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    restoring_tasks: HashMap<acp::SessionId, Task<()>>,
 445    recent_projects_popover_handle: PopoverMenuHandle<SidebarRecentProjects>,
 446    project_header_menu_ix: Option<usize>,
 447    _subscriptions: Vec<gpui::Subscription>,
 448    _draft_observation: Option<gpui::Subscription>,
 449}
 450
 451impl Sidebar {
 452    pub fn new(
 453        multi_workspace: Entity<MultiWorkspace>,
 454        window: &mut Window,
 455        cx: &mut Context<Self>,
 456    ) -> Self {
 457        let focus_handle = cx.focus_handle();
 458        cx.on_focus_in(&focus_handle, window, Self::focus_in)
 459            .detach();
 460
 461        let filter_editor = cx.new(|cx| {
 462            let mut editor = Editor::single_line(window, cx);
 463            editor.set_use_modal_editing(true);
 464            editor.set_placeholder_text("Search…", window, cx);
 465            editor
 466        });
 467
 468        cx.subscribe_in(
 469            &multi_workspace,
 470            window,
 471            |this, _multi_workspace, event: &MultiWorkspaceEvent, window, cx| match event {
 472                MultiWorkspaceEvent::ActiveWorkspaceChanged => {
 473                    this.observe_draft_editor(cx);
 474                    this.update_entries(cx);
 475                }
 476                MultiWorkspaceEvent::WorkspaceAdded(workspace) => {
 477                    this.subscribe_to_workspace(workspace, window, cx);
 478                    this.update_entries(cx);
 479                }
 480                MultiWorkspaceEvent::WorkspaceRemoved(_) => {
 481                    this.update_entries(cx);
 482                }
 483            },
 484        )
 485        .detach();
 486
 487        cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 488            if let editor::EditorEvent::BufferEdited = event {
 489                let query = this.filter_editor.read(cx).text(cx);
 490                if !query.is_empty() {
 491                    this.selection.take();
 492                }
 493                this.update_entries(cx);
 494                if !query.is_empty() {
 495                    this.select_first_entry();
 496                }
 497            }
 498        })
 499        .detach();
 500
 501        cx.observe(&ThreadMetadataStore::global(cx), |this, _store, cx| {
 502            this.update_entries(cx);
 503        })
 504        .detach();
 505
 506        let workspaces: Vec<_> = multi_workspace.read(cx).workspaces().cloned().collect();
 507        cx.defer_in(window, move |this, window, cx| {
 508            for workspace in &workspaces {
 509                this.subscribe_to_workspace(workspace, window, cx);
 510            }
 511            this.update_entries(cx);
 512        });
 513
 514        Self {
 515            multi_workspace: multi_workspace.downgrade(),
 516            width: DEFAULT_WIDTH,
 517            focus_handle,
 518            filter_editor,
 519            list_state: ListState::new(0, gpui::ListAlignment::Top, px(1000.)),
 520            contents: SidebarContents::default(),
 521            selection: None,
 522            active_entry: None,
 523            hovered_thread_index: None,
 524            collapsed_groups: HashSet::new(),
 525            expanded_groups: HashMap::new(),
 526            thread_last_accessed: HashMap::new(),
 527            thread_last_message_sent_or_queued: HashMap::new(),
 528            thread_switcher: None,
 529            _thread_switcher_subscriptions: Vec::new(),
 530            pending_remote_thread_activation: None,
 531            view: SidebarView::default(),
 532            restoring_tasks: HashMap::new(),
 533            recent_projects_popover_handle: PopoverMenuHandle::default(),
 534            project_header_menu_ix: None,
 535            _subscriptions: Vec::new(),
 536            _draft_observation: None,
 537        }
 538    }
 539
 540    fn serialize(&mut self, cx: &mut Context<Self>) {
 541        cx.emit(workspace::SidebarEvent::SerializeNeeded);
 542    }
 543
 544    fn active_entry_workspace(&self) -> Option<&Entity<Workspace>> {
 545        self.active_entry.as_ref().map(|entry| entry.workspace())
 546    }
 547
 548    fn is_active_workspace(&self, workspace: &Entity<Workspace>, cx: &App) -> bool {
 549        self.multi_workspace
 550            .upgrade()
 551            .map_or(false, |mw| mw.read(cx).workspace() == workspace)
 552    }
 553
 554    fn subscribe_to_workspace(
 555        &mut self,
 556        workspace: &Entity<Workspace>,
 557        window: &mut Window,
 558        cx: &mut Context<Self>,
 559    ) {
 560        let project = workspace.read(cx).project().clone();
 561        cx.subscribe_in(
 562            &project,
 563            window,
 564            |this, _project, event, _window, cx| match event {
 565                ProjectEvent::WorktreeAdded(_)
 566                | ProjectEvent::WorktreeRemoved(_)
 567                | ProjectEvent::WorktreeOrderChanged => {
 568                    this.update_entries(cx);
 569                }
 570                _ => {}
 571            },
 572        )
 573        .detach();
 574
 575        let git_store = workspace.read(cx).project().read(cx).git_store().clone();
 576        cx.subscribe_in(
 577            &git_store,
 578            window,
 579            |this, _, event: &project::git_store::GitStoreEvent, _window, cx| {
 580                if matches!(
 581                    event,
 582                    project::git_store::GitStoreEvent::RepositoryUpdated(
 583                        _,
 584                        project::git_store::RepositoryEvent::GitWorktreeListChanged,
 585                        _,
 586                    )
 587                ) {
 588                    this.update_entries(cx);
 589                }
 590            },
 591        )
 592        .detach();
 593
 594        cx.subscribe_in(
 595            workspace,
 596            window,
 597            |this, _workspace, event: &workspace::Event, window, cx| {
 598                if let workspace::Event::PanelAdded(view) = event {
 599                    if let Ok(agent_panel) = view.clone().downcast::<AgentPanel>() {
 600                        this.subscribe_to_agent_panel(&agent_panel, window, cx);
 601                    }
 602                }
 603            },
 604        )
 605        .detach();
 606
 607        self.observe_docks(workspace, cx);
 608
 609        if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
 610            self.subscribe_to_agent_panel(&agent_panel, window, cx);
 611            self.observe_draft_editor(cx);
 612        }
 613    }
 614
 615    fn subscribe_to_agent_panel(
 616        &mut self,
 617        agent_panel: &Entity<AgentPanel>,
 618        window: &mut Window,
 619        cx: &mut Context<Self>,
 620    ) {
 621        cx.subscribe_in(
 622            agent_panel,
 623            window,
 624            |this, agent_panel, event: &AgentPanelEvent, _window, cx| match event {
 625                AgentPanelEvent::ActiveViewChanged => {
 626                    let is_new_draft = agent_panel
 627                        .read(cx)
 628                        .active_conversation_view()
 629                        .is_some_and(|cv| cv.read(cx).parent_id(cx).is_none());
 630                    if is_new_draft {
 631                        if let Some(active_workspace) = this
 632                            .multi_workspace
 633                            .upgrade()
 634                            .map(|mw| mw.read(cx).workspace().clone())
 635                        {
 636                            this.active_entry = Some(ActiveEntry::Draft(active_workspace));
 637                        }
 638                    }
 639                    this.observe_draft_editor(cx);
 640                    this.update_entries(cx);
 641                }
 642                AgentPanelEvent::ThreadFocused | AgentPanelEvent::BackgroundThreadChanged => {
 643                    this.update_entries(cx);
 644                }
 645                AgentPanelEvent::MessageSentOrQueued { session_id } => {
 646                    this.record_thread_message_sent(session_id);
 647                    this.update_entries(cx);
 648                }
 649            },
 650        )
 651        .detach();
 652    }
 653
 654    fn observe_docks(&mut self, workspace: &Entity<Workspace>, cx: &mut Context<Self>) {
 655        let docks: Vec<_> = workspace
 656            .read(cx)
 657            .all_docks()
 658            .into_iter()
 659            .cloned()
 660            .collect();
 661        let workspace = workspace.downgrade();
 662        for dock in docks {
 663            let workspace = workspace.clone();
 664            cx.observe(&dock, move |this, _dock, cx| {
 665                let Some(workspace) = workspace.upgrade() else {
 666                    return;
 667                };
 668                if !this.is_active_workspace(&workspace, cx) {
 669                    return;
 670                }
 671
 672                cx.notify();
 673            })
 674            .detach();
 675        }
 676    }
 677
 678    fn observe_draft_editor(&mut self, cx: &mut Context<Self>) {
 679        self._draft_observation = self
 680            .multi_workspace
 681            .upgrade()
 682            .and_then(|mw| {
 683                let ws = mw.read(cx).workspace();
 684                ws.read(cx).panel::<AgentPanel>(cx)
 685            })
 686            .and_then(|panel| {
 687                let cv = panel.read(cx).active_conversation_view()?;
 688                let tv = cv.read(cx).active_thread()?;
 689                Some(tv.read(cx).message_editor.clone())
 690            })
 691            .map(|editor| {
 692                cx.observe(&editor, |_this, _editor, cx| {
 693                    cx.notify();
 694                })
 695            });
 696    }
 697
 698    fn active_draft_text(&self, cx: &App) -> Option<SharedString> {
 699        let mw = self.multi_workspace.upgrade()?;
 700        let workspace = mw.read(cx).workspace();
 701        let panel = workspace.read(cx).panel::<AgentPanel>(cx)?;
 702        let conversation_view = panel.read(cx).active_conversation_view()?;
 703        let thread_view = conversation_view.read(cx).active_thread()?;
 704        let raw = thread_view.read(cx).message_editor.read(cx).text(cx);
 705        let cleaned = Self::clean_mention_links(&raw);
 706        let mut text: String = cleaned.split_whitespace().collect::<Vec<_>>().join(" ");
 707        if text.is_empty() {
 708            None
 709        } else {
 710            const MAX_CHARS: usize = 250;
 711            if let Some((truncate_at, _)) = text.char_indices().nth(MAX_CHARS) {
 712                text.truncate(truncate_at);
 713            }
 714            Some(text.into())
 715        }
 716    }
 717
 718    fn clean_mention_links(input: &str) -> String {
 719        let mut result = String::with_capacity(input.len());
 720        let mut remaining = input;
 721
 722        while let Some(start) = remaining.find("[@") {
 723            result.push_str(&remaining[..start]);
 724            let after_bracket = &remaining[start + 1..]; // skip '['
 725            if let Some(close_bracket) = after_bracket.find("](") {
 726                let mention = &after_bracket[..close_bracket]; // "@something"
 727                let after_link_start = &after_bracket[close_bracket + 2..]; // after "]("
 728                if let Some(close_paren) = after_link_start.find(')') {
 729                    result.push_str(mention);
 730                    remaining = &after_link_start[close_paren + 1..];
 731                    continue;
 732                }
 733            }
 734            // Couldn't parse full link syntax — emit the literal "[@" and move on.
 735            result.push_str("[@");
 736            remaining = &remaining[start + 2..];
 737        }
 738        result.push_str(remaining);
 739        result
 740    }
 741
 742    /// Opens a new workspace for a group that has no open workspaces.
 743    fn open_workspace_for_group(
 744        &mut self,
 745        project_group_key: &ProjectGroupKey,
 746        window: &mut Window,
 747        cx: &mut Context<Self>,
 748    ) {
 749        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
 750            return;
 751        };
 752        let path_list = project_group_key.path_list().clone();
 753        let host = project_group_key.host();
 754        let provisional_key = Some(project_group_key.clone());
 755        let active_workspace = multi_workspace.read(cx).workspace().clone();
 756
 757        multi_workspace
 758            .update(cx, |this, cx| {
 759                this.find_or_create_workspace(
 760                    path_list,
 761                    host,
 762                    provisional_key,
 763                    |options, window, cx| connect_remote(active_workspace, options, window, cx),
 764                    window,
 765                    cx,
 766                )
 767            })
 768            .detach_and_log_err(cx);
 769    }
 770
 771    /// Rebuilds the sidebar contents from current workspace and thread state.
 772    ///
 773    /// Iterates [`MultiWorkspace::project_group_keys`] to determine project
 774    /// groups, then populates thread entries from the metadata store and
 775    /// merges live thread info from active agent panels.
 776    ///
 777    /// Aim for a single forward pass over workspaces and threads plus an
 778    /// O(T log T) sort. Avoid adding extra scans over the data.
 779    ///
 780    /// Properties:
 781    ///
 782    /// - Should always show every workspace in the multiworkspace
 783    ///     - If you have no threads, and two workspaces for the worktree and the main workspace, make sure at least one is shown
 784    /// - Should always show every thread, associated with each workspace in the multiworkspace
 785    /// - After every build_contents, our "active" state should exactly match the current workspace's, current agent panel's current thread.
 786    fn rebuild_contents(&mut self, cx: &App) {
 787        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
 788            return;
 789        };
 790        let mw = multi_workspace.read(cx);
 791        let workspaces: Vec<_> = mw.workspaces().cloned().collect();
 792        let active_workspace = Some(mw.workspace().clone());
 793
 794        let agent_server_store = workspaces
 795            .first()
 796            .map(|ws| ws.read(cx).project().read(cx).agent_server_store().clone());
 797
 798        let query = self.filter_editor.read(cx).text(cx);
 799
 800        // Derive active_entry from the active workspace's agent panel.
 801        // Draft is checked first because a conversation can have a session_id
 802        // before any messages are sent. However, a thread that's still loading
 803        // also appears as a "draft" (no messages yet).
 804        if let Some(active_ws) = &active_workspace {
 805            if let Some(panel) = active_ws.read(cx).panel::<AgentPanel>(cx) {
 806                let active_thread_is_draft = panel.read(cx).active_thread_is_draft(cx);
 807                let active_conversation_view = panel.read(cx).active_conversation_view();
 808
 809                if active_thread_is_draft || active_conversation_view.is_none() {
 810                    if active_conversation_view.is_none()
 811                        && let Some(session_id) = self.pending_remote_thread_activation.clone()
 812                    {
 813                        self.active_entry = Some(ActiveEntry::Thread {
 814                            session_id,
 815                            workspace: active_ws.clone(),
 816                        });
 817                    } else {
 818                        let conversation_parent_id =
 819                            active_conversation_view.and_then(|cv| cv.read(cx).parent_id(cx));
 820                        let preserving_thread = if let Some(ActiveEntry::Thread {
 821                            session_id,
 822                            ..
 823                        }) = &self.active_entry
 824                        {
 825                            self.active_entry_workspace() == Some(active_ws)
 826                                && conversation_parent_id
 827                                    .as_ref()
 828                                    .is_some_and(|id| id == session_id)
 829                        } else {
 830                            false
 831                        };
 832                        if !preserving_thread {
 833                            self.active_entry = Some(ActiveEntry::Draft(active_ws.clone()));
 834                        }
 835                    }
 836                } else if let Some(session_id) =
 837                    active_conversation_view.and_then(|cv| cv.read(cx).parent_id(cx))
 838                {
 839                    if self.pending_remote_thread_activation.as_ref() == Some(&session_id) {
 840                        self.pending_remote_thread_activation = None;
 841                    }
 842                    self.active_entry = Some(ActiveEntry::Thread {
 843                        session_id,
 844                        workspace: active_ws.clone(),
 845                    });
 846                }
 847                // else: conversation exists, not a draft, but no session_id
 848                // yet — thread is mid-load. Keep previous value.
 849            }
 850        }
 851
 852        let previous = mem::take(&mut self.contents);
 853
 854        let old_statuses: HashMap<acp::SessionId, AgentThreadStatus> = previous
 855            .entries
 856            .iter()
 857            .filter_map(|entry| match entry {
 858                ListEntry::Thread(thread) if thread.is_live => {
 859                    Some((thread.metadata.session_id.clone(), thread.status))
 860                }
 861                _ => None,
 862            })
 863            .collect();
 864
 865        let mut entries = Vec::new();
 866        let mut notified_threads = previous.notified_threads;
 867        let mut current_session_ids: HashSet<acp::SessionId> = HashSet::new();
 868        let mut project_header_indices: Vec<usize> = Vec::new();
 869
 870        let has_open_projects = workspaces
 871            .iter()
 872            .any(|ws| !workspace_path_list(ws, cx).paths().is_empty());
 873
 874        let resolve_agent_icon = |agent_id: &AgentId| -> (IconName, Option<SharedString>) {
 875            let agent = Agent::from(agent_id.clone());
 876            let icon = match agent {
 877                Agent::NativeAgent => IconName::ZedAgent,
 878                Agent::Custom { .. } => IconName::Terminal,
 879            };
 880            let icon_from_external_svg = agent_server_store
 881                .as_ref()
 882                .and_then(|store| store.read(cx).agent_icon(&agent_id));
 883            (icon, icon_from_external_svg)
 884        };
 885
 886        let groups: Vec<_> = mw.project_groups(cx).collect();
 887
 888        let mut all_paths: Vec<PathBuf> = groups
 889            .iter()
 890            .flat_map(|(key, _)| key.path_list().paths().iter().cloned())
 891            .collect();
 892        all_paths.sort();
 893        all_paths.dedup();
 894        let path_details =
 895            util::disambiguate::compute_disambiguation_details(&all_paths, |path, detail| {
 896                project::path_suffix(path, detail)
 897            });
 898        let path_detail_map: HashMap<PathBuf, usize> =
 899            all_paths.into_iter().zip(path_details).collect();
 900
 901        for (group_key, group_workspaces) in &groups {
 902            if group_key.path_list().paths().is_empty() {
 903                continue;
 904            }
 905
 906            let label = group_key.display_name(&path_detail_map);
 907
 908            let is_collapsed = self.collapsed_groups.contains(&group_key);
 909            let should_load_threads = !is_collapsed || !query.is_empty();
 910
 911            let is_active = active_workspace
 912                .as_ref()
 913                .is_some_and(|active| group_workspaces.contains(active));
 914
 915            // Collect live thread infos from all workspaces in this group.
 916            let live_infos: Vec<_> = group_workspaces
 917                .iter()
 918                .flat_map(|ws| all_thread_infos_for_workspace(ws, cx))
 919                .collect();
 920
 921            let mut threads: Vec<ThreadEntry> = Vec::new();
 922            let mut has_running_threads = false;
 923            let mut waiting_thread_count: usize = 0;
 924
 925            if should_load_threads {
 926                let mut seen_session_ids: HashSet<acp::SessionId> = HashSet::new();
 927                let thread_store = ThreadMetadataStore::global(cx);
 928
 929                // Build a lookup from workspace root paths to their workspace
 930                // entity, used to assign ThreadEntryWorkspace::Open for threads
 931                // whose folder_paths match an open workspace.
 932                let workspace_by_path_list: HashMap<PathList, &Entity<Workspace>> =
 933                    group_workspaces
 934                        .iter()
 935                        .map(|ws| (workspace_path_list(ws, cx), ws))
 936                        .collect();
 937
 938                // Resolve a ThreadEntryWorkspace for a thread row. If any open
 939                // workspace's root paths match the thread's folder_paths, use
 940                // Open; otherwise use Closed.
 941                let resolve_workspace = |row: &ThreadMetadata| -> ThreadEntryWorkspace {
 942                    workspace_by_path_list
 943                        .get(&row.folder_paths)
 944                        .map(|ws| ThreadEntryWorkspace::Open((*ws).clone()))
 945                        .unwrap_or_else(|| ThreadEntryWorkspace::Closed {
 946                            folder_paths: row.folder_paths.clone(),
 947                            project_group_key: group_key.clone(),
 948                        })
 949                };
 950
 951                // Build a ThreadEntry from a metadata row.
 952                let make_thread_entry = |row: ThreadMetadata,
 953                                         workspace: ThreadEntryWorkspace|
 954                 -> ThreadEntry {
 955                    let (icon, icon_from_external_svg) = resolve_agent_icon(&row.agent_id);
 956                    let worktrees: Vec<WorktreeInfo> =
 957                        worktree_info_from_thread_paths(&row.folder_paths, &group_key).collect();
 958                    ThreadEntry {
 959                        metadata: row,
 960                        icon,
 961                        icon_from_external_svg,
 962                        status: AgentThreadStatus::default(),
 963                        workspace,
 964                        is_live: false,
 965                        is_background: false,
 966                        is_title_generating: false,
 967                        highlight_positions: Vec::new(),
 968                        worktrees,
 969                        diff_stats: DiffStats::default(),
 970                    }
 971                };
 972
 973                // Main code path: one query per group via main_worktree_paths.
 974                // The main_worktree_paths column is set on all new threads and
 975                // points to the group's canonical paths regardless of which
 976                // linked worktree the thread was opened in.
 977                for row in thread_store
 978                    .read(cx)
 979                    .entries_for_main_worktree_path(group_key.path_list())
 980                    .cloned()
 981                {
 982                    if !seen_session_ids.insert(row.session_id.clone()) {
 983                        continue;
 984                    }
 985                    let workspace = resolve_workspace(&row);
 986                    threads.push(make_thread_entry(row, workspace));
 987                }
 988
 989                // Legacy threads did not have `main_worktree_paths` populated, so they
 990                // must be queried by their `folder_paths`.
 991
 992                // Load any legacy threads for the main worktrees of this project group.
 993                for row in thread_store
 994                    .read(cx)
 995                    .entries_for_path(group_key.path_list())
 996                    .cloned()
 997                {
 998                    if !seen_session_ids.insert(row.session_id.clone()) {
 999                        continue;
1000                    }
1001                    let workspace = resolve_workspace(&row);
1002                    threads.push(make_thread_entry(row, workspace));
1003                }
1004
1005                // Load any legacy threads for any single linked wortree of this project group.
1006                let mut linked_worktree_paths = HashSet::new();
1007                for workspace in group_workspaces {
1008                    if workspace.read(cx).visible_worktrees(cx).count() != 1 {
1009                        continue;
1010                    }
1011                    for snapshot in root_repository_snapshots(workspace, cx) {
1012                        for linked_worktree in snapshot.linked_worktrees() {
1013                            linked_worktree_paths.insert(linked_worktree.path.clone());
1014                        }
1015                    }
1016                }
1017                for path in linked_worktree_paths {
1018                    let worktree_path_list = PathList::new(std::slice::from_ref(&path));
1019                    for row in thread_store
1020                        .read(cx)
1021                        .entries_for_path(&worktree_path_list)
1022                        .cloned()
1023                    {
1024                        if !seen_session_ids.insert(row.session_id.clone()) {
1025                            continue;
1026                        }
1027                        threads.push(make_thread_entry(
1028                            row,
1029                            ThreadEntryWorkspace::Closed {
1030                                folder_paths: worktree_path_list.clone(),
1031                                project_group_key: group_key.clone(),
1032                            },
1033                        ));
1034                    }
1035                }
1036
1037                // Build a lookup from live_infos and compute running/waiting
1038                // counts in a single pass.
1039                let mut live_info_by_session: HashMap<&acp::SessionId, &ActiveThreadInfo> =
1040                    HashMap::new();
1041                for info in &live_infos {
1042                    live_info_by_session.insert(&info.session_id, info);
1043                    if info.status == AgentThreadStatus::Running {
1044                        has_running_threads = true;
1045                    }
1046                    if info.status == AgentThreadStatus::WaitingForConfirmation {
1047                        waiting_thread_count += 1;
1048                    }
1049                }
1050
1051                // Merge live info into threads and update notification state
1052                // in a single pass.
1053                for thread in &mut threads {
1054                    if let Some(info) = live_info_by_session.get(&thread.metadata.session_id) {
1055                        thread.apply_active_info(info);
1056                    }
1057
1058                    let session_id = &thread.metadata.session_id;
1059
1060                    let is_active_thread = self.active_entry.as_ref().is_some_and(|entry| {
1061                        entry.is_active_thread(session_id)
1062                            && active_workspace
1063                                .as_ref()
1064                                .is_some_and(|active| active == entry.workspace())
1065                    });
1066
1067                    if thread.status == AgentThreadStatus::Completed
1068                        && !is_active_thread
1069                        && old_statuses.get(session_id) == Some(&AgentThreadStatus::Running)
1070                    {
1071                        notified_threads.insert(session_id.clone());
1072                    }
1073
1074                    if is_active_thread && !thread.is_background {
1075                        notified_threads.remove(session_id);
1076                    }
1077                }
1078
1079                threads.sort_by(|a, b| {
1080                    let a_time = self
1081                        .thread_last_message_sent_or_queued
1082                        .get(&a.metadata.session_id)
1083                        .copied()
1084                        .or(a.metadata.created_at)
1085                        .or(Some(a.metadata.updated_at));
1086                    let b_time = self
1087                        .thread_last_message_sent_or_queued
1088                        .get(&b.metadata.session_id)
1089                        .copied()
1090                        .or(b.metadata.created_at)
1091                        .or(Some(b.metadata.updated_at));
1092                    b_time.cmp(&a_time)
1093                });
1094            } else {
1095                for info in live_infos {
1096                    if info.status == AgentThreadStatus::Running {
1097                        has_running_threads = true;
1098                    }
1099                    if info.status == AgentThreadStatus::WaitingForConfirmation {
1100                        waiting_thread_count += 1;
1101                    }
1102                }
1103            }
1104
1105            let has_threads = if !threads.is_empty() {
1106                true
1107            } else {
1108                let store = ThreadMetadataStore::global(cx).read(cx);
1109                store
1110                    .entries_for_main_worktree_path(group_key.path_list())
1111                    .next()
1112                    .is_some()
1113                    || store
1114                        .entries_for_path(group_key.path_list())
1115                        .next()
1116                        .is_some()
1117            };
1118
1119            if !query.is_empty() {
1120                let workspace_highlight_positions =
1121                    fuzzy_match_positions(&query, &label).unwrap_or_default();
1122                let workspace_matched = !workspace_highlight_positions.is_empty();
1123
1124                let mut matched_threads: Vec<ThreadEntry> = Vec::new();
1125                for mut thread in threads {
1126                    let title: &str = &thread.metadata.title;
1127                    if let Some(positions) = fuzzy_match_positions(&query, title) {
1128                        thread.highlight_positions = positions;
1129                    }
1130                    let mut worktree_matched = false;
1131                    for worktree in &mut thread.worktrees {
1132                        if let Some(positions) = fuzzy_match_positions(&query, &worktree.name) {
1133                            worktree.highlight_positions = positions;
1134                            worktree_matched = true;
1135                        }
1136                    }
1137                    if workspace_matched
1138                        || !thread.highlight_positions.is_empty()
1139                        || worktree_matched
1140                    {
1141                        matched_threads.push(thread);
1142                    }
1143                }
1144
1145                if matched_threads.is_empty() && !workspace_matched {
1146                    continue;
1147                }
1148
1149                project_header_indices.push(entries.len());
1150                entries.push(ListEntry::ProjectHeader {
1151                    key: group_key.clone(),
1152                    label,
1153                    highlight_positions: workspace_highlight_positions,
1154                    has_running_threads,
1155                    waiting_thread_count,
1156                    is_active,
1157                    has_threads,
1158                });
1159
1160                for thread in matched_threads {
1161                    current_session_ids.insert(thread.metadata.session_id.clone());
1162                    entries.push(thread.into());
1163                }
1164            } else {
1165                let is_draft_for_group = is_active
1166                    && matches!(&self.active_entry, Some(ActiveEntry::Draft(ws)) if group_workspaces.contains(ws));
1167
1168                project_header_indices.push(entries.len());
1169                entries.push(ListEntry::ProjectHeader {
1170                    key: group_key.clone(),
1171                    label,
1172                    highlight_positions: Vec::new(),
1173                    has_running_threads,
1174                    waiting_thread_count,
1175                    is_active,
1176                    has_threads,
1177                });
1178
1179                if is_collapsed {
1180                    continue;
1181                }
1182
1183                // Emit a DraftThread entry when the active draft belongs to this group.
1184                if is_draft_for_group {
1185                    if let Some(ActiveEntry::Draft(draft_ws)) = &self.active_entry {
1186                        let ws_path_list = workspace_path_list(draft_ws, cx);
1187                        let worktrees = worktree_info_from_thread_paths(&ws_path_list, &group_key);
1188                        entries.push(ListEntry::DraftThread {
1189                            key: group_key.clone(),
1190                            workspace: None,
1191                            worktrees: worktrees.collect(),
1192                        });
1193                    }
1194                }
1195
1196                // Emit a DraftThread for each open linked worktree workspace
1197                // that has no threads. Skip the specific workspace that is
1198                // showing the active draft (it already has a DraftThread entry
1199                // from the block above).
1200                {
1201                    let draft_ws_id = if is_draft_for_group {
1202                        self.active_entry.as_ref().and_then(|e| match e {
1203                            ActiveEntry::Draft(ws) => Some(ws.entity_id()),
1204                            _ => None,
1205                        })
1206                    } else {
1207                        None
1208                    };
1209                    let thread_store = ThreadMetadataStore::global(cx);
1210                    for ws in group_workspaces {
1211                        if Some(ws.entity_id()) == draft_ws_id {
1212                            continue;
1213                        }
1214                        let ws_path_list = workspace_path_list(ws, cx);
1215                        let has_linked_worktrees =
1216                            worktree_info_from_thread_paths(&ws_path_list, &group_key)
1217                                .any(|wt| wt.kind == ui::WorktreeKind::Linked);
1218                        if !has_linked_worktrees {
1219                            continue;
1220                        }
1221                        let store = thread_store.read(cx);
1222                        let has_threads = store.entries_for_path(&ws_path_list).next().is_some()
1223                            || store
1224                                .entries_for_main_worktree_path(&ws_path_list)
1225                                .next()
1226                                .is_some();
1227                        if has_threads {
1228                            continue;
1229                        }
1230                        let worktrees: Vec<WorktreeInfo> =
1231                            worktree_info_from_thread_paths(&ws_path_list, &group_key).collect();
1232
1233                        entries.push(ListEntry::DraftThread {
1234                            key: group_key.clone(),
1235                            workspace: Some(ws.clone()),
1236                            worktrees,
1237                        });
1238                    }
1239                }
1240
1241                let total = threads.len();
1242
1243                let extra_batches = self.expanded_groups.get(&group_key).copied().unwrap_or(0);
1244                let threads_to_show =
1245                    DEFAULT_THREADS_SHOWN + (extra_batches * DEFAULT_THREADS_SHOWN);
1246                let count = threads_to_show.min(total);
1247
1248                let mut promoted_threads: HashSet<acp::SessionId> = HashSet::new();
1249
1250                // Build visible entries in a single pass. Threads within
1251                // the cutoff are always shown. Threads beyond it are shown
1252                // only if they should be promoted (running, waiting, or
1253                // focused)
1254                for (index, thread) in threads.into_iter().enumerate() {
1255                    let is_hidden = index >= count;
1256
1257                    let session_id = &thread.metadata.session_id;
1258                    if is_hidden {
1259                        let is_promoted = thread.status == AgentThreadStatus::Running
1260                            || thread.status == AgentThreadStatus::WaitingForConfirmation
1261                            || notified_threads.contains(session_id)
1262                            || self.active_entry.as_ref().is_some_and(|active| {
1263                                active.matches_entry(&ListEntry::Thread(thread.clone()))
1264                            });
1265                        if is_promoted {
1266                            promoted_threads.insert(session_id.clone());
1267                        }
1268                        if !promoted_threads.contains(session_id) {
1269                            continue;
1270                        }
1271                    }
1272
1273                    current_session_ids.insert(session_id.clone());
1274                    entries.push(thread.into());
1275                }
1276
1277                let visible = count + promoted_threads.len();
1278                let is_fully_expanded = visible >= total;
1279
1280                if total > DEFAULT_THREADS_SHOWN {
1281                    entries.push(ListEntry::ViewMore {
1282                        key: group_key.clone(),
1283                        is_fully_expanded,
1284                    });
1285                }
1286            }
1287        }
1288
1289        // Prune stale notifications using the session IDs we collected during
1290        // the build pass (no extra scan needed).
1291        notified_threads.retain(|id| current_session_ids.contains(id));
1292
1293        self.thread_last_accessed
1294            .retain(|id, _| current_session_ids.contains(id));
1295        self.thread_last_message_sent_or_queued
1296            .retain(|id, _| current_session_ids.contains(id));
1297
1298        self.contents = SidebarContents {
1299            entries,
1300            notified_threads,
1301            project_header_indices,
1302            has_open_projects,
1303        };
1304    }
1305
1306    /// Rebuilds the sidebar's visible entries from already-cached state.
1307    fn update_entries(&mut self, cx: &mut Context<Self>) {
1308        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
1309            return;
1310        };
1311        if !multi_workspace.read(cx).multi_workspace_enabled(cx) {
1312            return;
1313        }
1314
1315        let had_notifications = self.has_notifications(cx);
1316        let scroll_position = self.list_state.logical_scroll_top();
1317
1318        self.rebuild_contents(cx);
1319
1320        self.list_state.reset(self.contents.entries.len());
1321        self.list_state.scroll_to(scroll_position);
1322
1323        if had_notifications != self.has_notifications(cx) {
1324            multi_workspace.update(cx, |_, cx| {
1325                cx.notify();
1326            });
1327        }
1328
1329        cx.notify();
1330    }
1331
1332    fn select_first_entry(&mut self) {
1333        self.selection = self
1334            .contents
1335            .entries
1336            .iter()
1337            .position(|entry| matches!(entry, ListEntry::Thread(_)))
1338            .or_else(|| {
1339                if self.contents.entries.is_empty() {
1340                    None
1341                } else {
1342                    Some(0)
1343                }
1344            });
1345    }
1346
1347    fn render_list_entry(
1348        &mut self,
1349        ix: usize,
1350        window: &mut Window,
1351        cx: &mut Context<Self>,
1352    ) -> AnyElement {
1353        let Some(entry) = self.contents.entries.get(ix) else {
1354            return div().into_any_element();
1355        };
1356        let is_focused = self.focus_handle.is_focused(window);
1357        // is_selected means the keyboard selector is here.
1358        let is_selected = is_focused && self.selection == Some(ix);
1359
1360        let is_group_header_after_first =
1361            ix > 0 && matches!(entry, ListEntry::ProjectHeader { .. });
1362
1363        let is_active = self
1364            .active_entry
1365            .as_ref()
1366            .is_some_and(|active| active.matches_entry(entry));
1367
1368        let rendered = match entry {
1369            ListEntry::ProjectHeader {
1370                key,
1371                label,
1372                highlight_positions,
1373                has_running_threads,
1374                waiting_thread_count,
1375                is_active: is_active_group,
1376                has_threads,
1377            } => self.render_project_header(
1378                ix,
1379                false,
1380                key,
1381                label,
1382                highlight_positions,
1383                *has_running_threads,
1384                *waiting_thread_count,
1385                *is_active_group,
1386                is_selected,
1387                *has_threads,
1388                cx,
1389            ),
1390            ListEntry::Thread(thread) => self.render_thread(ix, thread, is_active, is_selected, cx),
1391            ListEntry::ViewMore {
1392                key,
1393                is_fully_expanded,
1394            } => self.render_view_more(ix, key, *is_fully_expanded, is_selected, cx),
1395            ListEntry::DraftThread {
1396                key,
1397                workspace,
1398                worktrees,
1399            } => {
1400                if workspace.is_some() {
1401                    self.render_new_thread(ix, key, worktrees, workspace.as_ref(), is_selected, cx)
1402                } else {
1403                    self.render_draft_thread(ix, is_active, worktrees, is_selected, cx)
1404                }
1405            }
1406        };
1407
1408        if is_group_header_after_first {
1409            v_flex()
1410                .w_full()
1411                .border_t_1()
1412                .border_color(cx.theme().colors().border)
1413                .child(rendered)
1414                .into_any_element()
1415        } else {
1416            rendered
1417        }
1418    }
1419
1420    fn render_remote_project_icon(
1421        &self,
1422        ix: usize,
1423        host: Option<&RemoteConnectionOptions>,
1424    ) -> Option<AnyElement> {
1425        let remote_icon_per_type = match host? {
1426            RemoteConnectionOptions::Wsl(_) => IconName::Linux,
1427            RemoteConnectionOptions::Docker(_) => IconName::Box,
1428            _ => IconName::Server,
1429        };
1430
1431        Some(
1432            div()
1433                .id(format!("remote-project-icon-{}", ix))
1434                .child(
1435                    Icon::new(remote_icon_per_type)
1436                        .size(IconSize::XSmall)
1437                        .color(Color::Muted),
1438                )
1439                .tooltip(Tooltip::text("Remote Project"))
1440                .into_any_element(),
1441        )
1442    }
1443
1444    fn render_project_header(
1445        &self,
1446        ix: usize,
1447        is_sticky: bool,
1448        key: &ProjectGroupKey,
1449        label: &SharedString,
1450        highlight_positions: &[usize],
1451        has_running_threads: bool,
1452        waiting_thread_count: usize,
1453        is_active: bool,
1454        is_focused: bool,
1455        has_threads: bool,
1456        cx: &mut Context<Self>,
1457    ) -> AnyElement {
1458        let host = key.host();
1459
1460        let id_prefix = if is_sticky { "sticky-" } else { "" };
1461        let id = SharedString::from(format!("{id_prefix}project-header-{ix}"));
1462        let disclosure_id = SharedString::from(format!("disclosure-{ix}"));
1463        let group_name = SharedString::from(format!("{id_prefix}header-group-{ix}"));
1464
1465        let is_collapsed = self.collapsed_groups.contains(key);
1466        let (disclosure_icon, disclosure_tooltip) = if is_collapsed {
1467            (IconName::ChevronRight, "Expand Project")
1468        } else {
1469            (IconName::ChevronDown, "Collapse Project")
1470        };
1471
1472        let has_new_thread_entry = self
1473            .contents
1474            .entries
1475            .get(ix + 1)
1476            .is_some_and(|entry| matches!(entry, ListEntry::DraftThread { .. }));
1477        let show_new_thread_button = !has_new_thread_entry && !self.has_filter_query(cx);
1478        let workspace = self.multi_workspace.upgrade().and_then(|mw| {
1479            mw.read(cx)
1480                .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
1481        });
1482
1483        let key_for_toggle = key.clone();
1484        let key_for_collapse = key.clone();
1485        let view_more_expanded = self.expanded_groups.contains_key(key);
1486
1487        let label = if highlight_positions.is_empty() {
1488            Label::new(label.clone())
1489                .when(!is_active, |this| this.color(Color::Muted))
1490                .into_any_element()
1491        } else {
1492            HighlightedLabel::new(label.clone(), highlight_positions.to_vec())
1493                .when(!is_active, |this| this.color(Color::Muted))
1494                .into_any_element()
1495        };
1496
1497        let color = cx.theme().colors();
1498        let hover_color = color
1499            .element_active
1500            .blend(color.element_background.opacity(0.2));
1501
1502        let is_ellipsis_menu_open = self.project_header_menu_ix == Some(ix);
1503
1504        h_flex()
1505            .id(id)
1506            .group(&group_name)
1507            .h(Tab::content_height(cx))
1508            .w_full()
1509            .pl(px(5.))
1510            .pr_1p5()
1511            .border_1()
1512            .map(|this| {
1513                if is_focused {
1514                    this.border_color(color.border_focused)
1515                } else {
1516                    this.border_color(gpui::transparent_black())
1517                }
1518            })
1519            .justify_between()
1520            .child(
1521                h_flex()
1522                    .relative()
1523                    .min_w_0()
1524                    .w_full()
1525                    .gap(px(5.))
1526                    .child(
1527                        IconButton::new(disclosure_id, disclosure_icon)
1528                            .shape(ui::IconButtonShape::Square)
1529                            .icon_size(IconSize::Small)
1530                            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.5)))
1531                            .tooltip(Tooltip::text(disclosure_tooltip))
1532                            .on_click(cx.listener(move |this, _, window, cx| {
1533                                this.selection = None;
1534                                this.toggle_collapse(&key_for_toggle, window, cx);
1535                            })),
1536                    )
1537                    .child(label)
1538                    .when_some(
1539                        self.render_remote_project_icon(ix, host.as_ref()),
1540                        |this, icon| this.child(icon),
1541                    )
1542                    .when(is_collapsed, |this| {
1543                        this.when(has_running_threads, |this| {
1544                            this.child(
1545                                Icon::new(IconName::LoadCircle)
1546                                    .size(IconSize::XSmall)
1547                                    .color(Color::Muted)
1548                                    .with_rotate_animation(2),
1549                            )
1550                        })
1551                        .when(waiting_thread_count > 0, |this| {
1552                            let tooltip_text = if waiting_thread_count == 1 {
1553                                "1 thread is waiting for confirmation".to_string()
1554                            } else {
1555                                format!(
1556                                    "{waiting_thread_count} threads are waiting for confirmation",
1557                                )
1558                            };
1559                            this.child(
1560                                div()
1561                                    .id(format!("{id_prefix}waiting-indicator-{ix}"))
1562                                    .child(
1563                                        Icon::new(IconName::Warning)
1564                                            .size(IconSize::XSmall)
1565                                            .color(Color::Warning),
1566                                    )
1567                                    .tooltip(Tooltip::text(tooltip_text)),
1568                            )
1569                        })
1570                    }),
1571            )
1572            .child(
1573                h_flex()
1574                    .when(!is_ellipsis_menu_open, |this| {
1575                        this.visible_on_hover(&group_name)
1576                    })
1577                    .on_mouse_down(gpui::MouseButton::Left, |_, _, cx| {
1578                        cx.stop_propagation();
1579                    })
1580                    .child(self.render_project_header_ellipsis_menu(ix, id_prefix, key, cx))
1581                    .when(view_more_expanded && !is_collapsed, |this| {
1582                        this.child(
1583                            IconButton::new(
1584                                SharedString::from(format!(
1585                                    "{id_prefix}project-header-collapse-{ix}",
1586                                )),
1587                                IconName::ListCollapse,
1588                            )
1589                            .icon_size(IconSize::Small)
1590                            .tooltip(Tooltip::text("Collapse Displayed Threads"))
1591                            .on_click(cx.listener({
1592                                let key_for_collapse = key_for_collapse.clone();
1593                                move |this, _, _window, cx| {
1594                                    this.selection = None;
1595                                    this.expanded_groups.remove(&key_for_collapse);
1596                                    this.serialize(cx);
1597                                    this.update_entries(cx);
1598                                }
1599                            })),
1600                        )
1601                    })
1602                    .when_some(
1603                        workspace.filter(|_| show_new_thread_button),
1604                        |this, workspace| {
1605                            let key = key.clone();
1606                            let focus_handle = self.focus_handle.clone();
1607                            this.child(
1608                                IconButton::new(
1609                                    SharedString::from(format!(
1610                                        "{id_prefix}project-header-new-thread-{ix}",
1611                                    )),
1612                                    IconName::Plus,
1613                                )
1614                                .icon_size(IconSize::Small)
1615                                .tooltip(move |_, cx| {
1616                                    Tooltip::for_action_in(
1617                                        "New Thread",
1618                                        &NewThread,
1619                                        &focus_handle,
1620                                        cx,
1621                                    )
1622                                })
1623                                .on_click(cx.listener(
1624                                    move |this, _, window, cx| {
1625                                        this.collapsed_groups.remove(&key);
1626                                        this.selection = None;
1627                                        this.create_new_thread(&workspace, window, cx);
1628                                    },
1629                                )),
1630                            )
1631                        },
1632                    ),
1633            )
1634            .map(|this| {
1635                if !has_threads && is_active {
1636                    this
1637                } else {
1638                    let key = key.clone();
1639                    this.cursor_pointer()
1640                        .when(!is_active, |this| this.hover(|s| s.bg(hover_color)))
1641                        .tooltip(Tooltip::text("Open Workspace"))
1642                        .on_click(cx.listener(move |this, _, window, cx| {
1643                            if let Some(workspace) = this.multi_workspace.upgrade().and_then(|mw| {
1644                                mw.read(cx).workspace_for_paths(
1645                                    key.path_list(),
1646                                    key.host().as_ref(),
1647                                    cx,
1648                                )
1649                            }) {
1650                                this.active_entry = Some(ActiveEntry::Draft(workspace.clone()));
1651                                if let Some(multi_workspace) = this.multi_workspace.upgrade() {
1652                                    multi_workspace.update(cx, |multi_workspace, cx| {
1653                                        multi_workspace.activate(workspace.clone(), window, cx);
1654                                    });
1655                                }
1656                                if AgentPanel::is_visible(&workspace, cx) {
1657                                    workspace.update(cx, |workspace, cx| {
1658                                        workspace.focus_panel::<AgentPanel>(window, cx);
1659                                    });
1660                                }
1661                            } else {
1662                                this.open_workspace_for_group(&key, window, cx);
1663                            }
1664                        }))
1665                }
1666            })
1667            .into_any_element()
1668    }
1669
1670    fn render_project_header_ellipsis_menu(
1671        &self,
1672        ix: usize,
1673        id_prefix: &str,
1674        project_group_key: &ProjectGroupKey,
1675        cx: &mut Context<Self>,
1676    ) -> impl IntoElement {
1677        let multi_workspace = self.multi_workspace.clone();
1678        let this = cx.weak_entity();
1679        let project_group_key = project_group_key.clone();
1680
1681        PopoverMenu::new(format!("{id_prefix}project-header-menu-{ix}"))
1682            .on_open(Rc::new({
1683                let this = this.clone();
1684                move |_window, cx| {
1685                    this.update(cx, |sidebar, cx| {
1686                        sidebar.project_header_menu_ix = Some(ix);
1687                        cx.notify();
1688                    })
1689                    .ok();
1690                }
1691            }))
1692            .menu(move |window, cx| {
1693                let multi_workspace = multi_workspace.clone();
1694                let project_group_key = project_group_key.clone();
1695
1696                let menu =
1697                    ContextMenu::build_persistent(window, cx, move |menu, _window, menu_cx| {
1698                        let mut menu = menu
1699                            .header("Project Folders")
1700                            .end_slot_action(Box::new(menu::EndSlot));
1701
1702                        for path in project_group_key.path_list().paths() {
1703                            let Some(name) = path.file_name() else {
1704                                continue;
1705                            };
1706                            let name: SharedString = name.to_string_lossy().into_owned().into();
1707                            let path = path.clone();
1708                            let project_group_key = project_group_key.clone();
1709                            let multi_workspace = multi_workspace.clone();
1710                            menu = menu.entry_with_end_slot_on_hover(
1711                                name.clone(),
1712                                None,
1713                                |_, _| {},
1714                                IconName::Close,
1715                                "Remove Folder".into(),
1716                                move |_window, cx| {
1717                                    multi_workspace
1718                                        .update(cx, |multi_workspace, cx| {
1719                                            multi_workspace.remove_folder_from_project_group(
1720                                                &project_group_key,
1721                                                &path,
1722                                                cx,
1723                                            );
1724                                        })
1725                                        .ok();
1726                                },
1727                            );
1728                        }
1729
1730                        let menu = menu.separator().entry(
1731                            "Add Folder to Project",
1732                            Some(Box::new(AddFolderToProject)),
1733                            {
1734                                let project_group_key = project_group_key.clone();
1735                                let multi_workspace = multi_workspace.clone();
1736                                move |window, cx| {
1737                                    multi_workspace
1738                                        .update(cx, |multi_workspace, cx| {
1739                                            multi_workspace.prompt_to_add_folders_to_project_group(
1740                                                &project_group_key,
1741                                                window,
1742                                                cx,
1743                                            );
1744                                        })
1745                                        .ok();
1746                                }
1747                            },
1748                        );
1749
1750                        let project_group_key = project_group_key.clone();
1751                        let multi_workspace = multi_workspace.clone();
1752                        let weak_menu = menu_cx.weak_entity();
1753                        menu.separator()
1754                            .entry("Remove Project", None, move |window, cx| {
1755                                multi_workspace
1756                                    .update(cx, |multi_workspace, cx| {
1757                                        multi_workspace
1758                                            .remove_project_group(&project_group_key, window, cx)
1759                                            .detach_and_log_err(cx);
1760                                    })
1761                                    .ok();
1762                                weak_menu.update(cx, |_, cx| cx.emit(DismissEvent)).ok();
1763                            })
1764                    });
1765
1766                let this = this.clone();
1767                window
1768                    .subscribe(&menu, cx, move |_, _: &gpui::DismissEvent, _window, cx| {
1769                        this.update(cx, |sidebar, cx| {
1770                            sidebar.project_header_menu_ix = None;
1771                            cx.notify();
1772                        })
1773                        .ok();
1774                    })
1775                    .detach();
1776
1777                Some(menu)
1778            })
1779            .trigger(
1780                IconButton::new(
1781                    SharedString::from(format!("{id_prefix}-ellipsis-menu-{ix}")),
1782                    IconName::Ellipsis,
1783                )
1784                .selected_style(ButtonStyle::Tinted(TintColor::Accent))
1785                .icon_size(IconSize::Small),
1786            )
1787            .anchor(gpui::Corner::TopRight)
1788            .offset(gpui::Point {
1789                x: px(0.),
1790                y: px(1.),
1791            })
1792    }
1793
1794    fn render_sticky_header(
1795        &self,
1796        window: &mut Window,
1797        cx: &mut Context<Self>,
1798    ) -> Option<AnyElement> {
1799        let scroll_top = self.list_state.logical_scroll_top();
1800
1801        let &header_idx = self
1802            .contents
1803            .project_header_indices
1804            .iter()
1805            .rev()
1806            .find(|&&idx| idx <= scroll_top.item_ix)?;
1807
1808        let needs_sticky = header_idx < scroll_top.item_ix
1809            || (header_idx == scroll_top.item_ix && scroll_top.offset_in_item > px(0.));
1810
1811        if !needs_sticky {
1812            return None;
1813        }
1814
1815        let ListEntry::ProjectHeader {
1816            key,
1817            label,
1818            highlight_positions,
1819            has_running_threads,
1820            waiting_thread_count,
1821            is_active,
1822            has_threads,
1823        } = self.contents.entries.get(header_idx)?
1824        else {
1825            return None;
1826        };
1827
1828        let is_focused = self.focus_handle.is_focused(window);
1829        let is_selected = is_focused && self.selection == Some(header_idx);
1830
1831        let header_element = self.render_project_header(
1832            header_idx,
1833            true,
1834            key,
1835            &label,
1836            &highlight_positions,
1837            *has_running_threads,
1838            *waiting_thread_count,
1839            *is_active,
1840            *has_threads,
1841            is_selected,
1842            cx,
1843        );
1844
1845        let top_offset = self
1846            .contents
1847            .project_header_indices
1848            .iter()
1849            .find(|&&idx| idx > header_idx)
1850            .and_then(|&next_idx| {
1851                let bounds = self.list_state.bounds_for_item(next_idx)?;
1852                let viewport = self.list_state.viewport_bounds();
1853                let y_in_viewport = bounds.origin.y - viewport.origin.y;
1854                let header_height = bounds.size.height;
1855                (y_in_viewport < header_height).then_some(y_in_viewport - header_height)
1856            })
1857            .unwrap_or(px(0.));
1858
1859        let color = cx.theme().colors();
1860        let background = color
1861            .title_bar_background
1862            .blend(color.panel_background.opacity(0.2));
1863
1864        let element = v_flex()
1865            .absolute()
1866            .top(top_offset)
1867            .left_0()
1868            .w_full()
1869            .bg(background)
1870            .border_b_1()
1871            .border_color(color.border.opacity(0.5))
1872            .child(header_element)
1873            .shadow_xs()
1874            .into_any_element();
1875
1876        Some(element)
1877    }
1878
1879    fn toggle_collapse(
1880        &mut self,
1881        project_group_key: &ProjectGroupKey,
1882        _window: &mut Window,
1883        cx: &mut Context<Self>,
1884    ) {
1885        if self.collapsed_groups.contains(project_group_key) {
1886            self.collapsed_groups.remove(project_group_key);
1887        } else {
1888            self.collapsed_groups.insert(project_group_key.clone());
1889        }
1890        self.serialize(cx);
1891        self.update_entries(cx);
1892    }
1893
1894    fn dispatch_context(&self, window: &Window, cx: &Context<Self>) -> KeyContext {
1895        let mut dispatch_context = KeyContext::new_with_defaults();
1896        dispatch_context.add("ThreadsSidebar");
1897        dispatch_context.add("menu");
1898
1899        let is_archived_search_focused = matches!(&self.view, SidebarView::Archive(archive) if archive.read(cx).is_filter_editor_focused(window, cx));
1900
1901        let identifier = if self.filter_editor.focus_handle(cx).is_focused(window)
1902            || is_archived_search_focused
1903        {
1904            "searching"
1905        } else {
1906            "not_searching"
1907        };
1908
1909        dispatch_context.add(identifier);
1910        dispatch_context
1911    }
1912
1913    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1914        if !self.focus_handle.is_focused(window) {
1915            return;
1916        }
1917
1918        if let SidebarView::Archive(archive) = &self.view {
1919            let has_selection = archive.read(cx).has_selection();
1920            if !has_selection {
1921                archive.update(cx, |view, cx| view.focus_filter_editor(window, cx));
1922            }
1923        } else if self.selection.is_none() {
1924            self.filter_editor.focus_handle(cx).focus(window, cx);
1925        }
1926    }
1927
1928    fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
1929        if self.reset_filter_editor_text(window, cx) {
1930            self.update_entries(cx);
1931        } else {
1932            self.selection = None;
1933            self.filter_editor.focus_handle(cx).focus(window, cx);
1934            cx.notify();
1935        }
1936    }
1937
1938    fn focus_sidebar_filter(
1939        &mut self,
1940        _: &FocusSidebarFilter,
1941        window: &mut Window,
1942        cx: &mut Context<Self>,
1943    ) {
1944        self.selection = None;
1945        if let SidebarView::Archive(archive) = &self.view {
1946            archive.update(cx, |view, cx| {
1947                view.clear_selection();
1948                view.focus_filter_editor(window, cx);
1949            });
1950        } else {
1951            self.filter_editor.focus_handle(cx).focus(window, cx);
1952        }
1953
1954        // When vim mode is active, the editor defaults to normal mode which
1955        // blocks text input. Switch to insert mode so the user can type
1956        // immediately.
1957        if vim_mode_setting::VimModeSetting::get_global(cx).0 {
1958            if let Ok(action) = cx.build_action("vim::SwitchToInsertMode", None) {
1959                window.dispatch_action(action, cx);
1960            }
1961        }
1962
1963        cx.notify();
1964    }
1965
1966    fn reset_filter_editor_text(&mut self, window: &mut Window, cx: &mut Context<Self>) -> bool {
1967        self.filter_editor.update(cx, |editor, cx| {
1968            if editor.buffer().read(cx).len(cx).0 > 0 {
1969                editor.set_text("", window, cx);
1970                true
1971            } else {
1972                false
1973            }
1974        })
1975    }
1976
1977    fn has_filter_query(&self, cx: &App) -> bool {
1978        !self.filter_editor.read(cx).text(cx).is_empty()
1979    }
1980
1981    fn editor_move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
1982        self.select_next(&SelectNext, window, cx);
1983        if self.selection.is_some() {
1984            self.focus_handle.focus(window, cx);
1985        }
1986    }
1987
1988    fn editor_move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
1989        self.select_previous(&SelectPrevious, window, cx);
1990        if self.selection.is_some() {
1991            self.focus_handle.focus(window, cx);
1992        }
1993    }
1994
1995    fn editor_confirm(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1996        if self.selection.is_none() {
1997            self.select_next(&SelectNext, window, cx);
1998        }
1999        if self.selection.is_some() {
2000            self.focus_handle.focus(window, cx);
2001        }
2002    }
2003
2004    fn select_next(&mut self, _: &SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
2005        let next = match self.selection {
2006            Some(ix) if ix + 1 < self.contents.entries.len() => ix + 1,
2007            Some(_) if !self.contents.entries.is_empty() => 0,
2008            None if !self.contents.entries.is_empty() => 0,
2009            _ => return,
2010        };
2011        self.selection = Some(next);
2012        self.list_state.scroll_to_reveal_item(next);
2013        cx.notify();
2014    }
2015
2016    fn select_previous(&mut self, _: &SelectPrevious, window: &mut Window, cx: &mut Context<Self>) {
2017        match self.selection {
2018            Some(0) => {
2019                self.selection = None;
2020                self.filter_editor.focus_handle(cx).focus(window, cx);
2021                cx.notify();
2022            }
2023            Some(ix) => {
2024                self.selection = Some(ix - 1);
2025                self.list_state.scroll_to_reveal_item(ix - 1);
2026                cx.notify();
2027            }
2028            None if !self.contents.entries.is_empty() => {
2029                let last = self.contents.entries.len() - 1;
2030                self.selection = Some(last);
2031                self.list_state.scroll_to_reveal_item(last);
2032                cx.notify();
2033            }
2034            None => {}
2035        }
2036    }
2037
2038    fn select_first(&mut self, _: &SelectFirst, _window: &mut Window, cx: &mut Context<Self>) {
2039        if !self.contents.entries.is_empty() {
2040            self.selection = Some(0);
2041            self.list_state.scroll_to_reveal_item(0);
2042            cx.notify();
2043        }
2044    }
2045
2046    fn select_last(&mut self, _: &SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
2047        if let Some(last) = self.contents.entries.len().checked_sub(1) {
2048            self.selection = Some(last);
2049            self.list_state.scroll_to_reveal_item(last);
2050            cx.notify();
2051        }
2052    }
2053
2054    fn confirm(&mut self, _: &Confirm, window: &mut Window, cx: &mut Context<Self>) {
2055        let Some(ix) = self.selection else { return };
2056        let Some(entry) = self.contents.entries.get(ix) else {
2057            return;
2058        };
2059
2060        match entry {
2061            ListEntry::ProjectHeader { key, .. } => {
2062                let key = key.clone();
2063                self.toggle_collapse(&key, window, cx);
2064            }
2065            ListEntry::Thread(thread) => {
2066                let metadata = thread.metadata.clone();
2067                match &thread.workspace {
2068                    ThreadEntryWorkspace::Open(workspace) => {
2069                        let workspace = workspace.clone();
2070                        self.activate_thread(metadata, &workspace, false, window, cx);
2071                    }
2072                    ThreadEntryWorkspace::Closed {
2073                        folder_paths,
2074                        project_group_key,
2075                    } => {
2076                        let folder_paths = folder_paths.clone();
2077                        let project_group_key = project_group_key.clone();
2078                        self.open_workspace_and_activate_thread(
2079                            metadata,
2080                            folder_paths,
2081                            &project_group_key,
2082                            window,
2083                            cx,
2084                        );
2085                    }
2086                }
2087            }
2088            ListEntry::ViewMore {
2089                key,
2090                is_fully_expanded,
2091                ..
2092            } => {
2093                let key = key.clone();
2094                if *is_fully_expanded {
2095                    self.reset_thread_group_expansion(&key, cx);
2096                } else {
2097                    self.expand_thread_group(&key, cx);
2098                }
2099            }
2100            ListEntry::DraftThread { key, workspace, .. } => {
2101                let key = key.clone();
2102                let workspace = workspace.clone();
2103                if let Some(workspace) = workspace.or_else(|| {
2104                    self.multi_workspace.upgrade().and_then(|mw| {
2105                        mw.read(cx)
2106                            .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
2107                    })
2108                }) {
2109                    self.create_new_thread(&workspace, window, cx);
2110                } else {
2111                    self.open_workspace_for_group(&key, window, cx);
2112                }
2113            }
2114        }
2115    }
2116
2117    fn find_workspace_across_windows(
2118        &self,
2119        cx: &App,
2120        predicate: impl Fn(&Entity<Workspace>, &App) -> bool,
2121    ) -> Option<(WindowHandle<MultiWorkspace>, Entity<Workspace>)> {
2122        cx.windows()
2123            .into_iter()
2124            .filter_map(|window| window.downcast::<MultiWorkspace>())
2125            .find_map(|window| {
2126                let workspace = window.read(cx).ok().and_then(|multi_workspace| {
2127                    multi_workspace
2128                        .workspaces()
2129                        .find(|workspace| predicate(workspace, cx))
2130                        .cloned()
2131                })?;
2132                Some((window, workspace))
2133            })
2134    }
2135
2136    fn find_workspace_in_current_window(
2137        &self,
2138        cx: &App,
2139        predicate: impl Fn(&Entity<Workspace>, &App) -> bool,
2140    ) -> Option<Entity<Workspace>> {
2141        self.multi_workspace.upgrade().and_then(|multi_workspace| {
2142            multi_workspace
2143                .read(cx)
2144                .workspaces()
2145                .find(|workspace| predicate(workspace, cx))
2146                .cloned()
2147        })
2148    }
2149
2150    fn load_agent_thread_in_workspace(
2151        workspace: &Entity<Workspace>,
2152        metadata: &ThreadMetadata,
2153        focus: bool,
2154        window: &mut Window,
2155        cx: &mut App,
2156    ) {
2157        workspace.update(cx, |workspace, cx| {
2158            workspace.reveal_panel::<AgentPanel>(window, cx);
2159        });
2160
2161        if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2162            agent_panel.update(cx, |panel, cx| {
2163                panel.load_agent_thread(
2164                    Agent::from(metadata.agent_id.clone()),
2165                    metadata.session_id.clone(),
2166                    Some(metadata.folder_paths.clone()),
2167                    Some(metadata.title.clone()),
2168                    focus,
2169                    window,
2170                    cx,
2171                );
2172            });
2173        }
2174    }
2175
2176    fn activate_thread_locally(
2177        &mut self,
2178        metadata: &ThreadMetadata,
2179        workspace: &Entity<Workspace>,
2180        retain: bool,
2181        window: &mut Window,
2182        cx: &mut Context<Self>,
2183    ) {
2184        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2185            return;
2186        };
2187
2188        // Set active_entry eagerly so the sidebar highlight updates
2189        // immediately, rather than waiting for a deferred AgentPanel
2190        // event which can race with ActiveWorkspaceChanged clearing it.
2191        self.active_entry = Some(ActiveEntry::Thread {
2192            session_id: metadata.session_id.clone(),
2193            workspace: workspace.clone(),
2194        });
2195        self.record_thread_access(&metadata.session_id);
2196
2197        multi_workspace.update(cx, |multi_workspace, cx| {
2198            multi_workspace.activate(workspace.clone(), window, cx);
2199            if retain {
2200                multi_workspace.retain_active_workspace(cx);
2201            }
2202        });
2203
2204        Self::load_agent_thread_in_workspace(workspace, metadata, true, window, cx);
2205
2206        self.update_entries(cx);
2207    }
2208
2209    fn activate_thread_in_other_window(
2210        &self,
2211        metadata: ThreadMetadata,
2212        workspace: Entity<Workspace>,
2213        target_window: WindowHandle<MultiWorkspace>,
2214        cx: &mut Context<Self>,
2215    ) {
2216        let target_session_id = metadata.session_id.clone();
2217        let workspace_for_entry = workspace.clone();
2218
2219        let activated = target_window
2220            .update(cx, |multi_workspace, window, cx| {
2221                window.activate_window();
2222                multi_workspace.activate(workspace.clone(), window, cx);
2223                Self::load_agent_thread_in_workspace(&workspace, &metadata, true, window, cx);
2224            })
2225            .log_err()
2226            .is_some();
2227
2228        if activated {
2229            if let Some(target_sidebar) = target_window
2230                .read(cx)
2231                .ok()
2232                .and_then(|multi_workspace| {
2233                    multi_workspace.sidebar().map(|sidebar| sidebar.to_any())
2234                })
2235                .and_then(|sidebar| sidebar.downcast::<Self>().ok())
2236            {
2237                target_sidebar.update(cx, |sidebar, cx| {
2238                    sidebar.active_entry = Some(ActiveEntry::Thread {
2239                        session_id: target_session_id.clone(),
2240                        workspace: workspace_for_entry.clone(),
2241                    });
2242                    sidebar.record_thread_access(&target_session_id);
2243                    sidebar.update_entries(cx);
2244                });
2245            }
2246        }
2247    }
2248
2249    fn activate_thread(
2250        &mut self,
2251        metadata: ThreadMetadata,
2252        workspace: &Entity<Workspace>,
2253        retain: bool,
2254        window: &mut Window,
2255        cx: &mut Context<Self>,
2256    ) {
2257        if self
2258            .find_workspace_in_current_window(cx, |candidate, _| candidate == workspace)
2259            .is_some()
2260        {
2261            self.activate_thread_locally(&metadata, &workspace, retain, window, cx);
2262            return;
2263        }
2264
2265        let Some((target_window, workspace)) =
2266            self.find_workspace_across_windows(cx, |candidate, _| candidate == workspace)
2267        else {
2268            return;
2269        };
2270
2271        self.activate_thread_in_other_window(metadata, workspace, target_window, cx);
2272    }
2273
2274    fn open_workspace_and_activate_thread(
2275        &mut self,
2276        metadata: ThreadMetadata,
2277        folder_paths: PathList,
2278        project_group_key: &ProjectGroupKey,
2279        window: &mut Window,
2280        cx: &mut Context<Self>,
2281    ) {
2282        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2283            return;
2284        };
2285
2286        let pending_session_id = metadata.session_id.clone();
2287        let is_remote = project_group_key.host().is_some();
2288        if is_remote {
2289            self.pending_remote_thread_activation = Some(pending_session_id.clone());
2290        }
2291
2292        let host = project_group_key.host();
2293        let provisional_key = Some(project_group_key.clone());
2294        let active_workspace = multi_workspace.read(cx).workspace().clone();
2295
2296        let open_task = multi_workspace.update(cx, |this, cx| {
2297            this.find_or_create_workspace(
2298                folder_paths,
2299                host,
2300                provisional_key,
2301                |options, window, cx| connect_remote(active_workspace, options, window, cx),
2302                window,
2303                cx,
2304            )
2305        });
2306
2307        cx.spawn_in(window, async move |this, cx| {
2308            let result = open_task.await;
2309
2310            if result.is_err() || is_remote {
2311                this.update(cx, |this, _cx| {
2312                    if this.pending_remote_thread_activation.as_ref() == Some(&pending_session_id) {
2313                        this.pending_remote_thread_activation = None;
2314                    }
2315                })
2316                .ok();
2317            }
2318
2319            let workspace = result?;
2320            this.update_in(cx, |this, window, cx| {
2321                this.activate_thread(metadata, &workspace, false, window, cx);
2322            })?;
2323            anyhow::Ok(())
2324        })
2325        .detach_and_log_err(cx);
2326    }
2327
2328    fn find_current_workspace_for_path_list(
2329        &self,
2330        path_list: &PathList,
2331        cx: &App,
2332    ) -> Option<Entity<Workspace>> {
2333        self.find_workspace_in_current_window(cx, |workspace, cx| {
2334            workspace_path_list(workspace, cx).paths() == path_list.paths()
2335        })
2336    }
2337
2338    fn find_open_workspace_for_path_list(
2339        &self,
2340        path_list: &PathList,
2341        cx: &App,
2342    ) -> Option<(WindowHandle<MultiWorkspace>, Entity<Workspace>)> {
2343        self.find_workspace_across_windows(cx, |workspace, cx| {
2344            workspace_path_list(workspace, cx).paths() == path_list.paths()
2345        })
2346    }
2347
2348    fn activate_archived_thread(
2349        &mut self,
2350        metadata: ThreadMetadata,
2351        window: &mut Window,
2352        cx: &mut Context<Self>,
2353    ) {
2354        let session_id = metadata.session_id.clone();
2355        let weak_archive_view = match &self.view {
2356            SidebarView::Archive(view) => Some(view.downgrade()),
2357            _ => None,
2358        };
2359
2360        if metadata.folder_paths.paths().is_empty() {
2361            ThreadMetadataStore::global(cx)
2362                .update(cx, |store, cx| store.unarchive(&session_id, cx));
2363
2364            let active_workspace = self
2365                .multi_workspace
2366                .upgrade()
2367                .map(|w| w.read(cx).workspace().clone());
2368
2369            if let Some(workspace) = active_workspace {
2370                self.activate_thread_locally(&metadata, &workspace, false, window, cx);
2371            } else {
2372                let path_list = metadata.folder_paths.clone();
2373                if let Some((target_window, workspace)) =
2374                    self.find_open_workspace_for_path_list(&path_list, cx)
2375                {
2376                    self.activate_thread_in_other_window(metadata, workspace, target_window, cx);
2377                } else {
2378                    let key = ProjectGroupKey::new(None, path_list.clone());
2379                    self.open_workspace_and_activate_thread(metadata, path_list, &key, window, cx);
2380                }
2381            }
2382            self.show_thread_list(window, cx);
2383            return;
2384        }
2385
2386        let store = ThreadMetadataStore::global(cx);
2387        let task = store
2388            .read(cx)
2389            .get_archived_worktrees_for_thread(session_id.0.to_string(), cx);
2390        let path_list = metadata.folder_paths.clone();
2391
2392        let task_session_id = session_id.clone();
2393        let restore_task = cx.spawn_in(window, async move |this, cx| {
2394            let result: anyhow::Result<()> = async {
2395                let archived_worktrees = task.await?;
2396
2397                if archived_worktrees.is_empty() {
2398                    this.update_in(cx, |this, window, cx| {
2399                        this.restoring_tasks.remove(&session_id);
2400                        ThreadMetadataStore::global(cx)
2401                            .update(cx, |store, cx| store.unarchive(&session_id, cx));
2402
2403                        if let Some(workspace) =
2404                            this.find_current_workspace_for_path_list(&path_list, cx)
2405                        {
2406                            this.activate_thread_locally(&metadata, &workspace, false, window, cx);
2407                        } else if let Some((target_window, workspace)) =
2408                            this.find_open_workspace_for_path_list(&path_list, cx)
2409                        {
2410                            this.activate_thread_in_other_window(
2411                                metadata,
2412                                workspace,
2413                                target_window,
2414                                cx,
2415                            );
2416                        } else {
2417                            let key = ProjectGroupKey::new(None, path_list.clone());
2418                            this.open_workspace_and_activate_thread(
2419                                metadata, path_list, &key, window, cx,
2420                            );
2421                        }
2422                        this.show_thread_list(window, cx);
2423                    })?;
2424                    return anyhow::Ok(());
2425                }
2426
2427                let mut path_replacements: Vec<(PathBuf, PathBuf)> = Vec::new();
2428                for row in &archived_worktrees {
2429                    match thread_worktree_archive::restore_worktree_via_git(row, &mut *cx).await {
2430                        Ok(restored_path) => {
2431                            thread_worktree_archive::cleanup_archived_worktree_record(
2432                                row, &mut *cx,
2433                            )
2434                            .await;
2435                            path_replacements.push((row.worktree_path.clone(), restored_path));
2436                        }
2437                        Err(error) => {
2438                            log::error!("Failed to restore worktree: {error:#}");
2439                            this.update_in(cx, |this, _window, cx| {
2440                                this.restoring_tasks.remove(&session_id);
2441                                if let Some(weak_archive_view) = &weak_archive_view {
2442                                    weak_archive_view
2443                                        .update(cx, |view, cx| {
2444                                            view.clear_restoring(&session_id, cx);
2445                                        })
2446                                        .ok();
2447                                }
2448
2449                                if let Some(multi_workspace) = this.multi_workspace.upgrade() {
2450                                    let workspace = multi_workspace.read(cx).workspace().clone();
2451                                    workspace.update(cx, |workspace, cx| {
2452                                        struct RestoreWorktreeErrorToast;
2453                                        workspace.show_toast(
2454                                            Toast::new(
2455                                                NotificationId::unique::<RestoreWorktreeErrorToast>(
2456                                                ),
2457                                                format!("Failed to restore worktree: {error:#}"),
2458                                            )
2459                                            .autohide(),
2460                                            cx,
2461                                        );
2462                                    });
2463                                }
2464                            })
2465                            .ok();
2466                            return anyhow::Ok(());
2467                        }
2468                    }
2469                }
2470
2471                if !path_replacements.is_empty() {
2472                    cx.update(|_window, cx| {
2473                        store.update(cx, |store, cx| {
2474                            store.update_restored_worktree_paths(
2475                                &session_id,
2476                                &path_replacements,
2477                                cx,
2478                            );
2479                        });
2480                    })?;
2481
2482                    let updated_metadata =
2483                        cx.update(|_window, cx| store.read(cx).entry(&session_id).cloned())?;
2484
2485                    if let Some(updated_metadata) = updated_metadata {
2486                        let new_paths = updated_metadata.folder_paths.clone();
2487
2488                        cx.update(|_window, cx| {
2489                            store.update(cx, |store, cx| {
2490                                store.unarchive(&updated_metadata.session_id, cx);
2491                            });
2492                        })?;
2493
2494                        this.update_in(cx, |this, window, cx| {
2495                            this.restoring_tasks.remove(&session_id);
2496                            let key = ProjectGroupKey::new(None, new_paths.clone());
2497                            this.open_workspace_and_activate_thread(
2498                                updated_metadata,
2499                                new_paths,
2500                                &key,
2501                                window,
2502                                cx,
2503                            );
2504                            this.show_thread_list(window, cx);
2505                        })?;
2506                    }
2507                }
2508
2509                anyhow::Ok(())
2510            }
2511            .await;
2512            if let Err(error) = result {
2513                log::error!("{error:#}");
2514            }
2515        });
2516        self.restoring_tasks.insert(task_session_id, restore_task);
2517    }
2518
2519    fn expand_selected_entry(
2520        &mut self,
2521        _: &SelectChild,
2522        _window: &mut Window,
2523        cx: &mut Context<Self>,
2524    ) {
2525        let Some(ix) = self.selection else { return };
2526
2527        match self.contents.entries.get(ix) {
2528            Some(ListEntry::ProjectHeader { key, .. }) => {
2529                if self.collapsed_groups.contains(key) {
2530                    self.collapsed_groups.remove(key);
2531                    self.update_entries(cx);
2532                } else if ix + 1 < self.contents.entries.len() {
2533                    self.selection = Some(ix + 1);
2534                    self.list_state.scroll_to_reveal_item(ix + 1);
2535                    cx.notify();
2536                }
2537            }
2538            _ => {}
2539        }
2540    }
2541
2542    fn collapse_selected_entry(
2543        &mut self,
2544        _: &SelectParent,
2545        _window: &mut Window,
2546        cx: &mut Context<Self>,
2547    ) {
2548        let Some(ix) = self.selection else { return };
2549
2550        match self.contents.entries.get(ix) {
2551            Some(ListEntry::ProjectHeader { key, .. }) => {
2552                if !self.collapsed_groups.contains(key) {
2553                    self.collapsed_groups.insert(key.clone());
2554                    self.update_entries(cx);
2555                }
2556            }
2557            Some(
2558                ListEntry::Thread(_) | ListEntry::ViewMore { .. } | ListEntry::DraftThread { .. },
2559            ) => {
2560                for i in (0..ix).rev() {
2561                    if let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(i)
2562                    {
2563                        self.selection = Some(i);
2564                        self.collapsed_groups.insert(key.clone());
2565                        self.update_entries(cx);
2566                        break;
2567                    }
2568                }
2569            }
2570            None => {}
2571        }
2572    }
2573
2574    fn toggle_selected_fold(
2575        &mut self,
2576        _: &editor::actions::ToggleFold,
2577        _window: &mut Window,
2578        cx: &mut Context<Self>,
2579    ) {
2580        let Some(ix) = self.selection else { return };
2581
2582        // Find the group header for the current selection.
2583        let header_ix = match self.contents.entries.get(ix) {
2584            Some(ListEntry::ProjectHeader { .. }) => Some(ix),
2585            Some(
2586                ListEntry::Thread(_) | ListEntry::ViewMore { .. } | ListEntry::DraftThread { .. },
2587            ) => (0..ix).rev().find(|&i| {
2588                matches!(
2589                    self.contents.entries.get(i),
2590                    Some(ListEntry::ProjectHeader { .. })
2591                )
2592            }),
2593            None => None,
2594        };
2595
2596        if let Some(header_ix) = header_ix {
2597            if let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(header_ix)
2598            {
2599                if self.collapsed_groups.contains(key) {
2600                    self.collapsed_groups.remove(key);
2601                } else {
2602                    self.selection = Some(header_ix);
2603                    self.collapsed_groups.insert(key.clone());
2604                }
2605                self.update_entries(cx);
2606            }
2607        }
2608    }
2609
2610    fn fold_all(
2611        &mut self,
2612        _: &editor::actions::FoldAll,
2613        _window: &mut Window,
2614        cx: &mut Context<Self>,
2615    ) {
2616        for entry in &self.contents.entries {
2617            if let ListEntry::ProjectHeader { key, .. } = entry {
2618                self.collapsed_groups.insert(key.clone());
2619            }
2620        }
2621        self.update_entries(cx);
2622    }
2623
2624    fn unfold_all(
2625        &mut self,
2626        _: &editor::actions::UnfoldAll,
2627        _window: &mut Window,
2628        cx: &mut Context<Self>,
2629    ) {
2630        self.collapsed_groups.clear();
2631        self.update_entries(cx);
2632    }
2633
2634    fn stop_thread(&mut self, session_id: &acp::SessionId, cx: &mut Context<Self>) {
2635        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2636            return;
2637        };
2638
2639        let workspaces: Vec<_> = multi_workspace.read(cx).workspaces().cloned().collect();
2640        for workspace in workspaces {
2641            if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2642                let cancelled =
2643                    agent_panel.update(cx, |panel, cx| panel.cancel_thread(session_id, cx));
2644                if cancelled {
2645                    return;
2646                }
2647            }
2648        }
2649    }
2650
2651    fn archive_thread(
2652        &mut self,
2653        session_id: &acp::SessionId,
2654        window: &mut Window,
2655        cx: &mut Context<Self>,
2656    ) {
2657        let metadata = ThreadMetadataStore::global(cx)
2658            .read(cx)
2659            .entry(session_id)
2660            .cloned();
2661        let thread_folder_paths = metadata.as_ref().map(|m| m.folder_paths.clone());
2662
2663        // Compute which linked worktree roots should be archived from disk if
2664        // this thread is archived. This must happen before we remove any
2665        // workspace from the MultiWorkspace, because `build_root_plan` needs
2666        // the currently open workspaces in order to find the affected projects
2667        // and repository handles for each linked worktree.
2668        let roots_to_archive = metadata
2669            .as_ref()
2670            .map(|metadata| {
2671                let mut workspaces = self
2672                    .multi_workspace
2673                    .upgrade()
2674                    .map(|multi_workspace| {
2675                        multi_workspace
2676                            .read(cx)
2677                            .workspaces()
2678                            .cloned()
2679                            .collect::<Vec<_>>()
2680                    })
2681                    .unwrap_or_default();
2682                for workspace in thread_worktree_archive::all_open_workspaces(cx) {
2683                    if !workspaces.contains(&workspace) {
2684                        workspaces.push(workspace);
2685                    }
2686                }
2687                metadata
2688                    .folder_paths
2689                    .ordered_paths()
2690                    .filter_map(|path| {
2691                        thread_worktree_archive::build_root_plan(path, &workspaces, cx)
2692                    })
2693                    .filter(|plan| {
2694                        !thread_worktree_archive::path_is_referenced_by_other_unarchived_threads(
2695                            session_id,
2696                            &plan.root_path,
2697                            cx,
2698                        )
2699                    })
2700                    .collect::<Vec<_>>()
2701            })
2702            .unwrap_or_default();
2703
2704        // Find the neighbor thread in the sidebar (by display position).
2705        // Look below first, then above, for the nearest thread that isn't
2706        // the one being archived. We capture both the neighbor's metadata
2707        // (for activation) and its workspace paths (for the workspace
2708        // removal fallback).
2709        let current_pos = self.contents.entries.iter().position(
2710            |entry| matches!(entry, ListEntry::Thread(t) if &t.metadata.session_id == session_id),
2711        );
2712        let neighbor = current_pos.and_then(|pos| {
2713            self.contents.entries[pos + 1..]
2714                .iter()
2715                .chain(self.contents.entries[..pos].iter().rev())
2716                .find_map(|entry| match entry {
2717                    ListEntry::Thread(t) if t.metadata.session_id != *session_id => {
2718                        let workspace_paths = match &t.workspace {
2719                            ThreadEntryWorkspace::Open(ws) => {
2720                                PathList::new(&ws.read(cx).root_paths(cx))
2721                            }
2722                            ThreadEntryWorkspace::Closed { folder_paths, .. } => {
2723                                folder_paths.clone()
2724                            }
2725                        };
2726                        Some((t.metadata.clone(), workspace_paths))
2727                    }
2728                    _ => None,
2729                })
2730        });
2731
2732        // Check if archiving this thread would leave its worktree workspace
2733        // with no threads, requiring workspace removal.
2734        let workspace_to_remove = thread_folder_paths.as_ref().and_then(|folder_paths| {
2735            if folder_paths.is_empty() {
2736                return None;
2737            }
2738
2739            let remaining = ThreadMetadataStore::global(cx)
2740                .read(cx)
2741                .entries_for_path(folder_paths)
2742                .filter(|t| t.session_id != *session_id)
2743                .count();
2744            if remaining > 0 {
2745                return None;
2746            }
2747
2748            let multi_workspace = self.multi_workspace.upgrade()?;
2749            // Thread metadata doesn't carry host info yet, so we pass
2750            // `None` here. This may match a local workspace with the same
2751            // paths instead of the intended remote one.
2752            let workspace = multi_workspace
2753                .read(cx)
2754                .workspace_for_paths(folder_paths, None, cx)?;
2755
2756            // Don't remove the main worktree workspace — the project
2757            // header always provides access to it.
2758            let group_key = workspace.read(cx).project_group_key(cx);
2759            (group_key.path_list() != folder_paths).then_some(workspace)
2760        });
2761
2762        if let Some(workspace_to_remove) = workspace_to_remove {
2763            let multi_workspace = self.multi_workspace.upgrade().unwrap();
2764            let session_id = session_id.clone();
2765
2766            // For the workspace-removal fallback, use the neighbor's workspace
2767            // paths if available, otherwise fall back to the project group key.
2768            let fallback_paths = neighbor
2769                .as_ref()
2770                .map(|(_, paths)| paths.clone())
2771                .unwrap_or_else(|| {
2772                    workspace_to_remove
2773                        .read(cx)
2774                        .project_group_key(cx)
2775                        .path_list()
2776                        .clone()
2777                });
2778
2779            let remove_task = multi_workspace.update(cx, |mw, cx| {
2780                mw.remove(
2781                    [workspace_to_remove],
2782                    move |this, window, cx| {
2783                        this.find_or_create_local_workspace(fallback_paths, window, cx)
2784                    },
2785                    window,
2786                    cx,
2787                )
2788            });
2789
2790            let neighbor_metadata = neighbor.map(|(metadata, _)| metadata);
2791            let thread_folder_paths = thread_folder_paths.clone();
2792            cx.spawn_in(window, async move |this, cx| {
2793                let removed = remove_task.await?;
2794                if removed {
2795                    this.update_in(cx, |this, window, cx| {
2796                        let in_flight =
2797                            this.start_archive_worktree_task(&session_id, roots_to_archive, cx);
2798                        this.archive_and_activate(
2799                            &session_id,
2800                            neighbor_metadata.as_ref(),
2801                            thread_folder_paths.as_ref(),
2802                            in_flight,
2803                            window,
2804                            cx,
2805                        );
2806                    })?;
2807                }
2808                anyhow::Ok(())
2809            })
2810            .detach_and_log_err(cx);
2811        } else {
2812            // Simple case: no workspace removal needed.
2813            let neighbor_metadata = neighbor.map(|(metadata, _)| metadata);
2814            let in_flight = self.start_archive_worktree_task(session_id, roots_to_archive, cx);
2815            self.archive_and_activate(
2816                session_id,
2817                neighbor_metadata.as_ref(),
2818                thread_folder_paths.as_ref(),
2819                in_flight,
2820                window,
2821                cx,
2822            );
2823        }
2824    }
2825
2826    /// Archive a thread and activate the nearest neighbor or a draft.
2827    ///
2828    /// IMPORTANT: when activating a neighbor or creating a fallback draft,
2829    /// this method also activates the target workspace in the MultiWorkspace.
2830    /// This is critical because `rebuild_contents` derives the active
2831    /// workspace from `mw.workspace()`. If the linked worktree workspace is
2832    /// still active after archiving its last thread, `rebuild_contents` sees
2833    /// the threadless linked worktree as active and emits a spurious
2834    /// "+ New Thread" entry with the worktree chip — keeping the worktree
2835    /// alive and preventing disk cleanup.
2836    ///
2837    /// When `in_flight_archive` is present, it is the background task that
2838    /// persists the linked worktree's git state and deletes it from disk.
2839    /// We attach it to the metadata store at the same time we mark the thread
2840    /// archived so failures can automatically unarchive the thread and user-
2841    /// initiated unarchive can cancel the task.
2842    fn archive_and_activate(
2843        &mut self,
2844        session_id: &acp::SessionId,
2845        neighbor: Option<&ThreadMetadata>,
2846        thread_folder_paths: Option<&PathList>,
2847        in_flight_archive: Option<(Task<()>, smol::channel::Sender<()>)>,
2848        window: &mut Window,
2849        cx: &mut Context<Self>,
2850    ) {
2851        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
2852            store.archive(session_id, in_flight_archive, cx);
2853        });
2854
2855        let is_active = self
2856            .active_entry
2857            .as_ref()
2858            .is_some_and(|e| e.is_active_thread(session_id));
2859
2860        if !is_active {
2861            // The user is looking at a different thread/draft. Clear the
2862            // archived thread from its workspace's panel so that switching
2863            // to that workspace later doesn't show a stale thread.
2864            if let Some(folder_paths) = thread_folder_paths {
2865                if let Some(workspace) = self
2866                    .multi_workspace
2867                    .upgrade()
2868                    .and_then(|mw| mw.read(cx).workspace_for_paths(folder_paths, None, cx))
2869                {
2870                    if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2871                        let panel_shows_archived = panel
2872                            .read(cx)
2873                            .active_conversation_view()
2874                            .and_then(|cv| cv.read(cx).parent_id(cx))
2875                            .is_some_and(|id| id == *session_id);
2876                        if panel_shows_archived {
2877                            panel.update(cx, |panel, cx| {
2878                                panel.clear_active_thread(window, cx);
2879                            });
2880                        }
2881                    }
2882                }
2883            }
2884            return;
2885        }
2886
2887        // Try to activate the neighbor thread. If its workspace is open,
2888        // tell the panel to load it and activate that workspace.
2889        // `rebuild_contents` will reconcile `active_entry` once the thread
2890        // finishes loading.
2891        if let Some(metadata) = neighbor {
2892            if let Some(workspace) = self.multi_workspace.upgrade().and_then(|mw| {
2893                mw.read(cx)
2894                    .workspace_for_paths(&metadata.folder_paths, None, cx)
2895            }) {
2896                self.activate_workspace(&workspace, window, cx);
2897                Self::load_agent_thread_in_workspace(&workspace, metadata, true, window, cx);
2898                return;
2899            }
2900        }
2901
2902        // No neighbor or its workspace isn't open — fall back to a new
2903        // draft. Use the group workspace (main project) rather than the
2904        // active entry workspace, which may be a linked worktree that is
2905        // about to be cleaned up.
2906        let fallback_workspace = thread_folder_paths
2907            .and_then(|folder_paths| {
2908                let mw = self.multi_workspace.upgrade()?;
2909                let mw = mw.read(cx);
2910                // Find the group's main workspace (whose root paths match
2911                // the project group key, not the thread's folder paths).
2912                let thread_workspace = mw.workspace_for_paths(folder_paths, None, cx)?;
2913                let group_key = thread_workspace.read(cx).project_group_key(cx);
2914                mw.workspace_for_paths(group_key.path_list(), None, cx)
2915            })
2916            .or_else(|| self.active_entry_workspace().cloned());
2917
2918        if let Some(workspace) = fallback_workspace {
2919            self.activate_workspace(&workspace, window, cx);
2920            if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2921                panel.update(cx, |panel, cx| {
2922                    panel.new_thread(&NewThread, window, cx);
2923                });
2924            }
2925        }
2926    }
2927
2928    fn start_archive_worktree_task(
2929        &self,
2930        session_id: &acp::SessionId,
2931        roots: Vec<thread_worktree_archive::RootPlan>,
2932        cx: &mut Context<Self>,
2933    ) -> Option<(Task<()>, smol::channel::Sender<()>)> {
2934        if roots.is_empty() {
2935            return None;
2936        }
2937
2938        let (cancel_tx, cancel_rx) = smol::channel::bounded::<()>(1);
2939        let session_id = session_id.clone();
2940        let task = cx.spawn(async move |_this, cx| {
2941            match Self::archive_worktree_roots(roots, cancel_rx, cx).await {
2942                Ok(ArchiveWorktreeOutcome::Success) => {
2943                    cx.update(|cx| {
2944                        ThreadMetadataStore::global(cx).update(cx, |store, _cx| {
2945                            store.cleanup_completed_archive(&session_id);
2946                        });
2947                    });
2948                }
2949                Ok(ArchiveWorktreeOutcome::Cancelled) => {}
2950                Err(error) => {
2951                    log::error!("Failed to archive worktree: {error:#}");
2952                    cx.update(|cx| {
2953                        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
2954                            store.unarchive(&session_id, cx);
2955                        });
2956                    });
2957                }
2958            }
2959        });
2960
2961        Some((task, cancel_tx))
2962    }
2963
2964    async fn archive_worktree_roots(
2965        roots: Vec<thread_worktree_archive::RootPlan>,
2966        cancel_rx: smol::channel::Receiver<()>,
2967        cx: &mut gpui::AsyncApp,
2968    ) -> anyhow::Result<ArchiveWorktreeOutcome> {
2969        let mut completed_persists: Vec<(i64, thread_worktree_archive::RootPlan)> = Vec::new();
2970
2971        for root in &roots {
2972            if cancel_rx.is_closed() {
2973                for &(id, ref completed_root) in completed_persists.iter().rev() {
2974                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
2975                }
2976                return Ok(ArchiveWorktreeOutcome::Cancelled);
2977            }
2978
2979            match thread_worktree_archive::persist_worktree_state(root, cx).await {
2980                Ok(id) => {
2981                    completed_persists.push((id, root.clone()));
2982                }
2983                Err(error) => {
2984                    for &(id, ref completed_root) in completed_persists.iter().rev() {
2985                        thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
2986                    }
2987                    return Err(error);
2988                }
2989            }
2990
2991            if cancel_rx.is_closed() {
2992                for &(id, ref completed_root) in completed_persists.iter().rev() {
2993                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
2994                }
2995                return Ok(ArchiveWorktreeOutcome::Cancelled);
2996            }
2997
2998            if let Err(error) = thread_worktree_archive::remove_root(root.clone(), cx).await {
2999                if let Some(&(id, ref completed_root)) = completed_persists.last() {
3000                    if completed_root.root_path == root.root_path {
3001                        thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3002                        completed_persists.pop();
3003                    }
3004                }
3005                for &(id, ref completed_root) in completed_persists.iter().rev() {
3006                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3007                }
3008                return Err(error);
3009            }
3010        }
3011
3012        Ok(ArchiveWorktreeOutcome::Success)
3013    }
3014
3015    fn activate_workspace(
3016        &self,
3017        workspace: &Entity<Workspace>,
3018        window: &mut Window,
3019        cx: &mut Context<Self>,
3020    ) {
3021        if let Some(multi_workspace) = self.multi_workspace.upgrade() {
3022            multi_workspace.update(cx, |mw, cx| {
3023                mw.activate(workspace.clone(), window, cx);
3024            });
3025        }
3026    }
3027
3028    fn remove_selected_thread(
3029        &mut self,
3030        _: &RemoveSelectedThread,
3031        window: &mut Window,
3032        cx: &mut Context<Self>,
3033    ) {
3034        let Some(ix) = self.selection else {
3035            return;
3036        };
3037        match self.contents.entries.get(ix) {
3038            Some(ListEntry::Thread(thread)) => {
3039                match thread.status {
3040                    AgentThreadStatus::Running | AgentThreadStatus::WaitingForConfirmation => {
3041                        return;
3042                    }
3043                    AgentThreadStatus::Completed | AgentThreadStatus::Error => {}
3044                }
3045                let session_id = thread.metadata.session_id.clone();
3046                self.archive_thread(&session_id, window, cx);
3047            }
3048            Some(ListEntry::DraftThread {
3049                workspace: Some(workspace),
3050                ..
3051            }) => {
3052                self.remove_worktree_workspace(workspace.clone(), window, cx);
3053            }
3054            _ => {}
3055        }
3056    }
3057
3058    fn remove_worktree_workspace(
3059        &mut self,
3060        workspace: Entity<Workspace>,
3061        window: &mut Window,
3062        cx: &mut Context<Self>,
3063    ) {
3064        if let Some(multi_workspace) = self.multi_workspace.upgrade() {
3065            multi_workspace
3066                .update(cx, |mw, cx| {
3067                    mw.remove(
3068                        [workspace],
3069                        |this, _window, _cx| gpui::Task::ready(Ok(this.workspace().clone())),
3070                        window,
3071                        cx,
3072                    )
3073                })
3074                .detach_and_log_err(cx);
3075        }
3076    }
3077
3078    fn record_thread_access(&mut self, session_id: &acp::SessionId) {
3079        self.thread_last_accessed
3080            .insert(session_id.clone(), Utc::now());
3081    }
3082
3083    fn record_thread_message_sent(&mut self, session_id: &acp::SessionId) {
3084        self.thread_last_message_sent_or_queued
3085            .insert(session_id.clone(), Utc::now());
3086    }
3087
3088    fn mru_threads_for_switcher(&self, cx: &App) -> Vec<ThreadSwitcherEntry> {
3089        let mut current_header_label: Option<SharedString> = None;
3090        let mut current_header_key: Option<ProjectGroupKey> = None;
3091        let mut entries: Vec<ThreadSwitcherEntry> = self
3092            .contents
3093            .entries
3094            .iter()
3095            .filter_map(|entry| match entry {
3096                ListEntry::ProjectHeader { label, key, .. } => {
3097                    current_header_label = Some(label.clone());
3098                    current_header_key = Some(key.clone());
3099                    None
3100                }
3101                ListEntry::Thread(thread) => {
3102                    let workspace = match &thread.workspace {
3103                        ThreadEntryWorkspace::Open(workspace) => Some(workspace.clone()),
3104                        ThreadEntryWorkspace::Closed { .. } => {
3105                            current_header_key.as_ref().and_then(|key| {
3106                                self.multi_workspace.upgrade().and_then(|mw| {
3107                                    mw.read(cx).workspace_for_paths(
3108                                        key.path_list(),
3109                                        key.host().as_ref(),
3110                                        cx,
3111                                    )
3112                                })
3113                            })
3114                        }
3115                    }?;
3116                    let notified = self
3117                        .contents
3118                        .is_thread_notified(&thread.metadata.session_id);
3119                    let timestamp: SharedString = format_history_entry_timestamp(
3120                        self.thread_last_message_sent_or_queued
3121                            .get(&thread.metadata.session_id)
3122                            .copied()
3123                            .or(thread.metadata.created_at)
3124                            .unwrap_or(thread.metadata.updated_at),
3125                    )
3126                    .into();
3127                    Some(ThreadSwitcherEntry {
3128                        session_id: thread.metadata.session_id.clone(),
3129                        title: thread.metadata.title.clone(),
3130                        icon: thread.icon,
3131                        icon_from_external_svg: thread.icon_from_external_svg.clone(),
3132                        status: thread.status,
3133                        metadata: thread.metadata.clone(),
3134                        workspace,
3135                        project_name: current_header_label.clone(),
3136                        worktrees: thread
3137                            .worktrees
3138                            .iter()
3139                            .map(|wt| ThreadItemWorktreeInfo {
3140                                name: wt.name.clone(),
3141                                full_path: wt.full_path.clone(),
3142                                highlight_positions: Vec::new(),
3143                                kind: wt.kind,
3144                            })
3145                            .collect(),
3146                        diff_stats: thread.diff_stats,
3147                        is_title_generating: thread.is_title_generating,
3148                        notified,
3149                        timestamp,
3150                    })
3151                }
3152                _ => None,
3153            })
3154            .collect();
3155
3156        entries.sort_by(|a, b| {
3157            let a_accessed = self.thread_last_accessed.get(&a.session_id);
3158            let b_accessed = self.thread_last_accessed.get(&b.session_id);
3159
3160            match (a_accessed, b_accessed) {
3161                (Some(a_time), Some(b_time)) => b_time.cmp(a_time),
3162                (Some(_), None) => std::cmp::Ordering::Less,
3163                (None, Some(_)) => std::cmp::Ordering::Greater,
3164                (None, None) => {
3165                    let a_sent = self.thread_last_message_sent_or_queued.get(&a.session_id);
3166                    let b_sent = self.thread_last_message_sent_or_queued.get(&b.session_id);
3167
3168                    match (a_sent, b_sent) {
3169                        (Some(a_time), Some(b_time)) => b_time.cmp(a_time),
3170                        (Some(_), None) => std::cmp::Ordering::Less,
3171                        (None, Some(_)) => std::cmp::Ordering::Greater,
3172                        (None, None) => {
3173                            let a_time = a.metadata.created_at.or(Some(a.metadata.updated_at));
3174                            let b_time = b.metadata.created_at.or(Some(b.metadata.updated_at));
3175                            b_time.cmp(&a_time)
3176                        }
3177                    }
3178                }
3179            }
3180        });
3181
3182        entries
3183    }
3184
3185    fn dismiss_thread_switcher(&mut self, cx: &mut Context<Self>) {
3186        self.thread_switcher = None;
3187        self._thread_switcher_subscriptions.clear();
3188        if let Some(mw) = self.multi_workspace.upgrade() {
3189            mw.update(cx, |mw, cx| {
3190                mw.set_sidebar_overlay(None, cx);
3191            });
3192        }
3193    }
3194
3195    fn on_toggle_thread_switcher(
3196        &mut self,
3197        action: &ToggleThreadSwitcher,
3198        window: &mut Window,
3199        cx: &mut Context<Self>,
3200    ) {
3201        self.toggle_thread_switcher_impl(action.select_last, window, cx);
3202    }
3203
3204    fn toggle_thread_switcher_impl(
3205        &mut self,
3206        select_last: bool,
3207        window: &mut Window,
3208        cx: &mut Context<Self>,
3209    ) {
3210        if let Some(thread_switcher) = &self.thread_switcher {
3211            thread_switcher.update(cx, |switcher, cx| {
3212                if select_last {
3213                    switcher.select_last(cx);
3214                } else {
3215                    switcher.cycle_selection(cx);
3216                }
3217            });
3218            return;
3219        }
3220
3221        let entries = self.mru_threads_for_switcher(cx);
3222        if entries.len() < 2 {
3223            return;
3224        }
3225
3226        let weak_multi_workspace = self.multi_workspace.clone();
3227
3228        let original_metadata = match &self.active_entry {
3229            Some(ActiveEntry::Thread { session_id, .. }) => entries
3230                .iter()
3231                .find(|e| &e.session_id == session_id)
3232                .map(|e| e.metadata.clone()),
3233            _ => None,
3234        };
3235        let original_workspace = self
3236            .multi_workspace
3237            .upgrade()
3238            .map(|mw| mw.read(cx).workspace().clone());
3239
3240        let thread_switcher = cx.new(|cx| ThreadSwitcher::new(entries, select_last, window, cx));
3241
3242        let mut subscriptions = Vec::new();
3243
3244        subscriptions.push(cx.subscribe_in(&thread_switcher, window, {
3245            let thread_switcher = thread_switcher.clone();
3246            move |this, _emitter, event: &ThreadSwitcherEvent, window, cx| match event {
3247                ThreadSwitcherEvent::Preview {
3248                    metadata,
3249                    workspace,
3250                } => {
3251                    if let Some(mw) = weak_multi_workspace.upgrade() {
3252                        mw.update(cx, |mw, cx| {
3253                            mw.activate(workspace.clone(), window, cx);
3254                        });
3255                    }
3256                    this.active_entry = Some(ActiveEntry::Thread {
3257                        session_id: metadata.session_id.clone(),
3258                        workspace: workspace.clone(),
3259                    });
3260                    this.update_entries(cx);
3261                    Self::load_agent_thread_in_workspace(workspace, metadata, false, window, cx);
3262                    let focus = thread_switcher.focus_handle(cx);
3263                    window.focus(&focus, cx);
3264                }
3265                ThreadSwitcherEvent::Confirmed {
3266                    metadata,
3267                    workspace,
3268                } => {
3269                    if let Some(mw) = weak_multi_workspace.upgrade() {
3270                        mw.update(cx, |mw, cx| {
3271                            mw.activate(workspace.clone(), window, cx);
3272                            mw.retain_active_workspace(cx);
3273                        });
3274                    }
3275                    this.record_thread_access(&metadata.session_id);
3276                    this.active_entry = Some(ActiveEntry::Thread {
3277                        session_id: metadata.session_id.clone(),
3278                        workspace: workspace.clone(),
3279                    });
3280                    this.update_entries(cx);
3281                    Self::load_agent_thread_in_workspace(workspace, metadata, false, window, cx);
3282                    this.dismiss_thread_switcher(cx);
3283                    workspace.update(cx, |workspace, cx| {
3284                        workspace.focus_panel::<AgentPanel>(window, cx);
3285                    });
3286                }
3287                ThreadSwitcherEvent::Dismissed => {
3288                    if let Some(mw) = weak_multi_workspace.upgrade() {
3289                        if let Some(original_ws) = &original_workspace {
3290                            mw.update(cx, |mw, cx| {
3291                                mw.activate(original_ws.clone(), window, cx);
3292                            });
3293                        }
3294                    }
3295                    if let Some(metadata) = &original_metadata {
3296                        if let Some(original_ws) = &original_workspace {
3297                            this.active_entry = Some(ActiveEntry::Thread {
3298                                session_id: metadata.session_id.clone(),
3299                                workspace: original_ws.clone(),
3300                            });
3301                        }
3302                        this.update_entries(cx);
3303                        if let Some(original_ws) = &original_workspace {
3304                            Self::load_agent_thread_in_workspace(
3305                                original_ws,
3306                                metadata,
3307                                false,
3308                                window,
3309                                cx,
3310                            );
3311                        }
3312                    }
3313                    this.dismiss_thread_switcher(cx);
3314                }
3315            }
3316        }));
3317
3318        subscriptions.push(cx.subscribe_in(
3319            &thread_switcher,
3320            window,
3321            |this, _emitter, _event: &gpui::DismissEvent, _window, cx| {
3322                this.dismiss_thread_switcher(cx);
3323            },
3324        ));
3325
3326        let focus = thread_switcher.focus_handle(cx);
3327        let overlay_view = gpui::AnyView::from(thread_switcher.clone());
3328
3329        // Replay the initial preview that was emitted during construction
3330        // before subscriptions were wired up.
3331        let initial_preview = thread_switcher
3332            .read(cx)
3333            .selected_entry()
3334            .map(|entry| (entry.metadata.clone(), entry.workspace.clone()));
3335
3336        self.thread_switcher = Some(thread_switcher);
3337        self._thread_switcher_subscriptions = subscriptions;
3338        if let Some(mw) = self.multi_workspace.upgrade() {
3339            mw.update(cx, |mw, cx| {
3340                mw.set_sidebar_overlay(Some(overlay_view), cx);
3341            });
3342        }
3343
3344        if let Some((metadata, workspace)) = initial_preview {
3345            if let Some(mw) = self.multi_workspace.upgrade() {
3346                mw.update(cx, |mw, cx| {
3347                    mw.activate(workspace.clone(), window, cx);
3348                });
3349            }
3350            self.active_entry = Some(ActiveEntry::Thread {
3351                session_id: metadata.session_id.clone(),
3352                workspace: workspace.clone(),
3353            });
3354            self.update_entries(cx);
3355            Self::load_agent_thread_in_workspace(&workspace, &metadata, false, window, cx);
3356        }
3357
3358        window.focus(&focus, cx);
3359    }
3360
3361    fn render_thread(
3362        &self,
3363        ix: usize,
3364        thread: &ThreadEntry,
3365        is_active: bool,
3366        is_focused: bool,
3367        cx: &mut Context<Self>,
3368    ) -> AnyElement {
3369        let has_notification = self
3370            .contents
3371            .is_thread_notified(&thread.metadata.session_id);
3372
3373        let title: SharedString = thread.metadata.title.clone();
3374        let metadata = thread.metadata.clone();
3375        let thread_workspace = thread.workspace.clone();
3376
3377        let is_hovered = self.hovered_thread_index == Some(ix);
3378        let is_selected = is_active;
3379        let is_running = matches!(
3380            thread.status,
3381            AgentThreadStatus::Running | AgentThreadStatus::WaitingForConfirmation
3382        );
3383
3384        let session_id_for_delete = thread.metadata.session_id.clone();
3385        let focus_handle = self.focus_handle.clone();
3386
3387        let id = SharedString::from(format!("thread-entry-{}", ix));
3388
3389        let color = cx.theme().colors();
3390        let sidebar_bg = color
3391            .title_bar_background
3392            .blend(color.panel_background.opacity(0.25));
3393
3394        let timestamp = format_history_entry_timestamp(
3395            self.thread_last_message_sent_or_queued
3396                .get(&thread.metadata.session_id)
3397                .copied()
3398                .or(thread.metadata.created_at)
3399                .unwrap_or(thread.metadata.updated_at),
3400        );
3401
3402        let is_remote = thread.workspace.is_remote(cx);
3403
3404        ThreadItem::new(id, title)
3405            .base_bg(sidebar_bg)
3406            .icon(thread.icon)
3407            .status(thread.status)
3408            .is_remote(is_remote)
3409            .when_some(thread.icon_from_external_svg.clone(), |this, svg| {
3410                this.custom_icon_from_external_svg(svg)
3411            })
3412            .worktrees(
3413                thread
3414                    .worktrees
3415                    .iter()
3416                    .map(|wt| ThreadItemWorktreeInfo {
3417                        name: wt.name.clone(),
3418                        full_path: wt.full_path.clone(),
3419                        highlight_positions: wt.highlight_positions.clone(),
3420                        kind: wt.kind,
3421                    })
3422                    .collect(),
3423            )
3424            .timestamp(timestamp)
3425            .highlight_positions(thread.highlight_positions.to_vec())
3426            .title_generating(thread.is_title_generating)
3427            .notified(has_notification)
3428            .when(thread.diff_stats.lines_added > 0, |this| {
3429                this.added(thread.diff_stats.lines_added as usize)
3430            })
3431            .when(thread.diff_stats.lines_removed > 0, |this| {
3432                this.removed(thread.diff_stats.lines_removed as usize)
3433            })
3434            .selected(is_selected)
3435            .focused(is_focused)
3436            .hovered(is_hovered)
3437            .on_hover(cx.listener(move |this, is_hovered: &bool, _window, cx| {
3438                if *is_hovered {
3439                    this.hovered_thread_index = Some(ix);
3440                } else if this.hovered_thread_index == Some(ix) {
3441                    this.hovered_thread_index = None;
3442                }
3443                cx.notify();
3444            }))
3445            .when(is_hovered && is_running, |this| {
3446                this.action_slot(
3447                    IconButton::new("stop-thread", IconName::Stop)
3448                        .icon_size(IconSize::Small)
3449                        .icon_color(Color::Error)
3450                        .style(ButtonStyle::Tinted(TintColor::Error))
3451                        .tooltip(Tooltip::text("Stop Generation"))
3452                        .on_click({
3453                            let session_id = session_id_for_delete.clone();
3454                            cx.listener(move |this, _, _window, cx| {
3455                                this.stop_thread(&session_id, cx);
3456                            })
3457                        }),
3458                )
3459            })
3460            .when(is_hovered && !is_running, |this| {
3461                this.action_slot(
3462                    IconButton::new("archive-thread", IconName::Archive)
3463                        .icon_size(IconSize::Small)
3464                        .icon_color(Color::Muted)
3465                        .tooltip({
3466                            let focus_handle = focus_handle.clone();
3467                            move |_window, cx| {
3468                                Tooltip::for_action_in(
3469                                    "Archive Thread",
3470                                    &RemoveSelectedThread,
3471                                    &focus_handle,
3472                                    cx,
3473                                )
3474                            }
3475                        })
3476                        .on_click({
3477                            let session_id = session_id_for_delete.clone();
3478                            cx.listener(move |this, _, window, cx| {
3479                                this.archive_thread(&session_id, window, cx);
3480                            })
3481                        }),
3482                )
3483            })
3484            .on_click({
3485                cx.listener(move |this, _, window, cx| {
3486                    this.selection = None;
3487                    match &thread_workspace {
3488                        ThreadEntryWorkspace::Open(workspace) => {
3489                            this.activate_thread(metadata.clone(), workspace, false, window, cx);
3490                        }
3491                        ThreadEntryWorkspace::Closed {
3492                            folder_paths,
3493                            project_group_key,
3494                        } => {
3495                            this.open_workspace_and_activate_thread(
3496                                metadata.clone(),
3497                                folder_paths.clone(),
3498                                project_group_key,
3499                                window,
3500                                cx,
3501                            );
3502                        }
3503                    }
3504                })
3505            })
3506            .into_any_element()
3507    }
3508
3509    fn render_filter_input(&self, cx: &mut Context<Self>) -> impl IntoElement {
3510        div()
3511            .min_w_0()
3512            .flex_1()
3513            .capture_action(
3514                cx.listener(|this, _: &editor::actions::Newline, window, cx| {
3515                    this.editor_confirm(window, cx);
3516                }),
3517            )
3518            .child(self.filter_editor.clone())
3519    }
3520
3521    fn render_recent_projects_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3522        let multi_workspace = self.multi_workspace.upgrade();
3523
3524        let workspace = multi_workspace
3525            .as_ref()
3526            .map(|mw| mw.read(cx).workspace().downgrade());
3527
3528        let focus_handle = workspace
3529            .as_ref()
3530            .and_then(|ws| ws.upgrade())
3531            .map(|w| w.read(cx).focus_handle(cx))
3532            .unwrap_or_else(|| cx.focus_handle());
3533
3534        let window_project_groups: Vec<ProjectGroupKey> = multi_workspace
3535            .as_ref()
3536            .map(|mw| mw.read(cx).project_group_keys().cloned().collect())
3537            .unwrap_or_default();
3538
3539        let popover_handle = self.recent_projects_popover_handle.clone();
3540
3541        PopoverMenu::new("sidebar-recent-projects-menu")
3542            .with_handle(popover_handle)
3543            .menu(move |window, cx| {
3544                workspace.as_ref().map(|ws| {
3545                    SidebarRecentProjects::popover(
3546                        ws.clone(),
3547                        window_project_groups.clone(),
3548                        focus_handle.clone(),
3549                        window,
3550                        cx,
3551                    )
3552                })
3553            })
3554            .trigger_with_tooltip(
3555                IconButton::new("open-project", IconName::OpenFolder)
3556                    .icon_size(IconSize::Small)
3557                    .selected_style(ButtonStyle::Tinted(TintColor::Accent)),
3558                |_window, cx| {
3559                    Tooltip::for_action(
3560                        "Add Project",
3561                        &OpenRecent {
3562                            create_new_window: false,
3563                        },
3564                        cx,
3565                    )
3566                },
3567            )
3568            .offset(gpui::Point {
3569                x: px(-2.0),
3570                y: px(-2.0),
3571            })
3572            .anchor(gpui::Corner::BottomRight)
3573    }
3574
3575    fn render_view_more(
3576        &self,
3577        ix: usize,
3578        key: &ProjectGroupKey,
3579        is_fully_expanded: bool,
3580        is_selected: bool,
3581        cx: &mut Context<Self>,
3582    ) -> AnyElement {
3583        let key = key.clone();
3584        let id = SharedString::from(format!("view-more-{}", ix));
3585
3586        let label: SharedString = if is_fully_expanded {
3587            "Collapse".into()
3588        } else {
3589            "View More".into()
3590        };
3591
3592        ThreadItem::new(id, label)
3593            .focused(is_selected)
3594            .icon_visible(false)
3595            .title_label_color(Color::Muted)
3596            .on_click(cx.listener(move |this, _, _window, cx| {
3597                this.selection = None;
3598                if is_fully_expanded {
3599                    this.reset_thread_group_expansion(&key, cx);
3600                } else {
3601                    this.expand_thread_group(&key, cx);
3602                }
3603            }))
3604            .into_any_element()
3605    }
3606
3607    fn new_thread_in_group(
3608        &mut self,
3609        _: &NewThreadInGroup,
3610        window: &mut Window,
3611        cx: &mut Context<Self>,
3612    ) {
3613        // If there is a keyboard selection, walk backwards through
3614        // `project_header_indices` to find the header that owns the selected
3615        // row. Otherwise fall back to the active workspace.
3616        let workspace = if let Some(selected_ix) = self.selection {
3617            self.contents
3618                .project_header_indices
3619                .iter()
3620                .rev()
3621                .find(|&&header_ix| header_ix <= selected_ix)
3622                .and_then(|&header_ix| match &self.contents.entries[header_ix] {
3623                    ListEntry::ProjectHeader { key, .. } => {
3624                        self.multi_workspace.upgrade().and_then(|mw| {
3625                            mw.read(cx).workspace_for_paths(
3626                                key.path_list(),
3627                                key.host().as_ref(),
3628                                cx,
3629                            )
3630                        })
3631                    }
3632                    _ => None,
3633                })
3634        } else {
3635            // Use the currently active workspace.
3636            self.multi_workspace
3637                .upgrade()
3638                .map(|mw| mw.read(cx).workspace().clone())
3639        };
3640
3641        let Some(workspace) = workspace else {
3642            return;
3643        };
3644
3645        self.create_new_thread(&workspace, window, cx);
3646    }
3647
3648    fn create_new_thread(
3649        &mut self,
3650        workspace: &Entity<Workspace>,
3651        window: &mut Window,
3652        cx: &mut Context<Self>,
3653    ) {
3654        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
3655            return;
3656        };
3657
3658        self.active_entry = Some(ActiveEntry::Draft(workspace.clone()));
3659
3660        multi_workspace.update(cx, |multi_workspace, cx| {
3661            multi_workspace.activate(workspace.clone(), window, cx);
3662        });
3663
3664        workspace.update(cx, |workspace, cx| {
3665            if let Some(agent_panel) = workspace.panel::<AgentPanel>(cx) {
3666                agent_panel.update(cx, |panel, cx| {
3667                    panel.new_thread(&NewThread, window, cx);
3668                });
3669            }
3670            workspace.focus_panel::<AgentPanel>(window, cx);
3671        });
3672    }
3673
3674    fn active_project_group_key(&self, cx: &App) -> Option<ProjectGroupKey> {
3675        let multi_workspace = self.multi_workspace.upgrade()?;
3676        let multi_workspace = multi_workspace.read(cx);
3677        Some(multi_workspace.project_group_key_for_workspace(multi_workspace.workspace(), cx))
3678    }
3679
3680    fn active_project_header_position(&self, cx: &App) -> Option<usize> {
3681        let active_key = self.active_project_group_key(cx)?;
3682        self.contents
3683            .project_header_indices
3684            .iter()
3685            .position(|&entry_ix| {
3686                matches!(
3687                    &self.contents.entries[entry_ix],
3688                    ListEntry::ProjectHeader { key, .. } if *key == active_key
3689                )
3690            })
3691    }
3692
3693    fn cycle_project_impl(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
3694        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
3695            return;
3696        };
3697
3698        let header_count = self.contents.project_header_indices.len();
3699        if header_count == 0 {
3700            return;
3701        }
3702
3703        let current_pos = self.active_project_header_position(cx);
3704
3705        let next_pos = match current_pos {
3706            Some(pos) => {
3707                if forward {
3708                    (pos + 1) % header_count
3709                } else {
3710                    (pos + header_count - 1) % header_count
3711                }
3712            }
3713            None => 0,
3714        };
3715
3716        let header_entry_ix = self.contents.project_header_indices[next_pos];
3717        let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(header_entry_ix)
3718        else {
3719            return;
3720        };
3721        let key = key.clone();
3722
3723        // Uncollapse the target group so that threads become visible.
3724        self.collapsed_groups.remove(&key);
3725
3726        if let Some(workspace) = self.multi_workspace.upgrade().and_then(|mw| {
3727            mw.read(cx)
3728                .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
3729        }) {
3730            multi_workspace.update(cx, |multi_workspace, cx| {
3731                multi_workspace.activate(workspace, window, cx);
3732                multi_workspace.retain_active_workspace(cx);
3733            });
3734        } else {
3735            self.open_workspace_for_group(&key, window, cx);
3736        }
3737    }
3738
3739    fn on_next_project(&mut self, _: &NextProject, window: &mut Window, cx: &mut Context<Self>) {
3740        self.cycle_project_impl(true, window, cx);
3741    }
3742
3743    fn on_previous_project(
3744        &mut self,
3745        _: &PreviousProject,
3746        window: &mut Window,
3747        cx: &mut Context<Self>,
3748    ) {
3749        self.cycle_project_impl(false, window, cx);
3750    }
3751
3752    fn cycle_thread_impl(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
3753        let thread_indices: Vec<usize> = self
3754            .contents
3755            .entries
3756            .iter()
3757            .enumerate()
3758            .filter_map(|(ix, entry)| match entry {
3759                ListEntry::Thread(_) => Some(ix),
3760                _ => None,
3761            })
3762            .collect();
3763
3764        if thread_indices.is_empty() {
3765            return;
3766        }
3767
3768        let current_thread_pos = self.active_entry.as_ref().and_then(|active| {
3769            thread_indices
3770                .iter()
3771                .position(|&ix| active.matches_entry(&self.contents.entries[ix]))
3772        });
3773
3774        let next_pos = match current_thread_pos {
3775            Some(pos) => {
3776                let count = thread_indices.len();
3777                if forward {
3778                    (pos + 1) % count
3779                } else {
3780                    (pos + count - 1) % count
3781                }
3782            }
3783            None => 0,
3784        };
3785
3786        let entry_ix = thread_indices[next_pos];
3787        let ListEntry::Thread(thread) = &self.contents.entries[entry_ix] else {
3788            return;
3789        };
3790
3791        let metadata = thread.metadata.clone();
3792        match &thread.workspace {
3793            ThreadEntryWorkspace::Open(workspace) => {
3794                let workspace = workspace.clone();
3795                self.activate_thread(metadata, &workspace, true, window, cx);
3796            }
3797            ThreadEntryWorkspace::Closed {
3798                folder_paths,
3799                project_group_key,
3800            } => {
3801                let folder_paths = folder_paths.clone();
3802                let project_group_key = project_group_key.clone();
3803                self.open_workspace_and_activate_thread(
3804                    metadata,
3805                    folder_paths,
3806                    &project_group_key,
3807                    window,
3808                    cx,
3809                );
3810            }
3811        }
3812    }
3813
3814    fn on_next_thread(&mut self, _: &NextThread, window: &mut Window, cx: &mut Context<Self>) {
3815        self.cycle_thread_impl(true, window, cx);
3816    }
3817
3818    fn on_previous_thread(
3819        &mut self,
3820        _: &PreviousThread,
3821        window: &mut Window,
3822        cx: &mut Context<Self>,
3823    ) {
3824        self.cycle_thread_impl(false, window, cx);
3825    }
3826
3827    fn expand_thread_group(&mut self, project_group_key: &ProjectGroupKey, cx: &mut Context<Self>) {
3828        let current = self
3829            .expanded_groups
3830            .get(project_group_key)
3831            .copied()
3832            .unwrap_or(0);
3833        self.expanded_groups
3834            .insert(project_group_key.clone(), current + 1);
3835        self.serialize(cx);
3836        self.update_entries(cx);
3837    }
3838
3839    fn reset_thread_group_expansion(
3840        &mut self,
3841        project_group_key: &ProjectGroupKey,
3842        cx: &mut Context<Self>,
3843    ) {
3844        self.expanded_groups.remove(project_group_key);
3845        self.serialize(cx);
3846        self.update_entries(cx);
3847    }
3848
3849    fn collapse_thread_group(
3850        &mut self,
3851        project_group_key: &ProjectGroupKey,
3852        cx: &mut Context<Self>,
3853    ) {
3854        match self.expanded_groups.get(project_group_key).copied() {
3855            Some(batches) if batches > 1 => {
3856                self.expanded_groups
3857                    .insert(project_group_key.clone(), batches - 1);
3858            }
3859            Some(_) => {
3860                self.expanded_groups.remove(project_group_key);
3861            }
3862            None => return,
3863        }
3864        self.serialize(cx);
3865        self.update_entries(cx);
3866    }
3867
3868    fn on_show_more_threads(
3869        &mut self,
3870        _: &ShowMoreThreads,
3871        _window: &mut Window,
3872        cx: &mut Context<Self>,
3873    ) {
3874        let Some(active_key) = self.active_project_group_key(cx) else {
3875            return;
3876        };
3877        self.expand_thread_group(&active_key, cx);
3878    }
3879
3880    fn on_show_fewer_threads(
3881        &mut self,
3882        _: &ShowFewerThreads,
3883        _window: &mut Window,
3884        cx: &mut Context<Self>,
3885    ) {
3886        let Some(active_key) = self.active_project_group_key(cx) else {
3887            return;
3888        };
3889        self.collapse_thread_group(&active_key, cx);
3890    }
3891
3892    fn on_new_thread(
3893        &mut self,
3894        _: &workspace::NewThread,
3895        window: &mut Window,
3896        cx: &mut Context<Self>,
3897    ) {
3898        let Some(workspace) = self.active_workspace(cx) else {
3899            return;
3900        };
3901        self.create_new_thread(&workspace, window, cx);
3902    }
3903
3904    fn render_draft_thread(
3905        &self,
3906        ix: usize,
3907        is_active: bool,
3908        worktrees: &[WorktreeInfo],
3909        is_selected: bool,
3910        cx: &mut Context<Self>,
3911    ) -> AnyElement {
3912        let label: SharedString = if is_active {
3913            self.active_draft_text(cx)
3914                .unwrap_or_else(|| "New Thread".into())
3915        } else {
3916            "New Thread".into()
3917        };
3918
3919        let id = SharedString::from(format!("draft-thread-btn-{}", ix));
3920
3921        let thread_item = ThreadItem::new(id, label)
3922            .icon(IconName::Plus)
3923            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.8)))
3924            .worktrees(
3925                worktrees
3926                    .iter()
3927                    .map(|wt| ThreadItemWorktreeInfo {
3928                        name: wt.name.clone(),
3929                        full_path: wt.full_path.clone(),
3930                        highlight_positions: wt.highlight_positions.clone(),
3931                        kind: wt.kind,
3932                    })
3933                    .collect(),
3934            )
3935            .selected(true)
3936            .focused(is_selected)
3937            .on_click(cx.listener(|this, _, window, cx| {
3938                if let Some(workspace) = this.active_workspace(cx) {
3939                    if !AgentPanel::is_visible(&workspace, cx) {
3940                        workspace.update(cx, |workspace, cx| {
3941                            workspace.focus_panel::<AgentPanel>(window, cx);
3942                        });
3943                    }
3944                }
3945            }));
3946
3947        div()
3948            .on_mouse_down(gpui::MouseButton::Left, |_, _, cx| {
3949                cx.stop_propagation();
3950            })
3951            .child(thread_item)
3952            .into_any_element()
3953    }
3954
3955    fn render_new_thread(
3956        &self,
3957        ix: usize,
3958        key: &ProjectGroupKey,
3959        worktrees: &[WorktreeInfo],
3960        workspace: Option<&Entity<Workspace>>,
3961        is_selected: bool,
3962        cx: &mut Context<Self>,
3963    ) -> AnyElement {
3964        let label: SharedString = DEFAULT_THREAD_TITLE.into();
3965        let key = key.clone();
3966
3967        let id = SharedString::from(format!("new-thread-btn-{}", ix));
3968
3969        let mut thread_item = ThreadItem::new(id, label)
3970            .icon(IconName::Plus)
3971            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.8)))
3972            .worktrees(
3973                worktrees
3974                    .iter()
3975                    .map(|wt| ThreadItemWorktreeInfo {
3976                        name: wt.name.clone(),
3977                        full_path: wt.full_path.clone(),
3978                        highlight_positions: wt.highlight_positions.clone(),
3979                        kind: wt.kind,
3980                    })
3981                    .collect(),
3982            )
3983            .selected(false)
3984            .focused(is_selected)
3985            .on_click(cx.listener(move |this, _, window, cx| {
3986                this.selection = None;
3987                if let Some(workspace) = this.multi_workspace.upgrade().and_then(|mw| {
3988                    mw.read(cx)
3989                        .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
3990                }) {
3991                    this.create_new_thread(&workspace, window, cx);
3992                } else {
3993                    this.open_workspace_for_group(&key, window, cx);
3994                }
3995            }));
3996
3997        // Linked worktree DraftThread entries can be dismissed, which removes
3998        // the workspace from the multi-workspace.
3999        if let Some(workspace) = workspace.cloned() {
4000            thread_item = thread_item.action_slot(
4001                IconButton::new("close-worktree-workspace", IconName::Close)
4002                    .icon_size(IconSize::Small)
4003                    .icon_color(Color::Muted)
4004                    .tooltip(Tooltip::text("Close Workspace"))
4005                    .on_click(cx.listener(move |this, _, window, cx| {
4006                        this.remove_worktree_workspace(workspace.clone(), window, cx);
4007                    })),
4008            );
4009        }
4010
4011        thread_item.into_any_element()
4012    }
4013
4014    fn render_no_results(&self, cx: &mut Context<Self>) -> impl IntoElement {
4015        let has_query = self.has_filter_query(cx);
4016        let message = if has_query {
4017            "No threads match your search."
4018        } else {
4019            "No threads yet"
4020        };
4021
4022        v_flex()
4023            .id("sidebar-no-results")
4024            .p_4()
4025            .size_full()
4026            .items_center()
4027            .justify_center()
4028            .child(
4029                Label::new(message)
4030                    .size(LabelSize::Small)
4031                    .color(Color::Muted),
4032            )
4033    }
4034
4035    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
4036        v_flex()
4037            .id("sidebar-empty-state")
4038            .p_4()
4039            .size_full()
4040            .items_center()
4041            .justify_center()
4042            .gap_1()
4043            .track_focus(&self.focus_handle(cx))
4044            .child(
4045                Button::new("open_project", "Open Project")
4046                    .full_width()
4047                    .key_binding(KeyBinding::for_action(&workspace::Open::default(), cx))
4048                    .on_click(|_, window, cx| {
4049                        window.dispatch_action(
4050                            Open {
4051                                create_new_window: false,
4052                            }
4053                            .boxed_clone(),
4054                            cx,
4055                        );
4056                    }),
4057            )
4058            .child(
4059                h_flex()
4060                    .w_1_2()
4061                    .gap_2()
4062                    .child(Divider::horizontal().color(ui::DividerColor::Border))
4063                    .child(Label::new("or").size(LabelSize::XSmall).color(Color::Muted))
4064                    .child(Divider::horizontal().color(ui::DividerColor::Border)),
4065            )
4066            .child(
4067                Button::new("clone_repo", "Clone Repository")
4068                    .full_width()
4069                    .on_click(|_, window, cx| {
4070                        window.dispatch_action(git::Clone.boxed_clone(), cx);
4071                    }),
4072            )
4073    }
4074
4075    fn render_sidebar_header(
4076        &self,
4077        no_open_projects: bool,
4078        window: &Window,
4079        cx: &mut Context<Self>,
4080    ) -> impl IntoElement {
4081        let has_query = self.has_filter_query(cx);
4082        let sidebar_on_left = self.side(cx) == SidebarSide::Left;
4083        let sidebar_on_right = self.side(cx) == SidebarSide::Right;
4084        let not_fullscreen = !window.is_fullscreen();
4085        let traffic_lights = cfg!(target_os = "macos") && not_fullscreen && sidebar_on_left;
4086        let left_window_controls = !cfg!(target_os = "macos") && not_fullscreen && sidebar_on_left;
4087        let right_window_controls =
4088            !cfg!(target_os = "macos") && not_fullscreen && sidebar_on_right;
4089        let header_height = platform_title_bar_height(window);
4090
4091        h_flex()
4092            .h(header_height)
4093            .mt_px()
4094            .pb_px()
4095            .when(left_window_controls, |this| {
4096                this.children(Self::render_left_window_controls(window, cx))
4097            })
4098            .map(|this| {
4099                if traffic_lights {
4100                    this.pl(px(ui::utils::TRAFFIC_LIGHT_PADDING))
4101                } else if !left_window_controls {
4102                    this.pl_1p5()
4103                } else {
4104                    this
4105                }
4106            })
4107            .when(!right_window_controls, |this| this.pr_1p5())
4108            .gap_1()
4109            .when(!no_open_projects, |this| {
4110                this.border_b_1()
4111                    .border_color(cx.theme().colors().border)
4112                    .when(traffic_lights, |this| {
4113                        this.child(Divider::vertical().color(ui::DividerColor::Border))
4114                    })
4115                    .child(
4116                        div().ml_1().child(
4117                            Icon::new(IconName::MagnifyingGlass)
4118                                .size(IconSize::Small)
4119                                .color(Color::Muted),
4120                        ),
4121                    )
4122                    .child(self.render_filter_input(cx))
4123                    .child(
4124                        h_flex()
4125                            .gap_1()
4126                            .when(
4127                                self.selection.is_some()
4128                                    && !self.filter_editor.focus_handle(cx).is_focused(window),
4129                                |this| this.child(KeyBinding::for_action(&FocusSidebarFilter, cx)),
4130                            )
4131                            .when(has_query, |this| {
4132                                this.child(
4133                                    IconButton::new("clear_filter", IconName::Close)
4134                                        .icon_size(IconSize::Small)
4135                                        .tooltip(Tooltip::text("Clear Search"))
4136                                        .on_click(cx.listener(|this, _, window, cx| {
4137                                            this.reset_filter_editor_text(window, cx);
4138                                            this.update_entries(cx);
4139                                        })),
4140                                )
4141                            }),
4142                    )
4143            })
4144            .when(right_window_controls, |this| {
4145                this.children(Self::render_right_window_controls(window, cx))
4146            })
4147    }
4148
4149    fn render_left_window_controls(window: &Window, cx: &mut App) -> Option<AnyElement> {
4150        platform_title_bar::render_left_window_controls(
4151            cx.button_layout(),
4152            Box::new(CloseWindow),
4153            window,
4154        )
4155    }
4156
4157    fn render_right_window_controls(window: &Window, cx: &mut App) -> Option<AnyElement> {
4158        platform_title_bar::render_right_window_controls(
4159            cx.button_layout(),
4160            Box::new(CloseWindow),
4161            window,
4162        )
4163    }
4164
4165    fn render_sidebar_toggle_button(&self, _cx: &mut Context<Self>) -> impl IntoElement {
4166        let on_right = AgentSettings::get_global(_cx).sidebar_side() == SidebarSide::Right;
4167
4168        sidebar_side_context_menu("sidebar-toggle-menu", _cx)
4169            .anchor(if on_right {
4170                gpui::Corner::BottomRight
4171            } else {
4172                gpui::Corner::BottomLeft
4173            })
4174            .attach(if on_right {
4175                gpui::Corner::TopRight
4176            } else {
4177                gpui::Corner::TopLeft
4178            })
4179            .trigger(move |_is_active, _window, _cx| {
4180                let icon = if on_right {
4181                    IconName::ThreadsSidebarRightOpen
4182                } else {
4183                    IconName::ThreadsSidebarLeftOpen
4184                };
4185                IconButton::new("sidebar-close-toggle", icon)
4186                    .icon_size(IconSize::Small)
4187                    .tooltip(Tooltip::element(move |_window, cx| {
4188                        v_flex()
4189                            .gap_1()
4190                            .child(
4191                                h_flex()
4192                                    .gap_2()
4193                                    .justify_between()
4194                                    .child(Label::new("Toggle Sidebar"))
4195                                    .child(KeyBinding::for_action(&ToggleWorkspaceSidebar, cx)),
4196                            )
4197                            .child(
4198                                h_flex()
4199                                    .pt_1()
4200                                    .gap_2()
4201                                    .border_t_1()
4202                                    .border_color(cx.theme().colors().border_variant)
4203                                    .justify_between()
4204                                    .child(Label::new("Focus Sidebar"))
4205                                    .child(KeyBinding::for_action(&FocusWorkspaceSidebar, cx)),
4206                            )
4207                            .into_any_element()
4208                    }))
4209                    .on_click(|_, window, cx| {
4210                        if let Some(multi_workspace) = window.root::<MultiWorkspace>().flatten() {
4211                            multi_workspace.update(cx, |multi_workspace, cx| {
4212                                multi_workspace.close_sidebar(window, cx);
4213                            });
4214                        }
4215                    })
4216            })
4217    }
4218
4219    fn render_sidebar_bottom_bar(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
4220        let is_archive = matches!(self.view, SidebarView::Archive(..));
4221        let show_import_button = is_archive && !self.should_render_acp_import_onboarding(cx);
4222        let on_right = self.side(cx) == SidebarSide::Right;
4223
4224        let action_buttons = h_flex()
4225            .gap_1()
4226            .when(on_right, |this| this.flex_row_reverse())
4227            .when(show_import_button, |this| {
4228                this.child(
4229                    IconButton::new("thread-import", IconName::ThreadImport)
4230                        .icon_size(IconSize::Small)
4231                        .tooltip(Tooltip::text("Import ACP Threads"))
4232                        .on_click(cx.listener(|this, _, window, cx| {
4233                            this.show_archive(window, cx);
4234                            this.show_thread_import_modal(window, cx);
4235                        })),
4236                )
4237            })
4238            .child(
4239                IconButton::new("archive", IconName::Archive)
4240                    .icon_size(IconSize::Small)
4241                    .toggle_state(is_archive)
4242                    .tooltip(move |_, cx| {
4243                        Tooltip::for_action("Toggle Archived Threads", &ToggleArchive, cx)
4244                    })
4245                    .on_click(cx.listener(|this, _, window, cx| {
4246                        this.toggle_archive(&ToggleArchive, window, cx);
4247                    })),
4248            )
4249            .child(self.render_recent_projects_button(cx));
4250
4251        h_flex()
4252            .p_1()
4253            .gap_1()
4254            .when(on_right, |this| this.flex_row_reverse())
4255            .justify_between()
4256            .border_t_1()
4257            .border_color(cx.theme().colors().border)
4258            .child(self.render_sidebar_toggle_button(cx))
4259            .child(action_buttons)
4260    }
4261
4262    fn active_workspace(&self, cx: &App) -> Option<Entity<Workspace>> {
4263        self.multi_workspace
4264            .upgrade()
4265            .map(|w| w.read(cx).workspace().clone())
4266    }
4267
4268    fn show_thread_import_modal(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4269        let Some(active_workspace) = self.active_workspace(cx) else {
4270            return;
4271        };
4272
4273        let Some(agent_registry_store) = AgentRegistryStore::try_global(cx) else {
4274            return;
4275        };
4276
4277        let agent_server_store = active_workspace
4278            .read(cx)
4279            .project()
4280            .read(cx)
4281            .agent_server_store()
4282            .clone();
4283
4284        let workspace_handle = active_workspace.downgrade();
4285        let multi_workspace = self.multi_workspace.clone();
4286
4287        active_workspace.update(cx, |workspace, cx| {
4288            workspace.toggle_modal(window, cx, |window, cx| {
4289                ThreadImportModal::new(
4290                    agent_server_store,
4291                    agent_registry_store,
4292                    workspace_handle.clone(),
4293                    multi_workspace.clone(),
4294                    window,
4295                    cx,
4296                )
4297            });
4298        });
4299    }
4300
4301    fn should_render_acp_import_onboarding(&self, cx: &App) -> bool {
4302        let has_external_agents = self
4303            .active_workspace(cx)
4304            .map(|ws| {
4305                ws.read(cx)
4306                    .project()
4307                    .read(cx)
4308                    .agent_server_store()
4309                    .read(cx)
4310                    .has_external_agents()
4311            })
4312            .unwrap_or(false);
4313
4314        has_external_agents && !AcpThreadImportOnboarding::dismissed(cx)
4315    }
4316
4317    fn render_acp_import_onboarding(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
4318        let description =
4319            "Import threads from your ACP agents — whether started in Zed or another client.";
4320
4321        let bg = cx.theme().colors().text_accent;
4322
4323        v_flex()
4324            .min_w_0()
4325            .w_full()
4326            .p_2()
4327            .border_t_1()
4328            .border_color(cx.theme().colors().border)
4329            .bg(linear_gradient(
4330                360.,
4331                linear_color_stop(bg.opacity(0.06), 1.),
4332                linear_color_stop(bg.opacity(0.), 0.),
4333            ))
4334            .child(
4335                h_flex()
4336                    .min_w_0()
4337                    .w_full()
4338                    .gap_1()
4339                    .justify_between()
4340                    .child(Label::new("Looking for ACP threads?"))
4341                    .child(
4342                        IconButton::new("close-onboarding", IconName::Close)
4343                            .icon_size(IconSize::Small)
4344                            .on_click(|_, _window, cx| AcpThreadImportOnboarding::dismiss(cx)),
4345                    ),
4346            )
4347            .child(Label::new(description).color(Color::Muted).mb_2())
4348            .child(
4349                Button::new("import-acp", "Import ACP Threads")
4350                    .full_width()
4351                    .style(ButtonStyle::OutlinedCustom(cx.theme().colors().border))
4352                    .label_size(LabelSize::Small)
4353                    .start_icon(
4354                        Icon::new(IconName::ThreadImport)
4355                            .size(IconSize::Small)
4356                            .color(Color::Muted),
4357                    )
4358                    .on_click(cx.listener(|this, _, window, cx| {
4359                        this.show_archive(window, cx);
4360                        this.show_thread_import_modal(window, cx);
4361                    })),
4362            )
4363    }
4364
4365    fn toggle_archive(&mut self, _: &ToggleArchive, window: &mut Window, cx: &mut Context<Self>) {
4366        match &self.view {
4367            SidebarView::ThreadList => self.show_archive(window, cx),
4368            SidebarView::Archive(_) => self.show_thread_list(window, cx),
4369        }
4370    }
4371
4372    fn show_archive(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4373        let Some(active_workspace) = self
4374            .multi_workspace
4375            .upgrade()
4376            .map(|w| w.read(cx).workspace().clone())
4377        else {
4378            return;
4379        };
4380        let Some(agent_panel) = active_workspace.read(cx).panel::<AgentPanel>(cx) else {
4381            return;
4382        };
4383
4384        let agent_server_store = active_workspace
4385            .read(cx)
4386            .project()
4387            .read(cx)
4388            .agent_server_store()
4389            .downgrade();
4390
4391        let agent_connection_store = agent_panel.read(cx).connection_store().downgrade();
4392
4393        let archive_view = cx.new(|cx| {
4394            ThreadsArchiveView::new(
4395                active_workspace.downgrade(),
4396                agent_connection_store.clone(),
4397                agent_server_store.clone(),
4398                window,
4399                cx,
4400            )
4401        });
4402
4403        let subscription = cx.subscribe_in(
4404            &archive_view,
4405            window,
4406            |this, _, event: &ThreadsArchiveViewEvent, window, cx| match event {
4407                ThreadsArchiveViewEvent::Close => {
4408                    this.show_thread_list(window, cx);
4409                }
4410                ThreadsArchiveViewEvent::Unarchive { thread } => {
4411                    this.activate_archived_thread(thread.clone(), window, cx);
4412                }
4413                ThreadsArchiveViewEvent::CancelRestore { session_id } => {
4414                    this.restoring_tasks.remove(session_id);
4415                }
4416            },
4417        );
4418
4419        self._subscriptions.push(subscription);
4420        self.view = SidebarView::Archive(archive_view.clone());
4421        archive_view.update(cx, |view, cx| view.focus_filter_editor(window, cx));
4422        self.serialize(cx);
4423        cx.notify();
4424    }
4425
4426    fn show_thread_list(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4427        self.view = SidebarView::ThreadList;
4428        self._subscriptions.clear();
4429        let handle = self.filter_editor.read(cx).focus_handle(cx);
4430        handle.focus(window, cx);
4431        self.serialize(cx);
4432        cx.notify();
4433    }
4434}
4435
4436impl WorkspaceSidebar for Sidebar {
4437    fn width(&self, _cx: &App) -> Pixels {
4438        self.width
4439    }
4440
4441    fn set_width(&mut self, width: Option<Pixels>, cx: &mut Context<Self>) {
4442        self.width = width.unwrap_or(DEFAULT_WIDTH).clamp(MIN_WIDTH, MAX_WIDTH);
4443        cx.notify();
4444    }
4445
4446    fn has_notifications(&self, _cx: &App) -> bool {
4447        !self.contents.notified_threads.is_empty()
4448    }
4449
4450    fn is_threads_list_view_active(&self) -> bool {
4451        matches!(self.view, SidebarView::ThreadList)
4452    }
4453
4454    fn side(&self, cx: &App) -> SidebarSide {
4455        AgentSettings::get_global(cx).sidebar_side()
4456    }
4457
4458    fn prepare_for_focus(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4459        self.selection = None;
4460        cx.notify();
4461    }
4462
4463    fn toggle_thread_switcher(
4464        &mut self,
4465        select_last: bool,
4466        window: &mut Window,
4467        cx: &mut Context<Self>,
4468    ) {
4469        self.toggle_thread_switcher_impl(select_last, window, cx);
4470    }
4471
4472    fn cycle_project(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
4473        self.cycle_project_impl(forward, window, cx);
4474    }
4475
4476    fn cycle_thread(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
4477        self.cycle_thread_impl(forward, window, cx);
4478    }
4479
4480    fn serialized_state(&self, _cx: &App) -> Option<String> {
4481        let serialized = SerializedSidebar {
4482            width: Some(f32::from(self.width)),
4483            collapsed_groups: self
4484                .collapsed_groups
4485                .iter()
4486                .cloned()
4487                .map(SerializedProjectGroupKey::from)
4488                .collect(),
4489            expanded_groups: self
4490                .expanded_groups
4491                .iter()
4492                .map(|(key, count)| (SerializedProjectGroupKey::from(key.clone()), *count))
4493                .collect(),
4494            active_view: match self.view {
4495                SidebarView::ThreadList => SerializedSidebarView::ThreadList,
4496                SidebarView::Archive(_) => SerializedSidebarView::Archive,
4497            },
4498        };
4499        serde_json::to_string(&serialized).ok()
4500    }
4501
4502    fn restore_serialized_state(
4503        &mut self,
4504        state: &str,
4505        window: &mut Window,
4506        cx: &mut Context<Self>,
4507    ) {
4508        if let Some(serialized) = serde_json::from_str::<SerializedSidebar>(state).log_err() {
4509            if let Some(width) = serialized.width {
4510                self.width = px(width).clamp(MIN_WIDTH, MAX_WIDTH);
4511            }
4512            self.collapsed_groups = serialized
4513                .collapsed_groups
4514                .into_iter()
4515                .map(ProjectGroupKey::from)
4516                .collect();
4517            self.expanded_groups = serialized
4518                .expanded_groups
4519                .into_iter()
4520                .map(|(s, count)| (ProjectGroupKey::from(s), count))
4521                .collect();
4522            if serialized.active_view == SerializedSidebarView::Archive {
4523                cx.defer_in(window, |this, window, cx| {
4524                    this.show_archive(window, cx);
4525                });
4526            }
4527        }
4528        cx.notify();
4529    }
4530}
4531
4532impl gpui::EventEmitter<workspace::SidebarEvent> for Sidebar {}
4533
4534impl Focusable for Sidebar {
4535    fn focus_handle(&self, _cx: &App) -> FocusHandle {
4536        self.focus_handle.clone()
4537    }
4538}
4539
4540impl Render for Sidebar {
4541    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4542        let _titlebar_height = ui::utils::platform_title_bar_height(window);
4543        let ui_font = theme_settings::setup_ui_font(window, cx);
4544        let sticky_header = self.render_sticky_header(window, cx);
4545
4546        let color = cx.theme().colors();
4547        let bg = color
4548            .title_bar_background
4549            .blend(color.panel_background.opacity(0.25));
4550
4551        let no_open_projects = !self.contents.has_open_projects;
4552        let no_search_results = self.contents.entries.is_empty();
4553
4554        v_flex()
4555            .id("workspace-sidebar")
4556            .key_context(self.dispatch_context(window, cx))
4557            .track_focus(&self.focus_handle)
4558            .on_action(cx.listener(Self::select_next))
4559            .on_action(cx.listener(Self::select_previous))
4560            .on_action(cx.listener(Self::editor_move_down))
4561            .on_action(cx.listener(Self::editor_move_up))
4562            .on_action(cx.listener(Self::select_first))
4563            .on_action(cx.listener(Self::select_last))
4564            .on_action(cx.listener(Self::confirm))
4565            .on_action(cx.listener(Self::expand_selected_entry))
4566            .on_action(cx.listener(Self::collapse_selected_entry))
4567            .on_action(cx.listener(Self::toggle_selected_fold))
4568            .on_action(cx.listener(Self::fold_all))
4569            .on_action(cx.listener(Self::unfold_all))
4570            .on_action(cx.listener(Self::cancel))
4571            .on_action(cx.listener(Self::remove_selected_thread))
4572            .on_action(cx.listener(Self::new_thread_in_group))
4573            .on_action(cx.listener(Self::toggle_archive))
4574            .on_action(cx.listener(Self::focus_sidebar_filter))
4575            .on_action(cx.listener(Self::on_toggle_thread_switcher))
4576            .on_action(cx.listener(Self::on_next_project))
4577            .on_action(cx.listener(Self::on_previous_project))
4578            .on_action(cx.listener(Self::on_next_thread))
4579            .on_action(cx.listener(Self::on_previous_thread))
4580            .on_action(cx.listener(Self::on_show_more_threads))
4581            .on_action(cx.listener(Self::on_show_fewer_threads))
4582            .on_action(cx.listener(Self::on_new_thread))
4583            .on_action(cx.listener(|this, _: &OpenRecent, window, cx| {
4584                this.recent_projects_popover_handle.toggle(window, cx);
4585            }))
4586            .font(ui_font)
4587            .h_full()
4588            .w(self.width)
4589            .bg(bg)
4590            .when(self.side(cx) == SidebarSide::Left, |el| el.border_r_1())
4591            .when(self.side(cx) == SidebarSide::Right, |el| el.border_l_1())
4592            .border_color(color.border)
4593            .map(|this| match &self.view {
4594                SidebarView::ThreadList => this
4595                    .child(self.render_sidebar_header(no_open_projects, window, cx))
4596                    .map(|this| {
4597                        if no_open_projects {
4598                            this.child(self.render_empty_state(cx))
4599                        } else {
4600                            this.child(
4601                                v_flex()
4602                                    .relative()
4603                                    .flex_1()
4604                                    .overflow_hidden()
4605                                    .child(
4606                                        list(
4607                                            self.list_state.clone(),
4608                                            cx.processor(Self::render_list_entry),
4609                                        )
4610                                        .flex_1()
4611                                        .size_full(),
4612                                    )
4613                                    .when(no_search_results, |this| {
4614                                        this.child(self.render_no_results(cx))
4615                                    })
4616                                    .when_some(sticky_header, |this, header| this.child(header))
4617                                    .vertical_scrollbar_for(&self.list_state, window, cx),
4618                            )
4619                        }
4620                    }),
4621                SidebarView::Archive(archive_view) => this.child(archive_view.clone()),
4622            })
4623            .when(self.should_render_acp_import_onboarding(cx), |this| {
4624                this.child(self.render_acp_import_onboarding(cx))
4625            })
4626            .child(self.render_sidebar_bottom_bar(cx))
4627    }
4628}
4629
4630fn all_thread_infos_for_workspace(
4631    workspace: &Entity<Workspace>,
4632    cx: &App,
4633) -> impl Iterator<Item = ActiveThreadInfo> {
4634    let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) else {
4635        return None.into_iter().flatten();
4636    };
4637    let agent_panel = agent_panel.read(cx);
4638    let threads = agent_panel
4639        .conversation_views()
4640        .into_iter()
4641        .filter_map(|conversation_view| {
4642            let has_pending_tool_call = conversation_view
4643                .read(cx)
4644                .root_thread_has_pending_tool_call(cx);
4645            let thread_view = conversation_view.read(cx).root_thread(cx)?;
4646            let thread_view_ref = thread_view.read(cx);
4647            let thread = thread_view_ref.thread.read(cx);
4648
4649            let icon = thread_view_ref.agent_icon;
4650            let icon_from_external_svg = thread_view_ref.agent_icon_from_external_svg.clone();
4651            let title = thread
4652                .title()
4653                .unwrap_or_else(|| DEFAULT_THREAD_TITLE.into());
4654            let is_native = thread_view_ref.as_native_thread(cx).is_some();
4655            let is_title_generating = is_native && thread.has_provisional_title();
4656            let session_id = thread.session_id().clone();
4657            let is_background = agent_panel.is_background_thread(&session_id);
4658
4659            let status = if has_pending_tool_call {
4660                AgentThreadStatus::WaitingForConfirmation
4661            } else if thread.had_error() {
4662                AgentThreadStatus::Error
4663            } else {
4664                match thread.status() {
4665                    ThreadStatus::Generating => AgentThreadStatus::Running,
4666                    ThreadStatus::Idle => AgentThreadStatus::Completed,
4667                }
4668            };
4669
4670            let diff_stats = thread.action_log().read(cx).diff_stats(cx);
4671
4672            Some(ActiveThreadInfo {
4673                session_id,
4674                title,
4675                status,
4676                icon,
4677                icon_from_external_svg,
4678                is_background,
4679                is_title_generating,
4680                diff_stats,
4681            })
4682        });
4683
4684    Some(threads).into_iter().flatten()
4685}
4686
4687pub fn dump_workspace_info(
4688    workspace: &mut Workspace,
4689    _: &DumpWorkspaceInfo,
4690    window: &mut gpui::Window,
4691    cx: &mut gpui::Context<Workspace>,
4692) {
4693    use std::fmt::Write;
4694
4695    let mut output = String::new();
4696    let this_entity = cx.entity();
4697
4698    let multi_workspace = workspace.multi_workspace().and_then(|weak| weak.upgrade());
4699    let workspaces: Vec<gpui::Entity<Workspace>> = match &multi_workspace {
4700        Some(mw) => mw.read(cx).workspaces().cloned().collect(),
4701        None => vec![this_entity.clone()],
4702    };
4703    let active_workspace = multi_workspace
4704        .as_ref()
4705        .map(|mw| mw.read(cx).workspace().clone());
4706
4707    writeln!(output, "MultiWorkspace: {} workspace(s)", workspaces.len()).ok();
4708
4709    if let Some(mw) = &multi_workspace {
4710        let keys: Vec<_> = mw.read(cx).project_group_keys().cloned().collect();
4711        writeln!(output, "Project group keys ({}):", keys.len()).ok();
4712        for key in keys {
4713            writeln!(output, "  - {key:?}").ok();
4714        }
4715    }
4716
4717    writeln!(output).ok();
4718
4719    for (index, ws) in workspaces.iter().enumerate() {
4720        let is_active = active_workspace.as_ref() == Some(ws);
4721        writeln!(
4722            output,
4723            "--- Workspace {index}{} ---",
4724            if is_active { " (active)" } else { "" }
4725        )
4726        .ok();
4727
4728        // The action handler is already inside an update on `this_entity`,
4729        // so we must avoid a nested read/update on that same entity.
4730        if *ws == this_entity {
4731            dump_single_workspace(workspace, &mut output, cx);
4732        } else {
4733            ws.read_with(cx, |ws, cx| {
4734                dump_single_workspace(ws, &mut output, cx);
4735            });
4736        }
4737    }
4738
4739    let project = workspace.project().clone();
4740    cx.spawn_in(window, async move |_this, cx| {
4741        let buffer = project
4742            .update(cx, |project, cx| project.create_buffer(None, false, cx))
4743            .await?;
4744
4745        buffer.update(cx, |buffer, cx| {
4746            buffer.set_text(output, cx);
4747        });
4748
4749        let buffer = cx.new(|cx| {
4750            editor::MultiBuffer::singleton(buffer, cx).with_title("Workspace Info".into())
4751        });
4752
4753        _this.update_in(cx, |workspace, window, cx| {
4754            workspace.add_item_to_active_pane(
4755                Box::new(cx.new(|cx| {
4756                    let mut editor =
4757                        editor::Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4758                    editor.set_read_only(true);
4759                    editor.set_should_serialize(false, cx);
4760                    editor.set_breadcrumb_header("Workspace Info".into());
4761                    editor
4762                })),
4763                None,
4764                true,
4765                window,
4766                cx,
4767            );
4768        })
4769    })
4770    .detach_and_log_err(cx);
4771}
4772
4773fn dump_single_workspace(workspace: &Workspace, output: &mut String, cx: &gpui::App) {
4774    use std::fmt::Write;
4775
4776    let workspace_db_id = workspace.database_id();
4777    match workspace_db_id {
4778        Some(id) => writeln!(output, "Workspace DB ID: {id:?}").ok(),
4779        None => writeln!(output, "Workspace DB ID: (none)").ok(),
4780    };
4781
4782    let project = workspace.project().read(cx);
4783
4784    let repos: Vec<_> = project
4785        .repositories(cx)
4786        .values()
4787        .map(|repo| repo.read(cx).snapshot())
4788        .collect();
4789
4790    writeln!(output, "Worktrees:").ok();
4791    for worktree in project.worktrees(cx) {
4792        let worktree = worktree.read(cx);
4793        let abs_path = worktree.abs_path();
4794        let visible = worktree.is_visible();
4795
4796        let repo_info = repos
4797            .iter()
4798            .find(|snapshot| abs_path.starts_with(&*snapshot.work_directory_abs_path));
4799
4800        let is_linked = repo_info.map(|s| s.is_linked_worktree()).unwrap_or(false);
4801        let original_repo_path = repo_info.map(|s| &s.original_repo_abs_path);
4802        let branch = repo_info.and_then(|s| s.branch.as_ref().map(|b| b.ref_name.clone()));
4803
4804        write!(output, "  - {}", abs_path.display()).ok();
4805        if !visible {
4806            write!(output, " (hidden)").ok();
4807        }
4808        if let Some(branch) = &branch {
4809            write!(output, " [branch: {branch}]").ok();
4810        }
4811        if is_linked {
4812            if let Some(original) = original_repo_path {
4813                write!(output, " [linked worktree -> {}]", original.display()).ok();
4814            } else {
4815                write!(output, " [linked worktree]").ok();
4816            }
4817        }
4818        writeln!(output).ok();
4819    }
4820
4821    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4822        let panel = panel.read(cx);
4823
4824        let panel_workspace_id = panel.workspace_id();
4825        if panel_workspace_id != workspace_db_id {
4826            writeln!(
4827                output,
4828                "  \u{26a0} workspace ID mismatch! panel has {panel_workspace_id:?}, workspace has {workspace_db_id:?}"
4829            )
4830            .ok();
4831        }
4832
4833        if let Some(thread) = panel.active_agent_thread(cx) {
4834            let thread = thread.read(cx);
4835            let title = thread.title().unwrap_or_else(|| "(untitled)".into());
4836            let session_id = thread.session_id();
4837            let status = match thread.status() {
4838                ThreadStatus::Idle => "idle",
4839                ThreadStatus::Generating => "generating",
4840            };
4841            let entry_count = thread.entries().len();
4842            write!(output, "Active thread: {title} (session: {session_id})").ok();
4843            write!(output, " [{status}, {entry_count} entries").ok();
4844            if panel
4845                .active_conversation_view()
4846                .is_some_and(|conversation_view| {
4847                    conversation_view
4848                        .read(cx)
4849                        .root_thread_has_pending_tool_call(cx)
4850                })
4851            {
4852                write!(output, ", awaiting confirmation").ok();
4853            }
4854            writeln!(output, "]").ok();
4855        } else {
4856            writeln!(output, "Active thread: (none)").ok();
4857        }
4858
4859        let background_threads = panel.background_threads();
4860        if !background_threads.is_empty() {
4861            writeln!(
4862                output,
4863                "Background threads ({}): ",
4864                background_threads.len()
4865            )
4866            .ok();
4867            for (session_id, conversation_view) in background_threads {
4868                if let Some(thread_view) = conversation_view.read(cx).root_thread(cx) {
4869                    let thread = thread_view.read(cx).thread.read(cx);
4870                    let title = thread.title().unwrap_or_else(|| "(untitled)".into());
4871                    let status = match thread.status() {
4872                        ThreadStatus::Idle => "idle",
4873                        ThreadStatus::Generating => "generating",
4874                    };
4875                    let entry_count = thread.entries().len();
4876                    write!(output, "  - {title} (session: {session_id})").ok();
4877                    write!(output, " [{status}, {entry_count} entries").ok();
4878                    if conversation_view
4879                        .read(cx)
4880                        .root_thread_has_pending_tool_call(cx)
4881                    {
4882                        write!(output, ", awaiting confirmation").ok();
4883                    }
4884                    writeln!(output, "]").ok();
4885                } else {
4886                    writeln!(output, "  - (not connected) (session: {session_id})").ok();
4887                }
4888            }
4889        }
4890    } else {
4891        writeln!(output, "Agent panel: not loaded").ok();
4892    }
4893
4894    writeln!(output).ok();
4895}