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, 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, OpenAgentDiff, OpenHistory, RejectAll,
  73    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                            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                )
3158            })
3159            .into_any()
3160    }
3161
3162    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3163        let project_context = self
3164            .as_native_thread(cx)?
3165            .read(cx)
3166            .project_context()
3167            .read(cx);
3168
3169        let user_rules_text = if project_context.user_rules.is_empty() {
3170            None
3171        } else if project_context.user_rules.len() == 1 {
3172            let user_rules = &project_context.user_rules[0];
3173
3174            match user_rules.title.as_ref() {
3175                Some(title) => Some(format!("Using \"{title}\" user rule")),
3176                None => Some("Using user rule".into()),
3177            }
3178        } else {
3179            Some(format!(
3180                "Using {} user rules",
3181                project_context.user_rules.len()
3182            ))
3183        };
3184
3185        let first_user_rules_id = project_context
3186            .user_rules
3187            .first()
3188            .map(|user_rules| user_rules.uuid.0);
3189
3190        let rules_files = project_context
3191            .worktrees
3192            .iter()
3193            .filter_map(|worktree| worktree.rules_file.as_ref())
3194            .collect::<Vec<_>>();
3195
3196        let rules_file_text = match rules_files.as_slice() {
3197            &[] => None,
3198            &[rules_file] => Some(format!(
3199                "Using project {:?} file",
3200                rules_file.path_in_worktree
3201            )),
3202            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3203        };
3204
3205        if user_rules_text.is_none() && rules_file_text.is_none() {
3206            return None;
3207        }
3208
3209        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3210
3211        Some(
3212            h_flex()
3213                .px_2p5()
3214                .child(
3215                    Icon::new(IconName::Attach)
3216                        .size(IconSize::XSmall)
3217                        .color(Color::Disabled),
3218                )
3219                .when_some(user_rules_text, |parent, user_rules_text| {
3220                    parent.child(
3221                        h_flex()
3222                            .id("user-rules")
3223                            .ml_1()
3224                            .mr_1p5()
3225                            .child(
3226                                Label::new(user_rules_text)
3227                                    .size(LabelSize::XSmall)
3228                                    .color(Color::Muted)
3229                                    .truncate(),
3230                            )
3231                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3232                            .tooltip(Tooltip::text("View User Rules"))
3233                            .on_click(move |_event, window, cx| {
3234                                window.dispatch_action(
3235                                    Box::new(OpenRulesLibrary {
3236                                        prompt_to_select: first_user_rules_id,
3237                                    }),
3238                                    cx,
3239                                )
3240                            }),
3241                    )
3242                })
3243                .when(has_both, |this| {
3244                    this.child(
3245                        Label::new("")
3246                            .size(LabelSize::XSmall)
3247                            .color(Color::Disabled),
3248                    )
3249                })
3250                .when_some(rules_file_text, |parent, rules_file_text| {
3251                    parent.child(
3252                        h_flex()
3253                            .id("project-rules")
3254                            .ml_1p5()
3255                            .child(
3256                                Label::new(rules_file_text)
3257                                    .size(LabelSize::XSmall)
3258                                    .color(Color::Muted),
3259                            )
3260                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3261                            .tooltip(Tooltip::text("View Project Rules"))
3262                            .on_click(cx.listener(Self::handle_open_rules)),
3263                    )
3264                })
3265                .into_any(),
3266        )
3267    }
3268
3269    fn render_empty_state_section_header(
3270        &self,
3271        label: impl Into<SharedString>,
3272        action_slot: Option<AnyElement>,
3273        cx: &mut Context<Self>,
3274    ) -> impl IntoElement {
3275        div().pl_1().pr_1p5().child(
3276            h_flex()
3277                .mt_2()
3278                .pl_1p5()
3279                .pb_1()
3280                .w_full()
3281                .justify_between()
3282                .border_b_1()
3283                .border_color(cx.theme().colors().border_variant)
3284                .child(
3285                    Label::new(label.into())
3286                        .size(LabelSize::Small)
3287                        .color(Color::Muted),
3288                )
3289                .children(action_slot),
3290        )
3291    }
3292
3293    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
3294        let render_history = self
3295            .agent
3296            .clone()
3297            .downcast::<agent::NativeAgentServer>()
3298            .is_some()
3299            && self
3300                .history_store
3301                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3302
3303        v_flex()
3304            .size_full()
3305            .when(render_history, |this| {
3306                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3307                    history_store.entries().take(3).collect()
3308                });
3309                this.justify_end().child(
3310                    v_flex()
3311                        .child(
3312                            self.render_empty_state_section_header(
3313                                "Recent",
3314                                Some(
3315                                    Button::new("view-history", "View All")
3316                                        .style(ButtonStyle::Subtle)
3317                                        .label_size(LabelSize::Small)
3318                                        .key_binding(
3319                                            KeyBinding::for_action_in(
3320                                                &OpenHistory,
3321                                                &self.focus_handle(cx),
3322                                                cx,
3323                                            )
3324                                            .map(|kb| kb.size(rems_from_px(12.))),
3325                                        )
3326                                        .on_click(move |_event, window, cx| {
3327                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3328                                        })
3329                                        .into_any_element(),
3330                                ),
3331                                cx,
3332                            ),
3333                        )
3334                        .child(
3335                            v_flex().p_1().pr_1p5().gap_1().children(
3336                                recent_history
3337                                    .into_iter()
3338                                    .enumerate()
3339                                    .map(|(index, entry)| {
3340                                        // TODO: Add keyboard navigation.
3341                                        let is_hovered =
3342                                            self.hovered_recent_history_item == Some(index);
3343                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3344                                            entry,
3345                                            cx.entity().downgrade(),
3346                                        )
3347                                        .hovered(is_hovered)
3348                                        .on_hover(cx.listener(
3349                                            move |this, is_hovered, _window, cx| {
3350                                                if *is_hovered {
3351                                                    this.hovered_recent_history_item = Some(index);
3352                                                } else if this.hovered_recent_history_item
3353                                                    == Some(index)
3354                                                {
3355                                                    this.hovered_recent_history_item = None;
3356                                                }
3357                                                cx.notify();
3358                                            },
3359                                        ))
3360                                        .into_any_element()
3361                                    }),
3362                            ),
3363                        ),
3364                )
3365            })
3366            .into_any()
3367    }
3368
3369    fn render_auth_required_state(
3370        &self,
3371        connection: &Rc<dyn AgentConnection>,
3372        description: Option<&Entity<Markdown>>,
3373        configuration_view: Option<&AnyView>,
3374        pending_auth_method: Option<&acp::AuthMethodId>,
3375        window: &mut Window,
3376        cx: &Context<Self>,
3377    ) -> Div {
3378        let show_description =
3379            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3380
3381        let auth_methods = connection.auth_methods();
3382
3383        v_flex().flex_1().size_full().justify_end().child(
3384            v_flex()
3385                .p_2()
3386                .pr_3()
3387                .w_full()
3388                .gap_1()
3389                .border_t_1()
3390                .border_color(cx.theme().colors().border)
3391                .bg(cx.theme().status().warning.opacity(0.04))
3392                .child(
3393                    h_flex()
3394                        .gap_1p5()
3395                        .child(
3396                            Icon::new(IconName::Warning)
3397                                .color(Color::Warning)
3398                                .size(IconSize::Small),
3399                        )
3400                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3401                )
3402                .children(description.map(|desc| {
3403                    div().text_ui(cx).child(self.render_markdown(
3404                        desc.clone(),
3405                        default_markdown_style(false, false, window, cx),
3406                    ))
3407                }))
3408                .children(
3409                    configuration_view
3410                        .cloned()
3411                        .map(|view| div().w_full().child(view)),
3412                )
3413                .when(show_description, |el| {
3414                    el.child(
3415                        Label::new(format!(
3416                            "You are not currently authenticated with {}.{}",
3417                            self.agent.name(),
3418                            if auth_methods.len() > 1 {
3419                                " Please choose one of the following options:"
3420                            } else {
3421                                ""
3422                            }
3423                        ))
3424                        .size(LabelSize::Small)
3425                        .color(Color::Muted)
3426                        .mb_1()
3427                        .ml_5(),
3428                    )
3429                })
3430                .when_some(pending_auth_method, |el, _| {
3431                    el.child(
3432                        h_flex()
3433                            .py_4()
3434                            .w_full()
3435                            .justify_center()
3436                            .gap_1()
3437                            .child(
3438                                Icon::new(IconName::ArrowCircle)
3439                                    .size(IconSize::Small)
3440                                    .color(Color::Muted)
3441                                    .with_rotate_animation(2),
3442                            )
3443                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3444                    )
3445                })
3446                .when(!auth_methods.is_empty(), |this| {
3447                    this.child(
3448                        h_flex()
3449                            .justify_end()
3450                            .flex_wrap()
3451                            .gap_1()
3452                            .when(!show_description, |this| {
3453                                this.border_t_1()
3454                                    .mt_1()
3455                                    .pt_2()
3456                                    .border_color(cx.theme().colors().border.opacity(0.8))
3457                            })
3458                            .children(connection.auth_methods().iter().enumerate().rev().map(
3459                                |(ix, method)| {
3460                                    let (method_id, name) = if self
3461                                        .project
3462                                        .read(cx)
3463                                        .is_via_remote_server()
3464                                        && method.id.0.as_ref() == "oauth-personal"
3465                                        && method.name == "Log in with Google"
3466                                    {
3467                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3468                                    } else {
3469                                        (method.id.0.clone(), method.name.clone())
3470                                    };
3471
3472                                    Button::new(SharedString::from(method_id.clone()), name)
3473                                        .label_size(LabelSize::Small)
3474                                        .map(|this| {
3475                                            if ix == 0 {
3476                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3477                                            } else {
3478                                                this.style(ButtonStyle::Outlined)
3479                                            }
3480                                        })
3481                                        .when_some(
3482                                            method.description.clone(),
3483                                            |this, description| {
3484                                                this.tooltip(Tooltip::text(description))
3485                                            },
3486                                        )
3487                                        .on_click({
3488                                            cx.listener(move |this, _, window, cx| {
3489                                                telemetry::event!(
3490                                                    "Authenticate Agent Started",
3491                                                    agent = this.agent.telemetry_id(),
3492                                                    method = method_id
3493                                                );
3494
3495                                                this.authenticate(
3496                                                    acp::AuthMethodId(method_id.clone()),
3497                                                    window,
3498                                                    cx,
3499                                                )
3500                                            })
3501                                        })
3502                                },
3503                            )),
3504                    )
3505                }),
3506        )
3507    }
3508
3509    fn render_load_error(
3510        &self,
3511        e: &LoadError,
3512        window: &mut Window,
3513        cx: &mut Context<Self>,
3514    ) -> AnyElement {
3515        let (title, message, action_slot): (_, SharedString, _) = match e {
3516            LoadError::Unsupported {
3517                command: path,
3518                current_version,
3519                minimum_version,
3520            } => {
3521                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3522            }
3523            LoadError::FailedToInstall(msg) => (
3524                "Failed to Install",
3525                msg.into(),
3526                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3527            ),
3528            LoadError::Exited { status } => (
3529                "Failed to Launch",
3530                format!("Server exited with status {status}").into(),
3531                None,
3532            ),
3533            LoadError::Other(msg) => (
3534                "Failed to Launch",
3535                msg.into(),
3536                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3537            ),
3538        };
3539
3540        Callout::new()
3541            .severity(Severity::Error)
3542            .icon(IconName::XCircleFilled)
3543            .title(title)
3544            .description(message)
3545            .actions_slot(div().children(action_slot))
3546            .into_any_element()
3547    }
3548
3549    fn render_unsupported(
3550        &self,
3551        path: &SharedString,
3552        version: &SharedString,
3553        minimum_version: &SharedString,
3554        _window: &mut Window,
3555        cx: &mut Context<Self>,
3556    ) -> AnyElement {
3557        let (heading_label, description_label) = (
3558            format!("Upgrade {} to work with Zed", self.agent.name()),
3559            if version.is_empty() {
3560                format!(
3561                    "Currently using {}, which does not report a valid --version",
3562                    path,
3563                )
3564            } else {
3565                format!(
3566                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3567                    path, version
3568                )
3569            },
3570        );
3571
3572        v_flex()
3573            .w_full()
3574            .p_3p5()
3575            .gap_2p5()
3576            .border_t_1()
3577            .border_color(cx.theme().colors().border)
3578            .bg(linear_gradient(
3579                180.,
3580                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3581                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3582            ))
3583            .child(
3584                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3585                    Label::new(description_label)
3586                        .size(LabelSize::Small)
3587                        .color(Color::Muted),
3588                ),
3589            )
3590            .into_any_element()
3591    }
3592
3593    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3594        let editor_bg_color = cx.theme().colors().editor_background;
3595        let active_color = cx.theme().colors().element_selected;
3596        editor_bg_color.blend(active_color.opacity(0.3))
3597    }
3598
3599    fn render_activity_bar(
3600        &self,
3601        thread_entity: &Entity<AcpThread>,
3602        window: &mut Window,
3603        cx: &Context<Self>,
3604    ) -> Option<AnyElement> {
3605        let thread = thread_entity.read(cx);
3606        let action_log = thread.action_log();
3607        let telemetry = ActionLogTelemetry::from(thread);
3608        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3609        let plan = thread.plan();
3610
3611        if changed_buffers.is_empty() && plan.is_empty() {
3612            return None;
3613        }
3614
3615        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3616        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3617        // be, which blocks you from being able to accept or reject edits. This switches the
3618        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3619        // block you from using the panel.
3620        let pending_edits = false;
3621
3622        v_flex()
3623            .mt_1()
3624            .mx_2()
3625            .bg(self.activity_bar_bg(cx))
3626            .border_1()
3627            .border_b_0()
3628            .border_color(cx.theme().colors().border)
3629            .rounded_t_md()
3630            .shadow(vec![gpui::BoxShadow {
3631                color: gpui::black().opacity(0.15),
3632                offset: point(px(1.), px(-1.)),
3633                blur_radius: px(3.),
3634                spread_radius: px(0.),
3635            }])
3636            .when(!plan.is_empty(), |this| {
3637                this.child(self.render_plan_summary(plan, window, cx))
3638                    .when(self.plan_expanded, |parent| {
3639                        parent.child(self.render_plan_entries(plan, window, cx))
3640                    })
3641            })
3642            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3643                this.child(Divider::horizontal().color(DividerColor::Border))
3644            })
3645            .when(!changed_buffers.is_empty(), |this| {
3646                this.child(self.render_edits_summary(
3647                    &changed_buffers,
3648                    self.edits_expanded,
3649                    pending_edits,
3650                    cx,
3651                ))
3652                .when(self.edits_expanded, |parent| {
3653                    parent.child(self.render_edited_files(
3654                        action_log,
3655                        telemetry,
3656                        &changed_buffers,
3657                        pending_edits,
3658                        cx,
3659                    ))
3660                })
3661            })
3662            .into_any()
3663            .into()
3664    }
3665
3666    fn render_plan_summary(
3667        &self,
3668        plan: &Plan,
3669        window: &mut Window,
3670        cx: &Context<Self>,
3671    ) -> impl IntoElement {
3672        let stats = plan.stats();
3673
3674        let title = if let Some(entry) = stats.in_progress_entry
3675            && !self.plan_expanded
3676        {
3677            h_flex()
3678                .cursor_default()
3679                .relative()
3680                .w_full()
3681                .gap_1()
3682                .truncate()
3683                .child(
3684                    Label::new("Current:")
3685                        .size(LabelSize::Small)
3686                        .color(Color::Muted),
3687                )
3688                .child(
3689                    div()
3690                        .text_xs()
3691                        .text_color(cx.theme().colors().text_muted)
3692                        .line_clamp(1)
3693                        .child(MarkdownElement::new(
3694                            entry.content.clone(),
3695                            plan_label_markdown_style(&entry.status, window, cx),
3696                        )),
3697                )
3698                .when(stats.pending > 0, |this| {
3699                    this.child(
3700                        h_flex()
3701                            .absolute()
3702                            .top_0()
3703                            .right_0()
3704                            .h_full()
3705                            .child(div().min_w_8().h_full().bg(linear_gradient(
3706                                90.,
3707                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3708                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3709                            )))
3710                            .child(
3711                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3712                                    Label::new(format!("{} left", stats.pending))
3713                                        .size(LabelSize::Small)
3714                                        .color(Color::Muted),
3715                                ),
3716                            ),
3717                    )
3718                })
3719        } else {
3720            let status_label = if stats.pending == 0 {
3721                "All Done".to_string()
3722            } else if stats.completed == 0 {
3723                format!("{} Tasks", plan.entries.len())
3724            } else {
3725                format!("{}/{}", stats.completed, plan.entries.len())
3726            };
3727
3728            h_flex()
3729                .w_full()
3730                .gap_1()
3731                .justify_between()
3732                .child(
3733                    Label::new("Plan")
3734                        .size(LabelSize::Small)
3735                        .color(Color::Muted),
3736                )
3737                .child(
3738                    Label::new(status_label)
3739                        .size(LabelSize::Small)
3740                        .color(Color::Muted)
3741                        .mr_1(),
3742                )
3743        };
3744
3745        h_flex()
3746            .id("plan_summary")
3747            .p_1()
3748            .w_full()
3749            .gap_1()
3750            .when(self.plan_expanded, |this| {
3751                this.border_b_1().border_color(cx.theme().colors().border)
3752            })
3753            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3754            .child(title)
3755            .on_click(cx.listener(|this, _, _, cx| {
3756                this.plan_expanded = !this.plan_expanded;
3757                cx.notify();
3758            }))
3759    }
3760
3761    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3762        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3763            let element = h_flex()
3764                .py_1()
3765                .px_2()
3766                .gap_2()
3767                .justify_between()
3768                .bg(cx.theme().colors().editor_background)
3769                .when(index < plan.entries.len() - 1, |parent| {
3770                    parent.border_color(cx.theme().colors().border).border_b_1()
3771                })
3772                .child(
3773                    h_flex()
3774                        .id(("plan_entry", index))
3775                        .gap_1p5()
3776                        .max_w_full()
3777                        .overflow_x_scroll()
3778                        .text_xs()
3779                        .text_color(cx.theme().colors().text_muted)
3780                        .child(match entry.status {
3781                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3782                                .size(IconSize::Small)
3783                                .color(Color::Muted)
3784                                .into_any_element(),
3785                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3786                                .size(IconSize::Small)
3787                                .color(Color::Accent)
3788                                .with_rotate_animation(2)
3789                                .into_any_element(),
3790                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3791                                .size(IconSize::Small)
3792                                .color(Color::Success)
3793                                .into_any_element(),
3794                        })
3795                        .child(MarkdownElement::new(
3796                            entry.content.clone(),
3797                            plan_label_markdown_style(&entry.status, window, cx),
3798                        )),
3799                );
3800
3801            Some(element)
3802        }))
3803    }
3804
3805    fn render_edits_summary(
3806        &self,
3807        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3808        expanded: bool,
3809        pending_edits: bool,
3810        cx: &Context<Self>,
3811    ) -> Div {
3812        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3813
3814        let focus_handle = self.focus_handle(cx);
3815
3816        h_flex()
3817            .p_1()
3818            .justify_between()
3819            .flex_wrap()
3820            .when(expanded, |this| {
3821                this.border_b_1().border_color(cx.theme().colors().border)
3822            })
3823            .child(
3824                h_flex()
3825                    .id("edits-container")
3826                    .cursor_pointer()
3827                    .gap_1()
3828                    .child(Disclosure::new("edits-disclosure", expanded))
3829                    .map(|this| {
3830                        if pending_edits {
3831                            this.child(
3832                                Label::new(format!(
3833                                    "Editing {} {}",
3834                                    changed_buffers.len(),
3835                                    if changed_buffers.len() == 1 {
3836                                        "file"
3837                                    } else {
3838                                        "files"
3839                                    }
3840                                ))
3841                                .color(Color::Muted)
3842                                .size(LabelSize::Small)
3843                                .with_animation(
3844                                    "edit-label",
3845                                    Animation::new(Duration::from_secs(2))
3846                                        .repeat()
3847                                        .with_easing(pulsating_between(0.3, 0.7)),
3848                                    |label, delta| label.alpha(delta),
3849                                ),
3850                            )
3851                        } else {
3852                            this.child(
3853                                Label::new("Edits")
3854                                    .size(LabelSize::Small)
3855                                    .color(Color::Muted),
3856                            )
3857                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3858                            .child(
3859                                Label::new(format!(
3860                                    "{} {}",
3861                                    changed_buffers.len(),
3862                                    if changed_buffers.len() == 1 {
3863                                        "file"
3864                                    } else {
3865                                        "files"
3866                                    }
3867                                ))
3868                                .size(LabelSize::Small)
3869                                .color(Color::Muted),
3870                            )
3871                        }
3872                    })
3873                    .on_click(cx.listener(|this, _, _, cx| {
3874                        this.edits_expanded = !this.edits_expanded;
3875                        cx.notify();
3876                    })),
3877            )
3878            .child(
3879                h_flex()
3880                    .gap_1()
3881                    .child(
3882                        IconButton::new("review-changes", IconName::ListTodo)
3883                            .icon_size(IconSize::Small)
3884                            .tooltip({
3885                                let focus_handle = focus_handle.clone();
3886                                move |_window, cx| {
3887                                    Tooltip::for_action_in(
3888                                        "Review Changes",
3889                                        &OpenAgentDiff,
3890                                        &focus_handle,
3891                                        cx,
3892                                    )
3893                                }
3894                            })
3895                            .on_click(cx.listener(|_, _, window, cx| {
3896                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3897                            })),
3898                    )
3899                    .child(Divider::vertical().color(DividerColor::Border))
3900                    .child(
3901                        Button::new("reject-all-changes", "Reject All")
3902                            .label_size(LabelSize::Small)
3903                            .disabled(pending_edits)
3904                            .when(pending_edits, |this| {
3905                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3906                            })
3907                            .key_binding(
3908                                KeyBinding::for_action_in(&RejectAll, &focus_handle.clone(), cx)
3909                                    .map(|kb| kb.size(rems_from_px(10.))),
3910                            )
3911                            .on_click(cx.listener(move |this, _, window, cx| {
3912                                this.reject_all(&RejectAll, window, cx);
3913                            })),
3914                    )
3915                    .child(
3916                        Button::new("keep-all-changes", "Keep All")
3917                            .label_size(LabelSize::Small)
3918                            .disabled(pending_edits)
3919                            .when(pending_edits, |this| {
3920                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3921                            })
3922                            .key_binding(
3923                                KeyBinding::for_action_in(&KeepAll, &focus_handle, cx)
3924                                    .map(|kb| kb.size(rems_from_px(10.))),
3925                            )
3926                            .on_click(cx.listener(move |this, _, window, cx| {
3927                                this.keep_all(&KeepAll, window, cx);
3928                            })),
3929                    ),
3930            )
3931    }
3932
3933    fn render_edited_files(
3934        &self,
3935        action_log: &Entity<ActionLog>,
3936        telemetry: ActionLogTelemetry,
3937        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3938        pending_edits: bool,
3939        cx: &Context<Self>,
3940    ) -> Div {
3941        let editor_bg_color = cx.theme().colors().editor_background;
3942
3943        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3944            |(index, (buffer, _diff))| {
3945                let file = buffer.read(cx).file()?;
3946                let path = file.path();
3947                let path_style = file.path_style(cx);
3948                let separator = file.path_style(cx).separator();
3949
3950                let file_path = path.parent().and_then(|parent| {
3951                    if parent.is_empty() {
3952                        None
3953                    } else {
3954                        Some(
3955                            Label::new(format!("{}{separator}", parent.display(path_style)))
3956                                .color(Color::Muted)
3957                                .size(LabelSize::XSmall)
3958                                .buffer_font(cx),
3959                        )
3960                    }
3961                });
3962
3963                let file_name = path.file_name().map(|name| {
3964                    Label::new(name.to_string())
3965                        .size(LabelSize::XSmall)
3966                        .buffer_font(cx)
3967                        .ml_1p5()
3968                });
3969
3970                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3971                    .map(Icon::from_path)
3972                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3973                    .unwrap_or_else(|| {
3974                        Icon::new(IconName::File)
3975                            .color(Color::Muted)
3976                            .size(IconSize::Small)
3977                    });
3978
3979                let overlay_gradient = linear_gradient(
3980                    90.,
3981                    linear_color_stop(editor_bg_color, 1.),
3982                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3983                );
3984
3985                let element = h_flex()
3986                    .group("edited-code")
3987                    .id(("file-container", index))
3988                    .py_1()
3989                    .pl_2()
3990                    .pr_1()
3991                    .gap_2()
3992                    .justify_between()
3993                    .bg(editor_bg_color)
3994                    .when(index < changed_buffers.len() - 1, |parent| {
3995                        parent.border_color(cx.theme().colors().border).border_b_1()
3996                    })
3997                    .child(
3998                        h_flex()
3999                            .id(("file-name-row", index))
4000                            .relative()
4001                            .pr_8()
4002                            .w_full()
4003                            .overflow_x_scroll()
4004                            .child(
4005                                h_flex()
4006                                    .id(("file-name-path", index))
4007                                    .cursor_pointer()
4008                                    .pr_0p5()
4009                                    .gap_0p5()
4010                                    .hover(|s| s.bg(cx.theme().colors().element_hover))
4011                                    .rounded_xs()
4012                                    .child(file_icon)
4013                                    .children(file_name)
4014                                    .children(file_path)
4015                                    .tooltip(Tooltip::text("Go to File"))
4016                                    .on_click({
4017                                        let buffer = buffer.clone();
4018                                        cx.listener(move |this, _, window, cx| {
4019                                            this.open_edited_buffer(&buffer, window, cx);
4020                                        })
4021                                    }),
4022                            )
4023                            .child(
4024                                div()
4025                                    .absolute()
4026                                    .h_full()
4027                                    .w_12()
4028                                    .top_0()
4029                                    .bottom_0()
4030                                    .right_0()
4031                                    .bg(overlay_gradient),
4032                            ),
4033                    )
4034                    .child(
4035                        h_flex()
4036                            .gap_1()
4037                            .visible_on_hover("edited-code")
4038                            .child(
4039                                Button::new("review", "Review")
4040                                    .label_size(LabelSize::Small)
4041                                    .on_click({
4042                                        let buffer = buffer.clone();
4043                                        cx.listener(move |this, _, window, cx| {
4044                                            this.open_edited_buffer(&buffer, window, cx);
4045                                        })
4046                                    }),
4047                            )
4048                            .child(Divider::vertical().color(DividerColor::BorderVariant))
4049                            .child(
4050                                Button::new("reject-file", "Reject")
4051                                    .label_size(LabelSize::Small)
4052                                    .disabled(pending_edits)
4053                                    .on_click({
4054                                        let buffer = buffer.clone();
4055                                        let action_log = action_log.clone();
4056                                        let telemetry = telemetry.clone();
4057                                        move |_, _, cx| {
4058                                            action_log.update(cx, |action_log, cx| {
4059                                                action_log
4060                                                    .reject_edits_in_ranges(
4061                                                        buffer.clone(),
4062                                                        vec![Anchor::MIN..Anchor::MAX],
4063                                                        Some(telemetry.clone()),
4064                                                        cx,
4065                                                    )
4066                                                    .detach_and_log_err(cx);
4067                                            })
4068                                        }
4069                                    }),
4070                            )
4071                            .child(
4072                                Button::new("keep-file", "Keep")
4073                                    .label_size(LabelSize::Small)
4074                                    .disabled(pending_edits)
4075                                    .on_click({
4076                                        let buffer = buffer.clone();
4077                                        let action_log = action_log.clone();
4078                                        let telemetry = telemetry.clone();
4079                                        move |_, _, cx| {
4080                                            action_log.update(cx, |action_log, cx| {
4081                                                action_log.keep_edits_in_range(
4082                                                    buffer.clone(),
4083                                                    Anchor::MIN..Anchor::MAX,
4084                                                    Some(telemetry.clone()),
4085                                                    cx,
4086                                                );
4087                                            })
4088                                        }
4089                                    }),
4090                            ),
4091                    );
4092
4093                Some(element)
4094            },
4095        ))
4096    }
4097
4098    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
4099        let focus_handle = self.message_editor.focus_handle(cx);
4100        let editor_bg_color = cx.theme().colors().editor_background;
4101        let (expand_icon, expand_tooltip) = if self.editor_expanded {
4102            (IconName::Minimize, "Minimize Message Editor")
4103        } else {
4104            (IconName::Maximize, "Expand Message Editor")
4105        };
4106
4107        let backdrop = div()
4108            .size_full()
4109            .absolute()
4110            .inset_0()
4111            .bg(cx.theme().colors().panel_background)
4112            .opacity(0.8)
4113            .block_mouse_except_scroll();
4114
4115        let enable_editor = match self.thread_state {
4116            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
4117            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
4118        };
4119
4120        v_flex()
4121            .on_action(cx.listener(Self::expand_message_editor))
4122            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
4123                if let Some(profile_selector) = this.profile_selector.as_ref() {
4124                    profile_selector.read(cx).menu_handle().toggle(window, cx);
4125                } else if let Some(mode_selector) = this.mode_selector() {
4126                    mode_selector.read(cx).menu_handle().toggle(window, cx);
4127                }
4128            }))
4129            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
4130                if let Some(mode_selector) = this.mode_selector() {
4131                    mode_selector.update(cx, |mode_selector, cx| {
4132                        mode_selector.cycle_mode(window, cx);
4133                    });
4134                }
4135            }))
4136            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
4137                if let Some(model_selector) = this.model_selector.as_ref() {
4138                    model_selector
4139                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
4140                }
4141            }))
4142            .p_2()
4143            .gap_2()
4144            .border_t_1()
4145            .border_color(cx.theme().colors().border)
4146            .bg(editor_bg_color)
4147            .when(self.editor_expanded, |this| {
4148                this.h(vh(0.8, window)).size_full().justify_between()
4149            })
4150            .child(
4151                v_flex()
4152                    .relative()
4153                    .size_full()
4154                    .pt_1()
4155                    .pr_2p5()
4156                    .child(self.message_editor.clone())
4157                    .child(
4158                        h_flex()
4159                            .absolute()
4160                            .top_0()
4161                            .right_0()
4162                            .opacity(0.5)
4163                            .hover(|this| this.opacity(1.0))
4164                            .child(
4165                                IconButton::new("toggle-height", expand_icon)
4166                                    .icon_size(IconSize::Small)
4167                                    .icon_color(Color::Muted)
4168                                    .tooltip({
4169                                        move |_window, cx| {
4170                                            Tooltip::for_action_in(
4171                                                expand_tooltip,
4172                                                &ExpandMessageEditor,
4173                                                &focus_handle,
4174                                                cx,
4175                                            )
4176                                        }
4177                                    })
4178                                    .on_click(cx.listener(|this, _, window, cx| {
4179                                        this.expand_message_editor(
4180                                            &ExpandMessageEditor,
4181                                            window,
4182                                            cx,
4183                                        );
4184                                    })),
4185                            ),
4186                    ),
4187            )
4188            .child(
4189                h_flex()
4190                    .flex_none()
4191                    .flex_wrap()
4192                    .justify_between()
4193                    .child(
4194                        h_flex()
4195                            .gap_0p5()
4196                            .child(self.render_add_context_button(cx))
4197                            .child(self.render_follow_toggle(cx))
4198                            .children(self.render_burn_mode_toggle(cx)),
4199                    )
4200                    .child(
4201                        h_flex()
4202                            .gap_1()
4203                            .children(self.render_token_usage(cx))
4204                            .children(self.profile_selector.clone())
4205                            .children(self.mode_selector().cloned())
4206                            .children(self.model_selector.clone())
4207                            .child(self.render_send_button(cx)),
4208                    ),
4209            )
4210            .when(!enable_editor, |this| this.child(backdrop))
4211            .into_any()
4212    }
4213
4214    pub(crate) fn as_native_connection(
4215        &self,
4216        cx: &App,
4217    ) -> Option<Rc<agent::NativeAgentConnection>> {
4218        let acp_thread = self.thread()?.read(cx);
4219        acp_thread.connection().clone().downcast()
4220    }
4221
4222    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4223        let acp_thread = self.thread()?.read(cx);
4224        self.as_native_connection(cx)?
4225            .thread(acp_thread.session_id(), cx)
4226    }
4227
4228    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4229        self.as_native_thread(cx)
4230            .and_then(|thread| thread.read(cx).model())
4231            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4232    }
4233
4234    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4235        let thread = self.thread()?.read(cx);
4236        let usage = thread.token_usage()?;
4237        let is_generating = thread.status() != ThreadStatus::Idle;
4238
4239        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4240        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4241
4242        Some(
4243            h_flex()
4244                .flex_shrink_0()
4245                .gap_0p5()
4246                .mr_1p5()
4247                .child(
4248                    Label::new(used)
4249                        .size(LabelSize::Small)
4250                        .color(Color::Muted)
4251                        .map(|label| {
4252                            if is_generating {
4253                                label
4254                                    .with_animation(
4255                                        "used-tokens-label",
4256                                        Animation::new(Duration::from_secs(2))
4257                                            .repeat()
4258                                            .with_easing(pulsating_between(0.3, 0.8)),
4259                                        |label, delta| label.alpha(delta),
4260                                    )
4261                                    .into_any()
4262                            } else {
4263                                label.into_any_element()
4264                            }
4265                        }),
4266                )
4267                .child(
4268                    Label::new("/")
4269                        .size(LabelSize::Small)
4270                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4271                )
4272                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4273        )
4274    }
4275
4276    fn toggle_burn_mode(
4277        &mut self,
4278        _: &ToggleBurnMode,
4279        _window: &mut Window,
4280        cx: &mut Context<Self>,
4281    ) {
4282        let Some(thread) = self.as_native_thread(cx) else {
4283            return;
4284        };
4285
4286        thread.update(cx, |thread, cx| {
4287            let current_mode = thread.completion_mode();
4288            thread.set_completion_mode(
4289                match current_mode {
4290                    CompletionMode::Burn => CompletionMode::Normal,
4291                    CompletionMode::Normal => CompletionMode::Burn,
4292                },
4293                cx,
4294            );
4295        });
4296    }
4297
4298    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4299        let Some(thread) = self.thread() else {
4300            return;
4301        };
4302        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4303        let action_log = thread.read(cx).action_log().clone();
4304        action_log.update(cx, |action_log, cx| {
4305            action_log.keep_all_edits(Some(telemetry), cx)
4306        });
4307    }
4308
4309    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4310        let Some(thread) = self.thread() else {
4311            return;
4312        };
4313        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4314        let action_log = thread.read(cx).action_log().clone();
4315        action_log
4316            .update(cx, |action_log, cx| {
4317                action_log.reject_all_edits(Some(telemetry), cx)
4318            })
4319            .detach();
4320    }
4321
4322    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4323        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4324    }
4325
4326    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4327        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4328    }
4329
4330    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4331        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4332    }
4333
4334    fn authorize_pending_tool_call(
4335        &mut self,
4336        kind: acp::PermissionOptionKind,
4337        window: &mut Window,
4338        cx: &mut Context<Self>,
4339    ) -> Option<()> {
4340        let thread = self.thread()?.read(cx);
4341        let tool_call = thread.first_tool_awaiting_confirmation()?;
4342        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4343            return None;
4344        };
4345        let option = options.iter().find(|o| o.kind == kind)?;
4346
4347        self.authorize_tool_call(
4348            tool_call.id.clone(),
4349            option.id.clone(),
4350            option.kind,
4351            window,
4352            cx,
4353        );
4354
4355        Some(())
4356    }
4357
4358    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4359        let thread = self.as_native_thread(cx)?.read(cx);
4360
4361        if thread
4362            .model()
4363            .is_none_or(|model| !model.supports_burn_mode())
4364        {
4365            return None;
4366        }
4367
4368        let active_completion_mode = thread.completion_mode();
4369        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4370        let icon = if burn_mode_enabled {
4371            IconName::ZedBurnModeOn
4372        } else {
4373            IconName::ZedBurnMode
4374        };
4375
4376        Some(
4377            IconButton::new("burn-mode", icon)
4378                .icon_size(IconSize::Small)
4379                .icon_color(Color::Muted)
4380                .toggle_state(burn_mode_enabled)
4381                .selected_icon_color(Color::Error)
4382                .on_click(cx.listener(|this, _event, window, cx| {
4383                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4384                }))
4385                .tooltip(move |_window, cx| {
4386                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4387                        .into()
4388                })
4389                .into_any_element(),
4390        )
4391    }
4392
4393    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4394        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4395        let is_generating = self
4396            .thread()
4397            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4398
4399        if self.is_loading_contents {
4400            div()
4401                .id("loading-message-content")
4402                .px_1()
4403                .tooltip(Tooltip::text("Loading Added Context…"))
4404                .child(loading_contents_spinner(IconSize::default()))
4405                .into_any_element()
4406        } else if is_generating && is_editor_empty {
4407            IconButton::new("stop-generation", IconName::Stop)
4408                .icon_color(Color::Error)
4409                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4410                .tooltip(move |_window, cx| {
4411                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4412                })
4413                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4414                .into_any_element()
4415        } else {
4416            let send_btn_tooltip = if is_editor_empty && !is_generating {
4417                "Type to Send"
4418            } else if is_generating {
4419                "Stop and Send Message"
4420            } else {
4421                "Send"
4422            };
4423
4424            IconButton::new("send-message", IconName::Send)
4425                .style(ButtonStyle::Filled)
4426                .map(|this| {
4427                    if is_editor_empty && !is_generating {
4428                        this.disabled(true).icon_color(Color::Muted)
4429                    } else {
4430                        this.icon_color(Color::Accent)
4431                    }
4432                })
4433                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4434                .on_click(cx.listener(|this, _, window, cx| {
4435                    this.send(window, cx);
4436                }))
4437                .into_any_element()
4438        }
4439    }
4440
4441    fn is_following(&self, cx: &App) -> bool {
4442        match self.thread().map(|thread| thread.read(cx).status()) {
4443            Some(ThreadStatus::Generating) => self
4444                .workspace
4445                .read_with(cx, |workspace, _| {
4446                    workspace.is_being_followed(CollaboratorId::Agent)
4447                })
4448                .unwrap_or(false),
4449            _ => self.should_be_following,
4450        }
4451    }
4452
4453    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4454        let following = self.is_following(cx);
4455
4456        self.should_be_following = !following;
4457        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4458            self.workspace
4459                .update(cx, |workspace, cx| {
4460                    if following {
4461                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4462                    } else {
4463                        workspace.follow(CollaboratorId::Agent, window, cx);
4464                    }
4465                })
4466                .ok();
4467        }
4468
4469        telemetry::event!("Follow Agent Selected", following = !following);
4470    }
4471
4472    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4473        let following = self.is_following(cx);
4474
4475        let tooltip_label = if following {
4476            if self.agent.name() == "Zed Agent" {
4477                format!("Stop Following the {}", self.agent.name())
4478            } else {
4479                format!("Stop Following {}", self.agent.name())
4480            }
4481        } else {
4482            if self.agent.name() == "Zed Agent" {
4483                format!("Follow the {}", self.agent.name())
4484            } else {
4485                format!("Follow {}", self.agent.name())
4486            }
4487        };
4488
4489        IconButton::new("follow-agent", IconName::Crosshair)
4490            .icon_size(IconSize::Small)
4491            .icon_color(Color::Muted)
4492            .toggle_state(following)
4493            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4494            .tooltip(move |_window, cx| {
4495                if following {
4496                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4497                } else {
4498                    Tooltip::with_meta(
4499                        tooltip_label.clone(),
4500                        Some(&Follow),
4501                        "Track the agent's location as it reads and edits files.",
4502                        cx,
4503                    )
4504                }
4505            })
4506            .on_click(cx.listener(move |this, _, window, cx| {
4507                this.toggle_following(window, cx);
4508            }))
4509    }
4510
4511    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
4512        let message_editor = self.message_editor.clone();
4513        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
4514
4515        IconButton::new("add-context", IconName::AtSign)
4516            .icon_size(IconSize::Small)
4517            .icon_color(Color::Muted)
4518            .when(!menu_visible, |this| {
4519                this.tooltip(move |_window, cx| {
4520                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
4521                })
4522            })
4523            .on_click(cx.listener(move |_this, _, window, cx| {
4524                let message_editor_clone = message_editor.clone();
4525
4526                window.defer(cx, move |window, cx| {
4527                    message_editor_clone.update(cx, |message_editor, cx| {
4528                        message_editor.trigger_completion_menu(window, cx);
4529                    });
4530                });
4531            }))
4532    }
4533
4534    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4535        let workspace = self.workspace.clone();
4536        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4537            Self::open_link(text, &workspace, window, cx);
4538        })
4539    }
4540
4541    fn open_link(
4542        url: SharedString,
4543        workspace: &WeakEntity<Workspace>,
4544        window: &mut Window,
4545        cx: &mut App,
4546    ) {
4547        let Some(workspace) = workspace.upgrade() else {
4548            cx.open_url(&url);
4549            return;
4550        };
4551
4552        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4553        {
4554            workspace.update(cx, |workspace, cx| match mention {
4555                MentionUri::File { abs_path } => {
4556                    let project = workspace.project();
4557                    let Some(path) =
4558                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4559                    else {
4560                        return;
4561                    };
4562
4563                    workspace
4564                        .open_path(path, None, true, window, cx)
4565                        .detach_and_log_err(cx);
4566                }
4567                MentionUri::PastedImage => {}
4568                MentionUri::Directory { abs_path } => {
4569                    let project = workspace.project();
4570                    let Some(entry_id) = project.update(cx, |project, cx| {
4571                        let path = project.find_project_path(abs_path, cx)?;
4572                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4573                    }) else {
4574                        return;
4575                    };
4576
4577                    project.update(cx, |_, cx| {
4578                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4579                    });
4580                }
4581                MentionUri::Symbol {
4582                    abs_path: path,
4583                    line_range,
4584                    ..
4585                }
4586                | MentionUri::Selection {
4587                    abs_path: Some(path),
4588                    line_range,
4589                } => {
4590                    let project = workspace.project();
4591                    let Some(path) =
4592                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4593                    else {
4594                        return;
4595                    };
4596
4597                    let item = workspace.open_path(path, None, true, window, cx);
4598                    window
4599                        .spawn(cx, async move |cx| {
4600                            let Some(editor) = item.await?.downcast::<Editor>() else {
4601                                return Ok(());
4602                            };
4603                            let range = Point::new(*line_range.start(), 0)
4604                                ..Point::new(*line_range.start(), 0);
4605                            editor
4606                                .update_in(cx, |editor, window, cx| {
4607                                    editor.change_selections(
4608                                        SelectionEffects::scroll(Autoscroll::center()),
4609                                        window,
4610                                        cx,
4611                                        |s| s.select_ranges(vec![range]),
4612                                    );
4613                                })
4614                                .ok();
4615                            anyhow::Ok(())
4616                        })
4617                        .detach_and_log_err(cx);
4618                }
4619                MentionUri::Selection { abs_path: None, .. } => {}
4620                MentionUri::Thread { id, name } => {
4621                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4622                        panel.update(cx, |panel, cx| {
4623                            panel.load_agent_thread(
4624                                DbThreadMetadata {
4625                                    id,
4626                                    title: name.into(),
4627                                    updated_at: Default::default(),
4628                                },
4629                                window,
4630                                cx,
4631                            )
4632                        });
4633                    }
4634                }
4635                MentionUri::TextThread { path, .. } => {
4636                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4637                        panel.update(cx, |panel, cx| {
4638                            panel
4639                                .open_saved_text_thread(path.as_path().into(), window, cx)
4640                                .detach_and_log_err(cx);
4641                        });
4642                    }
4643                }
4644                MentionUri::Rule { id, .. } => {
4645                    let PromptId::User { uuid } = id else {
4646                        return;
4647                    };
4648                    window.dispatch_action(
4649                        Box::new(OpenRulesLibrary {
4650                            prompt_to_select: Some(uuid.0),
4651                        }),
4652                        cx,
4653                    )
4654                }
4655                MentionUri::Fetch { url } => {
4656                    cx.open_url(url.as_str());
4657                }
4658            })
4659        } else {
4660            cx.open_url(&url);
4661        }
4662    }
4663
4664    fn open_tool_call_location(
4665        &self,
4666        entry_ix: usize,
4667        location_ix: usize,
4668        window: &mut Window,
4669        cx: &mut Context<Self>,
4670    ) -> Option<()> {
4671        let (tool_call_location, agent_location) = self
4672            .thread()?
4673            .read(cx)
4674            .entries()
4675            .get(entry_ix)?
4676            .location(location_ix)?;
4677
4678        let project_path = self
4679            .project
4680            .read(cx)
4681            .find_project_path(&tool_call_location.path, cx)?;
4682
4683        let open_task = self
4684            .workspace
4685            .update(cx, |workspace, cx| {
4686                workspace.open_path(project_path, None, true, window, cx)
4687            })
4688            .log_err()?;
4689        window
4690            .spawn(cx, async move |cx| {
4691                let item = open_task.await?;
4692
4693                let Some(active_editor) = item.downcast::<Editor>() else {
4694                    return anyhow::Ok(());
4695                };
4696
4697                active_editor.update_in(cx, |editor, window, cx| {
4698                    let multibuffer = editor.buffer().read(cx);
4699                    let buffer = multibuffer.as_singleton();
4700                    if agent_location.buffer.upgrade() == buffer {
4701                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4702                        let anchor = editor::Anchor::in_buffer(
4703                            excerpt_id.unwrap(),
4704                            buffer.unwrap().read(cx).remote_id(),
4705                            agent_location.position,
4706                        );
4707                        editor.change_selections(Default::default(), window, cx, |selections| {
4708                            selections.select_anchor_ranges([anchor..anchor]);
4709                        })
4710                    } else {
4711                        let row = tool_call_location.line.unwrap_or_default();
4712                        editor.change_selections(Default::default(), window, cx, |selections| {
4713                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4714                        })
4715                    }
4716                })?;
4717
4718                anyhow::Ok(())
4719            })
4720            .detach_and_log_err(cx);
4721
4722        None
4723    }
4724
4725    pub fn open_thread_as_markdown(
4726        &self,
4727        workspace: Entity<Workspace>,
4728        window: &mut Window,
4729        cx: &mut App,
4730    ) -> Task<Result<()>> {
4731        let markdown_language_task = workspace
4732            .read(cx)
4733            .app_state()
4734            .languages
4735            .language_for_name("Markdown");
4736
4737        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4738            let thread = thread.read(cx);
4739            (thread.title().to_string(), thread.to_markdown(cx))
4740        } else {
4741            return Task::ready(Ok(()));
4742        };
4743
4744        let project = workspace.read(cx).project().clone();
4745        window.spawn(cx, async move |cx| {
4746            let markdown_language = markdown_language_task.await?;
4747
4748            let buffer = project
4749                .update(cx, |project, cx| project.create_buffer(false, cx))?
4750                .await?;
4751
4752            buffer.update(cx, |buffer, cx| {
4753                buffer.set_text(markdown, cx);
4754                buffer.set_language(Some(markdown_language), cx);
4755                buffer.set_capability(language::Capability::ReadOnly, cx);
4756            })?;
4757
4758            workspace.update_in(cx, |workspace, window, cx| {
4759                let buffer = cx
4760                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4761
4762                workspace.add_item_to_active_pane(
4763                    Box::new(cx.new(|cx| {
4764                        let mut editor =
4765                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4766                        editor.set_breadcrumb_header(thread_title);
4767                        editor
4768                    })),
4769                    None,
4770                    true,
4771                    window,
4772                    cx,
4773                );
4774            })?;
4775            anyhow::Ok(())
4776        })
4777    }
4778
4779    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4780        self.list_state.scroll_to(ListOffset::default());
4781        cx.notify();
4782    }
4783
4784    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4785        if let Some(thread) = self.thread() {
4786            let entry_count = thread.read(cx).entries().len();
4787            self.list_state.reset(entry_count);
4788            cx.notify();
4789        }
4790    }
4791
4792    fn notify_with_sound(
4793        &mut self,
4794        caption: impl Into<SharedString>,
4795        icon: IconName,
4796        window: &mut Window,
4797        cx: &mut Context<Self>,
4798    ) {
4799        self.play_notification_sound(window, cx);
4800        self.show_notification(caption, icon, window, cx);
4801    }
4802
4803    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4804        let settings = AgentSettings::get_global(cx);
4805        if settings.play_sound_when_agent_done && !window.is_window_active() {
4806            Audio::play_sound(Sound::AgentDone, cx);
4807        }
4808    }
4809
4810    fn show_notification(
4811        &mut self,
4812        caption: impl Into<SharedString>,
4813        icon: IconName,
4814        window: &mut Window,
4815        cx: &mut Context<Self>,
4816    ) {
4817        if !self.notifications.is_empty() {
4818            return;
4819        }
4820
4821        let settings = AgentSettings::get_global(cx);
4822
4823        let window_is_inactive = !window.is_window_active();
4824        let panel_is_hidden = self
4825            .workspace
4826            .upgrade()
4827            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4828            .unwrap_or(true);
4829
4830        let should_notify = window_is_inactive || panel_is_hidden;
4831
4832        if !should_notify {
4833            return;
4834        }
4835
4836        // TODO: Change this once we have title summarization for external agents.
4837        let title = self.agent.name();
4838
4839        match settings.notify_when_agent_waiting {
4840            NotifyWhenAgentWaiting::PrimaryScreen => {
4841                if let Some(primary) = cx.primary_display() {
4842                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4843                }
4844            }
4845            NotifyWhenAgentWaiting::AllScreens => {
4846                let caption = caption.into();
4847                for screen in cx.displays() {
4848                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4849                }
4850            }
4851            NotifyWhenAgentWaiting::Never => {
4852                // Don't show anything
4853            }
4854        }
4855    }
4856
4857    fn pop_up(
4858        &mut self,
4859        icon: IconName,
4860        caption: SharedString,
4861        title: SharedString,
4862        window: &mut Window,
4863        screen: Rc<dyn PlatformDisplay>,
4864        cx: &mut Context<Self>,
4865    ) {
4866        let options = AgentNotification::window_options(screen, cx);
4867
4868        let project_name = self.workspace.upgrade().and_then(|workspace| {
4869            workspace
4870                .read(cx)
4871                .project()
4872                .read(cx)
4873                .visible_worktrees(cx)
4874                .next()
4875                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4876        });
4877
4878        if let Some(screen_window) = cx
4879            .open_window(options, |_, cx| {
4880                cx.new(|_| {
4881                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4882                })
4883            })
4884            .log_err()
4885            && let Some(pop_up) = screen_window.entity(cx).log_err()
4886        {
4887            self.notification_subscriptions
4888                .entry(screen_window)
4889                .or_insert_with(Vec::new)
4890                .push(cx.subscribe_in(&pop_up, window, {
4891                    |this, _, event, window, cx| match event {
4892                        AgentNotificationEvent::Accepted => {
4893                            let handle = window.window_handle();
4894                            cx.activate(true);
4895
4896                            let workspace_handle = this.workspace.clone();
4897
4898                            // If there are multiple Zed windows, activate the correct one.
4899                            cx.defer(move |cx| {
4900                                handle
4901                                    .update(cx, |_view, window, _cx| {
4902                                        window.activate_window();
4903
4904                                        if let Some(workspace) = workspace_handle.upgrade() {
4905                                            workspace.update(_cx, |workspace, cx| {
4906                                                workspace.focus_panel::<AgentPanel>(window, cx);
4907                                            });
4908                                        }
4909                                    })
4910                                    .log_err();
4911                            });
4912
4913                            this.dismiss_notifications(cx);
4914                        }
4915                        AgentNotificationEvent::Dismissed => {
4916                            this.dismiss_notifications(cx);
4917                        }
4918                    }
4919                }));
4920
4921            self.notifications.push(screen_window);
4922
4923            // If the user manually refocuses the original window, dismiss the popup.
4924            self.notification_subscriptions
4925                .entry(screen_window)
4926                .or_insert_with(Vec::new)
4927                .push({
4928                    let pop_up_weak = pop_up.downgrade();
4929
4930                    cx.observe_window_activation(window, move |_, window, cx| {
4931                        if window.is_window_active()
4932                            && let Some(pop_up) = pop_up_weak.upgrade()
4933                        {
4934                            pop_up.update(cx, |_, cx| {
4935                                cx.emit(AgentNotificationEvent::Dismissed);
4936                            });
4937                        }
4938                    })
4939                });
4940        }
4941    }
4942
4943    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4944        for window in self.notifications.drain(..) {
4945            window
4946                .update(cx, |_, window, _| {
4947                    window.remove_window();
4948                })
4949                .ok();
4950
4951            self.notification_subscriptions.remove(&window);
4952        }
4953    }
4954
4955    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
4956        h_flex()
4957            .id("generating-spinner")
4958            .py_2()
4959            .px(rems_from_px(22.))
4960            .map(|this| {
4961                if confirmation {
4962                    this.gap_2()
4963                        .child(
4964                            h_flex()
4965                                .w_2()
4966                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
4967                        )
4968                        .child(
4969                            LoadingLabel::new("Waiting Confirmation")
4970                                .size(LabelSize::Small)
4971                                .color(Color::Muted),
4972                        )
4973                } else {
4974                    this.child(SpinnerLabel::new().size(LabelSize::Small))
4975                }
4976            })
4977            .into_any_element()
4978    }
4979
4980    fn render_thread_controls(
4981        &self,
4982        thread: &Entity<AcpThread>,
4983        cx: &Context<Self>,
4984    ) -> impl IntoElement {
4985        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4986        if is_generating {
4987            return self.render_generating(false).into_any_element();
4988        }
4989
4990        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4991            .shape(ui::IconButtonShape::Square)
4992            .icon_size(IconSize::Small)
4993            .icon_color(Color::Ignored)
4994            .tooltip(Tooltip::text("Open Thread as Markdown"))
4995            .on_click(cx.listener(move |this, _, window, cx| {
4996                if let Some(workspace) = this.workspace.upgrade() {
4997                    this.open_thread_as_markdown(workspace, window, cx)
4998                        .detach_and_log_err(cx);
4999                }
5000            }));
5001
5002        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
5003            .shape(ui::IconButtonShape::Square)
5004            .icon_size(IconSize::Small)
5005            .icon_color(Color::Ignored)
5006            .tooltip(Tooltip::text("Scroll To Top"))
5007            .on_click(cx.listener(move |this, _, _, cx| {
5008                this.scroll_to_top(cx);
5009            }));
5010
5011        let mut container = h_flex()
5012            .id("thread-controls-container")
5013            .group("thread-controls-container")
5014            .w_full()
5015            .py_2()
5016            .px_5()
5017            .gap_px()
5018            .opacity(0.6)
5019            .hover(|style| style.opacity(1.))
5020            .flex_wrap()
5021            .justify_end();
5022
5023        if AgentSettings::get_global(cx).enable_feedback
5024            && self
5025                .thread()
5026                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5027        {
5028            let feedback = self.thread_feedback.feedback;
5029
5030            container = container
5031                .child(
5032                    div().visible_on_hover("thread-controls-container").child(
5033                        Label::new(match feedback {
5034                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
5035                            Some(ThreadFeedback::Negative) => {
5036                                "We appreciate your feedback and will use it to improve."
5037                            }
5038                            None => {
5039                                "Rating the thread sends all of your current conversation to the Zed team."
5040                            }
5041                        })
5042                        .color(Color::Muted)
5043                        .size(LabelSize::XSmall)
5044                        .truncate(),
5045                    ),
5046                )
5047                .child(
5048                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5049                        .shape(ui::IconButtonShape::Square)
5050                        .icon_size(IconSize::Small)
5051                        .icon_color(match feedback {
5052                            Some(ThreadFeedback::Positive) => Color::Accent,
5053                            _ => Color::Ignored,
5054                        })
5055                        .tooltip(Tooltip::text("Helpful Response"))
5056                        .on_click(cx.listener(move |this, _, window, cx| {
5057                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5058                        })),
5059                )
5060                .child(
5061                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5062                        .shape(ui::IconButtonShape::Square)
5063                        .icon_size(IconSize::Small)
5064                        .icon_color(match feedback {
5065                            Some(ThreadFeedback::Negative) => Color::Accent,
5066                            _ => Color::Ignored,
5067                        })
5068                        .tooltip(Tooltip::text("Not Helpful"))
5069                        .on_click(cx.listener(move |this, _, window, cx| {
5070                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5071                        })),
5072                );
5073        }
5074
5075        container
5076            .child(open_as_markdown)
5077            .child(scroll_to_top)
5078            .into_any_element()
5079    }
5080
5081    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5082        h_flex()
5083            .key_context("AgentFeedbackMessageEditor")
5084            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5085                this.thread_feedback.dismiss_comments();
5086                cx.notify();
5087            }))
5088            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5089                this.submit_feedback_message(cx);
5090            }))
5091            .p_2()
5092            .mb_2()
5093            .mx_5()
5094            .gap_1()
5095            .rounded_md()
5096            .border_1()
5097            .border_color(cx.theme().colors().border)
5098            .bg(cx.theme().colors().editor_background)
5099            .child(div().w_full().child(editor))
5100            .child(
5101                h_flex()
5102                    .child(
5103                        IconButton::new("dismiss-feedback-message", IconName::Close)
5104                            .icon_color(Color::Error)
5105                            .icon_size(IconSize::XSmall)
5106                            .shape(ui::IconButtonShape::Square)
5107                            .on_click(cx.listener(move |this, _, _window, cx| {
5108                                this.thread_feedback.dismiss_comments();
5109                                cx.notify();
5110                            })),
5111                    )
5112                    .child(
5113                        IconButton::new("submit-feedback-message", IconName::Return)
5114                            .icon_size(IconSize::XSmall)
5115                            .shape(ui::IconButtonShape::Square)
5116                            .on_click(cx.listener(move |this, _, _window, cx| {
5117                                this.submit_feedback_message(cx);
5118                            })),
5119                    ),
5120            )
5121    }
5122
5123    fn handle_feedback_click(
5124        &mut self,
5125        feedback: ThreadFeedback,
5126        window: &mut Window,
5127        cx: &mut Context<Self>,
5128    ) {
5129        let Some(thread) = self.thread().cloned() else {
5130            return;
5131        };
5132
5133        self.thread_feedback.submit(thread, feedback, window, cx);
5134        cx.notify();
5135    }
5136
5137    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5138        let Some(thread) = self.thread().cloned() else {
5139            return;
5140        };
5141
5142        self.thread_feedback.submit_comments(thread, cx);
5143        cx.notify();
5144    }
5145
5146    fn render_token_limit_callout(
5147        &self,
5148        line_height: Pixels,
5149        cx: &mut Context<Self>,
5150    ) -> Option<Callout> {
5151        let token_usage = self.thread()?.read(cx).token_usage()?;
5152        let ratio = token_usage.ratio();
5153
5154        let (severity, title) = match ratio {
5155            acp_thread::TokenUsageRatio::Normal => return None,
5156            acp_thread::TokenUsageRatio::Warning => {
5157                (Severity::Warning, "Thread reaching the token limit soon")
5158            }
5159            acp_thread::TokenUsageRatio::Exceeded => {
5160                (Severity::Error, "Thread reached the token limit")
5161            }
5162        };
5163
5164        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5165            thread.read(cx).completion_mode() == CompletionMode::Normal
5166                && thread
5167                    .read(cx)
5168                    .model()
5169                    .is_some_and(|model| model.supports_burn_mode())
5170        });
5171
5172        let description = if burn_mode_available {
5173            "To continue, start a new thread from a summary or turn Burn Mode on."
5174        } else {
5175            "To continue, start a new thread from a summary."
5176        };
5177
5178        Some(
5179            Callout::new()
5180                .severity(severity)
5181                .line_height(line_height)
5182                .title(title)
5183                .description(description)
5184                .actions_slot(
5185                    h_flex()
5186                        .gap_0p5()
5187                        .child(
5188                            Button::new("start-new-thread", "Start New Thread")
5189                                .label_size(LabelSize::Small)
5190                                .on_click(cx.listener(|this, _, window, cx| {
5191                                    let Some(thread) = this.thread() else {
5192                                        return;
5193                                    };
5194                                    let session_id = thread.read(cx).session_id().clone();
5195                                    window.dispatch_action(
5196                                        crate::NewNativeAgentThreadFromSummary {
5197                                            from_session_id: session_id,
5198                                        }
5199                                        .boxed_clone(),
5200                                        cx,
5201                                    );
5202                                })),
5203                        )
5204                        .when(burn_mode_available, |this| {
5205                            this.child(
5206                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5207                                    .icon_size(IconSize::XSmall)
5208                                    .on_click(cx.listener(|this, _event, window, cx| {
5209                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5210                                    })),
5211                            )
5212                        }),
5213                ),
5214        )
5215    }
5216
5217    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5218        if !self.is_using_zed_ai_models(cx) {
5219            return None;
5220        }
5221
5222        let user_store = self.project.read(cx).user_store().read(cx);
5223        if user_store.is_usage_based_billing_enabled() {
5224            return None;
5225        }
5226
5227        let plan = user_store
5228            .plan()
5229            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5230
5231        let usage = user_store.model_request_usage()?;
5232
5233        Some(
5234            div()
5235                .child(UsageCallout::new(plan, usage))
5236                .line_height(line_height),
5237        )
5238    }
5239
5240    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5241        self.entry_view_state.update(cx, |entry_view_state, cx| {
5242            entry_view_state.agent_ui_font_size_changed(cx);
5243        });
5244    }
5245
5246    pub(crate) fn insert_dragged_files(
5247        &self,
5248        paths: Vec<project::ProjectPath>,
5249        added_worktrees: Vec<Entity<project::Worktree>>,
5250        window: &mut Window,
5251        cx: &mut Context<Self>,
5252    ) {
5253        self.message_editor.update(cx, |message_editor, cx| {
5254            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5255        })
5256    }
5257
5258    /// Inserts the selected text into the message editor or the message being
5259    /// edited, if any.
5260    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5261        self.active_editor(cx).update(cx, |editor, cx| {
5262            editor.insert_selections(window, cx);
5263        });
5264    }
5265
5266    fn render_thread_retry_status_callout(
5267        &self,
5268        _window: &mut Window,
5269        _cx: &mut Context<Self>,
5270    ) -> Option<Callout> {
5271        let state = self.thread_retry_status.as_ref()?;
5272
5273        let next_attempt_in = state
5274            .duration
5275            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5276        if next_attempt_in.is_zero() {
5277            return None;
5278        }
5279
5280        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5281
5282        let retry_message = if state.max_attempts == 1 {
5283            if next_attempt_in_secs == 1 {
5284                "Retrying. Next attempt in 1 second.".to_string()
5285            } else {
5286                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5287            }
5288        } else if next_attempt_in_secs == 1 {
5289            format!(
5290                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5291                state.attempt, state.max_attempts,
5292            )
5293        } else {
5294            format!(
5295                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5296                state.attempt, state.max_attempts,
5297            )
5298        };
5299
5300        Some(
5301            Callout::new()
5302                .severity(Severity::Warning)
5303                .title(state.last_error.clone())
5304                .description(retry_message),
5305        )
5306    }
5307
5308    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5309        if self.show_codex_windows_warning {
5310            Some(
5311                Callout::new()
5312                    .icon(IconName::Warning)
5313                    .severity(Severity::Warning)
5314                    .title("Codex on Windows")
5315                    .description(
5316                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5317                    )
5318                    .actions_slot(
5319                        Button::new("open-wsl-modal", "Open in WSL")
5320                            .icon_size(IconSize::Small)
5321                            .icon_color(Color::Muted)
5322                            .on_click(cx.listener({
5323                                move |_, _, _window, cx| {
5324                                    #[cfg(windows)]
5325                                    _window.dispatch_action(
5326                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5327                                        cx,
5328                                    );
5329                                    cx.notify();
5330                                }
5331                            })),
5332                    )
5333                    .dismiss_action(
5334                        IconButton::new("dismiss", IconName::Close)
5335                            .icon_size(IconSize::Small)
5336                            .icon_color(Color::Muted)
5337                            .tooltip(Tooltip::text("Dismiss Warning"))
5338                            .on_click(cx.listener({
5339                                move |this, _, _, cx| {
5340                                    this.show_codex_windows_warning = false;
5341                                    cx.notify();
5342                                }
5343                            })),
5344                    ),
5345            )
5346        } else {
5347            None
5348        }
5349    }
5350
5351    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5352        let content = match self.thread_error.as_ref()? {
5353            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
5354            ThreadError::Refusal => self.render_refusal_error(cx),
5355            ThreadError::AuthenticationRequired(error) => {
5356                self.render_authentication_required_error(error.clone(), cx)
5357            }
5358            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5359            ThreadError::ModelRequestLimitReached(plan) => {
5360                self.render_model_request_limit_reached_error(*plan, cx)
5361            }
5362            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5363        };
5364
5365        Some(div().child(content))
5366    }
5367
5368    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5369        v_flex().w_full().justify_end().child(
5370            h_flex()
5371                .p_2()
5372                .pr_3()
5373                .w_full()
5374                .gap_1p5()
5375                .border_t_1()
5376                .border_color(cx.theme().colors().border)
5377                .bg(cx.theme().colors().element_background)
5378                .child(
5379                    h_flex()
5380                        .flex_1()
5381                        .gap_1p5()
5382                        .child(
5383                            Icon::new(IconName::Download)
5384                                .color(Color::Accent)
5385                                .size(IconSize::Small),
5386                        )
5387                        .child(Label::new("New version available").size(LabelSize::Small)),
5388                )
5389                .child(
5390                    Button::new("update-button", format!("Update to v{}", version))
5391                        .label_size(LabelSize::Small)
5392                        .style(ButtonStyle::Tinted(TintColor::Accent))
5393                        .on_click(cx.listener(|this, _, window, cx| {
5394                            this.reset(window, cx);
5395                        })),
5396                ),
5397        )
5398    }
5399
5400    fn current_model_id(&self, cx: &App) -> Option<String> {
5401        self.model_selector
5402            .as_ref()
5403            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5404    }
5405
5406    fn current_model_name(&self, cx: &App) -> SharedString {
5407        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5408        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5409        // This provides better clarity about what refused the request
5410        if self.as_native_connection(cx).is_some() {
5411            self.model_selector
5412                .as_ref()
5413                .and_then(|selector| selector.read(cx).active_model(cx))
5414                .map(|model| model.name.clone())
5415                .unwrap_or_else(|| SharedString::from("The model"))
5416        } else {
5417            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5418            self.agent.name()
5419        }
5420    }
5421
5422    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5423        let model_or_agent_name = self.current_model_name(cx);
5424        let refusal_message = format!(
5425            "{} 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.",
5426            model_or_agent_name
5427        );
5428
5429        Callout::new()
5430            .severity(Severity::Error)
5431            .title("Request Refused")
5432            .icon(IconName::XCircle)
5433            .description(refusal_message.clone())
5434            .actions_slot(self.create_copy_button(&refusal_message))
5435            .dismiss_action(self.dismiss_error_button(cx))
5436    }
5437
5438    fn render_any_thread_error(
5439        &mut self,
5440        error: SharedString,
5441        window: &mut Window,
5442        cx: &mut Context<'_, Self>,
5443    ) -> Callout {
5444        let can_resume = self
5445            .thread()
5446            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5447
5448        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5449            let thread = thread.read(cx);
5450            let supports_burn_mode = thread
5451                .model()
5452                .map_or(false, |model| model.supports_burn_mode());
5453            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5454        });
5455
5456        let markdown = if let Some(markdown) = &self.thread_error_markdown {
5457            markdown.clone()
5458        } else {
5459            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
5460            self.thread_error_markdown = Some(markdown.clone());
5461            markdown
5462        };
5463
5464        let markdown_style = default_markdown_style(false, true, window, cx);
5465        let description = self
5466            .render_markdown(markdown, markdown_style)
5467            .into_any_element();
5468
5469        Callout::new()
5470            .severity(Severity::Error)
5471            .icon(IconName::XCircle)
5472            .title("An Error Happened")
5473            .description_slot(description)
5474            .actions_slot(
5475                h_flex()
5476                    .gap_0p5()
5477                    .when(can_resume && can_enable_burn_mode, |this| {
5478                        this.child(
5479                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5480                                .icon(IconName::ZedBurnMode)
5481                                .icon_position(IconPosition::Start)
5482                                .icon_size(IconSize::Small)
5483                                .label_size(LabelSize::Small)
5484                                .on_click(cx.listener(|this, _, window, cx| {
5485                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5486                                    this.resume_chat(cx);
5487                                })),
5488                        )
5489                    })
5490                    .when(can_resume, |this| {
5491                        this.child(
5492                            IconButton::new("retry", IconName::RotateCw)
5493                                .icon_size(IconSize::Small)
5494                                .tooltip(Tooltip::text("Retry Generation"))
5495                                .on_click(cx.listener(|this, _, _window, cx| {
5496                                    this.resume_chat(cx);
5497                                })),
5498                        )
5499                    })
5500                    .child(self.create_copy_button(error.to_string())),
5501            )
5502            .dismiss_action(self.dismiss_error_button(cx))
5503    }
5504
5505    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5506        const ERROR_MESSAGE: &str =
5507            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5508
5509        Callout::new()
5510            .severity(Severity::Error)
5511            .icon(IconName::XCircle)
5512            .title("Free Usage Exceeded")
5513            .description(ERROR_MESSAGE)
5514            .actions_slot(
5515                h_flex()
5516                    .gap_0p5()
5517                    .child(self.upgrade_button(cx))
5518                    .child(self.create_copy_button(ERROR_MESSAGE)),
5519            )
5520            .dismiss_action(self.dismiss_error_button(cx))
5521    }
5522
5523    fn render_authentication_required_error(
5524        &self,
5525        error: SharedString,
5526        cx: &mut Context<Self>,
5527    ) -> Callout {
5528        Callout::new()
5529            .severity(Severity::Error)
5530            .title("Authentication Required")
5531            .icon(IconName::XCircle)
5532            .description(error.clone())
5533            .actions_slot(
5534                h_flex()
5535                    .gap_0p5()
5536                    .child(self.authenticate_button(cx))
5537                    .child(self.create_copy_button(error)),
5538            )
5539            .dismiss_action(self.dismiss_error_button(cx))
5540    }
5541
5542    fn render_model_request_limit_reached_error(
5543        &self,
5544        plan: cloud_llm_client::Plan,
5545        cx: &mut Context<Self>,
5546    ) -> Callout {
5547        let error_message = match plan {
5548            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5549                "Upgrade to usage-based billing for more prompts."
5550            }
5551            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5552            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5553            cloud_llm_client::Plan::V2(_) => "",
5554        };
5555
5556        Callout::new()
5557            .severity(Severity::Error)
5558            .title("Model Prompt Limit Reached")
5559            .icon(IconName::XCircle)
5560            .description(error_message)
5561            .actions_slot(
5562                h_flex()
5563                    .gap_0p5()
5564                    .child(self.upgrade_button(cx))
5565                    .child(self.create_copy_button(error_message)),
5566            )
5567            .dismiss_action(self.dismiss_error_button(cx))
5568    }
5569
5570    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5571        let thread = self.as_native_thread(cx)?;
5572        let supports_burn_mode = thread
5573            .read(cx)
5574            .model()
5575            .is_some_and(|model| model.supports_burn_mode());
5576
5577        let focus_handle = self.focus_handle(cx);
5578
5579        Some(
5580            Callout::new()
5581                .icon(IconName::Info)
5582                .title("Consecutive tool use limit reached.")
5583                .actions_slot(
5584                    h_flex()
5585                        .gap_0p5()
5586                        .when(supports_burn_mode, |this| {
5587                            this.child(
5588                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5589                                    .style(ButtonStyle::Filled)
5590                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5591                                    .layer(ElevationIndex::ModalSurface)
5592                                    .label_size(LabelSize::Small)
5593                                    .key_binding(
5594                                        KeyBinding::for_action_in(
5595                                            &ContinueWithBurnMode,
5596                                            &focus_handle,
5597                                            cx,
5598                                        )
5599                                        .map(|kb| kb.size(rems_from_px(10.))),
5600                                    )
5601                                    .tooltip(Tooltip::text(
5602                                        "Enable Burn Mode for unlimited tool use.",
5603                                    ))
5604                                    .on_click({
5605                                        cx.listener(move |this, _, _window, cx| {
5606                                            thread.update(cx, |thread, cx| {
5607                                                thread
5608                                                    .set_completion_mode(CompletionMode::Burn, cx);
5609                                            });
5610                                            this.resume_chat(cx);
5611                                        })
5612                                    }),
5613                            )
5614                        })
5615                        .child(
5616                            Button::new("continue-conversation", "Continue")
5617                                .layer(ElevationIndex::ModalSurface)
5618                                .label_size(LabelSize::Small)
5619                                .key_binding(
5620                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5621                                        .map(|kb| kb.size(rems_from_px(10.))),
5622                                )
5623                                .on_click(cx.listener(|this, _, _window, cx| {
5624                                    this.resume_chat(cx);
5625                                })),
5626                        ),
5627                ),
5628        )
5629    }
5630
5631    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5632        let message = message.into();
5633
5634        IconButton::new("copy", IconName::Copy)
5635            .icon_size(IconSize::Small)
5636            .tooltip(Tooltip::text("Copy Error Message"))
5637            .on_click(move |_, _, cx| {
5638                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5639            })
5640    }
5641
5642    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5643        IconButton::new("dismiss", IconName::Close)
5644            .icon_size(IconSize::Small)
5645            .tooltip(Tooltip::text("Dismiss Error"))
5646            .on_click(cx.listener({
5647                move |this, _, _, cx| {
5648                    this.clear_thread_error(cx);
5649                    cx.notify();
5650                }
5651            }))
5652    }
5653
5654    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5655        Button::new("authenticate", "Authenticate")
5656            .label_size(LabelSize::Small)
5657            .style(ButtonStyle::Filled)
5658            .on_click(cx.listener({
5659                move |this, _, window, cx| {
5660                    let agent = this.agent.clone();
5661                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5662                        return;
5663                    };
5664
5665                    let connection = thread.read(cx).connection().clone();
5666                    let err = AuthRequired {
5667                        description: None,
5668                        provider_id: None,
5669                    };
5670                    this.clear_thread_error(cx);
5671                    let this = cx.weak_entity();
5672                    window.defer(cx, |window, cx| {
5673                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5674                    })
5675                }
5676            }))
5677    }
5678
5679    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5680        let agent = self.agent.clone();
5681        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5682            return;
5683        };
5684
5685        let connection = thread.read(cx).connection().clone();
5686        let err = AuthRequired {
5687            description: None,
5688            provider_id: None,
5689        };
5690        self.clear_thread_error(cx);
5691        let this = cx.weak_entity();
5692        window.defer(cx, |window, cx| {
5693            Self::handle_auth_required(this, err, agent, connection, window, cx);
5694        })
5695    }
5696
5697    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5698        Button::new("upgrade", "Upgrade")
5699            .label_size(LabelSize::Small)
5700            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5701            .on_click(cx.listener({
5702                move |this, _, _, cx| {
5703                    this.clear_thread_error(cx);
5704                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5705                }
5706            }))
5707    }
5708
5709    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5710        let task = match entry {
5711            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5712                history.delete_thread(thread.id.clone(), cx)
5713            }),
5714            HistoryEntry::TextThread(text_thread) => {
5715                self.history_store.update(cx, |history, cx| {
5716                    history.delete_text_thread(text_thread.path.clone(), cx)
5717                })
5718            }
5719        };
5720        task.detach_and_log_err(cx);
5721    }
5722
5723    /// Returns the currently active editor, either for a message that is being
5724    /// edited or the editor for a new message.
5725    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5726        if let Some(index) = self.editing_message
5727            && let Some(editor) = self
5728                .entry_view_state
5729                .read(cx)
5730                .entry(index)
5731                .and_then(|e| e.message_editor())
5732                .cloned()
5733        {
5734            editor
5735        } else {
5736            self.message_editor.clone()
5737        }
5738    }
5739}
5740
5741fn loading_contents_spinner(size: IconSize) -> AnyElement {
5742    Icon::new(IconName::LoadCircle)
5743        .size(size)
5744        .color(Color::Accent)
5745        .with_rotate_animation(3)
5746        .into_any_element()
5747}
5748
5749fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
5750    if agent_name == "Zed Agent" {
5751        format!("Message the {} — @ to include context", agent_name)
5752    } else if has_commands {
5753        format!(
5754            "Message {} — @ to include context, / for commands",
5755            agent_name
5756        )
5757    } else {
5758        format!("Message {} — @ to include context", agent_name)
5759    }
5760}
5761
5762impl Focusable for AcpThreadView {
5763    fn focus_handle(&self, cx: &App) -> FocusHandle {
5764        match self.thread_state {
5765            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5766                self.active_editor(cx).focus_handle(cx)
5767            }
5768            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5769                self.focus_handle.clone()
5770            }
5771        }
5772    }
5773}
5774
5775impl Render for AcpThreadView {
5776    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5777        let has_messages = self.list_state.item_count() > 0;
5778        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5779
5780        v_flex()
5781            .size_full()
5782            .key_context("AcpThread")
5783            .on_action(cx.listener(Self::toggle_burn_mode))
5784            .on_action(cx.listener(Self::keep_all))
5785            .on_action(cx.listener(Self::reject_all))
5786            .on_action(cx.listener(Self::allow_always))
5787            .on_action(cx.listener(Self::allow_once))
5788            .on_action(cx.listener(Self::reject_once))
5789            .track_focus(&self.focus_handle)
5790            .bg(cx.theme().colors().panel_background)
5791            .child(match &self.thread_state {
5792                ThreadState::Unauthenticated {
5793                    connection,
5794                    description,
5795                    configuration_view,
5796                    pending_auth_method,
5797                    ..
5798                } => self
5799                    .render_auth_required_state(
5800                        connection,
5801                        description.as_ref(),
5802                        configuration_view.as_ref(),
5803                        pending_auth_method.as_ref(),
5804                        window,
5805                        cx,
5806                    )
5807                    .into_any(),
5808                ThreadState::Loading { .. } => v_flex()
5809                    .flex_1()
5810                    .child(self.render_recent_history(cx))
5811                    .into_any(),
5812                ThreadState::LoadError(e) => v_flex()
5813                    .flex_1()
5814                    .size_full()
5815                    .items_center()
5816                    .justify_end()
5817                    .child(self.render_load_error(e, window, cx))
5818                    .into_any(),
5819                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5820                    if has_messages {
5821                        this.child(
5822                            list(
5823                                self.list_state.clone(),
5824                                cx.processor(|this, index: usize, window, cx| {
5825                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5826                                        let entries = &thread.read(cx).entries();
5827                                        Some((entries.get(index)?, entries.len()))
5828                                    }) else {
5829                                        return Empty.into_any();
5830                                    };
5831                                    this.render_entry(index, len, entry, window, cx)
5832                                }),
5833                            )
5834                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5835                            .flex_grow()
5836                            .into_any(),
5837                        )
5838                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5839                        .into_any()
5840                    } else {
5841                        this.child(self.render_recent_history(cx)).into_any()
5842                    }
5843                }),
5844            })
5845            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5846            // above so that the scrollbar doesn't render behind it. The current setup allows
5847            // the scrollbar to stop exactly at the activity bar start.
5848            .when(has_messages, |this| match &self.thread_state {
5849                ThreadState::Ready { thread, .. } => {
5850                    this.children(self.render_activity_bar(thread, window, cx))
5851                }
5852                _ => this,
5853            })
5854            .children(self.render_thread_retry_status_callout(window, cx))
5855            .children({
5856                if cfg!(windows) && self.project.read(cx).is_local() {
5857                    self.render_codex_windows_warning(cx)
5858                } else {
5859                    None
5860                }
5861            })
5862            .children(self.render_thread_error(window, cx))
5863            .when_some(
5864                self.new_server_version_available.as_ref().filter(|_| {
5865                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5866                }),
5867                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5868            )
5869            .children(
5870                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5871                    Some(usage_callout.into_any_element())
5872                } else {
5873                    self.render_token_limit_callout(line_height, cx)
5874                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5875                },
5876            )
5877            .child(self.render_message_editor(window, cx))
5878    }
5879}
5880
5881fn default_markdown_style(
5882    buffer_font: bool,
5883    muted_text: bool,
5884    window: &Window,
5885    cx: &App,
5886) -> MarkdownStyle {
5887    let theme_settings = ThemeSettings::get_global(cx);
5888    let colors = cx.theme().colors();
5889
5890    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
5891
5892    let mut text_style = window.text_style();
5893    let line_height = buffer_font_size * 1.75;
5894
5895    let font_family = if buffer_font {
5896        theme_settings.buffer_font.family.clone()
5897    } else {
5898        theme_settings.ui_font.family.clone()
5899    };
5900
5901    let font_size = if buffer_font {
5902        theme_settings.agent_buffer_font_size(cx)
5903    } else {
5904        theme_settings.agent_ui_font_size(cx)
5905    };
5906
5907    let text_color = if muted_text {
5908        colors.text_muted
5909    } else {
5910        colors.text
5911    };
5912
5913    text_style.refine(&TextStyleRefinement {
5914        font_family: Some(font_family),
5915        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5916        font_features: Some(theme_settings.ui_font.features.clone()),
5917        font_size: Some(font_size.into()),
5918        line_height: Some(line_height.into()),
5919        color: Some(text_color),
5920        ..Default::default()
5921    });
5922
5923    MarkdownStyle {
5924        base_text_style: text_style.clone(),
5925        syntax: cx.theme().syntax().clone(),
5926        selection_background_color: colors.element_selection_background,
5927        code_block_overflow_x_scroll: true,
5928        heading_level_styles: Some(HeadingLevelStyles {
5929            h1: Some(TextStyleRefinement {
5930                font_size: Some(rems(1.15).into()),
5931                ..Default::default()
5932            }),
5933            h2: Some(TextStyleRefinement {
5934                font_size: Some(rems(1.1).into()),
5935                ..Default::default()
5936            }),
5937            h3: Some(TextStyleRefinement {
5938                font_size: Some(rems(1.05).into()),
5939                ..Default::default()
5940            }),
5941            h4: Some(TextStyleRefinement {
5942                font_size: Some(rems(1.).into()),
5943                ..Default::default()
5944            }),
5945            h5: Some(TextStyleRefinement {
5946                font_size: Some(rems(0.95).into()),
5947                ..Default::default()
5948            }),
5949            h6: Some(TextStyleRefinement {
5950                font_size: Some(rems(0.875).into()),
5951                ..Default::default()
5952            }),
5953        }),
5954        code_block: StyleRefinement {
5955            padding: EdgesRefinement {
5956                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5957                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5958                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5959                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5960            },
5961            margin: EdgesRefinement {
5962                top: Some(Length::Definite(px(8.).into())),
5963                left: Some(Length::Definite(px(0.).into())),
5964                right: Some(Length::Definite(px(0.).into())),
5965                bottom: Some(Length::Definite(px(12.).into())),
5966            },
5967            border_style: Some(BorderStyle::Solid),
5968            border_widths: EdgesRefinement {
5969                top: Some(AbsoluteLength::Pixels(px(1.))),
5970                left: Some(AbsoluteLength::Pixels(px(1.))),
5971                right: Some(AbsoluteLength::Pixels(px(1.))),
5972                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5973            },
5974            border_color: Some(colors.border_variant),
5975            background: Some(colors.editor_background.into()),
5976            text: Some(TextStyleRefinement {
5977                font_family: Some(theme_settings.buffer_font.family.clone()),
5978                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5979                font_features: Some(theme_settings.buffer_font.features.clone()),
5980                font_size: Some(buffer_font_size.into()),
5981                ..Default::default()
5982            }),
5983            ..Default::default()
5984        },
5985        inline_code: TextStyleRefinement {
5986            font_family: Some(theme_settings.buffer_font.family.clone()),
5987            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5988            font_features: Some(theme_settings.buffer_font.features.clone()),
5989            font_size: Some(buffer_font_size.into()),
5990            background_color: Some(colors.editor_foreground.opacity(0.08)),
5991            ..Default::default()
5992        },
5993        link: TextStyleRefinement {
5994            background_color: Some(colors.editor_foreground.opacity(0.025)),
5995            color: Some(colors.text_accent),
5996            underline: Some(UnderlineStyle {
5997                color: Some(colors.text_accent.opacity(0.5)),
5998                thickness: px(1.),
5999                ..Default::default()
6000            }),
6001            ..Default::default()
6002        },
6003        ..Default::default()
6004    }
6005}
6006
6007fn plan_label_markdown_style(
6008    status: &acp::PlanEntryStatus,
6009    window: &Window,
6010    cx: &App,
6011) -> MarkdownStyle {
6012    let default_md_style = default_markdown_style(false, false, window, cx);
6013
6014    MarkdownStyle {
6015        base_text_style: TextStyle {
6016            color: cx.theme().colors().text_muted,
6017            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
6018                Some(gpui::StrikethroughStyle {
6019                    thickness: px(1.),
6020                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
6021                })
6022            } else {
6023                None
6024            },
6025            ..default_md_style.base_text_style
6026        },
6027        ..default_md_style
6028    }
6029}
6030
6031fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
6032    let default_md_style = default_markdown_style(true, false, window, cx);
6033
6034    MarkdownStyle {
6035        base_text_style: TextStyle {
6036            ..default_md_style.base_text_style
6037        },
6038        selection_background_color: cx.theme().colors().element_selection_background,
6039        ..Default::default()
6040    }
6041}
6042
6043#[cfg(test)]
6044pub(crate) mod tests {
6045    use acp_thread::StubAgentConnection;
6046    use agent_client_protocol::SessionId;
6047    use assistant_text_thread::TextThreadStore;
6048    use fs::FakeFs;
6049    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
6050    use project::Project;
6051    use serde_json::json;
6052    use settings::SettingsStore;
6053    use std::any::Any;
6054    use std::path::Path;
6055    use workspace::Item;
6056
6057    use super::*;
6058
6059    #[gpui::test]
6060    async fn test_drop(cx: &mut TestAppContext) {
6061        init_test(cx);
6062
6063        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6064        let weak_view = thread_view.downgrade();
6065        drop(thread_view);
6066        assert!(!weak_view.is_upgradable());
6067    }
6068
6069    #[gpui::test]
6070    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6071        init_test(cx);
6072
6073        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6074
6075        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6076        message_editor.update_in(cx, |editor, window, cx| {
6077            editor.set_text("Hello", window, cx);
6078        });
6079
6080        cx.deactivate_window();
6081
6082        thread_view.update_in(cx, |thread_view, window, cx| {
6083            thread_view.send(window, cx);
6084        });
6085
6086        cx.run_until_parked();
6087
6088        assert!(
6089            cx.windows()
6090                .iter()
6091                .any(|window| window.downcast::<AgentNotification>().is_some())
6092        );
6093    }
6094
6095    #[gpui::test]
6096    async fn test_notification_for_error(cx: &mut TestAppContext) {
6097        init_test(cx);
6098
6099        let (thread_view, cx) =
6100            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6101
6102        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6103        message_editor.update_in(cx, |editor, window, cx| {
6104            editor.set_text("Hello", window, cx);
6105        });
6106
6107        cx.deactivate_window();
6108
6109        thread_view.update_in(cx, |thread_view, window, cx| {
6110            thread_view.send(window, cx);
6111        });
6112
6113        cx.run_until_parked();
6114
6115        assert!(
6116            cx.windows()
6117                .iter()
6118                .any(|window| window.downcast::<AgentNotification>().is_some())
6119        );
6120    }
6121
6122    #[gpui::test]
6123    async fn test_refusal_handling(cx: &mut TestAppContext) {
6124        init_test(cx);
6125
6126        let (thread_view, cx) =
6127            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6128
6129        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6130        message_editor.update_in(cx, |editor, window, cx| {
6131            editor.set_text("Do something harmful", window, cx);
6132        });
6133
6134        thread_view.update_in(cx, |thread_view, window, cx| {
6135            thread_view.send(window, cx);
6136        });
6137
6138        cx.run_until_parked();
6139
6140        // Check that the refusal error is set
6141        thread_view.read_with(cx, |thread_view, _cx| {
6142            assert!(
6143                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6144                "Expected refusal error to be set"
6145            );
6146        });
6147    }
6148
6149    #[gpui::test]
6150    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6151        init_test(cx);
6152
6153        let tool_call_id = acp::ToolCallId("1".into());
6154        let tool_call = acp::ToolCall {
6155            id: tool_call_id.clone(),
6156            title: "Label".into(),
6157            kind: acp::ToolKind::Edit,
6158            status: acp::ToolCallStatus::Pending,
6159            content: vec!["hi".into()],
6160            locations: vec![],
6161            raw_input: None,
6162            raw_output: None,
6163            meta: None,
6164        };
6165        let connection =
6166            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6167                tool_call_id,
6168                vec![acp::PermissionOption {
6169                    id: acp::PermissionOptionId("1".into()),
6170                    name: "Allow".into(),
6171                    kind: acp::PermissionOptionKind::AllowOnce,
6172                    meta: None,
6173                }],
6174            )]));
6175
6176        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6177
6178        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6179
6180        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6181        message_editor.update_in(cx, |editor, window, cx| {
6182            editor.set_text("Hello", window, cx);
6183        });
6184
6185        cx.deactivate_window();
6186
6187        thread_view.update_in(cx, |thread_view, window, cx| {
6188            thread_view.send(window, cx);
6189        });
6190
6191        cx.run_until_parked();
6192
6193        assert!(
6194            cx.windows()
6195                .iter()
6196                .any(|window| window.downcast::<AgentNotification>().is_some())
6197        );
6198    }
6199
6200    #[gpui::test]
6201    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6202        init_test(cx);
6203
6204        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6205
6206        add_to_workspace(thread_view.clone(), cx);
6207
6208        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6209
6210        message_editor.update_in(cx, |editor, window, cx| {
6211            editor.set_text("Hello", window, cx);
6212        });
6213
6214        // Window is active (don't deactivate), but panel will be hidden
6215        // Note: In the test environment, the panel is not actually added to the dock,
6216        // so is_agent_panel_hidden will return true
6217
6218        thread_view.update_in(cx, |thread_view, window, cx| {
6219            thread_view.send(window, cx);
6220        });
6221
6222        cx.run_until_parked();
6223
6224        // Should show notification because window is active but panel is hidden
6225        assert!(
6226            cx.windows()
6227                .iter()
6228                .any(|window| window.downcast::<AgentNotification>().is_some()),
6229            "Expected notification when panel is hidden"
6230        );
6231    }
6232
6233    #[gpui::test]
6234    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6235        init_test(cx);
6236
6237        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6238
6239        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6240        message_editor.update_in(cx, |editor, window, cx| {
6241            editor.set_text("Hello", window, cx);
6242        });
6243
6244        // Deactivate window - should show notification regardless of setting
6245        cx.deactivate_window();
6246
6247        thread_view.update_in(cx, |thread_view, window, cx| {
6248            thread_view.send(window, cx);
6249        });
6250
6251        cx.run_until_parked();
6252
6253        // Should still show notification when window is inactive (existing behavior)
6254        assert!(
6255            cx.windows()
6256                .iter()
6257                .any(|window| window.downcast::<AgentNotification>().is_some()),
6258            "Expected notification when window is inactive"
6259        );
6260    }
6261
6262    #[gpui::test]
6263    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6264        init_test(cx);
6265
6266        // Set notify_when_agent_waiting to Never
6267        cx.update(|cx| {
6268            AgentSettings::override_global(
6269                AgentSettings {
6270                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6271                    ..AgentSettings::get_global(cx).clone()
6272                },
6273                cx,
6274            );
6275        });
6276
6277        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6278
6279        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6280        message_editor.update_in(cx, |editor, window, cx| {
6281            editor.set_text("Hello", window, cx);
6282        });
6283
6284        // Window is active
6285
6286        thread_view.update_in(cx, |thread_view, window, cx| {
6287            thread_view.send(window, cx);
6288        });
6289
6290        cx.run_until_parked();
6291
6292        // Should NOT show notification because notify_when_agent_waiting is Never
6293        assert!(
6294            !cx.windows()
6295                .iter()
6296                .any(|window| window.downcast::<AgentNotification>().is_some()),
6297            "Expected no notification when notify_when_agent_waiting is Never"
6298        );
6299    }
6300
6301    async fn setup_thread_view(
6302        agent: impl AgentServer + 'static,
6303        cx: &mut TestAppContext,
6304    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6305        let fs = FakeFs::new(cx.executor());
6306        let project = Project::test(fs, [], cx).await;
6307        let (workspace, cx) =
6308            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6309
6310        let text_thread_store =
6311            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6312        let history_store =
6313            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6314
6315        let thread_view = cx.update(|window, cx| {
6316            cx.new(|cx| {
6317                AcpThreadView::new(
6318                    Rc::new(agent),
6319                    None,
6320                    None,
6321                    workspace.downgrade(),
6322                    project,
6323                    history_store,
6324                    None,
6325                    window,
6326                    cx,
6327                )
6328            })
6329        });
6330        cx.run_until_parked();
6331        (thread_view, cx)
6332    }
6333
6334    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6335        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6336
6337        workspace
6338            .update_in(cx, |workspace, window, cx| {
6339                workspace.add_item_to_active_pane(
6340                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6341                    None,
6342                    true,
6343                    window,
6344                    cx,
6345                );
6346            })
6347            .unwrap();
6348    }
6349
6350    struct ThreadViewItem(Entity<AcpThreadView>);
6351
6352    impl Item for ThreadViewItem {
6353        type Event = ();
6354
6355        fn include_in_nav_history() -> bool {
6356            false
6357        }
6358
6359        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6360            "Test".into()
6361        }
6362    }
6363
6364    impl EventEmitter<()> for ThreadViewItem {}
6365
6366    impl Focusable for ThreadViewItem {
6367        fn focus_handle(&self, cx: &App) -> FocusHandle {
6368            self.0.read(cx).focus_handle(cx)
6369        }
6370    }
6371
6372    impl Render for ThreadViewItem {
6373        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6374            self.0.clone().into_any_element()
6375        }
6376    }
6377
6378    struct StubAgentServer<C> {
6379        connection: C,
6380    }
6381
6382    impl<C> StubAgentServer<C> {
6383        fn new(connection: C) -> Self {
6384            Self { connection }
6385        }
6386    }
6387
6388    impl StubAgentServer<StubAgentConnection> {
6389        fn default_response() -> Self {
6390            let conn = StubAgentConnection::new();
6391            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6392                acp::ContentChunk {
6393                    content: "Default response".into(),
6394                    meta: None,
6395                },
6396            )]);
6397            Self::new(conn)
6398        }
6399    }
6400
6401    impl<C> AgentServer for StubAgentServer<C>
6402    where
6403        C: 'static + AgentConnection + Send + Clone,
6404    {
6405        fn telemetry_id(&self) -> &'static str {
6406            "test"
6407        }
6408
6409        fn logo(&self) -> ui::IconName {
6410            ui::IconName::Ai
6411        }
6412
6413        fn name(&self) -> SharedString {
6414            "Test".into()
6415        }
6416
6417        fn connect(
6418            &self,
6419            _root_dir: Option<&Path>,
6420            _delegate: AgentServerDelegate,
6421            _cx: &mut App,
6422        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6423            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6424        }
6425
6426        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6427            self
6428        }
6429    }
6430
6431    #[derive(Clone)]
6432    struct SaboteurAgentConnection;
6433
6434    impl AgentConnection for SaboteurAgentConnection {
6435        fn telemetry_id(&self) -> &'static str {
6436            "saboteur"
6437        }
6438
6439        fn new_thread(
6440            self: Rc<Self>,
6441            project: Entity<Project>,
6442            _cwd: &Path,
6443            cx: &mut gpui::App,
6444        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6445            Task::ready(Ok(cx.new(|cx| {
6446                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6447                AcpThread::new(
6448                    "SaboteurAgentConnection",
6449                    self,
6450                    project,
6451                    action_log,
6452                    SessionId("test".into()),
6453                    watch::Receiver::constant(acp::PromptCapabilities {
6454                        image: true,
6455                        audio: true,
6456                        embedded_context: true,
6457                        meta: None,
6458                    }),
6459                    cx,
6460                )
6461            })))
6462        }
6463
6464        fn auth_methods(&self) -> &[acp::AuthMethod] {
6465            &[]
6466        }
6467
6468        fn authenticate(
6469            &self,
6470            _method_id: acp::AuthMethodId,
6471            _cx: &mut App,
6472        ) -> Task<gpui::Result<()>> {
6473            unimplemented!()
6474        }
6475
6476        fn prompt(
6477            &self,
6478            _id: Option<acp_thread::UserMessageId>,
6479            _params: acp::PromptRequest,
6480            _cx: &mut App,
6481        ) -> Task<gpui::Result<acp::PromptResponse>> {
6482            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6483        }
6484
6485        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6486            unimplemented!()
6487        }
6488
6489        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6490            self
6491        }
6492    }
6493
6494    /// Simulates a model which always returns a refusal response
6495    #[derive(Clone)]
6496    struct RefusalAgentConnection;
6497
6498    impl AgentConnection for RefusalAgentConnection {
6499        fn telemetry_id(&self) -> &'static str {
6500            "refusal"
6501        }
6502
6503        fn new_thread(
6504            self: Rc<Self>,
6505            project: Entity<Project>,
6506            _cwd: &Path,
6507            cx: &mut gpui::App,
6508        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6509            Task::ready(Ok(cx.new(|cx| {
6510                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6511                AcpThread::new(
6512                    "RefusalAgentConnection",
6513                    self,
6514                    project,
6515                    action_log,
6516                    SessionId("test".into()),
6517                    watch::Receiver::constant(acp::PromptCapabilities {
6518                        image: true,
6519                        audio: true,
6520                        embedded_context: true,
6521                        meta: None,
6522                    }),
6523                    cx,
6524                )
6525            })))
6526        }
6527
6528        fn auth_methods(&self) -> &[acp::AuthMethod] {
6529            &[]
6530        }
6531
6532        fn authenticate(
6533            &self,
6534            _method_id: acp::AuthMethodId,
6535            _cx: &mut App,
6536        ) -> Task<gpui::Result<()>> {
6537            unimplemented!()
6538        }
6539
6540        fn prompt(
6541            &self,
6542            _id: Option<acp_thread::UserMessageId>,
6543            _params: acp::PromptRequest,
6544            _cx: &mut App,
6545        ) -> Task<gpui::Result<acp::PromptResponse>> {
6546            Task::ready(Ok(acp::PromptResponse {
6547                stop_reason: acp::StopReason::Refusal,
6548                meta: None,
6549            }))
6550        }
6551
6552        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6553            unimplemented!()
6554        }
6555
6556        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6557            self
6558        }
6559    }
6560
6561    pub(crate) fn init_test(cx: &mut TestAppContext) {
6562        cx.update(|cx| {
6563            let settings_store = SettingsStore::test(cx);
6564            cx.set_global(settings_store);
6565            theme::init(theme::LoadThemes::JustBase, cx);
6566            release_channel::init(SemanticVersion::default(), cx);
6567            prompt_store::init(cx)
6568        });
6569    }
6570
6571    #[gpui::test]
6572    async fn test_rewind_views(cx: &mut TestAppContext) {
6573        init_test(cx);
6574
6575        let fs = FakeFs::new(cx.executor());
6576        fs.insert_tree(
6577            "/project",
6578            json!({
6579                "test1.txt": "old content 1",
6580                "test2.txt": "old content 2"
6581            }),
6582        )
6583        .await;
6584        let project = Project::test(fs, [Path::new("/project")], cx).await;
6585        let (workspace, cx) =
6586            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6587
6588        let text_thread_store =
6589            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6590        let history_store =
6591            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6592
6593        let connection = Rc::new(StubAgentConnection::new());
6594        let thread_view = cx.update(|window, cx| {
6595            cx.new(|cx| {
6596                AcpThreadView::new(
6597                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6598                    None,
6599                    None,
6600                    workspace.downgrade(),
6601                    project.clone(),
6602                    history_store.clone(),
6603                    None,
6604                    window,
6605                    cx,
6606                )
6607            })
6608        });
6609
6610        cx.run_until_parked();
6611
6612        let thread = thread_view
6613            .read_with(cx, |view, _| view.thread().cloned())
6614            .unwrap();
6615
6616        // First user message
6617        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6618            id: acp::ToolCallId("tool1".into()),
6619            title: "Edit file 1".into(),
6620            kind: acp::ToolKind::Edit,
6621            status: acp::ToolCallStatus::Completed,
6622            content: vec![acp::ToolCallContent::Diff {
6623                diff: acp::Diff {
6624                    path: "/project/test1.txt".into(),
6625                    old_text: Some("old content 1".into()),
6626                    new_text: "new content 1".into(),
6627                    meta: None,
6628                },
6629            }],
6630            locations: vec![],
6631            raw_input: None,
6632            raw_output: None,
6633            meta: None,
6634        })]);
6635
6636        thread
6637            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6638            .await
6639            .unwrap();
6640        cx.run_until_parked();
6641
6642        thread.read_with(cx, |thread, _| {
6643            assert_eq!(thread.entries().len(), 2);
6644        });
6645
6646        thread_view.read_with(cx, |view, cx| {
6647            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6648                assert!(
6649                    entry_view_state
6650                        .entry(0)
6651                        .unwrap()
6652                        .message_editor()
6653                        .is_some()
6654                );
6655                assert!(entry_view_state.entry(1).unwrap().has_content());
6656            });
6657        });
6658
6659        // Second user message
6660        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6661            id: acp::ToolCallId("tool2".into()),
6662            title: "Edit file 2".into(),
6663            kind: acp::ToolKind::Edit,
6664            status: acp::ToolCallStatus::Completed,
6665            content: vec![acp::ToolCallContent::Diff {
6666                diff: acp::Diff {
6667                    path: "/project/test2.txt".into(),
6668                    old_text: Some("old content 2".into()),
6669                    new_text: "new content 2".into(),
6670                    meta: None,
6671                },
6672            }],
6673            locations: vec![],
6674            raw_input: None,
6675            raw_output: None,
6676            meta: None,
6677        })]);
6678
6679        thread
6680            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6681            .await
6682            .unwrap();
6683        cx.run_until_parked();
6684
6685        let second_user_message_id = thread.read_with(cx, |thread, _| {
6686            assert_eq!(thread.entries().len(), 4);
6687            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6688                panic!();
6689            };
6690            user_message.id.clone().unwrap()
6691        });
6692
6693        thread_view.read_with(cx, |view, cx| {
6694            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6695                assert!(
6696                    entry_view_state
6697                        .entry(0)
6698                        .unwrap()
6699                        .message_editor()
6700                        .is_some()
6701                );
6702                assert!(entry_view_state.entry(1).unwrap().has_content());
6703                assert!(
6704                    entry_view_state
6705                        .entry(2)
6706                        .unwrap()
6707                        .message_editor()
6708                        .is_some()
6709                );
6710                assert!(entry_view_state.entry(3).unwrap().has_content());
6711            });
6712        });
6713
6714        // Rewind to first message
6715        thread
6716            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6717            .await
6718            .unwrap();
6719
6720        cx.run_until_parked();
6721
6722        thread.read_with(cx, |thread, _| {
6723            assert_eq!(thread.entries().len(), 2);
6724        });
6725
6726        thread_view.read_with(cx, |view, cx| {
6727            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6728                assert!(
6729                    entry_view_state
6730                        .entry(0)
6731                        .unwrap()
6732                        .message_editor()
6733                        .is_some()
6734                );
6735                assert!(entry_view_state.entry(1).unwrap().has_content());
6736
6737                // Old views should be dropped
6738                assert!(entry_view_state.entry(2).is_none());
6739                assert!(entry_view_state.entry(3).is_none());
6740            });
6741        });
6742    }
6743
6744    #[gpui::test]
6745    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6746        init_test(cx);
6747
6748        let connection = StubAgentConnection::new();
6749
6750        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6751            acp::ContentChunk {
6752                content: acp::ContentBlock::Text(acp::TextContent {
6753                    text: "Response".into(),
6754                    annotations: None,
6755                    meta: None,
6756                }),
6757                meta: None,
6758            },
6759        )]);
6760
6761        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6762        add_to_workspace(thread_view.clone(), cx);
6763
6764        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6765        message_editor.update_in(cx, |editor, window, cx| {
6766            editor.set_text("Original message to edit", window, cx);
6767        });
6768        thread_view.update_in(cx, |thread_view, window, cx| {
6769            thread_view.send(window, cx);
6770        });
6771
6772        cx.run_until_parked();
6773
6774        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6775            assert_eq!(view.editing_message, None);
6776
6777            view.entry_view_state
6778                .read(cx)
6779                .entry(0)
6780                .unwrap()
6781                .message_editor()
6782                .unwrap()
6783                .clone()
6784        });
6785
6786        // Focus
6787        cx.focus(&user_message_editor);
6788        thread_view.read_with(cx, |view, _cx| {
6789            assert_eq!(view.editing_message, Some(0));
6790        });
6791
6792        // Edit
6793        user_message_editor.update_in(cx, |editor, window, cx| {
6794            editor.set_text("Edited message content", window, cx);
6795        });
6796
6797        // Cancel
6798        user_message_editor.update_in(cx, |_editor, window, cx| {
6799            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6800        });
6801
6802        thread_view.read_with(cx, |view, _cx| {
6803            assert_eq!(view.editing_message, None);
6804        });
6805
6806        user_message_editor.read_with(cx, |editor, cx| {
6807            assert_eq!(editor.text(cx), "Original message to edit");
6808        });
6809    }
6810
6811    #[gpui::test]
6812    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6813        init_test(cx);
6814
6815        let connection = StubAgentConnection::new();
6816
6817        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6818        add_to_workspace(thread_view.clone(), cx);
6819
6820        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6821        let mut events = cx.events(&message_editor);
6822        message_editor.update_in(cx, |editor, window, cx| {
6823            editor.set_text("", window, cx);
6824        });
6825
6826        message_editor.update_in(cx, |_editor, window, cx| {
6827            window.dispatch_action(Box::new(Chat), cx);
6828        });
6829        cx.run_until_parked();
6830        // We shouldn't have received any messages
6831        assert!(matches!(
6832            events.try_next(),
6833            Err(futures::channel::mpsc::TryRecvError { .. })
6834        ));
6835    }
6836
6837    #[gpui::test]
6838    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6839        init_test(cx);
6840
6841        let connection = StubAgentConnection::new();
6842
6843        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6844            acp::ContentChunk {
6845                content: acp::ContentBlock::Text(acp::TextContent {
6846                    text: "Response".into(),
6847                    annotations: None,
6848                    meta: None,
6849                }),
6850                meta: None,
6851            },
6852        )]);
6853
6854        let (thread_view, cx) =
6855            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6856        add_to_workspace(thread_view.clone(), cx);
6857
6858        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6859        message_editor.update_in(cx, |editor, window, cx| {
6860            editor.set_text("Original message to edit", window, cx);
6861        });
6862        thread_view.update_in(cx, |thread_view, window, cx| {
6863            thread_view.send(window, cx);
6864        });
6865
6866        cx.run_until_parked();
6867
6868        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6869            assert_eq!(view.editing_message, None);
6870            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6871
6872            view.entry_view_state
6873                .read(cx)
6874                .entry(0)
6875                .unwrap()
6876                .message_editor()
6877                .unwrap()
6878                .clone()
6879        });
6880
6881        // Focus
6882        cx.focus(&user_message_editor);
6883
6884        // Edit
6885        user_message_editor.update_in(cx, |editor, window, cx| {
6886            editor.set_text("Edited message content", window, cx);
6887        });
6888
6889        // Send
6890        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6891            acp::ContentChunk {
6892                content: acp::ContentBlock::Text(acp::TextContent {
6893                    text: "New Response".into(),
6894                    annotations: None,
6895                    meta: None,
6896                }),
6897                meta: None,
6898            },
6899        )]);
6900
6901        user_message_editor.update_in(cx, |_editor, window, cx| {
6902            window.dispatch_action(Box::new(Chat), cx);
6903        });
6904
6905        cx.run_until_parked();
6906
6907        thread_view.read_with(cx, |view, cx| {
6908            assert_eq!(view.editing_message, None);
6909
6910            let entries = view.thread().unwrap().read(cx).entries();
6911            assert_eq!(entries.len(), 2);
6912            assert_eq!(
6913                entries[0].to_markdown(cx),
6914                "## User\n\nEdited message content\n\n"
6915            );
6916            assert_eq!(
6917                entries[1].to_markdown(cx),
6918                "## Assistant\n\nNew Response\n\n"
6919            );
6920
6921            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6922                assert!(!state.entry(1).unwrap().has_content());
6923                state.entry(0).unwrap().message_editor().unwrap().clone()
6924            });
6925
6926            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6927        })
6928    }
6929
6930    #[gpui::test]
6931    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6932        init_test(cx);
6933
6934        let connection = StubAgentConnection::new();
6935
6936        let (thread_view, cx) =
6937            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6938        add_to_workspace(thread_view.clone(), cx);
6939
6940        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6941        message_editor.update_in(cx, |editor, window, cx| {
6942            editor.set_text("Original message to edit", window, cx);
6943        });
6944        thread_view.update_in(cx, |thread_view, window, cx| {
6945            thread_view.send(window, cx);
6946        });
6947
6948        cx.run_until_parked();
6949
6950        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6951            let thread = view.thread().unwrap().read(cx);
6952            assert_eq!(thread.entries().len(), 1);
6953
6954            let editor = view
6955                .entry_view_state
6956                .read(cx)
6957                .entry(0)
6958                .unwrap()
6959                .message_editor()
6960                .unwrap()
6961                .clone();
6962
6963            (editor, thread.session_id().clone())
6964        });
6965
6966        // Focus
6967        cx.focus(&user_message_editor);
6968
6969        thread_view.read_with(cx, |view, _cx| {
6970            assert_eq!(view.editing_message, Some(0));
6971        });
6972
6973        // Edit
6974        user_message_editor.update_in(cx, |editor, window, cx| {
6975            editor.set_text("Edited message content", window, cx);
6976        });
6977
6978        thread_view.read_with(cx, |view, _cx| {
6979            assert_eq!(view.editing_message, Some(0));
6980        });
6981
6982        // Finish streaming response
6983        cx.update(|_, cx| {
6984            connection.send_update(
6985                session_id.clone(),
6986                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6987                    content: acp::ContentBlock::Text(acp::TextContent {
6988                        text: "Response".into(),
6989                        annotations: None,
6990                        meta: None,
6991                    }),
6992                    meta: None,
6993                }),
6994                cx,
6995            );
6996            connection.end_turn(session_id, acp::StopReason::EndTurn);
6997        });
6998
6999        thread_view.read_with(cx, |view, _cx| {
7000            assert_eq!(view.editing_message, Some(0));
7001        });
7002
7003        cx.run_until_parked();
7004
7005        // Should still be editing
7006        cx.update(|window, cx| {
7007            assert!(user_message_editor.focus_handle(cx).is_focused(window));
7008            assert_eq!(thread_view.read(cx).editing_message, Some(0));
7009            assert_eq!(
7010                user_message_editor.read(cx).text(cx),
7011                "Edited message content"
7012            );
7013        });
7014    }
7015
7016    #[gpui::test]
7017    async fn test_interrupt(cx: &mut TestAppContext) {
7018        init_test(cx);
7019
7020        let connection = StubAgentConnection::new();
7021
7022        let (thread_view, cx) =
7023            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
7024        add_to_workspace(thread_view.clone(), cx);
7025
7026        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7027        message_editor.update_in(cx, |editor, window, cx| {
7028            editor.set_text("Message 1", window, cx);
7029        });
7030        thread_view.update_in(cx, |thread_view, window, cx| {
7031            thread_view.send(window, cx);
7032        });
7033
7034        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
7035            let thread = view.thread().unwrap();
7036
7037            (thread.clone(), thread.read(cx).session_id().clone())
7038        });
7039
7040        cx.run_until_parked();
7041
7042        cx.update(|_, cx| {
7043            connection.send_update(
7044                session_id.clone(),
7045                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7046                    content: "Message 1 resp".into(),
7047                    meta: None,
7048                }),
7049                cx,
7050            );
7051        });
7052
7053        cx.run_until_parked();
7054
7055        thread.read_with(cx, |thread, cx| {
7056            assert_eq!(
7057                thread.to_markdown(cx),
7058                indoc::indoc! {"
7059                    ## User
7060
7061                    Message 1
7062
7063                    ## Assistant
7064
7065                    Message 1 resp
7066
7067                "}
7068            )
7069        });
7070
7071        message_editor.update_in(cx, |editor, window, cx| {
7072            editor.set_text("Message 2", window, cx);
7073        });
7074        thread_view.update_in(cx, |thread_view, window, cx| {
7075            thread_view.send(window, cx);
7076        });
7077
7078        cx.update(|_, cx| {
7079            // Simulate a response sent after beginning to cancel
7080            connection.send_update(
7081                session_id.clone(),
7082                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7083                    content: "onse".into(),
7084                    meta: None,
7085                }),
7086                cx,
7087            );
7088        });
7089
7090        cx.run_until_parked();
7091
7092        // Last Message 1 response should appear before Message 2
7093        thread.read_with(cx, |thread, cx| {
7094            assert_eq!(
7095                thread.to_markdown(cx),
7096                indoc::indoc! {"
7097                    ## User
7098
7099                    Message 1
7100
7101                    ## Assistant
7102
7103                    Message 1 response
7104
7105                    ## User
7106
7107                    Message 2
7108
7109                "}
7110            )
7111        });
7112
7113        cx.update(|_, cx| {
7114            connection.send_update(
7115                session_id.clone(),
7116                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7117                    content: "Message 2 response".into(),
7118                    meta: None,
7119                }),
7120                cx,
7121            );
7122            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7123        });
7124
7125        cx.run_until_parked();
7126
7127        thread.read_with(cx, |thread, cx| {
7128            assert_eq!(
7129                thread.to_markdown(cx),
7130                indoc::indoc! {"
7131                    ## User
7132
7133                    Message 1
7134
7135                    ## Assistant
7136
7137                    Message 1 response
7138
7139                    ## User
7140
7141                    Message 2
7142
7143                    ## Assistant
7144
7145                    Message 2 response
7146
7147                "}
7148            )
7149        });
7150    }
7151
7152    #[gpui::test]
7153    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7154        init_test(cx);
7155
7156        let connection = StubAgentConnection::new();
7157        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7158            acp::ContentChunk {
7159                content: acp::ContentBlock::Text(acp::TextContent {
7160                    text: "Response".into(),
7161                    annotations: None,
7162                    meta: None,
7163                }),
7164                meta: None,
7165            },
7166        )]);
7167
7168        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7169        add_to_workspace(thread_view.clone(), cx);
7170
7171        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7172        message_editor.update_in(cx, |editor, window, cx| {
7173            editor.set_text("Original message to edit", window, cx)
7174        });
7175        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7176        cx.run_until_parked();
7177
7178        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7179            thread_view
7180                .entry_view_state
7181                .read(cx)
7182                .entry(0)
7183                .expect("Should have at least one entry")
7184                .message_editor()
7185                .expect("Should have message editor")
7186                .clone()
7187        });
7188
7189        cx.focus(&user_message_editor);
7190        thread_view.read_with(cx, |thread_view, _cx| {
7191            assert_eq!(thread_view.editing_message, Some(0));
7192        });
7193
7194        // Ensure to edit the focused message before proceeding otherwise, since
7195        // its content is not different from what was sent, focus will be lost.
7196        user_message_editor.update_in(cx, |editor, window, cx| {
7197            editor.set_text("Original message to edit with ", window, cx)
7198        });
7199
7200        // Create a simple buffer with some text so we can create a selection
7201        // that will then be added to the message being edited.
7202        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7203            (thread_view.workspace.clone(), thread_view.project.clone())
7204        });
7205        let buffer = project.update(cx, |project, cx| {
7206            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7207        });
7208
7209        workspace
7210            .update_in(cx, |workspace, window, cx| {
7211                let editor = cx.new(|cx| {
7212                    let mut editor =
7213                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7214
7215                    editor.change_selections(Default::default(), window, cx, |selections| {
7216                        selections.select_ranges([8..15]);
7217                    });
7218
7219                    editor
7220                });
7221                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7222            })
7223            .unwrap();
7224
7225        thread_view.update_in(cx, |thread_view, window, cx| {
7226            assert_eq!(thread_view.editing_message, Some(0));
7227            thread_view.insert_selections(window, cx);
7228        });
7229
7230        user_message_editor.read_with(cx, |editor, cx| {
7231            let text = editor.editor().read(cx).text(cx);
7232            let expected_text = String::from("Original message to edit with selection ");
7233
7234            assert_eq!(text, expected_text);
7235        });
7236    }
7237
7238    #[gpui::test]
7239    async fn test_insert_selections(cx: &mut TestAppContext) {
7240        init_test(cx);
7241
7242        let connection = StubAgentConnection::new();
7243        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7244            acp::ContentChunk {
7245                content: acp::ContentBlock::Text(acp::TextContent {
7246                    text: "Response".into(),
7247                    annotations: None,
7248                    meta: None,
7249                }),
7250                meta: None,
7251            },
7252        )]);
7253
7254        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7255        add_to_workspace(thread_view.clone(), cx);
7256
7257        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7258        message_editor.update_in(cx, |editor, window, cx| {
7259            editor.set_text("Can you review this snippet ", window, cx)
7260        });
7261
7262        // Create a simple buffer with some text so we can create a selection
7263        // that will then be added to the message being edited.
7264        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7265            (thread_view.workspace.clone(), thread_view.project.clone())
7266        });
7267        let buffer = project.update(cx, |project, cx| {
7268            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7269        });
7270
7271        workspace
7272            .update_in(cx, |workspace, window, cx| {
7273                let editor = cx.new(|cx| {
7274                    let mut editor =
7275                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7276
7277                    editor.change_selections(Default::default(), window, cx, |selections| {
7278                        selections.select_ranges([8..15]);
7279                    });
7280
7281                    editor
7282                });
7283                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7284            })
7285            .unwrap();
7286
7287        thread_view.update_in(cx, |thread_view, window, cx| {
7288            assert_eq!(thread_view.editing_message, None);
7289            thread_view.insert_selections(window, cx);
7290        });
7291
7292        thread_view.read_with(cx, |thread_view, cx| {
7293            let text = thread_view.message_editor.read(cx).text(cx);
7294            let expected_txt = String::from("Can you review this snippet selection ");
7295
7296            assert_eq!(text, expected_txt);
7297        })
7298    }
7299}