        cx.focus(&user_message_editor);
7198        thread_view.read_with(cx, |thread_view, _cx| {
7199            assert_eq!(thread_view.editing_message, Some(0));
7200        });
7201
7202        // Ensure to edit the focused message before proceeding otherwise, since
7203        // its content is not different from what was sent, focus will be lost.
7204        user_message_editor.update_in(cx, |editor, window, cx| {
7205            editor.set_text("Original message to edit with ", window, cx)
7206        });
7207
7208        // Create a simple buffer with some text so we can create a selection
7209        // that will then be added to the message being edited.
7210        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7211            (thread_view.workspace.clone(), thread_view.project.clone())
7212        });
7213        let buffer = project.update(cx, |project, cx| {
7214            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7215        });
7216
7217        workspace
7218            .update_in(cx, |workspace, window, cx| {
7219                let editor = cx.new(|cx| {
7220                    let mut editor =
7221                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7222
7223                    editor.change_selections(Default::default(), window, cx, |selections| {
7224                        selections.select_ranges([8..15]);
7225                    });
7226
7227                    editor
7228                });
7229                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7230            })
7231            .unwrap();
7232
7233        thread_view.update_in(cx, |thread_view, window, cx| {
7234            assert_eq!(thread_view.editing_message, Some(0));
7235            thread_view.insert_selections(window, cx);
7236        });
7237
7238        user_message_editor.read_with(cx, |editor, cx| {
7239            let text = editor.editor().read(cx).text(cx);
7240            let expected_text = String::from("Original message to edit with selection ");
7241
7242            assert_eq!(text, expected_text);
7243        });
7244    }
7245
7246    #[gpui::test]
7247    async fn test_insert_selections(cx: &mut TestAppContext) {
7248        init_test(cx);
7249
7250        let connection = StubAgentConnection::new();
7251        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7252            acp::ContentChunk {
7253                content: acp::ContentBlock::Text(acp::TextContent {
7254                    text: "Response".into(),
7255                    annotations: None,
7256                    meta: None,
7257                }),
7258                meta: None,
7259            },
7260        )]);
7261
7262        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7263        add_to_workspace(thread_view.clone(), cx);
7264
7265        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7266        message_editor.update_in(cx, |editor, window, cx| {
7267            editor.set_text("Can you review this snippet ", window, cx)
7268        });
7269
7270        // Create a simple buffer with some text so we can create a selection
7271        // that will then be added to the message being edited.
7272        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7273            (thread_view.workspace.clone(), thread_view.project.clone())
7274        });
7275        let buffer = project.update(cx, |project, cx| {
7276            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7277        });
7278
7279        workspace
7280            .update_in(cx, |workspace, window, cx| {
7281                let editor = cx.new(|cx| {
7282                    let mut editor =
7283                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7284
7285                    editor.change_selections(Default::default(), window, cx, |selections| {
7286                        selections.select_ranges([8..15]);
7287                    });
7288
7289                    editor
7290                });
7291                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7292            })
7293            .unwrap();
7294
7295        thread_view.update_in(cx, |thread_view, window, cx| {
7296            assert_eq!(thread_view.editing_message, None);
7297            thread_view.insert_selections(window, cx);
7298        });
7299
7300        thread_view.read_with(cx, |thread_view, cx| {
7301            let text = thread_view.message_editor.read(cx).text(cx);
7302            let expected_txt = String::from("Can you review this snippet selection ");
7303
7304            assert_eq!(text, expected_txt);
7305        })
7306    }
7307}