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, 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    resume_thread_metadata: Option<DbThreadMetadata>,
 293    _cancel_task: Option<Task<()>>,
 294    _subscriptions: [Subscription; 5],
 295}
 296
 297enum ThreadState {
 298    Loading(Entity<LoadingView>),
 299    Ready {
 300        thread: Entity<AcpThread>,
 301        title_editor: Option<Entity<Editor>>,
 302        mode_selector: Option<Entity<ModeSelector>>,
 303        _subscriptions: Vec<Subscription>,
 304    },
 305    LoadError(LoadError),
 306    Unauthenticated {
 307        connection: Rc<dyn AgentConnection>,
 308        description: Option<Entity<Markdown>>,
 309        configuration_view: Option<AnyView>,
 310        pending_auth_method: Option<acp::AuthMethodId>,
 311        _subscription: Option<Subscription>,
 312    },
 313}
 314
 315struct LoadingView {
 316    title: SharedString,
 317    _load_task: Task<()>,
 318    _update_title_task: Task<anyhow::Result<()>>,
 319}
 320
 321impl AcpThreadView {
 322    pub fn new(
 323        agent: Rc<dyn AgentServer>,
 324        resume_thread: Option<DbThreadMetadata>,
 325        summarize_thread: Option<DbThreadMetadata>,
 326        workspace: WeakEntity<Workspace>,
 327        project: Entity<Project>,
 328        history_store: Entity<HistoryStore>,
 329        prompt_store: Option<Entity<PromptStore>>,
 330        window: &mut Window,
 331        cx: &mut Context<Self>,
 332    ) -> Self {
 333        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 334        let available_commands = Rc::new(RefCell::new(vec![]));
 335
 336        let placeholder = if agent.name() == "Zed Agent" {
 337            format!("Message the {} — @ to include context", agent.name())
 338        } else if agent.name() == "Claude Code" || !available_commands.borrow().is_empty() {
 339            format!(
 340                "Message {} — @ to include context, / for commands",
 341                agent.name()
 342            )
 343        } else {
 344            format!("Message {} — @ to include context", agent.name())
 345        };
 346
 347        let message_editor = cx.new(|cx| {
 348            let mut editor = MessageEditor::new(
 349                workspace.clone(),
 350                project.clone(),
 351                history_store.clone(),
 352                prompt_store.clone(),
 353                prompt_capabilities.clone(),
 354                available_commands.clone(),
 355                agent.name(),
 356                &placeholder,
 357                editor::EditorMode::AutoHeight {
 358                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 359                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 360                },
 361                window,
 362                cx,
 363            );
 364            if let Some(entry) = summarize_thread {
 365                editor.insert_thread_summary(entry, window, cx);
 366            }
 367            editor
 368        });
 369
 370        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 371
 372        let entry_view_state = cx.new(|_| {
 373            EntryViewState::new(
 374                workspace.clone(),
 375                project.clone(),
 376                history_store.clone(),
 377                prompt_store.clone(),
 378                prompt_capabilities.clone(),
 379                available_commands.clone(),
 380                agent.name(),
 381            )
 382        });
 383
 384        let agent_server_store = project.read(cx).agent_server_store().clone();
 385        let subscriptions = [
 386            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 387            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 388            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 389            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 390            cx.subscribe_in(
 391                &agent_server_store,
 392                window,
 393                Self::handle_agent_servers_updated,
 394            ),
 395        ];
 396
 397        Self {
 398            agent: agent.clone(),
 399            workspace: workspace.clone(),
 400            project: project.clone(),
 401            entry_view_state,
 402            thread_state: Self::initial_state(
 403                agent.clone(),
 404                resume_thread.clone(),
 405                workspace.clone(),
 406                project.clone(),
 407                window,
 408                cx,
 409            ),
 410            login: None,
 411            message_editor,
 412            model_selector: None,
 413            profile_selector: None,
 414
 415            notifications: Vec::new(),
 416            notification_subscriptions: HashMap::default(),
 417            list_state: list_state,
 418            thread_retry_status: None,
 419            thread_error: None,
 420            thread_feedback: Default::default(),
 421            auth_task: None,
 422            expanded_tool_calls: HashSet::default(),
 423            expanded_thinking_blocks: HashSet::default(),
 424            editing_message: None,
 425            edits_expanded: false,
 426            plan_expanded: false,
 427            prompt_capabilities,
 428            available_commands,
 429            editor_expanded: false,
 430            should_be_following: false,
 431            history_store,
 432            hovered_recent_history_item: None,
 433            is_loading_contents: false,
 434            _subscriptions: subscriptions,
 435            _cancel_task: None,
 436            focus_handle: cx.focus_handle(),
 437            new_server_version_available: None,
 438            resume_thread_metadata: resume_thread,
 439        }
 440    }
 441
 442    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 443        self.thread_state = Self::initial_state(
 444            self.agent.clone(),
 445            self.resume_thread_metadata.clone(),
 446            self.workspace.clone(),
 447            self.project.clone(),
 448            window,
 449            cx,
 450        );
 451        self.available_commands.replace(vec![]);
 452        self.new_server_version_available.take();
 453        cx.notify();
 454    }
 455
 456    fn initial_state(
 457        agent: Rc<dyn AgentServer>,
 458        resume_thread: Option<DbThreadMetadata>,
 459        workspace: WeakEntity<Workspace>,
 460        project: Entity<Project>,
 461        window: &mut Window,
 462        cx: &mut Context<Self>,
 463    ) -> ThreadState {
 464        if project.read(cx).is_via_collab()
 465            && agent.clone().downcast::<NativeAgentServer>().is_none()
 466        {
 467            return ThreadState::LoadError(LoadError::Other(
 468                "External agents are not yet supported in shared projects.".into(),
 469            ));
 470        }
 471        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 472        // Pick the first non-single-file worktree for the root directory if there are any,
 473        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 474        worktrees.sort_by(|l, r| {
 475            l.read(cx)
 476                .is_single_file()
 477                .cmp(&r.read(cx).is_single_file())
 478        });
 479        let root_dir = worktrees
 480            .into_iter()
 481            .filter_map(|worktree| {
 482                if worktree.read(cx).is_single_file() {
 483                    Some(worktree.read(cx).abs_path().parent()?.into())
 484                } else {
 485                    Some(worktree.read(cx).abs_path())
 486                }
 487            })
 488            .next();
 489        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 490        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 491        let delegate = AgentServerDelegate::new(
 492            project.read(cx).agent_server_store().clone(),
 493            project.clone(),
 494            Some(status_tx),
 495            Some(new_version_available_tx),
 496        );
 497
 498        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 499        let load_task = cx.spawn_in(window, async move |this, cx| {
 500            let connection = match connect_task.await {
 501                Ok((connection, login)) => {
 502                    this.update(cx, |this, _| this.login = login).ok();
 503                    connection
 504                }
 505                Err(err) => {
 506                    this.update_in(cx, |this, window, cx| {
 507                        if err.downcast_ref::<LoadError>().is_some() {
 508                            this.handle_load_error(err, window, cx);
 509                        } else {
 510                            this.handle_thread_error(err, cx);
 511                        }
 512                        cx.notify();
 513                    })
 514                    .log_err();
 515                    return;
 516                }
 517            };
 518
 519            let result = if let Some(native_agent) = connection
 520                .clone()
 521                .downcast::<agent2::NativeAgentConnection>()
 522                && let Some(resume) = resume_thread.clone()
 523            {
 524                cx.update(|_, cx| {
 525                    native_agent
 526                        .0
 527                        .update(cx, |agent, cx| agent.open_thread(resume.id, cx))
 528                })
 529                .log_err()
 530            } else {
 531                let root_dir = if let Some(acp_agent) = connection
 532                    .clone()
 533                    .downcast::<agent_servers::AcpConnection>()
 534                {
 535                    acp_agent.root_dir().into()
 536                } else {
 537                    root_dir.unwrap_or(paths::home_dir().as_path().into())
 538                };
 539                cx.update(|_, cx| {
 540                    connection
 541                        .clone()
 542                        .new_thread(project.clone(), &root_dir, cx)
 543                })
 544                .log_err()
 545            };
 546
 547            let Some(result) = result else {
 548                return;
 549            };
 550
 551            let result = match result.await {
 552                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 553                    Ok(err) => {
 554                        cx.update(|window, cx| {
 555                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 556                        })
 557                        .log_err();
 558                        return;
 559                    }
 560                    Err(err) => Err(err),
 561                },
 562                Ok(thread) => Ok(thread),
 563            };
 564
 565            this.update_in(cx, |this, window, cx| {
 566                match result {
 567                    Ok(thread) => {
 568                        let action_log = thread.read(cx).action_log().clone();
 569
 570                        this.prompt_capabilities
 571                            .replace(thread.read(cx).prompt_capabilities());
 572
 573                        let count = thread.read(cx).entries().len();
 574                        this.entry_view_state.update(cx, |view_state, cx| {
 575                            for ix in 0..count {
 576                                view_state.sync_entry(ix, &thread, window, cx);
 577                            }
 578                            this.list_state.splice_focusable(
 579                                0..0,
 580                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 581                            );
 582                        });
 583
 584                        if let Some(resume) = resume_thread {
 585                            this.history_store.update(cx, |history, cx| {
 586                                history.push_recently_opened_entry(
 587                                    HistoryEntryId::AcpThread(resume.id),
 588                                    cx,
 589                                );
 590                            });
 591                        }
 592
 593                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 594
 595                        this.model_selector = thread
 596                            .read(cx)
 597                            .connection()
 598                            .model_selector(thread.read(cx).session_id())
 599                            .map(|selector| {
 600                                cx.new(|cx| {
 601                                    AcpModelSelectorPopover::new(
 602                                        selector,
 603                                        PopoverMenuHandle::default(),
 604                                        this.focus_handle(cx),
 605                                        window,
 606                                        cx,
 607                                    )
 608                                })
 609                            });
 610
 611                        let mode_selector = thread
 612                            .read(cx)
 613                            .connection()
 614                            .session_modes(thread.read(cx).session_id(), cx)
 615                            .map(|session_modes| {
 616                                let fs = this.project.read(cx).fs().clone();
 617                                let focus_handle = this.focus_handle(cx);
 618                                cx.new(|_cx| {
 619                                    ModeSelector::new(
 620                                        session_modes,
 621                                        this.agent.clone(),
 622                                        fs,
 623                                        focus_handle,
 624                                    )
 625                                })
 626                            });
 627
 628                        let mut subscriptions = vec![
 629                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 630                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 631                        ];
 632
 633                        let title_editor =
 634                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 635                                let editor = cx.new(|cx| {
 636                                    let mut editor = Editor::single_line(window, cx);
 637                                    editor.set_text(thread.read(cx).title(), window, cx);
 638                                    editor
 639                                });
 640                                subscriptions.push(cx.subscribe_in(
 641                                    &editor,
 642                                    window,
 643                                    Self::handle_title_editor_event,
 644                                ));
 645                                Some(editor)
 646                            } else {
 647                                None
 648                            };
 649
 650                        this.thread_state = ThreadState::Ready {
 651                            thread,
 652                            title_editor,
 653                            mode_selector,
 654                            _subscriptions: subscriptions,
 655                        };
 656                        this.message_editor.focus_handle(cx).focus(window);
 657
 658                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 659                            cx.new(|cx| {
 660                                ProfileSelector::new(
 661                                    <dyn Fs>::global(cx),
 662                                    Arc::new(thread.clone()),
 663                                    this.focus_handle(cx),
 664                                    cx,
 665                                )
 666                            })
 667                        });
 668
 669                        cx.notify();
 670                    }
 671                    Err(err) => {
 672                        this.handle_load_error(err, window, cx);
 673                    }
 674                };
 675            })
 676            .log_err();
 677        });
 678
 679        cx.spawn(async move |this, cx| {
 680            while let Ok(new_version) = new_version_available_rx.recv().await {
 681                if let Some(new_version) = new_version {
 682                    this.update(cx, |this, cx| {
 683                        this.new_server_version_available = Some(new_version.into());
 684                        cx.notify();
 685                    })
 686                    .log_err();
 687                }
 688            }
 689        })
 690        .detach();
 691
 692        let loading_view = cx.new(|cx| {
 693            let update_title_task = cx.spawn(async move |this, cx| {
 694                loop {
 695                    let status = status_rx.recv().await?;
 696                    this.update(cx, |this: &mut LoadingView, cx| {
 697                        this.title = status;
 698                        cx.notify();
 699                    })?;
 700                }
 701            });
 702
 703            LoadingView {
 704                title: "Loading…".into(),
 705                _load_task: load_task,
 706                _update_title_task: update_title_task,
 707            }
 708        });
 709
 710        ThreadState::Loading(loading_view)
 711    }
 712
 713    fn handle_auth_required(
 714        this: WeakEntity<Self>,
 715        err: AuthRequired,
 716        agent: Rc<dyn AgentServer>,
 717        connection: Rc<dyn AgentConnection>,
 718        window: &mut Window,
 719        cx: &mut App,
 720    ) {
 721        let agent_name = agent.name();
 722        let (configuration_view, subscription) = if let Some(provider_id) = err.provider_id {
 723            let registry = LanguageModelRegistry::global(cx);
 724
 725            let sub = window.subscribe(®istry, cx, {
 726                let provider_id = provider_id.clone();
 727                let this = this.clone();
 728                move |_, ev, window, cx| {
 729                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 730                        && &provider_id == updated_provider_id
 731                        && LanguageModelRegistry::global(cx)
 732                            .read(cx)
 733                            .provider(&provider_id)
 734                            .map_or(false, |provider| provider.is_authenticated(cx))
 735                    {
 736                        this.update(cx, |this, cx| {
 737                            this.reset(window, cx);
 738                        })
 739                        .ok();
 740                    }
 741                }
 742            });
 743
 744            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 745                provider.configuration_view(
 746                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 747                    window,
 748                    cx,
 749                )
 750            });
 751
 752            (view, Some(sub))
 753        } else {
 754            (None, None)
 755        };
 756
 757        this.update(cx, |this, cx| {
 758            this.thread_state = ThreadState::Unauthenticated {
 759                pending_auth_method: None,
 760                connection,
 761                configuration_view,
 762                description: err
 763                    .description
 764                    .clone()
 765                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 766                _subscription: subscription,
 767            };
 768            if this.message_editor.focus_handle(cx).is_focused(window) {
 769                this.focus_handle.focus(window)
 770            }
 771            cx.notify();
 772        })
 773        .ok();
 774    }
 775
 776    fn handle_load_error(
 777        &mut self,
 778        err: anyhow::Error,
 779        window: &mut Window,
 780        cx: &mut Context<Self>,
 781    ) {
 782        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 783            self.thread_state = ThreadState::LoadError(load_err.clone());
 784        } else {
 785            self.thread_state = ThreadState::LoadError(LoadError::Other(err.to_string().into()))
 786        }
 787        if self.message_editor.focus_handle(cx).is_focused(window) {
 788            self.focus_handle.focus(window)
 789        }
 790        cx.notify();
 791    }
 792
 793    fn handle_agent_servers_updated(
 794        &mut self,
 795        _agent_server_store: &Entity<project::AgentServerStore>,
 796        _event: &project::AgentServersUpdated,
 797        window: &mut Window,
 798        cx: &mut Context<Self>,
 799    ) {
 800        // If we're in a LoadError state OR have a thread_error set (which can happen
 801        // when agent.connect() fails during loading), retry loading the thread.
 802        // This handles the case where a thread is restored before authentication completes.
 803        let should_retry =
 804            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 805
 806        if should_retry {
 807            self.thread_error = None;
 808            self.reset(window, cx);
 809        }
 810    }
 811
 812    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 813        &self.workspace
 814    }
 815
 816    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 817        match &self.thread_state {
 818            ThreadState::Ready { thread, .. } => Some(thread),
 819            ThreadState::Unauthenticated { .. }
 820            | ThreadState::Loading { .. }
 821            | ThreadState::LoadError { .. } => None,
 822        }
 823    }
 824
 825    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 826        match &self.thread_state {
 827            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 828            ThreadState::Unauthenticated { .. }
 829            | ThreadState::Loading { .. }
 830            | ThreadState::LoadError { .. } => None,
 831        }
 832    }
 833
 834    pub fn title(&self, cx: &App) -> SharedString {
 835        match &self.thread_state {
 836            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 837            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 838            ThreadState::LoadError(error) => match error {
 839                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 840                LoadError::FailedToInstall(_) => {
 841                    format!("Failed to Install {}", self.agent.name()).into()
 842                }
 843                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 844                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 845            },
 846        }
 847    }
 848
 849    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 850        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 851            title_editor.clone()
 852        } else {
 853            None
 854        }
 855    }
 856
 857    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 858        self.thread_error.take();
 859        self.thread_retry_status.take();
 860
 861        if let Some(thread) = self.thread() {
 862            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
 863        }
 864    }
 865
 866    pub fn expand_message_editor(
 867        &mut self,
 868        _: &ExpandMessageEditor,
 869        _window: &mut Window,
 870        cx: &mut Context<Self>,
 871    ) {
 872        self.set_editor_is_expanded(!self.editor_expanded, cx);
 873        cx.notify();
 874    }
 875
 876    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
 877        self.editor_expanded = is_expanded;
 878        self.message_editor.update(cx, |editor, cx| {
 879            if is_expanded {
 880                editor.set_mode(
 881                    EditorMode::Full {
 882                        scale_ui_elements_with_buffer_font_size: false,
 883                        show_active_line_background: false,
 884                        sized_by_content: false,
 885                    },
 886                    cx,
 887                )
 888            } else {
 889                let agent_settings = AgentSettings::get_global(cx);
 890                editor.set_mode(
 891                    EditorMode::AutoHeight {
 892                        min_lines: agent_settings.message_editor_min_lines,
 893                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
 894                    },
 895                    cx,
 896                )
 897            }
 898        });
 899        cx.notify();
 900    }
 901
 902    pub fn handle_title_editor_event(
 903        &mut self,
 904        title_editor: &Entity<Editor>,
 905        event: &EditorEvent,
 906        window: &mut Window,
 907        cx: &mut Context<Self>,
 908    ) {
 909        let Some(thread) = self.thread() else { return };
 910
 911        match event {
 912            EditorEvent::BufferEdited => {
 913                let new_title = title_editor.read(cx).text(cx);
 914                thread.update(cx, |thread, cx| {
 915                    thread
 916                        .set_title(new_title.into(), cx)
 917                        .detach_and_log_err(cx);
 918                })
 919            }
 920            EditorEvent::Blurred => {
 921                if title_editor.read(cx).text(cx).is_empty() {
 922                    title_editor.update(cx, |editor, cx| {
 923                        editor.set_text("New Thread", window, cx);
 924                    });
 925                }
 926            }
 927            _ => {}
 928        }
 929    }
 930
 931    pub fn handle_message_editor_event(
 932        &mut self,
 933        _: &Entity<MessageEditor>,
 934        event: &MessageEditorEvent,
 935        window: &mut Window,
 936        cx: &mut Context<Self>,
 937    ) {
 938        match event {
 939            MessageEditorEvent::Send => self.send(window, cx),
 940            MessageEditorEvent::Cancel => self.cancel_generation(cx),
 941            MessageEditorEvent::Focus => {
 942                self.cancel_editing(&Default::default(), window, cx);
 943            }
 944            MessageEditorEvent::LostFocus => {}
 945        }
 946    }
 947
 948    pub fn handle_entry_view_event(
 949        &mut self,
 950        _: &Entity<EntryViewState>,
 951        event: &EntryViewEvent,
 952        window: &mut Window,
 953        cx: &mut Context<Self>,
 954    ) {
 955        match &event.view_event {
 956            ViewEvent::NewDiff(tool_call_id) => {
 957                if AgentSettings::get_global(cx).expand_edit_card {
 958                    self.expanded_tool_calls.insert(tool_call_id.clone());
 959                }
 960            }
 961            ViewEvent::NewTerminal(tool_call_id) => {
 962                if AgentSettings::get_global(cx).expand_terminal_card {
 963                    self.expanded_tool_calls.insert(tool_call_id.clone());
 964                }
 965            }
 966            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
 967                self.expanded_tool_calls.remove(tool_call_id);
 968            }
 969            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
 970                if let Some(thread) = self.thread()
 971                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 972                        thread.read(cx).entries().get(event.entry_index)
 973                    && user_message.id.is_some()
 974                {
 975                    self.editing_message = Some(event.entry_index);
 976                    cx.notify();
 977                }
 978            }
 979            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
 980                if let Some(thread) = self.thread()
 981                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
 982                        thread.read(cx).entries().get(event.entry_index)
 983                    && user_message.id.is_some()
 984                {
 985                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
 986                        self.editing_message = None;
 987                        cx.notify();
 988                    }
 989                }
 990            }
 991            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
 992                self.regenerate(event.entry_index, editor.clone(), window, cx);
 993            }
 994            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
 995                self.cancel_editing(&Default::default(), window, cx);
 996            }
 997        }
 998    }
 999
1000    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1001        self.thread_error.take();
1002        let Some(thread) = self.thread() else {
1003            return;
1004        };
1005        if !thread.read(cx).can_resume(cx) {
1006            return;
1007        }
1008
1009        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1010        cx.spawn(async move |this, cx| {
1011            let result = task.await;
1012
1013            this.update(cx, |this, cx| {
1014                if let Err(err) = result {
1015                    this.handle_thread_error(err, cx);
1016                }
1017            })
1018        })
1019        .detach();
1020    }
1021
1022    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1023        let Some(thread) = self.thread() else { return };
1024
1025        if self.is_loading_contents {
1026            return;
1027        }
1028
1029        self.history_store.update(cx, |history, cx| {
1030            history.push_recently_opened_entry(
1031                HistoryEntryId::AcpThread(thread.read(cx).session_id().clone()),
1032                cx,
1033            );
1034        });
1035
1036        if thread.read(cx).status() != ThreadStatus::Idle {
1037            self.stop_current_and_send_new_message(window, cx);
1038            return;
1039        }
1040
1041        let text = self.message_editor.read(cx).text(cx);
1042        let text = text.trim();
1043        if text == "/login" || text == "/logout" {
1044            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1045                return;
1046            };
1047
1048            let connection = thread.read(cx).connection().clone();
1049            let auth_methods = connection.auth_methods();
1050            let has_supported_auth = auth_methods.iter().any(|method| {
1051                let id = method.id.0.as_ref();
1052                id == "claude-login" || id == "spawn-gemini-cli"
1053            });
1054            let can_login = has_supported_auth || auth_methods.is_empty() || self.login.is_some();
1055            if !can_login {
1056                return;
1057            };
1058            let this = cx.weak_entity();
1059            let agent = self.agent.clone();
1060            window.defer(cx, |window, cx| {
1061                Self::handle_auth_required(
1062                    this,
1063                    AuthRequired {
1064                        description: None,
1065                        provider_id: None,
1066                    },
1067                    agent,
1068                    connection,
1069                    window,
1070                    cx,
1071                );
1072            });
1073            cx.notify();
1074            return;
1075        }
1076
1077        self.send_impl(self.message_editor.clone(), window, cx)
1078    }
1079
1080    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1081        let Some(thread) = self.thread().cloned() else {
1082            return;
1083        };
1084
1085        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1086
1087        cx.spawn_in(window, async move |this, cx| {
1088            cancelled.await;
1089
1090            this.update_in(cx, |this, window, cx| {
1091                this.send_impl(this.message_editor.clone(), window, cx);
1092            })
1093            .ok();
1094        })
1095        .detach();
1096    }
1097
1098    fn send_impl(
1099        &mut self,
1100        message_editor: Entity<MessageEditor>,
1101        window: &mut Window,
1102        cx: &mut Context<Self>,
1103    ) {
1104        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1105            // Include full contents when using minimal profile
1106            let thread = thread.read(cx);
1107            AgentSettings::get_global(cx)
1108                .profiles
1109                .get(thread.profile())
1110                .is_some_and(|profile| profile.tools.is_empty())
1111        });
1112
1113        let contents = message_editor.update(cx, |message_editor, cx| {
1114            message_editor.contents(full_mention_content, cx)
1115        });
1116
1117        let agent_telemetry_id = self.agent.telemetry_id();
1118
1119        self.thread_error.take();
1120        self.editing_message.take();
1121        self.thread_feedback.clear();
1122
1123        let Some(thread) = self.thread() else {
1124            return;
1125        };
1126        let thread = thread.downgrade();
1127        if self.should_be_following {
1128            self.workspace
1129                .update(cx, |workspace, cx| {
1130                    workspace.follow(CollaboratorId::Agent, window, cx);
1131                })
1132                .ok();
1133        }
1134
1135        self.is_loading_contents = true;
1136        let guard = cx.new(|_| ());
1137        cx.observe_release(&guard, |this, _guard, cx| {
1138            this.is_loading_contents = false;
1139            cx.notify();
1140        })
1141        .detach();
1142
1143        let task = cx.spawn_in(window, async move |this, cx| {
1144            let (contents, tracked_buffers) = contents.await?;
1145
1146            if contents.is_empty() {
1147                return Ok(());
1148            }
1149
1150            this.update_in(cx, |this, window, cx| {
1151                this.set_editor_is_expanded(false, cx);
1152                this.scroll_to_bottom(cx);
1153                this.message_editor.update(cx, |message_editor, cx| {
1154                    message_editor.clear(window, cx);
1155                });
1156            })?;
1157            let send = thread.update(cx, |thread, cx| {
1158                thread.action_log().update(cx, |action_log, cx| {
1159                    for buffer in tracked_buffers {
1160                        action_log.buffer_read(buffer, cx)
1161                    }
1162                });
1163                drop(guard);
1164
1165                telemetry::event!("Agent Message Sent", agent = agent_telemetry_id);
1166
1167                thread.send(contents, cx)
1168            })?;
1169            send.await
1170        });
1171
1172        cx.spawn(async move |this, cx| {
1173            if let Err(err) = task.await {
1174                this.update(cx, |this, cx| {
1175                    this.handle_thread_error(err, cx);
1176                })
1177                .ok();
1178            } else {
1179                this.update(cx, |this, cx| {
1180                    this.should_be_following = this
1181                        .workspace
1182                        .update(cx, |workspace, _| {
1183                            workspace.is_being_followed(CollaboratorId::Agent)
1184                        })
1185                        .unwrap_or_default();
1186                })
1187                .ok();
1188            }
1189        })
1190        .detach();
1191    }
1192
1193    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1194        let Some(thread) = self.thread().cloned() else {
1195            return;
1196        };
1197
1198        if let Some(index) = self.editing_message.take()
1199            && let Some(editor) = self
1200                .entry_view_state
1201                .read(cx)
1202                .entry(index)
1203                .and_then(|e| e.message_editor())
1204                .cloned()
1205        {
1206            editor.update(cx, |editor, cx| {
1207                if let Some(user_message) = thread
1208                    .read(cx)
1209                    .entries()
1210                    .get(index)
1211                    .and_then(|e| e.user_message())
1212                {
1213                    editor.set_message(user_message.chunks.clone(), window, cx);
1214                }
1215            })
1216        };
1217        self.focus_handle(cx).focus(window);
1218        cx.notify();
1219    }
1220
1221    fn regenerate(
1222        &mut self,
1223        entry_ix: usize,
1224        message_editor: Entity<MessageEditor>,
1225        window: &mut Window,
1226        cx: &mut Context<Self>,
1227    ) {
1228        let Some(thread) = self.thread().cloned() else {
1229            return;
1230        };
1231        if self.is_loading_contents {
1232            return;
1233        }
1234
1235        let Some(user_message_id) = thread.update(cx, |thread, _| {
1236            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1237        }) else {
1238            return;
1239        };
1240
1241        cx.spawn_in(window, async move |this, cx| {
1242            thread
1243                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))?
1244                .await?;
1245            this.update_in(cx, |this, window, cx| {
1246                this.send_impl(message_editor, window, cx);
1247            })?;
1248            anyhow::Ok(())
1249        })
1250        .detach();
1251    }
1252
1253    fn open_agent_diff(&mut self, _: &OpenAgentDiff, window: &mut Window, cx: &mut Context<Self>) {
1254        if let Some(thread) = self.thread() {
1255            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err();
1256        }
1257    }
1258
1259    fn open_edited_buffer(
1260        &mut self,
1261        buffer: &Entity<Buffer>,
1262        window: &mut Window,
1263        cx: &mut Context<Self>,
1264    ) {
1265        let Some(thread) = self.thread() else {
1266            return;
1267        };
1268
1269        let Some(diff) =
1270            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1271        else {
1272            return;
1273        };
1274
1275        diff.update(cx, |diff, cx| {
1276            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1277        })
1278    }
1279
1280    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1281        let Some(thread) = self.as_native_thread(cx) else {
1282            return;
1283        };
1284        let project_context = thread.read(cx).project_context().read(cx);
1285
1286        let project_entry_ids = project_context
1287            .worktrees
1288            .iter()
1289            .flat_map(|worktree| worktree.rules_file.as_ref())
1290            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1291            .collect::<Vec<_>>();
1292
1293        self.workspace
1294            .update(cx, move |workspace, cx| {
1295                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1296                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1297                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1298                let project = workspace.project().read(cx);
1299                let project_paths = project_entry_ids
1300                    .into_iter()
1301                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1302                    .collect::<Vec<_>>();
1303                for project_path in project_paths {
1304                    workspace
1305                        .open_path(project_path, None, true, window, cx)
1306                        .detach_and_log_err(cx);
1307                }
1308            })
1309            .ok();
1310    }
1311
1312    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1313        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1314        cx.notify();
1315    }
1316
1317    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1318        self.thread_error = None;
1319        cx.notify();
1320    }
1321
1322    fn handle_thread_event(
1323        &mut self,
1324        thread: &Entity<AcpThread>,
1325        event: &AcpThreadEvent,
1326        window: &mut Window,
1327        cx: &mut Context<Self>,
1328    ) {
1329        match event {
1330            AcpThreadEvent::NewEntry => {
1331                let len = thread.read(cx).entries().len();
1332                let index = len - 1;
1333                self.entry_view_state.update(cx, |view_state, cx| {
1334                    view_state.sync_entry(index, thread, window, cx);
1335                    self.list_state.splice_focusable(
1336                        index..index,
1337                        [view_state
1338                            .entry(index)
1339                            .and_then(|entry| entry.focus_handle(cx))],
1340                    );
1341                });
1342            }
1343            AcpThreadEvent::EntryUpdated(index) => {
1344                self.entry_view_state.update(cx, |view_state, cx| {
1345                    view_state.sync_entry(*index, thread, window, cx)
1346                });
1347            }
1348            AcpThreadEvent::EntriesRemoved(range) => {
1349                self.entry_view_state
1350                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1351                self.list_state.splice(range.clone(), 0);
1352            }
1353            AcpThreadEvent::ToolAuthorizationRequired => {
1354                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1355            }
1356            AcpThreadEvent::Retry(retry) => {
1357                self.thread_retry_status = Some(retry.clone());
1358            }
1359            AcpThreadEvent::Stopped => {
1360                self.thread_retry_status.take();
1361                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1362                self.notify_with_sound(
1363                    if used_tools {
1364                        "Finished running tools"
1365                    } else {
1366                        "New message"
1367                    },
1368                    IconName::ZedAssistant,
1369                    window,
1370                    cx,
1371                );
1372            }
1373            AcpThreadEvent::Refusal => {
1374                self.thread_retry_status.take();
1375                self.thread_error = Some(ThreadError::Refusal);
1376                let model_or_agent_name = self.get_current_model_name(cx);
1377                let notification_message =
1378                    format!("{} refused to respond to this request", model_or_agent_name);
1379                self.notify_with_sound(¬ification_message, IconName::Warning, window, cx);
1380            }
1381            AcpThreadEvent::Error => {
1382                self.thread_retry_status.take();
1383                self.notify_with_sound(
1384                    "Agent stopped due to an error",
1385                    IconName::Warning,
1386                    window,
1387                    cx,
1388                );
1389            }
1390            AcpThreadEvent::LoadError(error) => {
1391                self.thread_retry_status.take();
1392                self.thread_state = ThreadState::LoadError(error.clone());
1393                if self.message_editor.focus_handle(cx).is_focused(window) {
1394                    self.focus_handle.focus(window)
1395                }
1396            }
1397            AcpThreadEvent::TitleUpdated => {
1398                let title = thread.read(cx).title();
1399                if let Some(title_editor) = self.title_editor() {
1400                    title_editor.update(cx, |editor, cx| {
1401                        if editor.text(cx) != title {
1402                            editor.set_text(title, window, cx);
1403                        }
1404                    });
1405                }
1406            }
1407            AcpThreadEvent::PromptCapabilitiesUpdated => {
1408                self.prompt_capabilities
1409                    .replace(thread.read(cx).prompt_capabilities());
1410            }
1411            AcpThreadEvent::TokenUsageUpdated => {}
1412            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1413                let mut available_commands = available_commands.clone();
1414
1415                if thread
1416                    .read(cx)
1417                    .connection()
1418                    .auth_methods()
1419                    .iter()
1420                    .any(|method| method.id.0.as_ref() == "claude-login")
1421                {
1422                    available_commands.push(acp::AvailableCommand {
1423                        name: "login".to_owned(),
1424                        description: "Authenticate".to_owned(),
1425                        input: None,
1426                        meta: None,
1427                    });
1428                    available_commands.push(acp::AvailableCommand {
1429                        name: "logout".to_owned(),
1430                        description: "Authenticate".to_owned(),
1431                        input: None,
1432                        meta: None,
1433                    });
1434                }
1435
1436                self.available_commands.replace(available_commands);
1437            }
1438            AcpThreadEvent::ModeUpdated(_mode) => {
1439                // The connection keeps track of the mode
1440                cx.notify();
1441            }
1442        }
1443        cx.notify();
1444    }
1445
1446    fn authenticate(
1447        &mut self,
1448        method: acp::AuthMethodId,
1449        window: &mut Window,
1450        cx: &mut Context<Self>,
1451    ) {
1452        let ThreadState::Unauthenticated {
1453            connection,
1454            pending_auth_method,
1455            configuration_view,
1456            ..
1457        } = &mut self.thread_state
1458        else {
1459            return;
1460        };
1461
1462        if method.0.as_ref() == "gemini-api-key" {
1463            let registry = LanguageModelRegistry::global(cx);
1464            let provider = registry
1465                .read(cx)
1466                .provider(&language_model::GOOGLE_PROVIDER_ID)
1467                .unwrap();
1468            if !provider.is_authenticated(cx) {
1469                let this = cx.weak_entity();
1470                let agent = self.agent.clone();
1471                let connection = connection.clone();
1472                window.defer(cx, |window, cx| {
1473                    Self::handle_auth_required(
1474                        this,
1475                        AuthRequired {
1476                            description: Some("GEMINI_API_KEY must be set".to_owned()),
1477                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
1478                        },
1479                        agent,
1480                        connection,
1481                        window,
1482                        cx,
1483                    );
1484                });
1485                return;
1486            }
1487        } else if method.0.as_ref() == "anthropic-api-key" {
1488            let registry = LanguageModelRegistry::global(cx);
1489            let provider = registry
1490                .read(cx)
1491                .provider(&language_model::ANTHROPIC_PROVIDER_ID)
1492                .unwrap();
1493            let this = cx.weak_entity();
1494            let agent = self.agent.clone();
1495            let connection = connection.clone();
1496            window.defer(cx, move |window, cx| {
1497                if !provider.is_authenticated(cx) {
1498                    Self::handle_auth_required(
1499                        this,
1500                        AuthRequired {
1501                            description: Some("ANTHROPIC_API_KEY must be set".to_owned()),
1502                            provider_id: Some(language_model::ANTHROPIC_PROVIDER_ID),
1503                        },
1504                        agent,
1505                        connection,
1506                        window,
1507                        cx,
1508                    );
1509                } else {
1510                    this.update(cx, |this, cx| {
1511                        this.thread_state = Self::initial_state(
1512                            agent,
1513                            None,
1514                            this.workspace.clone(),
1515                            this.project.clone(),
1516                            window,
1517                            cx,
1518                        )
1519                    })
1520                    .ok();
1521                }
1522            });
1523            return;
1524        } else if method.0.as_ref() == "vertex-ai"
1525            && std::env::var("GOOGLE_API_KEY").is_err()
1526            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
1527                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
1528        {
1529            let this = cx.weak_entity();
1530            let agent = self.agent.clone();
1531            let connection = connection.clone();
1532
1533            window.defer(cx, |window, cx| {
1534                    Self::handle_auth_required(
1535                        this,
1536                        AuthRequired {
1537                            description: Some(
1538                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
1539                                    .to_owned(),
1540                            ),
1541                            provider_id: None,
1542                        },
1543                        agent,
1544                        connection,
1545                        window,
1546                        cx,
1547                    )
1548                });
1549            return;
1550        }
1551
1552        self.thread_error.take();
1553        configuration_view.take();
1554        pending_auth_method.replace(method.clone());
1555        let authenticate = if (method.0.as_ref() == "claude-login"
1556            || method.0.as_ref() == "spawn-gemini-cli")
1557            && let Some(login) = self.login.clone()
1558        {
1559            if let Some(workspace) = self.workspace.upgrade() {
1560                Self::spawn_external_agent_login(login, workspace, false, window, cx)
1561            } else {
1562                Task::ready(Ok(()))
1563            }
1564        } else {
1565            connection.authenticate(method, cx)
1566        };
1567        cx.notify();
1568        self.auth_task =
1569            Some(cx.spawn_in(window, {
1570                let agent = self.agent.clone();
1571                async move |this, cx| {
1572                    let result = authenticate.await;
1573
1574                    match &result {
1575                        Ok(_) => telemetry::event!(
1576                            "Authenticate Agent Succeeded",
1577                            agent = agent.telemetry_id()
1578                        ),
1579                        Err(_) => {
1580                            telemetry::event!(
1581                                "Authenticate Agent Failed",
1582                                agent = agent.telemetry_id(),
1583                            )
1584                        }
1585                    }
1586
1587                    this.update_in(cx, |this, window, cx| {
1588                        if let Err(err) = result {
1589                            if let ThreadState::Unauthenticated {
1590                                pending_auth_method,
1591                                ..
1592                            } = &mut this.thread_state
1593                            {
1594                                pending_auth_method.take();
1595                            }
1596                            this.handle_thread_error(err, cx);
1597                        } else {
1598                            this.reset(window, cx);
1599                        }
1600                        this.auth_task.take()
1601                    })
1602                    .ok();
1603                }
1604            }));
1605    }
1606
1607    fn spawn_external_agent_login(
1608        login: task::SpawnInTerminal,
1609        workspace: Entity<Workspace>,
1610        previous_attempt: bool,
1611        window: &mut Window,
1612        cx: &mut App,
1613    ) -> Task<Result<()>> {
1614        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
1615            return Task::ready(Ok(()));
1616        };
1617        let project = workspace.read(cx).project().clone();
1618
1619        window.spawn(cx, async move |cx| {
1620            let mut task = login.clone();
1621            task.shell = task::Shell::WithArguments {
1622                program: task.command.take().expect("login command should be set"),
1623                args: std::mem::take(&mut task.args),
1624                title_override: None
1625            };
1626            task.full_label = task.label.clone();
1627            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
1628            task.command_label = task.label.clone();
1629            task.use_new_terminal = true;
1630            task.allow_concurrent_runs = true;
1631            task.hide = task::HideStrategy::Always;
1632
1633            let terminal = terminal_panel.update_in(cx, |terminal_panel, window, cx| {
1634                terminal_panel.spawn_task(&task, window, cx)
1635            })?;
1636
1637            let terminal = terminal.await?;
1638            let mut exit_status = terminal
1639                .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
1640                .fuse();
1641
1642            let logged_in = cx
1643                .spawn({
1644                    let terminal = terminal.clone();
1645                    async move |cx| {
1646                        loop {
1647                            cx.background_executor().timer(Duration::from_secs(1)).await;
1648                            let content =
1649                                terminal.update(cx, |terminal, _cx| terminal.get_content())?;
1650                            if content.contains("Login successful")
1651                                || content.contains("Type your message")
1652                            {
1653                                return anyhow::Ok(());
1654                            }
1655                        }
1656                    }
1657                })
1658                .fuse();
1659            futures::pin_mut!(logged_in);
1660            futures::select_biased! {
1661                result = logged_in => {
1662                    if let Err(e) = result {
1663                        log::error!("{e}");
1664                        return Err(anyhow!("exited before logging in"));
1665                    }
1666                }
1667                _ = exit_status => {
1668                    if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server())? && login.label.contains("gemini") {
1669                        return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, true, window, cx))?.await
1670                    }
1671                    return Err(anyhow!("exited before logging in"));
1672                }
1673            }
1674            terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
1675            Ok(())
1676        })
1677    }
1678
1679    fn authorize_tool_call(
1680        &mut self,
1681        tool_call_id: acp::ToolCallId,
1682        option_id: acp::PermissionOptionId,
1683        option_kind: acp::PermissionOptionKind,
1684        window: &mut Window,
1685        cx: &mut Context<Self>,
1686    ) {
1687        let Some(thread) = self.thread() else {
1688            return;
1689        };
1690        thread.update(cx, |thread, cx| {
1691            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
1692        });
1693        if self.should_be_following {
1694            self.workspace
1695                .update(cx, |workspace, cx| {
1696                    workspace.follow(CollaboratorId::Agent, window, cx);
1697                })
1698                .ok();
1699        }
1700        cx.notify();
1701    }
1702
1703    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
1704        let Some(thread) = self.thread() else {
1705            return;
1706        };
1707
1708        thread
1709            .update(cx, |thread, cx| {
1710                thread.restore_checkpoint(message_id.clone(), cx)
1711            })
1712            .detach_and_log_err(cx);
1713    }
1714
1715    fn render_entry(
1716        &self,
1717        entry_ix: usize,
1718        total_entries: usize,
1719        entry: &AgentThreadEntry,
1720        window: &mut Window,
1721        cx: &Context<Self>,
1722    ) -> AnyElement {
1723        let primary = match &entry {
1724            AgentThreadEntry::UserMessage(message) => {
1725                let Some(editor) = self
1726                    .entry_view_state
1727                    .read(cx)
1728                    .entry(entry_ix)
1729                    .and_then(|entry| entry.message_editor())
1730                    .cloned()
1731                else {
1732                    return Empty.into_any_element();
1733                };
1734
1735                let editing = self.editing_message == Some(entry_ix);
1736                let editor_focus = editor.focus_handle(cx).is_focused(window);
1737                let focus_border = cx.theme().colors().border_focused;
1738
1739                let rules_item = if entry_ix == 0 {
1740                    self.render_rules_item(cx)
1741                } else {
1742                    None
1743                };
1744
1745                let has_checkpoint_button = message
1746                    .checkpoint
1747                    .as_ref()
1748                    .is_some_and(|checkpoint| checkpoint.show);
1749
1750                let agent_name = self.agent.name();
1751
1752                v_flex()
1753                    .id(("user_message", entry_ix))
1754                    .map(|this| {
1755                        if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
1756                            this.pt(rems_from_px(18.))
1757                        } else if rules_item.is_some() {
1758                            this.pt_3()
1759                        } else {
1760                            this.pt_2()
1761                        }
1762                    })
1763                    .pb_3()
1764                    .px_2()
1765                    .gap_1p5()
1766                    .w_full()
1767                    .children(rules_item)
1768                    .children(message.id.clone().and_then(|message_id| {
1769                        message.checkpoint.as_ref()?.show.then(|| {
1770                            h_flex()
1771                                .px_3()
1772                                .gap_2()
1773                                .child(Divider::horizontal())
1774                                .child(
1775                                    Button::new("restore-checkpoint", "Restore Checkpoint")
1776                                        .icon(IconName::Undo)
1777                                        .icon_size(IconSize::XSmall)
1778                                        .icon_position(IconPosition::Start)
1779                                        .label_size(LabelSize::XSmall)
1780                                        .icon_color(Color::Muted)
1781                                        .color(Color::Muted)
1782                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
1783                                        .on_click(cx.listener(move |this, _, _window, cx| {
1784                                            this.restore_checkpoint(&message_id, cx);
1785                                        }))
1786                                )
1787                                .child(Divider::horizontal())
1788                        })
1789                    }))
1790                    .child(
1791                        div()
1792                            .relative()
1793                            .child(
1794                                div()
1795                                    .py_3()
1796                                    .px_2()
1797                                    .rounded_md()
1798                                    .shadow_md()
1799                                    .bg(cx.theme().colors().editor_background)
1800                                    .border_1()
1801                                    .when(editing && !editor_focus, |this| this.border_dashed())
1802                                    .border_color(cx.theme().colors().border)
1803                                    .map(|this|{
1804                                        if editing && editor_focus {
1805                                            this.border_color(focus_border)
1806                                        } else if message.id.is_some() {
1807                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
1808                                        } else {
1809                                            this
1810                                        }
1811                                    })
1812                                    .text_xs()
1813                                    .child(editor.clone().into_any_element()),
1814                            )
1815                            .when(editor_focus, |this| {
1816                                let base_container = h_flex()
1817                                    .absolute()
1818                                    .top_neg_3p5()
1819                                    .right_3()
1820                                    .gap_1()
1821                                    .rounded_sm()
1822                                    .border_1()
1823                                    .border_color(cx.theme().colors().border)
1824                                    .bg(cx.theme().colors().editor_background)
1825                                    .overflow_hidden();
1826
1827                                if message.id.is_some() {
1828                                    this.child(
1829                                        base_container
1830                                            .child(
1831                                                IconButton::new("cancel", IconName::Close)
1832                                                    .disabled(self.is_loading_contents)
1833                                                    .icon_color(Color::Error)
1834                                                    .icon_size(IconSize::XSmall)
1835                                                    .on_click(cx.listener(Self::cancel_editing))
1836                                            )
1837                                            .child(
1838                                                if self.is_loading_contents {
1839                                                    div()
1840                                                        .id("loading-edited-message-content")
1841                                                        .tooltip(Tooltip::text("Loading Added Context…"))
1842                                                        .child(loading_contents_spinner(IconSize::XSmall))
1843                                                        .into_any_element()
1844                                                } else {
1845                                                    IconButton::new("regenerate", IconName::Return)
1846                                                        .icon_color(Color::Muted)
1847                                                        .icon_size(IconSize::XSmall)
1848                                                        .tooltip(Tooltip::text(
1849                                                            "Editing will restart the thread from this point."
1850                                                        ))
1851                                                        .on_click(cx.listener({
1852                                                            let editor = editor.clone();
1853                                                            move |this, _, window, cx| {
1854                                                                this.regenerate(
1855                                                                    entry_ix, editor.clone(), window, cx,
1856                                                                );
1857                                                            }
1858                                                        })).into_any_element()
1859                                                }
1860                                            )
1861                                    )
1862                                } else {
1863                                    this.child(
1864                                        base_container
1865                                            .border_dashed()
1866                                            .child(
1867                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
1868                                                    .icon_size(IconSize::Small)
1869                                                    .icon_color(Color::Muted)
1870                                                    .style(ButtonStyle::Transparent)
1871                                                    .tooltip(move |_window, cx| {
1872                                                        cx.new(|_| UnavailableEditingTooltip::new(agent_name.clone()))
1873                                                            .into()
1874                                                    })
1875                                            )
1876                                    )
1877                                }
1878                            }),
1879                    )
1880                    .into_any()
1881            }
1882            AgentThreadEntry::AssistantMessage(AssistantMessage { chunks }) => {
1883                let is_last = entry_ix + 1 == total_entries;
1884
1885                let style = default_markdown_style(false, false, window, cx);
1886                let message_body = v_flex()
1887                    .w_full()
1888                    .gap_3()
1889                    .children(chunks.iter().enumerate().filter_map(
1890                        |(chunk_ix, chunk)| match chunk {
1891                            AssistantMessageChunk::Message { block } => {
1892                                block.markdown().map(|md| {
1893                                    self.render_markdown(md.clone(), style.clone())
1894                                        .into_any_element()
1895                                })
1896                            }
1897                            AssistantMessageChunk::Thought { block } => {
1898                                block.markdown().map(|md| {
1899                                    self.render_thinking_block(
1900                                        entry_ix,
1901                                        chunk_ix,
1902                                        md.clone(),
1903                                        window,
1904                                        cx,
1905                                    )
1906                                    .into_any_element()
1907                                })
1908                            }
1909                        },
1910                    ))
1911                    .into_any();
1912
1913                v_flex()
1914                    .px_5()
1915                    .py_1p5()
1916                    .when(is_last, |this| this.pb_4())
1917                    .w_full()
1918                    .text_ui(cx)
1919                    .child(message_body)
1920                    .into_any()
1921            }
1922            AgentThreadEntry::ToolCall(tool_call) => {
1923                let has_terminals = tool_call.terminals().next().is_some();
1924
1925                div().w_full().map(|this| {
1926                    if has_terminals {
1927                        this.children(tool_call.terminals().map(|terminal| {
1928                            self.render_terminal_tool_call(
1929                                entry_ix, terminal, tool_call, window, cx,
1930                            )
1931                        }))
1932                    } else {
1933                        this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
1934                    }
1935                })
1936            }
1937            .into_any(),
1938        };
1939
1940        let Some(thread) = self.thread() else {
1941            return primary;
1942        };
1943
1944        let primary = if entry_ix == total_entries - 1 {
1945            v_flex()
1946                .w_full()
1947                .child(primary)
1948                .child(self.render_thread_controls(&thread, cx))
1949                .when_some(
1950                    self.thread_feedback.comments_editor.clone(),
1951                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
1952                )
1953                .into_any_element()
1954        } else {
1955            primary
1956        };
1957
1958        if let Some(editing_index) = self.editing_message.as_ref()
1959            && *editing_index < entry_ix
1960        {
1961            let backdrop = div()
1962                .id(("backdrop", entry_ix))
1963                .size_full()
1964                .absolute()
1965                .inset_0()
1966                .bg(cx.theme().colors().panel_background)
1967                .opacity(0.8)
1968                .block_mouse_except_scroll()
1969                .on_click(cx.listener(Self::cancel_editing));
1970
1971            div()
1972                .relative()
1973                .child(primary)
1974                .child(backdrop)
1975                .into_any_element()
1976        } else {
1977            primary
1978        }
1979    }
1980
1981    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
1982        cx.theme()
1983            .colors()
1984            .element_background
1985            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
1986    }
1987
1988    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
1989        cx.theme().colors().border.opacity(0.8)
1990    }
1991
1992    fn tool_name_font_size(&self) -> Rems {
1993        rems_from_px(13.)
1994    }
1995
1996    fn render_thinking_block(
1997        &self,
1998        entry_ix: usize,
1999        chunk_ix: usize,
2000        chunk: Entity<Markdown>,
2001        window: &Window,
2002        cx: &Context<Self>,
2003    ) -> AnyElement {
2004        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2005        let card_header_id = SharedString::from("inner-card-header");
2006
2007        let key = (entry_ix, chunk_ix);
2008
2009        let is_open = self.expanded_thinking_blocks.contains(&key);
2010
2011        let scroll_handle = self
2012            .entry_view_state
2013            .read(cx)
2014            .entry(entry_ix)
2015            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2016
2017        let thinking_content = {
2018            div()
2019                .id(("thinking-content", chunk_ix))
2020                .when_some(scroll_handle, |this, scroll_handle| {
2021                    this.track_scroll(&scroll_handle)
2022                })
2023                .text_ui_sm(cx)
2024                .overflow_hidden()
2025                .child(
2026                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2027                )
2028        };
2029
2030        v_flex()
2031            .gap_1()
2032            .child(
2033                h_flex()
2034                    .id(header_id)
2035                    .group(&card_header_id)
2036                    .relative()
2037                    .w_full()
2038                    .pr_1()
2039                    .justify_between()
2040                    .child(
2041                        h_flex()
2042                            .h(window.line_height() - px(2.))
2043                            .gap_1p5()
2044                            .overflow_hidden()
2045                            .child(
2046                                Icon::new(IconName::ToolThink)
2047                                    .size(IconSize::Small)
2048                                    .color(Color::Muted),
2049                            )
2050                            .child(
2051                                div()
2052                                    .text_size(self.tool_name_font_size())
2053                                    .text_color(cx.theme().colors().text_muted)
2054                                    .child("Thinking"),
2055                            ),
2056                    )
2057                    .child(
2058                        Disclosure::new(("expand", entry_ix), is_open)
2059                            .opened_icon(IconName::ChevronUp)
2060                            .closed_icon(IconName::ChevronDown)
2061                            .visible_on_hover(&card_header_id)
2062                            .on_click(cx.listener({
2063                                move |this, _event, _window, cx| {
2064                                    if is_open {
2065                                        this.expanded_thinking_blocks.remove(&key);
2066                                    } else {
2067                                        this.expanded_thinking_blocks.insert(key);
2068                                    }
2069                                    cx.notify();
2070                                }
2071                            })),
2072                    )
2073                    .on_click(cx.listener({
2074                        move |this, _event, _window, cx| {
2075                            if is_open {
2076                                this.expanded_thinking_blocks.remove(&key);
2077                            } else {
2078                                this.expanded_thinking_blocks.insert(key);
2079                            }
2080                            cx.notify();
2081                        }
2082                    })),
2083            )
2084            .when(is_open, |this| {
2085                this.child(
2086                    div()
2087                        .ml_1p5()
2088                        .pl_3p5()
2089                        .border_l_1()
2090                        .border_color(self.tool_card_border_color(cx))
2091                        .child(thinking_content),
2092                )
2093            })
2094            .into_any_element()
2095    }
2096
2097    fn render_tool_call(
2098        &self,
2099        entry_ix: usize,
2100        tool_call: &ToolCall,
2101        window: &Window,
2102        cx: &Context<Self>,
2103    ) -> Div {
2104        let has_location = tool_call.locations.len() == 1;
2105        let card_header_id = SharedString::from("inner-tool-call-header");
2106
2107        let failed_or_canceled = match &tool_call.status {
2108            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2109            _ => false,
2110        };
2111
2112        let needs_confirmation = matches!(
2113            tool_call.status,
2114            ToolCallStatus::WaitingForConfirmation { .. }
2115        );
2116        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2117        let is_edit =
2118            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2119
2120        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2121
2122        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2123
2124        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2125
2126        let tool_output_display =
2127            if is_open {
2128                match &tool_call.status {
2129                    ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2130                        .w_full()
2131                        .children(tool_call.content.iter().enumerate().map(
2132                            |(content_ix, content)| {
2133                                div()
2134                                    .child(self.render_tool_call_content(
2135                                        entry_ix,
2136                                        content,
2137                                        content_ix,
2138                                        tool_call,
2139                                        use_card_layout,
2140                                        window,
2141                                        cx,
2142                                    ))
2143                                    .into_any_element()
2144                            },
2145                        ))
2146                        .child(self.render_permission_buttons(
2147                            tool_call.kind,
2148                            options,
2149                            entry_ix,
2150                            tool_call.id.clone(),
2151                            window,
2152                            cx,
2153                        ))
2154                        .into_any(),
2155                    ToolCallStatus::Pending | ToolCallStatus::InProgress
2156                        if is_edit
2157                            && tool_call.content.is_empty()
2158                            && self.as_native_connection(cx).is_some() =>
2159                    {
2160                        self.render_diff_loading(cx).into_any()
2161                    }
2162                    ToolCallStatus::Pending
2163                    | ToolCallStatus::InProgress
2164                    | ToolCallStatus::Completed
2165                    | ToolCallStatus::Failed
2166                    | ToolCallStatus::Canceled => v_flex()
2167                        .w_full()
2168                        .children(tool_call.content.iter().enumerate().map(
2169                            |(content_ix, content)| {
2170                                div().child(self.render_tool_call_content(
2171                                    entry_ix,
2172                                    content,
2173                                    content_ix,
2174                                    tool_call,
2175                                    use_card_layout,
2176                                    window,
2177                                    cx,
2178                                ))
2179                            },
2180                        ))
2181                        .into_any(),
2182                    ToolCallStatus::Rejected => Empty.into_any(),
2183                }
2184                .into()
2185            } else {
2186                None
2187            };
2188
2189        v_flex()
2190            .map(|this| {
2191                if use_card_layout {
2192                    this.my_1p5()
2193                        .rounded_md()
2194                        .border_1()
2195                        .border_color(self.tool_card_border_color(cx))
2196                        .bg(cx.theme().colors().editor_background)
2197                        .overflow_hidden()
2198                } else {
2199                    this.my_1()
2200                }
2201            })
2202            .map(|this| {
2203                if has_location && !use_card_layout {
2204                    this.ml_4()
2205                } else {
2206                    this.ml_5()
2207                }
2208            })
2209            .mr_5()
2210            .map(|this| {
2211                if is_terminal_tool {
2212                    this.child(
2213                        v_flex()
2214                            .p_1p5()
2215                            .gap_0p5()
2216                            .text_ui_sm(cx)
2217                            .bg(self.tool_card_header_bg(cx))
2218                            .child(
2219                                Label::new("Run Command")
2220                                    .buffer_font(cx)
2221                                    .size(LabelSize::XSmall)
2222                                    .color(Color::Muted),
2223                            )
2224                            .child(
2225                                MarkdownElement::new(
2226                                    tool_call.label.clone(),
2227                                    terminal_command_markdown_style(window, cx),
2228                                )
2229                                .code_block_renderer(
2230                                    markdown::CodeBlockRenderer::Default {
2231                                        copy_button: false,
2232                                        copy_button_on_hover: false,
2233                                        border: false,
2234                                    },
2235                                )
2236                            ),
2237                    )
2238                } else {
2239                   this.child(
2240                        h_flex()
2241                            .group(&card_header_id)
2242                            .relative()
2243                            .w_full()
2244                            .gap_1()
2245                            .justify_between()
2246                            .when(use_card_layout, |this| {
2247                                this.p_0p5()
2248                                    .rounded_t(rems_from_px(5.))
2249                                    .bg(self.tool_card_header_bg(cx))
2250                            })
2251                            .child(self.render_tool_call_label(
2252                                entry_ix,
2253                                tool_call,
2254                                is_edit,
2255                                use_card_layout,
2256                                window,
2257                                cx,
2258                            ))
2259                            .when(is_collapsible || failed_or_canceled, |this| {
2260                                this.child(
2261                                    h_flex()
2262                                        .px_1()
2263                                        .gap_px()
2264                                        .when(is_collapsible, |this| {
2265                                            this.child(
2266                                            Disclosure::new(("expand", entry_ix), is_open)
2267                                                .opened_icon(IconName::ChevronUp)
2268                                                .closed_icon(IconName::ChevronDown)
2269                                                .visible_on_hover(&card_header_id)
2270                                                .on_click(cx.listener({
2271                                                    let id = tool_call.id.clone();
2272                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2273                                                        if is_open {
2274                                                            this.expanded_tool_calls.remove(&id);
2275                                                        } else {
2276                                                            this.expanded_tool_calls.insert(id.clone());
2277                                                        }
2278                                                        cx.notify();
2279                                                    }
2280                                                })),
2281                                        )
2282                                        })
2283                                        .when(failed_or_canceled, |this| {
2284                                            this.child(
2285                                                Icon::new(IconName::Close)
2286                                                    .color(Color::Error)
2287                                                    .size(IconSize::Small),
2288                                            )
2289                                        }),
2290                                )
2291                            }),
2292                    )
2293                }
2294            })
2295            .children(tool_output_display)
2296    }
2297
2298    fn render_tool_call_label(
2299        &self,
2300        entry_ix: usize,
2301        tool_call: &ToolCall,
2302        is_edit: bool,
2303        use_card_layout: bool,
2304        window: &Window,
2305        cx: &Context<Self>,
2306    ) -> Div {
2307        let has_location = tool_call.locations.len() == 1;
2308
2309        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
2310            FileIcons::get_icon(&tool_call.locations[0].path, cx)
2311                .map(Icon::from_path)
2312                .unwrap_or(Icon::new(IconName::ToolPencil))
2313        } else {
2314            Icon::new(match tool_call.kind {
2315                acp::ToolKind::Read => IconName::ToolSearch,
2316                acp::ToolKind::Edit => IconName::ToolPencil,
2317                acp::ToolKind::Delete => IconName::ToolDeleteFile,
2318                acp::ToolKind::Move => IconName::ArrowRightLeft,
2319                acp::ToolKind::Search => IconName::ToolSearch,
2320                acp::ToolKind::Execute => IconName::ToolTerminal,
2321                acp::ToolKind::Think => IconName::ToolThink,
2322                acp::ToolKind::Fetch => IconName::ToolWeb,
2323                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
2324                acp::ToolKind::Other => IconName::ToolHammer,
2325            })
2326        }
2327        .size(IconSize::Small)
2328        .color(Color::Muted);
2329
2330        let gradient_overlay = {
2331            div()
2332                .absolute()
2333                .top_0()
2334                .right_0()
2335                .w_12()
2336                .h_full()
2337                .map(|this| {
2338                    if use_card_layout {
2339                        this.bg(linear_gradient(
2340                            90.,
2341                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
2342                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
2343                        ))
2344                    } else {
2345                        this.bg(linear_gradient(
2346                            90.,
2347                            linear_color_stop(cx.theme().colors().panel_background, 1.),
2348                            linear_color_stop(
2349                                cx.theme().colors().panel_background.opacity(0.2),
2350                                0.,
2351                            ),
2352                        ))
2353                    }
2354                })
2355        };
2356
2357        h_flex()
2358            .relative()
2359            .w_full()
2360            .h(window.line_height() - px(2.))
2361            .text_size(self.tool_name_font_size())
2362            .gap_1p5()
2363            .when(has_location || use_card_layout, |this| this.px_1())
2364            .when(has_location, |this| {
2365                this.cursor(CursorStyle::PointingHand)
2366                    .rounded(rems_from_px(3.)) // Concentric border radius
2367                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
2368            })
2369            .overflow_hidden()
2370            .child(tool_icon)
2371            .child(if has_location {
2372                h_flex()
2373                    .id(("open-tool-call-location", entry_ix))
2374                    .w_full()
2375                    .map(|this| {
2376                        if use_card_layout {
2377                            this.text_color(cx.theme().colors().text)
2378                        } else {
2379                            this.text_color(cx.theme().colors().text_muted)
2380                        }
2381                    })
2382                    .child(self.render_markdown(
2383                        tool_call.label.clone(),
2384                        MarkdownStyle {
2385                            prevent_mouse_interaction: true,
2386                            ..default_markdown_style(false, true, window, cx)
2387                        },
2388                    ))
2389                    .tooltip(Tooltip::text("Jump to File"))
2390                    .on_click(cx.listener(move |this, _, window, cx| {
2391                        this.open_tool_call_location(entry_ix, 0, window, cx);
2392                    }))
2393                    .into_any_element()
2394            } else {
2395                h_flex()
2396                    .w_full()
2397                    .child(self.render_markdown(
2398                        tool_call.label.clone(),
2399                        default_markdown_style(false, true, window, cx),
2400                    ))
2401                    .into_any()
2402            })
2403            .when(!is_edit, |this| this.child(gradient_overlay))
2404    }
2405
2406    fn render_tool_call_content(
2407        &self,
2408        entry_ix: usize,
2409        content: &ToolCallContent,
2410        context_ix: usize,
2411        tool_call: &ToolCall,
2412        card_layout: bool,
2413        window: &Window,
2414        cx: &Context<Self>,
2415    ) -> AnyElement {
2416        match content {
2417            ToolCallContent::ContentBlock(content) => {
2418                if let Some(resource_link) = content.resource_link() {
2419                    self.render_resource_link(resource_link, cx)
2420                } else if let Some(markdown) = content.markdown() {
2421                    self.render_markdown_output(
2422                        markdown.clone(),
2423                        tool_call.id.clone(),
2424                        context_ix,
2425                        card_layout,
2426                        window,
2427                        cx,
2428                    )
2429                } else {
2430                    Empty.into_any_element()
2431                }
2432            }
2433            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
2434            ToolCallContent::Terminal(terminal) => {
2435                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
2436            }
2437        }
2438    }
2439
2440    fn render_markdown_output(
2441        &self,
2442        markdown: Entity<Markdown>,
2443        tool_call_id: acp::ToolCallId,
2444        context_ix: usize,
2445        card_layout: bool,
2446        window: &Window,
2447        cx: &Context<Self>,
2448    ) -> AnyElement {
2449        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
2450
2451        v_flex()
2452            .mt_1p5()
2453            .gap_2()
2454            .when(!card_layout, |this| {
2455                this.ml(rems(0.4))
2456                    .px_3p5()
2457                    .border_l_1()
2458                    .border_color(self.tool_card_border_color(cx))
2459            })
2460            .when(card_layout, |this| {
2461                this.px_2().pb_2().when(context_ix > 0, |this| {
2462                    this.border_t_1()
2463                        .pt_2()
2464                        .border_color(self.tool_card_border_color(cx))
2465                })
2466            })
2467            .text_xs()
2468            .text_color(cx.theme().colors().text_muted)
2469            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
2470            .when(!card_layout, |this| {
2471                this.child(
2472                    IconButton::new(button_id, IconName::ChevronUp)
2473                        .full_width()
2474                        .style(ButtonStyle::Outlined)
2475                        .icon_color(Color::Muted)
2476                        .on_click(cx.listener({
2477                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
2478                                this.expanded_tool_calls.remove(&tool_call_id);
2479                                cx.notify();
2480                            }
2481                        })),
2482                )
2483            })
2484            .into_any_element()
2485    }
2486
2487    fn render_resource_link(
2488        &self,
2489        resource_link: &acp::ResourceLink,
2490        cx: &Context<Self>,
2491    ) -> AnyElement {
2492        let uri: SharedString = resource_link.uri.clone().into();
2493        let is_file = resource_link.uri.strip_prefix("file://");
2494
2495        let label: SharedString = if let Some(abs_path) = is_file {
2496            if let Some(project_path) = self
2497                .project
2498                .read(cx)
2499                .project_path_for_absolute_path(&Path::new(abs_path), cx)
2500                && let Some(worktree) = self
2501                    .project
2502                    .read(cx)
2503                    .worktree_for_id(project_path.worktree_id, cx)
2504            {
2505                worktree
2506                    .read(cx)
2507                    .full_path(&project_path.path)
2508                    .to_string_lossy()
2509                    .to_string()
2510                    .into()
2511            } else {
2512                abs_path.to_string().into()
2513            }
2514        } else {
2515            uri.clone()
2516        };
2517
2518        let button_id = SharedString::from(format!("item-{}", uri));
2519
2520        div()
2521            .ml(rems(0.4))
2522            .pl_2p5()
2523            .border_l_1()
2524            .border_color(self.tool_card_border_color(cx))
2525            .overflow_hidden()
2526            .child(
2527                Button::new(button_id, label)
2528                    .label_size(LabelSize::Small)
2529                    .color(Color::Muted)
2530                    .truncate(true)
2531                    .when(is_file.is_none(), |this| {
2532                        this.icon(IconName::ArrowUpRight)
2533                            .icon_size(IconSize::XSmall)
2534                            .icon_color(Color::Muted)
2535                    })
2536                    .on_click(cx.listener({
2537                        let workspace = self.workspace.clone();
2538                        move |_, _, window, cx: &mut Context<Self>| {
2539                            Self::open_link(uri.clone(), &workspace, window, cx);
2540                        }
2541                    })),
2542            )
2543            .into_any_element()
2544    }
2545
2546    fn render_permission_buttons(
2547        &self,
2548        kind: acp::ToolKind,
2549        options: &[acp::PermissionOption],
2550        entry_ix: usize,
2551        tool_call_id: acp::ToolCallId,
2552        window: &Window,
2553        cx: &Context<Self>,
2554    ) -> Div {
2555        let is_first = self.thread().is_some_and(|thread| {
2556            thread
2557                .read(cx)
2558                .first_tool_awaiting_confirmation()
2559                .is_some_and(|call| call.id == tool_call_id)
2560        });
2561        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
2562
2563        div()
2564            .p_1()
2565            .border_t_1()
2566            .border_color(self.tool_card_border_color(cx))
2567            .w_full()
2568            .map(|this| {
2569                if kind == acp::ToolKind::SwitchMode {
2570                    this.v_flex()
2571                } else {
2572                    this.h_flex().justify_end().flex_wrap()
2573                }
2574            })
2575            .gap_0p5()
2576            .children(options.iter().map(move |option| {
2577                let option_id = SharedString::from(option.id.0.clone());
2578                Button::new((option_id, entry_ix), option.name.clone())
2579                    .map(|this| {
2580                        let (this, action) = match option.kind {
2581                            acp::PermissionOptionKind::AllowOnce => (
2582                                this.icon(IconName::Check).icon_color(Color::Success),
2583                                Some(&AllowOnce as &dyn Action),
2584                            ),
2585                            acp::PermissionOptionKind::AllowAlways => (
2586                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
2587                                Some(&AllowAlways as &dyn Action),
2588                            ),
2589                            acp::PermissionOptionKind::RejectOnce => (
2590                                this.icon(IconName::Close).icon_color(Color::Error),
2591                                Some(&RejectOnce as &dyn Action),
2592                            ),
2593                            acp::PermissionOptionKind::RejectAlways => {
2594                                (this.icon(IconName::Close).icon_color(Color::Error), None)
2595                            }
2596                        };
2597
2598                        let Some(action) = action else {
2599                            return this;
2600                        };
2601
2602                        if !is_first || seen_kinds.contains(&option.kind) {
2603                            return this;
2604                        }
2605
2606                        seen_kinds.push(option.kind);
2607
2608                        this.key_binding(
2609                            KeyBinding::for_action_in(action, &self.focus_handle, window, cx)
2610                                .map(|kb| kb.size(rems_from_px(10.))),
2611                        )
2612                    })
2613                    .icon_position(IconPosition::Start)
2614                    .icon_size(IconSize::XSmall)
2615                    .label_size(LabelSize::Small)
2616                    .on_click(cx.listener({
2617                        let tool_call_id = tool_call_id.clone();
2618                        let option_id = option.id.clone();
2619                        let option_kind = option.kind;
2620                        move |this, _, window, cx| {
2621                            this.authorize_tool_call(
2622                                tool_call_id.clone(),
2623                                option_id.clone(),
2624                                option_kind,
2625                                window,
2626                                cx,
2627                            );
2628                        }
2629                    }))
2630            }))
2631    }
2632
2633    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
2634        let bar = |n: u64, width_class: &str| {
2635            let bg_color = cx.theme().colors().element_active;
2636            let base = h_flex().h_1().rounded_full();
2637
2638            let modified = match width_class {
2639                "w_4_5" => base.w_3_4(),
2640                "w_1_4" => base.w_1_4(),
2641                "w_2_4" => base.w_2_4(),
2642                "w_3_5" => base.w_3_5(),
2643                "w_2_5" => base.w_2_5(),
2644                _ => base.w_1_2(),
2645            };
2646
2647            modified.with_animation(
2648                ElementId::Integer(n),
2649                Animation::new(Duration::from_secs(2)).repeat(),
2650                move |tab, delta| {
2651                    let delta = (delta - 0.15 * n as f32) / 0.7;
2652                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
2653                    let delta = ease_in_out(delta.clamp(0., 1.));
2654                    let delta = 0.1 + 0.9 * delta;
2655
2656                    tab.bg(bg_color.opacity(delta))
2657                },
2658            )
2659        };
2660
2661        v_flex()
2662            .p_3()
2663            .gap_1()
2664            .rounded_b_md()
2665            .bg(cx.theme().colors().editor_background)
2666            .child(bar(0, "w_4_5"))
2667            .child(bar(1, "w_1_4"))
2668            .child(bar(2, "w_2_4"))
2669            .child(bar(3, "w_3_5"))
2670            .child(bar(4, "w_2_5"))
2671            .into_any_element()
2672    }
2673
2674    fn render_diff_editor(
2675        &self,
2676        entry_ix: usize,
2677        diff: &Entity<acp_thread::Diff>,
2678        tool_call: &ToolCall,
2679        cx: &Context<Self>,
2680    ) -> AnyElement {
2681        let tool_progress = matches!(
2682            &tool_call.status,
2683            ToolCallStatus::InProgress | ToolCallStatus::Pending
2684        );
2685
2686        v_flex()
2687            .h_full()
2688            .border_t_1()
2689            .border_color(self.tool_card_border_color(cx))
2690            .child(
2691                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
2692                    && let Some(editor) = entry.editor_for_diff(diff)
2693                    && diff.read(cx).has_revealed_range(cx)
2694                {
2695                    editor.into_any_element()
2696                } else if tool_progress && self.as_native_connection(cx).is_some() {
2697                    self.render_diff_loading(cx)
2698                } else {
2699                    Empty.into_any()
2700                },
2701            )
2702            .into_any()
2703    }
2704
2705    fn render_terminal_tool_call(
2706        &self,
2707        entry_ix: usize,
2708        terminal: &Entity<acp_thread::Terminal>,
2709        tool_call: &ToolCall,
2710        window: &Window,
2711        cx: &Context<Self>,
2712    ) -> AnyElement {
2713        let terminal_data = terminal.read(cx);
2714        let working_dir = terminal_data.working_dir();
2715        let command = terminal_data.command();
2716        let started_at = terminal_data.started_at();
2717
2718        let tool_failed = matches!(
2719            &tool_call.status,
2720            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
2721        );
2722
2723        let output = terminal_data.output();
2724        let command_finished = output.is_some();
2725        let truncated_output =
2726            output.is_some_and(|output| output.original_content_len > output.content.len());
2727        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
2728
2729        let command_failed = command_finished
2730            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
2731
2732        let time_elapsed = if let Some(output) = output {
2733            output.ended_at.duration_since(started_at)
2734        } else {
2735            started_at.elapsed()
2736        };
2737
2738        let header_id =
2739            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
2740        let header_group = SharedString::from(format!(
2741            "terminal-tool-header-group-{}",
2742            terminal.entity_id()
2743        ));
2744        let header_bg = cx
2745            .theme()
2746            .colors()
2747            .element_background
2748            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
2749        let border_color = cx.theme().colors().border.opacity(0.6);
2750
2751        let working_dir = working_dir
2752            .as_ref()
2753            .map(|path| path.display().to_string())
2754            .unwrap_or_else(|| "current directory".to_string());
2755
2756        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
2757
2758        let header = h_flex()
2759            .id(header_id)
2760            .flex_none()
2761            .gap_1()
2762            .justify_between()
2763            .rounded_t_md()
2764            .child(
2765                div()
2766                    .id(("command-target-path", terminal.entity_id()))
2767                    .w_full()
2768                    .max_w_full()
2769                    .overflow_x_scroll()
2770                    .child(
2771                        Label::new(working_dir)
2772                            .buffer_font(cx)
2773                            .size(LabelSize::XSmall)
2774                            .color(Color::Muted),
2775                    ),
2776            )
2777            .when(!command_finished, |header| {
2778                header
2779                    .gap_1p5()
2780                    .child(
2781                        Button::new(
2782                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
2783                            "Stop",
2784                        )
2785                        .icon(IconName::Stop)
2786                        .icon_position(IconPosition::Start)
2787                        .icon_size(IconSize::Small)
2788                        .icon_color(Color::Error)
2789                        .label_size(LabelSize::Small)
2790                        .tooltip(move |window, cx| {
2791                            Tooltip::with_meta(
2792                                "Stop This Command",
2793                                None,
2794                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
2795                                window,
2796                                cx,
2797                            )
2798                        })
2799                        .on_click({
2800                            let terminal = terminal.clone();
2801                            cx.listener(move |_this, _event, _window, cx| {
2802                                let inner_terminal = terminal.read(cx).inner().clone();
2803                                inner_terminal.update(cx, |inner_terminal, _cx| {
2804                                    inner_terminal.kill_active_task();
2805                                });
2806                            })
2807                        }),
2808                    )
2809                    .child(Divider::vertical())
2810                    .child(
2811                        Icon::new(IconName::ArrowCircle)
2812                            .size(IconSize::XSmall)
2813                            .color(Color::Info)
2814                            .with_rotate_animation(2)
2815                    )
2816            })
2817            .when(truncated_output, |header| {
2818                let tooltip = if let Some(output) = output {
2819                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
2820                       format!("Output exceeded terminal max lines and was \
2821                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
2822                    } else {
2823                        format!(
2824                            "Output is {} long, and to avoid unexpected token usage, \
2825                                only {} was sent back to the agent.",
2826                            format_file_size(output.original_content_len as u64, true),
2827                             format_file_size(output.content.len() as u64, true)
2828                        )
2829                    }
2830                } else {
2831                    "Output was truncated".to_string()
2832                };
2833
2834                header.child(
2835                    h_flex()
2836                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
2837                        .gap_1()
2838                        .child(
2839                            Icon::new(IconName::Info)
2840                                .size(IconSize::XSmall)
2841                                .color(Color::Ignored),
2842                        )
2843                        .child(
2844                            Label::new("Truncated")
2845                                .color(Color::Muted)
2846                                .size(LabelSize::XSmall),
2847                        )
2848                        .tooltip(Tooltip::text(tooltip)),
2849                )
2850            })
2851            .when(time_elapsed > Duration::from_secs(10), |header| {
2852                header.child(
2853                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
2854                        .buffer_font(cx)
2855                        .color(Color::Muted)
2856                        .size(LabelSize::XSmall),
2857                )
2858            })
2859            .when(tool_failed || command_failed, |header| {
2860                header.child(
2861                    div()
2862                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
2863                        .child(
2864                            Icon::new(IconName::Close)
2865                                .size(IconSize::Small)
2866                                .color(Color::Error),
2867                        )
2868                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
2869                            this.tooltip(Tooltip::text(format!(
2870                                "Exited with code {}",
2871                                status.code().unwrap_or(-1),
2872                            )))
2873                        }),
2874                )
2875            })
2876            .child(
2877                Disclosure::new(
2878                    SharedString::from(format!(
2879                        "terminal-tool-disclosure-{}",
2880                        terminal.entity_id()
2881                    )),
2882                    is_expanded,
2883                )
2884                .opened_icon(IconName::ChevronUp)
2885                .closed_icon(IconName::ChevronDown)
2886                .visible_on_hover(&header_group)
2887                .on_click(cx.listener({
2888                    let id = tool_call.id.clone();
2889                    move |this, _event, _window, _cx| {
2890                        if is_expanded {
2891                            this.expanded_tool_calls.remove(&id);
2892                        } else {
2893                            this.expanded_tool_calls.insert(id.clone());
2894                        }
2895                    }
2896                })),
2897            );
2898
2899        let terminal_view = self
2900            .entry_view_state
2901            .read(cx)
2902            .entry(entry_ix)
2903            .and_then(|entry| entry.terminal(terminal));
2904        let show_output = is_expanded && terminal_view.is_some();
2905
2906        v_flex()
2907            .my_1p5()
2908            .mx_5()
2909            .border_1()
2910            .when(tool_failed || command_failed, |card| card.border_dashed())
2911            .border_color(border_color)
2912            .rounded_md()
2913            .overflow_hidden()
2914            .child(
2915                v_flex()
2916                    .group(&header_group)
2917                    .py_1p5()
2918                    .pr_1p5()
2919                    .pl_2()
2920                    .gap_0p5()
2921                    .bg(header_bg)
2922                    .text_xs()
2923                    .child(header)
2924                    .child(
2925                        MarkdownElement::new(
2926                            command.clone(),
2927                            terminal_command_markdown_style(window, cx),
2928                        )
2929                        .code_block_renderer(
2930                            markdown::CodeBlockRenderer::Default {
2931                                copy_button: false,
2932                                copy_button_on_hover: true,
2933                                border: false,
2934                            },
2935                        ),
2936                    ),
2937            )
2938            .when(show_output, |this| {
2939                this.child(
2940                    div()
2941                        .pt_2()
2942                        .border_t_1()
2943                        .when(tool_failed || command_failed, |card| card.border_dashed())
2944                        .border_color(border_color)
2945                        .bg(cx.theme().colors().editor_background)
2946                        .rounded_b_md()
2947                        .text_ui_sm(cx)
2948                        .h_full()
2949                        .children(terminal_view.map(|terminal_view| {
2950                            if terminal_view
2951                                .read(cx)
2952                                .content_mode(window, cx)
2953                                .is_scrollable()
2954                            {
2955                                div().h_72().child(terminal_view).into_any_element()
2956                            } else {
2957                                terminal_view.into_any_element()
2958                            }
2959                        })),
2960                )
2961            })
2962            .into_any()
2963    }
2964
2965    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
2966        let project_context = self
2967            .as_native_thread(cx)?
2968            .read(cx)
2969            .project_context()
2970            .read(cx);
2971
2972        let user_rules_text = if project_context.user_rules.is_empty() {
2973            None
2974        } else if project_context.user_rules.len() == 1 {
2975            let user_rules = &project_context.user_rules[0];
2976
2977            match user_rules.title.as_ref() {
2978                Some(title) => Some(format!("Using \"{title}\" user rule")),
2979                None => Some("Using user rule".into()),
2980            }
2981        } else {
2982            Some(format!(
2983                "Using {} user rules",
2984                project_context.user_rules.len()
2985            ))
2986        };
2987
2988        let first_user_rules_id = project_context
2989            .user_rules
2990            .first()
2991            .map(|user_rules| user_rules.uuid.0);
2992
2993        let rules_files = project_context
2994            .worktrees
2995            .iter()
2996            .filter_map(|worktree| worktree.rules_file.as_ref())
2997            .collect::<Vec<_>>();
2998
2999        let rules_file_text = match rules_files.as_slice() {
3000            &[] => None,
3001            &[rules_file] => Some(format!(
3002                "Using project {:?} file",
3003                rules_file.path_in_worktree
3004            )),
3005            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3006        };
3007
3008        if user_rules_text.is_none() && rules_file_text.is_none() {
3009            return None;
3010        }
3011
3012        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
3013
3014        Some(
3015            h_flex()
3016                .px_2p5()
3017                .child(
3018                    Icon::new(IconName::Attach)
3019                        .size(IconSize::XSmall)
3020                        .color(Color::Disabled),
3021                )
3022                .when_some(user_rules_text, |parent, user_rules_text| {
3023                    parent.child(
3024                        h_flex()
3025                            .id("user-rules")
3026                            .ml_1()
3027                            .mr_1p5()
3028                            .child(
3029                                Label::new(user_rules_text)
3030                                    .size(LabelSize::XSmall)
3031                                    .color(Color::Muted)
3032                                    .truncate(),
3033                            )
3034                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3035                            .tooltip(Tooltip::text("View User Rules"))
3036                            .on_click(move |_event, window, cx| {
3037                                window.dispatch_action(
3038                                    Box::new(OpenRulesLibrary {
3039                                        prompt_to_select: first_user_rules_id,
3040                                    }),
3041                                    cx,
3042                                )
3043                            }),
3044                    )
3045                })
3046                .when(has_both, |this| {
3047                    this.child(
3048                        Label::new("•")
3049                            .size(LabelSize::XSmall)
3050                            .color(Color::Disabled),
3051                    )
3052                })
3053                .when_some(rules_file_text, |parent, rules_file_text| {
3054                    parent.child(
3055                        h_flex()
3056                            .id("project-rules")
3057                            .ml_1p5()
3058                            .child(
3059                                Label::new(rules_file_text)
3060                                    .size(LabelSize::XSmall)
3061                                    .color(Color::Muted),
3062                            )
3063                            .hover(|s| s.bg(cx.theme().colors().element_hover))
3064                            .tooltip(Tooltip::text("View Project Rules"))
3065                            .on_click(cx.listener(Self::handle_open_rules)),
3066                    )
3067                })
3068                .into_any(),
3069        )
3070    }
3071
3072    fn render_empty_state_section_header(
3073        &self,
3074        label: impl Into<SharedString>,
3075        action_slot: Option<AnyElement>,
3076        cx: &mut Context<Self>,
3077    ) -> impl IntoElement {
3078        div().pl_1().pr_1p5().child(
3079            h_flex()
3080                .mt_2()
3081                .pl_1p5()
3082                .pb_1()
3083                .w_full()
3084                .justify_between()
3085                .border_b_1()
3086                .border_color(cx.theme().colors().border_variant)
3087                .child(
3088                    Label::new(label.into())
3089                        .size(LabelSize::Small)
3090                        .color(Color::Muted),
3091                )
3092                .children(action_slot),
3093        )
3094    }
3095
3096    fn render_recent_history(&self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3097        let render_history = self
3098            .agent
3099            .clone()
3100            .downcast::<agent2::NativeAgentServer>()
3101            .is_some()
3102            && self
3103                .history_store
3104                .update(cx, |history_store, cx| !history_store.is_empty(cx));
3105
3106        v_flex()
3107            .size_full()
3108            .when(render_history, |this| {
3109                let recent_history: Vec<_> = self.history_store.update(cx, |history_store, _| {
3110                    history_store.entries().take(3).collect()
3111                });
3112                this.justify_end().child(
3113                    v_flex()
3114                        .child(
3115                            self.render_empty_state_section_header(
3116                                "Recent",
3117                                Some(
3118                                    Button::new("view-history", "View All")
3119                                        .style(ButtonStyle::Subtle)
3120                                        .label_size(LabelSize::Small)
3121                                        .key_binding(
3122                                            KeyBinding::for_action_in(
3123                                                &OpenHistory,
3124                                                &self.focus_handle(cx),
3125                                                window,
3126                                                cx,
3127                                            )
3128                                            .map(|kb| kb.size(rems_from_px(12.))),
3129                                        )
3130                                        .on_click(move |_event, window, cx| {
3131                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
3132                                        })
3133                                        .into_any_element(),
3134                                ),
3135                                cx,
3136                            ),
3137                        )
3138                        .child(
3139                            v_flex().p_1().pr_1p5().gap_1().children(
3140                                recent_history
3141                                    .into_iter()
3142                                    .enumerate()
3143                                    .map(|(index, entry)| {
3144                                        // TODO: Add keyboard navigation.
3145                                        let is_hovered =
3146                                            self.hovered_recent_history_item == Some(index);
3147                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
3148                                            entry,
3149                                            cx.entity().downgrade(),
3150                                        )
3151                                        .hovered(is_hovered)
3152                                        .on_hover(cx.listener(
3153                                            move |this, is_hovered, _window, cx| {
3154                                                if *is_hovered {
3155                                                    this.hovered_recent_history_item = Some(index);
3156                                                } else if this.hovered_recent_history_item
3157                                                    == Some(index)
3158                                                {
3159                                                    this.hovered_recent_history_item = None;
3160                                                }
3161                                                cx.notify();
3162                                            },
3163                                        ))
3164                                        .into_any_element()
3165                                    }),
3166                            ),
3167                        ),
3168                )
3169            })
3170            .into_any()
3171    }
3172
3173    fn render_auth_required_state(
3174        &self,
3175        connection: &Rc<dyn AgentConnection>,
3176        description: Option<&Entity<Markdown>>,
3177        configuration_view: Option<&AnyView>,
3178        pending_auth_method: Option<&acp::AuthMethodId>,
3179        window: &mut Window,
3180        cx: &Context<Self>,
3181    ) -> Div {
3182        let show_description =
3183            configuration_view.is_none() && description.is_none() && pending_auth_method.is_none();
3184
3185        let auth_methods = connection.auth_methods();
3186
3187        v_flex().flex_1().size_full().justify_end().child(
3188            v_flex()
3189                .p_2()
3190                .pr_3()
3191                .w_full()
3192                .gap_1()
3193                .border_t_1()
3194                .border_color(cx.theme().colors().border)
3195                .bg(cx.theme().status().warning.opacity(0.04))
3196                .child(
3197                    h_flex()
3198                        .gap_1p5()
3199                        .child(
3200                            Icon::new(IconName::Warning)
3201                                .color(Color::Warning)
3202                                .size(IconSize::Small),
3203                        )
3204                        .child(Label::new("Authentication Required").size(LabelSize::Small)),
3205                )
3206                .children(description.map(|desc| {
3207                    div().text_ui(cx).child(self.render_markdown(
3208                        desc.clone(),
3209                        default_markdown_style(false, false, window, cx),
3210                    ))
3211                }))
3212                .children(
3213                    configuration_view
3214                        .cloned()
3215                        .map(|view| div().w_full().child(view)),
3216                )
3217                .when(show_description, |el| {
3218                    el.child(
3219                        Label::new(format!(
3220                            "You are not currently authenticated with {}.{}",
3221                            self.agent.name(),
3222                            if auth_methods.len() > 1 {
3223                                " Please choose one of the following options:"
3224                            } else {
3225                                ""
3226                            }
3227                        ))
3228                        .size(LabelSize::Small)
3229                        .color(Color::Muted)
3230                        .mb_1()
3231                        .ml_5(),
3232                    )
3233                })
3234                .when_some(pending_auth_method, |el, _| {
3235                    el.child(
3236                        h_flex()
3237                            .py_4()
3238                            .w_full()
3239                            .justify_center()
3240                            .gap_1()
3241                            .child(
3242                                Icon::new(IconName::ArrowCircle)
3243                                    .size(IconSize::Small)
3244                                    .color(Color::Muted)
3245                                    .with_rotate_animation(2),
3246                            )
3247                            .child(Label::new("Authenticating…").size(LabelSize::Small)),
3248                    )
3249                })
3250                .when(!auth_methods.is_empty(), |this| {
3251                    this.child(
3252                        h_flex()
3253                            .justify_end()
3254                            .flex_wrap()
3255                            .gap_1()
3256                            .when(!show_description, |this| {
3257                                this.border_t_1()
3258                                    .mt_1()
3259                                    .pt_2()
3260                                    .border_color(cx.theme().colors().border.opacity(0.8))
3261                            })
3262                            .children(connection.auth_methods().iter().enumerate().rev().map(
3263                                |(ix, method)| {
3264                                    let (method_id, name) = if self
3265                                        .project
3266                                        .read(cx)
3267                                        .is_via_remote_server()
3268                                        && method.id.0.as_ref() == "oauth-personal"
3269                                        && method.name == "Log in with Google"
3270                                    {
3271                                        ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
3272                                    } else {
3273                                        (method.id.0.clone(), method.name.clone())
3274                                    };
3275
3276                                    Button::new(SharedString::from(method_id.clone()), name)
3277                                        .label_size(LabelSize::Small)
3278                                        .map(|this| {
3279                                            if ix == 0 {
3280                                                this.style(ButtonStyle::Tinted(TintColor::Warning))
3281                                            } else {
3282                                                this.style(ButtonStyle::Outlined)
3283                                            }
3284                                        })
3285                                        .on_click({
3286                                            cx.listener(move |this, _, window, cx| {
3287                                                telemetry::event!(
3288                                                    "Authenticate Agent Started",
3289                                                    agent = this.agent.telemetry_id(),
3290                                                    method = method_id
3291                                                );
3292
3293                                                this.authenticate(
3294                                                    acp::AuthMethodId(method_id.clone()),
3295                                                    window,
3296                                                    cx,
3297                                                )
3298                                            })
3299                                        })
3300                                },
3301                            )),
3302                    )
3303                }),
3304        )
3305    }
3306
3307    fn render_load_error(
3308        &self,
3309        e: &LoadError,
3310        window: &mut Window,
3311        cx: &mut Context<Self>,
3312    ) -> AnyElement {
3313        let (title, message, action_slot): (_, SharedString, _) = match e {
3314            LoadError::Unsupported {
3315                command: path,
3316                current_version,
3317                minimum_version,
3318            } => {
3319                return self.render_unsupported(path, current_version, minimum_version, window, cx);
3320            }
3321            LoadError::FailedToInstall(msg) => (
3322                "Failed to Install",
3323                msg.into(),
3324                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3325            ),
3326            LoadError::Exited { status } => (
3327                "Failed to Launch",
3328                format!("Server exited with status {status}").into(),
3329                None,
3330            ),
3331            LoadError::Other(msg) => (
3332                "Failed to Launch",
3333                msg.into(),
3334                Some(self.create_copy_button(msg.to_string()).into_any_element()),
3335            ),
3336        };
3337
3338        Callout::new()
3339            .severity(Severity::Error)
3340            .icon(IconName::XCircleFilled)
3341            .title(title)
3342            .description(message)
3343            .actions_slot(div().children(action_slot))
3344            .into_any_element()
3345    }
3346
3347    fn render_unsupported(
3348        &self,
3349        path: &SharedString,
3350        version: &SharedString,
3351        minimum_version: &SharedString,
3352        _window: &mut Window,
3353        cx: &mut Context<Self>,
3354    ) -> AnyElement {
3355        let (heading_label, description_label) = (
3356            format!("Upgrade {} to work with Zed", self.agent.name()),
3357            if version.is_empty() {
3358                format!(
3359                    "Currently using {}, which does not report a valid --version",
3360                    path,
3361                )
3362            } else {
3363                format!(
3364                    "Currently using {}, which is only version {} (need at least {minimum_version})",
3365                    path, version
3366                )
3367            },
3368        );
3369
3370        v_flex()
3371            .w_full()
3372            .p_3p5()
3373            .gap_2p5()
3374            .border_t_1()
3375            .border_color(cx.theme().colors().border)
3376            .bg(linear_gradient(
3377                180.,
3378                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
3379                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
3380            ))
3381            .child(
3382                v_flex().gap_0p5().child(Label::new(heading_label)).child(
3383                    Label::new(description_label)
3384                        .size(LabelSize::Small)
3385                        .color(Color::Muted),
3386                ),
3387            )
3388            .into_any_element()
3389    }
3390
3391    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
3392        let editor_bg_color = cx.theme().colors().editor_background;
3393        let active_color = cx.theme().colors().element_selected;
3394        editor_bg_color.blend(active_color.opacity(0.3))
3395    }
3396
3397    fn render_activity_bar(
3398        &self,
3399        thread_entity: &Entity<AcpThread>,
3400        window: &mut Window,
3401        cx: &Context<Self>,
3402    ) -> Option<AnyElement> {
3403        let thread = thread_entity.read(cx);
3404        let action_log = thread.action_log();
3405        let changed_buffers = action_log.read(cx).changed_buffers(cx);
3406        let plan = thread.plan();
3407
3408        if changed_buffers.is_empty() && plan.is_empty() {
3409            return None;
3410        }
3411
3412        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
3413        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
3414        // be, which blocks you from being able to accept or reject edits. This switches the
3415        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
3416        // block you from using the panel.
3417        let pending_edits = false;
3418
3419        v_flex()
3420            .mt_1()
3421            .mx_2()
3422            .bg(self.activity_bar_bg(cx))
3423            .border_1()
3424            .border_b_0()
3425            .border_color(cx.theme().colors().border)
3426            .rounded_t_md()
3427            .shadow(vec![gpui::BoxShadow {
3428                color: gpui::black().opacity(0.15),
3429                offset: point(px(1.), px(-1.)),
3430                blur_radius: px(3.),
3431                spread_radius: px(0.),
3432            }])
3433            .when(!plan.is_empty(), |this| {
3434                this.child(self.render_plan_summary(plan, window, cx))
3435                    .when(self.plan_expanded, |parent| {
3436                        parent.child(self.render_plan_entries(plan, window, cx))
3437                    })
3438            })
3439            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
3440                this.child(Divider::horizontal().color(DividerColor::Border))
3441            })
3442            .when(!changed_buffers.is_empty(), |this| {
3443                this.child(self.render_edits_summary(
3444                    &changed_buffers,
3445                    self.edits_expanded,
3446                    pending_edits,
3447                    window,
3448                    cx,
3449                ))
3450                .when(self.edits_expanded, |parent| {
3451                    parent.child(self.render_edited_files(
3452                        action_log,
3453                        &changed_buffers,
3454                        pending_edits,
3455                        cx,
3456                    ))
3457                })
3458            })
3459            .into_any()
3460            .into()
3461    }
3462
3463    fn render_plan_summary(
3464        &self,
3465        plan: &Plan,
3466        window: &mut Window,
3467        cx: &Context<Self>,
3468    ) -> impl IntoElement {
3469        let stats = plan.stats();
3470
3471        let title = if let Some(entry) = stats.in_progress_entry
3472            && !self.plan_expanded
3473        {
3474            h_flex()
3475                .cursor_default()
3476                .relative()
3477                .w_full()
3478                .gap_1()
3479                .truncate()
3480                .child(
3481                    Label::new("Current:")
3482                        .size(LabelSize::Small)
3483                        .color(Color::Muted),
3484                )
3485                .child(
3486                    div()
3487                        .text_xs()
3488                        .text_color(cx.theme().colors().text_muted)
3489                        .line_clamp(1)
3490                        .child(MarkdownElement::new(
3491                            entry.content.clone(),
3492                            plan_label_markdown_style(&entry.status, window, cx),
3493                        )),
3494                )
3495                .when(stats.pending > 0, |this| {
3496                    this.child(
3497                        h_flex()
3498                            .absolute()
3499                            .top_0()
3500                            .right_0()
3501                            .h_full()
3502                            .child(div().min_w_8().h_full().bg(linear_gradient(
3503                                90.,
3504                                linear_color_stop(self.activity_bar_bg(cx), 1.),
3505                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
3506                            )))
3507                            .child(
3508                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
3509                                    Label::new(format!("{} left", stats.pending))
3510                                        .size(LabelSize::Small)
3511                                        .color(Color::Muted),
3512                                ),
3513                            ),
3514                    )
3515                })
3516        } else {
3517            let status_label = if stats.pending == 0 {
3518                "All Done".to_string()
3519            } else if stats.completed == 0 {
3520                format!("{} Tasks", plan.entries.len())
3521            } else {
3522                format!("{}/{}", stats.completed, plan.entries.len())
3523            };
3524
3525            h_flex()
3526                .w_full()
3527                .gap_1()
3528                .justify_between()
3529                .child(
3530                    Label::new("Plan")
3531                        .size(LabelSize::Small)
3532                        .color(Color::Muted),
3533                )
3534                .child(
3535                    Label::new(status_label)
3536                        .size(LabelSize::Small)
3537                        .color(Color::Muted)
3538                        .mr_1(),
3539                )
3540        };
3541
3542        h_flex()
3543            .id("plan_summary")
3544            .p_1()
3545            .w_full()
3546            .gap_1()
3547            .when(self.plan_expanded, |this| {
3548                this.border_b_1().border_color(cx.theme().colors().border)
3549            })
3550            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
3551            .child(title)
3552            .on_click(cx.listener(|this, _, _, cx| {
3553                this.plan_expanded = !this.plan_expanded;
3554                cx.notify();
3555            }))
3556    }
3557
3558    fn render_plan_entries(&self, plan: &Plan, window: &mut Window, cx: &Context<Self>) -> Div {
3559        v_flex().children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
3560            let element = h_flex()
3561                .py_1()
3562                .px_2()
3563                .gap_2()
3564                .justify_between()
3565                .bg(cx.theme().colors().editor_background)
3566                .when(index < plan.entries.len() - 1, |parent| {
3567                    parent.border_color(cx.theme().colors().border).border_b_1()
3568                })
3569                .child(
3570                    h_flex()
3571                        .id(("plan_entry", index))
3572                        .gap_1p5()
3573                        .max_w_full()
3574                        .overflow_x_scroll()
3575                        .text_xs()
3576                        .text_color(cx.theme().colors().text_muted)
3577                        .child(match entry.status {
3578                            acp::PlanEntryStatus::Pending => Icon::new(IconName::TodoPending)
3579                                .size(IconSize::Small)
3580                                .color(Color::Muted)
3581                                .into_any_element(),
3582                            acp::PlanEntryStatus::InProgress => Icon::new(IconName::TodoProgress)
3583                                .size(IconSize::Small)
3584                                .color(Color::Accent)
3585                                .with_rotate_animation(2)
3586                                .into_any_element(),
3587                            acp::PlanEntryStatus::Completed => Icon::new(IconName::TodoComplete)
3588                                .size(IconSize::Small)
3589                                .color(Color::Success)
3590                                .into_any_element(),
3591                        })
3592                        .child(MarkdownElement::new(
3593                            entry.content.clone(),
3594                            plan_label_markdown_style(&entry.status, window, cx),
3595                        )),
3596                );
3597
3598            Some(element)
3599        }))
3600    }
3601
3602    fn render_edits_summary(
3603        &self,
3604        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3605        expanded: bool,
3606        pending_edits: bool,
3607        window: &mut Window,
3608        cx: &Context<Self>,
3609    ) -> Div {
3610        const EDIT_NOT_READY_TOOLTIP_LABEL: &str = "Wait until file edits are complete.";
3611
3612        let focus_handle = self.focus_handle(cx);
3613
3614        h_flex()
3615            .p_1()
3616            .justify_between()
3617            .flex_wrap()
3618            .when(expanded, |this| {
3619                this.border_b_1().border_color(cx.theme().colors().border)
3620            })
3621            .child(
3622                h_flex()
3623                    .id("edits-container")
3624                    .gap_1()
3625                    .child(Disclosure::new("edits-disclosure", expanded))
3626                    .map(|this| {
3627                        if pending_edits {
3628                            this.child(
3629                                Label::new(format!(
3630                                    "Editing {} {}…",
3631                                    changed_buffers.len(),
3632                                    if changed_buffers.len() == 1 {
3633                                        "file"
3634                                    } else {
3635                                        "files"
3636                                    }
3637                                ))
3638                                .color(Color::Muted)
3639                                .size(LabelSize::Small)
3640                                .with_animation(
3641                                    "edit-label",
3642                                    Animation::new(Duration::from_secs(2))
3643                                        .repeat()
3644                                        .with_easing(pulsating_between(0.3, 0.7)),
3645                                    |label, delta| label.alpha(delta),
3646                                ),
3647                            )
3648                        } else {
3649                            this.child(
3650                                Label::new("Edits")
3651                                    .size(LabelSize::Small)
3652                                    .color(Color::Muted),
3653                            )
3654                            .child(Label::new("•").size(LabelSize::XSmall).color(Color::Muted))
3655                            .child(
3656                                Label::new(format!(
3657                                    "{} {}",
3658                                    changed_buffers.len(),
3659                                    if changed_buffers.len() == 1 {
3660                                        "file"
3661                                    } else {
3662                                        "files"
3663                                    }
3664                                ))
3665                                .size(LabelSize::Small)
3666                                .color(Color::Muted),
3667                            )
3668                        }
3669                    })
3670                    .on_click(cx.listener(|this, _, _, cx| {
3671                        this.edits_expanded = !this.edits_expanded;
3672                        cx.notify();
3673                    })),
3674            )
3675            .child(
3676                h_flex()
3677                    .gap_1()
3678                    .child(
3679                        IconButton::new("review-changes", IconName::ListTodo)
3680                            .icon_size(IconSize::Small)
3681                            .tooltip({
3682                                let focus_handle = focus_handle.clone();
3683                                move |window, cx| {
3684                                    Tooltip::for_action_in(
3685                                        "Review Changes",
3686                                        &OpenAgentDiff,
3687                                        &focus_handle,
3688                                        window,
3689                                        cx,
3690                                    )
3691                                }
3692                            })
3693                            .on_click(cx.listener(|_, _, window, cx| {
3694                                window.dispatch_action(OpenAgentDiff.boxed_clone(), cx);
3695                            })),
3696                    )
3697                    .child(Divider::vertical().color(DividerColor::Border))
3698                    .child(
3699                        Button::new("reject-all-changes", "Reject All")
3700                            .label_size(LabelSize::Small)
3701                            .disabled(pending_edits)
3702                            .when(pending_edits, |this| {
3703                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3704                            })
3705                            .key_binding(
3706                                KeyBinding::for_action_in(
3707                                    &RejectAll,
3708                                    &focus_handle.clone(),
3709                                    window,
3710                                    cx,
3711                                )
3712                                .map(|kb| kb.size(rems_from_px(10.))),
3713                            )
3714                            .on_click(cx.listener(move |this, _, window, cx| {
3715                                this.reject_all(&RejectAll, window, cx);
3716                            })),
3717                    )
3718                    .child(
3719                        Button::new("keep-all-changes", "Keep All")
3720                            .label_size(LabelSize::Small)
3721                            .disabled(pending_edits)
3722                            .when(pending_edits, |this| {
3723                                this.tooltip(Tooltip::text(EDIT_NOT_READY_TOOLTIP_LABEL))
3724                            })
3725                            .key_binding(
3726                                KeyBinding::for_action_in(&KeepAll, &focus_handle, window, cx)
3727                                    .map(|kb| kb.size(rems_from_px(10.))),
3728                            )
3729                            .on_click(cx.listener(move |this, _, window, cx| {
3730                                this.keep_all(&KeepAll, window, cx);
3731                            })),
3732                    ),
3733            )
3734    }
3735
3736    fn render_edited_files(
3737        &self,
3738        action_log: &Entity<ActionLog>,
3739        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
3740        pending_edits: bool,
3741        cx: &Context<Self>,
3742    ) -> Div {
3743        let editor_bg_color = cx.theme().colors().editor_background;
3744
3745        v_flex().children(changed_buffers.iter().enumerate().flat_map(
3746            |(index, (buffer, _diff))| {
3747                let file = buffer.read(cx).file()?;
3748                let path = file.path();
3749                let path_style = file.path_style(cx);
3750                let separator = file.path_style(cx).separator();
3751
3752                let file_path = path.parent().and_then(|parent| {
3753                    if parent.is_empty() {
3754                        None
3755                    } else {
3756                        Some(
3757                            Label::new(format!("{}{separator}", parent.display(path_style)))
3758                                .color(Color::Muted)
3759                                .size(LabelSize::XSmall)
3760                                .buffer_font(cx),
3761                        )
3762                    }
3763                });
3764
3765                let file_name = path.file_name().map(|name| {
3766                    Label::new(name.to_string())
3767                        .size(LabelSize::XSmall)
3768                        .buffer_font(cx)
3769                });
3770
3771                let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
3772                    .map(Icon::from_path)
3773                    .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
3774                    .unwrap_or_else(|| {
3775                        Icon::new(IconName::File)
3776                            .color(Color::Muted)
3777                            .size(IconSize::Small)
3778                    });
3779
3780                let overlay_gradient = linear_gradient(
3781                    90.,
3782                    linear_color_stop(editor_bg_color, 1.),
3783                    linear_color_stop(editor_bg_color.opacity(0.2), 0.),
3784                );
3785
3786                let element = h_flex()
3787                    .group("edited-code")
3788                    .id(("file-container", index))
3789                    .py_1()
3790                    .pl_2()
3791                    .pr_1()
3792                    .gap_2()
3793                    .justify_between()
3794                    .bg(editor_bg_color)
3795                    .when(index < changed_buffers.len() - 1, |parent| {
3796                        parent.border_color(cx.theme().colors().border).border_b_1()
3797                    })
3798                    .child(
3799                        h_flex()
3800                            .relative()
3801                            .id(("file-name", index))
3802                            .pr_8()
3803                            .gap_1p5()
3804                            .w_full()
3805                            .overflow_x_scroll()
3806                            .child(file_icon)
3807                            .child(h_flex().gap_0p5().children(file_name).children(file_path))
3808                            .child(
3809                                div()
3810                                    .absolute()
3811                                    .h_full()
3812                                    .w_12()
3813                                    .top_0()
3814                                    .bottom_0()
3815                                    .right_0()
3816                                    .bg(overlay_gradient),
3817                            )
3818                            .on_click({
3819                                let buffer = buffer.clone();
3820                                cx.listener(move |this, _, window, cx| {
3821                                    this.open_edited_buffer(&buffer, window, cx);
3822                                })
3823                            }),
3824                    )
3825                    .child(
3826                        h_flex()
3827                            .gap_1()
3828                            .visible_on_hover("edited-code")
3829                            .child(
3830                                Button::new("review", "Review")
3831                                    .label_size(LabelSize::Small)
3832                                    .on_click({
3833                                        let buffer = buffer.clone();
3834                                        cx.listener(move |this, _, window, cx| {
3835                                            this.open_edited_buffer(&buffer, window, cx);
3836                                        })
3837                                    }),
3838                            )
3839                            .child(Divider::vertical().color(DividerColor::BorderVariant))
3840                            .child(
3841                                Button::new("reject-file", "Reject")
3842                                    .label_size(LabelSize::Small)
3843                                    .disabled(pending_edits)
3844                                    .on_click({
3845                                        let buffer = buffer.clone();
3846                                        let action_log = action_log.clone();
3847                                        move |_, _, cx| {
3848                                            action_log.update(cx, |action_log, cx| {
3849                                                action_log
3850                                                    .reject_edits_in_ranges(
3851                                                        buffer.clone(),
3852                                                        vec![Anchor::MIN..Anchor::MAX],
3853                                                        cx,
3854                                                    )
3855                                                    .detach_and_log_err(cx);
3856                                            })
3857                                        }
3858                                    }),
3859                            )
3860                            .child(
3861                                Button::new("keep-file", "Keep")
3862                                    .label_size(LabelSize::Small)
3863                                    .disabled(pending_edits)
3864                                    .on_click({
3865                                        let buffer = buffer.clone();
3866                                        let action_log = action_log.clone();
3867                                        move |_, _, cx| {
3868                                            action_log.update(cx, |action_log, cx| {
3869                                                action_log.keep_edits_in_range(
3870                                                    buffer.clone(),
3871                                                    Anchor::MIN..Anchor::MAX,
3872                                                    cx,
3873                                                );
3874                                            })
3875                                        }
3876                                    }),
3877                            ),
3878                    );
3879
3880                Some(element)
3881            },
3882        ))
3883    }
3884
3885    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
3886        let focus_handle = self.message_editor.focus_handle(cx);
3887        let editor_bg_color = cx.theme().colors().editor_background;
3888        let (expand_icon, expand_tooltip) = if self.editor_expanded {
3889            (IconName::Minimize, "Minimize Message Editor")
3890        } else {
3891            (IconName::Maximize, "Expand Message Editor")
3892        };
3893
3894        let backdrop = div()
3895            .size_full()
3896            .absolute()
3897            .inset_0()
3898            .bg(cx.theme().colors().panel_background)
3899            .opacity(0.8)
3900            .block_mouse_except_scroll();
3901
3902        let enable_editor = match self.thread_state {
3903            ThreadState::Loading { .. } | ThreadState::Ready { .. } => true,
3904            ThreadState::Unauthenticated { .. } | ThreadState::LoadError(..) => false,
3905        };
3906
3907        v_flex()
3908            .on_action(cx.listener(Self::expand_message_editor))
3909            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
3910                if let Some(profile_selector) = this.profile_selector.as_ref() {
3911                    profile_selector.read(cx).menu_handle().toggle(window, cx);
3912                } else if let Some(mode_selector) = this.mode_selector() {
3913                    mode_selector.read(cx).menu_handle().toggle(window, cx);
3914                }
3915            }))
3916            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
3917                if let Some(mode_selector) = this.mode_selector() {
3918                    mode_selector.update(cx, |mode_selector, cx| {
3919                        mode_selector.cycle_mode(window, cx);
3920                    });
3921                }
3922            }))
3923            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
3924                if let Some(model_selector) = this.model_selector.as_ref() {
3925                    model_selector
3926                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
3927                }
3928            }))
3929            .p_2()
3930            .gap_2()
3931            .border_t_1()
3932            .border_color(cx.theme().colors().border)
3933            .bg(editor_bg_color)
3934            .when(self.editor_expanded, |this| {
3935                this.h(vh(0.8, window)).size_full().justify_between()
3936            })
3937            .child(
3938                v_flex()
3939                    .relative()
3940                    .size_full()
3941                    .pt_1()
3942                    .pr_2p5()
3943                    .child(self.message_editor.clone())
3944                    .child(
3945                        h_flex()
3946                            .absolute()
3947                            .top_0()
3948                            .right_0()
3949                            .opacity(0.5)
3950                            .hover(|this| this.opacity(1.0))
3951                            .child(
3952                                IconButton::new("toggle-height", expand_icon)
3953                                    .icon_size(IconSize::Small)
3954                                    .icon_color(Color::Muted)
3955                                    .tooltip({
3956                                        move |window, cx| {
3957                                            Tooltip::for_action_in(
3958                                                expand_tooltip,
3959                                                &ExpandMessageEditor,
3960                                                &focus_handle,
3961                                                window,
3962                                                cx,
3963                                            )
3964                                        }
3965                                    })
3966                                    .on_click(cx.listener(|_, _, window, cx| {
3967                                        window.dispatch_action(Box::new(ExpandMessageEditor), cx);
3968                                    })),
3969                            ),
3970                    ),
3971            )
3972            .child(
3973                h_flex()
3974                    .flex_none()
3975                    .flex_wrap()
3976                    .justify_between()
3977                    .child(
3978                        h_flex()
3979                            .child(self.render_follow_toggle(cx))
3980                            .children(self.render_burn_mode_toggle(cx)),
3981                    )
3982                    .child(
3983                        h_flex()
3984                            .gap_1()
3985                            .children(self.render_token_usage(cx))
3986                            .children(self.profile_selector.clone())
3987                            .children(self.mode_selector().cloned())
3988                            .children(self.model_selector.clone())
3989                            .child(self.render_send_button(cx)),
3990                    ),
3991            )
3992            .when(!enable_editor, |this| this.child(backdrop))
3993            .into_any()
3994    }
3995
3996    pub(crate) fn as_native_connection(
3997        &self,
3998        cx: &App,
3999    ) -> Option<Rc<agent2::NativeAgentConnection>> {
4000        let acp_thread = self.thread()?.read(cx);
4001        acp_thread.connection().clone().downcast()
4002    }
4003
4004    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
4005        let acp_thread = self.thread()?.read(cx);
4006        self.as_native_connection(cx)?
4007            .thread(acp_thread.session_id(), cx)
4008    }
4009
4010    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
4011        self.as_native_thread(cx)
4012            .and_then(|thread| thread.read(cx).model())
4013            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
4014    }
4015
4016    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
4017        let thread = self.thread()?.read(cx);
4018        let usage = thread.token_usage()?;
4019        let is_generating = thread.status() != ThreadStatus::Idle;
4020
4021        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
4022        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
4023
4024        Some(
4025            h_flex()
4026                .flex_shrink_0()
4027                .gap_0p5()
4028                .mr_1p5()
4029                .child(
4030                    Label::new(used)
4031                        .size(LabelSize::Small)
4032                        .color(Color::Muted)
4033                        .map(|label| {
4034                            if is_generating {
4035                                label
4036                                    .with_animation(
4037                                        "used-tokens-label",
4038                                        Animation::new(Duration::from_secs(2))
4039                                            .repeat()
4040                                            .with_easing(pulsating_between(0.3, 0.8)),
4041                                        |label, delta| label.alpha(delta),
4042                                    )
4043                                    .into_any()
4044                            } else {
4045                                label.into_any_element()
4046                            }
4047                        }),
4048                )
4049                .child(
4050                    Label::new("/")
4051                        .size(LabelSize::Small)
4052                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
4053                )
4054                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
4055        )
4056    }
4057
4058    fn toggle_burn_mode(
4059        &mut self,
4060        _: &ToggleBurnMode,
4061        _window: &mut Window,
4062        cx: &mut Context<Self>,
4063    ) {
4064        let Some(thread) = self.as_native_thread(cx) else {
4065            return;
4066        };
4067
4068        thread.update(cx, |thread, cx| {
4069            let current_mode = thread.completion_mode();
4070            thread.set_completion_mode(
4071                match current_mode {
4072                    CompletionMode::Burn => CompletionMode::Normal,
4073                    CompletionMode::Normal => CompletionMode::Burn,
4074                },
4075                cx,
4076            );
4077        });
4078    }
4079
4080    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
4081        let Some(thread) = self.thread() else {
4082            return;
4083        };
4084        let action_log = thread.read(cx).action_log().clone();
4085        action_log.update(cx, |action_log, cx| action_log.keep_all_edits(cx));
4086    }
4087
4088    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
4089        let Some(thread) = self.thread() else {
4090            return;
4091        };
4092        let action_log = thread.read(cx).action_log().clone();
4093        action_log
4094            .update(cx, |action_log, cx| action_log.reject_all_edits(cx))
4095            .detach();
4096    }
4097
4098    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
4099        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
4100    }
4101
4102    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
4103        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
4104    }
4105
4106    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
4107        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
4108    }
4109
4110    fn authorize_pending_tool_call(
4111        &mut self,
4112        kind: acp::PermissionOptionKind,
4113        window: &mut Window,
4114        cx: &mut Context<Self>,
4115    ) -> Option<()> {
4116        let thread = self.thread()?.read(cx);
4117        let tool_call = thread.first_tool_awaiting_confirmation()?;
4118        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
4119            return None;
4120        };
4121        let option = options.iter().find(|o| o.kind == kind)?;
4122
4123        self.authorize_tool_call(
4124            tool_call.id.clone(),
4125            option.id.clone(),
4126            option.kind,
4127            window,
4128            cx,
4129        );
4130
4131        Some(())
4132    }
4133
4134    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4135        let thread = self.as_native_thread(cx)?.read(cx);
4136
4137        if thread
4138            .model()
4139            .is_none_or(|model| !model.supports_burn_mode())
4140        {
4141            return None;
4142        }
4143
4144        let active_completion_mode = thread.completion_mode();
4145        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
4146        let icon = if burn_mode_enabled {
4147            IconName::ZedBurnModeOn
4148        } else {
4149            IconName::ZedBurnMode
4150        };
4151
4152        Some(
4153            IconButton::new("burn-mode", icon)
4154                .icon_size(IconSize::Small)
4155                .icon_color(Color::Muted)
4156                .toggle_state(burn_mode_enabled)
4157                .selected_icon_color(Color::Error)
4158                .on_click(cx.listener(|this, _event, window, cx| {
4159                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4160                }))
4161                .tooltip(move |_window, cx| {
4162                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
4163                        .into()
4164                })
4165                .into_any_element(),
4166        )
4167    }
4168
4169    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
4170        let is_editor_empty = self.message_editor.read(cx).is_empty(cx);
4171        let is_generating = self
4172            .thread()
4173            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
4174
4175        if self.is_loading_contents {
4176            div()
4177                .id("loading-message-content")
4178                .px_1()
4179                .tooltip(Tooltip::text("Loading Added Context…"))
4180                .child(loading_contents_spinner(IconSize::default()))
4181                .into_any_element()
4182        } else if is_generating && is_editor_empty {
4183            IconButton::new("stop-generation", IconName::Stop)
4184                .icon_color(Color::Error)
4185                .style(ButtonStyle::Tinted(ui::TintColor::Error))
4186                .tooltip(move |window, cx| {
4187                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, window, cx)
4188                })
4189                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
4190                .into_any_element()
4191        } else {
4192            let send_btn_tooltip = if is_editor_empty && !is_generating {
4193                "Type to Send"
4194            } else if is_generating {
4195                "Stop and Send Message"
4196            } else {
4197                "Send"
4198            };
4199
4200            IconButton::new("send-message", IconName::Send)
4201                .style(ButtonStyle::Filled)
4202                .map(|this| {
4203                    if is_editor_empty && !is_generating {
4204                        this.disabled(true).icon_color(Color::Muted)
4205                    } else {
4206                        this.icon_color(Color::Accent)
4207                    }
4208                })
4209                .tooltip(move |window, cx| Tooltip::for_action(send_btn_tooltip, &Chat, window, cx))
4210                .on_click(cx.listener(|this, _, window, cx| {
4211                    this.send(window, cx);
4212                }))
4213                .into_any_element()
4214        }
4215    }
4216
4217    fn is_following(&self, cx: &App) -> bool {
4218        match self.thread().map(|thread| thread.read(cx).status()) {
4219            Some(ThreadStatus::Generating) => self
4220                .workspace
4221                .read_with(cx, |workspace, _| {
4222                    workspace.is_being_followed(CollaboratorId::Agent)
4223                })
4224                .unwrap_or(false),
4225            _ => self.should_be_following,
4226        }
4227    }
4228
4229    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4230        let following = self.is_following(cx);
4231
4232        self.should_be_following = !following;
4233        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
4234            self.workspace
4235                .update(cx, |workspace, cx| {
4236                    if following {
4237                        workspace.unfollow(CollaboratorId::Agent, window, cx);
4238                    } else {
4239                        workspace.follow(CollaboratorId::Agent, window, cx);
4240                    }
4241                })
4242                .ok();
4243        }
4244
4245        telemetry::event!("Follow Agent Selected", following = !following);
4246    }
4247
4248    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
4249        let following = self.is_following(cx);
4250
4251        let tooltip_label = if following {
4252            if self.agent.name() == "Zed Agent" {
4253                format!("Stop Following the {}", self.agent.name())
4254            } else {
4255                format!("Stop Following {}", self.agent.name())
4256            }
4257        } else {
4258            if self.agent.name() == "Zed Agent" {
4259                format!("Follow the {}", self.agent.name())
4260            } else {
4261                format!("Follow {}", self.agent.name())
4262            }
4263        };
4264
4265        IconButton::new("follow-agent", IconName::Crosshair)
4266            .icon_size(IconSize::Small)
4267            .icon_color(Color::Muted)
4268            .toggle_state(following)
4269            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
4270            .tooltip(move |window, cx| {
4271                if following {
4272                    Tooltip::for_action(tooltip_label.clone(), &Follow, window, cx)
4273                } else {
4274                    Tooltip::with_meta(
4275                        tooltip_label.clone(),
4276                        Some(&Follow),
4277                        "Track the agent's location as it reads and edits files.",
4278                        window,
4279                        cx,
4280                    )
4281                }
4282            })
4283            .on_click(cx.listener(move |this, _, window, cx| {
4284                this.toggle_following(window, cx);
4285            }))
4286    }
4287
4288    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
4289        let workspace = self.workspace.clone();
4290        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
4291            Self::open_link(text, &workspace, window, cx);
4292        })
4293    }
4294
4295    fn open_link(
4296        url: SharedString,
4297        workspace: &WeakEntity<Workspace>,
4298        window: &mut Window,
4299        cx: &mut App,
4300    ) {
4301        let Some(workspace) = workspace.upgrade() else {
4302            cx.open_url(&url);
4303            return;
4304        };
4305
4306        if let Some(mention) = MentionUri::parse(&url).log_err() {
4307            workspace.update(cx, |workspace, cx| match mention {
4308                MentionUri::File { abs_path } => {
4309                    let project = workspace.project();
4310                    let Some(path) =
4311                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
4312                    else {
4313                        return;
4314                    };
4315
4316                    workspace
4317                        .open_path(path, None, true, window, cx)
4318                        .detach_and_log_err(cx);
4319                }
4320                MentionUri::PastedImage => {}
4321                MentionUri::Directory { abs_path } => {
4322                    let project = workspace.project();
4323                    let Some(entry_id) = project.update(cx, |project, cx| {
4324                        let path = project.find_project_path(abs_path, cx)?;
4325                        project.entry_for_path(&path, cx).map(|entry| entry.id)
4326                    }) else {
4327                        return;
4328                    };
4329
4330                    project.update(cx, |_, cx| {
4331                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
4332                    });
4333                }
4334                MentionUri::Symbol {
4335                    abs_path: path,
4336                    line_range,
4337                    ..
4338                }
4339                | MentionUri::Selection {
4340                    abs_path: Some(path),
4341                    line_range,
4342                } => {
4343                    let project = workspace.project();
4344                    let Some(path) =
4345                        project.update(cx, |project, cx| project.find_project_path(path, cx))
4346                    else {
4347                        return;
4348                    };
4349
4350                    let item = workspace.open_path(path, None, true, window, cx);
4351                    window
4352                        .spawn(cx, async move |cx| {
4353                            let Some(editor) = item.await?.downcast::<Editor>() else {
4354                                return Ok(());
4355                            };
4356                            let range = Point::new(*line_range.start(), 0)
4357                                ..Point::new(*line_range.start(), 0);
4358                            editor
4359                                .update_in(cx, |editor, window, cx| {
4360                                    editor.change_selections(
4361                                        SelectionEffects::scroll(Autoscroll::center()),
4362                                        window,
4363                                        cx,
4364                                        |s| s.select_ranges(vec![range]),
4365                                    );
4366                                })
4367                                .ok();
4368                            anyhow::Ok(())
4369                        })
4370                        .detach_and_log_err(cx);
4371                }
4372                MentionUri::Selection { abs_path: None, .. } => {}
4373                MentionUri::Thread { id, name } => {
4374                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4375                        panel.update(cx, |panel, cx| {
4376                            panel.load_agent_thread(
4377                                DbThreadMetadata {
4378                                    id,
4379                                    title: name.into(),
4380                                    updated_at: Default::default(),
4381                                },
4382                                window,
4383                                cx,
4384                            )
4385                        });
4386                    }
4387                }
4388                MentionUri::TextThread { path, .. } => {
4389                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4390                        panel.update(cx, |panel, cx| {
4391                            panel
4392                                .open_saved_prompt_editor(path.as_path().into(), window, cx)
4393                                .detach_and_log_err(cx);
4394                        });
4395                    }
4396                }
4397                MentionUri::Rule { id, .. } => {
4398                    let PromptId::User { uuid } = id else {
4399                        return;
4400                    };
4401                    window.dispatch_action(
4402                        Box::new(OpenRulesLibrary {
4403                            prompt_to_select: Some(uuid.0),
4404                        }),
4405                        cx,
4406                    )
4407                }
4408                MentionUri::Fetch { url } => {
4409                    cx.open_url(url.as_str());
4410                }
4411            })
4412        } else {
4413            cx.open_url(&url);
4414        }
4415    }
4416
4417    fn open_tool_call_location(
4418        &self,
4419        entry_ix: usize,
4420        location_ix: usize,
4421        window: &mut Window,
4422        cx: &mut Context<Self>,
4423    ) -> Option<()> {
4424        let (tool_call_location, agent_location) = self
4425            .thread()?
4426            .read(cx)
4427            .entries()
4428            .get(entry_ix)?
4429            .location(location_ix)?;
4430
4431        let project_path = self
4432            .project
4433            .read(cx)
4434            .find_project_path(&tool_call_location.path, cx)?;
4435
4436        let open_task = self
4437            .workspace
4438            .update(cx, |workspace, cx| {
4439                workspace.open_path(project_path, None, true, window, cx)
4440            })
4441            .log_err()?;
4442        window
4443            .spawn(cx, async move |cx| {
4444                let item = open_task.await?;
4445
4446                let Some(active_editor) = item.downcast::<Editor>() else {
4447                    return anyhow::Ok(());
4448                };
4449
4450                active_editor.update_in(cx, |editor, window, cx| {
4451                    let multibuffer = editor.buffer().read(cx);
4452                    let buffer = multibuffer.as_singleton();
4453                    if agent_location.buffer.upgrade() == buffer {
4454                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
4455                        let anchor = editor::Anchor::in_buffer(
4456                            excerpt_id.unwrap(),
4457                            buffer.unwrap().read(cx).remote_id(),
4458                            agent_location.position,
4459                        );
4460                        editor.change_selections(Default::default(), window, cx, |selections| {
4461                            selections.select_anchor_ranges([anchor..anchor]);
4462                        })
4463                    } else {
4464                        let row = tool_call_location.line.unwrap_or_default();
4465                        editor.change_selections(Default::default(), window, cx, |selections| {
4466                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
4467                        })
4468                    }
4469                })?;
4470
4471                anyhow::Ok(())
4472            })
4473            .detach_and_log_err(cx);
4474
4475        None
4476    }
4477
4478    pub fn open_thread_as_markdown(
4479        &self,
4480        workspace: Entity<Workspace>,
4481        window: &mut Window,
4482        cx: &mut App,
4483    ) -> Task<Result<()>> {
4484        let markdown_language_task = workspace
4485            .read(cx)
4486            .app_state()
4487            .languages
4488            .language_for_name("Markdown");
4489
4490        let (thread_summary, markdown) = if let Some(thread) = self.thread() {
4491            let thread = thread.read(cx);
4492            (thread.title().to_string(), thread.to_markdown(cx))
4493        } else {
4494            return Task::ready(Ok(()));
4495        };
4496
4497        window.spawn(cx, async move |cx| {
4498            let markdown_language = markdown_language_task.await?;
4499
4500            workspace.update_in(cx, |workspace, window, cx| {
4501                let project = workspace.project().clone();
4502
4503                if !project.read(cx).is_local() {
4504                    bail!("failed to open active thread as markdown in remote project");
4505                }
4506
4507                let buffer = project.update(cx, |project, cx| {
4508                    project.create_local_buffer(&markdown, Some(markdown_language), true, cx)
4509                });
4510                let buffer = cx.new(|cx| {
4511                    MultiBuffer::singleton(buffer, cx).with_title(thread_summary.clone())
4512                });
4513
4514                workspace.add_item_to_active_pane(
4515                    Box::new(cx.new(|cx| {
4516                        let mut editor =
4517                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4518                        editor.set_breadcrumb_header(thread_summary);
4519                        editor
4520                    })),
4521                    None,
4522                    true,
4523                    window,
4524                    cx,
4525                );
4526
4527                anyhow::Ok(())
4528            })??;
4529            anyhow::Ok(())
4530        })
4531    }
4532
4533    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
4534        self.list_state.scroll_to(ListOffset::default());
4535        cx.notify();
4536    }
4537
4538    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
4539        if let Some(thread) = self.thread() {
4540            let entry_count = thread.read(cx).entries().len();
4541            self.list_state.reset(entry_count);
4542            cx.notify();
4543        }
4544    }
4545
4546    fn notify_with_sound(
4547        &mut self,
4548        caption: impl Into<SharedString>,
4549        icon: IconName,
4550        window: &mut Window,
4551        cx: &mut Context<Self>,
4552    ) {
4553        self.play_notification_sound(window, cx);
4554        self.show_notification(caption, icon, window, cx);
4555    }
4556
4557    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
4558        let settings = AgentSettings::get_global(cx);
4559        if settings.play_sound_when_agent_done && !window.is_window_active() {
4560            Audio::play_sound(Sound::AgentDone, cx);
4561        }
4562    }
4563
4564    fn show_notification(
4565        &mut self,
4566        caption: impl Into<SharedString>,
4567        icon: IconName,
4568        window: &mut Window,
4569        cx: &mut Context<Self>,
4570    ) {
4571        if window.is_window_active() || !self.notifications.is_empty() {
4572            return;
4573        }
4574
4575        // TODO: Change this once we have title summarization for external agents.
4576        let title = self.agent.name();
4577
4578        match AgentSettings::get_global(cx).notify_when_agent_waiting {
4579            NotifyWhenAgentWaiting::PrimaryScreen => {
4580                if let Some(primary) = cx.primary_display() {
4581                    self.pop_up(icon, caption.into(), title, window, primary, cx);
4582                }
4583            }
4584            NotifyWhenAgentWaiting::AllScreens => {
4585                let caption = caption.into();
4586                for screen in cx.displays() {
4587                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
4588                }
4589            }
4590            NotifyWhenAgentWaiting::Never => {
4591                // Don't show anything
4592            }
4593        }
4594    }
4595
4596    fn pop_up(
4597        &mut self,
4598        icon: IconName,
4599        caption: SharedString,
4600        title: SharedString,
4601        window: &mut Window,
4602        screen: Rc<dyn PlatformDisplay>,
4603        cx: &mut Context<Self>,
4604    ) {
4605        let options = AgentNotification::window_options(screen, cx);
4606
4607        let project_name = self.workspace.upgrade().and_then(|workspace| {
4608            workspace
4609                .read(cx)
4610                .project()
4611                .read(cx)
4612                .visible_worktrees(cx)
4613                .next()
4614                .map(|worktree| worktree.read(cx).root_name_str().to_string())
4615        });
4616
4617        if let Some(screen_window) = cx
4618            .open_window(options, |_, cx| {
4619                cx.new(|_| {
4620                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
4621                })
4622            })
4623            .log_err()
4624            && let Some(pop_up) = screen_window.entity(cx).log_err()
4625        {
4626            self.notification_subscriptions
4627                .entry(screen_window)
4628                .or_insert_with(Vec::new)
4629                .push(cx.subscribe_in(&pop_up, window, {
4630                    |this, _, event, window, cx| match event {
4631                        AgentNotificationEvent::Accepted => {
4632                            let handle = window.window_handle();
4633                            cx.activate(true);
4634
4635                            let workspace_handle = this.workspace.clone();
4636
4637                            // If there are multiple Zed windows, activate the correct one.
4638                            cx.defer(move |cx| {
4639                                handle
4640                                    .update(cx, |_view, window, _cx| {
4641                                        window.activate_window();
4642
4643                                        if let Some(workspace) = workspace_handle.upgrade() {
4644                                            workspace.update(_cx, |workspace, cx| {
4645                                                workspace.focus_panel::<AgentPanel>(window, cx);
4646                                            });
4647                                        }
4648                                    })
4649                                    .log_err();
4650                            });
4651
4652                            this.dismiss_notifications(cx);
4653                        }
4654                        AgentNotificationEvent::Dismissed => {
4655                            this.dismiss_notifications(cx);
4656                        }
4657                    }
4658                }));
4659
4660            self.notifications.push(screen_window);
4661
4662            // If the user manually refocuses the original window, dismiss the popup.
4663            self.notification_subscriptions
4664                .entry(screen_window)
4665                .or_insert_with(Vec::new)
4666                .push({
4667                    let pop_up_weak = pop_up.downgrade();
4668
4669                    cx.observe_window_activation(window, move |_, window, cx| {
4670                        if window.is_window_active()
4671                            && let Some(pop_up) = pop_up_weak.upgrade()
4672                        {
4673                            pop_up.update(cx, |_, cx| {
4674                                cx.emit(AgentNotificationEvent::Dismissed);
4675                            });
4676                        }
4677                    })
4678                });
4679        }
4680    }
4681
4682    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
4683        for window in self.notifications.drain(..) {
4684            window
4685                .update(cx, |_, window, _| {
4686                    window.remove_window();
4687                })
4688                .ok();
4689
4690            self.notification_subscriptions.remove(&window);
4691        }
4692    }
4693
4694    fn render_thread_controls(
4695        &self,
4696        thread: &Entity<AcpThread>,
4697        cx: &Context<Self>,
4698    ) -> impl IntoElement {
4699        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
4700        if is_generating {
4701            return h_flex().id("thread-controls-container").child(
4702                div()
4703                    .py_2()
4704                    .px(rems_from_px(22.))
4705                    .child(SpinnerLabel::new().size(LabelSize::Small)),
4706            );
4707        }
4708
4709        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
4710            .shape(ui::IconButtonShape::Square)
4711            .icon_size(IconSize::Small)
4712            .icon_color(Color::Ignored)
4713            .tooltip(Tooltip::text("Open Thread as Markdown"))
4714            .on_click(cx.listener(move |this, _, window, cx| {
4715                if let Some(workspace) = this.workspace.upgrade() {
4716                    this.open_thread_as_markdown(workspace, window, cx)
4717                        .detach_and_log_err(cx);
4718                }
4719            }));
4720
4721        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
4722            .shape(ui::IconButtonShape::Square)
4723            .icon_size(IconSize::Small)
4724            .icon_color(Color::Ignored)
4725            .tooltip(Tooltip::text("Scroll To Top"))
4726            .on_click(cx.listener(move |this, _, _, cx| {
4727                this.scroll_to_top(cx);
4728            }));
4729
4730        let mut container = h_flex()
4731            .id("thread-controls-container")
4732            .group("thread-controls-container")
4733            .w_full()
4734            .py_2()
4735            .px_5()
4736            .gap_px()
4737            .opacity(0.6)
4738            .hover(|style| style.opacity(1.))
4739            .flex_wrap()
4740            .justify_end();
4741
4742        if AgentSettings::get_global(cx).enable_feedback
4743            && self
4744                .thread()
4745                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
4746        {
4747            let feedback = self.thread_feedback.feedback;
4748
4749            container = container
4750                .child(
4751                    div().visible_on_hover("thread-controls-container").child(
4752                        Label::new(match feedback {
4753                            Some(ThreadFeedback::Positive) => "Thanks for your feedback!",
4754                            Some(ThreadFeedback::Negative) => {
4755                                "We appreciate your feedback and will use it to improve."
4756                            }
4757                            None => {
4758                                "Rating the thread sends all of your current conversation to the Zed team."
4759                            }
4760                        })
4761                        .color(Color::Muted)
4762                        .size(LabelSize::XSmall)
4763                        .truncate(),
4764                    ),
4765                )
4766                .child(
4767                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
4768                        .shape(ui::IconButtonShape::Square)
4769                        .icon_size(IconSize::Small)
4770                        .icon_color(match feedback {
4771                            Some(ThreadFeedback::Positive) => Color::Accent,
4772                            _ => Color::Ignored,
4773                        })
4774                        .tooltip(Tooltip::text("Helpful Response"))
4775                        .on_click(cx.listener(move |this, _, window, cx| {
4776                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
4777                        })),
4778                )
4779                .child(
4780                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
4781                        .shape(ui::IconButtonShape::Square)
4782                        .icon_size(IconSize::Small)
4783                        .icon_color(match feedback {
4784                            Some(ThreadFeedback::Negative) => Color::Accent,
4785                            _ => Color::Ignored,
4786                        })
4787                        .tooltip(Tooltip::text("Not Helpful"))
4788                        .on_click(cx.listener(move |this, _, window, cx| {
4789                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
4790                        })),
4791                );
4792        }
4793
4794        container.child(open_as_markdown).child(scroll_to_top)
4795    }
4796
4797    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
4798        h_flex()
4799            .key_context("AgentFeedbackMessageEditor")
4800            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
4801                this.thread_feedback.dismiss_comments();
4802                cx.notify();
4803            }))
4804            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
4805                this.submit_feedback_message(cx);
4806            }))
4807            .p_2()
4808            .mb_2()
4809            .mx_5()
4810            .gap_1()
4811            .rounded_md()
4812            .border_1()
4813            .border_color(cx.theme().colors().border)
4814            .bg(cx.theme().colors().editor_background)
4815            .child(div().w_full().child(editor))
4816            .child(
4817                h_flex()
4818                    .child(
4819                        IconButton::new("dismiss-feedback-message", IconName::Close)
4820                            .icon_color(Color::Error)
4821                            .icon_size(IconSize::XSmall)
4822                            .shape(ui::IconButtonShape::Square)
4823                            .on_click(cx.listener(move |this, _, _window, cx| {
4824                                this.thread_feedback.dismiss_comments();
4825                                cx.notify();
4826                            })),
4827                    )
4828                    .child(
4829                        IconButton::new("submit-feedback-message", IconName::Return)
4830                            .icon_size(IconSize::XSmall)
4831                            .shape(ui::IconButtonShape::Square)
4832                            .on_click(cx.listener(move |this, _, _window, cx| {
4833                                this.submit_feedback_message(cx);
4834                            })),
4835                    ),
4836            )
4837    }
4838
4839    fn handle_feedback_click(
4840        &mut self,
4841        feedback: ThreadFeedback,
4842        window: &mut Window,
4843        cx: &mut Context<Self>,
4844    ) {
4845        let Some(thread) = self.thread().cloned() else {
4846            return;
4847        };
4848
4849        self.thread_feedback.submit(thread, feedback, window, cx);
4850        cx.notify();
4851    }
4852
4853    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
4854        let Some(thread) = self.thread().cloned() else {
4855            return;
4856        };
4857
4858        self.thread_feedback.submit_comments(thread, cx);
4859        cx.notify();
4860    }
4861
4862    fn render_token_limit_callout(
4863        &self,
4864        line_height: Pixels,
4865        cx: &mut Context<Self>,
4866    ) -> Option<Callout> {
4867        let token_usage = self.thread()?.read(cx).token_usage()?;
4868        let ratio = token_usage.ratio();
4869
4870        let (severity, title) = match ratio {
4871            acp_thread::TokenUsageRatio::Normal => return None,
4872            acp_thread::TokenUsageRatio::Warning => {
4873                (Severity::Warning, "Thread reaching the token limit soon")
4874            }
4875            acp_thread::TokenUsageRatio::Exceeded => {
4876                (Severity::Error, "Thread reached the token limit")
4877            }
4878        };
4879
4880        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
4881            thread.read(cx).completion_mode() == CompletionMode::Normal
4882                && thread
4883                    .read(cx)
4884                    .model()
4885                    .is_some_and(|model| model.supports_burn_mode())
4886        });
4887
4888        let description = if burn_mode_available {
4889            "To continue, start a new thread from a summary or turn Burn Mode on."
4890        } else {
4891            "To continue, start a new thread from a summary."
4892        };
4893
4894        Some(
4895            Callout::new()
4896                .severity(severity)
4897                .line_height(line_height)
4898                .title(title)
4899                .description(description)
4900                .actions_slot(
4901                    h_flex()
4902                        .gap_0p5()
4903                        .child(
4904                            Button::new("start-new-thread", "Start New Thread")
4905                                .label_size(LabelSize::Small)
4906                                .on_click(cx.listener(|this, _, window, cx| {
4907                                    let Some(thread) = this.thread() else {
4908                                        return;
4909                                    };
4910                                    let session_id = thread.read(cx).session_id().clone();
4911                                    window.dispatch_action(
4912                                        crate::NewNativeAgentThreadFromSummary {
4913                                            from_session_id: session_id,
4914                                        }
4915                                        .boxed_clone(),
4916                                        cx,
4917                                    );
4918                                })),
4919                        )
4920                        .when(burn_mode_available, |this| {
4921                            this.child(
4922                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
4923                                    .icon_size(IconSize::XSmall)
4924                                    .on_click(cx.listener(|this, _event, window, cx| {
4925                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
4926                                    })),
4927                            )
4928                        }),
4929                ),
4930        )
4931    }
4932
4933    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
4934        if !self.is_using_zed_ai_models(cx) {
4935            return None;
4936        }
4937
4938        let user_store = self.project.read(cx).user_store().read(cx);
4939        if user_store.is_usage_based_billing_enabled() {
4940            return None;
4941        }
4942
4943        let plan = user_store
4944            .plan()
4945            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
4946
4947        let usage = user_store.model_request_usage()?;
4948
4949        Some(
4950            div()
4951                .child(UsageCallout::new(plan, usage))
4952                .line_height(line_height),
4953        )
4954    }
4955
4956    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4957        self.entry_view_state.update(cx, |entry_view_state, cx| {
4958            entry_view_state.agent_ui_font_size_changed(cx);
4959        });
4960    }
4961
4962    pub(crate) fn insert_dragged_files(
4963        &self,
4964        paths: Vec<project::ProjectPath>,
4965        added_worktrees: Vec<Entity<project::Worktree>>,
4966        window: &mut Window,
4967        cx: &mut Context<Self>,
4968    ) {
4969        self.message_editor.update(cx, |message_editor, cx| {
4970            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
4971        })
4972    }
4973
4974    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
4975        self.message_editor.update(cx, |message_editor, cx| {
4976            message_editor.insert_selections(window, cx);
4977        })
4978    }
4979
4980    fn render_thread_retry_status_callout(
4981        &self,
4982        _window: &mut Window,
4983        _cx: &mut Context<Self>,
4984    ) -> Option<Callout> {
4985        let state = self.thread_retry_status.as_ref()?;
4986
4987        let next_attempt_in = state
4988            .duration
4989            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
4990        if next_attempt_in.is_zero() {
4991            return None;
4992        }
4993
4994        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
4995
4996        let retry_message = if state.max_attempts == 1 {
4997            if next_attempt_in_secs == 1 {
4998                "Retrying. Next attempt in 1 second.".to_string()
4999            } else {
5000                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
5001            }
5002        } else if next_attempt_in_secs == 1 {
5003            format!(
5004                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
5005                state.attempt, state.max_attempts,
5006            )
5007        } else {
5008            format!(
5009                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
5010                state.attempt, state.max_attempts,
5011            )
5012        };
5013
5014        Some(
5015            Callout::new()
5016                .severity(Severity::Warning)
5017                .title(state.last_error.clone())
5018                .description(retry_message),
5019        )
5020    }
5021
5022    fn render_thread_error(&self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
5023        let content = match self.thread_error.as_ref()? {
5024            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), cx),
5025            ThreadError::Refusal => self.render_refusal_error(cx),
5026            ThreadError::AuthenticationRequired(error) => {
5027                self.render_authentication_required_error(error.clone(), cx)
5028            }
5029            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
5030            ThreadError::ModelRequestLimitReached(plan) => {
5031                self.render_model_request_limit_reached_error(*plan, cx)
5032            }
5033            ThreadError::ToolUseLimitReached => {
5034                self.render_tool_use_limit_reached_error(window, cx)?
5035            }
5036        };
5037
5038        Some(div().child(content))
5039    }
5040
5041    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
5042        v_flex().w_full().justify_end().child(
5043            h_flex()
5044                .p_2()
5045                .pr_3()
5046                .w_full()
5047                .gap_1p5()
5048                .border_t_1()
5049                .border_color(cx.theme().colors().border)
5050                .bg(cx.theme().colors().element_background)
5051                .child(
5052                    h_flex()
5053                        .flex_1()
5054                        .gap_1p5()
5055                        .child(
5056                            Icon::new(IconName::Download)
5057                                .color(Color::Accent)
5058                                .size(IconSize::Small),
5059                        )
5060                        .child(Label::new("New version available").size(LabelSize::Small)),
5061                )
5062                .child(
5063                    Button::new("update-button", format!("Update to v{}", version))
5064                        .label_size(LabelSize::Small)
5065                        .style(ButtonStyle::Tinted(TintColor::Accent))
5066                        .on_click(cx.listener(|this, _, window, cx| {
5067                            this.reset(window, cx);
5068                        })),
5069                ),
5070        )
5071    }
5072
5073    fn get_current_model_name(&self, cx: &App) -> SharedString {
5074        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
5075        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
5076        // This provides better clarity about what refused the request
5077        if self
5078            .agent
5079            .clone()
5080            .downcast::<agent2::NativeAgentServer>()
5081            .is_some()
5082        {
5083            // Native agent - use the model name
5084            self.model_selector
5085                .as_ref()
5086                .and_then(|selector| selector.read(cx).active_model_name(cx))
5087                .unwrap_or_else(|| SharedString::from("The model"))
5088        } else {
5089            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
5090            self.agent.name()
5091        }
5092    }
5093
5094    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
5095        let model_or_agent_name = self.get_current_model_name(cx);
5096        let refusal_message = format!(
5097            "{} 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.",
5098            model_or_agent_name
5099        );
5100
5101        Callout::new()
5102            .severity(Severity::Error)
5103            .title("Request Refused")
5104            .icon(IconName::XCircle)
5105            .description(refusal_message.clone())
5106            .actions_slot(self.create_copy_button(&refusal_message))
5107            .dismiss_action(self.dismiss_error_button(cx))
5108    }
5109
5110    fn render_any_thread_error(&self, error: SharedString, cx: &mut Context<'_, Self>) -> Callout {
5111        let can_resume = self
5112            .thread()
5113            .map_or(false, |thread| thread.read(cx).can_resume(cx));
5114
5115        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
5116            let thread = thread.read(cx);
5117            let supports_burn_mode = thread
5118                .model()
5119                .map_or(false, |model| model.supports_burn_mode());
5120            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
5121        });
5122
5123        Callout::new()
5124            .severity(Severity::Error)
5125            .title("Error")
5126            .icon(IconName::XCircle)
5127            .description(error.clone())
5128            .actions_slot(
5129                h_flex()
5130                    .gap_0p5()
5131                    .when(can_resume && can_enable_burn_mode, |this| {
5132                        this.child(
5133                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
5134                                .icon(IconName::ZedBurnMode)
5135                                .icon_position(IconPosition::Start)
5136                                .icon_size(IconSize::Small)
5137                                .label_size(LabelSize::Small)
5138                                .on_click(cx.listener(|this, _, window, cx| {
5139                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5140                                    this.resume_chat(cx);
5141                                })),
5142                        )
5143                    })
5144                    .when(can_resume, |this| {
5145                        this.child(
5146                            Button::new("retry", "Retry")
5147                                .icon(IconName::RotateCw)
5148                                .icon_position(IconPosition::Start)
5149                                .icon_size(IconSize::Small)
5150                                .label_size(LabelSize::Small)
5151                                .on_click(cx.listener(|this, _, _window, cx| {
5152                                    this.resume_chat(cx);
5153                                })),
5154                        )
5155                    })
5156                    .child(self.create_copy_button(error.to_string())),
5157            )
5158            .dismiss_action(self.dismiss_error_button(cx))
5159    }
5160
5161    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
5162        const ERROR_MESSAGE: &str =
5163            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
5164
5165        Callout::new()
5166            .severity(Severity::Error)
5167            .icon(IconName::XCircle)
5168            .title("Free Usage Exceeded")
5169            .description(ERROR_MESSAGE)
5170            .actions_slot(
5171                h_flex()
5172                    .gap_0p5()
5173                    .child(self.upgrade_button(cx))
5174                    .child(self.create_copy_button(ERROR_MESSAGE)),
5175            )
5176            .dismiss_action(self.dismiss_error_button(cx))
5177    }
5178
5179    fn render_authentication_required_error(
5180        &self,
5181        error: SharedString,
5182        cx: &mut Context<Self>,
5183    ) -> Callout {
5184        Callout::new()
5185            .severity(Severity::Error)
5186            .title("Authentication Required")
5187            .icon(IconName::XCircle)
5188            .description(error.clone())
5189            .actions_slot(
5190                h_flex()
5191                    .gap_0p5()
5192                    .child(self.authenticate_button(cx))
5193                    .child(self.create_copy_button(error)),
5194            )
5195            .dismiss_action(self.dismiss_error_button(cx))
5196    }
5197
5198    fn render_model_request_limit_reached_error(
5199        &self,
5200        plan: cloud_llm_client::Plan,
5201        cx: &mut Context<Self>,
5202    ) -> Callout {
5203        let error_message = match plan {
5204            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
5205                "Upgrade to usage-based billing for more prompts."
5206            }
5207            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
5208            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
5209            cloud_llm_client::Plan::V2(_) => "",
5210        };
5211
5212        Callout::new()
5213            .severity(Severity::Error)
5214            .title("Model Prompt Limit Reached")
5215            .icon(IconName::XCircle)
5216            .description(error_message)
5217            .actions_slot(
5218                h_flex()
5219                    .gap_0p5()
5220                    .child(self.upgrade_button(cx))
5221                    .child(self.create_copy_button(error_message)),
5222            )
5223            .dismiss_action(self.dismiss_error_button(cx))
5224    }
5225
5226    fn render_tool_use_limit_reached_error(
5227        &self,
5228        window: &mut Window,
5229        cx: &mut Context<Self>,
5230    ) -> Option<Callout> {
5231        let thread = self.as_native_thread(cx)?;
5232        let supports_burn_mode = thread
5233            .read(cx)
5234            .model()
5235            .is_some_and(|model| model.supports_burn_mode());
5236
5237        let focus_handle = self.focus_handle(cx);
5238
5239        Some(
5240            Callout::new()
5241                .icon(IconName::Info)
5242                .title("Consecutive tool use limit reached.")
5243                .actions_slot(
5244                    h_flex()
5245                        .gap_0p5()
5246                        .when(supports_burn_mode, |this| {
5247                            this.child(
5248                                Button::new("continue-burn-mode", "Continue with Burn Mode")
5249                                    .style(ButtonStyle::Filled)
5250                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5251                                    .layer(ElevationIndex::ModalSurface)
5252                                    .label_size(LabelSize::Small)
5253                                    .key_binding(
5254                                        KeyBinding::for_action_in(
5255                                            &ContinueWithBurnMode,
5256                                            &focus_handle,
5257                                            window,
5258                                            cx,
5259                                        )
5260                                        .map(|kb| kb.size(rems_from_px(10.))),
5261                                    )
5262                                    .tooltip(Tooltip::text(
5263                                        "Enable Burn Mode for unlimited tool use.",
5264                                    ))
5265                                    .on_click({
5266                                        cx.listener(move |this, _, _window, cx| {
5267                                            thread.update(cx, |thread, cx| {
5268                                                thread
5269                                                    .set_completion_mode(CompletionMode::Burn, cx);
5270                                            });
5271                                            this.resume_chat(cx);
5272                                        })
5273                                    }),
5274                            )
5275                        })
5276                        .child(
5277                            Button::new("continue-conversation", "Continue")
5278                                .layer(ElevationIndex::ModalSurface)
5279                                .label_size(LabelSize::Small)
5280                                .key_binding(
5281                                    KeyBinding::for_action_in(
5282                                        &ContinueThread,
5283                                        &focus_handle,
5284                                        window,
5285                                        cx,
5286                                    )
5287                                    .map(|kb| kb.size(rems_from_px(10.))),
5288                                )
5289                                .on_click(cx.listener(|this, _, _window, cx| {
5290                                    this.resume_chat(cx);
5291                                })),
5292                        ),
5293                ),
5294        )
5295    }
5296
5297    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
5298        let message = message.into();
5299
5300        IconButton::new("copy", IconName::Copy)
5301            .icon_size(IconSize::Small)
5302            .icon_color(Color::Muted)
5303            .tooltip(Tooltip::text("Copy Error Message"))
5304            .on_click(move |_, _, cx| {
5305                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
5306            })
5307    }
5308
5309    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5310        IconButton::new("dismiss", IconName::Close)
5311            .icon_size(IconSize::Small)
5312            .icon_color(Color::Muted)
5313            .tooltip(Tooltip::text("Dismiss Error"))
5314            .on_click(cx.listener({
5315                move |this, _, _, cx| {
5316                    this.clear_thread_error(cx);
5317                    cx.notify();
5318                }
5319            }))
5320    }
5321
5322    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5323        Button::new("authenticate", "Authenticate")
5324            .label_size(LabelSize::Small)
5325            .style(ButtonStyle::Filled)
5326            .on_click(cx.listener({
5327                move |this, _, window, cx| {
5328                    let agent = this.agent.clone();
5329                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
5330                        return;
5331                    };
5332
5333                    let connection = thread.read(cx).connection().clone();
5334                    let err = AuthRequired {
5335                        description: None,
5336                        provider_id: None,
5337                    };
5338                    this.clear_thread_error(cx);
5339                    let this = cx.weak_entity();
5340                    window.defer(cx, |window, cx| {
5341                        Self::handle_auth_required(this, err, agent, connection, window, cx);
5342                    })
5343                }
5344            }))
5345    }
5346
5347    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5348        let agent = self.agent.clone();
5349        let ThreadState::Ready { thread, .. } = &self.thread_state else {
5350            return;
5351        };
5352
5353        let connection = thread.read(cx).connection().clone();
5354        let err = AuthRequired {
5355            description: None,
5356            provider_id: None,
5357        };
5358        self.clear_thread_error(cx);
5359        let this = cx.weak_entity();
5360        window.defer(cx, |window, cx| {
5361            Self::handle_auth_required(this, err, agent, connection, window, cx);
5362        })
5363    }
5364
5365    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5366        Button::new("upgrade", "Upgrade")
5367            .label_size(LabelSize::Small)
5368            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
5369            .on_click(cx.listener({
5370                move |this, _, _, cx| {
5371                    this.clear_thread_error(cx);
5372                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
5373                }
5374            }))
5375    }
5376
5377    pub fn delete_history_entry(&mut self, entry: HistoryEntry, cx: &mut Context<Self>) {
5378        let task = match entry {
5379            HistoryEntry::AcpThread(thread) => self.history_store.update(cx, |history, cx| {
5380                history.delete_thread(thread.id.clone(), cx)
5381            }),
5382            HistoryEntry::TextThread(context) => self.history_store.update(cx, |history, cx| {
5383                history.delete_text_thread(context.path.clone(), cx)
5384            }),
5385        };
5386        task.detach_and_log_err(cx);
5387    }
5388}
5389
5390fn loading_contents_spinner(size: IconSize) -> AnyElement {
5391    Icon::new(IconName::LoadCircle)
5392        .size(size)
5393        .color(Color::Accent)
5394        .with_rotate_animation(3)
5395        .into_any_element()
5396}
5397
5398impl Focusable for AcpThreadView {
5399    fn focus_handle(&self, cx: &App) -> FocusHandle {
5400        match self.thread_state {
5401            ThreadState::Loading { .. } | ThreadState::Ready { .. } => {
5402                self.message_editor.focus_handle(cx)
5403            }
5404            ThreadState::LoadError(_) | ThreadState::Unauthenticated { .. } => {
5405                self.focus_handle.clone()
5406            }
5407        }
5408    }
5409}
5410
5411impl Render for AcpThreadView {
5412    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
5413        let has_messages = self.list_state.item_count() > 0;
5414        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
5415
5416        v_flex()
5417            .size_full()
5418            .key_context("AcpThread")
5419            .on_action(cx.listener(Self::open_agent_diff))
5420            .on_action(cx.listener(Self::toggle_burn_mode))
5421            .on_action(cx.listener(Self::keep_all))
5422            .on_action(cx.listener(Self::reject_all))
5423            .on_action(cx.listener(Self::allow_always))
5424            .on_action(cx.listener(Self::allow_once))
5425            .on_action(cx.listener(Self::reject_once))
5426            .track_focus(&self.focus_handle)
5427            .bg(cx.theme().colors().panel_background)
5428            .child(match &self.thread_state {
5429                ThreadState::Unauthenticated {
5430                    connection,
5431                    description,
5432                    configuration_view,
5433                    pending_auth_method,
5434                    ..
5435                } => self
5436                    .render_auth_required_state(
5437                        connection,
5438                        description.as_ref(),
5439                        configuration_view.as_ref(),
5440                        pending_auth_method.as_ref(),
5441                        window,
5442                        cx,
5443                    )
5444                    .into_any(),
5445                ThreadState::Loading { .. } => v_flex()
5446                    .flex_1()
5447                    .child(self.render_recent_history(window, cx))
5448                    .into_any(),
5449                ThreadState::LoadError(e) => v_flex()
5450                    .flex_1()
5451                    .size_full()
5452                    .items_center()
5453                    .justify_end()
5454                    .child(self.render_load_error(e, window, cx))
5455                    .into_any(),
5456                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
5457                    if has_messages {
5458                        this.child(
5459                            list(
5460                                self.list_state.clone(),
5461                                cx.processor(|this, index: usize, window, cx| {
5462                                    let Some((entry, len)) = this.thread().and_then(|thread| {
5463                                        let entries = &thread.read(cx).entries();
5464                                        Some((entries.get(index)?, entries.len()))
5465                                    }) else {
5466                                        return Empty.into_any();
5467                                    };
5468                                    this.render_entry(index, len, entry, window, cx)
5469                                }),
5470                            )
5471                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
5472                            .flex_grow()
5473                            .into_any(),
5474                        )
5475                        .vertical_scrollbar_for(self.list_state.clone(), window, cx)
5476                        .into_any()
5477                    } else {
5478                        this.child(self.render_recent_history(window, cx))
5479                            .into_any()
5480                    }
5481                }),
5482            })
5483            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
5484            // above so that the scrollbar doesn't render behind it. The current setup allows
5485            // the scrollbar to stop exactly at the activity bar start.
5486            .when(has_messages, |this| match &self.thread_state {
5487                ThreadState::Ready { thread, .. } => {
5488                    this.children(self.render_activity_bar(thread, window, cx))
5489                }
5490                _ => this,
5491            })
5492            .children(self.render_thread_retry_status_callout(window, cx))
5493            .children(self.render_thread_error(window, cx))
5494            .when_some(
5495                self.new_server_version_available.as_ref().filter(|_| {
5496                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
5497                }),
5498                |this, version| this.child(self.render_new_version_callout(&version, cx)),
5499            )
5500            .children(
5501                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
5502                    Some(usage_callout.into_any_element())
5503                } else {
5504                    self.render_token_limit_callout(line_height, cx)
5505                        .map(|token_limit_callout| token_limit_callout.into_any_element())
5506                },
5507            )
5508            .child(self.render_message_editor(window, cx))
5509    }
5510}
5511
5512fn default_markdown_style(
5513    buffer_font: bool,
5514    muted_text: bool,
5515    window: &Window,
5516    cx: &App,
5517) -> MarkdownStyle {
5518    let theme_settings = ThemeSettings::get_global(cx);
5519    let colors = cx.theme().colors();
5520
5521    let buffer_font_size = TextSize::Small.rems(cx);
5522
5523    let mut text_style = window.text_style();
5524    let line_height = buffer_font_size * 1.75;
5525
5526    let font_family = if buffer_font {
5527        theme_settings.buffer_font.family.clone()
5528    } else {
5529        theme_settings.ui_font.family.clone()
5530    };
5531
5532    let font_size = if buffer_font {
5533        TextSize::Small.rems(cx)
5534    } else {
5535        TextSize::Default.rems(cx)
5536    };
5537
5538    let text_color = if muted_text {
5539        colors.text_muted
5540    } else {
5541        colors.text
5542    };
5543
5544    text_style.refine(&TextStyleRefinement {
5545        font_family: Some(font_family),
5546        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
5547        font_features: Some(theme_settings.ui_font.features.clone()),
5548        font_size: Some(font_size.into()),
5549        line_height: Some(line_height.into()),
5550        color: Some(text_color),
5551        ..Default::default()
5552    });
5553
5554    MarkdownStyle {
5555        base_text_style: text_style.clone(),
5556        syntax: cx.theme().syntax().clone(),
5557        selection_background_color: colors.element_selection_background,
5558        code_block_overflow_x_scroll: true,
5559        table_overflow_x_scroll: true,
5560        heading_level_styles: Some(HeadingLevelStyles {
5561            h1: Some(TextStyleRefinement {
5562                font_size: Some(rems(1.15).into()),
5563                ..Default::default()
5564            }),
5565            h2: Some(TextStyleRefinement {
5566                font_size: Some(rems(1.1).into()),
5567                ..Default::default()
5568            }),
5569            h3: Some(TextStyleRefinement {
5570                font_size: Some(rems(1.05).into()),
5571                ..Default::default()
5572            }),
5573            h4: Some(TextStyleRefinement {
5574                font_size: Some(rems(1.).into()),
5575                ..Default::default()
5576            }),
5577            h5: Some(TextStyleRefinement {
5578                font_size: Some(rems(0.95).into()),
5579                ..Default::default()
5580            }),
5581            h6: Some(TextStyleRefinement {
5582                font_size: Some(rems(0.875).into()),
5583                ..Default::default()
5584            }),
5585        }),
5586        code_block: StyleRefinement {
5587            padding: EdgesRefinement {
5588                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5589                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5590                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5591                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
5592            },
5593            margin: EdgesRefinement {
5594                top: Some(Length::Definite(px(8.).into())),
5595                left: Some(Length::Definite(px(0.).into())),
5596                right: Some(Length::Definite(px(0.).into())),
5597                bottom: Some(Length::Definite(px(12.).into())),
5598            },
5599            border_style: Some(BorderStyle::Solid),
5600            border_widths: EdgesRefinement {
5601                top: Some(AbsoluteLength::Pixels(px(1.))),
5602                left: Some(AbsoluteLength::Pixels(px(1.))),
5603                right: Some(AbsoluteLength::Pixels(px(1.))),
5604                bottom: Some(AbsoluteLength::Pixels(px(1.))),
5605            },
5606            border_color: Some(colors.border_variant),
5607            background: Some(colors.editor_background.into()),
5608            text: Some(TextStyleRefinement {
5609                font_family: Some(theme_settings.buffer_font.family.clone()),
5610                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5611                font_features: Some(theme_settings.buffer_font.features.clone()),
5612                font_size: Some(buffer_font_size.into()),
5613                ..Default::default()
5614            }),
5615            ..Default::default()
5616        },
5617        inline_code: TextStyleRefinement {
5618            font_family: Some(theme_settings.buffer_font.family.clone()),
5619            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
5620            font_features: Some(theme_settings.buffer_font.features.clone()),
5621            font_size: Some(buffer_font_size.into()),
5622            background_color: Some(colors.editor_foreground.opacity(0.08)),
5623            ..Default::default()
5624        },
5625        link: TextStyleRefinement {
5626            background_color: Some(colors.editor_foreground.opacity(0.025)),
5627            underline: Some(UnderlineStyle {
5628                color: Some(colors.text_accent.opacity(0.5)),
5629                thickness: px(1.),
5630                ..Default::default()
5631            }),
5632            ..Default::default()
5633        },
5634        ..Default::default()
5635    }
5636}
5637
5638fn plan_label_markdown_style(
5639    status: &acp::PlanEntryStatus,
5640    window: &Window,
5641    cx: &App,
5642) -> MarkdownStyle {
5643    let default_md_style = default_markdown_style(false, false, window, cx);
5644
5645    MarkdownStyle {
5646        base_text_style: TextStyle {
5647            color: cx.theme().colors().text_muted,
5648            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
5649                Some(gpui::StrikethroughStyle {
5650                    thickness: px(1.),
5651                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
5652                })
5653            } else {
5654                None
5655            },
5656            ..default_md_style.base_text_style
5657        },
5658        ..default_md_style
5659    }
5660}
5661
5662fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
5663    let default_md_style = default_markdown_style(true, false, window, cx);
5664
5665    MarkdownStyle {
5666        base_text_style: TextStyle {
5667            ..default_md_style.base_text_style
5668        },
5669        selection_background_color: cx.theme().colors().element_selection_background,
5670        ..Default::default()
5671    }
5672}
5673
5674#[cfg(test)]
5675pub(crate) mod tests {
5676    use acp_thread::StubAgentConnection;
5677    use agent_client_protocol::SessionId;
5678    use assistant_context::ContextStore;
5679    use editor::EditorSettings;
5680    use fs::FakeFs;
5681    use gpui::{EventEmitter, SemanticVersion, TestAppContext, VisualTestContext};
5682    use project::Project;
5683    use serde_json::json;
5684    use settings::SettingsStore;
5685    use std::any::Any;
5686    use std::path::Path;
5687    use workspace::Item;
5688
5689    use super::*;
5690
5691    #[gpui::test]
5692    async fn test_drop(cx: &mut TestAppContext) {
5693        init_test(cx);
5694
5695        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5696        let weak_view = thread_view.downgrade();
5697        drop(thread_view);
5698        assert!(!weak_view.is_upgradable());
5699    }
5700
5701    #[gpui::test]
5702    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
5703        init_test(cx);
5704
5705        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
5706
5707        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5708        message_editor.update_in(cx, |editor, window, cx| {
5709            editor.set_text("Hello", window, cx);
5710        });
5711
5712        cx.deactivate_window();
5713
5714        thread_view.update_in(cx, |thread_view, window, cx| {
5715            thread_view.send(window, cx);
5716        });
5717
5718        cx.run_until_parked();
5719
5720        assert!(
5721            cx.windows()
5722                .iter()
5723                .any(|window| window.downcast::<AgentNotification>().is_some())
5724        );
5725    }
5726
5727    #[gpui::test]
5728    async fn test_notification_for_error(cx: &mut TestAppContext) {
5729        init_test(cx);
5730
5731        let (thread_view, cx) =
5732            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
5733
5734        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5735        message_editor.update_in(cx, |editor, window, cx| {
5736            editor.set_text("Hello", window, cx);
5737        });
5738
5739        cx.deactivate_window();
5740
5741        thread_view.update_in(cx, |thread_view, window, cx| {
5742            thread_view.send(window, cx);
5743        });
5744
5745        cx.run_until_parked();
5746
5747        assert!(
5748            cx.windows()
5749                .iter()
5750                .any(|window| window.downcast::<AgentNotification>().is_some())
5751        );
5752    }
5753
5754    #[gpui::test]
5755    async fn test_refusal_handling(cx: &mut TestAppContext) {
5756        init_test(cx);
5757
5758        let (thread_view, cx) =
5759            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), 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("Do something harmful", window, cx);
5764        });
5765
5766        thread_view.update_in(cx, |thread_view, window, cx| {
5767            thread_view.send(window, cx);
5768        });
5769
5770        cx.run_until_parked();
5771
5772        // Check that the refusal error is set
5773        thread_view.read_with(cx, |thread_view, _cx| {
5774            assert!(
5775                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
5776                "Expected refusal error to be set"
5777            );
5778        });
5779    }
5780
5781    #[gpui::test]
5782    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
5783        init_test(cx);
5784
5785        let tool_call_id = acp::ToolCallId("1".into());
5786        let tool_call = acp::ToolCall {
5787            id: tool_call_id.clone(),
5788            title: "Label".into(),
5789            kind: acp::ToolKind::Edit,
5790            status: acp::ToolCallStatus::Pending,
5791            content: vec!["hi".into()],
5792            locations: vec![],
5793            raw_input: None,
5794            raw_output: None,
5795            meta: None,
5796        };
5797        let connection =
5798            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
5799                tool_call_id,
5800                vec![acp::PermissionOption {
5801                    id: acp::PermissionOptionId("1".into()),
5802                    name: "Allow".into(),
5803                    kind: acp::PermissionOptionKind::AllowOnce,
5804                    meta: None,
5805                }],
5806            )]));
5807
5808        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
5809
5810        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
5811
5812        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
5813        message_editor.update_in(cx, |editor, window, cx| {
5814            editor.set_text("Hello", window, cx);
5815        });
5816
5817        cx.deactivate_window();
5818
5819        thread_view.update_in(cx, |thread_view, window, cx| {
5820            thread_view.send(window, cx);
5821        });
5822
5823        cx.run_until_parked();
5824
5825        assert!(
5826            cx.windows()
5827                .iter()
5828                .any(|window| window.downcast::<AgentNotification>().is_some())
5829        );
5830    }
5831
5832    async fn setup_thread_view(
5833        agent: impl AgentServer + 'static,
5834        cx: &mut TestAppContext,
5835    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
5836        let fs = FakeFs::new(cx.executor());
5837        let project = Project::test(fs, [], cx).await;
5838        let (workspace, cx) =
5839            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
5840
5841        let context_store =
5842            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
5843        let history_store =
5844            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
5845
5846        let thread_view = cx.update(|window, cx| {
5847            cx.new(|cx| {
5848                AcpThreadView::new(
5849                    Rc::new(agent),
5850                    None,
5851                    None,
5852                    workspace.downgrade(),
5853                    project,
5854                    history_store,
5855                    None,
5856                    window,
5857                    cx,
5858                )
5859            })
5860        });
5861        cx.run_until_parked();
5862        (thread_view, cx)
5863    }
5864
5865    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
5866        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
5867
5868        workspace
5869            .update_in(cx, |workspace, window, cx| {
5870                workspace.add_item_to_active_pane(
5871                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
5872                    None,
5873                    true,
5874                    window,
5875                    cx,
5876                );
5877            })
5878            .unwrap();
5879    }
5880
5881    struct ThreadViewItem(Entity<AcpThreadView>);
5882
5883    impl Item for ThreadViewItem {
5884        type Event = ();
5885
5886        fn include_in_nav_history() -> bool {
5887            false
5888        }
5889
5890        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
5891            "Test".into()
5892        }
5893    }
5894
5895    impl EventEmitter<()> for ThreadViewItem {}
5896
5897    impl Focusable for ThreadViewItem {
5898        fn focus_handle(&self, cx: &App) -> FocusHandle {
5899            self.0.read(cx).focus_handle(cx)
5900        }
5901    }
5902
5903    impl Render for ThreadViewItem {
5904        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
5905            self.0.clone().into_any_element()
5906        }
5907    }
5908
5909    struct StubAgentServer<C> {
5910        connection: C,
5911    }
5912
5913    impl<C> StubAgentServer<C> {
5914        fn new(connection: C) -> Self {
5915            Self { connection }
5916        }
5917    }
5918
5919    impl StubAgentServer<StubAgentConnection> {
5920        fn default_response() -> Self {
5921            let conn = StubAgentConnection::new();
5922            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
5923                content: "Default response".into(),
5924            }]);
5925            Self::new(conn)
5926        }
5927    }
5928
5929    impl<C> AgentServer for StubAgentServer<C>
5930    where
5931        C: 'static + AgentConnection + Send + Clone,
5932    {
5933        fn telemetry_id(&self) -> &'static str {
5934            "test"
5935        }
5936
5937        fn logo(&self) -> ui::IconName {
5938            ui::IconName::Ai
5939        }
5940
5941        fn name(&self) -> SharedString {
5942            "Test".into()
5943        }
5944
5945        fn connect(
5946            &self,
5947            _root_dir: Option<&Path>,
5948            _delegate: AgentServerDelegate,
5949            _cx: &mut App,
5950        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
5951            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
5952        }
5953
5954        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
5955            self
5956        }
5957    }
5958
5959    #[derive(Clone)]
5960    struct SaboteurAgentConnection;
5961
5962    impl AgentConnection for SaboteurAgentConnection {
5963        fn new_thread(
5964            self: Rc<Self>,
5965            project: Entity<Project>,
5966            _cwd: &Path,
5967            cx: &mut gpui::App,
5968        ) -> Task<gpui::Result<Entity<AcpThread>>> {
5969            Task::ready(Ok(cx.new(|cx| {
5970                let action_log = cx.new(|_| ActionLog::new(project.clone()));
5971                AcpThread::new(
5972                    "SaboteurAgentConnection",
5973                    self,
5974                    project,
5975                    action_log,
5976                    SessionId("test".into()),
5977                    watch::Receiver::constant(acp::PromptCapabilities {
5978                        image: true,
5979                        audio: true,
5980                        embedded_context: true,
5981                        meta: None,
5982                    }),
5983                    cx,
5984                )
5985            })))
5986        }
5987
5988        fn auth_methods(&self) -> &[acp::AuthMethod] {
5989            &[]
5990        }
5991
5992        fn authenticate(
5993            &self,
5994            _method_id: acp::AuthMethodId,
5995            _cx: &mut App,
5996        ) -> Task<gpui::Result<()>> {
5997            unimplemented!()
5998        }
5999
6000        fn prompt(
6001            &self,
6002            _id: Option<acp_thread::UserMessageId>,
6003            _params: acp::PromptRequest,
6004            _cx: &mut App,
6005        ) -> Task<gpui::Result<acp::PromptResponse>> {
6006            Task::ready(Err(anyhow::anyhow!("Error prompting")))
6007        }
6008
6009        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6010            unimplemented!()
6011        }
6012
6013        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6014            self
6015        }
6016    }
6017
6018    /// Simulates a model which always returns a refusal response
6019    #[derive(Clone)]
6020    struct RefusalAgentConnection;
6021
6022    impl AgentConnection for RefusalAgentConnection {
6023        fn new_thread(
6024            self: Rc<Self>,
6025            project: Entity<Project>,
6026            _cwd: &Path,
6027            cx: &mut gpui::App,
6028        ) -> Task<gpui::Result<Entity<AcpThread>>> {
6029            Task::ready(Ok(cx.new(|cx| {
6030                let action_log = cx.new(|_| ActionLog::new(project.clone()));
6031                AcpThread::new(
6032                    "RefusalAgentConnection",
6033                    self,
6034                    project,
6035                    action_log,
6036                    SessionId("test".into()),
6037                    watch::Receiver::constant(acp::PromptCapabilities {
6038                        image: true,
6039                        audio: true,
6040                        embedded_context: true,
6041                        meta: None,
6042                    }),
6043                    cx,
6044                )
6045            })))
6046        }
6047
6048        fn auth_methods(&self) -> &[acp::AuthMethod] {
6049            &[]
6050        }
6051
6052        fn authenticate(
6053            &self,
6054            _method_id: acp::AuthMethodId,
6055            _cx: &mut App,
6056        ) -> Task<gpui::Result<()>> {
6057            unimplemented!()
6058        }
6059
6060        fn prompt(
6061            &self,
6062            _id: Option<acp_thread::UserMessageId>,
6063            _params: acp::PromptRequest,
6064            _cx: &mut App,
6065        ) -> Task<gpui::Result<acp::PromptResponse>> {
6066            Task::ready(Ok(acp::PromptResponse {
6067                stop_reason: acp::StopReason::Refusal,
6068                meta: None,
6069            }))
6070        }
6071
6072        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
6073            unimplemented!()
6074        }
6075
6076        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
6077            self
6078        }
6079    }
6080
6081    pub(crate) fn init_test(cx: &mut TestAppContext) {
6082        cx.update(|cx| {
6083            let settings_store = SettingsStore::test(cx);
6084            cx.set_global(settings_store);
6085            language::init(cx);
6086            Project::init_settings(cx);
6087            AgentSettings::register(cx);
6088            workspace::init_settings(cx);
6089            theme::init(theme::LoadThemes::JustBase, cx);
6090            release_channel::init(SemanticVersion::default(), cx);
6091            EditorSettings::register(cx);
6092            prompt_store::init(cx)
6093        });
6094    }
6095
6096    #[gpui::test]
6097    async fn test_rewind_views(cx: &mut TestAppContext) {
6098        init_test(cx);
6099
6100        let fs = FakeFs::new(cx.executor());
6101        fs.insert_tree(
6102            "/project",
6103            json!({
6104                "test1.txt": "old content 1",
6105                "test2.txt": "old content 2"
6106            }),
6107        )
6108        .await;
6109        let project = Project::test(fs, [Path::new("/project")], cx).await;
6110        let (workspace, cx) =
6111            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
6112
6113        let context_store =
6114            cx.update(|_window, cx| cx.new(|cx| ContextStore::fake(project.clone(), cx)));
6115        let history_store =
6116            cx.update(|_window, cx| cx.new(|cx| HistoryStore::new(context_store, cx)));
6117
6118        let connection = Rc::new(StubAgentConnection::new());
6119        let thread_view = cx.update(|window, cx| {
6120            cx.new(|cx| {
6121                AcpThreadView::new(
6122                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
6123                    None,
6124                    None,
6125                    workspace.downgrade(),
6126                    project.clone(),
6127                    history_store.clone(),
6128                    None,
6129                    window,
6130                    cx,
6131                )
6132            })
6133        });
6134
6135        cx.run_until_parked();
6136
6137        let thread = thread_view
6138            .read_with(cx, |view, _| view.thread().cloned())
6139            .unwrap();
6140
6141        // First user message
6142        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6143            id: acp::ToolCallId("tool1".into()),
6144            title: "Edit file 1".into(),
6145            kind: acp::ToolKind::Edit,
6146            status: acp::ToolCallStatus::Completed,
6147            content: vec![acp::ToolCallContent::Diff {
6148                diff: acp::Diff {
6149                    path: "/project/test1.txt".into(),
6150                    old_text: Some("old content 1".into()),
6151                    new_text: "new content 1".into(),
6152                    meta: None,
6153                },
6154            }],
6155            locations: vec![],
6156            raw_input: None,
6157            raw_output: None,
6158            meta: None,
6159        })]);
6160
6161        thread
6162            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
6163            .await
6164            .unwrap();
6165        cx.run_until_parked();
6166
6167        thread.read_with(cx, |thread, _| {
6168            assert_eq!(thread.entries().len(), 2);
6169        });
6170
6171        thread_view.read_with(cx, |view, cx| {
6172            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6173                assert!(
6174                    entry_view_state
6175                        .entry(0)
6176                        .unwrap()
6177                        .message_editor()
6178                        .is_some()
6179                );
6180                assert!(entry_view_state.entry(1).unwrap().has_content());
6181            });
6182        });
6183
6184        // Second user message
6185        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(acp::ToolCall {
6186            id: acp::ToolCallId("tool2".into()),
6187            title: "Edit file 2".into(),
6188            kind: acp::ToolKind::Edit,
6189            status: acp::ToolCallStatus::Completed,
6190            content: vec![acp::ToolCallContent::Diff {
6191                diff: acp::Diff {
6192                    path: "/project/test2.txt".into(),
6193                    old_text: Some("old content 2".into()),
6194                    new_text: "new content 2".into(),
6195                    meta: None,
6196                },
6197            }],
6198            locations: vec![],
6199            raw_input: None,
6200            raw_output: None,
6201            meta: None,
6202        })]);
6203
6204        thread
6205            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
6206            .await
6207            .unwrap();
6208        cx.run_until_parked();
6209
6210        let second_user_message_id = thread.read_with(cx, |thread, _| {
6211            assert_eq!(thread.entries().len(), 4);
6212            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
6213                panic!();
6214            };
6215            user_message.id.clone().unwrap()
6216        });
6217
6218        thread_view.read_with(cx, |view, cx| {
6219            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6220                assert!(
6221                    entry_view_state
6222                        .entry(0)
6223                        .unwrap()
6224                        .message_editor()
6225                        .is_some()
6226                );
6227                assert!(entry_view_state.entry(1).unwrap().has_content());
6228                assert!(
6229                    entry_view_state
6230                        .entry(2)
6231                        .unwrap()
6232                        .message_editor()
6233                        .is_some()
6234                );
6235                assert!(entry_view_state.entry(3).unwrap().has_content());
6236            });
6237        });
6238
6239        // Rewind to first message
6240        thread
6241            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
6242            .await
6243            .unwrap();
6244
6245        cx.run_until_parked();
6246
6247        thread.read_with(cx, |thread, _| {
6248            assert_eq!(thread.entries().len(), 2);
6249        });
6250
6251        thread_view.read_with(cx, |view, cx| {
6252            view.entry_view_state.read_with(cx, |entry_view_state, _| {
6253                assert!(
6254                    entry_view_state
6255                        .entry(0)
6256                        .unwrap()
6257                        .message_editor()
6258                        .is_some()
6259                );
6260                assert!(entry_view_state.entry(1).unwrap().has_content());
6261
6262                // Old views should be dropped
6263                assert!(entry_view_state.entry(2).is_none());
6264                assert!(entry_view_state.entry(3).is_none());
6265            });
6266        });
6267    }
6268
6269    #[gpui::test]
6270    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
6271        init_test(cx);
6272
6273        let connection = StubAgentConnection::new();
6274
6275        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6276            content: acp::ContentBlock::Text(acp::TextContent {
6277                text: "Response".into(),
6278                annotations: None,
6279                meta: None,
6280            }),
6281        }]);
6282
6283        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6284        add_to_workspace(thread_view.clone(), cx);
6285
6286        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6287        message_editor.update_in(cx, |editor, window, cx| {
6288            editor.set_text("Original message to edit", window, cx);
6289        });
6290        thread_view.update_in(cx, |thread_view, window, cx| {
6291            thread_view.send(window, cx);
6292        });
6293
6294        cx.run_until_parked();
6295
6296        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6297            assert_eq!(view.editing_message, None);
6298
6299            view.entry_view_state
6300                .read(cx)
6301                .entry(0)
6302                .unwrap()
6303                .message_editor()
6304                .unwrap()
6305                .clone()
6306        });
6307
6308        // Focus
6309        cx.focus(&user_message_editor);
6310        thread_view.read_with(cx, |view, _cx| {
6311            assert_eq!(view.editing_message, Some(0));
6312        });
6313
6314        // Edit
6315        user_message_editor.update_in(cx, |editor, window, cx| {
6316            editor.set_text("Edited message content", window, cx);
6317        });
6318
6319        // Cancel
6320        user_message_editor.update_in(cx, |_editor, window, cx| {
6321            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
6322        });
6323
6324        thread_view.read_with(cx, |view, _cx| {
6325            assert_eq!(view.editing_message, None);
6326        });
6327
6328        user_message_editor.read_with(cx, |editor, cx| {
6329            assert_eq!(editor.text(cx), "Original message to edit");
6330        });
6331    }
6332
6333    #[gpui::test]
6334    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
6335        init_test(cx);
6336
6337        let connection = StubAgentConnection::new();
6338
6339        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
6340        add_to_workspace(thread_view.clone(), cx);
6341
6342        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6343        let mut events = cx.events(&message_editor);
6344        message_editor.update_in(cx, |editor, window, cx| {
6345            editor.set_text("", window, cx);
6346        });
6347
6348        message_editor.update_in(cx, |_editor, window, cx| {
6349            window.dispatch_action(Box::new(Chat), cx);
6350        });
6351        cx.run_until_parked();
6352        // We shouldn't have received any messages
6353        assert!(matches!(
6354            events.try_next(),
6355            Err(futures::channel::mpsc::TryRecvError { .. })
6356        ));
6357    }
6358
6359    #[gpui::test]
6360    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
6361        init_test(cx);
6362
6363        let connection = StubAgentConnection::new();
6364
6365        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6366            content: acp::ContentBlock::Text(acp::TextContent {
6367                text: "Response".into(),
6368                annotations: None,
6369                meta: None,
6370            }),
6371        }]);
6372
6373        let (thread_view, cx) =
6374            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6375        add_to_workspace(thread_view.clone(), cx);
6376
6377        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6378        message_editor.update_in(cx, |editor, window, cx| {
6379            editor.set_text("Original message to edit", window, cx);
6380        });
6381        thread_view.update_in(cx, |thread_view, window, cx| {
6382            thread_view.send(window, cx);
6383        });
6384
6385        cx.run_until_parked();
6386
6387        let user_message_editor = thread_view.read_with(cx, |view, cx| {
6388            assert_eq!(view.editing_message, None);
6389            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
6390
6391            view.entry_view_state
6392                .read(cx)
6393                .entry(0)
6394                .unwrap()
6395                .message_editor()
6396                .unwrap()
6397                .clone()
6398        });
6399
6400        // Focus
6401        cx.focus(&user_message_editor);
6402
6403        // Edit
6404        user_message_editor.update_in(cx, |editor, window, cx| {
6405            editor.set_text("Edited message content", window, cx);
6406        });
6407
6408        // Send
6409        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk {
6410            content: acp::ContentBlock::Text(acp::TextContent {
6411                text: "New Response".into(),
6412                annotations: None,
6413                meta: None,
6414            }),
6415        }]);
6416
6417        user_message_editor.update_in(cx, |_editor, window, cx| {
6418            window.dispatch_action(Box::new(Chat), cx);
6419        });
6420
6421        cx.run_until_parked();
6422
6423        thread_view.read_with(cx, |view, cx| {
6424            assert_eq!(view.editing_message, None);
6425
6426            let entries = view.thread().unwrap().read(cx).entries();
6427            assert_eq!(entries.len(), 2);
6428            assert_eq!(
6429                entries[0].to_markdown(cx),
6430                "## User\n\nEdited message content\n\n"
6431            );
6432            assert_eq!(
6433                entries[1].to_markdown(cx),
6434                "## Assistant\n\nNew Response\n\n"
6435            );
6436
6437            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
6438                assert!(!state.entry(1).unwrap().has_content());
6439                state.entry(0).unwrap().message_editor().unwrap().clone()
6440            });
6441
6442            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
6443        })
6444    }
6445
6446    #[gpui::test]
6447    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
6448        init_test(cx);
6449
6450        let connection = StubAgentConnection::new();
6451
6452        let (thread_view, cx) =
6453            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6454        add_to_workspace(thread_view.clone(), cx);
6455
6456        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6457        message_editor.update_in(cx, |editor, window, cx| {
6458            editor.set_text("Original message to edit", window, cx);
6459        });
6460        thread_view.update_in(cx, |thread_view, window, cx| {
6461            thread_view.send(window, cx);
6462        });
6463
6464        cx.run_until_parked();
6465
6466        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
6467            let thread = view.thread().unwrap().read(cx);
6468            assert_eq!(thread.entries().len(), 1);
6469
6470            let editor = view
6471                .entry_view_state
6472                .read(cx)
6473                .entry(0)
6474                .unwrap()
6475                .message_editor()
6476                .unwrap()
6477                .clone();
6478
6479            (editor, thread.session_id().clone())
6480        });
6481
6482        // Focus
6483        cx.focus(&user_message_editor);
6484
6485        thread_view.read_with(cx, |view, _cx| {
6486            assert_eq!(view.editing_message, Some(0));
6487        });
6488
6489        // Edit
6490        user_message_editor.update_in(cx, |editor, window, cx| {
6491            editor.set_text("Edited message content", window, cx);
6492        });
6493
6494        thread_view.read_with(cx, |view, _cx| {
6495            assert_eq!(view.editing_message, Some(0));
6496        });
6497
6498        // Finish streaming response
6499        cx.update(|_, cx| {
6500            connection.send_update(
6501                session_id.clone(),
6502                acp::SessionUpdate::AgentMessageChunk {
6503                    content: acp::ContentBlock::Text(acp::TextContent {
6504                        text: "Response".into(),
6505                        annotations: None,
6506                        meta: None,
6507                    }),
6508                },
6509                cx,
6510            );
6511            connection.end_turn(session_id, acp::StopReason::EndTurn);
6512        });
6513
6514        thread_view.read_with(cx, |view, _cx| {
6515            assert_eq!(view.editing_message, Some(0));
6516        });
6517
6518        cx.run_until_parked();
6519
6520        // Should still be editing
6521        cx.update(|window, cx| {
6522            assert!(user_message_editor.focus_handle(cx).is_focused(window));
6523            assert_eq!(thread_view.read(cx).editing_message, Some(0));
6524            assert_eq!(
6525                user_message_editor.read(cx).text(cx),
6526                "Edited message content"
6527            );
6528        });
6529    }
6530
6531    #[gpui::test]
6532    async fn test_interrupt(cx: &mut TestAppContext) {
6533        init_test(cx);
6534
6535        let connection = StubAgentConnection::new();
6536
6537        let (thread_view, cx) =
6538            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
6539        add_to_workspace(thread_view.clone(), cx);
6540
6541        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
6542        message_editor.update_in(cx, |editor, window, cx| {
6543            editor.set_text("Message 1", window, cx);
6544        });
6545        thread_view.update_in(cx, |thread_view, window, cx| {
6546            thread_view.send(window, cx);
6547        });
6548
6549        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
6550            let thread = view.thread().unwrap();
6551
6552            (thread.clone(), thread.read(cx).session_id().clone())
6553        });
6554
6555        cx.run_until_parked();
6556
6557        cx.update(|_, cx| {
6558            connection.send_update(
6559                session_id.clone(),
6560                acp::SessionUpdate::AgentMessageChunk {
6561                    content: "Message 1 resp".into(),
6562                },
6563                cx,
6564            );
6565        });
6566
6567        cx.run_until_parked();
6568
6569        thread.read_with(cx, |thread, cx| {
6570            assert_eq!(
6571                thread.to_markdown(cx),
6572                indoc::indoc! {"
6573                    ## User
6574
6575                    Message 1
6576
6577                    ## Assistant
6578
6579                    Message 1 resp
6580
6581                "}
6582            )
6583        });
6584
6585        message_editor.update_in(cx, |editor, window, cx| {
6586            editor.set_text("Message 2", window, cx);
6587        });
6588        thread_view.update_in(cx, |thread_view, window, cx| {
6589            thread_view.send(window, cx);
6590        });
6591
6592        cx.update(|_, cx| {
6593            // Simulate a response sent after beginning to cancel
6594            connection.send_update(
6595                session_id.clone(),
6596                acp::SessionUpdate::AgentMessageChunk {
6597                    content: "onse".into(),
6598                },
6599                cx,
6600            );
6601        });
6602
6603        cx.run_until_parked();
6604
6605        // Last Message 1 response should appear before Message 2
6606        thread.read_with(cx, |thread, cx| {
6607            assert_eq!(
6608                thread.to_markdown(cx),
6609                indoc::indoc! {"
6610                    ## User
6611
6612                    Message 1
6613
6614                    ## Assistant
6615
6616                    Message 1 response
6617
6618                    ## User
6619
6620                    Message 2
6621
6622                "}
6623            )
6624        });
6625
6626        cx.update(|_, cx| {
6627            connection.send_update(
6628                session_id.clone(),
6629                acp::SessionUpdate::AgentMessageChunk {
6630                    content: "Message 2 response".into(),
6631                },
6632                cx,
6633            );
6634            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
6635        });
6636
6637        cx.run_until_parked();
6638
6639        thread.read_with(cx, |thread, cx| {
6640            assert_eq!(
6641                thread.to_markdown(cx),
6642                indoc::indoc! {"
6643                    ## User
6644
6645                    Message 1
6646
6647                    ## Assistant
6648
6649                    Message 1 response
6650
6651                    ## User
6652
6653                    Message 2
6654
6655                    ## Assistant
6656
6657                    Message 2 response
6658
6659                "}
6660            )
6661        });
6662    }
6663}