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            thread.set_profile(profile_id);
 130        });
 131    }
 132
 133    fn profiles_supported(&self, cx: &App) -> bool {
 134        self.read(cx)
 135            .model()
 136            .is_some_and(|model| model.supports_tools())
 137    }
 138}
 139
 140#[derive(Default)]
 141struct ThreadFeedbackState {
 142    feedback: Option<ThreadFeedback>,
 143    comments_editor: Option<Entity<Editor>>,
 144}
 145
 146impl ThreadFeedbackState {
 147    pub fn submit(
 148        &mut self,
 149        thread: Entity<AcpThread>,
 150        feedback: ThreadFeedback,
 151        window: &mut Window,
 152        cx: &mut App,
 153    ) {
 154        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 155            return;
 156        };
 157
 158        if self.feedback == Some(feedback) {
 159            return;
 160        }
 161
 162        self.feedback = Some(feedback);
 163        match feedback {
 164            ThreadFeedback::Positive => {
 165                self.comments_editor = None;
 166            }
 167            ThreadFeedback::Negative => {
 168                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 169            }
 170        }
 171        let session_id = thread.read(cx).session_id().clone();
 172        let agent = thread.read(cx).connection().telemetry_id();
 173        let task = telemetry.thread_data(&session_id, cx);
 174        let rating = match feedback {
 175            ThreadFeedback::Positive => "positive",
 176            ThreadFeedback::Negative => "negative",
 177        };
 178        cx.background_spawn(async move {
 179            let thread = task.await?;
 180            telemetry::event!(
 181                "Agent Thread Rated",
 182                agent = agent,
 183                session_id = session_id,
 184                rating = rating,
 185                thread = thread
 186            );
 187            anyhow::Ok(())
 188        })
 189        .detach_and_log_err(cx);
 190    }
 191
 192    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 193        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 194            return;
 195        };
 196
 197        let Some(comments) = self
 198            .comments_editor
 199            .as_ref()
 200            .map(|editor| editor.read(cx).text(cx))
 201            .filter(|text| !text.trim().is_empty())
 202        else {
 203            return;
 204        };
 205
 206        self.comments_editor.take();
 207
 208        let session_id = thread.read(cx).session_id().clone();
 209        let agent = thread.read(cx).connection().telemetry_id();
 210        let task = telemetry.thread_data(&session_id, cx);
 211        cx.background_spawn(async move {
 212            let thread = task.await?;
 213            telemetry::event!(
 214                "Agent Thread Feedback Comments",
 215                agent = agent,
 216                session_id = session_id,
 217                comments = comments,
 218                thread = thread
 219            );
 220            anyhow::Ok(())
 221        })
 222        .detach_and_log_err(cx);
 223    }
 224
 225    pub fn clear(&mut self) {
 226        *self = Self::default()
 227    }
 228
 229    pub fn dismiss_comments(&mut self) {
 230        self.comments_editor.take();
 231    }
 232
 233    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 234        let buffer = cx.new(|cx| {
 235            let empty_string = String::new();
 236            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 237        });
 238
 239        let editor = cx.new(|cx| {
 240            let mut editor = Editor::new(
 241                editor::EditorMode::AutoHeight {
 242                    min_lines: 1,
 243                    max_lines: Some(4),
 244                },
 245                buffer,
 246                None,
 247                window,
 248                cx,
 249            );
 250            editor.set_placeholder_text(
 251                "What went wrong? Share your feedback so we can improve.",
 252                window,
 253                cx,
 254            );
 255            editor
 256        });
 257
 258        editor.read(cx).focus_handle(cx).focus(window);
 259        editor
 260    }
 261}
 262
 263pub struct AcpThreadView {
 264    agent: Rc<dyn AgentServer>,
 265    workspace: WeakEntity<Workspace>,
 266    project: Entity<Project>,
 267    thread_state: ThreadState,
 268    login: Option<task::SpawnInTerminal>,
 269    history_store: Entity<HistoryStore>,
 270    hovered_recent_history_item: Option<usize>,
 271    entry_view_state: Entity<EntryViewState>,
 272    message_editor: Entity<MessageEditor>,
 273    focus_handle: FocusHandle,
 274    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 275    profile_selector: Option<Entity<ProfileSelector>>,
 276    notifications: Vec<WindowHandle<AgentNotification>>,
 277    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 278    thread_retry_status: Option<RetryStatus>,
 279    thread_error: Option<ThreadError>,
 280    thread_feedback: ThreadFeedbackState,
 281    list_state: ListState,
 282    auth_task: Option<Task<()>>,
 283    expanded_tool_calls: HashSet<acp::ToolCallId>,
 284    expanded_thinking_blocks: HashSet<(usize, usize)>,
 285    edits_expanded: bool,
 286    plan_expanded: bool,
 287    editor_expanded: bool,
 288    should_be_following: bool,
 289    editing_message: Option<usize>,
 290    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 291    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 292    is_loading_contents: bool,
 293    new_server_version_available: Option<SharedString>,
 294    resume_thread_metadata: Option<DbThreadMetadata>,
 295    _cancel_task: Option<Task<()>>,
 296    _subscriptions: [Subscription; 5],
 297    show_codex_windows_warning: bool,
 298}
 299
 300enum ThreadState {
 301    Loading(Entity<LoadingView>),
 302    Ready {
 303        thread: Entity<AcpThread>,
 304        title_editor: Option<Entity<Editor>>,
 305        mode_selector: Option<Entity<ModeSelector>>,
 306        _subscriptions: Vec<Subscription>,
 307    },
 308    LoadError(LoadError),
 309    Unauthenticated {
 310        connection: Rc<dyn AgentConnection>,
 311        description: Option<Entity<Markdown>>,
 312        configuration_view: Option<AnyView>,
 313        pending_auth_method: Option<acp::AuthMethodId>,
 314        _subscription: Option<Subscription>,
 315    },
 316}
 317
 318struct LoadingView {
 319    title: SharedString,
 320    _load_task: Task<()>,
 321    _update_title_task: Task<anyhow::Result<()>>,
 322}
 323
 324impl AcpThreadView {
 325    pub fn new(
 326        agent: Rc<dyn AgentServer>,
 327        resume_thread: Option<DbThreadMetadata>,
 328        summarize_thread: Option<DbThreadMetadata>,
 329        workspace: WeakEntity<Workspace>,
 330        project: Entity<Project>,
 331        history_store: Entity<HistoryStore>,
 332        prompt_store: Option<Entity<PromptStore>>,
 333        window: &mut Window,
 334        cx: &mut Context<Self>,
 335    ) -> Self {
 336        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 337        let available_commands = Rc::new(RefCell::new(vec![]));
 338
 339        let placeholder = if agent.name() == "Zed Agent" {
 340            format!("Message the {} — @ to include context", agent.name())
 341        } else if agent.name() == "Claude Code"
 342            || agent.name() == "Codex"
 343            || !available_commands.borrow().is_empty()
 344        {
 345            format!(
 346                "Message {} — @ to include context, / for commands",
 347                agent.name()
 348            )
 349        } else {
 350            format!("Message {} — @ to include context", agent.name())
 351        };
 352
 353        let message_editor = cx.new(|cx| {
 354            let mut editor = MessageEditor::new(
 355                workspace.clone(),
 356                project.clone(),
 357                history_store.clone(),
 358                prompt_store.clone(),
 359                prompt_capabilities.clone(),
 360                available_commands.clone(),
 361                agent.name(),
 362                &placeholder,
 363                editor::EditorMode::AutoHeight {
 364                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 365                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 366                },
 367                window,
 368                cx,
 369            );
 370            if let Some(entry) = summarize_thread {
 371                editor.insert_thread_summary(entry, window, cx);
 372            }
 373            editor
 374        });
 375
 376        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 377
 378        let entry_view_state = cx.new(|_| {
 379            EntryViewState::new(
 380                workspace.clone(),
 381                project.clone(),
 382                history_store.clone(),
 383                prompt_store.clone(),
 384                prompt_capabilities.clone(),
 385                available_commands.clone(),
 386                agent.name(),
 387            )
 388        });
 389
 390        let agent_server_store = project.read(cx).agent_server_store().clone();
 391        let subscriptions = [
 392            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 393            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 394            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 395            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 396            cx.subscribe_in(
 397                &agent_server_store,
 398                window,
 399                Self::handle_agent_servers_updated,
 400            ),
 401        ];
 402
 403        let show_codex_windows_warning = crate::ExternalAgent::parse_built_in(agent.as_ref())
 404            == Some(crate::ExternalAgent::Codex);
 405
 406        Self {
 407            agent: agent.clone(),
 408            workspace: workspace.clone(),
 409            project: project.clone(),
 410            entry_view_state,
 411            thread_state: Self::initial_state(
 412                agent.clone(),
 413                resume_thread.clone(),
 414                workspace.clone(),
 415                project.clone(),
 416                window,
 417                cx,
 418            ),
 419            login: None,
 420            message_editor,
 421            model_selector: None,
 422            profile_selector: None,
 423
 424            notifications: Vec::new(),
 425            notification_subscriptions: HashMap::default(),
 426            list_state: list_state,
 427            thread_retry_status: None,
 428            thread_error: None,
 429            thread_feedback: Default::default(),
 430            auth_task: None,
 431            expanded_tool_calls: HashSet::default(),
 432            expanded_thinking_blocks: HashSet::default(),
 433            editing_message: None,
 434            edits_expanded: false,
 435            plan_expanded: false,
 436            prompt_capabilities,
 437            available_commands,
 438            editor_expanded: false,
 439            should_be_following: false,
 440            history_store,
 441            hovered_recent_history_item: None,
 442            is_loading_contents: false,
 443            _subscriptions: subscriptions,
 444            _cancel_task: None,
 445            focus_handle: cx.focus_handle(),
 446            new_server_version_available: None,
 447            resume_thread_metadata: resume_thread,
 448            show_codex_windows_warning,
 449        }
 450    }
 451
 452    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 453        self.thread_state = Self::initial_state(
 454            self.agent.clone(),
 455            self.resume_thread_metadata.clone(),
 456            self.workspace.clone(),
 457            self.project.clone(),
 458            window,
 459            cx,
 460        );
 461        self.available_commands.replace(vec![]);
 462        self.new_server_version_available.take();
 463        cx.notify();
 464    }
 465
 466    fn initial_state(
 467        agent: Rc<dyn AgentServer>,
 468        resume_thread: Option<DbThreadMetadata>,
 469        workspace: WeakEntity<Workspace>,
 470        project: Entity<Project>,
 471        window: &mut Window,
 472        cx: &mut Context<Self>,
 473    ) -> ThreadState {
 474        if project.read(cx).is_via_collab()
 475            && agent.clone().downcast::<NativeAgentServer>().is_none()
 476        {
 477            return ThreadState::LoadError(LoadError::Other(
 478                "External agents are not yet supported in shared projects.".into(),
 479            ));
 480        }
 481        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 482        // Pick the first non-single-file worktree for the root directory if there are any,
 483        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 484        worktrees.sort_by(|l, r| {
 485            l.read(cx)
 486                .is_single_file()
 487                .cmp(&r.read(cx).is_single_file())
 488        });
 489        let root_dir = worktrees
 490            .into_iter()
 491            .filter_map(|worktree| {
 492                if worktree.read(cx).is_single_file() {
 493                    Some(worktree.read(cx).abs_path().parent()?.into())
 494                } else {
 495                    Some(worktree.read(cx).abs_path())
 496                }
 497            })
 498            .next();
 499        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 500        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 501        let delegate = AgentServerDelegate::new(
 502            project.read(cx).agent_server_store().clone(),
 503            project.clone(),
 504            Some(status_tx),
 505            Some(new_version_available_tx),
 506        );
 507
 508        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 509        let load_task = cx.spawn_in(window, async move |this, cx| {
 510            let connection = match connect_task.await {
 511                Ok((connection, login)) => {
 512                    this.update(cx, |this, _| this.login = login).ok();
 513                    connection
 514                }
 515                Err(err) => {
 516                    this.update_in(cx, |this, window, cx| {
 517                        if err.downcast_ref::<LoadError>().is_some() {
 518                            this.handle_load_error(err, window, cx);
 519                        } else {
 520                            this.handle_thread_error(err, cx);
 521                        }
 522                        cx.notify();
 523                    })
 524                    .log_err();
 525                    return;
 526                }
 527            };
 528
 529            let result = if let Some(native_agent) = connection
 530                .clone()
 531                .downcast::<agent::NativeAgentConnection>()
 532                && let Some(resume) = resume_thread.clone()
 533            {
 534                cx.update(|_, cx| {
 535                    native_agent
 536                        .0
 537                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 538                })
 539                .log_err()
 540            } else {
 541                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 542                cx.update(|_, cx| {
 543                    connection
 544                        .clone()
 545                        .new_thread(project.clone(), &root_dir, cx)
 546                })
 547                .log_err()
 548            };
 549
 550            let Some(result) = result else {
 551                return;
 552            };
 553
 554            let result = match result.await {
 555                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 556                    Ok(err) => {
 557                        cx.update(|window, cx| {
 558                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 559                        })
 560                        .log_err();
 561                        return;
 562                    }
 563                    Err(err) => Err(err),
 564                },
 565                Ok(thread) => Ok(thread),
 566            };
 567
 568            this.update_in(cx, |this, window, cx| {
 569                match result {
 570                    Ok(thread) => {
 571                        let action_log = thread.read(cx).action_log().clone();
 572
 573                        this.prompt_capabilities
 574                            .replace(thread.read(cx).prompt_capabilities());
 575
 576                        let count = thread.read(cx).entries().len();
 577                        this.entry_view_state.update(cx, |view_state, cx| {
 578                            for ix in 0..count {
 579                                view_state.sync_entry(ix, &thread, window, cx);
 580                            }
 581                            this.list_state.splice_focusable(
 582                                0..0,
 583                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 584                            );
 585                        });
 586
 587                        if let Some(resume) = resume_thread {
 588                            this.history_store.update(cx, |history, cx| {
 589                                history.push_recently_opened_entry(
 590                                    HistoryEntryId::AcpThread(resume.id),
 591                                    cx,
 592                                );
 593                            });
 594                        }
 595
 596                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 597
 598                        this.model_selector = thread
 599                            .read(cx)
 600                            .connection()
 601                            .model_selector(thread.read(cx).session_id())
 602                            .map(|selector| {
 603                                cx.new(|cx| {
 604                                    AcpModelSelectorPopover::new(
 605                                        selector,
 606                                        PopoverMenuHandle::default(),
 607                                        this.focus_handle(cx),
 608                                        window,
 609                                        cx,
 610                                    )
 611                                })
 612                            });
 613
 614                        let mode_selector = thread
 615                            .read(cx)
 616                            .connection()
 617                            .session_modes(thread.read(cx).session_id(), cx)
 618                            .map(|session_modes| {
 619                                let fs = this.project.read(cx).fs().clone();
 620                                let focus_handle = this.focus_handle(cx);
 621                                cx.new(|_cx| {
 622                                    ModeSelector::new(
 623                                        session_modes,
 624                                        this.agent.clone(),
 625                                        fs,
 626                                        focus_handle,
 627                                    )
 628                                })
 629                            });
 630
 631                        let mut subscriptions = vec![
 632                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 633                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 634                        ];
 635
 636                        let title_editor =
 637                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 638                                let editor = cx.new(|cx| {
 639                                    let mut editor = Editor::single_line(window, cx);
 640                                    editor.set_text(thread.read(cx).title(), window, cx);
 641                                    editor
 642                                });
 643                                subscriptions.push(cx.subscribe_in(
 644                                    &editor,
 645                                    window,
 646                                    Self::handle_title_editor_event,
 647                                ));
 648                                Some(editor)
 649                            } else {
 650                                None
 651                            };
 652
 653                        this.thread_state = ThreadState::Ready {
 654                            thread,
 655                            title_editor,
 656                            mode_selector,
 657                            _subscriptions: subscriptions,
 658                        };
 659                        this.message_editor.focus_handle(cx).focus(window);
 660
 661                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 662                            cx.new(|cx| {
 663                                ProfileSelector::new(
 664                                    <dyn Fs>::global(cx),
 665                                    Arc::new(thread.clone()),
 666                                    this.focus_handle(cx),
 667                                    cx,
 668                                )
 669                            })
 670                        });
 671
 672                        cx.notify();
 673                    }
 674                    Err(err) => {
 675                        this.handle_load_error(err, window, cx);
 676                    }
 677                };
 678            })
 679            .log_err();
 680        });
 681
 682        cx.spawn(async move |this, cx| {
 683            while let Ok(new_version) = new_version_available_rx.recv().await {
 684                if let Some(new_version) = new_version {
 685                    this.update(cx, |this, cx| {
 686                        this.new_server_version_available = Some(new_version.into());
 687                        cx.notify();
 688                    })
 689                    .log_err();
 690                }
 691            }
 692        })
 693        .detach();
 694
 695        let loading_view = cx.new(|cx| {
 696            let update_title_task = cx.spawn(async move |this, cx| {
 697                loop {
 698                    let status = status_rx.recv().await?;
 699                    this.update(cx, |this: &mut LoadingView, cx| {
 700                        this.title = status;
 701                        cx.notify();
 702                    })?;
 703                }
 704            });
 705
 706            LoadingView {
 707                title: "Loading…".into(),
 708                _load_task: load_task,
 709                _update_title_task: update_title_task,
 710            }
 711        });
 712
 713        ThreadState::Loading(loading_view)
 714    }
 715
 716    fn handle_auth_required(
 717        this: WeakEntity<Self>,
 718        err: AuthRequired,
 719        agent: Rc<dyn AgentServer>,
 720        connection: Rc<dyn AgentConnection>,
 721        window: &mut Window,
 722        cx: &mut App,
 723    ) {
 724        let agent_name = agent.name();
 725        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 726            let registry = LanguageModelRegistry::global(cx);
 727
 728            let sub = window.subscribe(&registry, cx, {
 729                let provider_id = provider_id.clone();
 730                let this = this.clone();
 731                move |_, ev, window, cx| {
 732                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 733                        && &provider_id == updated_provider_id
 734                        && LanguageModelRegistry::global(cx)
 735                            .read(cx)
 736                            .provider(&provider_id)
 737                            .map_or(false, |provider| provider.is_authenticated(cx))
 738                    {
 739                        this.update(cx, |this, cx| {
 740                            this.reset(window, cx);
 741                        })
 742                        .ok();
 743                    }
 744                }
 745            });
 746
 747            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 748                provider.configuration_view(
 749                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 750                    window,
 751                    cx,
 752                )
 753            });
 754
 755            (view, Some(sub))
 756        } else {
 757            (None, None)
 758        };
 759
 760        this.update(cx, |this, cx| {
 761            this.thread_state = ThreadState::Unauthenticated {
 762                pending_auth_method: None,
 763                connection,
 764                configuration_view,
 765                description: err
 766                    .description
 767                    .clone()
 768                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 769                _subscription: subscription,
 770            };
 771            if this.message_editor.focus_handle(cx).is_focused(window) {
 772                this.focus_handle.focus(window)
 773            }
 774            cx.notify();
 775        })
 776        .ok();
 777    }
 778
 779    fn handle_load_error(
 780        &mut self,
 781        err: anyhow::Error,
 782        window: &mut Window,
 783        cx: &mut Context<Self>,
 784    ) {
 785        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 786            self.thread_state = ThreadState::LoadError(load_err.clone());
 787        } else {
 788            self.thread_state =
 789                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 790        }
 791        if self.message_editor.focus_handle(cx).is_focused(window) {
 792            self.focus_handle.focus(window)
 793        }
 794        cx.notify();
 795    }
 796
 797    fn handle_agent_servers_updated(
 798        &mut self,
 799        _agent_server_store: &Entity<project::AgentServerStore>,
 800        _event: &project::AgentServersUpdated,
 801        window: &mut Window,
 802        cx: &mut Context<Self>,
 803    ) {
 804        // If we're in a LoadError state OR have a thread_error set (which can happen
 805        // when agent.connect() fails during loading), retry loading the thread.
 806        // This handles the case where a thread is restored before authentication completes.
 807        let should_retry =
 808            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 809
 810        if should_retry {
 811            self.thread_error = None;
 812            self.reset(window, cx);
 813        }
 814    }
 815
 816    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 817        &self.workspace
 818    }
 819
 820    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 821        match &self.thread_state {
 822            ThreadState::Ready { thread, .. } => Some(thread),
 823            ThreadState::Unauthenticated { .. }
 824            | ThreadState::Loading { .. }
 825            | ThreadState::LoadError { .. } => None,
 826        }
 827    }
 828
 829    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 830        match &self.thread_state {
 831            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 832            ThreadState::Unauthenticated { .. }
 833            | ThreadState::Loading { .. }
 834            | ThreadState::LoadError { .. } => None,
 835        }
 836    }
 837
 838    pub fn title(&self, cx: &App) -> SharedString {
 839        match &self.thread_state {
 840            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 841            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 842            ThreadState::LoadError(error) => match error {
 843                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 844                LoadError::FailedToInstall(_) => {
 845                    format!("Failed to Install {}", self.agent.name()).into()
 846                }
 847                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 848                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 849            },
 850        }
 851    }
 852
 853    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 854        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 855            title_editor.clone()
 856        } else {
 857            None
 858        }
 859    }
 860
 861    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 862        self.thread_error.take();
 863        self.thread_retry_status.take();
 864
 865        if let Some(thread) = self.thread() {
 866            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 867        }
 868    }
 869
 870    pub fn expand_message_editor(
 871        &mut self,
 872        _: &ExpandMessageEditor,
 873        _window: &mut Window,
 874        cx: &mut Context<Self>,
 875    ) {
 876        self.set_editor_is_expanded(!self.editor_expanded, cx);
 877        cx.stop_propagation();
 878        cx.notify();
 879    }
 880
 881    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 882        self.editor_expanded = is_expanded;
 883        self.message_editor.update(cx, |editor, cx| {
 884            if is_expanded {
 885                editor.set_mode(
 886                    EditorMode::Full {
 887                        scale_ui_elements_with_buffer_font_size: false,
 888                        show_active_line_background: false,
 889                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
 890                    },
 891                    cx,
 892                )
 893            } else {
 894                let agent_settings = AgentSettings::get_global(cx);
 895                editor.set_mode(
 896                    EditorMode::AutoHeight {
 897                        min_lines: agent_settings.message_editor_min_lines,
 898                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 899                    },
 900                    cx,
 901                )
 902            }
 903        });
 904        cx.notify();
 905    }
 906
 907    pub fn handle_title_editor_event(
 908        &mut self,
 909        title_editor: &Entity<Editor>,
 910        event: &EditorEvent,
 911        window: &mut Window,
 912        cx: &mut Context<Self>,
 913    ) {
 914        let Some(thread) = self.thread() else { return };
 915
 916        match event {
 917            EditorEvent::BufferEdited => {
 918                let new_title = title_editor.read(cx).text(cx);
 919                thread.update(cx, |thread, cx| {
 920                    thread
 921                        .set_title(new_title.into(), cx)
 922                        .detach_and_log_err(cx);
 923                })
 924            }
 925            EditorEvent::Blurred => {
 926                if title_editor.read(cx).text(cx).is_empty() {
 927                    title_editor.update(cx, |editor, cx| {
 928                        editor.set_text("New Thread", window, cx);
 929                    });
 930                }
 931            }
 932            _ => {}
 933        }
 934    }
 935
 936    pub fn handle_message_editor_event(
 937        &mut self,
 938        _: &Entity<MessageEditor>,
 939        event: &MessageEditorEvent,
 940        window: &mut Window,
 941        cx: &mut Context<Self>,
 942    ) {
 943        match event {
 944            MessageEditorEvent::Send => self.send(window, cx),
 945            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 946            MessageEditorEvent::Focus => {
 947                self.cancel_editing(&Default::default(), window, cx);
 948            }
 949            MessageEditorEvent::LostFocus => {}
 950        }
 951    }
 952
 953    pub fn handle_entry_view_event(
 954        &mut self,
 955        _: &Entity<EntryViewState>,
 956        event: &EntryViewEvent,
 957        window: &mut Window,
 958        cx: &mut Context<Self>,
 959    ) {
 960        match &event.view_event {
 961            ViewEvent::NewDiff(tool_call_id) => {
 962                if AgentSettings::get_global(cx).expand_edit_card {
 963                    self.expanded_tool_calls.insert(tool_call_id.clone());
 964                }
 965            }
 966            ViewEvent::NewTerminal(tool_call_id) => {
 967                if AgentSettings::get_global(cx).expand_terminal_card {
 968                    self.expanded_tool_calls.insert(tool_call_id.clone());
 969                }
 970            }
 971            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 972                self.expanded_tool_calls.remove(tool_call_id);
 973            }
 974            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 975                if let Some(thread) = self.thread()
 976                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 977                        thread.read(cx).entries().get(event.entry_index)
 978                    && user_message.id.is_some()
 979                {
 980                    self.editing_message = Some(event.entry_index);
 981                    cx.notify();
 982                }
 983            }
 984            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 985                if let Some(thread) = self.thread()
 986                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 987                        thread.read(cx).entries().get(event.entry_index)
 988                    && user_message.id.is_some()
 989                {
 990                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 991                        self.editing_message = None;
 992                        cx.notify();
 993                    }
 994                }
 995            }
 996            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 997                self.regenerate(event.entry_index, editor.clone(), window, cx);
 998            }
 999            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1000                self.cancel_editing(&Default::default(), window, cx);
1001            }
1002        }
1003    }
1004
1005    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1006        self.thread_error.take();
1007        let Some(thread) = self.thread() else {
1008            return;
1009        };
1010        if !thread.read(cx).can_resume(cx) {
1011            return;
1012        }
1013
1014        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1015        cx.spawn(async move |this, cx| {
1016            let result = task.await;
1017
1018            this.update(cx, |this, cx| {
1019                if let Err(err) = result {
1020                    this.handle_thread_error(err, cx);
1021                }
1022            })
1023        })
1024        .detach();
1025    }
1026
1027    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1028        let Some(thread) = self.thread() else { return };
1029
1030        if self.is_loading_contents {
1031            return;
1032        }
1033
1034        self.history_store.update(cx, |history, cx| {
1035            history.push_recently_opened_entry(
1036                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1037                cx,
1038            );
1039        });
1040
1041        if thread.read(cx).status() != ThreadStatus::Idle {
1042            self.stop_current_and_send_new_message(window, cx);
1043            return;
1044        }
1045
1046        let text = self.message_editor.read(cx).text(cx);
1047        let text = text.trim();
1048        if text == "/login" || text == "/logout" {
1049            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1050                return;
1051            };
1052
1053            let connection = thread.read(cx).connection().clone();
1054            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1055            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1056            let logout_supported = text == "/logout"
1057                && self
1058                    .available_commands
1059                    .borrow()
1060                    .iter()
1061                    .any(|command| command.name == "logout");
1062            if can_login && !logout_supported {
1063                self.message_editor
1064                    .update(cx, |editor, cx| editor.clear(window, cx));
1065
1066                let this = cx.weak_entity();
1067                let agent = self.agent.clone();
1068                window.defer(cx, |window, cx| {
1069                    Self::handle_auth_required(
1070                        this,
1071                        AuthRequired {
1072                            description: None,
1073                            provider_id: None,
1074                        },
1075                        agent,
1076                        connection,
1077                        window,
1078                        cx,
1079                    );
1080                });
1081                cx.notify();
1082                return;
1083            }
1084        }
1085
1086        self.send_impl(self.message_editor.clone(), window, cx)
1087    }
1088
1089    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1090        let Some(thread) = self.thread().cloned() else {
1091            return;
1092        };
1093
1094        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1095
1096        cx.spawn_in(window, async move |this, cx| {
1097            cancelled.await;
1098
1099            this.update_in(cx, |this, window, cx| {
1100                this.send_impl(this.message_editor.clone(), window, cx);
1101            })
1102            .ok();
1103        })
1104        .detach();
1105    }
1106
1107    fn send_impl(
1108        &mut self,
1109        message_editor: Entity<MessageEditor>,
1110        window: &mut Window,
1111        cx: &mut Context<Self>,
1112    ) {
1113        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1114            // Include full contents when using minimal profile
1115            let thread = thread.read(cx);
1116            AgentSettings::get_global(cx)
1117                .profiles
1118                .get(thread.profile())
1119                .is_some_and(|profile| profile.tools.is_empty())
1120        });
1121
1122        let contents = message_editor.update(cx, |message_editor, cx| {
1123            message_editor.contents(full_mention_content, cx)
1124        });
1125
1126        self.thread_error.take();
1127        self.editing_message.take();
1128        self.thread_feedback.clear();
1129
1130        let Some(thread) = self.thread() else {
1131            return;
1132        };
1133        let agent_telemetry_id = self.agent.telemetry_id();
1134        let session_id = thread.read(cx).session_id().clone();
1135        let thread = thread.downgrade();
1136        if self.should_be_following {
1137            self.workspace
1138                .update(cx, |workspace, cx| {
1139                    workspace.follow(CollaboratorId::Agent, window, cx);
1140                })
1141                .ok();
1142        }
1143
1144        self.is_loading_contents = true;
1145        let model_id = self.current_model_id(cx);
1146        let guard = cx.new(|_| ());
1147        cx.observe_release(&guard, |this, _guard, cx| {
1148            this.is_loading_contents = false;
1149            cx.notify();
1150        })
1151        .detach();
1152
1153        let task = cx.spawn_in(window, async move |this, cx| {
1154            let (contents, tracked_buffers) = contents.await?;
1155
1156            if contents.is_empty() {
1157                return Ok(());
1158            }
1159
1160            this.update_in(cx, |this, window, cx| {
1161                this.set_editor_is_expanded(false, cx);
1162                this.scroll_to_bottom(cx);
1163                this.message_editor.update(cx, |message_editor, cx| {
1164                    message_editor.clear(window, cx);
1165                });
1166            })?;
1167            let turn_start_time = Instant::now();
1168            let send = thread.update(cx, |thread, cx| {
1169                thread.action_log().update(cx, |action_log, cx| {
1170                    for buffer in tracked_buffers {
1171                        action_log.buffer_read(buffer, cx)
1172                    }
1173                });
1174                drop(guard);
1175
1176                telemetry::event!(
1177                    "Agent Message Sent",
1178                    agent = agent_telemetry_id,
1179                    session = session_id,
1180                    model = model_id
1181                );
1182
1183                thread.send(contents, cx)
1184            })?;
1185            let res = send.await;
1186            let turn_time_ms = turn_start_time.elapsed().as_millis();
1187            let status = if res.is_ok() { "success" } else { "failure" };
1188            telemetry::event!(
1189                "Agent Turn Completed",
1190                agent = agent_telemetry_id,
1191                session = session_id,
1192                model = model_id,
1193                status,
1194                turn_time_ms,
1195            );
1196            res
1197        });
1198
1199        cx.spawn(async move |this, cx| {
1200            if let Err(err) = task.await {
1201                this.update(cx, |this, cx| {
1202                    this.handle_thread_error(err, cx);
1203                })
1204                .ok();
1205            } else {
1206                this.update(cx, |this, cx| {
1207                    this.should_be_following = this
1208                        .workspace
1209                        .update(cx, |workspace, _| {
1210                            workspace.is_being_followed(CollaboratorId::Agent)
1211                        })
1212                        .unwrap_or_default();
1213                })
1214                .ok();
1215            }
1216        })
1217        .detach();
1218    }
1219
1220    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1221        let Some(thread) = self.thread().cloned() else {
1222            return;
1223        };
1224
1225        if let Some(index) = self.editing_message.take()
1226            && let Some(editor) = self
1227                .entry_view_state
1228                .read(cx)
1229                .entry(index)
1230                .and_then(|e| e.message_editor())
1231                .cloned()
1232        {
1233            editor.update(cx, |editor, cx| {
1234                if let Some(user_message) = thread
1235                    .read(cx)
1236                    .entries()
1237                    .get(index)
1238                    .and_then(|e| e.user_message())
1239                {
1240                    editor.set_message(user_message.chunks.clone(), window, cx);
1241                }
1242            })
1243        };
1244        self.focus_handle(cx).focus(window);
1245        cx.notify();
1246    }
1247
1248    fn regenerate(
1249        &mut self,
1250        entry_ix: usize,
1251        message_editor: Entity<MessageEditor>,
1252        window: &mut Window,
1253        cx: &mut Context<Self>,
1254    ) {
1255        let Some(thread) = self.thread().cloned() else {
1256            return;
1257        };
1258        if self.is_loading_contents {
1259            return;
1260        }
1261
1262        let Some(user_message_id) = thread.update(cx, |thread, _| {
1263            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1264        }) else {
1265            return;
1266        };
1267
1268        cx.spawn_in(window, async move |this, cx| {
1269            thread
1270                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1271                .await?;
1272            this.update_in(cx, |this, window, cx| {
1273                this.send_impl(message_editor, window, cx);
1274                this.focus_handle(cx).focus(window);
1275            })?;
1276            anyhow::Ok(())
1277        })
1278        .detach();
1279    }
1280
1281    fn open_edited_buffer(
1282        &mut self,
1283        buffer: &Entity<Buffer>,
1284        window: &mut Window,
1285        cx: &mut Context<Self>,
1286    ) {
1287        let Some(thread) = self.thread() else {
1288            return;
1289        };
1290
1291        let Some(diff) =
1292            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1293        else {
1294            return;
1295        };
1296
1297        diff.update(cx, |diff, cx| {
1298            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1299        })
1300    }
1301
1302    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1303        let Some(thread) = self.as_native_thread(cx) else {
1304            return;
1305        };
1306        let project_context = thread.read(cx).project_context().read(cx);
1307
1308        let project_entry_ids = project_context
1309            .worktrees
1310            .iter()
1311            .flat_map(|worktree| worktree.rules_file.as_ref())
1312            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1313            .collect::<Vec<_>>();
1314
1315        self.workspace
1316            .update(cx, move |workspace, cx| {
1317                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1318                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1319                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1320                let project = workspace.project().read(cx);
1321                let project_paths = project_entry_ids
1322                    .into_iter()
1323                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1324                    .collect::<Vec<_>>();
1325                for project_path in project_paths {
1326                    workspace
1327                        .open_path(project_path, None, true, window, cx)
1328                        .detach_and_log_err(cx);
1329                }
1330            })
1331            .ok();
1332    }
1333
1334    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1335        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1336        cx.notify();
1337    }
1338
1339    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1340        self.thread_error = None;
1341        cx.notify();
1342    }
1343
1344    fn handle_thread_event(
1345        &mut self,
1346        thread: &Entity<AcpThread>,
1347        event: &AcpThreadEvent,
1348        window: &mut Window,
1349        cx: &mut Context<Self>,
1350    ) {
1351        match event {
1352            AcpThreadEvent::NewEntry => {
1353                let len = thread.read(cx).entries().len();
1354                let index = len - 1;
1355                self.entry_view_state.update(cx, |view_state, cx| {
1356                    view_state.sync_entry(index, thread, window, cx);
1357                    self.list_state.splice_focusable(
1358                        index..index,
1359                        [view_state
1360                            .entry(index)
1361                            .and_then(|entry| entry.focus_handle(cx))],
1362                    );
1363                });
1364            }
1365            AcpThreadEvent::EntryUpdated(index) => {
1366                self.entry_view_state.update(cx, |view_state, cx| {
1367                    view_state.sync_entry(*index, thread, window, cx)
1368                });
1369            }
1370            AcpThreadEvent::EntriesRemoved(range) => {
1371                self.entry_view_state
1372                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1373                self.list_state.splice(range.clone(), 0);
1374            }
1375            AcpThreadEvent::ToolAuthorizationRequired => {
1376                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1377            }
1378            AcpThreadEvent::Retry(retry) => {
1379                self.thread_retry_status = Some(retry.clone());
1380            }
1381            AcpThreadEvent::Stopped => {
1382                self.thread_retry_status.take();
1383                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1384                self.notify_with_sound(
1385                    if used_tools {
1386                        "Finished running tools"
1387                    } else {
1388                        "New message"
1389                    },
1390                    IconName::ZedAssistant,
1391                    window,
1392                    cx,
1393                );
1394            }
1395            AcpThreadEvent::Refusal => {
1396                self.thread_retry_status.take();
1397                self.thread_error = Some(ThreadError::Refusal);
1398                let model_or_agent_name = self.current_model_name(cx);
1399                let notification_message =
1400                    format!("{} refused to respond to this request", model_or_agent_name);
1401                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1402            }
1403            AcpThreadEvent::Error => {
1404                self.thread_retry_status.take();
1405                self.notify_with_sound(
1406                    "Agent stopped due to an error",
1407                    IconName::Warning,
1408                    window,
1409                    cx,
1410                );
1411            }
1412            AcpThreadEvent::LoadError(error) => {
1413                self.thread_retry_status.take();
1414                self.thread_state = ThreadState::LoadError(error.clone());
1415                if self.message_editor.focus_handle(cx).is_focused(window) {
1416                    self.focus_handle.focus(window)
1417                }
1418            }
1419            AcpThreadEvent::TitleUpdated => {
1420                let title = thread.read(cx).title();
1421                if let Some(title_editor) = self.title_editor() {
1422                    title_editor.update(cx, |editor, cx| {
1423                        if editor.text(cx) != title {
1424                            editor.set_text(title, window, cx);
1425                        }
1426                    });
1427                }
1428            }
1429            AcpThreadEvent::PromptCapabilitiesUpdated => {
1430                self.prompt_capabilities
1431                    .replace(thread.read(cx).prompt_capabilities());
1432            }
1433            AcpThreadEvent::TokenUsageUpdated => {}
1434            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1435                let mut available_commands = available_commands.clone();
1436
1437                if thread
1438                    .read(cx)
1439                    .connection()
1440                    .auth_methods()
1441                    .iter()
1442                    .any(|method| method.id.0.as_ref() == "claude-login")
1443                {
1444                    available_commands.push(acp::AvailableCommand {
1445                        name: "login".to_owned(),
1446                        description: "Authenticate".to_owned(),
1447                        input: None,
1448                        meta: None,
1449                    });
1450                    available_commands.push(acp::AvailableCommand {
1451                        name: "logout".to_owned(),
1452                        description: "Authenticate".to_owned(),
1453                        input: None,
1454                        meta: None,
1455                    });
1456                }
1457
1458                self.available_commands.replace(available_commands);
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                            .child(self.render_follow_toggle(cx))
4196                            .children(self.render_burn_mode_toggle(cx)),
4197                    )
4198                    .child(
4199                        h_flex()
4200                            .gap_1()
4201                            .children(self.render_token_usage(cx))
4202                            .children(self.profile_selector.clone())
4203                            .children(self.mode_selector().cloned())
4204                            .children(self.model_selector.clone())
4205                            .child(self.render_send_button(cx)),
4206                    ),
4207            )
4208            .when(!enable_editor, |this| this.child(backdrop))
4209            .into_any()
4210    }
4211
4212    pub(crate) fn as_native_connection(
4213        &self,
4214        cx: &App,
4215    ) -> Option<Rc<agent::NativeAgentConnection>> {
4216        let acp_thread = self.thread()?.read(cx);
4217        acp_thread.connection().clone().downcast()
4218    }
4219
4220    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
4221        let acp_thread = self.thread()?.read(cx);
4222        self.as_native_connection(cx)?
4223            .thread(acp_thread.session_id(), cx)
4224    }
4225
4226    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4227        self.as_native_thread(cx)
4228            .and_then(|thread| thread.read(cx).model())
4229            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4230    }
4231
4232    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4233        let thread = self.thread()?.read(cx);
4234        let usage = thread.token_usage()?;
4235        let is_generating = thread.status() != ThreadStatus::Idle;
4236
4237        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4238        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4239
4240        Some(
4241            h_flex()
4242                .flex_shrink_0()
4243                .gap_0p5()
4244                .mr_1p5()
4245                .child(
4246                    Label::new(used)
4247                        .size(LabelSize::Small)
4248                        .color(Color::Muted)
4249                        .map(|label| {
4250                            if is_generating {
4251                                label
4252                                    .with_animation(
4253                                        "used-tokens-label",
4254                                        Animation::new(Duration::from_secs(2))
4255                                            .repeat()
4256                                            .with_easing(pulsating_between(0.3, 0.8)),
4257                                        |label, delta| label.alpha(delta),
4258                                    )
4259                                    .into_any()
4260                            } else {
4261                                label.into_any_element()
4262                            }
4263                        }),
4264                )
4265                .child(
4266                    Label::new("/")
4267                        .size(LabelSize::Small)
4268                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4269                )
4270                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4271        )
4272    }
4273
4274    fn toggle_burn_mode(
4275        &mut self,
4276        _: &ToggleBurnMode,
4277        _window: &mut Window,
4278        cx: &mut Context<Self>,
4279    ) {
4280        let Some(thread) = self.as_native_thread(cx) else {
4281            return;
4282        };
4283
4284        thread.update(cx, |thread, cx| {
4285            let current_mode = thread.completion_mode();
4286            thread.set_completion_mode(
4287                match current_mode {
4288                    CompletionMode::Burn => CompletionMode::Normal,
4289                    CompletionMode::Normal => CompletionMode::Burn,
4290                },
4291                cx,
4292            );
4293        });
4294    }
4295
4296    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4297        let Some(thread) = self.thread() else {
4298            return;
4299        };
4300        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4301        let action_log = thread.read(cx).action_log().clone();
4302        action_log.update(cx, |action_log, cx| {
4303            action_log.keep_all_edits(Some(telemetry), cx)
4304        });
4305    }
4306
4307    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4308        let Some(thread) = self.thread() else {
4309            return;
4310        };
4311        let telemetry = ActionLogTelemetry::from(thread.read(cx));
4312        let action_log = thread.read(cx).action_log().clone();
4313        action_log
4314            .update(cx, |action_log, cx| {
4315                action_log.reject_all_edits(Some(telemetry), cx)
4316            })
4317            .detach();
4318    }
4319
4320    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4321        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4322    }
4323
4324    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4325        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4326    }
4327
4328    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4329        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4330    }
4331
4332    fn authorize_pending_tool_call(
4333        &mut self,
4334        kind: acp::PermissionOptionKind,
4335        window: &mut Window,
4336        cx: &mut Context<Self>,
4337    ) -> Option<()> {
4338        let thread = self.thread()?.read(cx);
4339        let tool_call = thread.first_tool_awaiting_confirmation()?;
4340        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4341            return None;
4342        };
4343        let option = options.iter().find(|o| o.kind == kind)?;
4344
4345        self.authorize_tool_call(
4346            tool_call.id.clone(),
4347            option.id.clone(),
4348            option.kind,
4349            window,
4350            cx,
4351        );
4352
4353        Some(())
4354    }
4355
4356    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4357        let thread = self.as_native_thread(cx)?.read(cx);
4358
4359        if thread
4360            .model()
4361            .is_none_or(|model| !model.supports_burn_mode())
4362        {
4363            return None;
4364        }
4365
4366        let active_completion_mode = thread.completion_mode();
4367        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4368        let icon = if burn_mode_enabled {
4369            IconName::ZedBurnModeOn
4370        } else {
4371            IconName::ZedBurnMode
4372        };
4373
4374        Some(
4375            IconButton::new("burn-mode", icon)
4376                .icon_size(IconSize::Small)
4377                .icon_color(Color::Muted)
4378                .toggle_state(burn_mode_enabled)
4379                .selected_icon_color(Color::Error)
4380                .on_click(cx.listener(|this, _event, window, cx| {
4381                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4382                }))
4383                .tooltip(move |_window, cx| {
4384                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4385                        .into()
4386                })
4387                .into_any_element(),
4388        )
4389    }
4390
4391    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4392        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4393        let is_generating = self
4394            .thread()
4395            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4396
4397        if self.is_loading_contents {
4398            div()
4399                .id("loading-message-content")
4400                .px_1()
4401                .tooltip(Tooltip::text("Loading Added Context…"))
4402                .child(loading_contents_spinner(IconSize::default()))
4403                .into_any_element()
4404        } else if is_generating && is_editor_empty {
4405            IconButton::new("stop-generation", IconName::Stop)
4406                .icon_color(Color::Error)
4407                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4408                .tooltip(move |_window, cx| {
4409                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
4410                })
4411                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4412                .into_any_element()
4413        } else {
4414            let send_btn_tooltip = if is_editor_empty && !is_generating {
4415                "Type to Send"
4416            } else if is_generating {
4417                "Stop and Send Message"
4418            } else {
4419                "Send"
4420            };
4421
4422            IconButton::new("send-message", IconName::Send)
4423                .style(ButtonStyle::Filled)
4424                .map(|this| {
4425                    if is_editor_empty && !is_generating {
4426                        this.disabled(true).icon_color(Color::Muted)
4427                    } else {
4428                        this.icon_color(Color::Accent)
4429                    }
4430                })
4431                .tooltip(move |_window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, cx))
4432                .on_click(cx.listener(|this, _, window, cx| {
4433                    this.send(window, cx);
4434                }))
4435                .into_any_element()
4436        }
4437    }
4438
4439    fn is_following(&self, cx: &App) -> bool {
4440        match self.thread().map(|thread| thread.read(cx).status()) {
4441            Some(ThreadStatus::Generating) => self
4442                .workspace
4443                .read_with(cx, |workspace, _| {
4444                    workspace.is_being_followed(CollaboratorId::Agent)
4445                })
4446                .unwrap_or(false),
4447            _ => self.should_be_following,
4448        }
4449    }
4450
4451    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4452        let following = self.is_following(cx);
4453
4454        self.should_be_following = !following;
4455        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4456            self.workspace
4457                .update(cx, |workspace, cx| {
4458                    if following {
4459                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4460                    } else {
4461                        workspace.follow(CollaboratorId::Agent, window, cx);
4462                    }
4463                })
4464                .ok();
4465        }
4466
4467        telemetry::event!("Follow Agent Selected", following = !following);
4468    }
4469
4470    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4471        let following = self.is_following(cx);
4472
4473        let tooltip_label = if following {
4474            if self.agent.name() == "Zed Agent" {
4475                format!("Stop Following the {}", self.agent.name())
4476            } else {
4477                format!("Stop Following {}", self.agent.name())
4478            }
4479        } else {
4480            if self.agent.name() == "Zed Agent" {
4481                format!("Follow the {}", self.agent.name())
4482            } else {
4483                format!("Follow {}", self.agent.name())
4484            }
4485        };
4486
4487        IconButton::new("follow-agent", IconName::Crosshair)
4488            .icon_size(IconSize::Small)
4489            .icon_color(Color::Muted)
4490            .toggle_state(following)
4491            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4492            .tooltip(move |_window, cx| {
4493                if following {
4494                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
4495                } else {
4496                    Tooltip::with_meta(
4497                        tooltip_label.clone(),
4498                        Some(&Follow),
4499                        "Track the agent's location as it reads and edits files.",
4500                        cx,
4501                    )
4502                }
4503            })
4504            .on_click(cx.listener(move |this, _, window, cx| {
4505                this.toggle_following(window, cx);
4506            }))
4507    }
4508
4509    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4510        let workspace = self.workspace.clone();
4511        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4512            Self::open_link(text, &workspace, window, cx);
4513        })
4514    }
4515
4516    fn open_link(
4517        url: SharedString,
4518        workspace: &WeakEntity<Workspace>,
4519        window: &mut Window,
4520        cx: &mut App,
4521    ) {
4522        let Some(workspace) = workspace.upgrade() else {
4523            cx.open_url(&url);
4524            return;
4525        };
4526
4527        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
4528        {
4529            workspace.update(cx, |workspace, cx| match mention {
4530                MentionUri::File { abs_path } => {
4531                    let project = workspace.project();
4532                    let Some(path) =
4533                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4534                    else {
4535                        return;
4536                    };
4537
4538                    workspace
4539                        .open_path(path, None, true, window, cx)
4540                        .detach_and_log_err(cx);
4541                }
4542                MentionUri::PastedImage => {}
4543                MentionUri::Directory { abs_path } => {
4544                    let project = workspace.project();
4545                    let Some(entry_id) = project.update(cx, |project, cx| {
4546                        let path = project.find_project_path(abs_path, cx)?;
4547                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4548                    }) else {
4549                        return;
4550                    };
4551
4552                    project.update(cx, |_, cx| {
4553                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4554                    });
4555                }
4556                MentionUri::Symbol {
4557                    abs_path: path,
4558                    line_range,
4559                    ..
4560                }
4561                | MentionUri::Selection {
4562                    abs_path: Some(path),
4563                    line_range,
4564                } => {
4565                    let project = workspace.project();
4566                    let Some(path) =
4567                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4568                    else {
4569                        return;
4570                    };
4571
4572                    let item = workspace.open_path(path, None, true, window, cx);
4573                    window
4574                        .spawn(cx, async move |cx| {
4575                            let Some(editor) = item.await?.downcast::<Editor>() else {
4576                                return Ok(());
4577                            };
4578                            let range = Point::new(*line_range.start(), 0)
4579                                ..Point::new(*line_range.start(), 0);
4580                            editor
4581                                .update_in(cx, |editor, window, cx| {
4582                                    editor.change_selections(
4583                                        SelectionEffects::scroll(Autoscroll::center()),
4584                                        window,
4585                                        cx,
4586                                        |s| s.select_ranges(vec![range]),
4587                                    );
4588                                })
4589                                .ok();
4590                            anyhow::Ok(())
4591                        })
4592                        .detach_and_log_err(cx);
4593                }
4594                MentionUri::Selection { abs_path: None, .. } => {}
4595                MentionUri::Thread { id, name } => {
4596                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4597                        panel.update(cx, |panel, cx| {
4598                            panel.load_agent_thread(
4599                                DbThreadMetadata {
4600                                    id,
4601                                    title: name.into(),
4602                                    updated_at: Default::default(),
4603                                },
4604                                window,
4605                                cx,
4606                            )
4607                        });
4608                    }
4609                }
4610                MentionUri::TextThread { path, .. } => {
4611                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4612                        panel.update(cx, |panel, cx| {
4613                            panel
4614                                .open_saved_text_thread(path.as_path().into(), window, cx)
4615                                .detach_and_log_err(cx);
4616                        });
4617                    }
4618                }
4619                MentionUri::Rule { id, .. } => {
4620                    let PromptId::User { uuid } = id else {
4621                        return;
4622                    };
4623                    window.dispatch_action(
4624                        Box::new(OpenRulesLibrary {
4625                            prompt_to_select: Some(uuid.0),
4626                        }),
4627                        cx,
4628                    )
4629                }
4630                MentionUri::Fetch { url } => {
4631                    cx.open_url(url.as_str());
4632                }
4633            })
4634        } else {
4635            cx.open_url(&url);
4636        }
4637    }
4638
4639    fn open_tool_call_location(
4640        &self,
4641        entry_ix: usize,
4642        location_ix: usize,
4643        window: &mut Window,
4644        cx: &mut Context<Self>,
4645    ) -> Option<()> {
4646        let (tool_call_location, agent_location) = self
4647            .thread()?
4648            .read(cx)
4649            .entries()
4650            .get(entry_ix)?
4651            .location(location_ix)?;
4652
4653        let project_path = self
4654            .project
4655            .read(cx)
4656            .find_project_path(&tool_call_location.path, cx)?;
4657
4658        let open_task = self
4659            .workspace
4660            .update(cx, |workspace, cx| {
4661                workspace.open_path(project_path, None, true, window, cx)
4662            })
4663            .log_err()?;
4664        window
4665            .spawn(cx, async move |cx| {
4666                let item = open_task.await?;
4667
4668                let Some(active_editor) = item.downcast::<Editor>() else {
4669                    return anyhow::Ok(());
4670                };
4671
4672                active_editor.update_in(cx, |editor, window, cx| {
4673                    let multibuffer = editor.buffer().read(cx);
4674                    let buffer = multibuffer.as_singleton();
4675                    if agent_location.buffer.upgrade() == buffer {
4676                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4677                        let anchor = editor::Anchor::in_buffer(
4678                            excerpt_id.unwrap(),
4679                            buffer.unwrap().read(cx).remote_id(),
4680                            agent_location.position,
4681                        );
4682                        editor.change_selections(Default::default(), window, cx, |selections| {
4683                            selections.select_anchor_ranges([anchor..anchor]);
4684                        })
4685                    } else {
4686                        let row = tool_call_location.line.unwrap_or_default();
4687                        editor.change_selections(Default::default(), window, cx, |selections| {
4688                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4689                        })
4690                    }
4691                })?;
4692
4693                anyhow::Ok(())
4694            })
4695            .detach_and_log_err(cx);
4696
4697        None
4698    }
4699
4700    pub fn open_thread_as_markdown(
4701        &self,
4702        workspace: Entity<Workspace>,
4703        window: &mut Window,
4704        cx: &mut App,
4705    ) -> Task<Result<()>> {
4706        let markdown_language_task = workspace
4707            .read(cx)
4708            .app_state()
4709            .languages
4710            .language_for_name("Markdown");
4711
4712        let (thread_title, markdown) = if let Some(thread) = self.thread() {
4713            let thread = thread.read(cx);
4714            (thread.title().to_string(), thread.to_markdown(cx))
4715        } else {
4716            return Task::ready(Ok(()));
4717        };
4718
4719        let project = workspace.read(cx).project().clone();
4720        window.spawn(cx, async move |cx| {
4721            let markdown_language = markdown_language_task.await?;
4722
4723            let buffer = project
4724                .update(cx, |project, cx| project.create_buffer(false, cx))?
4725                .await?;
4726
4727            buffer.update(cx, |buffer, cx| {
4728                buffer.set_text(markdown, cx);
4729                buffer.set_language(Some(markdown_language), cx);
4730                buffer.set_capability(language::Capability::ReadOnly, cx);
4731            })?;
4732
4733            workspace.update_in(cx, |workspace, window, cx| {
4734                let buffer = cx
4735                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
4736
4737                workspace.add_item_to_active_pane(
4738                    Box::new(cx.new(|cx| {
4739                        let mut editor =
4740                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4741                        editor.set_breadcrumb_header(thread_title);
4742                        editor
4743                    })),
4744                    None,
4745                    true,
4746                    window,
4747                    cx,
4748                );
4749            })?;
4750            anyhow::Ok(())
4751        })
4752    }
4753
4754    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4755        self.list_state.scroll_to(ListOffset::default());
4756        cx.notify();
4757    }
4758
4759    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4760        if let Some(thread) = self.thread() {
4761            let entry_count = thread.read(cx).entries().len();
4762            self.list_state.reset(entry_count);
4763            cx.notify();
4764        }
4765    }
4766
4767    fn notify_with_sound(
4768        &mut self,
4769        caption: impl Into<SharedString>,
4770        icon: IconName,
4771        window: &mut Window,
4772        cx: &mut Context<Self>,
4773    ) {
4774        self.play_notification_sound(window, cx);
4775        self.show_notification(caption, icon, window, cx);
4776    }
4777
4778    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4779        let settings = AgentSettings::get_global(cx);
4780        if settings.play_sound_when_agent_done && !window.is_window_active() {
4781            Audio::play_sound(Sound::AgentDone, cx);
4782        }
4783    }
4784
4785    fn show_notification(
4786        &mut self,
4787        caption: impl Into<SharedString>,
4788        icon: IconName,
4789        window: &mut Window,
4790        cx: &mut Context<Self>,
4791    ) {
4792        if !self.notifications.is_empty() {
4793            return;
4794        }
4795
4796        let settings = AgentSettings::get_global(cx);
4797
4798        let window_is_inactive = !window.is_window_active();
4799        let panel_is_hidden = self
4800            .workspace
4801            .upgrade()
4802            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
4803            .unwrap_or(true);
4804
4805        let should_notify = window_is_inactive || panel_is_hidden;
4806
4807        if !should_notify {
4808            return;
4809        }
4810
4811        // TODO: Change this once we have title summarization for external agents.
4812        let title = self.agent.name();
4813
4814        match settings.notify_when_agent_waiting {
4815            NotifyWhenAgentWaiting::PrimaryScreen => {
4816                if let Some(primary) = cx.primary_display() {
4817                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4818                }
4819            }
4820            NotifyWhenAgentWaiting::AllScreens => {
4821                let caption = caption.into();
4822                for screen in cx.displays() {
4823                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4824                }
4825            }
4826            NotifyWhenAgentWaiting::Never => {
4827                // Don't show anything
4828            }
4829        }
4830    }
4831
4832    fn pop_up(
4833        &mut self,
4834        icon: IconName,
4835        caption: SharedString,
4836        title: SharedString,
4837        window: &mut Window,
4838        screen: Rc<dyn PlatformDisplay>,
4839        cx: &mut Context<Self>,
4840    ) {
4841        let options = AgentNotification::window_options(screen, cx);
4842
4843        let project_name = self.workspace.upgrade().and_then(|workspace| {
4844            workspace
4845                .read(cx)
4846                .project()
4847                .read(cx)
4848                .visible_worktrees(cx)
4849                .next()
4850                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4851        });
4852
4853        if let Some(screen_window) = cx
4854            .open_window(options, |_, cx| {
4855                cx.new(|_| {
4856                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4857                })
4858            })
4859            .log_err()
4860            && let Some(pop_up) = screen_window.entity(cx).log_err()
4861        {
4862            self.notification_subscriptions
4863                .entry(screen_window)
4864                .or_insert_with(Vec::new)
4865                .push(cx.subscribe_in(&pop_up, window, {
4866                    |this, _, event, window, cx| match event {
4867                        AgentNotificationEvent::Accepted => {
4868                            let handle = window.window_handle();
4869                            cx.activate(true);
4870
4871                            let workspace_handle = this.workspace.clone();
4872
4873                            // If there are multiple Zed windows, activate the correct one.
4874                            cx.defer(move |cx| {
4875                                handle
4876                                    .update(cx, |_view, window, _cx| {
4877                                        window.activate_window();
4878
4879                                        if let Some(workspace) = workspace_handle.upgrade() {
4880                                            workspace.update(_cx, |workspace, cx| {
4881                                                workspace.focus_panel::<AgentPanel>(window, cx);
4882                                            });
4883                                        }
4884                                    })
4885                                    .log_err();
4886                            });
4887
4888                            this.dismiss_notifications(cx);
4889                        }
4890                        AgentNotificationEvent::Dismissed => {
4891                            this.dismiss_notifications(cx);
4892                        }
4893                    }
4894                }));
4895
4896            self.notifications.push(screen_window);
4897
4898            // If the user manually refocuses the original window, dismiss the popup.
4899            self.notification_subscriptions
4900                .entry(screen_window)
4901                .or_insert_with(Vec::new)
4902                .push({
4903                    let pop_up_weak = pop_up.downgrade();
4904
4905                    cx.observe_window_activation(window, move |_, window, cx| {
4906                        if window.is_window_active()
4907                            && let Some(pop_up) = pop_up_weak.upgrade()
4908                        {
4909                            pop_up.update(cx, |_, cx| {
4910                                cx.emit(AgentNotificationEvent::Dismissed);
4911                            });
4912                        }
4913                    })
4914                });
4915        }
4916    }
4917
4918    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4919        for window in self.notifications.drain(..) {
4920            window
4921                .update(cx, |_, window, _| {
4922                    window.remove_window();
4923                })
4924                .ok();
4925
4926            self.notification_subscriptions.remove(&window);
4927        }
4928    }
4929
4930    fn render_generating(&self, confirmation: bool) -> impl IntoElement {
4931        h_flex()
4932            .id("generating-spinner")
4933            .py_2()
4934            .px(rems_from_px(22.))
4935            .map(|this| {
4936                if confirmation {
4937                    this.gap_2()
4938                        .child(
4939                            h_flex()
4940                                .w_2()
4941                                .child(SpinnerLabel::sand().size(LabelSize::Small)),
4942                        )
4943                        .child(
4944                            LoadingLabel::new("Waiting Confirmation")
4945                                .size(LabelSize::Small)
4946                                .color(Color::Muted),
4947                        )
4948                } else {
4949                    this.child(SpinnerLabel::new().size(LabelSize::Small))
4950                }
4951            })
4952            .into_any_element()
4953    }
4954
4955    fn render_thread_controls(
4956        &self,
4957        thread: &Entity<AcpThread>,
4958        cx: &Context<Self>,
4959    ) -> impl IntoElement {
4960        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4961        if is_generating {
4962            return self.render_generating(false).into_any_element();
4963        }
4964
4965        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4966            .shape(ui::IconButtonShape::Square)
4967            .icon_size(IconSize::Small)
4968            .icon_color(Color::Ignored)
4969            .tooltip(Tooltip::text("Open Thread as Markdown"))
4970            .on_click(cx.listener(move |this, _, window, cx| {
4971                if let Some(workspace) = this.workspace.upgrade() {
4972                    this.open_thread_as_markdown(workspace, window, cx)
4973                        .detach_and_log_err(cx);
4974                }
4975            }));
4976
4977        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4978            .shape(ui::IconButtonShape::Square)
4979            .icon_size(IconSize::Small)
4980            .icon_color(Color::Ignored)
4981            .tooltip(Tooltip::text("Scroll To Top"))
4982            .on_click(cx.listener(move |this, _, _, cx| {
4983                this.scroll_to_top(cx);
4984            }));
4985
4986        let mut container = h_flex()
4987            .id("thread-controls-container")
4988            .group("thread-controls-container")
4989            .w_full()
4990            .py_2()
4991            .px_5()
4992            .gap_px()
4993            .opacity(0.6)
4994            .hover(|style| style.opacity(1.))
4995            .flex_wrap()
4996            .justify_end();
4997
4998        if AgentSettings::get_global(cx).enable_feedback
4999            && self
5000                .thread()
5001                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
5002        {
5003            let feedback = self.thread_feedback.feedback;
5004
5005            container = container
5006                .child(
5007                    div().visible_on_hover("thread-controls-container").child(
5008                        Label::new(match feedback {
5009                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
5010                            Some(ThreadFeedback::Negative) => {
5011                                "We appreciate your feedback and will use it to improve."
5012                            }
5013                            None => {
5014                                "Rating the thread sends all of your current conversation to the Zed team."
5015                            }
5016                        })
5017                        .color(Color::Muted)
5018                        .size(LabelSize::XSmall)
5019                        .truncate(),
5020                    ),
5021                )
5022                .child(
5023                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
5024                        .shape(ui::IconButtonShape::Square)
5025                        .icon_size(IconSize::Small)
5026                        .icon_color(match feedback {
5027                            Some(ThreadFeedback::Positive) => Color::Accent,
5028                            _ => Color::Ignored,
5029                        })
5030                        .tooltip(Tooltip::text("Helpful Response"))
5031                        .on_click(cx.listener(move |this, _, window, cx| {
5032                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
5033                        })),
5034                )
5035                .child(
5036                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
5037                        .shape(ui::IconButtonShape::Square)
5038                        .icon_size(IconSize::Small)
5039                        .icon_color(match feedback {
5040                            Some(ThreadFeedback::Negative) => Color::Accent,
5041                            _ => Color::Ignored,
5042                        })
5043                        .tooltip(Tooltip::text("Not Helpful"))
5044                        .on_click(cx.listener(move |this, _, window, cx| {
5045                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
5046                        })),
5047                );
5048        }
5049
5050        container
5051            .child(open_as_markdown)
5052            .child(scroll_to_top)
5053            .into_any_element()
5054    }
5055
5056    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
5057        h_flex()
5058            .key_context("AgentFeedbackMessageEditor")
5059            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
5060                this.thread_feedback.dismiss_comments();
5061                cx.notify();
5062            }))
5063            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
5064                this.submit_feedback_message(cx);
5065            }))
5066            .p_2()
5067            .mb_2()
5068            .mx_5()
5069            .gap_1()
5070            .rounded_md()
5071            .border_1()
5072            .border_color(cx.theme().colors().border)
5073            .bg(cx.theme().colors().editor_background)
5074            .child(div().w_full().child(editor))
5075            .child(
5076                h_flex()
5077                    .child(
5078                        IconButton::new("dismiss-feedback-message", IconName::Close)
5079                            .icon_color(Color::Error)
5080                            .icon_size(IconSize::XSmall)
5081                            .shape(ui::IconButtonShape::Square)
5082                            .on_click(cx.listener(move |this, _, _window, cx| {
5083                                this.thread_feedback.dismiss_comments();
5084                                cx.notify();
5085                            })),
5086                    )
5087                    .child(
5088                        IconButton::new("submit-feedback-message", IconName::Return)
5089                            .icon_size(IconSize::XSmall)
5090                            .shape(ui::IconButtonShape::Square)
5091                            .on_click(cx.listener(move |this, _, _window, cx| {
5092                                this.submit_feedback_message(cx);
5093                            })),
5094                    ),
5095            )
5096    }
5097
5098    fn handle_feedback_click(
5099        &mut self,
5100        feedback: ThreadFeedback,
5101        window: &mut Window,
5102        cx: &mut Context<Self>,
5103    ) {
5104        let Some(thread) = self.thread().cloned() else {
5105            return;
5106        };
5107
5108        self.thread_feedback.submit(thread, feedback, window, cx);
5109        cx.notify();
5110    }
5111
5112    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
5113        let Some(thread) = self.thread().cloned() else {
5114            return;
5115        };
5116
5117        self.thread_feedback.submit_comments(thread, cx);
5118        cx.notify();
5119    }
5120
5121    fn render_token_limit_callout(
5122        &self,
5123        line_height: Pixels,
5124        cx: &mut Context<Self>,
5125    ) -> Option<Callout> {
5126        let token_usage = self.thread()?.read(cx).token_usage()?;
5127        let ratio = token_usage.ratio();
5128
5129        let (severity, title) = match ratio {
5130            acp_thread::TokenUsageRatio::Normal => return None,
5131            acp_thread::TokenUsageRatio::Warning => {
5132                (Severity::Warning, "Thread reaching the token limit soon")
5133            }
5134            acp_thread::TokenUsageRatio::Exceeded => {
5135                (Severity::Error, "Thread reached the token limit")
5136            }
5137        };
5138
5139        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
5140            thread.read(cx).completion_mode() == CompletionMode::Normal
5141                && thread
5142                    .read(cx)
5143                    .model()
5144                    .is_some_and(|model| model.supports_burn_mode())
5145        });
5146
5147        let description = if burn_mode_available {
5148            "To continue, start a new thread from a summary or turn Burn Mode on."
5149        } else {
5150            "To continue, start a new thread from a summary."
5151        };
5152
5153        Some(
5154            Callout::new()
5155                .severity(severity)
5156                .line_height(line_height)
5157                .title(title)
5158                .description(description)
5159                .actions_slot(
5160                    h_flex()
5161                        .gap_0p5()
5162                        .child(
5163                            Button::new("start-new-thread", "Start New Thread")
5164                                .label_size(LabelSize::Small)
5165                                .on_click(cx.listener(|this, _, window, cx| {
5166                                    let Some(thread) = this.thread() else {
5167                                        return;
5168                                    };
5169                                    let session_id = thread.read(cx).session_id().clone();
5170                                    window.dispatch_action(
5171                                        crate::NewNativeAgentThreadFromSummary {
5172                                            from_session_id: session_id,
5173                                        }
5174                                        .boxed_clone(),
5175                                        cx,
5176                                    );
5177                                })),
5178                        )
5179                        .when(burn_mode_available, |this| {
5180                            this.child(
5181                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
5182                                    .icon_size(IconSize::XSmall)
5183                                    .on_click(cx.listener(|this, _event, window, cx| {
5184                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5185                                    })),
5186                            )
5187                        }),
5188                ),
5189        )
5190    }
5191
5192    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
5193        if !self.is_using_zed_ai_models(cx) {
5194            return None;
5195        }
5196
5197        let user_store = self.project.read(cx).user_store().read(cx);
5198        if user_store.is_usage_based_billing_enabled() {
5199            return None;
5200        }
5201
5202        let plan = user_store
5203            .plan()
5204            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
5205
5206        let usage = user_store.model_request_usage()?;
5207
5208        Some(
5209            div()
5210                .child(UsageCallout::new(plan, usage))
5211                .line_height(line_height),
5212        )
5213    }
5214
5215    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
5216        self.entry_view_state.update(cx, |entry_view_state, cx| {
5217            entry_view_state.agent_ui_font_size_changed(cx);
5218        });
5219    }
5220
5221    pub(crate) fn insert_dragged_files(
5222        &self,
5223        paths: Vec<project::ProjectPath>,
5224        added_worktrees: Vec<Entity<project::Worktree>>,
5225        window: &mut Window,
5226        cx: &mut Context<Self>,
5227    ) {
5228        self.message_editor.update(cx, |message_editor, cx| {
5229            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
5230        })
5231    }
5232
5233    /// Inserts the selected text into the message editor or the message being
5234    /// edited, if any.
5235    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
5236        self.active_editor(cx).update(cx, |editor, cx| {
5237            editor.insert_selections(window, cx);
5238        });
5239    }
5240
5241    fn render_thread_retry_status_callout(
5242        &self,
5243        _window: &mut Window,
5244        _cx: &mut Context<Self>,
5245    ) -> Option<Callout> {
5246        let state = self.thread_retry_status.as_ref()?;
5247
5248        let next_attempt_in = state
5249            .duration
5250            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
5251        if next_attempt_in.is_zero() {
5252            return None;
5253        }
5254
5255        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
5256
5257        let retry_message = if state.max_attempts == 1 {
5258            if next_attempt_in_secs == 1 {
5259                "Retrying. Next attempt in 1 second.".to_string()
5260            } else {
5261                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5262            }
5263        } else if next_attempt_in_secs == 1 {
5264            format!(
5265                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5266                state.attempt, state.max_attempts,
5267            )
5268        } else {
5269            format!(
5270                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5271                state.attempt, state.max_attempts,
5272            )
5273        };
5274
5275        Some(
5276            Callout::new()
5277                .severity(Severity::Warning)
5278                .title(state.last_error.clone())
5279                .description(retry_message),
5280        )
5281    }
5282
5283    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Option<Callout> {
5284        if self.show_codex_windows_warning {
5285            Some(
5286                Callout::new()
5287                    .icon(IconName::Warning)
5288                    .severity(Severity::Warning)
5289                    .title("Codex on Windows")
5290                    .description(
5291                        "For best performance, run Codex in Windows Subsystem for Linux (WSL2)",
5292                    )
5293                    .actions_slot(
5294                        Button::new("open-wsl-modal", "Open in WSL")
5295                            .icon_size(IconSize::Small)
5296                            .icon_color(Color::Muted)
5297                            .on_click(cx.listener({
5298                                move |_, _, _window, cx| {
5299                                    #[cfg(windows)]
5300                                    _window.dispatch_action(
5301                                        zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
5302                                        cx,
5303                                    );
5304                                    cx.notify();
5305                                }
5306                            })),
5307                    )
5308                    .dismiss_action(
5309                        IconButton::new("dismiss", IconName::Close)
5310                            .icon_size(IconSize::Small)
5311                            .icon_color(Color::Muted)
5312                            .tooltip(Tooltip::text("Dismiss Warning"))
5313                            .on_click(cx.listener({
5314                                move |this, _, _, cx| {
5315                                    this.show_codex_windows_warning = false;
5316                                    cx.notify();
5317                                }
5318                            })),
5319                    ),
5320            )
5321        } else {
5322            None
5323        }
5324    }
5325
5326    fn render_thread_error(&self, cx: &mut Context<Self>) -> Option<Div> {
5327        let content = match self.thread_error.as_ref()? {
5328            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
5329            ThreadError::Refusal => self.render_refusal_error(cx),
5330            ThreadError::AuthenticationRequired(error) => {
5331                self.render_authentication_required_error(error.clone(), cx)
5332            }
5333            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5334            ThreadError::ModelRequestLimitReached(plan) => {
5335                self.render_model_request_limit_reached_error(*plan, cx)
5336            }
5337            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
5338        };
5339
5340        Some(div().child(content))
5341    }
5342
5343    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5344        v_flex().w_full().justify_end().child(
5345            h_flex()
5346                .p_2()
5347                .pr_3()
5348                .w_full()
5349                .gap_1p5()
5350                .border_t_1()
5351                .border_color(cx.theme().colors().border)
5352                .bg(cx.theme().colors().element_background)
5353                .child(
5354                    h_flex()
5355                        .flex_1()
5356                        .gap_1p5()
5357                        .child(
5358                            Icon::new(IconName::Download)
5359                                .color(Color::Accent)
5360                                .size(IconSize::Small),
5361                        )
5362                        .child(Label::new("New version available").size(LabelSize::Small)),
5363                )
5364                .child(
5365                    Button::new("update-button", format!("Update to v{}", version))
5366                        .label_size(LabelSize::Small)
5367                        .style(ButtonStyle::Tinted(TintColor::Accent))
5368                        .on_click(cx.listener(|this, _, window, cx| {
5369                            this.reset(window, cx);
5370                        })),
5371                ),
5372        )
5373    }
5374
5375    fn current_model_id(&self, cx: &App) -> Option<String> {
5376        self.model_selector
5377            .as_ref()
5378            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
5379    }
5380
5381    fn current_model_name(&self, cx: &App) -> SharedString {
5382        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5383        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5384        // This provides better clarity about what refused the request
5385        if self.as_native_connection(cx).is_some() {
5386            self.model_selector
5387                .as_ref()
5388                .and_then(|selector| selector.read(cx).active_model(cx))
5389                .map(|model| model.name.clone())
5390                .unwrap_or_else(|| SharedString::from("The model"))
5391        } else {
5392            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5393            self.agent.name()
5394        }
5395    }
5396
5397    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5398        let model_or_agent_name = self.current_model_name(cx);
5399        let refusal_message = format!(
5400            "{} 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.",
5401            model_or_agent_name
5402        );
5403
5404        Callout::new()
5405            .severity(Severity::Error)
5406            .title("Request Refused")
5407            .icon(IconName::XCircle)
5408            .description(refusal_message.clone())
5409            .actions_slot(self.create_copy_button(&refusal_message))
5410            .dismiss_action(self.dismiss_error_button(cx))
5411    }
5412
5413    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
5414        let can_resume = self
5415            .thread()
5416            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5417
5418        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5419            let thread = thread.read(cx);
5420            let supports_burn_mode = thread
5421                .model()
5422                .map_or(false, |model| model.supports_burn_mode());
5423            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5424        });
5425
5426        Callout::new()
5427            .severity(Severity::Error)
5428            .title("Error")
5429            .icon(IconName::XCircle)
5430            .description(error.clone())
5431            .actions_slot(
5432                h_flex()
5433                    .gap_0p5()
5434                    .when(can_resume && can_enable_burn_mode, |this| {
5435                        this.child(
5436                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5437                                .icon(IconName::ZedBurnMode)
5438                                .icon_position(IconPosition::Start)
5439                                .icon_size(IconSize::Small)
5440                                .label_size(LabelSize::Small)
5441                                .on_click(cx.listener(|this, _, window, cx| {
5442                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5443                                    this.resume_chat(cx);
5444                                })),
5445                        )
5446                    })
5447                    .when(can_resume, |this| {
5448                        this.child(
5449                            Button::new("retry", "Retry")
5450                                .icon(IconName::RotateCw)
5451                                .icon_position(IconPosition::Start)
5452                                .icon_size(IconSize::Small)
5453                                .label_size(LabelSize::Small)
5454                                .on_click(cx.listener(|this, _, _window, cx| {
5455                                    this.resume_chat(cx);
5456                                })),
5457                        )
5458                    })
5459                    .child(self.create_copy_button(error.to_string())),
5460            )
5461            .dismiss_action(self.dismiss_error_button(cx))
5462    }
5463
5464    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5465        const ERROR_MESSAGE: &str =
5466            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5467
5468        Callout::new()
5469            .severity(Severity::Error)
5470            .icon(IconName::XCircle)
5471            .title("Free Usage Exceeded")
5472            .description(ERROR_MESSAGE)
5473            .actions_slot(
5474                h_flex()
5475                    .gap_0p5()
5476                    .child(self.upgrade_button(cx))
5477                    .child(self.create_copy_button(ERROR_MESSAGE)),
5478            )
5479            .dismiss_action(self.dismiss_error_button(cx))
5480    }
5481
5482    fn render_authentication_required_error(
5483        &self,
5484        error: SharedString,
5485        cx: &mut Context<Self>,
5486    ) -> Callout {
5487        Callout::new()
5488            .severity(Severity::Error)
5489            .title("Authentication Required")
5490            .icon(IconName::XCircle)
5491            .description(error.clone())
5492            .actions_slot(
5493                h_flex()
5494                    .gap_0p5()
5495                    .child(self.authenticate_button(cx))
5496                    .child(self.create_copy_button(error)),
5497            )
5498            .dismiss_action(self.dismiss_error_button(cx))
5499    }
5500
5501    fn render_model_request_limit_reached_error(
5502        &self,
5503        plan: cloud_llm_client::Plan,
5504        cx: &mut Context<Self>,
5505    ) -> Callout {
5506        let error_message = match plan {
5507            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5508                "Upgrade to usage-based billing for more prompts."
5509            }
5510            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5511            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5512            cloud_llm_client::Plan::V2(_) => "",
5513        };
5514
5515        Callout::new()
5516            .severity(Severity::Error)
5517            .title("Model Prompt Limit Reached")
5518            .icon(IconName::XCircle)
5519            .description(error_message)
5520            .actions_slot(
5521                h_flex()
5522                    .gap_0p5()
5523                    .child(self.upgrade_button(cx))
5524                    .child(self.create_copy_button(error_message)),
5525            )
5526            .dismiss_action(self.dismiss_error_button(cx))
5527    }
5528
5529    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
5530        let thread = self.as_native_thread(cx)?;
5531        let supports_burn_mode = thread
5532            .read(cx)
5533            .model()
5534            .is_some_and(|model| model.supports_burn_mode());
5535
5536        let focus_handle = self.focus_handle(cx);
5537
5538        Some(
5539            Callout::new()
5540                .icon(IconName::Info)
5541                .title("Consecutive tool use limit reached.")
5542                .actions_slot(
5543                    h_flex()
5544                        .gap_0p5()
5545                        .when(supports_burn_mode, |this| {
5546                            this.child(
5547                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5548                                    .style(ButtonStyle::Filled)
5549                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5550                                    .layer(ElevationIndex::ModalSurface)
5551                                    .label_size(LabelSize::Small)
5552                                    .key_binding(
5553                                        KeyBinding::for_action_in(
5554                                            &ContinueWithBurnMode,
5555                                            &focus_handle,
5556                                            cx,
5557                                        )
5558                                        .map(|kb| kb.size(rems_from_px(10.))),
5559                                    )
5560                                    .tooltip(Tooltip::text(
5561                                        "Enable Burn Mode for unlimited tool use.",
5562                                    ))
5563                                    .on_click({
5564                                        cx.listener(move |this, _, _window, cx| {
5565                                            thread.update(cx, |thread, cx| {
5566                                                thread
5567                                                    .set_completion_mode(CompletionMode::Burn, cx);
5568                                            });
5569                                            this.resume_chat(cx);
5570                                        })
5571                                    }),
5572                            )
5573                        })
5574                        .child(
5575                            Button::new("continue-conversation", "Continue")
5576                                .layer(ElevationIndex::ModalSurface)
5577                                .label_size(LabelSize::Small)
5578                                .key_binding(
5579                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
5580                                        .map(|kb| kb.size(rems_from_px(10.))),
5581                                )
5582                                .on_click(cx.listener(|this, _, _window, cx| {
5583                                    this.resume_chat(cx);
5584                                })),
5585                        ),
5586                ),
5587        )
5588    }
5589
5590    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5591        let message = message.into();
5592
5593        IconButton::new("copy", IconName::Copy)
5594            .icon_size(IconSize::Small)
5595            .icon_color(Color::Muted)
5596            .tooltip(Tooltip::text("Copy Error Message"))
5597            .on_click(move |_, _, cx| {
5598                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5599            })
5600    }
5601
5602    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5603        IconButton::new("dismiss", IconName::Close)
5604            .icon_size(IconSize::Small)
5605            .icon_color(Color::Muted)
5606            .tooltip(Tooltip::text("Dismiss Error"))
5607            .on_click(cx.listener({
5608                move |this, _, _, cx| {
5609                    this.clear_thread_error(cx);
5610                    cx.notify();
5611                }
5612            }))
5613    }
5614
5615    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5616        Button::new("authenticate", "Authenticate")
5617            .label_size(LabelSize::Small)
5618            .style(ButtonStyle::Filled)
5619            .on_click(cx.listener({
5620                move |this, _, window, cx| {
5621                    let agent = this.agent.clone();
5622                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5623                        return;
5624                    };
5625
5626                    let connection = thread.read(cx).connection().clone();
5627                    let err = AuthRequired {
5628                        description: None,
5629                        provider_id: None,
5630                    };
5631                    this.clear_thread_error(cx);
5632                    let this = cx.weak_entity();
5633                    window.defer(cx, |window, cx| {
5634                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5635                    })
5636                }
5637            }))
5638    }
5639
5640    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5641        let agent = self.agent.clone();
5642        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5643            return;
5644        };
5645
5646        let connection = thread.read(cx).connection().clone();
5647        let err = AuthRequired {
5648            description: None,
5649            provider_id: None,
5650        };
5651        self.clear_thread_error(cx);
5652        let this = cx.weak_entity();
5653        window.defer(cx, |window, cx| {
5654            Self::handle_auth_required(this, err, agent, connection, window, cx);
5655        })
5656    }
5657
5658    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5659        Button::new("upgrade", "Upgrade")
5660            .label_size(LabelSize::Small)
5661            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5662            .on_click(cx.listener({
5663                move |this, _, _, cx| {
5664                    this.clear_thread_error(cx);
5665                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5666                }
5667            }))
5668    }
5669
5670    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5671        let task = match entry {
5672            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5673                history.delete_thread(thread.id.clone(), cx)
5674            }),
5675            HistoryEntry::TextThread(text_thread) => {
5676                self.history_store.update(cx, |history, cx| {
5677                    history.delete_text_thread(text_thread.path.clone(), cx)
5678                })
5679            }
5680        };
5681        task.detach_and_log_err(cx);
5682    }
5683
5684    /// Returns the currently active editor, either for a message that is being
5685    /// edited or the editor for a new message.
5686    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
5687        if let Some(index) = self.editing_message
5688            && let Some(editor) = self
5689                .entry_view_state
5690                .read(cx)
5691                .entry(index)
5692                .and_then(|e| e.message_editor())
5693                .cloned()
5694        {
5695            editor
5696        } else {
5697            self.message_editor.clone()
5698        }
5699    }
5700}
5701
5702fn loading_contents_spinner(size: IconSize) -> AnyElement {
5703    Icon::new(IconName::LoadCircle)
5704        .size(size)
5705        .color(Color::Accent)
5706        .with_rotate_animation(3)
5707        .into_any_element()
5708}
5709
5710impl Focusable for AcpThreadView {
5711    fn focus_handle(&self, cx: &App) -> FocusHandle {
5712        match self.thread_state {
5713            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5714                self.active_editor(cx).focus_handle(cx)
5715            }
5716            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5717                self.focus_handle.clone()
5718            }
5719        }
5720    }
5721}
5722
5723impl Render for AcpThreadView {
5724    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5725        let has_messages = self.list_state.item_count() > 0;
5726        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5727
5728        v_flex()
5729            .size_full()
5730            .key_context("AcpThread")
5731            .on_action(cx.listener(Self::toggle_burn_mode))
5732            .on_action(cx.listener(Self::keep_all))
5733            .on_action(cx.listener(Self::reject_all))
5734            .on_action(cx.listener(Self::allow_always))
5735            .on_action(cx.listener(Self::allow_once))
5736            .on_action(cx.listener(Self::reject_once))
5737            .track_focus(&self.focus_handle)
5738            .bg(cx.theme().colors().panel_background)
5739            .child(match &self.thread_state {
5740                ThreadState::Unauthenticated {
5741                    connection,
5742                    description,
5743                    configuration_view,
5744                    pending_auth_method,
5745                    ..
5746                } => self
5747                    .render_auth_required_state(
5748                        connection,
5749                        description.as_ref(),
5750                        configuration_view.as_ref(),
5751                        pending_auth_method.as_ref(),
5752                        window,
5753                        cx,
5754                    )
5755                    .into_any(),
5756                ThreadState::Loading { .. } => v_flex()
5757                    .flex_1()
5758                    .child(self.render_recent_history(cx))
5759                    .into_any(),
5760                ThreadState::LoadError(e) => v_flex()
5761                    .flex_1()
5762                    .size_full()
5763                    .items_center()
5764                    .justify_end()
5765                    .child(self.render_load_error(e, window, cx))
5766                    .into_any(),
5767                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5768                    if has_messages {
5769                        this.child(
5770                            list(
5771                                self.list_state.clone(),
5772                                cx.processor(|this, index: usize, window, cx| {
5773                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5774                                        let entries = &thread.read(cx).entries();
5775                                        Some((entries.get(index)?, entries.len()))
5776                                    }) else {
5777                                        return Empty.into_any();
5778                                    };
5779                                    this.render_entry(index, len, entry, window, cx)
5780                                }),
5781                            )
5782                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5783                            .flex_grow()
5784                            .into_any(),
5785                        )
5786                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5787                        .into_any()
5788                    } else {
5789                        this.child(self.render_recent_history(cx)).into_any()
5790                    }
5791                }),
5792            })
5793            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5794            // above so that the scrollbar doesn't render behind it. The current setup allows
5795            // the scrollbar to stop exactly at the activity bar start.
5796            .when(has_messages, |this| match &self.thread_state {
5797                ThreadState::Ready { thread, .. } => {
5798                    this.children(self.render_activity_bar(thread, window, cx))
5799                }
5800                _ => this,
5801            })
5802            .children(self.render_thread_retry_status_callout(window, cx))
5803            .children({
5804                if cfg!(windows) && self.project.read(cx).is_local() {
5805                    self.render_codex_windows_warning(cx)
5806                } else {
5807                    None
5808                }
5809            })
5810            .children(self.render_thread_error(cx))
5811            .when_some(
5812                self.new_server_version_available.as_ref().filter(|_| {
5813                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5814                }),
5815                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5816            )
5817            .children(
5818                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5819                    Some(usage_callout.into_any_element())
5820                } else {
5821                    self.render_token_limit_callout(line_height, cx)
5822                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5823                },
5824            )
5825            .child(self.render_message_editor(window, cx))
5826    }
5827}
5828
5829fn default_markdown_style(
5830    buffer_font: bool,
5831    muted_text: bool,
5832    window: &Window,
5833    cx: &App,
5834) -> MarkdownStyle {
5835    let theme_settings = ThemeSettings::get_global(cx);
5836    let colors = cx.theme().colors();
5837
5838    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
5839
5840    let mut text_style = window.text_style();
5841    let line_height = buffer_font_size * 1.75;
5842
5843    let font_family = if buffer_font {
5844        theme_settings.buffer_font.family.clone()
5845    } else {
5846        theme_settings.ui_font.family.clone()
5847    };
5848
5849    let font_size = if buffer_font {
5850        theme_settings.agent_buffer_font_size(cx)
5851    } else {
5852        theme_settings.agent_ui_font_size(cx)
5853    };
5854
5855    let text_color = if muted_text {
5856        colors.text_muted
5857    } else {
5858        colors.text
5859    };
5860
5861    text_style.refine(&TextStyleRefinement {
5862        font_family: Some(font_family),
5863        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5864        font_features: Some(theme_settings.ui_font.features.clone()),
5865        font_size: Some(font_size.into()),
5866        line_height: Some(line_height.into()),
5867        color: Some(text_color),
5868        ..Default::default()
5869    });
5870
5871    MarkdownStyle {
5872        base_text_style: text_style.clone(),
5873        syntax: cx.theme().syntax().clone(),
5874        selection_background_color: colors.element_selection_background,
5875        code_block_overflow_x_scroll: true,
5876        table_overflow_x_scroll: true,
5877        heading_level_styles: Some(HeadingLevelStyles {
5878            h1: Some(TextStyleRefinement {
5879                font_size: Some(rems(1.15).into()),
5880                ..Default::default()
5881            }),
5882            h2: Some(TextStyleRefinement {
5883                font_size: Some(rems(1.1).into()),
5884                ..Default::default()
5885            }),
5886            h3: Some(TextStyleRefinement {
5887                font_size: Some(rems(1.05).into()),
5888                ..Default::default()
5889            }),
5890            h4: Some(TextStyleRefinement {
5891                font_size: Some(rems(1.).into()),
5892                ..Default::default()
5893            }),
5894            h5: Some(TextStyleRefinement {
5895                font_size: Some(rems(0.95).into()),
5896                ..Default::default()
5897            }),
5898            h6: Some(TextStyleRefinement {
5899                font_size: Some(rems(0.875).into()),
5900                ..Default::default()
5901            }),
5902        }),
5903        code_block: StyleRefinement {
5904            padding: EdgesRefinement {
5905                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5906                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5907                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5908                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5909            },
5910            margin: EdgesRefinement {
5911                top: Some(Length::Definite(px(8.).into())),
5912                left: Some(Length::Definite(px(0.).into())),
5913                right: Some(Length::Definite(px(0.).into())),
5914                bottom: Some(Length::Definite(px(12.).into())),
5915            },
5916            border_style: Some(BorderStyle::Solid),
5917            border_widths: EdgesRefinement {
5918                top: Some(AbsoluteLength::Pixels(px(1.))),
5919                left: Some(AbsoluteLength::Pixels(px(1.))),
5920                right: Some(AbsoluteLength::Pixels(px(1.))),
5921                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5922            },
5923            border_color: Some(colors.border_variant),
5924            background: Some(colors.editor_background.into()),
5925            text: Some(TextStyleRefinement {
5926                font_family: Some(theme_settings.buffer_font.family.clone()),
5927                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5928                font_features: Some(theme_settings.buffer_font.features.clone()),
5929                font_size: Some(buffer_font_size.into()),
5930                ..Default::default()
5931            }),
5932            ..Default::default()
5933        },
5934        inline_code: TextStyleRefinement {
5935            font_family: Some(theme_settings.buffer_font.family.clone()),
5936            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5937            font_features: Some(theme_settings.buffer_font.features.clone()),
5938            font_size: Some(buffer_font_size.into()),
5939            background_color: Some(colors.editor_foreground.opacity(0.08)),
5940            ..Default::default()
5941        },
5942        link: TextStyleRefinement {
5943            background_color: Some(colors.editor_foreground.opacity(0.025)),
5944            underline: Some(UnderlineStyle {
5945                color: Some(colors.text_accent.opacity(0.5)),
5946                thickness: px(1.),
5947                ..Default::default()
5948            }),
5949            ..Default::default()
5950        },
5951        ..Default::default()
5952    }
5953}
5954
5955fn plan_label_markdown_style(
5956    status: &acp::PlanEntryStatus,
5957    window: &Window,
5958    cx: &App,
5959) -> MarkdownStyle {
5960    let default_md_style = default_markdown_style(false, false, window, cx);
5961
5962    MarkdownStyle {
5963        base_text_style: TextStyle {
5964            color: cx.theme().colors().text_muted,
5965            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5966                Some(gpui::StrikethroughStyle {
5967                    thickness: px(1.),
5968                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5969                })
5970            } else {
5971                None
5972            },
5973            ..default_md_style.base_text_style
5974        },
5975        ..default_md_style
5976    }
5977}
5978
5979fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5980    let default_md_style = default_markdown_style(true, false, window, cx);
5981
5982    MarkdownStyle {
5983        base_text_style: TextStyle {
5984            ..default_md_style.base_text_style
5985        },
5986        selection_background_color: cx.theme().colors().element_selection_background,
5987        ..Default::default()
5988    }
5989}
5990
5991#[cfg(test)]
5992pub(crate) mod tests {
5993    use acp_thread::StubAgentConnection;
5994    use agent_client_protocol::SessionId;
5995    use assistant_text_thread::TextThreadStore;
5996    use fs::FakeFs;
5997    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5998    use project::Project;
5999    use serde_json::json;
6000    use settings::SettingsStore;
6001    use std::any::Any;
6002    use std::path::Path;
6003    use workspace::Item;
6004
6005    use super::*;
6006
6007    #[gpui::test]
6008    async fn test_drop(cx: &mut TestAppContext) {
6009        init_test(cx);
6010
6011        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6012        let weak_view = thread_view.downgrade();
6013        drop(thread_view);
6014        assert!(!weak_view.is_upgradable());
6015    }
6016
6017    #[gpui::test]
6018    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
6019        init_test(cx);
6020
6021        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6022
6023        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6024        message_editor.update_in(cx, |editor, window, cx| {
6025            editor.set_text("Hello", window, cx);
6026        });
6027
6028        cx.deactivate_window();
6029
6030        thread_view.update_in(cx, |thread_view, window, cx| {
6031            thread_view.send(window, cx);
6032        });
6033
6034        cx.run_until_parked();
6035
6036        assert!(
6037            cx.windows()
6038                .iter()
6039                .any(|window| window.downcast::<AgentNotification>().is_some())
6040        );
6041    }
6042
6043    #[gpui::test]
6044    async fn test_notification_for_error(cx: &mut TestAppContext) {
6045        init_test(cx);
6046
6047        let (thread_view, cx) =
6048            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
6049
6050        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6051        message_editor.update_in(cx, |editor, window, cx| {
6052            editor.set_text("Hello", window, cx);
6053        });
6054
6055        cx.deactivate_window();
6056
6057        thread_view.update_in(cx, |thread_view, window, cx| {
6058            thread_view.send(window, cx);
6059        });
6060
6061        cx.run_until_parked();
6062
6063        assert!(
6064            cx.windows()
6065                .iter()
6066                .any(|window| window.downcast::<AgentNotification>().is_some())
6067        );
6068    }
6069
6070    #[gpui::test]
6071    async fn test_refusal_handling(cx: &mut TestAppContext) {
6072        init_test(cx);
6073
6074        let (thread_view, cx) =
6075            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
6076
6077        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6078        message_editor.update_in(cx, |editor, window, cx| {
6079            editor.set_text("Do something harmful", window, cx);
6080        });
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        // Check that the refusal error is set
6089        thread_view.read_with(cx, |thread_view, _cx| {
6090            assert!(
6091                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
6092                "Expected refusal error to be set"
6093            );
6094        });
6095    }
6096
6097    #[gpui::test]
6098    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
6099        init_test(cx);
6100
6101        let tool_call_id = acp::ToolCallId("1".into());
6102        let tool_call = acp::ToolCall {
6103            id: tool_call_id.clone(),
6104            title: "Label".into(),
6105            kind: acp::ToolKind::Edit,
6106            status: acp::ToolCallStatus::Pending,
6107            content: vec!["hi".into()],
6108            locations: vec![],
6109            raw_input: None,
6110            raw_output: None,
6111            meta: None,
6112        };
6113        let connection =
6114            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
6115                tool_call_id,
6116                vec![acp::PermissionOption {
6117                    id: acp::PermissionOptionId("1".into()),
6118                    name: "Allow".into(),
6119                    kind: acp::PermissionOptionKind::AllowOnce,
6120                    meta: None,
6121                }],
6122            )]));
6123
6124        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
6125
6126        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6127
6128        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6129        message_editor.update_in(cx, |editor, window, cx| {
6130            editor.set_text("Hello", window, cx);
6131        });
6132
6133        cx.deactivate_window();
6134
6135        thread_view.update_in(cx, |thread_view, window, cx| {
6136            thread_view.send(window, cx);
6137        });
6138
6139        cx.run_until_parked();
6140
6141        assert!(
6142            cx.windows()
6143                .iter()
6144                .any(|window| window.downcast::<AgentNotification>().is_some())
6145        );
6146    }
6147
6148    #[gpui::test]
6149    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
6150        init_test(cx);
6151
6152        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6153
6154        add_to_workspace(thread_view.clone(), cx);
6155
6156        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6157
6158        message_editor.update_in(cx, |editor, window, cx| {
6159            editor.set_text("Hello", window, cx);
6160        });
6161
6162        // Window is active (don't deactivate), but panel will be hidden
6163        // Note: In the test environment, the panel is not actually added to the dock,
6164        // so is_agent_panel_hidden will return true
6165
6166        thread_view.update_in(cx, |thread_view, window, cx| {
6167            thread_view.send(window, cx);
6168        });
6169
6170        cx.run_until_parked();
6171
6172        // Should show notification because window is active but panel is hidden
6173        assert!(
6174            cx.windows()
6175                .iter()
6176                .any(|window| window.downcast::<AgentNotification>().is_some()),
6177            "Expected notification when panel is hidden"
6178        );
6179    }
6180
6181    #[gpui::test]
6182    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
6183        init_test(cx);
6184
6185        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6186
6187        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6188        message_editor.update_in(cx, |editor, window, cx| {
6189            editor.set_text("Hello", window, cx);
6190        });
6191
6192        // Deactivate window - should show notification regardless of setting
6193        cx.deactivate_window();
6194
6195        thread_view.update_in(cx, |thread_view, window, cx| {
6196            thread_view.send(window, cx);
6197        });
6198
6199        cx.run_until_parked();
6200
6201        // Should still show notification when window is inactive (existing behavior)
6202        assert!(
6203            cx.windows()
6204                .iter()
6205                .any(|window| window.downcast::<AgentNotification>().is_some()),
6206            "Expected notification when window is inactive"
6207        );
6208    }
6209
6210    #[gpui::test]
6211    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
6212        init_test(cx);
6213
6214        // Set notify_when_agent_waiting to Never
6215        cx.update(|cx| {
6216            AgentSettings::override_global(
6217                AgentSettings {
6218                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
6219                    ..AgentSettings::get_global(cx).clone()
6220                },
6221                cx,
6222            );
6223        });
6224
6225        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
6226
6227        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6228        message_editor.update_in(cx, |editor, window, cx| {
6229            editor.set_text("Hello", window, cx);
6230        });
6231
6232        // Window is active
6233
6234        thread_view.update_in(cx, |thread_view, window, cx| {
6235            thread_view.send(window, cx);
6236        });
6237
6238        cx.run_until_parked();
6239
6240        // Should NOT show notification because notify_when_agent_waiting is Never
6241        assert!(
6242            !cx.windows()
6243                .iter()
6244                .any(|window| window.downcast::<AgentNotification>().is_some()),
6245            "Expected no notification when notify_when_agent_waiting is Never"
6246        );
6247    }
6248
6249    async fn setup_thread_view(
6250        agent: impl AgentServer + 'static,
6251        cx: &mut TestAppContext,
6252    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
6253        let fs = FakeFs::new(cx.executor());
6254        let project = Project::test(fs, [], cx).await;
6255        let (workspace, cx) =
6256            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6257
6258        let text_thread_store =
6259            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6260        let history_store =
6261            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6262
6263        let thread_view = cx.update(|window, cx| {
6264            cx.new(|cx| {
6265                AcpThreadView::new(
6266                    Rc::new(agent),
6267                    None,
6268                    None,
6269                    workspace.downgrade(),
6270                    project,
6271                    history_store,
6272                    None,
6273                    window,
6274                    cx,
6275                )
6276            })
6277        });
6278        cx.run_until_parked();
6279        (thread_view, cx)
6280    }
6281
6282    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
6283        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
6284
6285        workspace
6286            .update_in(cx, |workspace, window, cx| {
6287                workspace.add_item_to_active_pane(
6288                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
6289                    None,
6290                    true,
6291                    window,
6292                    cx,
6293                );
6294            })
6295            .unwrap();
6296    }
6297
6298    struct ThreadViewItem(Entity<AcpThreadView>);
6299
6300    impl Item for ThreadViewItem {
6301        type Event = ();
6302
6303        fn include_in_nav_history() -> bool {
6304            false
6305        }
6306
6307        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
6308            "Test".into()
6309        }
6310    }
6311
6312    impl EventEmitter<()> for ThreadViewItem {}
6313
6314    impl Focusable for ThreadViewItem {
6315        fn focus_handle(&self, cx: &App) -> FocusHandle {
6316            self.0.read(cx).focus_handle(cx)
6317        }
6318    }
6319
6320    impl Render for ThreadViewItem {
6321        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
6322            self.0.clone().into_any_element()
6323        }
6324    }
6325
6326    struct StubAgentServer<C> {
6327        connection: C,
6328    }
6329
6330    impl<C> StubAgentServer<C> {
6331        fn new(connection: C) -> Self {
6332            Self { connection }
6333        }
6334    }
6335
6336    impl StubAgentServer<StubAgentConnection> {
6337        fn default_response() -> Self {
6338            let conn = StubAgentConnection::new();
6339            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6340                acp::ContentChunk {
6341                    content: "Default response".into(),
6342                    meta: None,
6343                },
6344            )]);
6345            Self::new(conn)
6346        }
6347    }
6348
6349    impl<C> AgentServer for StubAgentServer<C>
6350    where
6351        C: 'static + AgentConnection + Send + Clone,
6352    {
6353        fn telemetry_id(&self) -> &'static str {
6354            "test"
6355        }
6356
6357        fn logo(&self) -> ui::IconName {
6358            ui::IconName::Ai
6359        }
6360
6361        fn name(&self) -> SharedString {
6362            "Test".into()
6363        }
6364
6365        fn connect(
6366            &self,
6367            _root_dir: Option<&Path>,
6368            _delegate: AgentServerDelegate,
6369            _cx: &mut App,
6370        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
6371            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
6372        }
6373
6374        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6375            self
6376        }
6377    }
6378
6379    #[derive(Clone)]
6380    struct SaboteurAgentConnection;
6381
6382    impl AgentConnection for SaboteurAgentConnection {
6383        fn telemetry_id(&self) -> &'static str {
6384            "saboteur"
6385        }
6386
6387        fn new_thread(
6388            self: Rc<Self>,
6389            project: Entity<Project>,
6390            _cwd: &Path,
6391            cx: &mut gpui::App,
6392        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6393            Task::ready(Ok(cx.new(|cx| {
6394                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6395                AcpThread::new(
6396                    "SaboteurAgentConnection",
6397                    self,
6398                    project,
6399                    action_log,
6400                    SessionId("test".into()),
6401                    watch::Receiver::constant(acp::PromptCapabilities {
6402                        image: true,
6403                        audio: true,
6404                        embedded_context: true,
6405                        meta: None,
6406                    }),
6407                    cx,
6408                )
6409            })))
6410        }
6411
6412        fn auth_methods(&self) -> &[acp::AuthMethod] {
6413            &[]
6414        }
6415
6416        fn authenticate(
6417            &self,
6418            _method_id: acp::AuthMethodId,
6419            _cx: &mut App,
6420        ) -> Task<gpui::Result<()>> {
6421            unimplemented!()
6422        }
6423
6424        fn prompt(
6425            &self,
6426            _id: Option<acp_thread::UserMessageId>,
6427            _params: acp::PromptRequest,
6428            _cx: &mut App,
6429        ) -> Task<gpui::Result<acp::PromptResponse>> {
6430            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6431        }
6432
6433        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6434            unimplemented!()
6435        }
6436
6437        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6438            self
6439        }
6440    }
6441
6442    /// Simulates a model which always returns a refusal response
6443    #[derive(Clone)]
6444    struct RefusalAgentConnection;
6445
6446    impl AgentConnection for RefusalAgentConnection {
6447        fn telemetry_id(&self) -> &'static str {
6448            "refusal"
6449        }
6450
6451        fn new_thread(
6452            self: Rc<Self>,
6453            project: Entity<Project>,
6454            _cwd: &Path,
6455            cx: &mut gpui::App,
6456        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6457            Task::ready(Ok(cx.new(|cx| {
6458                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6459                AcpThread::new(
6460                    "RefusalAgentConnection",
6461                    self,
6462                    project,
6463                    action_log,
6464                    SessionId("test".into()),
6465                    watch::Receiver::constant(acp::PromptCapabilities {
6466                        image: true,
6467                        audio: true,
6468                        embedded_context: true,
6469                        meta: None,
6470                    }),
6471                    cx,
6472                )
6473            })))
6474        }
6475
6476        fn auth_methods(&self) -> &[acp::AuthMethod] {
6477            &[]
6478        }
6479
6480        fn authenticate(
6481            &self,
6482            _method_id: acp::AuthMethodId,
6483            _cx: &mut App,
6484        ) -> Task<gpui::Result<()>> {
6485            unimplemented!()
6486        }
6487
6488        fn prompt(
6489            &self,
6490            _id: Option<acp_thread::UserMessageId>,
6491            _params: acp::PromptRequest,
6492            _cx: &mut App,
6493        ) -> Task<gpui::Result<acp::PromptResponse>> {
6494            Task::ready(Ok(acp::PromptResponse {
6495                stop_reason: acp::StopReason::Refusal,
6496                meta: None,
6497            }))
6498        }
6499
6500        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6501            unimplemented!()
6502        }
6503
6504        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6505            self
6506        }
6507    }
6508
6509    pub(crate) fn init_test(cx: &mut TestAppContext) {
6510        cx.update(|cx| {
6511            let settings_store = SettingsStore::test(cx);
6512            cx.set_global(settings_store);
6513            theme::init(theme::LoadThemes::JustBase, cx);
6514            release_channel::init(SemanticVersion::default(), cx);
6515            prompt_store::init(cx)
6516        });
6517    }
6518
6519    #[gpui::test]
6520    async fn test_rewind_views(cx: &mut TestAppContext) {
6521        init_test(cx);
6522
6523        let fs = FakeFs::new(cx.executor());
6524        fs.insert_tree(
6525            "/project",
6526            json!({
6527                "test1.txt": "old content 1",
6528                "test2.txt": "old content 2"
6529            }),
6530        )
6531        .await;
6532        let project = Project::test(fs, [Path::new("/project")], cx).await;
6533        let (workspace, cx) =
6534            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6535
6536        let text_thread_store =
6537            cx.update(|_window, cx| cx.new(|cx| TextThreadStore::fake(project.clone(), cx)));
6538        let history_store =
6539            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(text_thread_store, cx)));
6540
6541        let connection = Rc::new(StubAgentConnection::new());
6542        let thread_view = cx.update(|window, cx| {
6543            cx.new(|cx| {
6544                AcpThreadView::new(
6545                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6546                    None,
6547                    None,
6548                    workspace.downgrade(),
6549                    project.clone(),
6550                    history_store.clone(),
6551                    None,
6552                    window,
6553                    cx,
6554                )
6555            })
6556        });
6557
6558        cx.run_until_parked();
6559
6560        let thread = thread_view
6561            .read_with(cx, |view, _| view.thread().cloned())
6562            .unwrap();
6563
6564        // First user message
6565        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6566            id: acp::ToolCallId("tool1".into()),
6567            title: "Edit file 1".into(),
6568            kind: acp::ToolKind::Edit,
6569            status: acp::ToolCallStatus::Completed,
6570            content: vec![acp::ToolCallContent::Diff {
6571                diff: acp::Diff {
6572                    path: "/project/test1.txt".into(),
6573                    old_text: Some("old content 1".into()),
6574                    new_text: "new content 1".into(),
6575                    meta: None,
6576                },
6577            }],
6578            locations: vec![],
6579            raw_input: None,
6580            raw_output: None,
6581            meta: None,
6582        })]);
6583
6584        thread
6585            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6586            .await
6587            .unwrap();
6588        cx.run_until_parked();
6589
6590        thread.read_with(cx, |thread, _| {
6591            assert_eq!(thread.entries().len(), 2);
6592        });
6593
6594        thread_view.read_with(cx, |view, cx| {
6595            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6596                assert!(
6597                    entry_view_state
6598                        .entry(0)
6599                        .unwrap()
6600                        .message_editor()
6601                        .is_some()
6602                );
6603                assert!(entry_view_state.entry(1).unwrap().has_content());
6604            });
6605        });
6606
6607        // Second user message
6608        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6609            id: acp::ToolCallId("tool2".into()),
6610            title: "Edit file 2".into(),
6611            kind: acp::ToolKind::Edit,
6612            status: acp::ToolCallStatus::Completed,
6613            content: vec![acp::ToolCallContent::Diff {
6614                diff: acp::Diff {
6615                    path: "/project/test2.txt".into(),
6616                    old_text: Some("old content 2".into()),
6617                    new_text: "new content 2".into(),
6618                    meta: None,
6619                },
6620            }],
6621            locations: vec![],
6622            raw_input: None,
6623            raw_output: None,
6624            meta: None,
6625        })]);
6626
6627        thread
6628            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6629            .await
6630            .unwrap();
6631        cx.run_until_parked();
6632
6633        let second_user_message_id = thread.read_with(cx, |thread, _| {
6634            assert_eq!(thread.entries().len(), 4);
6635            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6636                panic!();
6637            };
6638            user_message.id.clone().unwrap()
6639        });
6640
6641        thread_view.read_with(cx, |view, cx| {
6642            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6643                assert!(
6644                    entry_view_state
6645                        .entry(0)
6646                        .unwrap()
6647                        .message_editor()
6648                        .is_some()
6649                );
6650                assert!(entry_view_state.entry(1).unwrap().has_content());
6651                assert!(
6652                    entry_view_state
6653                        .entry(2)
6654                        .unwrap()
6655                        .message_editor()
6656                        .is_some()
6657                );
6658                assert!(entry_view_state.entry(3).unwrap().has_content());
6659            });
6660        });
6661
6662        // Rewind to first message
6663        thread
6664            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6665            .await
6666            .unwrap();
6667
6668        cx.run_until_parked();
6669
6670        thread.read_with(cx, |thread, _| {
6671            assert_eq!(thread.entries().len(), 2);
6672        });
6673
6674        thread_view.read_with(cx, |view, cx| {
6675            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6676                assert!(
6677                    entry_view_state
6678                        .entry(0)
6679                        .unwrap()
6680                        .message_editor()
6681                        .is_some()
6682                );
6683                assert!(entry_view_state.entry(1).unwrap().has_content());
6684
6685                // Old views should be dropped
6686                assert!(entry_view_state.entry(2).is_none());
6687                assert!(entry_view_state.entry(3).is_none());
6688            });
6689        });
6690    }
6691
6692    #[gpui::test]
6693    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6694        init_test(cx);
6695
6696        let connection = StubAgentConnection::new();
6697
6698        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6699            acp::ContentChunk {
6700                content: acp::ContentBlock::Text(acp::TextContent {
6701                    text: "Response".into(),
6702                    annotations: None,
6703                    meta: None,
6704                }),
6705                meta: None,
6706            },
6707        )]);
6708
6709        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6710        add_to_workspace(thread_view.clone(), cx);
6711
6712        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6713        message_editor.update_in(cx, |editor, window, cx| {
6714            editor.set_text("Original message to edit", window, cx);
6715        });
6716        thread_view.update_in(cx, |thread_view, window, cx| {
6717            thread_view.send(window, cx);
6718        });
6719
6720        cx.run_until_parked();
6721
6722        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6723            assert_eq!(view.editing_message, None);
6724
6725            view.entry_view_state
6726                .read(cx)
6727                .entry(0)
6728                .unwrap()
6729                .message_editor()
6730                .unwrap()
6731                .clone()
6732        });
6733
6734        // Focus
6735        cx.focus(&user_message_editor);
6736        thread_view.read_with(cx, |view, _cx| {
6737            assert_eq!(view.editing_message, Some(0));
6738        });
6739
6740        // Edit
6741        user_message_editor.update_in(cx, |editor, window, cx| {
6742            editor.set_text("Edited message content", window, cx);
6743        });
6744
6745        // Cancel
6746        user_message_editor.update_in(cx, |_editor, window, cx| {
6747            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6748        });
6749
6750        thread_view.read_with(cx, |view, _cx| {
6751            assert_eq!(view.editing_message, None);
6752        });
6753
6754        user_message_editor.read_with(cx, |editor, cx| {
6755            assert_eq!(editor.text(cx), "Original message to edit");
6756        });
6757    }
6758
6759    #[gpui::test]
6760    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6761        init_test(cx);
6762
6763        let connection = StubAgentConnection::new();
6764
6765        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6766        add_to_workspace(thread_view.clone(), cx);
6767
6768        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6769        let mut events = cx.events(&message_editor);
6770        message_editor.update_in(cx, |editor, window, cx| {
6771            editor.set_text("", window, cx);
6772        });
6773
6774        message_editor.update_in(cx, |_editor, window, cx| {
6775            window.dispatch_action(Box::new(Chat), cx);
6776        });
6777        cx.run_until_parked();
6778        // We shouldn't have received any messages
6779        assert!(matches!(
6780            events.try_next(),
6781            Err(futures::channel::mpsc::TryRecvError { .. })
6782        ));
6783    }
6784
6785    #[gpui::test]
6786    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6787        init_test(cx);
6788
6789        let connection = StubAgentConnection::new();
6790
6791        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6792            acp::ContentChunk {
6793                content: acp::ContentBlock::Text(acp::TextContent {
6794                    text: "Response".into(),
6795                    annotations: None,
6796                    meta: None,
6797                }),
6798                meta: None,
6799            },
6800        )]);
6801
6802        let (thread_view, cx) =
6803            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6804        add_to_workspace(thread_view.clone(), cx);
6805
6806        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6807        message_editor.update_in(cx, |editor, window, cx| {
6808            editor.set_text("Original message to edit", window, cx);
6809        });
6810        thread_view.update_in(cx, |thread_view, window, cx| {
6811            thread_view.send(window, cx);
6812        });
6813
6814        cx.run_until_parked();
6815
6816        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6817            assert_eq!(view.editing_message, None);
6818            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6819
6820            view.entry_view_state
6821                .read(cx)
6822                .entry(0)
6823                .unwrap()
6824                .message_editor()
6825                .unwrap()
6826                .clone()
6827        });
6828
6829        // Focus
6830        cx.focus(&user_message_editor);
6831
6832        // Edit
6833        user_message_editor.update_in(cx, |editor, window, cx| {
6834            editor.set_text("Edited message content", window, cx);
6835        });
6836
6837        // Send
6838        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6839            acp::ContentChunk {
6840                content: acp::ContentBlock::Text(acp::TextContent {
6841                    text: "New Response".into(),
6842                    annotations: None,
6843                    meta: None,
6844                }),
6845                meta: None,
6846            },
6847        )]);
6848
6849        user_message_editor.update_in(cx, |_editor, window, cx| {
6850            window.dispatch_action(Box::new(Chat), cx);
6851        });
6852
6853        cx.run_until_parked();
6854
6855        thread_view.read_with(cx, |view, cx| {
6856            assert_eq!(view.editing_message, None);
6857
6858            let entries = view.thread().unwrap().read(cx).entries();
6859            assert_eq!(entries.len(), 2);
6860            assert_eq!(
6861                entries[0].to_markdown(cx),
6862                "## User\n\nEdited message content\n\n"
6863            );
6864            assert_eq!(
6865                entries[1].to_markdown(cx),
6866                "## Assistant\n\nNew Response\n\n"
6867            );
6868
6869            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6870                assert!(!state.entry(1).unwrap().has_content());
6871                state.entry(0).unwrap().message_editor().unwrap().clone()
6872            });
6873
6874            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6875        })
6876    }
6877
6878    #[gpui::test]
6879    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6880        init_test(cx);
6881
6882        let connection = StubAgentConnection::new();
6883
6884        let (thread_view, cx) =
6885            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6886        add_to_workspace(thread_view.clone(), cx);
6887
6888        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6889        message_editor.update_in(cx, |editor, window, cx| {
6890            editor.set_text("Original message to edit", window, cx);
6891        });
6892        thread_view.update_in(cx, |thread_view, window, cx| {
6893            thread_view.send(window, cx);
6894        });
6895
6896        cx.run_until_parked();
6897
6898        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6899            let thread = view.thread().unwrap().read(cx);
6900            assert_eq!(thread.entries().len(), 1);
6901
6902            let editor = view
6903                .entry_view_state
6904                .read(cx)
6905                .entry(0)
6906                .unwrap()
6907                .message_editor()
6908                .unwrap()
6909                .clone();
6910
6911            (editor, thread.session_id().clone())
6912        });
6913
6914        // Focus
6915        cx.focus(&user_message_editor);
6916
6917        thread_view.read_with(cx, |view, _cx| {
6918            assert_eq!(view.editing_message, Some(0));
6919        });
6920
6921        // Edit
6922        user_message_editor.update_in(cx, |editor, window, cx| {
6923            editor.set_text("Edited message content", window, cx);
6924        });
6925
6926        thread_view.read_with(cx, |view, _cx| {
6927            assert_eq!(view.editing_message, Some(0));
6928        });
6929
6930        // Finish streaming response
6931        cx.update(|_, cx| {
6932            connection.send_update(
6933                session_id.clone(),
6934                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6935                    content: acp::ContentBlock::Text(acp::TextContent {
6936                        text: "Response".into(),
6937                        annotations: None,
6938                        meta: None,
6939                    }),
6940                    meta: None,
6941                }),
6942                cx,
6943            );
6944            connection.end_turn(session_id, acp::StopReason::EndTurn);
6945        });
6946
6947        thread_view.read_with(cx, |view, _cx| {
6948            assert_eq!(view.editing_message, Some(0));
6949        });
6950
6951        cx.run_until_parked();
6952
6953        // Should still be editing
6954        cx.update(|window, cx| {
6955            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6956            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6957            assert_eq!(
6958                user_message_editor.read(cx).text(cx),
6959                "Edited message content"
6960            );
6961        });
6962    }
6963
6964    #[gpui::test]
6965    async fn test_interrupt(cx: &mut TestAppContext) {
6966        init_test(cx);
6967
6968        let connection = StubAgentConnection::new();
6969
6970        let (thread_view, cx) =
6971            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6972        add_to_workspace(thread_view.clone(), cx);
6973
6974        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6975        message_editor.update_in(cx, |editor, window, cx| {
6976            editor.set_text("Message 1", window, cx);
6977        });
6978        thread_view.update_in(cx, |thread_view, window, cx| {
6979            thread_view.send(window, cx);
6980        });
6981
6982        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6983            let thread = view.thread().unwrap();
6984
6985            (thread.clone(), thread.read(cx).session_id().clone())
6986        });
6987
6988        cx.run_until_parked();
6989
6990        cx.update(|_, cx| {
6991            connection.send_update(
6992                session_id.clone(),
6993                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
6994                    content: "Message 1 resp".into(),
6995                    meta: None,
6996                }),
6997                cx,
6998            );
6999        });
7000
7001        cx.run_until_parked();
7002
7003        thread.read_with(cx, |thread, cx| {
7004            assert_eq!(
7005                thread.to_markdown(cx),
7006                indoc::indoc! {"
7007                    ## User
7008
7009                    Message 1
7010
7011                    ## Assistant
7012
7013                    Message 1 resp
7014
7015                "}
7016            )
7017        });
7018
7019        message_editor.update_in(cx, |editor, window, cx| {
7020            editor.set_text("Message 2", window, cx);
7021        });
7022        thread_view.update_in(cx, |thread_view, window, cx| {
7023            thread_view.send(window, cx);
7024        });
7025
7026        cx.update(|_, cx| {
7027            // Simulate a response sent after beginning to cancel
7028            connection.send_update(
7029                session_id.clone(),
7030                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7031                    content: "onse".into(),
7032                    meta: None,
7033                }),
7034                cx,
7035            );
7036        });
7037
7038        cx.run_until_parked();
7039
7040        // Last Message 1 response should appear before Message 2
7041        thread.read_with(cx, |thread, cx| {
7042            assert_eq!(
7043                thread.to_markdown(cx),
7044                indoc::indoc! {"
7045                    ## User
7046
7047                    Message 1
7048
7049                    ## Assistant
7050
7051                    Message 1 response
7052
7053                    ## User
7054
7055                    Message 2
7056
7057                "}
7058            )
7059        });
7060
7061        cx.update(|_, cx| {
7062            connection.send_update(
7063                session_id.clone(),
7064                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk {
7065                    content: "Message 2 response".into(),
7066                    meta: None,
7067                }),
7068                cx,
7069            );
7070            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
7071        });
7072
7073        cx.run_until_parked();
7074
7075        thread.read_with(cx, |thread, cx| {
7076            assert_eq!(
7077                thread.to_markdown(cx),
7078                indoc::indoc! {"
7079                    ## User
7080
7081                    Message 1
7082
7083                    ## Assistant
7084
7085                    Message 1 response
7086
7087                    ## User
7088
7089                    Message 2
7090
7091                    ## Assistant
7092
7093                    Message 2 response
7094
7095                "}
7096            )
7097        });
7098    }
7099
7100    #[gpui::test]
7101    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
7102        init_test(cx);
7103
7104        let connection = StubAgentConnection::new();
7105        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7106            acp::ContentChunk {
7107                content: acp::ContentBlock::Text(acp::TextContent {
7108                    text: "Response".into(),
7109                    annotations: None,
7110                    meta: None,
7111                }),
7112                meta: None,
7113            },
7114        )]);
7115
7116        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7117        add_to_workspace(thread_view.clone(), cx);
7118
7119        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7120        message_editor.update_in(cx, |editor, window, cx| {
7121            editor.set_text("Original message to edit", window, cx)
7122        });
7123        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
7124        cx.run_until_parked();
7125
7126        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
7127            thread_view
7128                .entry_view_state
7129                .read(cx)
7130                .entry(0)
7131                .expect("Should have at least one entry")
7132                .message_editor()
7133                .expect("Should have message editor")
7134                .clone()
7135        });
7136
7137        cx.focus(&user_message_editor);
7138        thread_view.read_with(cx, |thread_view, _cx| {
7139            assert_eq!(thread_view.editing_message, Some(0));
7140        });
7141
7142        // Ensure to edit the focused message before proceeding otherwise, since
7143        // its content is not different from what was sent, focus will be lost.
7144        user_message_editor.update_in(cx, |editor, window, cx| {
7145            editor.set_text("Original message to edit with ", window, cx)
7146        });
7147
7148        // Create a simple buffer with some text so we can create a selection
7149        // that will then be added to the message being edited.
7150        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7151            (thread_view.workspace.clone(), thread_view.project.clone())
7152        });
7153        let buffer = project.update(cx, |project, cx| {
7154            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7155        });
7156
7157        workspace
7158            .update_in(cx, |workspace, window, cx| {
7159                let editor = cx.new(|cx| {
7160                    let mut editor =
7161                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7162
7163                    editor.change_selections(Default::default(), window, cx, |selections| {
7164                        selections.select_ranges([8..15]);
7165                    });
7166
7167                    editor
7168                });
7169                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7170            })
7171            .unwrap();
7172
7173        thread_view.update_in(cx, |thread_view, window, cx| {
7174            assert_eq!(thread_view.editing_message, Some(0));
7175            thread_view.insert_selections(window, cx);
7176        });
7177
7178        user_message_editor.read_with(cx, |editor, cx| {
7179            let text = editor.editor().read(cx).text(cx);
7180            let expected_text = String::from("Original message to edit with selection ");
7181
7182            assert_eq!(text, expected_text);
7183        });
7184    }
7185
7186    #[gpui::test]
7187    async fn test_insert_selections(cx: &mut TestAppContext) {
7188        init_test(cx);
7189
7190        let connection = StubAgentConnection::new();
7191        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7192            acp::ContentChunk {
7193                content: acp::ContentBlock::Text(acp::TextContent {
7194                    text: "Response".into(),
7195                    annotations: None,
7196                    meta: None,
7197                }),
7198                meta: None,
7199            },
7200        )]);
7201
7202        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7203        add_to_workspace(thread_view.clone(), cx);
7204
7205        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7206        message_editor.update_in(cx, |editor, window, cx| {
7207            editor.set_text("Can you review this snippet ", window, cx)
7208        });
7209
7210        // Create a simple buffer with some text so we can create a selection
7211        // that will then be added to the message being edited.
7212        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
7213            (thread_view.workspace.clone(), thread_view.project.clone())
7214        });
7215        let buffer = project.update(cx, |project, cx| {
7216            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
7217        });
7218
7219        workspace
7220            .update_in(cx, |workspace, window, cx| {
7221                let editor = cx.new(|cx| {
7222                    let mut editor =
7223                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
7224
7225                    editor.change_selections(Default::default(), window, cx, |selections| {
7226                        selections.select_ranges([8..15]);
7227                    });
7228
7229                    editor
7230                });
7231                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
7232            })
7233            .unwrap();
7234
7235        thread_view.update_in(cx, |thread_view, window, cx| {
7236            assert_eq!(thread_view.editing_message, None);
7237            thread_view.insert_selections(window, cx);
7238        });
7239
7240        thread_view.read_with(cx, |thread_view, cx| {
7241            let text = thread_view.message_editor.read(cx).text(cx);
7242            let expected_txt = String::from("Can you review this snippet selection ");
7243
7244            assert_eq!(text, expected_txt);
7245        })
7246    }
7247}