sidebar.rs

   1mod thread_switcher;
   2
   3use acp_thread::ThreadStatus;
   4use action_log::DiffStats;
   5use agent_client_protocol::{self as acp};
   6use agent_settings::AgentSettings;
   7use agent_ui::thread_metadata_store::{ThreadMetadata, ThreadMetadataStore};
   8use agent_ui::thread_worktree_archive;
   9use agent_ui::threads_archive_view::{
  10    ThreadsArchiveView, ThreadsArchiveViewEvent, format_history_entry_timestamp,
  11};
  12use agent_ui::{AcpThreadImportOnboarding, ThreadImportModal};
  13use agent_ui::{
  14    Agent, AgentPanel, AgentPanelEvent, DEFAULT_THREAD_TITLE, NewThread, RemoveSelectedThread,
  15};
  16use chrono::{DateTime, Utc};
  17use editor::Editor;
  18use gpui::{
  19    Action as _, AnyElement, App, Context, DismissEvent, Entity, FocusHandle, Focusable,
  20    KeyContext, ListState, Pixels, Render, SharedString, Task, WeakEntity, Window, WindowHandle,
  21    linear_color_stop, linear_gradient, list, prelude::*, px,
  22};
  23use menu::{
  24    Cancel, Confirm, SelectChild, SelectFirst, SelectLast, SelectNext, SelectParent, SelectPrevious,
  25};
  26use project::{
  27    AgentId, AgentRegistryStore, Event as ProjectEvent, ProjectGroupKey, linked_worktree_short_name,
  28};
  29use recent_projects::sidebar_recent_projects::SidebarRecentProjects;
  30use remote::RemoteConnectionOptions;
  31use ui::utils::platform_title_bar_height;
  32
  33use serde::{Deserialize, Serialize};
  34use settings::Settings as _;
  35use std::collections::{HashMap, HashSet};
  36use std::mem;
  37use std::path::PathBuf;
  38use std::rc::Rc;
  39use theme::ActiveTheme;
  40use ui::{
  41    AgentThreadStatus, CommonAnimationExt, ContextMenu, Divider, HighlightedLabel, KeyBinding,
  42    PopoverMenu, PopoverMenuHandle, Tab, ThreadItem, ThreadItemWorktreeInfo, TintColor, Tooltip,
  43    WithScrollbar, prelude::*,
  44};
  45use util::ResultExt as _;
  46use util::path_list::PathList;
  47use workspace::{
  48    AddFolderToProject, CloseWindow, FocusWorkspaceSidebar, MultiWorkspace, MultiWorkspaceEvent,
  49    NextProject, NextThread, Open, PreviousProject, PreviousThread, SerializedProjectGroupKey,
  50    ShowFewerThreads, ShowMoreThreads, Sidebar as WorkspaceSidebar, SidebarSide, Toast,
  51    ToggleWorkspaceSidebar, Workspace, notifications::NotificationId, sidebar_side_context_menu,
  52};
  53
  54use zed_actions::OpenRecent;
  55use zed_actions::editor::{MoveDown, MoveUp};
  56
  57use zed_actions::agents_sidebar::{FocusSidebarFilter, ToggleThreadSwitcher};
  58
  59use crate::thread_switcher::{ThreadSwitcher, ThreadSwitcherEntry, ThreadSwitcherEvent};
  60
  61#[cfg(test)]
  62mod sidebar_tests;
  63
  64gpui::actions!(
  65    agents_sidebar,
  66    [
  67        /// Creates a new thread in the currently selected or active project group.
  68        NewThreadInGroup,
  69        /// Toggles between the thread list and the archive view.
  70        ToggleArchive,
  71    ]
  72);
  73
  74gpui::actions!(
  75    dev,
  76    [
  77        /// Dumps multi-workspace state (projects, worktrees, active threads) into a new buffer.
  78        DumpWorkspaceInfo,
  79    ]
  80);
  81
  82const DEFAULT_WIDTH: Pixels = px(300.0);
  83const MIN_WIDTH: Pixels = px(200.0);
  84const MAX_WIDTH: Pixels = px(800.0);
  85const DEFAULT_THREADS_SHOWN: usize = 5;
  86
  87#[derive(Default, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
  88enum SerializedSidebarView {
  89    #[default]
  90    ThreadList,
  91    Archive,
  92}
  93
  94#[derive(Default, Serialize, Deserialize)]
  95struct SerializedSidebar {
  96    #[serde(default)]
  97    width: Option<f32>,
  98    #[serde(default)]
  99    collapsed_groups: Vec<SerializedProjectGroupKey>,
 100    #[serde(default)]
 101    expanded_groups: Vec<(SerializedProjectGroupKey, usize)>,
 102    #[serde(default)]
 103    active_view: SerializedSidebarView,
 104}
 105
 106#[derive(Debug, Default)]
 107enum SidebarView {
 108    #[default]
 109    ThreadList,
 110    Archive(Entity<ThreadsArchiveView>),
 111}
 112
 113enum ArchiveWorktreeOutcome {
 114    Success,
 115    Cancelled,
 116}
 117
 118#[derive(Clone, Debug)]
 119enum ActiveEntry {
 120    Thread {
 121        session_id: acp::SessionId,
 122        workspace: Entity<Workspace>,
 123    },
 124    Draft(Entity<Workspace>),
 125}
 126
 127impl ActiveEntry {
 128    fn workspace(&self) -> &Entity<Workspace> {
 129        match self {
 130            ActiveEntry::Thread { workspace, .. } => workspace,
 131            ActiveEntry::Draft(workspace) => workspace,
 132        }
 133    }
 134
 135    fn is_active_thread(&self, session_id: &acp::SessionId) -> bool {
 136        matches!(self, ActiveEntry::Thread { session_id: id, .. } if id == session_id)
 137    }
 138
 139    fn matches_entry(&self, entry: &ListEntry) -> bool {
 140        match (self, entry) {
 141            (ActiveEntry::Thread { session_id, .. }, ListEntry::Thread(thread)) => {
 142                thread.metadata.session_id == *session_id
 143            }
 144            (
 145                ActiveEntry::Draft(_),
 146                ListEntry::DraftThread {
 147                    workspace: None, ..
 148                },
 149            ) => true,
 150            _ => false,
 151        }
 152    }
 153}
 154
 155#[derive(Clone, Debug)]
 156struct ActiveThreadInfo {
 157    session_id: acp::SessionId,
 158    title: SharedString,
 159    status: AgentThreadStatus,
 160    icon: IconName,
 161    icon_from_external_svg: Option<SharedString>,
 162    is_background: bool,
 163    is_title_generating: bool,
 164    diff_stats: DiffStats,
 165}
 166
 167#[derive(Clone)]
 168enum ThreadEntryWorkspace {
 169    Open(Entity<Workspace>),
 170    Closed {
 171        /// The paths this thread uses (may point to linked worktrees).
 172        folder_paths: PathList,
 173        /// The project group this thread belongs to.
 174        project_group_key: ProjectGroupKey,
 175    },
 176}
 177
 178impl ThreadEntryWorkspace {
 179    fn is_remote(&self, cx: &App) -> bool {
 180        match self {
 181            ThreadEntryWorkspace::Open(workspace) => {
 182                !workspace.read(cx).project().read(cx).is_local()
 183            }
 184            ThreadEntryWorkspace::Closed {
 185                project_group_key, ..
 186            } => project_group_key.host().is_some(),
 187        }
 188    }
 189}
 190
 191#[derive(Clone)]
 192struct WorktreeInfo {
 193    name: SharedString,
 194    full_path: SharedString,
 195    highlight_positions: Vec<usize>,
 196    kind: ui::WorktreeKind,
 197}
 198
 199#[derive(Clone)]
 200struct ThreadEntry {
 201    metadata: ThreadMetadata,
 202    icon: IconName,
 203    icon_from_external_svg: Option<SharedString>,
 204    status: AgentThreadStatus,
 205    workspace: ThreadEntryWorkspace,
 206    is_live: bool,
 207    is_background: bool,
 208    is_title_generating: bool,
 209    highlight_positions: Vec<usize>,
 210    worktrees: Vec<WorktreeInfo>,
 211    diff_stats: DiffStats,
 212}
 213
 214impl ThreadEntry {
 215    /// Updates this thread entry with active thread information.
 216    ///
 217    /// The existing [`ThreadEntry`] was likely deserialized from the database
 218    /// but if we have a correspond thread already loaded we want to apply the
 219    /// live information.
 220    fn apply_active_info(&mut self, info: &ActiveThreadInfo) {
 221        self.metadata.title = info.title.clone();
 222        self.status = info.status;
 223        self.icon = info.icon;
 224        self.icon_from_external_svg = info.icon_from_external_svg.clone();
 225        self.is_live = true;
 226        self.is_background = info.is_background;
 227        self.is_title_generating = info.is_title_generating;
 228        self.diff_stats = info.diff_stats;
 229    }
 230}
 231
 232#[derive(Clone)]
 233enum ListEntry {
 234    ProjectHeader {
 235        key: ProjectGroupKey,
 236        label: SharedString,
 237        highlight_positions: Vec<usize>,
 238        has_running_threads: bool,
 239        waiting_thread_count: usize,
 240        is_active: bool,
 241        has_threads: bool,
 242    },
 243    Thread(ThreadEntry),
 244    ViewMore {
 245        key: ProjectGroupKey,
 246        is_fully_expanded: bool,
 247    },
 248    /// The user's active draft thread. Shows a prefix of the currently-typed
 249    /// prompt, or "Untitled Thread" if the prompt is empty.
 250    DraftThread {
 251        key: project::ProjectGroupKey,
 252        workspace: Option<Entity<Workspace>>,
 253        worktrees: Vec<WorktreeInfo>,
 254    },
 255}
 256
 257#[cfg(test)]
 258impl ListEntry {
 259    fn session_id(&self) -> Option<&acp::SessionId> {
 260        match self {
 261            ListEntry::Thread(thread_entry) => Some(&thread_entry.metadata.session_id),
 262            _ => None,
 263        }
 264    }
 265
 266    fn reachable_workspaces<'a>(
 267        &'a self,
 268        multi_workspace: &'a workspace::MultiWorkspace,
 269        cx: &'a App,
 270    ) -> Vec<Entity<Workspace>> {
 271        match self {
 272            ListEntry::Thread(thread) => match &thread.workspace {
 273                ThreadEntryWorkspace::Open(ws) => vec![ws.clone()],
 274                ThreadEntryWorkspace::Closed { .. } => Vec::new(),
 275            },
 276            ListEntry::DraftThread { workspace, .. } => {
 277                if let Some(ws) = workspace {
 278                    vec![ws.clone()]
 279                } else {
 280                    // workspace: None means this is the active draft,
 281                    // which always lives on the current workspace.
 282                    vec![multi_workspace.workspace().clone()]
 283                }
 284            }
 285            ListEntry::ProjectHeader { key, .. } => multi_workspace
 286                .workspaces()
 287                .find(|ws| PathList::new(&ws.read(cx).root_paths(cx)) == *key.path_list())
 288                .cloned()
 289                .into_iter()
 290                .collect(),
 291            ListEntry::ViewMore { .. } => Vec::new(),
 292        }
 293    }
 294}
 295
 296impl From<ThreadEntry> for ListEntry {
 297    fn from(thread: ThreadEntry) -> Self {
 298        ListEntry::Thread(thread)
 299    }
 300}
 301
 302#[derive(Default)]
 303struct SidebarContents {
 304    entries: Vec<ListEntry>,
 305    notified_threads: HashSet<acp::SessionId>,
 306    project_header_indices: Vec<usize>,
 307    has_open_projects: bool,
 308}
 309
 310impl SidebarContents {
 311    fn is_thread_notified(&self, session_id: &acp::SessionId) -> bool {
 312        self.notified_threads.contains(session_id)
 313    }
 314}
 315
 316fn fuzzy_match_positions(query: &str, candidate: &str) -> Option<Vec<usize>> {
 317    let mut positions = Vec::new();
 318    let mut query_chars = query.chars().peekable();
 319
 320    for (byte_idx, candidate_char) in candidate.char_indices() {
 321        if let Some(&query_char) = query_chars.peek() {
 322            if candidate_char.eq_ignore_ascii_case(&query_char) {
 323                positions.push(byte_idx);
 324                query_chars.next();
 325            }
 326        } else {
 327            break;
 328        }
 329    }
 330
 331    if query_chars.peek().is_none() {
 332        Some(positions)
 333    } else {
 334        None
 335    }
 336}
 337
 338// TODO: The mapping from workspace root paths to git repositories needs a
 339// unified approach across the codebase: this function, `AgentPanel::classify_worktrees`,
 340// thread persistence (which PathList is saved to the database), and thread
 341// querying (which PathList is used to read threads back). All of these need
 342// to agree on how repos are resolved for a given workspace, especially in
 343// multi-root and nested-repo configurations.
 344fn root_repository_snapshots(
 345    workspace: &Entity<Workspace>,
 346    cx: &App,
 347) -> impl Iterator<Item = project::git_store::RepositorySnapshot> {
 348    let path_list = workspace_path_list(workspace, cx);
 349    let project = workspace.read(cx).project().read(cx);
 350    project.repositories(cx).values().filter_map(move |repo| {
 351        let snapshot = repo.read(cx).snapshot();
 352        let is_root = path_list
 353            .paths()
 354            .iter()
 355            .any(|p| p.as_path() == snapshot.work_directory_abs_path.as_ref());
 356        is_root.then_some(snapshot)
 357    })
 358}
 359
 360fn workspace_path_list(workspace: &Entity<Workspace>, cx: &App) -> PathList {
 361    PathList::new(&workspace.read(cx).root_paths(cx))
 362}
 363
 364/// Derives worktree display info from a thread's stored path list.
 365///
 366/// For each path in the thread's `folder_paths`, produces a
 367/// [`WorktreeInfo`] with a short display name, full path, and whether
 368/// the worktree is the main checkout or a linked git worktree.
 369fn worktree_info_from_thread_paths(
 370    folder_paths: &PathList,
 371    group_key: &project::ProjectGroupKey,
 372) -> impl Iterator<Item = WorktreeInfo> {
 373    let main_paths = group_key.path_list().paths();
 374    folder_paths.paths().iter().filter_map(|path| {
 375        let is_main = main_paths.iter().any(|mp| mp.as_path() == path.as_path());
 376        if is_main {
 377            let name = path.file_name()?.to_string_lossy().to_string();
 378            Some(WorktreeInfo {
 379                name: SharedString::from(name),
 380                full_path: SharedString::from(path.display().to_string()),
 381                highlight_positions: Vec::new(),
 382                kind: ui::WorktreeKind::Main,
 383            })
 384        } else {
 385            let main_path = main_paths
 386                .iter()
 387                .find(|mp| mp.file_name() == path.file_name())
 388                .or(main_paths.first())?;
 389            Some(WorktreeInfo {
 390                name: linked_worktree_short_name(main_path, path).unwrap_or_default(),
 391                full_path: SharedString::from(path.display().to_string()),
 392                highlight_positions: Vec::new(),
 393                kind: ui::WorktreeKind::Linked,
 394            })
 395        }
 396    })
 397}
 398
 399/// Shows a [`RemoteConnectionModal`] on the given workspace and establishes
 400/// an SSH connection. Suitable for passing to
 401/// [`MultiWorkspace::find_or_create_workspace`] as the `connect_remote`
 402/// argument.
 403fn connect_remote(
 404    modal_workspace: Entity<Workspace>,
 405    connection_options: RemoteConnectionOptions,
 406    window: &mut Window,
 407    cx: &mut Context<MultiWorkspace>,
 408) -> gpui::Task<anyhow::Result<Option<Entity<remote::RemoteClient>>>> {
 409    remote_connection::connect_with_modal(&modal_workspace, connection_options, window, cx)
 410}
 411
 412/// The sidebar re-derives its entire entry list from scratch on every
 413/// change via `update_entries` → `rebuild_contents`. Avoid adding
 414/// incremental or inter-event coordination state — if something can
 415/// be computed from the current world state, compute it in the rebuild.
 416pub struct Sidebar {
 417    multi_workspace: WeakEntity<MultiWorkspace>,
 418    width: Pixels,
 419    focus_handle: FocusHandle,
 420    filter_editor: Entity<Editor>,
 421    list_state: ListState,
 422    contents: SidebarContents,
 423    /// The index of the list item that currently has the keyboard focus
 424    ///
 425    /// Note: This is NOT the same as the active item.
 426    selection: Option<usize>,
 427    /// Tracks which sidebar entry is currently active (highlighted).
 428    active_entry: Option<ActiveEntry>,
 429    hovered_thread_index: Option<usize>,
 430    collapsed_groups: HashSet<ProjectGroupKey>,
 431    expanded_groups: HashMap<ProjectGroupKey, usize>,
 432    /// Updated only in response to explicit user actions (clicking a
 433    /// thread, confirming in the thread switcher, etc.) — never from
 434    /// background data changes. Used to sort the thread switcher popup.
 435    thread_last_accessed: HashMap<acp::SessionId, DateTime<Utc>>,
 436    /// Updated when the user presses a key to send or queue a message.
 437    /// Used for sorting threads in the sidebar and as a secondary sort
 438    /// key in the thread switcher.
 439    thread_last_message_sent_or_queued: HashMap<acp::SessionId, DateTime<Utc>>,
 440    thread_switcher: Option<Entity<ThreadSwitcher>>,
 441    _thread_switcher_subscriptions: Vec<gpui::Subscription>,
 442    pending_remote_thread_activation: Option<acp::SessionId>,
 443    view: SidebarView,
 444    recent_projects_popover_handle: PopoverMenuHandle<SidebarRecentProjects>,
 445    project_header_menu_ix: Option<usize>,
 446    _subscriptions: Vec<gpui::Subscription>,
 447    _draft_observation: Option<gpui::Subscription>,
 448}
 449
 450impl Sidebar {
 451    pub fn new(
 452        multi_workspace: Entity<MultiWorkspace>,
 453        window: &mut Window,
 454        cx: &mut Context<Self>,
 455    ) -> Self {
 456        let focus_handle = cx.focus_handle();
 457        cx.on_focus_in(&focus_handle, window, Self::focus_in)
 458            .detach();
 459
 460        let filter_editor = cx.new(|cx| {
 461            let mut editor = Editor::single_line(window, cx);
 462            editor.set_use_modal_editing(true);
 463            editor.set_placeholder_text("Search…", window, cx);
 464            editor
 465        });
 466
 467        cx.subscribe_in(
 468            &multi_workspace,
 469            window,
 470            |this, _multi_workspace, event: &MultiWorkspaceEvent, window, cx| match event {
 471                MultiWorkspaceEvent::ActiveWorkspaceChanged => {
 472                    this.observe_draft_editor(cx);
 473                    this.update_entries(cx);
 474                }
 475                MultiWorkspaceEvent::WorkspaceAdded(workspace) => {
 476                    this.subscribe_to_workspace(workspace, window, cx);
 477                    this.update_entries(cx);
 478                }
 479                MultiWorkspaceEvent::WorkspaceRemoved(_) => {
 480                    this.update_entries(cx);
 481                }
 482            },
 483        )
 484        .detach();
 485
 486        cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 487            if let editor::EditorEvent::BufferEdited = event {
 488                let query = this.filter_editor.read(cx).text(cx);
 489                if !query.is_empty() {
 490                    this.selection.take();
 491                }
 492                this.update_entries(cx);
 493                if !query.is_empty() {
 494                    this.select_first_entry();
 495                }
 496            }
 497        })
 498        .detach();
 499
 500        cx.observe(&ThreadMetadataStore::global(cx), |this, _store, cx| {
 501            this.update_entries(cx);
 502        })
 503        .detach();
 504
 505        let workspaces: Vec<_> = multi_workspace.read(cx).workspaces().cloned().collect();
 506        cx.defer_in(window, move |this, window, cx| {
 507            for workspace in &workspaces {
 508                this.subscribe_to_workspace(workspace, window, cx);
 509            }
 510            this.update_entries(cx);
 511        });
 512
 513        Self {
 514            multi_workspace: multi_workspace.downgrade(),
 515            width: DEFAULT_WIDTH,
 516            focus_handle,
 517            filter_editor,
 518            list_state: ListState::new(0, gpui::ListAlignment::Top, px(1000.)),
 519            contents: SidebarContents::default(),
 520            selection: None,
 521            active_entry: None,
 522            hovered_thread_index: None,
 523            collapsed_groups: HashSet::new(),
 524            expanded_groups: HashMap::new(),
 525            thread_last_accessed: HashMap::new(),
 526            thread_last_message_sent_or_queued: HashMap::new(),
 527            thread_switcher: None,
 528            _thread_switcher_subscriptions: Vec::new(),
 529            pending_remote_thread_activation: None,
 530            view: SidebarView::default(),
 531            recent_projects_popover_handle: PopoverMenuHandle::default(),
 532            project_header_menu_ix: None,
 533            _subscriptions: Vec::new(),
 534            _draft_observation: None,
 535        }
 536    }
 537
 538    fn serialize(&mut self, cx: &mut Context<Self>) {
 539        cx.emit(workspace::SidebarEvent::SerializeNeeded);
 540    }
 541
 542    fn active_entry_workspace(&self) -> Option<&Entity<Workspace>> {
 543        self.active_entry.as_ref().map(|entry| entry.workspace())
 544    }
 545
 546    fn is_active_workspace(&self, workspace: &Entity<Workspace>, cx: &App) -> bool {
 547        self.multi_workspace
 548            .upgrade()
 549            .map_or(false, |mw| mw.read(cx).workspace() == workspace)
 550    }
 551
 552    fn subscribe_to_workspace(
 553        &mut self,
 554        workspace: &Entity<Workspace>,
 555        window: &mut Window,
 556        cx: &mut Context<Self>,
 557    ) {
 558        let project = workspace.read(cx).project().clone();
 559        cx.subscribe_in(
 560            &project,
 561            window,
 562            |this, _project, event, _window, cx| match event {
 563                ProjectEvent::WorktreeAdded(_)
 564                | ProjectEvent::WorktreeRemoved(_)
 565                | ProjectEvent::WorktreeOrderChanged => {
 566                    this.update_entries(cx);
 567                }
 568                _ => {}
 569            },
 570        )
 571        .detach();
 572
 573        let git_store = workspace.read(cx).project().read(cx).git_store().clone();
 574        cx.subscribe_in(
 575            &git_store,
 576            window,
 577            |this, _, event: &project::git_store::GitStoreEvent, _window, cx| {
 578                if matches!(
 579                    event,
 580                    project::git_store::GitStoreEvent::RepositoryUpdated(
 581                        _,
 582                        project::git_store::RepositoryEvent::GitWorktreeListChanged,
 583                        _,
 584                    )
 585                ) {
 586                    this.update_entries(cx);
 587                }
 588            },
 589        )
 590        .detach();
 591
 592        cx.subscribe_in(
 593            workspace,
 594            window,
 595            |this, _workspace, event: &workspace::Event, window, cx| {
 596                if let workspace::Event::PanelAdded(view) = event {
 597                    if let Ok(agent_panel) = view.clone().downcast::<AgentPanel>() {
 598                        this.subscribe_to_agent_panel(&agent_panel, window, cx);
 599                    }
 600                }
 601            },
 602        )
 603        .detach();
 604
 605        self.observe_docks(workspace, cx);
 606
 607        if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
 608            self.subscribe_to_agent_panel(&agent_panel, window, cx);
 609            self.observe_draft_editor(cx);
 610        }
 611    }
 612
 613    fn subscribe_to_agent_panel(
 614        &mut self,
 615        agent_panel: &Entity<AgentPanel>,
 616        window: &mut Window,
 617        cx: &mut Context<Self>,
 618    ) {
 619        cx.subscribe_in(
 620            agent_panel,
 621            window,
 622            |this, agent_panel, event: &AgentPanelEvent, _window, cx| match event {
 623                AgentPanelEvent::ActiveViewChanged => {
 624                    let is_new_draft = agent_panel
 625                        .read(cx)
 626                        .active_conversation_view()
 627                        .is_some_and(|cv| cv.read(cx).parent_id(cx).is_none());
 628                    if is_new_draft {
 629                        if let Some(active_workspace) = this
 630                            .multi_workspace
 631                            .upgrade()
 632                            .map(|mw| mw.read(cx).workspace().clone())
 633                        {
 634                            this.active_entry = Some(ActiveEntry::Draft(active_workspace));
 635                        }
 636                    }
 637                    this.observe_draft_editor(cx);
 638                    this.update_entries(cx);
 639                }
 640                AgentPanelEvent::ThreadFocused | AgentPanelEvent::BackgroundThreadChanged => {
 641                    this.update_entries(cx);
 642                }
 643                AgentPanelEvent::MessageSentOrQueued { session_id } => {
 644                    this.record_thread_message_sent(session_id);
 645                    this.update_entries(cx);
 646                }
 647            },
 648        )
 649        .detach();
 650    }
 651
 652    fn observe_docks(&mut self, workspace: &Entity<Workspace>, cx: &mut Context<Self>) {
 653        let docks: Vec<_> = workspace
 654            .read(cx)
 655            .all_docks()
 656            .into_iter()
 657            .cloned()
 658            .collect();
 659        let workspace = workspace.downgrade();
 660        for dock in docks {
 661            let workspace = workspace.clone();
 662            cx.observe(&dock, move |this, _dock, cx| {
 663                let Some(workspace) = workspace.upgrade() else {
 664                    return;
 665                };
 666                if !this.is_active_workspace(&workspace, cx) {
 667                    return;
 668                }
 669
 670                cx.notify();
 671            })
 672            .detach();
 673        }
 674    }
 675
 676    fn observe_draft_editor(&mut self, cx: &mut Context<Self>) {
 677        self._draft_observation = self
 678            .multi_workspace
 679            .upgrade()
 680            .and_then(|mw| {
 681                let ws = mw.read(cx).workspace();
 682                ws.read(cx).panel::<AgentPanel>(cx)
 683            })
 684            .and_then(|panel| {
 685                let cv = panel.read(cx).active_conversation_view()?;
 686                let tv = cv.read(cx).active_thread()?;
 687                Some(tv.read(cx).message_editor.clone())
 688            })
 689            .map(|editor| {
 690                cx.observe(&editor, |_this, _editor, cx| {
 691                    cx.notify();
 692                })
 693            });
 694    }
 695
 696    fn active_draft_text(&self, cx: &App) -> Option<SharedString> {
 697        let mw = self.multi_workspace.upgrade()?;
 698        let workspace = mw.read(cx).workspace();
 699        let panel = workspace.read(cx).panel::<AgentPanel>(cx)?;
 700        let conversation_view = panel.read(cx).active_conversation_view()?;
 701        let thread_view = conversation_view.read(cx).active_thread()?;
 702        let raw = thread_view.read(cx).message_editor.read(cx).text(cx);
 703        let cleaned = Self::clean_mention_links(&raw);
 704        let mut text: String = cleaned.split_whitespace().collect::<Vec<_>>().join(" ");
 705        if text.is_empty() {
 706            None
 707        } else {
 708            const MAX_CHARS: usize = 250;
 709            if let Some((truncate_at, _)) = text.char_indices().nth(MAX_CHARS) {
 710                text.truncate(truncate_at);
 711            }
 712            Some(text.into())
 713        }
 714    }
 715
 716    fn clean_mention_links(input: &str) -> String {
 717        let mut result = String::with_capacity(input.len());
 718        let mut remaining = input;
 719
 720        while let Some(start) = remaining.find("[@") {
 721            result.push_str(&remaining[..start]);
 722            let after_bracket = &remaining[start + 1..]; // skip '['
 723            if let Some(close_bracket) = after_bracket.find("](") {
 724                let mention = &after_bracket[..close_bracket]; // "@something"
 725                let after_link_start = &after_bracket[close_bracket + 2..]; // after "]("
 726                if let Some(close_paren) = after_link_start.find(')') {
 727                    result.push_str(mention);
 728                    remaining = &after_link_start[close_paren + 1..];
 729                    continue;
 730                }
 731            }
 732            // Couldn't parse full link syntax — emit the literal "[@" and move on.
 733            result.push_str("[@");
 734            remaining = &remaining[start + 2..];
 735        }
 736        result.push_str(remaining);
 737        result
 738    }
 739
 740    /// Opens a new workspace for a group that has no open workspaces.
 741    fn open_workspace_for_group(
 742        &mut self,
 743        project_group_key: &ProjectGroupKey,
 744        window: &mut Window,
 745        cx: &mut Context<Self>,
 746    ) {
 747        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
 748            return;
 749        };
 750        let path_list = project_group_key.path_list().clone();
 751        let host = project_group_key.host();
 752        let provisional_key = Some(project_group_key.clone());
 753        let active_workspace = multi_workspace.read(cx).workspace().clone();
 754
 755        multi_workspace
 756            .update(cx, |this, cx| {
 757                this.find_or_create_workspace(
 758                    path_list,
 759                    host,
 760                    provisional_key,
 761                    |options, window, cx| connect_remote(active_workspace, options, window, cx),
 762                    window,
 763                    cx,
 764                )
 765            })
 766            .detach_and_log_err(cx);
 767    }
 768
 769    /// Rebuilds the sidebar contents from current workspace and thread state.
 770    ///
 771    /// Iterates [`MultiWorkspace::project_group_keys`] to determine project
 772    /// groups, then populates thread entries from the metadata store and
 773    /// merges live thread info from active agent panels.
 774    ///
 775    /// Aim for a single forward pass over workspaces and threads plus an
 776    /// O(T log T) sort. Avoid adding extra scans over the data.
 777    ///
 778    /// Properties:
 779    ///
 780    /// - Should always show every workspace in the multiworkspace
 781    ///     - If you have no threads, and two workspaces for the worktree and the main workspace, make sure at least one is shown
 782    /// - Should always show every thread, associated with each workspace in the multiworkspace
 783    /// - After every build_contents, our "active" state should exactly match the current workspace's, current agent panel's current thread.
 784    fn rebuild_contents(&mut self, cx: &App) {
 785        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
 786            return;
 787        };
 788        let mw = multi_workspace.read(cx);
 789        let workspaces: Vec<_> = mw.workspaces().cloned().collect();
 790        let active_workspace = Some(mw.workspace().clone());
 791
 792        let agent_server_store = workspaces
 793            .first()
 794            .map(|ws| ws.read(cx).project().read(cx).agent_server_store().clone());
 795
 796        let query = self.filter_editor.read(cx).text(cx);
 797
 798        // Derive active_entry from the active workspace's agent panel.
 799        // Draft is checked first because a conversation can have a session_id
 800        // before any messages are sent. However, a thread that's still loading
 801        // also appears as a "draft" (no messages yet).
 802        if let Some(active_ws) = &active_workspace {
 803            if let Some(panel) = active_ws.read(cx).panel::<AgentPanel>(cx) {
 804                let active_thread_is_draft = panel.read(cx).active_thread_is_draft(cx);
 805                let active_conversation_view = panel.read(cx).active_conversation_view();
 806
 807                if active_thread_is_draft || active_conversation_view.is_none() {
 808                    if active_conversation_view.is_none()
 809                        && let Some(session_id) = self.pending_remote_thread_activation.clone()
 810                    {
 811                        self.active_entry = Some(ActiveEntry::Thread {
 812                            session_id,
 813                            workspace: active_ws.clone(),
 814                        });
 815                    } else {
 816                        let conversation_parent_id =
 817                            active_conversation_view.and_then(|cv| cv.read(cx).parent_id(cx));
 818                        let preserving_thread = if let Some(ActiveEntry::Thread {
 819                            session_id,
 820                            ..
 821                        }) = &self.active_entry
 822                        {
 823                            self.active_entry_workspace() == Some(active_ws)
 824                                && conversation_parent_id
 825                                    .as_ref()
 826                                    .is_some_and(|id| id == session_id)
 827                        } else {
 828                            false
 829                        };
 830                        if !preserving_thread {
 831                            self.active_entry = Some(ActiveEntry::Draft(active_ws.clone()));
 832                        }
 833                    }
 834                } else if let Some(session_id) =
 835                    active_conversation_view.and_then(|cv| cv.read(cx).parent_id(cx))
 836                {
 837                    if self.pending_remote_thread_activation.as_ref() == Some(&session_id) {
 838                        self.pending_remote_thread_activation = None;
 839                    }
 840                    self.active_entry = Some(ActiveEntry::Thread {
 841                        session_id,
 842                        workspace: active_ws.clone(),
 843                    });
 844                }
 845                // else: conversation exists, not a draft, but no session_id
 846                // yet — thread is mid-load. Keep previous value.
 847            }
 848        }
 849
 850        let previous = mem::take(&mut self.contents);
 851
 852        let old_statuses: HashMap<acp::SessionId, AgentThreadStatus> = previous
 853            .entries
 854            .iter()
 855            .filter_map(|entry| match entry {
 856                ListEntry::Thread(thread) if thread.is_live => {
 857                    Some((thread.metadata.session_id.clone(), thread.status))
 858                }
 859                _ => None,
 860            })
 861            .collect();
 862
 863        let mut entries = Vec::new();
 864        let mut notified_threads = previous.notified_threads;
 865        let mut current_session_ids: HashSet<acp::SessionId> = HashSet::new();
 866        let mut project_header_indices: Vec<usize> = Vec::new();
 867
 868        let has_open_projects = workspaces
 869            .iter()
 870            .any(|ws| !workspace_path_list(ws, cx).paths().is_empty());
 871
 872        let resolve_agent_icon = |agent_id: &AgentId| -> (IconName, Option<SharedString>) {
 873            let agent = Agent::from(agent_id.clone());
 874            let icon = match agent {
 875                Agent::NativeAgent => IconName::ZedAgent,
 876                Agent::Custom { .. } => IconName::Terminal,
 877            };
 878            let icon_from_external_svg = agent_server_store
 879                .as_ref()
 880                .and_then(|store| store.read(cx).agent_icon(&agent_id));
 881            (icon, icon_from_external_svg)
 882        };
 883
 884        for (group_key, group_workspaces) in mw.project_groups(cx) {
 885            if group_key.path_list().paths().is_empty() {
 886                continue;
 887            }
 888
 889            let label = group_key.display_name();
 890
 891            let is_collapsed = self.collapsed_groups.contains(&group_key);
 892            let should_load_threads = !is_collapsed || !query.is_empty();
 893
 894            let is_active = active_workspace
 895                .as_ref()
 896                .is_some_and(|active| group_workspaces.contains(active));
 897
 898            // Collect live thread infos from all workspaces in this group.
 899            let live_infos: Vec<_> = group_workspaces
 900                .iter()
 901                .flat_map(|ws| all_thread_infos_for_workspace(ws, cx))
 902                .collect();
 903
 904            let mut threads: Vec<ThreadEntry> = Vec::new();
 905            let mut has_running_threads = false;
 906            let mut waiting_thread_count: usize = 0;
 907
 908            if should_load_threads {
 909                let mut seen_session_ids: HashSet<acp::SessionId> = HashSet::new();
 910                let thread_store = ThreadMetadataStore::global(cx);
 911
 912                // Build a lookup from workspace root paths to their workspace
 913                // entity, used to assign ThreadEntryWorkspace::Open for threads
 914                // whose folder_paths match an open workspace.
 915                let workspace_by_path_list: HashMap<PathList, &Entity<Workspace>> =
 916                    group_workspaces
 917                        .iter()
 918                        .map(|ws| (workspace_path_list(ws, cx), ws))
 919                        .collect();
 920
 921                // Resolve a ThreadEntryWorkspace for a thread row. If any open
 922                // workspace's root paths match the thread's folder_paths, use
 923                // Open; otherwise use Closed.
 924                let resolve_workspace = |row: &ThreadMetadata| -> ThreadEntryWorkspace {
 925                    workspace_by_path_list
 926                        .get(&row.folder_paths)
 927                        .map(|ws| ThreadEntryWorkspace::Open((*ws).clone()))
 928                        .unwrap_or_else(|| ThreadEntryWorkspace::Closed {
 929                            folder_paths: row.folder_paths.clone(),
 930                            project_group_key: group_key.clone(),
 931                        })
 932                };
 933
 934                // Build a ThreadEntry from a metadata row.
 935                let make_thread_entry = |row: ThreadMetadata,
 936                                         workspace: ThreadEntryWorkspace|
 937                 -> ThreadEntry {
 938                    let (icon, icon_from_external_svg) = resolve_agent_icon(&row.agent_id);
 939                    let worktrees: Vec<WorktreeInfo> =
 940                        worktree_info_from_thread_paths(&row.folder_paths, &group_key).collect();
 941                    ThreadEntry {
 942                        metadata: row,
 943                        icon,
 944                        icon_from_external_svg,
 945                        status: AgentThreadStatus::default(),
 946                        workspace,
 947                        is_live: false,
 948                        is_background: false,
 949                        is_title_generating: false,
 950                        highlight_positions: Vec::new(),
 951                        worktrees,
 952                        diff_stats: DiffStats::default(),
 953                    }
 954                };
 955
 956                // Main code path: one query per group via main_worktree_paths.
 957                // The main_worktree_paths column is set on all new threads and
 958                // points to the group's canonical paths regardless of which
 959                // linked worktree the thread was opened in.
 960                for row in thread_store
 961                    .read(cx)
 962                    .entries_for_main_worktree_path(group_key.path_list())
 963                    .cloned()
 964                {
 965                    if !seen_session_ids.insert(row.session_id.clone()) {
 966                        continue;
 967                    }
 968                    let workspace = resolve_workspace(&row);
 969                    threads.push(make_thread_entry(row, workspace));
 970                }
 971
 972                // Legacy threads did not have `main_worktree_paths` populated, so they
 973                // must be queried by their `folder_paths`.
 974
 975                // Load any legacy threads for the main worktrees of this project group.
 976                for row in thread_store
 977                    .read(cx)
 978                    .entries_for_path(group_key.path_list())
 979                    .cloned()
 980                {
 981                    if !seen_session_ids.insert(row.session_id.clone()) {
 982                        continue;
 983                    }
 984                    let workspace = resolve_workspace(&row);
 985                    threads.push(make_thread_entry(row, workspace));
 986                }
 987
 988                // Load any legacy threads for any single linked wortree of this project group.
 989                let mut linked_worktree_paths = HashSet::new();
 990                for workspace in &group_workspaces {
 991                    if workspace.read(cx).visible_worktrees(cx).count() != 1 {
 992                        continue;
 993                    }
 994                    for snapshot in root_repository_snapshots(workspace, cx) {
 995                        for linked_worktree in snapshot.linked_worktrees() {
 996                            linked_worktree_paths.insert(linked_worktree.path.clone());
 997                        }
 998                    }
 999                }
1000                for path in linked_worktree_paths {
1001                    let worktree_path_list = PathList::new(std::slice::from_ref(&path));
1002                    for row in thread_store
1003                        .read(cx)
1004                        .entries_for_path(&worktree_path_list)
1005                        .cloned()
1006                    {
1007                        if !seen_session_ids.insert(row.session_id.clone()) {
1008                            continue;
1009                        }
1010                        threads.push(make_thread_entry(
1011                            row,
1012                            ThreadEntryWorkspace::Closed {
1013                                folder_paths: worktree_path_list.clone(),
1014                                project_group_key: group_key.clone(),
1015                            },
1016                        ));
1017                    }
1018                }
1019
1020                // Build a lookup from live_infos and compute running/waiting
1021                // counts in a single pass.
1022                let mut live_info_by_session: HashMap<&acp::SessionId, &ActiveThreadInfo> =
1023                    HashMap::new();
1024                for info in &live_infos {
1025                    live_info_by_session.insert(&info.session_id, info);
1026                    if info.status == AgentThreadStatus::Running {
1027                        has_running_threads = true;
1028                    }
1029                    if info.status == AgentThreadStatus::WaitingForConfirmation {
1030                        waiting_thread_count += 1;
1031                    }
1032                }
1033
1034                // Merge live info into threads and update notification state
1035                // in a single pass.
1036                for thread in &mut threads {
1037                    if let Some(info) = live_info_by_session.get(&thread.metadata.session_id) {
1038                        thread.apply_active_info(info);
1039                    }
1040
1041                    let session_id = &thread.metadata.session_id;
1042
1043                    let is_active_thread = self.active_entry.as_ref().is_some_and(|entry| {
1044                        entry.is_active_thread(session_id)
1045                            && active_workspace
1046                                .as_ref()
1047                                .is_some_and(|active| active == entry.workspace())
1048                    });
1049
1050                    if thread.status == AgentThreadStatus::Completed
1051                        && !is_active_thread
1052                        && old_statuses.get(session_id) == Some(&AgentThreadStatus::Running)
1053                    {
1054                        notified_threads.insert(session_id.clone());
1055                    }
1056
1057                    if is_active_thread && !thread.is_background {
1058                        notified_threads.remove(session_id);
1059                    }
1060                }
1061
1062                threads.sort_by(|a, b| {
1063                    let a_time = self
1064                        .thread_last_message_sent_or_queued
1065                        .get(&a.metadata.session_id)
1066                        .copied()
1067                        .or(a.metadata.created_at)
1068                        .or(Some(a.metadata.updated_at));
1069                    let b_time = self
1070                        .thread_last_message_sent_or_queued
1071                        .get(&b.metadata.session_id)
1072                        .copied()
1073                        .or(b.metadata.created_at)
1074                        .or(Some(b.metadata.updated_at));
1075                    b_time.cmp(&a_time)
1076                });
1077            } else {
1078                for info in live_infos {
1079                    if info.status == AgentThreadStatus::Running {
1080                        has_running_threads = true;
1081                    }
1082                    if info.status == AgentThreadStatus::WaitingForConfirmation {
1083                        waiting_thread_count += 1;
1084                    }
1085                }
1086            }
1087
1088            let has_threads = if !threads.is_empty() {
1089                true
1090            } else {
1091                let store = ThreadMetadataStore::global(cx).read(cx);
1092                store
1093                    .entries_for_main_worktree_path(group_key.path_list())
1094                    .next()
1095                    .is_some()
1096                    || store
1097                        .entries_for_path(group_key.path_list())
1098                        .next()
1099                        .is_some()
1100            };
1101
1102            if !query.is_empty() {
1103                let workspace_highlight_positions =
1104                    fuzzy_match_positions(&query, &label).unwrap_or_default();
1105                let workspace_matched = !workspace_highlight_positions.is_empty();
1106
1107                let mut matched_threads: Vec<ThreadEntry> = Vec::new();
1108                for mut thread in threads {
1109                    let title: &str = &thread.metadata.title;
1110                    if let Some(positions) = fuzzy_match_positions(&query, title) {
1111                        thread.highlight_positions = positions;
1112                    }
1113                    let mut worktree_matched = false;
1114                    for worktree in &mut thread.worktrees {
1115                        if let Some(positions) = fuzzy_match_positions(&query, &worktree.name) {
1116                            worktree.highlight_positions = positions;
1117                            worktree_matched = true;
1118                        }
1119                    }
1120                    if workspace_matched
1121                        || !thread.highlight_positions.is_empty()
1122                        || worktree_matched
1123                    {
1124                        matched_threads.push(thread);
1125                    }
1126                }
1127
1128                if matched_threads.is_empty() && !workspace_matched {
1129                    continue;
1130                }
1131
1132                project_header_indices.push(entries.len());
1133                entries.push(ListEntry::ProjectHeader {
1134                    key: group_key.clone(),
1135                    label,
1136                    highlight_positions: workspace_highlight_positions,
1137                    has_running_threads,
1138                    waiting_thread_count,
1139                    is_active,
1140                    has_threads,
1141                });
1142
1143                for thread in matched_threads {
1144                    current_session_ids.insert(thread.metadata.session_id.clone());
1145                    entries.push(thread.into());
1146                }
1147            } else {
1148                let is_draft_for_group = is_active
1149                    && matches!(&self.active_entry, Some(ActiveEntry::Draft(ws)) if group_workspaces.contains(ws));
1150
1151                project_header_indices.push(entries.len());
1152                entries.push(ListEntry::ProjectHeader {
1153                    key: group_key.clone(),
1154                    label,
1155                    highlight_positions: Vec::new(),
1156                    has_running_threads,
1157                    waiting_thread_count,
1158                    is_active,
1159                    has_threads,
1160                });
1161
1162                if is_collapsed {
1163                    continue;
1164                }
1165
1166                // Emit a DraftThread entry when the active draft belongs to this group.
1167                if is_draft_for_group {
1168                    if let Some(ActiveEntry::Draft(draft_ws)) = &self.active_entry {
1169                        let ws_path_list = workspace_path_list(draft_ws, cx);
1170                        let worktrees = worktree_info_from_thread_paths(&ws_path_list, &group_key);
1171                        entries.push(ListEntry::DraftThread {
1172                            key: group_key.clone(),
1173                            workspace: None,
1174                            worktrees: worktrees.collect(),
1175                        });
1176                    }
1177                }
1178
1179                // Emit a DraftThread for each open linked worktree workspace
1180                // that has no threads. Skip the specific workspace that is
1181                // showing the active draft (it already has a DraftThread entry
1182                // from the block above).
1183                {
1184                    let draft_ws_id = if is_draft_for_group {
1185                        self.active_entry.as_ref().and_then(|e| match e {
1186                            ActiveEntry::Draft(ws) => Some(ws.entity_id()),
1187                            _ => None,
1188                        })
1189                    } else {
1190                        None
1191                    };
1192                    let thread_store = ThreadMetadataStore::global(cx);
1193                    for ws in &group_workspaces {
1194                        if Some(ws.entity_id()) == draft_ws_id {
1195                            continue;
1196                        }
1197                        let ws_path_list = workspace_path_list(ws, cx);
1198                        let has_linked_worktrees =
1199                            worktree_info_from_thread_paths(&ws_path_list, &group_key)
1200                                .any(|wt| wt.kind == ui::WorktreeKind::Linked);
1201                        if !has_linked_worktrees {
1202                            continue;
1203                        }
1204                        let store = thread_store.read(cx);
1205                        let has_threads = store.entries_for_path(&ws_path_list).next().is_some()
1206                            || store
1207                                .entries_for_main_worktree_path(&ws_path_list)
1208                                .next()
1209                                .is_some();
1210                        if has_threads {
1211                            continue;
1212                        }
1213                        let worktrees: Vec<WorktreeInfo> =
1214                            worktree_info_from_thread_paths(&ws_path_list, &group_key).collect();
1215
1216                        entries.push(ListEntry::DraftThread {
1217                            key: group_key.clone(),
1218                            workspace: Some(ws.clone()),
1219                            worktrees,
1220                        });
1221                    }
1222                }
1223
1224                let total = threads.len();
1225
1226                let extra_batches = self.expanded_groups.get(&group_key).copied().unwrap_or(0);
1227                let threads_to_show =
1228                    DEFAULT_THREADS_SHOWN + (extra_batches * DEFAULT_THREADS_SHOWN);
1229                let count = threads_to_show.min(total);
1230
1231                let mut promoted_threads: HashSet<acp::SessionId> = HashSet::new();
1232
1233                // Build visible entries in a single pass. Threads within
1234                // the cutoff are always shown. Threads beyond it are shown
1235                // only if they should be promoted (running, waiting, or
1236                // focused)
1237                for (index, thread) in threads.into_iter().enumerate() {
1238                    let is_hidden = index >= count;
1239
1240                    let session_id = &thread.metadata.session_id;
1241                    if is_hidden {
1242                        let is_promoted = thread.status == AgentThreadStatus::Running
1243                            || thread.status == AgentThreadStatus::WaitingForConfirmation
1244                            || notified_threads.contains(session_id)
1245                            || self.active_entry.as_ref().is_some_and(|active| {
1246                                active.matches_entry(&ListEntry::Thread(thread.clone()))
1247                            });
1248                        if is_promoted {
1249                            promoted_threads.insert(session_id.clone());
1250                        }
1251                        if !promoted_threads.contains(session_id) {
1252                            continue;
1253                        }
1254                    }
1255
1256                    current_session_ids.insert(session_id.clone());
1257                    entries.push(thread.into());
1258                }
1259
1260                let visible = count + promoted_threads.len();
1261                let is_fully_expanded = visible >= total;
1262
1263                if total > DEFAULT_THREADS_SHOWN {
1264                    entries.push(ListEntry::ViewMore {
1265                        key: group_key.clone(),
1266                        is_fully_expanded,
1267                    });
1268                }
1269            }
1270        }
1271
1272        // Prune stale notifications using the session IDs we collected during
1273        // the build pass (no extra scan needed).
1274        notified_threads.retain(|id| current_session_ids.contains(id));
1275
1276        self.thread_last_accessed
1277            .retain(|id, _| current_session_ids.contains(id));
1278        self.thread_last_message_sent_or_queued
1279            .retain(|id, _| current_session_ids.contains(id));
1280
1281        self.contents = SidebarContents {
1282            entries,
1283            notified_threads,
1284            project_header_indices,
1285            has_open_projects,
1286        };
1287    }
1288
1289    /// Rebuilds the sidebar's visible entries from already-cached state.
1290    fn update_entries(&mut self, cx: &mut Context<Self>) {
1291        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
1292            return;
1293        };
1294        if !multi_workspace.read(cx).multi_workspace_enabled(cx) {
1295            return;
1296        }
1297
1298        let had_notifications = self.has_notifications(cx);
1299        let scroll_position = self.list_state.logical_scroll_top();
1300
1301        self.rebuild_contents(cx);
1302
1303        self.list_state.reset(self.contents.entries.len());
1304        self.list_state.scroll_to(scroll_position);
1305
1306        if had_notifications != self.has_notifications(cx) {
1307            multi_workspace.update(cx, |_, cx| {
1308                cx.notify();
1309            });
1310        }
1311
1312        cx.notify();
1313    }
1314
1315    fn select_first_entry(&mut self) {
1316        self.selection = self
1317            .contents
1318            .entries
1319            .iter()
1320            .position(|entry| matches!(entry, ListEntry::Thread(_)))
1321            .or_else(|| {
1322                if self.contents.entries.is_empty() {
1323                    None
1324                } else {
1325                    Some(0)
1326                }
1327            });
1328    }
1329
1330    fn render_list_entry(
1331        &mut self,
1332        ix: usize,
1333        window: &mut Window,
1334        cx: &mut Context<Self>,
1335    ) -> AnyElement {
1336        let Some(entry) = self.contents.entries.get(ix) else {
1337            return div().into_any_element();
1338        };
1339        let is_focused = self.focus_handle.is_focused(window);
1340        // is_selected means the keyboard selector is here.
1341        let is_selected = is_focused && self.selection == Some(ix);
1342
1343        let is_group_header_after_first =
1344            ix > 0 && matches!(entry, ListEntry::ProjectHeader { .. });
1345
1346        let is_active = self
1347            .active_entry
1348            .as_ref()
1349            .is_some_and(|active| active.matches_entry(entry));
1350
1351        let rendered = match entry {
1352            ListEntry::ProjectHeader {
1353                key,
1354                label,
1355                highlight_positions,
1356                has_running_threads,
1357                waiting_thread_count,
1358                is_active: is_active_group,
1359                has_threads,
1360            } => self.render_project_header(
1361                ix,
1362                false,
1363                key,
1364                label,
1365                highlight_positions,
1366                *has_running_threads,
1367                *waiting_thread_count,
1368                *is_active_group,
1369                is_selected,
1370                *has_threads,
1371                cx,
1372            ),
1373            ListEntry::Thread(thread) => self.render_thread(ix, thread, is_active, is_selected, cx),
1374            ListEntry::ViewMore {
1375                key,
1376                is_fully_expanded,
1377            } => self.render_view_more(ix, key, *is_fully_expanded, is_selected, cx),
1378            ListEntry::DraftThread {
1379                key,
1380                workspace,
1381                worktrees,
1382            } => {
1383                if workspace.is_some() {
1384                    self.render_new_thread(ix, key, worktrees, workspace.as_ref(), is_selected, cx)
1385                } else {
1386                    self.render_draft_thread(ix, is_active, worktrees, is_selected, cx)
1387                }
1388            }
1389        };
1390
1391        if is_group_header_after_first {
1392            v_flex()
1393                .w_full()
1394                .border_t_1()
1395                .border_color(cx.theme().colors().border)
1396                .child(rendered)
1397                .into_any_element()
1398        } else {
1399            rendered
1400        }
1401    }
1402
1403    fn render_remote_project_icon(
1404        &self,
1405        ix: usize,
1406        host: Option<&RemoteConnectionOptions>,
1407    ) -> Option<AnyElement> {
1408        let remote_icon_per_type = match host? {
1409            RemoteConnectionOptions::Wsl(_) => IconName::Linux,
1410            RemoteConnectionOptions::Docker(_) => IconName::Box,
1411            _ => IconName::Server,
1412        };
1413
1414        Some(
1415            div()
1416                .id(format!("remote-project-icon-{}", ix))
1417                .child(
1418                    Icon::new(remote_icon_per_type)
1419                        .size(IconSize::XSmall)
1420                        .color(Color::Muted),
1421                )
1422                .tooltip(Tooltip::text("Remote Project"))
1423                .into_any_element(),
1424        )
1425    }
1426
1427    fn render_project_header(
1428        &self,
1429        ix: usize,
1430        is_sticky: bool,
1431        key: &ProjectGroupKey,
1432        label: &SharedString,
1433        highlight_positions: &[usize],
1434        has_running_threads: bool,
1435        waiting_thread_count: usize,
1436        is_active: bool,
1437        is_focused: bool,
1438        has_threads: bool,
1439        cx: &mut Context<Self>,
1440    ) -> AnyElement {
1441        let host = key.host();
1442
1443        let id_prefix = if is_sticky { "sticky-" } else { "" };
1444        let id = SharedString::from(format!("{id_prefix}project-header-{ix}"));
1445        let disclosure_id = SharedString::from(format!("disclosure-{ix}"));
1446        let group_name = SharedString::from(format!("{id_prefix}header-group-{ix}"));
1447
1448        let is_collapsed = self.collapsed_groups.contains(key);
1449        let (disclosure_icon, disclosure_tooltip) = if is_collapsed {
1450            (IconName::ChevronRight, "Expand Project")
1451        } else {
1452            (IconName::ChevronDown, "Collapse Project")
1453        };
1454
1455        let has_new_thread_entry = self
1456            .contents
1457            .entries
1458            .get(ix + 1)
1459            .is_some_and(|entry| matches!(entry, ListEntry::DraftThread { .. }));
1460        let show_new_thread_button = !has_new_thread_entry && !self.has_filter_query(cx);
1461        let workspace = self.multi_workspace.upgrade().and_then(|mw| {
1462            mw.read(cx)
1463                .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
1464        });
1465
1466        let key_for_toggle = key.clone();
1467        let key_for_collapse = key.clone();
1468        let view_more_expanded = self.expanded_groups.contains_key(key);
1469
1470        let label = if highlight_positions.is_empty() {
1471            Label::new(label.clone())
1472                .when(!is_active, |this| this.color(Color::Muted))
1473                .into_any_element()
1474        } else {
1475            HighlightedLabel::new(label.clone(), highlight_positions.to_vec())
1476                .when(!is_active, |this| this.color(Color::Muted))
1477                .into_any_element()
1478        };
1479
1480        let color = cx.theme().colors();
1481        let hover_color = color
1482            .element_active
1483            .blend(color.element_background.opacity(0.2));
1484
1485        let is_ellipsis_menu_open = self.project_header_menu_ix == Some(ix);
1486
1487        h_flex()
1488            .id(id)
1489            .group(&group_name)
1490            .h(Tab::content_height(cx))
1491            .w_full()
1492            .pl(px(5.))
1493            .pr_1p5()
1494            .border_1()
1495            .map(|this| {
1496                if is_focused {
1497                    this.border_color(color.border_focused)
1498                } else {
1499                    this.border_color(gpui::transparent_black())
1500                }
1501            })
1502            .justify_between()
1503            .child(
1504                h_flex()
1505                    .relative()
1506                    .min_w_0()
1507                    .w_full()
1508                    .gap(px(5.))
1509                    .child(
1510                        IconButton::new(disclosure_id, disclosure_icon)
1511                            .shape(ui::IconButtonShape::Square)
1512                            .icon_size(IconSize::Small)
1513                            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.5)))
1514                            .tooltip(Tooltip::text(disclosure_tooltip))
1515                            .on_click(cx.listener(move |this, _, window, cx| {
1516                                this.selection = None;
1517                                this.toggle_collapse(&key_for_toggle, window, cx);
1518                            })),
1519                    )
1520                    .child(label)
1521                    .when_some(
1522                        self.render_remote_project_icon(ix, host.as_ref()),
1523                        |this, icon| this.child(icon),
1524                    )
1525                    .when(is_collapsed, |this| {
1526                        this.when(has_running_threads, |this| {
1527                            this.child(
1528                                Icon::new(IconName::LoadCircle)
1529                                    .size(IconSize::XSmall)
1530                                    .color(Color::Muted)
1531                                    .with_rotate_animation(2),
1532                            )
1533                        })
1534                        .when(waiting_thread_count > 0, |this| {
1535                            let tooltip_text = if waiting_thread_count == 1 {
1536                                "1 thread is waiting for confirmation".to_string()
1537                            } else {
1538                                format!(
1539                                    "{waiting_thread_count} threads are waiting for confirmation",
1540                                )
1541                            };
1542                            this.child(
1543                                div()
1544                                    .id(format!("{id_prefix}waiting-indicator-{ix}"))
1545                                    .child(
1546                                        Icon::new(IconName::Warning)
1547                                            .size(IconSize::XSmall)
1548                                            .color(Color::Warning),
1549                                    )
1550                                    .tooltip(Tooltip::text(tooltip_text)),
1551                            )
1552                        })
1553                    }),
1554            )
1555            .child(
1556                h_flex()
1557                    .when(!is_ellipsis_menu_open, |this| {
1558                        this.visible_on_hover(&group_name)
1559                    })
1560                    .on_mouse_down(gpui::MouseButton::Left, |_, _, cx| {
1561                        cx.stop_propagation();
1562                    })
1563                    .child(self.render_project_header_ellipsis_menu(ix, id_prefix, key, cx))
1564                    .when(view_more_expanded && !is_collapsed, |this| {
1565                        this.child(
1566                            IconButton::new(
1567                                SharedString::from(format!(
1568                                    "{id_prefix}project-header-collapse-{ix}",
1569                                )),
1570                                IconName::ListCollapse,
1571                            )
1572                            .icon_size(IconSize::Small)
1573                            .tooltip(Tooltip::text("Collapse Displayed Threads"))
1574                            .on_click(cx.listener({
1575                                let key_for_collapse = key_for_collapse.clone();
1576                                move |this, _, _window, cx| {
1577                                    this.selection = None;
1578                                    this.expanded_groups.remove(&key_for_collapse);
1579                                    this.serialize(cx);
1580                                    this.update_entries(cx);
1581                                }
1582                            })),
1583                        )
1584                    })
1585                    .when_some(
1586                        workspace.filter(|_| show_new_thread_button),
1587                        |this, workspace| {
1588                            let key = key.clone();
1589                            let focus_handle = self.focus_handle.clone();
1590                            this.child(
1591                                IconButton::new(
1592                                    SharedString::from(format!(
1593                                        "{id_prefix}project-header-new-thread-{ix}",
1594                                    )),
1595                                    IconName::Plus,
1596                                )
1597                                .icon_size(IconSize::Small)
1598                                .tooltip(move |_, cx| {
1599                                    Tooltip::for_action_in(
1600                                        "New Thread",
1601                                        &NewThread,
1602                                        &focus_handle,
1603                                        cx,
1604                                    )
1605                                })
1606                                .on_click(cx.listener(
1607                                    move |this, _, window, cx| {
1608                                        this.collapsed_groups.remove(&key);
1609                                        this.selection = None;
1610                                        this.create_new_thread(&workspace, window, cx);
1611                                    },
1612                                )),
1613                            )
1614                        },
1615                    ),
1616            )
1617            .map(|this| {
1618                if !has_threads && is_active {
1619                    this
1620                } else {
1621                    let key = key.clone();
1622                    this.cursor_pointer()
1623                        .when(!is_active, |this| this.hover(|s| s.bg(hover_color)))
1624                        .tooltip(Tooltip::text("Open Workspace"))
1625                        .on_click(cx.listener(move |this, _, window, cx| {
1626                            if let Some(workspace) = this.multi_workspace.upgrade().and_then(|mw| {
1627                                mw.read(cx).workspace_for_paths(
1628                                    key.path_list(),
1629                                    key.host().as_ref(),
1630                                    cx,
1631                                )
1632                            }) {
1633                                this.active_entry = Some(ActiveEntry::Draft(workspace.clone()));
1634                                if let Some(multi_workspace) = this.multi_workspace.upgrade() {
1635                                    multi_workspace.update(cx, |multi_workspace, cx| {
1636                                        multi_workspace.activate(workspace.clone(), window, cx);
1637                                    });
1638                                }
1639                                if AgentPanel::is_visible(&workspace, cx) {
1640                                    workspace.update(cx, |workspace, cx| {
1641                                        workspace.focus_panel::<AgentPanel>(window, cx);
1642                                    });
1643                                }
1644                            } else {
1645                                this.open_workspace_for_group(&key, window, cx);
1646                            }
1647                        }))
1648                }
1649            })
1650            .into_any_element()
1651    }
1652
1653    fn render_project_header_ellipsis_menu(
1654        &self,
1655        ix: usize,
1656        id_prefix: &str,
1657        project_group_key: &ProjectGroupKey,
1658        cx: &mut Context<Self>,
1659    ) -> impl IntoElement {
1660        let multi_workspace = self.multi_workspace.clone();
1661        let this = cx.weak_entity();
1662        let project_group_key = project_group_key.clone();
1663
1664        PopoverMenu::new(format!("{id_prefix}project-header-menu-{ix}"))
1665            .on_open(Rc::new({
1666                let this = this.clone();
1667                move |_window, cx| {
1668                    this.update(cx, |sidebar, cx| {
1669                        sidebar.project_header_menu_ix = Some(ix);
1670                        cx.notify();
1671                    })
1672                    .ok();
1673                }
1674            }))
1675            .menu(move |window, cx| {
1676                let multi_workspace = multi_workspace.clone();
1677                let project_group_key = project_group_key.clone();
1678
1679                let menu =
1680                    ContextMenu::build_persistent(window, cx, move |menu, _window, menu_cx| {
1681                        let mut menu = menu
1682                            .header("Project Folders")
1683                            .end_slot_action(Box::new(menu::EndSlot));
1684
1685                        for path in project_group_key.path_list().paths() {
1686                            let Some(name) = path.file_name() else {
1687                                continue;
1688                            };
1689                            let name: SharedString = name.to_string_lossy().into_owned().into();
1690                            let path = path.clone();
1691                            let project_group_key = project_group_key.clone();
1692                            let multi_workspace = multi_workspace.clone();
1693                            menu = menu.entry_with_end_slot_on_hover(
1694                                name.clone(),
1695                                None,
1696                                |_, _| {},
1697                                IconName::Close,
1698                                "Remove Folder".into(),
1699                                move |_window, cx| {
1700                                    multi_workspace
1701                                        .update(cx, |multi_workspace, cx| {
1702                                            multi_workspace.remove_folder_from_project_group(
1703                                                &project_group_key,
1704                                                &path,
1705                                                cx,
1706                                            );
1707                                        })
1708                                        .ok();
1709                                },
1710                            );
1711                        }
1712
1713                        let menu = menu.separator().entry(
1714                            "Add Folder to Project",
1715                            Some(Box::new(AddFolderToProject)),
1716                            {
1717                                let project_group_key = project_group_key.clone();
1718                                let multi_workspace = multi_workspace.clone();
1719                                move |window, cx| {
1720                                    multi_workspace
1721                                        .update(cx, |multi_workspace, cx| {
1722                                            multi_workspace.prompt_to_add_folders_to_project_group(
1723                                                &project_group_key,
1724                                                window,
1725                                                cx,
1726                                            );
1727                                        })
1728                                        .ok();
1729                                }
1730                            },
1731                        );
1732
1733                        let project_group_key = project_group_key.clone();
1734                        let multi_workspace = multi_workspace.clone();
1735                        let weak_menu = menu_cx.weak_entity();
1736                        menu.separator()
1737                            .entry("Remove Project", None, move |window, cx| {
1738                                multi_workspace
1739                                    .update(cx, |multi_workspace, cx| {
1740                                        multi_workspace
1741                                            .remove_project_group(&project_group_key, window, cx)
1742                                            .detach_and_log_err(cx);
1743                                    })
1744                                    .ok();
1745                                weak_menu.update(cx, |_, cx| cx.emit(DismissEvent)).ok();
1746                            })
1747                    });
1748
1749                let this = this.clone();
1750                window
1751                    .subscribe(&menu, cx, move |_, _: &gpui::DismissEvent, _window, cx| {
1752                        this.update(cx, |sidebar, cx| {
1753                            sidebar.project_header_menu_ix = None;
1754                            cx.notify();
1755                        })
1756                        .ok();
1757                    })
1758                    .detach();
1759
1760                Some(menu)
1761            })
1762            .trigger(
1763                IconButton::new(
1764                    SharedString::from(format!("{id_prefix}-ellipsis-menu-{ix}")),
1765                    IconName::Ellipsis,
1766                )
1767                .selected_style(ButtonStyle::Tinted(TintColor::Accent))
1768                .icon_size(IconSize::Small),
1769            )
1770            .anchor(gpui::Corner::TopRight)
1771            .offset(gpui::Point {
1772                x: px(0.),
1773                y: px(1.),
1774            })
1775    }
1776
1777    fn render_sticky_header(
1778        &self,
1779        window: &mut Window,
1780        cx: &mut Context<Self>,
1781    ) -> Option<AnyElement> {
1782        let scroll_top = self.list_state.logical_scroll_top();
1783
1784        let &header_idx = self
1785            .contents
1786            .project_header_indices
1787            .iter()
1788            .rev()
1789            .find(|&&idx| idx <= scroll_top.item_ix)?;
1790
1791        let needs_sticky = header_idx < scroll_top.item_ix
1792            || (header_idx == scroll_top.item_ix && scroll_top.offset_in_item > px(0.));
1793
1794        if !needs_sticky {
1795            return None;
1796        }
1797
1798        let ListEntry::ProjectHeader {
1799            key,
1800            label,
1801            highlight_positions,
1802            has_running_threads,
1803            waiting_thread_count,
1804            is_active,
1805            has_threads,
1806        } = self.contents.entries.get(header_idx)?
1807        else {
1808            return None;
1809        };
1810
1811        let is_focused = self.focus_handle.is_focused(window);
1812        let is_selected = is_focused && self.selection == Some(header_idx);
1813
1814        let header_element = self.render_project_header(
1815            header_idx,
1816            true,
1817            key,
1818            &label,
1819            &highlight_positions,
1820            *has_running_threads,
1821            *waiting_thread_count,
1822            *is_active,
1823            *has_threads,
1824            is_selected,
1825            cx,
1826        );
1827
1828        let top_offset = self
1829            .contents
1830            .project_header_indices
1831            .iter()
1832            .find(|&&idx| idx > header_idx)
1833            .and_then(|&next_idx| {
1834                let bounds = self.list_state.bounds_for_item(next_idx)?;
1835                let viewport = self.list_state.viewport_bounds();
1836                let y_in_viewport = bounds.origin.y - viewport.origin.y;
1837                let header_height = bounds.size.height;
1838                (y_in_viewport < header_height).then_some(y_in_viewport - header_height)
1839            })
1840            .unwrap_or(px(0.));
1841
1842        let color = cx.theme().colors();
1843        let background = color
1844            .title_bar_background
1845            .blend(color.panel_background.opacity(0.2));
1846
1847        let element = v_flex()
1848            .absolute()
1849            .top(top_offset)
1850            .left_0()
1851            .w_full()
1852            .bg(background)
1853            .border_b_1()
1854            .border_color(color.border.opacity(0.5))
1855            .child(header_element)
1856            .shadow_xs()
1857            .into_any_element();
1858
1859        Some(element)
1860    }
1861
1862    fn toggle_collapse(
1863        &mut self,
1864        project_group_key: &ProjectGroupKey,
1865        _window: &mut Window,
1866        cx: &mut Context<Self>,
1867    ) {
1868        if self.collapsed_groups.contains(project_group_key) {
1869            self.collapsed_groups.remove(project_group_key);
1870        } else {
1871            self.collapsed_groups.insert(project_group_key.clone());
1872        }
1873        self.serialize(cx);
1874        self.update_entries(cx);
1875    }
1876
1877    fn dispatch_context(&self, window: &Window, cx: &Context<Self>) -> KeyContext {
1878        let mut dispatch_context = KeyContext::new_with_defaults();
1879        dispatch_context.add("ThreadsSidebar");
1880        dispatch_context.add("menu");
1881
1882        let is_archived_search_focused = matches!(&self.view, SidebarView::Archive(archive) if archive.read(cx).is_filter_editor_focused(window, cx));
1883
1884        let identifier = if self.filter_editor.focus_handle(cx).is_focused(window)
1885            || is_archived_search_focused
1886        {
1887            "searching"
1888        } else {
1889            "not_searching"
1890        };
1891
1892        dispatch_context.add(identifier);
1893        dispatch_context
1894    }
1895
1896    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1897        if !self.focus_handle.is_focused(window) {
1898            return;
1899        }
1900
1901        if let SidebarView::Archive(archive) = &self.view {
1902            let has_selection = archive.read(cx).has_selection();
1903            if !has_selection {
1904                archive.update(cx, |view, cx| view.focus_filter_editor(window, cx));
1905            }
1906        } else if self.selection.is_none() {
1907            self.filter_editor.focus_handle(cx).focus(window, cx);
1908        }
1909    }
1910
1911    fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
1912        if self.reset_filter_editor_text(window, cx) {
1913            self.update_entries(cx);
1914        } else {
1915            self.selection = None;
1916            self.filter_editor.focus_handle(cx).focus(window, cx);
1917            cx.notify();
1918        }
1919    }
1920
1921    fn focus_sidebar_filter(
1922        &mut self,
1923        _: &FocusSidebarFilter,
1924        window: &mut Window,
1925        cx: &mut Context<Self>,
1926    ) {
1927        self.selection = None;
1928        if let SidebarView::Archive(archive) = &self.view {
1929            archive.update(cx, |view, cx| {
1930                view.clear_selection();
1931                view.focus_filter_editor(window, cx);
1932            });
1933        } else {
1934            self.filter_editor.focus_handle(cx).focus(window, cx);
1935        }
1936
1937        // When vim mode is active, the editor defaults to normal mode which
1938        // blocks text input. Switch to insert mode so the user can type
1939        // immediately.
1940        if vim_mode_setting::VimModeSetting::get_global(cx).0 {
1941            if let Ok(action) = cx.build_action("vim::SwitchToInsertMode", None) {
1942                window.dispatch_action(action, cx);
1943            }
1944        }
1945
1946        cx.notify();
1947    }
1948
1949    fn reset_filter_editor_text(&mut self, window: &mut Window, cx: &mut Context<Self>) -> bool {
1950        self.filter_editor.update(cx, |editor, cx| {
1951            if editor.buffer().read(cx).len(cx).0 > 0 {
1952                editor.set_text("", window, cx);
1953                true
1954            } else {
1955                false
1956            }
1957        })
1958    }
1959
1960    fn has_filter_query(&self, cx: &App) -> bool {
1961        !self.filter_editor.read(cx).text(cx).is_empty()
1962    }
1963
1964    fn editor_move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
1965        self.select_next(&SelectNext, window, cx);
1966        if self.selection.is_some() {
1967            self.focus_handle.focus(window, cx);
1968        }
1969    }
1970
1971    fn editor_move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
1972        self.select_previous(&SelectPrevious, window, cx);
1973        if self.selection.is_some() {
1974            self.focus_handle.focus(window, cx);
1975        }
1976    }
1977
1978    fn editor_confirm(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1979        if self.selection.is_none() {
1980            self.select_next(&SelectNext, window, cx);
1981        }
1982        if self.selection.is_some() {
1983            self.focus_handle.focus(window, cx);
1984        }
1985    }
1986
1987    fn select_next(&mut self, _: &SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
1988        let next = match self.selection {
1989            Some(ix) if ix + 1 < self.contents.entries.len() => ix + 1,
1990            Some(_) if !self.contents.entries.is_empty() => 0,
1991            None if !self.contents.entries.is_empty() => 0,
1992            _ => return,
1993        };
1994        self.selection = Some(next);
1995        self.list_state.scroll_to_reveal_item(next);
1996        cx.notify();
1997    }
1998
1999    fn select_previous(&mut self, _: &SelectPrevious, window: &mut Window, cx: &mut Context<Self>) {
2000        match self.selection {
2001            Some(0) => {
2002                self.selection = None;
2003                self.filter_editor.focus_handle(cx).focus(window, cx);
2004                cx.notify();
2005            }
2006            Some(ix) => {
2007                self.selection = Some(ix - 1);
2008                self.list_state.scroll_to_reveal_item(ix - 1);
2009                cx.notify();
2010            }
2011            None if !self.contents.entries.is_empty() => {
2012                let last = self.contents.entries.len() - 1;
2013                self.selection = Some(last);
2014                self.list_state.scroll_to_reveal_item(last);
2015                cx.notify();
2016            }
2017            None => {}
2018        }
2019    }
2020
2021    fn select_first(&mut self, _: &SelectFirst, _window: &mut Window, cx: &mut Context<Self>) {
2022        if !self.contents.entries.is_empty() {
2023            self.selection = Some(0);
2024            self.list_state.scroll_to_reveal_item(0);
2025            cx.notify();
2026        }
2027    }
2028
2029    fn select_last(&mut self, _: &SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
2030        if let Some(last) = self.contents.entries.len().checked_sub(1) {
2031            self.selection = Some(last);
2032            self.list_state.scroll_to_reveal_item(last);
2033            cx.notify();
2034        }
2035    }
2036
2037    fn confirm(&mut self, _: &Confirm, window: &mut Window, cx: &mut Context<Self>) {
2038        let Some(ix) = self.selection else { return };
2039        let Some(entry) = self.contents.entries.get(ix) else {
2040            return;
2041        };
2042
2043        match entry {
2044            ListEntry::ProjectHeader { key, .. } => {
2045                let key = key.clone();
2046                self.toggle_collapse(&key, window, cx);
2047            }
2048            ListEntry::Thread(thread) => {
2049                let metadata = thread.metadata.clone();
2050                match &thread.workspace {
2051                    ThreadEntryWorkspace::Open(workspace) => {
2052                        let workspace = workspace.clone();
2053                        self.activate_thread(metadata, &workspace, false, window, cx);
2054                    }
2055                    ThreadEntryWorkspace::Closed {
2056                        folder_paths,
2057                        project_group_key,
2058                    } => {
2059                        let folder_paths = folder_paths.clone();
2060                        let project_group_key = project_group_key.clone();
2061                        self.open_workspace_and_activate_thread(
2062                            metadata,
2063                            folder_paths,
2064                            &project_group_key,
2065                            window,
2066                            cx,
2067                        );
2068                    }
2069                }
2070            }
2071            ListEntry::ViewMore {
2072                key,
2073                is_fully_expanded,
2074                ..
2075            } => {
2076                let key = key.clone();
2077                if *is_fully_expanded {
2078                    self.reset_thread_group_expansion(&key, cx);
2079                } else {
2080                    self.expand_thread_group(&key, cx);
2081                }
2082            }
2083            ListEntry::DraftThread { key, workspace, .. } => {
2084                let key = key.clone();
2085                let workspace = workspace.clone();
2086                if let Some(workspace) = workspace.or_else(|| {
2087                    self.multi_workspace.upgrade().and_then(|mw| {
2088                        mw.read(cx)
2089                            .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
2090                    })
2091                }) {
2092                    self.create_new_thread(&workspace, window, cx);
2093                } else {
2094                    self.open_workspace_for_group(&key, window, cx);
2095                }
2096            }
2097        }
2098    }
2099
2100    fn find_workspace_across_windows(
2101        &self,
2102        cx: &App,
2103        predicate: impl Fn(&Entity<Workspace>, &App) -> bool,
2104    ) -> Option<(WindowHandle<MultiWorkspace>, Entity<Workspace>)> {
2105        cx.windows()
2106            .into_iter()
2107            .filter_map(|window| window.downcast::<MultiWorkspace>())
2108            .find_map(|window| {
2109                let workspace = window.read(cx).ok().and_then(|multi_workspace| {
2110                    multi_workspace
2111                        .workspaces()
2112                        .find(|workspace| predicate(workspace, cx))
2113                        .cloned()
2114                })?;
2115                Some((window, workspace))
2116            })
2117    }
2118
2119    fn find_workspace_in_current_window(
2120        &self,
2121        cx: &App,
2122        predicate: impl Fn(&Entity<Workspace>, &App) -> bool,
2123    ) -> Option<Entity<Workspace>> {
2124        self.multi_workspace.upgrade().and_then(|multi_workspace| {
2125            multi_workspace
2126                .read(cx)
2127                .workspaces()
2128                .find(|workspace| predicate(workspace, cx))
2129                .cloned()
2130        })
2131    }
2132
2133    fn load_agent_thread_in_workspace(
2134        workspace: &Entity<Workspace>,
2135        metadata: &ThreadMetadata,
2136        focus: bool,
2137        window: &mut Window,
2138        cx: &mut App,
2139    ) {
2140        workspace.update(cx, |workspace, cx| {
2141            workspace.reveal_panel::<AgentPanel>(window, cx);
2142        });
2143
2144        if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2145            agent_panel.update(cx, |panel, cx| {
2146                panel.load_agent_thread(
2147                    Agent::from(metadata.agent_id.clone()),
2148                    metadata.session_id.clone(),
2149                    Some(metadata.folder_paths.clone()),
2150                    Some(metadata.title.clone()),
2151                    focus,
2152                    window,
2153                    cx,
2154                );
2155            });
2156        }
2157    }
2158
2159    fn activate_thread_locally(
2160        &mut self,
2161        metadata: &ThreadMetadata,
2162        workspace: &Entity<Workspace>,
2163        retain: bool,
2164        window: &mut Window,
2165        cx: &mut Context<Self>,
2166    ) {
2167        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2168            return;
2169        };
2170
2171        // Set active_entry eagerly so the sidebar highlight updates
2172        // immediately, rather than waiting for a deferred AgentPanel
2173        // event which can race with ActiveWorkspaceChanged clearing it.
2174        self.active_entry = Some(ActiveEntry::Thread {
2175            session_id: metadata.session_id.clone(),
2176            workspace: workspace.clone(),
2177        });
2178        self.record_thread_access(&metadata.session_id);
2179
2180        multi_workspace.update(cx, |multi_workspace, cx| {
2181            multi_workspace.activate(workspace.clone(), window, cx);
2182            if retain {
2183                multi_workspace.retain_active_workspace(cx);
2184            }
2185        });
2186
2187        Self::load_agent_thread_in_workspace(workspace, metadata, true, window, cx);
2188
2189        self.update_entries(cx);
2190    }
2191
2192    fn activate_thread_in_other_window(
2193        &self,
2194        metadata: ThreadMetadata,
2195        workspace: Entity<Workspace>,
2196        target_window: WindowHandle<MultiWorkspace>,
2197        cx: &mut Context<Self>,
2198    ) {
2199        let target_session_id = metadata.session_id.clone();
2200        let workspace_for_entry = workspace.clone();
2201
2202        let activated = target_window
2203            .update(cx, |multi_workspace, window, cx| {
2204                window.activate_window();
2205                multi_workspace.activate(workspace.clone(), window, cx);
2206                Self::load_agent_thread_in_workspace(&workspace, &metadata, true, window, cx);
2207            })
2208            .log_err()
2209            .is_some();
2210
2211        if activated {
2212            if let Some(target_sidebar) = target_window
2213                .read(cx)
2214                .ok()
2215                .and_then(|multi_workspace| {
2216                    multi_workspace.sidebar().map(|sidebar| sidebar.to_any())
2217                })
2218                .and_then(|sidebar| sidebar.downcast::<Self>().ok())
2219            {
2220                target_sidebar.update(cx, |sidebar, cx| {
2221                    sidebar.active_entry = Some(ActiveEntry::Thread {
2222                        session_id: target_session_id.clone(),
2223                        workspace: workspace_for_entry.clone(),
2224                    });
2225                    sidebar.record_thread_access(&target_session_id);
2226                    sidebar.update_entries(cx);
2227                });
2228            }
2229        }
2230    }
2231
2232    fn activate_thread(
2233        &mut self,
2234        metadata: ThreadMetadata,
2235        workspace: &Entity<Workspace>,
2236        retain: bool,
2237        window: &mut Window,
2238        cx: &mut Context<Self>,
2239    ) {
2240        if self
2241            .find_workspace_in_current_window(cx, |candidate, _| candidate == workspace)
2242            .is_some()
2243        {
2244            self.activate_thread_locally(&metadata, &workspace, retain, window, cx);
2245            return;
2246        }
2247
2248        let Some((target_window, workspace)) =
2249            self.find_workspace_across_windows(cx, |candidate, _| candidate == workspace)
2250        else {
2251            return;
2252        };
2253
2254        self.activate_thread_in_other_window(metadata, workspace, target_window, cx);
2255    }
2256
2257    fn open_workspace_and_activate_thread(
2258        &mut self,
2259        metadata: ThreadMetadata,
2260        folder_paths: PathList,
2261        project_group_key: &ProjectGroupKey,
2262        window: &mut Window,
2263        cx: &mut Context<Self>,
2264    ) {
2265        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2266            return;
2267        };
2268
2269        let pending_session_id = metadata.session_id.clone();
2270        let is_remote = project_group_key.host().is_some();
2271        if is_remote {
2272            self.pending_remote_thread_activation = Some(pending_session_id.clone());
2273        }
2274
2275        let host = project_group_key.host();
2276        let provisional_key = Some(project_group_key.clone());
2277        let active_workspace = multi_workspace.read(cx).workspace().clone();
2278
2279        let open_task = multi_workspace.update(cx, |this, cx| {
2280            this.find_or_create_workspace(
2281                folder_paths,
2282                host,
2283                provisional_key,
2284                |options, window, cx| connect_remote(active_workspace, options, window, cx),
2285                window,
2286                cx,
2287            )
2288        });
2289
2290        cx.spawn_in(window, async move |this, cx| {
2291            let result = open_task.await;
2292
2293            if result.is_err() || is_remote {
2294                this.update(cx, |this, _cx| {
2295                    if this.pending_remote_thread_activation.as_ref() == Some(&pending_session_id) {
2296                        this.pending_remote_thread_activation = None;
2297                    }
2298                })
2299                .ok();
2300            }
2301
2302            let workspace = result?;
2303            this.update_in(cx, |this, window, cx| {
2304                this.activate_thread(metadata, &workspace, false, window, cx);
2305            })?;
2306            anyhow::Ok(())
2307        })
2308        .detach_and_log_err(cx);
2309    }
2310
2311    fn find_current_workspace_for_path_list(
2312        &self,
2313        path_list: &PathList,
2314        cx: &App,
2315    ) -> Option<Entity<Workspace>> {
2316        self.find_workspace_in_current_window(cx, |workspace, cx| {
2317            workspace_path_list(workspace, cx).paths() == path_list.paths()
2318        })
2319    }
2320
2321    fn find_open_workspace_for_path_list(
2322        &self,
2323        path_list: &PathList,
2324        cx: &App,
2325    ) -> Option<(WindowHandle<MultiWorkspace>, Entity<Workspace>)> {
2326        self.find_workspace_across_windows(cx, |workspace, cx| {
2327            workspace_path_list(workspace, cx).paths() == path_list.paths()
2328        })
2329    }
2330
2331    fn activate_archived_thread(
2332        &mut self,
2333        metadata: ThreadMetadata,
2334        window: &mut Window,
2335        cx: &mut Context<Self>,
2336    ) {
2337        let session_id = metadata.session_id.clone();
2338
2339        ThreadMetadataStore::global(cx).update(cx, |store, cx| store.unarchive(&session_id, cx));
2340
2341        if metadata.folder_paths.paths().is_empty() {
2342            let active_workspace = self
2343                .multi_workspace
2344                .upgrade()
2345                .map(|w| w.read(cx).workspace().clone());
2346
2347            if let Some(workspace) = active_workspace {
2348                self.activate_thread_locally(&metadata, &workspace, false, window, cx);
2349            } else {
2350                let path_list = metadata.folder_paths.clone();
2351                if let Some((target_window, workspace)) =
2352                    self.find_open_workspace_for_path_list(&path_list, cx)
2353                {
2354                    self.activate_thread_in_other_window(metadata, workspace, target_window, cx);
2355                } else {
2356                    // Archived thread metadata doesn't carry the remote host,
2357                    // so we construct a local-only key as a best-effort fallback.
2358                    let key = ProjectGroupKey::new(None, path_list.clone());
2359                    self.open_workspace_and_activate_thread(metadata, path_list, &key, window, cx);
2360                }
2361            }
2362            return;
2363        }
2364
2365        let store = ThreadMetadataStore::global(cx);
2366        let task = store
2367            .read(cx)
2368            .get_archived_worktrees_for_thread(session_id.0.to_string(), cx);
2369        let path_list = metadata.folder_paths.clone();
2370
2371        cx.spawn_in(window, async move |this, cx| {
2372            let archived_worktrees = task.await?;
2373
2374            // No archived worktrees means the thread wasn't associated with a
2375            // linked worktree that got deleted, so we just need to find (or
2376            // open) a workspace that matches the thread's folder paths.
2377            if archived_worktrees.is_empty() {
2378                this.update_in(cx, |this, window, cx| {
2379                    if let Some(workspace) =
2380                        this.find_current_workspace_for_path_list(&path_list, cx)
2381                    {
2382                        this.activate_thread_locally(&metadata, &workspace, false, window, cx);
2383                    } else if let Some((target_window, workspace)) =
2384                        this.find_open_workspace_for_path_list(&path_list, cx)
2385                    {
2386                        this.activate_thread_in_other_window(
2387                            metadata,
2388                            workspace,
2389                            target_window,
2390                            cx,
2391                        );
2392                    } else {
2393                        let key = ProjectGroupKey::new(None, path_list.clone());
2394                        this.open_workspace_and_activate_thread(
2395                            metadata, path_list, &key, window, cx,
2396                        );
2397                    }
2398                })?;
2399                return anyhow::Ok(());
2400            }
2401
2402            // Restore each archived worktree back to disk via git. If the
2403            // worktree already exists (e.g. a previous unarchive of a different
2404            // thread on the same worktree already restored it), it's reused
2405            // as-is. We track (old_path, restored_path) pairs so we can update
2406            // the thread's folder_paths afterward.
2407            let mut path_replacements: Vec<(PathBuf, PathBuf)> = Vec::new();
2408            for row in &archived_worktrees {
2409                match thread_worktree_archive::restore_worktree_via_git(row, &mut *cx).await {
2410                    Ok(restored_path) => {
2411                        // The worktree is on disk now; clean up the DB record
2412                        // and git ref we created during archival.
2413                        thread_worktree_archive::cleanup_archived_worktree_record(row, &mut *cx)
2414                            .await;
2415                        path_replacements.push((row.worktree_path.clone(), restored_path));
2416                    }
2417                    Err(error) => {
2418                        log::error!("Failed to restore worktree: {error:#}");
2419                        this.update_in(cx, |this, _window, cx| {
2420                            if let Some(multi_workspace) = this.multi_workspace.upgrade() {
2421                                let workspace = multi_workspace.read(cx).workspace().clone();
2422                                workspace.update(cx, |workspace, cx| {
2423                                    struct RestoreWorktreeErrorToast;
2424                                    workspace.show_toast(
2425                                        Toast::new(
2426                                            NotificationId::unique::<RestoreWorktreeErrorToast>(),
2427                                            format!("Failed to restore worktree: {error:#}"),
2428                                        )
2429                                        .autohide(),
2430                                        cx,
2431                                    );
2432                                });
2433                            }
2434                        })
2435                        .ok();
2436                        return anyhow::Ok(());
2437                    }
2438                }
2439            }
2440
2441            if !path_replacements.is_empty() {
2442                // Update the thread's stored folder_paths: swap each old
2443                // worktree path for the restored path (which may differ if
2444                // the worktree was restored to a new location).
2445                cx.update(|_window, cx| {
2446                    store.update(cx, |store, cx| {
2447                        store.update_restored_worktree_paths(&session_id, &path_replacements, cx);
2448                    });
2449                })?;
2450
2451                // Re-read the metadata (now with updated paths) and open
2452                // the workspace so the user lands in the restored worktree.
2453                let updated_metadata =
2454                    cx.update(|_window, cx| store.read(cx).entry(&session_id).cloned())?;
2455
2456                if let Some(updated_metadata) = updated_metadata {
2457                    let new_paths = updated_metadata.folder_paths.clone();
2458                    this.update_in(cx, |this, window, cx| {
2459                        let key = ProjectGroupKey::new(None, new_paths.clone());
2460                        this.open_workspace_and_activate_thread(
2461                            updated_metadata,
2462                            new_paths,
2463                            &key,
2464                            window,
2465                            cx,
2466                        );
2467                    })?;
2468                }
2469            }
2470
2471            anyhow::Ok(())
2472        })
2473        .detach_and_log_err(cx);
2474    }
2475
2476    fn expand_selected_entry(
2477        &mut self,
2478        _: &SelectChild,
2479        _window: &mut Window,
2480        cx: &mut Context<Self>,
2481    ) {
2482        let Some(ix) = self.selection else { return };
2483
2484        match self.contents.entries.get(ix) {
2485            Some(ListEntry::ProjectHeader { key, .. }) => {
2486                if self.collapsed_groups.contains(key) {
2487                    self.collapsed_groups.remove(key);
2488                    self.update_entries(cx);
2489                } else if ix + 1 < self.contents.entries.len() {
2490                    self.selection = Some(ix + 1);
2491                    self.list_state.scroll_to_reveal_item(ix + 1);
2492                    cx.notify();
2493                }
2494            }
2495            _ => {}
2496        }
2497    }
2498
2499    fn collapse_selected_entry(
2500        &mut self,
2501        _: &SelectParent,
2502        _window: &mut Window,
2503        cx: &mut Context<Self>,
2504    ) {
2505        let Some(ix) = self.selection else { return };
2506
2507        match self.contents.entries.get(ix) {
2508            Some(ListEntry::ProjectHeader { key, .. }) => {
2509                if !self.collapsed_groups.contains(key) {
2510                    self.collapsed_groups.insert(key.clone());
2511                    self.update_entries(cx);
2512                }
2513            }
2514            Some(
2515                ListEntry::Thread(_) | ListEntry::ViewMore { .. } | ListEntry::DraftThread { .. },
2516            ) => {
2517                for i in (0..ix).rev() {
2518                    if let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(i)
2519                    {
2520                        self.selection = Some(i);
2521                        self.collapsed_groups.insert(key.clone());
2522                        self.update_entries(cx);
2523                        break;
2524                    }
2525                }
2526            }
2527            None => {}
2528        }
2529    }
2530
2531    fn toggle_selected_fold(
2532        &mut self,
2533        _: &editor::actions::ToggleFold,
2534        _window: &mut Window,
2535        cx: &mut Context<Self>,
2536    ) {
2537        let Some(ix) = self.selection else { return };
2538
2539        // Find the group header for the current selection.
2540        let header_ix = match self.contents.entries.get(ix) {
2541            Some(ListEntry::ProjectHeader { .. }) => Some(ix),
2542            Some(
2543                ListEntry::Thread(_) | ListEntry::ViewMore { .. } | ListEntry::DraftThread { .. },
2544            ) => (0..ix).rev().find(|&i| {
2545                matches!(
2546                    self.contents.entries.get(i),
2547                    Some(ListEntry::ProjectHeader { .. })
2548                )
2549            }),
2550            None => None,
2551        };
2552
2553        if let Some(header_ix) = header_ix {
2554            if let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(header_ix)
2555            {
2556                if self.collapsed_groups.contains(key) {
2557                    self.collapsed_groups.remove(key);
2558                } else {
2559                    self.selection = Some(header_ix);
2560                    self.collapsed_groups.insert(key.clone());
2561                }
2562                self.update_entries(cx);
2563            }
2564        }
2565    }
2566
2567    fn fold_all(
2568        &mut self,
2569        _: &editor::actions::FoldAll,
2570        _window: &mut Window,
2571        cx: &mut Context<Self>,
2572    ) {
2573        for entry in &self.contents.entries {
2574            if let ListEntry::ProjectHeader { key, .. } = entry {
2575                self.collapsed_groups.insert(key.clone());
2576            }
2577        }
2578        self.update_entries(cx);
2579    }
2580
2581    fn unfold_all(
2582        &mut self,
2583        _: &editor::actions::UnfoldAll,
2584        _window: &mut Window,
2585        cx: &mut Context<Self>,
2586    ) {
2587        self.collapsed_groups.clear();
2588        self.update_entries(cx);
2589    }
2590
2591    fn stop_thread(&mut self, session_id: &acp::SessionId, cx: &mut Context<Self>) {
2592        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2593            return;
2594        };
2595
2596        let workspaces: Vec<_> = multi_workspace.read(cx).workspaces().cloned().collect();
2597        for workspace in workspaces {
2598            if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2599                let cancelled =
2600                    agent_panel.update(cx, |panel, cx| panel.cancel_thread(session_id, cx));
2601                if cancelled {
2602                    return;
2603                }
2604            }
2605        }
2606    }
2607
2608    fn archive_thread(
2609        &mut self,
2610        session_id: &acp::SessionId,
2611        window: &mut Window,
2612        cx: &mut Context<Self>,
2613    ) {
2614        let metadata = ThreadMetadataStore::global(cx)
2615            .read(cx)
2616            .entry(session_id)
2617            .cloned();
2618        let thread_folder_paths = metadata.as_ref().map(|m| m.folder_paths.clone());
2619
2620        // Compute which linked worktree roots should be archived from disk if
2621        // this thread is archived. This must happen before we remove any
2622        // workspace from the MultiWorkspace, because `build_root_plan` needs
2623        // the currently open workspaces in order to find the affected projects
2624        // and repository handles for each linked worktree.
2625        let roots_to_archive = metadata
2626            .as_ref()
2627            .map(|metadata| {
2628                let mut workspaces = self
2629                    .multi_workspace
2630                    .upgrade()
2631                    .map(|multi_workspace| {
2632                        multi_workspace
2633                            .read(cx)
2634                            .workspaces()
2635                            .cloned()
2636                            .collect::<Vec<_>>()
2637                    })
2638                    .unwrap_or_default();
2639                for workspace in thread_worktree_archive::all_open_workspaces(cx) {
2640                    if !workspaces.contains(&workspace) {
2641                        workspaces.push(workspace);
2642                    }
2643                }
2644                metadata
2645                    .folder_paths
2646                    .ordered_paths()
2647                    .filter_map(|path| {
2648                        thread_worktree_archive::build_root_plan(path, &workspaces, cx)
2649                    })
2650                    .filter(|plan| {
2651                        !thread_worktree_archive::path_is_referenced_by_other_unarchived_threads(
2652                            session_id,
2653                            &plan.root_path,
2654                            cx,
2655                        )
2656                    })
2657                    .collect::<Vec<_>>()
2658            })
2659            .unwrap_or_default();
2660
2661        // Find the neighbor thread in the sidebar (by display position).
2662        // Look below first, then above, for the nearest thread that isn't
2663        // the one being archived. We capture both the neighbor's metadata
2664        // (for activation) and its workspace paths (for the workspace
2665        // removal fallback).
2666        let current_pos = self.contents.entries.iter().position(
2667            |entry| matches!(entry, ListEntry::Thread(t) if &t.metadata.session_id == session_id),
2668        );
2669        let neighbor = current_pos.and_then(|pos| {
2670            self.contents.entries[pos + 1..]
2671                .iter()
2672                .chain(self.contents.entries[..pos].iter().rev())
2673                .find_map(|entry| match entry {
2674                    ListEntry::Thread(t) if t.metadata.session_id != *session_id => {
2675                        let workspace_paths = match &t.workspace {
2676                            ThreadEntryWorkspace::Open(ws) => {
2677                                PathList::new(&ws.read(cx).root_paths(cx))
2678                            }
2679                            ThreadEntryWorkspace::Closed { folder_paths, .. } => {
2680                                folder_paths.clone()
2681                            }
2682                        };
2683                        Some((t.metadata.clone(), workspace_paths))
2684                    }
2685                    _ => None,
2686                })
2687        });
2688
2689        // Check if archiving this thread would leave its worktree workspace
2690        // with no threads, requiring workspace removal.
2691        let workspace_to_remove = thread_folder_paths.as_ref().and_then(|folder_paths| {
2692            if folder_paths.is_empty() {
2693                return None;
2694            }
2695
2696            let remaining = ThreadMetadataStore::global(cx)
2697                .read(cx)
2698                .entries_for_path(folder_paths)
2699                .filter(|t| t.session_id != *session_id)
2700                .count();
2701            if remaining > 0 {
2702                return None;
2703            }
2704
2705            let multi_workspace = self.multi_workspace.upgrade()?;
2706            // Thread metadata doesn't carry host info yet, so we pass
2707            // `None` here. This may match a local workspace with the same
2708            // paths instead of the intended remote one.
2709            let workspace = multi_workspace
2710                .read(cx)
2711                .workspace_for_paths(folder_paths, None, cx)?;
2712
2713            // Don't remove the main worktree workspace — the project
2714            // header always provides access to it.
2715            let group_key = workspace.read(cx).project_group_key(cx);
2716            (group_key.path_list() != folder_paths).then_some(workspace)
2717        });
2718
2719        if let Some(workspace_to_remove) = workspace_to_remove {
2720            let multi_workspace = self.multi_workspace.upgrade().unwrap();
2721            let session_id = session_id.clone();
2722
2723            // For the workspace-removal fallback, use the neighbor's workspace
2724            // paths if available, otherwise fall back to the project group key.
2725            let fallback_paths = neighbor
2726                .as_ref()
2727                .map(|(_, paths)| paths.clone())
2728                .unwrap_or_else(|| {
2729                    workspace_to_remove
2730                        .read(cx)
2731                        .project_group_key(cx)
2732                        .path_list()
2733                        .clone()
2734                });
2735
2736            let remove_task = multi_workspace.update(cx, |mw, cx| {
2737                mw.remove(
2738                    [workspace_to_remove],
2739                    move |this, window, cx| {
2740                        this.find_or_create_local_workspace(fallback_paths, window, cx)
2741                    },
2742                    window,
2743                    cx,
2744                )
2745            });
2746
2747            let neighbor_metadata = neighbor.map(|(metadata, _)| metadata);
2748            let thread_folder_paths = thread_folder_paths.clone();
2749            cx.spawn_in(window, async move |this, cx| {
2750                let removed = remove_task.await?;
2751                if removed {
2752                    this.update_in(cx, |this, window, cx| {
2753                        let in_flight =
2754                            this.start_archive_worktree_task(&session_id, roots_to_archive, cx);
2755                        this.archive_and_activate(
2756                            &session_id,
2757                            neighbor_metadata.as_ref(),
2758                            thread_folder_paths.as_ref(),
2759                            in_flight,
2760                            window,
2761                            cx,
2762                        );
2763                    })?;
2764                }
2765                anyhow::Ok(())
2766            })
2767            .detach_and_log_err(cx);
2768        } else {
2769            // Simple case: no workspace removal needed.
2770            let neighbor_metadata = neighbor.map(|(metadata, _)| metadata);
2771            let in_flight = self.start_archive_worktree_task(session_id, roots_to_archive, cx);
2772            self.archive_and_activate(
2773                session_id,
2774                neighbor_metadata.as_ref(),
2775                thread_folder_paths.as_ref(),
2776                in_flight,
2777                window,
2778                cx,
2779            );
2780        }
2781    }
2782
2783    /// Archive a thread and activate the nearest neighbor or a draft.
2784    ///
2785    /// IMPORTANT: when activating a neighbor or creating a fallback draft,
2786    /// this method also activates the target workspace in the MultiWorkspace.
2787    /// This is critical because `rebuild_contents` derives the active
2788    /// workspace from `mw.workspace()`. If the linked worktree workspace is
2789    /// still active after archiving its last thread, `rebuild_contents` sees
2790    /// the threadless linked worktree as active and emits a spurious
2791    /// "+ New Thread" entry with the worktree chip — keeping the worktree
2792    /// alive and preventing disk cleanup.
2793    ///
2794    /// When `in_flight_archive` is present, it is the background task that
2795    /// persists the linked worktree's git state and deletes it from disk.
2796    /// We attach it to the metadata store at the same time we mark the thread
2797    /// archived so failures can automatically unarchive the thread and user-
2798    /// initiated unarchive can cancel the task.
2799    fn archive_and_activate(
2800        &mut self,
2801        session_id: &acp::SessionId,
2802        neighbor: Option<&ThreadMetadata>,
2803        thread_folder_paths: Option<&PathList>,
2804        in_flight_archive: Option<(Task<()>, smol::channel::Sender<()>)>,
2805        window: &mut Window,
2806        cx: &mut Context<Self>,
2807    ) {
2808        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
2809            store.archive(session_id, in_flight_archive, cx);
2810        });
2811
2812        let is_active = self
2813            .active_entry
2814            .as_ref()
2815            .is_some_and(|e| e.is_active_thread(session_id));
2816
2817        if !is_active {
2818            // The user is looking at a different thread/draft. Clear the
2819            // archived thread from its workspace's panel so that switching
2820            // to that workspace later doesn't show a stale thread.
2821            if let Some(folder_paths) = thread_folder_paths {
2822                if let Some(workspace) = self
2823                    .multi_workspace
2824                    .upgrade()
2825                    .and_then(|mw| mw.read(cx).workspace_for_paths(folder_paths, None, cx))
2826                {
2827                    if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2828                        let panel_shows_archived = panel
2829                            .read(cx)
2830                            .active_conversation_view()
2831                            .and_then(|cv| cv.read(cx).parent_id(cx))
2832                            .is_some_and(|id| id == *session_id);
2833                        if panel_shows_archived {
2834                            panel.update(cx, |panel, cx| {
2835                                panel.clear_active_thread(window, cx);
2836                            });
2837                        }
2838                    }
2839                }
2840            }
2841            return;
2842        }
2843
2844        // Try to activate the neighbor thread. If its workspace is open,
2845        // tell the panel to load it and activate that workspace.
2846        // `rebuild_contents` will reconcile `active_entry` once the thread
2847        // finishes loading.
2848        if let Some(metadata) = neighbor {
2849            if let Some(workspace) = self.multi_workspace.upgrade().and_then(|mw| {
2850                mw.read(cx)
2851                    .workspace_for_paths(&metadata.folder_paths, None, cx)
2852            }) {
2853                self.activate_workspace(&workspace, window, cx);
2854                Self::load_agent_thread_in_workspace(&workspace, metadata, true, window, cx);
2855                return;
2856            }
2857        }
2858
2859        // No neighbor or its workspace isn't open — fall back to a new
2860        // draft. Use the group workspace (main project) rather than the
2861        // active entry workspace, which may be a linked worktree that is
2862        // about to be cleaned up.
2863        let fallback_workspace = thread_folder_paths
2864            .and_then(|folder_paths| {
2865                let mw = self.multi_workspace.upgrade()?;
2866                let mw = mw.read(cx);
2867                // Find the group's main workspace (whose root paths match
2868                // the project group key, not the thread's folder paths).
2869                let thread_workspace = mw.workspace_for_paths(folder_paths, None, cx)?;
2870                let group_key = thread_workspace.read(cx).project_group_key(cx);
2871                mw.workspace_for_paths(group_key.path_list(), None, cx)
2872            })
2873            .or_else(|| self.active_entry_workspace().cloned());
2874
2875        if let Some(workspace) = fallback_workspace {
2876            self.activate_workspace(&workspace, window, cx);
2877            if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2878                panel.update(cx, |panel, cx| {
2879                    panel.new_thread(&NewThread, window, cx);
2880                });
2881            }
2882        }
2883    }
2884
2885    fn start_archive_worktree_task(
2886        &self,
2887        session_id: &acp::SessionId,
2888        roots: Vec<thread_worktree_archive::RootPlan>,
2889        cx: &mut Context<Self>,
2890    ) -> Option<(Task<()>, smol::channel::Sender<()>)> {
2891        if roots.is_empty() {
2892            return None;
2893        }
2894
2895        let (cancel_tx, cancel_rx) = smol::channel::bounded::<()>(1);
2896        let session_id = session_id.clone();
2897        let task = cx.spawn(async move |_this, cx| {
2898            match Self::archive_worktree_roots(roots, cancel_rx, cx).await {
2899                Ok(ArchiveWorktreeOutcome::Success) => {
2900                    cx.update(|cx| {
2901                        ThreadMetadataStore::global(cx).update(cx, |store, _cx| {
2902                            store.cleanup_completed_archive(&session_id);
2903                        });
2904                    });
2905                }
2906                Ok(ArchiveWorktreeOutcome::Cancelled) => {}
2907                Err(error) => {
2908                    log::error!("Failed to archive worktree: {error:#}");
2909                    cx.update(|cx| {
2910                        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
2911                            store.unarchive(&session_id, cx);
2912                        });
2913                    });
2914                }
2915            }
2916        });
2917
2918        Some((task, cancel_tx))
2919    }
2920
2921    async fn archive_worktree_roots(
2922        roots: Vec<thread_worktree_archive::RootPlan>,
2923        cancel_rx: smol::channel::Receiver<()>,
2924        cx: &mut gpui::AsyncApp,
2925    ) -> anyhow::Result<ArchiveWorktreeOutcome> {
2926        let mut completed_persists: Vec<(i64, thread_worktree_archive::RootPlan)> = Vec::new();
2927
2928        for root in &roots {
2929            if cancel_rx.is_closed() {
2930                for &(id, ref completed_root) in completed_persists.iter().rev() {
2931                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
2932                }
2933                return Ok(ArchiveWorktreeOutcome::Cancelled);
2934            }
2935
2936            if root.worktree_repo.is_some() {
2937                match thread_worktree_archive::persist_worktree_state(root, cx).await {
2938                    Ok(id) => {
2939                        completed_persists.push((id, root.clone()));
2940                    }
2941                    Err(error) => {
2942                        for &(id, ref completed_root) in completed_persists.iter().rev() {
2943                            thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
2944                        }
2945                        return Err(error);
2946                    }
2947                }
2948            }
2949
2950            if cancel_rx.is_closed() {
2951                for &(id, ref completed_root) in completed_persists.iter().rev() {
2952                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
2953                }
2954                return Ok(ArchiveWorktreeOutcome::Cancelled);
2955            }
2956
2957            if let Err(error) = thread_worktree_archive::remove_root(root.clone(), cx).await {
2958                if let Some(&(id, ref completed_root)) = completed_persists.last() {
2959                    if completed_root.root_path == root.root_path {
2960                        thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
2961                        completed_persists.pop();
2962                    }
2963                }
2964                for &(id, ref completed_root) in completed_persists.iter().rev() {
2965                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
2966                }
2967                return Err(error);
2968            }
2969        }
2970
2971        Ok(ArchiveWorktreeOutcome::Success)
2972    }
2973
2974    fn activate_workspace(
2975        &self,
2976        workspace: &Entity<Workspace>,
2977        window: &mut Window,
2978        cx: &mut Context<Self>,
2979    ) {
2980        if let Some(multi_workspace) = self.multi_workspace.upgrade() {
2981            multi_workspace.update(cx, |mw, cx| {
2982                mw.activate(workspace.clone(), window, cx);
2983            });
2984        }
2985    }
2986
2987    fn remove_selected_thread(
2988        &mut self,
2989        _: &RemoveSelectedThread,
2990        window: &mut Window,
2991        cx: &mut Context<Self>,
2992    ) {
2993        let Some(ix) = self.selection else {
2994            return;
2995        };
2996        match self.contents.entries.get(ix) {
2997            Some(ListEntry::Thread(thread)) => {
2998                match thread.status {
2999                    AgentThreadStatus::Running | AgentThreadStatus::WaitingForConfirmation => {
3000                        return;
3001                    }
3002                    AgentThreadStatus::Completed | AgentThreadStatus::Error => {}
3003                }
3004                let session_id = thread.metadata.session_id.clone();
3005                self.archive_thread(&session_id, window, cx);
3006            }
3007            Some(ListEntry::DraftThread {
3008                workspace: Some(workspace),
3009                ..
3010            }) => {
3011                self.remove_worktree_workspace(workspace.clone(), window, cx);
3012            }
3013            _ => {}
3014        }
3015    }
3016
3017    fn remove_worktree_workspace(
3018        &mut self,
3019        workspace: Entity<Workspace>,
3020        window: &mut Window,
3021        cx: &mut Context<Self>,
3022    ) {
3023        if let Some(multi_workspace) = self.multi_workspace.upgrade() {
3024            multi_workspace
3025                .update(cx, |mw, cx| {
3026                    mw.remove(
3027                        [workspace],
3028                        |this, _window, _cx| gpui::Task::ready(Ok(this.workspace().clone())),
3029                        window,
3030                        cx,
3031                    )
3032                })
3033                .detach_and_log_err(cx);
3034        }
3035    }
3036
3037    fn record_thread_access(&mut self, session_id: &acp::SessionId) {
3038        self.thread_last_accessed
3039            .insert(session_id.clone(), Utc::now());
3040    }
3041
3042    fn record_thread_message_sent(&mut self, session_id: &acp::SessionId) {
3043        self.thread_last_message_sent_or_queued
3044            .insert(session_id.clone(), Utc::now());
3045    }
3046
3047    fn mru_threads_for_switcher(&self, cx: &App) -> Vec<ThreadSwitcherEntry> {
3048        let mut current_header_label: Option<SharedString> = None;
3049        let mut current_header_key: Option<ProjectGroupKey> = None;
3050        let mut entries: Vec<ThreadSwitcherEntry> = self
3051            .contents
3052            .entries
3053            .iter()
3054            .filter_map(|entry| match entry {
3055                ListEntry::ProjectHeader { label, key, .. } => {
3056                    current_header_label = Some(label.clone());
3057                    current_header_key = Some(key.clone());
3058                    None
3059                }
3060                ListEntry::Thread(thread) => {
3061                    let workspace = match &thread.workspace {
3062                        ThreadEntryWorkspace::Open(workspace) => Some(workspace.clone()),
3063                        ThreadEntryWorkspace::Closed { .. } => {
3064                            current_header_key.as_ref().and_then(|key| {
3065                                self.multi_workspace.upgrade().and_then(|mw| {
3066                                    mw.read(cx).workspace_for_paths(
3067                                        key.path_list(),
3068                                        key.host().as_ref(),
3069                                        cx,
3070                                    )
3071                                })
3072                            })
3073                        }
3074                    }?;
3075                    let notified = self
3076                        .contents
3077                        .is_thread_notified(&thread.metadata.session_id);
3078                    let timestamp: SharedString = format_history_entry_timestamp(
3079                        self.thread_last_message_sent_or_queued
3080                            .get(&thread.metadata.session_id)
3081                            .copied()
3082                            .or(thread.metadata.created_at)
3083                            .unwrap_or(thread.metadata.updated_at),
3084                    )
3085                    .into();
3086                    Some(ThreadSwitcherEntry {
3087                        session_id: thread.metadata.session_id.clone(),
3088                        title: thread.metadata.title.clone(),
3089                        icon: thread.icon,
3090                        icon_from_external_svg: thread.icon_from_external_svg.clone(),
3091                        status: thread.status,
3092                        metadata: thread.metadata.clone(),
3093                        workspace,
3094                        project_name: current_header_label.clone(),
3095                        worktrees: thread
3096                            .worktrees
3097                            .iter()
3098                            .map(|wt| ThreadItemWorktreeInfo {
3099                                name: wt.name.clone(),
3100                                full_path: wt.full_path.clone(),
3101                                highlight_positions: Vec::new(),
3102                                kind: wt.kind,
3103                            })
3104                            .collect(),
3105                        diff_stats: thread.diff_stats,
3106                        is_title_generating: thread.is_title_generating,
3107                        notified,
3108                        timestamp,
3109                    })
3110                }
3111                _ => None,
3112            })
3113            .collect();
3114
3115        entries.sort_by(|a, b| {
3116            let a_accessed = self.thread_last_accessed.get(&a.session_id);
3117            let b_accessed = self.thread_last_accessed.get(&b.session_id);
3118
3119            match (a_accessed, b_accessed) {
3120                (Some(a_time), Some(b_time)) => b_time.cmp(a_time),
3121                (Some(_), None) => std::cmp::Ordering::Less,
3122                (None, Some(_)) => std::cmp::Ordering::Greater,
3123                (None, None) => {
3124                    let a_sent = self.thread_last_message_sent_or_queued.get(&a.session_id);
3125                    let b_sent = self.thread_last_message_sent_or_queued.get(&b.session_id);
3126
3127                    match (a_sent, b_sent) {
3128                        (Some(a_time), Some(b_time)) => b_time.cmp(a_time),
3129                        (Some(_), None) => std::cmp::Ordering::Less,
3130                        (None, Some(_)) => std::cmp::Ordering::Greater,
3131                        (None, None) => {
3132                            let a_time = a.metadata.created_at.or(Some(a.metadata.updated_at));
3133                            let b_time = b.metadata.created_at.or(Some(b.metadata.updated_at));
3134                            b_time.cmp(&a_time)
3135                        }
3136                    }
3137                }
3138            }
3139        });
3140
3141        entries
3142    }
3143
3144    fn dismiss_thread_switcher(&mut self, cx: &mut Context<Self>) {
3145        self.thread_switcher = None;
3146        self._thread_switcher_subscriptions.clear();
3147        if let Some(mw) = self.multi_workspace.upgrade() {
3148            mw.update(cx, |mw, cx| {
3149                mw.set_sidebar_overlay(None, cx);
3150            });
3151        }
3152    }
3153
3154    fn on_toggle_thread_switcher(
3155        &mut self,
3156        action: &ToggleThreadSwitcher,
3157        window: &mut Window,
3158        cx: &mut Context<Self>,
3159    ) {
3160        self.toggle_thread_switcher_impl(action.select_last, window, cx);
3161    }
3162
3163    fn toggle_thread_switcher_impl(
3164        &mut self,
3165        select_last: bool,
3166        window: &mut Window,
3167        cx: &mut Context<Self>,
3168    ) {
3169        if let Some(thread_switcher) = &self.thread_switcher {
3170            thread_switcher.update(cx, |switcher, cx| {
3171                if select_last {
3172                    switcher.select_last(cx);
3173                } else {
3174                    switcher.cycle_selection(cx);
3175                }
3176            });
3177            return;
3178        }
3179
3180        let entries = self.mru_threads_for_switcher(cx);
3181        if entries.len() < 2 {
3182            return;
3183        }
3184
3185        let weak_multi_workspace = self.multi_workspace.clone();
3186
3187        let original_metadata = match &self.active_entry {
3188            Some(ActiveEntry::Thread { session_id, .. }) => entries
3189                .iter()
3190                .find(|e| &e.session_id == session_id)
3191                .map(|e| e.metadata.clone()),
3192            _ => None,
3193        };
3194        let original_workspace = self
3195            .multi_workspace
3196            .upgrade()
3197            .map(|mw| mw.read(cx).workspace().clone());
3198
3199        let thread_switcher = cx.new(|cx| ThreadSwitcher::new(entries, select_last, window, cx));
3200
3201        let mut subscriptions = Vec::new();
3202
3203        subscriptions.push(cx.subscribe_in(&thread_switcher, window, {
3204            let thread_switcher = thread_switcher.clone();
3205            move |this, _emitter, event: &ThreadSwitcherEvent, window, cx| match event {
3206                ThreadSwitcherEvent::Preview {
3207                    metadata,
3208                    workspace,
3209                } => {
3210                    if let Some(mw) = weak_multi_workspace.upgrade() {
3211                        mw.update(cx, |mw, cx| {
3212                            mw.activate(workspace.clone(), window, cx);
3213                        });
3214                    }
3215                    this.active_entry = Some(ActiveEntry::Thread {
3216                        session_id: metadata.session_id.clone(),
3217                        workspace: workspace.clone(),
3218                    });
3219                    this.update_entries(cx);
3220                    Self::load_agent_thread_in_workspace(workspace, metadata, false, window, cx);
3221                    let focus = thread_switcher.focus_handle(cx);
3222                    window.focus(&focus, cx);
3223                }
3224                ThreadSwitcherEvent::Confirmed {
3225                    metadata,
3226                    workspace,
3227                } => {
3228                    if let Some(mw) = weak_multi_workspace.upgrade() {
3229                        mw.update(cx, |mw, cx| {
3230                            mw.activate(workspace.clone(), window, cx);
3231                            mw.retain_active_workspace(cx);
3232                        });
3233                    }
3234                    this.record_thread_access(&metadata.session_id);
3235                    this.active_entry = Some(ActiveEntry::Thread {
3236                        session_id: metadata.session_id.clone(),
3237                        workspace: workspace.clone(),
3238                    });
3239                    this.update_entries(cx);
3240                    Self::load_agent_thread_in_workspace(workspace, metadata, false, window, cx);
3241                    this.dismiss_thread_switcher(cx);
3242                    workspace.update(cx, |workspace, cx| {
3243                        workspace.focus_panel::<AgentPanel>(window, cx);
3244                    });
3245                }
3246                ThreadSwitcherEvent::Dismissed => {
3247                    if let Some(mw) = weak_multi_workspace.upgrade() {
3248                        if let Some(original_ws) = &original_workspace {
3249                            mw.update(cx, |mw, cx| {
3250                                mw.activate(original_ws.clone(), window, cx);
3251                            });
3252                        }
3253                    }
3254                    if let Some(metadata) = &original_metadata {
3255                        if let Some(original_ws) = &original_workspace {
3256                            this.active_entry = Some(ActiveEntry::Thread {
3257                                session_id: metadata.session_id.clone(),
3258                                workspace: original_ws.clone(),
3259                            });
3260                        }
3261                        this.update_entries(cx);
3262                        if let Some(original_ws) = &original_workspace {
3263                            Self::load_agent_thread_in_workspace(
3264                                original_ws,
3265                                metadata,
3266                                false,
3267                                window,
3268                                cx,
3269                            );
3270                        }
3271                    }
3272                    this.dismiss_thread_switcher(cx);
3273                }
3274            }
3275        }));
3276
3277        subscriptions.push(cx.subscribe_in(
3278            &thread_switcher,
3279            window,
3280            |this, _emitter, _event: &gpui::DismissEvent, _window, cx| {
3281                this.dismiss_thread_switcher(cx);
3282            },
3283        ));
3284
3285        let focus = thread_switcher.focus_handle(cx);
3286        let overlay_view = gpui::AnyView::from(thread_switcher.clone());
3287
3288        // Replay the initial preview that was emitted during construction
3289        // before subscriptions were wired up.
3290        let initial_preview = thread_switcher
3291            .read(cx)
3292            .selected_entry()
3293            .map(|entry| (entry.metadata.clone(), entry.workspace.clone()));
3294
3295        self.thread_switcher = Some(thread_switcher);
3296        self._thread_switcher_subscriptions = subscriptions;
3297        if let Some(mw) = self.multi_workspace.upgrade() {
3298            mw.update(cx, |mw, cx| {
3299                mw.set_sidebar_overlay(Some(overlay_view), cx);
3300            });
3301        }
3302
3303        if let Some((metadata, workspace)) = initial_preview {
3304            if let Some(mw) = self.multi_workspace.upgrade() {
3305                mw.update(cx, |mw, cx| {
3306                    mw.activate(workspace.clone(), window, cx);
3307                });
3308            }
3309            self.active_entry = Some(ActiveEntry::Thread {
3310                session_id: metadata.session_id.clone(),
3311                workspace: workspace.clone(),
3312            });
3313            self.update_entries(cx);
3314            Self::load_agent_thread_in_workspace(&workspace, &metadata, false, window, cx);
3315        }
3316
3317        window.focus(&focus, cx);
3318    }
3319
3320    fn render_thread(
3321        &self,
3322        ix: usize,
3323        thread: &ThreadEntry,
3324        is_active: bool,
3325        is_focused: bool,
3326        cx: &mut Context<Self>,
3327    ) -> AnyElement {
3328        let has_notification = self
3329            .contents
3330            .is_thread_notified(&thread.metadata.session_id);
3331
3332        let title: SharedString = thread.metadata.title.clone();
3333        let metadata = thread.metadata.clone();
3334        let thread_workspace = thread.workspace.clone();
3335
3336        let is_hovered = self.hovered_thread_index == Some(ix);
3337        let is_selected = is_active;
3338        let is_running = matches!(
3339            thread.status,
3340            AgentThreadStatus::Running | AgentThreadStatus::WaitingForConfirmation
3341        );
3342
3343        let session_id_for_delete = thread.metadata.session_id.clone();
3344        let focus_handle = self.focus_handle.clone();
3345
3346        let id = SharedString::from(format!("thread-entry-{}", ix));
3347
3348        let color = cx.theme().colors();
3349        let sidebar_bg = color
3350            .title_bar_background
3351            .blend(color.panel_background.opacity(0.25));
3352
3353        let timestamp = format_history_entry_timestamp(
3354            self.thread_last_message_sent_or_queued
3355                .get(&thread.metadata.session_id)
3356                .copied()
3357                .or(thread.metadata.created_at)
3358                .unwrap_or(thread.metadata.updated_at),
3359        );
3360
3361        let is_remote = thread.workspace.is_remote(cx);
3362
3363        ThreadItem::new(id, title)
3364            .base_bg(sidebar_bg)
3365            .icon(thread.icon)
3366            .status(thread.status)
3367            .is_remote(is_remote)
3368            .when_some(thread.icon_from_external_svg.clone(), |this, svg| {
3369                this.custom_icon_from_external_svg(svg)
3370            })
3371            .worktrees(
3372                thread
3373                    .worktrees
3374                    .iter()
3375                    .map(|wt| ThreadItemWorktreeInfo {
3376                        name: wt.name.clone(),
3377                        full_path: wt.full_path.clone(),
3378                        highlight_positions: wt.highlight_positions.clone(),
3379                        kind: wt.kind,
3380                    })
3381                    .collect(),
3382            )
3383            .timestamp(timestamp)
3384            .highlight_positions(thread.highlight_positions.to_vec())
3385            .title_generating(thread.is_title_generating)
3386            .notified(has_notification)
3387            .when(thread.diff_stats.lines_added > 0, |this| {
3388                this.added(thread.diff_stats.lines_added as usize)
3389            })
3390            .when(thread.diff_stats.lines_removed > 0, |this| {
3391                this.removed(thread.diff_stats.lines_removed as usize)
3392            })
3393            .selected(is_selected)
3394            .focused(is_focused)
3395            .hovered(is_hovered)
3396            .on_hover(cx.listener(move |this, is_hovered: &bool, _window, cx| {
3397                if *is_hovered {
3398                    this.hovered_thread_index = Some(ix);
3399                } else if this.hovered_thread_index == Some(ix) {
3400                    this.hovered_thread_index = None;
3401                }
3402                cx.notify();
3403            }))
3404            .when(is_hovered && is_running, |this| {
3405                this.action_slot(
3406                    IconButton::new("stop-thread", IconName::Stop)
3407                        .icon_size(IconSize::Small)
3408                        .icon_color(Color::Error)
3409                        .style(ButtonStyle::Tinted(TintColor::Error))
3410                        .tooltip(Tooltip::text("Stop Generation"))
3411                        .on_click({
3412                            let session_id = session_id_for_delete.clone();
3413                            cx.listener(move |this, _, _window, cx| {
3414                                this.stop_thread(&session_id, cx);
3415                            })
3416                        }),
3417                )
3418            })
3419            .when(is_hovered && !is_running, |this| {
3420                this.action_slot(
3421                    IconButton::new("archive-thread", IconName::Archive)
3422                        .icon_size(IconSize::Small)
3423                        .icon_color(Color::Muted)
3424                        .tooltip({
3425                            let focus_handle = focus_handle.clone();
3426                            move |_window, cx| {
3427                                Tooltip::for_action_in(
3428                                    "Archive Thread",
3429                                    &RemoveSelectedThread,
3430                                    &focus_handle,
3431                                    cx,
3432                                )
3433                            }
3434                        })
3435                        .on_click({
3436                            let session_id = session_id_for_delete.clone();
3437                            cx.listener(move |this, _, window, cx| {
3438                                this.archive_thread(&session_id, window, cx);
3439                            })
3440                        }),
3441                )
3442            })
3443            .on_click({
3444                cx.listener(move |this, _, window, cx| {
3445                    this.selection = None;
3446                    match &thread_workspace {
3447                        ThreadEntryWorkspace::Open(workspace) => {
3448                            this.activate_thread(metadata.clone(), workspace, false, window, cx);
3449                        }
3450                        ThreadEntryWorkspace::Closed {
3451                            folder_paths,
3452                            project_group_key,
3453                        } => {
3454                            this.open_workspace_and_activate_thread(
3455                                metadata.clone(),
3456                                folder_paths.clone(),
3457                                project_group_key,
3458                                window,
3459                                cx,
3460                            );
3461                        }
3462                    }
3463                })
3464            })
3465            .into_any_element()
3466    }
3467
3468    fn render_filter_input(&self, cx: &mut Context<Self>) -> impl IntoElement {
3469        div()
3470            .min_w_0()
3471            .flex_1()
3472            .capture_action(
3473                cx.listener(|this, _: &editor::actions::Newline, window, cx| {
3474                    this.editor_confirm(window, cx);
3475                }),
3476            )
3477            .child(self.filter_editor.clone())
3478    }
3479
3480    fn render_recent_projects_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3481        let multi_workspace = self.multi_workspace.upgrade();
3482
3483        let workspace = multi_workspace
3484            .as_ref()
3485            .map(|mw| mw.read(cx).workspace().downgrade());
3486
3487        let focus_handle = workspace
3488            .as_ref()
3489            .and_then(|ws| ws.upgrade())
3490            .map(|w| w.read(cx).focus_handle(cx))
3491            .unwrap_or_else(|| cx.focus_handle());
3492
3493        let window_project_groups: Vec<ProjectGroupKey> = multi_workspace
3494            .as_ref()
3495            .map(|mw| mw.read(cx).project_group_keys().cloned().collect())
3496            .unwrap_or_default();
3497
3498        let popover_handle = self.recent_projects_popover_handle.clone();
3499
3500        PopoverMenu::new("sidebar-recent-projects-menu")
3501            .with_handle(popover_handle)
3502            .menu(move |window, cx| {
3503                workspace.as_ref().map(|ws| {
3504                    SidebarRecentProjects::popover(
3505                        ws.clone(),
3506                        window_project_groups.clone(),
3507                        focus_handle.clone(),
3508                        window,
3509                        cx,
3510                    )
3511                })
3512            })
3513            .trigger_with_tooltip(
3514                IconButton::new("open-project", IconName::OpenFolder)
3515                    .icon_size(IconSize::Small)
3516                    .selected_style(ButtonStyle::Tinted(TintColor::Accent)),
3517                |_window, cx| {
3518                    Tooltip::for_action(
3519                        "Add Project",
3520                        &OpenRecent {
3521                            create_new_window: false,
3522                        },
3523                        cx,
3524                    )
3525                },
3526            )
3527            .offset(gpui::Point {
3528                x: px(-2.0),
3529                y: px(-2.0),
3530            })
3531            .anchor(gpui::Corner::BottomRight)
3532    }
3533
3534    fn render_view_more(
3535        &self,
3536        ix: usize,
3537        key: &ProjectGroupKey,
3538        is_fully_expanded: bool,
3539        is_selected: bool,
3540        cx: &mut Context<Self>,
3541    ) -> AnyElement {
3542        let key = key.clone();
3543        let id = SharedString::from(format!("view-more-{}", ix));
3544
3545        let label: SharedString = if is_fully_expanded {
3546            "Collapse".into()
3547        } else {
3548            "View More".into()
3549        };
3550
3551        ThreadItem::new(id, label)
3552            .focused(is_selected)
3553            .icon_visible(false)
3554            .title_label_color(Color::Muted)
3555            .on_click(cx.listener(move |this, _, _window, cx| {
3556                this.selection = None;
3557                if is_fully_expanded {
3558                    this.reset_thread_group_expansion(&key, cx);
3559                } else {
3560                    this.expand_thread_group(&key, cx);
3561                }
3562            }))
3563            .into_any_element()
3564    }
3565
3566    fn new_thread_in_group(
3567        &mut self,
3568        _: &NewThreadInGroup,
3569        window: &mut Window,
3570        cx: &mut Context<Self>,
3571    ) {
3572        // If there is a keyboard selection, walk backwards through
3573        // `project_header_indices` to find the header that owns the selected
3574        // row. Otherwise fall back to the active workspace.
3575        let workspace = if let Some(selected_ix) = self.selection {
3576            self.contents
3577                .project_header_indices
3578                .iter()
3579                .rev()
3580                .find(|&&header_ix| header_ix <= selected_ix)
3581                .and_then(|&header_ix| match &self.contents.entries[header_ix] {
3582                    ListEntry::ProjectHeader { key, .. } => {
3583                        self.multi_workspace.upgrade().and_then(|mw| {
3584                            mw.read(cx).workspace_for_paths(
3585                                key.path_list(),
3586                                key.host().as_ref(),
3587                                cx,
3588                            )
3589                        })
3590                    }
3591                    _ => None,
3592                })
3593        } else {
3594            // Use the currently active workspace.
3595            self.multi_workspace
3596                .upgrade()
3597                .map(|mw| mw.read(cx).workspace().clone())
3598        };
3599
3600        let Some(workspace) = workspace else {
3601            return;
3602        };
3603
3604        self.create_new_thread(&workspace, window, cx);
3605    }
3606
3607    fn create_new_thread(
3608        &mut self,
3609        workspace: &Entity<Workspace>,
3610        window: &mut Window,
3611        cx: &mut Context<Self>,
3612    ) {
3613        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
3614            return;
3615        };
3616
3617        self.active_entry = Some(ActiveEntry::Draft(workspace.clone()));
3618
3619        multi_workspace.update(cx, |multi_workspace, cx| {
3620            multi_workspace.activate(workspace.clone(), window, cx);
3621        });
3622
3623        workspace.update(cx, |workspace, cx| {
3624            if let Some(agent_panel) = workspace.panel::<AgentPanel>(cx) {
3625                agent_panel.update(cx, |panel, cx| {
3626                    panel.new_thread(&NewThread, window, cx);
3627                });
3628            }
3629            workspace.focus_panel::<AgentPanel>(window, cx);
3630        });
3631    }
3632
3633    fn active_project_group_key(&self, cx: &App) -> Option<ProjectGroupKey> {
3634        let multi_workspace = self.multi_workspace.upgrade()?;
3635        let multi_workspace = multi_workspace.read(cx);
3636        Some(multi_workspace.project_group_key_for_workspace(multi_workspace.workspace(), cx))
3637    }
3638
3639    fn active_project_header_position(&self, cx: &App) -> Option<usize> {
3640        let active_key = self.active_project_group_key(cx)?;
3641        self.contents
3642            .project_header_indices
3643            .iter()
3644            .position(|&entry_ix| {
3645                matches!(
3646                    &self.contents.entries[entry_ix],
3647                    ListEntry::ProjectHeader { key, .. } if *key == active_key
3648                )
3649            })
3650    }
3651
3652    fn cycle_project_impl(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
3653        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
3654            return;
3655        };
3656
3657        let header_count = self.contents.project_header_indices.len();
3658        if header_count == 0 {
3659            return;
3660        }
3661
3662        let current_pos = self.active_project_header_position(cx);
3663
3664        let next_pos = match current_pos {
3665            Some(pos) => {
3666                if forward {
3667                    (pos + 1) % header_count
3668                } else {
3669                    (pos + header_count - 1) % header_count
3670                }
3671            }
3672            None => 0,
3673        };
3674
3675        let header_entry_ix = self.contents.project_header_indices[next_pos];
3676        let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(header_entry_ix)
3677        else {
3678            return;
3679        };
3680        let key = key.clone();
3681
3682        // Uncollapse the target group so that threads become visible.
3683        self.collapsed_groups.remove(&key);
3684
3685        if let Some(workspace) = self.multi_workspace.upgrade().and_then(|mw| {
3686            mw.read(cx)
3687                .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
3688        }) {
3689            multi_workspace.update(cx, |multi_workspace, cx| {
3690                multi_workspace.activate(workspace, window, cx);
3691                multi_workspace.retain_active_workspace(cx);
3692            });
3693        } else {
3694            self.open_workspace_for_group(&key, window, cx);
3695        }
3696    }
3697
3698    fn on_next_project(&mut self, _: &NextProject, window: &mut Window, cx: &mut Context<Self>) {
3699        self.cycle_project_impl(true, window, cx);
3700    }
3701
3702    fn on_previous_project(
3703        &mut self,
3704        _: &PreviousProject,
3705        window: &mut Window,
3706        cx: &mut Context<Self>,
3707    ) {
3708        self.cycle_project_impl(false, window, cx);
3709    }
3710
3711    fn cycle_thread_impl(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
3712        let thread_indices: Vec<usize> = self
3713            .contents
3714            .entries
3715            .iter()
3716            .enumerate()
3717            .filter_map(|(ix, entry)| match entry {
3718                ListEntry::Thread(_) => Some(ix),
3719                _ => None,
3720            })
3721            .collect();
3722
3723        if thread_indices.is_empty() {
3724            return;
3725        }
3726
3727        let current_thread_pos = self.active_entry.as_ref().and_then(|active| {
3728            thread_indices
3729                .iter()
3730                .position(|&ix| active.matches_entry(&self.contents.entries[ix]))
3731        });
3732
3733        let next_pos = match current_thread_pos {
3734            Some(pos) => {
3735                let count = thread_indices.len();
3736                if forward {
3737                    (pos + 1) % count
3738                } else {
3739                    (pos + count - 1) % count
3740                }
3741            }
3742            None => 0,
3743        };
3744
3745        let entry_ix = thread_indices[next_pos];
3746        let ListEntry::Thread(thread) = &self.contents.entries[entry_ix] else {
3747            return;
3748        };
3749
3750        let metadata = thread.metadata.clone();
3751        match &thread.workspace {
3752            ThreadEntryWorkspace::Open(workspace) => {
3753                let workspace = workspace.clone();
3754                self.activate_thread(metadata, &workspace, true, window, cx);
3755            }
3756            ThreadEntryWorkspace::Closed {
3757                folder_paths,
3758                project_group_key,
3759            } => {
3760                let folder_paths = folder_paths.clone();
3761                let project_group_key = project_group_key.clone();
3762                self.open_workspace_and_activate_thread(
3763                    metadata,
3764                    folder_paths,
3765                    &project_group_key,
3766                    window,
3767                    cx,
3768                );
3769            }
3770        }
3771    }
3772
3773    fn on_next_thread(&mut self, _: &NextThread, window: &mut Window, cx: &mut Context<Self>) {
3774        self.cycle_thread_impl(true, window, cx);
3775    }
3776
3777    fn on_previous_thread(
3778        &mut self,
3779        _: &PreviousThread,
3780        window: &mut Window,
3781        cx: &mut Context<Self>,
3782    ) {
3783        self.cycle_thread_impl(false, window, cx);
3784    }
3785
3786    fn expand_thread_group(&mut self, project_group_key: &ProjectGroupKey, cx: &mut Context<Self>) {
3787        let current = self
3788            .expanded_groups
3789            .get(project_group_key)
3790            .copied()
3791            .unwrap_or(0);
3792        self.expanded_groups
3793            .insert(project_group_key.clone(), current + 1);
3794        self.serialize(cx);
3795        self.update_entries(cx);
3796    }
3797
3798    fn reset_thread_group_expansion(
3799        &mut self,
3800        project_group_key: &ProjectGroupKey,
3801        cx: &mut Context<Self>,
3802    ) {
3803        self.expanded_groups.remove(project_group_key);
3804        self.serialize(cx);
3805        self.update_entries(cx);
3806    }
3807
3808    fn collapse_thread_group(
3809        &mut self,
3810        project_group_key: &ProjectGroupKey,
3811        cx: &mut Context<Self>,
3812    ) {
3813        match self.expanded_groups.get(project_group_key).copied() {
3814            Some(batches) if batches > 1 => {
3815                self.expanded_groups
3816                    .insert(project_group_key.clone(), batches - 1);
3817            }
3818            Some(_) => {
3819                self.expanded_groups.remove(project_group_key);
3820            }
3821            None => return,
3822        }
3823        self.serialize(cx);
3824        self.update_entries(cx);
3825    }
3826
3827    fn on_show_more_threads(
3828        &mut self,
3829        _: &ShowMoreThreads,
3830        _window: &mut Window,
3831        cx: &mut Context<Self>,
3832    ) {
3833        let Some(active_key) = self.active_project_group_key(cx) else {
3834            return;
3835        };
3836        self.expand_thread_group(&active_key, cx);
3837    }
3838
3839    fn on_show_fewer_threads(
3840        &mut self,
3841        _: &ShowFewerThreads,
3842        _window: &mut Window,
3843        cx: &mut Context<Self>,
3844    ) {
3845        let Some(active_key) = self.active_project_group_key(cx) else {
3846            return;
3847        };
3848        self.collapse_thread_group(&active_key, cx);
3849    }
3850
3851    fn on_new_thread(
3852        &mut self,
3853        _: &workspace::NewThread,
3854        window: &mut Window,
3855        cx: &mut Context<Self>,
3856    ) {
3857        let Some(workspace) = self.active_workspace(cx) else {
3858            return;
3859        };
3860        self.create_new_thread(&workspace, window, cx);
3861    }
3862
3863    fn render_draft_thread(
3864        &self,
3865        ix: usize,
3866        is_active: bool,
3867        worktrees: &[WorktreeInfo],
3868        is_selected: bool,
3869        cx: &mut Context<Self>,
3870    ) -> AnyElement {
3871        let label: SharedString = if is_active {
3872            self.active_draft_text(cx)
3873                .unwrap_or_else(|| "New Thread".into())
3874        } else {
3875            "New Thread".into()
3876        };
3877
3878        let id = SharedString::from(format!("draft-thread-btn-{}", ix));
3879
3880        let thread_item = ThreadItem::new(id, label)
3881            .icon(IconName::Plus)
3882            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.8)))
3883            .worktrees(
3884                worktrees
3885                    .iter()
3886                    .map(|wt| ThreadItemWorktreeInfo {
3887                        name: wt.name.clone(),
3888                        full_path: wt.full_path.clone(),
3889                        highlight_positions: wt.highlight_positions.clone(),
3890                        kind: wt.kind,
3891                    })
3892                    .collect(),
3893            )
3894            .selected(true)
3895            .focused(is_selected)
3896            .on_click(cx.listener(|this, _, window, cx| {
3897                if let Some(workspace) = this.active_workspace(cx) {
3898                    if !AgentPanel::is_visible(&workspace, cx) {
3899                        workspace.update(cx, |workspace, cx| {
3900                            workspace.focus_panel::<AgentPanel>(window, cx);
3901                        });
3902                    }
3903                }
3904            }));
3905
3906        div()
3907            .on_mouse_down(gpui::MouseButton::Left, |_, _, cx| {
3908                cx.stop_propagation();
3909            })
3910            .child(thread_item)
3911            .into_any_element()
3912    }
3913
3914    fn render_new_thread(
3915        &self,
3916        ix: usize,
3917        key: &ProjectGroupKey,
3918        worktrees: &[WorktreeInfo],
3919        workspace: Option<&Entity<Workspace>>,
3920        is_selected: bool,
3921        cx: &mut Context<Self>,
3922    ) -> AnyElement {
3923        let label: SharedString = DEFAULT_THREAD_TITLE.into();
3924        let key = key.clone();
3925
3926        let id = SharedString::from(format!("new-thread-btn-{}", ix));
3927
3928        let mut thread_item = ThreadItem::new(id, label)
3929            .icon(IconName::Plus)
3930            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.8)))
3931            .worktrees(
3932                worktrees
3933                    .iter()
3934                    .map(|wt| ThreadItemWorktreeInfo {
3935                        name: wt.name.clone(),
3936                        full_path: wt.full_path.clone(),
3937                        highlight_positions: wt.highlight_positions.clone(),
3938                        kind: wt.kind,
3939                    })
3940                    .collect(),
3941            )
3942            .selected(false)
3943            .focused(is_selected)
3944            .on_click(cx.listener(move |this, _, window, cx| {
3945                this.selection = None;
3946                if let Some(workspace) = this.multi_workspace.upgrade().and_then(|mw| {
3947                    mw.read(cx)
3948                        .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
3949                }) {
3950                    this.create_new_thread(&workspace, window, cx);
3951                } else {
3952                    this.open_workspace_for_group(&key, window, cx);
3953                }
3954            }));
3955
3956        // Linked worktree DraftThread entries can be dismissed, which removes
3957        // the workspace from the multi-workspace.
3958        if let Some(workspace) = workspace.cloned() {
3959            thread_item = thread_item.action_slot(
3960                IconButton::new("close-worktree-workspace", IconName::Close)
3961                    .icon_size(IconSize::Small)
3962                    .icon_color(Color::Muted)
3963                    .tooltip(Tooltip::text("Close Workspace"))
3964                    .on_click(cx.listener(move |this, _, window, cx| {
3965                        this.remove_worktree_workspace(workspace.clone(), window, cx);
3966                    })),
3967            );
3968        }
3969
3970        thread_item.into_any_element()
3971    }
3972
3973    fn render_no_results(&self, cx: &mut Context<Self>) -> impl IntoElement {
3974        let has_query = self.has_filter_query(cx);
3975        let message = if has_query {
3976            "No threads match your search."
3977        } else {
3978            "No threads yet"
3979        };
3980
3981        v_flex()
3982            .id("sidebar-no-results")
3983            .p_4()
3984            .size_full()
3985            .items_center()
3986            .justify_center()
3987            .child(
3988                Label::new(message)
3989                    .size(LabelSize::Small)
3990                    .color(Color::Muted),
3991            )
3992    }
3993
3994    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
3995        v_flex()
3996            .id("sidebar-empty-state")
3997            .p_4()
3998            .size_full()
3999            .items_center()
4000            .justify_center()
4001            .gap_1()
4002            .track_focus(&self.focus_handle(cx))
4003            .child(
4004                Button::new("open_project", "Open Project")
4005                    .full_width()
4006                    .key_binding(KeyBinding::for_action(&workspace::Open::default(), cx))
4007                    .on_click(|_, window, cx| {
4008                        window.dispatch_action(
4009                            Open {
4010                                create_new_window: false,
4011                            }
4012                            .boxed_clone(),
4013                            cx,
4014                        );
4015                    }),
4016            )
4017            .child(
4018                h_flex()
4019                    .w_1_2()
4020                    .gap_2()
4021                    .child(Divider::horizontal().color(ui::DividerColor::Border))
4022                    .child(Label::new("or").size(LabelSize::XSmall).color(Color::Muted))
4023                    .child(Divider::horizontal().color(ui::DividerColor::Border)),
4024            )
4025            .child(
4026                Button::new("clone_repo", "Clone Repository")
4027                    .full_width()
4028                    .on_click(|_, window, cx| {
4029                        window.dispatch_action(git::Clone.boxed_clone(), cx);
4030                    }),
4031            )
4032    }
4033
4034    fn render_sidebar_header(
4035        &self,
4036        no_open_projects: bool,
4037        window: &Window,
4038        cx: &mut Context<Self>,
4039    ) -> impl IntoElement {
4040        let has_query = self.has_filter_query(cx);
4041        let sidebar_on_left = self.side(cx) == SidebarSide::Left;
4042        let sidebar_on_right = self.side(cx) == SidebarSide::Right;
4043        let not_fullscreen = !window.is_fullscreen();
4044        let traffic_lights = cfg!(target_os = "macos") && not_fullscreen && sidebar_on_left;
4045        let left_window_controls = !cfg!(target_os = "macos") && not_fullscreen && sidebar_on_left;
4046        let right_window_controls =
4047            !cfg!(target_os = "macos") && not_fullscreen && sidebar_on_right;
4048        let header_height = platform_title_bar_height(window);
4049
4050        h_flex()
4051            .h(header_height)
4052            .mt_px()
4053            .pb_px()
4054            .when(left_window_controls, |this| {
4055                this.children(Self::render_left_window_controls(window, cx))
4056            })
4057            .map(|this| {
4058                if traffic_lights {
4059                    this.pl(px(ui::utils::TRAFFIC_LIGHT_PADDING))
4060                } else if !left_window_controls {
4061                    this.pl_1p5()
4062                } else {
4063                    this
4064                }
4065            })
4066            .when(!right_window_controls, |this| this.pr_1p5())
4067            .gap_1()
4068            .when(!no_open_projects, |this| {
4069                this.border_b_1()
4070                    .border_color(cx.theme().colors().border)
4071                    .when(traffic_lights, |this| {
4072                        this.child(Divider::vertical().color(ui::DividerColor::Border))
4073                    })
4074                    .child(
4075                        div().ml_1().child(
4076                            Icon::new(IconName::MagnifyingGlass)
4077                                .size(IconSize::Small)
4078                                .color(Color::Muted),
4079                        ),
4080                    )
4081                    .child(self.render_filter_input(cx))
4082                    .child(
4083                        h_flex()
4084                            .gap_1()
4085                            .when(
4086                                self.selection.is_some()
4087                                    && !self.filter_editor.focus_handle(cx).is_focused(window),
4088                                |this| this.child(KeyBinding::for_action(&FocusSidebarFilter, cx)),
4089                            )
4090                            .when(has_query, |this| {
4091                                this.child(
4092                                    IconButton::new("clear_filter", IconName::Close)
4093                                        .icon_size(IconSize::Small)
4094                                        .tooltip(Tooltip::text("Clear Search"))
4095                                        .on_click(cx.listener(|this, _, window, cx| {
4096                                            this.reset_filter_editor_text(window, cx);
4097                                            this.update_entries(cx);
4098                                        })),
4099                                )
4100                            }),
4101                    )
4102            })
4103            .when(right_window_controls, |this| {
4104                this.children(Self::render_right_window_controls(window, cx))
4105            })
4106    }
4107
4108    fn render_left_window_controls(window: &Window, cx: &mut App) -> Option<AnyElement> {
4109        platform_title_bar::render_left_window_controls(
4110            cx.button_layout(),
4111            Box::new(CloseWindow),
4112            window,
4113        )
4114    }
4115
4116    fn render_right_window_controls(window: &Window, cx: &mut App) -> Option<AnyElement> {
4117        platform_title_bar::render_right_window_controls(
4118            cx.button_layout(),
4119            Box::new(CloseWindow),
4120            window,
4121        )
4122    }
4123
4124    fn render_sidebar_toggle_button(&self, _cx: &mut Context<Self>) -> impl IntoElement {
4125        let on_right = AgentSettings::get_global(_cx).sidebar_side() == SidebarSide::Right;
4126
4127        sidebar_side_context_menu("sidebar-toggle-menu", _cx)
4128            .anchor(if on_right {
4129                gpui::Corner::BottomRight
4130            } else {
4131                gpui::Corner::BottomLeft
4132            })
4133            .attach(if on_right {
4134                gpui::Corner::TopRight
4135            } else {
4136                gpui::Corner::TopLeft
4137            })
4138            .trigger(move |_is_active, _window, _cx| {
4139                let icon = if on_right {
4140                    IconName::ThreadsSidebarRightOpen
4141                } else {
4142                    IconName::ThreadsSidebarLeftOpen
4143                };
4144                IconButton::new("sidebar-close-toggle", icon)
4145                    .icon_size(IconSize::Small)
4146                    .tooltip(Tooltip::element(move |_window, cx| {
4147                        v_flex()
4148                            .gap_1()
4149                            .child(
4150                                h_flex()
4151                                    .gap_2()
4152                                    .justify_between()
4153                                    .child(Label::new("Toggle Sidebar"))
4154                                    .child(KeyBinding::for_action(&ToggleWorkspaceSidebar, cx)),
4155                            )
4156                            .child(
4157                                h_flex()
4158                                    .pt_1()
4159                                    .gap_2()
4160                                    .border_t_1()
4161                                    .border_color(cx.theme().colors().border_variant)
4162                                    .justify_between()
4163                                    .child(Label::new("Focus Sidebar"))
4164                                    .child(KeyBinding::for_action(&FocusWorkspaceSidebar, cx)),
4165                            )
4166                            .into_any_element()
4167                    }))
4168                    .on_click(|_, window, cx| {
4169                        if let Some(multi_workspace) = window.root::<MultiWorkspace>().flatten() {
4170                            multi_workspace.update(cx, |multi_workspace, cx| {
4171                                multi_workspace.close_sidebar(window, cx);
4172                            });
4173                        }
4174                    })
4175            })
4176    }
4177
4178    fn render_sidebar_bottom_bar(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
4179        let is_archive = matches!(self.view, SidebarView::Archive(..));
4180        let show_import_button = is_archive && !self.should_render_acp_import_onboarding(cx);
4181        let on_right = self.side(cx) == SidebarSide::Right;
4182
4183        let action_buttons = h_flex()
4184            .gap_1()
4185            .when(on_right, |this| this.flex_row_reverse())
4186            .when(show_import_button, |this| {
4187                this.child(
4188                    IconButton::new("thread-import", IconName::ThreadImport)
4189                        .icon_size(IconSize::Small)
4190                        .tooltip(Tooltip::text("Import ACP Threads"))
4191                        .on_click(cx.listener(|this, _, window, cx| {
4192                            this.show_archive(window, cx);
4193                            this.show_thread_import_modal(window, cx);
4194                        })),
4195                )
4196            })
4197            .child(
4198                IconButton::new("archive", IconName::Archive)
4199                    .icon_size(IconSize::Small)
4200                    .toggle_state(is_archive)
4201                    .tooltip(move |_, cx| {
4202                        Tooltip::for_action("Toggle Archived Threads", &ToggleArchive, cx)
4203                    })
4204                    .on_click(cx.listener(|this, _, window, cx| {
4205                        this.toggle_archive(&ToggleArchive, window, cx);
4206                    })),
4207            )
4208            .child(self.render_recent_projects_button(cx));
4209
4210        h_flex()
4211            .p_1()
4212            .gap_1()
4213            .when(on_right, |this| this.flex_row_reverse())
4214            .justify_between()
4215            .border_t_1()
4216            .border_color(cx.theme().colors().border)
4217            .child(self.render_sidebar_toggle_button(cx))
4218            .child(action_buttons)
4219    }
4220
4221    fn active_workspace(&self, cx: &App) -> Option<Entity<Workspace>> {
4222        self.multi_workspace
4223            .upgrade()
4224            .map(|w| w.read(cx).workspace().clone())
4225    }
4226
4227    fn show_thread_import_modal(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4228        let Some(active_workspace) = self.active_workspace(cx) else {
4229            return;
4230        };
4231
4232        let Some(agent_registry_store) = AgentRegistryStore::try_global(cx) else {
4233            return;
4234        };
4235
4236        let agent_server_store = active_workspace
4237            .read(cx)
4238            .project()
4239            .read(cx)
4240            .agent_server_store()
4241            .clone();
4242
4243        let workspace_handle = active_workspace.downgrade();
4244        let multi_workspace = self.multi_workspace.clone();
4245
4246        active_workspace.update(cx, |workspace, cx| {
4247            workspace.toggle_modal(window, cx, |window, cx| {
4248                ThreadImportModal::new(
4249                    agent_server_store,
4250                    agent_registry_store,
4251                    workspace_handle.clone(),
4252                    multi_workspace.clone(),
4253                    window,
4254                    cx,
4255                )
4256            });
4257        });
4258    }
4259
4260    fn should_render_acp_import_onboarding(&self, cx: &App) -> bool {
4261        let has_external_agents = self
4262            .active_workspace(cx)
4263            .map(|ws| {
4264                ws.read(cx)
4265                    .project()
4266                    .read(cx)
4267                    .agent_server_store()
4268                    .read(cx)
4269                    .has_external_agents()
4270            })
4271            .unwrap_or(false);
4272
4273        has_external_agents && !AcpThreadImportOnboarding::dismissed(cx)
4274    }
4275
4276    fn render_acp_import_onboarding(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
4277        let description =
4278            "Import threads from your ACP agents — whether started in Zed or another client.";
4279
4280        let bg = cx.theme().colors().text_accent;
4281
4282        v_flex()
4283            .min_w_0()
4284            .w_full()
4285            .p_2()
4286            .border_t_1()
4287            .border_color(cx.theme().colors().border)
4288            .bg(linear_gradient(
4289                360.,
4290                linear_color_stop(bg.opacity(0.06), 1.),
4291                linear_color_stop(bg.opacity(0.), 0.),
4292            ))
4293            .child(
4294                h_flex()
4295                    .min_w_0()
4296                    .w_full()
4297                    .gap_1()
4298                    .justify_between()
4299                    .child(Label::new("Looking for ACP threads?"))
4300                    .child(
4301                        IconButton::new("close-onboarding", IconName::Close)
4302                            .icon_size(IconSize::Small)
4303                            .on_click(|_, _window, cx| AcpThreadImportOnboarding::dismiss(cx)),
4304                    ),
4305            )
4306            .child(Label::new(description).color(Color::Muted).mb_2())
4307            .child(
4308                Button::new("import-acp", "Import ACP Threads")
4309                    .full_width()
4310                    .style(ButtonStyle::OutlinedCustom(cx.theme().colors().border))
4311                    .label_size(LabelSize::Small)
4312                    .start_icon(
4313                        Icon::new(IconName::ThreadImport)
4314                            .size(IconSize::Small)
4315                            .color(Color::Muted),
4316                    )
4317                    .on_click(cx.listener(|this, _, window, cx| {
4318                        this.show_archive(window, cx);
4319                        this.show_thread_import_modal(window, cx);
4320                    })),
4321            )
4322    }
4323
4324    fn toggle_archive(&mut self, _: &ToggleArchive, window: &mut Window, cx: &mut Context<Self>) {
4325        match &self.view {
4326            SidebarView::ThreadList => self.show_archive(window, cx),
4327            SidebarView::Archive(_) => self.show_thread_list(window, cx),
4328        }
4329    }
4330
4331    fn show_archive(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4332        let Some(active_workspace) = self
4333            .multi_workspace
4334            .upgrade()
4335            .map(|w| w.read(cx).workspace().clone())
4336        else {
4337            return;
4338        };
4339        let Some(agent_panel) = active_workspace.read(cx).panel::<AgentPanel>(cx) else {
4340            return;
4341        };
4342
4343        let agent_server_store = active_workspace
4344            .read(cx)
4345            .project()
4346            .read(cx)
4347            .agent_server_store()
4348            .downgrade();
4349
4350        let agent_connection_store = agent_panel.read(cx).connection_store().downgrade();
4351
4352        let archive_view = cx.new(|cx| {
4353            ThreadsArchiveView::new(
4354                active_workspace.downgrade(),
4355                agent_connection_store.clone(),
4356                agent_server_store.clone(),
4357                window,
4358                cx,
4359            )
4360        });
4361
4362        let subscription = cx.subscribe_in(
4363            &archive_view,
4364            window,
4365            |this, _, event: &ThreadsArchiveViewEvent, window, cx| match event {
4366                ThreadsArchiveViewEvent::Close => {
4367                    this.show_thread_list(window, cx);
4368                }
4369                ThreadsArchiveViewEvent::Unarchive { thread } => {
4370                    this.show_thread_list(window, cx);
4371                    this.activate_archived_thread(thread.clone(), window, cx);
4372                }
4373            },
4374        );
4375
4376        self._subscriptions.push(subscription);
4377        self.view = SidebarView::Archive(archive_view.clone());
4378        archive_view.update(cx, |view, cx| view.focus_filter_editor(window, cx));
4379        self.serialize(cx);
4380        cx.notify();
4381    }
4382
4383    fn show_thread_list(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4384        self.view = SidebarView::ThreadList;
4385        self._subscriptions.clear();
4386        let handle = self.filter_editor.read(cx).focus_handle(cx);
4387        handle.focus(window, cx);
4388        self.serialize(cx);
4389        cx.notify();
4390    }
4391}
4392
4393impl WorkspaceSidebar for Sidebar {
4394    fn width(&self, _cx: &App) -> Pixels {
4395        self.width
4396    }
4397
4398    fn set_width(&mut self, width: Option<Pixels>, cx: &mut Context<Self>) {
4399        self.width = width.unwrap_or(DEFAULT_WIDTH).clamp(MIN_WIDTH, MAX_WIDTH);
4400        cx.notify();
4401    }
4402
4403    fn has_notifications(&self, _cx: &App) -> bool {
4404        !self.contents.notified_threads.is_empty()
4405    }
4406
4407    fn is_threads_list_view_active(&self) -> bool {
4408        matches!(self.view, SidebarView::ThreadList)
4409    }
4410
4411    fn side(&self, cx: &App) -> SidebarSide {
4412        AgentSettings::get_global(cx).sidebar_side()
4413    }
4414
4415    fn prepare_for_focus(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4416        self.selection = None;
4417        cx.notify();
4418    }
4419
4420    fn toggle_thread_switcher(
4421        &mut self,
4422        select_last: bool,
4423        window: &mut Window,
4424        cx: &mut Context<Self>,
4425    ) {
4426        self.toggle_thread_switcher_impl(select_last, window, cx);
4427    }
4428
4429    fn cycle_project(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
4430        self.cycle_project_impl(forward, window, cx);
4431    }
4432
4433    fn cycle_thread(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
4434        self.cycle_thread_impl(forward, window, cx);
4435    }
4436
4437    fn serialized_state(&self, _cx: &App) -> Option<String> {
4438        let serialized = SerializedSidebar {
4439            width: Some(f32::from(self.width)),
4440            collapsed_groups: self
4441                .collapsed_groups
4442                .iter()
4443                .cloned()
4444                .map(SerializedProjectGroupKey::from)
4445                .collect(),
4446            expanded_groups: self
4447                .expanded_groups
4448                .iter()
4449                .map(|(key, count)| (SerializedProjectGroupKey::from(key.clone()), *count))
4450                .collect(),
4451            active_view: match self.view {
4452                SidebarView::ThreadList => SerializedSidebarView::ThreadList,
4453                SidebarView::Archive(_) => SerializedSidebarView::Archive,
4454            },
4455        };
4456        serde_json::to_string(&serialized).ok()
4457    }
4458
4459    fn restore_serialized_state(
4460        &mut self,
4461        state: &str,
4462        window: &mut Window,
4463        cx: &mut Context<Self>,
4464    ) {
4465        if let Some(serialized) = serde_json::from_str::<SerializedSidebar>(state).log_err() {
4466            if let Some(width) = serialized.width {
4467                self.width = px(width).clamp(MIN_WIDTH, MAX_WIDTH);
4468            }
4469            self.collapsed_groups = serialized
4470                .collapsed_groups
4471                .into_iter()
4472                .map(ProjectGroupKey::from)
4473                .collect();
4474            self.expanded_groups = serialized
4475                .expanded_groups
4476                .into_iter()
4477                .map(|(s, count)| (ProjectGroupKey::from(s), count))
4478                .collect();
4479            if serialized.active_view == SerializedSidebarView::Archive {
4480                cx.defer_in(window, |this, window, cx| {
4481                    this.show_archive(window, cx);
4482                });
4483            }
4484        }
4485        cx.notify();
4486    }
4487}
4488
4489impl gpui::EventEmitter<workspace::SidebarEvent> for Sidebar {}
4490
4491impl Focusable for Sidebar {
4492    fn focus_handle(&self, _cx: &App) -> FocusHandle {
4493        self.focus_handle.clone()
4494    }
4495}
4496
4497impl Render for Sidebar {
4498    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4499        let _titlebar_height = ui::utils::platform_title_bar_height(window);
4500        let ui_font = theme_settings::setup_ui_font(window, cx);
4501        let sticky_header = self.render_sticky_header(window, cx);
4502
4503        let color = cx.theme().colors();
4504        let bg = color
4505            .title_bar_background
4506            .blend(color.panel_background.opacity(0.25));
4507
4508        let no_open_projects = !self.contents.has_open_projects;
4509        let no_search_results = self.contents.entries.is_empty();
4510
4511        v_flex()
4512            .id("workspace-sidebar")
4513            .key_context(self.dispatch_context(window, cx))
4514            .track_focus(&self.focus_handle)
4515            .on_action(cx.listener(Self::select_next))
4516            .on_action(cx.listener(Self::select_previous))
4517            .on_action(cx.listener(Self::editor_move_down))
4518            .on_action(cx.listener(Self::editor_move_up))
4519            .on_action(cx.listener(Self::select_first))
4520            .on_action(cx.listener(Self::select_last))
4521            .on_action(cx.listener(Self::confirm))
4522            .on_action(cx.listener(Self::expand_selected_entry))
4523            .on_action(cx.listener(Self::collapse_selected_entry))
4524            .on_action(cx.listener(Self::toggle_selected_fold))
4525            .on_action(cx.listener(Self::fold_all))
4526            .on_action(cx.listener(Self::unfold_all))
4527            .on_action(cx.listener(Self::cancel))
4528            .on_action(cx.listener(Self::remove_selected_thread))
4529            .on_action(cx.listener(Self::new_thread_in_group))
4530            .on_action(cx.listener(Self::toggle_archive))
4531            .on_action(cx.listener(Self::focus_sidebar_filter))
4532            .on_action(cx.listener(Self::on_toggle_thread_switcher))
4533            .on_action(cx.listener(Self::on_next_project))
4534            .on_action(cx.listener(Self::on_previous_project))
4535            .on_action(cx.listener(Self::on_next_thread))
4536            .on_action(cx.listener(Self::on_previous_thread))
4537            .on_action(cx.listener(Self::on_show_more_threads))
4538            .on_action(cx.listener(Self::on_show_fewer_threads))
4539            .on_action(cx.listener(Self::on_new_thread))
4540            .on_action(cx.listener(|this, _: &OpenRecent, window, cx| {
4541                this.recent_projects_popover_handle.toggle(window, cx);
4542            }))
4543            .font(ui_font)
4544            .h_full()
4545            .w(self.width)
4546            .bg(bg)
4547            .when(self.side(cx) == SidebarSide::Left, |el| el.border_r_1())
4548            .when(self.side(cx) == SidebarSide::Right, |el| el.border_l_1())
4549            .border_color(color.border)
4550            .map(|this| match &self.view {
4551                SidebarView::ThreadList => this
4552                    .child(self.render_sidebar_header(no_open_projects, window, cx))
4553                    .map(|this| {
4554                        if no_open_projects {
4555                            this.child(self.render_empty_state(cx))
4556                        } else {
4557                            this.child(
4558                                v_flex()
4559                                    .relative()
4560                                    .flex_1()
4561                                    .overflow_hidden()
4562                                    .child(
4563                                        list(
4564                                            self.list_state.clone(),
4565                                            cx.processor(Self::render_list_entry),
4566                                        )
4567                                        .flex_1()
4568                                        .size_full(),
4569                                    )
4570                                    .when(no_search_results, |this| {
4571                                        this.child(self.render_no_results(cx))
4572                                    })
4573                                    .when_some(sticky_header, |this, header| this.child(header))
4574                                    .vertical_scrollbar_for(&self.list_state, window, cx),
4575                            )
4576                        }
4577                    }),
4578                SidebarView::Archive(archive_view) => this.child(archive_view.clone()),
4579            })
4580            .when(self.should_render_acp_import_onboarding(cx), |this| {
4581                this.child(self.render_acp_import_onboarding(cx))
4582            })
4583            .child(self.render_sidebar_bottom_bar(cx))
4584    }
4585}
4586
4587fn all_thread_infos_for_workspace(
4588    workspace: &Entity<Workspace>,
4589    cx: &App,
4590) -> impl Iterator<Item = ActiveThreadInfo> {
4591    let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) else {
4592        return None.into_iter().flatten();
4593    };
4594    let agent_panel = agent_panel.read(cx);
4595    let threads = agent_panel
4596        .conversation_views()
4597        .into_iter()
4598        .filter_map(|conversation_view| {
4599            let has_pending_tool_call = conversation_view
4600                .read(cx)
4601                .root_thread_has_pending_tool_call(cx);
4602            let thread_view = conversation_view.read(cx).root_thread(cx)?;
4603            let thread_view_ref = thread_view.read(cx);
4604            let thread = thread_view_ref.thread.read(cx);
4605
4606            let icon = thread_view_ref.agent_icon;
4607            let icon_from_external_svg = thread_view_ref.agent_icon_from_external_svg.clone();
4608            let title = thread
4609                .title()
4610                .unwrap_or_else(|| DEFAULT_THREAD_TITLE.into());
4611            let is_native = thread_view_ref.as_native_thread(cx).is_some();
4612            let is_title_generating = is_native && thread.has_provisional_title();
4613            let session_id = thread.session_id().clone();
4614            let is_background = agent_panel.is_background_thread(&session_id);
4615
4616            let status = if has_pending_tool_call {
4617                AgentThreadStatus::WaitingForConfirmation
4618            } else if thread.had_error() {
4619                AgentThreadStatus::Error
4620            } else {
4621                match thread.status() {
4622                    ThreadStatus::Generating => AgentThreadStatus::Running,
4623                    ThreadStatus::Idle => AgentThreadStatus::Completed,
4624                }
4625            };
4626
4627            let diff_stats = thread.action_log().read(cx).diff_stats(cx);
4628
4629            Some(ActiveThreadInfo {
4630                session_id,
4631                title,
4632                status,
4633                icon,
4634                icon_from_external_svg,
4635                is_background,
4636                is_title_generating,
4637                diff_stats,
4638            })
4639        });
4640
4641    Some(threads).into_iter().flatten()
4642}
4643
4644pub fn dump_workspace_info(
4645    workspace: &mut Workspace,
4646    _: &DumpWorkspaceInfo,
4647    window: &mut gpui::Window,
4648    cx: &mut gpui::Context<Workspace>,
4649) {
4650    use std::fmt::Write;
4651
4652    let mut output = String::new();
4653    let this_entity = cx.entity();
4654
4655    let multi_workspace = workspace.multi_workspace().and_then(|weak| weak.upgrade());
4656    let workspaces: Vec<gpui::Entity<Workspace>> = match &multi_workspace {
4657        Some(mw) => mw.read(cx).workspaces().cloned().collect(),
4658        None => vec![this_entity.clone()],
4659    };
4660    let active_workspace = multi_workspace
4661        .as_ref()
4662        .map(|mw| mw.read(cx).workspace().clone());
4663
4664    writeln!(output, "MultiWorkspace: {} workspace(s)", workspaces.len()).ok();
4665
4666    if let Some(mw) = &multi_workspace {
4667        let keys: Vec<_> = mw.read(cx).project_group_keys().cloned().collect();
4668        writeln!(output, "Project group keys ({}):", keys.len()).ok();
4669        for key in keys {
4670            writeln!(output, "  - {key:?}").ok();
4671        }
4672    }
4673
4674    writeln!(output).ok();
4675
4676    for (index, ws) in workspaces.iter().enumerate() {
4677        let is_active = active_workspace.as_ref() == Some(ws);
4678        writeln!(
4679            output,
4680            "--- Workspace {index}{} ---",
4681            if is_active { " (active)" } else { "" }
4682        )
4683        .ok();
4684
4685        // The action handler is already inside an update on `this_entity`,
4686        // so we must avoid a nested read/update on that same entity.
4687        if *ws == this_entity {
4688            dump_single_workspace(workspace, &mut output, cx);
4689        } else {
4690            ws.read_with(cx, |ws, cx| {
4691                dump_single_workspace(ws, &mut output, cx);
4692            });
4693        }
4694    }
4695
4696    let project = workspace.project().clone();
4697    cx.spawn_in(window, async move |_this, cx| {
4698        let buffer = project
4699            .update(cx, |project, cx| project.create_buffer(None, false, cx))
4700            .await?;
4701
4702        buffer.update(cx, |buffer, cx| {
4703            buffer.set_text(output, cx);
4704        });
4705
4706        let buffer = cx.new(|cx| {
4707            editor::MultiBuffer::singleton(buffer, cx).with_title("Workspace Info".into())
4708        });
4709
4710        _this.update_in(cx, |workspace, window, cx| {
4711            workspace.add_item_to_active_pane(
4712                Box::new(cx.new(|cx| {
4713                    let mut editor =
4714                        editor::Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4715                    editor.set_read_only(true);
4716                    editor.set_should_serialize(false, cx);
4717                    editor.set_breadcrumb_header("Workspace Info".into());
4718                    editor
4719                })),
4720                None,
4721                true,
4722                window,
4723                cx,
4724            );
4725        })
4726    })
4727    .detach_and_log_err(cx);
4728}
4729
4730fn dump_single_workspace(workspace: &Workspace, output: &mut String, cx: &gpui::App) {
4731    use std::fmt::Write;
4732
4733    let workspace_db_id = workspace.database_id();
4734    match workspace_db_id {
4735        Some(id) => writeln!(output, "Workspace DB ID: {id:?}").ok(),
4736        None => writeln!(output, "Workspace DB ID: (none)").ok(),
4737    };
4738
4739    let project = workspace.project().read(cx);
4740
4741    let repos: Vec<_> = project
4742        .repositories(cx)
4743        .values()
4744        .map(|repo| repo.read(cx).snapshot())
4745        .collect();
4746
4747    writeln!(output, "Worktrees:").ok();
4748    for worktree in project.worktrees(cx) {
4749        let worktree = worktree.read(cx);
4750        let abs_path = worktree.abs_path();
4751        let visible = worktree.is_visible();
4752
4753        let repo_info = repos
4754            .iter()
4755            .find(|snapshot| abs_path.starts_with(&*snapshot.work_directory_abs_path));
4756
4757        let is_linked = repo_info.map(|s| s.is_linked_worktree()).unwrap_or(false);
4758        let original_repo_path = repo_info.map(|s| &s.original_repo_abs_path);
4759        let branch = repo_info.and_then(|s| s.branch.as_ref().map(|b| b.ref_name.clone()));
4760
4761        write!(output, "  - {}", abs_path.display()).ok();
4762        if !visible {
4763            write!(output, " (hidden)").ok();
4764        }
4765        if let Some(branch) = &branch {
4766            write!(output, " [branch: {branch}]").ok();
4767        }
4768        if is_linked {
4769            if let Some(original) = original_repo_path {
4770                write!(output, " [linked worktree -> {}]", original.display()).ok();
4771            } else {
4772                write!(output, " [linked worktree]").ok();
4773            }
4774        }
4775        writeln!(output).ok();
4776    }
4777
4778    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4779        let panel = panel.read(cx);
4780
4781        let panel_workspace_id = panel.workspace_id();
4782        if panel_workspace_id != workspace_db_id {
4783            writeln!(
4784                output,
4785                "  \u{26a0} workspace ID mismatch! panel has {panel_workspace_id:?}, workspace has {workspace_db_id:?}"
4786            )
4787            .ok();
4788        }
4789
4790        if let Some(thread) = panel.active_agent_thread(cx) {
4791            let thread = thread.read(cx);
4792            let title = thread.title().unwrap_or_else(|| "(untitled)".into());
4793            let session_id = thread.session_id();
4794            let status = match thread.status() {
4795                ThreadStatus::Idle => "idle",
4796                ThreadStatus::Generating => "generating",
4797            };
4798            let entry_count = thread.entries().len();
4799            write!(output, "Active thread: {title} (session: {session_id})").ok();
4800            write!(output, " [{status}, {entry_count} entries").ok();
4801            if panel
4802                .active_conversation_view()
4803                .is_some_and(|conversation_view| {
4804                    conversation_view
4805                        .read(cx)
4806                        .root_thread_has_pending_tool_call(cx)
4807                })
4808            {
4809                write!(output, ", awaiting confirmation").ok();
4810            }
4811            writeln!(output, "]").ok();
4812        } else {
4813            writeln!(output, "Active thread: (none)").ok();
4814        }
4815
4816        let background_threads = panel.background_threads();
4817        if !background_threads.is_empty() {
4818            writeln!(
4819                output,
4820                "Background threads ({}): ",
4821                background_threads.len()
4822            )
4823            .ok();
4824            for (session_id, conversation_view) in background_threads {
4825                if let Some(thread_view) = conversation_view.read(cx).root_thread(cx) {
4826                    let thread = thread_view.read(cx).thread.read(cx);
4827                    let title = thread.title().unwrap_or_else(|| "(untitled)".into());
4828                    let status = match thread.status() {
4829                        ThreadStatus::Idle => "idle",
4830                        ThreadStatus::Generating => "generating",
4831                    };
4832                    let entry_count = thread.entries().len();
4833                    write!(output, "  - {title} (session: {session_id})").ok();
4834                    write!(output, " [{status}, {entry_count} entries").ok();
4835                    if conversation_view
4836                        .read(cx)
4837                        .root_thread_has_pending_tool_call(cx)
4838                    {
4839                        write!(output, ", awaiting confirmation").ok();
4840                    }
4841                    writeln!(output, "]").ok();
4842                } else {
4843                    writeln!(output, "  - (not connected) (session: {session_id})").ok();
4844                }
4845            }
4846        }
4847    } else {
4848        writeln!(output, "Agent panel: not loaded").ok();
4849    }
4850
4851    writeln!(output).ok();
4852}