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