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, ThreadWorktreePaths};
   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_for_project_group(key, cx)
 287                .cloned()
 288                .collect(),
 289            ListEntry::ViewMore { .. } => Vec::new(),
 290        }
 291    }
 292}
 293
 294impl From<ThreadEntry> for ListEntry {
 295    fn from(thread: ThreadEntry) -> Self {
 296        ListEntry::Thread(thread)
 297    }
 298}
 299
 300#[derive(Default)]
 301struct SidebarContents {
 302    entries: Vec<ListEntry>,
 303    notified_threads: HashSet<acp::SessionId>,
 304    project_header_indices: Vec<usize>,
 305    has_open_projects: bool,
 306}
 307
 308impl SidebarContents {
 309    fn is_thread_notified(&self, session_id: &acp::SessionId) -> bool {
 310        self.notified_threads.contains(session_id)
 311    }
 312}
 313
 314fn fuzzy_match_positions(query: &str, candidate: &str) -> Option<Vec<usize>> {
 315    let mut positions = Vec::new();
 316    let mut query_chars = query.chars().peekable();
 317
 318    for (byte_idx, candidate_char) in candidate.char_indices() {
 319        if let Some(&query_char) = query_chars.peek() {
 320            if candidate_char.eq_ignore_ascii_case(&query_char) {
 321                positions.push(byte_idx);
 322                query_chars.next();
 323            }
 324        } else {
 325            break;
 326        }
 327    }
 328
 329    if query_chars.peek().is_none() {
 330        Some(positions)
 331    } else {
 332        None
 333    }
 334}
 335
 336// TODO: The mapping from workspace root paths to git repositories needs a
 337// unified approach across the codebase: this function, `AgentPanel::classify_worktrees`,
 338// thread persistence (which PathList is saved to the database), and thread
 339// querying (which PathList is used to read threads back). All of these need
 340// to agree on how repos are resolved for a given workspace, especially in
 341// multi-root and nested-repo configurations.
 342fn root_repository_snapshots(
 343    workspace: &Entity<Workspace>,
 344    cx: &App,
 345) -> impl Iterator<Item = project::git_store::RepositorySnapshot> {
 346    let path_list = workspace_path_list(workspace, cx);
 347    let project = workspace.read(cx).project().read(cx);
 348    project.repositories(cx).values().filter_map(move |repo| {
 349        let snapshot = repo.read(cx).snapshot();
 350        let is_root = path_list
 351            .paths()
 352            .iter()
 353            .any(|p| p.as_path() == snapshot.work_directory_abs_path.as_ref());
 354        is_root.then_some(snapshot)
 355    })
 356}
 357
 358fn workspace_path_list(workspace: &Entity<Workspace>, cx: &App) -> PathList {
 359    PathList::new(&workspace.read(cx).root_paths(cx))
 360}
 361
 362/// Derives worktree display info from a thread's stored path list.
 363///
 364/// For each path in the thread's `folder_paths`, produces a
 365/// [`WorktreeInfo`] with a short display name, full path, and whether
 366/// the worktree is the main checkout or a linked git worktree. When
 367/// multiple main paths exist and a linked worktree's short name alone
 368/// wouldn't identify which main project it belongs to, the main project
 369/// name is prefixed for disambiguation (e.g. `project:feature`).
 370///
 371fn worktree_info_from_thread_paths(worktree_paths: &ThreadWorktreePaths) -> Vec<WorktreeInfo> {
 372    let mut infos: Vec<WorktreeInfo> = Vec::new();
 373    let mut linked_short_names: Vec<(SharedString, SharedString)> = Vec::new();
 374    let mut unique_main_count = HashSet::new();
 375
 376    for (main_path, folder_path) in worktree_paths.ordered_pairs() {
 377        unique_main_count.insert(main_path.clone());
 378        let is_linked = main_path != folder_path;
 379
 380        if is_linked {
 381            let short_name = linked_worktree_short_name(main_path, folder_path).unwrap_or_default();
 382            let project_name = main_path
 383                .file_name()
 384                .map(|n| SharedString::from(n.to_string_lossy().to_string()))
 385                .unwrap_or_default();
 386            linked_short_names.push((short_name.clone(), project_name));
 387            infos.push(WorktreeInfo {
 388                name: short_name,
 389                full_path: SharedString::from(folder_path.display().to_string()),
 390                highlight_positions: Vec::new(),
 391                kind: ui::WorktreeKind::Linked,
 392            });
 393        } else {
 394            let Some(name) = folder_path.file_name() else {
 395                continue;
 396            };
 397            infos.push(WorktreeInfo {
 398                name: SharedString::from(name.to_string_lossy().to_string()),
 399                full_path: SharedString::from(folder_path.display().to_string()),
 400                highlight_positions: Vec::new(),
 401                kind: ui::WorktreeKind::Main,
 402            });
 403        }
 404    }
 405
 406    // When the group has multiple main worktree paths and the thread's
 407    // folder paths don't all share the same short name, prefix each
 408    // linked worktree chip with its main project name so the user knows
 409    // which project it belongs to.
 410    let all_same_name = infos.len() > 1 && infos.iter().all(|i| i.name == infos[0].name);
 411
 412    if unique_main_count.len() > 1 && !all_same_name {
 413        for (info, (_short_name, project_name)) in infos
 414            .iter_mut()
 415            .filter(|i| i.kind == ui::WorktreeKind::Linked)
 416            .zip(linked_short_names.iter())
 417        {
 418            info.name = SharedString::from(format!("{}:{}", project_name, info.name));
 419        }
 420    }
 421
 422    infos
 423}
 424
 425/// Shows a [`RemoteConnectionModal`] on the given workspace and establishes
 426/// an SSH connection. Suitable for passing to
 427/// [`MultiWorkspace::find_or_create_workspace`] as the `connect_remote`
 428/// argument.
 429fn connect_remote(
 430    modal_workspace: Entity<Workspace>,
 431    connection_options: RemoteConnectionOptions,
 432    window: &mut Window,
 433    cx: &mut Context<MultiWorkspace>,
 434) -> gpui::Task<anyhow::Result<Option<Entity<remote::RemoteClient>>>> {
 435    remote_connection::connect_with_modal(&modal_workspace, connection_options, window, cx)
 436}
 437
 438/// The sidebar re-derives its entire entry list from scratch on every
 439/// change via `update_entries` → `rebuild_contents`. Avoid adding
 440/// incremental or inter-event coordination state — if something can
 441/// be computed from the current world state, compute it in the rebuild.
 442pub struct Sidebar {
 443    multi_workspace: WeakEntity<MultiWorkspace>,
 444    width: Pixels,
 445    focus_handle: FocusHandle,
 446    filter_editor: Entity<Editor>,
 447    list_state: ListState,
 448    contents: SidebarContents,
 449    /// The index of the list item that currently has the keyboard focus
 450    ///
 451    /// Note: This is NOT the same as the active item.
 452    selection: Option<usize>,
 453    /// Tracks which sidebar entry is currently active (highlighted).
 454    active_entry: Option<ActiveEntry>,
 455    hovered_thread_index: Option<usize>,
 456    collapsed_groups: HashSet<ProjectGroupKey>,
 457    expanded_groups: HashMap<ProjectGroupKey, usize>,
 458    /// Updated only in response to explicit user actions (clicking a
 459    /// thread, confirming in the thread switcher, etc.) — never from
 460    /// background data changes. Used to sort the thread switcher popup.
 461    thread_last_accessed: HashMap<acp::SessionId, DateTime<Utc>>,
 462    /// Updated when the user presses a key to send or queue a message.
 463    /// Used for sorting threads in the sidebar and as a secondary sort
 464    /// key in the thread switcher.
 465    thread_last_message_sent_or_queued: HashMap<acp::SessionId, DateTime<Utc>>,
 466    thread_switcher: Option<Entity<ThreadSwitcher>>,
 467    _thread_switcher_subscriptions: Vec<gpui::Subscription>,
 468    pending_remote_thread_activation: Option<acp::SessionId>,
 469    view: SidebarView,
 470    restoring_tasks: HashMap<acp::SessionId, Task<()>>,
 471    recent_projects_popover_handle: PopoverMenuHandle<SidebarRecentProjects>,
 472    project_header_menu_ix: Option<usize>,
 473    _subscriptions: Vec<gpui::Subscription>,
 474    _draft_observation: Option<gpui::Subscription>,
 475}
 476
 477impl Sidebar {
 478    pub fn new(
 479        multi_workspace: Entity<MultiWorkspace>,
 480        window: &mut Window,
 481        cx: &mut Context<Self>,
 482    ) -> Self {
 483        let focus_handle = cx.focus_handle();
 484        cx.on_focus_in(&focus_handle, window, Self::focus_in)
 485            .detach();
 486
 487        let filter_editor = cx.new(|cx| {
 488            let mut editor = Editor::single_line(window, cx);
 489            editor.set_use_modal_editing(true);
 490            editor.set_placeholder_text("Search…", window, cx);
 491            editor
 492        });
 493
 494        cx.subscribe_in(
 495            &multi_workspace,
 496            window,
 497            |this, _multi_workspace, event: &MultiWorkspaceEvent, window, cx| match event {
 498                MultiWorkspaceEvent::ActiveWorkspaceChanged => {
 499                    this.observe_draft_editor(cx);
 500                    this.update_entries(cx);
 501                }
 502                MultiWorkspaceEvent::WorkspaceAdded(workspace) => {
 503                    this.subscribe_to_workspace(workspace, window, cx);
 504                    this.update_entries(cx);
 505                }
 506                MultiWorkspaceEvent::WorkspaceRemoved(_) => {
 507                    this.update_entries(cx);
 508                }
 509                MultiWorkspaceEvent::WorktreePathAdded {
 510                    old_main_paths,
 511                    added_path,
 512                } => {
 513                    let added_path = added_path.clone();
 514                    ThreadMetadataStore::global(cx).update(cx, |store, cx| {
 515                        store.change_worktree_paths(
 516                            old_main_paths,
 517                            |paths| paths.add_path(&added_path, &added_path),
 518                            cx,
 519                        );
 520                    });
 521                    this.update_entries(cx);
 522                }
 523                MultiWorkspaceEvent::WorktreePathRemoved {
 524                    old_main_paths,
 525                    removed_path,
 526                } => {
 527                    let removed_path = removed_path.clone();
 528                    ThreadMetadataStore::global(cx).update(cx, |store, cx| {
 529                        store.change_worktree_paths(
 530                            old_main_paths,
 531                            |paths| paths.remove_main_path(&removed_path),
 532                            cx,
 533                        );
 534                    });
 535                    this.update_entries(cx);
 536                }
 537            },
 538        )
 539        .detach();
 540
 541        cx.subscribe(&filter_editor, |this: &mut Self, _, event, cx| {
 542            if let editor::EditorEvent::BufferEdited = event {
 543                let query = this.filter_editor.read(cx).text(cx);
 544                if !query.is_empty() {
 545                    this.selection.take();
 546                }
 547                this.update_entries(cx);
 548                if !query.is_empty() {
 549                    this.select_first_entry();
 550                }
 551            }
 552        })
 553        .detach();
 554
 555        cx.observe(&ThreadMetadataStore::global(cx), |this, _store, cx| {
 556            this.update_entries(cx);
 557        })
 558        .detach();
 559
 560        let workspaces: Vec<_> = multi_workspace.read(cx).workspaces().cloned().collect();
 561        cx.defer_in(window, move |this, window, cx| {
 562            for workspace in &workspaces {
 563                this.subscribe_to_workspace(workspace, window, cx);
 564            }
 565            this.update_entries(cx);
 566        });
 567
 568        Self {
 569            multi_workspace: multi_workspace.downgrade(),
 570            width: DEFAULT_WIDTH,
 571            focus_handle,
 572            filter_editor,
 573            list_state: ListState::new(0, gpui::ListAlignment::Top, px(1000.)),
 574            contents: SidebarContents::default(),
 575            selection: None,
 576            active_entry: None,
 577            hovered_thread_index: None,
 578            collapsed_groups: HashSet::new(),
 579            expanded_groups: HashMap::new(),
 580            thread_last_accessed: HashMap::new(),
 581            thread_last_message_sent_or_queued: HashMap::new(),
 582            thread_switcher: None,
 583            _thread_switcher_subscriptions: Vec::new(),
 584            pending_remote_thread_activation: None,
 585            view: SidebarView::default(),
 586            restoring_tasks: HashMap::new(),
 587            recent_projects_popover_handle: PopoverMenuHandle::default(),
 588            project_header_menu_ix: None,
 589            _subscriptions: Vec::new(),
 590            _draft_observation: None,
 591        }
 592    }
 593
 594    fn serialize(&mut self, cx: &mut Context<Self>) {
 595        cx.emit(workspace::SidebarEvent::SerializeNeeded);
 596    }
 597
 598    fn active_entry_workspace(&self) -> Option<&Entity<Workspace>> {
 599        self.active_entry.as_ref().map(|entry| entry.workspace())
 600    }
 601
 602    fn is_active_workspace(&self, workspace: &Entity<Workspace>, cx: &App) -> bool {
 603        self.multi_workspace
 604            .upgrade()
 605            .map_or(false, |mw| mw.read(cx).workspace() == workspace)
 606    }
 607
 608    fn subscribe_to_workspace(
 609        &mut self,
 610        workspace: &Entity<Workspace>,
 611        window: &mut Window,
 612        cx: &mut Context<Self>,
 613    ) {
 614        let project = workspace.read(cx).project().clone();
 615        cx.subscribe_in(
 616            &project,
 617            window,
 618            |this, _project, event, _window, cx| match event {
 619                ProjectEvent::WorktreeAdded(_)
 620                | ProjectEvent::WorktreeRemoved(_)
 621                | ProjectEvent::WorktreeOrderChanged => {
 622                    this.update_entries(cx);
 623                }
 624                _ => {}
 625            },
 626        )
 627        .detach();
 628
 629        let git_store = workspace.read(cx).project().read(cx).git_store().clone();
 630        cx.subscribe_in(
 631            &git_store,
 632            window,
 633            |this, _, event: &project::git_store::GitStoreEvent, _window, cx| {
 634                if matches!(
 635                    event,
 636                    project::git_store::GitStoreEvent::RepositoryUpdated(
 637                        _,
 638                        project::git_store::RepositoryEvent::GitWorktreeListChanged,
 639                        _,
 640                    )
 641                ) {
 642                    this.update_entries(cx);
 643                }
 644            },
 645        )
 646        .detach();
 647
 648        cx.subscribe_in(
 649            workspace,
 650            window,
 651            |this, _workspace, event: &workspace::Event, window, cx| {
 652                if let workspace::Event::PanelAdded(view) = event {
 653                    if let Ok(agent_panel) = view.clone().downcast::<AgentPanel>() {
 654                        this.subscribe_to_agent_panel(&agent_panel, window, cx);
 655                    }
 656                }
 657            },
 658        )
 659        .detach();
 660
 661        self.observe_docks(workspace, cx);
 662
 663        if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
 664            self.subscribe_to_agent_panel(&agent_panel, window, cx);
 665            self.observe_draft_editor(cx);
 666        }
 667    }
 668
 669    fn subscribe_to_agent_panel(
 670        &mut self,
 671        agent_panel: &Entity<AgentPanel>,
 672        window: &mut Window,
 673        cx: &mut Context<Self>,
 674    ) {
 675        cx.subscribe_in(
 676            agent_panel,
 677            window,
 678            |this, agent_panel, event: &AgentPanelEvent, _window, cx| match event {
 679                AgentPanelEvent::ActiveViewChanged => {
 680                    let is_new_draft = agent_panel
 681                        .read(cx)
 682                        .active_conversation_view()
 683                        .is_some_and(|cv| cv.read(cx).parent_id(cx).is_none());
 684                    if is_new_draft {
 685                        if let Some(active_workspace) = this
 686                            .multi_workspace
 687                            .upgrade()
 688                            .map(|mw| mw.read(cx).workspace().clone())
 689                        {
 690                            this.active_entry = Some(ActiveEntry::Draft(active_workspace));
 691                        }
 692                    }
 693                    this.observe_draft_editor(cx);
 694                    this.update_entries(cx);
 695                }
 696                AgentPanelEvent::ThreadFocused | AgentPanelEvent::BackgroundThreadChanged => {
 697                    this.update_entries(cx);
 698                }
 699                AgentPanelEvent::MessageSentOrQueued { session_id } => {
 700                    this.record_thread_message_sent(session_id);
 701                    this.update_entries(cx);
 702                }
 703            },
 704        )
 705        .detach();
 706    }
 707
 708    fn observe_docks(&mut self, workspace: &Entity<Workspace>, cx: &mut Context<Self>) {
 709        let docks: Vec<_> = workspace
 710            .read(cx)
 711            .all_docks()
 712            .into_iter()
 713            .cloned()
 714            .collect();
 715        let workspace = workspace.downgrade();
 716        for dock in docks {
 717            let workspace = workspace.clone();
 718            cx.observe(&dock, move |this, _dock, cx| {
 719                let Some(workspace) = workspace.upgrade() else {
 720                    return;
 721                };
 722                if !this.is_active_workspace(&workspace, cx) {
 723                    return;
 724                }
 725
 726                cx.notify();
 727            })
 728            .detach();
 729        }
 730    }
 731
 732    fn observe_draft_editor(&mut self, cx: &mut Context<Self>) {
 733        self._draft_observation = self
 734            .multi_workspace
 735            .upgrade()
 736            .and_then(|mw| {
 737                let ws = mw.read(cx).workspace();
 738                ws.read(cx).panel::<AgentPanel>(cx)
 739            })
 740            .and_then(|panel| {
 741                let cv = panel.read(cx).active_conversation_view()?;
 742                let tv = cv.read(cx).active_thread()?;
 743                Some(tv.read(cx).message_editor.clone())
 744            })
 745            .map(|editor| {
 746                cx.observe(&editor, |_this, _editor, cx| {
 747                    cx.notify();
 748                })
 749            });
 750    }
 751
 752    fn active_draft_text(&self, cx: &App) -> Option<SharedString> {
 753        let mw = self.multi_workspace.upgrade()?;
 754        let workspace = mw.read(cx).workspace();
 755        let panel = workspace.read(cx).panel::<AgentPanel>(cx)?;
 756        let conversation_view = panel.read(cx).active_conversation_view()?;
 757        let thread_view = conversation_view.read(cx).active_thread()?;
 758        let raw = thread_view.read(cx).message_editor.read(cx).text(cx);
 759        let cleaned = Self::clean_mention_links(&raw);
 760        let mut text: String = cleaned.split_whitespace().collect::<Vec<_>>().join(" ");
 761        if text.is_empty() {
 762            None
 763        } else {
 764            const MAX_CHARS: usize = 250;
 765            if let Some((truncate_at, _)) = text.char_indices().nth(MAX_CHARS) {
 766                text.truncate(truncate_at);
 767            }
 768            Some(text.into())
 769        }
 770    }
 771
 772    fn clean_mention_links(input: &str) -> String {
 773        let mut result = String::with_capacity(input.len());
 774        let mut remaining = input;
 775
 776        while let Some(start) = remaining.find("[@") {
 777            result.push_str(&remaining[..start]);
 778            let after_bracket = &remaining[start + 1..]; // skip '['
 779            if let Some(close_bracket) = after_bracket.find("](") {
 780                let mention = &after_bracket[..close_bracket]; // "@something"
 781                let after_link_start = &after_bracket[close_bracket + 2..]; // after "]("
 782                if let Some(close_paren) = after_link_start.find(')') {
 783                    result.push_str(mention);
 784                    remaining = &after_link_start[close_paren + 1..];
 785                    continue;
 786                }
 787            }
 788            // Couldn't parse full link syntax — emit the literal "[@" and move on.
 789            result.push_str("[@");
 790            remaining = &remaining[start + 2..];
 791        }
 792        result.push_str(remaining);
 793        result
 794    }
 795
 796    /// Opens a new workspace for a group that has no open workspaces.
 797    fn open_workspace_for_group(
 798        &mut self,
 799        project_group_key: &ProjectGroupKey,
 800        window: &mut Window,
 801        cx: &mut Context<Self>,
 802    ) {
 803        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
 804            return;
 805        };
 806        let path_list = project_group_key.path_list().clone();
 807        let host = project_group_key.host();
 808        let provisional_key = Some(project_group_key.clone());
 809        let active_workspace = multi_workspace.read(cx).workspace().clone();
 810        let modal_workspace = active_workspace.clone();
 811
 812        let task = multi_workspace.update(cx, |this, cx| {
 813            this.find_or_create_workspace(
 814                path_list,
 815                host,
 816                provisional_key,
 817                |options, window, cx| connect_remote(active_workspace, options, window, cx),
 818                window,
 819                cx,
 820            )
 821        });
 822
 823        cx.spawn_in(window, async move |_this, cx| {
 824            let result = task.await;
 825            remote_connection::dismiss_connection_modal(&modal_workspace, cx);
 826            result?;
 827            anyhow::Ok(())
 828        })
 829        .detach_and_log_err(cx);
 830    }
 831
 832    /// Rebuilds the sidebar contents from current workspace and thread state.
 833    ///
 834    /// Iterates [`MultiWorkspace::project_group_keys`] to determine project
 835    /// groups, then populates thread entries from the metadata store and
 836    /// merges live thread info from active agent panels.
 837    ///
 838    /// Aim for a single forward pass over workspaces and threads plus an
 839    /// O(T log T) sort. Avoid adding extra scans over the data.
 840    ///
 841    /// Properties:
 842    ///
 843    /// - Should always show every workspace in the multiworkspace
 844    ///     - If you have no threads, and two workspaces for the worktree and the main workspace, make sure at least one is shown
 845    /// - Should always show every thread, associated with each workspace in the multiworkspace
 846    /// - After every build_contents, our "active" state should exactly match the current workspace's, current agent panel's current thread.
 847    fn rebuild_contents(&mut self, cx: &App) {
 848        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
 849            return;
 850        };
 851        let mw = multi_workspace.read(cx);
 852        let workspaces: Vec<_> = mw.workspaces().cloned().collect();
 853        let active_workspace = Some(mw.workspace().clone());
 854
 855        let agent_server_store = workspaces
 856            .first()
 857            .map(|ws| ws.read(cx).project().read(cx).agent_server_store().clone());
 858
 859        let query = self.filter_editor.read(cx).text(cx);
 860
 861        // Derive active_entry from the active workspace's agent panel.
 862        // Draft is checked first because a conversation can have a session_id
 863        // before any messages are sent. However, a thread that's still loading
 864        // also appears as a "draft" (no messages yet).
 865        if let Some(active_ws) = &active_workspace {
 866            if let Some(panel) = active_ws.read(cx).panel::<AgentPanel>(cx) {
 867                let active_thread_is_draft = panel.read(cx).active_thread_is_draft(cx);
 868                let active_conversation_view = panel.read(cx).active_conversation_view();
 869
 870                if active_thread_is_draft || active_conversation_view.is_none() {
 871                    if active_conversation_view.is_none()
 872                        && let Some(session_id) = self.pending_remote_thread_activation.clone()
 873                    {
 874                        self.active_entry = Some(ActiveEntry::Thread {
 875                            session_id,
 876                            workspace: active_ws.clone(),
 877                        });
 878                    } else {
 879                        let conversation_parent_id =
 880                            active_conversation_view.and_then(|cv| cv.read(cx).parent_id(cx));
 881                        let preserving_thread = if let Some(ActiveEntry::Thread {
 882                            session_id,
 883                            ..
 884                        }) = &self.active_entry
 885                        {
 886                            self.active_entry_workspace() == Some(active_ws)
 887                                && conversation_parent_id
 888                                    .as_ref()
 889                                    .is_some_and(|id| id == session_id)
 890                        } else {
 891                            false
 892                        };
 893                        if !preserving_thread {
 894                            self.active_entry = Some(ActiveEntry::Draft(active_ws.clone()));
 895                        }
 896                    }
 897                } else if let Some(session_id) =
 898                    active_conversation_view.and_then(|cv| cv.read(cx).parent_id(cx))
 899                {
 900                    if self.pending_remote_thread_activation.as_ref() == Some(&session_id) {
 901                        self.pending_remote_thread_activation = None;
 902                    }
 903                    self.active_entry = Some(ActiveEntry::Thread {
 904                        session_id,
 905                        workspace: active_ws.clone(),
 906                    });
 907                }
 908                // else: conversation exists, not a draft, but no session_id
 909                // yet — thread is mid-load. Keep previous value.
 910            }
 911        }
 912
 913        let previous = mem::take(&mut self.contents);
 914
 915        let old_statuses: HashMap<acp::SessionId, AgentThreadStatus> = previous
 916            .entries
 917            .iter()
 918            .filter_map(|entry| match entry {
 919                ListEntry::Thread(thread) if thread.is_live => {
 920                    Some((thread.metadata.session_id.clone(), thread.status))
 921                }
 922                _ => None,
 923            })
 924            .collect();
 925
 926        let mut entries = Vec::new();
 927        let mut notified_threads = previous.notified_threads;
 928        let mut current_session_ids: HashSet<acp::SessionId> = HashSet::new();
 929        let mut project_header_indices: Vec<usize> = Vec::new();
 930
 931        let has_open_projects = workspaces
 932            .iter()
 933            .any(|ws| !workspace_path_list(ws, cx).paths().is_empty());
 934
 935        let resolve_agent_icon = |agent_id: &AgentId| -> (IconName, Option<SharedString>) {
 936            let agent = Agent::from(agent_id.clone());
 937            let icon = match agent {
 938                Agent::NativeAgent => IconName::ZedAgent,
 939                Agent::Custom { .. } => IconName::Terminal,
 940            };
 941            let icon_from_external_svg = agent_server_store
 942                .as_ref()
 943                .and_then(|store| store.read(cx).agent_icon(&agent_id));
 944            (icon, icon_from_external_svg)
 945        };
 946
 947        let groups: Vec<_> = mw.project_groups(cx).collect();
 948
 949        let mut all_paths: Vec<PathBuf> = groups
 950            .iter()
 951            .flat_map(|(key, _)| key.path_list().paths().iter().cloned())
 952            .collect();
 953        all_paths.sort();
 954        all_paths.dedup();
 955        let path_details =
 956            util::disambiguate::compute_disambiguation_details(&all_paths, |path, detail| {
 957                project::path_suffix(path, detail)
 958            });
 959        let path_detail_map: HashMap<PathBuf, usize> =
 960            all_paths.into_iter().zip(path_details).collect();
 961
 962        for (group_key, group_workspaces) in &groups {
 963            if group_key.path_list().paths().is_empty() {
 964                continue;
 965            }
 966
 967            let label = group_key.display_name(&path_detail_map);
 968
 969            let is_collapsed = self.collapsed_groups.contains(&group_key);
 970            let should_load_threads = !is_collapsed || !query.is_empty();
 971
 972            let is_active = active_workspace
 973                .as_ref()
 974                .is_some_and(|active| group_workspaces.contains(active));
 975
 976            // Collect live thread infos from all workspaces in this group.
 977            let live_infos: Vec<_> = group_workspaces
 978                .iter()
 979                .flat_map(|ws| all_thread_infos_for_workspace(ws, cx))
 980                .collect();
 981
 982            let mut threads: Vec<ThreadEntry> = Vec::new();
 983            let mut has_running_threads = false;
 984            let mut waiting_thread_count: usize = 0;
 985
 986            if should_load_threads {
 987                let mut seen_session_ids: HashSet<acp::SessionId> = HashSet::new();
 988                let thread_store = ThreadMetadataStore::global(cx);
 989
 990                // Build a lookup from workspace root paths to their workspace
 991                // entity, used to assign ThreadEntryWorkspace::Open for threads
 992                // whose folder_paths match an open workspace.
 993                let workspace_by_path_list: HashMap<PathList, &Entity<Workspace>> =
 994                    group_workspaces
 995                        .iter()
 996                        .map(|ws| (workspace_path_list(ws, cx), ws))
 997                        .collect();
 998
 999                // Resolve a ThreadEntryWorkspace for a thread row. If any open
1000                // workspace's root paths match the thread's folder_paths, use
1001                // Open; otherwise use Closed.
1002                let resolve_workspace = |row: &ThreadMetadata| -> ThreadEntryWorkspace {
1003                    workspace_by_path_list
1004                        .get(row.folder_paths())
1005                        .map(|ws| ThreadEntryWorkspace::Open((*ws).clone()))
1006                        .unwrap_or_else(|| ThreadEntryWorkspace::Closed {
1007                            folder_paths: row.folder_paths().clone(),
1008                            project_group_key: group_key.clone(),
1009                        })
1010                };
1011
1012                // Build a ThreadEntry from a metadata row.
1013                let make_thread_entry =
1014                    |row: ThreadMetadata, workspace: ThreadEntryWorkspace| -> ThreadEntry {
1015                        let (icon, icon_from_external_svg) = resolve_agent_icon(&row.agent_id);
1016                        let worktrees = worktree_info_from_thread_paths(&row.worktree_paths);
1017                        ThreadEntry {
1018                            metadata: row,
1019                            icon,
1020                            icon_from_external_svg,
1021                            status: AgentThreadStatus::default(),
1022                            workspace,
1023                            is_live: false,
1024                            is_background: false,
1025                            is_title_generating: false,
1026                            highlight_positions: Vec::new(),
1027                            worktrees,
1028                            diff_stats: DiffStats::default(),
1029                        }
1030                    };
1031
1032                // Main code path: one query per group via main_worktree_paths.
1033                // The main_worktree_paths column is set on all new threads and
1034                // points to the group's canonical paths regardless of which
1035                // linked worktree the thread was opened in.
1036                for row in thread_store
1037                    .read(cx)
1038                    .entries_for_main_worktree_path(group_key.path_list())
1039                    .cloned()
1040                {
1041                    if !seen_session_ids.insert(row.session_id.clone()) {
1042                        continue;
1043                    }
1044                    let workspace = resolve_workspace(&row);
1045                    threads.push(make_thread_entry(row, workspace));
1046                }
1047
1048                // Legacy threads did not have `main_worktree_paths` populated, so they
1049                // must be queried by their `folder_paths`.
1050
1051                // Load any legacy threads for the main worktrees of this project group.
1052                for row in thread_store
1053                    .read(cx)
1054                    .entries_for_path(group_key.path_list())
1055                    .cloned()
1056                {
1057                    if !seen_session_ids.insert(row.session_id.clone()) {
1058                        continue;
1059                    }
1060                    let workspace = resolve_workspace(&row);
1061                    threads.push(make_thread_entry(row, workspace));
1062                }
1063
1064                // Load any legacy threads for any single linked wortree of this project group.
1065                let mut linked_worktree_paths = HashSet::new();
1066                for workspace in group_workspaces {
1067                    if workspace.read(cx).visible_worktrees(cx).count() != 1 {
1068                        continue;
1069                    }
1070                    for snapshot in root_repository_snapshots(workspace, cx) {
1071                        for linked_worktree in snapshot.linked_worktrees() {
1072                            linked_worktree_paths.insert(linked_worktree.path.clone());
1073                        }
1074                    }
1075                }
1076                for path in linked_worktree_paths {
1077                    let worktree_path_list = PathList::new(std::slice::from_ref(&path));
1078                    for row in thread_store
1079                        .read(cx)
1080                        .entries_for_path(&worktree_path_list)
1081                        .cloned()
1082                    {
1083                        if !seen_session_ids.insert(row.session_id.clone()) {
1084                            continue;
1085                        }
1086                        threads.push(make_thread_entry(
1087                            row,
1088                            ThreadEntryWorkspace::Closed {
1089                                folder_paths: worktree_path_list.clone(),
1090                                project_group_key: group_key.clone(),
1091                            },
1092                        ));
1093                    }
1094                }
1095
1096                // Build a lookup from live_infos and compute running/waiting
1097                // counts in a single pass.
1098                let mut live_info_by_session: HashMap<&acp::SessionId, &ActiveThreadInfo> =
1099                    HashMap::new();
1100                for info in &live_infos {
1101                    live_info_by_session.insert(&info.session_id, info);
1102                    if info.status == AgentThreadStatus::Running {
1103                        has_running_threads = true;
1104                    }
1105                    if info.status == AgentThreadStatus::WaitingForConfirmation {
1106                        waiting_thread_count += 1;
1107                    }
1108                }
1109
1110                // Merge live info into threads and update notification state
1111                // in a single pass.
1112                for thread in &mut threads {
1113                    if let Some(info) = live_info_by_session.get(&thread.metadata.session_id) {
1114                        thread.apply_active_info(info);
1115                    }
1116
1117                    let session_id = &thread.metadata.session_id;
1118
1119                    let is_active_thread = self.active_entry.as_ref().is_some_and(|entry| {
1120                        entry.is_active_thread(session_id)
1121                            && active_workspace
1122                                .as_ref()
1123                                .is_some_and(|active| active == entry.workspace())
1124                    });
1125
1126                    if thread.status == AgentThreadStatus::Completed
1127                        && !is_active_thread
1128                        && old_statuses.get(session_id) == Some(&AgentThreadStatus::Running)
1129                    {
1130                        notified_threads.insert(session_id.clone());
1131                    }
1132
1133                    if is_active_thread && !thread.is_background {
1134                        notified_threads.remove(session_id);
1135                    }
1136                }
1137
1138                threads.sort_by(|a, b| {
1139                    let a_time = self
1140                        .thread_last_message_sent_or_queued
1141                        .get(&a.metadata.session_id)
1142                        .copied()
1143                        .or(a.metadata.created_at)
1144                        .or(Some(a.metadata.updated_at));
1145                    let b_time = self
1146                        .thread_last_message_sent_or_queued
1147                        .get(&b.metadata.session_id)
1148                        .copied()
1149                        .or(b.metadata.created_at)
1150                        .or(Some(b.metadata.updated_at));
1151                    b_time.cmp(&a_time)
1152                });
1153            } else {
1154                for info in live_infos {
1155                    if info.status == AgentThreadStatus::Running {
1156                        has_running_threads = true;
1157                    }
1158                    if info.status == AgentThreadStatus::WaitingForConfirmation {
1159                        waiting_thread_count += 1;
1160                    }
1161                }
1162            }
1163
1164            let has_threads = if !threads.is_empty() {
1165                true
1166            } else {
1167                let store = ThreadMetadataStore::global(cx).read(cx);
1168                store
1169                    .entries_for_main_worktree_path(group_key.path_list())
1170                    .next()
1171                    .is_some()
1172                    || store
1173                        .entries_for_path(group_key.path_list())
1174                        .next()
1175                        .is_some()
1176            };
1177
1178            if !query.is_empty() {
1179                let workspace_highlight_positions =
1180                    fuzzy_match_positions(&query, &label).unwrap_or_default();
1181                let workspace_matched = !workspace_highlight_positions.is_empty();
1182
1183                let mut matched_threads: Vec<ThreadEntry> = Vec::new();
1184                for mut thread in threads {
1185                    let title: &str = &thread.metadata.title;
1186                    if let Some(positions) = fuzzy_match_positions(&query, title) {
1187                        thread.highlight_positions = positions;
1188                    }
1189                    let mut worktree_matched = false;
1190                    for worktree in &mut thread.worktrees {
1191                        if let Some(positions) = fuzzy_match_positions(&query, &worktree.name) {
1192                            worktree.highlight_positions = positions;
1193                            worktree_matched = true;
1194                        }
1195                    }
1196                    if workspace_matched
1197                        || !thread.highlight_positions.is_empty()
1198                        || worktree_matched
1199                    {
1200                        matched_threads.push(thread);
1201                    }
1202                }
1203
1204                if matched_threads.is_empty() && !workspace_matched {
1205                    continue;
1206                }
1207
1208                project_header_indices.push(entries.len());
1209                entries.push(ListEntry::ProjectHeader {
1210                    key: group_key.clone(),
1211                    label,
1212                    highlight_positions: workspace_highlight_positions,
1213                    has_running_threads,
1214                    waiting_thread_count,
1215                    is_active,
1216                    has_threads,
1217                });
1218
1219                for thread in matched_threads {
1220                    current_session_ids.insert(thread.metadata.session_id.clone());
1221                    entries.push(thread.into());
1222                }
1223            } else {
1224                let is_draft_for_group = is_active
1225                    && matches!(&self.active_entry, Some(ActiveEntry::Draft(ws)) if group_workspaces.contains(ws));
1226
1227                project_header_indices.push(entries.len());
1228                entries.push(ListEntry::ProjectHeader {
1229                    key: group_key.clone(),
1230                    label,
1231                    highlight_positions: Vec::new(),
1232                    has_running_threads,
1233                    waiting_thread_count,
1234                    is_active,
1235                    has_threads,
1236                });
1237
1238                if is_collapsed {
1239                    continue;
1240                }
1241
1242                // Emit a DraftThread entry when the active draft belongs to this group.
1243                if is_draft_for_group {
1244                    if let Some(ActiveEntry::Draft(draft_ws)) = &self.active_entry {
1245                        let ws_worktree_paths = ThreadWorktreePaths::from_project(
1246                            draft_ws.read(cx).project().read(cx),
1247                            cx,
1248                        );
1249                        let worktrees = worktree_info_from_thread_paths(&ws_worktree_paths);
1250                        entries.push(ListEntry::DraftThread {
1251                            key: group_key.clone(),
1252                            workspace: None,
1253                            worktrees,
1254                        });
1255                    }
1256                }
1257
1258                // Emit a DraftThread for each open linked worktree workspace
1259                // that has no threads. Skip the specific workspace that is
1260                // showing the active draft (it already has a DraftThread entry
1261                // from the block above).
1262                {
1263                    let draft_ws_id = if is_draft_for_group {
1264                        self.active_entry.as_ref().and_then(|e| match e {
1265                            ActiveEntry::Draft(ws) => Some(ws.entity_id()),
1266                            _ => None,
1267                        })
1268                    } else {
1269                        None
1270                    };
1271                    let thread_store = ThreadMetadataStore::global(cx);
1272                    for ws in group_workspaces {
1273                        if Some(ws.entity_id()) == draft_ws_id {
1274                            continue;
1275                        }
1276                        let ws_worktree_paths =
1277                            ThreadWorktreePaths::from_project(ws.read(cx).project().read(cx), cx);
1278                        let has_linked_worktrees =
1279                            worktree_info_from_thread_paths(&ws_worktree_paths)
1280                                .iter()
1281                                .any(|wt| wt.kind == ui::WorktreeKind::Linked);
1282                        if !has_linked_worktrees {
1283                            continue;
1284                        }
1285                        let ws_path_list = workspace_path_list(ws, cx);
1286                        let store = thread_store.read(cx);
1287                        let has_threads = store.entries_for_path(&ws_path_list).next().is_some()
1288                            || store
1289                                .entries_for_main_worktree_path(&ws_path_list)
1290                                .next()
1291                                .is_some();
1292                        if has_threads {
1293                            continue;
1294                        }
1295                        let worktrees = worktree_info_from_thread_paths(&ws_worktree_paths);
1296
1297                        entries.push(ListEntry::DraftThread {
1298                            key: group_key.clone(),
1299                            workspace: Some(ws.clone()),
1300                            worktrees,
1301                        });
1302                    }
1303                }
1304
1305                let total = threads.len();
1306
1307                let extra_batches = self.expanded_groups.get(&group_key).copied().unwrap_or(0);
1308                let threads_to_show =
1309                    DEFAULT_THREADS_SHOWN + (extra_batches * DEFAULT_THREADS_SHOWN);
1310                let count = threads_to_show.min(total);
1311
1312                let mut promoted_threads: HashSet<acp::SessionId> = HashSet::new();
1313
1314                // Build visible entries in a single pass. Threads within
1315                // the cutoff are always shown. Threads beyond it are shown
1316                // only if they should be promoted (running, waiting, or
1317                // focused)
1318                for (index, thread) in threads.into_iter().enumerate() {
1319                    let is_hidden = index >= count;
1320
1321                    let session_id = &thread.metadata.session_id;
1322                    if is_hidden {
1323                        let is_promoted = thread.status == AgentThreadStatus::Running
1324                            || thread.status == AgentThreadStatus::WaitingForConfirmation
1325                            || notified_threads.contains(session_id)
1326                            || self.active_entry.as_ref().is_some_and(|active| {
1327                                active.matches_entry(&ListEntry::Thread(thread.clone()))
1328                            });
1329                        if is_promoted {
1330                            promoted_threads.insert(session_id.clone());
1331                        }
1332                        if !promoted_threads.contains(session_id) {
1333                            continue;
1334                        }
1335                    }
1336
1337                    current_session_ids.insert(session_id.clone());
1338                    entries.push(thread.into());
1339                }
1340
1341                let visible = count + promoted_threads.len();
1342                let is_fully_expanded = visible >= total;
1343
1344                if total > DEFAULT_THREADS_SHOWN {
1345                    entries.push(ListEntry::ViewMore {
1346                        key: group_key.clone(),
1347                        is_fully_expanded,
1348                    });
1349                }
1350            }
1351        }
1352
1353        // Prune stale notifications using the session IDs we collected during
1354        // the build pass (no extra scan needed).
1355        notified_threads.retain(|id| current_session_ids.contains(id));
1356
1357        self.thread_last_accessed
1358            .retain(|id, _| current_session_ids.contains(id));
1359        self.thread_last_message_sent_or_queued
1360            .retain(|id, _| current_session_ids.contains(id));
1361
1362        self.contents = SidebarContents {
1363            entries,
1364            notified_threads,
1365            project_header_indices,
1366            has_open_projects,
1367        };
1368    }
1369
1370    /// Rebuilds the sidebar's visible entries from already-cached state.
1371    fn update_entries(&mut self, cx: &mut Context<Self>) {
1372        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
1373            return;
1374        };
1375        if !multi_workspace.read(cx).multi_workspace_enabled(cx) {
1376            return;
1377        }
1378
1379        let had_notifications = self.has_notifications(cx);
1380        let scroll_position = self.list_state.logical_scroll_top();
1381
1382        self.rebuild_contents(cx);
1383
1384        self.list_state.reset(self.contents.entries.len());
1385        self.list_state.scroll_to(scroll_position);
1386
1387        if had_notifications != self.has_notifications(cx) {
1388            multi_workspace.update(cx, |_, cx| {
1389                cx.notify();
1390            });
1391        }
1392
1393        cx.notify();
1394    }
1395
1396    fn select_first_entry(&mut self) {
1397        self.selection = self
1398            .contents
1399            .entries
1400            .iter()
1401            .position(|entry| matches!(entry, ListEntry::Thread(_)))
1402            .or_else(|| {
1403                if self.contents.entries.is_empty() {
1404                    None
1405                } else {
1406                    Some(0)
1407                }
1408            });
1409    }
1410
1411    fn render_list_entry(
1412        &mut self,
1413        ix: usize,
1414        window: &mut Window,
1415        cx: &mut Context<Self>,
1416    ) -> AnyElement {
1417        let Some(entry) = self.contents.entries.get(ix) else {
1418            return div().into_any_element();
1419        };
1420        let is_focused = self.focus_handle.is_focused(window);
1421        // is_selected means the keyboard selector is here.
1422        let is_selected = is_focused && self.selection == Some(ix);
1423
1424        let is_group_header_after_first =
1425            ix > 0 && matches!(entry, ListEntry::ProjectHeader { .. });
1426
1427        let is_active = self
1428            .active_entry
1429            .as_ref()
1430            .is_some_and(|active| active.matches_entry(entry));
1431
1432        let rendered = match entry {
1433            ListEntry::ProjectHeader {
1434                key,
1435                label,
1436                highlight_positions,
1437                has_running_threads,
1438                waiting_thread_count,
1439                is_active: is_active_group,
1440                has_threads,
1441            } => self.render_project_header(
1442                ix,
1443                false,
1444                key,
1445                label,
1446                highlight_positions,
1447                *has_running_threads,
1448                *waiting_thread_count,
1449                *is_active_group,
1450                is_selected,
1451                *has_threads,
1452                cx,
1453            ),
1454            ListEntry::Thread(thread) => self.render_thread(ix, thread, is_active, is_selected, cx),
1455            ListEntry::ViewMore {
1456                key,
1457                is_fully_expanded,
1458            } => self.render_view_more(ix, key, *is_fully_expanded, is_selected, cx),
1459            ListEntry::DraftThread {
1460                key,
1461                workspace,
1462                worktrees,
1463            } => {
1464                if workspace.is_some() {
1465                    self.render_new_thread(ix, key, worktrees, workspace.as_ref(), is_selected, cx)
1466                } else {
1467                    self.render_draft_thread(ix, is_active, worktrees, is_selected, cx)
1468                }
1469            }
1470        };
1471
1472        if is_group_header_after_first {
1473            v_flex()
1474                .w_full()
1475                .border_t_1()
1476                .border_color(cx.theme().colors().border)
1477                .child(rendered)
1478                .into_any_element()
1479        } else {
1480            rendered
1481        }
1482    }
1483
1484    fn render_remote_project_icon(
1485        &self,
1486        ix: usize,
1487        host: Option<&RemoteConnectionOptions>,
1488    ) -> Option<AnyElement> {
1489        let remote_icon_per_type = match host? {
1490            RemoteConnectionOptions::Wsl(_) => IconName::Linux,
1491            RemoteConnectionOptions::Docker(_) => IconName::Box,
1492            _ => IconName::Server,
1493        };
1494
1495        Some(
1496            div()
1497                .id(format!("remote-project-icon-{}", ix))
1498                .child(
1499                    Icon::new(remote_icon_per_type)
1500                        .size(IconSize::XSmall)
1501                        .color(Color::Muted),
1502                )
1503                .tooltip(Tooltip::text("Remote Project"))
1504                .into_any_element(),
1505        )
1506    }
1507
1508    fn render_project_header(
1509        &self,
1510        ix: usize,
1511        is_sticky: bool,
1512        key: &ProjectGroupKey,
1513        label: &SharedString,
1514        highlight_positions: &[usize],
1515        has_running_threads: bool,
1516        waiting_thread_count: usize,
1517        is_active: bool,
1518        is_focused: bool,
1519        has_threads: bool,
1520        cx: &mut Context<Self>,
1521    ) -> AnyElement {
1522        let host = key.host();
1523
1524        let id_prefix = if is_sticky { "sticky-" } else { "" };
1525        let id = SharedString::from(format!("{id_prefix}project-header-{ix}"));
1526        let disclosure_id = SharedString::from(format!("disclosure-{ix}"));
1527        let group_name = SharedString::from(format!("{id_prefix}header-group-{ix}"));
1528
1529        let is_collapsed = self.collapsed_groups.contains(key);
1530        let (disclosure_icon, disclosure_tooltip) = if is_collapsed {
1531            (IconName::ChevronRight, "Expand Project")
1532        } else {
1533            (IconName::ChevronDown, "Collapse Project")
1534        };
1535
1536        let has_new_thread_entry = self
1537            .contents
1538            .entries
1539            .get(ix + 1)
1540            .is_some_and(|entry| matches!(entry, ListEntry::DraftThread { .. }));
1541        let show_new_thread_button = !has_new_thread_entry && !self.has_filter_query(cx);
1542        let workspace = self.multi_workspace.upgrade().and_then(|mw| {
1543            mw.read(cx)
1544                .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
1545        });
1546
1547        let key_for_toggle = key.clone();
1548        let key_for_collapse = key.clone();
1549        let view_more_expanded = self.expanded_groups.contains_key(key);
1550
1551        let label = if highlight_positions.is_empty() {
1552            Label::new(label.clone())
1553                .when(!is_active, |this| this.color(Color::Muted))
1554                .into_any_element()
1555        } else {
1556            HighlightedLabel::new(label.clone(), highlight_positions.to_vec())
1557                .when(!is_active, |this| this.color(Color::Muted))
1558                .into_any_element()
1559        };
1560
1561        let color = cx.theme().colors();
1562        let hover_color = color
1563            .element_active
1564            .blend(color.element_background.opacity(0.2));
1565
1566        let is_ellipsis_menu_open = self.project_header_menu_ix == Some(ix);
1567
1568        h_flex()
1569            .id(id)
1570            .group(&group_name)
1571            .h(Tab::content_height(cx))
1572            .w_full()
1573            .pl(px(5.))
1574            .pr_1p5()
1575            .border_1()
1576            .map(|this| {
1577                if is_focused {
1578                    this.border_color(color.border_focused)
1579                } else {
1580                    this.border_color(gpui::transparent_black())
1581                }
1582            })
1583            .justify_between()
1584            .child(
1585                h_flex()
1586                    .relative()
1587                    .min_w_0()
1588                    .w_full()
1589                    .gap(px(5.))
1590                    .child(
1591                        IconButton::new(disclosure_id, disclosure_icon)
1592                            .shape(ui::IconButtonShape::Square)
1593                            .icon_size(IconSize::Small)
1594                            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.5)))
1595                            .tooltip(Tooltip::text(disclosure_tooltip))
1596                            .on_click(cx.listener(move |this, _, window, cx| {
1597                                this.selection = None;
1598                                this.toggle_collapse(&key_for_toggle, window, cx);
1599                            })),
1600                    )
1601                    .child(label)
1602                    .when_some(
1603                        self.render_remote_project_icon(ix, host.as_ref()),
1604                        |this, icon| this.child(icon),
1605                    )
1606                    .when(is_collapsed, |this| {
1607                        this.when(has_running_threads, |this| {
1608                            this.child(
1609                                Icon::new(IconName::LoadCircle)
1610                                    .size(IconSize::XSmall)
1611                                    .color(Color::Muted)
1612                                    .with_rotate_animation(2),
1613                            )
1614                        })
1615                        .when(waiting_thread_count > 0, |this| {
1616                            let tooltip_text = if waiting_thread_count == 1 {
1617                                "1 thread is waiting for confirmation".to_string()
1618                            } else {
1619                                format!(
1620                                    "{waiting_thread_count} threads are waiting for confirmation",
1621                                )
1622                            };
1623                            this.child(
1624                                div()
1625                                    .id(format!("{id_prefix}waiting-indicator-{ix}"))
1626                                    .child(
1627                                        Icon::new(IconName::Warning)
1628                                            .size(IconSize::XSmall)
1629                                            .color(Color::Warning),
1630                                    )
1631                                    .tooltip(Tooltip::text(tooltip_text)),
1632                            )
1633                        })
1634                    }),
1635            )
1636            .child(
1637                h_flex()
1638                    .when(!is_ellipsis_menu_open, |this| {
1639                        this.visible_on_hover(&group_name)
1640                    })
1641                    .on_mouse_down(gpui::MouseButton::Left, |_, _, cx| {
1642                        cx.stop_propagation();
1643                    })
1644                    .child(self.render_project_header_ellipsis_menu(ix, id_prefix, key, cx))
1645                    .when(view_more_expanded && !is_collapsed, |this| {
1646                        this.child(
1647                            IconButton::new(
1648                                SharedString::from(format!(
1649                                    "{id_prefix}project-header-collapse-{ix}",
1650                                )),
1651                                IconName::ListCollapse,
1652                            )
1653                            .icon_size(IconSize::Small)
1654                            .tooltip(Tooltip::text("Collapse Displayed Threads"))
1655                            .on_click(cx.listener({
1656                                let key_for_collapse = key_for_collapse.clone();
1657                                move |this, _, _window, cx| {
1658                                    this.selection = None;
1659                                    this.expanded_groups.remove(&key_for_collapse);
1660                                    this.serialize(cx);
1661                                    this.update_entries(cx);
1662                                }
1663                            })),
1664                        )
1665                    })
1666                    .when_some(
1667                        workspace.filter(|_| show_new_thread_button),
1668                        |this, workspace| {
1669                            let key = key.clone();
1670                            let focus_handle = self.focus_handle.clone();
1671                            this.child(
1672                                IconButton::new(
1673                                    SharedString::from(format!(
1674                                        "{id_prefix}project-header-new-thread-{ix}",
1675                                    )),
1676                                    IconName::Plus,
1677                                )
1678                                .icon_size(IconSize::Small)
1679                                .tooltip(move |_, cx| {
1680                                    Tooltip::for_action_in(
1681                                        "New Thread",
1682                                        &NewThread,
1683                                        &focus_handle,
1684                                        cx,
1685                                    )
1686                                })
1687                                .on_click(cx.listener(
1688                                    move |this, _, window, cx| {
1689                                        this.collapsed_groups.remove(&key);
1690                                        this.selection = None;
1691                                        this.create_new_thread(&workspace, window, cx);
1692                                    },
1693                                )),
1694                            )
1695                        },
1696                    ),
1697            )
1698            .map(|this| {
1699                if !has_threads && is_active {
1700                    this
1701                } else {
1702                    let key = key.clone();
1703                    this.cursor_pointer()
1704                        .when(!is_active, |this| this.hover(|s| s.bg(hover_color)))
1705                        .tooltip(Tooltip::text("Open Workspace"))
1706                        .on_click(cx.listener(move |this, _, window, cx| {
1707                            if let Some(workspace) = this.multi_workspace.upgrade().and_then(|mw| {
1708                                mw.read(cx).workspace_for_paths(
1709                                    key.path_list(),
1710                                    key.host().as_ref(),
1711                                    cx,
1712                                )
1713                            }) {
1714                                this.active_entry = Some(ActiveEntry::Draft(workspace.clone()));
1715                                if let Some(multi_workspace) = this.multi_workspace.upgrade() {
1716                                    multi_workspace.update(cx, |multi_workspace, cx| {
1717                                        multi_workspace.activate(workspace.clone(), window, cx);
1718                                    });
1719                                }
1720                                if AgentPanel::is_visible(&workspace, cx) {
1721                                    workspace.update(cx, |workspace, cx| {
1722                                        workspace.focus_panel::<AgentPanel>(window, cx);
1723                                    });
1724                                }
1725                            } else {
1726                                this.open_workspace_for_group(&key, window, cx);
1727                            }
1728                        }))
1729                }
1730            })
1731            .into_any_element()
1732    }
1733
1734    fn render_project_header_ellipsis_menu(
1735        &self,
1736        ix: usize,
1737        id_prefix: &str,
1738        project_group_key: &ProjectGroupKey,
1739        cx: &mut Context<Self>,
1740    ) -> impl IntoElement {
1741        let multi_workspace = self.multi_workspace.clone();
1742        let this = cx.weak_entity();
1743        let project_group_key = project_group_key.clone();
1744
1745        PopoverMenu::new(format!("{id_prefix}project-header-menu-{ix}"))
1746            .on_open(Rc::new({
1747                let this = this.clone();
1748                move |_window, cx| {
1749                    this.update(cx, |sidebar, cx| {
1750                        sidebar.project_header_menu_ix = Some(ix);
1751                        cx.notify();
1752                    })
1753                    .ok();
1754                }
1755            }))
1756            .menu(move |window, cx| {
1757                let multi_workspace = multi_workspace.clone();
1758                let project_group_key = project_group_key.clone();
1759
1760                let menu =
1761                    ContextMenu::build_persistent(window, cx, move |menu, _window, menu_cx| {
1762                        let weak_menu = menu_cx.weak_entity();
1763                        let mut menu = menu
1764                            .header("Project Folders")
1765                            .end_slot_action(Box::new(menu::EndSlot));
1766
1767                        for path in project_group_key.path_list().paths() {
1768                            let Some(name) = path.file_name() else {
1769                                continue;
1770                            };
1771                            let name: SharedString = name.to_string_lossy().into_owned().into();
1772                            let path = path.clone();
1773                            let project_group_key = project_group_key.clone();
1774                            let multi_workspace = multi_workspace.clone();
1775                            let weak_menu = weak_menu.clone();
1776                            menu = menu.entry_with_end_slot_on_hover(
1777                                name.clone(),
1778                                None,
1779                                |_, _| {},
1780                                IconName::Close,
1781                                "Remove Folder".into(),
1782                                move |_window, cx| {
1783                                    multi_workspace
1784                                        .update(cx, |multi_workspace, cx| {
1785                                            multi_workspace.remove_folder_from_project_group(
1786                                                &project_group_key,
1787                                                &path,
1788                                                cx,
1789                                            );
1790                                        })
1791                                        .ok();
1792                                    weak_menu.update(cx, |_, cx| cx.emit(DismissEvent)).ok();
1793                                },
1794                            );
1795                        }
1796
1797                        let menu = menu.separator().entry(
1798                            "Add Folder to Project",
1799                            Some(Box::new(AddFolderToProject)),
1800                            {
1801                                let project_group_key = project_group_key.clone();
1802                                let multi_workspace = multi_workspace.clone();
1803                                let weak_menu = weak_menu.clone();
1804                                move |window, cx| {
1805                                    multi_workspace
1806                                        .update(cx, |multi_workspace, cx| {
1807                                            multi_workspace.prompt_to_add_folders_to_project_group(
1808                                                &project_group_key,
1809                                                window,
1810                                                cx,
1811                                            );
1812                                        })
1813                                        .ok();
1814                                    weak_menu.update(cx, |_, cx| cx.emit(DismissEvent)).ok();
1815                                }
1816                            },
1817                        );
1818
1819                        let project_group_key = project_group_key.clone();
1820                        let multi_workspace = multi_workspace.clone();
1821                        menu.separator()
1822                            .entry("Remove Project", None, move |window, cx| {
1823                                multi_workspace
1824                                    .update(cx, |multi_workspace, cx| {
1825                                        multi_workspace
1826                                            .remove_project_group(&project_group_key, window, cx)
1827                                            .detach_and_log_err(cx);
1828                                    })
1829                                    .ok();
1830                                weak_menu.update(cx, |_, cx| cx.emit(DismissEvent)).ok();
1831                            })
1832                    });
1833
1834                let this = this.clone();
1835                window
1836                    .subscribe(&menu, cx, move |_, _: &gpui::DismissEvent, _window, cx| {
1837                        this.update(cx, |sidebar, cx| {
1838                            sidebar.project_header_menu_ix = None;
1839                            cx.notify();
1840                        })
1841                        .ok();
1842                    })
1843                    .detach();
1844
1845                Some(menu)
1846            })
1847            .trigger(
1848                IconButton::new(
1849                    SharedString::from(format!("{id_prefix}-ellipsis-menu-{ix}")),
1850                    IconName::Ellipsis,
1851                )
1852                .selected_style(ButtonStyle::Tinted(TintColor::Accent))
1853                .icon_size(IconSize::Small),
1854            )
1855            .anchor(gpui::Corner::TopRight)
1856            .offset(gpui::Point {
1857                x: px(0.),
1858                y: px(1.),
1859            })
1860    }
1861
1862    fn render_sticky_header(
1863        &self,
1864        window: &mut Window,
1865        cx: &mut Context<Self>,
1866    ) -> Option<AnyElement> {
1867        let scroll_top = self.list_state.logical_scroll_top();
1868
1869        let &header_idx = self
1870            .contents
1871            .project_header_indices
1872            .iter()
1873            .rev()
1874            .find(|&&idx| idx <= scroll_top.item_ix)?;
1875
1876        let needs_sticky = header_idx < scroll_top.item_ix
1877            || (header_idx == scroll_top.item_ix && scroll_top.offset_in_item > px(0.));
1878
1879        if !needs_sticky {
1880            return None;
1881        }
1882
1883        let ListEntry::ProjectHeader {
1884            key,
1885            label,
1886            highlight_positions,
1887            has_running_threads,
1888            waiting_thread_count,
1889            is_active,
1890            has_threads,
1891        } = self.contents.entries.get(header_idx)?
1892        else {
1893            return None;
1894        };
1895
1896        let is_focused = self.focus_handle.is_focused(window);
1897        let is_selected = is_focused && self.selection == Some(header_idx);
1898
1899        let header_element = self.render_project_header(
1900            header_idx,
1901            true,
1902            key,
1903            &label,
1904            &highlight_positions,
1905            *has_running_threads,
1906            *waiting_thread_count,
1907            *is_active,
1908            *has_threads,
1909            is_selected,
1910            cx,
1911        );
1912
1913        let top_offset = self
1914            .contents
1915            .project_header_indices
1916            .iter()
1917            .find(|&&idx| idx > header_idx)
1918            .and_then(|&next_idx| {
1919                let bounds = self.list_state.bounds_for_item(next_idx)?;
1920                let viewport = self.list_state.viewport_bounds();
1921                let y_in_viewport = bounds.origin.y - viewport.origin.y;
1922                let header_height = bounds.size.height;
1923                (y_in_viewport < header_height).then_some(y_in_viewport - header_height)
1924            })
1925            .unwrap_or(px(0.));
1926
1927        let color = cx.theme().colors();
1928        let background = color
1929            .title_bar_background
1930            .blend(color.panel_background.opacity(0.2));
1931
1932        let element = v_flex()
1933            .absolute()
1934            .top(top_offset)
1935            .left_0()
1936            .w_full()
1937            .bg(background)
1938            .border_b_1()
1939            .border_color(color.border.opacity(0.5))
1940            .child(header_element)
1941            .shadow_xs()
1942            .into_any_element();
1943
1944        Some(element)
1945    }
1946
1947    fn toggle_collapse(
1948        &mut self,
1949        project_group_key: &ProjectGroupKey,
1950        _window: &mut Window,
1951        cx: &mut Context<Self>,
1952    ) {
1953        if self.collapsed_groups.contains(project_group_key) {
1954            self.collapsed_groups.remove(project_group_key);
1955        } else {
1956            self.collapsed_groups.insert(project_group_key.clone());
1957        }
1958        self.serialize(cx);
1959        self.update_entries(cx);
1960    }
1961
1962    fn dispatch_context(&self, window: &Window, cx: &Context<Self>) -> KeyContext {
1963        let mut dispatch_context = KeyContext::new_with_defaults();
1964        dispatch_context.add("ThreadsSidebar");
1965        dispatch_context.add("menu");
1966
1967        let is_archived_search_focused = matches!(&self.view, SidebarView::Archive(archive) if archive.read(cx).is_filter_editor_focused(window, cx));
1968
1969        let identifier = if self.filter_editor.focus_handle(cx).is_focused(window)
1970            || is_archived_search_focused
1971        {
1972            "searching"
1973        } else {
1974            "not_searching"
1975        };
1976
1977        dispatch_context.add(identifier);
1978        dispatch_context
1979    }
1980
1981    fn focus_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1982        if !self.focus_handle.is_focused(window) {
1983            return;
1984        }
1985
1986        if let SidebarView::Archive(archive) = &self.view {
1987            let has_selection = archive.read(cx).has_selection();
1988            if !has_selection {
1989                archive.update(cx, |view, cx| view.focus_filter_editor(window, cx));
1990            }
1991        } else if self.selection.is_none() {
1992            self.filter_editor.focus_handle(cx).focus(window, cx);
1993        }
1994    }
1995
1996    fn cancel(&mut self, _: &Cancel, window: &mut Window, cx: &mut Context<Self>) {
1997        if self.reset_filter_editor_text(window, cx) {
1998            self.update_entries(cx);
1999        } else {
2000            self.selection = None;
2001            self.filter_editor.focus_handle(cx).focus(window, cx);
2002            cx.notify();
2003        }
2004    }
2005
2006    fn focus_sidebar_filter(
2007        &mut self,
2008        _: &FocusSidebarFilter,
2009        window: &mut Window,
2010        cx: &mut Context<Self>,
2011    ) {
2012        self.selection = None;
2013        if let SidebarView::Archive(archive) = &self.view {
2014            archive.update(cx, |view, cx| {
2015                view.clear_selection();
2016                view.focus_filter_editor(window, cx);
2017            });
2018        } else {
2019            self.filter_editor.focus_handle(cx).focus(window, cx);
2020        }
2021
2022        // When vim mode is active, the editor defaults to normal mode which
2023        // blocks text input. Switch to insert mode so the user can type
2024        // immediately.
2025        if vim_mode_setting::VimModeSetting::get_global(cx).0 {
2026            if let Ok(action) = cx.build_action("vim::SwitchToInsertMode", None) {
2027                window.dispatch_action(action, cx);
2028            }
2029        }
2030
2031        cx.notify();
2032    }
2033
2034    fn reset_filter_editor_text(&mut self, window: &mut Window, cx: &mut Context<Self>) -> bool {
2035        self.filter_editor.update(cx, |editor, cx| {
2036            if editor.buffer().read(cx).len(cx).0 > 0 {
2037                editor.set_text("", window, cx);
2038                true
2039            } else {
2040                false
2041            }
2042        })
2043    }
2044
2045    fn has_filter_query(&self, cx: &App) -> bool {
2046        !self.filter_editor.read(cx).text(cx).is_empty()
2047    }
2048
2049    fn editor_move_down(&mut self, _: &MoveDown, window: &mut Window, cx: &mut Context<Self>) {
2050        self.select_next(&SelectNext, window, cx);
2051        if self.selection.is_some() {
2052            self.focus_handle.focus(window, cx);
2053        }
2054    }
2055
2056    fn editor_move_up(&mut self, _: &MoveUp, window: &mut Window, cx: &mut Context<Self>) {
2057        self.select_previous(&SelectPrevious, window, cx);
2058        if self.selection.is_some() {
2059            self.focus_handle.focus(window, cx);
2060        }
2061    }
2062
2063    fn editor_confirm(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2064        if self.selection.is_none() {
2065            self.select_next(&SelectNext, window, cx);
2066        }
2067        if self.selection.is_some() {
2068            self.focus_handle.focus(window, cx);
2069        }
2070    }
2071
2072    fn select_next(&mut self, _: &SelectNext, _window: &mut Window, cx: &mut Context<Self>) {
2073        let next = match self.selection {
2074            Some(ix) if ix + 1 < self.contents.entries.len() => ix + 1,
2075            Some(_) if !self.contents.entries.is_empty() => 0,
2076            None if !self.contents.entries.is_empty() => 0,
2077            _ => return,
2078        };
2079        self.selection = Some(next);
2080        self.list_state.scroll_to_reveal_item(next);
2081        cx.notify();
2082    }
2083
2084    fn select_previous(&mut self, _: &SelectPrevious, window: &mut Window, cx: &mut Context<Self>) {
2085        match self.selection {
2086            Some(0) => {
2087                self.selection = None;
2088                self.filter_editor.focus_handle(cx).focus(window, cx);
2089                cx.notify();
2090            }
2091            Some(ix) => {
2092                self.selection = Some(ix - 1);
2093                self.list_state.scroll_to_reveal_item(ix - 1);
2094                cx.notify();
2095            }
2096            None if !self.contents.entries.is_empty() => {
2097                let last = self.contents.entries.len() - 1;
2098                self.selection = Some(last);
2099                self.list_state.scroll_to_reveal_item(last);
2100                cx.notify();
2101            }
2102            None => {}
2103        }
2104    }
2105
2106    fn select_first(&mut self, _: &SelectFirst, _window: &mut Window, cx: &mut Context<Self>) {
2107        if !self.contents.entries.is_empty() {
2108            self.selection = Some(0);
2109            self.list_state.scroll_to_reveal_item(0);
2110            cx.notify();
2111        }
2112    }
2113
2114    fn select_last(&mut self, _: &SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
2115        if let Some(last) = self.contents.entries.len().checked_sub(1) {
2116            self.selection = Some(last);
2117            self.list_state.scroll_to_reveal_item(last);
2118            cx.notify();
2119        }
2120    }
2121
2122    fn confirm(&mut self, _: &Confirm, window: &mut Window, cx: &mut Context<Self>) {
2123        let Some(ix) = self.selection else { return };
2124        let Some(entry) = self.contents.entries.get(ix) else {
2125            return;
2126        };
2127
2128        match entry {
2129            ListEntry::ProjectHeader { key, .. } => {
2130                let key = key.clone();
2131                self.toggle_collapse(&key, window, cx);
2132            }
2133            ListEntry::Thread(thread) => {
2134                let metadata = thread.metadata.clone();
2135                match &thread.workspace {
2136                    ThreadEntryWorkspace::Open(workspace) => {
2137                        let workspace = workspace.clone();
2138                        self.activate_thread(metadata, &workspace, false, window, cx);
2139                    }
2140                    ThreadEntryWorkspace::Closed {
2141                        folder_paths,
2142                        project_group_key,
2143                    } => {
2144                        let folder_paths = folder_paths.clone();
2145                        let project_group_key = project_group_key.clone();
2146                        self.open_workspace_and_activate_thread(
2147                            metadata,
2148                            folder_paths,
2149                            &project_group_key,
2150                            window,
2151                            cx,
2152                        );
2153                    }
2154                }
2155            }
2156            ListEntry::ViewMore {
2157                key,
2158                is_fully_expanded,
2159                ..
2160            } => {
2161                let key = key.clone();
2162                if *is_fully_expanded {
2163                    self.reset_thread_group_expansion(&key, cx);
2164                } else {
2165                    self.expand_thread_group(&key, cx);
2166                }
2167            }
2168            ListEntry::DraftThread { key, workspace, .. } => {
2169                let key = key.clone();
2170                let workspace = workspace.clone();
2171                if let Some(workspace) = workspace.or_else(|| {
2172                    self.multi_workspace.upgrade().and_then(|mw| {
2173                        mw.read(cx)
2174                            .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
2175                    })
2176                }) {
2177                    self.create_new_thread(&workspace, window, cx);
2178                } else {
2179                    self.open_workspace_for_group(&key, window, cx);
2180                }
2181            }
2182        }
2183    }
2184
2185    fn find_workspace_across_windows(
2186        &self,
2187        cx: &App,
2188        predicate: impl Fn(&Entity<Workspace>, &App) -> bool,
2189    ) -> Option<(WindowHandle<MultiWorkspace>, Entity<Workspace>)> {
2190        cx.windows()
2191            .into_iter()
2192            .filter_map(|window| window.downcast::<MultiWorkspace>())
2193            .find_map(|window| {
2194                let workspace = window.read(cx).ok().and_then(|multi_workspace| {
2195                    multi_workspace
2196                        .workspaces()
2197                        .find(|workspace| predicate(workspace, cx))
2198                        .cloned()
2199                })?;
2200                Some((window, workspace))
2201            })
2202    }
2203
2204    fn find_workspace_in_current_window(
2205        &self,
2206        cx: &App,
2207        predicate: impl Fn(&Entity<Workspace>, &App) -> bool,
2208    ) -> Option<Entity<Workspace>> {
2209        self.multi_workspace.upgrade().and_then(|multi_workspace| {
2210            multi_workspace
2211                .read(cx)
2212                .workspaces()
2213                .find(|workspace| predicate(workspace, cx))
2214                .cloned()
2215        })
2216    }
2217
2218    fn load_agent_thread_in_workspace(
2219        workspace: &Entity<Workspace>,
2220        metadata: &ThreadMetadata,
2221        focus: bool,
2222        window: &mut Window,
2223        cx: &mut App,
2224    ) {
2225        workspace.update(cx, |workspace, cx| {
2226            workspace.reveal_panel::<AgentPanel>(window, cx);
2227        });
2228
2229        if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2230            agent_panel.update(cx, |panel, cx| {
2231                panel.load_agent_thread(
2232                    Agent::from(metadata.agent_id.clone()),
2233                    metadata.session_id.clone(),
2234                    Some(metadata.folder_paths().clone()),
2235                    Some(metadata.title.clone()),
2236                    focus,
2237                    window,
2238                    cx,
2239                );
2240            });
2241        }
2242    }
2243
2244    fn activate_thread_locally(
2245        &mut self,
2246        metadata: &ThreadMetadata,
2247        workspace: &Entity<Workspace>,
2248        retain: bool,
2249        window: &mut Window,
2250        cx: &mut Context<Self>,
2251    ) {
2252        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2253            return;
2254        };
2255
2256        // Set active_entry eagerly so the sidebar highlight updates
2257        // immediately, rather than waiting for a deferred AgentPanel
2258        // event which can race with ActiveWorkspaceChanged clearing it.
2259        self.active_entry = Some(ActiveEntry::Thread {
2260            session_id: metadata.session_id.clone(),
2261            workspace: workspace.clone(),
2262        });
2263        self.record_thread_access(&metadata.session_id);
2264
2265        multi_workspace.update(cx, |multi_workspace, cx| {
2266            multi_workspace.activate(workspace.clone(), window, cx);
2267            if retain {
2268                multi_workspace.retain_active_workspace(cx);
2269            }
2270        });
2271
2272        Self::load_agent_thread_in_workspace(workspace, metadata, true, window, cx);
2273
2274        self.update_entries(cx);
2275    }
2276
2277    fn activate_thread_in_other_window(
2278        &self,
2279        metadata: ThreadMetadata,
2280        workspace: Entity<Workspace>,
2281        target_window: WindowHandle<MultiWorkspace>,
2282        cx: &mut Context<Self>,
2283    ) {
2284        let target_session_id = metadata.session_id.clone();
2285        let workspace_for_entry = workspace.clone();
2286
2287        let activated = target_window
2288            .update(cx, |multi_workspace, window, cx| {
2289                window.activate_window();
2290                multi_workspace.activate(workspace.clone(), window, cx);
2291                Self::load_agent_thread_in_workspace(&workspace, &metadata, true, window, cx);
2292            })
2293            .log_err()
2294            .is_some();
2295
2296        if activated {
2297            if let Some(target_sidebar) = target_window
2298                .read(cx)
2299                .ok()
2300                .and_then(|multi_workspace| {
2301                    multi_workspace.sidebar().map(|sidebar| sidebar.to_any())
2302                })
2303                .and_then(|sidebar| sidebar.downcast::<Self>().ok())
2304            {
2305                target_sidebar.update(cx, |sidebar, cx| {
2306                    sidebar.active_entry = Some(ActiveEntry::Thread {
2307                        session_id: target_session_id.clone(),
2308                        workspace: workspace_for_entry.clone(),
2309                    });
2310                    sidebar.record_thread_access(&target_session_id);
2311                    sidebar.update_entries(cx);
2312                });
2313            }
2314        }
2315    }
2316
2317    fn activate_thread(
2318        &mut self,
2319        metadata: ThreadMetadata,
2320        workspace: &Entity<Workspace>,
2321        retain: bool,
2322        window: &mut Window,
2323        cx: &mut Context<Self>,
2324    ) {
2325        if self
2326            .find_workspace_in_current_window(cx, |candidate, _| candidate == workspace)
2327            .is_some()
2328        {
2329            self.activate_thread_locally(&metadata, &workspace, retain, window, cx);
2330            return;
2331        }
2332
2333        let Some((target_window, workspace)) =
2334            self.find_workspace_across_windows(cx, |candidate, _| candidate == workspace)
2335        else {
2336            return;
2337        };
2338
2339        self.activate_thread_in_other_window(metadata, workspace, target_window, cx);
2340    }
2341
2342    fn open_workspace_and_activate_thread(
2343        &mut self,
2344        metadata: ThreadMetadata,
2345        folder_paths: PathList,
2346        project_group_key: &ProjectGroupKey,
2347        window: &mut Window,
2348        cx: &mut Context<Self>,
2349    ) {
2350        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2351            return;
2352        };
2353
2354        let pending_session_id = metadata.session_id.clone();
2355        let is_remote = project_group_key.host().is_some();
2356        if is_remote {
2357            self.pending_remote_thread_activation = Some(pending_session_id.clone());
2358        }
2359
2360        let host = project_group_key.host();
2361        let provisional_key = Some(project_group_key.clone());
2362        let active_workspace = multi_workspace.read(cx).workspace().clone();
2363        let modal_workspace = active_workspace.clone();
2364
2365        let open_task = multi_workspace.update(cx, |this, cx| {
2366            this.find_or_create_workspace(
2367                folder_paths,
2368                host,
2369                provisional_key,
2370                |options, window, cx| connect_remote(active_workspace, options, window, cx),
2371                window,
2372                cx,
2373            )
2374        });
2375
2376        cx.spawn_in(window, async move |this, cx| {
2377            let result = open_task.await;
2378            // Dismiss the modal as soon as the open attempt completes so
2379            // failures or cancellations do not leave a stale connection modal behind.
2380            remote_connection::dismiss_connection_modal(&modal_workspace, cx);
2381
2382            if result.is_err() || is_remote {
2383                this.update(cx, |this, _cx| {
2384                    if this.pending_remote_thread_activation.as_ref() == Some(&pending_session_id) {
2385                        this.pending_remote_thread_activation = None;
2386                    }
2387                })
2388                .ok();
2389            }
2390
2391            let workspace = result?;
2392            this.update_in(cx, |this, window, cx| {
2393                this.activate_thread(metadata, &workspace, false, window, cx);
2394            })?;
2395            anyhow::Ok(())
2396        })
2397        .detach_and_log_err(cx);
2398    }
2399
2400    fn find_current_workspace_for_path_list(
2401        &self,
2402        path_list: &PathList,
2403        cx: &App,
2404    ) -> Option<Entity<Workspace>> {
2405        self.find_workspace_in_current_window(cx, |workspace, cx| {
2406            workspace_path_list(workspace, cx).paths() == path_list.paths()
2407        })
2408    }
2409
2410    fn find_open_workspace_for_path_list(
2411        &self,
2412        path_list: &PathList,
2413        cx: &App,
2414    ) -> Option<(WindowHandle<MultiWorkspace>, Entity<Workspace>)> {
2415        self.find_workspace_across_windows(cx, |workspace, cx| {
2416            workspace_path_list(workspace, cx).paths() == path_list.paths()
2417        })
2418    }
2419
2420    fn activate_archived_thread(
2421        &mut self,
2422        metadata: ThreadMetadata,
2423        window: &mut Window,
2424        cx: &mut Context<Self>,
2425    ) {
2426        let session_id = metadata.session_id.clone();
2427        let weak_archive_view = match &self.view {
2428            SidebarView::Archive(view) => Some(view.downgrade()),
2429            _ => None,
2430        };
2431
2432        if metadata.folder_paths().paths().is_empty() {
2433            ThreadMetadataStore::global(cx)
2434                .update(cx, |store, cx| store.unarchive(&session_id, cx));
2435
2436            let active_workspace = self
2437                .multi_workspace
2438                .upgrade()
2439                .map(|w| w.read(cx).workspace().clone());
2440
2441            if let Some(workspace) = active_workspace {
2442                self.activate_thread_locally(&metadata, &workspace, false, window, cx);
2443            } else {
2444                let path_list = metadata.folder_paths().clone();
2445                if let Some((target_window, workspace)) =
2446                    self.find_open_workspace_for_path_list(&path_list, cx)
2447                {
2448                    self.activate_thread_in_other_window(metadata, workspace, target_window, cx);
2449                } else {
2450                    let key = ProjectGroupKey::new(None, path_list.clone());
2451                    self.open_workspace_and_activate_thread(metadata, path_list, &key, window, cx);
2452                }
2453            }
2454            self.show_thread_list(window, cx);
2455            return;
2456        }
2457
2458        let store = ThreadMetadataStore::global(cx);
2459        let task = store
2460            .read(cx)
2461            .get_archived_worktrees_for_thread(session_id.0.to_string(), cx);
2462        let path_list = metadata.folder_paths().clone();
2463
2464        let task_session_id = session_id.clone();
2465        let restore_task = cx.spawn_in(window, async move |this, cx| {
2466            let result: anyhow::Result<()> = async {
2467                let archived_worktrees = task.await?;
2468
2469                if archived_worktrees.is_empty() {
2470                    this.update_in(cx, |this, window, cx| {
2471                        this.restoring_tasks.remove(&session_id);
2472                        ThreadMetadataStore::global(cx)
2473                            .update(cx, |store, cx| store.unarchive(&session_id, cx));
2474
2475                        if let Some(workspace) =
2476                            this.find_current_workspace_for_path_list(&path_list, cx)
2477                        {
2478                            this.activate_thread_locally(&metadata, &workspace, false, window, cx);
2479                        } else if let Some((target_window, workspace)) =
2480                            this.find_open_workspace_for_path_list(&path_list, cx)
2481                        {
2482                            this.activate_thread_in_other_window(
2483                                metadata,
2484                                workspace,
2485                                target_window,
2486                                cx,
2487                            );
2488                        } else {
2489                            let key = ProjectGroupKey::new(None, path_list.clone());
2490                            this.open_workspace_and_activate_thread(
2491                                metadata, path_list, &key, window, cx,
2492                            );
2493                        }
2494                        this.show_thread_list(window, cx);
2495                    })?;
2496                    return anyhow::Ok(());
2497                }
2498
2499                let mut path_replacements: Vec<(PathBuf, PathBuf)> = Vec::new();
2500                for row in &archived_worktrees {
2501                    match thread_worktree_archive::restore_worktree_via_git(row, &mut *cx).await {
2502                        Ok(restored_path) => {
2503                            thread_worktree_archive::cleanup_archived_worktree_record(
2504                                row, &mut *cx,
2505                            )
2506                            .await;
2507                            path_replacements.push((row.worktree_path.clone(), restored_path));
2508                        }
2509                        Err(error) => {
2510                            log::error!("Failed to restore worktree: {error:#}");
2511                            this.update_in(cx, |this, _window, cx| {
2512                                this.restoring_tasks.remove(&session_id);
2513                                if let Some(weak_archive_view) = &weak_archive_view {
2514                                    weak_archive_view
2515                                        .update(cx, |view, cx| {
2516                                            view.clear_restoring(&session_id, cx);
2517                                        })
2518                                        .ok();
2519                                }
2520
2521                                if let Some(multi_workspace) = this.multi_workspace.upgrade() {
2522                                    let workspace = multi_workspace.read(cx).workspace().clone();
2523                                    workspace.update(cx, |workspace, cx| {
2524                                        struct RestoreWorktreeErrorToast;
2525                                        workspace.show_toast(
2526                                            Toast::new(
2527                                                NotificationId::unique::<RestoreWorktreeErrorToast>(
2528                                                ),
2529                                                format!("Failed to restore worktree: {error:#}"),
2530                                            )
2531                                            .autohide(),
2532                                            cx,
2533                                        );
2534                                    });
2535                                }
2536                            })
2537                            .ok();
2538                            return anyhow::Ok(());
2539                        }
2540                    }
2541                }
2542
2543                if !path_replacements.is_empty() {
2544                    cx.update(|_window, cx| {
2545                        store.update(cx, |store, cx| {
2546                            store.update_restored_worktree_paths(
2547                                &session_id,
2548                                &path_replacements,
2549                                cx,
2550                            );
2551                        });
2552                    })?;
2553
2554                    let updated_metadata =
2555                        cx.update(|_window, cx| store.read(cx).entry(&session_id).cloned())?;
2556
2557                    if let Some(updated_metadata) = updated_metadata {
2558                        let new_paths = updated_metadata.folder_paths().clone();
2559
2560                        cx.update(|_window, cx| {
2561                            store.update(cx, |store, cx| {
2562                                store.unarchive(&updated_metadata.session_id, cx);
2563                            });
2564                        })?;
2565
2566                        this.update_in(cx, |this, window, cx| {
2567                            this.restoring_tasks.remove(&session_id);
2568                            let key = ProjectGroupKey::new(None, new_paths.clone());
2569                            this.open_workspace_and_activate_thread(
2570                                updated_metadata,
2571                                new_paths,
2572                                &key,
2573                                window,
2574                                cx,
2575                            );
2576                            this.show_thread_list(window, cx);
2577                        })?;
2578                    }
2579                }
2580
2581                anyhow::Ok(())
2582            }
2583            .await;
2584            if let Err(error) = result {
2585                log::error!("{error:#}");
2586            }
2587        });
2588        self.restoring_tasks.insert(task_session_id, restore_task);
2589    }
2590
2591    fn expand_selected_entry(
2592        &mut self,
2593        _: &SelectChild,
2594        _window: &mut Window,
2595        cx: &mut Context<Self>,
2596    ) {
2597        let Some(ix) = self.selection else { return };
2598
2599        match self.contents.entries.get(ix) {
2600            Some(ListEntry::ProjectHeader { key, .. }) => {
2601                if self.collapsed_groups.contains(key) {
2602                    self.collapsed_groups.remove(key);
2603                    self.update_entries(cx);
2604                } else if ix + 1 < self.contents.entries.len() {
2605                    self.selection = Some(ix + 1);
2606                    self.list_state.scroll_to_reveal_item(ix + 1);
2607                    cx.notify();
2608                }
2609            }
2610            _ => {}
2611        }
2612    }
2613
2614    fn collapse_selected_entry(
2615        &mut self,
2616        _: &SelectParent,
2617        _window: &mut Window,
2618        cx: &mut Context<Self>,
2619    ) {
2620        let Some(ix) = self.selection else { return };
2621
2622        match self.contents.entries.get(ix) {
2623            Some(ListEntry::ProjectHeader { key, .. }) => {
2624                if !self.collapsed_groups.contains(key) {
2625                    self.collapsed_groups.insert(key.clone());
2626                    self.update_entries(cx);
2627                }
2628            }
2629            Some(
2630                ListEntry::Thread(_) | ListEntry::ViewMore { .. } | ListEntry::DraftThread { .. },
2631            ) => {
2632                for i in (0..ix).rev() {
2633                    if let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(i)
2634                    {
2635                        self.selection = Some(i);
2636                        self.collapsed_groups.insert(key.clone());
2637                        self.update_entries(cx);
2638                        break;
2639                    }
2640                }
2641            }
2642            None => {}
2643        }
2644    }
2645
2646    fn toggle_selected_fold(
2647        &mut self,
2648        _: &editor::actions::ToggleFold,
2649        _window: &mut Window,
2650        cx: &mut Context<Self>,
2651    ) {
2652        let Some(ix) = self.selection else { return };
2653
2654        // Find the group header for the current selection.
2655        let header_ix = match self.contents.entries.get(ix) {
2656            Some(ListEntry::ProjectHeader { .. }) => Some(ix),
2657            Some(
2658                ListEntry::Thread(_) | ListEntry::ViewMore { .. } | ListEntry::DraftThread { .. },
2659            ) => (0..ix).rev().find(|&i| {
2660                matches!(
2661                    self.contents.entries.get(i),
2662                    Some(ListEntry::ProjectHeader { .. })
2663                )
2664            }),
2665            None => None,
2666        };
2667
2668        if let Some(header_ix) = header_ix {
2669            if let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(header_ix)
2670            {
2671                if self.collapsed_groups.contains(key) {
2672                    self.collapsed_groups.remove(key);
2673                } else {
2674                    self.selection = Some(header_ix);
2675                    self.collapsed_groups.insert(key.clone());
2676                }
2677                self.update_entries(cx);
2678            }
2679        }
2680    }
2681
2682    fn fold_all(
2683        &mut self,
2684        _: &editor::actions::FoldAll,
2685        _window: &mut Window,
2686        cx: &mut Context<Self>,
2687    ) {
2688        for entry in &self.contents.entries {
2689            if let ListEntry::ProjectHeader { key, .. } = entry {
2690                self.collapsed_groups.insert(key.clone());
2691            }
2692        }
2693        self.update_entries(cx);
2694    }
2695
2696    fn unfold_all(
2697        &mut self,
2698        _: &editor::actions::UnfoldAll,
2699        _window: &mut Window,
2700        cx: &mut Context<Self>,
2701    ) {
2702        self.collapsed_groups.clear();
2703        self.update_entries(cx);
2704    }
2705
2706    fn stop_thread(&mut self, session_id: &acp::SessionId, cx: &mut Context<Self>) {
2707        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
2708            return;
2709        };
2710
2711        let workspaces: Vec<_> = multi_workspace.read(cx).workspaces().cloned().collect();
2712        for workspace in workspaces {
2713            if let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2714                let cancelled =
2715                    agent_panel.update(cx, |panel, cx| panel.cancel_thread(session_id, cx));
2716                if cancelled {
2717                    return;
2718                }
2719            }
2720        }
2721    }
2722
2723    fn archive_thread(
2724        &mut self,
2725        session_id: &acp::SessionId,
2726        window: &mut Window,
2727        cx: &mut Context<Self>,
2728    ) {
2729        let metadata = ThreadMetadataStore::global(cx)
2730            .read(cx)
2731            .entry(session_id)
2732            .cloned();
2733        let thread_folder_paths = metadata.as_ref().map(|m| m.folder_paths().clone());
2734
2735        // Compute which linked worktree roots should be archived from disk if
2736        // this thread is archived. This must happen before we remove any
2737        // workspace from the MultiWorkspace, because `build_root_plan` needs
2738        // the currently open workspaces in order to find the affected projects
2739        // and repository handles for each linked worktree.
2740        let roots_to_archive = metadata
2741            .as_ref()
2742            .map(|metadata| {
2743                let mut workspaces = self
2744                    .multi_workspace
2745                    .upgrade()
2746                    .map(|multi_workspace| {
2747                        multi_workspace
2748                            .read(cx)
2749                            .workspaces()
2750                            .cloned()
2751                            .collect::<Vec<_>>()
2752                    })
2753                    .unwrap_or_default();
2754                for workspace in thread_worktree_archive::all_open_workspaces(cx) {
2755                    if !workspaces.contains(&workspace) {
2756                        workspaces.push(workspace);
2757                    }
2758                }
2759                metadata
2760                    .folder_paths()
2761                    .ordered_paths()
2762                    .filter_map(|path| {
2763                        thread_worktree_archive::build_root_plan(path, &workspaces, cx)
2764                    })
2765                    .filter(|plan| {
2766                        !thread_worktree_archive::path_is_referenced_by_other_unarchived_threads(
2767                            session_id,
2768                            &plan.root_path,
2769                            cx,
2770                        )
2771                    })
2772                    .collect::<Vec<_>>()
2773            })
2774            .unwrap_or_default();
2775
2776        // Find the neighbor thread in the sidebar (by display position).
2777        // Look below first, then above, for the nearest thread that isn't
2778        // the one being archived. We capture both the neighbor's metadata
2779        // (for activation) and its workspace paths (for the workspace
2780        // removal fallback).
2781        let current_pos = self.contents.entries.iter().position(
2782            |entry| matches!(entry, ListEntry::Thread(t) if &t.metadata.session_id == session_id),
2783        );
2784        let neighbor = current_pos.and_then(|pos| {
2785            self.contents.entries[pos + 1..]
2786                .iter()
2787                .chain(self.contents.entries[..pos].iter().rev())
2788                .find_map(|entry| match entry {
2789                    ListEntry::Thread(t) if t.metadata.session_id != *session_id => {
2790                        let workspace_paths = match &t.workspace {
2791                            ThreadEntryWorkspace::Open(ws) => {
2792                                PathList::new(&ws.read(cx).root_paths(cx))
2793                            }
2794                            ThreadEntryWorkspace::Closed { folder_paths, .. } => {
2795                                folder_paths.clone()
2796                            }
2797                        };
2798                        Some((t.metadata.clone(), workspace_paths))
2799                    }
2800                    _ => None,
2801                })
2802        });
2803
2804        // Check if archiving this thread would leave its worktree workspace
2805        // with no threads, requiring workspace removal.
2806        let workspace_to_remove = thread_folder_paths.as_ref().and_then(|folder_paths| {
2807            if folder_paths.is_empty() {
2808                return None;
2809            }
2810
2811            let remaining = ThreadMetadataStore::global(cx)
2812                .read(cx)
2813                .entries_for_path(folder_paths)
2814                .filter(|t| t.session_id != *session_id)
2815                .count();
2816            if remaining > 0 {
2817                return None;
2818            }
2819
2820            let multi_workspace = self.multi_workspace.upgrade()?;
2821            // Thread metadata doesn't carry host info yet, so we pass
2822            // `None` here. This may match a local workspace with the same
2823            // paths instead of the intended remote one.
2824            let workspace = multi_workspace
2825                .read(cx)
2826                .workspace_for_paths(folder_paths, None, cx)?;
2827
2828            // Don't remove the main worktree workspace — the project
2829            // header always provides access to it.
2830            let group_key = workspace.read(cx).project_group_key(cx);
2831            (group_key.path_list() != folder_paths).then_some(workspace)
2832        });
2833
2834        if let Some(workspace_to_remove) = workspace_to_remove {
2835            let multi_workspace = self.multi_workspace.upgrade().unwrap();
2836            let session_id = session_id.clone();
2837
2838            // For the workspace-removal fallback, use the neighbor's workspace
2839            // paths if available, otherwise fall back to the project group key.
2840            let fallback_paths = neighbor
2841                .as_ref()
2842                .map(|(_, paths)| paths.clone())
2843                .unwrap_or_else(|| {
2844                    workspace_to_remove
2845                        .read(cx)
2846                        .project_group_key(cx)
2847                        .path_list()
2848                        .clone()
2849                });
2850
2851            let remove_task = multi_workspace.update(cx, |mw, cx| {
2852                mw.remove(
2853                    [workspace_to_remove],
2854                    move |this, window, cx| {
2855                        this.find_or_create_local_workspace(fallback_paths, window, cx)
2856                    },
2857                    window,
2858                    cx,
2859                )
2860            });
2861
2862            let neighbor_metadata = neighbor.map(|(metadata, _)| metadata);
2863            let thread_folder_paths = thread_folder_paths.clone();
2864            cx.spawn_in(window, async move |this, cx| {
2865                let removed = remove_task.await?;
2866                if removed {
2867                    this.update_in(cx, |this, window, cx| {
2868                        let in_flight =
2869                            this.start_archive_worktree_task(&session_id, roots_to_archive, cx);
2870                        this.archive_and_activate(
2871                            &session_id,
2872                            neighbor_metadata.as_ref(),
2873                            thread_folder_paths.as_ref(),
2874                            in_flight,
2875                            window,
2876                            cx,
2877                        );
2878                    })?;
2879                }
2880                anyhow::Ok(())
2881            })
2882            .detach_and_log_err(cx);
2883        } else {
2884            // Simple case: no workspace removal needed.
2885            let neighbor_metadata = neighbor.map(|(metadata, _)| metadata);
2886            let in_flight = self.start_archive_worktree_task(session_id, roots_to_archive, cx);
2887            self.archive_and_activate(
2888                session_id,
2889                neighbor_metadata.as_ref(),
2890                thread_folder_paths.as_ref(),
2891                in_flight,
2892                window,
2893                cx,
2894            );
2895        }
2896    }
2897
2898    /// Archive a thread and activate the nearest neighbor or a draft.
2899    ///
2900    /// IMPORTANT: when activating a neighbor or creating a fallback draft,
2901    /// this method also activates the target workspace in the MultiWorkspace.
2902    /// This is critical because `rebuild_contents` derives the active
2903    /// workspace from `mw.workspace()`. If the linked worktree workspace is
2904    /// still active after archiving its last thread, `rebuild_contents` sees
2905    /// the threadless linked worktree as active and emits a spurious
2906    /// "+ New Thread" entry with the worktree chip — keeping the worktree
2907    /// alive and preventing disk cleanup.
2908    ///
2909    /// When `in_flight_archive` is present, it is the background task that
2910    /// persists the linked worktree's git state and deletes it from disk.
2911    /// We attach it to the metadata store at the same time we mark the thread
2912    /// archived so failures can automatically unarchive the thread and user-
2913    /// initiated unarchive can cancel the task.
2914    fn archive_and_activate(
2915        &mut self,
2916        session_id: &acp::SessionId,
2917        neighbor: Option<&ThreadMetadata>,
2918        thread_folder_paths: Option<&PathList>,
2919        in_flight_archive: Option<(Task<()>, smol::channel::Sender<()>)>,
2920        window: &mut Window,
2921        cx: &mut Context<Self>,
2922    ) {
2923        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
2924            store.archive(session_id, in_flight_archive, cx);
2925        });
2926
2927        let is_active = self
2928            .active_entry
2929            .as_ref()
2930            .is_some_and(|e| e.is_active_thread(session_id));
2931
2932        if !is_active {
2933            // The user is looking at a different thread/draft. Clear the
2934            // archived thread from its workspace's panel so that switching
2935            // to that workspace later doesn't show a stale thread.
2936            if let Some(folder_paths) = thread_folder_paths {
2937                if let Some(workspace) = self
2938                    .multi_workspace
2939                    .upgrade()
2940                    .and_then(|mw| mw.read(cx).workspace_for_paths(folder_paths, None, cx))
2941                {
2942                    if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2943                        let panel_shows_archived = panel
2944                            .read(cx)
2945                            .active_conversation_view()
2946                            .and_then(|cv| cv.read(cx).parent_id(cx))
2947                            .is_some_and(|id| id == *session_id);
2948                        if panel_shows_archived {
2949                            panel.update(cx, |panel, cx| {
2950                                panel.clear_active_thread(window, cx);
2951                            });
2952                        }
2953                    }
2954                }
2955            }
2956            return;
2957        }
2958
2959        // Try to activate the neighbor thread. If its workspace is open,
2960        // tell the panel to load it and activate that workspace.
2961        // `rebuild_contents` will reconcile `active_entry` once the thread
2962        // finishes loading.
2963        if let Some(metadata) = neighbor {
2964            if let Some(workspace) = self.multi_workspace.upgrade().and_then(|mw| {
2965                mw.read(cx)
2966                    .workspace_for_paths(metadata.folder_paths(), None, cx)
2967            }) {
2968                self.activate_workspace(&workspace, window, cx);
2969                Self::load_agent_thread_in_workspace(&workspace, metadata, true, window, cx);
2970                return;
2971            }
2972        }
2973
2974        // No neighbor or its workspace isn't open — fall back to a new
2975        // draft. Use the group workspace (main project) rather than the
2976        // active entry workspace, which may be a linked worktree that is
2977        // about to be cleaned up.
2978        let fallback_workspace = thread_folder_paths
2979            .and_then(|folder_paths| {
2980                let mw = self.multi_workspace.upgrade()?;
2981                let mw = mw.read(cx);
2982                // Find the group's main workspace (whose root paths match
2983                // the project group key, not the thread's folder paths).
2984                let thread_workspace = mw.workspace_for_paths(folder_paths, None, cx)?;
2985                let group_key = thread_workspace.read(cx).project_group_key(cx);
2986                mw.workspace_for_paths(group_key.path_list(), None, cx)
2987            })
2988            .or_else(|| self.active_entry_workspace().cloned());
2989
2990        if let Some(workspace) = fallback_workspace {
2991            self.activate_workspace(&workspace, window, cx);
2992            if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
2993                panel.update(cx, |panel, cx| {
2994                    panel.new_thread(&NewThread, window, cx);
2995                });
2996            }
2997        }
2998    }
2999
3000    fn start_archive_worktree_task(
3001        &self,
3002        session_id: &acp::SessionId,
3003        roots: Vec<thread_worktree_archive::RootPlan>,
3004        cx: &mut Context<Self>,
3005    ) -> Option<(Task<()>, smol::channel::Sender<()>)> {
3006        if roots.is_empty() {
3007            return None;
3008        }
3009
3010        let (cancel_tx, cancel_rx) = smol::channel::bounded::<()>(1);
3011        let session_id = session_id.clone();
3012        let task = cx.spawn(async move |_this, cx| {
3013            match Self::archive_worktree_roots(roots, cancel_rx, cx).await {
3014                Ok(ArchiveWorktreeOutcome::Success) => {
3015                    cx.update(|cx| {
3016                        ThreadMetadataStore::global(cx).update(cx, |store, _cx| {
3017                            store.cleanup_completed_archive(&session_id);
3018                        });
3019                    });
3020                }
3021                Ok(ArchiveWorktreeOutcome::Cancelled) => {}
3022                Err(error) => {
3023                    log::error!("Failed to archive worktree: {error:#}");
3024                    cx.update(|cx| {
3025                        ThreadMetadataStore::global(cx).update(cx, |store, cx| {
3026                            store.unarchive(&session_id, cx);
3027                        });
3028                    });
3029                }
3030            }
3031        });
3032
3033        Some((task, cancel_tx))
3034    }
3035
3036    async fn archive_worktree_roots(
3037        roots: Vec<thread_worktree_archive::RootPlan>,
3038        cancel_rx: smol::channel::Receiver<()>,
3039        cx: &mut gpui::AsyncApp,
3040    ) -> anyhow::Result<ArchiveWorktreeOutcome> {
3041        let mut completed_persists: Vec<(i64, thread_worktree_archive::RootPlan)> = Vec::new();
3042
3043        for root in &roots {
3044            if cancel_rx.is_closed() {
3045                for &(id, ref completed_root) in completed_persists.iter().rev() {
3046                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3047                }
3048                return Ok(ArchiveWorktreeOutcome::Cancelled);
3049            }
3050
3051            if root.worktree_repo.is_some() {
3052                match thread_worktree_archive::persist_worktree_state(root, cx).await {
3053                    Ok(id) => {
3054                        completed_persists.push((id, root.clone()));
3055                    }
3056                    Err(error) => {
3057                        for &(id, ref completed_root) in completed_persists.iter().rev() {
3058                            thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3059                        }
3060                        return Err(error);
3061                    }
3062                }
3063            }
3064
3065            if cancel_rx.is_closed() {
3066                for &(id, ref completed_root) in completed_persists.iter().rev() {
3067                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3068                }
3069                return Ok(ArchiveWorktreeOutcome::Cancelled);
3070            }
3071
3072            if let Err(error) = thread_worktree_archive::remove_root(root.clone(), cx).await {
3073                if let Some(&(id, ref completed_root)) = completed_persists.last() {
3074                    if completed_root.root_path == root.root_path {
3075                        thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3076                        completed_persists.pop();
3077                    }
3078                }
3079                for &(id, ref completed_root) in completed_persists.iter().rev() {
3080                    thread_worktree_archive::rollback_persist(id, completed_root, cx).await;
3081                }
3082                return Err(error);
3083            }
3084        }
3085
3086        Ok(ArchiveWorktreeOutcome::Success)
3087    }
3088
3089    fn activate_workspace(
3090        &self,
3091        workspace: &Entity<Workspace>,
3092        window: &mut Window,
3093        cx: &mut Context<Self>,
3094    ) {
3095        if let Some(multi_workspace) = self.multi_workspace.upgrade() {
3096            multi_workspace.update(cx, |mw, cx| {
3097                mw.activate(workspace.clone(), window, cx);
3098            });
3099        }
3100    }
3101
3102    fn remove_selected_thread(
3103        &mut self,
3104        _: &RemoveSelectedThread,
3105        window: &mut Window,
3106        cx: &mut Context<Self>,
3107    ) {
3108        let Some(ix) = self.selection else {
3109            return;
3110        };
3111        match self.contents.entries.get(ix) {
3112            Some(ListEntry::Thread(thread)) => {
3113                match thread.status {
3114                    AgentThreadStatus::Running | AgentThreadStatus::WaitingForConfirmation => {
3115                        return;
3116                    }
3117                    AgentThreadStatus::Completed | AgentThreadStatus::Error => {}
3118                }
3119                let session_id = thread.metadata.session_id.clone();
3120                self.archive_thread(&session_id, window, cx);
3121            }
3122            Some(ListEntry::DraftThread {
3123                workspace: Some(workspace),
3124                ..
3125            }) => {
3126                self.remove_worktree_workspace(workspace.clone(), window, cx);
3127            }
3128            _ => {}
3129        }
3130    }
3131
3132    fn remove_worktree_workspace(
3133        &mut self,
3134        workspace: Entity<Workspace>,
3135        window: &mut Window,
3136        cx: &mut Context<Self>,
3137    ) {
3138        if let Some(multi_workspace) = self.multi_workspace.upgrade() {
3139            multi_workspace
3140                .update(cx, |mw, cx| {
3141                    mw.remove(
3142                        [workspace],
3143                        |this, _window, _cx| gpui::Task::ready(Ok(this.workspace().clone())),
3144                        window,
3145                        cx,
3146                    )
3147                })
3148                .detach_and_log_err(cx);
3149        }
3150    }
3151
3152    fn record_thread_access(&mut self, session_id: &acp::SessionId) {
3153        self.thread_last_accessed
3154            .insert(session_id.clone(), Utc::now());
3155    }
3156
3157    fn record_thread_message_sent(&mut self, session_id: &acp::SessionId) {
3158        self.thread_last_message_sent_or_queued
3159            .insert(session_id.clone(), Utc::now());
3160    }
3161
3162    fn mru_threads_for_switcher(&self, cx: &App) -> Vec<ThreadSwitcherEntry> {
3163        let mut current_header_label: Option<SharedString> = None;
3164        let mut current_header_key: Option<ProjectGroupKey> = None;
3165        let mut entries: Vec<ThreadSwitcherEntry> = self
3166            .contents
3167            .entries
3168            .iter()
3169            .filter_map(|entry| match entry {
3170                ListEntry::ProjectHeader { label, key, .. } => {
3171                    current_header_label = Some(label.clone());
3172                    current_header_key = Some(key.clone());
3173                    None
3174                }
3175                ListEntry::Thread(thread) => {
3176                    let workspace = match &thread.workspace {
3177                        ThreadEntryWorkspace::Open(workspace) => Some(workspace.clone()),
3178                        ThreadEntryWorkspace::Closed { .. } => {
3179                            current_header_key.as_ref().and_then(|key| {
3180                                self.multi_workspace.upgrade().and_then(|mw| {
3181                                    mw.read(cx).workspace_for_paths(
3182                                        key.path_list(),
3183                                        key.host().as_ref(),
3184                                        cx,
3185                                    )
3186                                })
3187                            })
3188                        }
3189                    }?;
3190                    let notified = self
3191                        .contents
3192                        .is_thread_notified(&thread.metadata.session_id);
3193                    let timestamp: SharedString = format_history_entry_timestamp(
3194                        self.thread_last_message_sent_or_queued
3195                            .get(&thread.metadata.session_id)
3196                            .copied()
3197                            .or(thread.metadata.created_at)
3198                            .unwrap_or(thread.metadata.updated_at),
3199                    )
3200                    .into();
3201                    Some(ThreadSwitcherEntry {
3202                        session_id: thread.metadata.session_id.clone(),
3203                        title: thread.metadata.title.clone(),
3204                        icon: thread.icon,
3205                        icon_from_external_svg: thread.icon_from_external_svg.clone(),
3206                        status: thread.status,
3207                        metadata: thread.metadata.clone(),
3208                        workspace,
3209                        project_name: current_header_label.clone(),
3210                        worktrees: thread
3211                            .worktrees
3212                            .iter()
3213                            .map(|wt| ThreadItemWorktreeInfo {
3214                                name: wt.name.clone(),
3215                                full_path: wt.full_path.clone(),
3216                                highlight_positions: Vec::new(),
3217                                kind: wt.kind,
3218                            })
3219                            .collect(),
3220                        diff_stats: thread.diff_stats,
3221                        is_title_generating: thread.is_title_generating,
3222                        notified,
3223                        timestamp,
3224                    })
3225                }
3226                _ => None,
3227            })
3228            .collect();
3229
3230        entries.sort_by(|a, b| {
3231            let a_accessed = self.thread_last_accessed.get(&a.session_id);
3232            let b_accessed = self.thread_last_accessed.get(&b.session_id);
3233
3234            match (a_accessed, b_accessed) {
3235                (Some(a_time), Some(b_time)) => b_time.cmp(a_time),
3236                (Some(_), None) => std::cmp::Ordering::Less,
3237                (None, Some(_)) => std::cmp::Ordering::Greater,
3238                (None, None) => {
3239                    let a_sent = self.thread_last_message_sent_or_queued.get(&a.session_id);
3240                    let b_sent = self.thread_last_message_sent_or_queued.get(&b.session_id);
3241
3242                    match (a_sent, b_sent) {
3243                        (Some(a_time), Some(b_time)) => b_time.cmp(a_time),
3244                        (Some(_), None) => std::cmp::Ordering::Less,
3245                        (None, Some(_)) => std::cmp::Ordering::Greater,
3246                        (None, None) => {
3247                            let a_time = a.metadata.created_at.or(Some(a.metadata.updated_at));
3248                            let b_time = b.metadata.created_at.or(Some(b.metadata.updated_at));
3249                            b_time.cmp(&a_time)
3250                        }
3251                    }
3252                }
3253            }
3254        });
3255
3256        entries
3257    }
3258
3259    fn dismiss_thread_switcher(&mut self, cx: &mut Context<Self>) {
3260        self.thread_switcher = None;
3261        self._thread_switcher_subscriptions.clear();
3262        if let Some(mw) = self.multi_workspace.upgrade() {
3263            mw.update(cx, |mw, cx| {
3264                mw.set_sidebar_overlay(None, cx);
3265            });
3266        }
3267    }
3268
3269    fn on_toggle_thread_switcher(
3270        &mut self,
3271        action: &ToggleThreadSwitcher,
3272        window: &mut Window,
3273        cx: &mut Context<Self>,
3274    ) {
3275        self.toggle_thread_switcher_impl(action.select_last, window, cx);
3276    }
3277
3278    fn toggle_thread_switcher_impl(
3279        &mut self,
3280        select_last: bool,
3281        window: &mut Window,
3282        cx: &mut Context<Self>,
3283    ) {
3284        if let Some(thread_switcher) = &self.thread_switcher {
3285            thread_switcher.update(cx, |switcher, cx| {
3286                if select_last {
3287                    switcher.select_last(cx);
3288                } else {
3289                    switcher.cycle_selection(cx);
3290                }
3291            });
3292            return;
3293        }
3294
3295        let entries = self.mru_threads_for_switcher(cx);
3296        if entries.len() < 2 {
3297            return;
3298        }
3299
3300        let weak_multi_workspace = self.multi_workspace.clone();
3301
3302        let original_metadata = match &self.active_entry {
3303            Some(ActiveEntry::Thread { session_id, .. }) => entries
3304                .iter()
3305                .find(|e| &e.session_id == session_id)
3306                .map(|e| e.metadata.clone()),
3307            _ => None,
3308        };
3309        let original_workspace = self
3310            .multi_workspace
3311            .upgrade()
3312            .map(|mw| mw.read(cx).workspace().clone());
3313
3314        let thread_switcher = cx.new(|cx| ThreadSwitcher::new(entries, select_last, window, cx));
3315
3316        let mut subscriptions = Vec::new();
3317
3318        subscriptions.push(cx.subscribe_in(&thread_switcher, window, {
3319            let thread_switcher = thread_switcher.clone();
3320            move |this, _emitter, event: &ThreadSwitcherEvent, window, cx| match event {
3321                ThreadSwitcherEvent::Preview {
3322                    metadata,
3323                    workspace,
3324                } => {
3325                    if let Some(mw) = weak_multi_workspace.upgrade() {
3326                        mw.update(cx, |mw, cx| {
3327                            mw.activate(workspace.clone(), window, cx);
3328                        });
3329                    }
3330                    this.active_entry = Some(ActiveEntry::Thread {
3331                        session_id: metadata.session_id.clone(),
3332                        workspace: workspace.clone(),
3333                    });
3334                    this.update_entries(cx);
3335                    Self::load_agent_thread_in_workspace(workspace, metadata, false, window, cx);
3336                    let focus = thread_switcher.focus_handle(cx);
3337                    window.focus(&focus, cx);
3338                }
3339                ThreadSwitcherEvent::Confirmed {
3340                    metadata,
3341                    workspace,
3342                } => {
3343                    if let Some(mw) = weak_multi_workspace.upgrade() {
3344                        mw.update(cx, |mw, cx| {
3345                            mw.activate(workspace.clone(), window, cx);
3346                            mw.retain_active_workspace(cx);
3347                        });
3348                    }
3349                    this.record_thread_access(&metadata.session_id);
3350                    this.active_entry = Some(ActiveEntry::Thread {
3351                        session_id: metadata.session_id.clone(),
3352                        workspace: workspace.clone(),
3353                    });
3354                    this.update_entries(cx);
3355                    Self::load_agent_thread_in_workspace(workspace, metadata, false, window, cx);
3356                    this.dismiss_thread_switcher(cx);
3357                    workspace.update(cx, |workspace, cx| {
3358                        workspace.focus_panel::<AgentPanel>(window, cx);
3359                    });
3360                }
3361                ThreadSwitcherEvent::Dismissed => {
3362                    if let Some(mw) = weak_multi_workspace.upgrade() {
3363                        if let Some(original_ws) = &original_workspace {
3364                            mw.update(cx, |mw, cx| {
3365                                mw.activate(original_ws.clone(), window, cx);
3366                            });
3367                        }
3368                    }
3369                    if let Some(metadata) = &original_metadata {
3370                        if let Some(original_ws) = &original_workspace {
3371                            this.active_entry = Some(ActiveEntry::Thread {
3372                                session_id: metadata.session_id.clone(),
3373                                workspace: original_ws.clone(),
3374                            });
3375                        }
3376                        this.update_entries(cx);
3377                        if let Some(original_ws) = &original_workspace {
3378                            Self::load_agent_thread_in_workspace(
3379                                original_ws,
3380                                metadata,
3381                                false,
3382                                window,
3383                                cx,
3384                            );
3385                        }
3386                    }
3387                    this.dismiss_thread_switcher(cx);
3388                }
3389            }
3390        }));
3391
3392        subscriptions.push(cx.subscribe_in(
3393            &thread_switcher,
3394            window,
3395            |this, _emitter, _event: &gpui::DismissEvent, _window, cx| {
3396                this.dismiss_thread_switcher(cx);
3397            },
3398        ));
3399
3400        let focus = thread_switcher.focus_handle(cx);
3401        let overlay_view = gpui::AnyView::from(thread_switcher.clone());
3402
3403        // Replay the initial preview that was emitted during construction
3404        // before subscriptions were wired up.
3405        let initial_preview = thread_switcher
3406            .read(cx)
3407            .selected_entry()
3408            .map(|entry| (entry.metadata.clone(), entry.workspace.clone()));
3409
3410        self.thread_switcher = Some(thread_switcher);
3411        self._thread_switcher_subscriptions = subscriptions;
3412        if let Some(mw) = self.multi_workspace.upgrade() {
3413            mw.update(cx, |mw, cx| {
3414                mw.set_sidebar_overlay(Some(overlay_view), cx);
3415            });
3416        }
3417
3418        if let Some((metadata, workspace)) = initial_preview {
3419            if let Some(mw) = self.multi_workspace.upgrade() {
3420                mw.update(cx, |mw, cx| {
3421                    mw.activate(workspace.clone(), window, cx);
3422                });
3423            }
3424            self.active_entry = Some(ActiveEntry::Thread {
3425                session_id: metadata.session_id.clone(),
3426                workspace: workspace.clone(),
3427            });
3428            self.update_entries(cx);
3429            Self::load_agent_thread_in_workspace(&workspace, &metadata, false, window, cx);
3430        }
3431
3432        window.focus(&focus, cx);
3433    }
3434
3435    fn render_thread(
3436        &self,
3437        ix: usize,
3438        thread: &ThreadEntry,
3439        is_active: bool,
3440        is_focused: bool,
3441        cx: &mut Context<Self>,
3442    ) -> AnyElement {
3443        let has_notification = self
3444            .contents
3445            .is_thread_notified(&thread.metadata.session_id);
3446
3447        let title: SharedString = thread.metadata.title.clone();
3448        let metadata = thread.metadata.clone();
3449        let thread_workspace = thread.workspace.clone();
3450
3451        let is_hovered = self.hovered_thread_index == Some(ix);
3452        let is_selected = is_active;
3453        let is_running = matches!(
3454            thread.status,
3455            AgentThreadStatus::Running | AgentThreadStatus::WaitingForConfirmation
3456        );
3457
3458        let session_id_for_delete = thread.metadata.session_id.clone();
3459        let focus_handle = self.focus_handle.clone();
3460
3461        let id = SharedString::from(format!("thread-entry-{}", ix));
3462
3463        let color = cx.theme().colors();
3464        let sidebar_bg = color
3465            .title_bar_background
3466            .blend(color.panel_background.opacity(0.25));
3467
3468        let timestamp = format_history_entry_timestamp(
3469            self.thread_last_message_sent_or_queued
3470                .get(&thread.metadata.session_id)
3471                .copied()
3472                .or(thread.metadata.created_at)
3473                .unwrap_or(thread.metadata.updated_at),
3474        );
3475
3476        let is_remote = thread.workspace.is_remote(cx);
3477
3478        ThreadItem::new(id, title)
3479            .base_bg(sidebar_bg)
3480            .icon(thread.icon)
3481            .status(thread.status)
3482            .is_remote(is_remote)
3483            .when_some(thread.icon_from_external_svg.clone(), |this, svg| {
3484                this.custom_icon_from_external_svg(svg)
3485            })
3486            .worktrees(
3487                thread
3488                    .worktrees
3489                    .iter()
3490                    .map(|wt| ThreadItemWorktreeInfo {
3491                        name: wt.name.clone(),
3492                        full_path: wt.full_path.clone(),
3493                        highlight_positions: wt.highlight_positions.clone(),
3494                        kind: wt.kind,
3495                    })
3496                    .collect(),
3497            )
3498            .timestamp(timestamp)
3499            .highlight_positions(thread.highlight_positions.to_vec())
3500            .title_generating(thread.is_title_generating)
3501            .notified(has_notification)
3502            .when(thread.diff_stats.lines_added > 0, |this| {
3503                this.added(thread.diff_stats.lines_added as usize)
3504            })
3505            .when(thread.diff_stats.lines_removed > 0, |this| {
3506                this.removed(thread.diff_stats.lines_removed as usize)
3507            })
3508            .selected(is_selected)
3509            .focused(is_focused)
3510            .hovered(is_hovered)
3511            .on_hover(cx.listener(move |this, is_hovered: &bool, _window, cx| {
3512                if *is_hovered {
3513                    this.hovered_thread_index = Some(ix);
3514                } else if this.hovered_thread_index == Some(ix) {
3515                    this.hovered_thread_index = None;
3516                }
3517                cx.notify();
3518            }))
3519            .when(is_hovered && is_running, |this| {
3520                this.action_slot(
3521                    IconButton::new("stop-thread", IconName::Stop)
3522                        .icon_size(IconSize::Small)
3523                        .icon_color(Color::Error)
3524                        .style(ButtonStyle::Tinted(TintColor::Error))
3525                        .tooltip(Tooltip::text("Stop Generation"))
3526                        .on_click({
3527                            let session_id = session_id_for_delete.clone();
3528                            cx.listener(move |this, _, _window, cx| {
3529                                this.stop_thread(&session_id, cx);
3530                            })
3531                        }),
3532                )
3533            })
3534            .when(is_hovered && !is_running, |this| {
3535                this.action_slot(
3536                    IconButton::new("archive-thread", IconName::Archive)
3537                        .icon_size(IconSize::Small)
3538                        .icon_color(Color::Muted)
3539                        .tooltip({
3540                            let focus_handle = focus_handle.clone();
3541                            move |_window, cx| {
3542                                Tooltip::for_action_in(
3543                                    "Archive Thread",
3544                                    &RemoveSelectedThread,
3545                                    &focus_handle,
3546                                    cx,
3547                                )
3548                            }
3549                        })
3550                        .on_click({
3551                            let session_id = session_id_for_delete.clone();
3552                            cx.listener(move |this, _, window, cx| {
3553                                this.archive_thread(&session_id, window, cx);
3554                            })
3555                        }),
3556                )
3557            })
3558            .on_click({
3559                cx.listener(move |this, _, window, cx| {
3560                    this.selection = None;
3561                    match &thread_workspace {
3562                        ThreadEntryWorkspace::Open(workspace) => {
3563                            this.activate_thread(metadata.clone(), workspace, false, window, cx);
3564                        }
3565                        ThreadEntryWorkspace::Closed {
3566                            folder_paths,
3567                            project_group_key,
3568                        } => {
3569                            this.open_workspace_and_activate_thread(
3570                                metadata.clone(),
3571                                folder_paths.clone(),
3572                                project_group_key,
3573                                window,
3574                                cx,
3575                            );
3576                        }
3577                    }
3578                })
3579            })
3580            .into_any_element()
3581    }
3582
3583    fn render_filter_input(&self, cx: &mut Context<Self>) -> impl IntoElement {
3584        div()
3585            .min_w_0()
3586            .flex_1()
3587            .capture_action(
3588                cx.listener(|this, _: &editor::actions::Newline, window, cx| {
3589                    this.editor_confirm(window, cx);
3590                }),
3591            )
3592            .child(self.filter_editor.clone())
3593    }
3594
3595    fn render_recent_projects_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3596        let multi_workspace = self.multi_workspace.upgrade();
3597
3598        let workspace = multi_workspace
3599            .as_ref()
3600            .map(|mw| mw.read(cx).workspace().downgrade());
3601
3602        let focus_handle = workspace
3603            .as_ref()
3604            .and_then(|ws| ws.upgrade())
3605            .map(|w| w.read(cx).focus_handle(cx))
3606            .unwrap_or_else(|| cx.focus_handle());
3607
3608        let window_project_groups: Vec<ProjectGroupKey> = multi_workspace
3609            .as_ref()
3610            .map(|mw| mw.read(cx).project_group_keys().cloned().collect())
3611            .unwrap_or_default();
3612
3613        let popover_handle = self.recent_projects_popover_handle.clone();
3614
3615        PopoverMenu::new("sidebar-recent-projects-menu")
3616            .with_handle(popover_handle)
3617            .menu(move |window, cx| {
3618                workspace.as_ref().map(|ws| {
3619                    SidebarRecentProjects::popover(
3620                        ws.clone(),
3621                        window_project_groups.clone(),
3622                        focus_handle.clone(),
3623                        window,
3624                        cx,
3625                    )
3626                })
3627            })
3628            .trigger_with_tooltip(
3629                IconButton::new("open-project", IconName::OpenFolder)
3630                    .icon_size(IconSize::Small)
3631                    .selected_style(ButtonStyle::Tinted(TintColor::Accent)),
3632                |_window, cx| {
3633                    Tooltip::for_action(
3634                        "Add Project",
3635                        &OpenRecent {
3636                            create_new_window: false,
3637                        },
3638                        cx,
3639                    )
3640                },
3641            )
3642            .offset(gpui::Point {
3643                x: px(-2.0),
3644                y: px(-2.0),
3645            })
3646            .anchor(gpui::Corner::BottomRight)
3647    }
3648
3649    fn render_view_more(
3650        &self,
3651        ix: usize,
3652        key: &ProjectGroupKey,
3653        is_fully_expanded: bool,
3654        is_selected: bool,
3655        cx: &mut Context<Self>,
3656    ) -> AnyElement {
3657        let key = key.clone();
3658        let id = SharedString::from(format!("view-more-{}", ix));
3659
3660        let label: SharedString = if is_fully_expanded {
3661            "Collapse".into()
3662        } else {
3663            "View More".into()
3664        };
3665
3666        ThreadItem::new(id, label)
3667            .focused(is_selected)
3668            .icon_visible(false)
3669            .title_label_color(Color::Muted)
3670            .on_click(cx.listener(move |this, _, _window, cx| {
3671                this.selection = None;
3672                if is_fully_expanded {
3673                    this.reset_thread_group_expansion(&key, cx);
3674                } else {
3675                    this.expand_thread_group(&key, cx);
3676                }
3677            }))
3678            .into_any_element()
3679    }
3680
3681    fn new_thread_in_group(
3682        &mut self,
3683        _: &NewThreadInGroup,
3684        window: &mut Window,
3685        cx: &mut Context<Self>,
3686    ) {
3687        // If there is a keyboard selection, walk backwards through
3688        // `project_header_indices` to find the header that owns the selected
3689        // row. Otherwise fall back to the active workspace.
3690        let workspace = if let Some(selected_ix) = self.selection {
3691            self.contents
3692                .project_header_indices
3693                .iter()
3694                .rev()
3695                .find(|&&header_ix| header_ix <= selected_ix)
3696                .and_then(|&header_ix| match &self.contents.entries[header_ix] {
3697                    ListEntry::ProjectHeader { key, .. } => {
3698                        self.multi_workspace.upgrade().and_then(|mw| {
3699                            mw.read(cx).workspace_for_paths(
3700                                key.path_list(),
3701                                key.host().as_ref(),
3702                                cx,
3703                            )
3704                        })
3705                    }
3706                    _ => None,
3707                })
3708        } else {
3709            // Use the currently active workspace.
3710            self.multi_workspace
3711                .upgrade()
3712                .map(|mw| mw.read(cx).workspace().clone())
3713        };
3714
3715        let Some(workspace) = workspace else {
3716            return;
3717        };
3718
3719        self.create_new_thread(&workspace, window, cx);
3720    }
3721
3722    fn create_new_thread(
3723        &mut self,
3724        workspace: &Entity<Workspace>,
3725        window: &mut Window,
3726        cx: &mut Context<Self>,
3727    ) {
3728        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
3729            return;
3730        };
3731
3732        self.active_entry = Some(ActiveEntry::Draft(workspace.clone()));
3733
3734        multi_workspace.update(cx, |multi_workspace, cx| {
3735            multi_workspace.activate(workspace.clone(), window, cx);
3736        });
3737
3738        workspace.update(cx, |workspace, cx| {
3739            if let Some(agent_panel) = workspace.panel::<AgentPanel>(cx) {
3740                agent_panel.update(cx, |panel, cx| {
3741                    panel.new_thread(&NewThread, window, cx);
3742                });
3743            }
3744            workspace.focus_panel::<AgentPanel>(window, cx);
3745        });
3746    }
3747
3748    fn active_project_group_key(&self, cx: &App) -> Option<ProjectGroupKey> {
3749        let multi_workspace = self.multi_workspace.upgrade()?;
3750        let multi_workspace = multi_workspace.read(cx);
3751        Some(multi_workspace.project_group_key_for_workspace(multi_workspace.workspace(), cx))
3752    }
3753
3754    fn active_project_header_position(&self, cx: &App) -> Option<usize> {
3755        let active_key = self.active_project_group_key(cx)?;
3756        self.contents
3757            .project_header_indices
3758            .iter()
3759            .position(|&entry_ix| {
3760                matches!(
3761                    &self.contents.entries[entry_ix],
3762                    ListEntry::ProjectHeader { key, .. } if *key == active_key
3763                )
3764            })
3765    }
3766
3767    fn cycle_project_impl(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
3768        let Some(multi_workspace) = self.multi_workspace.upgrade() else {
3769            return;
3770        };
3771
3772        let header_count = self.contents.project_header_indices.len();
3773        if header_count == 0 {
3774            return;
3775        }
3776
3777        let current_pos = self.active_project_header_position(cx);
3778
3779        let next_pos = match current_pos {
3780            Some(pos) => {
3781                if forward {
3782                    (pos + 1) % header_count
3783                } else {
3784                    (pos + header_count - 1) % header_count
3785                }
3786            }
3787            None => 0,
3788        };
3789
3790        let header_entry_ix = self.contents.project_header_indices[next_pos];
3791        let Some(ListEntry::ProjectHeader { key, .. }) = self.contents.entries.get(header_entry_ix)
3792        else {
3793            return;
3794        };
3795        let key = key.clone();
3796
3797        // Uncollapse the target group so that threads become visible.
3798        self.collapsed_groups.remove(&key);
3799
3800        if let Some(workspace) = self.multi_workspace.upgrade().and_then(|mw| {
3801            mw.read(cx)
3802                .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
3803        }) {
3804            multi_workspace.update(cx, |multi_workspace, cx| {
3805                multi_workspace.activate(workspace, window, cx);
3806                multi_workspace.retain_active_workspace(cx);
3807            });
3808        } else {
3809            self.open_workspace_for_group(&key, window, cx);
3810        }
3811    }
3812
3813    fn on_next_project(&mut self, _: &NextProject, window: &mut Window, cx: &mut Context<Self>) {
3814        self.cycle_project_impl(true, window, cx);
3815    }
3816
3817    fn on_previous_project(
3818        &mut self,
3819        _: &PreviousProject,
3820        window: &mut Window,
3821        cx: &mut Context<Self>,
3822    ) {
3823        self.cycle_project_impl(false, window, cx);
3824    }
3825
3826    fn cycle_thread_impl(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
3827        let thread_indices: Vec<usize> = self
3828            .contents
3829            .entries
3830            .iter()
3831            .enumerate()
3832            .filter_map(|(ix, entry)| match entry {
3833                ListEntry::Thread(_) => Some(ix),
3834                _ => None,
3835            })
3836            .collect();
3837
3838        if thread_indices.is_empty() {
3839            return;
3840        }
3841
3842        let current_thread_pos = self.active_entry.as_ref().and_then(|active| {
3843            thread_indices
3844                .iter()
3845                .position(|&ix| active.matches_entry(&self.contents.entries[ix]))
3846        });
3847
3848        let next_pos = match current_thread_pos {
3849            Some(pos) => {
3850                let count = thread_indices.len();
3851                if forward {
3852                    (pos + 1) % count
3853                } else {
3854                    (pos + count - 1) % count
3855                }
3856            }
3857            None => 0,
3858        };
3859
3860        let entry_ix = thread_indices[next_pos];
3861        let ListEntry::Thread(thread) = &self.contents.entries[entry_ix] else {
3862            return;
3863        };
3864
3865        let metadata = thread.metadata.clone();
3866        match &thread.workspace {
3867            ThreadEntryWorkspace::Open(workspace) => {
3868                let workspace = workspace.clone();
3869                self.activate_thread(metadata, &workspace, true, window, cx);
3870            }
3871            ThreadEntryWorkspace::Closed {
3872                folder_paths,
3873                project_group_key,
3874            } => {
3875                let folder_paths = folder_paths.clone();
3876                let project_group_key = project_group_key.clone();
3877                self.open_workspace_and_activate_thread(
3878                    metadata,
3879                    folder_paths,
3880                    &project_group_key,
3881                    window,
3882                    cx,
3883                );
3884            }
3885        }
3886    }
3887
3888    fn on_next_thread(&mut self, _: &NextThread, window: &mut Window, cx: &mut Context<Self>) {
3889        self.cycle_thread_impl(true, window, cx);
3890    }
3891
3892    fn on_previous_thread(
3893        &mut self,
3894        _: &PreviousThread,
3895        window: &mut Window,
3896        cx: &mut Context<Self>,
3897    ) {
3898        self.cycle_thread_impl(false, window, cx);
3899    }
3900
3901    fn expand_thread_group(&mut self, project_group_key: &ProjectGroupKey, cx: &mut Context<Self>) {
3902        let current = self
3903            .expanded_groups
3904            .get(project_group_key)
3905            .copied()
3906            .unwrap_or(0);
3907        self.expanded_groups
3908            .insert(project_group_key.clone(), current + 1);
3909        self.serialize(cx);
3910        self.update_entries(cx);
3911    }
3912
3913    fn reset_thread_group_expansion(
3914        &mut self,
3915        project_group_key: &ProjectGroupKey,
3916        cx: &mut Context<Self>,
3917    ) {
3918        self.expanded_groups.remove(project_group_key);
3919        self.serialize(cx);
3920        self.update_entries(cx);
3921    }
3922
3923    fn collapse_thread_group(
3924        &mut self,
3925        project_group_key: &ProjectGroupKey,
3926        cx: &mut Context<Self>,
3927    ) {
3928        match self.expanded_groups.get(project_group_key).copied() {
3929            Some(batches) if batches > 1 => {
3930                self.expanded_groups
3931                    .insert(project_group_key.clone(), batches - 1);
3932            }
3933            Some(_) => {
3934                self.expanded_groups.remove(project_group_key);
3935            }
3936            None => return,
3937        }
3938        self.serialize(cx);
3939        self.update_entries(cx);
3940    }
3941
3942    fn on_show_more_threads(
3943        &mut self,
3944        _: &ShowMoreThreads,
3945        _window: &mut Window,
3946        cx: &mut Context<Self>,
3947    ) {
3948        let Some(active_key) = self.active_project_group_key(cx) else {
3949            return;
3950        };
3951        self.expand_thread_group(&active_key, cx);
3952    }
3953
3954    fn on_show_fewer_threads(
3955        &mut self,
3956        _: &ShowFewerThreads,
3957        _window: &mut Window,
3958        cx: &mut Context<Self>,
3959    ) {
3960        let Some(active_key) = self.active_project_group_key(cx) else {
3961            return;
3962        };
3963        self.collapse_thread_group(&active_key, cx);
3964    }
3965
3966    fn on_new_thread(
3967        &mut self,
3968        _: &workspace::NewThread,
3969        window: &mut Window,
3970        cx: &mut Context<Self>,
3971    ) {
3972        let Some(workspace) = self.active_workspace(cx) else {
3973            return;
3974        };
3975        self.create_new_thread(&workspace, window, cx);
3976    }
3977
3978    fn render_draft_thread(
3979        &self,
3980        ix: usize,
3981        is_active: bool,
3982        worktrees: &[WorktreeInfo],
3983        is_selected: bool,
3984        cx: &mut Context<Self>,
3985    ) -> AnyElement {
3986        let label: SharedString = if is_active {
3987            self.active_draft_text(cx)
3988                .unwrap_or_else(|| "New Thread".into())
3989        } else {
3990            "New Thread".into()
3991        };
3992
3993        let id = SharedString::from(format!("draft-thread-btn-{}", ix));
3994
3995        let thread_item = ThreadItem::new(id, label)
3996            .icon(IconName::Plus)
3997            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.8)))
3998            .worktrees(
3999                worktrees
4000                    .iter()
4001                    .map(|wt| ThreadItemWorktreeInfo {
4002                        name: wt.name.clone(),
4003                        full_path: wt.full_path.clone(),
4004                        highlight_positions: wt.highlight_positions.clone(),
4005                        kind: wt.kind,
4006                    })
4007                    .collect(),
4008            )
4009            .selected(true)
4010            .focused(is_selected)
4011            .on_click(cx.listener(|this, _, window, cx| {
4012                if let Some(workspace) = this.active_workspace(cx) {
4013                    if !AgentPanel::is_visible(&workspace, cx) {
4014                        workspace.update(cx, |workspace, cx| {
4015                            workspace.focus_panel::<AgentPanel>(window, cx);
4016                        });
4017                    }
4018                }
4019            }));
4020
4021        div()
4022            .on_mouse_down(gpui::MouseButton::Left, |_, _, cx| {
4023                cx.stop_propagation();
4024            })
4025            .child(thread_item)
4026            .into_any_element()
4027    }
4028
4029    fn render_new_thread(
4030        &self,
4031        ix: usize,
4032        key: &ProjectGroupKey,
4033        worktrees: &[WorktreeInfo],
4034        workspace: Option<&Entity<Workspace>>,
4035        is_selected: bool,
4036        cx: &mut Context<Self>,
4037    ) -> AnyElement {
4038        let label: SharedString = DEFAULT_THREAD_TITLE.into();
4039        let key = key.clone();
4040
4041        let id = SharedString::from(format!("new-thread-btn-{}", ix));
4042
4043        let mut thread_item = ThreadItem::new(id, label)
4044            .icon(IconName::Plus)
4045            .icon_color(Color::Custom(cx.theme().colors().icon_muted.opacity(0.8)))
4046            .worktrees(
4047                worktrees
4048                    .iter()
4049                    .map(|wt| ThreadItemWorktreeInfo {
4050                        name: wt.name.clone(),
4051                        full_path: wt.full_path.clone(),
4052                        highlight_positions: wt.highlight_positions.clone(),
4053                        kind: wt.kind,
4054                    })
4055                    .collect(),
4056            )
4057            .selected(false)
4058            .focused(is_selected)
4059            .on_click(cx.listener(move |this, _, window, cx| {
4060                this.selection = None;
4061                if let Some(workspace) = this.multi_workspace.upgrade().and_then(|mw| {
4062                    mw.read(cx)
4063                        .workspace_for_paths(key.path_list(), key.host().as_ref(), cx)
4064                }) {
4065                    this.create_new_thread(&workspace, window, cx);
4066                } else {
4067                    this.open_workspace_for_group(&key, window, cx);
4068                }
4069            }));
4070
4071        // Linked worktree DraftThread entries can be dismissed, which removes
4072        // the workspace from the multi-workspace.
4073        if let Some(workspace) = workspace.cloned() {
4074            thread_item = thread_item.action_slot(
4075                IconButton::new("close-worktree-workspace", IconName::Close)
4076                    .icon_size(IconSize::Small)
4077                    .icon_color(Color::Muted)
4078                    .tooltip(Tooltip::text("Close Workspace"))
4079                    .on_click(cx.listener(move |this, _, window, cx| {
4080                        this.remove_worktree_workspace(workspace.clone(), window, cx);
4081                    })),
4082            );
4083        }
4084
4085        thread_item.into_any_element()
4086    }
4087
4088    fn render_no_results(&self, cx: &mut Context<Self>) -> impl IntoElement {
4089        let has_query = self.has_filter_query(cx);
4090        let message = if has_query {
4091            "No threads match your search."
4092        } else {
4093            "No threads yet"
4094        };
4095
4096        v_flex()
4097            .id("sidebar-no-results")
4098            .p_4()
4099            .size_full()
4100            .items_center()
4101            .justify_center()
4102            .child(
4103                Label::new(message)
4104                    .size(LabelSize::Small)
4105                    .color(Color::Muted),
4106            )
4107    }
4108
4109    fn render_empty_state(&self, cx: &mut Context<Self>) -> impl IntoElement {
4110        v_flex()
4111            .id("sidebar-empty-state")
4112            .p_4()
4113            .size_full()
4114            .items_center()
4115            .justify_center()
4116            .gap_1()
4117            .track_focus(&self.focus_handle(cx))
4118            .child(
4119                Button::new("open_project", "Open Project")
4120                    .full_width()
4121                    .key_binding(KeyBinding::for_action(&workspace::Open::default(), cx))
4122                    .on_click(|_, window, cx| {
4123                        window.dispatch_action(
4124                            Open {
4125                                create_new_window: false,
4126                            }
4127                            .boxed_clone(),
4128                            cx,
4129                        );
4130                    }),
4131            )
4132            .child(
4133                h_flex()
4134                    .w_1_2()
4135                    .gap_2()
4136                    .child(Divider::horizontal().color(ui::DividerColor::Border))
4137                    .child(Label::new("or").size(LabelSize::XSmall).color(Color::Muted))
4138                    .child(Divider::horizontal().color(ui::DividerColor::Border)),
4139            )
4140            .child(
4141                Button::new("clone_repo", "Clone Repository")
4142                    .full_width()
4143                    .on_click(|_, window, cx| {
4144                        window.dispatch_action(git::Clone.boxed_clone(), cx);
4145                    }),
4146            )
4147    }
4148
4149    fn render_sidebar_header(
4150        &self,
4151        no_open_projects: bool,
4152        window: &Window,
4153        cx: &mut Context<Self>,
4154    ) -> impl IntoElement {
4155        let has_query = self.has_filter_query(cx);
4156        let sidebar_on_left = self.side(cx) == SidebarSide::Left;
4157        let sidebar_on_right = self.side(cx) == SidebarSide::Right;
4158        let not_fullscreen = !window.is_fullscreen();
4159        let traffic_lights = cfg!(target_os = "macos") && not_fullscreen && sidebar_on_left;
4160        let left_window_controls = !cfg!(target_os = "macos") && not_fullscreen && sidebar_on_left;
4161        let right_window_controls =
4162            !cfg!(target_os = "macos") && not_fullscreen && sidebar_on_right;
4163        let header_height = platform_title_bar_height(window);
4164
4165        h_flex()
4166            .h(header_height)
4167            .mt_px()
4168            .pb_px()
4169            .when(left_window_controls, |this| {
4170                this.children(Self::render_left_window_controls(window, cx))
4171            })
4172            .map(|this| {
4173                if traffic_lights {
4174                    this.pl(px(ui::utils::TRAFFIC_LIGHT_PADDING))
4175                } else if !left_window_controls {
4176                    this.pl_1p5()
4177                } else {
4178                    this
4179                }
4180            })
4181            .when(!right_window_controls, |this| this.pr_1p5())
4182            .gap_1()
4183            .when(!no_open_projects, |this| {
4184                this.border_b_1()
4185                    .border_color(cx.theme().colors().border)
4186                    .when(traffic_lights, |this| {
4187                        this.child(Divider::vertical().color(ui::DividerColor::Border))
4188                    })
4189                    .child(
4190                        div().ml_1().child(
4191                            Icon::new(IconName::MagnifyingGlass)
4192                                .size(IconSize::Small)
4193                                .color(Color::Muted),
4194                        ),
4195                    )
4196                    .child(self.render_filter_input(cx))
4197                    .child(
4198                        h_flex()
4199                            .gap_1()
4200                            .when(
4201                                self.selection.is_some()
4202                                    && !self.filter_editor.focus_handle(cx).is_focused(window),
4203                                |this| this.child(KeyBinding::for_action(&FocusSidebarFilter, cx)),
4204                            )
4205                            .when(has_query, |this| {
4206                                this.child(
4207                                    IconButton::new("clear_filter", IconName::Close)
4208                                        .icon_size(IconSize::Small)
4209                                        .tooltip(Tooltip::text("Clear Search"))
4210                                        .on_click(cx.listener(|this, _, window, cx| {
4211                                            this.reset_filter_editor_text(window, cx);
4212                                            this.update_entries(cx);
4213                                        })),
4214                                )
4215                            }),
4216                    )
4217            })
4218            .when(right_window_controls, |this| {
4219                this.children(Self::render_right_window_controls(window, cx))
4220            })
4221    }
4222
4223    fn render_left_window_controls(window: &Window, cx: &mut App) -> Option<AnyElement> {
4224        platform_title_bar::render_left_window_controls(
4225            cx.button_layout(),
4226            Box::new(CloseWindow),
4227            window,
4228        )
4229    }
4230
4231    fn render_right_window_controls(window: &Window, cx: &mut App) -> Option<AnyElement> {
4232        platform_title_bar::render_right_window_controls(
4233            cx.button_layout(),
4234            Box::new(CloseWindow),
4235            window,
4236        )
4237    }
4238
4239    fn render_sidebar_toggle_button(&self, _cx: &mut Context<Self>) -> impl IntoElement {
4240        let on_right = AgentSettings::get_global(_cx).sidebar_side() == SidebarSide::Right;
4241
4242        sidebar_side_context_menu("sidebar-toggle-menu", _cx)
4243            .anchor(if on_right {
4244                gpui::Corner::BottomRight
4245            } else {
4246                gpui::Corner::BottomLeft
4247            })
4248            .attach(if on_right {
4249                gpui::Corner::TopRight
4250            } else {
4251                gpui::Corner::TopLeft
4252            })
4253            .trigger(move |_is_active, _window, _cx| {
4254                let icon = if on_right {
4255                    IconName::ThreadsSidebarRightOpen
4256                } else {
4257                    IconName::ThreadsSidebarLeftOpen
4258                };
4259                IconButton::new("sidebar-close-toggle", icon)
4260                    .icon_size(IconSize::Small)
4261                    .tooltip(Tooltip::element(move |_window, cx| {
4262                        v_flex()
4263                            .gap_1()
4264                            .child(
4265                                h_flex()
4266                                    .gap_2()
4267                                    .justify_between()
4268                                    .child(Label::new("Toggle Sidebar"))
4269                                    .child(KeyBinding::for_action(&ToggleWorkspaceSidebar, cx)),
4270                            )
4271                            .child(
4272                                h_flex()
4273                                    .pt_1()
4274                                    .gap_2()
4275                                    .border_t_1()
4276                                    .border_color(cx.theme().colors().border_variant)
4277                                    .justify_between()
4278                                    .child(Label::new("Focus Sidebar"))
4279                                    .child(KeyBinding::for_action(&FocusWorkspaceSidebar, cx)),
4280                            )
4281                            .into_any_element()
4282                    }))
4283                    .on_click(|_, window, cx| {
4284                        if let Some(multi_workspace) = window.root::<MultiWorkspace>().flatten() {
4285                            multi_workspace.update(cx, |multi_workspace, cx| {
4286                                multi_workspace.close_sidebar(window, cx);
4287                            });
4288                        }
4289                    })
4290            })
4291    }
4292
4293    fn render_sidebar_bottom_bar(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
4294        let is_archive = matches!(self.view, SidebarView::Archive(..));
4295        let show_import_button = is_archive && !self.should_render_acp_import_onboarding(cx);
4296        let on_right = self.side(cx) == SidebarSide::Right;
4297
4298        let action_buttons = h_flex()
4299            .gap_1()
4300            .when(on_right, |this| this.flex_row_reverse())
4301            .when(show_import_button, |this| {
4302                this.child(
4303                    IconButton::new("thread-import", IconName::ThreadImport)
4304                        .icon_size(IconSize::Small)
4305                        .tooltip(Tooltip::text("Import ACP Threads"))
4306                        .on_click(cx.listener(|this, _, window, cx| {
4307                            this.show_archive(window, cx);
4308                            this.show_thread_import_modal(window, cx);
4309                        })),
4310                )
4311            })
4312            .child(
4313                IconButton::new("archive", IconName::Archive)
4314                    .icon_size(IconSize::Small)
4315                    .toggle_state(is_archive)
4316                    .tooltip(move |_, cx| {
4317                        Tooltip::for_action("Toggle Archived Threads", &ToggleArchive, cx)
4318                    })
4319                    .on_click(cx.listener(|this, _, window, cx| {
4320                        this.toggle_archive(&ToggleArchive, window, cx);
4321                    })),
4322            )
4323            .child(self.render_recent_projects_button(cx));
4324
4325        h_flex()
4326            .p_1()
4327            .gap_1()
4328            .when(on_right, |this| this.flex_row_reverse())
4329            .justify_between()
4330            .border_t_1()
4331            .border_color(cx.theme().colors().border)
4332            .child(self.render_sidebar_toggle_button(cx))
4333            .child(action_buttons)
4334    }
4335
4336    fn active_workspace(&self, cx: &App) -> Option<Entity<Workspace>> {
4337        self.multi_workspace
4338            .upgrade()
4339            .map(|w| w.read(cx).workspace().clone())
4340    }
4341
4342    fn show_thread_import_modal(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4343        let Some(active_workspace) = self.active_workspace(cx) else {
4344            return;
4345        };
4346
4347        let Some(agent_registry_store) = AgentRegistryStore::try_global(cx) else {
4348            return;
4349        };
4350
4351        let agent_server_store = active_workspace
4352            .read(cx)
4353            .project()
4354            .read(cx)
4355            .agent_server_store()
4356            .clone();
4357
4358        let workspace_handle = active_workspace.downgrade();
4359        let multi_workspace = self.multi_workspace.clone();
4360
4361        active_workspace.update(cx, |workspace, cx| {
4362            workspace.toggle_modal(window, cx, |window, cx| {
4363                ThreadImportModal::new(
4364                    agent_server_store,
4365                    agent_registry_store,
4366                    workspace_handle.clone(),
4367                    multi_workspace.clone(),
4368                    window,
4369                    cx,
4370                )
4371            });
4372        });
4373    }
4374
4375    fn should_render_acp_import_onboarding(&self, cx: &App) -> bool {
4376        let has_external_agents = self
4377            .active_workspace(cx)
4378            .map(|ws| {
4379                ws.read(cx)
4380                    .project()
4381                    .read(cx)
4382                    .agent_server_store()
4383                    .read(cx)
4384                    .has_external_agents()
4385            })
4386            .unwrap_or(false);
4387
4388        has_external_agents && !AcpThreadImportOnboarding::dismissed(cx)
4389    }
4390
4391    fn render_acp_import_onboarding(&mut self, cx: &mut Context<Self>) -> impl IntoElement {
4392        let description =
4393            "Import threads from your ACP agents — whether started in Zed or another client.";
4394
4395        let bg = cx.theme().colors().text_accent;
4396
4397        v_flex()
4398            .min_w_0()
4399            .w_full()
4400            .p_2()
4401            .border_t_1()
4402            .border_color(cx.theme().colors().border)
4403            .bg(linear_gradient(
4404                360.,
4405                linear_color_stop(bg.opacity(0.06), 1.),
4406                linear_color_stop(bg.opacity(0.), 0.),
4407            ))
4408            .child(
4409                h_flex()
4410                    .min_w_0()
4411                    .w_full()
4412                    .gap_1()
4413                    .justify_between()
4414                    .child(Label::new("Looking for ACP threads?"))
4415                    .child(
4416                        IconButton::new("close-onboarding", IconName::Close)
4417                            .icon_size(IconSize::Small)
4418                            .on_click(|_, _window, cx| AcpThreadImportOnboarding::dismiss(cx)),
4419                    ),
4420            )
4421            .child(Label::new(description).color(Color::Muted).mb_2())
4422            .child(
4423                Button::new("import-acp", "Import ACP Threads")
4424                    .full_width()
4425                    .style(ButtonStyle::OutlinedCustom(cx.theme().colors().border))
4426                    .label_size(LabelSize::Small)
4427                    .start_icon(
4428                        Icon::new(IconName::ThreadImport)
4429                            .size(IconSize::Small)
4430                            .color(Color::Muted),
4431                    )
4432                    .on_click(cx.listener(|this, _, window, cx| {
4433                        this.show_archive(window, cx);
4434                        this.show_thread_import_modal(window, cx);
4435                    })),
4436            )
4437    }
4438
4439    fn toggle_archive(&mut self, _: &ToggleArchive, window: &mut Window, cx: &mut Context<Self>) {
4440        match &self.view {
4441            SidebarView::ThreadList => self.show_archive(window, cx),
4442            SidebarView::Archive(_) => self.show_thread_list(window, cx),
4443        }
4444    }
4445
4446    fn show_archive(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4447        let Some(active_workspace) = self
4448            .multi_workspace
4449            .upgrade()
4450            .map(|w| w.read(cx).workspace().clone())
4451        else {
4452            return;
4453        };
4454        let Some(agent_panel) = active_workspace.read(cx).panel::<AgentPanel>(cx) else {
4455            return;
4456        };
4457
4458        let agent_server_store = active_workspace
4459            .read(cx)
4460            .project()
4461            .read(cx)
4462            .agent_server_store()
4463            .downgrade();
4464
4465        let agent_connection_store = agent_panel.read(cx).connection_store().downgrade();
4466
4467        let archive_view = cx.new(|cx| {
4468            ThreadsArchiveView::new(
4469                active_workspace.downgrade(),
4470                agent_connection_store.clone(),
4471                agent_server_store.clone(),
4472                window,
4473                cx,
4474            )
4475        });
4476
4477        let subscription = cx.subscribe_in(
4478            &archive_view,
4479            window,
4480            |this, _, event: &ThreadsArchiveViewEvent, window, cx| match event {
4481                ThreadsArchiveViewEvent::Close => {
4482                    this.show_thread_list(window, cx);
4483                }
4484                ThreadsArchiveViewEvent::Unarchive { thread } => {
4485                    this.activate_archived_thread(thread.clone(), window, cx);
4486                }
4487                ThreadsArchiveViewEvent::CancelRestore { session_id } => {
4488                    this.restoring_tasks.remove(session_id);
4489                }
4490            },
4491        );
4492
4493        self._subscriptions.push(subscription);
4494        self.view = SidebarView::Archive(archive_view.clone());
4495        archive_view.update(cx, |view, cx| view.focus_filter_editor(window, cx));
4496        self.serialize(cx);
4497        cx.notify();
4498    }
4499
4500    fn show_thread_list(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4501        self.view = SidebarView::ThreadList;
4502        self._subscriptions.clear();
4503        let handle = self.filter_editor.read(cx).focus_handle(cx);
4504        handle.focus(window, cx);
4505        self.serialize(cx);
4506        cx.notify();
4507    }
4508}
4509
4510impl WorkspaceSidebar for Sidebar {
4511    fn width(&self, _cx: &App) -> Pixels {
4512        self.width
4513    }
4514
4515    fn set_width(&mut self, width: Option<Pixels>, cx: &mut Context<Self>) {
4516        self.width = width.unwrap_or(DEFAULT_WIDTH).clamp(MIN_WIDTH, MAX_WIDTH);
4517        cx.notify();
4518    }
4519
4520    fn has_notifications(&self, _cx: &App) -> bool {
4521        !self.contents.notified_threads.is_empty()
4522    }
4523
4524    fn is_threads_list_view_active(&self) -> bool {
4525        matches!(self.view, SidebarView::ThreadList)
4526    }
4527
4528    fn side(&self, cx: &App) -> SidebarSide {
4529        AgentSettings::get_global(cx).sidebar_side()
4530    }
4531
4532    fn prepare_for_focus(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
4533        self.selection = None;
4534        cx.notify();
4535    }
4536
4537    fn toggle_thread_switcher(
4538        &mut self,
4539        select_last: bool,
4540        window: &mut Window,
4541        cx: &mut Context<Self>,
4542    ) {
4543        self.toggle_thread_switcher_impl(select_last, window, cx);
4544    }
4545
4546    fn cycle_project(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
4547        self.cycle_project_impl(forward, window, cx);
4548    }
4549
4550    fn cycle_thread(&mut self, forward: bool, window: &mut Window, cx: &mut Context<Self>) {
4551        self.cycle_thread_impl(forward, window, cx);
4552    }
4553
4554    fn serialized_state(&self, _cx: &App) -> Option<String> {
4555        let serialized = SerializedSidebar {
4556            width: Some(f32::from(self.width)),
4557            collapsed_groups: self
4558                .collapsed_groups
4559                .iter()
4560                .cloned()
4561                .map(SerializedProjectGroupKey::from)
4562                .collect(),
4563            expanded_groups: self
4564                .expanded_groups
4565                .iter()
4566                .map(|(key, count)| (SerializedProjectGroupKey::from(key.clone()), *count))
4567                .collect(),
4568            active_view: match self.view {
4569                SidebarView::ThreadList => SerializedSidebarView::ThreadList,
4570                SidebarView::Archive(_) => SerializedSidebarView::Archive,
4571            },
4572        };
4573        serde_json::to_string(&serialized).ok()
4574    }
4575
4576    fn restore_serialized_state(
4577        &mut self,
4578        state: &str,
4579        window: &mut Window,
4580        cx: &mut Context<Self>,
4581    ) {
4582        if let Some(serialized) = serde_json::from_str::<SerializedSidebar>(state).log_err() {
4583            if let Some(width) = serialized.width {
4584                self.width = px(width).clamp(MIN_WIDTH, MAX_WIDTH);
4585            }
4586            self.collapsed_groups = serialized
4587                .collapsed_groups
4588                .into_iter()
4589                .map(ProjectGroupKey::from)
4590                .collect();
4591            self.expanded_groups = serialized
4592                .expanded_groups
4593                .into_iter()
4594                .map(|(s, count)| (ProjectGroupKey::from(s), count))
4595                .collect();
4596            if serialized.active_view == SerializedSidebarView::Archive {
4597                cx.defer_in(window, |this, window, cx| {
4598                    this.show_archive(window, cx);
4599                });
4600            }
4601        }
4602        cx.notify();
4603    }
4604}
4605
4606impl gpui::EventEmitter<workspace::SidebarEvent> for Sidebar {}
4607
4608impl Focusable for Sidebar {
4609    fn focus_handle(&self, _cx: &App) -> FocusHandle {
4610        self.focus_handle.clone()
4611    }
4612}
4613
4614impl Render for Sidebar {
4615    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4616        let _titlebar_height = ui::utils::platform_title_bar_height(window);
4617        let ui_font = theme_settings::setup_ui_font(window, cx);
4618        let sticky_header = self.render_sticky_header(window, cx);
4619
4620        let color = cx.theme().colors();
4621        let bg = color
4622            .title_bar_background
4623            .blend(color.panel_background.opacity(0.25));
4624
4625        let no_open_projects = !self.contents.has_open_projects;
4626        let no_search_results = self.contents.entries.is_empty();
4627
4628        v_flex()
4629            .id("workspace-sidebar")
4630            .key_context(self.dispatch_context(window, cx))
4631            .track_focus(&self.focus_handle)
4632            .on_action(cx.listener(Self::select_next))
4633            .on_action(cx.listener(Self::select_previous))
4634            .on_action(cx.listener(Self::editor_move_down))
4635            .on_action(cx.listener(Self::editor_move_up))
4636            .on_action(cx.listener(Self::select_first))
4637            .on_action(cx.listener(Self::select_last))
4638            .on_action(cx.listener(Self::confirm))
4639            .on_action(cx.listener(Self::expand_selected_entry))
4640            .on_action(cx.listener(Self::collapse_selected_entry))
4641            .on_action(cx.listener(Self::toggle_selected_fold))
4642            .on_action(cx.listener(Self::fold_all))
4643            .on_action(cx.listener(Self::unfold_all))
4644            .on_action(cx.listener(Self::cancel))
4645            .on_action(cx.listener(Self::remove_selected_thread))
4646            .on_action(cx.listener(Self::new_thread_in_group))
4647            .on_action(cx.listener(Self::toggle_archive))
4648            .on_action(cx.listener(Self::focus_sidebar_filter))
4649            .on_action(cx.listener(Self::on_toggle_thread_switcher))
4650            .on_action(cx.listener(Self::on_next_project))
4651            .on_action(cx.listener(Self::on_previous_project))
4652            .on_action(cx.listener(Self::on_next_thread))
4653            .on_action(cx.listener(Self::on_previous_thread))
4654            .on_action(cx.listener(Self::on_show_more_threads))
4655            .on_action(cx.listener(Self::on_show_fewer_threads))
4656            .on_action(cx.listener(Self::on_new_thread))
4657            .on_action(cx.listener(|this, _: &OpenRecent, window, cx| {
4658                this.recent_projects_popover_handle.toggle(window, cx);
4659            }))
4660            .font(ui_font)
4661            .h_full()
4662            .w(self.width)
4663            .bg(bg)
4664            .when(self.side(cx) == SidebarSide::Left, |el| el.border_r_1())
4665            .when(self.side(cx) == SidebarSide::Right, |el| el.border_l_1())
4666            .border_color(color.border)
4667            .map(|this| match &self.view {
4668                SidebarView::ThreadList => this
4669                    .child(self.render_sidebar_header(no_open_projects, window, cx))
4670                    .map(|this| {
4671                        if no_open_projects {
4672                            this.child(self.render_empty_state(cx))
4673                        } else {
4674                            this.child(
4675                                v_flex()
4676                                    .relative()
4677                                    .flex_1()
4678                                    .overflow_hidden()
4679                                    .child(
4680                                        list(
4681                                            self.list_state.clone(),
4682                                            cx.processor(Self::render_list_entry),
4683                                        )
4684                                        .flex_1()
4685                                        .size_full(),
4686                                    )
4687                                    .when(no_search_results, |this| {
4688                                        this.child(self.render_no_results(cx))
4689                                    })
4690                                    .when_some(sticky_header, |this, header| this.child(header))
4691                                    .vertical_scrollbar_for(&self.list_state, window, cx),
4692                            )
4693                        }
4694                    }),
4695                SidebarView::Archive(archive_view) => this.child(archive_view.clone()),
4696            })
4697            .when(self.should_render_acp_import_onboarding(cx), |this| {
4698                this.child(self.render_acp_import_onboarding(cx))
4699            })
4700            .child(self.render_sidebar_bottom_bar(cx))
4701    }
4702}
4703
4704fn all_thread_infos_for_workspace(
4705    workspace: &Entity<Workspace>,
4706    cx: &App,
4707) -> impl Iterator<Item = ActiveThreadInfo> {
4708    let Some(agent_panel) = workspace.read(cx).panel::<AgentPanel>(cx) else {
4709        return None.into_iter().flatten();
4710    };
4711    let agent_panel = agent_panel.read(cx);
4712    let threads = agent_panel
4713        .conversation_views()
4714        .into_iter()
4715        .filter_map(|conversation_view| {
4716            let has_pending_tool_call = conversation_view
4717                .read(cx)
4718                .root_thread_has_pending_tool_call(cx);
4719            let thread_view = conversation_view.read(cx).root_thread(cx)?;
4720            let thread_view_ref = thread_view.read(cx);
4721            let thread = thread_view_ref.thread.read(cx);
4722
4723            let icon = thread_view_ref.agent_icon;
4724            let icon_from_external_svg = thread_view_ref.agent_icon_from_external_svg.clone();
4725            let title = thread
4726                .title()
4727                .unwrap_or_else(|| DEFAULT_THREAD_TITLE.into());
4728            let is_native = thread_view_ref.as_native_thread(cx).is_some();
4729            let is_title_generating = is_native && thread.has_provisional_title();
4730            let session_id = thread.session_id().clone();
4731            let is_background = agent_panel.is_background_thread(&session_id);
4732
4733            let status = if has_pending_tool_call {
4734                AgentThreadStatus::WaitingForConfirmation
4735            } else if thread.had_error() {
4736                AgentThreadStatus::Error
4737            } else {
4738                match thread.status() {
4739                    ThreadStatus::Generating => AgentThreadStatus::Running,
4740                    ThreadStatus::Idle => AgentThreadStatus::Completed,
4741                }
4742            };
4743
4744            let diff_stats = thread.action_log().read(cx).diff_stats(cx);
4745
4746            Some(ActiveThreadInfo {
4747                session_id,
4748                title,
4749                status,
4750                icon,
4751                icon_from_external_svg,
4752                is_background,
4753                is_title_generating,
4754                diff_stats,
4755            })
4756        });
4757
4758    Some(threads).into_iter().flatten()
4759}
4760
4761pub fn dump_workspace_info(
4762    workspace: &mut Workspace,
4763    _: &DumpWorkspaceInfo,
4764    window: &mut gpui::Window,
4765    cx: &mut gpui::Context<Workspace>,
4766) {
4767    use std::fmt::Write;
4768
4769    let mut output = String::new();
4770    let this_entity = cx.entity();
4771
4772    let multi_workspace = workspace.multi_workspace().and_then(|weak| weak.upgrade());
4773    let workspaces: Vec<gpui::Entity<Workspace>> = match &multi_workspace {
4774        Some(mw) => mw.read(cx).workspaces().cloned().collect(),
4775        None => vec![this_entity.clone()],
4776    };
4777    let active_workspace = multi_workspace
4778        .as_ref()
4779        .map(|mw| mw.read(cx).workspace().clone());
4780
4781    writeln!(output, "MultiWorkspace: {} workspace(s)", workspaces.len()).ok();
4782
4783    if let Some(mw) = &multi_workspace {
4784        let keys: Vec<_> = mw.read(cx).project_group_keys().cloned().collect();
4785        writeln!(output, "Project group keys ({}):", keys.len()).ok();
4786        for key in keys {
4787            writeln!(output, "  - {key:?}").ok();
4788        }
4789    }
4790
4791    writeln!(output).ok();
4792
4793    for (index, ws) in workspaces.iter().enumerate() {
4794        let is_active = active_workspace.as_ref() == Some(ws);
4795        writeln!(
4796            output,
4797            "--- Workspace {index}{} ---",
4798            if is_active { " (active)" } else { "" }
4799        )
4800        .ok();
4801
4802        // project_group_key_for_workspace internally reads the workspace,
4803        // so we can only call it for workspaces other than this_entity
4804        // (which is already being updated).
4805        if let Some(mw) = &multi_workspace {
4806            if *ws == this_entity {
4807                let workspace_key = workspace.project_group_key(cx);
4808                writeln!(output, "ProjectGroupKey: {workspace_key:?}").ok();
4809            } else {
4810                let effective_key = mw.read(cx).project_group_key_for_workspace(ws, cx);
4811                let workspace_key = ws.read(cx).project_group_key(cx);
4812                if effective_key != workspace_key {
4813                    writeln!(
4814                        output,
4815                        "ProjectGroupKey (multi_workspace): {effective_key:?}"
4816                    )
4817                    .ok();
4818                    writeln!(
4819                        output,
4820                        "ProjectGroupKey (workspace, DISAGREES): {workspace_key:?}"
4821                    )
4822                    .ok();
4823                } else {
4824                    writeln!(output, "ProjectGroupKey: {effective_key:?}").ok();
4825                }
4826            }
4827        } else {
4828            let workspace_key = workspace.project_group_key(cx);
4829            writeln!(output, "ProjectGroupKey: {workspace_key:?}").ok();
4830        }
4831
4832        // The action handler is already inside an update on `this_entity`,
4833        // so we must avoid a nested read/update on that same entity.
4834        if *ws == this_entity {
4835            dump_single_workspace(workspace, &mut output, cx);
4836        } else {
4837            ws.read_with(cx, |ws, cx| {
4838                dump_single_workspace(ws, &mut output, cx);
4839            });
4840        }
4841    }
4842
4843    let project = workspace.project().clone();
4844    cx.spawn_in(window, async move |_this, cx| {
4845        let buffer = project
4846            .update(cx, |project, cx| project.create_buffer(None, false, cx))
4847            .await?;
4848
4849        buffer.update(cx, |buffer, cx| {
4850            buffer.set_text(output, cx);
4851        });
4852
4853        let buffer = cx.new(|cx| {
4854            editor::MultiBuffer::singleton(buffer, cx).with_title("Workspace Info".into())
4855        });
4856
4857        _this.update_in(cx, |workspace, window, cx| {
4858            workspace.add_item_to_active_pane(
4859                Box::new(cx.new(|cx| {
4860                    let mut editor =
4861                        editor::Editor::for_multibuffer(buffer, Some(project.clone()), window, cx);
4862                    editor.set_read_only(true);
4863                    editor.set_should_serialize(false, cx);
4864                    editor.set_breadcrumb_header("Workspace Info".into());
4865                    editor
4866                })),
4867                None,
4868                true,
4869                window,
4870                cx,
4871            );
4872        })
4873    })
4874    .detach_and_log_err(cx);
4875}
4876
4877fn dump_single_workspace(workspace: &Workspace, output: &mut String, cx: &gpui::App) {
4878    use std::fmt::Write;
4879
4880    let workspace_db_id = workspace.database_id();
4881    match workspace_db_id {
4882        Some(id) => writeln!(output, "Workspace DB ID: {id:?}").ok(),
4883        None => writeln!(output, "Workspace DB ID: (none)").ok(),
4884    };
4885
4886    let project = workspace.project().read(cx);
4887
4888    let repos: Vec<_> = project
4889        .repositories(cx)
4890        .values()
4891        .map(|repo| repo.read(cx).snapshot())
4892        .collect();
4893
4894    writeln!(output, "Worktrees:").ok();
4895    for worktree in project.worktrees(cx) {
4896        let worktree = worktree.read(cx);
4897        let abs_path = worktree.abs_path();
4898        let visible = worktree.is_visible();
4899
4900        let repo_info = repos
4901            .iter()
4902            .find(|snapshot| abs_path.starts_with(&*snapshot.work_directory_abs_path));
4903
4904        let is_linked = repo_info.map(|s| s.is_linked_worktree()).unwrap_or(false);
4905        let original_repo_path = repo_info.map(|s| &s.original_repo_abs_path);
4906        let branch = repo_info.and_then(|s| s.branch.as_ref().map(|b| b.ref_name.clone()));
4907
4908        write!(output, "  - {}", abs_path.display()).ok();
4909        if !visible {
4910            write!(output, " (hidden)").ok();
4911        }
4912        if let Some(branch) = &branch {
4913            write!(output, " [branch: {branch}]").ok();
4914        }
4915        if is_linked {
4916            if let Some(original) = original_repo_path {
4917                write!(output, " [linked worktree -> {}]", original.display()).ok();
4918            } else {
4919                write!(output, " [linked worktree]").ok();
4920            }
4921        }
4922        writeln!(output).ok();
4923    }
4924
4925    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
4926        let panel = panel.read(cx);
4927
4928        let panel_workspace_id = panel.workspace_id();
4929        if panel_workspace_id != workspace_db_id {
4930            writeln!(
4931                output,
4932                "  \u{26a0} workspace ID mismatch! panel has {panel_workspace_id:?}, workspace has {workspace_db_id:?}"
4933            )
4934            .ok();
4935        }
4936
4937        if let Some(thread) = panel.active_agent_thread(cx) {
4938            let thread = thread.read(cx);
4939            let title = thread.title().unwrap_or_else(|| "(untitled)".into());
4940            let session_id = thread.session_id();
4941            let status = match thread.status() {
4942                ThreadStatus::Idle => "idle",
4943                ThreadStatus::Generating => "generating",
4944            };
4945            let entry_count = thread.entries().len();
4946            write!(output, "Active thread: {title} (session: {session_id})").ok();
4947            write!(output, " [{status}, {entry_count} entries").ok();
4948            if panel
4949                .active_conversation_view()
4950                .is_some_and(|conversation_view| {
4951                    conversation_view
4952                        .read(cx)
4953                        .root_thread_has_pending_tool_call(cx)
4954                })
4955            {
4956                write!(output, ", awaiting confirmation").ok();
4957            }
4958            writeln!(output, "]").ok();
4959        } else {
4960            writeln!(output, "Active thread: (none)").ok();
4961        }
4962
4963        let background_threads = panel.background_threads();
4964        if !background_threads.is_empty() {
4965            writeln!(
4966                output,
4967                "Background threads ({}): ",
4968                background_threads.len()
4969            )
4970            .ok();
4971            for (session_id, conversation_view) in background_threads {
4972                if let Some(thread_view) = conversation_view.read(cx).root_thread(cx) {
4973                    let thread = thread_view.read(cx).thread.read(cx);
4974                    let title = thread.title().unwrap_or_else(|| "(untitled)".into());
4975                    let status = match thread.status() {
4976                        ThreadStatus::Idle => "idle",
4977                        ThreadStatus::Generating => "generating",
4978                    };
4979                    let entry_count = thread.entries().len();
4980                    write!(output, "  - {title} (session: {session_id})").ok();
4981                    write!(output, " [{status}, {entry_count} entries").ok();
4982                    if conversation_view
4983                        .read(cx)
4984                        .root_thread_has_pending_tool_call(cx)
4985                    {
4986                        write!(output, ", awaiting confirmation").ok();
4987                    }
4988                    writeln!(output, "]").ok();
4989                } else {
4990                    writeln!(output, "  - (not connected) (session: {session_id})").ok();
4991                }
4992            }
4993        }
4994    } else {
4995        writeln!(output, "Agent panel: not loaded").ok();
4996    }
4997
4998    writeln!(output).ok();
4999}