thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentThreadEntry, AssistantMessage, AssistantMessageChunk,
   3    AuthRequired, LoadError, MentionUri, RetryStatus, ThreadStatus, ToolCall, ToolCallContent,
   4    ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLog;
   8use agent_client_protocol::{self as acp, PromptCapabilities};
   9use agent_servers::{AgentServer, AgentServerDelegate};
  10use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
  11use agent2::{DbThreadMetadata, HistoryEntry, HistoryEntryId, HistoryStore, NativeAgentServer};
  12use anyhow::{Context as _, Result, anyhow, bail};
  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::{Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects};
  21use file_icons::FileIcons;
  22use fs::Fs;
  23use futures::FutureExt as _;
  24use gpui::{
  25    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  26    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  27    ListOffset, ListState, PlatformDisplay, SharedString, StyleRefinement, Subscription, Task,
  28    TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  29    ease_in_out, linear_color_stop, linear_gradient, list, point, prelude::*, pulsating_between,
  30};
  31use language::Buffer;
  32
  33use language_model::LanguageModelRegistry;
  34use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  35use project::{Project, ProjectEntryId};
  36use prompt_store::{PromptId, PromptStore};
  37use rope::Point;
  38use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  39use std::cell::RefCell;
  40use std::path::Path;
  41use std::sync::Arc;
  42use std::time::Instant;
  43use std::{collections::BTreeMap, rc::Rc, time::Duration};
  44use terminal_view::terminal_panel::TerminalPanel;
  45use text::Anchor;
  46use theme::{AgentFontSize, ThemeSettings};
  47use ui::{
  48    Callout, CommonAnimationExt, Disclosure, Divider, DividerColor, ElevationIndex, KeyBinding,
  49    PopoverMenuHandle, SpinnerLabel, TintColor, Tooltip, WithScrollbar, prelude::*,
  50};
  51use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  52use workspace::{CollaboratorId, Workspace};
  53use zed_actions::agent::{Chat, ToggleModelSelector};
  54use zed_actions::assistant::OpenRulesLibrary;
  55
  56use super::entry_view_state::EntryViewState;
  57use crate::acp::AcpModelSelectorPopover;
  58use crate::acp::ModeSelector;
  59use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  60use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  61use crate::agent_diff::AgentDiff;
  62use crate::profile_selector::{ProfileProvider, ProfileSelector};
  63
  64use crate::ui::{
  65    AgentNotification, AgentNotificationEvent, BurnModeTooltip, UnavailableEditingTooltip,
  66    UsageCallout,
  67};
  68use crate::{
  69    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ContinueThread, ContinueWithBurnMode,
  70    CycleModeSelector, ExpandMessageEditor, Follow, KeepAll, OpenAgentDiff, OpenHistory, RejectAll,
  71    RejectOnce, ToggleBurnMode, ToggleProfileSelector,
  72};
  73
  74#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  75enum ThreadFeedback {
  76    Positive,
  77    Negative,
  78}
  79
  80#[derive(Debug)]
  81enum ThreadError {
  82    PaymentRequired,
  83    ModelRequestLimitReached(cloud_llm_client::Plan),
  84    ToolUseLimitReached,
  85    Refusal,
  86    AuthenticationRequired(SharedString),
  87    Other(SharedString),
  88}
  89
  90impl ThreadError {
  91    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  92        if error.is::<language_model::PaymentRequiredError>() {
  93            Self::PaymentRequired
  94        } else if error.is::<language_model::ToolUseLimitReachedError>() {
  95            Self::ToolUseLimitReached
  96        } else if let Some(error) =
  97            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
  98        {
  99            Self::ModelRequestLimitReached(error.plan)
 100        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 101            && acp_error.code == acp::ErrorCode::AUTH_REQUIRED.code
 102        {
 103            Self::AuthenticationRequired(acp_error.message.clone().into())
 104        } else {
 105            let string = error.to_string();
 106            // TODO: we should have Gemini return better errors here.
 107            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 108                && string.contains("Could not load the default credentials")
 109                || string.contains("API key not valid")
 110                || string.contains("Request had invalid authentication credentials")
 111            {
 112                Self::AuthenticationRequired(string.into())
 113            } else {
 114                Self::Other(error.to_string().into())
 115            }
 116        }
 117    }
 118}
 119
 120impl ProfileProvider for Entity<agent2::Thread> {
 121    fn profile_id(&self, cx: &App) -> AgentProfileId {
 122        self.read(cx).profile().clone()
 123    }
 124
 125    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 126        self.update(cx, |thread, _cx| {
 127            thread.set_profile(profile_id);
 128        });
 129    }
 130
 131    fn profiles_supported(&self, cx: &App) -> bool {
 132        self.read(cx)
 133            .model()
 134            .is_some_and(|model| model.supports_tools())
 135    }
 136}
 137
 138#[derive(Default)]
 139struct ThreadFeedbackState {
 140    feedback: Option<ThreadFeedback>,
 141    comments_editor: Option<Entity<Editor>>,
 142}
 143
 144impl ThreadFeedbackState {
 145    pub fn submit(
 146        &mut self,
 147        thread: Entity<AcpThread>,
 148        feedback: ThreadFeedback,
 149        window: &mut Window,
 150        cx: &mut App,
 151    ) {
 152        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 153            return;
 154        };
 155
 156        if self.feedback == Some(feedback) {
 157            return;
 158        }
 159
 160        self.feedback = Some(feedback);
 161        match feedback {
 162            ThreadFeedback::Positive => {
 163                self.comments_editor = None;
 164            }
 165            ThreadFeedback::Negative => {
 166                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 167            }
 168        }
 169        let session_id = thread.read(cx).session_id().clone();
 170        let agent_name = telemetry.agent_name();
 171        let task = telemetry.thread_data(&session_id, cx);
 172        let rating = match feedback {
 173            ThreadFeedback::Positive => "positive",
 174            ThreadFeedback::Negative => "negative",
 175        };
 176        cx.background_spawn(async move {
 177            let thread = task.await?;
 178            telemetry::event!(
 179                "Agent Thread Rated",
 180                session_id = session_id,
 181                rating = rating,
 182                agent = agent_name,
 183                thread = thread
 184            );
 185            anyhow::Ok(())
 186        })
 187        .detach_and_log_err(cx);
 188    }
 189
 190    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 191        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 192            return;
 193        };
 194
 195        let Some(comments) = self
 196            .comments_editor
 197            .as_ref()
 198            .map(|editor| editor.read(cx).text(cx))
 199            .filter(|text| !text.trim().is_empty())
 200        else {
 201            return;
 202        };
 203
 204        self.comments_editor.take();
 205
 206        let session_id = thread.read(cx).session_id().clone();
 207        let agent_name = telemetry.agent_name();
 208        let task = telemetry.thread_data(&session_id, cx);
 209        cx.background_spawn(async move {
 210            let thread = task.await?;
 211            telemetry::event!(
 212                "Agent Thread Feedback Comments",
 213                session_id = session_id,
 214                comments = comments,
 215                agent = agent_name,
 216                thread = thread
 217            );
 218            anyhow::Ok(())
 219        })
 220        .detach_and_log_err(cx);
 221    }
 222
 223    pub fn clear(&mut self) {
 224        *self = Self::default()
 225    }
 226
 227    pub fn dismiss_comments(&mut self) {
 228        self.comments_editor.take();
 229    }
 230
 231    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 232        let buffer = cx.new(|cx| {
 233            let empty_string = String::new();
 234            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 235        });
 236
 237        let editor = cx.new(|cx| {
 238            let mut editor = Editor::new(
 239                editor::EditorMode::AutoHeight {
 240                    min_lines: 1,
 241                    max_lines: Some(4),
 242                },
 243                buffer,
 244                None,
 245                window,
 246                cx,
 247            );
 248            editor.set_placeholder_text(
 249                "What went wrong? Share your feedback so we can improve.",
 250                window,
 251                cx,
 252            );
 253            editor
 254        });
 255
 256        editor.read(cx).focus_handle(cx).focus(window);
 257        editor
 258    }
 259}
 260
 261pub struct AcpThreadView {
 262    agent: Rc<dyn AgentServer>,
 263    workspace: WeakEntity<Workspace>,
 264    project: Entity<Project>,
 265    thread_state: ThreadState,
 266    login: Option<task::SpawnInTerminal>,
 267    history_store: Entity<HistoryStore>,
 268    hovered_recent_history_item: Option<usize>,
 269    entry_view_state: Entity<EntryViewState>,
 270    message_editor: Entity<MessageEditor>,
 271    focus_handle: FocusHandle,
 272    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 273    profile_selector: Option<Entity<ProfileSelector>>,
 274    notifications: Vec<WindowHandle<AgentNotification>>,
 275    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 276    thread_retry_status: Option<RetryStatus>,
 277    thread_error: Option<ThreadError>,
 278    thread_feedback: ThreadFeedbackState,
 279    list_state: ListState,
 280    auth_task: Option<Task<()>>,
 281    expanded_tool_calls: HashSet<acp::ToolCallId>,
 282    expanded_thinking_blocks: HashSet<(usize, usize)>,
 283    edits_expanded: bool,
 284    plan_expanded: bool,
 285    editor_expanded: bool,
 286    should_be_following: bool,
 287    editing_message: Option<usize>,
 288    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 289    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 290    is_loading_contents: bool,
 291    new_server_version_available: Option<SharedString>,
 292    _cancel_task: Option<Task<()>>,
 293    _subscriptions: [Subscription; 4],
 294}
 295
 296enum ThreadState {
 297    Loading(Entity<LoadingView>),
 298    Ready {
 299        thread: Entity<AcpThread>,
 300        title_editor: Option<Entity<Editor>>,
 301        mode_selector: Option<Entity<ModeSelector>>,
 302        _subscriptions: Vec<Subscription>,
 303    },
 304    LoadError(LoadError),
 305    Unauthenticated {
 306        connection: Rc<dyn AgentConnection>,
 307        description: Option<Entity<Markdown>>,
 308        configuration_view: Option<AnyView>,
 309        pending_auth_method: Option<acp::AuthMethodId>,
 310        _subscription: Option<Subscription>,
 311    },
 312}
 313
 314struct LoadingView {
 315    title: SharedString,
 316    _load_task: Task<()>,
 317    _update_title_task: Task<anyhow::Result<()>>,
 318}
 319
 320impl AcpThreadView {
 321    pub fn new(
 322        agent: Rc<dyn AgentServer>,
 323        resume_thread: Option<DbThreadMetadata>,
 324        summarize_thread: Option<DbThreadMetadata>,
 325        workspace: WeakEntity<Workspace>,
 326        project: Entity<Project>,
 327        history_store: Entity<HistoryStore>,
 328        prompt_store: Option<Entity<PromptStore>>,
 329        window: &mut Window,
 330        cx: &mut Context<Self>,
 331    ) -> Self {
 332        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 333        let available_commands = Rc::new(RefCell::new(vec![]));
 334
 335        let placeholder = if agent.name() == "Zed Agent" {
 336            format!("Message the {} — @ to include context", agent.name())
 337        } else if agent.name() == "Claude Code" || !available_commands.borrow().is_empty() {
 338            format!(
 339                "Message {} — @ to include context, / for commands",
 340                agent.name()
 341            )
 342        } else {
 343            format!("Message {} — @ to include context", agent.name())
 344        };
 345
 346        let message_editor = cx.new(|cx| {
 347            let mut editor = MessageEditor::new(
 348                workspace.clone(),
 349                project.clone(),
 350                history_store.clone(),
 351                prompt_store.clone(),
 352                prompt_capabilities.clone(),
 353                available_commands.clone(),
 354                agent.name(),
 355                &placeholder,
 356                editor::EditorMode::AutoHeight {
 357                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 358                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 359                },
 360                window,
 361                cx,
 362            );
 363            if let Some(entry) = summarize_thread {
 364                editor.insert_thread_summary(entry, window, cx);
 365            }
 366            editor
 367        });
 368
 369        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 370
 371        let entry_view_state = cx.new(|_| {
 372            EntryViewState::new(
 373                workspace.clone(),
 374                project.clone(),
 375                history_store.clone(),
 376                prompt_store.clone(),
 377                prompt_capabilities.clone(),
 378                available_commands.clone(),
 379                agent.name(),
 380            )
 381        });
 382
 383        let subscriptions = [
 384            cx.observe_global_in::<SettingsStore>(window, Self::agent_font_size_changed),
 385            cx.observe_global_in::<AgentFontSize>(window, Self::agent_font_size_changed),
 386            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 387            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 388        ];
 389
 390        Self {
 391            agent: agent.clone(),
 392            workspace: workspace.clone(),
 393            project: project.clone(),
 394            entry_view_state,
 395            thread_state: Self::initial_state(agent, resume_thread, workspace, project, window, cx),
 396            login: None,
 397            message_editor,
 398            model_selector: None,
 399            profile_selector: None,
 400
 401            notifications: Vec::new(),
 402            notification_subscriptions: HashMap::default(),
 403            list_state: list_state,
 404            thread_retry_status: None,
 405            thread_error: None,
 406            thread_feedback: Default::default(),
 407            auth_task: None,
 408            expanded_tool_calls: HashSet::default(),
 409            expanded_thinking_blocks: HashSet::default(),
 410            editing_message: None,
 411            edits_expanded: false,
 412            plan_expanded: false,
 413            prompt_capabilities,
 414            available_commands,
 415            editor_expanded: false,
 416            should_be_following: false,
 417            history_store,
 418            hovered_recent_history_item: None,
 419            is_loading_contents: false,
 420            _subscriptions: subscriptions,
 421            _cancel_task: None,
 422            focus_handle: cx.focus_handle(),
 423            new_server_version_available: None,
 424        }
 425    }
 426
 427    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 428        self.thread_state = Self::initial_state(
 429            self.agent.clone(),
 430            None,
 431            self.workspace.clone(),
 432            self.project.clone(),
 433            window,
 434            cx,
 435        );
 436        self.available_commands.replace(vec![]);
 437        self.new_server_version_available.take();
 438        cx.notify();
 439    }
 440
 441    fn initial_state(
 442        agent: Rc<dyn AgentServer>,
 443        resume_thread: Option<DbThreadMetadata>,
 444        workspace: WeakEntity<Workspace>,
 445        project: Entity<Project>,
 446        window: &mut Window,
 447        cx: &mut Context<Self>,
 448    ) -> ThreadState {
 449        if project.read(cx).is_via_collab()
 450            && agent.clone().downcast::<NativeAgentServer>().is_none()
 451        {
 452            return ThreadState::LoadError(LoadError::Other(
 453                "External agents are not yet supported in shared projects.".into(),
 454            ));
 455        }
 456        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 457        // Pick the first non-single-file worktree for the root directory if there are any,
 458        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 459        worktrees.sort_by(|l, r| {
 460            l.read(cx)
 461                .is_single_file()
 462                .cmp(&r.read(cx).is_single_file())
 463        });
 464        let root_dir = worktrees
 465            .into_iter()
 466            .filter_map(|worktree| {
 467                if worktree.read(cx).is_single_file() {
 468                    Some(worktree.read(cx).abs_path().parent()?.into())
 469                } else {
 470                    Some(worktree.read(cx).abs_path())
 471                }
 472            })
 473            .next();
 474        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 475        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 476        let delegate = AgentServerDelegate::new(
 477            project.read(cx).agent_server_store().clone(),
 478            project.clone(),
 479            Some(status_tx),
 480            Some(new_version_available_tx),
 481        );
 482
 483        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 484        let load_task = cx.spawn_in(window, async move |this, cx| {
 485            let connection = match connect_task.await {
 486                Ok((connection, login)) => {
 487                    this.update(cx, |this, _| this.login = login).ok();
 488                    connection
 489                }
 490                Err(err) => {
 491                    this.update_in(cx, |this, window, cx| {
 492                        if err.downcast_ref::<LoadError>().is_some() {
 493                            this.handle_load_error(err, window, cx);
 494                        } else {
 495                            this.handle_thread_error(err, cx);
 496                        }
 497                        cx.notify();
 498                    })
 499                    .log_err();
 500                    return;
 501                }
 502            };
 503
 504            let result = if let Some(native_agent) = connection
 505                .clone()
 506                .downcast::<agent2::NativeAgentConnection>()
 507                && let Some(resume) = resume_thread.clone()
 508            {
 509                cx.update(|_, cx| {
 510                    native_agent
 511                        .0
 512                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 513                })
 514                .log_err()
 515            } else {
 516                let root_dir = if let Some(acp_agent) = connection
 517                    .clone()
 518                    .downcast::<agent_servers::AcpConnection>()
 519                {
 520                    acp_agent.root_dir().into()
 521                } else {
 522                    root_dir.unwrap_or(paths::home_dir().as_path().into())
 523                };
 524                cx.update(|_, cx| {
 525                    connection
 526                        .clone()
 527                        .new_thread(project.clone(), &root_dir, cx)
 528                })
 529                .log_err()
 530            };
 531
 532            let Some(result) = result else {
 533                return;
 534            };
 535
 536            let result = match result.await {
 537                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 538                    Ok(err) => {
 539                        cx.update(|window, cx| {
 540                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 541                        })
 542                        .log_err();
 543                        return;
 544                    }
 545                    Err(err) => Err(err),
 546                },
 547                Ok(thread) => Ok(thread),
 548            };
 549
 550            this.update_in(cx, |this, window, cx| {
 551                match result {
 552                    Ok(thread) => {
 553                        let action_log = thread.read(cx).action_log().clone();
 554
 555                        this.prompt_capabilities
 556                            .replace(thread.read(cx).prompt_capabilities());
 557
 558                        let count = thread.read(cx).entries().len();
 559                        this.entry_view_state.update(cx, |view_state, cx| {
 560                            for ix in 0..count {
 561                                view_state.sync_entry(ix, &thread, window, cx);
 562                            }
 563                            this.list_state.splice_focusable(
 564                                0..0,
 565                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 566                            );
 567                        });
 568
 569                        if let Some(resume) = resume_thread {
 570                            this.history_store.update(cx, |history, cx| {
 571                                history.push_recently_opened_entry(
 572                                    HistoryEntryId::AcpThread(resume.id),
 573                                    cx,
 574                                );
 575                            });
 576                        }
 577
 578                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 579
 580                        this.model_selector = thread
 581                            .read(cx)
 582                            .connection()
 583                            .model_selector(thread.read(cx).session_id())
 584                            .map(|selector| {
 585                                cx.new(|cx| {
 586                                    AcpModelSelectorPopover::new(
 587                                        selector,
 588                                        PopoverMenuHandle::default(),
 589                                        this.focus_handle(cx),
 590                                        window,
 591                                        cx,
 592                                    )
 593                                })
 594                            });
 595
 596                        let mode_selector = thread
 597                            .read(cx)
 598                            .connection()
 599                            .session_modes(thread.read(cx).session_id(), cx)
 600                            .map(|session_modes| {
 601                                let fs = this.project.read(cx).fs().clone();
 602                                let focus_handle = this.focus_handle(cx);
 603                                cx.new(|_cx| {
 604                                    ModeSelector::new(
 605                                        session_modes,
 606                                        this.agent.clone(),
 607                                        fs,
 608                                        focus_handle,
 609                                    )
 610                                })
 611                            });
 612
 613                        let mut subscriptions = vec![
 614                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 615                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 616                        ];
 617
 618                        let title_editor =
 619                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 620                                let editor = cx.new(|cx| {
 621                                    let mut editor = Editor::single_line(window, cx);
 622                                    editor.set_text(thread.read(cx).title(), window, cx);
 623                                    editor
 624                                });
 625                                subscriptions.push(cx.subscribe_in(
 626                                    &editor,
 627                                    window,
 628                                    Self::handle_title_editor_event,
 629                                ));
 630                                Some(editor)
 631                            } else {
 632                                None
 633                            };
 634
 635                        this.thread_state = ThreadState::Ready {
 636                            thread,
 637                            title_editor,
 638                            mode_selector,
 639                            _subscriptions: subscriptions,
 640                        };
 641                        this.message_editor.focus_handle(cx).focus(window);
 642
 643                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 644                            cx.new(|cx| {
 645                                ProfileSelector::new(
 646                                    <dyn Fs>::global(cx),
 647                                    Arc::new(thread.clone()),
 648                                    this.focus_handle(cx),
 649                                    cx,
 650                                )
 651                            })
 652                        });
 653
 654                        cx.notify();
 655                    }
 656                    Err(err) => {
 657                        this.handle_load_error(err, window, cx);
 658                    }
 659                };
 660            })
 661            .log_err();
 662        });
 663
 664        cx.spawn(async move |this, cx| {
 665            while let Ok(new_version) = new_version_available_rx.recv().await {
 666                if let Some(new_version) = new_version {
 667                    this.update(cx, |this, cx| {
 668                        this.new_server_version_available = Some(new_version.into());
 669                        cx.notify();
 670                    })
 671                    .log_err();
 672                }
 673            }
 674        })
 675        .detach();
 676
 677        let loading_view = cx.new(|cx| {
 678            let update_title_task = cx.spawn(async move |this, cx| {
 679                loop {
 680                    let status = status_rx.recv().await?;
 681                    this.update(cx, |this: &mut LoadingView, cx| {
 682                        this.title = status;
 683                        cx.notify();
 684                    })?;
 685                }
 686            });
 687
 688            LoadingView {
 689                title: "Loading…".into(),
 690                _load_task: load_task,
 691                _update_title_task: update_title_task,
 692            }
 693        });
 694
 695        ThreadState::Loading(loading_view)
 696    }
 697
 698    fn handle_auth_required(
 699        this: WeakEntity<Self>,
 700        err: AuthRequired,
 701        agent: Rc<dyn AgentServer>,
 702        connection: Rc<dyn AgentConnection>,
 703        window: &mut Window,
 704        cx: &mut App,
 705    ) {
 706        let agent_name = agent.name();
 707        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 708            let registry = LanguageModelRegistry::global(cx);
 709
 710            let sub = window.subscribe(&registry, cx, {
 711                let provider_id = provider_id.clone();
 712                let this = this.clone();
 713                move |_, ev, window, cx| {
 714                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 715                        && &provider_id == updated_provider_id
 716                        && LanguageModelRegistry::global(cx)
 717                            .read(cx)
 718                            .provider(&provider_id)
 719                            .map_or(false, |provider| provider.is_authenticated(cx))
 720                    {
 721                        this.update(cx, |this, cx| {
 722                            this.reset(window, cx);
 723                        })
 724                        .ok();
 725                    }
 726                }
 727            });
 728
 729            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 730                provider.configuration_view(
 731                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 732                    window,
 733                    cx,
 734                )
 735            });
 736
 737            (view, Some(sub))
 738        } else {
 739            (None, None)
 740        };
 741
 742        this.update(cx, |this, cx| {
 743            this.thread_state = ThreadState::Unauthenticated {
 744                pending_auth_method: None,
 745                connection,
 746                configuration_view,
 747                description: err
 748                    .description
 749                    .clone()
 750                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 751                _subscription: subscription,
 752            };
 753            if this.message_editor.focus_handle(cx).is_focused(window) {
 754                this.focus_handle.focus(window)
 755            }
 756            cx.notify();
 757        })
 758        .ok();
 759    }
 760
 761    fn handle_load_error(
 762        &mut self,
 763        err: anyhow::Error,
 764        window: &mut Window,
 765        cx: &mut Context<Self>,
 766    ) {
 767        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 768            self.thread_state = ThreadState::LoadError(load_err.clone());
 769        } else {
 770            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 771        }
 772        if self.message_editor.focus_handle(cx).is_focused(window) {
 773            self.focus_handle.focus(window)
 774        }
 775        cx.notify();
 776    }
 777
 778    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 779        &self.workspace
 780    }
 781
 782    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 783        match &self.thread_state {
 784            ThreadState::Ready { thread, .. } => Some(thread),
 785            ThreadState::Unauthenticated { .. }
 786            | ThreadState::Loading { .. }
 787            | ThreadState::LoadError { .. } => None,
 788        }
 789    }
 790
 791    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 792        match &self.thread_state {
 793            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 794            ThreadState::Unauthenticated { .. }
 795            | ThreadState::Loading { .. }
 796            | ThreadState::LoadError { .. } => None,
 797        }
 798    }
 799
 800    pub fn title(&self, cx: &App) -> SharedString {
 801        match &self.thread_state {
 802            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 803            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 804            ThreadState::LoadError(error) => match error {
 805                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 806                LoadError::FailedToInstall(_) => {
 807                    format!("Failed to Install {}", self.agent.name()).into()
 808                }
 809                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 810                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 811            },
 812        }
 813    }
 814
 815    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 816        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 817            title_editor.clone()
 818        } else {
 819            None
 820        }
 821    }
 822
 823    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 824        self.thread_error.take();
 825        self.thread_retry_status.take();
 826
 827        if let Some(thread) = self.thread() {
 828            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 829        }
 830    }
 831
 832    pub fn expand_message_editor(
 833        &mut self,
 834        _: &ExpandMessageEditor,
 835        _window: &mut Window,
 836        cx: &mut Context<Self>,
 837    ) {
 838        self.set_editor_is_expanded(!self.editor_expanded, cx);
 839        cx.notify();
 840    }
 841
 842    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 843        self.editor_expanded = is_expanded;
 844        self.message_editor.update(cx, |editor, cx| {
 845            if is_expanded {
 846                editor.set_mode(
 847                    EditorMode::Full {
 848                        scale_ui_elements_with_buffer_font_size: false,
 849                        show_active_line_background: false,
 850                        sized_by_content: false,
 851                    },
 852                    cx,
 853                )
 854            } else {
 855                let agent_settings = AgentSettings::get_global(cx);
 856                editor.set_mode(
 857                    EditorMode::AutoHeight {
 858                        min_lines: agent_settings.message_editor_min_lines,
 859                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 860                    },
 861                    cx,
 862                )
 863            }
 864        });
 865        cx.notify();
 866    }
 867
 868    pub fn handle_title_editor_event(
 869        &mut self,
 870        title_editor: &Entity<Editor>,
 871        event: &EditorEvent,
 872        window: &mut Window,
 873        cx: &mut Context<Self>,
 874    ) {
 875        let Some(thread) = self.thread() else { return };
 876
 877        match event {
 878            EditorEvent::BufferEdited => {
 879                let new_title = title_editor.read(cx).text(cx);
 880                thread.update(cx, |thread, cx| {
 881                    thread
 882                        .set_title(new_title.into(), cx)
 883                        .detach_and_log_err(cx);
 884                })
 885            }
 886            EditorEvent::Blurred => {
 887                if title_editor.read(cx).text(cx).is_empty() {
 888                    title_editor.update(cx, |editor, cx| {
 889                        editor.set_text("New Thread", window, cx);
 890                    });
 891                }
 892            }
 893            _ => {}
 894        }
 895    }
 896
 897    pub fn handle_message_editor_event(
 898        &mut self,
 899        _: &Entity<MessageEditor>,
 900        event: &MessageEditorEvent,
 901        window: &mut Window,
 902        cx: &mut Context<Self>,
 903    ) {
 904        match event {
 905            MessageEditorEvent::Send => self.send(window, cx),
 906            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 907            MessageEditorEvent::Focus => {
 908                self.cancel_editing(&Default::default(), window, cx);
 909            }
 910            MessageEditorEvent::LostFocus => {}
 911        }
 912    }
 913
 914    pub fn handle_entry_view_event(
 915        &mut self,
 916        _: &Entity<EntryViewState>,
 917        event: &EntryViewEvent,
 918        window: &mut Window,
 919        cx: &mut Context<Self>,
 920    ) {
 921        match &event.view_event {
 922            ViewEvent::NewDiff(tool_call_id) => {
 923                if AgentSettings::get_global(cx).expand_edit_card {
 924                    self.expanded_tool_calls.insert(tool_call_id.clone());
 925                }
 926            }
 927            ViewEvent::NewTerminal(tool_call_id) => {
 928                if AgentSettings::get_global(cx).expand_terminal_card {
 929                    self.expanded_tool_calls.insert(tool_call_id.clone());
 930                }
 931            }
 932            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 933                self.expanded_tool_calls.remove(tool_call_id);
 934            }
 935            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 936                if let Some(thread) = self.thread()
 937                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 938                        thread.read(cx).entries().get(event.entry_index)
 939                    && user_message.id.is_some()
 940                {
 941                    self.editing_message = Some(event.entry_index);
 942                    cx.notify();
 943                }
 944            }
 945            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 946                if let Some(thread) = self.thread()
 947                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 948                        thread.read(cx).entries().get(event.entry_index)
 949                    && user_message.id.is_some()
 950                {
 951                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 952                        self.editing_message = None;
 953                        cx.notify();
 954                    }
 955                }
 956            }
 957            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 958                self.regenerate(event.entry_index, editor.clone(), window, cx);
 959            }
 960            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 961                self.cancel_editing(&Default::default(), window, cx);
 962            }
 963        }
 964    }
 965
 966    fn resume_chat(&mut self, cx: &mut Context<Self>) {
 967        self.thread_error.take();
 968        let Some(thread) = self.thread() else {
 969            return;
 970        };
 971        if !thread.read(cx).can_resume(cx) {
 972            return;
 973        }
 974
 975        let task = thread.update(cx, |thread, cx| thread.resume(cx));
 976        cx.spawn(async move |this, cx| {
 977            let result = task.await;
 978
 979            this.update(cx, |this, cx| {
 980                if let Err(err) = result {
 981                    this.handle_thread_error(err, cx);
 982                }
 983            })
 984        })
 985        .detach();
 986    }
 987
 988    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 989        let Some(thread) = self.thread() else { return };
 990
 991        if self.is_loading_contents {
 992            return;
 993        }
 994
 995        self.history_store.update(cx, |history, cx| {
 996            history.push_recently_opened_entry(
 997                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
 998                cx,
 999            );
1000        });
1001
1002        if thread.read(cx).status() != ThreadStatus::Idle {
1003            self.stop_current_and_send_new_message(window, cx);
1004            return;
1005        }
1006
1007        let text = self.message_editor.read(cx).text(cx);
1008        let text = text.trim();
1009        if text == "/login" || text == "/logout" {
1010            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1011                return;
1012            };
1013
1014            let connection = thread.read(cx).connection().clone();
1015            if !connection
1016                .auth_methods()
1017                .iter()
1018                .any(|method| method.id.0.as_ref() == "claude-login")
1019            {
1020                return;
1021            };
1022            let this = cx.weak_entity();
1023            let agent = self.agent.clone();
1024            window.defer(cx, |window, cx| {
1025                Self::handle_auth_required(
1026                    this,
1027                    AuthRequired {
1028                        description: None,
1029                        provider_id: None,
1030                    },
1031                    agent,
1032                    connection,
1033                    window,
1034                    cx,
1035                );
1036            });
1037            cx.notify();
1038            return;
1039        }
1040
1041        self.send_impl(self.message_editor.clone(), window, cx)
1042    }
1043
1044    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1045        let Some(thread) = self.thread().cloned() else {
1046            return;
1047        };
1048
1049        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1050
1051        cx.spawn_in(window, async move |this, cx| {
1052            cancelled.await;
1053
1054            this.update_in(cx, |this, window, cx| {
1055                this.send_impl(this.message_editor.clone(), window, cx);
1056            })
1057            .ok();
1058        })
1059        .detach();
1060    }
1061
1062    fn send_impl(
1063        &mut self,
1064        message_editor: Entity<MessageEditor>,
1065        window: &mut Window,
1066        cx: &mut Context<Self>,
1067    ) {
1068        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1069            // Include full contents when using minimal profile
1070            let thread = thread.read(cx);
1071            AgentSettings::get_global(cx)
1072                .profiles
1073                .get(thread.profile())
1074                .is_some_and(|profile| profile.tools.is_empty())
1075        });
1076
1077        let contents = message_editor.update(cx, |message_editor, cx| {
1078            message_editor.contents(full_mention_content, cx)
1079        });
1080
1081        let agent_telemetry_id = self.agent.telemetry_id();
1082
1083        self.thread_error.take();
1084        self.editing_message.take();
1085        self.thread_feedback.clear();
1086
1087        let Some(thread) = self.thread() else {
1088            return;
1089        };
1090        let thread = thread.downgrade();
1091        if self.should_be_following {
1092            self.workspace
1093                .update(cx, |workspace, cx| {
1094                    workspace.follow(CollaboratorId::Agent, window, cx);
1095                })
1096                .ok();
1097        }
1098
1099        self.is_loading_contents = true;
1100        let guard = cx.new(|_| ());
1101        cx.observe_release(&guard, |this, _guard, cx| {
1102            this.is_loading_contents = false;
1103            cx.notify();
1104        })
1105        .detach();
1106
1107        let task = cx.spawn_in(window, async move |this, cx| {
1108            let (contents, tracked_buffers) = contents.await?;
1109
1110            if contents.is_empty() {
1111                return Ok(());
1112            }
1113
1114            this.update_in(cx, |this, window, cx| {
1115                this.set_editor_is_expanded(false, cx);
1116                this.scroll_to_bottom(cx);
1117                this.message_editor.update(cx, |message_editor, cx| {
1118                    message_editor.clear(window, cx);
1119                });
1120            })?;
1121            let send = thread.update(cx, |thread, cx| {
1122                thread.action_log().update(cx, |action_log, cx| {
1123                    for buffer in tracked_buffers {
1124                        action_log.buffer_read(buffer, cx)
1125                    }
1126                });
1127                drop(guard);
1128
1129                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1130
1131                thread.send(contents, cx)
1132            })?;
1133            send.await
1134        });
1135
1136        cx.spawn(async move |this, cx| {
1137            if let Err(err) = task.await {
1138                this.update(cx, |this, cx| {
1139                    this.handle_thread_error(err, cx);
1140                })
1141                .ok();
1142            } else {
1143                this.update(cx, |this, cx| {
1144                    this.should_be_following = this
1145                        .workspace
1146                        .update(cx, |workspace, _| {
1147                            workspace.is_being_followed(CollaboratorId::Agent)
1148                        })
1149                        .unwrap_or_default();
1150                })
1151                .ok();
1152            }
1153        })
1154        .detach();
1155    }
1156
1157    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1158        let Some(thread) = self.thread().cloned() else {
1159            return;
1160        };
1161
1162        if let Some(index) = self.editing_message.take()
1163            && let Some(editor) = self
1164                .entry_view_state
1165                .read(cx)
1166                .entry(index)
1167                .and_then(|e| e.message_editor())
1168                .cloned()
1169        {
1170            editor.update(cx, |editor, cx| {
1171                if let Some(user_message) = thread
1172                    .read(cx)
1173                    .entries()
1174                    .get(index)
1175                    .and_then(|e| e.user_message())
1176                {
1177                    editor.set_message(user_message.chunks.clone(), window, cx);
1178                }
1179            })
1180        };
1181        self.focus_handle(cx).focus(window);
1182        cx.notify();
1183    }
1184
1185    fn regenerate(
1186        &mut self,
1187        entry_ix: usize,
1188        message_editor: Entity<MessageEditor>,
1189        window: &mut Window,
1190        cx: &mut Context<Self>,
1191    ) {
1192        let Some(thread) = self.thread().cloned() else {
1193            return;
1194        };
1195        if self.is_loading_contents {
1196            return;
1197        }
1198
1199        let Some(user_message_id) = thread.update(cx, |thread, _| {
1200            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1201        }) else {
1202            return;
1203        };
1204
1205        cx.spawn_in(window, async move |this, cx| {
1206            thread
1207                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1208                .await?;
1209            this.update_in(cx, |this, window, cx| {
1210                this.send_impl(message_editor, window, cx);
1211            })?;
1212            anyhow::Ok(())
1213        })
1214        .detach();
1215    }
1216
1217    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1218        if let Some(thread) = self.thread() {
1219            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1220        }
1221    }
1222
1223    fn open_edited_buffer(
1224        &mut self,
1225        buffer: &Entity<Buffer>,
1226        window: &mut Window,
1227        cx: &mut Context<Self>,
1228    ) {
1229        let Some(thread) = self.thread() else {
1230            return;
1231        };
1232
1233        let Some(diff) =
1234            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1235        else {
1236            return;
1237        };
1238
1239        diff.update(cx, |diff, cx| {
1240            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1241        })
1242    }
1243
1244    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1245        let Some(thread) = self.as_native_thread(cx) else {
1246            return;
1247        };
1248        let project_context = thread.read(cx).project_context().read(cx);
1249
1250        let project_entry_ids = project_context
1251            .worktrees
1252            .iter()
1253            .flat_map(|worktree| worktree.rules_file.as_ref())
1254            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1255            .collect::<Vec<_>>();
1256
1257        self.workspace
1258            .update(cx, move |workspace, cx| {
1259                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1260                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1261                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1262                let project = workspace.project().read(cx);
1263                let project_paths = project_entry_ids
1264                    .into_iter()
1265                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1266                    .collect::<Vec<_>>();
1267                for project_path in project_paths {
1268                    workspace
1269                        .open_path(project_path, None, true, window, cx)
1270                        .detach_and_log_err(cx);
1271                }
1272            })
1273            .ok();
1274    }
1275
1276    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1277        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1278        cx.notify();
1279    }
1280
1281    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1282        self.thread_error = None;
1283        cx.notify();
1284    }
1285
1286    fn handle_thread_event(
1287        &mut self,
1288        thread: &Entity<AcpThread>,
1289        event: &AcpThreadEvent,
1290        window: &mut Window,
1291        cx: &mut Context<Self>,
1292    ) {
1293        match event {
1294            AcpThreadEvent::NewEntry => {
1295                let len = thread.read(cx).entries().len();
1296                let index = len - 1;
1297                self.entry_view_state.update(cx, |view_state, cx| {
1298                    view_state.sync_entry(index, thread, window, cx);
1299                    self.list_state.splice_focusable(
1300                        index..index,
1301                        [view_state
1302                            .entry(index)
1303                            .and_then(|entry| entry.focus_handle(cx))],
1304                    );
1305                });
1306            }
1307            AcpThreadEvent::EntryUpdated(index) => {
1308                self.entry_view_state.update(cx, |view_state, cx| {
1309                    view_state.sync_entry(*index, thread, window, cx)
1310                });
1311            }
1312            AcpThreadEvent::EntriesRemoved(range) => {
1313                self.entry_view_state
1314                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1315                self.list_state.splice(range.clone(), 0);
1316            }
1317            AcpThreadEvent::ToolAuthorizationRequired => {
1318                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1319            }
1320            AcpThreadEvent::Retry(retry) => {
1321                self.thread_retry_status = Some(retry.clone());
1322            }
1323            AcpThreadEvent::Stopped => {
1324                self.thread_retry_status.take();
1325                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1326                self.notify_with_sound(
1327                    if used_tools {
1328                        "Finished running tools"
1329                    } else {
1330                        "New message"
1331                    },
1332                    IconName::ZedAssistant,
1333                    window,
1334                    cx,
1335                );
1336            }
1337            AcpThreadEvent::Refusal => {
1338                self.thread_retry_status.take();
1339                self.thread_error = Some(ThreadError::Refusal);
1340                let model_or_agent_name = self.get_current_model_name(cx);
1341                let notification_message =
1342                    format!("{} refused to respond to this request", model_or_agent_name);
1343                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1344            }
1345            AcpThreadEvent::Error => {
1346                self.thread_retry_status.take();
1347                self.notify_with_sound(
1348                    "Agent stopped due to an error",
1349                    IconName::Warning,
1350                    window,
1351                    cx,
1352                );
1353            }
1354            AcpThreadEvent::LoadError(error) => {
1355                self.thread_retry_status.take();
1356                self.thread_state = ThreadState::LoadError(error.clone());
1357                if self.message_editor.focus_handle(cx).is_focused(window) {
1358                    self.focus_handle.focus(window)
1359                }
1360            }
1361            AcpThreadEvent::TitleUpdated => {
1362                let title = thread.read(cx).title();
1363                if let Some(title_editor) = self.title_editor() {
1364                    title_editor.update(cx, |editor, cx| {
1365                        if editor.text(cx) != title {
1366                            editor.set_text(title, window, cx);
1367                        }
1368                    });
1369                }
1370            }
1371            AcpThreadEvent::PromptCapabilitiesUpdated => {
1372                self.prompt_capabilities
1373                    .replace(thread.read(cx).prompt_capabilities());
1374            }
1375            AcpThreadEvent::TokenUsageUpdated => {}
1376            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1377                let mut available_commands = available_commands.clone();
1378
1379                if thread
1380                    .read(cx)
1381                    .connection()
1382                    .auth_methods()
1383                    .iter()
1384                    .any(|method| method.id.0.as_ref() == "claude-login")
1385                {
1386                    available_commands.push(acp::AvailableCommand {
1387                        name: "login".to_owned(),
1388                        description: "Authenticate".to_owned(),
1389                        input: None,
1390                        meta: None,
1391                    });
1392                    available_commands.push(acp::AvailableCommand {
1393                        name: "logout".to_owned(),
1394                        description: "Authenticate".to_owned(),
1395                        input: None,
1396                        meta: None,
1397                    });
1398                }
1399
1400                self.available_commands.replace(available_commands);
1401            }
1402            AcpThreadEvent::ModeUpdated(_mode) => {
1403                // The connection keeps track of the mode
1404                cx.notify();
1405            }
1406        }
1407        cx.notify();
1408    }
1409
1410    fn authenticate(
1411        &mut self,
1412        method: acp::AuthMethodId,
1413        window: &mut Window,
1414        cx: &mut Context<Self>,
1415    ) {
1416        let ThreadState::Unauthenticated {
1417            connection,
1418            pending_auth_method,
1419            configuration_view,
1420            ..
1421        } = &mut self.thread_state
1422        else {
1423            return;
1424        };
1425
1426        if method.0.as_ref() == "gemini-api-key" {
1427            let registry = LanguageModelRegistry::global(cx);
1428            let provider = registry
1429                .read(cx)
1430                .provider(&language_model::GOOGLE_PROVIDER_ID)
1431                .unwrap();
1432            if !provider.is_authenticated(cx) {
1433                let this = cx.weak_entity();
1434                let agent = self.agent.clone();
1435                let connection = connection.clone();
1436                window.defer(cx, |window, cx| {
1437                    Self::handle_auth_required(
1438                        this,
1439                        AuthRequired {
1440                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1441                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1442                        },
1443                        agent,
1444                        connection,
1445                        window,
1446                        cx,
1447                    );
1448                });
1449                return;
1450            }
1451        } else if method.0.as_ref() == "anthropic-api-key" {
1452            let registry = LanguageModelRegistry::global(cx);
1453            let provider = registry
1454                .read(cx)
1455                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1456                .unwrap();
1457            let this = cx.weak_entity();
1458            let agent = self.agent.clone();
1459            let connection = connection.clone();
1460            window.defer(cx, move |window, cx| {
1461                if !provider.is_authenticated(cx) {
1462                    Self::handle_auth_required(
1463                        this,
1464                        AuthRequired {
1465                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1466                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1467                        },
1468                        agent,
1469                        connection,
1470                        window,
1471                        cx,
1472                    );
1473                } else {
1474                    this.update(cx, |this, cx| {
1475                        this.thread_state = Self::initial_state(
1476                            agent,
1477                            None,
1478                            this.workspace.clone(),
1479                            this.project.clone(),
1480                            window,
1481                            cx,
1482                        )
1483                    })
1484                    .ok();
1485                }
1486            });
1487            return;
1488        } else if method.0.as_ref() == "vertex-ai"
1489            && std::env::var("GOOGLE_API_KEY").is_err()
1490            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1491                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1492        {
1493            let this = cx.weak_entity();
1494            let agent = self.agent.clone();
1495            let connection = connection.clone();
1496
1497            window.defer(cx, |window, cx| {
1498                    Self::handle_auth_required(
1499                        this,
1500                        AuthRequired {
1501                            description: Some(
1502                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1503                                    .to_owned(),
1504                            ),
1505                            provider_id: None,
1506                        },
1507                        agent,
1508                        connection,
1509                        window,
1510                        cx,
1511                    )
1512                });
1513            return;
1514        }
1515
1516        self.thread_error.take();
1517        configuration_view.take();
1518        pending_auth_method.replace(method.clone());
1519        let authenticate = if (method.0.as_ref() == "claude-login"
1520            || method.0.as_ref() == "spawn-gemini-cli")
1521            && let Some(login) = self.login.clone()
1522        {
1523            if let Some(workspace) = self.workspace.upgrade() {
1524                Self::spawn_external_agent_login(login, workspace, false, window, cx)
1525            } else {
1526                Task::ready(Ok(()))
1527            }
1528        } else {
1529            connection.authenticate(method, cx)
1530        };
1531        cx.notify();
1532        self.auth_task =
1533            Some(cx.spawn_in(window, {
1534                let agent = self.agent.clone();
1535                async move |this, cx| {
1536                    let result = authenticate.await;
1537
1538                    match &result {
1539                        Ok(_) => telemetry::event!(
1540                            "Authenticate Agent Succeeded",
1541                            agent = agent.telemetry_id()
1542                        ),
1543                        Err(_) => {
1544                            telemetry::event!(
1545                                "Authenticate Agent Failed",
1546                                agent = agent.telemetry_id(),
1547                            )
1548                        }
1549                    }
1550
1551                    this.update_in(cx, |this, window, cx| {
1552                        if let Err(err) = result {
1553                            if let ThreadState::Unauthenticated {
1554                                pending_auth_method,
1555                                ..
1556                            } = &mut this.thread_state
1557                            {
1558                                pending_auth_method.take();
1559                            }
1560                            this.handle_thread_error(err, cx);
1561                        } else {
1562                            this.reset(window, cx);
1563                        }
1564                        this.auth_task.take()
1565                    })
1566                    .ok();
1567                }
1568            }));
1569    }
1570
1571    fn spawn_external_agent_login(
1572        login: task::SpawnInTerminal,
1573        workspace: Entity<Workspace>,
1574        previous_attempt: bool,
1575        window: &mut Window,
1576        cx: &mut App,
1577    ) -> Task<Result<()>> {
1578        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1579            return Task::ready(Ok(()));
1580        };
1581        let project = workspace.read(cx).project().clone();
1582        let cwd = project.read(cx).first_project_directory(cx);
1583        let shell = project.read(cx).terminal_settings(&cwd, cx).shell.clone();
1584
1585        window.spawn(cx, async move |cx| {
1586            let mut task = login.clone();
1587            task.command = task
1588                .command
1589                .map(|command| anyhow::Ok(shlex::try_quote(&command)?.to_string()))
1590                .transpose()?;
1591            task.args = task
1592                .args
1593                .iter()
1594                .map(|arg| {
1595                    Ok(shlex::try_quote(arg)
1596                        .context("Failed to quote argument")?
1597                        .to_string())
1598                })
1599                .collect::<Result<Vec<_>>>()?;
1600            task.full_label = task.label.clone();
1601            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1602            task.command_label = task.label.clone();
1603            task.use_new_terminal = true;
1604            task.allow_concurrent_runs = true;
1605            task.hide = task::HideStrategy::Always;
1606            task.shell = shell;
1607
1608            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1609                terminal_panel.spawn_task(&task, window, cx)
1610            })?;
1611
1612            let terminal = terminal.await?;
1613            let mut exit_status = terminal
1614                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1615                .fuse();
1616
1617            let logged_in = cx
1618                .spawn({
1619                    let terminal = terminal.clone();
1620                    async move |cx| {
1621                        loop {
1622                            cx.background_executor().timer(Duration::from_secs(1)).await;
1623                            let content =
1624                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1625                            if content.contains("Login successful")
1626                                || content.contains("Type your message")
1627                            {
1628                                return anyhow::Ok(());
1629                            }
1630                        }
1631                    }
1632                })
1633                .fuse();
1634            futures::pin_mut!(logged_in);
1635            futures::select_biased! {
1636                result = logged_in => {
1637                    if let Err(e) = result {
1638                        log::error!("{e}");
1639                        return Err(anyhow!("exited before logging in"));
1640                    }
1641                }
1642                _ = exit_status => {
1643                    if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1644                        return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, true, window, cx))?.await
1645                    }
1646                    return Err(anyhow!("exited before logging in"));
1647                }
1648            }
1649            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1650            Ok(())
1651        })
1652    }
1653
1654    fn authorize_tool_call(
1655        &mut self,
1656        tool_call_id: acp::ToolCallId,
1657        option_id: acp::PermissionOptionId,
1658        option_kind: acp::PermissionOptionKind,
1659        window: &mut Window,
1660        cx: &mut Context<Self>,
1661    ) {
1662        let Some(thread) = self.thread() else {
1663            return;
1664        };
1665        thread.update(cx, |thread, cx| {
1666            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1667        });
1668        if self.should_be_following {
1669            self.workspace
1670                .update(cx, |workspace, cx| {
1671                    workspace.follow(CollaboratorId::Agent, window, cx);
1672                })
1673                .ok();
1674        }
1675        cx.notify();
1676    }
1677
1678    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1679        let Some(thread) = self.thread() else {
1680            return;
1681        };
1682
1683        thread
1684            .update(cx, |thread, cx| {
1685                thread.restore_checkpoint(message_id.clone(), cx)
1686            })
1687            .detach_and_log_err(cx);
1688    }
1689
1690    fn render_entry(
1691        &self,
1692        entry_ix: usize,
1693        total_entries: usize,
1694        entry: &AgentThreadEntry,
1695        window: &mut Window,
1696        cx: &Context<Self>,
1697    ) -> AnyElement {
1698        let primary = match &entry {
1699            AgentThreadEntry::UserMessage(message) => {
1700                let Some(editor) = self
1701                    .entry_view_state
1702                    .read(cx)
1703                    .entry(entry_ix)
1704                    .and_then(|entry| entry.message_editor())
1705                    .cloned()
1706                else {
1707                    return Empty.into_any_element();
1708                };
1709
1710                let editing = self.editing_message == Some(entry_ix);
1711                let editor_focus = editor.focus_handle(cx).is_focused(window);
1712                let focus_border = cx.theme().colors().border_focused;
1713
1714                let rules_item = if entry_ix == 0 {
1715                    self.render_rules_item(cx)
1716                } else {
1717                    None
1718                };
1719
1720                let has_checkpoint_button = message
1721                    .checkpoint
1722                    .as_ref()
1723                    .is_some_and(|checkpoint| checkpoint.show);
1724
1725                let agent_name = self.agent.name();
1726
1727                v_flex()
1728                    .id(("user_message", entry_ix))
1729                    .map(|this| {
1730                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1731                            this.pt(rems_from_px(18.))
1732                        } else if rules_item.is_some() {
1733                            this.pt_3()
1734                        } else {
1735                            this.pt_2()
1736                        }
1737                    })
1738                    .pb_3()
1739                    .px_2()
1740                    .gap_1p5()
1741                    .w_full()
1742                    .children(rules_item)
1743                    .children(message.id.clone().and_then(|message_id| {
1744                        message.checkpoint.as_ref()?.show.then(|| {
1745                            h_flex()
1746                                .px_3()
1747                                .gap_2()
1748                                .child(Divider::horizontal())
1749                                .child(
1750                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1751                                        .icon(IconName::Undo)
1752                                        .icon_size(IconSize::XSmall)
1753                                        .icon_position(IconPosition::Start)
1754                                        .label_size(LabelSize::XSmall)
1755                                        .icon_color(Color::Muted)
1756                                        .color(Color::Muted)
1757                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1758                                        .on_click(cx.listener(move |this, _, _window, cx| {
1759                                            this.restore_checkpoint(&message_id, cx);
1760                                        }))
1761                                )
1762                                .child(Divider::horizontal())
1763                        })
1764                    }))
1765                    .child(
1766                        div()
1767                            .relative()
1768                            .child(
1769                                div()
1770                                    .py_3()
1771                                    .px_2()
1772                                    .rounded_md()
1773                                    .shadow_md()
1774                                    .bg(cx.theme().colors().editor_background)
1775                                    .border_1()
1776                                    .when(editing && !editor_focus, |this| this.border_dashed())
1777                                    .border_color(cx.theme().colors().border)
1778                                    .map(|this|{
1779                                        if editing && editor_focus {
1780                                            this.border_color(focus_border)
1781                                        } else if message.id.is_some() {
1782                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1783                                        } else {
1784                                            this
1785                                        }
1786                                    })
1787                                    .text_xs()
1788                                    .child(editor.clone().into_any_element()),
1789                            )
1790                            .when(editor_focus, |this| {
1791                                let base_container = h_flex()
1792                                    .absolute()
1793                                    .top_neg_3p5()
1794                                    .right_3()
1795                                    .gap_1()
1796                                    .rounded_sm()
1797                                    .border_1()
1798                                    .border_color(cx.theme().colors().border)
1799                                    .bg(cx.theme().colors().editor_background)
1800                                    .overflow_hidden();
1801
1802                                if message.id.is_some() {
1803                                    this.child(
1804                                        base_container
1805                                            .child(
1806                                                IconButton::new("cancel", IconName::Close)
1807                                                    .disabled(self.is_loading_contents)
1808                                                    .icon_color(Color::Error)
1809                                                    .icon_size(IconSize::XSmall)
1810                                                    .on_click(cx.listener(Self::cancel_editing))
1811                                            )
1812                                            .child(
1813                                                if self.is_loading_contents {
1814                                                    div()
1815                                                        .id("loading-edited-message-content")
1816                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1817                                                        .child(loading_contents_spinner(IconSize::XSmall))
1818                                                        .into_any_element()
1819                                                } else {
1820                                                    IconButton::new("regenerate", IconName::Return)
1821                                                        .icon_color(Color::Muted)
1822                                                        .icon_size(IconSize::XSmall)
1823                                                        .tooltip(Tooltip::text(
1824                                                            "Editing will restart the thread from this point."
1825                                                        ))
1826                                                        .on_click(cx.listener({
1827                                                            let editor = editor.clone();
1828                                                            move |this, _, window, cx| {
1829                                                                this.regenerate(
1830                                                                    entry_ix, editor.clone(), window, cx,
1831                                                                );
1832                                                            }
1833                                                        })).into_any_element()
1834                                                }
1835                                            )
1836                                    )
1837                                } else {
1838                                    this.child(
1839                                        base_container
1840                                            .border_dashed()
1841                                            .child(
1842                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1843                                                    .icon_size(IconSize::Small)
1844                                                    .icon_color(Color::Muted)
1845                                                    .style(ButtonStyle::Transparent)
1846                                                    .tooltip(move |_window, cx| {
1847                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1848                                                            .into()
1849                                                    })
1850                                            )
1851                                    )
1852                                }
1853                            }),
1854                    )
1855                    .into_any()
1856            }
1857            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1858                let is_last = entry_ix + 1 == total_entries;
1859
1860                let style = default_markdown_style(false, false, window, cx);
1861                let message_body = v_flex()
1862                    .w_full()
1863                    .gap_3()
1864                    .children(chunks.iter().enumerate().filter_map(
1865                        |(chunk_ix, chunk)| match chunk {
1866                            AssistantMessageChunk::Message { block } => {
1867                                block.markdown().map(|md| {
1868                                    self.render_markdown(md.clone(), style.clone())
1869                                        .into_any_element()
1870                                })
1871                            }
1872                            AssistantMessageChunk::Thought { block } => {
1873                                block.markdown().map(|md| {
1874                                    self.render_thinking_block(
1875                                        entry_ix,
1876                                        chunk_ix,
1877                                        md.clone(),
1878                                        window,
1879                                        cx,
1880                                    )
1881                                    .into_any_element()
1882                                })
1883                            }
1884                        },
1885                    ))
1886                    .into_any();
1887
1888                v_flex()
1889                    .px_5()
1890                    .py_1p5()
1891                    .when(is_last, |this| this.pb_4())
1892                    .w_full()
1893                    .text_ui(cx)
1894                    .child(message_body)
1895                    .into_any()
1896            }
1897            AgentThreadEntry::ToolCall(tool_call) => {
1898                let has_terminals = tool_call.terminals().next().is_some();
1899
1900                div().w_full().map(|this| {
1901                    if has_terminals {
1902                        this.children(tool_call.terminals().map(|terminal| {
1903                            self.render_terminal_tool_call(
1904                                entry_ix, terminal, tool_call, window, cx,
1905                            )
1906                        }))
1907                    } else {
1908                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1909                    }
1910                })
1911            }
1912            .into_any(),
1913        };
1914
1915        let Some(thread) = self.thread() else {
1916            return primary;
1917        };
1918
1919        let primary = if entry_ix == total_entries - 1 {
1920            v_flex()
1921                .w_full()
1922                .child(primary)
1923                .child(self.render_thread_controls(&thread, cx))
1924                .when_some(
1925                    self.thread_feedback.comments_editor.clone(),
1926                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1927                )
1928                .into_any_element()
1929        } else {
1930            primary
1931        };
1932
1933        if let Some(editing_index) = self.editing_message.as_ref()
1934            && *editing_index < entry_ix
1935        {
1936            let backdrop = div()
1937                .id(("backdrop", entry_ix))
1938                .size_full()
1939                .absolute()
1940                .inset_0()
1941                .bg(cx.theme().colors().panel_background)
1942                .opacity(0.8)
1943                .block_mouse_except_scroll()
1944                .on_click(cx.listener(Self::cancel_editing));
1945
1946            div()
1947                .relative()
1948                .child(primary)
1949                .child(backdrop)
1950                .into_any_element()
1951        } else {
1952            primary
1953        }
1954    }
1955
1956    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1957        cx.theme()
1958            .colors()
1959            .element_background
1960            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1961    }
1962
1963    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1964        cx.theme().colors().border.opacity(0.8)
1965    }
1966
1967    fn tool_name_font_size(&self) -> Rems {
1968        rems_from_px(13.)
1969    }
1970
1971    fn render_thinking_block(
1972        &self,
1973        entry_ix: usize,
1974        chunk_ix: usize,
1975        chunk: Entity<Markdown>,
1976        window: &Window,
1977        cx: &Context<Self>,
1978    ) -> AnyElement {
1979        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
1980        let card_header_id = SharedString::from("inner-card-header");
1981
1982        let key = (entry_ix, chunk_ix);
1983
1984        let is_open = self.expanded_thinking_blocks.contains(&key);
1985
1986        let scroll_handle = self
1987            .entry_view_state
1988            .read(cx)
1989            .entry(entry_ix)
1990            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
1991
1992        let thinking_content = {
1993            div()
1994                .id(("thinking-content", chunk_ix))
1995                .when_some(scroll_handle, |this, scroll_handle| {
1996                    this.track_scroll(&scroll_handle)
1997                })
1998                .text_ui_sm(cx)
1999                .overflow_hidden()
2000                .child(
2001                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2002                )
2003        };
2004
2005        v_flex()
2006            .gap_1()
2007            .child(
2008                h_flex()
2009                    .id(header_id)
2010                    .group(&card_header_id)
2011                    .relative()
2012                    .w_full()
2013                    .pr_1()
2014                    .justify_between()
2015                    .child(
2016                        h_flex()
2017                            .h(window.line_height() - px(2.))
2018                            .gap_1p5()
2019                            .overflow_hidden()
2020                            .child(
2021                                Icon::new(IconName::ToolThink)
2022                                    .size(IconSize::Small)
2023                                    .color(Color::Muted),
2024                            )
2025                            .child(
2026                                div()
2027                                    .text_size(self.tool_name_font_size())
2028                                    .text_color(cx.theme().colors().text_muted)
2029                                    .child("Thinking"),
2030                            ),
2031                    )
2032                    .child(
2033                        Disclosure::new(("expand", entry_ix), is_open)
2034                            .opened_icon(IconName::ChevronUp)
2035                            .closed_icon(IconName::ChevronDown)
2036                            .visible_on_hover(&card_header_id)
2037                            .on_click(cx.listener({
2038                                move |this, _event, _window, cx| {
2039                                    if is_open {
2040                                        this.expanded_thinking_blocks.remove(&key);
2041                                    } else {
2042                                        this.expanded_thinking_blocks.insert(key);
2043                                    }
2044                                    cx.notify();
2045                                }
2046                            })),
2047                    )
2048                    .on_click(cx.listener({
2049                        move |this, _event, _window, cx| {
2050                            if is_open {
2051                                this.expanded_thinking_blocks.remove(&key);
2052                            } else {
2053                                this.expanded_thinking_blocks.insert(key);
2054                            }
2055                            cx.notify();
2056                        }
2057                    })),
2058            )
2059            .when(is_open, |this| {
2060                this.child(
2061                    div()
2062                        .ml_1p5()
2063                        .pl_3p5()
2064                        .border_l_1()
2065                        .border_color(self.tool_card_border_color(cx))
2066                        .child(thinking_content),
2067                )
2068            })
2069            .into_any_element()
2070    }
2071
2072    fn render_tool_call(
2073        &self,
2074        entry_ix: usize,
2075        tool_call: &ToolCall,
2076        window: &Window,
2077        cx: &Context<Self>,
2078    ) -> Div {
2079        let has_location = tool_call.locations.len() == 1;
2080        let card_header_id = SharedString::from("inner-tool-call-header");
2081
2082        let failed_or_canceled = match &tool_call.status {
2083            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2084            _ => false,
2085        };
2086
2087        let needs_confirmation = matches!(
2088            tool_call.status,
2089            ToolCallStatus::WaitingForConfirmation { .. }
2090        );
2091        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2092        let is_edit =
2093            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2094
2095        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2096
2097        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2098
2099        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2100
2101        let tool_output_display =
2102            if is_open {
2103                match &tool_call.status {
2104                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2105                        .w_full()
2106                        .children(tool_call.content.iter().enumerate().map(
2107                            |(content_ix, content)| {
2108                                div()
2109                                    .child(self.render_tool_call_content(
2110                                        entry_ix,
2111                                        content,
2112                                        content_ix,
2113                                        tool_call,
2114                                        use_card_layout,
2115                                        window,
2116                                        cx,
2117                                    ))
2118                                    .into_any_element()
2119                            },
2120                        ))
2121                        .child(self.render_permission_buttons(
2122                            tool_call.kind,
2123                            options,
2124                            entry_ix,
2125                            tool_call.id.clone(),
2126                            window,
2127                            cx,
2128                        ))
2129                        .into_any(),
2130                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2131                        if is_edit
2132                            && tool_call.content.is_empty()
2133                            && self.as_native_connection(cx).is_some() =>
2134                    {
2135                        self.render_diff_loading(cx).into_any()
2136                    }
2137                    ToolCallStatus::Pending
2138                    | ToolCallStatus::InProgress
2139                    | ToolCallStatus::Completed
2140                    | ToolCallStatus::Failed
2141                    | ToolCallStatus::Canceled => v_flex()
2142                        .w_full()
2143                        .children(tool_call.content.iter().enumerate().map(
2144                            |(content_ix, content)| {
2145                                div().child(self.render_tool_call_content(
2146                                    entry_ix,
2147                                    content,
2148                                    content_ix,
2149                                    tool_call,
2150                                    use_card_layout,
2151                                    window,
2152                                    cx,
2153                                ))
2154                            },
2155                        ))
2156                        .into_any(),
2157                    ToolCallStatus::Rejected => Empty.into_any(),
2158                }
2159                .into()
2160            } else {
2161                None
2162            };
2163
2164        v_flex()
2165            .map(|this| {
2166                if use_card_layout {
2167                    this.my_1p5()
2168                        .rounded_md()
2169                        .border_1()
2170                        .border_color(self.tool_card_border_color(cx))
2171                        .bg(cx.theme().colors().editor_background)
2172                        .overflow_hidden()
2173                } else {
2174                    this.my_1()
2175                }
2176            })
2177            .map(|this| {
2178                if has_location && !use_card_layout {
2179                    this.ml_4()
2180                } else {
2181                    this.ml_5()
2182                }
2183            })
2184            .mr_5()
2185            .map(|this| {
2186                if is_terminal_tool {
2187                    this.child(
2188                        v_flex()
2189                            .p_1p5()
2190                            .gap_0p5()
2191                            .text_ui_sm(cx)
2192                            .bg(self.tool_card_header_bg(cx))
2193                            .child(
2194                                Label::new("Run Command")
2195                                    .buffer_font(cx)
2196                                    .size(LabelSize::XSmall)
2197                                    .color(Color::Muted),
2198                            )
2199                            .child(
2200                                MarkdownElement::new(
2201                                    tool_call.label.clone(),
2202                                    terminal_command_markdown_style(window, cx),
2203                                )
2204                                .code_block_renderer(
2205                                    markdown::CodeBlockRenderer::Default {
2206                                        copy_button: false,
2207                                        copy_button_on_hover: false,
2208                                        border: false,
2209                                    },
2210                                )
2211                            ),
2212                    )
2213                } else {
2214                   this.child(
2215                        h_flex()
2216                            .group(&card_header_id)
2217                            .relative()
2218                            .w_full()
2219                            .gap_1()
2220                            .justify_between()
2221                            .when(use_card_layout, |this| {
2222                                this.p_0p5()
2223                                    .rounded_t(rems_from_px(5.))
2224                                    .bg(self.tool_card_header_bg(cx))
2225                            })
2226                            .child(self.render_tool_call_label(
2227                                entry_ix,
2228                                tool_call,
2229                                is_edit,
2230                                use_card_layout,
2231                                window,
2232                                cx,
2233                            ))
2234                            .when(is_collapsible || failed_or_canceled, |this| {
2235                                this.child(
2236                                    h_flex()
2237                                        .px_1()
2238                                        .gap_px()
2239                                        .when(is_collapsible, |this| {
2240                                            this.child(
2241                                            Disclosure::new(("expand", entry_ix), is_open)
2242                                                .opened_icon(IconName::ChevronUp)
2243                                                .closed_icon(IconName::ChevronDown)
2244                                                .visible_on_hover(&card_header_id)
2245                                                .on_click(cx.listener({
2246                                                    let id = tool_call.id.clone();
2247                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2248                                                        if is_open {
2249                                                            this.expanded_tool_calls.remove(&id);
2250                                                        } else {
2251                                                            this.expanded_tool_calls.insert(id.clone());
2252                                                        }
2253                                                        cx.notify();
2254                                                    }
2255                                                })),
2256                                        )
2257                                        })
2258                                        .when(failed_or_canceled, |this| {
2259                                            this.child(
2260                                                Icon::new(IconName::Close)
2261                                                    .color(Color::Error)
2262                                                    .size(IconSize::Small),
2263                                            )
2264                                        }),
2265                                )
2266                            }),
2267                    )
2268                }
2269            })
2270            .children(tool_output_display)
2271    }
2272
2273    fn render_tool_call_label(
2274        &self,
2275        entry_ix: usize,
2276        tool_call: &ToolCall,
2277        is_edit: bool,
2278        use_card_layout: bool,
2279        window: &Window,
2280        cx: &Context<Self>,
2281    ) -> Div {
2282        let has_location = tool_call.locations.len() == 1;
2283
2284        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2285            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2286                .map(Icon::from_path)
2287                .unwrap_or(Icon::new(IconName::ToolPencil))
2288        } else {
2289            Icon::new(match tool_call.kind {
2290                acp::ToolKind::Read => IconName::ToolSearch,
2291                acp::ToolKind::Edit => IconName::ToolPencil,
2292                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2293                acp::ToolKind::Move => IconName::ArrowRightLeft,
2294                acp::ToolKind::Search => IconName::ToolSearch,
2295                acp::ToolKind::Execute => IconName::ToolTerminal,
2296                acp::ToolKind::Think => IconName::ToolThink,
2297                acp::ToolKind::Fetch => IconName::ToolWeb,
2298                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2299                acp::ToolKind::Other => IconName::ToolHammer,
2300            })
2301        }
2302        .size(IconSize::Small)
2303        .color(Color::Muted);
2304
2305        let gradient_overlay = {
2306            div()
2307                .absolute()
2308                .top_0()
2309                .right_0()
2310                .w_12()
2311                .h_full()
2312                .map(|this| {
2313                    if use_card_layout {
2314                        this.bg(linear_gradient(
2315                            90.,
2316                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2317                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2318                        ))
2319                    } else {
2320                        this.bg(linear_gradient(
2321                            90.,
2322                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2323                            linear_color_stop(
2324                                cx.theme().colors().panel_background.opacity(0.2),
2325                                0.,
2326                            ),
2327                        ))
2328                    }
2329                })
2330        };
2331
2332        h_flex()
2333            .relative()
2334            .w_full()
2335            .h(window.line_height() - px(2.))
2336            .text_size(self.tool_name_font_size())
2337            .gap_1p5()
2338            .when(has_location || use_card_layout, |this| this.px_1())
2339            .when(has_location, |this| {
2340                this.cursor(CursorStyle::PointingHand)
2341                    .rounded(rems_from_px(3.)) // Concentric border radius
2342                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2343            })
2344            .overflow_hidden()
2345            .child(tool_icon)
2346            .child(if has_location {
2347                h_flex()
2348                    .id(("open-tool-call-location", entry_ix))
2349                    .w_full()
2350                    .map(|this| {
2351                        if use_card_layout {
2352                            this.text_color(cx.theme().colors().text)
2353                        } else {
2354                            this.text_color(cx.theme().colors().text_muted)
2355                        }
2356                    })
2357                    .child(self.render_markdown(
2358                        tool_call.label.clone(),
2359                        MarkdownStyle {
2360                            prevent_mouse_interaction: true,
2361                            ..default_markdown_style(false, true, window, cx)
2362                        },
2363                    ))
2364                    .tooltip(Tooltip::text("Jump to File"))
2365                    .on_click(cx.listener(move |this, _, window, cx| {
2366                        this.open_tool_call_location(entry_ix, 0, window, cx);
2367                    }))
2368                    .into_any_element()
2369            } else {
2370                h_flex()
2371                    .w_full()
2372                    .child(self.render_markdown(
2373                        tool_call.label.clone(),
2374                        default_markdown_style(false, true, window, cx),
2375                    ))
2376                    .into_any()
2377            })
2378            .when(!is_edit, |this| this.child(gradient_overlay))
2379    }
2380
2381    fn render_tool_call_content(
2382        &self,
2383        entry_ix: usize,
2384        content: &ToolCallContent,
2385        context_ix: usize,
2386        tool_call: &ToolCall,
2387        card_layout: bool,
2388        window: &Window,
2389        cx: &Context<Self>,
2390    ) -> AnyElement {
2391        match content {
2392            ToolCallContent::ContentBlock(content) => {
2393                if let Some(resource_link) = content.resource_link() {
2394                    self.render_resource_link(resource_link, cx)
2395                } else if let Some(markdown) = content.markdown() {
2396                    self.render_markdown_output(
2397                        markdown.clone(),
2398                        tool_call.id.clone(),
2399                        context_ix,
2400                        card_layout,
2401                        window,
2402                        cx,
2403                    )
2404                } else {
2405                    Empty.into_any_element()
2406                }
2407            }
2408            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2409            ToolCallContent::Terminal(terminal) => {
2410                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2411            }
2412        }
2413    }
2414
2415    fn render_markdown_output(
2416        &self,
2417        markdown: Entity<Markdown>,
2418        tool_call_id: acp::ToolCallId,
2419        context_ix: usize,
2420        card_layout: bool,
2421        window: &Window,
2422        cx: &Context<Self>,
2423    ) -> AnyElement {
2424        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2425
2426        v_flex()
2427            .mt_1p5()
2428            .gap_2()
2429            .when(!card_layout, |this| {
2430                this.ml(rems(0.4))
2431                    .px_3p5()
2432                    .border_l_1()
2433                    .border_color(self.tool_card_border_color(cx))
2434            })
2435            .when(card_layout, |this| {
2436                this.px_2().pb_2().when(context_ix > 0, |this| {
2437                    this.border_t_1()
2438                        .pt_2()
2439                        .border_color(self.tool_card_border_color(cx))
2440                })
2441            })
2442            .text_xs()
2443            .text_color(cx.theme().colors().text_muted)
2444            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2445            .when(!card_layout, |this| {
2446                this.child(
2447                    IconButton::new(button_id, IconName::ChevronUp)
2448                        .full_width()
2449                        .style(ButtonStyle::Outlined)
2450                        .icon_color(Color::Muted)
2451                        .on_click(cx.listener({
2452                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2453                                this.expanded_tool_calls.remove(&tool_call_id);
2454                                cx.notify();
2455                            }
2456                        })),
2457                )
2458            })
2459            .into_any_element()
2460    }
2461
2462    fn render_resource_link(
2463        &self,
2464        resource_link: &acp::ResourceLink,
2465        cx: &Context<Self>,
2466    ) -> AnyElement {
2467        let uri: SharedString = resource_link.uri.clone().into();
2468        let is_file = resource_link.uri.strip_prefix("file://");
2469
2470        let label: SharedString = if let Some(abs_path) = is_file {
2471            if let Some(project_path) = self
2472                .project
2473                .read(cx)
2474                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2475                && let Some(worktree) = self
2476                    .project
2477                    .read(cx)
2478                    .worktree_for_id(project_path.worktree_id, cx)
2479            {
2480                worktree
2481                    .read(cx)
2482                    .full_path(&project_path.path)
2483                    .to_string_lossy()
2484                    .to_string()
2485                    .into()
2486            } else {
2487                abs_path.to_string().into()
2488            }
2489        } else {
2490            uri.clone()
2491        };
2492
2493        let button_id = SharedString::from(format!("item-{}", uri));
2494
2495        div()
2496            .ml(rems(0.4))
2497            .pl_2p5()
2498            .border_l_1()
2499            .border_color(self.tool_card_border_color(cx))
2500            .overflow_hidden()
2501            .child(
2502                Button::new(button_id, label)
2503                    .label_size(LabelSize::Small)
2504                    .color(Color::Muted)
2505                    .truncate(true)
2506                    .when(is_file.is_none(), |this| {
2507                        this.icon(IconName::ArrowUpRight)
2508                            .icon_size(IconSize::XSmall)
2509                            .icon_color(Color::Muted)
2510                    })
2511                    .on_click(cx.listener({
2512                        let workspace = self.workspace.clone();
2513                        move |_, _, window, cx: &mut Context<Self>| {
2514                            Self::open_link(uri.clone(), &workspace, window, cx);
2515                        }
2516                    })),
2517            )
2518            .into_any_element()
2519    }
2520
2521    fn render_permission_buttons(
2522        &self,
2523        kind: acp::ToolKind,
2524        options: &[acp::PermissionOption],
2525        entry_ix: usize,
2526        tool_call_id: acp::ToolCallId,
2527        window: &Window,
2528        cx: &Context<Self>,
2529    ) -> Div {
2530        let is_first = self.thread().is_some_and(|thread| {
2531            thread
2532                .read(cx)
2533                .first_tool_awaiting_confirmation()
2534                .is_some_and(|call| call.id == tool_call_id)
2535        });
2536        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2537
2538        div()
2539            .p_1()
2540            .border_t_1()
2541            .border_color(self.tool_card_border_color(cx))
2542            .w_full()
2543            .map(|this| {
2544                if kind == acp::ToolKind::SwitchMode {
2545                    this.v_flex()
2546                } else {
2547                    this.h_flex().justify_end().flex_wrap()
2548                }
2549            })
2550            .gap_0p5()
2551            .children(options.iter().map(move |option| {
2552                let option_id = SharedString::from(option.id.0.clone());
2553                Button::new((option_id, entry_ix), option.name.clone())
2554                    .map(|this| {
2555                        let (this, action) = match option.kind {
2556                            acp::PermissionOptionKind::AllowOnce => (
2557                                this.icon(IconName::Check).icon_color(Color::Success),
2558                                Some(&AllowOnce as &dyn Action),
2559                            ),
2560                            acp::PermissionOptionKind::AllowAlways => (
2561                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2562                                Some(&AllowAlways as &dyn Action),
2563                            ),
2564                            acp::PermissionOptionKind::RejectOnce => (
2565                                this.icon(IconName::Close).icon_color(Color::Error),
2566                                Some(&RejectOnce as &dyn Action),
2567                            ),
2568                            acp::PermissionOptionKind::RejectAlways => {
2569                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2570                            }
2571                        };
2572
2573                        let Some(action) = action else {
2574                            return this;
2575                        };
2576
2577                        if !is_first || seen_kinds.contains(&option.kind) {
2578                            return this;
2579                        }
2580
2581                        seen_kinds.push(option.kind);
2582
2583                        this.key_binding(
2584                            KeyBinding::for_action_in(action, &self.focus_handle, window, cx)
2585                                .map(|kb| kb.size(rems_from_px(10.))),
2586                        )
2587                    })
2588                    .icon_position(IconPosition::Start)
2589                    .icon_size(IconSize::XSmall)
2590                    .label_size(LabelSize::Small)
2591                    .on_click(cx.listener({
2592                        let tool_call_id = tool_call_id.clone();
2593                        let option_id = option.id.clone();
2594                        let option_kind = option.kind;
2595                        move |this, _, window, cx| {
2596                            this.authorize_tool_call(
2597                                tool_call_id.clone(),
2598                                option_id.clone(),
2599                                option_kind,
2600                                window,
2601                                cx,
2602                            );
2603                        }
2604                    }))
2605            }))
2606    }
2607
2608    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2609        let bar = |n: u64, width_class: &str| {
2610            let bg_color = cx.theme().colors().element_active;
2611            let base = h_flex().h_1().rounded_full();
2612
2613            let modified = match width_class {
2614                "w_4_5" => base.w_3_4(),
2615                "w_1_4" => base.w_1_4(),
2616                "w_2_4" => base.w_2_4(),
2617                "w_3_5" => base.w_3_5(),
2618                "w_2_5" => base.w_2_5(),
2619                _ => base.w_1_2(),
2620            };
2621
2622            modified.with_animation(
2623                ElementId::Integer(n),
2624                Animation::new(Duration::from_secs(2)).repeat(),
2625                move |tab, delta| {
2626                    let delta = (delta - 0.15 * n as f32) / 0.7;
2627                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2628                    let delta = ease_in_out(delta.clamp(0., 1.));
2629                    let delta = 0.1 + 0.9 * delta;
2630
2631                    tab.bg(bg_color.opacity(delta))
2632                },
2633            )
2634        };
2635
2636        v_flex()
2637            .p_3()
2638            .gap_1()
2639            .rounded_b_md()
2640            .bg(cx.theme().colors().editor_background)
2641            .child(bar(0, "w_4_5"))
2642            .child(bar(1, "w_1_4"))
2643            .child(bar(2, "w_2_4"))
2644            .child(bar(3, "w_3_5"))
2645            .child(bar(4, "w_2_5"))
2646            .into_any_element()
2647    }
2648
2649    fn render_diff_editor(
2650        &self,
2651        entry_ix: usize,
2652        diff: &Entity<acp_thread::Diff>,
2653        tool_call: &ToolCall,
2654        cx: &Context<Self>,
2655    ) -> AnyElement {
2656        let tool_progress = matches!(
2657            &tool_call.status,
2658            ToolCallStatus::InProgress | ToolCallStatus::Pending
2659        );
2660
2661        v_flex()
2662            .h_full()
2663            .border_t_1()
2664            .border_color(self.tool_card_border_color(cx))
2665            .child(
2666                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2667                    && let Some(editor) = entry.editor_for_diff(diff)
2668                    && diff.read(cx).has_revealed_range(cx)
2669                {
2670                    editor.into_any_element()
2671                } else if tool_progress && self.as_native_connection(cx).is_some() {
2672                    self.render_diff_loading(cx)
2673                } else {
2674                    Empty.into_any()
2675                },
2676            )
2677            .into_any()
2678    }
2679
2680    fn render_terminal_tool_call(
2681        &self,
2682        entry_ix: usize,
2683        terminal: &Entity<acp_thread::Terminal>,
2684        tool_call: &ToolCall,
2685        window: &Window,
2686        cx: &Context<Self>,
2687    ) -> AnyElement {
2688        let terminal_data = terminal.read(cx);
2689        let working_dir = terminal_data.working_dir();
2690        let command = terminal_data.command();
2691        let started_at = terminal_data.started_at();
2692
2693        let tool_failed = matches!(
2694            &tool_call.status,
2695            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2696        );
2697
2698        let output = terminal_data.output();
2699        let command_finished = output.is_some();
2700        let truncated_output =
2701            output.is_some_and(|output| output.original_content_len > output.content.len());
2702        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2703
2704        let command_failed = command_finished
2705            && output.is_some_and(|o| o.exit_status.is_none_or(|status| !status.success()));
2706
2707        let time_elapsed = if let Some(output) = output {
2708            output.ended_at.duration_since(started_at)
2709        } else {
2710            started_at.elapsed()
2711        };
2712
2713        let header_id =
2714            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2715        let header_group = SharedString::from(format!(
2716            "terminal-tool-header-group-{}",
2717            terminal.entity_id()
2718        ));
2719        let header_bg = cx
2720            .theme()
2721            .colors()
2722            .element_background
2723            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2724        let border_color = cx.theme().colors().border.opacity(0.6);
2725
2726        let working_dir = working_dir
2727            .as_ref()
2728            .map(|path| format!("{}", path.display()))
2729            .unwrap_or_else(|| "current directory".to_string());
2730
2731        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2732
2733        let header = h_flex()
2734            .id(header_id)
2735            .flex_none()
2736            .gap_1()
2737            .justify_between()
2738            .rounded_t_md()
2739            .child(
2740                div()
2741                    .id(("command-target-path", terminal.entity_id()))
2742                    .w_full()
2743                    .max_w_full()
2744                    .overflow_x_scroll()
2745                    .child(
2746                        Label::new(working_dir)
2747                            .buffer_font(cx)
2748                            .size(LabelSize::XSmall)
2749                            .color(Color::Muted),
2750                    ),
2751            )
2752            .when(!command_finished, |header| {
2753                header
2754                    .gap_1p5()
2755                    .child(
2756                        Button::new(
2757                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2758                            "Stop",
2759                        )
2760                        .icon(IconName::Stop)
2761                        .icon_position(IconPosition::Start)
2762                        .icon_size(IconSize::Small)
2763                        .icon_color(Color::Error)
2764                        .label_size(LabelSize::Small)
2765                        .tooltip(move |window, cx| {
2766                            Tooltip::with_meta(
2767                                "Stop This Command",
2768                                None,
2769                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2770                                window,
2771                                cx,
2772                            )
2773                        })
2774                        .on_click({
2775                            let terminal = terminal.clone();
2776                            cx.listener(move |_this, _event, _window, cx| {
2777                                let inner_terminal = terminal.read(cx).inner().clone();
2778                                inner_terminal.update(cx, |inner_terminal, _cx| {
2779                                    inner_terminal.kill_active_task();
2780                                });
2781                            })
2782                        }),
2783                    )
2784                    .child(Divider::vertical())
2785                    .child(
2786                        Icon::new(IconName::ArrowCircle)
2787                            .size(IconSize::XSmall)
2788                            .color(Color::Info)
2789                            .with_rotate_animation(2)
2790                    )
2791            })
2792            .when(truncated_output, |header| {
2793                let tooltip = if let Some(output) = output {
2794                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2795                       format!("Output exceeded terminal max lines and was \
2796                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2797                    } else {
2798                        format!(
2799                            "Output is {} long, and to avoid unexpected token usage, \
2800                                only {} was sent back to the agent.",
2801                            format_file_size(output.original_content_len as u64, true),
2802                             format_file_size(output.content.len() as u64, true)
2803                        )
2804                    }
2805                } else {
2806                    "Output was truncated".to_string()
2807                };
2808
2809                header.child(
2810                    h_flex()
2811                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2812                        .gap_1()
2813                        .child(
2814                            Icon::new(IconName::Info)
2815                                .size(IconSize::XSmall)
2816                                .color(Color::Ignored),
2817                        )
2818                        .child(
2819                            Label::new("Truncated")
2820                                .color(Color::Muted)
2821                                .size(LabelSize::XSmall),
2822                        )
2823                        .tooltip(Tooltip::text(tooltip)),
2824                )
2825            })
2826            .when(time_elapsed > Duration::from_secs(10), |header| {
2827                header.child(
2828                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2829                        .buffer_font(cx)
2830                        .color(Color::Muted)
2831                        .size(LabelSize::XSmall),
2832                )
2833            })
2834            .when(tool_failed || command_failed, |header| {
2835                header.child(
2836                    div()
2837                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2838                        .child(
2839                            Icon::new(IconName::Close)
2840                                .size(IconSize::Small)
2841                                .color(Color::Error),
2842                        )
2843                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2844                            this.tooltip(Tooltip::text(format!(
2845                                "Exited with code {}",
2846                                status.code().unwrap_or(-1),
2847                            )))
2848                        }),
2849                )
2850            })
2851            .child(
2852                Disclosure::new(
2853                    SharedString::from(format!(
2854                        "terminal-tool-disclosure-{}",
2855                        terminal.entity_id()
2856                    )),
2857                    is_expanded,
2858                )
2859                .opened_icon(IconName::ChevronUp)
2860                .closed_icon(IconName::ChevronDown)
2861                .visible_on_hover(&header_group)
2862                .on_click(cx.listener({
2863                    let id = tool_call.id.clone();
2864                    move |this, _event, _window, _cx| {
2865                        if is_expanded {
2866                            this.expanded_tool_calls.remove(&id);
2867                        } else {
2868                            this.expanded_tool_calls.insert(id.clone());
2869                        }
2870                    }
2871                })),
2872            );
2873
2874        let terminal_view = self
2875            .entry_view_state
2876            .read(cx)
2877            .entry(entry_ix)
2878            .and_then(|entry| entry.terminal(terminal));
2879        let show_output = is_expanded && terminal_view.is_some();
2880
2881        v_flex()
2882            .my_1p5()
2883            .mx_5()
2884            .border_1()
2885            .when(tool_failed || command_failed, |card| card.border_dashed())
2886            .border_color(border_color)
2887            .rounded_md()
2888            .overflow_hidden()
2889            .child(
2890                v_flex()
2891                    .group(&header_group)
2892                    .py_1p5()
2893                    .pr_1p5()
2894                    .pl_2()
2895                    .gap_0p5()
2896                    .bg(header_bg)
2897                    .text_xs()
2898                    .child(header)
2899                    .child(
2900                        MarkdownElement::new(
2901                            command.clone(),
2902                            terminal_command_markdown_style(window, cx),
2903                        )
2904                        .code_block_renderer(
2905                            markdown::CodeBlockRenderer::Default {
2906                                copy_button: false,
2907                                copy_button_on_hover: true,
2908                                border: false,
2909                            },
2910                        ),
2911                    ),
2912            )
2913            .when(show_output, |this| {
2914                this.child(
2915                    div()
2916                        .pt_2()
2917                        .border_t_1()
2918                        .when(tool_failed || command_failed, |card| card.border_dashed())
2919                        .border_color(border_color)
2920                        .bg(cx.theme().colors().editor_background)
2921                        .rounded_b_md()
2922                        .text_ui_sm(cx)
2923                        .h_full()
2924                        .children(terminal_view.map(|terminal_view| {
2925                            if terminal_view
2926                                .read(cx)
2927                                .content_mode(window, cx)
2928                                .is_scrollable()
2929                            {
2930                                div().h_72().child(terminal_view).into_any_element()
2931                            } else {
2932                                terminal_view.into_any_element()
2933                            }
2934                        })),
2935                )
2936            })
2937            .into_any()
2938    }
2939
2940    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2941        let project_context = self
2942            .as_native_thread(cx)?
2943            .read(cx)
2944            .project_context()
2945            .read(cx);
2946
2947        let user_rules_text = if project_context.user_rules.is_empty() {
2948            None
2949        } else if project_context.user_rules.len() == 1 {
2950            let user_rules = &project_context.user_rules[0];
2951
2952            match user_rules.title.as_ref() {
2953                Some(title) => Some(format!("Using \"{title}\" user rule")),
2954                None => Some("Using user rule".into()),
2955            }
2956        } else {
2957            Some(format!(
2958                "Using {} user rules",
2959                project_context.user_rules.len()
2960            ))
2961        };
2962
2963        let first_user_rules_id = project_context
2964            .user_rules
2965            .first()
2966            .map(|user_rules| user_rules.uuid.0);
2967
2968        let rules_files = project_context
2969            .worktrees
2970            .iter()
2971            .filter_map(|worktree| worktree.rules_file.as_ref())
2972            .collect::<Vec<_>>();
2973
2974        let rules_file_text = match rules_files.as_slice() {
2975            &[] => None,
2976            &[rules_file] => Some(format!(
2977                "Using project {:?} file",
2978                rules_file.path_in_worktree
2979            )),
2980            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
2981        };
2982
2983        if user_rules_text.is_none() && rules_file_text.is_none() {
2984            return None;
2985        }
2986
2987        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
2988
2989        Some(
2990            h_flex()
2991                .px_2p5()
2992                .child(
2993                    Icon::new(IconName::Attach)
2994                        .size(IconSize::XSmall)
2995                        .color(Color::Disabled),
2996                )
2997                .when_some(user_rules_text, |parent, user_rules_text| {
2998                    parent.child(
2999                        h_flex()
3000                            .id("user-rules")
3001                            .ml_1()
3002                            .mr_1p5()
3003                            .child(
3004                                Label::new(user_rules_text)
3005                                    .size(LabelSize::XSmall)
3006                                    .color(Color::Muted)
3007                                    .truncate(),
3008                            )
3009                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3010                            .tooltip(Tooltip::text("View User Rules"))
3011                            .on_click(move |_event, window, cx| {
3012                                window.dispatch_action(
3013                                    Box::new(OpenRulesLibrary {
3014                                        prompt_to_select: first_user_rules_id,
3015                                    }),
3016                                    cx,
3017                                )
3018                            }),
3019                    )
3020                })
3021                .when(has_both, |this| {
3022                    this.child(
3023                        Label::new("")
3024                            .size(LabelSize::XSmall)
3025                            .color(Color::Disabled),
3026                    )
3027                })
3028                .when_some(rules_file_text, |parent, rules_file_text| {
3029                    parent.child(
3030                        h_flex()
3031                            .id("project-rules")
3032                            .ml_1p5()
3033                            .child(
3034                                Label::new(rules_file_text)
3035                                    .size(LabelSize::XSmall)
3036                                    .color(Color::Muted),
3037                            )
3038                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3039                            .tooltip(Tooltip::text("View Project Rules"))
3040                            .on_click(cx.listener(Self::handle_open_rules)),
3041                    )
3042                })
3043                .into_any(),
3044        )
3045    }
3046
3047    fn render_empty_state_section_header(
3048        &self,
3049        label: impl Into<SharedString>,
3050        action_slot: Option<AnyElement>,
3051        cx: &mut Context<Self>,
3052    ) -> impl IntoElement {
3053        div().pl_1().pr_1p5().child(
3054            h_flex()
3055                .mt_2()
3056                .pl_1p5()
3057                .pb_1()
3058                .w_full()
3059                .justify_between()
3060                .border_b_1()
3061                .border_color(cx.theme().colors().border_variant)
3062                .child(
3063                    Label::new(label.into())
3064                        .size(LabelSize::Small)
3065                        .color(Color::Muted),
3066                )
3067                .children(action_slot),
3068        )
3069    }
3070
3071    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3072        let render_history = self
3073            .agent
3074            .clone()
3075            .downcast::<agent2::NativeAgentServer>()
3076            .is_some()
3077            && self
3078                .history_store
3079                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3080
3081        v_flex()
3082            .size_full()
3083            .when(render_history, |this| {
3084                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3085                    history_store.entries().take(3).collect()
3086                });
3087                this.justify_end().child(
3088                    v_flex()
3089                        .child(
3090                            self.render_empty_state_section_header(
3091                                "Recent",
3092                                Some(
3093                                    Button::new("view-history", "View All")
3094                                        .style(ButtonStyle::Subtle)
3095                                        .label_size(LabelSize::Small)
3096                                        .key_binding(
3097                                            KeyBinding::for_action_in(
3098                                                &OpenHistory,
3099                                                &self.focus_handle(cx),
3100                                                window,
3101                                                cx,
3102                                            )
3103                                            .map(|kb| kb.size(rems_from_px(12.))),
3104                                        )
3105                                        .on_click(move |_event, window, cx| {
3106                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3107                                        })
3108                                        .into_any_element(),
3109                                ),
3110                                cx,
3111                            ),
3112                        )
3113                        .child(
3114                            v_flex().p_1().pr_1p5().gap_1().children(
3115                                recent_history
3116                                    .into_iter()
3117                                    .enumerate()
3118                                    .map(|(index, entry)| {
3119                                        // TODO: Add keyboard navigation.
3120                                        let is_hovered =
3121                                            self.hovered_recent_history_item == Some(index);
3122                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3123                                            entry,
3124                                            cx.entity().downgrade(),
3125                                        )
3126                                        .hovered(is_hovered)
3127                                        .on_hover(cx.listener(
3128                                            move |this, is_hovered, _window, cx| {
3129                                                if *is_hovered {
3130                                                    this.hovered_recent_history_item = Some(index);
3131                                                } else if this.hovered_recent_history_item
3132                                                    == Some(index)
3133                                                {
3134                                                    this.hovered_recent_history_item = None;
3135                                                }
3136                                                cx.notify();
3137                                            },
3138                                        ))
3139                                        .into_any_element()
3140                                    }),
3141                            ),
3142                        ),
3143                )
3144            })
3145            .into_any()
3146    }
3147
3148    fn render_auth_required_state(
3149        &self,
3150        connection: &Rc<dyn AgentConnection>,
3151        description: Option<&Entity<Markdown>>,
3152        configuration_view: Option<&AnyView>,
3153        pending_auth_method: Option<&acp::AuthMethodId>,
3154        window: &mut Window,
3155        cx: &Context<Self>,
3156    ) -> Div {
3157        let show_description =
3158            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3159
3160        let auth_methods = connection.auth_methods();
3161
3162        v_flex().flex_1().size_full().justify_end().child(
3163            v_flex()
3164                .p_2()
3165                .pr_3()
3166                .w_full()
3167                .gap_1()
3168                .border_t_1()
3169                .border_color(cx.theme().colors().border)
3170                .bg(cx.theme().status().warning.opacity(0.04))
3171                .child(
3172                    h_flex()
3173                        .gap_1p5()
3174                        .child(
3175                            Icon::new(IconName::Warning)
3176                                .color(Color::Warning)
3177                                .size(IconSize::Small),
3178                        )
3179                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3180                )
3181                .children(description.map(|desc| {
3182                    div().text_ui(cx).child(self.render_markdown(
3183                        desc.clone(),
3184                        default_markdown_style(false, false, window, cx),
3185                    ))
3186                }))
3187                .children(
3188                    configuration_view
3189                        .cloned()
3190                        .map(|view| div().w_full().child(view)),
3191                )
3192                .when(show_description, |el| {
3193                    el.child(
3194                        Label::new(format!(
3195                            "You are not currently authenticated with {}.{}",
3196                            self.agent.name(),
3197                            if auth_methods.len() > 1 {
3198                                " Please choose one of the following options:"
3199                            } else {
3200                                ""
3201                            }
3202                        ))
3203                        .size(LabelSize::Small)
3204                        .color(Color::Muted)
3205                        .mb_1()
3206                        .ml_5(),
3207                    )
3208                })
3209                .when_some(pending_auth_method, |el, _| {
3210                    el.child(
3211                        h_flex()
3212                            .py_4()
3213                            .w_full()
3214                            .justify_center()
3215                            .gap_1()
3216                            .child(
3217                                Icon::new(IconName::ArrowCircle)
3218                                    .size(IconSize::Small)
3219                                    .color(Color::Muted)
3220                                    .with_rotate_animation(2),
3221                            )
3222                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3223                    )
3224                })
3225                .when(!auth_methods.is_empty(), |this| {
3226                    this.child(
3227                        h_flex()
3228                            .justify_end()
3229                            .flex_wrap()
3230                            .gap_1()
3231                            .when(!show_description, |this| {
3232                                this.border_t_1()
3233                                    .mt_1()
3234                                    .pt_2()
3235                                    .border_color(cx.theme().colors().border.opacity(0.8))
3236                            })
3237                            .children(connection.auth_methods().iter().enumerate().rev().map(
3238                                |(ix, method)| {
3239                                    let (method_id, name) = if self
3240                                        .project
3241                                        .read(cx)
3242                                        .is_via_remote_server()
3243                                        && method.id.0.as_ref() == "oauth-personal"
3244                                        && method.name == "Log in with Google"
3245                                    {
3246                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3247                                    } else {
3248                                        (method.id.0.clone(), method.name.clone())
3249                                    };
3250
3251                                    Button::new(SharedString::from(method_id.clone()), name)
3252                                        .label_size(LabelSize::Small)
3253                                        .map(|this| {
3254                                            if ix == 0 {
3255                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3256                                            } else {
3257                                                this.style(ButtonStyle::Outlined)
3258                                            }
3259                                        })
3260                                        .on_click({
3261                                            cx.listener(move |this, _, window, cx| {
3262                                                telemetry::event!(
3263                                                    "Authenticate Agent Started",
3264                                                    agent = this.agent.telemetry_id(),
3265                                                    method = method_id
3266                                                );
3267
3268                                                this.authenticate(
3269                                                    acp::AuthMethodId(method_id.clone()),
3270                                                    window,
3271                                                    cx,
3272                                                )
3273                                            })
3274                                        })
3275                                },
3276                            )),
3277                    )
3278                }),
3279        )
3280    }
3281
3282    fn render_load_error(
3283        &self,
3284        e: &LoadError,
3285        window: &mut Window,
3286        cx: &mut Context<Self>,
3287    ) -> AnyElement {
3288        let (title, message, action_slot): (_, SharedString, _) = match e {
3289            LoadError::Unsupported {
3290                command: path,
3291                current_version,
3292                minimum_version,
3293            } => {
3294                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3295            }
3296            LoadError::FailedToInstall(msg) => (
3297                "Failed to Install",
3298                msg.into(),
3299                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3300            ),
3301            LoadError::Exited { status } => (
3302                "Failed to Launch",
3303                format!("Server exited with status {status}").into(),
3304                None,
3305            ),
3306            LoadError::Other(msg) => (
3307                "Failed to Launch",
3308                msg.into(),
3309                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3310            ),
3311        };
3312
3313        Callout::new()
3314            .severity(Severity::Error)
3315            .icon(IconName::XCircleFilled)
3316            .title(title)
3317            .description(message)
3318            .actions_slot(div().children(action_slot))
3319            .into_any_element()
3320    }
3321
3322    fn render_unsupported(
3323        &self,
3324        path: &SharedString,
3325        version: &SharedString,
3326        minimum_version: &SharedString,
3327        _window: &mut Window,
3328        cx: &mut Context<Self>,
3329    ) -> AnyElement {
3330        let (heading_label, description_label) = (
3331            format!("Upgrade {} to work with Zed", self.agent.name()),
3332            if version.is_empty() {
3333                format!(
3334                    "Currently using {}, which does not report a valid --version",
3335                    path,
3336                )
3337            } else {
3338                format!(
3339                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3340                    path, version
3341                )
3342            },
3343        );
3344
3345        v_flex()
3346            .w_full()
3347            .p_3p5()
3348            .gap_2p5()
3349            .border_t_1()
3350            .border_color(cx.theme().colors().border)
3351            .bg(linear_gradient(
3352                180.,
3353                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3354                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3355            ))
3356            .child(
3357                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3358                    Label::new(description_label)
3359                        .size(LabelSize::Small)
3360                        .color(Color::Muted),
3361                ),
3362            )
3363            .into_any_element()
3364    }
3365
3366    fn render_activity_bar(
3367        &self,
3368        thread_entity: &Entity<AcpThread>,
3369        window: &mut Window,
3370        cx: &Context<Self>,
3371    ) -> Option<AnyElement> {
3372        let thread = thread_entity.read(cx);
3373        let action_log = thread.action_log();
3374        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3375        let plan = thread.plan();
3376
3377        if changed_buffers.is_empty() && plan.is_empty() {
3378            return None;
3379        }
3380
3381        let editor_bg_color = cx.theme().colors().editor_background;
3382        let active_color = cx.theme().colors().element_selected;
3383        let bg_edit_files_disclosure = editor_bg_color.blend(active_color.opacity(0.3));
3384
3385        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3386        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3387        // be, which blocks you from being able to accept or reject edits. This switches the
3388        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3389        // block you from using the panel.
3390        let pending_edits = false;
3391
3392        v_flex()
3393            .mt_1()
3394            .mx_2()
3395            .bg(bg_edit_files_disclosure)
3396            .border_1()
3397            .border_b_0()
3398            .border_color(cx.theme().colors().border)
3399            .rounded_t_md()
3400            .shadow(vec![gpui::BoxShadow {
3401                color: gpui::black().opacity(0.15),
3402                offset: point(px(1.), px(-1.)),
3403                blur_radius: px(3.),
3404                spread_radius: px(0.),
3405            }])
3406            .when(!plan.is_empty(), |this| {
3407                this.child(self.render_plan_summary(plan, window, cx))
3408                    .when(self.plan_expanded, |parent| {
3409                        parent.child(self.render_plan_entries(plan, window, cx))
3410                    })
3411            })
3412            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3413                this.child(Divider::horizontal().color(DividerColor::Border))
3414            })
3415            .when(!changed_buffers.is_empty(), |this| {
3416                this.child(self.render_edits_summary(
3417                    &changed_buffers,
3418                    self.edits_expanded,
3419                    pending_edits,
3420                    window,
3421                    cx,
3422                ))
3423                .when(self.edits_expanded, |parent| {
3424                    parent.child(self.render_edited_files(
3425                        action_log,
3426                        &changed_buffers,
3427                        pending_edits,
3428                        cx,
3429                    ))
3430                })
3431            })
3432            .into_any()
3433            .into()
3434    }
3435
3436    fn render_plan_summary(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3437        let stats = plan.stats();
3438
3439        let title = if let Some(entry) = stats.in_progress_entry
3440            && !self.plan_expanded
3441        {
3442            h_flex()
3443                .w_full()
3444                .cursor_default()
3445                .gap_1()
3446                .text_xs()
3447                .text_color(cx.theme().colors().text_muted)
3448                .justify_between()
3449                .child(
3450                    h_flex()
3451                        .gap_1()
3452                        .child(
3453                            Label::new("Current:")
3454                                .size(LabelSize::Small)
3455                                .color(Color::Muted),
3456                        )
3457                        .child(MarkdownElement::new(
3458                            entry.content.clone(),
3459                            plan_label_markdown_style(&entry.status, window, cx),
3460                        )),
3461                )
3462                .when(stats.pending > 0, |this| {
3463                    this.child(
3464                        Label::new(format!("{} left", stats.pending))
3465                            .size(LabelSize::Small)
3466                            .color(Color::Muted)
3467                            .mr_1(),
3468                    )
3469                })
3470        } else {
3471            let status_label = if stats.pending == 0 {
3472                "All Done".to_string()
3473            } else if stats.completed == 0 {
3474                format!("{} Tasks", plan.entries.len())
3475            } else {
3476                format!("{}/{}", stats.completed, plan.entries.len())
3477            };
3478
3479            h_flex()
3480                .w_full()
3481                .gap_1()
3482                .justify_between()
3483                .child(
3484                    Label::new("Plan")
3485                        .size(LabelSize::Small)
3486                        .color(Color::Muted),
3487                )
3488                .child(
3489                    Label::new(status_label)
3490                        .size(LabelSize::Small)
3491                        .color(Color::Muted)
3492                        .mr_1(),
3493                )
3494        };
3495
3496        h_flex()
3497            .p_1()
3498            .justify_between()
3499            .when(self.plan_expanded, |this| {
3500                this.border_b_1().border_color(cx.theme().colors().border)
3501            })
3502            .child(
3503                h_flex()
3504                    .id("plan_summary")
3505                    .w_full()
3506                    .gap_1()
3507                    .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3508                    .child(title)
3509                    .on_click(cx.listener(|this, _, _, cx| {
3510                        this.plan_expanded = !this.plan_expanded;
3511                        cx.notify();
3512                    })),
3513            )
3514    }
3515
3516    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3517        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3518            let element = h_flex()
3519                .py_1()
3520                .px_2()
3521                .gap_2()
3522                .justify_between()
3523                .bg(cx.theme().colors().editor_background)
3524                .when(index < plan.entries.len() - 1, |parent| {
3525                    parent.border_color(cx.theme().colors().border).border_b_1()
3526                })
3527                .child(
3528                    h_flex()
3529                        .id(("plan_entry", index))
3530                        .gap_1p5()
3531                        .max_w_full()
3532                        .overflow_x_scroll()
3533                        .text_xs()
3534                        .text_color(cx.theme().colors().text_muted)
3535                        .child(match entry.status {
3536                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3537                                .size(IconSize::Small)
3538                                .color(Color::Muted)
3539                                .into_any_element(),
3540                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3541                                .size(IconSize::Small)
3542                                .color(Color::Accent)
3543                                .with_rotate_animation(2)
3544                                .into_any_element(),
3545                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3546                                .size(IconSize::Small)
3547                                .color(Color::Success)
3548                                .into_any_element(),
3549                        })
3550                        .child(MarkdownElement::new(
3551                            entry.content.clone(),
3552                            plan_label_markdown_style(&entry.status, window, cx),
3553                        )),
3554                );
3555
3556            Some(element)
3557        }))
3558    }
3559
3560    fn render_edits_summary(
3561        &self,
3562        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3563        expanded: bool,
3564        pending_edits: bool,
3565        window: &mut Window,
3566        cx: &Context<Self>,
3567    ) -> Div {
3568        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3569
3570        let focus_handle = self.focus_handle(cx);
3571
3572        h_flex()
3573            .p_1()
3574            .justify_between()
3575            .flex_wrap()
3576            .when(expanded, |this| {
3577                this.border_b_1().border_color(cx.theme().colors().border)
3578            })
3579            .child(
3580                h_flex()
3581                    .id("edits-container")
3582                    .gap_1()
3583                    .child(Disclosure::new("edits-disclosure", expanded))
3584                    .map(|this| {
3585                        if pending_edits {
3586                            this.child(
3587                                Label::new(format!(
3588                                    "Editing {} {}",
3589                                    changed_buffers.len(),
3590                                    if changed_buffers.len() == 1 {
3591                                        "file"
3592                                    } else {
3593                                        "files"
3594                                    }
3595                                ))
3596                                .color(Color::Muted)
3597                                .size(LabelSize::Small)
3598                                .with_animation(
3599                                    "edit-label",
3600                                    Animation::new(Duration::from_secs(2))
3601                                        .repeat()
3602                                        .with_easing(pulsating_between(0.3, 0.7)),
3603                                    |label, delta| label.alpha(delta),
3604                                ),
3605                            )
3606                        } else {
3607                            this.child(
3608                                Label::new("Edits")
3609                                    .size(LabelSize::Small)
3610                                    .color(Color::Muted),
3611                            )
3612                            .child(Label::new("").size(LabelSize::XSmall).color(Color::Muted))
3613                            .child(
3614                                Label::new(format!(
3615                                    "{} {}",
3616                                    changed_buffers.len(),
3617                                    if changed_buffers.len() == 1 {
3618                                        "file"
3619                                    } else {
3620                                        "files"
3621                                    }
3622                                ))
3623                                .size(LabelSize::Small)
3624                                .color(Color::Muted),
3625                            )
3626                        }
3627                    })
3628                    .on_click(cx.listener(|this, _, _, cx| {
3629                        this.edits_expanded = !this.edits_expanded;
3630                        cx.notify();
3631                    })),
3632            )
3633            .child(
3634                h_flex()
3635                    .gap_1()
3636                    .child(
3637                        IconButton::new("review-changes", IconName::ListTodo)
3638                            .icon_size(IconSize::Small)
3639                            .tooltip({
3640                                let focus_handle = focus_handle.clone();
3641                                move |window, cx| {
3642                                    Tooltip::for_action_in(
3643                                        "Review Changes",
3644                                        &OpenAgentDiff,
3645                                        &focus_handle,
3646                                        window,
3647                                        cx,
3648                                    )
3649                                }
3650                            })
3651                            .on_click(cx.listener(|_, _, window, cx| {
3652                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3653                            })),
3654                    )
3655                    .child(Divider::vertical().color(DividerColor::Border))
3656                    .child(
3657                        Button::new("reject-all-changes", "Reject All")
3658                            .label_size(LabelSize::Small)
3659                            .disabled(pending_edits)
3660                            .when(pending_edits, |this| {
3661                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3662                            })
3663                            .key_binding(
3664                                KeyBinding::for_action_in(
3665                                    &RejectAll,
3666                                    &focus_handle.clone(),
3667                                    window,
3668                                    cx,
3669                                )
3670                                .map(|kb| kb.size(rems_from_px(10.))),
3671                            )
3672                            .on_click(cx.listener(move |this, _, window, cx| {
3673                                this.reject_all(&RejectAll, window, cx);
3674                            })),
3675                    )
3676                    .child(
3677                        Button::new("keep-all-changes", "Keep All")
3678                            .label_size(LabelSize::Small)
3679                            .disabled(pending_edits)
3680                            .when(pending_edits, |this| {
3681                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3682                            })
3683                            .key_binding(
3684                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3685                                    .map(|kb| kb.size(rems_from_px(10.))),
3686                            )
3687                            .on_click(cx.listener(move |this, _, window, cx| {
3688                                this.keep_all(&KeepAll, window, cx);
3689                            })),
3690                    ),
3691            )
3692    }
3693
3694    fn render_edited_files(
3695        &self,
3696        action_log: &Entity<ActionLog>,
3697        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3698        pending_edits: bool,
3699        cx: &Context<Self>,
3700    ) -> Div {
3701        let editor_bg_color = cx.theme().colors().editor_background;
3702
3703        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3704            |(index, (buffer, _diff))| {
3705                let file = buffer.read(cx).file()?;
3706                let path = file.path();
3707                let path_style = file.path_style(cx);
3708                let separator = file.path_style(cx).separator();
3709
3710                let file_path = path.parent().and_then(|parent| {
3711                    if parent.is_empty() {
3712                        None
3713                    } else {
3714                        Some(
3715                            Label::new(format!("{}{separator}", parent.display(path_style)))
3716                                .color(Color::Muted)
3717                                .size(LabelSize::XSmall)
3718                                .buffer_font(cx),
3719                        )
3720                    }
3721                });
3722
3723                let file_name = path.file_name().map(|name| {
3724                    Label::new(name.to_string())
3725                        .size(LabelSize::XSmall)
3726                        .buffer_font(cx)
3727                });
3728
3729                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3730                    .map(Icon::from_path)
3731                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3732                    .unwrap_or_else(|| {
3733                        Icon::new(IconName::File)
3734                            .color(Color::Muted)
3735                            .size(IconSize::Small)
3736                    });
3737
3738                let overlay_gradient = linear_gradient(
3739                    90.,
3740                    linear_color_stop(editor_bg_color, 1.),
3741                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3742                );
3743
3744                let element = h_flex()
3745                    .group("edited-code")
3746                    .id(("file-container", index))
3747                    .py_1()
3748                    .pl_2()
3749                    .pr_1()
3750                    .gap_2()
3751                    .justify_between()
3752                    .bg(editor_bg_color)
3753                    .when(index < changed_buffers.len() - 1, |parent| {
3754                        parent.border_color(cx.theme().colors().border).border_b_1()
3755                    })
3756                    .child(
3757                        h_flex()
3758                            .relative()
3759                            .id(("file-name", index))
3760                            .pr_8()
3761                            .gap_1p5()
3762                            .max_w_full()
3763                            .overflow_x_scroll()
3764                            .child(file_icon)
3765                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3766                            .child(
3767                                div()
3768                                    .absolute()
3769                                    .h_full()
3770                                    .w_12()
3771                                    .top_0()
3772                                    .bottom_0()
3773                                    .right_0()
3774                                    .bg(overlay_gradient),
3775                            )
3776                            .on_click({
3777                                let buffer = buffer.clone();
3778                                cx.listener(move |this, _, window, cx| {
3779                                    this.open_edited_buffer(&buffer, window, cx);
3780                                })
3781                            }),
3782                    )
3783                    .child(
3784                        h_flex()
3785                            .gap_1()
3786                            .visible_on_hover("edited-code")
3787                            .child(
3788                                Button::new("review", "Review")
3789                                    .label_size(LabelSize::Small)
3790                                    .on_click({
3791                                        let buffer = buffer.clone();
3792                                        cx.listener(move |this, _, window, cx| {
3793                                            this.open_edited_buffer(&buffer, window, cx);
3794                                        })
3795                                    }),
3796                            )
3797                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3798                            .child(
3799                                Button::new("reject-file", "Reject")
3800                                    .label_size(LabelSize::Small)
3801                                    .disabled(pending_edits)
3802                                    .on_click({
3803                                        let buffer = buffer.clone();
3804                                        let action_log = action_log.clone();
3805                                        move |_, _, cx| {
3806                                            action_log.update(cx, |action_log, cx| {
3807                                                action_log
3808                                                    .reject_edits_in_ranges(
3809                                                        buffer.clone(),
3810                                                        vec![Anchor::MIN..Anchor::MAX],
3811                                                        cx,
3812                                                    )
3813                                                    .detach_and_log_err(cx);
3814                                            })
3815                                        }
3816                                    }),
3817                            )
3818                            .child(
3819                                Button::new("keep-file", "Keep")
3820                                    .label_size(LabelSize::Small)
3821                                    .disabled(pending_edits)
3822                                    .on_click({
3823                                        let buffer = buffer.clone();
3824                                        let action_log = action_log.clone();
3825                                        move |_, _, cx| {
3826                                            action_log.update(cx, |action_log, cx| {
3827                                                action_log.keep_edits_in_range(
3828                                                    buffer.clone(),
3829                                                    Anchor::MIN..Anchor::MAX,
3830                                                    cx,
3831                                                );
3832                                            })
3833                                        }
3834                                    }),
3835                            ),
3836                    );
3837
3838                Some(element)
3839            },
3840        ))
3841    }
3842
3843    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3844        let focus_handle = self.message_editor.focus_handle(cx);
3845        let editor_bg_color = cx.theme().colors().editor_background;
3846        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3847            (IconName::Minimize, "Minimize Message Editor")
3848        } else {
3849            (IconName::Maximize, "Expand Message Editor")
3850        };
3851
3852        let backdrop = div()
3853            .size_full()
3854            .absolute()
3855            .inset_0()
3856            .bg(cx.theme().colors().panel_background)
3857            .opacity(0.8)
3858            .block_mouse_except_scroll();
3859
3860        let enable_editor = match self.thread_state {
3861            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3862            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3863        };
3864
3865        v_flex()
3866            .on_action(cx.listener(Self::expand_message_editor))
3867            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3868                if let Some(profile_selector) = this.profile_selector.as_ref() {
3869                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3870                } else if let Some(mode_selector) = this.mode_selector() {
3871                    mode_selector.read(cx).menu_handle().toggle(window, cx);
3872                }
3873            }))
3874            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
3875                if let Some(mode_selector) = this.mode_selector() {
3876                    mode_selector.update(cx, |mode_selector, cx| {
3877                        mode_selector.cycle_mode(window, cx);
3878                    });
3879                }
3880            }))
3881            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3882                if let Some(model_selector) = this.model_selector.as_ref() {
3883                    model_selector
3884                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3885                }
3886            }))
3887            .p_2()
3888            .gap_2()
3889            .border_t_1()
3890            .border_color(cx.theme().colors().border)
3891            .bg(editor_bg_color)
3892            .when(self.editor_expanded, |this| {
3893                this.h(vh(0.8, window)).size_full().justify_between()
3894            })
3895            .child(
3896                v_flex()
3897                    .relative()
3898                    .size_full()
3899                    .pt_1()
3900                    .pr_2p5()
3901                    .child(self.message_editor.clone())
3902                    .child(
3903                        h_flex()
3904                            .absolute()
3905                            .top_0()
3906                            .right_0()
3907                            .opacity(0.5)
3908                            .hover(|this| this.opacity(1.0))
3909                            .child(
3910                                IconButton::new("toggle-height", expand_icon)
3911                                    .icon_size(IconSize::Small)
3912                                    .icon_color(Color::Muted)
3913                                    .tooltip({
3914                                        move |window, cx| {
3915                                            Tooltip::for_action_in(
3916                                                expand_tooltip,
3917                                                &ExpandMessageEditor,
3918                                                &focus_handle,
3919                                                window,
3920                                                cx,
3921                                            )
3922                                        }
3923                                    })
3924                                    .on_click(cx.listener(|_, _, window, cx| {
3925                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3926                                    })),
3927                            ),
3928                    ),
3929            )
3930            .child(
3931                h_flex()
3932                    .flex_none()
3933                    .flex_wrap()
3934                    .justify_between()
3935                    .child(
3936                        h_flex()
3937                            .child(self.render_follow_toggle(cx))
3938                            .children(self.render_burn_mode_toggle(cx)),
3939                    )
3940                    .child(
3941                        h_flex()
3942                            .gap_1()
3943                            .children(self.render_token_usage(cx))
3944                            .children(self.profile_selector.clone())
3945                            .children(self.mode_selector().cloned())
3946                            .children(self.model_selector.clone())
3947                            .child(self.render_send_button(cx)),
3948                    ),
3949            )
3950            .when(!enable_editor, |this| this.child(backdrop))
3951            .into_any()
3952    }
3953
3954    pub(crate) fn as_native_connection(
3955        &self,
3956        cx: &App,
3957    ) -> Option<Rc<agent2::NativeAgentConnection>> {
3958        let acp_thread = self.thread()?.read(cx);
3959        acp_thread.connection().clone().downcast()
3960    }
3961
3962    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
3963        let acp_thread = self.thread()?.read(cx);
3964        self.as_native_connection(cx)?
3965            .thread(acp_thread.session_id(), cx)
3966    }
3967
3968    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
3969        self.as_native_thread(cx)
3970            .and_then(|thread| thread.read(cx).model())
3971            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
3972    }
3973
3974    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
3975        let thread = self.thread()?.read(cx);
3976        let usage = thread.token_usage()?;
3977        let is_generating = thread.status() != ThreadStatus::Idle;
3978
3979        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
3980        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
3981
3982        Some(
3983            h_flex()
3984                .flex_shrink_0()
3985                .gap_0p5()
3986                .mr_1p5()
3987                .child(
3988                    Label::new(used)
3989                        .size(LabelSize::Small)
3990                        .color(Color::Muted)
3991                        .map(|label| {
3992                            if is_generating {
3993                                label
3994                                    .with_animation(
3995                                        "used-tokens-label",
3996                                        Animation::new(Duration::from_secs(2))
3997                                            .repeat()
3998                                            .with_easing(pulsating_between(0.3, 0.8)),
3999                                        |label, delta| label.alpha(delta),
4000                                    )
4001                                    .into_any()
4002                            } else {
4003                                label.into_any_element()
4004                            }
4005                        }),
4006                )
4007                .child(
4008                    Label::new("/")
4009                        .size(LabelSize::Small)
4010                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4011                )
4012                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4013        )
4014    }
4015
4016    fn toggle_burn_mode(
4017        &mut self,
4018        _: &ToggleBurnMode,
4019        _window: &mut Window,
4020        cx: &mut Context<Self>,
4021    ) {
4022        let Some(thread) = self.as_native_thread(cx) else {
4023            return;
4024        };
4025
4026        thread.update(cx, |thread, cx| {
4027            let current_mode = thread.completion_mode();
4028            thread.set_completion_mode(
4029                match current_mode {
4030                    CompletionMode::Burn => CompletionMode::Normal,
4031                    CompletionMode::Normal => CompletionMode::Burn,
4032                },
4033                cx,
4034            );
4035        });
4036    }
4037
4038    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4039        let Some(thread) = self.thread() else {
4040            return;
4041        };
4042        let action_log = thread.read(cx).action_log().clone();
4043        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
4044    }
4045
4046    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4047        let Some(thread) = self.thread() else {
4048            return;
4049        };
4050        let action_log = thread.read(cx).action_log().clone();
4051        action_log
4052            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
4053            .detach();
4054    }
4055
4056    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4057        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4058    }
4059
4060    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4061        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4062    }
4063
4064    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4065        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4066    }
4067
4068    fn authorize_pending_tool_call(
4069        &mut self,
4070        kind: acp::PermissionOptionKind,
4071        window: &mut Window,
4072        cx: &mut Context<Self>,
4073    ) -> Option<()> {
4074        let thread = self.thread()?.read(cx);
4075        let tool_call = thread.first_tool_awaiting_confirmation()?;
4076        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4077            return None;
4078        };
4079        let option = options.iter().find(|o| o.kind == kind)?;
4080
4081        self.authorize_tool_call(
4082            tool_call.id.clone(),
4083            option.id.clone(),
4084            option.kind,
4085            window,
4086            cx,
4087        );
4088
4089        Some(())
4090    }
4091
4092    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4093        let thread = self.as_native_thread(cx)?.read(cx);
4094
4095        if thread
4096            .model()
4097            .is_none_or(|model| !model.supports_burn_mode())
4098        {
4099            return None;
4100        }
4101
4102        let active_completion_mode = thread.completion_mode();
4103        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4104        let icon = if burn_mode_enabled {
4105            IconName::ZedBurnModeOn
4106        } else {
4107            IconName::ZedBurnMode
4108        };
4109
4110        Some(
4111            IconButton::new("burn-mode", icon)
4112                .icon_size(IconSize::Small)
4113                .icon_color(Color::Muted)
4114                .toggle_state(burn_mode_enabled)
4115                .selected_icon_color(Color::Error)
4116                .on_click(cx.listener(|this, _event, window, cx| {
4117                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4118                }))
4119                .tooltip(move |_window, cx| {
4120                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4121                        .into()
4122                })
4123                .into_any_element(),
4124        )
4125    }
4126
4127    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4128        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4129        let is_generating = self
4130            .thread()
4131            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4132
4133        if self.is_loading_contents {
4134            div()
4135                .id("loading-message-content")
4136                .px_1()
4137                .tooltip(Tooltip::text("Loading Added Context…"))
4138                .child(loading_contents_spinner(IconSize::default()))
4139                .into_any_element()
4140        } else if is_generating && is_editor_empty {
4141            IconButton::new("stop-generation", IconName::Stop)
4142                .icon_color(Color::Error)
4143                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4144                .tooltip(move |window, cx| {
4145                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
4146                })
4147                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4148                .into_any_element()
4149        } else {
4150            let send_btn_tooltip = if is_editor_empty && !is_generating {
4151                "Type to Send"
4152            } else if is_generating {
4153                "Stop and Send Message"
4154            } else {
4155                "Send"
4156            };
4157
4158            IconButton::new("send-message", IconName::Send)
4159                .style(ButtonStyle::Filled)
4160                .map(|this| {
4161                    if is_editor_empty && !is_generating {
4162                        this.disabled(true).icon_color(Color::Muted)
4163                    } else {
4164                        this.icon_color(Color::Accent)
4165                    }
4166                })
4167                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
4168                .on_click(cx.listener(|this, _, window, cx| {
4169                    this.send(window, cx);
4170                }))
4171                .into_any_element()
4172        }
4173    }
4174
4175    fn is_following(&self, cx: &App) -> bool {
4176        match self.thread().map(|thread| thread.read(cx).status()) {
4177            Some(ThreadStatus::Generating) => self
4178                .workspace
4179                .read_with(cx, |workspace, _| {
4180                    workspace.is_being_followed(CollaboratorId::Agent)
4181                })
4182                .unwrap_or(false),
4183            _ => self.should_be_following,
4184        }
4185    }
4186
4187    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4188        let following = self.is_following(cx);
4189
4190        self.should_be_following = !following;
4191        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4192            self.workspace
4193                .update(cx, |workspace, cx| {
4194                    if following {
4195                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4196                    } else {
4197                        workspace.follow(CollaboratorId::Agent, window, cx);
4198                    }
4199                })
4200                .ok();
4201        }
4202
4203        telemetry::event!("Follow Agent Selected", following = !following);
4204    }
4205
4206    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4207        let following = self.is_following(cx);
4208
4209        let tooltip_label = if following {
4210            if self.agent.name() == "Zed Agent" {
4211                format!("Stop Following the {}", self.agent.name())
4212            } else {
4213                format!("Stop Following {}", self.agent.name())
4214            }
4215        } else {
4216            if self.agent.name() == "Zed Agent" {
4217                format!("Follow the {}", self.agent.name())
4218            } else {
4219                format!("Follow {}", self.agent.name())
4220            }
4221        };
4222
4223        IconButton::new("follow-agent", IconName::Crosshair)
4224            .icon_size(IconSize::Small)
4225            .icon_color(Color::Muted)
4226            .toggle_state(following)
4227            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4228            .tooltip(move |window, cx| {
4229                if following {
4230                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
4231                } else {
4232                    Tooltip::with_meta(
4233                        tooltip_label.clone(),
4234                        Some(&Follow),
4235                        "Track the agent's location as it reads and edits files.",
4236                        window,
4237                        cx,
4238                    )
4239                }
4240            })
4241            .on_click(cx.listener(move |this, _, window, cx| {
4242                this.toggle_following(window, cx);
4243            }))
4244    }
4245
4246    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4247        let workspace = self.workspace.clone();
4248        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4249            Self::open_link(text, &workspace, window, cx);
4250        })
4251    }
4252
4253    fn open_link(
4254        url: SharedString,
4255        workspace: &WeakEntity<Workspace>,
4256        window: &mut Window,
4257        cx: &mut App,
4258    ) {
4259        let Some(workspace) = workspace.upgrade() else {
4260            cx.open_url(&url);
4261            return;
4262        };
4263
4264        if let Some(mention) = MentionUri::parse(&url).log_err() {
4265            workspace.update(cx, |workspace, cx| match mention {
4266                MentionUri::File { abs_path } => {
4267                    let project = workspace.project();
4268                    let Some(path) =
4269                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4270                    else {
4271                        return;
4272                    };
4273
4274                    workspace
4275                        .open_path(path, None, true, window, cx)
4276                        .detach_and_log_err(cx);
4277                }
4278                MentionUri::PastedImage => {}
4279                MentionUri::Directory { abs_path } => {
4280                    let project = workspace.project();
4281                    let Some(entry_id) = project.update(cx, |project, cx| {
4282                        let path = project.find_project_path(abs_path, cx)?;
4283                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4284                    }) else {
4285                        return;
4286                    };
4287
4288                    project.update(cx, |_, cx| {
4289                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4290                    });
4291                }
4292                MentionUri::Symbol {
4293                    abs_path: path,
4294                    line_range,
4295                    ..
4296                }
4297                | MentionUri::Selection {
4298                    abs_path: Some(path),
4299                    line_range,
4300                } => {
4301                    let project = workspace.project();
4302                    let Some(path) =
4303                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4304                    else {
4305                        return;
4306                    };
4307
4308                    let item = workspace.open_path(path, None, true, window, cx);
4309                    window
4310                        .spawn(cx, async move |cx| {
4311                            let Some(editor) = item.await?.downcast::<Editor>() else {
4312                                return Ok(());
4313                            };
4314                            let range = Point::new(*line_range.start(), 0)
4315                                ..Point::new(*line_range.start(), 0);
4316                            editor
4317                                .update_in(cx, |editor, window, cx| {
4318                                    editor.change_selections(
4319                                        SelectionEffects::scroll(Autoscroll::center()),
4320                                        window,
4321                                        cx,
4322                                        |s| s.select_ranges(vec![range]),
4323                                    );
4324                                })
4325                                .ok();
4326                            anyhow::Ok(())
4327                        })
4328                        .detach_and_log_err(cx);
4329                }
4330                MentionUri::Selection { abs_path: None, .. } => {}
4331                MentionUri::Thread { id, name } => {
4332                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4333                        panel.update(cx, |panel, cx| {
4334                            panel.load_agent_thread(
4335                                DbThreadMetadata {
4336                                    id,
4337                                    title: name.into(),
4338                                    updated_at: Default::default(),
4339                                },
4340                                window,
4341                                cx,
4342                            )
4343                        });
4344                    }
4345                }
4346                MentionUri::TextThread { path, .. } => {
4347                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4348                        panel.update(cx, |panel, cx| {
4349                            panel
4350                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4351                                .detach_and_log_err(cx);
4352                        });
4353                    }
4354                }
4355                MentionUri::Rule { id, .. } => {
4356                    let PromptId::User { uuid } = id else {
4357                        return;
4358                    };
4359                    window.dispatch_action(
4360                        Box::new(OpenRulesLibrary {
4361                            prompt_to_select: Some(uuid.0),
4362                        }),
4363                        cx,
4364                    )
4365                }
4366                MentionUri::Fetch { url } => {
4367                    cx.open_url(url.as_str());
4368                }
4369            })
4370        } else {
4371            cx.open_url(&url);
4372        }
4373    }
4374
4375    fn open_tool_call_location(
4376        &self,
4377        entry_ix: usize,
4378        location_ix: usize,
4379        window: &mut Window,
4380        cx: &mut Context<Self>,
4381    ) -> Option<()> {
4382        let (tool_call_location, agent_location) = self
4383            .thread()?
4384            .read(cx)
4385            .entries()
4386            .get(entry_ix)?
4387            .location(location_ix)?;
4388
4389        let project_path = self
4390            .project
4391            .read(cx)
4392            .find_project_path(&tool_call_location.path, cx)?;
4393
4394        let open_task = self
4395            .workspace
4396            .update(cx, |workspace, cx| {
4397                workspace.open_path(project_path, None, true, window, cx)
4398            })
4399            .log_err()?;
4400        window
4401            .spawn(cx, async move |cx| {
4402                let item = open_task.await?;
4403
4404                let Some(active_editor) = item.downcast::<Editor>() else {
4405                    return anyhow::Ok(());
4406                };
4407
4408                active_editor.update_in(cx, |editor, window, cx| {
4409                    let multibuffer = editor.buffer().read(cx);
4410                    let buffer = multibuffer.as_singleton();
4411                    if agent_location.buffer.upgrade() == buffer {
4412                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4413                        let anchor = editor::Anchor::in_buffer(
4414                            excerpt_id.unwrap(),
4415                            buffer.unwrap().read(cx).remote_id(),
4416                            agent_location.position,
4417                        );
4418                        editor.change_selections(Default::default(), window, cx, |selections| {
4419                            selections.select_anchor_ranges([anchor..anchor]);
4420                        })
4421                    } else {
4422                        let row = tool_call_location.line.unwrap_or_default();
4423                        editor.change_selections(Default::default(), window, cx, |selections| {
4424                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4425                        })
4426                    }
4427                })?;
4428
4429                anyhow::Ok(())
4430            })
4431            .detach_and_log_err(cx);
4432
4433        None
4434    }
4435
4436    pub fn open_thread_as_markdown(
4437        &self,
4438        workspace: Entity<Workspace>,
4439        window: &mut Window,
4440        cx: &mut App,
4441    ) -> Task<Result<()>> {
4442        let markdown_language_task = workspace
4443            .read(cx)
4444            .app_state()
4445            .languages
4446            .language_for_name("Markdown");
4447
4448        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4449            let thread = thread.read(cx);
4450            (thread.title().to_string(), thread.to_markdown(cx))
4451        } else {
4452            return Task::ready(Ok(()));
4453        };
4454
4455        window.spawn(cx, async move |cx| {
4456            let markdown_language = markdown_language_task.await?;
4457
4458            workspace.update_in(cx, |workspace, window, cx| {
4459                let project = workspace.project().clone();
4460
4461                if !project.read(cx).is_local() {
4462                    bail!("failed to open active thread as markdown in remote project");
4463                }
4464
4465                let buffer = project.update(cx, |project, cx| {
4466                    project.create_local_buffer(&markdown, Some(markdown_language), true, cx)
4467                });
4468                let buffer = cx.new(|cx| {
4469                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4470                });
4471
4472                workspace.add_item_to_active_pane(
4473                    Box::new(cx.new(|cx| {
4474                        let mut editor =
4475                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4476                        editor.set_breadcrumb_header(thread_summary);
4477                        editor
4478                    })),
4479                    None,
4480                    true,
4481                    window,
4482                    cx,
4483                );
4484
4485                anyhow::Ok(())
4486            })??;
4487            anyhow::Ok(())
4488        })
4489    }
4490
4491    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4492        self.list_state.scroll_to(ListOffset::default());
4493        cx.notify();
4494    }
4495
4496    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4497        if let Some(thread) = self.thread() {
4498            let entry_count = thread.read(cx).entries().len();
4499            self.list_state.reset(entry_count);
4500            cx.notify();
4501        }
4502    }
4503
4504    fn notify_with_sound(
4505        &mut self,
4506        caption: impl Into<SharedString>,
4507        icon: IconName,
4508        window: &mut Window,
4509        cx: &mut Context<Self>,
4510    ) {
4511        self.play_notification_sound(window, cx);
4512        self.show_notification(caption, icon, window, cx);
4513    }
4514
4515    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4516        let settings = AgentSettings::get_global(cx);
4517        if settings.play_sound_when_agent_done && !window.is_window_active() {
4518            Audio::play_sound(Sound::AgentDone, cx);
4519        }
4520    }
4521
4522    fn show_notification(
4523        &mut self,
4524        caption: impl Into<SharedString>,
4525        icon: IconName,
4526        window: &mut Window,
4527        cx: &mut Context<Self>,
4528    ) {
4529        if window.is_window_active() || !self.notifications.is_empty() {
4530            return;
4531        }
4532
4533        // TODO: Change this once we have title summarization for external agents.
4534        let title = self.agent.name();
4535
4536        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4537            NotifyWhenAgentWaiting::PrimaryScreen => {
4538                if let Some(primary) = cx.primary_display() {
4539                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4540                }
4541            }
4542            NotifyWhenAgentWaiting::AllScreens => {
4543                let caption = caption.into();
4544                for screen in cx.displays() {
4545                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4546                }
4547            }
4548            NotifyWhenAgentWaiting::Never => {
4549                // Don't show anything
4550            }
4551        }
4552    }
4553
4554    fn pop_up(
4555        &mut self,
4556        icon: IconName,
4557        caption: SharedString,
4558        title: SharedString,
4559        window: &mut Window,
4560        screen: Rc<dyn PlatformDisplay>,
4561        cx: &mut Context<Self>,
4562    ) {
4563        let options = AgentNotification::window_options(screen, cx);
4564
4565        let project_name = self.workspace.upgrade().and_then(|workspace| {
4566            workspace
4567                .read(cx)
4568                .project()
4569                .read(cx)
4570                .visible_worktrees(cx)
4571                .next()
4572                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4573        });
4574
4575        if let Some(screen_window) = cx
4576            .open_window(options, |_, cx| {
4577                cx.new(|_| {
4578                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4579                })
4580            })
4581            .log_err()
4582            && let Some(pop_up) = screen_window.entity(cx).log_err()
4583        {
4584            self.notification_subscriptions
4585                .entry(screen_window)
4586                .or_insert_with(Vec::new)
4587                .push(cx.subscribe_in(&pop_up, window, {
4588                    |this, _, event, window, cx| match event {
4589                        AgentNotificationEvent::Accepted => {
4590                            let handle = window.window_handle();
4591                            cx.activate(true);
4592
4593                            let workspace_handle = this.workspace.clone();
4594
4595                            // If there are multiple Zed windows, activate the correct one.
4596                            cx.defer(move |cx| {
4597                                handle
4598                                    .update(cx, |_view, window, _cx| {
4599                                        window.activate_window();
4600
4601                                        if let Some(workspace) = workspace_handle.upgrade() {
4602                                            workspace.update(_cx, |workspace, cx| {
4603                                                workspace.focus_panel::<AgentPanel>(window, cx);
4604                                            });
4605                                        }
4606                                    })
4607                                    .log_err();
4608                            });
4609
4610                            this.dismiss_notifications(cx);
4611                        }
4612                        AgentNotificationEvent::Dismissed => {
4613                            this.dismiss_notifications(cx);
4614                        }
4615                    }
4616                }));
4617
4618            self.notifications.push(screen_window);
4619
4620            // If the user manually refocuses the original window, dismiss the popup.
4621            self.notification_subscriptions
4622                .entry(screen_window)
4623                .or_insert_with(Vec::new)
4624                .push({
4625                    let pop_up_weak = pop_up.downgrade();
4626
4627                    cx.observe_window_activation(window, move |_, window, cx| {
4628                        if window.is_window_active()
4629                            && let Some(pop_up) = pop_up_weak.upgrade()
4630                        {
4631                            pop_up.update(cx, |_, cx| {
4632                                cx.emit(AgentNotificationEvent::Dismissed);
4633                            });
4634                        }
4635                    })
4636                });
4637        }
4638    }
4639
4640    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4641        for window in self.notifications.drain(..) {
4642            window
4643                .update(cx, |_, window, _| {
4644                    window.remove_window();
4645                })
4646                .ok();
4647
4648            self.notification_subscriptions.remove(&window);
4649        }
4650    }
4651
4652    fn render_thread_controls(
4653        &self,
4654        thread: &Entity<AcpThread>,
4655        cx: &Context<Self>,
4656    ) -> impl IntoElement {
4657        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4658        if is_generating {
4659            return h_flex().id("thread-controls-container").child(
4660                div()
4661                    .py_2()
4662                    .px(rems_from_px(22.))
4663                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4664            );
4665        }
4666
4667        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4668            .shape(ui::IconButtonShape::Square)
4669            .icon_size(IconSize::Small)
4670            .icon_color(Color::Ignored)
4671            .tooltip(Tooltip::text("Open Thread as Markdown"))
4672            .on_click(cx.listener(move |this, _, window, cx| {
4673                if let Some(workspace) = this.workspace.upgrade() {
4674                    this.open_thread_as_markdown(workspace, window, cx)
4675                        .detach_and_log_err(cx);
4676                }
4677            }));
4678
4679        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4680            .shape(ui::IconButtonShape::Square)
4681            .icon_size(IconSize::Small)
4682            .icon_color(Color::Ignored)
4683            .tooltip(Tooltip::text("Scroll To Top"))
4684            .on_click(cx.listener(move |this, _, _, cx| {
4685                this.scroll_to_top(cx);
4686            }));
4687
4688        let mut container = h_flex()
4689            .id("thread-controls-container")
4690            .group("thread-controls-container")
4691            .w_full()
4692            .py_2()
4693            .px_5()
4694            .gap_px()
4695            .opacity(0.6)
4696            .hover(|style| style.opacity(1.))
4697            .flex_wrap()
4698            .justify_end();
4699
4700        if AgentSettings::get_global(cx).enable_feedback
4701            && self
4702                .thread()
4703                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4704        {
4705            let feedback = self.thread_feedback.feedback;
4706
4707            container = container
4708                .child(
4709                    div().visible_on_hover("thread-controls-container").child(
4710                        Label::new(match feedback {
4711                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4712                            Some(ThreadFeedback::Negative) => {
4713                                "We appreciate your feedback and will use it to improve."
4714                            }
4715                            None => {
4716                                "Rating the thread sends all of your current conversation to the Zed team."
4717                            }
4718                        })
4719                        .color(Color::Muted)
4720                        .size(LabelSize::XSmall)
4721                        .truncate(),
4722                    ),
4723                )
4724                .child(
4725                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4726                        .shape(ui::IconButtonShape::Square)
4727                        .icon_size(IconSize::Small)
4728                        .icon_color(match feedback {
4729                            Some(ThreadFeedback::Positive) => Color::Accent,
4730                            _ => Color::Ignored,
4731                        })
4732                        .tooltip(Tooltip::text("Helpful Response"))
4733                        .on_click(cx.listener(move |this, _, window, cx| {
4734                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4735                        })),
4736                )
4737                .child(
4738                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4739                        .shape(ui::IconButtonShape::Square)
4740                        .icon_size(IconSize::Small)
4741                        .icon_color(match feedback {
4742                            Some(ThreadFeedback::Negative) => Color::Accent,
4743                            _ => Color::Ignored,
4744                        })
4745                        .tooltip(Tooltip::text("Not Helpful"))
4746                        .on_click(cx.listener(move |this, _, window, cx| {
4747                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4748                        })),
4749                );
4750        }
4751
4752        container.child(open_as_markdown).child(scroll_to_top)
4753    }
4754
4755    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4756        h_flex()
4757            .key_context("AgentFeedbackMessageEditor")
4758            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4759                this.thread_feedback.dismiss_comments();
4760                cx.notify();
4761            }))
4762            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4763                this.submit_feedback_message(cx);
4764            }))
4765            .p_2()
4766            .mb_2()
4767            .mx_5()
4768            .gap_1()
4769            .rounded_md()
4770            .border_1()
4771            .border_color(cx.theme().colors().border)
4772            .bg(cx.theme().colors().editor_background)
4773            .child(div().w_full().child(editor))
4774            .child(
4775                h_flex()
4776                    .child(
4777                        IconButton::new("dismiss-feedback-message", IconName::Close)
4778                            .icon_color(Color::Error)
4779                            .icon_size(IconSize::XSmall)
4780                            .shape(ui::IconButtonShape::Square)
4781                            .on_click(cx.listener(move |this, _, _window, cx| {
4782                                this.thread_feedback.dismiss_comments();
4783                                cx.notify();
4784                            })),
4785                    )
4786                    .child(
4787                        IconButton::new("submit-feedback-message", IconName::Return)
4788                            .icon_size(IconSize::XSmall)
4789                            .shape(ui::IconButtonShape::Square)
4790                            .on_click(cx.listener(move |this, _, _window, cx| {
4791                                this.submit_feedback_message(cx);
4792                            })),
4793                    ),
4794            )
4795    }
4796
4797    fn handle_feedback_click(
4798        &mut self,
4799        feedback: ThreadFeedback,
4800        window: &mut Window,
4801        cx: &mut Context<Self>,
4802    ) {
4803        let Some(thread) = self.thread().cloned() else {
4804            return;
4805        };
4806
4807        self.thread_feedback.submit(thread, feedback, window, cx);
4808        cx.notify();
4809    }
4810
4811    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4812        let Some(thread) = self.thread().cloned() else {
4813            return;
4814        };
4815
4816        self.thread_feedback.submit_comments(thread, cx);
4817        cx.notify();
4818    }
4819
4820    fn render_token_limit_callout(
4821        &self,
4822        line_height: Pixels,
4823        cx: &mut Context<Self>,
4824    ) -> Option<Callout> {
4825        let token_usage = self.thread()?.read(cx).token_usage()?;
4826        let ratio = token_usage.ratio();
4827
4828        let (severity, title) = match ratio {
4829            acp_thread::TokenUsageRatio::Normal => return None,
4830            acp_thread::TokenUsageRatio::Warning => {
4831                (Severity::Warning, "Thread reaching the token limit soon")
4832            }
4833            acp_thread::TokenUsageRatio::Exceeded => {
4834                (Severity::Error, "Thread reached the token limit")
4835            }
4836        };
4837
4838        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4839            thread.read(cx).completion_mode() == CompletionMode::Normal
4840                && thread
4841                    .read(cx)
4842                    .model()
4843                    .is_some_and(|model| model.supports_burn_mode())
4844        });
4845
4846        let description = if burn_mode_available {
4847            "To continue, start a new thread from a summary or turn Burn Mode on."
4848        } else {
4849            "To continue, start a new thread from a summary."
4850        };
4851
4852        Some(
4853            Callout::new()
4854                .severity(severity)
4855                .line_height(line_height)
4856                .title(title)
4857                .description(description)
4858                .actions_slot(
4859                    h_flex()
4860                        .gap_0p5()
4861                        .child(
4862                            Button::new("start-new-thread", "Start New Thread")
4863                                .label_size(LabelSize::Small)
4864                                .on_click(cx.listener(|this, _, window, cx| {
4865                                    let Some(thread) = this.thread() else {
4866                                        return;
4867                                    };
4868                                    let session_id = thread.read(cx).session_id().clone();
4869                                    window.dispatch_action(
4870                                        crate::NewNativeAgentThreadFromSummary {
4871                                            from_session_id: session_id,
4872                                        }
4873                                        .boxed_clone(),
4874                                        cx,
4875                                    );
4876                                })),
4877                        )
4878                        .when(burn_mode_available, |this| {
4879                            this.child(
4880                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4881                                    .icon_size(IconSize::XSmall)
4882                                    .on_click(cx.listener(|this, _event, window, cx| {
4883                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4884                                    })),
4885                            )
4886                        }),
4887                ),
4888        )
4889    }
4890
4891    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4892        if !self.is_using_zed_ai_models(cx) {
4893            return None;
4894        }
4895
4896        let user_store = self.project.read(cx).user_store().read(cx);
4897        if user_store.is_usage_based_billing_enabled() {
4898            return None;
4899        }
4900
4901        let plan = user_store
4902            .plan()
4903            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
4904
4905        let usage = user_store.model_request_usage()?;
4906
4907        Some(
4908            div()
4909                .child(UsageCallout::new(plan, usage))
4910                .line_height(line_height),
4911        )
4912    }
4913
4914    fn agent_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4915        self.entry_view_state.update(cx, |entry_view_state, cx| {
4916            entry_view_state.agent_font_size_changed(cx);
4917        });
4918    }
4919
4920    pub(crate) fn insert_dragged_files(
4921        &self,
4922        paths: Vec<project::ProjectPath>,
4923        added_worktrees: Vec<Entity<project::Worktree>>,
4924        window: &mut Window,
4925        cx: &mut Context<Self>,
4926    ) {
4927        self.message_editor.update(cx, |message_editor, cx| {
4928            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4929        })
4930    }
4931
4932    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4933        self.message_editor.update(cx, |message_editor, cx| {
4934            message_editor.insert_selections(window, cx);
4935        })
4936    }
4937
4938    fn render_thread_retry_status_callout(
4939        &self,
4940        _window: &mut Window,
4941        _cx: &mut Context<Self>,
4942    ) -> Option<Callout> {
4943        let state = self.thread_retry_status.as_ref()?;
4944
4945        let next_attempt_in = state
4946            .duration
4947            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4948        if next_attempt_in.is_zero() {
4949            return None;
4950        }
4951
4952        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4953
4954        let retry_message = if state.max_attempts == 1 {
4955            if next_attempt_in_secs == 1 {
4956                "Retrying. Next attempt in 1 second.".to_string()
4957            } else {
4958                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
4959            }
4960        } else if next_attempt_in_secs == 1 {
4961            format!(
4962                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
4963                state.attempt, state.max_attempts,
4964            )
4965        } else {
4966            format!(
4967                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
4968                state.attempt, state.max_attempts,
4969            )
4970        };
4971
4972        Some(
4973            Callout::new()
4974                .severity(Severity::Warning)
4975                .title(state.last_error.clone())
4976                .description(retry_message),
4977        )
4978    }
4979
4980    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
4981        let content = match self.thread_error.as_ref()? {
4982            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
4983            ThreadError::Refusal => self.render_refusal_error(cx),
4984            ThreadError::AuthenticationRequired(error) => {
4985                self.render_authentication_required_error(error.clone(), cx)
4986            }
4987            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
4988            ThreadError::ModelRequestLimitReached(plan) => {
4989                self.render_model_request_limit_reached_error(*plan, cx)
4990            }
4991            ThreadError::ToolUseLimitReached => {
4992                self.render_tool_use_limit_reached_error(window, cx)?
4993            }
4994        };
4995
4996        Some(div().child(content))
4997    }
4998
4999    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5000        v_flex().w_full().justify_end().child(
5001            h_flex()
5002                .p_2()
5003                .pr_3()
5004                .w_full()
5005                .gap_1p5()
5006                .border_t_1()
5007                .border_color(cx.theme().colors().border)
5008                .bg(cx.theme().colors().element_background)
5009                .child(
5010                    h_flex()
5011                        .flex_1()
5012                        .gap_1p5()
5013                        .child(
5014                            Icon::new(IconName::Download)
5015                                .color(Color::Accent)
5016                                .size(IconSize::Small),
5017                        )
5018                        .child(Label::new("New version available").size(LabelSize::Small)),
5019                )
5020                .child(
5021                    Button::new("update-button", format!("Update to v{}", version))
5022                        .label_size(LabelSize::Small)
5023                        .style(ButtonStyle::Tinted(TintColor::Accent))
5024                        .on_click(cx.listener(|this, _, window, cx| {
5025                            this.reset(window, cx);
5026                        })),
5027                ),
5028        )
5029    }
5030
5031    fn get_current_model_name(&self, cx: &App) -> SharedString {
5032        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5033        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5034        // This provides better clarity about what refused the request
5035        if self
5036            .agent
5037            .clone()
5038            .downcast::<agent2::NativeAgentServer>()
5039            .is_some()
5040        {
5041            // Native agent - use the model name
5042            self.model_selector
5043                .as_ref()
5044                .and_then(|selector| selector.read(cx).active_model_name(cx))
5045                .unwrap_or_else(|| SharedString::from("The model"))
5046        } else {
5047            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5048            self.agent.name()
5049        }
5050    }
5051
5052    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5053        let model_or_agent_name = self.get_current_model_name(cx);
5054        let refusal_message = format!(
5055            "{} 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.",
5056            model_or_agent_name
5057        );
5058
5059        Callout::new()
5060            .severity(Severity::Error)
5061            .title("Request Refused")
5062            .icon(IconName::XCircle)
5063            .description(refusal_message.clone())
5064            .actions_slot(self.create_copy_button(&refusal_message))
5065            .dismiss_action(self.dismiss_error_button(cx))
5066    }
5067
5068    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
5069        let can_resume = self
5070            .thread()
5071            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5072
5073        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5074            let thread = thread.read(cx);
5075            let supports_burn_mode = thread
5076                .model()
5077                .map_or(false, |model| model.supports_burn_mode());
5078            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5079        });
5080
5081        Callout::new()
5082            .severity(Severity::Error)
5083            .title("Error")
5084            .icon(IconName::XCircle)
5085            .description(error.clone())
5086            .actions_slot(
5087                h_flex()
5088                    .gap_0p5()
5089                    .when(can_resume && can_enable_burn_mode, |this| {
5090                        this.child(
5091                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5092                                .icon(IconName::ZedBurnMode)
5093                                .icon_position(IconPosition::Start)
5094                                .icon_size(IconSize::Small)
5095                                .label_size(LabelSize::Small)
5096                                .on_click(cx.listener(|this, _, window, cx| {
5097                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5098                                    this.resume_chat(cx);
5099                                })),
5100                        )
5101                    })
5102                    .when(can_resume, |this| {
5103                        this.child(
5104                            Button::new("retry", "Retry")
5105                                .icon(IconName::RotateCw)
5106                                .icon_position(IconPosition::Start)
5107                                .icon_size(IconSize::Small)
5108                                .label_size(LabelSize::Small)
5109                                .on_click(cx.listener(|this, _, _window, cx| {
5110                                    this.resume_chat(cx);
5111                                })),
5112                        )
5113                    })
5114                    .child(self.create_copy_button(error.to_string())),
5115            )
5116            .dismiss_action(self.dismiss_error_button(cx))
5117    }
5118
5119    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5120        const ERROR_MESSAGE: &str =
5121            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5122
5123        Callout::new()
5124            .severity(Severity::Error)
5125            .icon(IconName::XCircle)
5126            .title("Free Usage Exceeded")
5127            .description(ERROR_MESSAGE)
5128            .actions_slot(
5129                h_flex()
5130                    .gap_0p5()
5131                    .child(self.upgrade_button(cx))
5132                    .child(self.create_copy_button(ERROR_MESSAGE)),
5133            )
5134            .dismiss_action(self.dismiss_error_button(cx))
5135    }
5136
5137    fn render_authentication_required_error(
5138        &self,
5139        error: SharedString,
5140        cx: &mut Context<Self>,
5141    ) -> Callout {
5142        Callout::new()
5143            .severity(Severity::Error)
5144            .title("Authentication Required")
5145            .icon(IconName::XCircle)
5146            .description(error.clone())
5147            .actions_slot(
5148                h_flex()
5149                    .gap_0p5()
5150                    .child(self.authenticate_button(cx))
5151                    .child(self.create_copy_button(error)),
5152            )
5153            .dismiss_action(self.dismiss_error_button(cx))
5154    }
5155
5156    fn render_model_request_limit_reached_error(
5157        &self,
5158        plan: cloud_llm_client::Plan,
5159        cx: &mut Context<Self>,
5160    ) -> Callout {
5161        let error_message = match plan {
5162            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5163                "Upgrade to usage-based billing for more prompts."
5164            }
5165            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5166            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5167            cloud_llm_client::Plan::V2(_) => "",
5168        };
5169
5170        Callout::new()
5171            .severity(Severity::Error)
5172            .title("Model Prompt Limit Reached")
5173            .icon(IconName::XCircle)
5174            .description(error_message)
5175            .actions_slot(
5176                h_flex()
5177                    .gap_0p5()
5178                    .child(self.upgrade_button(cx))
5179                    .child(self.create_copy_button(error_message)),
5180            )
5181            .dismiss_action(self.dismiss_error_button(cx))
5182    }
5183
5184    fn render_tool_use_limit_reached_error(
5185        &self,
5186        window: &mut Window,
5187        cx: &mut Context<Self>,
5188    ) -> Option<Callout> {
5189        let thread = self.as_native_thread(cx)?;
5190        let supports_burn_mode = thread
5191            .read(cx)
5192            .model()
5193            .is_some_and(|model| model.supports_burn_mode());
5194
5195        let focus_handle = self.focus_handle(cx);
5196
5197        Some(
5198            Callout::new()
5199                .icon(IconName::Info)
5200                .title("Consecutive tool use limit reached.")
5201                .actions_slot(
5202                    h_flex()
5203                        .gap_0p5()
5204                        .when(supports_burn_mode, |this| {
5205                            this.child(
5206                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5207                                    .style(ButtonStyle::Filled)
5208                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5209                                    .layer(ElevationIndex::ModalSurface)
5210                                    .label_size(LabelSize::Small)
5211                                    .key_binding(
5212                                        KeyBinding::for_action_in(
5213                                            &ContinueWithBurnMode,
5214                                            &focus_handle,
5215                                            window,
5216                                            cx,
5217                                        )
5218                                        .map(|kb| kb.size(rems_from_px(10.))),
5219                                    )
5220                                    .tooltip(Tooltip::text(
5221                                        "Enable Burn Mode for unlimited tool use.",
5222                                    ))
5223                                    .on_click({
5224                                        cx.listener(move |this, _, _window, cx| {
5225                                            thread.update(cx, |thread, cx| {
5226                                                thread
5227                                                    .set_completion_mode(CompletionMode::Burn, cx);
5228                                            });
5229                                            this.resume_chat(cx);
5230                                        })
5231                                    }),
5232                            )
5233                        })
5234                        .child(
5235                            Button::new("continue-conversation", "Continue")
5236                                .layer(ElevationIndex::ModalSurface)
5237                                .label_size(LabelSize::Small)
5238                                .key_binding(
5239                                    KeyBinding::for_action_in(
5240                                        &ContinueThread,
5241                                        &focus_handle,
5242                                        window,
5243                                        cx,
5244                                    )
5245                                    .map(|kb| kb.size(rems_from_px(10.))),
5246                                )
5247                                .on_click(cx.listener(|this, _, _window, cx| {
5248                                    this.resume_chat(cx);
5249                                })),
5250                        ),
5251                ),
5252        )
5253    }
5254
5255    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5256        let message = message.into();
5257
5258        IconButton::new("copy", IconName::Copy)
5259            .icon_size(IconSize::Small)
5260            .icon_color(Color::Muted)
5261            .tooltip(Tooltip::text("Copy Error Message"))
5262            .on_click(move |_, _, cx| {
5263                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5264            })
5265    }
5266
5267    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5268        IconButton::new("dismiss", IconName::Close)
5269            .icon_size(IconSize::Small)
5270            .icon_color(Color::Muted)
5271            .tooltip(Tooltip::text("Dismiss Error"))
5272            .on_click(cx.listener({
5273                move |this, _, _, cx| {
5274                    this.clear_thread_error(cx);
5275                    cx.notify();
5276                }
5277            }))
5278    }
5279
5280    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5281        Button::new("authenticate", "Authenticate")
5282            .label_size(LabelSize::Small)
5283            .style(ButtonStyle::Filled)
5284            .on_click(cx.listener({
5285                move |this, _, window, cx| {
5286                    let agent = this.agent.clone();
5287                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5288                        return;
5289                    };
5290
5291                    let connection = thread.read(cx).connection().clone();
5292                    let err = AuthRequired {
5293                        description: None,
5294                        provider_id: None,
5295                    };
5296                    this.clear_thread_error(cx);
5297                    let this = cx.weak_entity();
5298                    window.defer(cx, |window, cx| {
5299                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5300                    })
5301                }
5302            }))
5303    }
5304
5305    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5306        let agent = self.agent.clone();
5307        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5308            return;
5309        };
5310
5311        let connection = thread.read(cx).connection().clone();
5312        let err = AuthRequired {
5313            description: None,
5314            provider_id: None,
5315        };
5316        self.clear_thread_error(cx);
5317        let this = cx.weak_entity();
5318        window.defer(cx, |window, cx| {
5319            Self::handle_auth_required(this, err, agent, connection, window, cx);
5320        })
5321    }
5322
5323    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5324        Button::new("upgrade", "Upgrade")
5325            .label_size(LabelSize::Small)
5326            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5327            .on_click(cx.listener({
5328                move |this, _, _, cx| {
5329                    this.clear_thread_error(cx);
5330                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5331                }
5332            }))
5333    }
5334
5335    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5336        let task = match entry {
5337            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5338                history.delete_thread(thread.id.clone(), cx)
5339            }),
5340            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5341                history.delete_text_thread(context.path.clone(), cx)
5342            }),
5343        };
5344        task.detach_and_log_err(cx);
5345    }
5346}
5347
5348fn loading_contents_spinner(size: IconSize) -> AnyElement {
5349    Icon::new(IconName::LoadCircle)
5350        .size(size)
5351        .color(Color::Accent)
5352        .with_rotate_animation(3)
5353        .into_any_element()
5354}
5355
5356impl Focusable for AcpThreadView {
5357    fn focus_handle(&self, cx: &App) -> FocusHandle {
5358        match self.thread_state {
5359            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5360                self.message_editor.focus_handle(cx)
5361            }
5362            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5363                self.focus_handle.clone()
5364            }
5365        }
5366    }
5367}
5368
5369impl Render for AcpThreadView {
5370    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5371        let has_messages = self.list_state.item_count() > 0;
5372        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5373
5374        v_flex()
5375            .size_full()
5376            .key_context("AcpThread")
5377            .on_action(cx.listener(Self::open_agent_diff))
5378            .on_action(cx.listener(Self::toggle_burn_mode))
5379            .on_action(cx.listener(Self::keep_all))
5380            .on_action(cx.listener(Self::reject_all))
5381            .on_action(cx.listener(Self::allow_always))
5382            .on_action(cx.listener(Self::allow_once))
5383            .on_action(cx.listener(Self::reject_once))
5384            .track_focus(&self.focus_handle)
5385            .bg(cx.theme().colors().panel_background)
5386            .child(match &self.thread_state {
5387                ThreadState::Unauthenticated {
5388                    connection,
5389                    description,
5390                    configuration_view,
5391                    pending_auth_method,
5392                    ..
5393                } => self
5394                    .render_auth_required_state(
5395                        connection,
5396                        description.as_ref(),
5397                        configuration_view.as_ref(),
5398                        pending_auth_method.as_ref(),
5399                        window,
5400                        cx,
5401                    )
5402                    .into_any(),
5403                ThreadState::Loading { .. } => v_flex()
5404                    .flex_1()
5405                    .child(self.render_recent_history(window, cx))
5406                    .into_any(),
5407                ThreadState::LoadError(e) => v_flex()
5408                    .flex_1()
5409                    .size_full()
5410                    .items_center()
5411                    .justify_end()
5412                    .child(self.render_load_error(e, window, cx))
5413                    .into_any(),
5414                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5415                    if has_messages {
5416                        this.child(
5417                            list(
5418                                self.list_state.clone(),
5419                                cx.processor(|this, index: usize, window, cx| {
5420                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5421                                        let entries = &thread.read(cx).entries();
5422                                        Some((entries.get(index)?, entries.len()))
5423                                    }) else {
5424                                        return Empty.into_any();
5425                                    };
5426                                    this.render_entry(index, len, entry, window, cx)
5427                                }),
5428                            )
5429                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5430                            .flex_grow()
5431                            .into_any(),
5432                        )
5433                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5434                        .into_any()
5435                    } else {
5436                        this.child(self.render_recent_history(window, cx))
5437                            .into_any()
5438                    }
5439                }),
5440            })
5441            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5442            // above so that the scrollbar doesn't render behind it. The current setup allows
5443            // the scrollbar to stop exactly at the activity bar start.
5444            .when(has_messages, |this| match &self.thread_state {
5445                ThreadState::Ready { thread, .. } => {
5446                    this.children(self.render_activity_bar(thread, window, cx))
5447                }
5448                _ => this,
5449            })
5450            .children(self.render_thread_retry_status_callout(window, cx))
5451            .children(self.render_thread_error(window, cx))
5452            .when_some(
5453                self.new_server_version_available.as_ref().filter(|_| {
5454                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5455                }),
5456                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5457            )
5458            .children(
5459                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5460                    Some(usage_callout.into_any_element())
5461                } else {
5462                    self.render_token_limit_callout(line_height, cx)
5463                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5464                },
5465            )
5466            .child(self.render_message_editor(window, cx))
5467    }
5468}
5469
5470fn default_markdown_style(
5471    buffer_font: bool,
5472    muted_text: bool,
5473    window: &Window,
5474    cx: &App,
5475) -> MarkdownStyle {
5476    let theme_settings = ThemeSettings::get_global(cx);
5477    let colors = cx.theme().colors();
5478
5479    let buffer_font_size = TextSize::Small.rems(cx);
5480
5481    let mut text_style = window.text_style();
5482    let line_height = buffer_font_size * 1.75;
5483
5484    let font_family = if buffer_font {
5485        theme_settings.buffer_font.family.clone()
5486    } else {
5487        theme_settings.ui_font.family.clone()
5488    };
5489
5490    let font_size = if buffer_font {
5491        TextSize::Small.rems(cx)
5492    } else {
5493        TextSize::Default.rems(cx)
5494    };
5495
5496    let text_color = if muted_text {
5497        colors.text_muted
5498    } else {
5499        colors.text
5500    };
5501
5502    text_style.refine(&TextStyleRefinement {
5503        font_family: Some(font_family),
5504        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5505        font_features: Some(theme_settings.ui_font.features.clone()),
5506        font_size: Some(font_size.into()),
5507        line_height: Some(line_height.into()),
5508        color: Some(text_color),
5509        ..Default::default()
5510    });
5511
5512    MarkdownStyle {
5513        base_text_style: text_style.clone(),
5514        syntax: cx.theme().syntax().clone(),
5515        selection_background_color: colors.element_selection_background,
5516        code_block_overflow_x_scroll: true,
5517        table_overflow_x_scroll: true,
5518        heading_level_styles: Some(HeadingLevelStyles {
5519            h1: Some(TextStyleRefinement {
5520                font_size: Some(rems(1.15).into()),
5521                ..Default::default()
5522            }),
5523            h2: Some(TextStyleRefinement {
5524                font_size: Some(rems(1.1).into()),
5525                ..Default::default()
5526            }),
5527            h3: Some(TextStyleRefinement {
5528                font_size: Some(rems(1.05).into()),
5529                ..Default::default()
5530            }),
5531            h4: Some(TextStyleRefinement {
5532                font_size: Some(rems(1.).into()),
5533                ..Default::default()
5534            }),
5535            h5: Some(TextStyleRefinement {
5536                font_size: Some(rems(0.95).into()),
5537                ..Default::default()
5538            }),
5539            h6: Some(TextStyleRefinement {
5540                font_size: Some(rems(0.875).into()),
5541                ..Default::default()
5542            }),
5543        }),
5544        code_block: StyleRefinement {
5545            padding: EdgesRefinement {
5546                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5547                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5548                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5549                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(Pixels(8.)))),
5550            },
5551            margin: EdgesRefinement {
5552                top: Some(Length::Definite(Pixels(8.).into())),
5553                left: Some(Length::Definite(Pixels(0.).into())),
5554                right: Some(Length::Definite(Pixels(0.).into())),
5555                bottom: Some(Length::Definite(Pixels(12.).into())),
5556            },
5557            border_style: Some(BorderStyle::Solid),
5558            border_widths: EdgesRefinement {
5559                top: Some(AbsoluteLength::Pixels(Pixels(1.))),
5560                left: Some(AbsoluteLength::Pixels(Pixels(1.))),
5561                right: Some(AbsoluteLength::Pixels(Pixels(1.))),
5562                bottom: Some(AbsoluteLength::Pixels(Pixels(1.))),
5563            },
5564            border_color: Some(colors.border_variant),
5565            background: Some(colors.editor_background.into()),
5566            text: Some(TextStyleRefinement {
5567                font_family: Some(theme_settings.buffer_font.family.clone()),
5568                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5569                font_features: Some(theme_settings.buffer_font.features.clone()),
5570                font_size: Some(buffer_font_size.into()),
5571                ..Default::default()
5572            }),
5573            ..Default::default()
5574        },
5575        inline_code: TextStyleRefinement {
5576            font_family: Some(theme_settings.buffer_font.family.clone()),
5577            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5578            font_features: Some(theme_settings.buffer_font.features.clone()),
5579            font_size: Some(buffer_font_size.into()),
5580            background_color: Some(colors.editor_foreground.opacity(0.08)),
5581            ..Default::default()
5582        },
5583        link: TextStyleRefinement {
5584            background_color: Some(colors.editor_foreground.opacity(0.025)),
5585            underline: Some(UnderlineStyle {
5586                color: Some(colors.text_accent.opacity(0.5)),
5587                thickness: px(1.),
5588                ..Default::default()
5589            }),
5590            ..Default::default()
5591        },
5592        ..Default::default()
5593    }
5594}
5595
5596fn plan_label_markdown_style(
5597    status: &acp::PlanEntryStatus,
5598    window: &Window,
5599    cx: &App,
5600) -> MarkdownStyle {
5601    let default_md_style = default_markdown_style(false, false, window, cx);
5602
5603    MarkdownStyle {
5604        base_text_style: TextStyle {
5605            color: cx.theme().colors().text_muted,
5606            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5607                Some(gpui::StrikethroughStyle {
5608                    thickness: px(1.),
5609                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5610                })
5611            } else {
5612                None
5613            },
5614            ..default_md_style.base_text_style
5615        },
5616        ..default_md_style
5617    }
5618}
5619
5620fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5621    let default_md_style = default_markdown_style(true, false, window, cx);
5622
5623    MarkdownStyle {
5624        base_text_style: TextStyle {
5625            ..default_md_style.base_text_style
5626        },
5627        selection_background_color: cx.theme().colors().element_selection_background,
5628        ..Default::default()
5629    }
5630}
5631
5632#[cfg(test)]
5633pub(crate) mod tests {
5634    use acp_thread::StubAgentConnection;
5635    use agent_client_protocol::SessionId;
5636    use assistant_context::ContextStore;
5637    use editor::EditorSettings;
5638    use fs::FakeFs;
5639    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5640    use project::Project;
5641    use serde_json::json;
5642    use settings::SettingsStore;
5643    use std::any::Any;
5644    use std::path::Path;
5645    use workspace::Item;
5646
5647    use super::*;
5648
5649    #[gpui::test]
5650    async fn test_drop(cx: &mut TestAppContext) {
5651        init_test(cx);
5652
5653        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5654        let weak_view = thread_view.downgrade();
5655        drop(thread_view);
5656        assert!(!weak_view.is_upgradable());
5657    }
5658
5659    #[gpui::test]
5660    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5661        init_test(cx);
5662
5663        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5664
5665        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5666        message_editor.update_in(cx, |editor, window, cx| {
5667            editor.set_text("Hello", window, cx);
5668        });
5669
5670        cx.deactivate_window();
5671
5672        thread_view.update_in(cx, |thread_view, window, cx| {
5673            thread_view.send(window, cx);
5674        });
5675
5676        cx.run_until_parked();
5677
5678        assert!(
5679            cx.windows()
5680                .iter()
5681                .any(|window| window.downcast::<AgentNotification>().is_some())
5682        );
5683    }
5684
5685    #[gpui::test]
5686    async fn test_notification_for_error(cx: &mut TestAppContext) {
5687        init_test(cx);
5688
5689        let (thread_view, cx) =
5690            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5691
5692        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5693        message_editor.update_in(cx, |editor, window, cx| {
5694            editor.set_text("Hello", window, cx);
5695        });
5696
5697        cx.deactivate_window();
5698
5699        thread_view.update_in(cx, |thread_view, window, cx| {
5700            thread_view.send(window, cx);
5701        });
5702
5703        cx.run_until_parked();
5704
5705        assert!(
5706            cx.windows()
5707                .iter()
5708                .any(|window| window.downcast::<AgentNotification>().is_some())
5709        );
5710    }
5711
5712    #[gpui::test]
5713    async fn test_refusal_handling(cx: &mut TestAppContext) {
5714        init_test(cx);
5715
5716        let (thread_view, cx) =
5717            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
5718
5719        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5720        message_editor.update_in(cx, |editor, window, cx| {
5721            editor.set_text("Do something harmful", window, cx);
5722        });
5723
5724        thread_view.update_in(cx, |thread_view, window, cx| {
5725            thread_view.send(window, cx);
5726        });
5727
5728        cx.run_until_parked();
5729
5730        // Check that the refusal error is set
5731        thread_view.read_with(cx, |thread_view, _cx| {
5732            assert!(
5733                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5734                "Expected refusal error to be set"
5735            );
5736        });
5737    }
5738
5739    #[gpui::test]
5740    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5741        init_test(cx);
5742
5743        let tool_call_id = acp::ToolCallId("1".into());
5744        let tool_call = acp::ToolCall {
5745            id: tool_call_id.clone(),
5746            title: "Label".into(),
5747            kind: acp::ToolKind::Edit,
5748            status: acp::ToolCallStatus::Pending,
5749            content: vec!["hi".into()],
5750            locations: vec![],
5751            raw_input: None,
5752            raw_output: None,
5753            meta: None,
5754        };
5755        let connection =
5756            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5757                tool_call_id,
5758                vec![acp::PermissionOption {
5759                    id: acp::PermissionOptionId("1".into()),
5760                    name: "Allow".into(),
5761                    kind: acp::PermissionOptionKind::AllowOnce,
5762                    meta: None,
5763                }],
5764            )]));
5765
5766        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5767
5768        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5769
5770        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5771        message_editor.update_in(cx, |editor, window, cx| {
5772            editor.set_text("Hello", window, cx);
5773        });
5774
5775        cx.deactivate_window();
5776
5777        thread_view.update_in(cx, |thread_view, window, cx| {
5778            thread_view.send(window, cx);
5779        });
5780
5781        cx.run_until_parked();
5782
5783        assert!(
5784            cx.windows()
5785                .iter()
5786                .any(|window| window.downcast::<AgentNotification>().is_some())
5787        );
5788    }
5789
5790    async fn setup_thread_view(
5791        agent: impl AgentServer + 'static,
5792        cx: &mut TestAppContext,
5793    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5794        let fs = FakeFs::new(cx.executor());
5795        let project = Project::test(fs, [], cx).await;
5796        let (workspace, cx) =
5797            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5798
5799        let context_store =
5800            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5801        let history_store =
5802            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5803
5804        let thread_view = cx.update(|window, cx| {
5805            cx.new(|cx| {
5806                AcpThreadView::new(
5807                    Rc::new(agent),
5808                    None,
5809                    None,
5810                    workspace.downgrade(),
5811                    project,
5812                    history_store,
5813                    None,
5814                    window,
5815                    cx,
5816                )
5817            })
5818        });
5819        cx.run_until_parked();
5820        (thread_view, cx)
5821    }
5822
5823    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5824        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5825
5826        workspace
5827            .update_in(cx, |workspace, window, cx| {
5828                workspace.add_item_to_active_pane(
5829                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5830                    None,
5831                    true,
5832                    window,
5833                    cx,
5834                );
5835            })
5836            .unwrap();
5837    }
5838
5839    struct ThreadViewItem(Entity<AcpThreadView>);
5840
5841    impl Item for ThreadViewItem {
5842        type Event = ();
5843
5844        fn include_in_nav_history() -> bool {
5845            false
5846        }
5847
5848        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5849            "Test".into()
5850        }
5851    }
5852
5853    impl EventEmitter<()> for ThreadViewItem {}
5854
5855    impl Focusable for ThreadViewItem {
5856        fn focus_handle(&self, cx: &App) -> FocusHandle {
5857            self.0.read(cx).focus_handle(cx)
5858        }
5859    }
5860
5861    impl Render for ThreadViewItem {
5862        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5863            self.0.clone().into_any_element()
5864        }
5865    }
5866
5867    struct StubAgentServer<C> {
5868        connection: C,
5869    }
5870
5871    impl<C> StubAgentServer<C> {
5872        fn new(connection: C) -> Self {
5873            Self { connection }
5874        }
5875    }
5876
5877    impl StubAgentServer<StubAgentConnection> {
5878        fn default_response() -> Self {
5879            let conn = StubAgentConnection::new();
5880            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5881                content: "Default response".into(),
5882            }]);
5883            Self::new(conn)
5884        }
5885    }
5886
5887    impl<C> AgentServer for StubAgentServer<C>
5888    where
5889        C: 'static + AgentConnection + Send + Clone,
5890    {
5891        fn telemetry_id(&self) -> &'static str {
5892            "test"
5893        }
5894
5895        fn logo(&self) -> ui::IconName {
5896            ui::IconName::Ai
5897        }
5898
5899        fn name(&self) -> SharedString {
5900            "Test".into()
5901        }
5902
5903        fn connect(
5904            &self,
5905            _root_dir: Option<&Path>,
5906            _delegate: AgentServerDelegate,
5907            _cx: &mut App,
5908        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
5909            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
5910        }
5911
5912        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5913            self
5914        }
5915    }
5916
5917    #[derive(Clone)]
5918    struct SaboteurAgentConnection;
5919
5920    impl AgentConnection for SaboteurAgentConnection {
5921        fn new_thread(
5922            self: Rc<Self>,
5923            project: Entity<Project>,
5924            _cwd: &Path,
5925            cx: &mut gpui::App,
5926        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5927            Task::ready(Ok(cx.new(|cx| {
5928                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5929                AcpThread::new(
5930                    "SaboteurAgentConnection",
5931                    self,
5932                    project,
5933                    action_log,
5934                    SessionId("test".into()),
5935                    watch::Receiver::constant(acp::PromptCapabilities {
5936                        image: true,
5937                        audio: true,
5938                        embedded_context: true,
5939                        meta: None,
5940                    }),
5941                    cx,
5942                )
5943            })))
5944        }
5945
5946        fn auth_methods(&self) -> &[acp::AuthMethod] {
5947            &[]
5948        }
5949
5950        fn authenticate(
5951            &self,
5952            _method_id: acp::AuthMethodId,
5953            _cx: &mut App,
5954        ) -> Task<gpui::Result<()>> {
5955            unimplemented!()
5956        }
5957
5958        fn prompt(
5959            &self,
5960            _id: Option<acp_thread::UserMessageId>,
5961            _params: acp::PromptRequest,
5962            _cx: &mut App,
5963        ) -> Task<gpui::Result<acp::PromptResponse>> {
5964            Task::ready(Err(anyhow::anyhow!("Error prompting")))
5965        }
5966
5967        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
5968            unimplemented!()
5969        }
5970
5971        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5972            self
5973        }
5974    }
5975
5976    /// Simulates a model which always returns a refusal response
5977    #[derive(Clone)]
5978    struct RefusalAgentConnection;
5979
5980    impl AgentConnection for RefusalAgentConnection {
5981        fn new_thread(
5982            self: Rc<Self>,
5983            project: Entity<Project>,
5984            _cwd: &Path,
5985            cx: &mut gpui::App,
5986        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5987            Task::ready(Ok(cx.new(|cx| {
5988                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5989                AcpThread::new(
5990                    "RefusalAgentConnection",
5991                    self,
5992                    project,
5993                    action_log,
5994                    SessionId("test".into()),
5995                    watch::Receiver::constant(acp::PromptCapabilities {
5996                        image: true,
5997                        audio: true,
5998                        embedded_context: true,
5999                        meta: None,
6000                    }),
6001                    cx,
6002                )
6003            })))
6004        }
6005
6006        fn auth_methods(&self) -> &[acp::AuthMethod] {
6007            &[]
6008        }
6009
6010        fn authenticate(
6011            &self,
6012            _method_id: acp::AuthMethodId,
6013            _cx: &mut App,
6014        ) -> Task<gpui::Result<()>> {
6015            unimplemented!()
6016        }
6017
6018        fn prompt(
6019            &self,
6020            _id: Option<acp_thread::UserMessageId>,
6021            _params: acp::PromptRequest,
6022            _cx: &mut App,
6023        ) -> Task<gpui::Result<acp::PromptResponse>> {
6024            Task::ready(Ok(acp::PromptResponse {
6025                stop_reason: acp::StopReason::Refusal,
6026                meta: None,
6027            }))
6028        }
6029
6030        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6031            unimplemented!()
6032        }
6033
6034        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6035            self
6036        }
6037    }
6038
6039    pub(crate) fn init_test(cx: &mut TestAppContext) {
6040        cx.update(|cx| {
6041            let settings_store = SettingsStore::test(cx);
6042            cx.set_global(settings_store);
6043            language::init(cx);
6044            Project::init_settings(cx);
6045            AgentSettings::register(cx);
6046            workspace::init_settings(cx);
6047            ThemeSettings::register(cx);
6048            release_channel::init(SemanticVersion::default(), cx);
6049            EditorSettings::register(cx);
6050            prompt_store::init(cx)
6051        });
6052    }
6053
6054    #[gpui::test]
6055    async fn test_rewind_views(cx: &mut TestAppContext) {
6056        init_test(cx);
6057
6058        let fs = FakeFs::new(cx.executor());
6059        fs.insert_tree(
6060            "/project",
6061            json!({
6062                "test1.txt": "old content 1",
6063                "test2.txt": "old content 2"
6064            }),
6065        )
6066        .await;
6067        let project = Project::test(fs, [Path::new("/project")], cx).await;
6068        let (workspace, cx) =
6069            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6070
6071        let context_store =
6072            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
6073        let history_store =
6074            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
6075
6076        let connection = Rc::new(StubAgentConnection::new());
6077        let thread_view = cx.update(|window, cx| {
6078            cx.new(|cx| {
6079                AcpThreadView::new(
6080                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6081                    None,
6082                    None,
6083                    workspace.downgrade(),
6084                    project.clone(),
6085                    history_store.clone(),
6086                    None,
6087                    window,
6088                    cx,
6089                )
6090            })
6091        });
6092
6093        cx.run_until_parked();
6094
6095        let thread = thread_view
6096            .read_with(cx, |view, _| view.thread().cloned())
6097            .unwrap();
6098
6099        // First user message
6100        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6101            id: acp::ToolCallId("tool1".into()),
6102            title: "Edit file 1".into(),
6103            kind: acp::ToolKind::Edit,
6104            status: acp::ToolCallStatus::Completed,
6105            content: vec![acp::ToolCallContent::Diff {
6106                diff: acp::Diff {
6107                    path: "/project/test1.txt".into(),
6108                    old_text: Some("old content 1".into()),
6109                    new_text: "new content 1".into(),
6110                    meta: None,
6111                },
6112            }],
6113            locations: vec![],
6114            raw_input: None,
6115            raw_output: None,
6116            meta: None,
6117        })]);
6118
6119        thread
6120            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6121            .await
6122            .unwrap();
6123        cx.run_until_parked();
6124
6125        thread.read_with(cx, |thread, _| {
6126            assert_eq!(thread.entries().len(), 2);
6127        });
6128
6129        thread_view.read_with(cx, |view, cx| {
6130            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6131                assert!(
6132                    entry_view_state
6133                        .entry(0)
6134                        .unwrap()
6135                        .message_editor()
6136                        .is_some()
6137                );
6138                assert!(entry_view_state.entry(1).unwrap().has_content());
6139            });
6140        });
6141
6142        // Second user message
6143        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6144            id: acp::ToolCallId("tool2".into()),
6145            title: "Edit file 2".into(),
6146            kind: acp::ToolKind::Edit,
6147            status: acp::ToolCallStatus::Completed,
6148            content: vec![acp::ToolCallContent::Diff {
6149                diff: acp::Diff {
6150                    path: "/project/test2.txt".into(),
6151                    old_text: Some("old content 2".into()),
6152                    new_text: "new content 2".into(),
6153                    meta: None,
6154                },
6155            }],
6156            locations: vec![],
6157            raw_input: None,
6158            raw_output: None,
6159            meta: None,
6160        })]);
6161
6162        thread
6163            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6164            .await
6165            .unwrap();
6166        cx.run_until_parked();
6167
6168        let second_user_message_id = thread.read_with(cx, |thread, _| {
6169            assert_eq!(thread.entries().len(), 4);
6170            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6171                panic!();
6172            };
6173            user_message.id.clone().unwrap()
6174        });
6175
6176        thread_view.read_with(cx, |view, cx| {
6177            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6178                assert!(
6179                    entry_view_state
6180                        .entry(0)
6181                        .unwrap()
6182                        .message_editor()
6183                        .is_some()
6184                );
6185                assert!(entry_view_state.entry(1).unwrap().has_content());
6186                assert!(
6187                    entry_view_state
6188                        .entry(2)
6189                        .unwrap()
6190                        .message_editor()
6191                        .is_some()
6192                );
6193                assert!(entry_view_state.entry(3).unwrap().has_content());
6194            });
6195        });
6196
6197        // Rewind to first message
6198        thread
6199            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6200            .await
6201            .unwrap();
6202
6203        cx.run_until_parked();
6204
6205        thread.read_with(cx, |thread, _| {
6206            assert_eq!(thread.entries().len(), 2);
6207        });
6208
6209        thread_view.read_with(cx, |view, cx| {
6210            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6211                assert!(
6212                    entry_view_state
6213                        .entry(0)
6214                        .unwrap()
6215                        .message_editor()
6216                        .is_some()
6217                );
6218                assert!(entry_view_state.entry(1).unwrap().has_content());
6219
6220                // Old views should be dropped
6221                assert!(entry_view_state.entry(2).is_none());
6222                assert!(entry_view_state.entry(3).is_none());
6223            });
6224        });
6225    }
6226
6227    #[gpui::test]
6228    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6229        init_test(cx);
6230
6231        let connection = StubAgentConnection::new();
6232
6233        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6234            content: acp::ContentBlock::Text(acp::TextContent {
6235                text: "Response".into(),
6236                annotations: None,
6237                meta: None,
6238            }),
6239        }]);
6240
6241        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6242        add_to_workspace(thread_view.clone(), cx);
6243
6244        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6245        message_editor.update_in(cx, |editor, window, cx| {
6246            editor.set_text("Original message to edit", window, cx);
6247        });
6248        thread_view.update_in(cx, |thread_view, window, cx| {
6249            thread_view.send(window, cx);
6250        });
6251
6252        cx.run_until_parked();
6253
6254        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6255            assert_eq!(view.editing_message, None);
6256
6257            view.entry_view_state
6258                .read(cx)
6259                .entry(0)
6260                .unwrap()
6261                .message_editor()
6262                .unwrap()
6263                .clone()
6264        });
6265
6266        // Focus
6267        cx.focus(&user_message_editor);
6268        thread_view.read_with(cx, |view, _cx| {
6269            assert_eq!(view.editing_message, Some(0));
6270        });
6271
6272        // Edit
6273        user_message_editor.update_in(cx, |editor, window, cx| {
6274            editor.set_text("Edited message content", window, cx);
6275        });
6276
6277        // Cancel
6278        user_message_editor.update_in(cx, |_editor, window, cx| {
6279            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6280        });
6281
6282        thread_view.read_with(cx, |view, _cx| {
6283            assert_eq!(view.editing_message, None);
6284        });
6285
6286        user_message_editor.read_with(cx, |editor, cx| {
6287            assert_eq!(editor.text(cx), "Original message to edit");
6288        });
6289    }
6290
6291    #[gpui::test]
6292    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6293        init_test(cx);
6294
6295        let connection = StubAgentConnection::new();
6296
6297        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6298        add_to_workspace(thread_view.clone(), cx);
6299
6300        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6301        let mut events = cx.events(&message_editor);
6302        message_editor.update_in(cx, |editor, window, cx| {
6303            editor.set_text("", window, cx);
6304        });
6305
6306        message_editor.update_in(cx, |_editor, window, cx| {
6307            window.dispatch_action(Box::new(Chat), cx);
6308        });
6309        cx.run_until_parked();
6310        // We shouldn't have received any messages
6311        assert!(matches!(
6312            events.try_next(),
6313            Err(futures::channel::mpsc::TryRecvError { .. })
6314        ));
6315    }
6316
6317    #[gpui::test]
6318    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6319        init_test(cx);
6320
6321        let connection = StubAgentConnection::new();
6322
6323        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6324            content: acp::ContentBlock::Text(acp::TextContent {
6325                text: "Response".into(),
6326                annotations: None,
6327                meta: None,
6328            }),
6329        }]);
6330
6331        let (thread_view, cx) =
6332            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6333        add_to_workspace(thread_view.clone(), cx);
6334
6335        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6336        message_editor.update_in(cx, |editor, window, cx| {
6337            editor.set_text("Original message to edit", window, cx);
6338        });
6339        thread_view.update_in(cx, |thread_view, window, cx| {
6340            thread_view.send(window, cx);
6341        });
6342
6343        cx.run_until_parked();
6344
6345        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6346            assert_eq!(view.editing_message, None);
6347            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6348
6349            view.entry_view_state
6350                .read(cx)
6351                .entry(0)
6352                .unwrap()
6353                .message_editor()
6354                .unwrap()
6355                .clone()
6356        });
6357
6358        // Focus
6359        cx.focus(&user_message_editor);
6360
6361        // Edit
6362        user_message_editor.update_in(cx, |editor, window, cx| {
6363            editor.set_text("Edited message content", window, cx);
6364        });
6365
6366        // Send
6367        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6368            content: acp::ContentBlock::Text(acp::TextContent {
6369                text: "New Response".into(),
6370                annotations: None,
6371                meta: None,
6372            }),
6373        }]);
6374
6375        user_message_editor.update_in(cx, |_editor, window, cx| {
6376            window.dispatch_action(Box::new(Chat), cx);
6377        });
6378
6379        cx.run_until_parked();
6380
6381        thread_view.read_with(cx, |view, cx| {
6382            assert_eq!(view.editing_message, None);
6383
6384            let entries = view.thread().unwrap().read(cx).entries();
6385            assert_eq!(entries.len(), 2);
6386            assert_eq!(
6387                entries[0].to_markdown(cx),
6388                "## User\n\nEdited message content\n\n"
6389            );
6390            assert_eq!(
6391                entries[1].to_markdown(cx),
6392                "## Assistant\n\nNew Response\n\n"
6393            );
6394
6395            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6396                assert!(!state.entry(1).unwrap().has_content());
6397                state.entry(0).unwrap().message_editor().unwrap().clone()
6398            });
6399
6400            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6401        })
6402    }
6403
6404    #[gpui::test]
6405    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6406        init_test(cx);
6407
6408        let connection = StubAgentConnection::new();
6409
6410        let (thread_view, cx) =
6411            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6412        add_to_workspace(thread_view.clone(), cx);
6413
6414        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6415        message_editor.update_in(cx, |editor, window, cx| {
6416            editor.set_text("Original message to edit", window, cx);
6417        });
6418        thread_view.update_in(cx, |thread_view, window, cx| {
6419            thread_view.send(window, cx);
6420        });
6421
6422        cx.run_until_parked();
6423
6424        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6425            let thread = view.thread().unwrap().read(cx);
6426            assert_eq!(thread.entries().len(), 1);
6427
6428            let editor = view
6429                .entry_view_state
6430                .read(cx)
6431                .entry(0)
6432                .unwrap()
6433                .message_editor()
6434                .unwrap()
6435                .clone();
6436
6437            (editor, thread.session_id().clone())
6438        });
6439
6440        // Focus
6441        cx.focus(&user_message_editor);
6442
6443        thread_view.read_with(cx, |view, _cx| {
6444            assert_eq!(view.editing_message, Some(0));
6445        });
6446
6447        // Edit
6448        user_message_editor.update_in(cx, |editor, window, cx| {
6449            editor.set_text("Edited message content", window, cx);
6450        });
6451
6452        thread_view.read_with(cx, |view, _cx| {
6453            assert_eq!(view.editing_message, Some(0));
6454        });
6455
6456        // Finish streaming response
6457        cx.update(|_, cx| {
6458            connection.send_update(
6459                session_id.clone(),
6460                acp::SessionUpdate::AgentMessageChunk {
6461                    content: acp::ContentBlock::Text(acp::TextContent {
6462                        text: "Response".into(),
6463                        annotations: None,
6464                        meta: None,
6465                    }),
6466                },
6467                cx,
6468            );
6469            connection.end_turn(session_id, acp::StopReason::EndTurn);
6470        });
6471
6472        thread_view.read_with(cx, |view, _cx| {
6473            assert_eq!(view.editing_message, Some(0));
6474        });
6475
6476        cx.run_until_parked();
6477
6478        // Should still be editing
6479        cx.update(|window, cx| {
6480            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6481            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6482            assert_eq!(
6483                user_message_editor.read(cx).text(cx),
6484                "Edited message content"
6485            );
6486        });
6487    }
6488
6489    #[gpui::test]
6490    async fn test_interrupt(cx: &mut TestAppContext) {
6491        init_test(cx);
6492
6493        let connection = StubAgentConnection::new();
6494
6495        let (thread_view, cx) =
6496            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6497        add_to_workspace(thread_view.clone(), cx);
6498
6499        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6500        message_editor.update_in(cx, |editor, window, cx| {
6501            editor.set_text("Message 1", window, cx);
6502        });
6503        thread_view.update_in(cx, |thread_view, window, cx| {
6504            thread_view.send(window, cx);
6505        });
6506
6507        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6508            let thread = view.thread().unwrap();
6509
6510            (thread.clone(), thread.read(cx).session_id().clone())
6511        });
6512
6513        cx.run_until_parked();
6514
6515        cx.update(|_, cx| {
6516            connection.send_update(
6517                session_id.clone(),
6518                acp::SessionUpdate::AgentMessageChunk {
6519                    content: "Message 1 resp".into(),
6520                },
6521                cx,
6522            );
6523        });
6524
6525        cx.run_until_parked();
6526
6527        thread.read_with(cx, |thread, cx| {
6528            assert_eq!(
6529                thread.to_markdown(cx),
6530                indoc::indoc! {"
6531                    ## User
6532
6533                    Message 1
6534
6535                    ## Assistant
6536
6537                    Message 1 resp
6538
6539                "}
6540            )
6541        });
6542
6543        message_editor.update_in(cx, |editor, window, cx| {
6544            editor.set_text("Message 2", window, cx);
6545        });
6546        thread_view.update_in(cx, |thread_view, window, cx| {
6547            thread_view.send(window, cx);
6548        });
6549
6550        cx.update(|_, cx| {
6551            // Simulate a response sent after beginning to cancel
6552            connection.send_update(
6553                session_id.clone(),
6554                acp::SessionUpdate::AgentMessageChunk {
6555                    content: "onse".into(),
6556                },
6557                cx,
6558            );
6559        });
6560
6561        cx.run_until_parked();
6562
6563        // Last Message 1 response should appear before Message 2
6564        thread.read_with(cx, |thread, cx| {
6565            assert_eq!(
6566                thread.to_markdown(cx),
6567                indoc::indoc! {"
6568                    ## User
6569
6570                    Message 1
6571
6572                    ## Assistant
6573
6574                    Message 1 response
6575
6576                    ## User
6577
6578                    Message 2
6579
6580                "}
6581            )
6582        });
6583
6584        cx.update(|_, cx| {
6585            connection.send_update(
6586                session_id.clone(),
6587                acp::SessionUpdate::AgentMessageChunk {
6588                    content: "Message 2 response".into(),
6589                },
6590                cx,
6591            );
6592            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6593        });
6594
6595        cx.run_until_parked();
6596
6597        thread.read_with(cx, |thread, cx| {
6598            assert_eq!(
6599                thread.to_markdown(cx),
6600                indoc::indoc! {"
6601                    ## User
6602
6603                    Message 1
6604
6605                    ## Assistant
6606
6607                    Message 1 response
6608
6609                    ## User
6610
6611                    Message 2
6612
6613                    ## Assistant
6614
6615                    Message 2 response
6616
6617                "}
6618            )
6619        });
6620    }
6621}