thread_view.rs

   1use acp_thread::{
   2    AcpThread, AcpThreadEvent, AgentSessionInfo, AgentSessionList, AgentSessionListRequest,
   3    AgentThreadEntry, AssistantMessage, AssistantMessageChunk, AuthRequired, LoadError, MentionUri,
   4    RetryStatus, ThreadStatus, ToolCall, ToolCallContent, ToolCallStatus, UserMessageId,
   5};
   6use acp_thread::{AgentConnection, Plan};
   7use action_log::ActionLogTelemetry;
   8use agent::{NativeAgentServer, NativeAgentSessionList, SharedThread, ThreadStore};
   9use agent_client_protocol::{self as acp, PromptCapabilities};
  10use agent_servers::{AgentServer, AgentServerDelegate};
  11use agent_settings::{AgentProfileId, AgentSettings, CompletionMode};
  12use anyhow::{Result, anyhow};
  13use arrayvec::ArrayVec;
  14use audio::{Audio, Sound};
  15use buffer_diff::BufferDiff;
  16use client::zed_urls;
  17use cloud_llm_client::PlanV1;
  18use collections::{HashMap, HashSet};
  19use editor::scroll::Autoscroll;
  20use editor::{
  21    Editor, EditorEvent, EditorMode, MultiBuffer, PathKey, SelectionEffects, SizingBehavior,
  22};
  23use feature_flags::{AgentSharingFeatureFlag, FeatureFlagAppExt};
  24use file_icons::FileIcons;
  25use fs::Fs;
  26use futures::FutureExt as _;
  27use gpui::{
  28    Action, Animation, AnimationExt, AnyView, App, BorderStyle, ClickEvent, ClipboardItem,
  29    CursorStyle, EdgesRefinement, ElementId, Empty, Entity, FocusHandle, Focusable, Hsla, Length,
  30    ListOffset, ListState, ObjectFit, PlatformDisplay, SharedString, StyleRefinement, Subscription,
  31    Task, TextStyle, TextStyleRefinement, UnderlineStyle, WeakEntity, Window, WindowHandle, div,
  32    ease_in_out, img, linear_color_stop, linear_gradient, list, point, pulsating_between,
  33};
  34use language::Buffer;
  35
  36use language_model::LanguageModelRegistry;
  37use markdown::{HeadingLevelStyles, Markdown, MarkdownElement, MarkdownStyle};
  38use project::{AgentServerStore, ExternalAgentServerName, Project, ProjectEntryId};
  39use prompt_store::{PromptId, PromptStore};
  40use rope::Point;
  41use settings::{NotifyWhenAgentWaiting, Settings as _, SettingsStore};
  42use std::cell::RefCell;
  43use std::path::Path;
  44use std::sync::Arc;
  45use std::time::Instant;
  46use std::{collections::BTreeMap, rc::Rc, time::Duration};
  47use terminal_view::terminal_panel::TerminalPanel;
  48use text::ToPoint as _;
  49use theme::{AgentFontSize, ThemeSettings};
  50use ui::{
  51    Callout, CommonAnimationExt, ContextMenu, ContextMenuEntry, CopyButton, DiffStat, Disclosure,
  52    Divider, DividerColor, ElevationIndex, KeyBinding, PopoverMenuHandle, SpinnerLabel, TintColor,
  53    Tooltip, WithScrollbar, prelude::*, right_click_menu,
  54};
  55use util::defer;
  56use util::{ResultExt, size::format_file_size, time::duration_alt_display};
  57use workspace::{CollaboratorId, NewTerminal, Toast, Workspace, notifications::NotificationId};
  58use zed_actions::agent::{Chat, ToggleModelSelector};
  59use zed_actions::assistant::OpenRulesLibrary;
  60
  61use super::config_options::ConfigOptionsView;
  62use super::entry_view_state::EntryViewState;
  63use crate::acp::AcpModelSelectorPopover;
  64use crate::acp::ModeSelector;
  65use crate::acp::entry_view_state::{EntryViewEvent, ViewEvent};
  66use crate::acp::message_editor::{MessageEditor, MessageEditorEvent};
  67use crate::agent_diff::AgentDiff;
  68use crate::profile_selector::{ProfileProvider, ProfileSelector};
  69
  70use crate::ui::{AgentNotification, AgentNotificationEvent, BurnModeTooltip, UsageCallout};
  71use crate::{
  72    AgentDiffPane, AgentPanel, AllowAlways, AllowOnce, ClearMessageQueue, ContinueThread,
  73    ContinueWithBurnMode, CycleFavoriteModels, CycleModeSelector, ExpandMessageEditor, Follow,
  74    KeepAll, NewThread, OpenHistory, QueueMessage, RejectAll, RejectOnce, SendNextQueuedMessage,
  75    ToggleBurnMode, ToggleProfileSelector,
  76};
  77
  78const STOPWATCH_THRESHOLD: Duration = Duration::from_secs(1);
  79const TOKEN_THRESHOLD: u64 = 1;
  80
  81#[derive(Copy, Clone, Debug, PartialEq, Eq)]
  82enum ThreadFeedback {
  83    Positive,
  84    Negative,
  85}
  86
  87#[derive(Debug)]
  88enum ThreadError {
  89    PaymentRequired,
  90    ModelRequestLimitReached(cloud_llm_client::Plan),
  91    ToolUseLimitReached,
  92    Refusal,
  93    AuthenticationRequired(SharedString),
  94    Other(SharedString),
  95}
  96
  97impl ThreadError {
  98    fn from_err(error: anyhow::Error, agent: &Rc<dyn AgentServer>) -> Self {
  99        if error.is::<language_model::PaymentRequiredError>() {
 100            Self::PaymentRequired
 101        } else if error.is::<language_model::ToolUseLimitReachedError>() {
 102            Self::ToolUseLimitReached
 103        } else if let Some(error) =
 104            error.downcast_ref::<language_model::ModelRequestLimitReachedError>()
 105        {
 106            Self::ModelRequestLimitReached(error.plan)
 107        } else if let Some(acp_error) = error.downcast_ref::<acp::Error>()
 108            && acp_error.code == acp::ErrorCode::AuthRequired
 109        {
 110            Self::AuthenticationRequired(acp_error.message.clone().into())
 111        } else {
 112            let string = format!("{:#}", error);
 113            // TODO: we should have Gemini return better errors here.
 114            if agent.clone().downcast::<agent_servers::Gemini>().is_some()
 115                && string.contains("Could not load the default credentials")
 116                || string.contains("API key not valid")
 117                || string.contains("Request had invalid authentication credentials")
 118            {
 119                Self::AuthenticationRequired(string.into())
 120            } else {
 121                Self::Other(string.into())
 122            }
 123        }
 124    }
 125}
 126
 127impl ProfileProvider for Entity<agent::Thread> {
 128    fn profile_id(&self, cx: &App) -> AgentProfileId {
 129        self.read(cx).profile().clone()
 130    }
 131
 132    fn set_profile(&self, profile_id: AgentProfileId, cx: &mut App) {
 133        self.update(cx, |thread, cx| {
 134            // Apply the profile and let the thread swap to its default model.
 135            thread.set_profile(profile_id, cx);
 136        });
 137    }
 138
 139    fn profiles_supported(&self, cx: &App) -> bool {
 140        self.read(cx)
 141            .model()
 142            .is_some_and(|model| model.supports_tools())
 143    }
 144}
 145
 146#[derive(Default)]
 147struct ThreadFeedbackState {
 148    feedback: Option<ThreadFeedback>,
 149    comments_editor: Option<Entity<Editor>>,
 150}
 151
 152impl ThreadFeedbackState {
 153    pub fn submit(
 154        &mut self,
 155        thread: Entity<AcpThread>,
 156        feedback: ThreadFeedback,
 157        window: &mut Window,
 158        cx: &mut App,
 159    ) {
 160        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 161            return;
 162        };
 163
 164        if self.feedback == Some(feedback) {
 165            return;
 166        }
 167
 168        self.feedback = Some(feedback);
 169        match feedback {
 170            ThreadFeedback::Positive => {
 171                self.comments_editor = None;
 172            }
 173            ThreadFeedback::Negative => {
 174                self.comments_editor = Some(Self::build_feedback_comments_editor(window, cx));
 175            }
 176        }
 177        let session_id = thread.read(cx).session_id().clone();
 178        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 179        let task = telemetry.thread_data(&session_id, cx);
 180        let rating = match feedback {
 181            ThreadFeedback::Positive => "positive",
 182            ThreadFeedback::Negative => "negative",
 183        };
 184        cx.background_spawn(async move {
 185            let thread = task.await?;
 186            telemetry::event!(
 187                "Agent Thread Rated",
 188                agent = agent_telemetry_id,
 189                session_id = session_id,
 190                rating = rating,
 191                thread = thread
 192            );
 193            anyhow::Ok(())
 194        })
 195        .detach_and_log_err(cx);
 196    }
 197
 198    pub fn submit_comments(&mut self, thread: Entity<AcpThread>, cx: &mut App) {
 199        let Some(telemetry) = thread.read(cx).connection().telemetry() else {
 200            return;
 201        };
 202
 203        let Some(comments) = self
 204            .comments_editor
 205            .as_ref()
 206            .map(|editor| editor.read(cx).text(cx))
 207            .filter(|text| !text.trim().is_empty())
 208        else {
 209            return;
 210        };
 211
 212        self.comments_editor.take();
 213
 214        let session_id = thread.read(cx).session_id().clone();
 215        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
 216        let task = telemetry.thread_data(&session_id, cx);
 217        cx.background_spawn(async move {
 218            let thread = task.await?;
 219            telemetry::event!(
 220                "Agent Thread Feedback Comments",
 221                agent = agent_telemetry_id,
 222                session_id = session_id,
 223                comments = comments,
 224                thread = thread
 225            );
 226            anyhow::Ok(())
 227        })
 228        .detach_and_log_err(cx);
 229    }
 230
 231    pub fn clear(&mut self) {
 232        *self = Self::default()
 233    }
 234
 235    pub fn dismiss_comments(&mut self) {
 236        self.comments_editor.take();
 237    }
 238
 239    fn build_feedback_comments_editor(window: &mut Window, cx: &mut App) -> Entity<Editor> {
 240        let buffer = cx.new(|cx| {
 241            let empty_string = String::new();
 242            MultiBuffer::singleton(cx.new(|cx| Buffer::local(empty_string, cx)), cx)
 243        });
 244
 245        let editor = cx.new(|cx| {
 246            let mut editor = Editor::new(
 247                editor::EditorMode::AutoHeight {
 248                    min_lines: 1,
 249                    max_lines: Some(4),
 250                },
 251                buffer,
 252                None,
 253                window,
 254                cx,
 255            );
 256            editor.set_placeholder_text(
 257                "What went wrong? Share your feedback so we can improve.",
 258                window,
 259                cx,
 260            );
 261            editor
 262        });
 263
 264        editor.read(cx).focus_handle(cx).focus(window, cx);
 265        editor
 266    }
 267}
 268
 269#[derive(Default, Clone, Copy)]
 270struct DiffStats {
 271    lines_added: u32,
 272    lines_removed: u32,
 273}
 274
 275impl DiffStats {
 276    fn single_file(buffer: &Buffer, diff: &BufferDiff, cx: &App) -> Self {
 277        let mut stats = DiffStats::default();
 278        let diff_snapshot = diff.snapshot(cx);
 279        let buffer_snapshot = buffer.snapshot();
 280        let base_text = diff_snapshot.base_text();
 281
 282        for hunk in diff_snapshot.hunks(&buffer_snapshot) {
 283            let added_rows = hunk.range.end.row.saturating_sub(hunk.range.start.row);
 284            stats.lines_added += added_rows;
 285
 286            let base_start = hunk.diff_base_byte_range.start.to_point(base_text).row;
 287            let base_end = hunk.diff_base_byte_range.end.to_point(base_text).row;
 288            let removed_rows = base_end.saturating_sub(base_start);
 289            stats.lines_removed += removed_rows;
 290        }
 291
 292        stats
 293    }
 294
 295    fn all_files(changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>, cx: &App) -> Self {
 296        let mut total = DiffStats::default();
 297        for (buffer, diff) in changed_buffers {
 298            let stats = DiffStats::single_file(buffer.read(cx), diff.read(cx), cx);
 299            total.lines_added += stats.lines_added;
 300            total.lines_removed += stats.lines_removed;
 301        }
 302        total
 303    }
 304}
 305
 306pub struct AcpThreadView {
 307    agent: Rc<dyn AgentServer>,
 308    agent_server_store: Entity<AgentServerStore>,
 309    workspace: WeakEntity<Workspace>,
 310    project: Entity<Project>,
 311    thread_state: ThreadState,
 312    login: Option<task::SpawnInTerminal>,
 313    session_list: Option<Rc<dyn AgentSessionList>>,
 314    session_list_state: Rc<RefCell<Option<Rc<dyn AgentSessionList>>>>,
 315    recent_history_entries: Vec<AgentSessionInfo>,
 316    _recent_history_task: Task<()>,
 317    _recent_history_watch_task: Option<Task<()>>,
 318    hovered_recent_history_item: Option<usize>,
 319    entry_view_state: Entity<EntryViewState>,
 320    message_editor: Entity<MessageEditor>,
 321    focus_handle: FocusHandle,
 322    model_selector: Option<Entity<AcpModelSelectorPopover>>,
 323    config_options_view: Option<Entity<ConfigOptionsView>>,
 324    profile_selector: Option<Entity<ProfileSelector>>,
 325    notifications: Vec<WindowHandle<AgentNotification>>,
 326    notification_subscriptions: HashMap<WindowHandle<AgentNotification>, Vec<Subscription>>,
 327    thread_retry_status: Option<RetryStatus>,
 328    thread_error: Option<ThreadError>,
 329    thread_error_markdown: Option<Entity<Markdown>>,
 330    token_limit_callout_dismissed: bool,
 331    thread_feedback: ThreadFeedbackState,
 332    list_state: ListState,
 333    auth_task: Option<Task<()>>,
 334    expanded_tool_calls: HashSet<acp::ToolCallId>,
 335    expanded_tool_call_raw_inputs: HashSet<acp::ToolCallId>,
 336    expanded_thinking_blocks: HashSet<(usize, usize)>,
 337    edits_expanded: bool,
 338    plan_expanded: bool,
 339    queue_expanded: bool,
 340    editor_expanded: bool,
 341    should_be_following: bool,
 342    editing_message: Option<usize>,
 343    prompt_capabilities: Rc<RefCell<PromptCapabilities>>,
 344    available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
 345    is_loading_contents: bool,
 346    new_server_version_available: Option<SharedString>,
 347    resume_thread_metadata: Option<AgentSessionInfo>,
 348    _cancel_task: Option<Task<()>>,
 349    _subscriptions: [Subscription; 5],
 350    show_codex_windows_warning: bool,
 351    in_flight_prompt: Option<Vec<acp::ContentBlock>>,
 352    message_queue: Vec<QueuedMessage>,
 353    skip_queue_processing_count: usize,
 354    user_interrupted_generation: bool,
 355    turn_tokens: Option<u64>,
 356    last_turn_tokens: Option<u64>,
 357    turn_started_at: Option<Instant>,
 358    last_turn_duration: Option<Duration>,
 359    turn_generation: usize,
 360    _turn_timer_task: Option<Task<()>>,
 361}
 362
 363struct QueuedMessage {
 364    content: Vec<acp::ContentBlock>,
 365    tracked_buffers: Vec<Entity<Buffer>>,
 366}
 367
 368enum ThreadState {
 369    Loading(Entity<LoadingView>),
 370    Ready {
 371        thread: Entity<AcpThread>,
 372        title_editor: Option<Entity<Editor>>,
 373        mode_selector: Option<Entity<ModeSelector>>,
 374        _subscriptions: Vec<Subscription>,
 375    },
 376    LoadError(LoadError),
 377    Unauthenticated {
 378        connection: Rc<dyn AgentConnection>,
 379        description: Option<Entity<Markdown>>,
 380        configuration_view: Option<AnyView>,
 381        pending_auth_method: Option<acp::AuthMethodId>,
 382        _subscription: Option<Subscription>,
 383    },
 384}
 385
 386struct LoadingView {
 387    title: SharedString,
 388    _load_task: Task<()>,
 389    _update_title_task: Task<anyhow::Result<()>>,
 390}
 391
 392impl AcpThreadView {
 393    pub fn new(
 394        agent: Rc<dyn AgentServer>,
 395        resume_thread: Option<AgentSessionInfo>,
 396        summarize_thread: Option<AgentSessionInfo>,
 397        workspace: WeakEntity<Workspace>,
 398        project: Entity<Project>,
 399        thread_store: Option<Entity<ThreadStore>>,
 400        prompt_store: Option<Entity<PromptStore>>,
 401        track_load_event: bool,
 402        window: &mut Window,
 403        cx: &mut Context<Self>,
 404    ) -> Self {
 405        let prompt_capabilities = Rc::new(RefCell::new(acp::PromptCapabilities::default()));
 406        let available_commands = Rc::new(RefCell::new(vec![]));
 407        let session_list_state = Rc::new(RefCell::new(None));
 408
 409        let agent_server_store = project.read(cx).agent_server_store().clone();
 410        let agent_display_name = agent_server_store
 411            .read(cx)
 412            .agent_display_name(&ExternalAgentServerName(agent.name()))
 413            .unwrap_or_else(|| agent.name());
 414
 415        let placeholder = placeholder_text(agent_display_name.as_ref(), false);
 416
 417        let message_editor = cx.new(|cx| {
 418            let mut editor = MessageEditor::new(
 419                workspace.clone(),
 420                project.downgrade(),
 421                thread_store.clone(),
 422                session_list_state.clone(),
 423                prompt_store.clone(),
 424                prompt_capabilities.clone(),
 425                available_commands.clone(),
 426                agent.name(),
 427                &placeholder,
 428                editor::EditorMode::AutoHeight {
 429                    min_lines: AgentSettings::get_global(cx).message_editor_min_lines,
 430                    max_lines: Some(AgentSettings::get_global(cx).set_message_editor_max_lines()),
 431                },
 432                window,
 433                cx,
 434            );
 435            if let Some(entry) = summarize_thread {
 436                editor.insert_thread_summary(entry, window, cx);
 437            }
 438            editor
 439        });
 440
 441        let list_state = ListState::new(0, gpui::ListAlignment::Bottom, px(2048.0));
 442
 443        let entry_view_state = cx.new(|_| {
 444            EntryViewState::new(
 445                workspace.clone(),
 446                project.downgrade(),
 447                thread_store.clone(),
 448                session_list_state.clone(),
 449                prompt_store.clone(),
 450                prompt_capabilities.clone(),
 451                available_commands.clone(),
 452                agent.name(),
 453            )
 454        });
 455
 456        let subscriptions = [
 457            cx.observe_global_in::<SettingsStore>(window, Self::agent_ui_font_size_changed),
 458            cx.observe_global_in::<AgentFontSize>(window, Self::agent_ui_font_size_changed),
 459            cx.subscribe_in(&message_editor, window, Self::handle_message_editor_event),
 460            cx.subscribe_in(&entry_view_state, window, Self::handle_entry_view_event),
 461            cx.subscribe_in(
 462                &agent_server_store,
 463                window,
 464                Self::handle_agent_servers_updated,
 465            ),
 466        ];
 467
 468        cx.on_release(|this, cx| {
 469            for window in this.notifications.drain(..) {
 470                window
 471                    .update(cx, |_, window, _| {
 472                        window.remove_window();
 473                    })
 474                    .ok();
 475            }
 476        })
 477        .detach();
 478
 479        let show_codex_windows_warning = cfg!(windows)
 480            && project.read(cx).is_local()
 481            && agent.clone().downcast::<agent_servers::Codex>().is_some();
 482
 483        Self {
 484            agent: agent.clone(),
 485            agent_server_store,
 486            workspace: workspace.clone(),
 487            project: project.clone(),
 488            entry_view_state,
 489            thread_state: Self::initial_state(
 490                agent.clone(),
 491                resume_thread.clone(),
 492                workspace.clone(),
 493                project.clone(),
 494                track_load_event,
 495                window,
 496                cx,
 497            ),
 498            login: None,
 499            message_editor,
 500            model_selector: None,
 501            config_options_view: None,
 502            profile_selector: None,
 503            notifications: Vec::new(),
 504            notification_subscriptions: HashMap::default(),
 505            list_state: list_state,
 506            thread_retry_status: None,
 507            thread_error: None,
 508            thread_error_markdown: None,
 509            token_limit_callout_dismissed: false,
 510            thread_feedback: Default::default(),
 511            auth_task: None,
 512            expanded_tool_calls: HashSet::default(),
 513            expanded_tool_call_raw_inputs: HashSet::default(),
 514            expanded_thinking_blocks: HashSet::default(),
 515            editing_message: None,
 516            edits_expanded: false,
 517            plan_expanded: false,
 518            queue_expanded: true,
 519            prompt_capabilities,
 520            available_commands,
 521            editor_expanded: false,
 522            should_be_following: false,
 523            session_list: None,
 524            session_list_state,
 525            recent_history_entries: Vec::new(),
 526            _recent_history_task: Task::ready(()),
 527            _recent_history_watch_task: None,
 528            hovered_recent_history_item: None,
 529            is_loading_contents: false,
 530            _subscriptions: subscriptions,
 531            _cancel_task: None,
 532            focus_handle: cx.focus_handle(),
 533            new_server_version_available: None,
 534            resume_thread_metadata: resume_thread,
 535            show_codex_windows_warning,
 536            in_flight_prompt: None,
 537            message_queue: Vec::new(),
 538            skip_queue_processing_count: 0,
 539            user_interrupted_generation: false,
 540            turn_tokens: None,
 541            last_turn_tokens: None,
 542            turn_started_at: None,
 543            last_turn_duration: None,
 544            turn_generation: 0,
 545            _turn_timer_task: None,
 546        }
 547    }
 548
 549    fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 550        self.thread_state = Self::initial_state(
 551            self.agent.clone(),
 552            self.resume_thread_metadata.clone(),
 553            self.workspace.clone(),
 554            self.project.clone(),
 555            true,
 556            window,
 557            cx,
 558        );
 559        self.available_commands.replace(vec![]);
 560        self.new_server_version_available.take();
 561        self.message_queue.clear();
 562        self.session_list = None;
 563        *self.session_list_state.borrow_mut() = None;
 564        self.recent_history_entries.clear();
 565        self._recent_history_watch_task = None;
 566        self._recent_history_task = Task::ready(());
 567        self.turn_tokens = None;
 568        self.last_turn_tokens = None;
 569        self.turn_started_at = None;
 570        self.last_turn_duration = None;
 571        self._turn_timer_task = None;
 572        cx.notify();
 573    }
 574
 575    fn initial_state(
 576        agent: Rc<dyn AgentServer>,
 577        resume_thread: Option<AgentSessionInfo>,
 578        workspace: WeakEntity<Workspace>,
 579        project: Entity<Project>,
 580        track_load_event: bool,
 581        window: &mut Window,
 582        cx: &mut Context<Self>,
 583    ) -> ThreadState {
 584        if project.read(cx).is_via_collab()
 585            && agent.clone().downcast::<NativeAgentServer>().is_none()
 586        {
 587            return ThreadState::LoadError(LoadError::Other(
 588                "External agents are not yet supported in shared projects.".into(),
 589            ));
 590        }
 591        let mut worktrees = project.read(cx).visible_worktrees(cx).collect::<Vec<_>>();
 592        // Pick the first non-single-file worktree for the root directory if there are any,
 593        // and otherwise the parent of a single-file worktree, falling back to $HOME if there are no visible worktrees.
 594        worktrees.sort_by(|l, r| {
 595            l.read(cx)
 596                .is_single_file()
 597                .cmp(&r.read(cx).is_single_file())
 598        });
 599        let root_dir = worktrees
 600            .into_iter()
 601            .filter_map(|worktree| {
 602                if worktree.read(cx).is_single_file() {
 603                    Some(worktree.read(cx).abs_path().parent()?.into())
 604                } else {
 605                    Some(worktree.read(cx).abs_path())
 606                }
 607            })
 608            .next();
 609        let (status_tx, mut status_rx) = watch::channel("Loading…".into());
 610        let (new_version_available_tx, mut new_version_available_rx) = watch::channel(None);
 611        let delegate = AgentServerDelegate::new(
 612            project.read(cx).agent_server_store().clone(),
 613            project.clone(),
 614            Some(status_tx),
 615            Some(new_version_available_tx),
 616        );
 617
 618        let connect_task = agent.connect(root_dir.as_deref(), delegate, cx);
 619        let load_task = cx.spawn_in(window, async move |this, cx| {
 620            let connection = match connect_task.await {
 621                Ok((connection, login)) => {
 622                    this.update(cx, |this, _| this.login = login).ok();
 623                    connection
 624                }
 625                Err(err) => {
 626                    this.update_in(cx, |this, window, cx| {
 627                        if err.downcast_ref::<LoadError>().is_some() {
 628                            this.handle_load_error(err, window, cx);
 629                        } else {
 630                            this.handle_thread_error(err, cx);
 631                        }
 632                        cx.notify();
 633                    })
 634                    .log_err();
 635                    return;
 636                }
 637            };
 638
 639            if track_load_event {
 640                telemetry::event!("Agent Thread Started", agent = connection.telemetry_id());
 641            }
 642
 643            let result = if let Some(native_agent) = connection
 644                .clone()
 645                .downcast::<agent::NativeAgentConnection>()
 646                && let Some(resume) = resume_thread.clone()
 647            {
 648                cx.update(|_, cx| {
 649                    native_agent
 650                        .0
 651                        .update(cx, |agent, cx| agent.open_thread(resume.session_id, cx))
 652                })
 653                .log_err()
 654            } else {
 655                let root_dir = root_dir.unwrap_or(paths::home_dir().as_path().into());
 656                cx.update(|_, cx| {
 657                    connection
 658                        .clone()
 659                        .new_thread(project.clone(), &root_dir, cx)
 660                })
 661                .log_err()
 662            };
 663
 664            let Some(result) = result else {
 665                return;
 666            };
 667
 668            let result = match result.await {
 669                Err(e) => match e.downcast::<acp_thread::AuthRequired>() {
 670                    Ok(err) => {
 671                        cx.update(|window, cx| {
 672                            Self::handle_auth_required(this, err, agent, connection, window, cx)
 673                        })
 674                        .log_err();
 675                        return;
 676                    }
 677                    Err(err) => Err(err),
 678                },
 679                Ok(thread) => Ok(thread),
 680            };
 681
 682            this.update_in(cx, |this, window, cx| {
 683                match result {
 684                    Ok(thread) => {
 685                        let action_log = thread.read(cx).action_log().clone();
 686
 687                        this.prompt_capabilities
 688                            .replace(thread.read(cx).prompt_capabilities());
 689
 690                        let count = thread.read(cx).entries().len();
 691                        this.entry_view_state.update(cx, |view_state, cx| {
 692                            for ix in 0..count {
 693                                view_state.sync_entry(ix, &thread, window, cx);
 694                            }
 695                            this.list_state.splice_focusable(
 696                                0..0,
 697                                (0..count).map(|ix| view_state.entry(ix)?.focus_handle(cx)),
 698                            );
 699                        });
 700
 701                        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 702
 703                        let connection = thread.read(cx).connection().clone();
 704                        let session_id = thread.read(cx).session_id().clone();
 705                        let session_list = connection.session_list(cx);
 706                        this.set_session_list(session_list, cx);
 707
 708                        // Check for config options first
 709                        // Config options take precedence over legacy mode/model selectors
 710                        // (feature flag gating happens at the data layer)
 711                        let config_options_provider =
 712                            connection.session_config_options(&session_id, cx);
 713
 714                        let mode_selector;
 715                        if let Some(config_options) = config_options_provider {
 716                            // Use config options - don't create mode_selector or model_selector
 717                            let agent_server = this.agent.clone();
 718                            let fs = this.project.read(cx).fs().clone();
 719                            this.config_options_view = Some(cx.new(|cx| {
 720                                ConfigOptionsView::new(config_options, agent_server, fs, window, cx)
 721                            }));
 722                            this.model_selector = None;
 723                            mode_selector = None;
 724                        } else {
 725                            // Fall back to legacy mode/model selectors
 726                            this.config_options_view = None;
 727                            this.model_selector =
 728                                connection.model_selector(&session_id).map(|selector| {
 729                                    let agent_server = this.agent.clone();
 730                                    let fs = this.project.read(cx).fs().clone();
 731                                    cx.new(|cx| {
 732                                        AcpModelSelectorPopover::new(
 733                                            selector,
 734                                            agent_server,
 735                                            fs,
 736                                            PopoverMenuHandle::default(),
 737                                            this.focus_handle(cx),
 738                                            window,
 739                                            cx,
 740                                        )
 741                                    })
 742                                });
 743
 744                            mode_selector =
 745                                connection
 746                                    .session_modes(&session_id, cx)
 747                                    .map(|session_modes| {
 748                                        let fs = this.project.read(cx).fs().clone();
 749                                        let focus_handle = this.focus_handle(cx);
 750                                        cx.new(|_cx| {
 751                                            ModeSelector::new(
 752                                                session_modes,
 753                                                this.agent.clone(),
 754                                                fs,
 755                                                focus_handle,
 756                                            )
 757                                        })
 758                                    });
 759                        }
 760
 761                        let mut subscriptions = vec![
 762                            cx.subscribe_in(&thread, window, Self::handle_thread_event),
 763                            cx.observe(&action_log, |_, _, cx| cx.notify()),
 764                        ];
 765
 766                        let title_editor =
 767                            if thread.update(cx, |thread, cx| thread.can_set_title(cx)) {
 768                                let editor = cx.new(|cx| {
 769                                    let mut editor = Editor::single_line(window, cx);
 770                                    editor.set_text(thread.read(cx).title(), window, cx);
 771                                    editor
 772                                });
 773                                subscriptions.push(cx.subscribe_in(
 774                                    &editor,
 775                                    window,
 776                                    Self::handle_title_editor_event,
 777                                ));
 778                                Some(editor)
 779                            } else {
 780                                None
 781                            };
 782
 783                        this.thread_state = ThreadState::Ready {
 784                            thread,
 785                            title_editor,
 786                            mode_selector,
 787                            _subscriptions: subscriptions,
 788                        };
 789
 790                        this.profile_selector = this.as_native_thread(cx).map(|thread| {
 791                            cx.new(|cx| {
 792                                ProfileSelector::new(
 793                                    <dyn Fs>::global(cx),
 794                                    Arc::new(thread.clone()),
 795                                    this.focus_handle(cx),
 796                                    cx,
 797                                )
 798                            })
 799                        });
 800
 801                        this.message_editor.focus_handle(cx).focus(window, cx);
 802
 803                        cx.notify();
 804                    }
 805                    Err(err) => {
 806                        this.handle_load_error(err, window, cx);
 807                    }
 808                };
 809            })
 810            .log_err();
 811        });
 812
 813        cx.spawn(async move |this, cx| {
 814            while let Ok(new_version) = new_version_available_rx.recv().await {
 815                if let Some(new_version) = new_version {
 816                    this.update(cx, |this, cx| {
 817                        this.new_server_version_available = Some(new_version.into());
 818                        cx.notify();
 819                    })
 820                    .ok();
 821                }
 822            }
 823        })
 824        .detach();
 825
 826        let loading_view = cx.new(|cx| {
 827            let update_title_task = cx.spawn(async move |this, cx| {
 828                loop {
 829                    let status = status_rx.recv().await?;
 830                    this.update(cx, |this: &mut LoadingView, cx| {
 831                        this.title = status;
 832                        cx.notify();
 833                    })?;
 834                }
 835            });
 836
 837            LoadingView {
 838                title: "Loading…".into(),
 839                _load_task: load_task,
 840                _update_title_task: update_title_task,
 841            }
 842        });
 843
 844        ThreadState::Loading(loading_view)
 845    }
 846
 847    fn handle_auth_required(
 848        this: WeakEntity<Self>,
 849        err: AuthRequired,
 850        agent: Rc<dyn AgentServer>,
 851        connection: Rc<dyn AgentConnection>,
 852        window: &mut Window,
 853        cx: &mut App,
 854    ) {
 855        let agent_name = agent.name();
 856        let (configuration_view, subscription) = if let Some(provider_id) = &err.provider_id {
 857            let registry = LanguageModelRegistry::global(cx);
 858
 859            let sub = window.subscribe(&registry, cx, {
 860                let provider_id = provider_id.clone();
 861                let this = this.clone();
 862                move |_, ev, window, cx| {
 863                    if let language_model::Event::ProviderStateChanged(updated_provider_id) = &ev
 864                        && &provider_id == updated_provider_id
 865                        && LanguageModelRegistry::global(cx)
 866                            .read(cx)
 867                            .provider(&provider_id)
 868                            .map_or(false, |provider| provider.is_authenticated(cx))
 869                    {
 870                        this.update(cx, |this, cx| {
 871                            this.reset(window, cx);
 872                        })
 873                        .ok();
 874                    }
 875                }
 876            });
 877
 878            let view = registry.read(cx).provider(&provider_id).map(|provider| {
 879                provider.configuration_view(
 880                    language_model::ConfigurationViewTargetAgent::Other(agent_name.clone()),
 881                    window,
 882                    cx,
 883                )
 884            });
 885
 886            (view, Some(sub))
 887        } else {
 888            (None, None)
 889        };
 890
 891        this.update(cx, |this, cx| {
 892            this.thread_state = ThreadState::Unauthenticated {
 893                pending_auth_method: None,
 894                connection,
 895                configuration_view,
 896                description: err
 897                    .description
 898                    .map(|desc| cx.new(|cx| Markdown::new(desc.into(), None, None, cx))),
 899                _subscription: subscription,
 900            };
 901            if this.message_editor.focus_handle(cx).is_focused(window) {
 902                this.focus_handle.focus(window, cx)
 903            }
 904            cx.notify();
 905        })
 906        .ok();
 907    }
 908
 909    fn handle_load_error(
 910        &mut self,
 911        err: anyhow::Error,
 912        window: &mut Window,
 913        cx: &mut Context<Self>,
 914    ) {
 915        if let Some(load_err) = err.downcast_ref::<LoadError>() {
 916            self.thread_state = ThreadState::LoadError(load_err.clone());
 917        } else {
 918            self.thread_state =
 919                ThreadState::LoadError(LoadError::Other(format!("{:#}", err).into()))
 920        }
 921        if self.message_editor.focus_handle(cx).is_focused(window) {
 922            self.focus_handle.focus(window, cx)
 923        }
 924        cx.notify();
 925    }
 926
 927    fn handle_agent_servers_updated(
 928        &mut self,
 929        _agent_server_store: &Entity<project::AgentServerStore>,
 930        _event: &project::AgentServersUpdated,
 931        window: &mut Window,
 932        cx: &mut Context<Self>,
 933    ) {
 934        // If we're in a LoadError state OR have a thread_error set (which can happen
 935        // when agent.connect() fails during loading), retry loading the thread.
 936        // This handles the case where a thread is restored before authentication completes.
 937        let should_retry =
 938            matches!(&self.thread_state, ThreadState::LoadError(_)) || self.thread_error.is_some();
 939
 940        if should_retry {
 941            self.thread_error = None;
 942            self.thread_error_markdown = None;
 943            self.reset(window, cx);
 944        }
 945    }
 946
 947    pub fn workspace(&self) -> &WeakEntity<Workspace> {
 948        &self.workspace
 949    }
 950
 951    pub fn thread(&self) -> Option<&Entity<AcpThread>> {
 952        match &self.thread_state {
 953            ThreadState::Ready { thread, .. } => Some(thread),
 954            ThreadState::Unauthenticated { .. }
 955            | ThreadState::Loading { .. }
 956            | ThreadState::LoadError { .. } => None,
 957        }
 958    }
 959
 960    pub(crate) fn session_list(&self) -> Option<Rc<dyn AgentSessionList>> {
 961        self.session_list.clone()
 962    }
 963
 964    pub fn mode_selector(&self) -> Option<&Entity<ModeSelector>> {
 965        match &self.thread_state {
 966            ThreadState::Ready { mode_selector, .. } => mode_selector.as_ref(),
 967            ThreadState::Unauthenticated { .. }
 968            | ThreadState::Loading { .. }
 969            | ThreadState::LoadError { .. } => None,
 970        }
 971    }
 972
 973    pub fn title(&self, cx: &App) -> SharedString {
 974        match &self.thread_state {
 975            ThreadState::Ready { .. } | ThreadState::Unauthenticated { .. } => "New Thread".into(),
 976            ThreadState::Loading(loading_view) => loading_view.read(cx).title.clone(),
 977            ThreadState::LoadError(error) => match error {
 978                LoadError::Unsupported { .. } => format!("Upgrade {}", self.agent.name()).into(),
 979                LoadError::FailedToInstall(_) => {
 980                    format!("Failed to Install {}", self.agent.name()).into()
 981                }
 982                LoadError::Exited { .. } => format!("{} Exited", self.agent.name()).into(),
 983                LoadError::Other(_) => format!("Error Loading {}", self.agent.name()).into(),
 984            },
 985        }
 986    }
 987
 988    pub fn title_editor(&self) -> Option<Entity<Editor>> {
 989        if let ThreadState::Ready { title_editor, .. } = &self.thread_state {
 990            title_editor.clone()
 991        } else {
 992            None
 993        }
 994    }
 995
 996    pub fn cancel_generation(&mut self, cx: &mut Context<Self>) {
 997        self.thread_error.take();
 998        self.thread_retry_status.take();
 999
1000        if let Some(thread) = self.thread() {
1001            self._cancel_task = Some(thread.update(cx, |thread, cx| thread.cancel(cx)));
1002        }
1003    }
1004
1005    fn share_thread(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
1006        let Some(thread) = self.as_native_thread(cx) else {
1007            return;
1008        };
1009
1010        let client = self.project.read(cx).client();
1011        let workspace = self.workspace.clone();
1012        let session_id = thread.read(cx).id().to_string();
1013
1014        let load_task = thread.read(cx).to_db(cx);
1015
1016        cx.spawn(async move |_this, cx| {
1017            let db_thread = load_task.await;
1018
1019            let shared_thread = SharedThread::from_db_thread(&db_thread);
1020            let thread_data = shared_thread.to_bytes()?;
1021            let title = shared_thread.title.to_string();
1022
1023            client
1024                .request(proto::ShareAgentThread {
1025                    session_id: session_id.clone(),
1026                    title,
1027                    thread_data,
1028                })
1029                .await?;
1030
1031            let share_url = client::zed_urls::shared_agent_thread_url(&session_id);
1032
1033            cx.update(|cx| {
1034                if let Some(workspace) = workspace.upgrade() {
1035                    workspace.update(cx, |workspace, cx| {
1036                        struct ThreadSharedToast;
1037                        workspace.show_toast(
1038                            Toast::new(
1039                                NotificationId::unique::<ThreadSharedToast>(),
1040                                "Thread shared!",
1041                            )
1042                            .on_click(
1043                                "Copy URL",
1044                                move |_window, cx| {
1045                                    cx.write_to_clipboard(ClipboardItem::new_string(
1046                                        share_url.clone(),
1047                                    ));
1048                                },
1049                            ),
1050                            cx,
1051                        );
1052                    });
1053                }
1054            });
1055
1056            anyhow::Ok(())
1057        })
1058        .detach_and_log_err(cx);
1059    }
1060
1061    fn sync_thread(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1062        if !self.is_imported_thread(cx) {
1063            return;
1064        }
1065
1066        let Some(thread) = self.as_native_thread(cx) else {
1067            return;
1068        };
1069        let Some(session_list) = self
1070            .session_list
1071            .clone()
1072            .and_then(|list| list.downcast::<NativeAgentSessionList>())
1073        else {
1074            return;
1075        };
1076        let thread_store = session_list.thread_store().clone();
1077
1078        let client = self.project.read(cx).client();
1079        let session_id = thread.read(cx).id().clone();
1080
1081        cx.spawn_in(window, async move |this, cx| {
1082            let response = client
1083                .request(proto::GetSharedAgentThread {
1084                    session_id: session_id.to_string(),
1085                })
1086                .await?;
1087
1088            let shared_thread = SharedThread::from_bytes(&response.thread_data)?;
1089
1090            let db_thread = shared_thread.to_db_thread();
1091
1092            thread_store
1093                .update(&mut cx.clone(), |store, cx| {
1094                    store.save_thread(session_id.clone(), db_thread, cx)
1095                })
1096                .await?;
1097
1098            let thread_metadata = AgentSessionInfo {
1099                session_id,
1100                cwd: None,
1101                title: Some(format!("🔗 {}", response.title).into()),
1102                updated_at: Some(chrono::Utc::now()),
1103                meta: None,
1104            };
1105
1106            this.update_in(cx, |this, window, cx| {
1107                this.resume_thread_metadata = Some(thread_metadata);
1108                this.reset(window, cx);
1109            })?;
1110
1111            this.update_in(cx, |this, _window, cx| {
1112                if let Some(workspace) = this.workspace.upgrade() {
1113                    workspace.update(cx, |workspace, cx| {
1114                        struct ThreadSyncedToast;
1115                        workspace.show_toast(
1116                            Toast::new(
1117                                NotificationId::unique::<ThreadSyncedToast>(),
1118                                "Thread synced with latest version",
1119                            )
1120                            .autohide(),
1121                            cx,
1122                        );
1123                    });
1124                }
1125            })?;
1126
1127            anyhow::Ok(())
1128        })
1129        .detach_and_log_err(cx);
1130    }
1131
1132    pub fn expand_message_editor(
1133        &mut self,
1134        _: &ExpandMessageEditor,
1135        _window: &mut Window,
1136        cx: &mut Context<Self>,
1137    ) {
1138        self.set_editor_is_expanded(!self.editor_expanded, cx);
1139        cx.stop_propagation();
1140        cx.notify();
1141    }
1142
1143    fn set_editor_is_expanded(&mut self, is_expanded: bool, cx: &mut Context<Self>) {
1144        self.editor_expanded = is_expanded;
1145        self.message_editor.update(cx, |editor, cx| {
1146            if is_expanded {
1147                editor.set_mode(
1148                    EditorMode::Full {
1149                        scale_ui_elements_with_buffer_font_size: false,
1150                        show_active_line_background: false,
1151                        sizing_behavior: SizingBehavior::ExcludeOverscrollMargin,
1152                    },
1153                    cx,
1154                )
1155            } else {
1156                let agent_settings = AgentSettings::get_global(cx);
1157                editor.set_mode(
1158                    EditorMode::AutoHeight {
1159                        min_lines: agent_settings.message_editor_min_lines,
1160                        max_lines: Some(agent_settings.set_message_editor_max_lines()),
1161                    },
1162                    cx,
1163                )
1164            }
1165        });
1166        cx.notify();
1167    }
1168
1169    pub fn handle_title_editor_event(
1170        &mut self,
1171        title_editor: &Entity<Editor>,
1172        event: &EditorEvent,
1173        window: &mut Window,
1174        cx: &mut Context<Self>,
1175    ) {
1176        let Some(thread) = self.thread() else { return };
1177
1178        match event {
1179            EditorEvent::BufferEdited => {
1180                let new_title = title_editor.read(cx).text(cx);
1181                thread.update(cx, |thread, cx| {
1182                    thread
1183                        .set_title(new_title.into(), cx)
1184                        .detach_and_log_err(cx);
1185                })
1186            }
1187            EditorEvent::Blurred => {
1188                if title_editor.read(cx).text(cx).is_empty() {
1189                    title_editor.update(cx, |editor, cx| {
1190                        editor.set_text("New Thread", window, cx);
1191                    });
1192                }
1193            }
1194            _ => {}
1195        }
1196    }
1197
1198    pub fn handle_message_editor_event(
1199        &mut self,
1200        _: &Entity<MessageEditor>,
1201        event: &MessageEditorEvent,
1202        window: &mut Window,
1203        cx: &mut Context<Self>,
1204    ) {
1205        match event {
1206            MessageEditorEvent::Send => self.send(window, cx),
1207            MessageEditorEvent::Queue => self.queue_message(window, cx),
1208            MessageEditorEvent::Cancel => self.cancel_generation(cx),
1209            MessageEditorEvent::Focus => {
1210                self.cancel_editing(&Default::default(), window, cx);
1211            }
1212            MessageEditorEvent::LostFocus => {}
1213        }
1214    }
1215
1216    pub fn handle_entry_view_event(
1217        &mut self,
1218        _: &Entity<EntryViewState>,
1219        event: &EntryViewEvent,
1220        window: &mut Window,
1221        cx: &mut Context<Self>,
1222    ) {
1223        match &event.view_event {
1224            ViewEvent::NewDiff(tool_call_id) => {
1225                if AgentSettings::get_global(cx).expand_edit_card {
1226                    self.expanded_tool_calls.insert(tool_call_id.clone());
1227                }
1228            }
1229            ViewEvent::NewTerminal(tool_call_id) => {
1230                if AgentSettings::get_global(cx).expand_terminal_card {
1231                    self.expanded_tool_calls.insert(tool_call_id.clone());
1232                }
1233            }
1234            ViewEvent::TerminalMovedToBackground(tool_call_id) => {
1235                self.expanded_tool_calls.remove(tool_call_id);
1236            }
1237            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Focus) => {
1238                if let Some(thread) = self.thread()
1239                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1240                        thread.read(cx).entries().get(event.entry_index)
1241                    && user_message.id.is_some()
1242                {
1243                    self.editing_message = Some(event.entry_index);
1244                    cx.notify();
1245                }
1246            }
1247            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::LostFocus) => {
1248                if let Some(thread) = self.thread()
1249                    && let Some(AgentThreadEntry::UserMessage(user_message)) =
1250                        thread.read(cx).entries().get(event.entry_index)
1251                    && user_message.id.is_some()
1252                {
1253                    if editor.read(cx).text(cx).as_str() == user_message.content.to_markdown(cx) {
1254                        self.editing_message = None;
1255                        cx.notify();
1256                    }
1257                }
1258            }
1259            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Queue) => {}
1260            ViewEvent::MessageEditorEvent(editor, MessageEditorEvent::Send) => {
1261                self.regenerate(event.entry_index, editor.clone(), window, cx);
1262            }
1263            ViewEvent::MessageEditorEvent(_editor, MessageEditorEvent::Cancel) => {
1264                self.cancel_editing(&Default::default(), window, cx);
1265            }
1266        }
1267    }
1268
1269    pub fn is_loading(&self) -> bool {
1270        matches!(self.thread_state, ThreadState::Loading { .. })
1271    }
1272
1273    fn resume_chat(&mut self, cx: &mut Context<Self>) {
1274        self.thread_error.take();
1275        let Some(thread) = self.thread() else {
1276            return;
1277        };
1278        if !thread.read(cx).can_resume(cx) {
1279            return;
1280        }
1281
1282        let task = thread.update(cx, |thread, cx| thread.resume(cx));
1283        cx.spawn(async move |this, cx| {
1284            let result = task.await;
1285
1286            this.update(cx, |this, cx| {
1287                if let Err(err) = result {
1288                    this.handle_thread_error(err, cx);
1289                }
1290            })
1291        })
1292        .detach();
1293    }
1294
1295    fn send(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1296        let Some(thread) = self.thread() else { return };
1297
1298        if self.is_loading_contents {
1299            return;
1300        }
1301
1302        if thread.read(cx).status() != ThreadStatus::Idle {
1303            self.stop_current_and_send_new_message(window, cx);
1304            return;
1305        }
1306
1307        let text = self.message_editor.read(cx).text(cx);
1308        let text = text.trim();
1309        if text == "/login" || text == "/logout" {
1310            let ThreadState::Ready { thread, .. } = &self.thread_state else {
1311                return;
1312            };
1313
1314            let connection = thread.read(cx).connection().clone();
1315            let can_login = !connection.auth_methods().is_empty() || self.login.is_some();
1316            // Does the agent have a specific logout command? Prefer that in case they need to reset internal state.
1317            let logout_supported = text == "/logout"
1318                && self
1319                    .available_commands
1320                    .borrow()
1321                    .iter()
1322                    .any(|command| command.name == "logout");
1323            if can_login && !logout_supported {
1324                self.message_editor
1325                    .update(cx, |editor, cx| editor.clear(window, cx));
1326
1327                let this = cx.weak_entity();
1328                let agent = self.agent.clone();
1329                window.defer(cx, |window, cx| {
1330                    Self::handle_auth_required(
1331                        this,
1332                        AuthRequired::new(),
1333                        agent,
1334                        connection,
1335                        window,
1336                        cx,
1337                    );
1338                });
1339                cx.notify();
1340                return;
1341            }
1342        }
1343
1344        self.send_impl(self.message_editor.clone(), window, cx)
1345    }
1346
1347    fn stop_current_and_send_new_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1348        let Some(thread) = self.thread().cloned() else {
1349            return;
1350        };
1351
1352        self.skip_queue_processing_count = 0;
1353        self.user_interrupted_generation = true;
1354
1355        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1356
1357        cx.spawn_in(window, async move |this, cx| {
1358            cancelled.await;
1359
1360            this.update_in(cx, |this, window, cx| {
1361                this.send_impl(this.message_editor.clone(), window, cx);
1362            })
1363            .ok();
1364        })
1365        .detach();
1366    }
1367
1368    fn start_turn(&mut self, cx: &mut Context<Self>) -> usize {
1369        self.turn_generation += 1;
1370        let generation = self.turn_generation;
1371        self.turn_started_at = Some(Instant::now());
1372        self.last_turn_duration = None;
1373        self.last_turn_tokens = None;
1374        self.turn_tokens = Some(0);
1375        self._turn_timer_task = Some(cx.spawn(async move |this, cx| {
1376            loop {
1377                cx.background_executor().timer(Duration::from_secs(1)).await;
1378                if this.update(cx, |_, cx| cx.notify()).is_err() {
1379                    break;
1380                }
1381            }
1382        }));
1383        generation
1384    }
1385
1386    fn stop_turn(&mut self, generation: usize) {
1387        if self.turn_generation != generation {
1388            return;
1389        }
1390        self.last_turn_duration = self.turn_started_at.take().map(|started| started.elapsed());
1391        self.last_turn_tokens = self.turn_tokens.take();
1392        self._turn_timer_task = None;
1393    }
1394
1395    fn update_turn_tokens(&mut self, cx: &App) {
1396        if let Some(thread) = self.thread() {
1397            if let Some(usage) = thread.read(cx).token_usage() {
1398                if let Some(ref mut tokens) = self.turn_tokens {
1399                    *tokens += usage.output_tokens;
1400                }
1401            }
1402        }
1403    }
1404
1405    fn send_impl(
1406        &mut self,
1407        message_editor: Entity<MessageEditor>,
1408        window: &mut Window,
1409        cx: &mut Context<Self>,
1410    ) {
1411        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1412            // Include full contents when using minimal profile
1413            let thread = thread.read(cx);
1414            AgentSettings::get_global(cx)
1415                .profiles
1416                .get(thread.profile())
1417                .is_some_and(|profile| profile.tools.is_empty())
1418        });
1419
1420        let contents = message_editor.update(cx, |message_editor, cx| {
1421            message_editor.contents(full_mention_content, cx)
1422        });
1423
1424        self.thread_error.take();
1425        self.editing_message.take();
1426        self.thread_feedback.clear();
1427
1428        if self.should_be_following {
1429            self.workspace
1430                .update(cx, |workspace, cx| {
1431                    workspace.follow(CollaboratorId::Agent, window, cx);
1432                })
1433                .ok();
1434        }
1435
1436        let contents_task = cx.spawn_in(window, async move |this, cx| {
1437            let (contents, tracked_buffers) = contents.await?;
1438
1439            if contents.is_empty() {
1440                return Ok(None);
1441            }
1442
1443            this.update_in(cx, |this, window, cx| {
1444                this.message_editor.update(cx, |message_editor, cx| {
1445                    message_editor.clear(window, cx);
1446                });
1447            })?;
1448
1449            Ok(Some((contents, tracked_buffers)))
1450        });
1451
1452        self.send_content(contents_task, window, cx);
1453    }
1454
1455    fn send_content(
1456        &mut self,
1457        contents_task: Task<anyhow::Result<Option<(Vec<acp::ContentBlock>, Vec<Entity<Buffer>>)>>>,
1458        window: &mut Window,
1459        cx: &mut Context<Self>,
1460    ) {
1461        let Some(thread) = self.thread() else {
1462            return;
1463        };
1464        let session_id = thread.read(cx).session_id().clone();
1465        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
1466        let thread = thread.downgrade();
1467
1468        self.is_loading_contents = true;
1469        let model_id = self.current_model_id(cx);
1470        let mode_id = self.current_mode_id(cx);
1471        let guard = cx.new(|_| ());
1472        cx.observe_release(&guard, |this, _guard, cx| {
1473            this.is_loading_contents = false;
1474            cx.notify();
1475        })
1476        .detach();
1477
1478        let task = cx.spawn_in(window, async move |this, cx| {
1479            let Some((contents, tracked_buffers)) = contents_task.await? else {
1480                return Ok(());
1481            };
1482
1483            let generation = this.update_in(cx, |this, _window, cx| {
1484                this.in_flight_prompt = Some(contents.clone());
1485                let generation = this.start_turn(cx);
1486                this.set_editor_is_expanded(false, cx);
1487                this.scroll_to_bottom(cx);
1488                generation
1489            })?;
1490
1491            let _stop_turn = defer({
1492                let this = this.clone();
1493                let mut cx = cx.clone();
1494                move || {
1495                    this.update(&mut cx, |this, cx| {
1496                        this.stop_turn(generation);
1497                        cx.notify();
1498                    })
1499                    .ok();
1500                }
1501            });
1502            let turn_start_time = Instant::now();
1503            let send = thread.update(cx, |thread, cx| {
1504                thread.action_log().update(cx, |action_log, cx| {
1505                    for buffer in tracked_buffers {
1506                        action_log.buffer_read(buffer, cx)
1507                    }
1508                });
1509                drop(guard);
1510
1511                telemetry::event!(
1512                    "Agent Message Sent",
1513                    agent = agent_telemetry_id,
1514                    session = session_id,
1515                    model = model_id,
1516                    mode = mode_id
1517                );
1518
1519                thread.send(contents, cx)
1520            })?;
1521            let res = send.await;
1522            let turn_time_ms = turn_start_time.elapsed().as_millis();
1523            drop(_stop_turn);
1524            let status = if res.is_ok() {
1525                this.update(cx, |this, _| this.in_flight_prompt.take()).ok();
1526                "success"
1527            } else {
1528                "failure"
1529            };
1530            telemetry::event!(
1531                "Agent Turn Completed",
1532                agent = agent_telemetry_id,
1533                session = session_id,
1534                model = model_id,
1535                mode = mode_id,
1536                status,
1537                turn_time_ms,
1538            );
1539            res
1540        });
1541
1542        cx.spawn(async move |this, cx| {
1543            if let Err(err) = task.await {
1544                this.update(cx, |this, cx| {
1545                    this.handle_thread_error(err, cx);
1546                })
1547                .ok();
1548            } else {
1549                this.update(cx, |this, cx| {
1550                    this.should_be_following = this
1551                        .workspace
1552                        .update(cx, |workspace, _| {
1553                            workspace.is_being_followed(CollaboratorId::Agent)
1554                        })
1555                        .unwrap_or_default();
1556                })
1557                .ok();
1558            }
1559        })
1560        .detach();
1561    }
1562
1563    fn queue_message(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1564        let is_idle = self
1565            .thread()
1566            .map(|t| t.read(cx).status() == acp_thread::ThreadStatus::Idle)
1567            .unwrap_or(true);
1568
1569        if is_idle {
1570            self.send_impl(self.message_editor.clone(), window, cx);
1571            return;
1572        }
1573
1574        let full_mention_content = self.as_native_thread(cx).is_some_and(|thread| {
1575            let thread = thread.read(cx);
1576            AgentSettings::get_global(cx)
1577                .profiles
1578                .get(thread.profile())
1579                .is_some_and(|profile| profile.tools.is_empty())
1580        });
1581
1582        let contents = self.message_editor.update(cx, |message_editor, cx| {
1583            message_editor.contents(full_mention_content, cx)
1584        });
1585
1586        let message_editor = self.message_editor.clone();
1587
1588        cx.spawn_in(window, async move |this, cx| {
1589            let (content, tracked_buffers) = contents.await?;
1590
1591            if content.is_empty() {
1592                return Ok::<(), anyhow::Error>(());
1593            }
1594
1595            this.update_in(cx, |this, window, cx| {
1596                this.message_queue.push(QueuedMessage {
1597                    content,
1598                    tracked_buffers,
1599                });
1600                message_editor.update(cx, |message_editor, cx| {
1601                    message_editor.clear(window, cx);
1602                });
1603                cx.notify();
1604            })?;
1605            Ok(())
1606        })
1607        .detach_and_log_err(cx);
1608    }
1609
1610    fn send_queued_message_at_index(
1611        &mut self,
1612        index: usize,
1613        is_send_now: bool,
1614        window: &mut Window,
1615        cx: &mut Context<Self>,
1616    ) {
1617        if index >= self.message_queue.len() {
1618            return;
1619        }
1620
1621        let queued = self.message_queue.remove(index);
1622        let content = queued.content;
1623        let tracked_buffers = queued.tracked_buffers;
1624
1625        let Some(thread) = self.thread().cloned() else {
1626            return;
1627        };
1628
1629        // Only increment skip count for "Send Now" operations (out-of-order sends)
1630        // Normal auto-processing from the Stopped handler doesn't need to skip
1631        if is_send_now {
1632            let is_generating = thread.read(cx).status() == acp_thread::ThreadStatus::Generating;
1633            self.skip_queue_processing_count += if is_generating { 2 } else { 1 };
1634        }
1635
1636        // Ensure we don't end up with multiple concurrent generations
1637        let cancelled = thread.update(cx, |thread, cx| thread.cancel(cx));
1638
1639        let should_be_following = self.should_be_following;
1640        let workspace = self.workspace.clone();
1641
1642        let contents_task = cx.spawn_in(window, async move |_this, cx| {
1643            cancelled.await;
1644            if should_be_following {
1645                workspace
1646                    .update_in(cx, |workspace, window, cx| {
1647                        workspace.follow(CollaboratorId::Agent, window, cx);
1648                    })
1649                    .ok();
1650            }
1651
1652            Ok(Some((content, tracked_buffers)))
1653        });
1654
1655        self.send_content(contents_task, window, cx);
1656    }
1657
1658    fn cancel_editing(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1659        let Some(thread) = self.thread().cloned() else {
1660            return;
1661        };
1662
1663        if let Some(index) = self.editing_message.take()
1664            && let Some(editor) = self
1665                .entry_view_state
1666                .read(cx)
1667                .entry(index)
1668                .and_then(|e| e.message_editor())
1669                .cloned()
1670        {
1671            editor.update(cx, |editor, cx| {
1672                if let Some(user_message) = thread
1673                    .read(cx)
1674                    .entries()
1675                    .get(index)
1676                    .and_then(|e| e.user_message())
1677                {
1678                    editor.set_message(user_message.chunks.clone(), window, cx);
1679                }
1680            })
1681        };
1682        self.focus_handle(cx).focus(window, cx);
1683        cx.notify();
1684    }
1685
1686    fn regenerate(
1687        &mut self,
1688        entry_ix: usize,
1689        message_editor: Entity<MessageEditor>,
1690        window: &mut Window,
1691        cx: &mut Context<Self>,
1692    ) {
1693        let Some(thread) = self.thread().cloned() else {
1694            return;
1695        };
1696        if self.is_loading_contents {
1697            return;
1698        }
1699
1700        let Some(user_message_id) = thread.update(cx, |thread, _| {
1701            thread.entries().get(entry_ix)?.user_message()?.id.clone()
1702        }) else {
1703            return;
1704        };
1705
1706        cx.spawn_in(window, async move |this, cx| {
1707            // Check if there are any edits from prompts before the one being regenerated.
1708            //
1709            // If there are, we keep/accept them since we're not regenerating the prompt that created them.
1710            //
1711            // If editing the prompt that generated the edits, they are auto-rejected
1712            // through the `rewind` function in the `acp_thread`.
1713            let has_earlier_edits = thread.read_with(cx, |thread, _| {
1714                thread
1715                    .entries()
1716                    .iter()
1717                    .take(entry_ix)
1718                    .any(|entry| entry.diffs().next().is_some())
1719            });
1720
1721            if has_earlier_edits {
1722                thread.update(cx, |thread, cx| {
1723                    thread.action_log().update(cx, |action_log, cx| {
1724                        action_log.keep_all_edits(None, cx);
1725                    });
1726                });
1727            }
1728
1729            thread
1730                .update(cx, |thread, cx| thread.rewind(user_message_id, cx))
1731                .await?;
1732            this.update_in(cx, |this, window, cx| {
1733                this.send_impl(message_editor, window, cx);
1734                this.focus_handle(cx).focus(window, cx);
1735            })?;
1736            anyhow::Ok(())
1737        })
1738        .detach_and_log_err(cx);
1739    }
1740
1741    fn open_edited_buffer(
1742        &mut self,
1743        buffer: &Entity<Buffer>,
1744        window: &mut Window,
1745        cx: &mut Context<Self>,
1746    ) {
1747        let Some(thread) = self.thread() else {
1748            return;
1749        };
1750
1751        let Some(diff) =
1752            AgentDiffPane::deploy(thread.clone(), self.workspace.clone(), window, cx).log_err()
1753        else {
1754            return;
1755        };
1756
1757        diff.update(cx, |diff, cx| {
1758            diff.move_to_path(PathKey::for_buffer(buffer, cx), window, cx)
1759        })
1760    }
1761
1762    fn handle_open_rules(&mut self, _: &ClickEvent, window: &mut Window, cx: &mut Context<Self>) {
1763        let Some(thread) = self.as_native_thread(cx) else {
1764            return;
1765        };
1766        let project_context = thread.read(cx).project_context().read(cx);
1767
1768        let project_entry_ids = project_context
1769            .worktrees
1770            .iter()
1771            .flat_map(|worktree| worktree.rules_file.as_ref())
1772            .map(|rules_file| ProjectEntryId::from_usize(rules_file.project_entry_id))
1773            .collect::<Vec<_>>();
1774
1775        self.workspace
1776            .update(cx, move |workspace, cx| {
1777                // TODO: Open a multibuffer instead? In some cases this doesn't make the set of rules
1778                // files clear. For example, if rules file 1 is already open but rules file 2 is not,
1779                // this would open and focus rules file 2 in a tab that is not next to rules file 1.
1780                let project = workspace.project().read(cx);
1781                let project_paths = project_entry_ids
1782                    .into_iter()
1783                    .flat_map(|entry_id| project.path_for_entry(entry_id, cx))
1784                    .collect::<Vec<_>>();
1785                for project_path in project_paths {
1786                    workspace
1787                        .open_path(project_path, None, true, window, cx)
1788                        .detach_and_log_err(cx);
1789                }
1790            })
1791            .ok();
1792    }
1793
1794    fn handle_thread_error(&mut self, error: anyhow::Error, cx: &mut Context<Self>) {
1795        self.thread_error = Some(ThreadError::from_err(error, &self.agent));
1796        cx.notify();
1797    }
1798
1799    fn clear_thread_error(&mut self, cx: &mut Context<Self>) {
1800        self.thread_error = None;
1801        self.thread_error_markdown = None;
1802        self.token_limit_callout_dismissed = true;
1803        cx.notify();
1804    }
1805
1806    fn handle_thread_event(
1807        &mut self,
1808        thread: &Entity<AcpThread>,
1809        event: &AcpThreadEvent,
1810        window: &mut Window,
1811        cx: &mut Context<Self>,
1812    ) {
1813        match event {
1814            AcpThreadEvent::NewEntry => {
1815                let len = thread.read(cx).entries().len();
1816                let index = len - 1;
1817                self.entry_view_state.update(cx, |view_state, cx| {
1818                    view_state.sync_entry(index, thread, window, cx);
1819                    self.list_state.splice_focusable(
1820                        index..index,
1821                        [view_state
1822                            .entry(index)
1823                            .and_then(|entry| entry.focus_handle(cx))],
1824                    );
1825                });
1826            }
1827            AcpThreadEvent::EntryUpdated(index) => {
1828                self.entry_view_state.update(cx, |view_state, cx| {
1829                    view_state.sync_entry(*index, thread, window, cx)
1830                });
1831            }
1832            AcpThreadEvent::EntriesRemoved(range) => {
1833                self.entry_view_state
1834                    .update(cx, |view_state, _cx| view_state.remove(range.clone()));
1835                self.list_state.splice(range.clone(), 0);
1836            }
1837            AcpThreadEvent::ToolAuthorizationRequired => {
1838                self.notify_with_sound("Waiting for tool confirmation", IconName::Info, window, cx);
1839            }
1840            AcpThreadEvent::Retry(retry) => {
1841                self.thread_retry_status = Some(retry.clone());
1842            }
1843            AcpThreadEvent::Stopped => {
1844                self.thread_retry_status.take();
1845                let used_tools = thread.read(cx).used_tools_since_last_user_message();
1846                self.notify_with_sound(
1847                    if used_tools {
1848                        "Finished running tools"
1849                    } else {
1850                        "New message"
1851                    },
1852                    IconName::ZedAssistant,
1853                    window,
1854                    cx,
1855                );
1856
1857                if self.skip_queue_processing_count > 0 {
1858                    self.skip_queue_processing_count -= 1;
1859                } else if self.user_interrupted_generation {
1860                    // Manual interruption: don't auto-process queue.
1861                    // Reset the flag so future completions can process normally.
1862                    self.user_interrupted_generation = false;
1863                } else if !self.message_queue.is_empty() {
1864                    self.send_queued_message_at_index(0, false, window, cx);
1865                }
1866            }
1867            AcpThreadEvent::Refusal => {
1868                self.thread_retry_status.take();
1869                self.thread_error = Some(ThreadError::Refusal);
1870                let model_or_agent_name = self.current_model_name(cx);
1871                let notification_message =
1872                    format!("{} refused to respond to this request", model_or_agent_name);
1873                self.notify_with_sound(&notification_message, IconName::Warning, window, cx);
1874            }
1875            AcpThreadEvent::Error => {
1876                self.thread_retry_status.take();
1877                self.notify_with_sound(
1878                    "Agent stopped due to an error",
1879                    IconName::Warning,
1880                    window,
1881                    cx,
1882                );
1883            }
1884            AcpThreadEvent::LoadError(error) => {
1885                self.thread_retry_status.take();
1886                self.thread_state = ThreadState::LoadError(error.clone());
1887                if self.message_editor.focus_handle(cx).is_focused(window) {
1888                    self.focus_handle.focus(window, cx)
1889                }
1890            }
1891            AcpThreadEvent::TitleUpdated => {
1892                let title = thread.read(cx).title();
1893                if let Some(title_editor) = self.title_editor() {
1894                    title_editor.update(cx, |editor, cx| {
1895                        if editor.text(cx) != title {
1896                            editor.set_text(title, window, cx);
1897                        }
1898                    });
1899                }
1900            }
1901            AcpThreadEvent::PromptCapabilitiesUpdated => {
1902                self.prompt_capabilities
1903                    .replace(thread.read(cx).prompt_capabilities());
1904            }
1905            AcpThreadEvent::TokenUsageUpdated => {
1906                self.update_turn_tokens(cx);
1907            }
1908            AcpThreadEvent::AvailableCommandsUpdated(available_commands) => {
1909                let mut available_commands = available_commands.clone();
1910
1911                if thread
1912                    .read(cx)
1913                    .connection()
1914                    .auth_methods()
1915                    .iter()
1916                    .any(|method| method.id.0.as_ref() == "claude-login")
1917                {
1918                    available_commands.push(acp::AvailableCommand::new("login", "Authenticate"));
1919                    available_commands.push(acp::AvailableCommand::new("logout", "Authenticate"));
1920                }
1921
1922                let has_commands = !available_commands.is_empty();
1923                self.available_commands.replace(available_commands);
1924
1925                let agent_display_name = self
1926                    .agent_server_store
1927                    .read(cx)
1928                    .agent_display_name(&ExternalAgentServerName(self.agent.name()))
1929                    .unwrap_or_else(|| self.agent.name());
1930
1931                let new_placeholder = placeholder_text(agent_display_name.as_ref(), has_commands);
1932
1933                self.message_editor.update(cx, |editor, cx| {
1934                    editor.set_placeholder_text(&new_placeholder, window, cx);
1935                });
1936            }
1937            AcpThreadEvent::ModeUpdated(_mode) => {
1938                // The connection keeps track of the mode
1939                cx.notify();
1940            }
1941            AcpThreadEvent::ConfigOptionsUpdated(_) => {
1942                // The watch task in ConfigOptionsView handles rebuilding selectors
1943                cx.notify();
1944            }
1945        }
1946        cx.notify();
1947    }
1948
1949    fn authenticate(
1950        &mut self,
1951        method: acp::AuthMethodId,
1952        window: &mut Window,
1953        cx: &mut Context<Self>,
1954    ) {
1955        let ThreadState::Unauthenticated {
1956            connection,
1957            pending_auth_method,
1958            configuration_view,
1959            ..
1960        } = &mut self.thread_state
1961        else {
1962            return;
1963        };
1964        let agent_telemetry_id = connection.telemetry_id();
1965
1966        // Check for the experimental "terminal-auth" _meta field
1967        let auth_method = connection.auth_methods().iter().find(|m| m.id == method);
1968
1969        if let Some(auth_method) = auth_method {
1970            if let Some(meta) = &auth_method.meta {
1971                if let Some(terminal_auth) = meta.get("terminal-auth") {
1972                    // Extract terminal auth details from meta
1973                    if let (Some(command), Some(label)) = (
1974                        terminal_auth.get("command").and_then(|v| v.as_str()),
1975                        terminal_auth.get("label").and_then(|v| v.as_str()),
1976                    ) {
1977                        let args = terminal_auth
1978                            .get("args")
1979                            .and_then(|v| v.as_array())
1980                            .map(|arr| {
1981                                arr.iter()
1982                                    .filter_map(|v| v.as_str().map(String::from))
1983                                    .collect()
1984                            })
1985                            .unwrap_or_default();
1986
1987                        let env = terminal_auth
1988                            .get("env")
1989                            .and_then(|v| v.as_object())
1990                            .map(|obj| {
1991                                obj.iter()
1992                                    .filter_map(|(k, v)| {
1993                                        v.as_str().map(|val| (k.clone(), val.to_string()))
1994                                    })
1995                                    .collect::<HashMap<String, String>>()
1996                            })
1997                            .unwrap_or_default();
1998
1999                        // Run SpawnInTerminal in the same dir as the ACP server
2000                        let cwd = connection
2001                            .clone()
2002                            .downcast::<agent_servers::AcpConnection>()
2003                            .map(|acp_conn| acp_conn.root_dir().to_path_buf());
2004
2005                        // Build SpawnInTerminal from _meta
2006                        let login = task::SpawnInTerminal {
2007                            id: task::TaskId(format!("external-agent-{}-login", label)),
2008                            full_label: label.to_string(),
2009                            label: label.to_string(),
2010                            command: Some(command.to_string()),
2011                            args,
2012                            command_label: label.to_string(),
2013                            cwd,
2014                            env,
2015                            use_new_terminal: true,
2016                            allow_concurrent_runs: true,
2017                            hide: task::HideStrategy::Always,
2018                            ..Default::default()
2019                        };
2020
2021                        self.thread_error.take();
2022                        configuration_view.take();
2023                        pending_auth_method.replace(method.clone());
2024
2025                        if let Some(workspace) = self.workspace.upgrade() {
2026                            let project = self.project.clone();
2027                            let authenticate = Self::spawn_external_agent_login(
2028                                login, workspace, project, false, true, window, cx,
2029                            );
2030                            cx.notify();
2031                            self.auth_task = Some(cx.spawn_in(window, {
2032                                async move |this, cx| {
2033                                    let result = authenticate.await;
2034
2035                                    match &result {
2036                                        Ok(_) => telemetry::event!(
2037                                            "Authenticate Agent Succeeded",
2038                                            agent = agent_telemetry_id
2039                                        ),
2040                                        Err(_) => {
2041                                            telemetry::event!(
2042                                                "Authenticate Agent Failed",
2043                                                agent = agent_telemetry_id,
2044                                            )
2045                                        }
2046                                    }
2047
2048                                    this.update_in(cx, |this, window, cx| {
2049                                        if let Err(err) = result {
2050                                            if let ThreadState::Unauthenticated {
2051                                                pending_auth_method,
2052                                                ..
2053                                            } = &mut this.thread_state
2054                                            {
2055                                                pending_auth_method.take();
2056                                            }
2057                                            this.handle_thread_error(err, cx);
2058                                        } else {
2059                                            this.reset(window, cx);
2060                                        }
2061                                        this.auth_task.take()
2062                                    })
2063                                    .ok();
2064                                }
2065                            }));
2066                        }
2067                        return;
2068                    }
2069                }
2070            }
2071        }
2072
2073        if method.0.as_ref() == "gemini-api-key" {
2074            let registry = LanguageModelRegistry::global(cx);
2075            let provider = registry
2076                .read(cx)
2077                .provider(&language_model::GOOGLE_PROVIDER_ID)
2078                .unwrap();
2079            if !provider.is_authenticated(cx) {
2080                let this = cx.weak_entity();
2081                let agent = self.agent.clone();
2082                let connection = connection.clone();
2083                window.defer(cx, |window, cx| {
2084                    Self::handle_auth_required(
2085                        this,
2086                        AuthRequired {
2087                            description: Some("GEMINI_API_KEY must be set".to_owned()),
2088                            provider_id: Some(language_model::GOOGLE_PROVIDER_ID),
2089                        },
2090                        agent,
2091                        connection,
2092                        window,
2093                        cx,
2094                    );
2095                });
2096                return;
2097            }
2098        } else if method.0.as_ref() == "vertex-ai"
2099            && std::env::var("GOOGLE_API_KEY").is_err()
2100            && (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()
2101                || (std::env::var("GOOGLE_CLOUD_PROJECT").is_err()))
2102        {
2103            let this = cx.weak_entity();
2104            let agent = self.agent.clone();
2105            let connection = connection.clone();
2106
2107            window.defer(cx, |window, cx| {
2108                    Self::handle_auth_required(
2109                        this,
2110                        AuthRequired {
2111                            description: Some(
2112                                "GOOGLE_API_KEY must be set in the environment to use Vertex AI authentication for Gemini CLI. Please export it and restart Zed."
2113                                    .to_owned(),
2114                            ),
2115                            provider_id: None,
2116                        },
2117                        agent,
2118                        connection,
2119                        window,
2120                        cx,
2121                    )
2122                });
2123            return;
2124        }
2125
2126        self.thread_error.take();
2127        configuration_view.take();
2128        pending_auth_method.replace(method.clone());
2129        let authenticate = if (method.0.as_ref() == "claude-login"
2130            || method.0.as_ref() == "spawn-gemini-cli")
2131            && let Some(login) = self.login.clone()
2132        {
2133            if let Some(workspace) = self.workspace.upgrade() {
2134                let project = self.project.clone();
2135                Self::spawn_external_agent_login(
2136                    login, workspace, project, false, false, window, cx,
2137                )
2138            } else {
2139                Task::ready(Ok(()))
2140            }
2141        } else {
2142            connection.authenticate(method, cx)
2143        };
2144        cx.notify();
2145        self.auth_task = Some(cx.spawn_in(window, {
2146            async move |this, cx| {
2147                let result = authenticate.await;
2148
2149                match &result {
2150                    Ok(_) => telemetry::event!(
2151                        "Authenticate Agent Succeeded",
2152                        agent = agent_telemetry_id
2153                    ),
2154                    Err(_) => {
2155                        telemetry::event!("Authenticate Agent Failed", agent = agent_telemetry_id,)
2156                    }
2157                }
2158
2159                this.update_in(cx, |this, window, cx| {
2160                    if let Err(err) = result {
2161                        if let ThreadState::Unauthenticated {
2162                            pending_auth_method,
2163                            ..
2164                        } = &mut this.thread_state
2165                        {
2166                            pending_auth_method.take();
2167                        }
2168                        this.handle_thread_error(err, cx);
2169                    } else {
2170                        this.reset(window, cx);
2171                    }
2172                    this.auth_task.take()
2173                })
2174                .ok();
2175            }
2176        }));
2177    }
2178
2179    fn spawn_external_agent_login(
2180        login: task::SpawnInTerminal,
2181        workspace: Entity<Workspace>,
2182        project: Entity<Project>,
2183        previous_attempt: bool,
2184        check_exit_code: bool,
2185        window: &mut Window,
2186        cx: &mut App,
2187    ) -> Task<Result<()>> {
2188        let Some(terminal_panel) = workspace.read(cx).panel::<TerminalPanel>(cx) else {
2189            return Task::ready(Ok(()));
2190        };
2191
2192        window.spawn(cx, async move |cx| {
2193            let mut task = login.clone();
2194            if let Some(cmd) = &task.command {
2195                // Have "node" command use Zed's managed Node runtime by default
2196                if cmd == "node" {
2197                    let resolved_node_runtime = project
2198                        .update(cx, |project, cx| {
2199                            let agent_server_store = project.agent_server_store().clone();
2200                            agent_server_store.update(cx, |store, cx| {
2201                                store.node_runtime().map(|node_runtime| {
2202                                    cx.background_spawn(async move {
2203                                        node_runtime.binary_path().await
2204                                    })
2205                                })
2206                            })
2207                        });
2208
2209                    if let Some(resolve_task) = resolved_node_runtime {
2210                        if let Ok(node_path) = resolve_task.await {
2211                            task.command = Some(node_path.to_string_lossy().to_string());
2212                        }
2213                    }
2214                }
2215            }
2216            task.shell = task::Shell::WithArguments {
2217                program: task.command.take().expect("login command should be set"),
2218                args: std::mem::take(&mut task.args),
2219                title_override: None
2220            };
2221            task.full_label = task.label.clone();
2222            task.id = task::TaskId(format!("external-agent-{}-login", task.label));
2223            task.command_label = task.label.clone();
2224            task.use_new_terminal = true;
2225            task.allow_concurrent_runs = true;
2226            task.hide = task::HideStrategy::Always;
2227
2228            let terminal = terminal_panel
2229                .update_in(cx, |terminal_panel, window, cx| {
2230                    terminal_panel.spawn_task(&task, window, cx)
2231                })?
2232                .await?;
2233
2234            if check_exit_code {
2235                // For extension-based auth, wait for the process to exit and check exit code
2236                let exit_status = terminal
2237                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
2238                    .await;
2239
2240                match exit_status {
2241                    Some(status) if status.success() => {
2242                        Ok(())
2243                    }
2244                    Some(status) => {
2245                        Err(anyhow!("Login command failed with exit code: {:?}", status.code()))
2246                    }
2247                    None => {
2248                        Err(anyhow!("Login command terminated without exit status"))
2249                    }
2250                }
2251            } else {
2252                // For hardcoded agents (claude-login, gemini-cli): look for specific output
2253                let mut exit_status = terminal
2254                    .read_with(cx, |terminal, cx| terminal.wait_for_completed_task(cx))?
2255                    .fuse();
2256
2257                let logged_in = cx
2258                    .spawn({
2259                        let terminal = terminal.clone();
2260                        async move |cx| {
2261                            loop {
2262                                cx.background_executor().timer(Duration::from_secs(1)).await;
2263                                let content =
2264                                    terminal.update(cx, |terminal, _cx| terminal.get_content())?;
2265                                if content.contains("Login successful")
2266                                    || content.contains("Type your message")
2267                                {
2268                                    return anyhow::Ok(());
2269                                }
2270                            }
2271                        }
2272                    })
2273                    .fuse();
2274                futures::pin_mut!(logged_in);
2275                futures::select_biased! {
2276                    result = logged_in => {
2277                        if let Err(e) = result {
2278                            log::error!("{e}");
2279                            return Err(anyhow!("exited before logging in"));
2280                        }
2281                    }
2282                    _ = exit_status => {
2283                        if !previous_attempt && project.read_with(cx, |project, _| project.is_via_remote_server()) && login.label.contains("gemini") {
2284                            return cx.update(|window, cx| Self::spawn_external_agent_login(login, workspace, project.clone(), true, false, window, cx))?.await
2285                        }
2286                        return Err(anyhow!("exited before logging in"));
2287                    }
2288                }
2289                terminal.update(cx, |terminal, _| terminal.kill_active_task())?;
2290                Ok(())
2291            }
2292        })
2293    }
2294
2295    pub fn has_user_submitted_prompt(&self, cx: &App) -> bool {
2296        self.thread().is_some_and(|thread| {
2297            thread.read(cx).entries().iter().any(|entry| {
2298                matches!(
2299                    entry,
2300                    AgentThreadEntry::UserMessage(user_message) if user_message.id.is_some()
2301                )
2302            })
2303        })
2304    }
2305
2306    fn authorize_tool_call(
2307        &mut self,
2308        tool_call_id: acp::ToolCallId,
2309        option_id: acp::PermissionOptionId,
2310        option_kind: acp::PermissionOptionKind,
2311        window: &mut Window,
2312        cx: &mut Context<Self>,
2313    ) {
2314        let Some(thread) = self.thread() else {
2315            return;
2316        };
2317        let agent_telemetry_id = thread.read(cx).connection().telemetry_id();
2318
2319        telemetry::event!(
2320            "Agent Tool Call Authorized",
2321            agent = agent_telemetry_id,
2322            session = thread.read(cx).session_id(),
2323            option = option_kind
2324        );
2325
2326        thread.update(cx, |thread, cx| {
2327            thread.authorize_tool_call(tool_call_id, option_id, option_kind, cx);
2328        });
2329        if self.should_be_following {
2330            self.workspace
2331                .update(cx, |workspace, cx| {
2332                    workspace.follow(CollaboratorId::Agent, window, cx);
2333                })
2334                .ok();
2335        }
2336        cx.notify();
2337    }
2338
2339    fn restore_checkpoint(&mut self, message_id: &UserMessageId, cx: &mut Context<Self>) {
2340        let Some(thread) = self.thread() else {
2341            return;
2342        };
2343
2344        thread
2345            .update(cx, |thread, cx| {
2346                thread.restore_checkpoint(message_id.clone(), cx)
2347            })
2348            .detach_and_log_err(cx);
2349    }
2350
2351    fn render_entry(
2352        &self,
2353        entry_ix: usize,
2354        total_entries: usize,
2355        entry: &AgentThreadEntry,
2356        window: &mut Window,
2357        cx: &Context<Self>,
2358    ) -> AnyElement {
2359        let is_indented = entry.is_indented();
2360        let is_first_indented = is_indented
2361            && self.thread().is_some_and(|thread| {
2362                thread
2363                    .read(cx)
2364                    .entries()
2365                    .get(entry_ix.saturating_sub(1))
2366                    .is_none_or(|entry| !entry.is_indented())
2367            });
2368
2369        let primary = match &entry {
2370            AgentThreadEntry::UserMessage(message) => {
2371                let Some(editor) = self
2372                    .entry_view_state
2373                    .read(cx)
2374                    .entry(entry_ix)
2375                    .and_then(|entry| entry.message_editor())
2376                    .cloned()
2377                else {
2378                    return Empty.into_any_element();
2379                };
2380
2381                let editing = self.editing_message == Some(entry_ix);
2382                let editor_focus = editor.focus_handle(cx).is_focused(window);
2383                let focus_border = cx.theme().colors().border_focused;
2384
2385                let rules_item = if entry_ix == 0 {
2386                    self.render_rules_item(cx)
2387                } else {
2388                    None
2389                };
2390
2391                let has_checkpoint_button = message
2392                    .checkpoint
2393                    .as_ref()
2394                    .is_some_and(|checkpoint| checkpoint.show);
2395
2396                let agent_name = self.agent.name();
2397
2398                v_flex()
2399                    .id(("user_message", entry_ix))
2400                    .map(|this| {
2401                        if is_first_indented {
2402                            this.pt_0p5()
2403                        } else if entry_ix == 0 && !has_checkpoint_button && rules_item.is_none()  {
2404                            this.pt(rems_from_px(18.))
2405                        } else if rules_item.is_some() {
2406                            this.pt_3()
2407                        } else {
2408                            this.pt_2()
2409                        }
2410                    })
2411                    .pb_3()
2412                    .px_2()
2413                    .gap_1p5()
2414                    .w_full()
2415                    .children(rules_item)
2416                    .children(message.id.clone().and_then(|message_id| {
2417                        message.checkpoint.as_ref()?.show.then(|| {
2418                            h_flex()
2419                                .px_3()
2420                                .gap_2()
2421                                .child(Divider::horizontal())
2422                                .child(
2423                                    Button::new("restore-checkpoint", "Restore Checkpoint")
2424                                        .icon(IconName::Undo)
2425                                        .icon_size(IconSize::XSmall)
2426                                        .icon_position(IconPosition::Start)
2427                                        .label_size(LabelSize::XSmall)
2428                                        .icon_color(Color::Muted)
2429                                        .color(Color::Muted)
2430                                        .tooltip(Tooltip::text("Restores all files in the project to the content they had at this point in the conversation."))
2431                                        .on_click(cx.listener(move |this, _, _window, cx| {
2432                                            this.restore_checkpoint(&message_id, cx);
2433                                        }))
2434                                )
2435                                .child(Divider::horizontal())
2436                        })
2437                    }))
2438                    .child(
2439                        div()
2440                            .relative()
2441                            .child(
2442                                div()
2443                                    .py_3()
2444                                    .px_2()
2445                                    .rounded_md()
2446                                    .shadow_md()
2447                                    .bg(cx.theme().colors().editor_background)
2448                                    .border_1()
2449                                    .when(is_indented, |this| {
2450                                        this.py_2().px_2().shadow_sm()
2451                                    })
2452                                    .when(editing && !editor_focus, |this| this.border_dashed())
2453                                    .border_color(cx.theme().colors().border)
2454                                    .map(|this|{
2455                                        if editing && editor_focus {
2456                                            this.border_color(focus_border)
2457                                        } else if message.id.is_some() {
2458                                            this.hover(|s| s.border_color(focus_border.opacity(0.8)))
2459                                        } else {
2460                                            this
2461                                        }
2462                                    })
2463                                    .text_xs()
2464                                    .child(editor.clone().into_any_element())
2465                            )
2466                            .when(editor_focus, |this| {
2467                                let base_container = h_flex()
2468                                    .absolute()
2469                                    .top_neg_3p5()
2470                                    .right_3()
2471                                    .gap_1()
2472                                    .rounded_sm()
2473                                    .border_1()
2474                                    .border_color(cx.theme().colors().border)
2475                                    .bg(cx.theme().colors().editor_background)
2476                                    .overflow_hidden();
2477
2478                                if message.id.is_some() {
2479                                    this.child(
2480                                        base_container
2481                                            .child(
2482                                                IconButton::new("cancel", IconName::Close)
2483                                                    .disabled(self.is_loading_contents)
2484                                                    .icon_color(Color::Error)
2485                                                    .icon_size(IconSize::XSmall)
2486                                                    .on_click(cx.listener(Self::cancel_editing))
2487                                            )
2488                                            .child(
2489                                                if self.is_loading_contents {
2490                                                    div()
2491                                                        .id("loading-edited-message-content")
2492                                                        .tooltip(Tooltip::text("Loading Added Context…"))
2493                                                        .child(loading_contents_spinner(IconSize::XSmall))
2494                                                        .into_any_element()
2495                                                } else {
2496                                                    IconButton::new("regenerate", IconName::Return)
2497                                                        .icon_color(Color::Muted)
2498                                                        .icon_size(IconSize::XSmall)
2499                                                        .tooltip(Tooltip::text(
2500                                                            "Editing will restart the thread from this point."
2501                                                        ))
2502                                                        .on_click(cx.listener({
2503                                                            let editor = editor.clone();
2504                                                            move |this, _, window, cx| {
2505                                                                this.regenerate(
2506                                                                    entry_ix, editor.clone(), window, cx,
2507                                                                );
2508                                                            }
2509                                                        })).into_any_element()
2510                                                }
2511                                            )
2512                                    )
2513                                } else {
2514                                    this.child(
2515                                        base_container
2516                                            .border_dashed()
2517                                            .child(
2518                                                IconButton::new("editing_unavailable", IconName::PencilUnavailable)
2519                                                    .icon_size(IconSize::Small)
2520                                                    .icon_color(Color::Muted)
2521                                                    .style(ButtonStyle::Transparent)
2522                                                    .tooltip(Tooltip::element({
2523                                                        move |_, _| {
2524                                                            v_flex()
2525                                                                .gap_1()
2526                                                                .child(Label::new("Unavailable Editing")).child(
2527                                                                    div().max_w_64().child(
2528                                                                        Label::new(format!(
2529                                                                            "Editing previous messages is not available for {} yet.",
2530                                                                            agent_name.clone()
2531                                                                        ))
2532                                                                        .size(LabelSize::Small)
2533                                                                        .color(Color::Muted),
2534                                                                    ),
2535                                                                )
2536                                                                .into_any_element()
2537                                                        }
2538                                                    }))
2539                                            )
2540                                    )
2541                                }
2542                            }),
2543                    )
2544                    .into_any()
2545            }
2546            AgentThreadEntry::AssistantMessage(AssistantMessage {
2547                chunks,
2548                indented: _,
2549            }) => {
2550                let mut is_blank = true;
2551                let is_last = entry_ix + 1 == total_entries;
2552
2553                let style = default_markdown_style(false, false, window, cx);
2554                let message_body = v_flex()
2555                    .w_full()
2556                    .gap_3()
2557                    .children(chunks.iter().enumerate().filter_map(
2558                        |(chunk_ix, chunk)| match chunk {
2559                            AssistantMessageChunk::Message { block } => {
2560                                block.markdown().and_then(|md| {
2561                                    let this_is_blank = md.read(cx).source().trim().is_empty();
2562                                    is_blank = is_blank && this_is_blank;
2563                                    if this_is_blank {
2564                                        return None;
2565                                    }
2566
2567                                    Some(
2568                                        self.render_markdown(md.clone(), style.clone())
2569                                            .into_any_element(),
2570                                    )
2571                                })
2572                            }
2573                            AssistantMessageChunk::Thought { block } => {
2574                                block.markdown().and_then(|md| {
2575                                    let this_is_blank = md.read(cx).source().trim().is_empty();
2576                                    is_blank = is_blank && this_is_blank;
2577                                    if this_is_blank {
2578                                        return None;
2579                                    }
2580                                    Some(
2581                                        self.render_thinking_block(
2582                                            entry_ix,
2583                                            chunk_ix,
2584                                            md.clone(),
2585                                            window,
2586                                            cx,
2587                                        )
2588                                        .into_any_element(),
2589                                    )
2590                                })
2591                            }
2592                        },
2593                    ))
2594                    .into_any();
2595
2596                if is_blank {
2597                    Empty.into_any()
2598                } else {
2599                    v_flex()
2600                        .px_5()
2601                        .py_1p5()
2602                        .when(is_last, |this| this.pb_4())
2603                        .w_full()
2604                        .text_ui(cx)
2605                        .child(self.render_message_context_menu(entry_ix, message_body, cx))
2606                        .into_any()
2607                }
2608            }
2609            AgentThreadEntry::ToolCall(tool_call) => {
2610                let has_terminals = tool_call.terminals().next().is_some();
2611
2612                div()
2613                    .w_full()
2614                    .map(|this| {
2615                        if has_terminals {
2616                            this.children(tool_call.terminals().map(|terminal| {
2617                                self.render_terminal_tool_call(
2618                                    entry_ix, terminal, tool_call, window, cx,
2619                                )
2620                            }))
2621                        } else {
2622                            this.child(self.render_tool_call(entry_ix, tool_call, window, cx))
2623                        }
2624                    })
2625                    .into_any()
2626            }
2627        };
2628
2629        let primary = if is_indented {
2630            let line_top = if is_first_indented {
2631                rems_from_px(-12.0)
2632            } else {
2633                rems_from_px(0.0)
2634            };
2635
2636            div()
2637                .relative()
2638                .w_full()
2639                .pl_5()
2640                .bg(cx.theme().colors().panel_background.opacity(0.2))
2641                .child(
2642                    div()
2643                        .absolute()
2644                        .left(rems_from_px(18.0))
2645                        .top(line_top)
2646                        .bottom_0()
2647                        .w_px()
2648                        .bg(cx.theme().colors().border.opacity(0.6)),
2649                )
2650                .child(primary)
2651                .into_any_element()
2652        } else {
2653            primary
2654        };
2655
2656        let needs_confirmation = if let AgentThreadEntry::ToolCall(tool_call) = entry {
2657            matches!(
2658                tool_call.status,
2659                ToolCallStatus::WaitingForConfirmation { .. }
2660            )
2661        } else {
2662            false
2663        };
2664
2665        let Some(thread) = self.thread() else {
2666            return primary;
2667        };
2668
2669        let primary = if entry_ix == total_entries - 1 {
2670            v_flex()
2671                .w_full()
2672                .child(primary)
2673                .map(|this| {
2674                    if needs_confirmation {
2675                        this.child(self.render_generating(true, cx))
2676                    } else {
2677                        this.child(self.render_thread_controls(&thread, cx))
2678                    }
2679                })
2680                .when_some(
2681                    self.thread_feedback.comments_editor.clone(),
2682                    |this, editor| this.child(Self::render_feedback_feedback_editor(editor, cx)),
2683                )
2684                .into_any_element()
2685        } else {
2686            primary
2687        };
2688
2689        if let Some(editing_index) = self.editing_message.as_ref()
2690            && *editing_index < entry_ix
2691        {
2692            let backdrop = div()
2693                .id(("backdrop", entry_ix))
2694                .size_full()
2695                .absolute()
2696                .inset_0()
2697                .bg(cx.theme().colors().panel_background)
2698                .opacity(0.8)
2699                .block_mouse_except_scroll()
2700                .on_click(cx.listener(Self::cancel_editing));
2701
2702            div()
2703                .relative()
2704                .child(primary)
2705                .child(backdrop)
2706                .into_any_element()
2707        } else {
2708            primary
2709        }
2710    }
2711
2712    fn render_message_context_menu(
2713        &self,
2714        entry_ix: usize,
2715        message_body: AnyElement,
2716        cx: &Context<Self>,
2717    ) -> AnyElement {
2718        let entity = cx.entity();
2719        let workspace = self.workspace.clone();
2720
2721        right_click_menu(format!("agent_context_menu-{}", entry_ix))
2722            .trigger(move |_, _, _| message_body)
2723            .menu(move |window, cx| {
2724                let focus = window.focused(cx);
2725                let entity = entity.clone();
2726                let workspace = workspace.clone();
2727
2728                ContextMenu::build(window, cx, move |menu, _, cx| {
2729                    let is_at_top = entity.read(cx).list_state.logical_scroll_top().item_ix == 0;
2730
2731                    let scroll_item = if is_at_top {
2732                        ContextMenuEntry::new("Scroll to Bottom").handler({
2733                            let entity = entity.clone();
2734                            move |_, cx| {
2735                                entity.update(cx, |this, cx| {
2736                                    this.scroll_to_bottom(cx);
2737                                });
2738                            }
2739                        })
2740                    } else {
2741                        ContextMenuEntry::new("Scroll to Top").handler({
2742                            let entity = entity.clone();
2743                            move |_, cx| {
2744                                entity.update(cx, |this, cx| {
2745                                    this.scroll_to_top(cx);
2746                                });
2747                            }
2748                        })
2749                    };
2750
2751                    let open_thread_as_markdown = ContextMenuEntry::new("Open Thread as Markdown")
2752                        .handler({
2753                            let entity = entity.clone();
2754                            let workspace = workspace.clone();
2755                            move |window, cx| {
2756                                if let Some(workspace) = workspace.upgrade() {
2757                                    entity
2758                                        .update(cx, |this, cx| {
2759                                            this.open_thread_as_markdown(workspace, window, cx)
2760                                        })
2761                                        .detach_and_log_err(cx);
2762                                }
2763                            }
2764                        });
2765
2766                    menu.when_some(focus, |menu, focus| menu.context(focus))
2767                        .action("Copy", Box::new(markdown::CopyAsMarkdown))
2768                        .separator()
2769                        .item(scroll_item)
2770                        .item(open_thread_as_markdown)
2771                })
2772            })
2773            .into_any_element()
2774    }
2775
2776    fn tool_card_header_bg(&self, cx: &Context<Self>) -> Hsla {
2777        cx.theme()
2778            .colors()
2779            .element_background
2780            .blend(cx.theme().colors().editor_foreground.opacity(0.025))
2781    }
2782
2783    fn tool_card_border_color(&self, cx: &Context<Self>) -> Hsla {
2784        cx.theme().colors().border.opacity(0.8)
2785    }
2786
2787    fn tool_name_font_size(&self) -> Rems {
2788        rems_from_px(13.)
2789    }
2790
2791    fn render_thinking_block(
2792        &self,
2793        entry_ix: usize,
2794        chunk_ix: usize,
2795        chunk: Entity<Markdown>,
2796        window: &Window,
2797        cx: &Context<Self>,
2798    ) -> AnyElement {
2799        let header_id = SharedString::from(format!("thinking-block-header-{}", entry_ix));
2800        let card_header_id = SharedString::from("inner-card-header");
2801
2802        let key = (entry_ix, chunk_ix);
2803
2804        let is_open = self.expanded_thinking_blocks.contains(&key);
2805
2806        let scroll_handle = self
2807            .entry_view_state
2808            .read(cx)
2809            .entry(entry_ix)
2810            .and_then(|entry| entry.scroll_handle_for_assistant_message_chunk(chunk_ix));
2811
2812        let thinking_content = {
2813            div()
2814                .id(("thinking-content", chunk_ix))
2815                .when_some(scroll_handle, |this, scroll_handle| {
2816                    this.track_scroll(&scroll_handle)
2817                })
2818                .text_ui_sm(cx)
2819                .overflow_hidden()
2820                .child(
2821                    self.render_markdown(chunk, default_markdown_style(false, false, window, cx)),
2822                )
2823        };
2824
2825        v_flex()
2826            .gap_1()
2827            .child(
2828                h_flex()
2829                    .id(header_id)
2830                    .group(&card_header_id)
2831                    .relative()
2832                    .w_full()
2833                    .pr_1()
2834                    .justify_between()
2835                    .child(
2836                        h_flex()
2837                            .h(window.line_height() - px(2.))
2838                            .gap_1p5()
2839                            .overflow_hidden()
2840                            .child(
2841                                Icon::new(IconName::ToolThink)
2842                                    .size(IconSize::Small)
2843                                    .color(Color::Muted),
2844                            )
2845                            .child(
2846                                div()
2847                                    .text_size(self.tool_name_font_size())
2848                                    .text_color(cx.theme().colors().text_muted)
2849                                    .child("Thinking"),
2850                            ),
2851                    )
2852                    .child(
2853                        Disclosure::new(("expand", entry_ix), is_open)
2854                            .opened_icon(IconName::ChevronUp)
2855                            .closed_icon(IconName::ChevronDown)
2856                            .visible_on_hover(&card_header_id)
2857                            .on_click(cx.listener({
2858                                move |this, _event, _window, cx| {
2859                                    if is_open {
2860                                        this.expanded_thinking_blocks.remove(&key);
2861                                    } else {
2862                                        this.expanded_thinking_blocks.insert(key);
2863                                    }
2864                                    cx.notify();
2865                                }
2866                            })),
2867                    )
2868                    .on_click(cx.listener({
2869                        move |this, _event, _window, cx| {
2870                            if is_open {
2871                                this.expanded_thinking_blocks.remove(&key);
2872                            } else {
2873                                this.expanded_thinking_blocks.insert(key);
2874                            }
2875                            cx.notify();
2876                        }
2877                    })),
2878            )
2879            .when(is_open, |this| {
2880                this.child(
2881                    div()
2882                        .ml_1p5()
2883                        .pl_3p5()
2884                        .border_l_1()
2885                        .border_color(self.tool_card_border_color(cx))
2886                        .child(thinking_content),
2887                )
2888            })
2889            .into_any_element()
2890    }
2891
2892    fn render_tool_call(
2893        &self,
2894        entry_ix: usize,
2895        tool_call: &ToolCall,
2896        window: &Window,
2897        cx: &Context<Self>,
2898    ) -> Div {
2899        let has_location = tool_call.locations.len() == 1;
2900        let card_header_id = SharedString::from("inner-tool-call-header");
2901
2902        let failed_or_canceled = match &tool_call.status {
2903            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed => true,
2904            _ => false,
2905        };
2906
2907        let needs_confirmation = matches!(
2908            tool_call.status,
2909            ToolCallStatus::WaitingForConfirmation { .. }
2910        );
2911        let is_terminal_tool = matches!(tool_call.kind, acp::ToolKind::Execute);
2912        let is_edit =
2913            matches!(tool_call.kind, acp::ToolKind::Edit) || tool_call.diffs().next().is_some();
2914
2915        let use_card_layout = needs_confirmation || is_edit || is_terminal_tool;
2916
2917        let has_image_content = tool_call.content.iter().any(|c| c.image().is_some());
2918        let is_collapsible = !tool_call.content.is_empty() && !needs_confirmation;
2919        let is_open = needs_confirmation || self.expanded_tool_calls.contains(&tool_call.id);
2920
2921        let should_show_raw_input = !is_terminal_tool && !is_edit && !has_image_content;
2922
2923        let input_output_header = |label: SharedString| {
2924            Label::new(label)
2925                .size(LabelSize::XSmall)
2926                .color(Color::Muted)
2927                .buffer_font(cx)
2928        };
2929
2930        let tool_output_display = if is_open {
2931            match &tool_call.status {
2932                ToolCallStatus::WaitingForConfirmation { options, .. } => v_flex()
2933                    .w_full()
2934                    .children(
2935                        tool_call
2936                            .content
2937                            .iter()
2938                            .enumerate()
2939                            .map(|(content_ix, content)| {
2940                                div()
2941                                    .child(self.render_tool_call_content(
2942                                        entry_ix,
2943                                        content,
2944                                        content_ix,
2945                                        tool_call,
2946                                        use_card_layout,
2947                                        has_image_content,
2948                                        window,
2949                                        cx,
2950                                    ))
2951                                    .into_any_element()
2952                            }),
2953                    )
2954                    .when(should_show_raw_input, |this| {
2955                        let is_raw_input_expanded =
2956                            self.expanded_tool_call_raw_inputs.contains(&tool_call.id);
2957
2958                        let input_header = if is_raw_input_expanded {
2959                            "Raw Input:"
2960                        } else {
2961                            "View Raw Input"
2962                        };
2963
2964                        this.child(
2965                            v_flex()
2966                                .p_2()
2967                                .gap_1()
2968                                .border_t_1()
2969                                .border_color(self.tool_card_border_color(cx))
2970                                .child(
2971                                    h_flex()
2972                                        .id("disclosure_container")
2973                                        .pl_0p5()
2974                                        .gap_1()
2975                                        .justify_between()
2976                                        .rounded_xs()
2977                                        .hover(|s| s.bg(cx.theme().colors().element_hover))
2978                                        .child(input_output_header(input_header.into()))
2979                                        .child(
2980                                            Disclosure::new(
2981                                                ("raw-input-disclosure", entry_ix),
2982                                                is_raw_input_expanded,
2983                                            )
2984                                            .opened_icon(IconName::ChevronUp)
2985                                            .closed_icon(IconName::ChevronDown),
2986                                        )
2987                                        .on_click(cx.listener({
2988                                            let id = tool_call.id.clone();
2989
2990                                            move |this: &mut Self, _, _, cx| {
2991                                                if this.expanded_tool_call_raw_inputs.contains(&id)
2992                                                {
2993                                                    this.expanded_tool_call_raw_inputs.remove(&id);
2994                                                } else {
2995                                                    this.expanded_tool_call_raw_inputs
2996                                                        .insert(id.clone());
2997                                                }
2998                                                cx.notify();
2999                                            }
3000                                        })),
3001                                )
3002                                .when(is_raw_input_expanded, |this| {
3003                                    this.children(tool_call.raw_input_markdown.clone().map(
3004                                        |input| {
3005                                            self.render_markdown(
3006                                                input,
3007                                                default_markdown_style(false, false, window, cx),
3008                                            )
3009                                        },
3010                                    ))
3011                                }),
3012                        )
3013                    })
3014                    .child(self.render_permission_buttons(
3015                        tool_call.kind,
3016                        options,
3017                        entry_ix,
3018                        tool_call.id.clone(),
3019                        cx,
3020                    ))
3021                    .into_any(),
3022                ToolCallStatus::Pending | ToolCallStatus::InProgress
3023                    if is_edit
3024                        && tool_call.content.is_empty()
3025                        && self.as_native_connection(cx).is_some() =>
3026                {
3027                    self.render_diff_loading(cx).into_any()
3028                }
3029                ToolCallStatus::Pending
3030                | ToolCallStatus::InProgress
3031                | ToolCallStatus::Completed
3032                | ToolCallStatus::Failed
3033                | ToolCallStatus::Canceled => {
3034                    v_flex()
3035                        .when(should_show_raw_input, |this| {
3036                            this.mt_1p5().w_full().child(
3037                                v_flex()
3038                                    .ml(rems(0.4))
3039                                    .px_3p5()
3040                                    .pb_1()
3041                                    .gap_1()
3042                                    .border_l_1()
3043                                    .border_color(self.tool_card_border_color(cx))
3044                                    .child(input_output_header("Raw Input:".into()))
3045                                    .children(tool_call.raw_input_markdown.clone().map(|input| {
3046                                        div().id(("tool-call-raw-input-markdown", entry_ix)).child(
3047                                            self.render_markdown(
3048                                                input,
3049                                                default_markdown_style(false, false, window, cx),
3050                                            ),
3051                                        )
3052                                    }))
3053                                    .child(input_output_header("Output:".into())),
3054                            )
3055                        })
3056                        .children(tool_call.content.iter().enumerate().map(
3057                            |(content_ix, content)| {
3058                                div().id(("tool-call-output", entry_ix)).child(
3059                                    self.render_tool_call_content(
3060                                        entry_ix,
3061                                        content,
3062                                        content_ix,
3063                                        tool_call,
3064                                        use_card_layout,
3065                                        has_image_content,
3066                                        window,
3067                                        cx,
3068                                    ),
3069                                )
3070                            },
3071                        ))
3072                        .into_any()
3073                }
3074                ToolCallStatus::Rejected => Empty.into_any(),
3075            }
3076            .into()
3077        } else {
3078            None
3079        };
3080
3081        v_flex()
3082            .map(|this| {
3083                if use_card_layout {
3084                    this.my_1p5()
3085                        .rounded_md()
3086                        .border_1()
3087                        .border_color(self.tool_card_border_color(cx))
3088                        .bg(cx.theme().colors().editor_background)
3089                        .overflow_hidden()
3090                } else {
3091                    this.my_1()
3092                }
3093            })
3094            .map(|this| {
3095                if has_location && !use_card_layout {
3096                    this.ml_4()
3097                } else {
3098                    this.ml_5()
3099                }
3100            })
3101            .mr_5()
3102            .map(|this| {
3103                if is_terminal_tool {
3104                    this.child(
3105                        v_flex()
3106                            .p_1p5()
3107                            .gap_0p5()
3108                            .text_ui_sm(cx)
3109                            .bg(self.tool_card_header_bg(cx))
3110                            .child(
3111                                Label::new("Run Command")
3112                                    .buffer_font(cx)
3113                                    .size(LabelSize::XSmall)
3114                                    .color(Color::Muted),
3115                            )
3116                            .child(
3117                                MarkdownElement::new(
3118                                    tool_call.label.clone(),
3119                                    terminal_command_markdown_style(window, cx),
3120                                )
3121                                .code_block_renderer(
3122                                    markdown::CodeBlockRenderer::Default {
3123                                        copy_button: false,
3124                                        copy_button_on_hover: false,
3125                                        border: false,
3126                                    },
3127                                )
3128                            ),
3129                    )
3130                } else {
3131                   this.child(
3132                        h_flex()
3133                            .group(&card_header_id)
3134                            .relative()
3135                            .w_full()
3136                            .gap_1()
3137                            .justify_between()
3138                            .when(use_card_layout, |this| {
3139                                this.p_0p5()
3140                                    .rounded_t(rems_from_px(5.))
3141                                    .bg(self.tool_card_header_bg(cx))
3142                            })
3143                            .child(self.render_tool_call_label(
3144                                entry_ix,
3145                                tool_call,
3146                                is_edit,
3147                                use_card_layout,
3148                                window,
3149                                cx,
3150                            ))
3151                            .when(is_collapsible || failed_or_canceled, |this| {
3152                                this.child(
3153                                    h_flex()
3154                                        .px_1()
3155                                        .gap_px()
3156                                        .when(is_collapsible, |this| {
3157                                            this.child(
3158                                            Disclosure::new(("expand-output", entry_ix), is_open)
3159                                                .opened_icon(IconName::ChevronUp)
3160                                                .closed_icon(IconName::ChevronDown)
3161                                                .visible_on_hover(&card_header_id)
3162                                                .on_click(cx.listener({
3163                                                    let id = tool_call.id.clone();
3164                                                    move |this: &mut Self, _, _, cx: &mut Context<Self>| {
3165                                                        if is_open {
3166                                                            this.expanded_tool_calls.remove(&id);
3167                                                        } else {
3168                                                            this.expanded_tool_calls.insert(id.clone());
3169                                                        }
3170                                                        cx.notify();
3171                                                    }
3172                                                })),
3173                                        )
3174                                        })
3175                                        .when(failed_or_canceled, |this| {
3176                                            this.child(
3177                                                Icon::new(IconName::Close)
3178                                                    .color(Color::Error)
3179                                                    .size(IconSize::Small),
3180                                            )
3181                                        }),
3182                                )
3183                            }),
3184                    )
3185                }
3186            })
3187            .children(tool_output_display)
3188    }
3189
3190    fn render_tool_call_label(
3191        &self,
3192        entry_ix: usize,
3193        tool_call: &ToolCall,
3194        is_edit: bool,
3195        use_card_layout: bool,
3196        window: &Window,
3197        cx: &Context<Self>,
3198    ) -> Div {
3199        let has_location = tool_call.locations.len() == 1;
3200
3201        let tool_icon = if tool_call.kind == acp::ToolKind::Edit && has_location {
3202            FileIcons::get_icon(&tool_call.locations[0].path, cx)
3203                .map(Icon::from_path)
3204                .unwrap_or(Icon::new(IconName::ToolPencil))
3205        } else {
3206            Icon::new(match tool_call.kind {
3207                acp::ToolKind::Read => IconName::ToolSearch,
3208                acp::ToolKind::Edit => IconName::ToolPencil,
3209                acp::ToolKind::Delete => IconName::ToolDeleteFile,
3210                acp::ToolKind::Move => IconName::ArrowRightLeft,
3211                acp::ToolKind::Search => IconName::ToolSearch,
3212                acp::ToolKind::Execute => IconName::ToolTerminal,
3213                acp::ToolKind::Think => IconName::ToolThink,
3214                acp::ToolKind::Fetch => IconName::ToolWeb,
3215                acp::ToolKind::SwitchMode => IconName::ArrowRightLeft,
3216                acp::ToolKind::Other | _ => IconName::ToolHammer,
3217            })
3218        }
3219        .size(IconSize::Small)
3220        .color(Color::Muted);
3221
3222        let gradient_overlay = {
3223            div()
3224                .absolute()
3225                .top_0()
3226                .right_0()
3227                .w_12()
3228                .h_full()
3229                .map(|this| {
3230                    if use_card_layout {
3231                        this.bg(linear_gradient(
3232                            90.,
3233                            linear_color_stop(self.tool_card_header_bg(cx), 1.),
3234                            linear_color_stop(self.tool_card_header_bg(cx).opacity(0.2), 0.),
3235                        ))
3236                    } else {
3237                        this.bg(linear_gradient(
3238                            90.,
3239                            linear_color_stop(cx.theme().colors().panel_background, 1.),
3240                            linear_color_stop(
3241                                cx.theme().colors().panel_background.opacity(0.2),
3242                                0.,
3243                            ),
3244                        ))
3245                    }
3246                })
3247        };
3248
3249        h_flex()
3250            .relative()
3251            .w_full()
3252            .h(window.line_height() - px(2.))
3253            .text_size(self.tool_name_font_size())
3254            .gap_1p5()
3255            .when(has_location || use_card_layout, |this| this.px_1())
3256            .when(has_location, |this| {
3257                this.cursor(CursorStyle::PointingHand)
3258                    .rounded(rems_from_px(3.)) // Concentric border radius
3259                    .hover(|s| s.bg(cx.theme().colors().element_hover.opacity(0.5)))
3260            })
3261            .overflow_hidden()
3262            .child(tool_icon)
3263            .child(if has_location {
3264                h_flex()
3265                    .id(("open-tool-call-location", entry_ix))
3266                    .w_full()
3267                    .map(|this| {
3268                        if use_card_layout {
3269                            this.text_color(cx.theme().colors().text)
3270                        } else {
3271                            this.text_color(cx.theme().colors().text_muted)
3272                        }
3273                    })
3274                    .child(self.render_markdown(
3275                        tool_call.label.clone(),
3276                        MarkdownStyle {
3277                            prevent_mouse_interaction: true,
3278                            ..default_markdown_style(false, true, window, cx)
3279                        },
3280                    ))
3281                    .tooltip(Tooltip::text("Go to File"))
3282                    .on_click(cx.listener(move |this, _, window, cx| {
3283                        this.open_tool_call_location(entry_ix, 0, window, cx);
3284                    }))
3285                    .into_any_element()
3286            } else {
3287                h_flex()
3288                    .w_full()
3289                    .child(self.render_markdown(
3290                        tool_call.label.clone(),
3291                        default_markdown_style(false, true, window, cx),
3292                    ))
3293                    .into_any()
3294            })
3295            .when(!is_edit, |this| this.child(gradient_overlay))
3296    }
3297
3298    fn render_tool_call_content(
3299        &self,
3300        entry_ix: usize,
3301        content: &ToolCallContent,
3302        context_ix: usize,
3303        tool_call: &ToolCall,
3304        card_layout: bool,
3305        is_image_tool_call: bool,
3306        window: &Window,
3307        cx: &Context<Self>,
3308    ) -> AnyElement {
3309        match content {
3310            ToolCallContent::ContentBlock(content) => {
3311                if let Some(resource_link) = content.resource_link() {
3312                    self.render_resource_link(resource_link, cx)
3313                } else if let Some(markdown) = content.markdown() {
3314                    self.render_markdown_output(
3315                        markdown.clone(),
3316                        tool_call.id.clone(),
3317                        context_ix,
3318                        card_layout,
3319                        window,
3320                        cx,
3321                    )
3322                } else if let Some(image) = content.image() {
3323                    let location = tool_call.locations.first().cloned();
3324                    self.render_image_output(
3325                        entry_ix,
3326                        image.clone(),
3327                        location,
3328                        card_layout,
3329                        is_image_tool_call,
3330                        cx,
3331                    )
3332                } else {
3333                    Empty.into_any_element()
3334                }
3335            }
3336            ToolCallContent::Diff(diff) => self.render_diff_editor(entry_ix, diff, tool_call, cx),
3337            ToolCallContent::Terminal(terminal) => {
3338                self.render_terminal_tool_call(entry_ix, terminal, tool_call, window, cx)
3339            }
3340            ToolCallContent::SubagentThread(_thread) => {
3341                // The subagent's AcpThread entity stores the subagent's conversation
3342                // (messages, tool calls, etc.) but we don't render it here. The entity
3343                // is used for serialization (e.g., to_markdown) and data storage, not display.
3344                Empty.into_any_element()
3345            }
3346        }
3347    }
3348
3349    fn render_markdown_output(
3350        &self,
3351        markdown: Entity<Markdown>,
3352        tool_call_id: acp::ToolCallId,
3353        context_ix: usize,
3354        card_layout: bool,
3355        window: &Window,
3356        cx: &Context<Self>,
3357    ) -> AnyElement {
3358        let button_id = SharedString::from(format!("tool_output-{:?}", tool_call_id));
3359
3360        v_flex()
3361            .gap_2()
3362            .map(|this| {
3363                if card_layout {
3364                    this.when(context_ix > 0, |this| {
3365                        this.pt_2()
3366                            .border_t_1()
3367                            .border_color(self.tool_card_border_color(cx))
3368                    })
3369                } else {
3370                    this.ml(rems(0.4))
3371                        .px_3p5()
3372                        .border_l_1()
3373                        .border_color(self.tool_card_border_color(cx))
3374                }
3375            })
3376            .text_xs()
3377            .text_color(cx.theme().colors().text_muted)
3378            .child(self.render_markdown(markdown, default_markdown_style(false, false, window, cx)))
3379            .when(!card_layout, |this| {
3380                this.child(
3381                    IconButton::new(button_id, IconName::ChevronUp)
3382                        .full_width()
3383                        .style(ButtonStyle::Outlined)
3384                        .icon_color(Color::Muted)
3385                        .on_click(cx.listener({
3386                            move |this: &mut Self, _, _, cx: &mut Context<Self>| {
3387                                this.expanded_tool_calls.remove(&tool_call_id);
3388                                cx.notify();
3389                            }
3390                        })),
3391                )
3392            })
3393            .into_any_element()
3394    }
3395
3396    fn render_image_output(
3397        &self,
3398        entry_ix: usize,
3399        image: Arc<gpui::Image>,
3400        location: Option<acp::ToolCallLocation>,
3401        card_layout: bool,
3402        show_dimensions: bool,
3403        cx: &Context<Self>,
3404    ) -> AnyElement {
3405        let dimensions_label = if show_dimensions {
3406            let format_name = match image.format() {
3407                gpui::ImageFormat::Png => "PNG",
3408                gpui::ImageFormat::Jpeg => "JPEG",
3409                gpui::ImageFormat::Webp => "WebP",
3410                gpui::ImageFormat::Gif => "GIF",
3411                gpui::ImageFormat::Svg => "SVG",
3412                gpui::ImageFormat::Bmp => "BMP",
3413                gpui::ImageFormat::Tiff => "TIFF",
3414                gpui::ImageFormat::Ico => "ICO",
3415            };
3416            let dimensions = image::ImageReader::new(std::io::Cursor::new(image.bytes()))
3417                .with_guessed_format()
3418                .ok()
3419                .and_then(|reader| reader.into_dimensions().ok());
3420            dimensions.map(|(w, h)| format!("{}×{} {}", w, h, format_name))
3421        } else {
3422            None
3423        };
3424
3425        v_flex()
3426            .gap_2()
3427            .map(|this| {
3428                if card_layout {
3429                    this
3430                } else {
3431                    this.ml(rems(0.4))
3432                        .px_3p5()
3433                        .border_l_1()
3434                        .border_color(self.tool_card_border_color(cx))
3435                }
3436            })
3437            .when(dimensions_label.is_some() || location.is_some(), |this| {
3438                this.child(
3439                    h_flex()
3440                        .w_full()
3441                        .justify_between()
3442                        .items_center()
3443                        .children(dimensions_label.map(|label| {
3444                            Label::new(label)
3445                                .size(LabelSize::XSmall)
3446                                .color(Color::Muted)
3447                                .buffer_font(cx)
3448                        }))
3449                        .when_some(location, |this, _loc| {
3450                            this.child(
3451                                Button::new(("go-to-file", entry_ix), "Go to File")
3452                                    .label_size(LabelSize::Small)
3453                                    .on_click(cx.listener(move |this, _, window, cx| {
3454                                        this.open_tool_call_location(entry_ix, 0, window, cx);
3455                                    })),
3456                            )
3457                        }),
3458                )
3459            })
3460            .child(
3461                img(image)
3462                    .max_w_96()
3463                    .max_h_96()
3464                    .object_fit(ObjectFit::ScaleDown),
3465            )
3466            .into_any_element()
3467    }
3468
3469    fn render_resource_link(
3470        &self,
3471        resource_link: &acp::ResourceLink,
3472        cx: &Context<Self>,
3473    ) -> AnyElement {
3474        let uri: SharedString = resource_link.uri.clone().into();
3475        let is_file = resource_link.uri.strip_prefix("file://");
3476
3477        let label: SharedString = if let Some(abs_path) = is_file {
3478            if let Some(project_path) = self
3479                .project
3480                .read(cx)
3481                .project_path_for_absolute_path(&Path::new(abs_path), cx)
3482                && let Some(worktree) = self
3483                    .project
3484                    .read(cx)
3485                    .worktree_for_id(project_path.worktree_id, cx)
3486            {
3487                worktree
3488                    .read(cx)
3489                    .full_path(&project_path.path)
3490                    .to_string_lossy()
3491                    .to_string()
3492                    .into()
3493            } else {
3494                abs_path.to_string().into()
3495            }
3496        } else {
3497            uri.clone()
3498        };
3499
3500        let button_id = SharedString::from(format!("item-{}", uri));
3501
3502        div()
3503            .ml(rems(0.4))
3504            .pl_2p5()
3505            .border_l_1()
3506            .border_color(self.tool_card_border_color(cx))
3507            .overflow_hidden()
3508            .child(
3509                Button::new(button_id, label)
3510                    .label_size(LabelSize::Small)
3511                    .color(Color::Muted)
3512                    .truncate(true)
3513                    .when(is_file.is_none(), |this| {
3514                        this.icon(IconName::ArrowUpRight)
3515                            .icon_size(IconSize::XSmall)
3516                            .icon_color(Color::Muted)
3517                    })
3518                    .on_click(cx.listener({
3519                        let workspace = self.workspace.clone();
3520                        move |_, _, window, cx: &mut Context<Self>| {
3521                            Self::open_link(uri.clone(), &workspace, window, cx);
3522                        }
3523                    })),
3524            )
3525            .into_any_element()
3526    }
3527
3528    fn render_permission_buttons(
3529        &self,
3530        kind: acp::ToolKind,
3531        options: &[acp::PermissionOption],
3532        entry_ix: usize,
3533        tool_call_id: acp::ToolCallId,
3534        cx: &Context<Self>,
3535    ) -> Div {
3536        let is_first = self.thread().is_some_and(|thread| {
3537            thread
3538                .read(cx)
3539                .first_tool_awaiting_confirmation()
3540                .is_some_and(|call| call.id == tool_call_id)
3541        });
3542        let mut seen_kinds: ArrayVec<acp::PermissionOptionKind, 3> = ArrayVec::new();
3543
3544        div()
3545            .p_1()
3546            .border_t_1()
3547            .border_color(self.tool_card_border_color(cx))
3548            .w_full()
3549            .map(|this| {
3550                if kind == acp::ToolKind::SwitchMode {
3551                    this.v_flex()
3552                } else {
3553                    this.h_flex().justify_end().flex_wrap()
3554                }
3555            })
3556            .gap_0p5()
3557            .children(options.iter().map(move |option| {
3558                let option_id = SharedString::from(option.option_id.0.clone());
3559                Button::new((option_id, entry_ix), option.name.clone())
3560                    .map(|this| {
3561                        let (this, action) = match option.kind {
3562                            acp::PermissionOptionKind::AllowOnce => (
3563                                this.icon(IconName::Check).icon_color(Color::Success),
3564                                Some(&AllowOnce as &dyn Action),
3565                            ),
3566                            acp::PermissionOptionKind::AllowAlways => (
3567                                this.icon(IconName::CheckDouble).icon_color(Color::Success),
3568                                Some(&AllowAlways as &dyn Action),
3569                            ),
3570                            acp::PermissionOptionKind::RejectOnce => (
3571                                this.icon(IconName::Close).icon_color(Color::Error),
3572                                Some(&RejectOnce as &dyn Action),
3573                            ),
3574                            acp::PermissionOptionKind::RejectAlways | _ => {
3575                                (this.icon(IconName::Close).icon_color(Color::Error), None)
3576                            }
3577                        };
3578
3579                        let Some(action) = action else {
3580                            return this;
3581                        };
3582
3583                        if !is_first || seen_kinds.contains(&option.kind) {
3584                            return this;
3585                        }
3586
3587                        seen_kinds.push(option.kind);
3588
3589                        this.key_binding(
3590                            KeyBinding::for_action_in(action, &self.focus_handle, cx)
3591                                .map(|kb| kb.size(rems_from_px(10.))),
3592                        )
3593                    })
3594                    .icon_position(IconPosition::Start)
3595                    .icon_size(IconSize::XSmall)
3596                    .label_size(LabelSize::Small)
3597                    .on_click(cx.listener({
3598                        let tool_call_id = tool_call_id.clone();
3599                        let option_id = option.option_id.clone();
3600                        let option_kind = option.kind;
3601                        move |this, _, window, cx| {
3602                            this.authorize_tool_call(
3603                                tool_call_id.clone(),
3604                                option_id.clone(),
3605                                option_kind,
3606                                window,
3607                                cx,
3608                            );
3609                        }
3610                    }))
3611            }))
3612    }
3613
3614    fn render_diff_loading(&self, cx: &Context<Self>) -> AnyElement {
3615        let bar = |n: u64, width_class: &str| {
3616            let bg_color = cx.theme().colors().element_active;
3617            let base = h_flex().h_1().rounded_full();
3618
3619            let modified = match width_class {
3620                "w_4_5" => base.w_3_4(),
3621                "w_1_4" => base.w_1_4(),
3622                "w_2_4" => base.w_2_4(),
3623                "w_3_5" => base.w_3_5(),
3624                "w_2_5" => base.w_2_5(),
3625                _ => base.w_1_2(),
3626            };
3627
3628            modified.with_animation(
3629                ElementId::Integer(n),
3630                Animation::new(Duration::from_secs(2)).repeat(),
3631                move |tab, delta| {
3632                    let delta = (delta - 0.15 * n as f32) / 0.7;
3633                    let delta = 1.0 - (0.5 - delta).abs() * 2.;
3634                    let delta = ease_in_out(delta.clamp(0., 1.));
3635                    let delta = 0.1 + 0.9 * delta;
3636
3637                    tab.bg(bg_color.opacity(delta))
3638                },
3639            )
3640        };
3641
3642        v_flex()
3643            .p_3()
3644            .gap_1()
3645            .rounded_b_md()
3646            .bg(cx.theme().colors().editor_background)
3647            .child(bar(0, "w_4_5"))
3648            .child(bar(1, "w_1_4"))
3649            .child(bar(2, "w_2_4"))
3650            .child(bar(3, "w_3_5"))
3651            .child(bar(4, "w_2_5"))
3652            .into_any_element()
3653    }
3654
3655    fn render_diff_editor(
3656        &self,
3657        entry_ix: usize,
3658        diff: &Entity<acp_thread::Diff>,
3659        tool_call: &ToolCall,
3660        cx: &Context<Self>,
3661    ) -> AnyElement {
3662        let tool_progress = matches!(
3663            &tool_call.status,
3664            ToolCallStatus::InProgress | ToolCallStatus::Pending
3665        );
3666
3667        v_flex()
3668            .h_full()
3669            .border_t_1()
3670            .border_color(self.tool_card_border_color(cx))
3671            .child(
3672                if let Some(entry) = self.entry_view_state.read(cx).entry(entry_ix)
3673                    && let Some(editor) = entry.editor_for_diff(diff)
3674                    && diff.read(cx).has_revealed_range(cx)
3675                {
3676                    editor.into_any_element()
3677                } else if tool_progress && self.as_native_connection(cx).is_some() {
3678                    self.render_diff_loading(cx)
3679                } else {
3680                    Empty.into_any()
3681                },
3682            )
3683            .into_any()
3684    }
3685
3686    fn render_terminal_tool_call(
3687        &self,
3688        entry_ix: usize,
3689        terminal: &Entity<acp_thread::Terminal>,
3690        tool_call: &ToolCall,
3691        window: &Window,
3692        cx: &Context<Self>,
3693    ) -> AnyElement {
3694        let terminal_data = terminal.read(cx);
3695        let working_dir = terminal_data.working_dir();
3696        let command = terminal_data.command();
3697        let started_at = terminal_data.started_at();
3698
3699        let tool_failed = matches!(
3700            &tool_call.status,
3701            ToolCallStatus::Rejected | ToolCallStatus::Canceled | ToolCallStatus::Failed
3702        );
3703
3704        let output = terminal_data.output();
3705        let command_finished = output.is_some();
3706        let truncated_output =
3707            output.is_some_and(|output| output.original_content_len > output.content.len());
3708        let output_line_count = output.map(|output| output.content_line_count).unwrap_or(0);
3709
3710        let command_failed = command_finished
3711            && output.is_some_and(|o| o.exit_status.is_some_and(|status| !status.success()));
3712
3713        let time_elapsed = if let Some(output) = output {
3714            output.ended_at.duration_since(started_at)
3715        } else {
3716            started_at.elapsed()
3717        };
3718
3719        let header_id =
3720            SharedString::from(format!("terminal-tool-header-{}", terminal.entity_id()));
3721        let header_group = SharedString::from(format!(
3722            "terminal-tool-header-group-{}",
3723            terminal.entity_id()
3724        ));
3725        let header_bg = cx
3726            .theme()
3727            .colors()
3728            .element_background
3729            .blend(cx.theme().colors().editor_foreground.opacity(0.025));
3730        let border_color = cx.theme().colors().border.opacity(0.6);
3731
3732        let working_dir = working_dir
3733            .as_ref()
3734            .map(|path| path.display().to_string())
3735            .unwrap_or_else(|| "current directory".to_string());
3736
3737        let is_expanded = self.expanded_tool_calls.contains(&tool_call.id);
3738
3739        let header = h_flex()
3740            .id(header_id)
3741            .flex_none()
3742            .gap_1()
3743            .justify_between()
3744            .rounded_t_md()
3745            .child(
3746                div()
3747                    .id(("command-target-path", terminal.entity_id()))
3748                    .w_full()
3749                    .max_w_full()
3750                    .overflow_x_scroll()
3751                    .child(
3752                        Label::new(working_dir)
3753                            .buffer_font(cx)
3754                            .size(LabelSize::XSmall)
3755                            .color(Color::Muted),
3756                    ),
3757            )
3758            .when(!command_finished, |header| {
3759                header
3760                    .gap_1p5()
3761                    .child(
3762                        Button::new(
3763                            SharedString::from(format!("stop-terminal-{}", terminal.entity_id())),
3764                            "Stop",
3765                        )
3766                        .icon(IconName::Stop)
3767                        .icon_position(IconPosition::Start)
3768                        .icon_size(IconSize::Small)
3769                        .icon_color(Color::Error)
3770                        .label_size(LabelSize::Small)
3771                        .tooltip(move |_window, cx| {
3772                            Tooltip::with_meta(
3773                                "Stop This Command",
3774                                None,
3775                                "Also possible by placing your cursor inside the terminal and using regular terminal bindings.",
3776                                cx,
3777                            )
3778                        })
3779                        .on_click({
3780                            let terminal = terminal.clone();
3781                            cx.listener(move |_this, _event, _window, cx| {
3782                                terminal.update(cx, |terminal, cx| {
3783                                    terminal.stop_by_user(cx);
3784                                });
3785                            })
3786                        }),
3787                    )
3788                    .child(Divider::vertical())
3789                    .child(
3790                        Icon::new(IconName::ArrowCircle)
3791                            .size(IconSize::XSmall)
3792                            .color(Color::Info)
3793                            .with_rotate_animation(2)
3794                    )
3795            })
3796            .when(truncated_output, |header| {
3797                let tooltip = if let Some(output) = output {
3798                    if output_line_count + 10 > terminal::MAX_SCROLL_HISTORY_LINES {
3799                       format!("Output exceeded terminal max lines and was \
3800                            truncated, the model received the first {}.", format_file_size(output.content.len() as u64, true))
3801                    } else {
3802                        format!(
3803                            "Output is {} long, and to avoid unexpected token usage, \
3804                                only {} was sent back to the agent.",
3805                            format_file_size(output.original_content_len as u64, true),
3806                             format_file_size(output.content.len() as u64, true)
3807                        )
3808                    }
3809                } else {
3810                    "Output was truncated".to_string()
3811                };
3812
3813                header.child(
3814                    h_flex()
3815                        .id(("terminal-tool-truncated-label", terminal.entity_id()))
3816                        .gap_1()
3817                        .child(
3818                            Icon::new(IconName::Info)
3819                                .size(IconSize::XSmall)
3820                                .color(Color::Ignored),
3821                        )
3822                        .child(
3823                            Label::new("Truncated")
3824                                .color(Color::Muted)
3825                                .size(LabelSize::XSmall),
3826                        )
3827                        .tooltip(Tooltip::text(tooltip)),
3828                )
3829            })
3830            .when(time_elapsed > Duration::from_secs(10), |header| {
3831                header.child(
3832                    Label::new(format!("({})", duration_alt_display(time_elapsed)))
3833                        .buffer_font(cx)
3834                        .color(Color::Muted)
3835                        .size(LabelSize::XSmall),
3836                )
3837            })
3838            .when(tool_failed || command_failed, |header| {
3839                header.child(
3840                    div()
3841                        .id(("terminal-tool-error-code-indicator", terminal.entity_id()))
3842                        .child(
3843                            Icon::new(IconName::Close)
3844                                .size(IconSize::Small)
3845                                .color(Color::Error),
3846                        )
3847                        .when_some(output.and_then(|o| o.exit_status), |this, status| {
3848                            this.tooltip(Tooltip::text(format!(
3849                                "Exited with code {}",
3850                                status.code().unwrap_or(-1),
3851                            )))
3852                        }),
3853                )
3854            })
3855            .child(
3856                Disclosure::new(
3857                    SharedString::from(format!(
3858                        "terminal-tool-disclosure-{}",
3859                        terminal.entity_id()
3860                    )),
3861                    is_expanded,
3862                )
3863                .opened_icon(IconName::ChevronUp)
3864                .closed_icon(IconName::ChevronDown)
3865                .visible_on_hover(&header_group)
3866                .on_click(cx.listener({
3867                    let id = tool_call.id.clone();
3868                    move |this, _event, _window, _cx| {
3869                        if is_expanded {
3870                            this.expanded_tool_calls.remove(&id);
3871                        } else {
3872                            this.expanded_tool_calls.insert(id.clone());
3873                        }
3874                    }
3875                })),
3876            );
3877
3878        let terminal_view = self
3879            .entry_view_state
3880            .read(cx)
3881            .entry(entry_ix)
3882            .and_then(|entry| entry.terminal(terminal));
3883        let show_output = is_expanded && terminal_view.is_some();
3884
3885        v_flex()
3886            .my_1p5()
3887            .mx_5()
3888            .border_1()
3889            .when(tool_failed || command_failed, |card| card.border_dashed())
3890            .border_color(border_color)
3891            .rounded_md()
3892            .overflow_hidden()
3893            .child(
3894                v_flex()
3895                    .group(&header_group)
3896                    .py_1p5()
3897                    .pr_1p5()
3898                    .pl_2()
3899                    .gap_0p5()
3900                    .bg(header_bg)
3901                    .text_xs()
3902                    .child(header)
3903                    .child(
3904                        MarkdownElement::new(
3905                            command.clone(),
3906                            terminal_command_markdown_style(window, cx),
3907                        )
3908                        .code_block_renderer(
3909                            markdown::CodeBlockRenderer::Default {
3910                                copy_button: false,
3911                                copy_button_on_hover: true,
3912                                border: false,
3913                            },
3914                        ),
3915                    ),
3916            )
3917            .when(show_output, |this| {
3918                this.child(
3919                    div()
3920                        .pt_2()
3921                        .border_t_1()
3922                        .when(tool_failed || command_failed, |card| card.border_dashed())
3923                        .border_color(border_color)
3924                        .bg(cx.theme().colors().editor_background)
3925                        .rounded_b_md()
3926                        .text_ui_sm(cx)
3927                        .h_full()
3928                        .children(terminal_view.map(|terminal_view| {
3929                            let element = if terminal_view
3930                                .read(cx)
3931                                .content_mode(window, cx)
3932                                .is_scrollable()
3933                            {
3934                                div().h_72().child(terminal_view).into_any_element()
3935                            } else {
3936                                terminal_view.into_any_element()
3937                            };
3938
3939                            div()
3940                                .on_action(cx.listener(|_this, _: &NewTerminal, window, cx| {
3941                                    window.dispatch_action(NewThread.boxed_clone(), cx);
3942                                    cx.stop_propagation();
3943                                }))
3944                                .child(element)
3945                                .into_any_element()
3946                        })),
3947                )
3948            })
3949            .into_any()
3950    }
3951
3952    fn render_rules_item(&self, cx: &Context<Self>) -> Option<AnyElement> {
3953        let project_context = self
3954            .as_native_thread(cx)?
3955            .read(cx)
3956            .project_context()
3957            .read(cx);
3958
3959        let user_rules_text = if project_context.user_rules.is_empty() {
3960            None
3961        } else if project_context.user_rules.len() == 1 {
3962            let user_rules = &project_context.user_rules[0];
3963
3964            match user_rules.title.as_ref() {
3965                Some(title) => Some(format!("Using \"{title}\" user rule")),
3966                None => Some("Using user rule".into()),
3967            }
3968        } else {
3969            Some(format!(
3970                "Using {} user rules",
3971                project_context.user_rules.len()
3972            ))
3973        };
3974
3975        let first_user_rules_id = project_context
3976            .user_rules
3977            .first()
3978            .map(|user_rules| user_rules.uuid.0);
3979
3980        let rules_files = project_context
3981            .worktrees
3982            .iter()
3983            .filter_map(|worktree| worktree.rules_file.as_ref())
3984            .collect::<Vec<_>>();
3985
3986        let rules_file_text = match rules_files.as_slice() {
3987            &[] => None,
3988            &[rules_file] => Some(format!(
3989                "Using project {:?} file",
3990                rules_file.path_in_worktree
3991            )),
3992            rules_files => Some(format!("Using {} project rules files", rules_files.len())),
3993        };
3994
3995        if user_rules_text.is_none() && rules_file_text.is_none() {
3996            return None;
3997        }
3998
3999        let has_both = user_rules_text.is_some() && rules_file_text.is_some();
4000
4001        Some(
4002            h_flex()
4003                .px_2p5()
4004                .child(
4005                    Icon::new(IconName::Attach)
4006                        .size(IconSize::XSmall)
4007                        .color(Color::Disabled),
4008                )
4009                .when_some(user_rules_text, |parent, user_rules_text| {
4010                    parent.child(
4011                        h_flex()
4012                            .id("user-rules")
4013                            .ml_1()
4014                            .mr_1p5()
4015                            .child(
4016                                Label::new(user_rules_text)
4017                                    .size(LabelSize::XSmall)
4018                                    .color(Color::Muted)
4019                                    .truncate(),
4020                            )
4021                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4022                            .tooltip(Tooltip::text("View User Rules"))
4023                            .on_click(move |_event, window, cx| {
4024                                window.dispatch_action(
4025                                    Box::new(OpenRulesLibrary {
4026                                        prompt_to_select: first_user_rules_id,
4027                                    }),
4028                                    cx,
4029                                )
4030                            }),
4031                    )
4032                })
4033                .when(has_both, |this| {
4034                    this.child(
4035                        Label::new("")
4036                            .size(LabelSize::XSmall)
4037                            .color(Color::Disabled),
4038                    )
4039                })
4040                .when_some(rules_file_text, |parent, rules_file_text| {
4041                    parent.child(
4042                        h_flex()
4043                            .id("project-rules")
4044                            .ml_1p5()
4045                            .child(
4046                                Label::new(rules_file_text)
4047                                    .size(LabelSize::XSmall)
4048                                    .color(Color::Muted),
4049                            )
4050                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4051                            .tooltip(Tooltip::text("View Project Rules"))
4052                            .on_click(cx.listener(Self::handle_open_rules)),
4053                    )
4054                })
4055                .into_any(),
4056        )
4057    }
4058
4059    fn render_empty_state_section_header(
4060        &self,
4061        label: impl Into<SharedString>,
4062        action_slot: Option<AnyElement>,
4063        cx: &mut Context<Self>,
4064    ) -> impl IntoElement {
4065        div().pl_1().pr_1p5().child(
4066            h_flex()
4067                .mt_2()
4068                .pl_1p5()
4069                .pb_1()
4070                .w_full()
4071                .justify_between()
4072                .border_b_1()
4073                .border_color(cx.theme().colors().border_variant)
4074                .child(
4075                    Label::new(label.into())
4076                        .size(LabelSize::Small)
4077                        .color(Color::Muted),
4078                )
4079                .children(action_slot),
4080        )
4081    }
4082
4083    fn set_session_list(
4084        &mut self,
4085        session_list: Option<Rc<dyn AgentSessionList>>,
4086        cx: &mut Context<Self>,
4087    ) {
4088        if let (Some(current), Some(next)) = (&self.session_list, &session_list)
4089            && Rc::ptr_eq(current, next)
4090        {
4091            return;
4092        }
4093
4094        self.session_list = session_list.clone();
4095        *self.session_list_state.borrow_mut() = session_list;
4096        self.recent_history_entries.clear();
4097        self.hovered_recent_history_item = None;
4098        self.refresh_recent_history(cx);
4099
4100        self._recent_history_watch_task = self.session_list.as_ref().and_then(|session_list| {
4101            let mut rx = session_list.watch(cx)?;
4102            Some(cx.spawn(async move |this, cx| {
4103                while let Ok(()) = rx.recv().await {
4104                    this.update(cx, |this, cx| {
4105                        this.refresh_recent_history(cx);
4106                    })
4107                    .ok();
4108                }
4109            }))
4110        });
4111    }
4112
4113    fn refresh_recent_history(&mut self, cx: &mut Context<Self>) {
4114        let Some(session_list) = self.session_list.clone() else {
4115            return;
4116        };
4117
4118        let task = session_list.list_sessions(AgentSessionListRequest::default(), cx);
4119        self._recent_history_task = cx.spawn(async move |this, cx| match task.await {
4120            Ok(response) => {
4121                this.update(cx, |this, cx| {
4122                    this.recent_history_entries = response.sessions.into_iter().take(3).collect();
4123                    this.hovered_recent_history_item = None;
4124                    cx.notify();
4125                })
4126                .ok();
4127            }
4128            Err(error) => {
4129                log::error!("Failed to load recent session history: {error:#}");
4130            }
4131        });
4132    }
4133
4134    fn render_recent_history(&self, cx: &mut Context<Self>) -> AnyElement {
4135        let render_history = self.session_list.is_some() && !self.recent_history_entries.is_empty();
4136
4137        v_flex()
4138            .size_full()
4139            .when(render_history, |this| {
4140                let recent_history = self.recent_history_entries.clone();
4141                this.justify_end().child(
4142                    v_flex()
4143                        .child(
4144                            self.render_empty_state_section_header(
4145                                "Recent",
4146                                Some(
4147                                    Button::new("view-history", "View All")
4148                                        .style(ButtonStyle::Subtle)
4149                                        .label_size(LabelSize::Small)
4150                                        .key_binding(
4151                                            KeyBinding::for_action_in(
4152                                                &OpenHistory,
4153                                                &self.focus_handle(cx),
4154                                                cx,
4155                                            )
4156                                            .map(|kb| kb.size(rems_from_px(12.))),
4157                                        )
4158                                        .on_click(move |_event, window, cx| {
4159                                            window.dispatch_action(OpenHistory.boxed_clone(), cx);
4160                                        })
4161                                        .into_any_element(),
4162                                ),
4163                                cx,
4164                            ),
4165                        )
4166                        .child(
4167                            v_flex().p_1().pr_1p5().gap_1().children(
4168                                recent_history
4169                                    .into_iter()
4170                                    .enumerate()
4171                                    .map(|(index, entry)| {
4172                                        // TODO: Add keyboard navigation.
4173                                        let is_hovered =
4174                                            self.hovered_recent_history_item == Some(index);
4175                                        crate::acp::thread_history::AcpHistoryEntryElement::new(
4176                                            entry,
4177                                            cx.entity().downgrade(),
4178                                        )
4179                                        .hovered(is_hovered)
4180                                        .on_hover(cx.listener(
4181                                            move |this, is_hovered, _window, cx| {
4182                                                if *is_hovered {
4183                                                    this.hovered_recent_history_item = Some(index);
4184                                                } else if this.hovered_recent_history_item
4185                                                    == Some(index)
4186                                                {
4187                                                    this.hovered_recent_history_item = None;
4188                                                }
4189                                                cx.notify();
4190                                            },
4191                                        ))
4192                                        .into_any_element()
4193                                    }),
4194                            ),
4195                        ),
4196                )
4197            })
4198            .into_any()
4199    }
4200
4201    fn render_auth_required_state(
4202        &self,
4203        connection: &Rc<dyn AgentConnection>,
4204        description: Option<&Entity<Markdown>>,
4205        configuration_view: Option<&AnyView>,
4206        pending_auth_method: Option<&acp::AuthMethodId>,
4207        window: &mut Window,
4208        cx: &Context<Self>,
4209    ) -> impl IntoElement {
4210        let auth_methods = connection.auth_methods();
4211
4212        let agent_display_name = self
4213            .agent_server_store
4214            .read(cx)
4215            .agent_display_name(&ExternalAgentServerName(self.agent.name()))
4216            .unwrap_or_else(|| self.agent.name());
4217
4218        let show_fallback_description = auth_methods.len() > 1
4219            && configuration_view.is_none()
4220            && description.is_none()
4221            && pending_auth_method.is_none();
4222
4223        let auth_buttons = || {
4224            h_flex().justify_end().flex_wrap().gap_1().children(
4225                connection
4226                    .auth_methods()
4227                    .iter()
4228                    .enumerate()
4229                    .rev()
4230                    .map(|(ix, method)| {
4231                        let (method_id, name) = if self.project.read(cx).is_via_remote_server()
4232                            && method.id.0.as_ref() == "oauth-personal"
4233                            && method.name == "Log in with Google"
4234                        {
4235                            ("spawn-gemini-cli".into(), "Log in with Gemini CLI".into())
4236                        } else {
4237                            (method.id.0.clone(), method.name.clone())
4238                        };
4239
4240                        let agent_telemetry_id = connection.telemetry_id();
4241
4242                        Button::new(method_id.clone(), name)
4243                            .label_size(LabelSize::Small)
4244                            .map(|this| {
4245                                if ix == 0 {
4246                                    this.style(ButtonStyle::Tinted(TintColor::Accent))
4247                                } else {
4248                                    this.style(ButtonStyle::Outlined)
4249                                }
4250                            })
4251                            .when_some(method.description.clone(), |this, description| {
4252                                this.tooltip(Tooltip::text(description))
4253                            })
4254                            .on_click({
4255                                cx.listener(move |this, _, window, cx| {
4256                                    telemetry::event!(
4257                                        "Authenticate Agent Started",
4258                                        agent = agent_telemetry_id,
4259                                        method = method_id
4260                                    );
4261
4262                                    this.authenticate(
4263                                        acp::AuthMethodId::new(method_id.clone()),
4264                                        window,
4265                                        cx,
4266                                    )
4267                                })
4268                            })
4269                    }),
4270            )
4271        };
4272
4273        if pending_auth_method.is_some() {
4274            return Callout::new()
4275                .icon(IconName::Info)
4276                .title(format!("Authenticating to {}", agent_display_name))
4277                .actions_slot(
4278                    Icon::new(IconName::ArrowCircle)
4279                        .size(IconSize::Small)
4280                        .color(Color::Muted)
4281                        .with_rotate_animation(2)
4282                        .into_any_element(),
4283                )
4284                .into_any_element();
4285        }
4286
4287        Callout::new()
4288            .icon(IconName::Info)
4289            .title(format!("Authenticate to {}", agent_display_name))
4290            .when(auth_methods.len() == 1, |this| {
4291                this.actions_slot(auth_buttons())
4292            })
4293            .description_slot(
4294                v_flex()
4295                    .text_ui(cx)
4296                    .map(|this| {
4297                        if show_fallback_description {
4298                            this.child(
4299                                Label::new("Choose one of the following authentication options:")
4300                                    .size(LabelSize::Small)
4301                                    .color(Color::Muted),
4302                            )
4303                        } else {
4304                            this.children(
4305                                configuration_view
4306                                    .cloned()
4307                                    .map(|view| div().w_full().child(view)),
4308                            )
4309                            .children(description.map(|desc| {
4310                                self.render_markdown(
4311                                    desc.clone(),
4312                                    default_markdown_style(false, false, window, cx),
4313                                )
4314                            }))
4315                        }
4316                    })
4317                    .when(auth_methods.len() > 1, |this| {
4318                        this.gap_1().child(auth_buttons())
4319                    }),
4320            )
4321            .into_any_element()
4322    }
4323
4324    fn render_load_error(
4325        &self,
4326        e: &LoadError,
4327        window: &mut Window,
4328        cx: &mut Context<Self>,
4329    ) -> AnyElement {
4330        let (title, message, action_slot): (_, SharedString, _) = match e {
4331            LoadError::Unsupported {
4332                command: path,
4333                current_version,
4334                minimum_version,
4335            } => {
4336                return self.render_unsupported(path, current_version, minimum_version, window, cx);
4337            }
4338            LoadError::FailedToInstall(msg) => (
4339                "Failed to Install",
4340                msg.into(),
4341                Some(self.create_copy_button(msg.to_string()).into_any_element()),
4342            ),
4343            LoadError::Exited { status } => (
4344                "Failed to Launch",
4345                format!("Server exited with status {status}").into(),
4346                None,
4347            ),
4348            LoadError::Other(msg) => (
4349                "Failed to Launch",
4350                msg.into(),
4351                Some(self.create_copy_button(msg.to_string()).into_any_element()),
4352            ),
4353        };
4354
4355        Callout::new()
4356            .severity(Severity::Error)
4357            .icon(IconName::XCircleFilled)
4358            .title(title)
4359            .description(message)
4360            .actions_slot(div().children(action_slot))
4361            .into_any_element()
4362    }
4363
4364    fn render_unsupported(
4365        &self,
4366        path: &SharedString,
4367        version: &SharedString,
4368        minimum_version: &SharedString,
4369        _window: &mut Window,
4370        cx: &mut Context<Self>,
4371    ) -> AnyElement {
4372        let (heading_label, description_label) = (
4373            format!("Upgrade {} to work with Zed", self.agent.name()),
4374            if version.is_empty() {
4375                format!(
4376                    "Currently using {}, which does not report a valid --version",
4377                    path,
4378                )
4379            } else {
4380                format!(
4381                    "Currently using {}, which is only version {} (need at least {minimum_version})",
4382                    path, version
4383                )
4384            },
4385        );
4386
4387        v_flex()
4388            .w_full()
4389            .p_3p5()
4390            .gap_2p5()
4391            .border_t_1()
4392            .border_color(cx.theme().colors().border)
4393            .bg(linear_gradient(
4394                180.,
4395                linear_color_stop(cx.theme().colors().editor_background.opacity(0.4), 4.),
4396                linear_color_stop(cx.theme().status().info_background.opacity(0.), 0.),
4397            ))
4398            .child(
4399                v_flex().gap_0p5().child(Label::new(heading_label)).child(
4400                    Label::new(description_label)
4401                        .size(LabelSize::Small)
4402                        .color(Color::Muted),
4403                ),
4404            )
4405            .into_any_element()
4406    }
4407
4408    fn activity_bar_bg(&self, cx: &Context<Self>) -> Hsla {
4409        let editor_bg_color = cx.theme().colors().editor_background;
4410        let active_color = cx.theme().colors().element_selected;
4411        editor_bg_color.blend(active_color.opacity(0.3))
4412    }
4413
4414    fn render_activity_bar(
4415        &self,
4416        thread_entity: &Entity<AcpThread>,
4417        window: &mut Window,
4418        cx: &Context<Self>,
4419    ) -> Option<AnyElement> {
4420        let thread = thread_entity.read(cx);
4421        let action_log = thread.action_log();
4422        let changed_buffers = action_log.read(cx).changed_buffers(cx);
4423        let plan = thread.plan();
4424
4425        if changed_buffers.is_empty() && plan.is_empty() && self.message_queue.is_empty() {
4426            return None;
4427        }
4428
4429        // Temporarily always enable ACP edit controls. This is temporary, to lessen the
4430        // impact of a nasty bug that causes them to sometimes be disabled when they shouldn't
4431        // be, which blocks you from being able to accept or reject edits. This switches the
4432        // bug to be that sometimes it's enabled when it shouldn't be, which at least doesn't
4433        // block you from using the panel.
4434        let pending_edits = false;
4435
4436        v_flex()
4437            .mt_1()
4438            .mx_2()
4439            .bg(self.activity_bar_bg(cx))
4440            .border_1()
4441            .border_b_0()
4442            .border_color(cx.theme().colors().border)
4443            .rounded_t_md()
4444            .shadow(vec![gpui::BoxShadow {
4445                color: gpui::black().opacity(0.15),
4446                offset: point(px(1.), px(-1.)),
4447                blur_radius: px(3.),
4448                spread_radius: px(0.),
4449            }])
4450            .when(!plan.is_empty(), |this| {
4451                this.child(self.render_plan_summary(plan, window, cx))
4452                    .when(self.plan_expanded, |parent| {
4453                        parent.child(self.render_plan_entries(plan, window, cx))
4454                    })
4455            })
4456            .when(!plan.is_empty() && !changed_buffers.is_empty(), |this| {
4457                this.child(Divider::horizontal().color(DividerColor::Border))
4458            })
4459            .when(!changed_buffers.is_empty(), |this| {
4460                this.child(self.render_edits_summary(
4461                    &changed_buffers,
4462                    self.edits_expanded,
4463                    pending_edits,
4464                    cx,
4465                ))
4466                .when(self.edits_expanded, |parent| {
4467                    parent.child(self.render_edited_files(&changed_buffers, cx))
4468                })
4469            })
4470            .when(!self.message_queue.is_empty(), |this| {
4471                this.when(!plan.is_empty() || !changed_buffers.is_empty(), |this| {
4472                    this.child(Divider::horizontal().color(DividerColor::Border))
4473                })
4474                .child(self.render_message_queue_summary(window, cx))
4475                .when(self.queue_expanded, |parent| {
4476                    parent.child(self.render_message_queue_entries(window, cx))
4477                })
4478            })
4479            .into_any()
4480            .into()
4481    }
4482
4483    fn render_plan_summary(
4484        &self,
4485        plan: &Plan,
4486        window: &mut Window,
4487        cx: &Context<Self>,
4488    ) -> impl IntoElement {
4489        let stats = plan.stats();
4490
4491        let title = if let Some(entry) = stats.in_progress_entry
4492            && !self.plan_expanded
4493        {
4494            h_flex()
4495                .cursor_default()
4496                .relative()
4497                .w_full()
4498                .gap_1()
4499                .truncate()
4500                .child(
4501                    Label::new("Current:")
4502                        .size(LabelSize::Small)
4503                        .color(Color::Muted),
4504                )
4505                .child(
4506                    div()
4507                        .text_xs()
4508                        .text_color(cx.theme().colors().text_muted)
4509                        .line_clamp(1)
4510                        .child(MarkdownElement::new(
4511                            entry.content.clone(),
4512                            plan_label_markdown_style(&entry.status, window, cx),
4513                        )),
4514                )
4515                .when(stats.pending > 0, |this| {
4516                    this.child(
4517                        h_flex()
4518                            .absolute()
4519                            .top_0()
4520                            .right_0()
4521                            .h_full()
4522                            .child(div().min_w_8().h_full().bg(linear_gradient(
4523                                90.,
4524                                linear_color_stop(self.activity_bar_bg(cx), 1.),
4525                                linear_color_stop(self.activity_bar_bg(cx).opacity(0.2), 0.),
4526                            )))
4527                            .child(
4528                                div().pr_0p5().bg(self.activity_bar_bg(cx)).child(
4529                                    Label::new(format!("{} left", stats.pending))
4530                                        .size(LabelSize::Small)
4531                                        .color(Color::Muted),
4532                                ),
4533                            ),
4534                    )
4535                })
4536        } else {
4537            let status_label = if stats.pending == 0 {
4538                "All Done".to_string()
4539            } else if stats.completed == 0 {
4540                format!("{} Tasks", plan.entries.len())
4541            } else {
4542                format!("{}/{}", stats.completed, plan.entries.len())
4543            };
4544
4545            h_flex()
4546                .w_full()
4547                .gap_1()
4548                .justify_between()
4549                .child(
4550                    Label::new("Plan")
4551                        .size(LabelSize::Small)
4552                        .color(Color::Muted),
4553                )
4554                .child(
4555                    Label::new(status_label)
4556                        .size(LabelSize::Small)
4557                        .color(Color::Muted)
4558                        .mr_1(),
4559                )
4560        };
4561
4562        h_flex()
4563            .id("plan_summary")
4564            .p_1()
4565            .w_full()
4566            .gap_1()
4567            .when(self.plan_expanded, |this| {
4568                this.border_b_1().border_color(cx.theme().colors().border)
4569            })
4570            .child(Disclosure::new("plan_disclosure", self.plan_expanded))
4571            .child(title)
4572            .on_click(cx.listener(|this, _, _, cx| {
4573                this.plan_expanded = !this.plan_expanded;
4574                cx.notify();
4575            }))
4576    }
4577
4578    fn render_plan_entries(
4579        &self,
4580        plan: &Plan,
4581        window: &mut Window,
4582        cx: &Context<Self>,
4583    ) -> impl IntoElement {
4584        v_flex()
4585            .id("plan_items_list")
4586            .max_h_40()
4587            .overflow_y_scroll()
4588            .children(plan.entries.iter().enumerate().flat_map(|(index, entry)| {
4589                let element = h_flex()
4590                    .py_1()
4591                    .px_2()
4592                    .gap_2()
4593                    .justify_between()
4594                    .bg(cx.theme().colors().editor_background)
4595                    .when(index < plan.entries.len() - 1, |parent| {
4596                        parent.border_color(cx.theme().colors().border).border_b_1()
4597                    })
4598                    .child(
4599                        h_flex()
4600                            .id(("plan_entry", index))
4601                            .gap_1p5()
4602                            .max_w_full()
4603                            .overflow_x_scroll()
4604                            .text_xs()
4605                            .text_color(cx.theme().colors().text_muted)
4606                            .child(match entry.status {
4607                                acp::PlanEntryStatus::InProgress => {
4608                                    Icon::new(IconName::TodoProgress)
4609                                        .size(IconSize::Small)
4610                                        .color(Color::Accent)
4611                                        .with_rotate_animation(2)
4612                                        .into_any_element()
4613                                }
4614                                acp::PlanEntryStatus::Completed => {
4615                                    Icon::new(IconName::TodoComplete)
4616                                        .size(IconSize::Small)
4617                                        .color(Color::Success)
4618                                        .into_any_element()
4619                                }
4620                                acp::PlanEntryStatus::Pending | _ => {
4621                                    Icon::new(IconName::TodoPending)
4622                                        .size(IconSize::Small)
4623                                        .color(Color::Muted)
4624                                        .into_any_element()
4625                                }
4626                            })
4627                            .child(MarkdownElement::new(
4628                                entry.content.clone(),
4629                                plan_label_markdown_style(&entry.status, window, cx),
4630                            )),
4631                    );
4632
4633                Some(element)
4634            }))
4635            .into_any_element()
4636    }
4637
4638    fn render_edits_summary(
4639        &self,
4640        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
4641        expanded: bool,
4642        pending_edits: bool,
4643        cx: &Context<Self>,
4644    ) -> Div {
4645        let focus_handle = self.focus_handle(cx);
4646
4647        h_flex()
4648            .p_1()
4649            .justify_between()
4650            .flex_wrap()
4651            .when(expanded, |this| {
4652                this.border_b_1().border_color(cx.theme().colors().border)
4653            })
4654            .child(
4655                h_flex()
4656                    .id("edits-container")
4657                    .cursor_pointer()
4658                    .gap_1()
4659                    .child(Disclosure::new("edits-disclosure", expanded))
4660                    .map(|this| {
4661                        if pending_edits {
4662                            this.child(
4663                                Label::new(format!(
4664                                    "Editing {} {}",
4665                                    changed_buffers.len(),
4666                                    if changed_buffers.len() == 1 {
4667                                        "file"
4668                                    } else {
4669                                        "files"
4670                                    }
4671                                ))
4672                                .color(Color::Muted)
4673                                .size(LabelSize::Small)
4674                                .with_animation(
4675                                    "edit-label",
4676                                    Animation::new(Duration::from_secs(2))
4677                                        .repeat()
4678                                        .with_easing(pulsating_between(0.3, 0.7)),
4679                                    |label, delta| label.alpha(delta),
4680                                ),
4681                            )
4682                        } else {
4683                            let stats = DiffStats::all_files(changed_buffers, cx);
4684                            let dot_divider = || {
4685                                Label::new("")
4686                                    .size(LabelSize::XSmall)
4687                                    .color(Color::Disabled)
4688                            };
4689
4690                            this.child(
4691                                Label::new("Edits")
4692                                    .size(LabelSize::Small)
4693                                    .color(Color::Muted),
4694                            )
4695                            .child(dot_divider())
4696                            .child(
4697                                Label::new(format!(
4698                                    "{} {}",
4699                                    changed_buffers.len(),
4700                                    if changed_buffers.len() == 1 {
4701                                        "file"
4702                                    } else {
4703                                        "files"
4704                                    }
4705                                ))
4706                                .size(LabelSize::Small)
4707                                .color(Color::Muted),
4708                            )
4709                            .child(dot_divider())
4710                            .child(DiffStat::new(
4711                                "total",
4712                                stats.lines_added as usize,
4713                                stats.lines_removed as usize,
4714                            ))
4715                        }
4716                    })
4717                    .on_click(cx.listener(|this, _, _, cx| {
4718                        this.edits_expanded = !this.edits_expanded;
4719                        cx.notify();
4720                    })),
4721            )
4722            .child(
4723                Button::new("review-changes", "Review Changes")
4724                    .label_size(LabelSize::Small)
4725                    .key_binding(
4726                        KeyBinding::for_action_in(&git_ui::project_diff::Diff, &focus_handle, cx)
4727                            .map(|kb| kb.size(rems_from_px(10.))),
4728                    )
4729                    .on_click(cx.listener(move |_, _, window, cx| {
4730                        window.dispatch_action(git_ui::project_diff::Diff.boxed_clone(), cx);
4731                    })),
4732            )
4733    }
4734
4735    fn render_edited_files(
4736        &self,
4737        changed_buffers: &BTreeMap<Entity<Buffer>, Entity<BufferDiff>>,
4738        cx: &Context<Self>,
4739    ) -> impl IntoElement {
4740        let editor_bg_color = cx.theme().colors().editor_background;
4741
4742        v_flex()
4743            .id("edited_files_list")
4744            .max_h_40()
4745            .overflow_y_scroll()
4746            .children(
4747                changed_buffers
4748                    .iter()
4749                    .enumerate()
4750                    .flat_map(|(index, (buffer, diff))| {
4751                        let file = buffer.read(cx).file()?;
4752                        let path = file.path();
4753                        let path_style = file.path_style(cx);
4754                        let separator = file.path_style(cx).primary_separator();
4755
4756                        let file_path = path.parent().and_then(|parent| {
4757                            if parent.is_empty() {
4758                                None
4759                            } else {
4760                                Some(
4761                                    Label::new(format!(
4762                                        "{}{separator}",
4763                                        parent.display(path_style)
4764                                    ))
4765                                    .color(Color::Muted)
4766                                    .size(LabelSize::XSmall)
4767                                    .buffer_font(cx),
4768                                )
4769                            }
4770                        });
4771
4772                        let file_name = path.file_name().map(|name| {
4773                            Label::new(name.to_string())
4774                                .size(LabelSize::XSmall)
4775                                .buffer_font(cx)
4776                                .ml_1()
4777                        });
4778
4779                        let full_path = path.display(path_style).to_string();
4780
4781                        let file_icon = FileIcons::get_icon(path.as_std_path(), cx)
4782                            .map(Icon::from_path)
4783                            .map(|icon| icon.color(Color::Muted).size(IconSize::Small))
4784                            .unwrap_or_else(|| {
4785                                Icon::new(IconName::File)
4786                                    .color(Color::Muted)
4787                                    .size(IconSize::Small)
4788                            });
4789
4790                        let overlay_gradient = linear_gradient(
4791                            90.,
4792                            linear_color_stop(editor_bg_color, 1.),
4793                            linear_color_stop(editor_bg_color.opacity(0.2), 0.),
4794                        );
4795
4796                        let file_stats = DiffStats::single_file(buffer.read(cx), diff.read(cx), cx);
4797
4798                        let element = h_flex()
4799                            .group("edited-code")
4800                            .id(("file-container", index))
4801                            .py_1()
4802                            .pl_2()
4803                            .pr_1()
4804                            .gap_2()
4805                            .justify_between()
4806                            .bg(editor_bg_color)
4807                            .when(index < changed_buffers.len() - 1, |parent| {
4808                                parent.border_color(cx.theme().colors().border).border_b_1()
4809                            })
4810                            .child(
4811                                h_flex()
4812                                    .id(("file-name-row", index))
4813                                    .relative()
4814                                    .pr_8()
4815                                    .w_full()
4816                                    .child(
4817                                        h_flex()
4818                                            .id(("file-name-path", index))
4819                                            .cursor_pointer()
4820                                            .pr_0p5()
4821                                            .gap_0p5()
4822                                            .hover(|s| s.bg(cx.theme().colors().element_hover))
4823                                            .rounded_xs()
4824                                            .child(file_icon)
4825                                            .children(file_name)
4826                                            .children(file_path)
4827                                            .child(
4828                                                DiffStat::new(
4829                                                    "file",
4830                                                    file_stats.lines_added as usize,
4831                                                    file_stats.lines_removed as usize,
4832                                                )
4833                                                .label_size(LabelSize::XSmall),
4834                                            )
4835                                            .tooltip(move |_, cx| {
4836                                                Tooltip::with_meta(
4837                                                    "Go to File",
4838                                                    None,
4839                                                    full_path.clone(),
4840                                                    cx,
4841                                                )
4842                                            })
4843                                            .on_click({
4844                                                let buffer = buffer.clone();
4845                                                cx.listener(move |this, _, window, cx| {
4846                                                    this.open_edited_buffer(&buffer, window, cx);
4847                                                })
4848                                            }),
4849                                    )
4850                                    .child(
4851                                        div()
4852                                            .absolute()
4853                                            .h_full()
4854                                            .w_12()
4855                                            .top_0()
4856                                            .bottom_0()
4857                                            .right_0()
4858                                            .bg(overlay_gradient),
4859                                    ),
4860                            )
4861                            .child(
4862                                h_flex()
4863                                    .gap_1()
4864                                    .visible_on_hover("edited-code")
4865                                    .child(
4866                                        Button::new("review", "Review")
4867                                            .label_size(LabelSize::Small)
4868                                            .on_click({
4869                                                let buffer = buffer.clone();
4870                                                let workspace = self.workspace.clone();
4871                                                cx.listener(move |_, _, window, cx| {
4872                                                    let Some(workspace) = workspace.upgrade() else {
4873                                                        return;
4874                                                    };
4875                                                    let Some(file) = buffer.read(cx).file() else {
4876                                                        return;
4877                                                    };
4878                                                    let project_path = project::ProjectPath {
4879                                                        worktree_id: file.worktree_id(cx),
4880                                                        path: file.path().clone(),
4881                                                    };
4882                                                    workspace.update(cx, |workspace, cx| {
4883                                                        git_ui::project_diff::ProjectDiff::deploy_at_project_path(
4884                                                            workspace,
4885                                                            project_path,
4886                                                            window,
4887                                                            cx,
4888                                                        );
4889                                                    });
4890                                                })
4891                                            }),
4892                                    ),
4893                            );
4894
4895                        Some(element)
4896                    }),
4897            )
4898            .into_any_element()
4899    }
4900
4901    fn render_message_queue_summary(
4902        &self,
4903        _window: &mut Window,
4904        cx: &Context<Self>,
4905    ) -> impl IntoElement {
4906        let queue_count = self.message_queue.len();
4907        let title: SharedString = if queue_count == 1 {
4908            "1 Queued Message".into()
4909        } else {
4910            format!("{} Queued Messages", queue_count).into()
4911        };
4912
4913        h_flex()
4914            .p_1()
4915            .w_full()
4916            .gap_1()
4917            .justify_between()
4918            .when(self.queue_expanded, |this| {
4919                this.border_b_1().border_color(cx.theme().colors().border)
4920            })
4921            .child(
4922                h_flex()
4923                    .id("queue_summary")
4924                    .gap_1()
4925                    .child(Disclosure::new("queue_disclosure", self.queue_expanded))
4926                    .child(Label::new(title).size(LabelSize::Small).color(Color::Muted))
4927                    .on_click(cx.listener(|this, _, _, cx| {
4928                        this.queue_expanded = !this.queue_expanded;
4929                        cx.notify();
4930                    })),
4931            )
4932            .child(
4933                Button::new("clear_queue", "Clear All")
4934                    .label_size(LabelSize::Small)
4935                    .key_binding(KeyBinding::for_action(&ClearMessageQueue, cx))
4936                    .on_click(cx.listener(|this, _, _, cx| {
4937                        this.message_queue.clear();
4938                        cx.notify();
4939                    })),
4940            )
4941    }
4942
4943    fn render_message_queue_entries(
4944        &self,
4945        _window: &mut Window,
4946        cx: &Context<Self>,
4947    ) -> impl IntoElement {
4948        let message_editor = self.message_editor.read(cx);
4949        let focus_handle = message_editor.focus_handle(cx);
4950
4951        v_flex()
4952            .id("message_queue_list")
4953            .max_h_40()
4954            .overflow_y_scroll()
4955            .children(
4956                self.message_queue
4957                    .iter()
4958                    .enumerate()
4959                    .map(|(index, queued)| {
4960                        let is_next = index == 0;
4961                        let icon_color = if is_next { Color::Accent } else { Color::Muted };
4962                        let queue_len = self.message_queue.len();
4963
4964                        let preview = queued
4965                            .content
4966                            .iter()
4967                            .find_map(|block| match block {
4968                                acp::ContentBlock::Text(text) => {
4969                                    text.text.lines().next().map(str::to_owned)
4970                                }
4971                                _ => None,
4972                            })
4973                            .unwrap_or_default();
4974
4975                        h_flex()
4976                            .group("queue_entry")
4977                            .w_full()
4978                            .p_1()
4979                            .pl_2()
4980                            .gap_1()
4981                            .justify_between()
4982                            .bg(cx.theme().colors().editor_background)
4983                            .when(index < queue_len - 1, |parent| {
4984                                parent.border_color(cx.theme().colors().border).border_b_1()
4985                            })
4986                            .child(
4987                                h_flex()
4988                                    .id(("queued_prompt", index))
4989                                    .min_w_0()
4990                                    .w_full()
4991                                    .gap_1p5()
4992                                    .child(
4993                                        Icon::new(IconName::Circle)
4994                                            .size(IconSize::Small)
4995                                            .color(icon_color),
4996                                    )
4997                                    .child(
4998                                        Label::new(preview)
4999                                            .size(LabelSize::XSmall)
5000                                            .color(Color::Muted)
5001                                            .buffer_font(cx)
5002                                            .truncate(),
5003                                    )
5004                                    .when(is_next, |this| {
5005                                        this.tooltip(Tooltip::text("Next Prompt in the Queue"))
5006                                    }),
5007                            )
5008                            .child(
5009                                h_flex()
5010                                    .flex_none()
5011                                    .gap_1()
5012                                    .visible_on_hover("queue_entry")
5013                                    .child(
5014                                        Button::new(("delete", index), "Remove")
5015                                            .label_size(LabelSize::Small)
5016                                            .on_click(cx.listener(move |this, _, _, cx| {
5017                                                if index < this.message_queue.len() {
5018                                                    this.message_queue.remove(index);
5019                                                    cx.notify();
5020                                                }
5021                                            })),
5022                                    )
5023                                    .child(
5024                                        Button::new(("send_now", index), "Send Now")
5025                                            .style(ButtonStyle::Outlined)
5026                                            .label_size(LabelSize::Small)
5027                                            .when(is_next, |this| {
5028                                                this.key_binding(
5029                                                    KeyBinding::for_action_in(
5030                                                        &SendNextQueuedMessage,
5031                                                        &focus_handle.clone(),
5032                                                        cx,
5033                                                    )
5034                                                    .map(|kb| kb.size(rems_from_px(10.))),
5035                                                )
5036                                            })
5037                                            .on_click(cx.listener(move |this, _, window, cx| {
5038                                                this.send_queued_message_at_index(
5039                                                    index, true, window, cx,
5040                                                );
5041                                            })),
5042                                    ),
5043                            )
5044                    }),
5045            )
5046            .into_any_element()
5047    }
5048
5049    fn render_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) -> AnyElement {
5050        let focus_handle = self.message_editor.focus_handle(cx);
5051        let editor_bg_color = cx.theme().colors().editor_background;
5052        let (expand_icon, expand_tooltip) = if self.editor_expanded {
5053            (IconName::Minimize, "Minimize Message Editor")
5054        } else {
5055            (IconName::Maximize, "Expand Message Editor")
5056        };
5057
5058        let backdrop = div()
5059            .size_full()
5060            .absolute()
5061            .inset_0()
5062            .bg(cx.theme().colors().panel_background)
5063            .opacity(0.8)
5064            .block_mouse_except_scroll();
5065
5066        let enable_editor = match self.thread_state {
5067            ThreadState::Ready { .. } => true,
5068            ThreadState::Loading { .. }
5069            | ThreadState::Unauthenticated { .. }
5070            | ThreadState::LoadError(..) => false,
5071        };
5072
5073        v_flex()
5074            .on_action(cx.listener(Self::expand_message_editor))
5075            .p_2()
5076            .gap_2()
5077            .border_t_1()
5078            .border_color(cx.theme().colors().border)
5079            .bg(editor_bg_color)
5080            .when(self.editor_expanded, |this| {
5081                this.h(vh(0.8, window)).size_full().justify_between()
5082            })
5083            .child(
5084                v_flex()
5085                    .relative()
5086                    .size_full()
5087                    .pt_1()
5088                    .pr_2p5()
5089                    .child(self.message_editor.clone())
5090                    .child(
5091                        h_flex()
5092                            .absolute()
5093                            .top_0()
5094                            .right_0()
5095                            .opacity(0.5)
5096                            .hover(|this| this.opacity(1.0))
5097                            .child(
5098                                IconButton::new("toggle-height", expand_icon)
5099                                    .icon_size(IconSize::Small)
5100                                    .icon_color(Color::Muted)
5101                                    .tooltip({
5102                                        move |_window, cx| {
5103                                            Tooltip::for_action_in(
5104                                                expand_tooltip,
5105                                                &ExpandMessageEditor,
5106                                                &focus_handle,
5107                                                cx,
5108                                            )
5109                                        }
5110                                    })
5111                                    .on_click(cx.listener(|this, _, window, cx| {
5112                                        this.expand_message_editor(
5113                                            &ExpandMessageEditor,
5114                                            window,
5115                                            cx,
5116                                        );
5117                                    })),
5118                            ),
5119                    ),
5120            )
5121            .child(
5122                h_flex()
5123                    .flex_none()
5124                    .flex_wrap()
5125                    .justify_between()
5126                    .child(
5127                        h_flex()
5128                            .gap_0p5()
5129                            .child(self.render_add_context_button(cx))
5130                            .child(self.render_follow_toggle(cx))
5131                            .children(self.render_burn_mode_toggle(cx)),
5132                    )
5133                    .child(
5134                        h_flex()
5135                            .gap_1()
5136                            .children(self.render_token_usage(cx))
5137                            .children(self.profile_selector.clone())
5138                            // Either config_options_view OR (mode_selector + model_selector)
5139                            .children(self.config_options_view.clone())
5140                            .when(self.config_options_view.is_none(), |this| {
5141                                this.children(self.mode_selector().cloned())
5142                                    .children(self.model_selector.clone())
5143                            })
5144                            .child(self.render_send_button(cx)),
5145                    ),
5146            )
5147            .when(!enable_editor, |this| this.child(backdrop))
5148            .into_any()
5149    }
5150
5151    pub(crate) fn as_native_connection(
5152        &self,
5153        cx: &App,
5154    ) -> Option<Rc<agent::NativeAgentConnection>> {
5155        let acp_thread = self.thread()?.read(cx);
5156        acp_thread.connection().clone().downcast()
5157    }
5158
5159    pub(crate) fn as_native_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
5160        let acp_thread = self.thread()?.read(cx);
5161        self.as_native_connection(cx)?
5162            .thread(acp_thread.session_id(), cx)
5163    }
5164
5165    fn is_imported_thread(&self, cx: &App) -> bool {
5166        let Some(thread) = self.as_native_thread(cx) else {
5167            return false;
5168        };
5169        thread.read(cx).is_imported()
5170    }
5171
5172    fn is_using_zed_ai_models(&self, cx: &App) -> bool {
5173        self.as_native_thread(cx)
5174            .and_then(|thread| thread.read(cx).model())
5175            .is_some_and(|model| model.provider_id() == language_model::ZED_CLOUD_PROVIDER_ID)
5176    }
5177
5178    fn render_token_usage(&self, cx: &mut Context<Self>) -> Option<Div> {
5179        let thread = self.thread()?.read(cx);
5180        let usage = thread.token_usage()?;
5181        let is_generating = thread.status() != ThreadStatus::Idle;
5182
5183        let used = crate::text_thread_editor::humanize_token_count(usage.used_tokens);
5184        let max = crate::text_thread_editor::humanize_token_count(usage.max_tokens);
5185
5186        Some(
5187            h_flex()
5188                .flex_shrink_0()
5189                .gap_0p5()
5190                .mr_1p5()
5191                .child(
5192                    Label::new(used)
5193                        .size(LabelSize::Small)
5194                        .color(Color::Muted)
5195                        .map(|label| {
5196                            if is_generating {
5197                                label
5198                                    .with_animation(
5199                                        "used-tokens-label",
5200                                        Animation::new(Duration::from_secs(2))
5201                                            .repeat()
5202                                            .with_easing(pulsating_between(0.3, 0.8)),
5203                                        |label, delta| label.alpha(delta),
5204                                    )
5205                                    .into_any()
5206                            } else {
5207                                label.into_any_element()
5208                            }
5209                        }),
5210                )
5211                .child(
5212                    Label::new("/")
5213                        .size(LabelSize::Small)
5214                        .color(Color::Custom(cx.theme().colors().text_muted.opacity(0.5))),
5215                )
5216                .child(Label::new(max).size(LabelSize::Small).color(Color::Muted)),
5217        )
5218    }
5219
5220    fn toggle_burn_mode(
5221        &mut self,
5222        _: &ToggleBurnMode,
5223        _window: &mut Window,
5224        cx: &mut Context<Self>,
5225    ) {
5226        let Some(thread) = self.as_native_thread(cx) else {
5227            return;
5228        };
5229
5230        thread.update(cx, |thread, cx| {
5231            let current_mode = thread.completion_mode();
5232            thread.set_completion_mode(
5233                match current_mode {
5234                    CompletionMode::Burn => CompletionMode::Normal,
5235                    CompletionMode::Normal => CompletionMode::Burn,
5236                },
5237                cx,
5238            );
5239        });
5240    }
5241
5242    fn keep_all(&mut self, _: &KeepAll, _window: &mut Window, cx: &mut Context<Self>) {
5243        let Some(thread) = self.thread() else {
5244            return;
5245        };
5246        let telemetry = ActionLogTelemetry::from(thread.read(cx));
5247        let action_log = thread.read(cx).action_log().clone();
5248        action_log.update(cx, |action_log, cx| {
5249            action_log.keep_all_edits(Some(telemetry), cx)
5250        });
5251    }
5252
5253    fn reject_all(&mut self, _: &RejectAll, _window: &mut Window, cx: &mut Context<Self>) {
5254        let Some(thread) = self.thread() else {
5255            return;
5256        };
5257        let telemetry = ActionLogTelemetry::from(thread.read(cx));
5258        let action_log = thread.read(cx).action_log().clone();
5259        action_log
5260            .update(cx, |action_log, cx| {
5261                action_log.reject_all_edits(Some(telemetry), cx)
5262            })
5263            .detach();
5264    }
5265
5266    fn allow_always(&mut self, _: &AllowAlways, window: &mut Window, cx: &mut Context<Self>) {
5267        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowAlways, window, cx);
5268    }
5269
5270    fn allow_once(&mut self, _: &AllowOnce, window: &mut Window, cx: &mut Context<Self>) {
5271        self.authorize_pending_tool_call(acp::PermissionOptionKind::AllowOnce, window, cx);
5272    }
5273
5274    fn reject_once(&mut self, _: &RejectOnce, window: &mut Window, cx: &mut Context<Self>) {
5275        self.authorize_pending_tool_call(acp::PermissionOptionKind::RejectOnce, window, cx);
5276    }
5277
5278    fn authorize_pending_tool_call(
5279        &mut self,
5280        kind: acp::PermissionOptionKind,
5281        window: &mut Window,
5282        cx: &mut Context<Self>,
5283    ) -> Option<()> {
5284        let thread = self.thread()?.read(cx);
5285        let tool_call = thread.first_tool_awaiting_confirmation()?;
5286        let ToolCallStatus::WaitingForConfirmation { options, .. } = &tool_call.status else {
5287            return None;
5288        };
5289        let option = options.iter().find(|o| o.kind == kind)?;
5290
5291        self.authorize_tool_call(
5292            tool_call.id.clone(),
5293            option.option_id.clone(),
5294            option.kind,
5295            window,
5296            cx,
5297        );
5298
5299        Some(())
5300    }
5301
5302    fn render_burn_mode_toggle(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
5303        let thread = self.as_native_thread(cx)?.read(cx);
5304
5305        if thread
5306            .model()
5307            .is_none_or(|model| !model.supports_burn_mode())
5308        {
5309            return None;
5310        }
5311
5312        let active_completion_mode = thread.completion_mode();
5313        let burn_mode_enabled = active_completion_mode == CompletionMode::Burn;
5314        let icon = if burn_mode_enabled {
5315            IconName::ZedBurnModeOn
5316        } else {
5317            IconName::ZedBurnMode
5318        };
5319
5320        Some(
5321            IconButton::new("burn-mode", icon)
5322                .icon_size(IconSize::Small)
5323                .icon_color(Color::Muted)
5324                .toggle_state(burn_mode_enabled)
5325                .selected_icon_color(Color::Error)
5326                .on_click(cx.listener(|this, _event, window, cx| {
5327                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
5328                }))
5329                .tooltip(move |_window, cx| {
5330                    cx.new(|_| BurnModeTooltip::new().selected(burn_mode_enabled))
5331                        .into()
5332                })
5333                .into_any_element(),
5334        )
5335    }
5336
5337    fn render_send_button(&self, cx: &mut Context<Self>) -> AnyElement {
5338        let message_editor = self.message_editor.read(cx);
5339        let is_editor_empty = message_editor.is_empty(cx);
5340        let focus_handle = message_editor.focus_handle(cx);
5341
5342        let is_generating = self
5343            .thread()
5344            .is_some_and(|thread| thread.read(cx).status() != ThreadStatus::Idle);
5345
5346        if self.is_loading_contents {
5347            div()
5348                .id("loading-message-content")
5349                .px_1()
5350                .tooltip(Tooltip::text("Loading Added Context…"))
5351                .child(loading_contents_spinner(IconSize::default()))
5352                .into_any_element()
5353        } else if is_generating && is_editor_empty {
5354            IconButton::new("stop-generation", IconName::Stop)
5355                .icon_color(Color::Error)
5356                .style(ButtonStyle::Tinted(TintColor::Error))
5357                .tooltip(move |_window, cx| {
5358                    Tooltip::for_action("Stop Generation", &editor::actions::Cancel, cx)
5359                })
5360                .on_click(cx.listener(|this, _event, _, cx| this.cancel_generation(cx)))
5361                .into_any_element()
5362        } else {
5363            IconButton::new("send-message", IconName::Send)
5364                .style(ButtonStyle::Filled)
5365                .map(|this| {
5366                    if is_editor_empty && !is_generating {
5367                        this.disabled(true).icon_color(Color::Muted)
5368                    } else {
5369                        this.icon_color(Color::Accent)
5370                    }
5371                })
5372                .tooltip(move |_window, cx| {
5373                    if is_editor_empty && !is_generating {
5374                        Tooltip::for_action("Type to Send", &Chat, cx)
5375                    } else {
5376                        let title = if is_generating {
5377                            "Stop and Send Message"
5378                        } else {
5379                            "Send"
5380                        };
5381
5382                        let focus_handle = focus_handle.clone();
5383
5384                        Tooltip::element(move |_window, cx| {
5385                            v_flex()
5386                                .gap_1()
5387                                .child(
5388                                    h_flex()
5389                                        .gap_2()
5390                                        .justify_between()
5391                                        .child(Label::new(title))
5392                                        .child(KeyBinding::for_action_in(&Chat, &focus_handle, cx)),
5393                                )
5394                                .child(
5395                                    h_flex()
5396                                        .pt_1()
5397                                        .gap_2()
5398                                        .justify_between()
5399                                        .border_t_1()
5400                                        .border_color(cx.theme().colors().border_variant)
5401                                        .child(Label::new("Queue Message"))
5402                                        .child(KeyBinding::for_action_in(
5403                                            &QueueMessage,
5404                                            &focus_handle,
5405                                            cx,
5406                                        )),
5407                                )
5408                                .into_any_element()
5409                        })(_window, cx)
5410                    }
5411                })
5412                .on_click(cx.listener(|this, _, window, cx| {
5413                    this.send(window, cx);
5414                }))
5415                .into_any_element()
5416        }
5417    }
5418
5419    fn is_following(&self, cx: &App) -> bool {
5420        match self.thread().map(|thread| thread.read(cx).status()) {
5421            Some(ThreadStatus::Generating) => self
5422                .workspace
5423                .read_with(cx, |workspace, _| {
5424                    workspace.is_being_followed(CollaboratorId::Agent)
5425                })
5426                .unwrap_or(false),
5427            _ => self.should_be_following,
5428        }
5429    }
5430
5431    fn toggle_following(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5432        let following = self.is_following(cx);
5433
5434        self.should_be_following = !following;
5435        if self.thread().map(|thread| thread.read(cx).status()) == Some(ThreadStatus::Generating) {
5436            self.workspace
5437                .update(cx, |workspace, cx| {
5438                    if following {
5439                        workspace.unfollow(CollaboratorId::Agent, window, cx);
5440                    } else {
5441                        workspace.follow(CollaboratorId::Agent, window, cx);
5442                    }
5443                })
5444                .ok();
5445        }
5446
5447        telemetry::event!("Follow Agent Selected", following = !following);
5448    }
5449
5450    fn render_follow_toggle(&self, cx: &mut Context<Self>) -> impl IntoElement {
5451        let following = self.is_following(cx);
5452
5453        let tooltip_label = if following {
5454            if self.agent.name() == "Zed Agent" {
5455                format!("Stop Following the {}", self.agent.name())
5456            } else {
5457                format!("Stop Following {}", self.agent.name())
5458            }
5459        } else {
5460            if self.agent.name() == "Zed Agent" {
5461                format!("Follow the {}", self.agent.name())
5462            } else {
5463                format!("Follow {}", self.agent.name())
5464            }
5465        };
5466
5467        IconButton::new("follow-agent", IconName::Crosshair)
5468            .icon_size(IconSize::Small)
5469            .icon_color(Color::Muted)
5470            .toggle_state(following)
5471            .selected_icon_color(Some(Color::Custom(cx.theme().players().agent().cursor)))
5472            .tooltip(move |_window, cx| {
5473                if following {
5474                    Tooltip::for_action(tooltip_label.clone(), &Follow, cx)
5475                } else {
5476                    Tooltip::with_meta(
5477                        tooltip_label.clone(),
5478                        Some(&Follow),
5479                        "Track the agent's location as it reads and edits files.",
5480                        cx,
5481                    )
5482                }
5483            })
5484            .on_click(cx.listener(move |this, _, window, cx| {
5485                this.toggle_following(window, cx);
5486            }))
5487    }
5488
5489    fn render_add_context_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
5490        let message_editor = self.message_editor.clone();
5491        let menu_visible = message_editor.read(cx).is_completions_menu_visible(cx);
5492
5493        IconButton::new("add-context", IconName::AtSign)
5494            .icon_size(IconSize::Small)
5495            .icon_color(Color::Muted)
5496            .when(!menu_visible, |this| {
5497                this.tooltip(move |_window, cx| {
5498                    Tooltip::with_meta("Add Context", None, "Or type @ to include context", cx)
5499                })
5500            })
5501            .on_click(cx.listener(move |_this, _, window, cx| {
5502                let message_editor_clone = message_editor.clone();
5503
5504                window.defer(cx, move |window, cx| {
5505                    message_editor_clone.update(cx, |message_editor, cx| {
5506                        message_editor.trigger_completion_menu(window, cx);
5507                    });
5508                });
5509            }))
5510    }
5511
5512    fn render_markdown(&self, markdown: Entity<Markdown>, style: MarkdownStyle) -> MarkdownElement {
5513        let workspace = self.workspace.clone();
5514        MarkdownElement::new(markdown, style).on_url_click(move |text, window, cx| {
5515            Self::open_link(text, &workspace, window, cx);
5516        })
5517    }
5518
5519    fn open_link(
5520        url: SharedString,
5521        workspace: &WeakEntity<Workspace>,
5522        window: &mut Window,
5523        cx: &mut App,
5524    ) {
5525        let Some(workspace) = workspace.upgrade() else {
5526            cx.open_url(&url);
5527            return;
5528        };
5529
5530        if let Some(mention) = MentionUri::parse(&url, workspace.read(cx).path_style(cx)).log_err()
5531        {
5532            workspace.update(cx, |workspace, cx| match mention {
5533                MentionUri::File { abs_path } => {
5534                    let project = workspace.project();
5535                    let Some(path) =
5536                        project.update(cx, |project, cx| project.find_project_path(abs_path, cx))
5537                    else {
5538                        return;
5539                    };
5540
5541                    workspace
5542                        .open_path(path, None, true, window, cx)
5543                        .detach_and_log_err(cx);
5544                }
5545                MentionUri::PastedImage => {}
5546                MentionUri::Directory { abs_path } => {
5547                    let project = workspace.project();
5548                    let Some(entry_id) = project.update(cx, |project, cx| {
5549                        let path = project.find_project_path(abs_path, cx)?;
5550                        project.entry_for_path(&path, cx).map(|entry| entry.id)
5551                    }) else {
5552                        return;
5553                    };
5554
5555                    project.update(cx, |_, cx| {
5556                        cx.emit(project::Event::RevealInProjectPanel(entry_id));
5557                    });
5558                }
5559                MentionUri::Symbol {
5560                    abs_path: path,
5561                    line_range,
5562                    ..
5563                }
5564                | MentionUri::Selection {
5565                    abs_path: Some(path),
5566                    line_range,
5567                } => {
5568                    let project = workspace.project();
5569                    let Some(path) =
5570                        project.update(cx, |project, cx| project.find_project_path(path, cx))
5571                    else {
5572                        return;
5573                    };
5574
5575                    let item = workspace.open_path(path, None, true, window, cx);
5576                    window
5577                        .spawn(cx, async move |cx| {
5578                            let Some(editor) = item.await?.downcast::<Editor>() else {
5579                                return Ok(());
5580                            };
5581                            let range = Point::new(*line_range.start(), 0)
5582                                ..Point::new(*line_range.start(), 0);
5583                            editor
5584                                .update_in(cx, |editor, window, cx| {
5585                                    editor.change_selections(
5586                                        SelectionEffects::scroll(Autoscroll::center()),
5587                                        window,
5588                                        cx,
5589                                        |s| s.select_ranges(vec![range]),
5590                                    );
5591                                })
5592                                .ok();
5593                            anyhow::Ok(())
5594                        })
5595                        .detach_and_log_err(cx);
5596                }
5597                MentionUri::Selection { abs_path: None, .. } => {}
5598                MentionUri::Thread { id, name } => {
5599                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
5600                        panel.update(cx, |panel, cx| {
5601                            panel.load_agent_thread(
5602                                AgentSessionInfo {
5603                                    session_id: id,
5604                                    cwd: None,
5605                                    title: Some(name.into()),
5606                                    updated_at: None,
5607                                    meta: None,
5608                                },
5609                                window,
5610                                cx,
5611                            )
5612                        });
5613                    }
5614                }
5615                MentionUri::TextThread { path, .. } => {
5616                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
5617                        panel.update(cx, |panel, cx| {
5618                            panel
5619                                .open_saved_text_thread(path.as_path().into(), window, cx)
5620                                .detach_and_log_err(cx);
5621                        });
5622                    }
5623                }
5624                MentionUri::Rule { id, .. } => {
5625                    let PromptId::User { uuid } = id else {
5626                        return;
5627                    };
5628                    window.dispatch_action(
5629                        Box::new(OpenRulesLibrary {
5630                            prompt_to_select: Some(uuid.0),
5631                        }),
5632                        cx,
5633                    )
5634                }
5635                MentionUri::Fetch { url } => {
5636                    cx.open_url(url.as_str());
5637                }
5638            })
5639        } else {
5640            cx.open_url(&url);
5641        }
5642    }
5643
5644    fn open_tool_call_location(
5645        &self,
5646        entry_ix: usize,
5647        location_ix: usize,
5648        window: &mut Window,
5649        cx: &mut Context<Self>,
5650    ) -> Option<()> {
5651        let (tool_call_location, agent_location) = self
5652            .thread()?
5653            .read(cx)
5654            .entries()
5655            .get(entry_ix)?
5656            .location(location_ix)?;
5657
5658        let project_path = self
5659            .project
5660            .read(cx)
5661            .find_project_path(&tool_call_location.path, cx)?;
5662
5663        let open_task = self
5664            .workspace
5665            .update(cx, |workspace, cx| {
5666                workspace.open_path(project_path, None, true, window, cx)
5667            })
5668            .log_err()?;
5669        window
5670            .spawn(cx, async move |cx| {
5671                let item = open_task.await?;
5672
5673                let Some(active_editor) = item.downcast::<Editor>() else {
5674                    return anyhow::Ok(());
5675                };
5676
5677                active_editor.update_in(cx, |editor, window, cx| {
5678                    let multibuffer = editor.buffer().read(cx);
5679                    let buffer = multibuffer.as_singleton();
5680                    if agent_location.buffer.upgrade() == buffer {
5681                        let excerpt_id = multibuffer.excerpt_ids().first().cloned();
5682                        let anchor =
5683                            editor::Anchor::in_buffer(excerpt_id.unwrap(), agent_location.position);
5684                        editor.change_selections(Default::default(), window, cx, |selections| {
5685                            selections.select_anchor_ranges([anchor..anchor]);
5686                        })
5687                    } else {
5688                        let row = tool_call_location.line.unwrap_or_default();
5689                        editor.change_selections(Default::default(), window, cx, |selections| {
5690                            selections.select_ranges([Point::new(row, 0)..Point::new(row, 0)]);
5691                        })
5692                    }
5693                })?;
5694
5695                anyhow::Ok(())
5696            })
5697            .detach_and_log_err(cx);
5698
5699        None
5700    }
5701
5702    pub fn open_thread_as_markdown(
5703        &self,
5704        workspace: Entity<Workspace>,
5705        window: &mut Window,
5706        cx: &mut App,
5707    ) -> Task<Result<()>> {
5708        let markdown_language_task = workspace
5709            .read(cx)
5710            .app_state()
5711            .languages
5712            .language_for_name("Markdown");
5713
5714        let (thread_title, markdown) = if let Some(thread) = self.thread() {
5715            let thread = thread.read(cx);
5716            (thread.title().to_string(), thread.to_markdown(cx))
5717        } else {
5718            return Task::ready(Ok(()));
5719        };
5720
5721        let project = workspace.read(cx).project().clone();
5722        window.spawn(cx, async move |cx| {
5723            let markdown_language = markdown_language_task.await?;
5724
5725            let buffer = project
5726                .update(cx, |project, cx| project.create_buffer(false, cx))
5727                .await?;
5728
5729            buffer.update(cx, |buffer, cx| {
5730                buffer.set_text(markdown, cx);
5731                buffer.set_language(Some(markdown_language), cx);
5732                buffer.set_capability(language::Capability::ReadWrite, cx);
5733            });
5734
5735            workspace.update_in(cx, |workspace, window, cx| {
5736                let buffer = cx
5737                    .new(|cx| MultiBuffer::singleton(buffer, cx).with_title(thread_title.clone()));
5738
5739                workspace.add_item_to_active_pane(
5740                    Box::new(cx.new(|cx| {
5741                        let mut editor =
5742                            Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
5743                        editor.set_breadcrumb_header(thread_title);
5744                        editor
5745                    })),
5746                    None,
5747                    true,
5748                    window,
5749                    cx,
5750                );
5751            })?;
5752            anyhow::Ok(())
5753        })
5754    }
5755
5756    fn scroll_to_top(&mut self, cx: &mut Context<Self>) {
5757        self.list_state.scroll_to(ListOffset::default());
5758        cx.notify();
5759    }
5760
5761    fn scroll_to_most_recent_user_prompt(&mut self, cx: &mut Context<Self>) {
5762        let Some(thread) = self.thread() else {
5763            return;
5764        };
5765
5766        let entries = thread.read(cx).entries();
5767        if entries.is_empty() {
5768            return;
5769        }
5770
5771        // Find the most recent user message and scroll it to the top of the viewport.
5772        // (Fallback: if no user message exists, scroll to the bottom.)
5773        if let Some(ix) = entries
5774            .iter()
5775            .rposition(|entry| matches!(entry, AgentThreadEntry::UserMessage(_)))
5776        {
5777            self.list_state.scroll_to(ListOffset {
5778                item_ix: ix,
5779                offset_in_item: px(0.0),
5780            });
5781            cx.notify();
5782        } else {
5783            self.scroll_to_bottom(cx);
5784        }
5785    }
5786
5787    pub fn scroll_to_bottom(&mut self, cx: &mut Context<Self>) {
5788        if let Some(thread) = self.thread() {
5789            let entry_count = thread.read(cx).entries().len();
5790            self.list_state.reset(entry_count);
5791            cx.notify();
5792        }
5793    }
5794
5795    fn notify_with_sound(
5796        &mut self,
5797        caption: impl Into<SharedString>,
5798        icon: IconName,
5799        window: &mut Window,
5800        cx: &mut Context<Self>,
5801    ) {
5802        self.play_notification_sound(window, cx);
5803        self.show_notification(caption, icon, window, cx);
5804    }
5805
5806    fn play_notification_sound(&self, window: &Window, cx: &mut App) {
5807        let settings = AgentSettings::get_global(cx);
5808        if settings.play_sound_when_agent_done && !window.is_window_active() {
5809            Audio::play_sound(Sound::AgentDone, cx);
5810        }
5811    }
5812
5813    fn show_notification(
5814        &mut self,
5815        caption: impl Into<SharedString>,
5816        icon: IconName,
5817        window: &mut Window,
5818        cx: &mut Context<Self>,
5819    ) {
5820        if !self.notifications.is_empty() {
5821            return;
5822        }
5823
5824        let settings = AgentSettings::get_global(cx);
5825
5826        let window_is_inactive = !window.is_window_active();
5827        let panel_is_hidden = self
5828            .workspace
5829            .upgrade()
5830            .map(|workspace| AgentPanel::is_hidden(&workspace, cx))
5831            .unwrap_or(true);
5832
5833        let should_notify = window_is_inactive || panel_is_hidden;
5834
5835        if !should_notify {
5836            return;
5837        }
5838
5839        // TODO: Change this once we have title summarization for external agents.
5840        let title = self.agent.name();
5841
5842        match settings.notify_when_agent_waiting {
5843            NotifyWhenAgentWaiting::PrimaryScreen => {
5844                if let Some(primary) = cx.primary_display() {
5845                    self.pop_up(icon, caption.into(), title, window, primary, cx);
5846                }
5847            }
5848            NotifyWhenAgentWaiting::AllScreens => {
5849                let caption = caption.into();
5850                for screen in cx.displays() {
5851                    self.pop_up(icon, caption.clone(), title.clone(), window, screen, cx);
5852                }
5853            }
5854            NotifyWhenAgentWaiting::Never => {
5855                // Don't show anything
5856            }
5857        }
5858    }
5859
5860    fn pop_up(
5861        &mut self,
5862        icon: IconName,
5863        caption: SharedString,
5864        title: SharedString,
5865        window: &mut Window,
5866        screen: Rc<dyn PlatformDisplay>,
5867        cx: &mut Context<Self>,
5868    ) {
5869        let options = AgentNotification::window_options(screen, cx);
5870
5871        let project_name = self.workspace.upgrade().and_then(|workspace| {
5872            workspace
5873                .read(cx)
5874                .project()
5875                .read(cx)
5876                .visible_worktrees(cx)
5877                .next()
5878                .map(|worktree| worktree.read(cx).root_name_str().to_string())
5879        });
5880
5881        if let Some(screen_window) = cx
5882            .open_window(options, |_window, cx| {
5883                cx.new(|_cx| {
5884                    AgentNotification::new(title.clone(), caption.clone(), icon, project_name)
5885                })
5886            })
5887            .log_err()
5888            && let Some(pop_up) = screen_window.entity(cx).log_err()
5889        {
5890            self.notification_subscriptions
5891                .entry(screen_window)
5892                .or_insert_with(Vec::new)
5893                .push(cx.subscribe_in(&pop_up, window, {
5894                    |this, _, event, window, cx| match event {
5895                        AgentNotificationEvent::Accepted => {
5896                            let handle = window.window_handle();
5897                            cx.activate(true);
5898
5899                            let workspace_handle = this.workspace.clone();
5900
5901                            // If there are multiple Zed windows, activate the correct one.
5902                            cx.defer(move |cx| {
5903                                handle
5904                                    .update(cx, |_view, window, _cx| {
5905                                        window.activate_window();
5906
5907                                        if let Some(workspace) = workspace_handle.upgrade() {
5908                                            workspace.update(_cx, |workspace, cx| {
5909                                                workspace.focus_panel::<AgentPanel>(window, cx);
5910                                            });
5911                                        }
5912                                    })
5913                                    .log_err();
5914                            });
5915
5916                            this.dismiss_notifications(cx);
5917                        }
5918                        AgentNotificationEvent::Dismissed => {
5919                            this.dismiss_notifications(cx);
5920                        }
5921                    }
5922                }));
5923
5924            self.notifications.push(screen_window);
5925
5926            // If the user manually refocuses the original window, dismiss the popup.
5927            self.notification_subscriptions
5928                .entry(screen_window)
5929                .or_insert_with(Vec::new)
5930                .push({
5931                    let pop_up_weak = pop_up.downgrade();
5932
5933                    cx.observe_window_activation(window, move |_, window, cx| {
5934                        if window.is_window_active()
5935                            && let Some(pop_up) = pop_up_weak.upgrade()
5936                        {
5937                            pop_up.update(cx, |_, cx| {
5938                                cx.emit(AgentNotificationEvent::Dismissed);
5939                            });
5940                        }
5941                    })
5942                });
5943        }
5944    }
5945
5946    fn dismiss_notifications(&mut self, cx: &mut Context<Self>) {
5947        for window in self.notifications.drain(..) {
5948            window
5949                .update(cx, |_, window, _| {
5950                    window.remove_window();
5951                })
5952                .ok();
5953
5954            self.notification_subscriptions.remove(&window);
5955        }
5956    }
5957
5958    fn render_generating(&self, confirmation: bool, cx: &App) -> impl IntoElement {
5959        let show_stats = AgentSettings::get_global(cx).show_turn_stats;
5960        let elapsed_label = show_stats
5961            .then(|| {
5962                self.turn_started_at.and_then(|started_at| {
5963                    let elapsed = started_at.elapsed();
5964                    (elapsed > STOPWATCH_THRESHOLD).then(|| duration_alt_display(elapsed))
5965                })
5966            })
5967            .flatten();
5968
5969        let is_waiting = confirmation
5970            || self
5971                .thread()
5972                .is_some_and(|thread| thread.read(cx).has_in_progress_tool_calls());
5973
5974        let turn_tokens_label = elapsed_label
5975            .is_some()
5976            .then(|| {
5977                self.turn_tokens
5978                    .filter(|&tokens| tokens > TOKEN_THRESHOLD)
5979                    .map(|tokens| crate::text_thread_editor::humanize_token_count(tokens))
5980            })
5981            .flatten();
5982
5983        let arrow_icon = if is_waiting {
5984            IconName::ArrowUp
5985        } else {
5986            IconName::ArrowDown
5987        };
5988
5989        h_flex()
5990            .id("generating-spinner")
5991            .py_2()
5992            .px(rems_from_px(22.))
5993            .gap_2()
5994            .map(|this| {
5995                if confirmation {
5996                    this.child(
5997                        h_flex()
5998                            .w_2()
5999                            .child(SpinnerLabel::sand().size(LabelSize::Small)),
6000                    )
6001                    .child(
6002                        div().min_w(rems(8.)).child(
6003                            LoadingLabel::new("Waiting Confirmation")
6004                                .size(LabelSize::Small)
6005                                .color(Color::Muted),
6006                        ),
6007                    )
6008                } else {
6009                    this.child(SpinnerLabel::new().size(LabelSize::Small))
6010                }
6011            })
6012            .when_some(elapsed_label, |this, elapsed| {
6013                this.child(
6014                    Label::new(elapsed)
6015                        .size(LabelSize::Small)
6016                        .color(Color::Muted),
6017                )
6018            })
6019            .when_some(turn_tokens_label, |this, tokens| {
6020                this.child(
6021                    h_flex()
6022                        .gap_0p5()
6023                        .child(
6024                            Icon::new(arrow_icon)
6025                                .size(IconSize::XSmall)
6026                                .color(Color::Muted),
6027                        )
6028                        .child(
6029                            Label::new(format!("{} tokens", tokens))
6030                                .size(LabelSize::Small)
6031                                .color(Color::Muted),
6032                        ),
6033                )
6034            })
6035            .into_any_element()
6036    }
6037
6038    fn render_thread_controls(
6039        &self,
6040        thread: &Entity<AcpThread>,
6041        cx: &Context<Self>,
6042    ) -> impl IntoElement {
6043        let is_generating = matches!(thread.read(cx).status(), ThreadStatus::Generating);
6044        if is_generating {
6045            return self.render_generating(false, cx).into_any_element();
6046        }
6047
6048        let open_as_markdown = IconButton::new("open-as-markdown", IconName::FileMarkdown)
6049            .shape(ui::IconButtonShape::Square)
6050            .icon_size(IconSize::Small)
6051            .icon_color(Color::Ignored)
6052            .tooltip(Tooltip::text("Open Thread as Markdown"))
6053            .on_click(cx.listener(move |this, _, window, cx| {
6054                if let Some(workspace) = this.workspace.upgrade() {
6055                    this.open_thread_as_markdown(workspace, window, cx)
6056                        .detach_and_log_err(cx);
6057                }
6058            }));
6059
6060        let scroll_to_recent_user_prompt =
6061            IconButton::new("scroll_to_recent_user_prompt", IconName::ForwardArrow)
6062                .shape(ui::IconButtonShape::Square)
6063                .icon_size(IconSize::Small)
6064                .icon_color(Color::Ignored)
6065                .tooltip(Tooltip::text("Scroll To Most Recent User Prompt"))
6066                .on_click(cx.listener(move |this, _, _, cx| {
6067                    this.scroll_to_most_recent_user_prompt(cx);
6068                }));
6069
6070        let scroll_to_top = IconButton::new("scroll_to_top", IconName::ArrowUp)
6071            .shape(ui::IconButtonShape::Square)
6072            .icon_size(IconSize::Small)
6073            .icon_color(Color::Ignored)
6074            .tooltip(Tooltip::text("Scroll To Top"))
6075            .on_click(cx.listener(move |this, _, _, cx| {
6076                this.scroll_to_top(cx);
6077            }));
6078
6079        let show_stats = AgentSettings::get_global(cx).show_turn_stats;
6080        let last_turn_clock = show_stats
6081            .then(|| {
6082                self.last_turn_duration
6083                    .filter(|&duration| duration > STOPWATCH_THRESHOLD)
6084                    .map(|duration| {
6085                        Label::new(duration_alt_display(duration))
6086                            .size(LabelSize::Small)
6087                            .color(Color::Muted)
6088                    })
6089            })
6090            .flatten();
6091
6092        let last_turn_tokens = last_turn_clock
6093            .is_some()
6094            .then(|| {
6095                self.last_turn_tokens
6096                    .filter(|&tokens| tokens > TOKEN_THRESHOLD)
6097                    .map(|tokens| {
6098                        Label::new(format!(
6099                            "{} tokens",
6100                            crate::text_thread_editor::humanize_token_count(tokens)
6101                        ))
6102                        .size(LabelSize::Small)
6103                        .color(Color::Muted)
6104                    })
6105            })
6106            .flatten();
6107
6108        let mut container = h_flex()
6109            .w_full()
6110            .py_2()
6111            .px_5()
6112            .gap_px()
6113            .opacity(0.6)
6114            .hover(|s| s.opacity(1.))
6115            .justify_end()
6116            .when(
6117                last_turn_tokens.is_some() || last_turn_clock.is_some(),
6118                |this| {
6119                    this.child(
6120                        h_flex()
6121                            .gap_1()
6122                            .px_1()
6123                            .when_some(last_turn_tokens, |this, label| this.child(label))
6124                            .when_some(last_turn_clock, |this, label| this.child(label)),
6125                    )
6126                },
6127            );
6128
6129        if AgentSettings::get_global(cx).enable_feedback
6130            && self
6131                .thread()
6132                .is_some_and(|thread| thread.read(cx).connection().telemetry().is_some())
6133        {
6134            let feedback = self.thread_feedback.feedback;
6135
6136            let tooltip_meta = || {
6137                SharedString::new(
6138                    "Rating the thread sends all of your current conversation to the Zed team.",
6139                )
6140            };
6141
6142            container = container
6143                .child(
6144                    IconButton::new("feedback-thumbs-up", IconName::ThumbsUp)
6145                        .shape(ui::IconButtonShape::Square)
6146                        .icon_size(IconSize::Small)
6147                        .icon_color(match feedback {
6148                            Some(ThreadFeedback::Positive) => Color::Accent,
6149                            _ => Color::Ignored,
6150                        })
6151                        .tooltip(move |window, cx| match feedback {
6152                            Some(ThreadFeedback::Positive) => {
6153                                Tooltip::text("Thanks for your feedback!")(window, cx)
6154                            }
6155                            _ => Tooltip::with_meta("Helpful Response", None, tooltip_meta(), cx),
6156                        })
6157                        .on_click(cx.listener(move |this, _, window, cx| {
6158                            this.handle_feedback_click(ThreadFeedback::Positive, window, cx);
6159                        })),
6160                )
6161                .child(
6162                    IconButton::new("feedback-thumbs-down", IconName::ThumbsDown)
6163                        .shape(ui::IconButtonShape::Square)
6164                        .icon_size(IconSize::Small)
6165                        .icon_color(match feedback {
6166                            Some(ThreadFeedback::Negative) => Color::Accent,
6167                            _ => Color::Ignored,
6168                        })
6169                        .tooltip(move |window, cx| match feedback {
6170                            Some(ThreadFeedback::Negative) => {
6171                                Tooltip::text(
6172                                    "We appreciate your feedback and will use it to improve in the future.",
6173                                )(window, cx)
6174                            }
6175                            _ => {
6176                                Tooltip::with_meta("Not Helpful Response", None, tooltip_meta(), cx)
6177                            }
6178                        })
6179                        .on_click(cx.listener(move |this, _, window, cx| {
6180                            this.handle_feedback_click(ThreadFeedback::Negative, window, cx);
6181                        })),
6182                );
6183        }
6184
6185        if cx.has_flag::<AgentSharingFeatureFlag>()
6186            && self.is_imported_thread(cx)
6187            && self
6188                .project
6189                .read(cx)
6190                .client()
6191                .status()
6192                .borrow()
6193                .is_connected()
6194        {
6195            let sync_button = IconButton::new("sync-thread", IconName::ArrowCircle)
6196                .shape(ui::IconButtonShape::Square)
6197                .icon_size(IconSize::Small)
6198                .icon_color(Color::Ignored)
6199                .tooltip(Tooltip::text("Sync with source thread"))
6200                .on_click(cx.listener(move |this, _, window, cx| {
6201                    this.sync_thread(window, cx);
6202                }));
6203
6204            container = container.child(sync_button);
6205        }
6206
6207        if cx.has_flag::<AgentSharingFeatureFlag>() && !self.is_imported_thread(cx) {
6208            let share_button = IconButton::new("share-thread", IconName::ArrowUpRight)
6209                .shape(ui::IconButtonShape::Square)
6210                .icon_size(IconSize::Small)
6211                .icon_color(Color::Ignored)
6212                .tooltip(Tooltip::text("Share Thread"))
6213                .on_click(cx.listener(move |this, _, window, cx| {
6214                    this.share_thread(window, cx);
6215                }));
6216
6217            container = container.child(share_button);
6218        }
6219
6220        container
6221            .child(open_as_markdown)
6222            .child(scroll_to_recent_user_prompt)
6223            .child(scroll_to_top)
6224            .into_any_element()
6225    }
6226
6227    fn render_feedback_feedback_editor(editor: Entity<Editor>, cx: &Context<Self>) -> Div {
6228        h_flex()
6229            .key_context("AgentFeedbackMessageEditor")
6230            .on_action(cx.listener(move |this, _: &menu::Cancel, _, cx| {
6231                this.thread_feedback.dismiss_comments();
6232                cx.notify();
6233            }))
6234            .on_action(cx.listener(move |this, _: &menu::Confirm, _window, cx| {
6235                this.submit_feedback_message(cx);
6236            }))
6237            .p_2()
6238            .mb_2()
6239            .mx_5()
6240            .gap_1()
6241            .rounded_md()
6242            .border_1()
6243            .border_color(cx.theme().colors().border)
6244            .bg(cx.theme().colors().editor_background)
6245            .child(div().w_full().child(editor))
6246            .child(
6247                h_flex()
6248                    .child(
6249                        IconButton::new("dismiss-feedback-message", IconName::Close)
6250                            .icon_color(Color::Error)
6251                            .icon_size(IconSize::XSmall)
6252                            .shape(ui::IconButtonShape::Square)
6253                            .on_click(cx.listener(move |this, _, _window, cx| {
6254                                this.thread_feedback.dismiss_comments();
6255                                cx.notify();
6256                            })),
6257                    )
6258                    .child(
6259                        IconButton::new("submit-feedback-message", IconName::Return)
6260                            .icon_size(IconSize::XSmall)
6261                            .shape(ui::IconButtonShape::Square)
6262                            .on_click(cx.listener(move |this, _, _window, cx| {
6263                                this.submit_feedback_message(cx);
6264                            })),
6265                    ),
6266            )
6267    }
6268
6269    fn handle_feedback_click(
6270        &mut self,
6271        feedback: ThreadFeedback,
6272        window: &mut Window,
6273        cx: &mut Context<Self>,
6274    ) {
6275        let Some(thread) = self.thread().cloned() else {
6276            return;
6277        };
6278
6279        self.thread_feedback.submit(thread, feedback, window, cx);
6280        cx.notify();
6281    }
6282
6283    fn submit_feedback_message(&mut self, cx: &mut Context<Self>) {
6284        let Some(thread) = self.thread().cloned() else {
6285            return;
6286        };
6287
6288        self.thread_feedback.submit_comments(thread, cx);
6289        cx.notify();
6290    }
6291
6292    fn render_token_limit_callout(&self, cx: &mut Context<Self>) -> Option<Callout> {
6293        if self.token_limit_callout_dismissed {
6294            return None;
6295        }
6296
6297        let token_usage = self.thread()?.read(cx).token_usage()?;
6298        let ratio = token_usage.ratio();
6299
6300        let (severity, icon, title) = match ratio {
6301            acp_thread::TokenUsageRatio::Normal => return None,
6302            acp_thread::TokenUsageRatio::Warning => (
6303                Severity::Warning,
6304                IconName::Warning,
6305                "Thread reaching the token limit soon",
6306            ),
6307            acp_thread::TokenUsageRatio::Exceeded => (
6308                Severity::Error,
6309                IconName::XCircle,
6310                "Thread reached the token limit",
6311            ),
6312        };
6313
6314        let burn_mode_available = self.as_native_thread(cx).is_some_and(|thread| {
6315            thread.read(cx).completion_mode() == CompletionMode::Normal
6316                && thread
6317                    .read(cx)
6318                    .model()
6319                    .is_some_and(|model| model.supports_burn_mode())
6320        });
6321
6322        let description = if burn_mode_available {
6323            "To continue, start a new thread from a summary or turn Burn Mode on."
6324        } else {
6325            "To continue, start a new thread from a summary."
6326        };
6327
6328        Some(
6329            Callout::new()
6330                .severity(severity)
6331                .icon(icon)
6332                .title(title)
6333                .description(description)
6334                .actions_slot(
6335                    h_flex()
6336                        .gap_0p5()
6337                        .child(
6338                            Button::new("start-new-thread", "Start New Thread")
6339                                .label_size(LabelSize::Small)
6340                                .on_click(cx.listener(|this, _, window, cx| {
6341                                    let Some(thread) = this.thread() else {
6342                                        return;
6343                                    };
6344                                    let session_id = thread.read(cx).session_id().clone();
6345                                    window.dispatch_action(
6346                                        crate::NewNativeAgentThreadFromSummary {
6347                                            from_session_id: session_id,
6348                                        }
6349                                        .boxed_clone(),
6350                                        cx,
6351                                    );
6352                                })),
6353                        )
6354                        .when(burn_mode_available, |this| {
6355                            this.child(
6356                                IconButton::new("burn-mode-callout", IconName::ZedBurnMode)
6357                                    .icon_size(IconSize::XSmall)
6358                                    .on_click(cx.listener(|this, _event, window, cx| {
6359                                        this.toggle_burn_mode(&ToggleBurnMode, window, cx);
6360                                    })),
6361                            )
6362                        }),
6363                )
6364                .dismiss_action(self.dismiss_error_button(cx)),
6365        )
6366    }
6367
6368    fn render_usage_callout(&self, line_height: Pixels, cx: &mut Context<Self>) -> Option<Div> {
6369        if !self.is_using_zed_ai_models(cx) {
6370            return None;
6371        }
6372
6373        let user_store = self.project.read(cx).user_store().read(cx);
6374        if user_store.is_usage_based_billing_enabled() {
6375            return None;
6376        }
6377
6378        let plan = user_store
6379            .plan()
6380            .unwrap_or(cloud_llm_client::Plan::V1(PlanV1::ZedFree));
6381
6382        let usage = user_store.model_request_usage()?;
6383
6384        Some(
6385            div()
6386                .child(UsageCallout::new(plan, usage))
6387                .line_height(line_height),
6388        )
6389    }
6390
6391    fn agent_ui_font_size_changed(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
6392        self.entry_view_state.update(cx, |entry_view_state, cx| {
6393            entry_view_state.agent_ui_font_size_changed(cx);
6394        });
6395    }
6396
6397    pub(crate) fn insert_dragged_files(
6398        &self,
6399        paths: Vec<project::ProjectPath>,
6400        added_worktrees: Vec<Entity<project::Worktree>>,
6401        window: &mut Window,
6402        cx: &mut Context<Self>,
6403    ) {
6404        self.message_editor.update(cx, |message_editor, cx| {
6405            message_editor.insert_dragged_files(paths, added_worktrees, window, cx);
6406        })
6407    }
6408
6409    /// Inserts the selected text into the message editor or the message being
6410    /// edited, if any.
6411    pub(crate) fn insert_selections(&self, window: &mut Window, cx: &mut Context<Self>) {
6412        self.active_editor(cx).update(cx, |editor, cx| {
6413            editor.insert_selections(window, cx);
6414        });
6415    }
6416
6417    fn render_thread_retry_status_callout(
6418        &self,
6419        _window: &mut Window,
6420        _cx: &mut Context<Self>,
6421    ) -> Option<Callout> {
6422        let state = self.thread_retry_status.as_ref()?;
6423
6424        let next_attempt_in = state
6425            .duration
6426            .saturating_sub(Instant::now().saturating_duration_since(state.started_at));
6427        if next_attempt_in.is_zero() {
6428            return None;
6429        }
6430
6431        let next_attempt_in_secs = next_attempt_in.as_secs() + 1;
6432
6433        let retry_message = if state.max_attempts == 1 {
6434            if next_attempt_in_secs == 1 {
6435                "Retrying. Next attempt in 1 second.".to_string()
6436            } else {
6437                format!("Retrying. Next attempt in {next_attempt_in_secs} seconds.")
6438            }
6439        } else if next_attempt_in_secs == 1 {
6440            format!(
6441                "Retrying. Next attempt in 1 second (Attempt {} of {}).",
6442                state.attempt, state.max_attempts,
6443            )
6444        } else {
6445            format!(
6446                "Retrying. Next attempt in {next_attempt_in_secs} seconds (Attempt {} of {}).",
6447                state.attempt, state.max_attempts,
6448            )
6449        };
6450
6451        Some(
6452            Callout::new()
6453                .severity(Severity::Warning)
6454                .title(state.last_error.clone())
6455                .description(retry_message),
6456        )
6457    }
6458
6459    fn render_codex_windows_warning(&self, cx: &mut Context<Self>) -> Callout {
6460        Callout::new()
6461            .icon(IconName::Warning)
6462            .severity(Severity::Warning)
6463            .title("Codex on Windows")
6464            .description("For best performance, run Codex in Windows Subsystem for Linux (WSL2)")
6465            .actions_slot(
6466                Button::new("open-wsl-modal", "Open in WSL")
6467                    .icon_size(IconSize::Small)
6468                    .icon_color(Color::Muted)
6469                    .on_click(cx.listener({
6470                        move |_, _, _window, cx| {
6471                            #[cfg(windows)]
6472                            _window.dispatch_action(
6473                                zed_actions::wsl_actions::OpenWsl::default().boxed_clone(),
6474                                cx,
6475                            );
6476                            cx.notify();
6477                        }
6478                    })),
6479            )
6480            .dismiss_action(
6481                IconButton::new("dismiss", IconName::Close)
6482                    .icon_size(IconSize::Small)
6483                    .icon_color(Color::Muted)
6484                    .tooltip(Tooltip::text("Dismiss Warning"))
6485                    .on_click(cx.listener({
6486                        move |this, _, _, cx| {
6487                            this.show_codex_windows_warning = false;
6488                            cx.notify();
6489                        }
6490                    })),
6491            )
6492    }
6493
6494    fn render_thread_error(&mut self, window: &mut Window, cx: &mut Context<Self>) -> Option<Div> {
6495        let content = match self.thread_error.as_ref()? {
6496            ThreadError::Other(error) => self.render_any_thread_error(error.clone(), window, cx),
6497            ThreadError::Refusal => self.render_refusal_error(cx),
6498            ThreadError::AuthenticationRequired(error) => {
6499                self.render_authentication_required_error(error.clone(), cx)
6500            }
6501            ThreadError::PaymentRequired => self.render_payment_required_error(cx),
6502            ThreadError::ModelRequestLimitReached(plan) => {
6503                self.render_model_request_limit_reached_error(*plan, cx)
6504            }
6505            ThreadError::ToolUseLimitReached => self.render_tool_use_limit_reached_error(cx)?,
6506        };
6507
6508        Some(div().child(content))
6509    }
6510
6511    fn render_new_version_callout(&self, version: &SharedString, cx: &mut Context<Self>) -> Div {
6512        v_flex().w_full().justify_end().child(
6513            h_flex()
6514                .p_2()
6515                .pr_3()
6516                .w_full()
6517                .gap_1p5()
6518                .border_t_1()
6519                .border_color(cx.theme().colors().border)
6520                .bg(cx.theme().colors().element_background)
6521                .child(
6522                    h_flex()
6523                        .flex_1()
6524                        .gap_1p5()
6525                        .child(
6526                            Icon::new(IconName::Download)
6527                                .color(Color::Accent)
6528                                .size(IconSize::Small),
6529                        )
6530                        .child(Label::new("New version available").size(LabelSize::Small)),
6531                )
6532                .child(
6533                    Button::new("update-button", format!("Update to v{}", version))
6534                        .label_size(LabelSize::Small)
6535                        .style(ButtonStyle::Tinted(TintColor::Accent))
6536                        .on_click(cx.listener(|this, _, window, cx| {
6537                            this.reset(window, cx);
6538                        })),
6539                ),
6540        )
6541    }
6542
6543    fn current_mode_id(&self, cx: &App) -> Option<Arc<str>> {
6544        if let Some(thread) = self.as_native_thread(cx) {
6545            Some(thread.read(cx).profile().0.clone())
6546        } else if let Some(mode_selector) = self.mode_selector() {
6547            Some(mode_selector.read(cx).mode().0)
6548        } else {
6549            None
6550        }
6551    }
6552
6553    fn current_model_id(&self, cx: &App) -> Option<String> {
6554        self.model_selector
6555            .as_ref()
6556            .and_then(|selector| selector.read(cx).active_model(cx).map(|m| m.id.to_string()))
6557    }
6558
6559    fn current_model_name(&self, cx: &App) -> SharedString {
6560        // For native agent (Zed Agent), use the specific model name (e.g., "Claude 3.5 Sonnet")
6561        // For ACP agents, use the agent name (e.g., "Claude Code", "Gemini CLI")
6562        // This provides better clarity about what refused the request
6563        if self.as_native_connection(cx).is_some() {
6564            self.model_selector
6565                .as_ref()
6566                .and_then(|selector| selector.read(cx).active_model(cx))
6567                .map(|model| model.name.clone())
6568                .unwrap_or_else(|| SharedString::from("The model"))
6569        } else {
6570            // ACP agent - use the agent name (e.g., "Claude Code", "Gemini CLI")
6571            self.agent.name()
6572        }
6573    }
6574
6575    fn render_refusal_error(&self, cx: &mut Context<'_, Self>) -> Callout {
6576        let model_or_agent_name = self.current_model_name(cx);
6577        let refusal_message = format!(
6578            "{} 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.",
6579            model_or_agent_name
6580        );
6581
6582        Callout::new()
6583            .severity(Severity::Error)
6584            .title("Request Refused")
6585            .icon(IconName::XCircle)
6586            .description(refusal_message.clone())
6587            .actions_slot(self.create_copy_button(&refusal_message))
6588            .dismiss_action(self.dismiss_error_button(cx))
6589    }
6590
6591    fn render_any_thread_error(
6592        &mut self,
6593        error: SharedString,
6594        window: &mut Window,
6595        cx: &mut Context<'_, Self>,
6596    ) -> Callout {
6597        let can_resume = self
6598            .thread()
6599            .map_or(false, |thread| thread.read(cx).can_resume(cx));
6600
6601        let can_enable_burn_mode = self.as_native_thread(cx).map_or(false, |thread| {
6602            let thread = thread.read(cx);
6603            let supports_burn_mode = thread
6604                .model()
6605                .map_or(false, |model| model.supports_burn_mode());
6606            supports_burn_mode && thread.completion_mode() == CompletionMode::Normal
6607        });
6608
6609        let markdown = if let Some(markdown) = &self.thread_error_markdown {
6610            markdown.clone()
6611        } else {
6612            let markdown = cx.new(|cx| Markdown::new(error.clone(), None, None, cx));
6613            self.thread_error_markdown = Some(markdown.clone());
6614            markdown
6615        };
6616
6617        let markdown_style = default_markdown_style(false, true, window, cx);
6618        let description = self
6619            .render_markdown(markdown, markdown_style)
6620            .into_any_element();
6621
6622        Callout::new()
6623            .severity(Severity::Error)
6624            .icon(IconName::XCircle)
6625            .title("An Error Happened")
6626            .description_slot(description)
6627            .actions_slot(
6628                h_flex()
6629                    .gap_0p5()
6630                    .when(can_resume && can_enable_burn_mode, |this| {
6631                        this.child(
6632                            Button::new("enable-burn-mode-and-retry", "Enable Burn Mode and Retry")
6633                                .icon(IconName::ZedBurnMode)
6634                                .icon_position(IconPosition::Start)
6635                                .icon_size(IconSize::Small)
6636                                .label_size(LabelSize::Small)
6637                                .on_click(cx.listener(|this, _, window, cx| {
6638                                    this.toggle_burn_mode(&ToggleBurnMode, window, cx);
6639                                    this.resume_chat(cx);
6640                                })),
6641                        )
6642                    })
6643                    .when(can_resume, |this| {
6644                        this.child(
6645                            IconButton::new("retry", IconName::RotateCw)
6646                                .icon_size(IconSize::Small)
6647                                .tooltip(Tooltip::text("Retry Generation"))
6648                                .on_click(cx.listener(|this, _, _window, cx| {
6649                                    this.resume_chat(cx);
6650                                })),
6651                        )
6652                    })
6653                    .child(self.create_copy_button(error.to_string())),
6654            )
6655            .dismiss_action(self.dismiss_error_button(cx))
6656    }
6657
6658    fn render_payment_required_error(&self, cx: &mut Context<Self>) -> Callout {
6659        const ERROR_MESSAGE: &str =
6660            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
6661
6662        Callout::new()
6663            .severity(Severity::Error)
6664            .icon(IconName::XCircle)
6665            .title("Free Usage Exceeded")
6666            .description(ERROR_MESSAGE)
6667            .actions_slot(
6668                h_flex()
6669                    .gap_0p5()
6670                    .child(self.upgrade_button(cx))
6671                    .child(self.create_copy_button(ERROR_MESSAGE)),
6672            )
6673            .dismiss_action(self.dismiss_error_button(cx))
6674    }
6675
6676    fn render_authentication_required_error(
6677        &self,
6678        error: SharedString,
6679        cx: &mut Context<Self>,
6680    ) -> Callout {
6681        Callout::new()
6682            .severity(Severity::Error)
6683            .title("Authentication Required")
6684            .icon(IconName::XCircle)
6685            .description(error.clone())
6686            .actions_slot(
6687                h_flex()
6688                    .gap_0p5()
6689                    .child(self.authenticate_button(cx))
6690                    .child(self.create_copy_button(error)),
6691            )
6692            .dismiss_action(self.dismiss_error_button(cx))
6693    }
6694
6695    fn render_model_request_limit_reached_error(
6696        &self,
6697        plan: cloud_llm_client::Plan,
6698        cx: &mut Context<Self>,
6699    ) -> Callout {
6700        let error_message = match plan {
6701            cloud_llm_client::Plan::V1(PlanV1::ZedPro) => {
6702                "Upgrade to usage-based billing for more prompts."
6703            }
6704            cloud_llm_client::Plan::V1(PlanV1::ZedProTrial)
6705            | cloud_llm_client::Plan::V1(PlanV1::ZedFree) => "Upgrade to Zed Pro for more prompts.",
6706            cloud_llm_client::Plan::V2(_) => "",
6707        };
6708
6709        Callout::new()
6710            .severity(Severity::Error)
6711            .title("Model Prompt Limit Reached")
6712            .icon(IconName::XCircle)
6713            .description(error_message)
6714            .actions_slot(
6715                h_flex()
6716                    .gap_0p5()
6717                    .child(self.upgrade_button(cx))
6718                    .child(self.create_copy_button(error_message)),
6719            )
6720            .dismiss_action(self.dismiss_error_button(cx))
6721    }
6722
6723    fn render_tool_use_limit_reached_error(&self, cx: &mut Context<Self>) -> Option<Callout> {
6724        let thread = self.as_native_thread(cx)?;
6725        let supports_burn_mode = thread
6726            .read(cx)
6727            .model()
6728            .is_some_and(|model| model.supports_burn_mode());
6729
6730        let focus_handle = self.focus_handle(cx);
6731
6732        Some(
6733            Callout::new()
6734                .icon(IconName::Info)
6735                .title("Consecutive tool use limit reached.")
6736                .actions_slot(
6737                    h_flex()
6738                        .gap_0p5()
6739                        .when(supports_burn_mode, |this| {
6740                            this.child(
6741                                Button::new("continue-burn-mode", "Continue with Burn Mode")
6742                                    .style(ButtonStyle::Filled)
6743                                    .style(ButtonStyle::Tinted(ui::TintColor::Accent))
6744                                    .layer(ElevationIndex::ModalSurface)
6745                                    .label_size(LabelSize::Small)
6746                                    .key_binding(
6747                                        KeyBinding::for_action_in(
6748                                            &ContinueWithBurnMode,
6749                                            &focus_handle,
6750                                            cx,
6751                                        )
6752                                        .map(|kb| kb.size(rems_from_px(10.))),
6753                                    )
6754                                    .tooltip(Tooltip::text(
6755                                        "Enable Burn Mode for unlimited tool use.",
6756                                    ))
6757                                    .on_click({
6758                                        cx.listener(move |this, _, _window, cx| {
6759                                            thread.update(cx, |thread, cx| {
6760                                                thread
6761                                                    .set_completion_mode(CompletionMode::Burn, cx);
6762                                            });
6763                                            this.resume_chat(cx);
6764                                        })
6765                                    }),
6766                            )
6767                        })
6768                        .child(
6769                            Button::new("continue-conversation", "Continue")
6770                                .layer(ElevationIndex::ModalSurface)
6771                                .label_size(LabelSize::Small)
6772                                .key_binding(
6773                                    KeyBinding::for_action_in(&ContinueThread, &focus_handle, cx)
6774                                        .map(|kb| kb.size(rems_from_px(10.))),
6775                                )
6776                                .on_click(cx.listener(|this, _, _window, cx| {
6777                                    this.resume_chat(cx);
6778                                })),
6779                        ),
6780                ),
6781        )
6782    }
6783
6784    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
6785        let message = message.into();
6786
6787        CopyButton::new(message).tooltip_label("Copy Error Message")
6788    }
6789
6790    fn dismiss_error_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
6791        IconButton::new("dismiss", IconName::Close)
6792            .icon_size(IconSize::Small)
6793            .tooltip(Tooltip::text("Dismiss"))
6794            .on_click(cx.listener({
6795                move |this, _, _, cx| {
6796                    this.clear_thread_error(cx);
6797                    cx.notify();
6798                }
6799            }))
6800    }
6801
6802    fn authenticate_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
6803        Button::new("authenticate", "Authenticate")
6804            .label_size(LabelSize::Small)
6805            .style(ButtonStyle::Filled)
6806            .on_click(cx.listener({
6807                move |this, _, window, cx| {
6808                    let agent = this.agent.clone();
6809                    let ThreadState::Ready { thread, .. } = &this.thread_state else {
6810                        return;
6811                    };
6812
6813                    let connection = thread.read(cx).connection().clone();
6814                    this.clear_thread_error(cx);
6815                    if let Some(message) = this.in_flight_prompt.take() {
6816                        this.message_editor.update(cx, |editor, cx| {
6817                            editor.set_message(message, window, cx);
6818                        });
6819                    }
6820                    let this = cx.weak_entity();
6821                    window.defer(cx, |window, cx| {
6822                        Self::handle_auth_required(
6823                            this,
6824                            AuthRequired::new(),
6825                            agent,
6826                            connection,
6827                            window,
6828                            cx,
6829                        );
6830                    })
6831                }
6832            }))
6833    }
6834
6835    pub(crate) fn reauthenticate(&mut self, window: &mut Window, cx: &mut Context<Self>) {
6836        let agent = self.agent.clone();
6837        let ThreadState::Ready { thread, .. } = &self.thread_state else {
6838            return;
6839        };
6840
6841        let connection = thread.read(cx).connection().clone();
6842        self.clear_thread_error(cx);
6843        let this = cx.weak_entity();
6844        window.defer(cx, |window, cx| {
6845            Self::handle_auth_required(this, AuthRequired::new(), agent, connection, window, cx);
6846        })
6847    }
6848
6849    fn upgrade_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
6850        Button::new("upgrade", "Upgrade")
6851            .label_size(LabelSize::Small)
6852            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
6853            .on_click(cx.listener({
6854                move |this, _, _, cx| {
6855                    this.clear_thread_error(cx);
6856                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
6857                }
6858            }))
6859    }
6860
6861    pub fn delete_history_entry(&mut self, entry: AgentSessionInfo, cx: &mut Context<Self>) {
6862        let Some(session_list) = self.session_list.as_ref() else {
6863            return;
6864        };
6865        let task = session_list.delete_session(&entry.session_id, cx);
6866        task.detach_and_log_err(cx);
6867    }
6868
6869    /// Returns the currently active editor, either for a message that is being
6870    /// edited or the editor for a new message.
6871    fn active_editor(&self, cx: &App) -> Entity<MessageEditor> {
6872        if let Some(index) = self.editing_message
6873            && let Some(editor) = self
6874                .entry_view_state
6875                .read(cx)
6876                .entry(index)
6877                .and_then(|e| e.message_editor())
6878                .cloned()
6879        {
6880            editor
6881        } else {
6882            self.message_editor.clone()
6883        }
6884    }
6885}
6886
6887fn loading_contents_spinner(size: IconSize) -> AnyElement {
6888    Icon::new(IconName::LoadCircle)
6889        .size(size)
6890        .color(Color::Accent)
6891        .with_rotate_animation(3)
6892        .into_any_element()
6893}
6894
6895fn placeholder_text(agent_name: &str, has_commands: bool) -> String {
6896    if agent_name == "Zed Agent" {
6897        format!("Message the {} — @ to include context", agent_name)
6898    } else if has_commands {
6899        format!(
6900            "Message {} — @ to include context, / for commands",
6901            agent_name
6902        )
6903    } else {
6904        format!("Message {} — @ to include context", agent_name)
6905    }
6906}
6907
6908impl Focusable for AcpThreadView {
6909    fn focus_handle(&self, cx: &App) -> FocusHandle {
6910        match self.thread_state {
6911            ThreadState::Ready { .. } => self.active_editor(cx).focus_handle(cx),
6912            ThreadState::Loading { .. }
6913            | ThreadState::LoadError(_)
6914            | ThreadState::Unauthenticated { .. } => self.focus_handle.clone(),
6915        }
6916    }
6917}
6918
6919#[cfg(any(test, feature = "test-support"))]
6920impl AcpThreadView {
6921    /// Expands a tool call so its content is visible.
6922    /// This is primarily useful for visual testing.
6923    pub fn expand_tool_call(&mut self, tool_call_id: acp::ToolCallId, cx: &mut Context<Self>) {
6924        self.expanded_tool_calls.insert(tool_call_id);
6925        cx.notify();
6926    }
6927}
6928
6929impl Render for AcpThreadView {
6930    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
6931        let has_messages = self.list_state.item_count() > 0;
6932        let line_height = TextSize::Small.rems(cx).to_pixels(window.rem_size()) * 1.5;
6933
6934        v_flex()
6935            .size_full()
6936            .key_context("AcpThread")
6937            .on_action(cx.listener(|this, _: &menu::Cancel, _, cx| {
6938                this.cancel_generation(cx);
6939            }))
6940            .on_action(cx.listener(Self::toggle_burn_mode))
6941            .on_action(cx.listener(Self::keep_all))
6942            .on_action(cx.listener(Self::reject_all))
6943            .on_action(cx.listener(Self::allow_always))
6944            .on_action(cx.listener(Self::allow_once))
6945            .on_action(cx.listener(Self::reject_once))
6946            .on_action(cx.listener(|this, _: &SendNextQueuedMessage, window, cx| {
6947                this.send_queued_message_at_index(0, true, window, cx);
6948            }))
6949            .on_action(cx.listener(|this, _: &ClearMessageQueue, _, cx| {
6950                this.message_queue.clear();
6951                cx.notify();
6952            }))
6953            .on_action(cx.listener(|this, _: &ToggleProfileSelector, window, cx| {
6954                if let Some(config_options_view) = this.config_options_view.as_ref() {
6955                    let handled = config_options_view.update(cx, |view, cx| {
6956                        view.toggle_category_picker(
6957                            acp::SessionConfigOptionCategory::Mode,
6958                            window,
6959                            cx,
6960                        )
6961                    });
6962                    if handled {
6963                        return;
6964                    }
6965                }
6966
6967                if let Some(profile_selector) = this.profile_selector.as_ref() {
6968                    profile_selector.read(cx).menu_handle().toggle(window, cx);
6969                } else if let Some(mode_selector) = this.mode_selector() {
6970                    mode_selector.read(cx).menu_handle().toggle(window, cx);
6971                }
6972            }))
6973            .on_action(cx.listener(|this, _: &CycleModeSelector, window, cx| {
6974                if let Some(config_options_view) = this.config_options_view.as_ref() {
6975                    let handled = config_options_view.update(cx, |view, cx| {
6976                        view.cycle_category_option(
6977                            acp::SessionConfigOptionCategory::Mode,
6978                            false,
6979                            cx,
6980                        )
6981                    });
6982                    if handled {
6983                        return;
6984                    }
6985                }
6986
6987                if let Some(profile_selector) = this.profile_selector.as_ref() {
6988                    profile_selector.update(cx, |profile_selector, cx| {
6989                        profile_selector.cycle_profile(cx);
6990                    });
6991                } else if let Some(mode_selector) = this.mode_selector() {
6992                    mode_selector.update(cx, |mode_selector, cx| {
6993                        mode_selector.cycle_mode(window, cx);
6994                    });
6995                }
6996            }))
6997            .on_action(cx.listener(|this, _: &ToggleModelSelector, window, cx| {
6998                if let Some(config_options_view) = this.config_options_view.as_ref() {
6999                    let handled = config_options_view.update(cx, |view, cx| {
7000                        view.toggle_category_picker(
7001                            acp::SessionConfigOptionCategory::Model,
7002                            window,
7003                            cx,
7004                        )
7005                    });
7006                    if handled {
7007                        return;
7008                    }
7009                }
7010
7011                if let Some(model_selector) = this.model_selector.as_ref() {
7012                    model_selector
7013                        .update(cx, |model_selector, cx| model_selector.toggle(window, cx));
7014                }
7015            }))
7016            .on_action(cx.listener(|this, _: &CycleFavoriteModels, window, cx| {
7017                if let Some(config_options_view) = this.config_options_view.as_ref() {
7018                    let handled = config_options_view.update(cx, |view, cx| {
7019                        view.cycle_category_option(
7020                            acp::SessionConfigOptionCategory::Model,
7021                            true,
7022                            cx,
7023                        )
7024                    });
7025                    if handled {
7026                        return;
7027                    }
7028                }
7029
7030                if let Some(model_selector) = this.model_selector.as_ref() {
7031                    model_selector.update(cx, |model_selector, cx| {
7032                        model_selector.cycle_favorite_models(window, cx);
7033                    });
7034                }
7035            }))
7036            .track_focus(&self.focus_handle)
7037            .bg(cx.theme().colors().panel_background)
7038            .child(match &self.thread_state {
7039                ThreadState::Unauthenticated {
7040                    connection,
7041                    description,
7042                    configuration_view,
7043                    pending_auth_method,
7044                    ..
7045                } => v_flex()
7046                    .flex_1()
7047                    .size_full()
7048                    .justify_end()
7049                    .child(self.render_auth_required_state(
7050                        connection,
7051                        description.as_ref(),
7052                        configuration_view.as_ref(),
7053                        pending_auth_method.as_ref(),
7054                        window,
7055                        cx,
7056                    ))
7057                    .into_any_element(),
7058                ThreadState::Loading { .. } => v_flex()
7059                    .flex_1()
7060                    .child(self.render_recent_history(cx))
7061                    .into_any(),
7062                ThreadState::LoadError(e) => v_flex()
7063                    .flex_1()
7064                    .size_full()
7065                    .items_center()
7066                    .justify_end()
7067                    .child(self.render_load_error(e, window, cx))
7068                    .into_any(),
7069                ThreadState::Ready { .. } => v_flex().flex_1().map(|this| {
7070                    if has_messages {
7071                        this.child(
7072                            list(
7073                                self.list_state.clone(),
7074                                cx.processor(|this, index: usize, window, cx| {
7075                                    let Some((entry, len)) = this.thread().and_then(|thread| {
7076                                        let entries = &thread.read(cx).entries();
7077                                        Some((entries.get(index)?, entries.len()))
7078                                    }) else {
7079                                        return Empty.into_any();
7080                                    };
7081                                    this.render_entry(index, len, entry, window, cx)
7082                                }),
7083                            )
7084                            .with_sizing_behavior(gpui::ListSizingBehavior::Auto)
7085                            .flex_grow()
7086                            .into_any(),
7087                        )
7088                        .vertical_scrollbar_for(&self.list_state, window, cx)
7089                        .into_any()
7090                    } else {
7091                        this.child(self.render_recent_history(cx)).into_any()
7092                    }
7093                }),
7094            })
7095            // The activity bar is intentionally rendered outside of the ThreadState::Ready match
7096            // above so that the scrollbar doesn't render behind it. The current setup allows
7097            // the scrollbar to stop exactly at the activity bar start.
7098            .when(has_messages, |this| match &self.thread_state {
7099                ThreadState::Ready { thread, .. } => {
7100                    this.children(self.render_activity_bar(thread, window, cx))
7101                }
7102                _ => this,
7103            })
7104            .children(self.render_thread_retry_status_callout(window, cx))
7105            .when(self.show_codex_windows_warning, |this| {
7106                this.child(self.render_codex_windows_warning(cx))
7107            })
7108            .children(self.render_thread_error(window, cx))
7109            .when_some(
7110                self.new_server_version_available.as_ref().filter(|_| {
7111                    !has_messages || !matches!(self.thread_state, ThreadState::Ready { .. })
7112                }),
7113                |this, version| this.child(self.render_new_version_callout(&version, cx)),
7114            )
7115            .children(
7116                if let Some(usage_callout) = self.render_usage_callout(line_height, cx) {
7117                    Some(usage_callout.into_any_element())
7118                } else {
7119                    self.render_token_limit_callout(cx)
7120                        .map(|token_limit_callout| token_limit_callout.into_any_element())
7121                },
7122            )
7123            .child(self.render_message_editor(window, cx))
7124    }
7125}
7126
7127fn default_markdown_style(
7128    buffer_font: bool,
7129    muted_text: bool,
7130    window: &Window,
7131    cx: &App,
7132) -> MarkdownStyle {
7133    let theme_settings = ThemeSettings::get_global(cx);
7134    let colors = cx.theme().colors();
7135
7136    let buffer_font_size = theme_settings.agent_buffer_font_size(cx);
7137
7138    let mut text_style = window.text_style();
7139    let line_height = buffer_font_size * 1.75;
7140
7141    let font_family = if buffer_font {
7142        theme_settings.buffer_font.family.clone()
7143    } else {
7144        theme_settings.ui_font.family.clone()
7145    };
7146
7147    let font_size = if buffer_font {
7148        theme_settings.agent_buffer_font_size(cx)
7149    } else {
7150        theme_settings.agent_ui_font_size(cx)
7151    };
7152
7153    let text_color = if muted_text {
7154        colors.text_muted
7155    } else {
7156        colors.text
7157    };
7158
7159    text_style.refine(&TextStyleRefinement {
7160        font_family: Some(font_family),
7161        font_fallbacks: theme_settings.ui_font.fallbacks.clone(),
7162        font_features: Some(theme_settings.ui_font.features.clone()),
7163        font_size: Some(font_size.into()),
7164        line_height: Some(line_height.into()),
7165        color: Some(text_color),
7166        ..Default::default()
7167    });
7168
7169    MarkdownStyle {
7170        base_text_style: text_style.clone(),
7171        syntax: cx.theme().syntax().clone(),
7172        selection_background_color: colors.element_selection_background,
7173        code_block_overflow_x_scroll: true,
7174        heading_level_styles: Some(HeadingLevelStyles {
7175            h1: Some(TextStyleRefinement {
7176                font_size: Some(rems(1.15).into()),
7177                ..Default::default()
7178            }),
7179            h2: Some(TextStyleRefinement {
7180                font_size: Some(rems(1.1).into()),
7181                ..Default::default()
7182            }),
7183            h3: Some(TextStyleRefinement {
7184                font_size: Some(rems(1.05).into()),
7185                ..Default::default()
7186            }),
7187            h4: Some(TextStyleRefinement {
7188                font_size: Some(rems(1.).into()),
7189                ..Default::default()
7190            }),
7191            h5: Some(TextStyleRefinement {
7192                font_size: Some(rems(0.95).into()),
7193                ..Default::default()
7194            }),
7195            h6: Some(TextStyleRefinement {
7196                font_size: Some(rems(0.875).into()),
7197                ..Default::default()
7198            }),
7199        }),
7200        code_block: StyleRefinement {
7201            padding: EdgesRefinement {
7202                top: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
7203                left: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
7204                right: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
7205                bottom: Some(DefiniteLength::Absolute(AbsoluteLength::Pixels(px(8.)))),
7206            },
7207            margin: EdgesRefinement {
7208                top: Some(Length::Definite(px(8.).into())),
7209                left: Some(Length::Definite(px(0.).into())),
7210                right: Some(Length::Definite(px(0.).into())),
7211                bottom: Some(Length::Definite(px(12.).into())),
7212            },
7213            border_style: Some(BorderStyle::Solid),
7214            border_widths: EdgesRefinement {
7215                top: Some(AbsoluteLength::Pixels(px(1.))),
7216                left: Some(AbsoluteLength::Pixels(px(1.))),
7217                right: Some(AbsoluteLength::Pixels(px(1.))),
7218                bottom: Some(AbsoluteLength::Pixels(px(1.))),
7219            },
7220            border_color: Some(colors.border_variant),
7221            background: Some(colors.editor_background.into()),
7222            text: TextStyleRefinement {
7223                font_family: Some(theme_settings.buffer_font.family.clone()),
7224                font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
7225                font_features: Some(theme_settings.buffer_font.features.clone()),
7226                font_size: Some(buffer_font_size.into()),
7227                ..Default::default()
7228            },
7229            ..Default::default()
7230        },
7231        inline_code: TextStyleRefinement {
7232            font_family: Some(theme_settings.buffer_font.family.clone()),
7233            font_fallbacks: theme_settings.buffer_font.fallbacks.clone(),
7234            font_features: Some(theme_settings.buffer_font.features.clone()),
7235            font_size: Some(buffer_font_size.into()),
7236            background_color: Some(colors.editor_foreground.opacity(0.08)),
7237            ..Default::default()
7238        },
7239        link: TextStyleRefinement {
7240            background_color: Some(colors.editor_foreground.opacity(0.025)),
7241            color: Some(colors.text_accent),
7242            underline: Some(UnderlineStyle {
7243                color: Some(colors.text_accent.opacity(0.5)),
7244                thickness: px(1.),
7245                ..Default::default()
7246            }),
7247            ..Default::default()
7248        },
7249        ..Default::default()
7250    }
7251}
7252
7253fn plan_label_markdown_style(
7254    status: &acp::PlanEntryStatus,
7255    window: &Window,
7256    cx: &App,
7257) -> MarkdownStyle {
7258    let default_md_style = default_markdown_style(false, false, window, cx);
7259
7260    MarkdownStyle {
7261        base_text_style: TextStyle {
7262            color: cx.theme().colors().text_muted,
7263            strikethrough: if matches!(status, acp::PlanEntryStatus::Completed) {
7264                Some(gpui::StrikethroughStyle {
7265                    thickness: px(1.),
7266                    color: Some(cx.theme().colors().text_muted.opacity(0.8)),
7267                })
7268            } else {
7269                None
7270            },
7271            ..default_md_style.base_text_style
7272        },
7273        ..default_md_style
7274    }
7275}
7276
7277fn terminal_command_markdown_style(window: &Window, cx: &App) -> MarkdownStyle {
7278    let default_md_style = default_markdown_style(true, false, window, cx);
7279
7280    MarkdownStyle {
7281        base_text_style: TextStyle {
7282            ..default_md_style.base_text_style
7283        },
7284        selection_background_color: cx.theme().colors().element_selection_background,
7285        ..Default::default()
7286    }
7287}
7288
7289#[cfg(test)]
7290pub(crate) mod tests {
7291    use acp_thread::{AgentSessionListResponse, StubAgentConnection};
7292    use action_log::ActionLog;
7293    use agent_client_protocol::SessionId;
7294    use editor::MultiBufferOffset;
7295    use fs::FakeFs;
7296    use gpui::{EventEmitter, TestAppContext, VisualTestContext};
7297    use project::Project;
7298    use serde_json::json;
7299    use settings::SettingsStore;
7300    use std::any::Any;
7301    use std::path::Path;
7302    use std::rc::Rc;
7303    use workspace::Item;
7304
7305    use super::*;
7306
7307    #[gpui::test]
7308    async fn test_drop(cx: &mut TestAppContext) {
7309        init_test(cx);
7310
7311        let (thread_view, _cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7312        let weak_view = thread_view.downgrade();
7313        drop(thread_view);
7314        assert!(!weak_view.is_upgradable());
7315    }
7316
7317    #[gpui::test]
7318    async fn test_notification_for_stop_event(cx: &mut TestAppContext) {
7319        init_test(cx);
7320
7321        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7322
7323        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7324        message_editor.update_in(cx, |editor, window, cx| {
7325            editor.set_text("Hello", window, cx);
7326        });
7327
7328        cx.deactivate_window();
7329
7330        thread_view.update_in(cx, |thread_view, window, cx| {
7331            thread_view.send(window, cx);
7332        });
7333
7334        cx.run_until_parked();
7335
7336        assert!(
7337            cx.windows()
7338                .iter()
7339                .any(|window| window.downcast::<AgentNotification>().is_some())
7340        );
7341    }
7342
7343    #[gpui::test]
7344    async fn test_notification_for_error(cx: &mut TestAppContext) {
7345        init_test(cx);
7346
7347        let (thread_view, cx) =
7348            setup_thread_view(StubAgentServer::new(SaboteurAgentConnection), cx).await;
7349
7350        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7351        message_editor.update_in(cx, |editor, window, cx| {
7352            editor.set_text("Hello", window, cx);
7353        });
7354
7355        cx.deactivate_window();
7356
7357        thread_view.update_in(cx, |thread_view, window, cx| {
7358            thread_view.send(window, cx);
7359        });
7360
7361        cx.run_until_parked();
7362
7363        assert!(
7364            cx.windows()
7365                .iter()
7366                .any(|window| window.downcast::<AgentNotification>().is_some())
7367        );
7368    }
7369
7370    #[gpui::test]
7371    async fn test_recent_history_refreshes_when_session_list_swapped(cx: &mut TestAppContext) {
7372        init_test(cx);
7373
7374        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7375
7376        let session_a = AgentSessionInfo::new(SessionId::new("session-a"));
7377        let session_b = AgentSessionInfo::new(SessionId::new("session-b"));
7378
7379        let list_a: Rc<dyn AgentSessionList> =
7380            Rc::new(StubSessionList::new(vec![session_a.clone()]));
7381        let list_b: Rc<dyn AgentSessionList> =
7382            Rc::new(StubSessionList::new(vec![session_b.clone()]));
7383
7384        thread_view.update(cx, |view, cx| {
7385            view.set_session_list(Some(list_a.clone()), cx);
7386        });
7387        cx.run_until_parked();
7388
7389        thread_view.read_with(cx, |view, _cx| {
7390            assert_eq!(view.recent_history_entries.len(), 1);
7391            assert_eq!(
7392                view.recent_history_entries[0].session_id,
7393                session_a.session_id
7394            );
7395
7396            let session_list = view.session_list_state.borrow();
7397            let session_list = session_list.as_ref().expect("session list should be set");
7398            assert!(Rc::ptr_eq(session_list, &list_a));
7399        });
7400
7401        thread_view.update(cx, |view, cx| {
7402            view.set_session_list(Some(list_b.clone()), cx);
7403        });
7404        cx.run_until_parked();
7405
7406        thread_view.read_with(cx, |view, _cx| {
7407            assert_eq!(view.recent_history_entries.len(), 1);
7408            assert_eq!(
7409                view.recent_history_entries[0].session_id,
7410                session_b.session_id
7411            );
7412
7413            let session_list = view.session_list_state.borrow();
7414            let session_list = session_list.as_ref().expect("session list should be set");
7415            assert!(Rc::ptr_eq(session_list, &list_b));
7416        });
7417    }
7418
7419    #[gpui::test]
7420    async fn test_refusal_handling(cx: &mut TestAppContext) {
7421        init_test(cx);
7422
7423        let (thread_view, cx) =
7424            setup_thread_view(StubAgentServer::new(RefusalAgentConnection), cx).await;
7425
7426        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7427        message_editor.update_in(cx, |editor, window, cx| {
7428            editor.set_text("Do something harmful", window, cx);
7429        });
7430
7431        thread_view.update_in(cx, |thread_view, window, cx| {
7432            thread_view.send(window, cx);
7433        });
7434
7435        cx.run_until_parked();
7436
7437        // Check that the refusal error is set
7438        thread_view.read_with(cx, |thread_view, _cx| {
7439            assert!(
7440                matches!(thread_view.thread_error, Some(ThreadError::Refusal)),
7441                "Expected refusal error to be set"
7442            );
7443        });
7444    }
7445
7446    #[gpui::test]
7447    async fn test_notification_for_tool_authorization(cx: &mut TestAppContext) {
7448        init_test(cx);
7449
7450        let tool_call_id = acp::ToolCallId::new("1");
7451        let tool_call = acp::ToolCall::new(tool_call_id.clone(), "Label")
7452            .kind(acp::ToolKind::Edit)
7453            .content(vec!["hi".into()]);
7454        let connection =
7455            StubAgentConnection::new().with_permission_requests(HashMap::from_iter([(
7456                tool_call_id,
7457                vec![acp::PermissionOption::new(
7458                    "1",
7459                    "Allow",
7460                    acp::PermissionOptionKind::AllowOnce,
7461                )],
7462            )]));
7463
7464        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(tool_call)]);
7465
7466        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
7467
7468        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7469        message_editor.update_in(cx, |editor, window, cx| {
7470            editor.set_text("Hello", window, cx);
7471        });
7472
7473        cx.deactivate_window();
7474
7475        thread_view.update_in(cx, |thread_view, window, cx| {
7476            thread_view.send(window, cx);
7477        });
7478
7479        cx.run_until_parked();
7480
7481        assert!(
7482            cx.windows()
7483                .iter()
7484                .any(|window| window.downcast::<AgentNotification>().is_some())
7485        );
7486    }
7487
7488    #[gpui::test]
7489    async fn test_notification_when_panel_hidden(cx: &mut TestAppContext) {
7490        init_test(cx);
7491
7492        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7493
7494        add_to_workspace(thread_view.clone(), cx);
7495
7496        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7497
7498        message_editor.update_in(cx, |editor, window, cx| {
7499            editor.set_text("Hello", window, cx);
7500        });
7501
7502        // Window is active (don't deactivate), but panel will be hidden
7503        // Note: In the test environment, the panel is not actually added to the dock,
7504        // so is_agent_panel_hidden will return true
7505
7506        thread_view.update_in(cx, |thread_view, window, cx| {
7507            thread_view.send(window, cx);
7508        });
7509
7510        cx.run_until_parked();
7511
7512        // Should show notification because window is active but panel is hidden
7513        assert!(
7514            cx.windows()
7515                .iter()
7516                .any(|window| window.downcast::<AgentNotification>().is_some()),
7517            "Expected notification when panel is hidden"
7518        );
7519    }
7520
7521    #[gpui::test]
7522    async fn test_notification_still_works_when_window_inactive(cx: &mut TestAppContext) {
7523        init_test(cx);
7524
7525        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7526
7527        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7528        message_editor.update_in(cx, |editor, window, cx| {
7529            editor.set_text("Hello", window, cx);
7530        });
7531
7532        // Deactivate window - should show notification regardless of setting
7533        cx.deactivate_window();
7534
7535        thread_view.update_in(cx, |thread_view, window, cx| {
7536            thread_view.send(window, cx);
7537        });
7538
7539        cx.run_until_parked();
7540
7541        // Should still show notification when window is inactive (existing behavior)
7542        assert!(
7543            cx.windows()
7544                .iter()
7545                .any(|window| window.downcast::<AgentNotification>().is_some()),
7546            "Expected notification when window is inactive"
7547        );
7548    }
7549
7550    #[gpui::test]
7551    async fn test_notification_respects_never_setting(cx: &mut TestAppContext) {
7552        init_test(cx);
7553
7554        // Set notify_when_agent_waiting to Never
7555        cx.update(|cx| {
7556            AgentSettings::override_global(
7557                AgentSettings {
7558                    notify_when_agent_waiting: NotifyWhenAgentWaiting::Never,
7559                    ..AgentSettings::get_global(cx).clone()
7560                },
7561                cx,
7562            );
7563        });
7564
7565        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7566
7567        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7568        message_editor.update_in(cx, |editor, window, cx| {
7569            editor.set_text("Hello", window, cx);
7570        });
7571
7572        // Window is active
7573
7574        thread_view.update_in(cx, |thread_view, window, cx| {
7575            thread_view.send(window, cx);
7576        });
7577
7578        cx.run_until_parked();
7579
7580        // Should NOT show notification because notify_when_agent_waiting is Never
7581        assert!(
7582            !cx.windows()
7583                .iter()
7584                .any(|window| window.downcast::<AgentNotification>().is_some()),
7585            "Expected no notification when notify_when_agent_waiting is Never"
7586        );
7587    }
7588
7589    #[gpui::test]
7590    async fn test_notification_closed_when_thread_view_dropped(cx: &mut TestAppContext) {
7591        init_test(cx);
7592
7593        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
7594
7595        let weak_view = thread_view.downgrade();
7596
7597        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
7598        message_editor.update_in(cx, |editor, window, cx| {
7599            editor.set_text("Hello", window, cx);
7600        });
7601
7602        cx.deactivate_window();
7603
7604        thread_view.update_in(cx, |thread_view, window, cx| {
7605            thread_view.send(window, cx);
7606        });
7607
7608        cx.run_until_parked();
7609
7610        // Verify notification is shown
7611        assert!(
7612            cx.windows()
7613                .iter()
7614                .any(|window| window.downcast::<AgentNotification>().is_some()),
7615            "Expected notification to be shown"
7616        );
7617
7618        // Drop the thread view (simulating navigation to a new thread)
7619        drop(thread_view);
7620        drop(message_editor);
7621        // Trigger an update to flush effects, which will call release_dropped_entities
7622        cx.update(|_window, _cx| {});
7623        cx.run_until_parked();
7624
7625        // Verify the entity was actually released
7626        assert!(
7627            !weak_view.is_upgradable(),
7628            "Thread view entity should be released after dropping"
7629        );
7630
7631        // The notification should be automatically closed via on_release
7632        assert!(
7633            !cx.windows()
7634                .iter()
7635                .any(|window| window.downcast::<AgentNotification>().is_some()),
7636            "Notification should be closed when thread view is dropped"
7637        );
7638    }
7639
7640    async fn setup_thread_view(
7641        agent: impl AgentServer + 'static,
7642        cx: &mut TestAppContext,
7643    ) -> (Entity<AcpThreadView>, &mut VisualTestContext) {
7644        let fs = FakeFs::new(cx.executor());
7645        let project = Project::test(fs, [], cx).await;
7646        let (workspace, cx) =
7647            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7648
7649        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
7650
7651        let thread_view = cx.update(|window, cx| {
7652            cx.new(|cx| {
7653                AcpThreadView::new(
7654                    Rc::new(agent),
7655                    None,
7656                    None,
7657                    workspace.downgrade(),
7658                    project,
7659                    Some(thread_store),
7660                    None,
7661                    false,
7662                    window,
7663                    cx,
7664                )
7665            })
7666        });
7667        cx.run_until_parked();
7668        (thread_view, cx)
7669    }
7670
7671    fn add_to_workspace(thread_view: Entity<AcpThreadView>, cx: &mut VisualTestContext) {
7672        let workspace = thread_view.read_with(cx, |thread_view, _cx| thread_view.workspace.clone());
7673
7674        workspace
7675            .update_in(cx, |workspace, window, cx| {
7676                workspace.add_item_to_active_pane(
7677                    Box::new(cx.new(|_| ThreadViewItem(thread_view.clone()))),
7678                    None,
7679                    true,
7680                    window,
7681                    cx,
7682                );
7683            })
7684            .unwrap();
7685    }
7686
7687    struct ThreadViewItem(Entity<AcpThreadView>);
7688
7689    impl Item for ThreadViewItem {
7690        type Event = ();
7691
7692        fn include_in_nav_history() -> bool {
7693            false
7694        }
7695
7696        fn tab_content_text(&self, _detail: usize, _cx: &App) -> SharedString {
7697            "Test".into()
7698        }
7699    }
7700
7701    impl EventEmitter<()> for ThreadViewItem {}
7702
7703    impl Focusable for ThreadViewItem {
7704        fn focus_handle(&self, cx: &App) -> FocusHandle {
7705            self.0.read(cx).focus_handle(cx)
7706        }
7707    }
7708
7709    impl Render for ThreadViewItem {
7710        fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
7711            self.0.clone().into_any_element()
7712        }
7713    }
7714
7715    struct StubAgentServer<C> {
7716        connection: C,
7717    }
7718
7719    impl<C> StubAgentServer<C> {
7720        fn new(connection: C) -> Self {
7721            Self { connection }
7722        }
7723    }
7724
7725    impl StubAgentServer<StubAgentConnection> {
7726        fn default_response() -> Self {
7727            let conn = StubAgentConnection::new();
7728            conn.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
7729                acp::ContentChunk::new("Default response".into()),
7730            )]);
7731            Self::new(conn)
7732        }
7733    }
7734
7735    #[derive(Clone)]
7736    struct StubSessionList {
7737        sessions: Vec<AgentSessionInfo>,
7738    }
7739
7740    impl StubSessionList {
7741        fn new(sessions: Vec<AgentSessionInfo>) -> Self {
7742            Self { sessions }
7743        }
7744    }
7745
7746    impl AgentSessionList for StubSessionList {
7747        fn list_sessions(
7748            &self,
7749            _request: AgentSessionListRequest,
7750            _cx: &mut App,
7751        ) -> Task<anyhow::Result<AgentSessionListResponse>> {
7752            Task::ready(Ok(AgentSessionListResponse::new(self.sessions.clone())))
7753        }
7754        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7755            self
7756        }
7757    }
7758
7759    impl<C> AgentServer for StubAgentServer<C>
7760    where
7761        C: 'static + AgentConnection + Send + Clone,
7762    {
7763        fn logo(&self) -> ui::IconName {
7764            ui::IconName::Ai
7765        }
7766
7767        fn name(&self) -> SharedString {
7768            "Test".into()
7769        }
7770
7771        fn connect(
7772            &self,
7773            _root_dir: Option<&Path>,
7774            _delegate: AgentServerDelegate,
7775            _cx: &mut App,
7776        ) -> Task<gpui::Result<(Rc<dyn AgentConnection>, Option<task::SpawnInTerminal>)>> {
7777            Task::ready(Ok((Rc::new(self.connection.clone()), None)))
7778        }
7779
7780        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7781            self
7782        }
7783    }
7784
7785    #[derive(Clone)]
7786    struct SaboteurAgentConnection;
7787
7788    impl AgentConnection for SaboteurAgentConnection {
7789        fn telemetry_id(&self) -> SharedString {
7790            "saboteur".into()
7791        }
7792
7793        fn new_thread(
7794            self: Rc<Self>,
7795            project: Entity<Project>,
7796            _cwd: &Path,
7797            cx: &mut gpui::App,
7798        ) -> Task<gpui::Result<Entity<AcpThread>>> {
7799            Task::ready(Ok(cx.new(|cx| {
7800                let action_log = cx.new(|_| ActionLog::new(project.clone()));
7801                AcpThread::new(
7802                    "SaboteurAgentConnection",
7803                    self,
7804                    project,
7805                    action_log,
7806                    SessionId::new("test"),
7807                    watch::Receiver::constant(
7808                        acp::PromptCapabilities::new()
7809                            .image(true)
7810                            .audio(true)
7811                            .embedded_context(true),
7812                    ),
7813                    cx,
7814                )
7815            })))
7816        }
7817
7818        fn auth_methods(&self) -> &[acp::AuthMethod] {
7819            &[]
7820        }
7821
7822        fn authenticate(
7823            &self,
7824            _method_id: acp::AuthMethodId,
7825            _cx: &mut App,
7826        ) -> Task<gpui::Result<()>> {
7827            unimplemented!()
7828        }
7829
7830        fn prompt(
7831            &self,
7832            _id: Option<acp_thread::UserMessageId>,
7833            _params: acp::PromptRequest,
7834            _cx: &mut App,
7835        ) -> Task<gpui::Result<acp::PromptResponse>> {
7836            Task::ready(Err(anyhow::anyhow!("Error prompting")))
7837        }
7838
7839        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
7840            unimplemented!()
7841        }
7842
7843        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7844            self
7845        }
7846    }
7847
7848    /// Simulates a model which always returns a refusal response
7849    #[derive(Clone)]
7850    struct RefusalAgentConnection;
7851
7852    impl AgentConnection for RefusalAgentConnection {
7853        fn telemetry_id(&self) -> SharedString {
7854            "refusal".into()
7855        }
7856
7857        fn new_thread(
7858            self: Rc<Self>,
7859            project: Entity<Project>,
7860            _cwd: &Path,
7861            cx: &mut gpui::App,
7862        ) -> Task<gpui::Result<Entity<AcpThread>>> {
7863            Task::ready(Ok(cx.new(|cx| {
7864                let action_log = cx.new(|_| ActionLog::new(project.clone()));
7865                AcpThread::new(
7866                    "RefusalAgentConnection",
7867                    self,
7868                    project,
7869                    action_log,
7870                    SessionId::new("test"),
7871                    watch::Receiver::constant(
7872                        acp::PromptCapabilities::new()
7873                            .image(true)
7874                            .audio(true)
7875                            .embedded_context(true),
7876                    ),
7877                    cx,
7878                )
7879            })))
7880        }
7881
7882        fn auth_methods(&self) -> &[acp::AuthMethod] {
7883            &[]
7884        }
7885
7886        fn authenticate(
7887            &self,
7888            _method_id: acp::AuthMethodId,
7889            _cx: &mut App,
7890        ) -> Task<gpui::Result<()>> {
7891            unimplemented!()
7892        }
7893
7894        fn prompt(
7895            &self,
7896            _id: Option<acp_thread::UserMessageId>,
7897            _params: acp::PromptRequest,
7898            _cx: &mut App,
7899        ) -> Task<gpui::Result<acp::PromptResponse>> {
7900            Task::ready(Ok(acp::PromptResponse::new(acp::StopReason::Refusal)))
7901        }
7902
7903        fn cancel(&self, _session_id: &acp::SessionId, _cx: &mut App) {
7904            unimplemented!()
7905        }
7906
7907        fn into_any(self: Rc<Self>) -> Rc<dyn Any> {
7908            self
7909        }
7910    }
7911
7912    pub(crate) fn init_test(cx: &mut TestAppContext) {
7913        cx.update(|cx| {
7914            let settings_store = SettingsStore::test(cx);
7915            cx.set_global(settings_store);
7916            theme::init(theme::LoadThemes::JustBase, cx);
7917            release_channel::init(semver::Version::new(0, 0, 0), cx);
7918            prompt_store::init(cx)
7919        });
7920    }
7921
7922    #[gpui::test]
7923    async fn test_rewind_views(cx: &mut TestAppContext) {
7924        init_test(cx);
7925
7926        let fs = FakeFs::new(cx.executor());
7927        fs.insert_tree(
7928            "/project",
7929            json!({
7930                "test1.txt": "old content 1",
7931                "test2.txt": "old content 2"
7932            }),
7933        )
7934        .await;
7935        let project = Project::test(fs, [Path::new("/project")], cx).await;
7936        let (workspace, cx) =
7937            cx.add_window_view(|window, cx| Workspace::test_new(project.clone(), window, cx));
7938
7939        let thread_store = cx.update(|_window, cx| cx.new(|cx| ThreadStore::new(cx)));
7940
7941        let connection = Rc::new(StubAgentConnection::new());
7942        let thread_view = cx.update(|window, cx| {
7943            cx.new(|cx| {
7944                AcpThreadView::new(
7945                    Rc::new(StubAgentServer::new(connection.as_ref().clone())),
7946                    None,
7947                    None,
7948                    workspace.downgrade(),
7949                    project.clone(),
7950                    Some(thread_store.clone()),
7951                    None,
7952                    false,
7953                    window,
7954                    cx,
7955                )
7956            })
7957        });
7958
7959        cx.run_until_parked();
7960
7961        let thread = thread_view
7962            .read_with(cx, |view, _| view.thread().cloned())
7963            .unwrap();
7964
7965        // First user message
7966        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
7967            acp::ToolCall::new("tool1", "Edit file 1")
7968                .kind(acp::ToolKind::Edit)
7969                .status(acp::ToolCallStatus::Completed)
7970                .content(vec![acp::ToolCallContent::Diff(
7971                    acp::Diff::new("/project/test1.txt", "new content 1").old_text("old content 1"),
7972                )]),
7973        )]);
7974
7975        thread
7976            .update(cx, |thread, cx| thread.send_raw("Give me a diff", cx))
7977            .await
7978            .unwrap();
7979        cx.run_until_parked();
7980
7981        thread.read_with(cx, |thread, _| {
7982            assert_eq!(thread.entries().len(), 2);
7983        });
7984
7985        thread_view.read_with(cx, |view, cx| {
7986            view.entry_view_state.read_with(cx, |entry_view_state, _| {
7987                assert!(
7988                    entry_view_state
7989                        .entry(0)
7990                        .unwrap()
7991                        .message_editor()
7992                        .is_some()
7993                );
7994                assert!(entry_view_state.entry(1).unwrap().has_content());
7995            });
7996        });
7997
7998        // Second user message
7999        connection.set_next_prompt_updates(vec![acp::SessionUpdate::ToolCall(
8000            acp::ToolCall::new("tool2", "Edit file 2")
8001                .kind(acp::ToolKind::Edit)
8002                .status(acp::ToolCallStatus::Completed)
8003                .content(vec![acp::ToolCallContent::Diff(
8004                    acp::Diff::new("/project/test2.txt", "new content 2").old_text("old content 2"),
8005                )]),
8006        )]);
8007
8008        thread
8009            .update(cx, |thread, cx| thread.send_raw("Another one", cx))
8010            .await
8011            .unwrap();
8012        cx.run_until_parked();
8013
8014        let second_user_message_id = thread.read_with(cx, |thread, _| {
8015            assert_eq!(thread.entries().len(), 4);
8016            let AgentThreadEntry::UserMessage(user_message) = &thread.entries()[2] else {
8017                panic!();
8018            };
8019            user_message.id.clone().unwrap()
8020        });
8021
8022        thread_view.read_with(cx, |view, cx| {
8023            view.entry_view_state.read_with(cx, |entry_view_state, _| {
8024                assert!(
8025                    entry_view_state
8026                        .entry(0)
8027                        .unwrap()
8028                        .message_editor()
8029                        .is_some()
8030                );
8031                assert!(entry_view_state.entry(1).unwrap().has_content());
8032                assert!(
8033                    entry_view_state
8034                        .entry(2)
8035                        .unwrap()
8036                        .message_editor()
8037                        .is_some()
8038                );
8039                assert!(entry_view_state.entry(3).unwrap().has_content());
8040            });
8041        });
8042
8043        // Rewind to first message
8044        thread
8045            .update(cx, |thread, cx| thread.rewind(second_user_message_id, cx))
8046            .await
8047            .unwrap();
8048
8049        cx.run_until_parked();
8050
8051        thread.read_with(cx, |thread, _| {
8052            assert_eq!(thread.entries().len(), 2);
8053        });
8054
8055        thread_view.read_with(cx, |view, cx| {
8056            view.entry_view_state.read_with(cx, |entry_view_state, _| {
8057                assert!(
8058                    entry_view_state
8059                        .entry(0)
8060                        .unwrap()
8061                        .message_editor()
8062                        .is_some()
8063                );
8064                assert!(entry_view_state.entry(1).unwrap().has_content());
8065
8066                // Old views should be dropped
8067                assert!(entry_view_state.entry(2).is_none());
8068                assert!(entry_view_state.entry(3).is_none());
8069            });
8070        });
8071    }
8072
8073    #[gpui::test]
8074    async fn test_scroll_to_most_recent_user_prompt(cx: &mut TestAppContext) {
8075        init_test(cx);
8076
8077        let connection = StubAgentConnection::new();
8078
8079        // Each user prompt will result in a user message entry plus an agent message entry.
8080        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
8081            acp::ContentChunk::new("Response 1".into()),
8082        )]);
8083
8084        let (thread_view, cx) =
8085            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
8086
8087        let thread = thread_view
8088            .read_with(cx, |view, _| view.thread().cloned())
8089            .unwrap();
8090
8091        thread
8092            .update(cx, |thread, cx| thread.send_raw("Prompt 1", cx))
8093            .await
8094            .unwrap();
8095        cx.run_until_parked();
8096
8097        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
8098            acp::ContentChunk::new("Response 2".into()),
8099        )]);
8100
8101        thread
8102            .update(cx, |thread, cx| thread.send_raw("Prompt 2", cx))
8103            .await
8104            .unwrap();
8105        cx.run_until_parked();
8106
8107        // Move somewhere else first so we're not trivially already on the last user prompt.
8108        thread_view.update(cx, |view, cx| {
8109            view.scroll_to_top(cx);
8110        });
8111        cx.run_until_parked();
8112
8113        thread_view.update(cx, |view, cx| {
8114            view.scroll_to_most_recent_user_prompt(cx);
8115            let scroll_top = view.list_state.logical_scroll_top();
8116            // Entries layout is: [User1, Assistant1, User2, Assistant2]
8117            assert_eq!(scroll_top.item_ix, 2);
8118        });
8119    }
8120
8121    #[gpui::test]
8122    async fn test_scroll_to_most_recent_user_prompt_falls_back_to_bottom_without_user_messages(
8123        cx: &mut TestAppContext,
8124    ) {
8125        init_test(cx);
8126
8127        let (thread_view, cx) = setup_thread_view(StubAgentServer::default_response(), cx).await;
8128
8129        // With no entries, scrolling should be a no-op and must not panic.
8130        thread_view.update(cx, |view, cx| {
8131            view.scroll_to_most_recent_user_prompt(cx);
8132            let scroll_top = view.list_state.logical_scroll_top();
8133            assert_eq!(scroll_top.item_ix, 0);
8134        });
8135    }
8136
8137    #[gpui::test]
8138    async fn test_message_editing_cancel(cx: &mut TestAppContext) {
8139        init_test(cx);
8140
8141        let connection = StubAgentConnection::new();
8142
8143        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
8144            acp::ContentChunk::new("Response".into()),
8145        )]);
8146
8147        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
8148        add_to_workspace(thread_view.clone(), cx);
8149
8150        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8151        message_editor.update_in(cx, |editor, window, cx| {
8152            editor.set_text("Original message to edit", window, cx);
8153        });
8154        thread_view.update_in(cx, |thread_view, window, cx| {
8155            thread_view.send(window, cx);
8156        });
8157
8158        cx.run_until_parked();
8159
8160        let user_message_editor = thread_view.read_with(cx, |view, cx| {
8161            assert_eq!(view.editing_message, None);
8162
8163            view.entry_view_state
8164                .read(cx)
8165                .entry(0)
8166                .unwrap()
8167                .message_editor()
8168                .unwrap()
8169                .clone()
8170        });
8171
8172        // Focus
8173        cx.focus(&user_message_editor);
8174        thread_view.read_with(cx, |view, _cx| {
8175            assert_eq!(view.editing_message, Some(0));
8176        });
8177
8178        // Edit
8179        user_message_editor.update_in(cx, |editor, window, cx| {
8180            editor.set_text("Edited message content", window, cx);
8181        });
8182
8183        // Cancel
8184        user_message_editor.update_in(cx, |_editor, window, cx| {
8185            window.dispatch_action(Box::new(editor::actions::Cancel), cx);
8186        });
8187
8188        thread_view.read_with(cx, |view, _cx| {
8189            assert_eq!(view.editing_message, None);
8190        });
8191
8192        user_message_editor.read_with(cx, |editor, cx| {
8193            assert_eq!(editor.text(cx), "Original message to edit");
8194        });
8195    }
8196
8197    #[gpui::test]
8198    async fn test_message_doesnt_send_if_empty(cx: &mut TestAppContext) {
8199        init_test(cx);
8200
8201        let connection = StubAgentConnection::new();
8202
8203        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
8204        add_to_workspace(thread_view.clone(), cx);
8205
8206        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8207        let mut events = cx.events(&message_editor);
8208        message_editor.update_in(cx, |editor, window, cx| {
8209            editor.set_text("", window, cx);
8210        });
8211
8212        message_editor.update_in(cx, |_editor, window, cx| {
8213            window.dispatch_action(Box::new(Chat), cx);
8214        });
8215        cx.run_until_parked();
8216        // We shouldn't have received any messages
8217        assert!(matches!(
8218            events.try_next(),
8219            Err(futures::channel::mpsc::TryRecvError { .. })
8220        ));
8221    }
8222
8223    #[gpui::test]
8224    async fn test_message_editing_regenerate(cx: &mut TestAppContext) {
8225        init_test(cx);
8226
8227        let connection = StubAgentConnection::new();
8228
8229        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
8230            acp::ContentChunk::new("Response".into()),
8231        )]);
8232
8233        let (thread_view, cx) =
8234            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
8235        add_to_workspace(thread_view.clone(), cx);
8236
8237        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8238        message_editor.update_in(cx, |editor, window, cx| {
8239            editor.set_text("Original message to edit", window, cx);
8240        });
8241        thread_view.update_in(cx, |thread_view, window, cx| {
8242            thread_view.send(window, cx);
8243        });
8244
8245        cx.run_until_parked();
8246
8247        let user_message_editor = thread_view.read_with(cx, |view, cx| {
8248            assert_eq!(view.editing_message, None);
8249            assert_eq!(view.thread().unwrap().read(cx).entries().len(), 2);
8250
8251            view.entry_view_state
8252                .read(cx)
8253                .entry(0)
8254                .unwrap()
8255                .message_editor()
8256                .unwrap()
8257                .clone()
8258        });
8259
8260        // Focus
8261        cx.focus(&user_message_editor);
8262
8263        // Edit
8264        user_message_editor.update_in(cx, |editor, window, cx| {
8265            editor.set_text("Edited message content", window, cx);
8266        });
8267
8268        // Send
8269        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
8270            acp::ContentChunk::new("New Response".into()),
8271        )]);
8272
8273        user_message_editor.update_in(cx, |_editor, window, cx| {
8274            window.dispatch_action(Box::new(Chat), cx);
8275        });
8276
8277        cx.run_until_parked();
8278
8279        thread_view.read_with(cx, |view, cx| {
8280            assert_eq!(view.editing_message, None);
8281
8282            let entries = view.thread().unwrap().read(cx).entries();
8283            assert_eq!(entries.len(), 2);
8284            assert_eq!(
8285                entries[0].to_markdown(cx),
8286                "## User\n\nEdited message content\n\n"
8287            );
8288            assert_eq!(
8289                entries[1].to_markdown(cx),
8290                "## Assistant\n\nNew Response\n\n"
8291            );
8292
8293            let new_editor = view.entry_view_state.read_with(cx, |state, _cx| {
8294                assert!(!state.entry(1).unwrap().has_content());
8295                state.entry(0).unwrap().message_editor().unwrap().clone()
8296            });
8297
8298            assert_eq!(new_editor.read(cx).text(cx), "Edited message content");
8299        })
8300    }
8301
8302    #[gpui::test]
8303    async fn test_message_editing_while_generating(cx: &mut TestAppContext) {
8304        init_test(cx);
8305
8306        let connection = StubAgentConnection::new();
8307
8308        let (thread_view, cx) =
8309            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
8310        add_to_workspace(thread_view.clone(), cx);
8311
8312        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8313        message_editor.update_in(cx, |editor, window, cx| {
8314            editor.set_text("Original message to edit", window, cx);
8315        });
8316        thread_view.update_in(cx, |thread_view, window, cx| {
8317            thread_view.send(window, cx);
8318        });
8319
8320        cx.run_until_parked();
8321
8322        let (user_message_editor, session_id) = thread_view.read_with(cx, |view, cx| {
8323            let thread = view.thread().unwrap().read(cx);
8324            assert_eq!(thread.entries().len(), 1);
8325
8326            let editor = view
8327                .entry_view_state
8328                .read(cx)
8329                .entry(0)
8330                .unwrap()
8331                .message_editor()
8332                .unwrap()
8333                .clone();
8334
8335            (editor, thread.session_id().clone())
8336        });
8337
8338        // Focus
8339        cx.focus(&user_message_editor);
8340
8341        thread_view.read_with(cx, |view, _cx| {
8342            assert_eq!(view.editing_message, Some(0));
8343        });
8344
8345        // Edit
8346        user_message_editor.update_in(cx, |editor, window, cx| {
8347            editor.set_text("Edited message content", window, cx);
8348        });
8349
8350        thread_view.read_with(cx, |view, _cx| {
8351            assert_eq!(view.editing_message, Some(0));
8352        });
8353
8354        // Finish streaming response
8355        cx.update(|_, cx| {
8356            connection.send_update(
8357                session_id.clone(),
8358                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("Response".into())),
8359                cx,
8360            );
8361            connection.end_turn(session_id, acp::StopReason::EndTurn);
8362        });
8363
8364        thread_view.read_with(cx, |view, _cx| {
8365            assert_eq!(view.editing_message, Some(0));
8366        });
8367
8368        cx.run_until_parked();
8369
8370        // Should still be editing
8371        cx.update(|window, cx| {
8372            assert!(user_message_editor.focus_handle(cx).is_focused(window));
8373            assert_eq!(thread_view.read(cx).editing_message, Some(0));
8374            assert_eq!(
8375                user_message_editor.read(cx).text(cx),
8376                "Edited message content"
8377            );
8378        });
8379    }
8380
8381    struct GeneratingThreadSetup {
8382        thread_view: Entity<AcpThreadView>,
8383        thread: Entity<AcpThread>,
8384        message_editor: Entity<MessageEditor>,
8385    }
8386
8387    async fn setup_generating_thread(
8388        cx: &mut TestAppContext,
8389    ) -> (GeneratingThreadSetup, &mut VisualTestContext) {
8390        let connection = StubAgentConnection::new();
8391
8392        let (thread_view, cx) =
8393            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
8394        add_to_workspace(thread_view.clone(), cx);
8395
8396        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8397        message_editor.update_in(cx, |editor, window, cx| {
8398            editor.set_text("Hello", window, cx);
8399        });
8400        thread_view.update_in(cx, |thread_view, window, cx| {
8401            thread_view.send(window, cx);
8402        });
8403
8404        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
8405            let thread = view.thread().unwrap();
8406            (thread.clone(), thread.read(cx).session_id().clone())
8407        });
8408
8409        cx.run_until_parked();
8410
8411        cx.update(|_, cx| {
8412            connection.send_update(
8413                session_id.clone(),
8414                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
8415                    "Response chunk".into(),
8416                )),
8417                cx,
8418            );
8419        });
8420
8421        cx.run_until_parked();
8422
8423        thread.read_with(cx, |thread, _cx| {
8424            assert_eq!(thread.status(), ThreadStatus::Generating);
8425        });
8426
8427        (
8428            GeneratingThreadSetup {
8429                thread_view,
8430                thread,
8431                message_editor,
8432            },
8433            cx,
8434        )
8435    }
8436
8437    #[gpui::test]
8438    async fn test_escape_cancels_generation_from_conversation_focus(cx: &mut TestAppContext) {
8439        init_test(cx);
8440
8441        let (setup, cx) = setup_generating_thread(cx).await;
8442
8443        let focus_handle = setup
8444            .thread_view
8445            .read_with(cx, |view, _cx| view.focus_handle.clone());
8446        cx.update(|window, cx| {
8447            window.focus(&focus_handle, cx);
8448        });
8449
8450        setup.thread_view.update_in(cx, |_, window, cx| {
8451            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
8452        });
8453
8454        cx.run_until_parked();
8455
8456        setup.thread.read_with(cx, |thread, _cx| {
8457            assert_eq!(thread.status(), ThreadStatus::Idle);
8458        });
8459    }
8460
8461    #[gpui::test]
8462    async fn test_escape_cancels_generation_from_editor_focus(cx: &mut TestAppContext) {
8463        init_test(cx);
8464
8465        let (setup, cx) = setup_generating_thread(cx).await;
8466
8467        let editor_focus_handle = setup
8468            .message_editor
8469            .read_with(cx, |editor, cx| editor.focus_handle(cx));
8470        cx.update(|window, cx| {
8471            window.focus(&editor_focus_handle, cx);
8472        });
8473
8474        setup.message_editor.update_in(cx, |_, window, cx| {
8475            window.dispatch_action(editor::actions::Cancel.boxed_clone(), cx);
8476        });
8477
8478        cx.run_until_parked();
8479
8480        setup.thread.read_with(cx, |thread, _cx| {
8481            assert_eq!(thread.status(), ThreadStatus::Idle);
8482        });
8483    }
8484
8485    #[gpui::test]
8486    async fn test_escape_when_idle_is_noop(cx: &mut TestAppContext) {
8487        init_test(cx);
8488
8489        let (thread_view, cx) =
8490            setup_thread_view(StubAgentServer::new(StubAgentConnection::new()), cx).await;
8491        add_to_workspace(thread_view.clone(), cx);
8492
8493        let thread = thread_view.read_with(cx, |view, _cx| view.thread().unwrap().clone());
8494
8495        thread.read_with(cx, |thread, _cx| {
8496            assert_eq!(thread.status(), ThreadStatus::Idle);
8497        });
8498
8499        let focus_handle = thread_view.read_with(cx, |view, _cx| view.focus_handle.clone());
8500        cx.update(|window, cx| {
8501            window.focus(&focus_handle, cx);
8502        });
8503
8504        thread_view.update_in(cx, |_, window, cx| {
8505            window.dispatch_action(menu::Cancel.boxed_clone(), cx);
8506        });
8507
8508        cx.run_until_parked();
8509
8510        thread.read_with(cx, |thread, _cx| {
8511            assert_eq!(thread.status(), ThreadStatus::Idle);
8512        });
8513    }
8514
8515    #[gpui::test]
8516    async fn test_interrupt(cx: &mut TestAppContext) {
8517        init_test(cx);
8518
8519        let connection = StubAgentConnection::new();
8520
8521        let (thread_view, cx) =
8522            setup_thread_view(StubAgentServer::new(connection.clone()), cx).await;
8523        add_to_workspace(thread_view.clone(), cx);
8524
8525        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8526        message_editor.update_in(cx, |editor, window, cx| {
8527            editor.set_text("Message 1", window, cx);
8528        });
8529        thread_view.update_in(cx, |thread_view, window, cx| {
8530            thread_view.send(window, cx);
8531        });
8532
8533        let (thread, session_id) = thread_view.read_with(cx, |view, cx| {
8534            let thread = view.thread().unwrap();
8535
8536            (thread.clone(), thread.read(cx).session_id().clone())
8537        });
8538
8539        cx.run_until_parked();
8540
8541        cx.update(|_, cx| {
8542            connection.send_update(
8543                session_id.clone(),
8544                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
8545                    "Message 1 resp".into(),
8546                )),
8547                cx,
8548            );
8549        });
8550
8551        cx.run_until_parked();
8552
8553        thread.read_with(cx, |thread, cx| {
8554            assert_eq!(
8555                thread.to_markdown(cx),
8556                indoc::indoc! {"
8557                    ## User
8558
8559                    Message 1
8560
8561                    ## Assistant
8562
8563                    Message 1 resp
8564
8565                "}
8566            )
8567        });
8568
8569        message_editor.update_in(cx, |editor, window, cx| {
8570            editor.set_text("Message 2", window, cx);
8571        });
8572        thread_view.update_in(cx, |thread_view, window, cx| {
8573            thread_view.send(window, cx);
8574        });
8575
8576        cx.update(|_, cx| {
8577            // Simulate a response sent after beginning to cancel
8578            connection.send_update(
8579                session_id.clone(),
8580                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("onse".into())),
8581                cx,
8582            );
8583        });
8584
8585        cx.run_until_parked();
8586
8587        // Last Message 1 response should appear before Message 2
8588        thread.read_with(cx, |thread, cx| {
8589            assert_eq!(
8590                thread.to_markdown(cx),
8591                indoc::indoc! {"
8592                    ## User
8593
8594                    Message 1
8595
8596                    ## Assistant
8597
8598                    Message 1 response
8599
8600                    ## User
8601
8602                    Message 2
8603
8604                "}
8605            )
8606        });
8607
8608        cx.update(|_, cx| {
8609            connection.send_update(
8610                session_id.clone(),
8611                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new(
8612                    "Message 2 response".into(),
8613                )),
8614                cx,
8615            );
8616            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
8617        });
8618
8619        cx.run_until_parked();
8620
8621        thread.read_with(cx, |thread, cx| {
8622            assert_eq!(
8623                thread.to_markdown(cx),
8624                indoc::indoc! {"
8625                    ## User
8626
8627                    Message 1
8628
8629                    ## Assistant
8630
8631                    Message 1 response
8632
8633                    ## User
8634
8635                    Message 2
8636
8637                    ## Assistant
8638
8639                    Message 2 response
8640
8641                "}
8642            )
8643        });
8644    }
8645
8646    #[gpui::test]
8647    async fn test_message_editing_insert_selections(cx: &mut TestAppContext) {
8648        init_test(cx);
8649
8650        let connection = StubAgentConnection::new();
8651        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
8652            acp::ContentChunk::new("Response".into()),
8653        )]);
8654
8655        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
8656        add_to_workspace(thread_view.clone(), cx);
8657
8658        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8659        message_editor.update_in(cx, |editor, window, cx| {
8660            editor.set_text("Original message to edit", window, cx)
8661        });
8662        thread_view.update_in(cx, |thread_view, window, cx| thread_view.send(window, cx));
8663        cx.run_until_parked();
8664
8665        let user_message_editor = thread_view.read_with(cx, |thread_view, cx| {
8666            thread_view
8667                .entry_view_state
8668                .read(cx)
8669                .entry(0)
8670                .expect("Should have at least one entry")
8671                .message_editor()
8672                .expect("Should have message editor")
8673                .clone()
8674        });
8675
8676        cx.focus(&user_message_editor);
8677        thread_view.read_with(cx, |thread_view, _cx| {
8678            assert_eq!(thread_view.editing_message, Some(0));
8679        });
8680
8681        // Ensure to edit the focused message before proceeding otherwise, since
8682        // its content is not different from what was sent, focus will be lost.
8683        user_message_editor.update_in(cx, |editor, window, cx| {
8684            editor.set_text("Original message to edit with ", window, cx)
8685        });
8686
8687        // Create a simple buffer with some text so we can create a selection
8688        // that will then be added to the message being edited.
8689        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
8690            (thread_view.workspace.clone(), thread_view.project.clone())
8691        });
8692        let buffer = project.update(cx, |project, cx| {
8693            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
8694        });
8695
8696        workspace
8697            .update_in(cx, |workspace, window, cx| {
8698                let editor = cx.new(|cx| {
8699                    let mut editor =
8700                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
8701
8702                    editor.change_selections(Default::default(), window, cx, |selections| {
8703                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
8704                    });
8705
8706                    editor
8707                });
8708                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
8709            })
8710            .unwrap();
8711
8712        thread_view.update_in(cx, |thread_view, window, cx| {
8713            assert_eq!(thread_view.editing_message, Some(0));
8714            thread_view.insert_selections(window, cx);
8715        });
8716
8717        user_message_editor.read_with(cx, |editor, cx| {
8718            let text = editor.editor().read(cx).text(cx);
8719            let expected_text = String::from("Original message to edit with selection ");
8720
8721            assert_eq!(text, expected_text);
8722        });
8723    }
8724
8725    #[gpui::test]
8726    async fn test_insert_selections(cx: &mut TestAppContext) {
8727        init_test(cx);
8728
8729        let connection = StubAgentConnection::new();
8730        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
8731            acp::ContentChunk::new("Response".into()),
8732        )]);
8733
8734        let (thread_view, cx) = setup_thread_view(StubAgentServer::new(connection), cx).await;
8735        add_to_workspace(thread_view.clone(), cx);
8736
8737        let message_editor = cx.read(|cx| thread_view.read(cx).message_editor.clone());
8738        message_editor.update_in(cx, |editor, window, cx| {
8739            editor.set_text("Can you review this snippet ", window, cx)
8740        });
8741
8742        // Create a simple buffer with some text so we can create a selection
8743        // that will then be added to the message being edited.
8744        let (workspace, project) = thread_view.read_with(cx, |thread_view, _cx| {
8745            (thread_view.workspace.clone(), thread_view.project.clone())
8746        });
8747        let buffer = project.update(cx, |project, cx| {
8748            project.create_local_buffer("let a = 10 + 10;", None, false, cx)
8749        });
8750
8751        workspace
8752            .update_in(cx, |workspace, window, cx| {
8753                let editor = cx.new(|cx| {
8754                    let mut editor =
8755                        Editor::for_buffer(buffer.clone(), Some(project.clone()), window, cx);
8756
8757                    editor.change_selections(Default::default(), window, cx, |selections| {
8758                        selections.select_ranges([MultiBufferOffset(8)..MultiBufferOffset(15)]);
8759                    });
8760
8761                    editor
8762                });
8763                workspace.add_item_to_active_pane(Box::new(editor), None, false, window, cx);
8764            })
8765            .unwrap();
8766
8767        thread_view.update_in(cx, |thread_view, window, cx| {
8768            assert_eq!(thread_view.editing_message, None);
8769            thread_view.insert_selections(window, cx);
8770        });
8771
8772        thread_view.read_with(cx, |thread_view, cx| {
8773            let text = thread_view.message_editor.read(cx).text(cx);
8774            let expected_txt = String::from("Can you review this snippet selection ");
8775
8776            assert_eq!(text, expected_txt);
8777        })
8778    }
8779}