agent_panel.rs

   1use std::{
   2    ops::Range,
   3    path::{Path, PathBuf},
   4    rc::Rc,
   5    sync::{
   6        Arc,
   7        atomic::{AtomicBool, Ordering},
   8    },
   9    time::Duration,
  10};
  11
  12use acp_thread::{AcpThread, MentionUri, ThreadStatus};
  13use agent::{ContextServerRegistry, SharedThread, ThreadStore};
  14use agent_client_protocol as acp;
  15use agent_servers::AgentServer;
  16use collections::HashSet;
  17use db::kvp::{Dismissable, KeyValueStore};
  18use itertools::Itertools;
  19use project::AgentId;
  20use serde::{Deserialize, Serialize};
  21use settings::{LanguageModelProviderSetting, LanguageModelSelection};
  22
  23use feature_flags::{AgentV2FeatureFlag, FeatureFlagAppExt as _};
  24use zed_actions::agent::{
  25    ConflictContent, OpenClaudeAgentOnboardingModal, ReauthenticateAgent,
  26    ResolveConflictedFilesWithAgent, ResolveConflictsWithAgent, ReviewBranchDiff,
  27};
  28
  29use crate::{
  30    AddContextServer, AgentDiffPane, ConversationView, CopyThreadToClipboard, CycleStartThreadIn,
  31    Follow, InlineAssistant, LoadThreadFromClipboard, NewTextThread, NewThread,
  32    OpenActiveThreadAsMarkdown, OpenAgentDiff, OpenHistory, ResetTrialEndUpsell, ResetTrialUpsell,
  33    StartThreadIn, ToggleNavigationMenu, ToggleNewThreadMenu, ToggleOptionsMenu,
  34    agent_configuration::{AgentConfiguration, AssistantConfigurationEvent},
  35    conversation_view::{AcpThreadViewEvent, ThreadView},
  36    slash_command::SlashCommandCompletionProvider,
  37    text_thread_editor::{AgentPanelDelegate, TextThreadEditor, make_lsp_adapter_delegate},
  38    ui::EndTrialUpsell,
  39};
  40use crate::{
  41    Agent, AgentInitialContent, ExternalSourcePrompt, NewExternalAgentThread,
  42    NewNativeAgentThreadFromSummary,
  43};
  44use crate::{
  45    DEFAULT_THREAD_TITLE,
  46    ui::{AcpOnboardingModal, ClaudeCodeOnboardingModal, HoldForDefault},
  47};
  48use crate::{
  49    ExpandMessageEditor, ThreadHistoryView,
  50    text_thread_history::{TextThreadHistory, TextThreadHistoryEvent},
  51};
  52use crate::{ManageProfiles, ThreadHistoryViewEvent};
  53use crate::{ThreadHistory, agent_connection_store::AgentConnectionStore};
  54use agent_settings::AgentSettings;
  55use ai_onboarding::AgentPanelOnboarding;
  56use anyhow::{Context as _, Result, anyhow};
  57use assistant_slash_command::SlashCommandWorkingSet;
  58use assistant_text_thread::{TextThread, TextThreadEvent, TextThreadSummary};
  59use client::UserStore;
  60use cloud_api_types::Plan;
  61use collections::HashMap;
  62use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
  63use extension::ExtensionEvents;
  64use extension_host::ExtensionStore;
  65use fs::Fs;
  66use gpui::{
  67    Action, Animation, AnimationExt, AnyElement, App, AsyncWindowContext, ClipboardItem, Corner,
  68    DismissEvent, Entity, EventEmitter, ExternalPaths, FocusHandle, Focusable, KeyContext, Pixels,
  69    Subscription, Task, UpdateGlobal, WeakEntity, prelude::*, pulsating_between,
  70};
  71use language::LanguageRegistry;
  72use language_model::{ConfigurationError, LanguageModelRegistry};
  73use project::project_settings::ProjectSettings;
  74use project::{Project, ProjectPath, Worktree};
  75use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
  76use rules_library::{RulesLibrary, open_rules_library};
  77use search::{BufferSearchBar, buffer_search};
  78use settings::{Settings, update_settings_file};
  79use theme_settings::ThemeSettings;
  80use ui::{
  81    Button, Callout, CommonAnimationExt, ContextMenu, ContextMenuEntry, DocumentationSide,
  82    KeyBinding, PopoverMenu, PopoverMenuHandle, Tab, Tooltip, prelude::*, utils::WithRemSize,
  83};
  84use util::{ResultExt as _, debug_panic};
  85use workspace::{
  86    CollaboratorId, DraggedSelection, DraggedTab, OpenMode, OpenResult, PathList,
  87    SerializedPathList, ToggleWorkspaceSidebar, ToggleZoom, ToolbarItemView, Workspace,
  88    WorkspaceId,
  89    dock::{DockPosition, Panel, PanelEvent},
  90};
  91use zed_actions::{
  92    DecreaseBufferFontSize, IncreaseBufferFontSize, ResetBufferFontSize,
  93    agent::{OpenAcpOnboardingModal, OpenSettings, ResetAgentZoom, ResetOnboarding},
  94    assistant::{OpenRulesLibrary, Toggle, ToggleFocus},
  95};
  96
  97const AGENT_PANEL_KEY: &str = "agent_panel";
  98const RECENTLY_UPDATED_MENU_LIMIT: usize = 6;
  99
 100fn read_serialized_panel(
 101    workspace_id: workspace::WorkspaceId,
 102    kvp: &KeyValueStore,
 103) -> Option<SerializedAgentPanel> {
 104    let scope = kvp.scoped(AGENT_PANEL_KEY);
 105    let key = i64::from(workspace_id).to_string();
 106    scope
 107        .read(&key)
 108        .log_err()
 109        .flatten()
 110        .and_then(|json| serde_json::from_str::<SerializedAgentPanel>(&json).log_err())
 111}
 112
 113async fn save_serialized_panel(
 114    workspace_id: workspace::WorkspaceId,
 115    panel: SerializedAgentPanel,
 116    kvp: KeyValueStore,
 117) -> Result<()> {
 118    let scope = kvp.scoped(AGENT_PANEL_KEY);
 119    let key = i64::from(workspace_id).to_string();
 120    scope.write(key, serde_json::to_string(&panel)?).await?;
 121    Ok(())
 122}
 123
 124/// Migration: reads the original single-panel format stored under the
 125/// `"agent_panel"` KVP key before per-workspace keying was introduced.
 126fn read_legacy_serialized_panel(kvp: &KeyValueStore) -> Option<SerializedAgentPanel> {
 127    kvp.read_kvp(AGENT_PANEL_KEY)
 128        .log_err()
 129        .flatten()
 130        .and_then(|json| serde_json::from_str::<SerializedAgentPanel>(&json).log_err())
 131}
 132
 133#[derive(Serialize, Deserialize, Debug)]
 134struct SerializedAgentPanel {
 135    selected_agent: Option<AgentType>,
 136    #[serde(default)]
 137    last_active_thread: Option<SerializedActiveThread>,
 138    #[serde(default)]
 139    start_thread_in: Option<StartThreadIn>,
 140}
 141
 142#[derive(Serialize, Deserialize, Debug)]
 143struct SerializedActiveThread {
 144    session_id: String,
 145    agent_type: AgentType,
 146    title: Option<String>,
 147    work_dirs: Option<SerializedPathList>,
 148}
 149
 150pub fn init(cx: &mut App) {
 151    cx.observe_new(
 152        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
 153            workspace
 154                .register_action(|workspace, action: &NewThread, window, cx| {
 155                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 156                        panel.update(cx, |panel, cx| panel.new_thread(action, window, cx));
 157                        workspace.focus_panel::<AgentPanel>(window, cx);
 158                    }
 159                })
 160                .register_action(
 161                    |workspace, action: &NewNativeAgentThreadFromSummary, window, cx| {
 162                        if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 163                            panel.update(cx, |panel, cx| {
 164                                panel.new_native_agent_thread_from_summary(action, window, cx)
 165                            });
 166                            workspace.focus_panel::<AgentPanel>(window, cx);
 167                        }
 168                    },
 169                )
 170                .register_action(|workspace, _: &ExpandMessageEditor, window, cx| {
 171                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 172                        workspace.focus_panel::<AgentPanel>(window, cx);
 173                        panel.update(cx, |panel, cx| panel.expand_message_editor(window, cx));
 174                    }
 175                })
 176                .register_action(|workspace, _: &OpenHistory, window, cx| {
 177                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 178                        workspace.focus_panel::<AgentPanel>(window, cx);
 179                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
 180                    }
 181                })
 182                .register_action(|workspace, _: &OpenSettings, window, cx| {
 183                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 184                        workspace.focus_panel::<AgentPanel>(window, cx);
 185                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
 186                    }
 187                })
 188                .register_action(|workspace, _: &NewTextThread, window, cx| {
 189                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 190                        workspace.focus_panel::<AgentPanel>(window, cx);
 191                        panel.update(cx, |panel, cx| {
 192                            panel.new_text_thread(window, cx);
 193                        });
 194                    }
 195                })
 196                .register_action(|workspace, action: &NewExternalAgentThread, window, cx| {
 197                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 198                        workspace.focus_panel::<AgentPanel>(window, cx);
 199                        panel.update(cx, |panel, cx| {
 200                            panel.external_thread(
 201                                action.agent.clone(),
 202                                None,
 203                                None,
 204                                None,
 205                                None,
 206                                true,
 207                                window,
 208                                cx,
 209                            )
 210                        });
 211                    }
 212                })
 213                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
 214                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 215                        workspace.focus_panel::<AgentPanel>(window, cx);
 216                        panel.update(cx, |panel, cx| {
 217                            panel.deploy_rules_library(action, window, cx)
 218                        });
 219                    }
 220                })
 221                .register_action(|workspace, _: &Follow, window, cx| {
 222                    workspace.follow(CollaboratorId::Agent, window, cx);
 223                })
 224                .register_action(|workspace, _: &OpenAgentDiff, window, cx| {
 225                    let thread = workspace
 226                        .panel::<AgentPanel>(cx)
 227                        .and_then(|panel| panel.read(cx).active_conversation_view().cloned())
 228                        .and_then(|conversation| {
 229                            conversation
 230                                .read(cx)
 231                                .active_thread()
 232                                .map(|r| r.read(cx).thread.clone())
 233                        });
 234
 235                    if let Some(thread) = thread {
 236                        AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx);
 237                    }
 238                })
 239                .register_action(|workspace, _: &ToggleNavigationMenu, window, cx| {
 240                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 241                        workspace.focus_panel::<AgentPanel>(window, cx);
 242                        panel.update(cx, |panel, cx| {
 243                            panel.toggle_navigation_menu(&ToggleNavigationMenu, window, cx);
 244                        });
 245                    }
 246                })
 247                .register_action(|workspace, _: &ToggleOptionsMenu, window, cx| {
 248                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 249                        workspace.focus_panel::<AgentPanel>(window, cx);
 250                        panel.update(cx, |panel, cx| {
 251                            panel.toggle_options_menu(&ToggleOptionsMenu, window, cx);
 252                        });
 253                    }
 254                })
 255                .register_action(|workspace, _: &ToggleNewThreadMenu, window, cx| {
 256                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 257                        workspace.focus_panel::<AgentPanel>(window, cx);
 258                        panel.update(cx, |panel, cx| {
 259                            panel.toggle_new_thread_menu(&ToggleNewThreadMenu, window, cx);
 260                        });
 261                    }
 262                })
 263                .register_action(|workspace, _: &OpenAcpOnboardingModal, window, cx| {
 264                    AcpOnboardingModal::toggle(workspace, window, cx)
 265                })
 266                .register_action(
 267                    |workspace, _: &OpenClaudeAgentOnboardingModal, window, cx| {
 268                        ClaudeCodeOnboardingModal::toggle(workspace, window, cx)
 269                    },
 270                )
 271                .register_action(|_workspace, _: &ResetOnboarding, window, cx| {
 272                    window.dispatch_action(workspace::RestoreBanner.boxed_clone(), cx);
 273                    window.refresh();
 274                })
 275                .register_action(|workspace, _: &ResetTrialUpsell, _window, cx| {
 276                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 277                        panel.update(cx, |panel, _| {
 278                            panel
 279                                .on_boarding_upsell_dismissed
 280                                .store(false, Ordering::Release);
 281                        });
 282                    }
 283                    OnboardingUpsell::set_dismissed(false, cx);
 284                })
 285                .register_action(|_workspace, _: &ResetTrialEndUpsell, _window, cx| {
 286                    TrialEndUpsell::set_dismissed(false, cx);
 287                })
 288                .register_action(|workspace, _: &ResetAgentZoom, window, cx| {
 289                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 290                        panel.update(cx, |panel, cx| {
 291                            panel.reset_agent_zoom(window, cx);
 292                        });
 293                    }
 294                })
 295                .register_action(|workspace, _: &CopyThreadToClipboard, window, cx| {
 296                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 297                        panel.update(cx, |panel, cx| {
 298                            panel.copy_thread_to_clipboard(window, cx);
 299                        });
 300                    }
 301                })
 302                .register_action(|workspace, _: &LoadThreadFromClipboard, window, cx| {
 303                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 304                        workspace.focus_panel::<AgentPanel>(window, cx);
 305                        panel.update(cx, |panel, cx| {
 306                            panel.load_thread_from_clipboard(window, cx);
 307                        });
 308                    }
 309                })
 310                .register_action(|workspace, action: &ReviewBranchDiff, window, cx| {
 311                    let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 312                        return;
 313                    };
 314
 315                    let mention_uri = MentionUri::GitDiff {
 316                        base_ref: action.base_ref.to_string(),
 317                    };
 318                    let diff_uri = mention_uri.to_uri().to_string();
 319
 320                    let content_blocks = vec![
 321                        acp::ContentBlock::Text(acp::TextContent::new(
 322                            "Please review this branch diff carefully. Point out any issues, \
 323                             potential bugs, or improvement opportunities you find.\n\n"
 324                                .to_string(),
 325                        )),
 326                        acp::ContentBlock::Resource(acp::EmbeddedResource::new(
 327                            acp::EmbeddedResourceResource::TextResourceContents(
 328                                acp::TextResourceContents::new(
 329                                    action.diff_text.to_string(),
 330                                    diff_uri,
 331                                ),
 332                            ),
 333                        )),
 334                    ];
 335
 336                    workspace.focus_panel::<AgentPanel>(window, cx);
 337
 338                    panel.update(cx, |panel, cx| {
 339                        panel.external_thread(
 340                            None,
 341                            None,
 342                            None,
 343                            None,
 344                            Some(AgentInitialContent::ContentBlock {
 345                                blocks: content_blocks,
 346                                auto_submit: true,
 347                            }),
 348                            true,
 349                            window,
 350                            cx,
 351                        );
 352                    });
 353                })
 354                .register_action(
 355                    |workspace, action: &ResolveConflictsWithAgent, window, cx| {
 356                        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 357                            return;
 358                        };
 359
 360                        let content_blocks = build_conflict_resolution_prompt(&action.conflicts);
 361
 362                        workspace.focus_panel::<AgentPanel>(window, cx);
 363
 364                        panel.update(cx, |panel, cx| {
 365                            panel.external_thread(
 366                                None,
 367                                None,
 368                                None,
 369                                None,
 370                                Some(AgentInitialContent::ContentBlock {
 371                                    blocks: content_blocks,
 372                                    auto_submit: true,
 373                                }),
 374                                true,
 375                                window,
 376                                cx,
 377                            );
 378                        });
 379                    },
 380                )
 381                .register_action(
 382                    |workspace, action: &ResolveConflictedFilesWithAgent, window, cx| {
 383                        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 384                            return;
 385                        };
 386
 387                        let content_blocks =
 388                            build_conflicted_files_resolution_prompt(&action.conflicted_file_paths);
 389
 390                        workspace.focus_panel::<AgentPanel>(window, cx);
 391
 392                        panel.update(cx, |panel, cx| {
 393                            panel.external_thread(
 394                                None,
 395                                None,
 396                                None,
 397                                None,
 398                                Some(AgentInitialContent::ContentBlock {
 399                                    blocks: content_blocks,
 400                                    auto_submit: true,
 401                                }),
 402                                true,
 403                                window,
 404                                cx,
 405                            );
 406                        });
 407                    },
 408                )
 409                .register_action(|workspace, action: &StartThreadIn, window, cx| {
 410                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 411                        panel.update(cx, |panel, cx| {
 412                            panel.set_start_thread_in(action, window, cx);
 413                        });
 414                    }
 415                })
 416                .register_action(|workspace, _: &CycleStartThreadIn, window, cx| {
 417                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 418                        panel.update(cx, |panel, cx| {
 419                            panel.cycle_start_thread_in(window, cx);
 420                        });
 421                    }
 422                });
 423        },
 424    )
 425    .detach();
 426}
 427
 428fn conflict_resource_block(conflict: &ConflictContent) -> acp::ContentBlock {
 429    let mention_uri = MentionUri::MergeConflict {
 430        file_path: conflict.file_path.clone(),
 431    };
 432    acp::ContentBlock::Resource(acp::EmbeddedResource::new(
 433        acp::EmbeddedResourceResource::TextResourceContents(acp::TextResourceContents::new(
 434            conflict.conflict_text.clone(),
 435            mention_uri.to_uri().to_string(),
 436        )),
 437    ))
 438}
 439
 440fn build_conflict_resolution_prompt(conflicts: &[ConflictContent]) -> Vec<acp::ContentBlock> {
 441    if conflicts.is_empty() {
 442        return Vec::new();
 443    }
 444
 445    let mut blocks = Vec::new();
 446
 447    if conflicts.len() == 1 {
 448        let conflict = &conflicts[0];
 449
 450        blocks.push(acp::ContentBlock::Text(acp::TextContent::new(
 451            "Please resolve the following merge conflict in ",
 452        )));
 453        let mention = MentionUri::File {
 454            abs_path: PathBuf::from(conflict.file_path.clone()),
 455        };
 456        blocks.push(acp::ContentBlock::ResourceLink(acp::ResourceLink::new(
 457            mention.name(),
 458            mention.to_uri(),
 459        )));
 460
 461        blocks.push(acp::ContentBlock::Text(acp::TextContent::new(
 462            indoc::formatdoc!(
 463                "\nThe conflict is between branch `{ours}` (ours) and `{theirs}` (theirs).
 464
 465                Analyze both versions carefully and resolve the conflict by editing \
 466                the file directly. Choose the resolution that best preserves the intent \
 467                of both changes, or combine them if appropriate.
 468
 469                ",
 470                ours = conflict.ours_branch_name,
 471                theirs = conflict.theirs_branch_name,
 472            ),
 473        )));
 474    } else {
 475        let n = conflicts.len();
 476        let unique_files: HashSet<&str> = conflicts.iter().map(|c| c.file_path.as_str()).collect();
 477        let ours = &conflicts[0].ours_branch_name;
 478        let theirs = &conflicts[0].theirs_branch_name;
 479        blocks.push(acp::ContentBlock::Text(acp::TextContent::new(
 480            indoc::formatdoc!(
 481                "Please resolve all {n} merge conflicts below.
 482
 483                The conflicts are between branch `{ours}` (ours) and `{theirs}` (theirs).
 484
 485                For each conflict, analyze both versions carefully and resolve them \
 486                by editing the file{suffix} directly. Choose resolutions that best preserve \
 487                the intent of both changes, or combine them if appropriate.
 488
 489                ",
 490                suffix = if unique_files.len() > 1 { "s" } else { "" },
 491            ),
 492        )));
 493    }
 494
 495    for conflict in conflicts {
 496        blocks.push(conflict_resource_block(conflict));
 497    }
 498
 499    blocks
 500}
 501
 502fn build_conflicted_files_resolution_prompt(
 503    conflicted_file_paths: &[String],
 504) -> Vec<acp::ContentBlock> {
 505    if conflicted_file_paths.is_empty() {
 506        return Vec::new();
 507    }
 508
 509    let instruction = indoc::indoc!(
 510        "The following files have unresolved merge conflicts. Please open each \
 511         file, find the conflict markers (`<<<<<<<` / `=======` / `>>>>>>>`), \
 512         and resolve every conflict by editing the files directly.
 513
 514         Choose resolutions that best preserve the intent of both changes, \
 515         or combine them if appropriate.
 516
 517         Files with conflicts:
 518         ",
 519    );
 520
 521    let mut content = vec![acp::ContentBlock::Text(acp::TextContent::new(instruction))];
 522    for path in conflicted_file_paths {
 523        let mention = MentionUri::File {
 524            abs_path: PathBuf::from(path),
 525        };
 526        content.push(acp::ContentBlock::ResourceLink(acp::ResourceLink::new(
 527            mention.name(),
 528            mention.to_uri(),
 529        )));
 530        content.push(acp::ContentBlock::Text(acp::TextContent::new("\n")));
 531    }
 532    content
 533}
 534
 535#[derive(Clone, Debug, PartialEq, Eq)]
 536enum History {
 537    AgentThreads { view: Entity<ThreadHistoryView> },
 538    TextThreads,
 539}
 540
 541enum ActiveView {
 542    Uninitialized,
 543    AgentThread {
 544        conversation_view: Entity<ConversationView>,
 545    },
 546    TextThread {
 547        text_thread_editor: Entity<TextThreadEditor>,
 548        title_editor: Entity<Editor>,
 549        buffer_search_bar: Entity<BufferSearchBar>,
 550        _subscriptions: Vec<gpui::Subscription>,
 551    },
 552    History {
 553        history: History,
 554    },
 555    Configuration,
 556}
 557
 558enum WhichFontSize {
 559    AgentFont,
 560    BufferFont,
 561    None,
 562}
 563
 564// TODO unify this with ExternalAgent
 565#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
 566pub enum AgentType {
 567    #[default]
 568    NativeAgent,
 569    TextThread,
 570    Custom {
 571        #[serde(rename = "name")]
 572        id: AgentId,
 573    },
 574}
 575
 576impl AgentType {
 577    pub fn is_native(&self) -> bool {
 578        matches!(self, Self::NativeAgent)
 579    }
 580
 581    fn label(&self) -> SharedString {
 582        match self {
 583            Self::NativeAgent | Self::TextThread => "Zed Agent".into(),
 584            Self::Custom { id, .. } => id.0.clone(),
 585        }
 586    }
 587
 588    fn icon(&self) -> Option<IconName> {
 589        match self {
 590            Self::NativeAgent | Self::TextThread => None,
 591            Self::Custom { .. } => Some(IconName::Sparkle),
 592        }
 593    }
 594}
 595
 596impl From<Agent> for AgentType {
 597    fn from(value: Agent) -> Self {
 598        match value {
 599            Agent::Custom { id } => Self::Custom { id },
 600            Agent::NativeAgent => Self::NativeAgent,
 601        }
 602    }
 603}
 604
 605impl StartThreadIn {
 606    fn label(&self) -> SharedString {
 607        match self {
 608            Self::LocalProject => "Current Worktree".into(),
 609            Self::NewWorktree => "New Git Worktree".into(),
 610        }
 611    }
 612}
 613
 614#[derive(Clone, Debug)]
 615#[allow(dead_code)]
 616pub enum WorktreeCreationStatus {
 617    Creating,
 618    Error(SharedString),
 619}
 620
 621impl ActiveView {
 622    pub fn which_font_size_used(&self) -> WhichFontSize {
 623        match self {
 624            ActiveView::Uninitialized
 625            | ActiveView::AgentThread { .. }
 626            | ActiveView::History { .. } => WhichFontSize::AgentFont,
 627            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
 628            ActiveView::Configuration => WhichFontSize::None,
 629        }
 630    }
 631
 632    pub fn text_thread(
 633        text_thread_editor: Entity<TextThreadEditor>,
 634        language_registry: Arc<LanguageRegistry>,
 635        window: &mut Window,
 636        cx: &mut App,
 637    ) -> Self {
 638        let title = text_thread_editor.read(cx).title(cx).to_string();
 639
 640        let editor = cx.new(|cx| {
 641            let mut editor = Editor::single_line(window, cx);
 642            editor.set_text(title, window, cx);
 643            editor
 644        });
 645
 646        // This is a workaround for `editor.set_text` emitting a `BufferEdited` event, which would
 647        // cause a custom summary to be set. The presence of this custom summary would cause
 648        // summarization to not happen.
 649        let mut suppress_first_edit = true;
 650
 651        let subscriptions = vec![
 652            window.subscribe(&editor, cx, {
 653                {
 654                    let text_thread_editor = text_thread_editor.clone();
 655                    move |editor, event, window, cx| match event {
 656                        EditorEvent::BufferEdited => {
 657                            if suppress_first_edit {
 658                                suppress_first_edit = false;
 659                                return;
 660                            }
 661                            let new_summary = editor.read(cx).text(cx);
 662
 663                            text_thread_editor.update(cx, |text_thread_editor, cx| {
 664                                text_thread_editor
 665                                    .text_thread()
 666                                    .update(cx, |text_thread, cx| {
 667                                        text_thread.set_custom_summary(new_summary, cx);
 668                                    })
 669                            })
 670                        }
 671                        EditorEvent::Blurred => {
 672                            if editor.read(cx).text(cx).is_empty() {
 673                                let summary = text_thread_editor
 674                                    .read(cx)
 675                                    .text_thread()
 676                                    .read(cx)
 677                                    .summary()
 678                                    .or_default();
 679
 680                                editor.update(cx, |editor, cx| {
 681                                    editor.set_text(summary, window, cx);
 682                                });
 683                            }
 684                        }
 685                        _ => {}
 686                    }
 687                }
 688            }),
 689            window.subscribe(&text_thread_editor.read(cx).text_thread().clone(), cx, {
 690                let editor = editor.clone();
 691                move |text_thread, event, window, cx| match event {
 692                    TextThreadEvent::SummaryGenerated => {
 693                        let summary = text_thread.read(cx).summary().or_default();
 694
 695                        editor.update(cx, |editor, cx| {
 696                            editor.set_text(summary, window, cx);
 697                        })
 698                    }
 699                    TextThreadEvent::PathChanged { .. } => {}
 700                    _ => {}
 701                }
 702            }),
 703        ];
 704
 705        let buffer_search_bar =
 706            cx.new(|cx| BufferSearchBar::new(Some(language_registry), window, cx));
 707        buffer_search_bar.update(cx, |buffer_search_bar, cx| {
 708            buffer_search_bar.set_active_pane_item(Some(&text_thread_editor), window, cx)
 709        });
 710
 711        Self::TextThread {
 712            text_thread_editor,
 713            title_editor: editor,
 714            buffer_search_bar,
 715            _subscriptions: subscriptions,
 716        }
 717    }
 718}
 719
 720pub struct AgentPanel {
 721    workspace: WeakEntity<Workspace>,
 722    /// Workspace id is used as a database key
 723    workspace_id: Option<WorkspaceId>,
 724    user_store: Entity<UserStore>,
 725    project: Entity<Project>,
 726    fs: Arc<dyn Fs>,
 727    language_registry: Arc<LanguageRegistry>,
 728    text_thread_history: Entity<TextThreadHistory>,
 729    thread_store: Entity<ThreadStore>,
 730    text_thread_store: Entity<assistant_text_thread::TextThreadStore>,
 731    prompt_store: Option<Entity<PromptStore>>,
 732    connection_store: Entity<AgentConnectionStore>,
 733    context_server_registry: Entity<ContextServerRegistry>,
 734    configuration: Option<Entity<AgentConfiguration>>,
 735    configuration_subscription: Option<Subscription>,
 736    focus_handle: FocusHandle,
 737    active_view: ActiveView,
 738    previous_view: Option<ActiveView>,
 739    background_threads: HashMap<acp::SessionId, Entity<ConversationView>>,
 740    new_thread_menu_handle: PopoverMenuHandle<ContextMenu>,
 741    start_thread_in_menu_handle: PopoverMenuHandle<ContextMenu>,
 742    agent_panel_menu_handle: PopoverMenuHandle<ContextMenu>,
 743    agent_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
 744    agent_navigation_menu: Option<Entity<ContextMenu>>,
 745    _extension_subscription: Option<Subscription>,
 746    _project_subscription: Subscription,
 747    zoomed: bool,
 748    pending_serialization: Option<Task<Result<()>>>,
 749    onboarding: Entity<AgentPanelOnboarding>,
 750    selected_agent_type: AgentType,
 751    start_thread_in: StartThreadIn,
 752    worktree_creation_status: Option<WorktreeCreationStatus>,
 753    _thread_view_subscription: Option<Subscription>,
 754    _active_thread_focus_subscription: Option<Subscription>,
 755    _worktree_creation_task: Option<Task<()>>,
 756    show_trust_workspace_message: bool,
 757    last_configuration_error_telemetry: Option<String>,
 758    on_boarding_upsell_dismissed: AtomicBool,
 759    _active_view_observation: Option<Subscription>,
 760}
 761
 762impl AgentPanel {
 763    fn serialize(&mut self, cx: &mut App) {
 764        let Some(workspace_id) = self.workspace_id else {
 765            return;
 766        };
 767
 768        let selected_agent_type = self.selected_agent_type.clone();
 769        let start_thread_in = Some(self.start_thread_in);
 770
 771        let last_active_thread = self.active_agent_thread(cx).map(|thread| {
 772            let thread = thread.read(cx);
 773            let title = thread.title();
 774            let work_dirs = thread.work_dirs().cloned();
 775            SerializedActiveThread {
 776                session_id: thread.session_id().0.to_string(),
 777                agent_type: self.selected_agent_type.clone(),
 778                title: title.map(|t| t.to_string()),
 779                work_dirs: work_dirs.map(|dirs| dirs.serialize()),
 780            }
 781        });
 782
 783        let kvp = KeyValueStore::global(cx);
 784        self.pending_serialization = Some(cx.background_spawn(async move {
 785            save_serialized_panel(
 786                workspace_id,
 787                SerializedAgentPanel {
 788                    selected_agent: Some(selected_agent_type),
 789                    last_active_thread,
 790                    start_thread_in,
 791                },
 792                kvp,
 793            )
 794            .await?;
 795            anyhow::Ok(())
 796        }));
 797    }
 798
 799    pub fn load(
 800        workspace: WeakEntity<Workspace>,
 801        prompt_builder: Arc<PromptBuilder>,
 802        mut cx: AsyncWindowContext,
 803    ) -> Task<Result<Entity<Self>>> {
 804        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 805        let kvp = cx.update(|_window, cx| KeyValueStore::global(cx)).ok();
 806        cx.spawn(async move |cx| {
 807            let prompt_store = match prompt_store {
 808                Ok(prompt_store) => prompt_store.await.ok(),
 809                Err(_) => None,
 810            };
 811            let workspace_id = workspace
 812                .read_with(cx, |workspace, _| workspace.database_id())
 813                .ok()
 814                .flatten();
 815
 816            let serialized_panel = cx
 817                .background_spawn(async move {
 818                    kvp.and_then(|kvp| {
 819                        workspace_id
 820                            .and_then(|id| read_serialized_panel(id, &kvp))
 821                            .or_else(|| read_legacy_serialized_panel(&kvp))
 822                    })
 823                })
 824                .await;
 825
 826            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 827            let text_thread_store = workspace
 828                .update(cx, |workspace, cx| {
 829                    let project = workspace.project().clone();
 830                    assistant_text_thread::TextThreadStore::new(
 831                        project,
 832                        prompt_builder,
 833                        slash_commands,
 834                        cx,
 835                    )
 836                })?
 837                .await?;
 838
 839            let last_active_thread = if let Some(thread_info) = serialized_panel
 840                .as_ref()
 841                .and_then(|p| p.last_active_thread.as_ref())
 842            {
 843                if thread_info.agent_type.is_native() {
 844                    let session_id = acp::SessionId::new(thread_info.session_id.clone());
 845                    let load_result = cx.update(|_window, cx| {
 846                        let thread_store = ThreadStore::global(cx);
 847                        thread_store.update(cx, |store, cx| store.load_thread(session_id, cx))
 848                    });
 849                    let thread_exists = if let Ok(task) = load_result {
 850                        task.await.ok().flatten().is_some()
 851                    } else {
 852                        false
 853                    };
 854                    if thread_exists {
 855                        Some(thread_info)
 856                    } else {
 857                        log::warn!(
 858                            "last active thread {} not found in database, skipping restoration",
 859                            thread_info.session_id
 860                        );
 861                        None
 862                    }
 863                } else {
 864                    Some(thread_info)
 865                }
 866            } else {
 867                None
 868            };
 869
 870            let panel = workspace.update_in(cx, |workspace, window, cx| {
 871                let panel =
 872                    cx.new(|cx| Self::new(workspace, text_thread_store, prompt_store, window, cx));
 873
 874                if let Some(serialized_panel) = &serialized_panel {
 875                    panel.update(cx, |panel, cx| {
 876                        if let Some(selected_agent) = serialized_panel.selected_agent.clone() {
 877                            panel.selected_agent_type = selected_agent;
 878                        }
 879                        if let Some(start_thread_in) = serialized_panel.start_thread_in {
 880                            let is_worktree_flag_enabled =
 881                                cx.has_flag::<AgentV2FeatureFlag>();
 882                            let is_valid = match &start_thread_in {
 883                                StartThreadIn::LocalProject => true,
 884                                StartThreadIn::NewWorktree => {
 885                                    let project = panel.project.read(cx);
 886                                    is_worktree_flag_enabled && !project.is_via_collab()
 887                                }
 888                            };
 889                            if is_valid {
 890                                panel.start_thread_in = start_thread_in;
 891                            } else {
 892                                log::info!(
 893                                    "deserialized start_thread_in {:?} is no longer valid, falling back to LocalProject",
 894                                    start_thread_in,
 895                                );
 896                            }
 897                        }
 898                        cx.notify();
 899                    });
 900                }
 901
 902                if let Some(thread_info) = last_active_thread {
 903                    let agent_type = thread_info.agent_type.clone();
 904                    panel.update(cx, |panel, cx| {
 905                        panel.selected_agent_type = agent_type;
 906                        if let Some(agent) = panel.selected_agent() {
 907                            panel.load_agent_thread(
 908                                agent,
 909                                thread_info.session_id.clone().into(),
 910                                thread_info.work_dirs.as_ref().map(|dirs| PathList::deserialize(dirs)),
 911                                thread_info.title.as_ref().map(|t| t.clone().into()),
 912                                false,
 913                                window,
 914                                cx,
 915                            );
 916                        }
 917                    });
 918                }
 919                panel
 920            })?;
 921
 922            Ok(panel)
 923        })
 924    }
 925
 926    pub(crate) fn new(
 927        workspace: &Workspace,
 928        text_thread_store: Entity<assistant_text_thread::TextThreadStore>,
 929        prompt_store: Option<Entity<PromptStore>>,
 930        window: &mut Window,
 931        cx: &mut Context<Self>,
 932    ) -> Self {
 933        let fs = workspace.app_state().fs.clone();
 934        let user_store = workspace.app_state().user_store.clone();
 935        let project = workspace.project();
 936        let language_registry = project.read(cx).languages().clone();
 937        let client = workspace.client().clone();
 938        let workspace_id = workspace.database_id();
 939        let workspace = workspace.weak_handle();
 940
 941        let context_server_registry =
 942            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
 943
 944        let thread_store = ThreadStore::global(cx);
 945        let text_thread_history =
 946            cx.new(|cx| TextThreadHistory::new(text_thread_store.clone(), window, cx));
 947
 948        cx.subscribe_in(
 949            &text_thread_history,
 950            window,
 951            |this, _, event, window, cx| match event {
 952                TextThreadHistoryEvent::Open(thread) => {
 953                    this.open_saved_text_thread(thread.path.clone(), window, cx)
 954                        .detach_and_log_err(cx);
 955                }
 956            },
 957        )
 958        .detach();
 959
 960        let active_view = ActiveView::Uninitialized;
 961
 962        let weak_panel = cx.entity().downgrade();
 963
 964        window.defer(cx, move |window, cx| {
 965            let panel = weak_panel.clone();
 966            let agent_navigation_menu =
 967                ContextMenu::build_persistent(window, cx, move |mut menu, window, cx| {
 968                    if let Some(panel) = panel.upgrade() {
 969                        if let Some(history) = panel
 970                            .update(cx, |panel, cx| panel.history_for_selected_agent(window, cx))
 971                        {
 972                            let view_all_label = match history {
 973                                History::AgentThreads { .. } => "View All",
 974                                History::TextThreads => "View All Text Threads",
 975                            };
 976                            menu = Self::populate_recently_updated_menu_section(
 977                                menu, panel, history, cx,
 978                            );
 979                            menu = menu.action(view_all_label, Box::new(OpenHistory));
 980                        }
 981                    }
 982
 983                    menu = menu
 984                        .fixed_width(px(320.).into())
 985                        .keep_open_on_confirm(false)
 986                        .key_context("NavigationMenu");
 987
 988                    menu
 989                });
 990            weak_panel
 991                .update(cx, |panel, cx| {
 992                    cx.subscribe_in(
 993                        &agent_navigation_menu,
 994                        window,
 995                        |_, menu, _: &DismissEvent, window, cx| {
 996                            menu.update(cx, |menu, _| {
 997                                menu.clear_selected();
 998                            });
 999                            cx.focus_self(window);
1000                        },
1001                    )
1002                    .detach();
1003                    panel.agent_navigation_menu = Some(agent_navigation_menu);
1004                })
1005                .ok();
1006        });
1007
1008        let weak_panel = cx.entity().downgrade();
1009        let onboarding = cx.new(|cx| {
1010            AgentPanelOnboarding::new(
1011                user_store.clone(),
1012                client,
1013                move |_window, cx| {
1014                    weak_panel
1015                        .update(cx, |panel, _| {
1016                            panel
1017                                .on_boarding_upsell_dismissed
1018                                .store(true, Ordering::Release);
1019                        })
1020                        .ok();
1021                    OnboardingUpsell::set_dismissed(true, cx);
1022                },
1023                cx,
1024            )
1025        });
1026
1027        // Subscribe to extension events to sync agent servers when extensions change
1028        let extension_subscription = if let Some(extension_events) = ExtensionEvents::try_global(cx)
1029        {
1030            Some(
1031                cx.subscribe(&extension_events, |this, _source, event, cx| match event {
1032                    extension::Event::ExtensionInstalled(_)
1033                    | extension::Event::ExtensionUninstalled(_)
1034                    | extension::Event::ExtensionsInstalledChanged => {
1035                        this.sync_agent_servers_from_extensions(cx);
1036                    }
1037                    _ => {}
1038                }),
1039            )
1040        } else {
1041            None
1042        };
1043
1044        let connection_store = cx.new(|cx| {
1045            let mut store = AgentConnectionStore::new(project.clone(), cx);
1046            // Register the native agent right away, so that it is available for
1047            // the inline assistant etc.
1048            store.request_connection(
1049                Agent::NativeAgent,
1050                Agent::NativeAgent.server(fs.clone(), thread_store.clone()),
1051                cx,
1052            );
1053            store
1054        });
1055        let _project_subscription =
1056            cx.subscribe(&project, |this, _project, event, cx| match event {
1057                project::Event::WorktreeAdded(_)
1058                | project::Event::WorktreeRemoved(_)
1059                | project::Event::WorktreeOrderChanged => {
1060                    this.update_thread_work_dirs(cx);
1061                }
1062                _ => {}
1063            });
1064
1065        let mut panel = Self {
1066            workspace_id,
1067            active_view,
1068            workspace,
1069            user_store,
1070            project: project.clone(),
1071            fs: fs.clone(),
1072            language_registry,
1073            text_thread_store,
1074            prompt_store,
1075            connection_store,
1076            configuration: None,
1077            configuration_subscription: None,
1078            focus_handle: cx.focus_handle(),
1079            context_server_registry,
1080            previous_view: None,
1081            background_threads: HashMap::default(),
1082            new_thread_menu_handle: PopoverMenuHandle::default(),
1083            start_thread_in_menu_handle: PopoverMenuHandle::default(),
1084            agent_panel_menu_handle: PopoverMenuHandle::default(),
1085            agent_navigation_menu_handle: PopoverMenuHandle::default(),
1086            agent_navigation_menu: None,
1087            _extension_subscription: extension_subscription,
1088            _project_subscription,
1089            zoomed: false,
1090            pending_serialization: None,
1091            onboarding,
1092            text_thread_history,
1093            thread_store,
1094            selected_agent_type: AgentType::default(),
1095            start_thread_in: StartThreadIn::default(),
1096            worktree_creation_status: None,
1097            _thread_view_subscription: None,
1098            _active_thread_focus_subscription: None,
1099            _worktree_creation_task: None,
1100            show_trust_workspace_message: false,
1101            last_configuration_error_telemetry: None,
1102            on_boarding_upsell_dismissed: AtomicBool::new(OnboardingUpsell::dismissed(cx)),
1103            _active_view_observation: None,
1104        };
1105
1106        // Initial sync of agent servers from extensions
1107        panel.sync_agent_servers_from_extensions(cx);
1108        panel
1109    }
1110
1111    pub fn toggle_focus(
1112        workspace: &mut Workspace,
1113        _: &ToggleFocus,
1114        window: &mut Window,
1115        cx: &mut Context<Workspace>,
1116    ) {
1117        if workspace
1118            .panel::<Self>(cx)
1119            .is_some_and(|panel| panel.read(cx).enabled(cx))
1120        {
1121            workspace.toggle_panel_focus::<Self>(window, cx);
1122        }
1123    }
1124
1125    pub fn toggle(
1126        workspace: &mut Workspace,
1127        _: &Toggle,
1128        window: &mut Window,
1129        cx: &mut Context<Workspace>,
1130    ) {
1131        if workspace
1132            .panel::<Self>(cx)
1133            .is_some_and(|panel| panel.read(cx).enabled(cx))
1134        {
1135            if !workspace.toggle_panel_focus::<Self>(window, cx) {
1136                workspace.close_panel::<Self>(window, cx);
1137            }
1138        }
1139    }
1140
1141    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
1142        &self.prompt_store
1143    }
1144
1145    pub fn thread_store(&self) -> &Entity<ThreadStore> {
1146        &self.thread_store
1147    }
1148
1149    pub fn connection_store(&self) -> &Entity<AgentConnectionStore> {
1150        &self.connection_store
1151    }
1152
1153    pub fn open_thread(
1154        &mut self,
1155        session_id: acp::SessionId,
1156        work_dirs: Option<PathList>,
1157        title: Option<SharedString>,
1158        window: &mut Window,
1159        cx: &mut Context<Self>,
1160    ) {
1161        self.external_thread(
1162            Some(crate::Agent::NativeAgent),
1163            Some(session_id),
1164            work_dirs,
1165            title,
1166            None,
1167            true,
1168            window,
1169            cx,
1170        );
1171    }
1172
1173    pub(crate) fn context_server_registry(&self) -> &Entity<ContextServerRegistry> {
1174        &self.context_server_registry
1175    }
1176
1177    pub fn is_visible(workspace: &Entity<Workspace>, cx: &App) -> bool {
1178        let workspace_read = workspace.read(cx);
1179
1180        workspace_read
1181            .panel::<AgentPanel>(cx)
1182            .map(|panel| {
1183                let panel_id = Entity::entity_id(&panel);
1184
1185                workspace_read.all_docks().iter().any(|dock| {
1186                    dock.read(cx)
1187                        .visible_panel()
1188                        .is_some_and(|visible_panel| visible_panel.panel_id() == panel_id)
1189                })
1190            })
1191            .unwrap_or(false)
1192    }
1193
1194    pub fn new_thread(&mut self, _action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
1195        self.reset_start_thread_in_to_default(cx);
1196        self.external_thread(None, None, None, None, None, true, window, cx);
1197    }
1198
1199    fn new_native_agent_thread_from_summary(
1200        &mut self,
1201        action: &NewNativeAgentThreadFromSummary,
1202        window: &mut Window,
1203        cx: &mut Context<Self>,
1204    ) {
1205        let session_id = action.from_session_id.clone();
1206
1207        let Some(history) = self
1208            .connection_store
1209            .read(cx)
1210            .entry(&Agent::NativeAgent)
1211            .and_then(|e| e.read(cx).history().cloned())
1212        else {
1213            debug_panic!("Native agent is not registered");
1214            return;
1215        };
1216
1217        cx.spawn_in(window, async move |this, cx| {
1218            this.update_in(cx, |this, window, cx| {
1219                let thread = history
1220                    .read(cx)
1221                    .session_for_id(&session_id)
1222                    .context("Session not found")?;
1223
1224                this.external_thread(
1225                    Some(Agent::NativeAgent),
1226                    None,
1227                    None,
1228                    None,
1229                    Some(AgentInitialContent::ThreadSummary {
1230                        session_id: thread.session_id,
1231                        title: thread.title,
1232                    }),
1233                    true,
1234                    window,
1235                    cx,
1236                );
1237                anyhow::Ok(())
1238            })
1239        })
1240        .detach_and_log_err(cx);
1241    }
1242
1243    fn new_text_thread(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1244        telemetry::event!("Agent Thread Started", agent = "zed-text");
1245
1246        let context = self
1247            .text_thread_store
1248            .update(cx, |context_store, cx| context_store.create(cx));
1249        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
1250            .log_err()
1251            .flatten();
1252
1253        let text_thread_editor = cx.new(|cx| {
1254            let mut editor = TextThreadEditor::for_text_thread(
1255                context,
1256                self.fs.clone(),
1257                self.workspace.clone(),
1258                self.project.clone(),
1259                lsp_adapter_delegate,
1260                window,
1261                cx,
1262            );
1263            editor.insert_default_prompt(window, cx);
1264            editor
1265        });
1266
1267        if self.selected_agent_type != AgentType::TextThread {
1268            self.selected_agent_type = AgentType::TextThread;
1269            self.serialize(cx);
1270        }
1271
1272        self.set_active_view(
1273            ActiveView::text_thread(
1274                text_thread_editor.clone(),
1275                self.language_registry.clone(),
1276                window,
1277                cx,
1278            ),
1279            true,
1280            window,
1281            cx,
1282        );
1283        text_thread_editor.focus_handle(cx).focus(window, cx);
1284    }
1285
1286    fn external_thread(
1287        &mut self,
1288        agent_choice: Option<crate::Agent>,
1289        resume_session_id: Option<acp::SessionId>,
1290        work_dirs: Option<PathList>,
1291        title: Option<SharedString>,
1292        initial_content: Option<AgentInitialContent>,
1293        focus: bool,
1294        window: &mut Window,
1295        cx: &mut Context<Self>,
1296    ) {
1297        let workspace = self.workspace.clone();
1298        let project = self.project.clone();
1299        let fs = self.fs.clone();
1300        let is_via_collab = self.project.read(cx).is_via_collab();
1301
1302        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
1303
1304        #[derive(Serialize, Deserialize)]
1305        struct LastUsedExternalAgent {
1306            agent: crate::Agent,
1307        }
1308
1309        let thread_store = self.thread_store.clone();
1310        let kvp = KeyValueStore::global(cx);
1311
1312        if let Some(agent) = agent_choice {
1313            cx.background_spawn({
1314                let agent = agent.clone();
1315                let kvp = kvp;
1316                async move {
1317                    if let Some(serialized) =
1318                        serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
1319                    {
1320                        kvp.write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
1321                            .await
1322                            .log_err();
1323                    }
1324                }
1325            })
1326            .detach();
1327
1328            let server = agent.server(fs, thread_store);
1329            self.create_agent_thread(
1330                server,
1331                resume_session_id,
1332                work_dirs,
1333                title,
1334                initial_content,
1335                workspace,
1336                project,
1337                agent,
1338                focus,
1339                window,
1340                cx,
1341            );
1342        } else {
1343            cx.spawn_in(window, async move |this, cx| {
1344                let ext_agent = if is_via_collab {
1345                    Agent::NativeAgent
1346                } else {
1347                    cx.background_spawn(async move { kvp.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY) })
1348                        .await
1349                        .log_err()
1350                        .flatten()
1351                        .and_then(|value| {
1352                            serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
1353                        })
1354                        .map(|agent| agent.agent)
1355                        .unwrap_or(Agent::NativeAgent)
1356                };
1357
1358                let server = ext_agent.server(fs, thread_store);
1359                this.update_in(cx, |agent_panel, window, cx| {
1360                    agent_panel.create_agent_thread(
1361                        server,
1362                        resume_session_id,
1363                        work_dirs,
1364                        title,
1365                        initial_content,
1366                        workspace,
1367                        project,
1368                        ext_agent,
1369                        focus,
1370                        window,
1371                        cx,
1372                    );
1373                })?;
1374
1375                anyhow::Ok(())
1376            })
1377            .detach_and_log_err(cx);
1378        }
1379    }
1380
1381    fn deploy_rules_library(
1382        &mut self,
1383        action: &OpenRulesLibrary,
1384        _window: &mut Window,
1385        cx: &mut Context<Self>,
1386    ) {
1387        open_rules_library(
1388            self.language_registry.clone(),
1389            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
1390            Rc::new(|| {
1391                Rc::new(SlashCommandCompletionProvider::new(
1392                    Arc::new(SlashCommandWorkingSet::default()),
1393                    None,
1394                    None,
1395                ))
1396            }),
1397            action
1398                .prompt_to_select
1399                .map(|uuid| UserPromptId(uuid).into()),
1400            cx,
1401        )
1402        .detach_and_log_err(cx);
1403    }
1404
1405    fn expand_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1406        let Some(conversation_view) = self.active_conversation_view() else {
1407            return;
1408        };
1409
1410        let Some(active_thread) = conversation_view.read(cx).active_thread().cloned() else {
1411            return;
1412        };
1413
1414        active_thread.update(cx, |active_thread, cx| {
1415            active_thread.expand_message_editor(&ExpandMessageEditor, window, cx);
1416            active_thread.focus_handle(cx).focus(window, cx);
1417        })
1418    }
1419
1420    fn has_history_for_selected_agent(&self, cx: &App) -> bool {
1421        match &self.selected_agent_type {
1422            AgentType::TextThread | AgentType::NativeAgent => true,
1423            AgentType::Custom { id } => {
1424                let agent = Agent::Custom { id: id.clone() };
1425                self.connection_store
1426                    .read(cx)
1427                    .entry(&agent)
1428                    .map_or(false, |entry| entry.read(cx).history().is_some())
1429            }
1430        }
1431    }
1432
1433    fn history_for_selected_agent(
1434        &self,
1435        window: &mut Window,
1436        cx: &mut Context<Self>,
1437    ) -> Option<History> {
1438        match &self.selected_agent_type {
1439            AgentType::TextThread => Some(History::TextThreads),
1440            AgentType::NativeAgent => {
1441                let history = self
1442                    .connection_store
1443                    .read(cx)
1444                    .entry(&Agent::NativeAgent)?
1445                    .read(cx)
1446                    .history()?
1447                    .clone();
1448
1449                Some(History::AgentThreads {
1450                    view: self.create_thread_history_view(Agent::NativeAgent, history, window, cx),
1451                })
1452            }
1453            AgentType::Custom { id, .. } => {
1454                let agent = Agent::Custom { id: id.clone() };
1455                let history = self
1456                    .connection_store
1457                    .read(cx)
1458                    .entry(&agent)?
1459                    .read(cx)
1460                    .history()?
1461                    .clone();
1462                Some(History::AgentThreads {
1463                    view: self.create_thread_history_view(agent, history, window, cx),
1464                })
1465            }
1466        }
1467    }
1468
1469    fn create_thread_history_view(
1470        &self,
1471        agent: Agent,
1472        history: Entity<ThreadHistory>,
1473        window: &mut Window,
1474        cx: &mut Context<Self>,
1475    ) -> Entity<ThreadHistoryView> {
1476        let view = cx.new(|cx| ThreadHistoryView::new(history.clone(), window, cx));
1477        cx.subscribe_in(
1478            &view,
1479            window,
1480            move |this, _, event, window, cx| match event {
1481                ThreadHistoryViewEvent::Open(thread) => {
1482                    this.load_agent_thread(
1483                        agent.clone(),
1484                        thread.session_id.clone(),
1485                        thread.work_dirs.clone(),
1486                        thread.title.clone(),
1487                        true,
1488                        window,
1489                        cx,
1490                    );
1491                }
1492            },
1493        )
1494        .detach();
1495        view
1496    }
1497
1498    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1499        let Some(history) = self.history_for_selected_agent(window, cx) else {
1500            return;
1501        };
1502
1503        if let ActiveView::History {
1504            history: active_history,
1505        } = &self.active_view
1506        {
1507            if active_history == &history {
1508                if let Some(previous_view) = self.previous_view.take() {
1509                    self.set_active_view(previous_view, true, window, cx);
1510                }
1511                return;
1512            }
1513        }
1514
1515        self.set_active_view(ActiveView::History { history }, true, window, cx);
1516        cx.notify();
1517    }
1518
1519    pub(crate) fn open_saved_text_thread(
1520        &mut self,
1521        path: Arc<Path>,
1522        window: &mut Window,
1523        cx: &mut Context<Self>,
1524    ) -> Task<Result<()>> {
1525        let text_thread_task = self
1526            .text_thread_store
1527            .update(cx, |store, cx| store.open_local(path, cx));
1528        cx.spawn_in(window, async move |this, cx| {
1529            let text_thread = text_thread_task.await?;
1530            this.update_in(cx, |this, window, cx| {
1531                this.open_text_thread(text_thread, window, cx);
1532            })
1533        })
1534    }
1535
1536    pub(crate) fn open_text_thread(
1537        &mut self,
1538        text_thread: Entity<TextThread>,
1539        window: &mut Window,
1540        cx: &mut Context<Self>,
1541    ) {
1542        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
1543            .log_err()
1544            .flatten();
1545        let editor = cx.new(|cx| {
1546            TextThreadEditor::for_text_thread(
1547                text_thread,
1548                self.fs.clone(),
1549                self.workspace.clone(),
1550                self.project.clone(),
1551                lsp_adapter_delegate,
1552                window,
1553                cx,
1554            )
1555        });
1556
1557        if self.selected_agent_type != AgentType::TextThread {
1558            self.selected_agent_type = AgentType::TextThread;
1559            self.serialize(cx);
1560        }
1561
1562        self.set_active_view(
1563            ActiveView::text_thread(editor, self.language_registry.clone(), window, cx),
1564            true,
1565            window,
1566            cx,
1567        );
1568    }
1569
1570    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1571        match self.active_view {
1572            ActiveView::Configuration | ActiveView::History { .. } => {
1573                if let Some(previous_view) = self.previous_view.take() {
1574                    self.set_active_view(previous_view, true, window, cx);
1575                }
1576                cx.notify();
1577            }
1578            _ => {}
1579        }
1580    }
1581
1582    pub fn toggle_navigation_menu(
1583        &mut self,
1584        _: &ToggleNavigationMenu,
1585        window: &mut Window,
1586        cx: &mut Context<Self>,
1587    ) {
1588        if !self.has_history_for_selected_agent(cx) {
1589            return;
1590        }
1591        self.agent_navigation_menu_handle.toggle(window, cx);
1592    }
1593
1594    pub fn toggle_options_menu(
1595        &mut self,
1596        _: &ToggleOptionsMenu,
1597        window: &mut Window,
1598        cx: &mut Context<Self>,
1599    ) {
1600        self.agent_panel_menu_handle.toggle(window, cx);
1601    }
1602
1603    pub fn toggle_new_thread_menu(
1604        &mut self,
1605        _: &ToggleNewThreadMenu,
1606        window: &mut Window,
1607        cx: &mut Context<Self>,
1608    ) {
1609        self.new_thread_menu_handle.toggle(window, cx);
1610    }
1611
1612    pub fn increase_font_size(
1613        &mut self,
1614        action: &IncreaseBufferFontSize,
1615        _: &mut Window,
1616        cx: &mut Context<Self>,
1617    ) {
1618        self.handle_font_size_action(action.persist, px(1.0), cx);
1619    }
1620
1621    pub fn decrease_font_size(
1622        &mut self,
1623        action: &DecreaseBufferFontSize,
1624        _: &mut Window,
1625        cx: &mut Context<Self>,
1626    ) {
1627        self.handle_font_size_action(action.persist, px(-1.0), cx);
1628    }
1629
1630    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1631        match self.active_view.which_font_size_used() {
1632            WhichFontSize::AgentFont => {
1633                if persist {
1634                    update_settings_file(self.fs.clone(), cx, move |settings, cx| {
1635                        let agent_ui_font_size =
1636                            ThemeSettings::get_global(cx).agent_ui_font_size(cx) + delta;
1637                        let agent_buffer_font_size =
1638                            ThemeSettings::get_global(cx).agent_buffer_font_size(cx) + delta;
1639
1640                        let _ = settings.theme.agent_ui_font_size.insert(
1641                            f32::from(theme_settings::clamp_font_size(agent_ui_font_size)).into(),
1642                        );
1643                        let _ = settings.theme.agent_buffer_font_size.insert(
1644                            f32::from(theme_settings::clamp_font_size(agent_buffer_font_size))
1645                                .into(),
1646                        );
1647                    });
1648                } else {
1649                    theme_settings::adjust_agent_ui_font_size(cx, |size| size + delta);
1650                    theme_settings::adjust_agent_buffer_font_size(cx, |size| size + delta);
1651                }
1652            }
1653            WhichFontSize::BufferFont => {
1654                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1655                // default handler that changes that font size.
1656                cx.propagate();
1657            }
1658            WhichFontSize::None => {}
1659        }
1660    }
1661
1662    pub fn reset_font_size(
1663        &mut self,
1664        action: &ResetBufferFontSize,
1665        _: &mut Window,
1666        cx: &mut Context<Self>,
1667    ) {
1668        if action.persist {
1669            update_settings_file(self.fs.clone(), cx, move |settings, _| {
1670                settings.theme.agent_ui_font_size = None;
1671                settings.theme.agent_buffer_font_size = None;
1672            });
1673        } else {
1674            theme_settings::reset_agent_ui_font_size(cx);
1675            theme_settings::reset_agent_buffer_font_size(cx);
1676        }
1677    }
1678
1679    pub fn reset_agent_zoom(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
1680        theme_settings::reset_agent_ui_font_size(cx);
1681        theme_settings::reset_agent_buffer_font_size(cx);
1682    }
1683
1684    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1685        if self.zoomed {
1686            cx.emit(PanelEvent::ZoomOut);
1687        } else {
1688            if !self.focus_handle(cx).contains_focused(window, cx) {
1689                cx.focus_self(window);
1690            }
1691            cx.emit(PanelEvent::ZoomIn);
1692        }
1693    }
1694
1695    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1696        let agent_server_store = self.project.read(cx).agent_server_store().clone();
1697        let context_server_store = self.project.read(cx).context_server_store();
1698        let fs = self.fs.clone();
1699
1700        self.set_active_view(ActiveView::Configuration, true, window, cx);
1701        self.configuration = Some(cx.new(|cx| {
1702            AgentConfiguration::new(
1703                fs,
1704                agent_server_store,
1705                self.connection_store.clone(),
1706                context_server_store,
1707                self.context_server_registry.clone(),
1708                self.language_registry.clone(),
1709                self.workspace.clone(),
1710                window,
1711                cx,
1712            )
1713        }));
1714
1715        if let Some(configuration) = self.configuration.as_ref() {
1716            self.configuration_subscription = Some(cx.subscribe_in(
1717                configuration,
1718                window,
1719                Self::handle_agent_configuration_event,
1720            ));
1721
1722            configuration.focus_handle(cx).focus(window, cx);
1723        }
1724    }
1725
1726    pub(crate) fn open_active_thread_as_markdown(
1727        &mut self,
1728        _: &OpenActiveThreadAsMarkdown,
1729        window: &mut Window,
1730        cx: &mut Context<Self>,
1731    ) {
1732        if let Some(workspace) = self.workspace.upgrade()
1733            && let Some(conversation_view) = self.active_conversation_view()
1734            && let Some(active_thread) = conversation_view.read(cx).active_thread().cloned()
1735        {
1736            active_thread.update(cx, |thread, cx| {
1737                thread
1738                    .open_thread_as_markdown(workspace, window, cx)
1739                    .detach_and_log_err(cx);
1740            });
1741        }
1742    }
1743
1744    fn copy_thread_to_clipboard(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1745        let Some(thread) = self.active_native_agent_thread(cx) else {
1746            Self::show_deferred_toast(&self.workspace, "No active native thread to copy", cx);
1747            return;
1748        };
1749
1750        let workspace = self.workspace.clone();
1751        let load_task = thread.read(cx).to_db(cx);
1752
1753        cx.spawn_in(window, async move |_this, cx| {
1754            let db_thread = load_task.await;
1755            let shared_thread = SharedThread::from_db_thread(&db_thread);
1756            let thread_data = shared_thread.to_bytes()?;
1757            let encoded = base64::Engine::encode(&base64::prelude::BASE64_STANDARD, &thread_data);
1758
1759            cx.update(|_window, cx| {
1760                cx.write_to_clipboard(ClipboardItem::new_string(encoded));
1761                if let Some(workspace) = workspace.upgrade() {
1762                    workspace.update(cx, |workspace, cx| {
1763                        struct ThreadCopiedToast;
1764                        workspace.show_toast(
1765                            workspace::Toast::new(
1766                                workspace::notifications::NotificationId::unique::<ThreadCopiedToast>(),
1767                                "Thread copied to clipboard (base64 encoded)",
1768                            )
1769                            .autohide(),
1770                            cx,
1771                        );
1772                    });
1773                }
1774            })?;
1775
1776            anyhow::Ok(())
1777        })
1778        .detach_and_log_err(cx);
1779    }
1780
1781    fn show_deferred_toast(
1782        workspace: &WeakEntity<workspace::Workspace>,
1783        message: &'static str,
1784        cx: &mut App,
1785    ) {
1786        let workspace = workspace.clone();
1787        cx.defer(move |cx| {
1788            if let Some(workspace) = workspace.upgrade() {
1789                workspace.update(cx, |workspace, cx| {
1790                    struct ClipboardToast;
1791                    workspace.show_toast(
1792                        workspace::Toast::new(
1793                            workspace::notifications::NotificationId::unique::<ClipboardToast>(),
1794                            message,
1795                        )
1796                        .autohide(),
1797                        cx,
1798                    );
1799                });
1800            }
1801        });
1802    }
1803
1804    fn load_thread_from_clipboard(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1805        let Some(clipboard) = cx.read_from_clipboard() else {
1806            Self::show_deferred_toast(&self.workspace, "No clipboard content available", cx);
1807            return;
1808        };
1809
1810        let Some(encoded) = clipboard.text() else {
1811            Self::show_deferred_toast(&self.workspace, "Clipboard does not contain text", cx);
1812            return;
1813        };
1814
1815        let thread_data = match base64::Engine::decode(&base64::prelude::BASE64_STANDARD, &encoded)
1816        {
1817            Ok(data) => data,
1818            Err(_) => {
1819                Self::show_deferred_toast(
1820                    &self.workspace,
1821                    "Failed to decode clipboard content (expected base64)",
1822                    cx,
1823                );
1824                return;
1825            }
1826        };
1827
1828        let shared_thread = match SharedThread::from_bytes(&thread_data) {
1829            Ok(thread) => thread,
1830            Err(_) => {
1831                Self::show_deferred_toast(
1832                    &self.workspace,
1833                    "Failed to parse thread data from clipboard",
1834                    cx,
1835                );
1836                return;
1837            }
1838        };
1839
1840        let db_thread = shared_thread.to_db_thread();
1841        let session_id = acp::SessionId::new(uuid::Uuid::new_v4().to_string());
1842        let thread_store = self.thread_store.clone();
1843        let title = db_thread.title.clone();
1844        let workspace = self.workspace.clone();
1845
1846        cx.spawn_in(window, async move |this, cx| {
1847            thread_store
1848                .update(&mut cx.clone(), |store, cx| {
1849                    store.save_thread(session_id.clone(), db_thread, Default::default(), cx)
1850                })
1851                .await?;
1852
1853            this.update_in(cx, |this, window, cx| {
1854                this.open_thread(session_id, None, Some(title), window, cx);
1855            })?;
1856
1857            this.update_in(cx, |_, _window, cx| {
1858                if let Some(workspace) = workspace.upgrade() {
1859                    workspace.update(cx, |workspace, cx| {
1860                        struct ThreadLoadedToast;
1861                        workspace.show_toast(
1862                            workspace::Toast::new(
1863                                workspace::notifications::NotificationId::unique::<ThreadLoadedToast>(),
1864                                "Thread loaded from clipboard",
1865                            )
1866                            .autohide(),
1867                            cx,
1868                        );
1869                    });
1870                }
1871            })?;
1872
1873            anyhow::Ok(())
1874        })
1875        .detach_and_log_err(cx);
1876    }
1877
1878    fn handle_agent_configuration_event(
1879        &mut self,
1880        _entity: &Entity<AgentConfiguration>,
1881        event: &AssistantConfigurationEvent,
1882        window: &mut Window,
1883        cx: &mut Context<Self>,
1884    ) {
1885        match event {
1886            AssistantConfigurationEvent::NewThread(provider) => {
1887                if LanguageModelRegistry::read_global(cx)
1888                    .default_model()
1889                    .is_none_or(|model| model.provider.id() != provider.id())
1890                    && let Some(model) = provider.default_model(cx)
1891                {
1892                    update_settings_file(self.fs.clone(), cx, move |settings, _| {
1893                        let provider = model.provider_id().0.to_string();
1894                        let enable_thinking = model.supports_thinking();
1895                        let effort = model
1896                            .default_effort_level()
1897                            .map(|effort| effort.value.to_string());
1898                        let model = model.id().0.to_string();
1899                        settings
1900                            .agent
1901                            .get_or_insert_default()
1902                            .set_model(LanguageModelSelection {
1903                                provider: LanguageModelProviderSetting(provider),
1904                                model,
1905                                enable_thinking,
1906                                effort,
1907                            })
1908                    });
1909                }
1910
1911                self.new_thread(&NewThread, window, cx);
1912                if let Some((thread, model)) = self
1913                    .active_native_agent_thread(cx)
1914                    .zip(provider.default_model(cx))
1915                {
1916                    thread.update(cx, |thread, cx| {
1917                        thread.set_model(model, cx);
1918                    });
1919                }
1920            }
1921        }
1922    }
1923
1924    pub fn workspace_id(&self) -> Option<WorkspaceId> {
1925        self.workspace_id
1926    }
1927
1928    pub fn background_threads(&self) -> &HashMap<acp::SessionId, Entity<ConversationView>> {
1929        &self.background_threads
1930    }
1931
1932    pub fn active_conversation_view(&self) -> Option<&Entity<ConversationView>> {
1933        match &self.active_view {
1934            ActiveView::AgentThread { conversation_view } => Some(conversation_view),
1935            _ => None,
1936        }
1937    }
1938
1939    pub fn active_thread_view(&self, cx: &App) -> Option<Entity<ThreadView>> {
1940        let server_view = self.active_conversation_view()?;
1941        server_view.read(cx).active_thread().cloned()
1942    }
1943
1944    pub fn active_agent_thread(&self, cx: &App) -> Option<Entity<AcpThread>> {
1945        match &self.active_view {
1946            ActiveView::AgentThread {
1947                conversation_view, ..
1948            } => conversation_view
1949                .read(cx)
1950                .active_thread()
1951                .map(|r| r.read(cx).thread.clone()),
1952            _ => None,
1953        }
1954    }
1955
1956    /// Returns the primary thread views for all retained connections: the
1957    pub fn is_background_thread(&self, session_id: &acp::SessionId) -> bool {
1958        self.background_threads.contains_key(session_id)
1959    }
1960
1961    pub fn cancel_thread(&self, session_id: &acp::SessionId, cx: &mut Context<Self>) -> bool {
1962        let conversation_views = self
1963            .active_conversation_view()
1964            .into_iter()
1965            .chain(self.background_threads.values());
1966
1967        for conversation_view in conversation_views {
1968            if let Some(thread_view) = conversation_view.read(cx).thread_view(session_id) {
1969                thread_view.update(cx, |view, cx| view.cancel_generation(cx));
1970                return true;
1971            }
1972        }
1973        false
1974    }
1975
1976    /// active thread plus any background threads that are still running or
1977    /// completed but unseen.
1978    pub fn parent_threads(&self, cx: &App) -> Vec<Entity<ThreadView>> {
1979        let mut views = Vec::new();
1980
1981        if let Some(server_view) = self.active_conversation_view() {
1982            if let Some(thread_view) = server_view.read(cx).root_thread(cx) {
1983                views.push(thread_view);
1984            }
1985        }
1986
1987        for server_view in self.background_threads.values() {
1988            if let Some(thread_view) = server_view.read(cx).root_thread(cx) {
1989                views.push(thread_view);
1990            }
1991        }
1992
1993        views
1994    }
1995
1996    fn update_thread_work_dirs(&self, cx: &mut Context<Self>) {
1997        let new_work_dirs = self.project.read(cx).default_path_list(cx);
1998
1999        if let Some(conversation_view) = self.active_conversation_view() {
2000            conversation_view.update(cx, |conversation_view, cx| {
2001                conversation_view.set_work_dirs(new_work_dirs.clone(), cx);
2002            });
2003        }
2004
2005        for conversation_view in self.background_threads.values() {
2006            conversation_view.update(cx, |conversation_view, cx| {
2007                conversation_view.set_work_dirs(new_work_dirs.clone(), cx);
2008            });
2009        }
2010    }
2011
2012    fn retain_running_thread(&mut self, old_view: ActiveView, cx: &mut Context<Self>) {
2013        let ActiveView::AgentThread { conversation_view } = old_view else {
2014            return;
2015        };
2016
2017        let Some(thread_view) = conversation_view.read(cx).root_thread(cx) else {
2018            return;
2019        };
2020
2021        self.background_threads
2022            .insert(thread_view.read(cx).id.clone(), conversation_view);
2023        self.cleanup_background_threads(cx);
2024    }
2025
2026    /// We keep threads that are:
2027    /// - Still running
2028    /// - Do not support reloading the full session
2029    /// - Have had the most recent events (up to 5 idle threads)
2030    fn cleanup_background_threads(&mut self, cx: &App) {
2031        let mut potential_removals = self
2032            .background_threads
2033            .iter()
2034            .filter(|(_id, view)| {
2035                let Some(thread_view) = view.read(cx).root_thread(cx) else {
2036                    return true;
2037                };
2038                let thread = thread_view.read(cx).thread.read(cx);
2039                thread.connection().supports_load_session() && thread.status() == ThreadStatus::Idle
2040            })
2041            .collect::<Vec<_>>();
2042
2043        const MAX_IDLE_BACKGROUND_THREADS: usize = 5;
2044
2045        potential_removals.sort_unstable_by_key(|(_, view)| view.read(cx).updated_at(cx));
2046        let n = potential_removals
2047            .len()
2048            .saturating_sub(MAX_IDLE_BACKGROUND_THREADS);
2049        let to_remove = potential_removals
2050            .into_iter()
2051            .map(|(id, _)| id.clone())
2052            .take(n)
2053            .collect::<Vec<_>>();
2054        for id in to_remove {
2055            self.background_threads.remove(&id);
2056        }
2057    }
2058
2059    pub(crate) fn active_native_agent_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
2060        match &self.active_view {
2061            ActiveView::AgentThread {
2062                conversation_view, ..
2063            } => conversation_view.read(cx).as_native_thread(cx),
2064            _ => None,
2065        }
2066    }
2067
2068    pub(crate) fn active_text_thread_editor(&self) -> Option<Entity<TextThreadEditor>> {
2069        match &self.active_view {
2070            ActiveView::TextThread {
2071                text_thread_editor, ..
2072            } => Some(text_thread_editor.clone()),
2073            _ => None,
2074        }
2075    }
2076
2077    fn set_active_view(
2078        &mut self,
2079        new_view: ActiveView,
2080        focus: bool,
2081        window: &mut Window,
2082        cx: &mut Context<Self>,
2083    ) {
2084        let was_in_agent_history = matches!(
2085            self.active_view,
2086            ActiveView::History {
2087                history: History::AgentThreads { .. }
2088            }
2089        );
2090        let current_is_uninitialized = matches!(self.active_view, ActiveView::Uninitialized);
2091        let current_is_history = matches!(self.active_view, ActiveView::History { .. });
2092        let new_is_history = matches!(new_view, ActiveView::History { .. });
2093
2094        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
2095        let new_is_config = matches!(new_view, ActiveView::Configuration);
2096
2097        let current_is_overlay = current_is_history || current_is_config;
2098        let new_is_overlay = new_is_history || new_is_config;
2099
2100        if current_is_uninitialized || (current_is_overlay && !new_is_overlay) {
2101            self.active_view = new_view;
2102        } else if !current_is_overlay && new_is_overlay {
2103            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
2104        } else {
2105            let old_view = std::mem::replace(&mut self.active_view, new_view);
2106            if !new_is_overlay {
2107                if let Some(previous) = self.previous_view.take() {
2108                    self.retain_running_thread(previous, cx);
2109                }
2110            }
2111            self.retain_running_thread(old_view, cx);
2112        }
2113
2114        // Subscribe to the active ThreadView's events (e.g. FirstSendRequested)
2115        // so the panel can intercept the first send for worktree creation.
2116        // Re-subscribe whenever the ConnectionView changes, since the inner
2117        // ThreadView may have been replaced (e.g. navigating between threads).
2118        self._active_view_observation = match &self.active_view {
2119            ActiveView::AgentThread { conversation_view } => {
2120                self._thread_view_subscription =
2121                    Self::subscribe_to_active_thread_view(conversation_view, window, cx);
2122                let focus_handle = conversation_view.focus_handle(cx);
2123                self._active_thread_focus_subscription =
2124                    Some(cx.on_focus_in(&focus_handle, window, |_this, _window, cx| {
2125                        cx.emit(AgentPanelEvent::ThreadFocused);
2126                        cx.notify();
2127                    }));
2128                Some(cx.observe_in(
2129                    conversation_view,
2130                    window,
2131                    |this, server_view, window, cx| {
2132                        this._thread_view_subscription =
2133                            Self::subscribe_to_active_thread_view(&server_view, window, cx);
2134                        cx.emit(AgentPanelEvent::ActiveViewChanged);
2135                        this.serialize(cx);
2136                        cx.notify();
2137                    },
2138                ))
2139            }
2140            _ => {
2141                self._thread_view_subscription = None;
2142                self._active_thread_focus_subscription = None;
2143                None
2144            }
2145        };
2146
2147        if let ActiveView::History { history } = &self.active_view {
2148            if !was_in_agent_history && let History::AgentThreads { view } = history {
2149                view.update(cx, |view, cx| {
2150                    view.history()
2151                        .update(cx, |history, cx| history.refresh_full_history(cx))
2152                });
2153            }
2154        }
2155
2156        if focus {
2157            self.focus_handle(cx).focus(window, cx);
2158        }
2159        cx.emit(AgentPanelEvent::ActiveViewChanged);
2160    }
2161
2162    fn populate_recently_updated_menu_section(
2163        mut menu: ContextMenu,
2164        panel: Entity<Self>,
2165        history: History,
2166        cx: &mut Context<ContextMenu>,
2167    ) -> ContextMenu {
2168        match history {
2169            History::AgentThreads { view } => {
2170                let entries = view
2171                    .read(cx)
2172                    .history()
2173                    .read(cx)
2174                    .sessions()
2175                    .iter()
2176                    .take(RECENTLY_UPDATED_MENU_LIMIT)
2177                    .cloned()
2178                    .collect::<Vec<_>>();
2179
2180                if entries.is_empty() {
2181                    return menu;
2182                }
2183
2184                menu = menu.header("Recently Updated");
2185
2186                for entry in entries {
2187                    let title = entry
2188                        .title
2189                        .as_ref()
2190                        .filter(|title| !title.is_empty())
2191                        .cloned()
2192                        .unwrap_or_else(|| SharedString::new_static(DEFAULT_THREAD_TITLE));
2193
2194                    menu = menu.entry(title, None, {
2195                        let panel = panel.downgrade();
2196                        let entry = entry.clone();
2197                        move |window, cx| {
2198                            let entry = entry.clone();
2199                            panel
2200                                .update(cx, move |this, cx| {
2201                                    if let Some(agent) = this.selected_agent() {
2202                                        this.load_agent_thread(
2203                                            agent,
2204                                            entry.session_id.clone(),
2205                                            entry.work_dirs.clone(),
2206                                            entry.title.clone(),
2207                                            true,
2208                                            window,
2209                                            cx,
2210                                        );
2211                                    }
2212                                })
2213                                .ok();
2214                        }
2215                    });
2216                }
2217            }
2218            History::TextThreads => {
2219                let entries = panel
2220                    .read(cx)
2221                    .text_thread_store
2222                    .read(cx)
2223                    .ordered_text_threads()
2224                    .take(RECENTLY_UPDATED_MENU_LIMIT)
2225                    .cloned()
2226                    .collect::<Vec<_>>();
2227
2228                if entries.is_empty() {
2229                    return menu;
2230                }
2231
2232                menu = menu.header("Recent Text Threads");
2233
2234                for entry in entries {
2235                    let title = if entry.title.is_empty() {
2236                        SharedString::new_static(DEFAULT_THREAD_TITLE)
2237                    } else {
2238                        entry.title.clone()
2239                    };
2240
2241                    menu = menu.entry(title, None, {
2242                        let panel = panel.downgrade();
2243                        let entry = entry.clone();
2244                        move |window, cx| {
2245                            let path = entry.path.clone();
2246                            panel
2247                                .update(cx, move |this, cx| {
2248                                    this.open_saved_text_thread(path.clone(), window, cx)
2249                                        .detach_and_log_err(cx);
2250                                })
2251                                .ok();
2252                        }
2253                    });
2254                }
2255            }
2256        }
2257
2258        menu.separator()
2259    }
2260
2261    fn subscribe_to_active_thread_view(
2262        server_view: &Entity<ConversationView>,
2263        window: &mut Window,
2264        cx: &mut Context<Self>,
2265    ) -> Option<Subscription> {
2266        server_view.read(cx).active_thread().cloned().map(|tv| {
2267            cx.subscribe_in(
2268                &tv,
2269                window,
2270                |this, view, event: &AcpThreadViewEvent, window, cx| match event {
2271                    AcpThreadViewEvent::FirstSendRequested { content } => {
2272                        this.handle_first_send_requested(view.clone(), content.clone(), window, cx);
2273                    }
2274                    AcpThreadViewEvent::MessageSentOrQueued => {
2275                        let session_id = view.read(cx).thread.read(cx).session_id().clone();
2276                        cx.emit(AgentPanelEvent::MessageSentOrQueued { session_id });
2277                    }
2278                },
2279            )
2280        })
2281    }
2282
2283    pub fn start_thread_in(&self) -> &StartThreadIn {
2284        &self.start_thread_in
2285    }
2286
2287    fn set_start_thread_in(
2288        &mut self,
2289        action: &StartThreadIn,
2290        window: &mut Window,
2291        cx: &mut Context<Self>,
2292    ) {
2293        if matches!(action, StartThreadIn::NewWorktree) && !cx.has_flag::<AgentV2FeatureFlag>() {
2294            return;
2295        }
2296
2297        let new_target = match *action {
2298            StartThreadIn::LocalProject => StartThreadIn::LocalProject,
2299            StartThreadIn::NewWorktree => {
2300                if !self.project_has_git_repository(cx) {
2301                    log::error!(
2302                        "set_start_thread_in: cannot use NewWorktree without a git repository"
2303                    );
2304                    return;
2305                }
2306                if self.project.read(cx).is_via_collab() {
2307                    log::error!("set_start_thread_in: cannot use NewWorktree in a collab project");
2308                    return;
2309                }
2310                StartThreadIn::NewWorktree
2311            }
2312        };
2313        self.start_thread_in = new_target;
2314        if let Some(thread) = self.active_thread_view(cx) {
2315            thread.update(cx, |thread, cx| thread.focus_handle(cx).focus(window, cx));
2316        }
2317        self.serialize(cx);
2318        cx.notify();
2319    }
2320
2321    fn cycle_start_thread_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2322        let next = match self.start_thread_in {
2323            StartThreadIn::LocalProject => StartThreadIn::NewWorktree,
2324            StartThreadIn::NewWorktree => StartThreadIn::LocalProject,
2325        };
2326        self.set_start_thread_in(&next, window, cx);
2327    }
2328
2329    fn reset_start_thread_in_to_default(&mut self, cx: &mut Context<Self>) {
2330        use settings::{NewThreadLocation, Settings};
2331        let default = AgentSettings::get_global(cx).new_thread_location;
2332        let start_thread_in = match default {
2333            NewThreadLocation::LocalProject => StartThreadIn::LocalProject,
2334            NewThreadLocation::NewWorktree => {
2335                if self.project_has_git_repository(cx) {
2336                    StartThreadIn::NewWorktree
2337                } else {
2338                    StartThreadIn::LocalProject
2339                }
2340            }
2341        };
2342        if self.start_thread_in != start_thread_in {
2343            self.start_thread_in = start_thread_in;
2344            self.serialize(cx);
2345            cx.notify();
2346        }
2347    }
2348
2349    pub(crate) fn selected_agent(&self) -> Option<Agent> {
2350        match &self.selected_agent_type {
2351            AgentType::NativeAgent => Some(Agent::NativeAgent),
2352            AgentType::Custom { id } => Some(Agent::Custom { id: id.clone() }),
2353            AgentType::TextThread => None,
2354        }
2355    }
2356
2357    fn sync_agent_servers_from_extensions(&mut self, cx: &mut Context<Self>) {
2358        if let Some(extension_store) = ExtensionStore::try_global(cx) {
2359            let (manifests, extensions_dir) = {
2360                let store = extension_store.read(cx);
2361                let installed = store.installed_extensions();
2362                let manifests: Vec<_> = installed
2363                    .iter()
2364                    .map(|(id, entry)| (id.clone(), entry.manifest.clone()))
2365                    .collect();
2366                let extensions_dir = paths::extensions_dir().join("installed");
2367                (manifests, extensions_dir)
2368            };
2369
2370            self.project.update(cx, |project, cx| {
2371                project.agent_server_store().update(cx, |store, cx| {
2372                    let manifest_refs: Vec<_> = manifests
2373                        .iter()
2374                        .map(|(id, manifest)| (id.as_ref(), manifest.as_ref()))
2375                        .collect();
2376                    store.sync_extension_agents(manifest_refs, extensions_dir, cx);
2377                });
2378            });
2379        }
2380    }
2381
2382    pub fn new_agent_thread_with_external_source_prompt(
2383        &mut self,
2384        external_source_prompt: Option<ExternalSourcePrompt>,
2385        window: &mut Window,
2386        cx: &mut Context<Self>,
2387    ) {
2388        self.external_thread(
2389            None,
2390            None,
2391            None,
2392            None,
2393            external_source_prompt.map(AgentInitialContent::from),
2394            true,
2395            window,
2396            cx,
2397        );
2398    }
2399
2400    pub fn new_agent_thread(
2401        &mut self,
2402        agent: AgentType,
2403        window: &mut Window,
2404        cx: &mut Context<Self>,
2405    ) {
2406        self.reset_start_thread_in_to_default(cx);
2407        self.new_agent_thread_inner(agent, true, window, cx);
2408    }
2409
2410    fn new_agent_thread_inner(
2411        &mut self,
2412        agent: AgentType,
2413        focus: bool,
2414        window: &mut Window,
2415        cx: &mut Context<Self>,
2416    ) {
2417        match agent {
2418            AgentType::TextThread => {
2419                window.dispatch_action(NewTextThread.boxed_clone(), cx);
2420            }
2421            AgentType::NativeAgent => self.external_thread(
2422                Some(crate::Agent::NativeAgent),
2423                None,
2424                None,
2425                None,
2426                None,
2427                focus,
2428                window,
2429                cx,
2430            ),
2431            AgentType::Custom { id } => self.external_thread(
2432                Some(crate::Agent::Custom { id }),
2433                None,
2434                None,
2435                None,
2436                None,
2437                focus,
2438                window,
2439                cx,
2440            ),
2441        }
2442    }
2443
2444    pub fn load_agent_thread(
2445        &mut self,
2446        agent: Agent,
2447        session_id: acp::SessionId,
2448        work_dirs: Option<PathList>,
2449        title: Option<SharedString>,
2450        focus: bool,
2451        window: &mut Window,
2452        cx: &mut Context<Self>,
2453    ) {
2454        if let Some(conversation_view) = self.background_threads.remove(&session_id) {
2455            self.set_active_view(
2456                ActiveView::AgentThread { conversation_view },
2457                focus,
2458                window,
2459                cx,
2460            );
2461            return;
2462        }
2463
2464        if let ActiveView::AgentThread { conversation_view } = &self.active_view {
2465            if conversation_view
2466                .read(cx)
2467                .active_thread()
2468                .map(|t| t.read(cx).id.clone())
2469                == Some(session_id.clone())
2470            {
2471                cx.emit(AgentPanelEvent::ActiveViewChanged);
2472                return;
2473            }
2474        }
2475
2476        if let Some(ActiveView::AgentThread { conversation_view }) = &self.previous_view {
2477            if conversation_view
2478                .read(cx)
2479                .active_thread()
2480                .map(|t| t.read(cx).id.clone())
2481                == Some(session_id.clone())
2482            {
2483                let view = self.previous_view.take().unwrap();
2484                self.set_active_view(view, focus, window, cx);
2485                return;
2486            }
2487        }
2488
2489        self.external_thread(
2490            Some(agent),
2491            Some(session_id),
2492            work_dirs,
2493            title,
2494            None,
2495            focus,
2496            window,
2497            cx,
2498        );
2499    }
2500
2501    pub(crate) fn create_agent_thread(
2502        &mut self,
2503        server: Rc<dyn AgentServer>,
2504        resume_session_id: Option<acp::SessionId>,
2505        work_dirs: Option<PathList>,
2506        title: Option<SharedString>,
2507        initial_content: Option<AgentInitialContent>,
2508        workspace: WeakEntity<Workspace>,
2509        project: Entity<Project>,
2510        ext_agent: Agent,
2511        focus: bool,
2512        window: &mut Window,
2513        cx: &mut Context<Self>,
2514    ) {
2515        let selected_agent = AgentType::from(ext_agent.clone());
2516        if self.selected_agent_type != selected_agent {
2517            self.selected_agent_type = selected_agent;
2518            self.serialize(cx);
2519        }
2520        let thread_store = server
2521            .clone()
2522            .downcast::<agent::NativeAgentServer>()
2523            .is_some()
2524            .then(|| self.thread_store.clone());
2525
2526        let connection_store = self.connection_store.clone();
2527
2528        let conversation_view = cx.new(|cx| {
2529            crate::ConversationView::new(
2530                server,
2531                connection_store,
2532                ext_agent,
2533                resume_session_id,
2534                work_dirs,
2535                title,
2536                initial_content,
2537                workspace.clone(),
2538                project,
2539                thread_store,
2540                self.prompt_store.clone(),
2541                window,
2542                cx,
2543            )
2544        });
2545
2546        cx.observe(&conversation_view, |this, server_view, cx| {
2547            let is_active = this
2548                .active_conversation_view()
2549                .is_some_and(|active| active.entity_id() == server_view.entity_id());
2550            if is_active {
2551                cx.emit(AgentPanelEvent::ActiveViewChanged);
2552                this.serialize(cx);
2553            } else {
2554                cx.emit(AgentPanelEvent::BackgroundThreadChanged);
2555            }
2556            cx.notify();
2557        })
2558        .detach();
2559
2560        self.set_active_view(
2561            ActiveView::AgentThread { conversation_view },
2562            focus,
2563            window,
2564            cx,
2565        );
2566    }
2567
2568    fn active_thread_has_messages(&self, cx: &App) -> bool {
2569        self.active_agent_thread(cx)
2570            .is_some_and(|thread| !thread.read(cx).entries().is_empty())
2571    }
2572
2573    pub fn active_thread_is_draft(&self, cx: &App) -> bool {
2574        self.active_conversation_view().is_some() && !self.active_thread_has_messages(cx)
2575    }
2576
2577    fn handle_first_send_requested(
2578        &mut self,
2579        thread_view: Entity<ThreadView>,
2580        content: Vec<acp::ContentBlock>,
2581        window: &mut Window,
2582        cx: &mut Context<Self>,
2583    ) {
2584        if self.start_thread_in == StartThreadIn::NewWorktree {
2585            self.handle_worktree_creation_requested(content, window, cx);
2586        } else {
2587            cx.defer_in(window, move |_this, window, cx| {
2588                thread_view.update(cx, |thread_view, cx| {
2589                    let editor = thread_view.message_editor.clone();
2590                    thread_view.send_impl(editor, window, cx);
2591                });
2592            });
2593        }
2594    }
2595
2596    // TODO: The mapping from workspace root paths to git repositories needs a
2597    // unified approach across the codebase: this method, `sidebar::is_root_repo`,
2598    // thread persistence (which PathList is saved to the database), and thread
2599    // querying (which PathList is used to read threads back). All of these need
2600    // to agree on how repos are resolved for a given workspace, especially in
2601    // multi-root and nested-repo configurations.
2602    /// Partitions the project's visible worktrees into git-backed repositories
2603    /// and plain (non-git) paths. Git repos will have worktrees created for
2604    /// them; non-git paths are carried over to the new workspace as-is.
2605    ///
2606    /// When multiple worktrees map to the same repository, the most specific
2607    /// match wins (deepest work directory path), with a deterministic
2608    /// tie-break on entity id. Each repository appears at most once.
2609    fn classify_worktrees(
2610        &self,
2611        cx: &App,
2612    ) -> (Vec<Entity<project::git_store::Repository>>, Vec<PathBuf>) {
2613        let project = &self.project;
2614        let repositories = project.read(cx).repositories(cx).clone();
2615        let mut git_repos: Vec<Entity<project::git_store::Repository>> = Vec::new();
2616        let mut non_git_paths: Vec<PathBuf> = Vec::new();
2617        let mut seen_repo_ids = std::collections::HashSet::new();
2618
2619        for worktree in project.read(cx).visible_worktrees(cx) {
2620            let wt_path = worktree.read(cx).abs_path();
2621
2622            let matching_repo = repositories
2623                .iter()
2624                .filter_map(|(id, repo)| {
2625                    let work_dir = repo.read(cx).work_directory_abs_path.clone();
2626                    if wt_path.starts_with(work_dir.as_ref())
2627                        || work_dir.starts_with(wt_path.as_ref())
2628                    {
2629                        Some((*id, repo.clone(), work_dir.as_ref().components().count()))
2630                    } else {
2631                        None
2632                    }
2633                })
2634                .max_by(
2635                    |(left_id, _left_repo, left_depth), (right_id, _right_repo, right_depth)| {
2636                        left_depth
2637                            .cmp(right_depth)
2638                            .then_with(|| left_id.cmp(right_id))
2639                    },
2640                );
2641
2642            if let Some((id, repo, _)) = matching_repo {
2643                if seen_repo_ids.insert(id) {
2644                    git_repos.push(repo);
2645                }
2646            } else {
2647                non_git_paths.push(wt_path.to_path_buf());
2648            }
2649        }
2650
2651        (git_repos, non_git_paths)
2652    }
2653
2654    /// Kicks off an async git-worktree creation for each repository. Returns:
2655    ///
2656    /// - `creation_infos`: a vec of `(repo, new_path, receiver)` tuples—the
2657    ///   receiver resolves once the git worktree command finishes.
2658    /// - `path_remapping`: `(old_work_dir, new_worktree_path)` pairs used
2659    ///   later to remap open editor tabs into the new workspace.
2660    fn start_worktree_creations(
2661        git_repos: &[Entity<project::git_store::Repository>],
2662        branch_name: &str,
2663        worktree_directory_setting: &str,
2664        cx: &mut Context<Self>,
2665    ) -> Result<(
2666        Vec<(
2667            Entity<project::git_store::Repository>,
2668            PathBuf,
2669            futures::channel::oneshot::Receiver<Result<()>>,
2670        )>,
2671        Vec<(PathBuf, PathBuf)>,
2672    )> {
2673        let mut creation_infos = Vec::new();
2674        let mut path_remapping = Vec::new();
2675
2676        for repo in git_repos {
2677            let (work_dir, new_path, receiver) = repo.update(cx, |repo, _cx| {
2678                let new_path =
2679                    repo.path_for_new_linked_worktree(branch_name, worktree_directory_setting)?;
2680                let receiver =
2681                    repo.create_worktree(branch_name.to_string(), new_path.clone(), None);
2682                let work_dir = repo.work_directory_abs_path.clone();
2683                anyhow::Ok((work_dir, new_path, receiver))
2684            })?;
2685            path_remapping.push((work_dir.to_path_buf(), new_path.clone()));
2686            creation_infos.push((repo.clone(), new_path, receiver));
2687        }
2688
2689        Ok((creation_infos, path_remapping))
2690    }
2691
2692    /// Waits for every in-flight worktree creation to complete. If any
2693    /// creation fails, all successfully-created worktrees are rolled back
2694    /// (removed) so the project isn't left in a half-migrated state.
2695    async fn await_and_rollback_on_failure(
2696        creation_infos: Vec<(
2697            Entity<project::git_store::Repository>,
2698            PathBuf,
2699            futures::channel::oneshot::Receiver<Result<()>>,
2700        )>,
2701        cx: &mut AsyncWindowContext,
2702    ) -> Result<Vec<PathBuf>> {
2703        let mut created_paths: Vec<PathBuf> = Vec::new();
2704        let mut repos_and_paths: Vec<(Entity<project::git_store::Repository>, PathBuf)> =
2705            Vec::new();
2706        let mut first_error: Option<anyhow::Error> = None;
2707
2708        for (repo, new_path, receiver) in creation_infos {
2709            match receiver.await {
2710                Ok(Ok(())) => {
2711                    created_paths.push(new_path.clone());
2712                    repos_and_paths.push((repo, new_path));
2713                }
2714                Ok(Err(err)) => {
2715                    if first_error.is_none() {
2716                        first_error = Some(err);
2717                    }
2718                }
2719                Err(_canceled) => {
2720                    if first_error.is_none() {
2721                        first_error = Some(anyhow!("Worktree creation was canceled"));
2722                    }
2723                }
2724            }
2725        }
2726
2727        let Some(err) = first_error else {
2728            return Ok(created_paths);
2729        };
2730
2731        // Rollback all successfully created worktrees
2732        let mut rollback_receivers = Vec::new();
2733        for (rollback_repo, rollback_path) in &repos_and_paths {
2734            if let Ok(receiver) = cx.update(|_, cx| {
2735                rollback_repo.update(cx, |repo, _cx| {
2736                    repo.remove_worktree(rollback_path.clone(), true)
2737                })
2738            }) {
2739                rollback_receivers.push((rollback_path.clone(), receiver));
2740            }
2741        }
2742        let mut rollback_failures: Vec<String> = Vec::new();
2743        for (path, receiver) in rollback_receivers {
2744            match receiver.await {
2745                Ok(Ok(())) => {}
2746                Ok(Err(rollback_err)) => {
2747                    log::error!(
2748                        "failed to rollback worktree at {}: {rollback_err}",
2749                        path.display()
2750                    );
2751                    rollback_failures.push(format!("{}: {rollback_err}", path.display()));
2752                }
2753                Err(rollback_err) => {
2754                    log::error!(
2755                        "failed to rollback worktree at {}: {rollback_err}",
2756                        path.display()
2757                    );
2758                    rollback_failures.push(format!("{}: {rollback_err}", path.display()));
2759                }
2760            }
2761        }
2762        let mut error_message = format!("Failed to create worktree: {err}");
2763        if !rollback_failures.is_empty() {
2764            error_message.push_str("\n\nFailed to clean up: ");
2765            error_message.push_str(&rollback_failures.join(", "));
2766        }
2767        Err(anyhow!(error_message))
2768    }
2769
2770    fn set_worktree_creation_error(
2771        &mut self,
2772        message: SharedString,
2773        window: &mut Window,
2774        cx: &mut Context<Self>,
2775    ) {
2776        self.worktree_creation_status = Some(WorktreeCreationStatus::Error(message));
2777        if matches!(self.active_view, ActiveView::Uninitialized) {
2778            let selected_agent_type = self.selected_agent_type.clone();
2779            self.new_agent_thread(selected_agent_type, window, cx);
2780        }
2781        cx.notify();
2782    }
2783
2784    fn handle_worktree_creation_requested(
2785        &mut self,
2786        content: Vec<acp::ContentBlock>,
2787        window: &mut Window,
2788        cx: &mut Context<Self>,
2789    ) {
2790        if matches!(
2791            self.worktree_creation_status,
2792            Some(WorktreeCreationStatus::Creating)
2793        ) {
2794            return;
2795        }
2796
2797        self.worktree_creation_status = Some(WorktreeCreationStatus::Creating);
2798        cx.notify();
2799
2800        let (git_repos, non_git_paths) = self.classify_worktrees(cx);
2801
2802        if git_repos.is_empty() {
2803            self.set_worktree_creation_error(
2804                "No git repositories found in the project".into(),
2805                window,
2806                cx,
2807            );
2808            return;
2809        }
2810
2811        // Kick off branch listing as early as possible so it can run
2812        // concurrently with the remaining synchronous setup work.
2813        let branch_receivers: Vec<_> = git_repos
2814            .iter()
2815            .map(|repo| repo.update(cx, |repo, _cx| repo.branches()))
2816            .collect();
2817
2818        let worktree_directory_setting = ProjectSettings::get_global(cx)
2819            .git
2820            .worktree_directory
2821            .clone();
2822
2823        let active_file_path = self.workspace.upgrade().and_then(|workspace| {
2824            let workspace = workspace.read(cx);
2825            let active_item = workspace.active_item(cx)?;
2826            let project_path = active_item.project_path(cx)?;
2827            workspace
2828                .project()
2829                .read(cx)
2830                .absolute_path(&project_path, cx)
2831        });
2832
2833        let workspace = self.workspace.clone();
2834        let window_handle = window
2835            .window_handle()
2836            .downcast::<workspace::MultiWorkspace>();
2837
2838        let selected_agent = self.selected_agent();
2839
2840        let task = cx.spawn_in(window, async move |this, cx| {
2841            // Await the branch listings we kicked off earlier.
2842            let mut existing_branches = Vec::new();
2843            for result in futures::future::join_all(branch_receivers).await {
2844                match result {
2845                    Ok(Ok(branches)) => {
2846                        for branch in branches {
2847                            existing_branches.push(branch.name().to_string());
2848                        }
2849                    }
2850                    Ok(Err(err)) => {
2851                        Err::<(), _>(err).log_err();
2852                    }
2853                    Err(_) => {}
2854                }
2855            }
2856
2857            let existing_branch_refs: Vec<&str> =
2858                existing_branches.iter().map(|s| s.as_str()).collect();
2859            let mut rng = rand::rng();
2860            let branch_name =
2861                match crate::branch_names::generate_branch_name(&existing_branch_refs, &mut rng) {
2862                    Some(name) => name,
2863                    None => {
2864                        this.update_in(cx, |this, window, cx| {
2865                            this.set_worktree_creation_error(
2866                                "Failed to generate a unique branch name".into(),
2867                                window,
2868                                cx,
2869                            );
2870                        })?;
2871                        return anyhow::Ok(());
2872                    }
2873                };
2874
2875            let (creation_infos, path_remapping) = match this.update_in(cx, |_this, _window, cx| {
2876                Self::start_worktree_creations(
2877                    &git_repos,
2878                    &branch_name,
2879                    &worktree_directory_setting,
2880                    cx,
2881                )
2882            }) {
2883                Ok(Ok(result)) => result,
2884                Ok(Err(err)) | Err(err) => {
2885                    this.update_in(cx, |this, window, cx| {
2886                        this.set_worktree_creation_error(
2887                            format!("Failed to validate worktree directory: {err}").into(),
2888                            window,
2889                            cx,
2890                        );
2891                    })
2892                    .log_err();
2893                    return anyhow::Ok(());
2894                }
2895            };
2896
2897            let created_paths = match Self::await_and_rollback_on_failure(creation_infos, cx).await
2898            {
2899                Ok(paths) => paths,
2900                Err(err) => {
2901                    this.update_in(cx, |this, window, cx| {
2902                        this.set_worktree_creation_error(format!("{err}").into(), window, cx);
2903                    })?;
2904                    return anyhow::Ok(());
2905                }
2906            };
2907
2908            let mut all_paths = created_paths;
2909            let has_non_git = !non_git_paths.is_empty();
2910            all_paths.extend(non_git_paths.iter().cloned());
2911
2912            let app_state = match workspace.upgrade() {
2913                Some(workspace) => cx.update(|_, cx| workspace.read(cx).app_state().clone())?,
2914                None => {
2915                    this.update_in(cx, |this, window, cx| {
2916                        this.set_worktree_creation_error(
2917                            "Workspace no longer available".into(),
2918                            window,
2919                            cx,
2920                        );
2921                    })?;
2922                    return anyhow::Ok(());
2923                }
2924            };
2925
2926            let this_for_error = this.clone();
2927            if let Err(err) = Self::setup_new_workspace(
2928                this,
2929                all_paths,
2930                app_state,
2931                window_handle,
2932                active_file_path,
2933                path_remapping,
2934                non_git_paths,
2935                has_non_git,
2936                content,
2937                selected_agent,
2938                cx,
2939            )
2940            .await
2941            {
2942                this_for_error
2943                    .update_in(cx, |this, window, cx| {
2944                        this.set_worktree_creation_error(
2945                            format!("Failed to set up workspace: {err}").into(),
2946                            window,
2947                            cx,
2948                        );
2949                    })
2950                    .log_err();
2951            }
2952            anyhow::Ok(())
2953        });
2954
2955        self._worktree_creation_task = Some(cx.foreground_executor().spawn(async move {
2956            task.await.log_err();
2957        }));
2958    }
2959
2960    async fn setup_new_workspace(
2961        this: WeakEntity<Self>,
2962        all_paths: Vec<PathBuf>,
2963        app_state: Arc<workspace::AppState>,
2964        window_handle: Option<gpui::WindowHandle<workspace::MultiWorkspace>>,
2965        active_file_path: Option<PathBuf>,
2966        path_remapping: Vec<(PathBuf, PathBuf)>,
2967        non_git_paths: Vec<PathBuf>,
2968        has_non_git: bool,
2969        content: Vec<acp::ContentBlock>,
2970        selected_agent: Option<Agent>,
2971        cx: &mut AsyncWindowContext,
2972    ) -> Result<()> {
2973        let OpenResult {
2974            window: new_window_handle,
2975            workspace: new_workspace,
2976            ..
2977        } = cx
2978            .update(|_window, cx| {
2979                Workspace::new_local(
2980                    all_paths,
2981                    app_state,
2982                    window_handle,
2983                    None,
2984                    None,
2985                    OpenMode::Add,
2986                    cx,
2987                )
2988            })?
2989            .await?;
2990
2991        let panels_task = new_workspace.update(cx, |workspace, _cx| workspace.take_panels_task());
2992
2993        if let Some(task) = panels_task {
2994            task.await.log_err();
2995        }
2996
2997        new_workspace
2998            .update(cx, |workspace, cx| {
2999                workspace.project().read(cx).wait_for_initial_scan(cx)
3000            })
3001            .await;
3002
3003        new_workspace
3004            .update(cx, |workspace, cx| {
3005                let repos = workspace
3006                    .project()
3007                    .read(cx)
3008                    .repositories(cx)
3009                    .values()
3010                    .cloned()
3011                    .collect::<Vec<_>>();
3012
3013                let tasks = repos
3014                    .into_iter()
3015                    .map(|repo| repo.update(cx, |repo, _| repo.barrier()));
3016                futures::future::join_all(tasks)
3017            })
3018            .await;
3019
3020        let initial_content = AgentInitialContent::ContentBlock {
3021            blocks: content,
3022            auto_submit: true,
3023        };
3024
3025        new_window_handle.update(cx, |_multi_workspace, window, cx| {
3026            new_workspace.update(cx, |workspace, cx| {
3027                if has_non_git {
3028                    let toast_id = workspace::notifications::NotificationId::unique::<AgentPanel>();
3029                    workspace.show_toast(
3030                        workspace::Toast::new(
3031                            toast_id,
3032                            "Some project folders are not git repositories. \
3033                             They were included as-is without creating a worktree.",
3034                        ),
3035                        cx,
3036                    );
3037                }
3038
3039                // If we had an active buffer, remap its path and reopen it.
3040                let had_active_file = active_file_path.is_some();
3041                let remapped_active_path = active_file_path.and_then(|original_path| {
3042                    let best_match = path_remapping
3043                        .iter()
3044                        .filter_map(|(old_root, new_root)| {
3045                            original_path.strip_prefix(old_root).ok().map(|relative| {
3046                                (old_root.components().count(), new_root.join(relative))
3047                            })
3048                        })
3049                        .max_by_key(|(depth, _)| *depth);
3050
3051                    if let Some((_, remapped_path)) = best_match {
3052                        return Some(remapped_path);
3053                    }
3054
3055                    for non_git in &non_git_paths {
3056                        if original_path.starts_with(non_git) {
3057                            return Some(original_path);
3058                        }
3059                    }
3060                    None
3061                });
3062
3063                if had_active_file && remapped_active_path.is_none() {
3064                    log::warn!(
3065                        "Active file could not be remapped to the new worktree; it will not be reopened"
3066                    );
3067                }
3068
3069                if let Some(path) = remapped_active_path {
3070                    let open_task = workspace.open_paths(
3071                        vec![path],
3072                        workspace::OpenOptions::default(),
3073                        None,
3074                        window,
3075                        cx,
3076                    );
3077                    cx.spawn(async move |_, _| -> anyhow::Result<()> {
3078                        for item in open_task.await.into_iter().flatten() {
3079                            item?;
3080                        }
3081                        Ok(())
3082                    })
3083                    .detach_and_log_err(cx);
3084                }
3085
3086                workspace.focus_panel::<AgentPanel>(window, cx);
3087
3088                // If no active buffer was open, zoom the agent panel
3089                // (equivalent to cmd-esc fullscreen behavior).
3090                // This must happen after focus_panel, which activates
3091                // and opens the panel in the dock.
3092
3093                if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3094                    panel.update(cx, |panel, cx| {
3095                        panel.external_thread(
3096                            selected_agent,
3097                            None,
3098                            None,
3099                            None,
3100                            Some(initial_content),
3101                            true,
3102                            window,
3103                            cx,
3104                        );
3105                    });
3106                }
3107            });
3108        })?;
3109
3110        new_window_handle.update(cx, |multi_workspace, window, cx| {
3111            multi_workspace.activate(new_workspace.clone(), window, cx);
3112        })?;
3113
3114        this.update_in(cx, |this, window, cx| {
3115            this.worktree_creation_status = None;
3116
3117            if let Some(thread_view) = this.active_thread_view(cx) {
3118                thread_view.update(cx, |thread_view, cx| {
3119                    thread_view
3120                        .message_editor
3121                        .update(cx, |editor, cx| editor.clear(window, cx));
3122                });
3123            }
3124
3125            cx.notify();
3126        })?;
3127
3128        anyhow::Ok(())
3129    }
3130}
3131
3132impl Focusable for AgentPanel {
3133    fn focus_handle(&self, cx: &App) -> FocusHandle {
3134        match &self.active_view {
3135            ActiveView::Uninitialized => self.focus_handle.clone(),
3136            ActiveView::AgentThread {
3137                conversation_view, ..
3138            } => conversation_view.focus_handle(cx),
3139            ActiveView::History { history: kind } => match kind {
3140                History::AgentThreads { view } => view.read(cx).focus_handle(cx),
3141                History::TextThreads => self.text_thread_history.focus_handle(cx),
3142            },
3143            ActiveView::TextThread {
3144                text_thread_editor, ..
3145            } => text_thread_editor.focus_handle(cx),
3146            ActiveView::Configuration => {
3147                if let Some(configuration) = self.configuration.as_ref() {
3148                    configuration.focus_handle(cx)
3149                } else {
3150                    self.focus_handle.clone()
3151                }
3152            }
3153        }
3154    }
3155}
3156
3157fn agent_panel_dock_position(cx: &App) -> DockPosition {
3158    AgentSettings::get_global(cx).dock.into()
3159}
3160
3161pub enum AgentPanelEvent {
3162    ActiveViewChanged,
3163    ThreadFocused,
3164    BackgroundThreadChanged,
3165    MessageSentOrQueued { session_id: acp::SessionId },
3166}
3167
3168impl EventEmitter<PanelEvent> for AgentPanel {}
3169impl EventEmitter<AgentPanelEvent> for AgentPanel {}
3170
3171impl Panel for AgentPanel {
3172    fn persistent_name() -> &'static str {
3173        "AgentPanel"
3174    }
3175
3176    fn panel_key() -> &'static str {
3177        AGENT_PANEL_KEY
3178    }
3179
3180    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
3181        agent_panel_dock_position(cx)
3182    }
3183
3184    fn position_is_valid(&self, position: DockPosition) -> bool {
3185        position != DockPosition::Bottom
3186    }
3187
3188    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
3189        settings::update_settings_file(self.fs.clone(), cx, move |settings, _| {
3190            settings
3191                .agent
3192                .get_or_insert_default()
3193                .set_dock(position.into());
3194        });
3195    }
3196
3197    fn default_size(&self, window: &Window, cx: &App) -> Pixels {
3198        let settings = AgentSettings::get_global(cx);
3199        match self.position(window, cx) {
3200            DockPosition::Left | DockPosition::Right => settings.default_width,
3201            DockPosition::Bottom => settings.default_height,
3202        }
3203    }
3204
3205    fn supports_flexible_size(&self) -> bool {
3206        true
3207    }
3208
3209    fn has_flexible_size(&self, _window: &Window, cx: &App) -> bool {
3210        AgentSettings::get_global(cx).flexible
3211    }
3212
3213    fn set_flexible_size(&mut self, flexible: bool, _window: &mut Window, cx: &mut Context<Self>) {
3214        settings::update_settings_file(self.fs.clone(), cx, move |settings, _| {
3215            settings
3216                .agent
3217                .get_or_insert_default()
3218                .set_flexible_size(flexible);
3219        });
3220    }
3221
3222    fn set_active(&mut self, active: bool, window: &mut Window, cx: &mut Context<Self>) {
3223        if active
3224            && matches!(self.active_view, ActiveView::Uninitialized)
3225            && !matches!(
3226                self.worktree_creation_status,
3227                Some(WorktreeCreationStatus::Creating)
3228            )
3229        {
3230            let selected_agent_type = self.selected_agent_type.clone();
3231            self.new_agent_thread_inner(selected_agent_type, false, window, cx);
3232        }
3233    }
3234
3235    fn remote_id() -> Option<proto::PanelId> {
3236        Some(proto::PanelId::AssistantPanel)
3237    }
3238
3239    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
3240        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
3241    }
3242
3243    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
3244        Some("Agent Panel")
3245    }
3246
3247    fn toggle_action(&self) -> Box<dyn Action> {
3248        Box::new(ToggleFocus)
3249    }
3250
3251    fn activation_priority(&self) -> u32 {
3252        0
3253    }
3254
3255    fn enabled(&self, cx: &App) -> bool {
3256        AgentSettings::get_global(cx).enabled(cx)
3257    }
3258
3259    fn is_agent_panel(&self) -> bool {
3260        true
3261    }
3262
3263    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
3264        self.zoomed
3265    }
3266
3267    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
3268        self.zoomed = zoomed;
3269        cx.notify();
3270    }
3271}
3272
3273impl AgentPanel {
3274    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
3275        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
3276
3277        let content = match &self.active_view {
3278            ActiveView::AgentThread { conversation_view } => {
3279                let server_view_ref = conversation_view.read(cx);
3280                let is_generating_title = server_view_ref.as_native_thread(cx).is_some()
3281                    && server_view_ref.root_thread(cx).map_or(false, |tv| {
3282                        tv.read(cx).thread.read(cx).has_provisional_title()
3283                    });
3284
3285                if let Some(title_editor) = server_view_ref
3286                    .root_thread(cx)
3287                    .map(|r| r.read(cx).title_editor.clone())
3288                {
3289                    if is_generating_title {
3290                        Label::new(DEFAULT_THREAD_TITLE)
3291                            .color(Color::Muted)
3292                            .truncate()
3293                            .with_animation(
3294                                "generating_title",
3295                                Animation::new(Duration::from_secs(2))
3296                                    .repeat()
3297                                    .with_easing(pulsating_between(0.4, 0.8)),
3298                                |label, delta| label.alpha(delta),
3299                            )
3300                            .into_any_element()
3301                    } else {
3302                        div()
3303                            .w_full()
3304                            .on_action({
3305                                let conversation_view = conversation_view.downgrade();
3306                                move |_: &menu::Confirm, window, cx| {
3307                                    if let Some(conversation_view) = conversation_view.upgrade() {
3308                                        conversation_view.focus_handle(cx).focus(window, cx);
3309                                    }
3310                                }
3311                            })
3312                            .on_action({
3313                                let conversation_view = conversation_view.downgrade();
3314                                move |_: &editor::actions::Cancel, window, cx| {
3315                                    if let Some(conversation_view) = conversation_view.upgrade() {
3316                                        conversation_view.focus_handle(cx).focus(window, cx);
3317                                    }
3318                                }
3319                            })
3320                            .child(title_editor)
3321                            .into_any_element()
3322                    }
3323                } else {
3324                    Label::new(conversation_view.read(cx).title(cx))
3325                        .color(Color::Muted)
3326                        .truncate()
3327                        .into_any_element()
3328                }
3329            }
3330            ActiveView::TextThread {
3331                title_editor,
3332                text_thread_editor,
3333                ..
3334            } => {
3335                let summary = text_thread_editor.read(cx).text_thread().read(cx).summary();
3336
3337                match summary {
3338                    TextThreadSummary::Pending => Label::new(TextThreadSummary::DEFAULT)
3339                        .color(Color::Muted)
3340                        .truncate()
3341                        .into_any_element(),
3342                    TextThreadSummary::Content(summary) => {
3343                        if summary.done {
3344                            div()
3345                                .w_full()
3346                                .child(title_editor.clone())
3347                                .into_any_element()
3348                        } else {
3349                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
3350                                .truncate()
3351                                .color(Color::Muted)
3352                                .with_animation(
3353                                    "generating_title",
3354                                    Animation::new(Duration::from_secs(2))
3355                                        .repeat()
3356                                        .with_easing(pulsating_between(0.4, 0.8)),
3357                                    |label, delta| label.alpha(delta),
3358                                )
3359                                .into_any_element()
3360                        }
3361                    }
3362                    TextThreadSummary::Error => h_flex()
3363                        .w_full()
3364                        .child(title_editor.clone())
3365                        .child(
3366                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
3367                                .icon_size(IconSize::Small)
3368                                .on_click({
3369                                    let text_thread_editor = text_thread_editor.clone();
3370                                    move |_, _window, cx| {
3371                                        text_thread_editor.update(cx, |text_thread_editor, cx| {
3372                                            text_thread_editor.regenerate_summary(cx);
3373                                        });
3374                                    }
3375                                })
3376                                .tooltip(move |_window, cx| {
3377                                    cx.new(|_| {
3378                                        Tooltip::new("Failed to generate title")
3379                                            .meta("Click to try again")
3380                                    })
3381                                    .into()
3382                                }),
3383                        )
3384                        .into_any_element(),
3385                }
3386            }
3387            ActiveView::History { history: kind } => {
3388                let title = match kind {
3389                    History::AgentThreads { .. } => "History",
3390                    History::TextThreads => "Text Thread History",
3391                };
3392                Label::new(title).truncate().into_any_element()
3393            }
3394            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
3395            ActiveView::Uninitialized => Label::new("Agent").truncate().into_any_element(),
3396        };
3397
3398        h_flex()
3399            .key_context("TitleEditor")
3400            .id("TitleEditor")
3401            .flex_grow()
3402            .w_full()
3403            .max_w_full()
3404            .overflow_x_scroll()
3405            .child(content)
3406            .into_any()
3407    }
3408
3409    fn handle_regenerate_thread_title(conversation_view: Entity<ConversationView>, cx: &mut App) {
3410        conversation_view.update(cx, |conversation_view, cx| {
3411            if let Some(thread) = conversation_view.as_native_thread(cx) {
3412                thread.update(cx, |thread, cx| {
3413                    thread.generate_title(cx);
3414                });
3415            }
3416        });
3417    }
3418
3419    fn handle_regenerate_text_thread_title(
3420        text_thread_editor: Entity<TextThreadEditor>,
3421        cx: &mut App,
3422    ) {
3423        text_thread_editor.update(cx, |text_thread_editor, cx| {
3424            text_thread_editor.regenerate_summary(cx);
3425        });
3426    }
3427
3428    fn render_panel_options_menu(
3429        &self,
3430        window: &mut Window,
3431        cx: &mut Context<Self>,
3432    ) -> impl IntoElement {
3433        let focus_handle = self.focus_handle(cx);
3434
3435        let full_screen_label = if self.is_zoomed(window, cx) {
3436            "Disable Full Screen"
3437        } else {
3438            "Enable Full Screen"
3439        };
3440
3441        let text_thread_view = match &self.active_view {
3442            ActiveView::TextThread {
3443                text_thread_editor, ..
3444            } => Some(text_thread_editor.clone()),
3445            _ => None,
3446        };
3447        let text_thread_with_messages = match &self.active_view {
3448            ActiveView::TextThread {
3449                text_thread_editor, ..
3450            } => text_thread_editor
3451                .read(cx)
3452                .text_thread()
3453                .read(cx)
3454                .messages(cx)
3455                .any(|message| message.role == language_model::Role::Assistant),
3456            _ => false,
3457        };
3458
3459        let conversation_view = match &self.active_view {
3460            ActiveView::AgentThread { conversation_view } => Some(conversation_view.clone()),
3461            _ => None,
3462        };
3463        let thread_with_messages = match &self.active_view {
3464            ActiveView::AgentThread { conversation_view } => {
3465                conversation_view.read(cx).has_user_submitted_prompt(cx)
3466            }
3467            _ => false,
3468        };
3469        let has_auth_methods = match &self.active_view {
3470            ActiveView::AgentThread { conversation_view } => {
3471                conversation_view.read(cx).has_auth_methods()
3472            }
3473            _ => false,
3474        };
3475
3476        PopoverMenu::new("agent-options-menu")
3477            .trigger_with_tooltip(
3478                IconButton::new("agent-options-menu", IconName::Ellipsis)
3479                    .icon_size(IconSize::Small),
3480                {
3481                    let focus_handle = focus_handle.clone();
3482                    move |_window, cx| {
3483                        Tooltip::for_action_in(
3484                            "Toggle Agent Menu",
3485                            &ToggleOptionsMenu,
3486                            &focus_handle,
3487                            cx,
3488                        )
3489                    }
3490                },
3491            )
3492            .anchor(Corner::TopRight)
3493            .with_handle(self.agent_panel_menu_handle.clone())
3494            .menu({
3495                move |window, cx| {
3496                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
3497                        menu = menu.context(focus_handle.clone());
3498
3499                        if thread_with_messages | text_thread_with_messages {
3500                            menu = menu.header("Current Thread");
3501
3502                            if let Some(text_thread_view) = text_thread_view.as_ref() {
3503                                menu = menu
3504                                    .entry("Regenerate Thread Title", None, {
3505                                        let text_thread_view = text_thread_view.clone();
3506                                        move |_, cx| {
3507                                            Self::handle_regenerate_text_thread_title(
3508                                                text_thread_view.clone(),
3509                                                cx,
3510                                            );
3511                                        }
3512                                    })
3513                                    .separator();
3514                            }
3515
3516                            if let Some(conversation_view) = conversation_view.as_ref() {
3517                                menu = menu
3518                                    .entry("Regenerate Thread Title", None, {
3519                                        let conversation_view = conversation_view.clone();
3520                                        move |_, cx| {
3521                                            Self::handle_regenerate_thread_title(
3522                                                conversation_view.clone(),
3523                                                cx,
3524                                            );
3525                                        }
3526                                    })
3527                                    .separator();
3528                            }
3529                        }
3530
3531                        menu = menu
3532                            .header("MCP Servers")
3533                            .action(
3534                                "View Server Extensions",
3535                                Box::new(zed_actions::Extensions {
3536                                    category_filter: Some(
3537                                        zed_actions::ExtensionCategoryFilter::ContextServers,
3538                                    ),
3539                                    id: None,
3540                                }),
3541                            )
3542                            .action("Add Custom Server…", Box::new(AddContextServer))
3543                            .separator()
3544                            .action("Rules", Box::new(OpenRulesLibrary::default()))
3545                            .action("Profiles", Box::new(ManageProfiles::default()))
3546                            .action("Settings", Box::new(OpenSettings))
3547                            .separator()
3548                            .action("Toggle Threads Sidebar", Box::new(ToggleWorkspaceSidebar))
3549                            .action(full_screen_label, Box::new(ToggleZoom));
3550
3551                        if has_auth_methods {
3552                            menu = menu.action("Reauthenticate", Box::new(ReauthenticateAgent))
3553                        }
3554
3555                        menu
3556                    }))
3557                }
3558            })
3559    }
3560
3561    fn render_recent_entries_menu(
3562        &self,
3563        icon: IconName,
3564        corner: Corner,
3565        cx: &mut Context<Self>,
3566    ) -> impl IntoElement {
3567        let focus_handle = self.focus_handle(cx);
3568
3569        PopoverMenu::new("agent-nav-menu")
3570            .trigger_with_tooltip(
3571                IconButton::new("agent-nav-menu", icon).icon_size(IconSize::Small),
3572                {
3573                    move |_window, cx| {
3574                        Tooltip::for_action_in(
3575                            "Toggle Recently Updated Threads",
3576                            &ToggleNavigationMenu,
3577                            &focus_handle,
3578                            cx,
3579                        )
3580                    }
3581                },
3582            )
3583            .anchor(corner)
3584            .with_handle(self.agent_navigation_menu_handle.clone())
3585            .menu({
3586                let menu = self.agent_navigation_menu.clone();
3587                move |window, cx| {
3588                    telemetry::event!("View Thread History Clicked");
3589
3590                    if let Some(menu) = menu.as_ref() {
3591                        menu.update(cx, |_, cx| {
3592                            cx.defer_in(window, |menu, window, cx| {
3593                                menu.rebuild(window, cx);
3594                            });
3595                        })
3596                    }
3597                    menu.clone()
3598                }
3599            })
3600    }
3601
3602    fn render_toolbar_back_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3603        let focus_handle = self.focus_handle(cx);
3604
3605        IconButton::new("go-back", IconName::ArrowLeft)
3606            .icon_size(IconSize::Small)
3607            .on_click(cx.listener(|this, _, window, cx| {
3608                this.go_back(&workspace::GoBack, window, cx);
3609            }))
3610            .tooltip({
3611                move |_window, cx| {
3612                    Tooltip::for_action_in("Go Back", &workspace::GoBack, &focus_handle, cx)
3613                }
3614            })
3615    }
3616
3617    fn project_has_git_repository(&self, cx: &App) -> bool {
3618        !self.project.read(cx).repositories(cx).is_empty()
3619    }
3620
3621    fn render_start_thread_in_selector(&self, cx: &mut Context<Self>) -> impl IntoElement {
3622        use settings::{NewThreadLocation, Settings};
3623
3624        let focus_handle = self.focus_handle(cx);
3625        let has_git_repo = self.project_has_git_repository(cx);
3626        let is_via_collab = self.project.read(cx).is_via_collab();
3627        let fs = self.fs.clone();
3628
3629        let is_creating = matches!(
3630            self.worktree_creation_status,
3631            Some(WorktreeCreationStatus::Creating)
3632        );
3633
3634        let current_target = self.start_thread_in;
3635        let trigger_label = self.start_thread_in.label();
3636
3637        let new_thread_location = AgentSettings::get_global(cx).new_thread_location;
3638        let is_local_default = new_thread_location == NewThreadLocation::LocalProject;
3639        let is_new_worktree_default = new_thread_location == NewThreadLocation::NewWorktree;
3640
3641        let icon = if self.start_thread_in_menu_handle.is_deployed() {
3642            IconName::ChevronUp
3643        } else {
3644            IconName::ChevronDown
3645        };
3646
3647        let trigger_button = Button::new("thread-target-trigger", trigger_label)
3648            .end_icon(Icon::new(icon).size(IconSize::XSmall).color(Color::Muted))
3649            .disabled(is_creating);
3650
3651        let dock_position = AgentSettings::get_global(cx).dock;
3652        let documentation_side = match dock_position {
3653            settings::DockPosition::Left => DocumentationSide::Right,
3654            settings::DockPosition::Bottom | settings::DockPosition::Right => {
3655                DocumentationSide::Left
3656            }
3657        };
3658
3659        PopoverMenu::new("thread-target-selector")
3660            .trigger_with_tooltip(trigger_button, {
3661                move |_window, cx| {
3662                    Tooltip::for_action_in(
3663                        "Start Thread In…",
3664                        &CycleStartThreadIn,
3665                        &focus_handle,
3666                        cx,
3667                    )
3668                }
3669            })
3670            .menu(move |window, cx| {
3671                let is_local_selected = current_target == StartThreadIn::LocalProject;
3672                let is_new_worktree_selected = current_target == StartThreadIn::NewWorktree;
3673                let fs = fs.clone();
3674
3675                Some(ContextMenu::build(window, cx, move |menu, _window, _cx| {
3676                    let new_worktree_disabled = !has_git_repo || is_via_collab;
3677
3678                    menu.header("Start Thread In…")
3679                        .item(
3680                            ContextMenuEntry::new("Current Worktree")
3681                                .toggleable(IconPosition::End, is_local_selected)
3682                                .documentation_aside(documentation_side, move |_| {
3683                                    HoldForDefault::new(is_local_default)
3684                                        .more_content(false)
3685                                        .into_any_element()
3686                                })
3687                                .handler({
3688                                    let fs = fs.clone();
3689                                    move |window, cx| {
3690                                        if window.modifiers().secondary() {
3691                                            update_settings_file(fs.clone(), cx, |settings, _| {
3692                                                settings
3693                                                    .agent
3694                                                    .get_or_insert_default()
3695                                                    .set_new_thread_location(
3696                                                        NewThreadLocation::LocalProject,
3697                                                    );
3698                                            });
3699                                        }
3700                                        window.dispatch_action(
3701                                            Box::new(StartThreadIn::LocalProject),
3702                                            cx,
3703                                        );
3704                                    }
3705                                }),
3706                        )
3707                        .item({
3708                            let entry = ContextMenuEntry::new("New Git Worktree")
3709                                .toggleable(IconPosition::End, is_new_worktree_selected)
3710                                .disabled(new_worktree_disabled)
3711                                .handler({
3712                                    let fs = fs.clone();
3713                                    move |window, cx| {
3714                                        if window.modifiers().secondary() {
3715                                            update_settings_file(fs.clone(), cx, |settings, _| {
3716                                                settings
3717                                                    .agent
3718                                                    .get_or_insert_default()
3719                                                    .set_new_thread_location(
3720                                                        NewThreadLocation::NewWorktree,
3721                                                    );
3722                                            });
3723                                        }
3724                                        window.dispatch_action(
3725                                            Box::new(StartThreadIn::NewWorktree),
3726                                            cx,
3727                                        );
3728                                    }
3729                                });
3730
3731                            if new_worktree_disabled {
3732                                entry.documentation_aside(documentation_side, move |_| {
3733                                    let reason = if !has_git_repo {
3734                                        "No git repository found in this project."
3735                                    } else {
3736                                        "Not available for remote/collab projects yet."
3737                                    };
3738                                    Label::new(reason)
3739                                        .color(Color::Muted)
3740                                        .size(LabelSize::Small)
3741                                        .into_any_element()
3742                                })
3743                            } else {
3744                                entry.documentation_aside(documentation_side, move |_| {
3745                                    HoldForDefault::new(is_new_worktree_default)
3746                                        .more_content(false)
3747                                        .into_any_element()
3748                                })
3749                            }
3750                        })
3751                }))
3752            })
3753            .with_handle(self.start_thread_in_menu_handle.clone())
3754            .anchor(Corner::TopLeft)
3755            .offset(gpui::Point {
3756                x: px(1.0),
3757                y: px(1.0),
3758            })
3759    }
3760
3761    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3762        let agent_server_store = self.project.read(cx).agent_server_store().clone();
3763        let has_visible_worktrees = self.project.read(cx).visible_worktrees(cx).next().is_some();
3764        let focus_handle = self.focus_handle(cx);
3765
3766        let (selected_agent_custom_icon, selected_agent_label) =
3767            if let AgentType::Custom { id, .. } = &self.selected_agent_type {
3768                let store = agent_server_store.read(cx);
3769                let icon = store.agent_icon(&id);
3770
3771                let label = store
3772                    .agent_display_name(&id)
3773                    .unwrap_or_else(|| self.selected_agent_type.label());
3774                (icon, label)
3775            } else {
3776                (None, self.selected_agent_type.label())
3777            };
3778
3779        let active_thread = match &self.active_view {
3780            ActiveView::AgentThread { conversation_view } => {
3781                conversation_view.read(cx).as_native_thread(cx)
3782            }
3783            ActiveView::Uninitialized
3784            | ActiveView::TextThread { .. }
3785            | ActiveView::History { .. }
3786            | ActiveView::Configuration => None,
3787        };
3788
3789        let new_thread_menu_builder: Rc<
3790            dyn Fn(&mut Window, &mut App) -> Option<Entity<ContextMenu>>,
3791        > = {
3792            let selected_agent = self.selected_agent_type.clone();
3793            let is_agent_selected = move |agent_type: AgentType| selected_agent == agent_type;
3794
3795            let workspace = self.workspace.clone();
3796            let is_via_collab = workspace
3797                .update(cx, |workspace, cx| {
3798                    workspace.project().read(cx).is_via_collab()
3799                })
3800                .unwrap_or_default();
3801
3802            let focus_handle = focus_handle.clone();
3803            let agent_server_store = agent_server_store;
3804
3805            Rc::new(move |window, cx| {
3806                telemetry::event!("New Thread Clicked");
3807
3808                let active_thread = active_thread.clone();
3809                Some(ContextMenu::build(window, cx, |menu, _window, cx| {
3810                    menu.context(focus_handle.clone())
3811                        .when_some(active_thread, |this, active_thread| {
3812                            let thread = active_thread.read(cx);
3813
3814                            if !thread.is_empty() {
3815                                let session_id = thread.id().clone();
3816                                this.item(
3817                                    ContextMenuEntry::new("New From Summary")
3818                                        .icon(IconName::ThreadFromSummary)
3819                                        .icon_color(Color::Muted)
3820                                        .handler(move |window, cx| {
3821                                            window.dispatch_action(
3822                                                Box::new(NewNativeAgentThreadFromSummary {
3823                                                    from_session_id: session_id.clone(),
3824                                                }),
3825                                                cx,
3826                                            );
3827                                        }),
3828                                )
3829                            } else {
3830                                this
3831                            }
3832                        })
3833                        .item(
3834                            ContextMenuEntry::new("Zed Agent")
3835                                .when(
3836                                    is_agent_selected(AgentType::NativeAgent)
3837                                        | is_agent_selected(AgentType::TextThread),
3838                                    |this| {
3839                                        this.action(Box::new(NewExternalAgentThread {
3840                                            agent: None,
3841                                        }))
3842                                    },
3843                                )
3844                                .icon(IconName::ZedAgent)
3845                                .icon_color(Color::Muted)
3846                                .handler({
3847                                    let workspace = workspace.clone();
3848                                    move |window, cx| {
3849                                        if let Some(workspace) = workspace.upgrade() {
3850                                            workspace.update(cx, |workspace, cx| {
3851                                                if let Some(panel) =
3852                                                    workspace.panel::<AgentPanel>(cx)
3853                                                {
3854                                                    panel.update(cx, |panel, cx| {
3855                                                        panel.new_agent_thread(
3856                                                            AgentType::NativeAgent,
3857                                                            window,
3858                                                            cx,
3859                                                        );
3860                                                    });
3861                                                }
3862                                            });
3863                                        }
3864                                    }
3865                                }),
3866                        )
3867                        .item(
3868                            ContextMenuEntry::new("Text Thread")
3869                                .action(NewTextThread.boxed_clone())
3870                                .icon(IconName::TextThread)
3871                                .icon_color(Color::Muted)
3872                                .handler({
3873                                    let workspace = workspace.clone();
3874                                    move |window, cx| {
3875                                        if let Some(workspace) = workspace.upgrade() {
3876                                            workspace.update(cx, |workspace, cx| {
3877                                                if let Some(panel) =
3878                                                    workspace.panel::<AgentPanel>(cx)
3879                                                {
3880                                                    panel.update(cx, |panel, cx| {
3881                                                        panel.new_agent_thread(
3882                                                            AgentType::TextThread,
3883                                                            window,
3884                                                            cx,
3885                                                        );
3886                                                    });
3887                                                }
3888                                            });
3889                                        }
3890                                    }
3891                                }),
3892                        )
3893                        .map(|mut menu| {
3894                            let agent_server_store = agent_server_store.read(cx);
3895                            let registry_store = project::AgentRegistryStore::try_global(cx);
3896                            let registry_store_ref = registry_store.as_ref().map(|s| s.read(cx));
3897
3898                            struct AgentMenuItem {
3899                                id: AgentId,
3900                                display_name: SharedString,
3901                            }
3902
3903                            let agent_items = agent_server_store
3904                                .external_agents()
3905                                .map(|agent_id| {
3906                                    let display_name = agent_server_store
3907                                        .agent_display_name(agent_id)
3908                                        .or_else(|| {
3909                                            registry_store_ref
3910                                                .as_ref()
3911                                                .and_then(|store| store.agent(agent_id))
3912                                                .map(|a| a.name().clone())
3913                                        })
3914                                        .unwrap_or_else(|| agent_id.0.clone());
3915                                    AgentMenuItem {
3916                                        id: agent_id.clone(),
3917                                        display_name,
3918                                    }
3919                                })
3920                                .sorted_unstable_by_key(|e| e.display_name.to_lowercase())
3921                                .collect::<Vec<_>>();
3922
3923                            if !agent_items.is_empty() {
3924                                menu = menu.separator().header("External Agents");
3925                            }
3926                            for item in &agent_items {
3927                                let mut entry = ContextMenuEntry::new(item.display_name.clone());
3928
3929                                let icon_path =
3930                                    agent_server_store.agent_icon(&item.id).or_else(|| {
3931                                        registry_store_ref
3932                                            .as_ref()
3933                                            .and_then(|store| store.agent(&item.id))
3934                                            .and_then(|a| a.icon_path().cloned())
3935                                    });
3936
3937                                if let Some(icon_path) = icon_path {
3938                                    entry = entry.custom_icon_svg(icon_path);
3939                                } else {
3940                                    entry = entry.icon(IconName::Sparkle);
3941                                }
3942
3943                                entry = entry
3944                                    .when(
3945                                        is_agent_selected(AgentType::Custom {
3946                                            id: item.id.clone(),
3947                                        }),
3948                                        |this| {
3949                                            this.action(Box::new(NewExternalAgentThread {
3950                                                agent: None,
3951                                            }))
3952                                        },
3953                                    )
3954                                    .icon_color(Color::Muted)
3955                                    .disabled(is_via_collab)
3956                                    .handler({
3957                                        let workspace = workspace.clone();
3958                                        let agent_id = item.id.clone();
3959                                        move |window, cx| {
3960                                            if let Some(workspace) = workspace.upgrade() {
3961                                                workspace.update(cx, |workspace, cx| {
3962                                                    if let Some(panel) =
3963                                                        workspace.panel::<AgentPanel>(cx)
3964                                                    {
3965                                                        panel.update(cx, |panel, cx| {
3966                                                            panel.new_agent_thread(
3967                                                                AgentType::Custom {
3968                                                                    id: agent_id.clone(),
3969                                                                },
3970                                                                window,
3971                                                                cx,
3972                                                            );
3973                                                        });
3974                                                    }
3975                                                });
3976                                            }
3977                                        }
3978                                    });
3979
3980                                menu = menu.item(entry);
3981                            }
3982
3983                            menu
3984                        })
3985                        .separator()
3986                        .item(
3987                            ContextMenuEntry::new("Add More Agents")
3988                                .icon(IconName::Plus)
3989                                .icon_color(Color::Muted)
3990                                .handler({
3991                                    move |window, cx| {
3992                                        window
3993                                            .dispatch_action(Box::new(zed_actions::AcpRegistry), cx)
3994                                    }
3995                                }),
3996                        )
3997                }))
3998            })
3999        };
4000
4001        let is_thread_loading = self
4002            .active_conversation_view()
4003            .map(|thread| thread.read(cx).is_loading())
4004            .unwrap_or(false);
4005
4006        let has_custom_icon = selected_agent_custom_icon.is_some();
4007        let selected_agent_custom_icon_for_button = selected_agent_custom_icon.clone();
4008        let selected_agent_builtin_icon = self.selected_agent_type.icon();
4009        let selected_agent_label_for_tooltip = selected_agent_label.clone();
4010
4011        let selected_agent = div()
4012            .id("selected_agent_icon")
4013            .when_some(selected_agent_custom_icon, |this, icon_path| {
4014                this.px_1()
4015                    .child(Icon::from_external_svg(icon_path).color(Color::Muted))
4016            })
4017            .when(!has_custom_icon, |this| {
4018                this.when_some(self.selected_agent_type.icon(), |this, icon| {
4019                    this.px_1().child(Icon::new(icon).color(Color::Muted))
4020                })
4021            })
4022            .tooltip(move |_, cx| {
4023                Tooltip::with_meta(
4024                    selected_agent_label_for_tooltip.clone(),
4025                    None,
4026                    "Selected Agent",
4027                    cx,
4028                )
4029            });
4030
4031        let selected_agent = if is_thread_loading {
4032            selected_agent
4033                .with_animation(
4034                    "pulsating-icon",
4035                    Animation::new(Duration::from_secs(1))
4036                        .repeat()
4037                        .with_easing(pulsating_between(0.2, 0.6)),
4038                    |icon, delta| icon.opacity(delta),
4039                )
4040                .into_any_element()
4041        } else {
4042            selected_agent.into_any_element()
4043        };
4044
4045        let show_history_menu = self.has_history_for_selected_agent(cx);
4046        let has_v2_flag = cx.has_flag::<AgentV2FeatureFlag>();
4047        let is_empty_state = !self.active_thread_has_messages(cx);
4048
4049        let is_in_history_or_config = matches!(
4050            &self.active_view,
4051            ActiveView::History { .. } | ActiveView::Configuration
4052        );
4053
4054        let is_text_thread = matches!(&self.active_view, ActiveView::TextThread { .. });
4055
4056        let is_full_screen = self.is_zoomed(window, cx);
4057
4058        let use_v2_empty_toolbar =
4059            has_v2_flag && is_empty_state && !is_in_history_or_config && !is_text_thread;
4060
4061        let base_container = h_flex()
4062            .id("agent-panel-toolbar")
4063            .h(Tab::container_height(cx))
4064            .max_w_full()
4065            .flex_none()
4066            .justify_between()
4067            .gap_2()
4068            .bg(cx.theme().colors().tab_bar_background)
4069            .border_b_1()
4070            .border_color(cx.theme().colors().border);
4071
4072        if use_v2_empty_toolbar {
4073            let (chevron_icon, icon_color, label_color) =
4074                if self.new_thread_menu_handle.is_deployed() {
4075                    (IconName::ChevronUp, Color::Accent, Color::Accent)
4076                } else {
4077                    (IconName::ChevronDown, Color::Muted, Color::Default)
4078                };
4079
4080            let agent_icon = if let Some(icon_path) = selected_agent_custom_icon_for_button {
4081                Icon::from_external_svg(icon_path)
4082                    .size(IconSize::Small)
4083                    .color(icon_color)
4084            } else {
4085                let icon_name = selected_agent_builtin_icon.unwrap_or(IconName::ZedAgent);
4086                Icon::new(icon_name).size(IconSize::Small).color(icon_color)
4087            };
4088
4089            let agent_selector_button = Button::new("agent-selector-trigger", selected_agent_label)
4090                .start_icon(agent_icon)
4091                .color(label_color)
4092                .end_icon(
4093                    Icon::new(chevron_icon)
4094                        .color(icon_color)
4095                        .size(IconSize::XSmall),
4096                );
4097
4098            let agent_selector_menu = PopoverMenu::new("new_thread_menu")
4099                .trigger_with_tooltip(agent_selector_button, {
4100                    move |_window, cx| {
4101                        Tooltip::for_action_in(
4102                            "New Thread…",
4103                            &ToggleNewThreadMenu,
4104                            &focus_handle,
4105                            cx,
4106                        )
4107                    }
4108                })
4109                .menu({
4110                    let builder = new_thread_menu_builder.clone();
4111                    move |window, cx| builder(window, cx)
4112                })
4113                .with_handle(self.new_thread_menu_handle.clone())
4114                .anchor(Corner::TopLeft)
4115                .offset(gpui::Point {
4116                    x: px(1.0),
4117                    y: px(1.0),
4118                });
4119
4120            base_container
4121                .child(
4122                    h_flex()
4123                        .size_full()
4124                        .gap(DynamicSpacing::Base04.rems(cx))
4125                        .pl(DynamicSpacing::Base04.rems(cx))
4126                        .child(agent_selector_menu)
4127                        .when(
4128                            has_visible_worktrees && self.project_has_git_repository(cx),
4129                            |this| this.child(self.render_start_thread_in_selector(cx)),
4130                        ),
4131                )
4132                .child(
4133                    h_flex()
4134                        .h_full()
4135                        .flex_none()
4136                        .gap_1()
4137                        .pl_1()
4138                        .pr_1()
4139                        .when(show_history_menu && !has_v2_flag, |this| {
4140                            this.child(self.render_recent_entries_menu(
4141                                IconName::MenuAltTemp,
4142                                Corner::TopRight,
4143                                cx,
4144                            ))
4145                        })
4146                        .when(is_full_screen, |this| {
4147                            this.child(
4148                                IconButton::new("disable-full-screen", IconName::Minimize)
4149                                    .icon_size(IconSize::Small)
4150                                    .tooltip(move |_, cx| {
4151                                        Tooltip::for_action("Disable Full Screen", &ToggleZoom, cx)
4152                                    })
4153                                    .on_click({
4154                                        cx.listener(move |_, _, window, cx| {
4155                                            window.dispatch_action(ToggleZoom.boxed_clone(), cx);
4156                                        })
4157                                    }),
4158                            )
4159                        })
4160                        .child(self.render_panel_options_menu(window, cx)),
4161                )
4162                .into_any_element()
4163        } else {
4164            let new_thread_menu = PopoverMenu::new("new_thread_menu")
4165                .trigger_with_tooltip(
4166                    IconButton::new("new_thread_menu_btn", IconName::Plus)
4167                        .icon_size(IconSize::Small),
4168                    {
4169                        move |_window, cx| {
4170                            Tooltip::for_action_in(
4171                                "New Thread\u{2026}",
4172                                &ToggleNewThreadMenu,
4173                                &focus_handle,
4174                                cx,
4175                            )
4176                        }
4177                    },
4178                )
4179                .anchor(Corner::TopRight)
4180                .with_handle(self.new_thread_menu_handle.clone())
4181                .menu(move |window, cx| new_thread_menu_builder(window, cx));
4182
4183            base_container
4184                .child(
4185                    h_flex()
4186                        .size_full()
4187                        .gap(DynamicSpacing::Base04.rems(cx))
4188                        .pl(DynamicSpacing::Base04.rems(cx))
4189                        .child(match &self.active_view {
4190                            ActiveView::History { .. } | ActiveView::Configuration => {
4191                                self.render_toolbar_back_button(cx).into_any_element()
4192                            }
4193                            _ => selected_agent.into_any_element(),
4194                        })
4195                        .child(self.render_title_view(window, cx)),
4196                )
4197                .child(
4198                    h_flex()
4199                        .h_full()
4200                        .flex_none()
4201                        .gap_1()
4202                        .pl_1()
4203                        .pr_1()
4204                        .child(new_thread_menu)
4205                        .when(show_history_menu && !has_v2_flag, |this| {
4206                            this.child(self.render_recent_entries_menu(
4207                                IconName::MenuAltTemp,
4208                                Corner::TopRight,
4209                                cx,
4210                            ))
4211                        })
4212                        .when(is_full_screen, |this| {
4213                            this.child(
4214                                IconButton::new("disable-full-screen", IconName::Minimize)
4215                                    .icon_size(IconSize::Small)
4216                                    .tooltip(move |_, cx| {
4217                                        Tooltip::for_action("Disable Full Screen", &ToggleZoom, cx)
4218                                    })
4219                                    .on_click({
4220                                        cx.listener(move |_, _, window, cx| {
4221                                            window.dispatch_action(ToggleZoom.boxed_clone(), cx);
4222                                        })
4223                                    }),
4224                            )
4225                        })
4226                        .child(self.render_panel_options_menu(window, cx)),
4227                )
4228                .into_any_element()
4229        }
4230    }
4231
4232    fn render_worktree_creation_status(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4233        let status = self.worktree_creation_status.as_ref()?;
4234        match status {
4235            WorktreeCreationStatus::Creating => Some(
4236                h_flex()
4237                    .absolute()
4238                    .bottom_12()
4239                    .w_full()
4240                    .p_2()
4241                    .gap_1()
4242                    .justify_center()
4243                    .bg(cx.theme().colors().editor_background)
4244                    .child(
4245                        Icon::new(IconName::LoadCircle)
4246                            .size(IconSize::Small)
4247                            .color(Color::Muted)
4248                            .with_rotate_animation(3),
4249                    )
4250                    .child(
4251                        Label::new("Creating Worktree…")
4252                            .color(Color::Muted)
4253                            .size(LabelSize::Small),
4254                    )
4255                    .into_any_element(),
4256            ),
4257            WorktreeCreationStatus::Error(message) => Some(
4258                Callout::new()
4259                    .icon(IconName::Warning)
4260                    .severity(Severity::Warning)
4261                    .title(message.clone())
4262                    .into_any_element(),
4263            ),
4264        }
4265    }
4266
4267    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
4268        if TrialEndUpsell::dismissed(cx) {
4269            return false;
4270        }
4271
4272        match &self.active_view {
4273            ActiveView::TextThread { .. } => {
4274                if LanguageModelRegistry::global(cx)
4275                    .read(cx)
4276                    .default_model()
4277                    .is_some_and(|model| {
4278                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
4279                    })
4280                {
4281                    return false;
4282                }
4283            }
4284            ActiveView::Uninitialized
4285            | ActiveView::AgentThread { .. }
4286            | ActiveView::History { .. }
4287            | ActiveView::Configuration => return false,
4288        }
4289
4290        let plan = self.user_store.read(cx).plan();
4291        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
4292
4293        plan.is_some_and(|plan| plan == Plan::ZedFree) && has_previous_trial
4294    }
4295
4296    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
4297        if self.on_boarding_upsell_dismissed.load(Ordering::Acquire) {
4298            return false;
4299        }
4300
4301        let user_store = self.user_store.read(cx);
4302
4303        if user_store.plan().is_some_and(|plan| plan == Plan::ZedPro)
4304            && user_store
4305                .subscription_period()
4306                .and_then(|period| period.0.checked_add_days(chrono::Days::new(1)))
4307                .is_some_and(|date| date < chrono::Utc::now())
4308        {
4309            OnboardingUpsell::set_dismissed(true, cx);
4310            self.on_boarding_upsell_dismissed
4311                .store(true, Ordering::Release);
4312            return false;
4313        }
4314
4315        let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
4316            .visible_providers()
4317            .iter()
4318            .any(|provider| {
4319                provider.is_authenticated(cx)
4320                    && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
4321            });
4322
4323        match &self.active_view {
4324            ActiveView::Uninitialized | ActiveView::History { .. } | ActiveView::Configuration => {
4325                false
4326            }
4327            ActiveView::AgentThread {
4328                conversation_view, ..
4329            } if conversation_view.read(cx).as_native_thread(cx).is_none() => false,
4330            ActiveView::AgentThread { conversation_view } => {
4331                let history_is_empty = conversation_view
4332                    .read(cx)
4333                    .history()
4334                    .is_none_or(|h| h.read(cx).is_empty());
4335                history_is_empty || !has_configured_non_zed_providers
4336            }
4337            ActiveView::TextThread { .. } => {
4338                let history_is_empty = self.text_thread_history.read(cx).is_empty();
4339                history_is_empty || !has_configured_non_zed_providers
4340            }
4341        }
4342    }
4343
4344    fn render_onboarding(
4345        &self,
4346        _window: &mut Window,
4347        cx: &mut Context<Self>,
4348    ) -> Option<impl IntoElement> {
4349        if !self.should_render_onboarding(cx) {
4350            return None;
4351        }
4352
4353        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
4354
4355        Some(
4356            div()
4357                .when(text_thread_view, |this| {
4358                    this.bg(cx.theme().colors().editor_background)
4359                })
4360                .child(self.onboarding.clone()),
4361        )
4362    }
4363
4364    fn render_trial_end_upsell(
4365        &self,
4366        _window: &mut Window,
4367        cx: &mut Context<Self>,
4368    ) -> Option<impl IntoElement> {
4369        if !self.should_render_trial_end_upsell(cx) {
4370            return None;
4371        }
4372
4373        Some(
4374            v_flex()
4375                .absolute()
4376                .inset_0()
4377                .size_full()
4378                .bg(cx.theme().colors().panel_background)
4379                .opacity(0.85)
4380                .block_mouse_except_scroll()
4381                .child(EndTrialUpsell::new(Arc::new({
4382                    let this = cx.entity();
4383                    move |_, cx| {
4384                        this.update(cx, |_this, cx| {
4385                            TrialEndUpsell::set_dismissed(true, cx);
4386                            cx.notify();
4387                        });
4388                    }
4389                }))),
4390        )
4391    }
4392
4393    fn emit_configuration_error_telemetry_if_needed(
4394        &mut self,
4395        configuration_error: Option<&ConfigurationError>,
4396    ) {
4397        let error_kind = configuration_error.map(|err| match err {
4398            ConfigurationError::NoProvider => "no_provider",
4399            ConfigurationError::ModelNotFound => "model_not_found",
4400            ConfigurationError::ProviderNotAuthenticated(_) => "provider_not_authenticated",
4401        });
4402
4403        let error_kind_string = error_kind.map(String::from);
4404
4405        if self.last_configuration_error_telemetry == error_kind_string {
4406            return;
4407        }
4408
4409        self.last_configuration_error_telemetry = error_kind_string;
4410
4411        if let Some(kind) = error_kind {
4412            let message = configuration_error
4413                .map(|err| err.to_string())
4414                .unwrap_or_default();
4415
4416            telemetry::event!("Agent Panel Error Shown", kind = kind, message = message,);
4417        }
4418    }
4419
4420    fn render_configuration_error(
4421        &self,
4422        border_bottom: bool,
4423        configuration_error: &ConfigurationError,
4424        focus_handle: &FocusHandle,
4425        cx: &mut App,
4426    ) -> impl IntoElement {
4427        let zed_provider_configured = AgentSettings::get_global(cx)
4428            .default_model
4429            .as_ref()
4430            .is_some_and(|selection| selection.provider.0.as_str() == "zed.dev");
4431
4432        let callout = if zed_provider_configured {
4433            Callout::new()
4434                .icon(IconName::Warning)
4435                .severity(Severity::Warning)
4436                .when(border_bottom, |this| {
4437                    this.border_position(ui::BorderPosition::Bottom)
4438                })
4439                .title("Sign in to continue using Zed as your LLM provider.")
4440                .actions_slot(
4441                    Button::new("sign_in", "Sign In")
4442                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
4443                        .label_size(LabelSize::Small)
4444                        .on_click({
4445                            let workspace = self.workspace.clone();
4446                            move |_, _, cx| {
4447                                let Ok(client) =
4448                                    workspace.update(cx, |workspace, _| workspace.client().clone())
4449                                else {
4450                                    return;
4451                                };
4452
4453                                cx.spawn(async move |cx| {
4454                                    client.sign_in_with_optional_connect(true, cx).await
4455                                })
4456                                .detach_and_log_err(cx);
4457                            }
4458                        }),
4459                )
4460        } else {
4461            Callout::new()
4462                .icon(IconName::Warning)
4463                .severity(Severity::Warning)
4464                .when(border_bottom, |this| {
4465                    this.border_position(ui::BorderPosition::Bottom)
4466                })
4467                .title(configuration_error.to_string())
4468                .actions_slot(
4469                    Button::new("settings", "Configure")
4470                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
4471                        .label_size(LabelSize::Small)
4472                        .key_binding(
4473                            KeyBinding::for_action_in(&OpenSettings, focus_handle, cx)
4474                                .map(|kb| kb.size(rems_from_px(12.))),
4475                        )
4476                        .on_click(|_event, window, cx| {
4477                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
4478                        }),
4479                )
4480        };
4481
4482        match configuration_error {
4483            ConfigurationError::ModelNotFound
4484            | ConfigurationError::ProviderNotAuthenticated(_)
4485            | ConfigurationError::NoProvider => callout.into_any_element(),
4486        }
4487    }
4488
4489    fn render_text_thread(
4490        &self,
4491        text_thread_editor: &Entity<TextThreadEditor>,
4492        buffer_search_bar: &Entity<BufferSearchBar>,
4493        window: &mut Window,
4494        cx: &mut Context<Self>,
4495    ) -> Div {
4496        let mut registrar = buffer_search::DivRegistrar::new(
4497            |this, _, _cx| match &this.active_view {
4498                ActiveView::TextThread {
4499                    buffer_search_bar, ..
4500                } => Some(buffer_search_bar.clone()),
4501                _ => None,
4502            },
4503            cx,
4504        );
4505        BufferSearchBar::register(&mut registrar);
4506        registrar
4507            .into_div()
4508            .size_full()
4509            .relative()
4510            .map(|parent| {
4511                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
4512                    if buffer_search_bar.is_dismissed() {
4513                        return parent;
4514                    }
4515                    parent.child(
4516                        div()
4517                            .p(DynamicSpacing::Base08.rems(cx))
4518                            .border_b_1()
4519                            .border_color(cx.theme().colors().border_variant)
4520                            .bg(cx.theme().colors().editor_background)
4521                            .child(buffer_search_bar.render(window, cx)),
4522                    )
4523                })
4524            })
4525            .child(text_thread_editor.clone())
4526            .child(self.render_drag_target(cx))
4527    }
4528
4529    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
4530        let is_local = self.project.read(cx).is_local();
4531        div()
4532            .invisible()
4533            .absolute()
4534            .top_0()
4535            .right_0()
4536            .bottom_0()
4537            .left_0()
4538            .bg(cx.theme().colors().drop_target_background)
4539            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
4540            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
4541            .when(is_local, |this| {
4542                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
4543            })
4544            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
4545                let item = tab.pane.read(cx).item_for_index(tab.ix);
4546                let project_paths = item
4547                    .and_then(|item| item.project_path(cx))
4548                    .into_iter()
4549                    .collect::<Vec<_>>();
4550                this.handle_drop(project_paths, vec![], window, cx);
4551            }))
4552            .on_drop(
4553                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
4554                    let project_paths = selection
4555                        .items()
4556                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
4557                        .collect::<Vec<_>>();
4558                    this.handle_drop(project_paths, vec![], window, cx);
4559                }),
4560            )
4561            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
4562                let tasks = paths
4563                    .paths()
4564                    .iter()
4565                    .map(|path| {
4566                        Workspace::project_path_for_path(this.project.clone(), path, false, cx)
4567                    })
4568                    .collect::<Vec<_>>();
4569                cx.spawn_in(window, async move |this, cx| {
4570                    let mut paths = vec![];
4571                    let mut added_worktrees = vec![];
4572                    let opened_paths = futures::future::join_all(tasks).await;
4573                    for entry in opened_paths {
4574                        if let Some((worktree, project_path)) = entry.log_err() {
4575                            added_worktrees.push(worktree);
4576                            paths.push(project_path);
4577                        }
4578                    }
4579                    this.update_in(cx, |this, window, cx| {
4580                        this.handle_drop(paths, added_worktrees, window, cx);
4581                    })
4582                    .ok();
4583                })
4584                .detach();
4585            }))
4586    }
4587
4588    fn handle_drop(
4589        &mut self,
4590        paths: Vec<ProjectPath>,
4591        added_worktrees: Vec<Entity<Worktree>>,
4592        window: &mut Window,
4593        cx: &mut Context<Self>,
4594    ) {
4595        match &self.active_view {
4596            ActiveView::AgentThread { conversation_view } => {
4597                conversation_view.update(cx, |conversation_view, cx| {
4598                    conversation_view.insert_dragged_files(paths, added_worktrees, window, cx);
4599                });
4600            }
4601            ActiveView::TextThread {
4602                text_thread_editor, ..
4603            } => {
4604                text_thread_editor.update(cx, |text_thread_editor, cx| {
4605                    TextThreadEditor::insert_dragged_files(
4606                        text_thread_editor,
4607                        paths,
4608                        added_worktrees,
4609                        window,
4610                        cx,
4611                    );
4612                });
4613            }
4614            ActiveView::Uninitialized | ActiveView::History { .. } | ActiveView::Configuration => {}
4615        }
4616    }
4617
4618    fn render_workspace_trust_message(&self, cx: &Context<Self>) -> Option<impl IntoElement> {
4619        if !self.show_trust_workspace_message {
4620            return None;
4621        }
4622
4623        let description = "To protect your system, third-party code—like MCP servers—won't run until you mark this workspace as safe.";
4624
4625        Some(
4626            Callout::new()
4627                .icon(IconName::Warning)
4628                .severity(Severity::Warning)
4629                .border_position(ui::BorderPosition::Bottom)
4630                .title("You're in Restricted Mode")
4631                .description(description)
4632                .actions_slot(
4633                    Button::new("open-trust-modal", "Configure Project Trust")
4634                        .label_size(LabelSize::Small)
4635                        .style(ButtonStyle::Outlined)
4636                        .on_click({
4637                            cx.listener(move |this, _, window, cx| {
4638                                this.workspace
4639                                    .update(cx, |workspace, cx| {
4640                                        workspace
4641                                            .show_worktree_trust_security_modal(true, window, cx)
4642                                    })
4643                                    .log_err();
4644                            })
4645                        }),
4646                ),
4647        )
4648    }
4649
4650    fn key_context(&self) -> KeyContext {
4651        let mut key_context = KeyContext::new_with_defaults();
4652        key_context.add("AgentPanel");
4653        match &self.active_view {
4654            ActiveView::AgentThread { .. } => key_context.add("acp_thread"),
4655            ActiveView::TextThread { .. } => key_context.add("text_thread"),
4656            ActiveView::Uninitialized | ActiveView::History { .. } | ActiveView::Configuration => {}
4657        }
4658        key_context
4659    }
4660}
4661
4662impl Render for AgentPanel {
4663    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4664        // WARNING: Changes to this element hierarchy can have
4665        // non-obvious implications to the layout of children.
4666        //
4667        // If you need to change it, please confirm:
4668        // - The message editor expands (cmd-option-esc) correctly
4669        // - When expanded, the buttons at the bottom of the panel are displayed correctly
4670        // - Font size works as expected and can be changed with cmd-+/cmd-
4671        // - Scrolling in all views works as expected
4672        // - Files can be dropped into the panel
4673        let content = v_flex()
4674            .relative()
4675            .size_full()
4676            .justify_between()
4677            .key_context(self.key_context())
4678            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
4679                this.new_thread(action, window, cx);
4680            }))
4681            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
4682                this.open_history(window, cx);
4683            }))
4684            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
4685                this.open_configuration(window, cx);
4686            }))
4687            .on_action(cx.listener(Self::open_active_thread_as_markdown))
4688            .on_action(cx.listener(Self::deploy_rules_library))
4689            .on_action(cx.listener(Self::go_back))
4690            .on_action(cx.listener(Self::toggle_navigation_menu))
4691            .on_action(cx.listener(Self::toggle_options_menu))
4692            .on_action(cx.listener(Self::increase_font_size))
4693            .on_action(cx.listener(Self::decrease_font_size))
4694            .on_action(cx.listener(Self::reset_font_size))
4695            .on_action(cx.listener(Self::toggle_zoom))
4696            .on_action(cx.listener(|this, _: &ReauthenticateAgent, window, cx| {
4697                if let Some(conversation_view) = this.active_conversation_view() {
4698                    conversation_view.update(cx, |conversation_view, cx| {
4699                        conversation_view.reauthenticate(window, cx)
4700                    })
4701                }
4702            }))
4703            .child(self.render_toolbar(window, cx))
4704            .children(self.render_workspace_trust_message(cx))
4705            .children(self.render_onboarding(window, cx))
4706            .map(|parent| {
4707                // Emit configuration error telemetry before entering the match to avoid borrow conflicts
4708                if matches!(&self.active_view, ActiveView::TextThread { .. }) {
4709                    let model_registry = LanguageModelRegistry::read_global(cx);
4710                    let configuration_error =
4711                        model_registry.configuration_error(model_registry.default_model(), cx);
4712                    self.emit_configuration_error_telemetry_if_needed(configuration_error.as_ref());
4713                }
4714
4715                match &self.active_view {
4716                    ActiveView::Uninitialized => parent,
4717                    ActiveView::AgentThread {
4718                        conversation_view, ..
4719                    } => parent
4720                        .child(conversation_view.clone())
4721                        .child(self.render_drag_target(cx)),
4722                    ActiveView::History { history: kind } => match kind {
4723                        History::AgentThreads { view } => parent.child(view.clone()),
4724                        History::TextThreads => parent.child(self.text_thread_history.clone()),
4725                    },
4726                    ActiveView::TextThread {
4727                        text_thread_editor,
4728                        buffer_search_bar,
4729                        ..
4730                    } => {
4731                        let model_registry = LanguageModelRegistry::read_global(cx);
4732                        let configuration_error =
4733                            model_registry.configuration_error(model_registry.default_model(), cx);
4734
4735                        parent
4736                            .map(|this| {
4737                                if !self.should_render_onboarding(cx)
4738                                    && let Some(err) = configuration_error.as_ref()
4739                                {
4740                                    this.child(self.render_configuration_error(
4741                                        true,
4742                                        err,
4743                                        &self.focus_handle(cx),
4744                                        cx,
4745                                    ))
4746                                } else {
4747                                    this
4748                                }
4749                            })
4750                            .child(self.render_text_thread(
4751                                text_thread_editor,
4752                                buffer_search_bar,
4753                                window,
4754                                cx,
4755                            ))
4756                    }
4757                    ActiveView::Configuration => parent.children(self.configuration.clone()),
4758                }
4759            })
4760            .children(self.render_worktree_creation_status(cx))
4761            .children(self.render_trial_end_upsell(window, cx));
4762
4763        match self.active_view.which_font_size_used() {
4764            WhichFontSize::AgentFont => {
4765                WithRemSize::new(ThemeSettings::get_global(cx).agent_ui_font_size(cx))
4766                    .size_full()
4767                    .child(content)
4768                    .into_any()
4769            }
4770            _ => content.into_any(),
4771        }
4772    }
4773}
4774
4775struct PromptLibraryInlineAssist {
4776    workspace: WeakEntity<Workspace>,
4777}
4778
4779impl PromptLibraryInlineAssist {
4780    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
4781        Self { workspace }
4782    }
4783}
4784
4785impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
4786    fn assist(
4787        &self,
4788        prompt_editor: &Entity<Editor>,
4789        initial_prompt: Option<String>,
4790        window: &mut Window,
4791        cx: &mut Context<RulesLibrary>,
4792    ) {
4793        InlineAssistant::update_global(cx, |assistant, cx| {
4794            let Some(workspace) = self.workspace.upgrade() else {
4795                return;
4796            };
4797            let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) else {
4798                return;
4799            };
4800            let history = panel
4801                .read(cx)
4802                .connection_store()
4803                .read(cx)
4804                .entry(&crate::Agent::NativeAgent)
4805                .and_then(|s| s.read(cx).history())
4806                .map(|h| h.downgrade());
4807            let project = workspace.read(cx).project().downgrade();
4808            let panel = panel.read(cx);
4809            let thread_store = panel.thread_store().clone();
4810            assistant.assist(
4811                prompt_editor,
4812                self.workspace.clone(),
4813                project,
4814                thread_store,
4815                None,
4816                history,
4817                initial_prompt,
4818                window,
4819                cx,
4820            );
4821        })
4822    }
4823
4824    fn focus_agent_panel(
4825        &self,
4826        workspace: &mut Workspace,
4827        window: &mut Window,
4828        cx: &mut Context<Workspace>,
4829    ) -> bool {
4830        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
4831    }
4832}
4833
4834pub struct ConcreteAssistantPanelDelegate;
4835
4836impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
4837    fn active_text_thread_editor(
4838        &self,
4839        workspace: &mut Workspace,
4840        _window: &mut Window,
4841        cx: &mut Context<Workspace>,
4842    ) -> Option<Entity<TextThreadEditor>> {
4843        let panel = workspace.panel::<AgentPanel>(cx)?;
4844        panel.read(cx).active_text_thread_editor()
4845    }
4846
4847    fn open_local_text_thread(
4848        &self,
4849        workspace: &mut Workspace,
4850        path: Arc<Path>,
4851        window: &mut Window,
4852        cx: &mut Context<Workspace>,
4853    ) -> Task<Result<()>> {
4854        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
4855            return Task::ready(Err(anyhow!("Agent panel not found")));
4856        };
4857
4858        panel.update(cx, |panel, cx| {
4859            panel.open_saved_text_thread(path, window, cx)
4860        })
4861    }
4862
4863    fn open_remote_text_thread(
4864        &self,
4865        _workspace: &mut Workspace,
4866        _text_thread_id: assistant_text_thread::TextThreadId,
4867        _window: &mut Window,
4868        _cx: &mut Context<Workspace>,
4869    ) -> Task<Result<Entity<TextThreadEditor>>> {
4870        Task::ready(Err(anyhow!("opening remote context not implemented")))
4871    }
4872
4873    fn quote_selection(
4874        &self,
4875        workspace: &mut Workspace,
4876        selection_ranges: Vec<Range<Anchor>>,
4877        buffer: Entity<MultiBuffer>,
4878        window: &mut Window,
4879        cx: &mut Context<Workspace>,
4880    ) {
4881        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
4882            return;
4883        };
4884
4885        if !panel.focus_handle(cx).contains_focused(window, cx) {
4886            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
4887        }
4888
4889        panel.update(cx, |_, cx| {
4890            // Wait to create a new context until the workspace is no longer
4891            // being updated.
4892            cx.defer_in(window, move |panel, window, cx| {
4893                if let Some(conversation_view) = panel.active_conversation_view() {
4894                    conversation_view.update(cx, |conversation_view, cx| {
4895                        conversation_view.insert_selections(window, cx);
4896                    });
4897                } else if let Some(text_thread_editor) = panel.active_text_thread_editor() {
4898                    let snapshot = buffer.read(cx).snapshot(cx);
4899                    let selection_ranges = selection_ranges
4900                        .into_iter()
4901                        .map(|range| range.to_point(&snapshot))
4902                        .collect::<Vec<_>>();
4903
4904                    text_thread_editor.update(cx, |text_thread_editor, cx| {
4905                        text_thread_editor.quote_ranges(selection_ranges, snapshot, window, cx)
4906                    });
4907                }
4908            });
4909        });
4910    }
4911
4912    fn quote_terminal_text(
4913        &self,
4914        workspace: &mut Workspace,
4915        text: String,
4916        window: &mut Window,
4917        cx: &mut Context<Workspace>,
4918    ) {
4919        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
4920            return;
4921        };
4922
4923        if !panel.focus_handle(cx).contains_focused(window, cx) {
4924            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
4925        }
4926
4927        panel.update(cx, |_, cx| {
4928            // Wait to create a new context until the workspace is no longer
4929            // being updated.
4930            cx.defer_in(window, move |panel, window, cx| {
4931                if let Some(conversation_view) = panel.active_conversation_view() {
4932                    conversation_view.update(cx, |conversation_view, cx| {
4933                        conversation_view.insert_terminal_text(text, window, cx);
4934                    });
4935                } else if let Some(text_thread_editor) = panel.active_text_thread_editor() {
4936                    text_thread_editor.update(cx, |text_thread_editor, cx| {
4937                        text_thread_editor.quote_terminal_text(text, window, cx)
4938                    });
4939                }
4940            });
4941        });
4942    }
4943}
4944
4945struct OnboardingUpsell;
4946
4947impl Dismissable for OnboardingUpsell {
4948    const KEY: &'static str = "dismissed-trial-upsell";
4949}
4950
4951struct TrialEndUpsell;
4952
4953impl Dismissable for TrialEndUpsell {
4954    const KEY: &'static str = "dismissed-trial-end-upsell";
4955}
4956
4957/// Test-only helper methods
4958#[cfg(any(test, feature = "test-support"))]
4959impl AgentPanel {
4960    pub fn test_new(
4961        workspace: &Workspace,
4962        text_thread_store: Entity<assistant_text_thread::TextThreadStore>,
4963        window: &mut Window,
4964        cx: &mut Context<Self>,
4965    ) -> Self {
4966        Self::new(workspace, text_thread_store, None, window, cx)
4967    }
4968
4969    /// Opens an external thread using an arbitrary AgentServer.
4970    ///
4971    /// This is a test-only helper that allows visual tests and integration tests
4972    /// to inject a stub server without modifying production code paths.
4973    /// Not compiled into production builds.
4974    pub fn open_external_thread_with_server(
4975        &mut self,
4976        server: Rc<dyn AgentServer>,
4977        window: &mut Window,
4978        cx: &mut Context<Self>,
4979    ) {
4980        let workspace = self.workspace.clone();
4981        let project = self.project.clone();
4982
4983        let ext_agent = Agent::Custom {
4984            id: server.agent_id(),
4985        };
4986
4987        self.create_agent_thread(
4988            server, None, None, None, None, workspace, project, ext_agent, true, window, cx,
4989        );
4990    }
4991
4992    /// Returns the currently active thread view, if any.
4993    ///
4994    /// This is a test-only accessor that exposes the private `active_thread_view()`
4995    /// method for test assertions. Not compiled into production builds.
4996    pub fn active_thread_view_for_tests(&self) -> Option<&Entity<ConversationView>> {
4997        self.active_conversation_view()
4998    }
4999
5000    /// Sets the start_thread_in value directly, bypassing validation.
5001    ///
5002    /// This is a test-only helper for visual tests that need to show specific
5003    /// start_thread_in states without requiring a real git repository.
5004    pub fn set_start_thread_in_for_tests(&mut self, target: StartThreadIn, cx: &mut Context<Self>) {
5005        self.start_thread_in = target;
5006        cx.notify();
5007    }
5008
5009    /// Returns the current worktree creation status.
5010    ///
5011    /// This is a test-only helper for visual tests.
5012    pub fn worktree_creation_status_for_tests(&self) -> Option<&WorktreeCreationStatus> {
5013        self.worktree_creation_status.as_ref()
5014    }
5015
5016    /// Sets the worktree creation status directly.
5017    ///
5018    /// This is a test-only helper for visual tests that need to show the
5019    /// "Creating worktree…" spinner or error banners.
5020    pub fn set_worktree_creation_status_for_tests(
5021        &mut self,
5022        status: Option<WorktreeCreationStatus>,
5023        cx: &mut Context<Self>,
5024    ) {
5025        self.worktree_creation_status = status;
5026        cx.notify();
5027    }
5028
5029    /// Opens the history view.
5030    ///
5031    /// This is a test-only helper that exposes the private `open_history()`
5032    /// method for visual tests.
5033    pub fn open_history_for_tests(&mut self, window: &mut Window, cx: &mut Context<Self>) {
5034        self.open_history(window, cx);
5035    }
5036
5037    /// Opens the start_thread_in selector popover menu.
5038    ///
5039    /// This is a test-only helper for visual tests.
5040    pub fn open_start_thread_in_menu_for_tests(
5041        &mut self,
5042        window: &mut Window,
5043        cx: &mut Context<Self>,
5044    ) {
5045        self.start_thread_in_menu_handle.show(window, cx);
5046    }
5047
5048    /// Dismisses the start_thread_in dropdown menu.
5049    ///
5050    /// This is a test-only helper for visual tests.
5051    pub fn close_start_thread_in_menu_for_tests(&mut self, cx: &mut Context<Self>) {
5052        self.start_thread_in_menu_handle.hide(cx);
5053    }
5054}
5055
5056#[cfg(test)]
5057mod tests {
5058    use super::*;
5059    use crate::conversation_view::tests::{StubAgentServer, init_test};
5060    use crate::test_support::{
5061        active_session_id, open_thread_with_connection, open_thread_with_custom_connection,
5062        send_message,
5063    };
5064    use acp_thread::{StubAgentConnection, ThreadStatus};
5065    use agent_servers::CODEX_ID;
5066    use assistant_text_thread::TextThreadStore;
5067    use feature_flags::FeatureFlagAppExt;
5068    use fs::FakeFs;
5069    use gpui::{TestAppContext, VisualTestContext};
5070    use project::Project;
5071    use serde_json::json;
5072    use std::time::Instant;
5073    use workspace::MultiWorkspace;
5074
5075    #[gpui::test]
5076    async fn test_active_thread_serialize_and_load_round_trip(cx: &mut TestAppContext) {
5077        init_test(cx);
5078        cx.update(|cx| {
5079            cx.update_flags(true, vec!["agent-v2".to_string()]);
5080            agent::ThreadStore::init_global(cx);
5081            language_model::LanguageModelRegistry::test(cx);
5082        });
5083
5084        // --- Create a MultiWorkspace window with two workspaces ---
5085        let fs = FakeFs::new(cx.executor());
5086        let project_a = Project::test(fs.clone(), [], cx).await;
5087        let project_b = Project::test(fs, [], cx).await;
5088
5089        let multi_workspace =
5090            cx.add_window(|window, cx| MultiWorkspace::test_new(project_a.clone(), window, cx));
5091
5092        let workspace_a = multi_workspace
5093            .read_with(cx, |multi_workspace, _cx| {
5094                multi_workspace.workspace().clone()
5095            })
5096            .unwrap();
5097
5098        let workspace_b = multi_workspace
5099            .update(cx, |multi_workspace, window, cx| {
5100                multi_workspace.test_add_workspace(project_b.clone(), window, cx)
5101            })
5102            .unwrap();
5103
5104        workspace_a.update(cx, |workspace, _cx| {
5105            workspace.set_random_database_id();
5106        });
5107        workspace_b.update(cx, |workspace, _cx| {
5108            workspace.set_random_database_id();
5109        });
5110
5111        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
5112
5113        // --- Set up workspace A: with an active thread ---
5114        let panel_a = workspace_a.update_in(cx, |workspace, window, cx| {
5115            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project_a.clone(), cx));
5116            cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx))
5117        });
5118
5119        panel_a.update_in(cx, |panel, window, cx| {
5120            panel.open_external_thread_with_server(
5121                Rc::new(StubAgentServer::default_response()),
5122                window,
5123                cx,
5124            );
5125        });
5126
5127        cx.run_until_parked();
5128
5129        panel_a.read_with(cx, |panel, cx| {
5130            assert!(
5131                panel.active_agent_thread(cx).is_some(),
5132                "workspace A should have an active thread after connection"
5133            );
5134        });
5135
5136        let agent_type_a = panel_a.read_with(cx, |panel, _cx| panel.selected_agent_type.clone());
5137
5138        // --- Set up workspace B: ClaudeCode, no active thread ---
5139        let panel_b = workspace_b.update_in(cx, |workspace, window, cx| {
5140            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project_b.clone(), cx));
5141            cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx))
5142        });
5143
5144        panel_b.update(cx, |panel, _cx| {
5145            panel.selected_agent_type = AgentType::Custom {
5146                id: "claude-acp".into(),
5147            };
5148        });
5149
5150        // --- Serialize both panels ---
5151        panel_a.update(cx, |panel, cx| panel.serialize(cx));
5152        panel_b.update(cx, |panel, cx| panel.serialize(cx));
5153        cx.run_until_parked();
5154
5155        // --- Load fresh panels for each workspace and verify independent state ---
5156        let prompt_builder = Arc::new(prompt_store::PromptBuilder::new(None).unwrap());
5157
5158        let async_cx = cx.update(|window, cx| window.to_async(cx));
5159        let loaded_a = AgentPanel::load(workspace_a.downgrade(), prompt_builder.clone(), async_cx)
5160            .await
5161            .expect("panel A load should succeed");
5162        cx.run_until_parked();
5163
5164        let async_cx = cx.update(|window, cx| window.to_async(cx));
5165        let loaded_b = AgentPanel::load(workspace_b.downgrade(), prompt_builder.clone(), async_cx)
5166            .await
5167            .expect("panel B load should succeed");
5168        cx.run_until_parked();
5169
5170        // Workspace A should restore its thread and agent type
5171        loaded_a.read_with(cx, |panel, _cx| {
5172            assert_eq!(
5173                panel.selected_agent_type, agent_type_a,
5174                "workspace A agent type should be restored"
5175            );
5176            assert!(
5177                panel.active_conversation_view().is_some(),
5178                "workspace A should have its active thread restored"
5179            );
5180        });
5181
5182        // Workspace B should restore its own agent type, with no thread
5183        loaded_b.read_with(cx, |panel, _cx| {
5184            assert_eq!(
5185                panel.selected_agent_type,
5186                AgentType::Custom {
5187                    id: "claude-acp".into()
5188                },
5189                "workspace B agent type should be restored"
5190            );
5191            assert!(
5192                panel.active_conversation_view().is_none(),
5193                "workspace B should have no active thread"
5194            );
5195        });
5196    }
5197
5198    // Simple regression test
5199    #[gpui::test]
5200    async fn test_new_text_thread_action_handler(cx: &mut TestAppContext) {
5201        init_test(cx);
5202
5203        let fs = FakeFs::new(cx.executor());
5204
5205        cx.update(|cx| {
5206            cx.update_flags(true, vec!["agent-v2".to_string()]);
5207            agent::ThreadStore::init_global(cx);
5208            language_model::LanguageModelRegistry::test(cx);
5209            let slash_command_registry =
5210                assistant_slash_command::SlashCommandRegistry::default_global(cx);
5211            slash_command_registry
5212                .register_command(assistant_slash_commands::DefaultSlashCommand, false);
5213            <dyn fs::Fs>::set_global(fs.clone(), cx);
5214        });
5215
5216        let project = Project::test(fs.clone(), [], cx).await;
5217
5218        let multi_workspace =
5219            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
5220
5221        let workspace_a = multi_workspace
5222            .read_with(cx, |multi_workspace, _cx| {
5223                multi_workspace.workspace().clone()
5224            })
5225            .unwrap();
5226
5227        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
5228
5229        workspace_a.update_in(cx, |workspace, window, cx| {
5230            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
5231            let panel =
5232                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
5233            workspace.add_panel(panel, window, cx);
5234        });
5235
5236        cx.run_until_parked();
5237
5238        workspace_a.update_in(cx, |_, window, cx| {
5239            window.dispatch_action(NewTextThread.boxed_clone(), cx);
5240        });
5241
5242        cx.run_until_parked();
5243    }
5244
5245    /// Extracts the text from a Text content block, panicking if it's not Text.
5246    fn expect_text_block(block: &acp::ContentBlock) -> &str {
5247        match block {
5248            acp::ContentBlock::Text(t) => t.text.as_str(),
5249            other => panic!("expected Text block, got {:?}", other),
5250        }
5251    }
5252
5253    /// Extracts the (text_content, uri) from a Resource content block, panicking
5254    /// if it's not a TextResourceContents resource.
5255    fn expect_resource_block(block: &acp::ContentBlock) -> (&str, &str) {
5256        match block {
5257            acp::ContentBlock::Resource(r) => match &r.resource {
5258                acp::EmbeddedResourceResource::TextResourceContents(t) => {
5259                    (t.text.as_str(), t.uri.as_str())
5260                }
5261                other => panic!("expected TextResourceContents, got {:?}", other),
5262            },
5263            other => panic!("expected Resource block, got {:?}", other),
5264        }
5265    }
5266
5267    #[test]
5268    fn test_build_conflict_resolution_prompt_single_conflict() {
5269        let conflicts = vec![ConflictContent {
5270            file_path: "src/main.rs".to_string(),
5271            conflict_text: "<<<<<<< HEAD\nlet x = 1;\n=======\nlet x = 2;\n>>>>>>> feature"
5272                .to_string(),
5273            ours_branch_name: "HEAD".to_string(),
5274            theirs_branch_name: "feature".to_string(),
5275        }];
5276
5277        let blocks = build_conflict_resolution_prompt(&conflicts);
5278        // 2 Text blocks + 1 ResourceLink + 1 Resource for the conflict
5279        assert_eq!(
5280            blocks.len(),
5281            4,
5282            "expected 2 text + 1 resource link + 1 resource block"
5283        );
5284
5285        let intro_text = expect_text_block(&blocks[0]);
5286        assert!(
5287            intro_text.contains("Please resolve the following merge conflict in"),
5288            "prompt should include single-conflict intro text"
5289        );
5290
5291        match &blocks[1] {
5292            acp::ContentBlock::ResourceLink(link) => {
5293                assert!(
5294                    link.uri.contains("file://"),
5295                    "resource link URI should use file scheme"
5296                );
5297                assert!(
5298                    link.uri.contains("main.rs"),
5299                    "resource link URI should reference file path"
5300                );
5301            }
5302            other => panic!("expected ResourceLink block, got {:?}", other),
5303        }
5304
5305        let body_text = expect_text_block(&blocks[2]);
5306        assert!(
5307            body_text.contains("`HEAD` (ours)"),
5308            "prompt should mention ours branch"
5309        );
5310        assert!(
5311            body_text.contains("`feature` (theirs)"),
5312            "prompt should mention theirs branch"
5313        );
5314        assert!(
5315            body_text.contains("editing the file directly"),
5316            "prompt should instruct the agent to edit the file"
5317        );
5318
5319        let (resource_text, resource_uri) = expect_resource_block(&blocks[3]);
5320        assert!(
5321            resource_text.contains("<<<<<<< HEAD"),
5322            "resource should contain the conflict text"
5323        );
5324        assert!(
5325            resource_uri.contains("merge-conflict"),
5326            "resource URI should use the merge-conflict scheme"
5327        );
5328        assert!(
5329            resource_uri.contains("main.rs"),
5330            "resource URI should reference the file path"
5331        );
5332    }
5333
5334    #[test]
5335    fn test_build_conflict_resolution_prompt_multiple_conflicts_same_file() {
5336        let conflicts = vec![
5337            ConflictContent {
5338                file_path: "src/lib.rs".to_string(),
5339                conflict_text: "<<<<<<< main\nfn a() {}\n=======\nfn a_v2() {}\n>>>>>>> dev"
5340                    .to_string(),
5341                ours_branch_name: "main".to_string(),
5342                theirs_branch_name: "dev".to_string(),
5343            },
5344            ConflictContent {
5345                file_path: "src/lib.rs".to_string(),
5346                conflict_text: "<<<<<<< main\nfn b() {}\n=======\nfn b_v2() {}\n>>>>>>> dev"
5347                    .to_string(),
5348                ours_branch_name: "main".to_string(),
5349                theirs_branch_name: "dev".to_string(),
5350            },
5351        ];
5352
5353        let blocks = build_conflict_resolution_prompt(&conflicts);
5354        // 1 Text instruction + 2 Resource blocks
5355        assert_eq!(blocks.len(), 3, "expected 1 text + 2 resource blocks");
5356
5357        let text = expect_text_block(&blocks[0]);
5358        assert!(
5359            text.contains("all 2 merge conflicts"),
5360            "prompt should mention the total count"
5361        );
5362        assert!(
5363            text.contains("`main` (ours)"),
5364            "prompt should mention ours branch"
5365        );
5366        assert!(
5367            text.contains("`dev` (theirs)"),
5368            "prompt should mention theirs branch"
5369        );
5370        // Single file, so "file" not "files"
5371        assert!(
5372            text.contains("file directly"),
5373            "single file should use singular 'file'"
5374        );
5375
5376        let (resource_a, _) = expect_resource_block(&blocks[1]);
5377        let (resource_b, _) = expect_resource_block(&blocks[2]);
5378        assert!(
5379            resource_a.contains("fn a()"),
5380            "first resource should contain first conflict"
5381        );
5382        assert!(
5383            resource_b.contains("fn b()"),
5384            "second resource should contain second conflict"
5385        );
5386    }
5387
5388    #[test]
5389    fn test_build_conflict_resolution_prompt_multiple_conflicts_different_files() {
5390        let conflicts = vec![
5391            ConflictContent {
5392                file_path: "src/a.rs".to_string(),
5393                conflict_text: "<<<<<<< main\nA\n=======\nB\n>>>>>>> dev".to_string(),
5394                ours_branch_name: "main".to_string(),
5395                theirs_branch_name: "dev".to_string(),
5396            },
5397            ConflictContent {
5398                file_path: "src/b.rs".to_string(),
5399                conflict_text: "<<<<<<< main\nC\n=======\nD\n>>>>>>> dev".to_string(),
5400                ours_branch_name: "main".to_string(),
5401                theirs_branch_name: "dev".to_string(),
5402            },
5403        ];
5404
5405        let blocks = build_conflict_resolution_prompt(&conflicts);
5406        // 1 Text instruction + 2 Resource blocks
5407        assert_eq!(blocks.len(), 3, "expected 1 text + 2 resource blocks");
5408
5409        let text = expect_text_block(&blocks[0]);
5410        assert!(
5411            text.contains("files directly"),
5412            "multiple files should use plural 'files'"
5413        );
5414
5415        let (_, uri_a) = expect_resource_block(&blocks[1]);
5416        let (_, uri_b) = expect_resource_block(&blocks[2]);
5417        assert!(
5418            uri_a.contains("a.rs"),
5419            "first resource URI should reference a.rs"
5420        );
5421        assert!(
5422            uri_b.contains("b.rs"),
5423            "second resource URI should reference b.rs"
5424        );
5425    }
5426
5427    #[test]
5428    fn test_build_conflicted_files_resolution_prompt_file_paths_only() {
5429        let file_paths = vec![
5430            "src/main.rs".to_string(),
5431            "src/lib.rs".to_string(),
5432            "tests/integration.rs".to_string(),
5433        ];
5434
5435        let blocks = build_conflicted_files_resolution_prompt(&file_paths);
5436        // 1 instruction Text block + (ResourceLink + newline Text) per file
5437        assert_eq!(
5438            blocks.len(),
5439            1 + (file_paths.len() * 2),
5440            "expected instruction text plus resource links and separators"
5441        );
5442
5443        let text = expect_text_block(&blocks[0]);
5444        assert!(
5445            text.contains("unresolved merge conflicts"),
5446            "prompt should describe the task"
5447        );
5448        assert!(
5449            text.contains("conflict markers"),
5450            "prompt should mention conflict markers"
5451        );
5452
5453        for (index, path) in file_paths.iter().enumerate() {
5454            let link_index = 1 + (index * 2);
5455            let newline_index = link_index + 1;
5456
5457            match &blocks[link_index] {
5458                acp::ContentBlock::ResourceLink(link) => {
5459                    assert!(
5460                        link.uri.contains("file://"),
5461                        "resource link URI should use file scheme"
5462                    );
5463                    assert!(
5464                        link.uri.contains(path),
5465                        "resource link URI should reference file path: {path}"
5466                    );
5467                }
5468                other => panic!(
5469                    "expected ResourceLink block at index {}, got {:?}",
5470                    link_index, other
5471                ),
5472            }
5473
5474            let separator = expect_text_block(&blocks[newline_index]);
5475            assert_eq!(
5476                separator, "\n",
5477                "expected newline separator after each file"
5478            );
5479        }
5480    }
5481
5482    #[test]
5483    fn test_build_conflict_resolution_prompt_empty_conflicts() {
5484        let blocks = build_conflict_resolution_prompt(&[]);
5485        assert!(
5486            blocks.is_empty(),
5487            "empty conflicts should produce no blocks, got {} blocks",
5488            blocks.len()
5489        );
5490    }
5491
5492    #[test]
5493    fn test_build_conflicted_files_resolution_prompt_empty_paths() {
5494        let blocks = build_conflicted_files_resolution_prompt(&[]);
5495        assert!(
5496            blocks.is_empty(),
5497            "empty paths should produce no blocks, got {} blocks",
5498            blocks.len()
5499        );
5500    }
5501
5502    #[test]
5503    fn test_conflict_resource_block_structure() {
5504        let conflict = ConflictContent {
5505            file_path: "src/utils.rs".to_string(),
5506            conflict_text: "<<<<<<< HEAD\nold code\n=======\nnew code\n>>>>>>> branch".to_string(),
5507            ours_branch_name: "HEAD".to_string(),
5508            theirs_branch_name: "branch".to_string(),
5509        };
5510
5511        let block = conflict_resource_block(&conflict);
5512        let (text, uri) = expect_resource_block(&block);
5513
5514        assert_eq!(
5515            text, conflict.conflict_text,
5516            "resource text should be the raw conflict"
5517        );
5518        assert!(
5519            uri.starts_with("zed:///agent/merge-conflict"),
5520            "URI should use the zed merge-conflict scheme, got: {uri}"
5521        );
5522        assert!(uri.contains("utils.rs"), "URI should encode the file path");
5523    }
5524
5525    fn open_generating_thread_with_loadable_connection(
5526        panel: &Entity<AgentPanel>,
5527        connection: &StubAgentConnection,
5528        cx: &mut VisualTestContext,
5529    ) -> acp::SessionId {
5530        open_thread_with_custom_connection(panel, connection.clone(), cx);
5531        let session_id = active_session_id(panel, cx);
5532        send_message(panel, cx);
5533        cx.update(|_, cx| {
5534            connection.send_update(
5535                session_id.clone(),
5536                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("done".into())),
5537                cx,
5538            );
5539        });
5540        cx.run_until_parked();
5541        session_id
5542    }
5543
5544    fn open_idle_thread_with_non_loadable_connection(
5545        panel: &Entity<AgentPanel>,
5546        connection: &StubAgentConnection,
5547        cx: &mut VisualTestContext,
5548    ) -> acp::SessionId {
5549        open_thread_with_custom_connection(panel, connection.clone(), cx);
5550        let session_id = active_session_id(panel, cx);
5551
5552        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5553            acp::ContentChunk::new("done".into()),
5554        )]);
5555        send_message(panel, cx);
5556
5557        session_id
5558    }
5559
5560    async fn setup_panel(cx: &mut TestAppContext) -> (Entity<AgentPanel>, VisualTestContext) {
5561        init_test(cx);
5562        cx.update(|cx| {
5563            cx.update_flags(true, vec!["agent-v2".to_string()]);
5564            agent::ThreadStore::init_global(cx);
5565            language_model::LanguageModelRegistry::test(cx);
5566        });
5567
5568        let fs = FakeFs::new(cx.executor());
5569        let project = Project::test(fs.clone(), [], cx).await;
5570
5571        let multi_workspace =
5572            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
5573
5574        let workspace = multi_workspace
5575            .read_with(cx, |mw, _cx| mw.workspace().clone())
5576            .unwrap();
5577
5578        let mut cx = VisualTestContext::from_window(multi_workspace.into(), cx);
5579
5580        let panel = workspace.update_in(&mut cx, |workspace, window, cx| {
5581            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
5582            cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx))
5583        });
5584
5585        (panel, cx)
5586    }
5587
5588    #[gpui::test]
5589    async fn test_running_thread_retained_when_navigating_away(cx: &mut TestAppContext) {
5590        let (panel, mut cx) = setup_panel(cx).await;
5591
5592        let connection_a = StubAgentConnection::new();
5593        open_thread_with_connection(&panel, connection_a.clone(), &mut cx);
5594        send_message(&panel, &mut cx);
5595
5596        let session_id_a = active_session_id(&panel, &cx);
5597
5598        // Send a chunk to keep thread A generating (don't end the turn).
5599        cx.update(|_, cx| {
5600            connection_a.send_update(
5601                session_id_a.clone(),
5602                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("chunk".into())),
5603                cx,
5604            );
5605        });
5606        cx.run_until_parked();
5607
5608        // Verify thread A is generating.
5609        panel.read_with(&cx, |panel, cx| {
5610            let thread = panel.active_agent_thread(cx).unwrap();
5611            assert_eq!(thread.read(cx).status(), ThreadStatus::Generating);
5612            assert!(panel.background_threads.is_empty());
5613        });
5614
5615        // Open a new thread B — thread A should be retained in background.
5616        let connection_b = StubAgentConnection::new();
5617        open_thread_with_connection(&panel, connection_b, &mut cx);
5618
5619        panel.read_with(&cx, |panel, _cx| {
5620            assert_eq!(
5621                panel.background_threads.len(),
5622                1,
5623                "Running thread A should be retained in background_views"
5624            );
5625            assert!(
5626                panel.background_threads.contains_key(&session_id_a),
5627                "Background view should be keyed by thread A's session ID"
5628            );
5629        });
5630    }
5631
5632    #[gpui::test]
5633    async fn test_idle_non_loadable_thread_retained_when_navigating_away(cx: &mut TestAppContext) {
5634        let (panel, mut cx) = setup_panel(cx).await;
5635
5636        let connection_a = StubAgentConnection::new();
5637        connection_a.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5638            acp::ContentChunk::new("Response".into()),
5639        )]);
5640        open_thread_with_connection(&panel, connection_a, &mut cx);
5641        send_message(&panel, &mut cx);
5642
5643        let weak_view_a = panel.read_with(&cx, |panel, _cx| {
5644            panel.active_conversation_view().unwrap().downgrade()
5645        });
5646        let session_id_a = active_session_id(&panel, &cx);
5647
5648        // Thread A should be idle (auto-completed via set_next_prompt_updates).
5649        panel.read_with(&cx, |panel, cx| {
5650            let thread = panel.active_agent_thread(cx).unwrap();
5651            assert_eq!(thread.read(cx).status(), ThreadStatus::Idle);
5652        });
5653
5654        // Open a new thread B — thread A should be retained because it is not loadable.
5655        let connection_b = StubAgentConnection::new();
5656        open_thread_with_connection(&panel, connection_b, &mut cx);
5657
5658        panel.read_with(&cx, |panel, _cx| {
5659            assert_eq!(
5660                panel.background_threads.len(),
5661                1,
5662                "Idle non-loadable thread A should be retained in background_views"
5663            );
5664            assert!(
5665                panel.background_threads.contains_key(&session_id_a),
5666                "Background view should be keyed by thread A's session ID"
5667            );
5668        });
5669
5670        assert!(
5671            weak_view_a.upgrade().is_some(),
5672            "Idle non-loadable ConnectionView should still be retained"
5673        );
5674    }
5675
5676    #[gpui::test]
5677    async fn test_background_thread_promoted_via_load(cx: &mut TestAppContext) {
5678        let (panel, mut cx) = setup_panel(cx).await;
5679
5680        let connection_a = StubAgentConnection::new();
5681        open_thread_with_connection(&panel, connection_a.clone(), &mut cx);
5682        send_message(&panel, &mut cx);
5683
5684        let session_id_a = active_session_id(&panel, &cx);
5685
5686        // Keep thread A generating.
5687        cx.update(|_, cx| {
5688            connection_a.send_update(
5689                session_id_a.clone(),
5690                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("chunk".into())),
5691                cx,
5692            );
5693        });
5694        cx.run_until_parked();
5695
5696        // Open thread B — thread A goes to background.
5697        let connection_b = StubAgentConnection::new();
5698        open_thread_with_connection(&panel, connection_b, &mut cx);
5699
5700        let session_id_b = active_session_id(&panel, &cx);
5701
5702        panel.read_with(&cx, |panel, _cx| {
5703            assert_eq!(panel.background_threads.len(), 1);
5704            assert!(panel.background_threads.contains_key(&session_id_a));
5705        });
5706
5707        // Load thread A back via load_agent_thread — should promote from background.
5708        panel.update_in(&mut cx, |panel, window, cx| {
5709            panel.load_agent_thread(
5710                panel.selected_agent().expect("selected agent must be set"),
5711                session_id_a.clone(),
5712                None,
5713                None,
5714                true,
5715                window,
5716                cx,
5717            );
5718        });
5719
5720        // Thread A should now be the active view, promoted from background.
5721        let active_session = active_session_id(&panel, &cx);
5722        assert_eq!(
5723            active_session, session_id_a,
5724            "Thread A should be the active thread after promotion"
5725        );
5726
5727        panel.read_with(&cx, |panel, _cx| {
5728            assert!(
5729                !panel.background_threads.contains_key(&session_id_a),
5730                "Promoted thread A should no longer be in background_views"
5731            );
5732            assert!(
5733                panel.background_threads.contains_key(&session_id_b),
5734                "Thread B (idle, non-loadable) should remain retained in background_views"
5735            );
5736        });
5737    }
5738
5739    #[gpui::test]
5740    async fn test_cleanup_background_threads_keeps_five_most_recent_idle_loadable_threads(
5741        cx: &mut TestAppContext,
5742    ) {
5743        let (panel, mut cx) = setup_panel(cx).await;
5744        let connection = StubAgentConnection::new()
5745            .with_supports_load_session(true)
5746            .with_agent_id("loadable-stub".into())
5747            .with_telemetry_id("loadable-stub".into());
5748        let mut session_ids = Vec::new();
5749
5750        for _ in 0..7 {
5751            session_ids.push(open_generating_thread_with_loadable_connection(
5752                &panel,
5753                &connection,
5754                &mut cx,
5755            ));
5756        }
5757
5758        let base_time = Instant::now();
5759
5760        for session_id in session_ids.iter().take(6) {
5761            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5762        }
5763        cx.run_until_parked();
5764
5765        panel.update(&mut cx, |panel, cx| {
5766            for (index, session_id) in session_ids.iter().take(6).enumerate() {
5767                let conversation_view = panel
5768                    .background_threads
5769                    .get(session_id)
5770                    .expect("background thread should exist")
5771                    .clone();
5772                conversation_view.update(cx, |view, cx| {
5773                    view.set_updated_at(base_time + Duration::from_secs(index as u64), cx);
5774                });
5775            }
5776            panel.cleanup_background_threads(cx);
5777        });
5778
5779        panel.read_with(&cx, |panel, _cx| {
5780            assert_eq!(
5781                panel.background_threads.len(),
5782                5,
5783                "cleanup should keep at most five idle loadable background threads"
5784            );
5785            assert!(
5786                !panel.background_threads.contains_key(&session_ids[0]),
5787                "oldest idle loadable background thread should be removed"
5788            );
5789            for session_id in &session_ids[1..6] {
5790                assert!(
5791                    panel.background_threads.contains_key(session_id),
5792                    "more recent idle loadable background threads should be retained"
5793                );
5794            }
5795            assert!(
5796                !panel.background_threads.contains_key(&session_ids[6]),
5797                "the active thread should not also be stored as a background thread"
5798            );
5799        });
5800    }
5801
5802    #[gpui::test]
5803    async fn test_cleanup_background_threads_preserves_idle_non_loadable_threads(
5804        cx: &mut TestAppContext,
5805    ) {
5806        let (panel, mut cx) = setup_panel(cx).await;
5807
5808        let non_loadable_connection = StubAgentConnection::new();
5809        let non_loadable_session_id = open_idle_thread_with_non_loadable_connection(
5810            &panel,
5811            &non_loadable_connection,
5812            &mut cx,
5813        );
5814
5815        let loadable_connection = StubAgentConnection::new()
5816            .with_supports_load_session(true)
5817            .with_agent_id("loadable-stub".into())
5818            .with_telemetry_id("loadable-stub".into());
5819        let mut loadable_session_ids = Vec::new();
5820
5821        for _ in 0..7 {
5822            loadable_session_ids.push(open_generating_thread_with_loadable_connection(
5823                &panel,
5824                &loadable_connection,
5825                &mut cx,
5826            ));
5827        }
5828
5829        let base_time = Instant::now();
5830
5831        for session_id in loadable_session_ids.iter().take(6) {
5832            loadable_connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5833        }
5834        cx.run_until_parked();
5835
5836        panel.update(&mut cx, |panel, cx| {
5837            for (index, session_id) in loadable_session_ids.iter().take(6).enumerate() {
5838                let conversation_view = panel
5839                    .background_threads
5840                    .get(session_id)
5841                    .expect("background thread should exist")
5842                    .clone();
5843                conversation_view.update(cx, |view, cx| {
5844                    view.set_updated_at(base_time + Duration::from_secs(index as u64), cx);
5845                });
5846            }
5847            panel.cleanup_background_threads(cx);
5848        });
5849
5850        panel.read_with(&cx, |panel, _cx| {
5851            assert_eq!(
5852                panel.background_threads.len(),
5853                6,
5854                "cleanup should keep the non-loadable idle thread in addition to five loadable ones"
5855            );
5856            assert!(
5857                panel
5858                    .background_threads
5859                    .contains_key(&non_loadable_session_id),
5860                "idle non-loadable background threads should not be cleanup candidates"
5861            );
5862            assert!(
5863                !panel
5864                    .background_threads
5865                    .contains_key(&loadable_session_ids[0]),
5866                "oldest idle loadable background thread should still be removed"
5867            );
5868            for session_id in &loadable_session_ids[1..6] {
5869                assert!(
5870                    panel.background_threads.contains_key(session_id),
5871                    "more recent idle loadable background threads should be retained"
5872                );
5873            }
5874            assert!(
5875                !panel
5876                    .background_threads
5877                    .contains_key(&loadable_session_ids[6]),
5878                "the active loadable thread should not also be stored as a background thread"
5879            );
5880        });
5881    }
5882
5883    #[gpui::test]
5884    async fn test_thread_target_local_project(cx: &mut TestAppContext) {
5885        init_test(cx);
5886        cx.update(|cx| {
5887            cx.update_flags(true, vec!["agent-v2".to_string()]);
5888            agent::ThreadStore::init_global(cx);
5889            language_model::LanguageModelRegistry::test(cx);
5890        });
5891
5892        let fs = FakeFs::new(cx.executor());
5893        fs.insert_tree(
5894            "/project",
5895            json!({
5896                ".git": {},
5897                "src": {
5898                    "main.rs": "fn main() {}"
5899                }
5900            }),
5901        )
5902        .await;
5903        fs.set_branch_name(Path::new("/project/.git"), Some("main"));
5904
5905        let project = Project::test(fs.clone(), [Path::new("/project")], cx).await;
5906
5907        let multi_workspace =
5908            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
5909
5910        let workspace = multi_workspace
5911            .read_with(cx, |multi_workspace, _cx| {
5912                multi_workspace.workspace().clone()
5913            })
5914            .unwrap();
5915
5916        workspace.update(cx, |workspace, _cx| {
5917            workspace.set_random_database_id();
5918        });
5919
5920        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
5921
5922        // Wait for the project to discover the git repository.
5923        cx.run_until_parked();
5924
5925        let panel = workspace.update_in(cx, |workspace, window, cx| {
5926            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
5927            let panel =
5928                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
5929            workspace.add_panel(panel.clone(), window, cx);
5930            panel
5931        });
5932
5933        cx.run_until_parked();
5934
5935        // Default thread target should be LocalProject.
5936        panel.read_with(cx, |panel, _cx| {
5937            assert_eq!(
5938                *panel.start_thread_in(),
5939                StartThreadIn::LocalProject,
5940                "default thread target should be LocalProject"
5941            );
5942        });
5943
5944        // Start a new thread with the default LocalProject target.
5945        // Use StubAgentServer so the thread connects immediately in tests.
5946        panel.update_in(cx, |panel, window, cx| {
5947            panel.open_external_thread_with_server(
5948                Rc::new(StubAgentServer::default_response()),
5949                window,
5950                cx,
5951            );
5952        });
5953
5954        cx.run_until_parked();
5955
5956        // MultiWorkspace should still have exactly one workspace (no worktree created).
5957        multi_workspace
5958            .read_with(cx, |multi_workspace, _cx| {
5959                assert_eq!(
5960                    multi_workspace.workspaces().len(),
5961                    1,
5962                    "LocalProject should not create a new workspace"
5963                );
5964            })
5965            .unwrap();
5966
5967        // The thread should be active in the panel.
5968        panel.read_with(cx, |panel, cx| {
5969            assert!(
5970                panel.active_agent_thread(cx).is_some(),
5971                "a thread should be running in the current workspace"
5972            );
5973        });
5974
5975        // The thread target should still be LocalProject (unchanged).
5976        panel.read_with(cx, |panel, _cx| {
5977            assert_eq!(
5978                *panel.start_thread_in(),
5979                StartThreadIn::LocalProject,
5980                "thread target should remain LocalProject"
5981            );
5982        });
5983
5984        // No worktree creation status should be set.
5985        panel.read_with(cx, |panel, _cx| {
5986            assert!(
5987                panel.worktree_creation_status.is_none(),
5988                "no worktree creation should have occurred"
5989            );
5990        });
5991    }
5992
5993    #[gpui::test]
5994    async fn test_thread_target_serialization_round_trip(cx: &mut TestAppContext) {
5995        init_test(cx);
5996        cx.update(|cx| {
5997            cx.update_flags(true, vec!["agent-v2".to_string()]);
5998            agent::ThreadStore::init_global(cx);
5999            language_model::LanguageModelRegistry::test(cx);
6000        });
6001
6002        let fs = FakeFs::new(cx.executor());
6003        fs.insert_tree(
6004            "/project",
6005            json!({
6006                ".git": {},
6007                "src": {
6008                    "main.rs": "fn main() {}"
6009                }
6010            }),
6011        )
6012        .await;
6013        fs.set_branch_name(Path::new("/project/.git"), Some("main"));
6014
6015        let project = Project::test(fs.clone(), [Path::new("/project")], cx).await;
6016
6017        let multi_workspace =
6018            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
6019
6020        let workspace = multi_workspace
6021            .read_with(cx, |multi_workspace, _cx| {
6022                multi_workspace.workspace().clone()
6023            })
6024            .unwrap();
6025
6026        workspace.update(cx, |workspace, _cx| {
6027            workspace.set_random_database_id();
6028        });
6029
6030        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
6031
6032        // Wait for the project to discover the git repository.
6033        cx.run_until_parked();
6034
6035        let panel = workspace.update_in(cx, |workspace, window, cx| {
6036            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
6037            let panel =
6038                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
6039            workspace.add_panel(panel.clone(), window, cx);
6040            panel
6041        });
6042
6043        cx.run_until_parked();
6044
6045        // Default should be LocalProject.
6046        panel.read_with(cx, |panel, _cx| {
6047            assert_eq!(*panel.start_thread_in(), StartThreadIn::LocalProject);
6048        });
6049
6050        // Change thread target to NewWorktree.
6051        panel.update_in(cx, |panel, window, cx| {
6052            panel.set_start_thread_in(&StartThreadIn::NewWorktree, window, cx);
6053        });
6054
6055        panel.read_with(cx, |panel, _cx| {
6056            assert_eq!(
6057                *panel.start_thread_in(),
6058                StartThreadIn::NewWorktree,
6059                "thread target should be NewWorktree after set_thread_target"
6060            );
6061        });
6062
6063        // Let serialization complete.
6064        cx.run_until_parked();
6065
6066        // Load a fresh panel from the serialized data.
6067        let prompt_builder = Arc::new(prompt_store::PromptBuilder::new(None).unwrap());
6068        let async_cx = cx.update(|window, cx| window.to_async(cx));
6069        let loaded_panel =
6070            AgentPanel::load(workspace.downgrade(), prompt_builder.clone(), async_cx)
6071                .await
6072                .expect("panel load should succeed");
6073        cx.run_until_parked();
6074
6075        loaded_panel.read_with(cx, |panel, _cx| {
6076            assert_eq!(
6077                *panel.start_thread_in(),
6078                StartThreadIn::NewWorktree,
6079                "thread target should survive serialization round-trip"
6080            );
6081        });
6082    }
6083
6084    #[gpui::test]
6085    async fn test_set_active_blocked_during_worktree_creation(cx: &mut TestAppContext) {
6086        init_test(cx);
6087
6088        let fs = FakeFs::new(cx.executor());
6089        cx.update(|cx| {
6090            cx.update_flags(true, vec!["agent-v2".to_string()]);
6091            agent::ThreadStore::init_global(cx);
6092            language_model::LanguageModelRegistry::test(cx);
6093            <dyn fs::Fs>::set_global(fs.clone(), cx);
6094        });
6095
6096        fs.insert_tree(
6097            "/project",
6098            json!({
6099                ".git": {},
6100                "src": {
6101                    "main.rs": "fn main() {}"
6102                }
6103            }),
6104        )
6105        .await;
6106
6107        let project = Project::test(fs.clone(), [Path::new("/project")], cx).await;
6108
6109        let multi_workspace =
6110            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
6111
6112        let workspace = multi_workspace
6113            .read_with(cx, |multi_workspace, _cx| {
6114                multi_workspace.workspace().clone()
6115            })
6116            .unwrap();
6117
6118        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
6119
6120        let panel = workspace.update_in(cx, |workspace, window, cx| {
6121            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
6122            let panel =
6123                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
6124            workspace.add_panel(panel.clone(), window, cx);
6125            panel
6126        });
6127
6128        cx.run_until_parked();
6129
6130        // Simulate worktree creation in progress and reset to Uninitialized
6131        panel.update_in(cx, |panel, window, cx| {
6132            panel.worktree_creation_status = Some(WorktreeCreationStatus::Creating);
6133            panel.active_view = ActiveView::Uninitialized;
6134            Panel::set_active(panel, true, window, cx);
6135            assert!(
6136                matches!(panel.active_view, ActiveView::Uninitialized),
6137                "set_active should not create a thread while worktree is being created"
6138            );
6139        });
6140
6141        // Clear the creation status and use open_external_thread_with_server
6142        // (which bypasses new_agent_thread) to verify the panel can transition
6143        // out of Uninitialized. We can't call set_active directly because
6144        // new_agent_thread requires full agent server infrastructure.
6145        panel.update_in(cx, |panel, window, cx| {
6146            panel.worktree_creation_status = None;
6147            panel.active_view = ActiveView::Uninitialized;
6148            panel.open_external_thread_with_server(
6149                Rc::new(StubAgentServer::default_response()),
6150                window,
6151                cx,
6152            );
6153        });
6154
6155        cx.run_until_parked();
6156
6157        panel.read_with(cx, |panel, _cx| {
6158            assert!(
6159                !matches!(panel.active_view, ActiveView::Uninitialized),
6160                "panel should transition out of Uninitialized once worktree creation is cleared"
6161            );
6162        });
6163    }
6164
6165    #[test]
6166    fn test_deserialize_agent_type_variants() {
6167        assert_eq!(
6168            serde_json::from_str::<AgentType>(r#""NativeAgent""#).unwrap(),
6169            AgentType::NativeAgent,
6170        );
6171        assert_eq!(
6172            serde_json::from_str::<AgentType>(r#""TextThread""#).unwrap(),
6173            AgentType::TextThread,
6174        );
6175        assert_eq!(
6176            serde_json::from_str::<AgentType>(r#"{"Custom":{"name":"my-agent"}}"#).unwrap(),
6177            AgentType::Custom {
6178                id: "my-agent".into(),
6179            },
6180        );
6181    }
6182
6183    #[gpui::test]
6184    async fn test_worktree_creation_preserves_selected_agent(cx: &mut TestAppContext) {
6185        init_test(cx);
6186
6187        let app_state = cx.update(|cx| {
6188            cx.update_flags(true, vec!["agent-v2".to_string()]);
6189            agent::ThreadStore::init_global(cx);
6190            language_model::LanguageModelRegistry::test(cx);
6191
6192            let app_state = workspace::AppState::test(cx);
6193            workspace::init(app_state.clone(), cx);
6194            app_state
6195        });
6196
6197        let fs = app_state.fs.as_fake();
6198        fs.insert_tree(
6199            "/project",
6200            json!({
6201                ".git": {},
6202                "src": {
6203                    "main.rs": "fn main() {}"
6204                }
6205            }),
6206        )
6207        .await;
6208        fs.set_branch_name(Path::new("/project/.git"), Some("main"));
6209
6210        let project = Project::test(app_state.fs.clone(), [Path::new("/project")], cx).await;
6211
6212        let multi_workspace =
6213            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
6214
6215        let workspace = multi_workspace
6216            .read_with(cx, |multi_workspace, _cx| {
6217                multi_workspace.workspace().clone()
6218            })
6219            .unwrap();
6220
6221        workspace.update(cx, |workspace, _cx| {
6222            workspace.set_random_database_id();
6223        });
6224
6225        // Register a callback so new workspaces also get an AgentPanel.
6226        cx.update(|cx| {
6227            cx.observe_new(
6228                |workspace: &mut Workspace,
6229                 window: Option<&mut Window>,
6230                 cx: &mut Context<Workspace>| {
6231                    if let Some(window) = window {
6232                        let project = workspace.project().clone();
6233                        let text_thread_store =
6234                            cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
6235                        let panel = cx.new(|cx| {
6236                            AgentPanel::new(workspace, text_thread_store, None, window, cx)
6237                        });
6238                        workspace.add_panel(panel, window, cx);
6239                    }
6240                },
6241            )
6242            .detach();
6243        });
6244
6245        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
6246
6247        // Wait for the project to discover the git repository.
6248        cx.run_until_parked();
6249
6250        let panel = workspace.update_in(cx, |workspace, window, cx| {
6251            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
6252            let panel =
6253                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
6254            workspace.add_panel(panel.clone(), window, cx);
6255            panel
6256        });
6257
6258        cx.run_until_parked();
6259
6260        // Open a thread (needed so there's an active thread view).
6261        panel.update_in(cx, |panel, window, cx| {
6262            panel.open_external_thread_with_server(
6263                Rc::new(StubAgentServer::default_response()),
6264                window,
6265                cx,
6266            );
6267        });
6268
6269        cx.run_until_parked();
6270
6271        // Set the selected agent to Codex (a custom agent) and start_thread_in
6272        // to NewWorktree. We do this AFTER opening the thread because
6273        // open_external_thread_with_server overrides selected_agent_type.
6274        panel.update_in(cx, |panel, window, cx| {
6275            panel.selected_agent_type = AgentType::Custom {
6276                id: CODEX_ID.into(),
6277            };
6278            panel.set_start_thread_in(&StartThreadIn::NewWorktree, window, cx);
6279        });
6280
6281        // Verify the panel has the Codex agent selected.
6282        panel.read_with(cx, |panel, _cx| {
6283            assert_eq!(
6284                panel.selected_agent_type,
6285                AgentType::Custom {
6286                    id: CODEX_ID.into()
6287                },
6288            );
6289        });
6290
6291        // Directly call handle_worktree_creation_requested, which is what
6292        // handle_first_send_requested does when start_thread_in == NewWorktree.
6293        let content = vec![acp::ContentBlock::Text(acp::TextContent::new(
6294            "Hello from test",
6295        ))];
6296        panel.update_in(cx, |panel, window, cx| {
6297            panel.handle_worktree_creation_requested(content, window, cx);
6298        });
6299
6300        // Let the async worktree creation + workspace setup complete.
6301        cx.run_until_parked();
6302
6303        // Find the new workspace's AgentPanel and verify it used the Codex agent.
6304        let found_codex = multi_workspace
6305            .read_with(cx, |multi_workspace, cx| {
6306                // There should be more than one workspace now (the original + the new worktree).
6307                assert!(
6308                    multi_workspace.workspaces().len() > 1,
6309                    "expected a new workspace to have been created, found {}",
6310                    multi_workspace.workspaces().len(),
6311                );
6312
6313                // Check the newest workspace's panel for the correct agent.
6314                let new_workspace = multi_workspace
6315                    .workspaces()
6316                    .iter()
6317                    .find(|ws| ws.entity_id() != workspace.entity_id())
6318                    .expect("should find the new workspace");
6319                let new_panel = new_workspace
6320                    .read(cx)
6321                    .panel::<AgentPanel>(cx)
6322                    .expect("new workspace should have an AgentPanel");
6323
6324                new_panel.read(cx).selected_agent_type.clone()
6325            })
6326            .unwrap();
6327
6328        assert_eq!(
6329            found_codex,
6330            AgentType::Custom {
6331                id: CODEX_ID.into()
6332            },
6333            "the new worktree workspace should use the same agent (Codex) that was selected in the original panel",
6334        );
6335    }
6336
6337    #[gpui::test]
6338    async fn test_work_dirs_update_when_worktrees_change(cx: &mut TestAppContext) {
6339        use crate::thread_metadata_store::ThreadMetadataStore;
6340
6341        init_test(cx);
6342        cx.update(|cx| {
6343            cx.update_flags(true, vec!["agent-v2".to_string()]);
6344            agent::ThreadStore::init_global(cx);
6345            language_model::LanguageModelRegistry::test(cx);
6346        });
6347
6348        // Set up a project with one worktree.
6349        let fs = FakeFs::new(cx.executor());
6350        fs.insert_tree("/project_a", json!({ "file.txt": "" }))
6351            .await;
6352        let project = Project::test(fs.clone(), [Path::new("/project_a")], cx).await;
6353
6354        let multi_workspace =
6355            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
6356        let workspace = multi_workspace
6357            .read_with(cx, |mw, _cx| mw.workspace().clone())
6358            .unwrap();
6359        let mut cx = VisualTestContext::from_window(multi_workspace.into(), cx);
6360
6361        let panel = workspace.update_in(&mut cx, |workspace, window, cx| {
6362            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
6363            cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx))
6364        });
6365
6366        // Open thread A and send a message. With empty next_prompt_updates it
6367        // stays generating, so opening B will move A to background_threads.
6368        let connection_a = StubAgentConnection::new().with_agent_id("agent-a".into());
6369        open_thread_with_custom_connection(&panel, connection_a.clone(), &mut cx);
6370        send_message(&panel, &mut cx);
6371        let session_id_a = active_session_id(&panel, &cx);
6372
6373        // Open thread C — thread A (generating) moves to background.
6374        // Thread C completes immediately (idle), then opening B moves C to background too.
6375        let connection_c = StubAgentConnection::new().with_agent_id("agent-c".into());
6376        connection_c.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
6377            acp::ContentChunk::new("done".into()),
6378        )]);
6379        open_thread_with_custom_connection(&panel, connection_c.clone(), &mut cx);
6380        send_message(&panel, &mut cx);
6381        let session_id_c = active_session_id(&panel, &cx);
6382
6383        // Open thread B — thread C (idle, non-loadable) is retained in background.
6384        let connection_b = StubAgentConnection::new().with_agent_id("agent-b".into());
6385        open_thread_with_custom_connection(&panel, connection_b.clone(), &mut cx);
6386        send_message(&panel, &mut cx);
6387        let session_id_b = active_session_id(&panel, &cx);
6388
6389        let metadata_store = cx.update(|_, cx| ThreadMetadataStore::global(cx));
6390
6391        panel.read_with(&cx, |panel, _cx| {
6392            assert!(
6393                panel.background_threads.contains_key(&session_id_a),
6394                "Thread A should be in background_threads"
6395            );
6396            assert!(
6397                panel.background_threads.contains_key(&session_id_c),
6398                "Thread C should be in background_threads"
6399            );
6400        });
6401
6402        // Verify initial work_dirs for thread B contain only /project_a.
6403        let initial_b_paths = panel.read_with(&cx, |panel, cx| {
6404            let thread = panel.active_agent_thread(cx).unwrap();
6405            thread.read(cx).work_dirs().cloned().unwrap()
6406        });
6407        assert_eq!(
6408            initial_b_paths.ordered_paths().collect::<Vec<_>>(),
6409            vec![&PathBuf::from("/project_a")],
6410            "Thread B should initially have only /project_a"
6411        );
6412
6413        // Now add a second worktree to the project.
6414        fs.insert_tree("/project_b", json!({ "other.txt": "" }))
6415            .await;
6416        let (new_tree, _) = project
6417            .update(&mut cx, |project, cx| {
6418                project.find_or_create_worktree("/project_b", true, cx)
6419            })
6420            .await
6421            .unwrap();
6422        cx.read(|cx| new_tree.read(cx).as_local().unwrap().scan_complete())
6423            .await;
6424        cx.run_until_parked();
6425
6426        // Verify thread B's (active) work_dirs now include both worktrees.
6427        let updated_b_paths = panel.read_with(&cx, |panel, cx| {
6428            let thread = panel.active_agent_thread(cx).unwrap();
6429            thread.read(cx).work_dirs().cloned().unwrap()
6430        });
6431        let mut b_paths_sorted = updated_b_paths.ordered_paths().cloned().collect::<Vec<_>>();
6432        b_paths_sorted.sort();
6433        assert_eq!(
6434            b_paths_sorted,
6435            vec![PathBuf::from("/project_a"), PathBuf::from("/project_b")],
6436            "Thread B work_dirs should include both worktrees after adding /project_b"
6437        );
6438
6439        // Verify thread A's (background) work_dirs are also updated.
6440        let updated_a_paths = panel.read_with(&cx, |panel, cx| {
6441            let bg_view = panel.background_threads.get(&session_id_a).unwrap();
6442            let root_thread = bg_view.read(cx).root_thread(cx).unwrap();
6443            root_thread
6444                .read(cx)
6445                .thread
6446                .read(cx)
6447                .work_dirs()
6448                .cloned()
6449                .unwrap()
6450        });
6451        let mut a_paths_sorted = updated_a_paths.ordered_paths().cloned().collect::<Vec<_>>();
6452        a_paths_sorted.sort();
6453        assert_eq!(
6454            a_paths_sorted,
6455            vec![PathBuf::from("/project_a"), PathBuf::from("/project_b")],
6456            "Thread A work_dirs should include both worktrees after adding /project_b"
6457        );
6458
6459        // Verify thread idle C was also updated.
6460        let updated_c_paths = panel.read_with(&cx, |panel, cx| {
6461            let bg_view = panel.background_threads.get(&session_id_c).unwrap();
6462            let root_thread = bg_view.read(cx).root_thread(cx).unwrap();
6463            root_thread
6464                .read(cx)
6465                .thread
6466                .read(cx)
6467                .work_dirs()
6468                .cloned()
6469                .unwrap()
6470        });
6471        let mut c_paths_sorted = updated_c_paths.ordered_paths().cloned().collect::<Vec<_>>();
6472        c_paths_sorted.sort();
6473        assert_eq!(
6474            c_paths_sorted,
6475            vec![PathBuf::from("/project_a"), PathBuf::from("/project_b")],
6476            "Thread C (idle background) work_dirs should include both worktrees after adding /project_b"
6477        );
6478
6479        // Verify the metadata store reflects the new paths for running threads only.
6480        cx.run_until_parked();
6481        for (label, session_id) in [("thread B", &session_id_b), ("thread A", &session_id_a)] {
6482            let metadata_paths = metadata_store.read_with(&cx, |store, _cx| {
6483                let metadata = store
6484                    .entry(session_id)
6485                    .unwrap_or_else(|| panic!("{label} thread metadata should exist"));
6486                metadata.folder_paths.clone()
6487            });
6488            let mut sorted = metadata_paths.ordered_paths().cloned().collect::<Vec<_>>();
6489            sorted.sort();
6490            assert_eq!(
6491                sorted,
6492                vec![PathBuf::from("/project_a"), PathBuf::from("/project_b")],
6493                "{label} thread metadata folder_paths should include both worktrees"
6494            );
6495        }
6496
6497        // Now remove a worktree and verify work_dirs shrink.
6498        let worktree_b_id = new_tree.read_with(&cx, |tree, _| tree.id());
6499        project.update(&mut cx, |project, cx| {
6500            project.remove_worktree(worktree_b_id, cx);
6501        });
6502        cx.run_until_parked();
6503
6504        let after_remove_b = panel.read_with(&cx, |panel, cx| {
6505            let thread = panel.active_agent_thread(cx).unwrap();
6506            thread.read(cx).work_dirs().cloned().unwrap()
6507        });
6508        assert_eq!(
6509            after_remove_b.ordered_paths().collect::<Vec<_>>(),
6510            vec![&PathBuf::from("/project_a")],
6511            "Thread B work_dirs should revert to only /project_a after removing /project_b"
6512        );
6513
6514        let after_remove_a = panel.read_with(&cx, |panel, cx| {
6515            let bg_view = panel.background_threads.get(&session_id_a).unwrap();
6516            let root_thread = bg_view.read(cx).root_thread(cx).unwrap();
6517            root_thread
6518                .read(cx)
6519                .thread
6520                .read(cx)
6521                .work_dirs()
6522                .cloned()
6523                .unwrap()
6524        });
6525        assert_eq!(
6526            after_remove_a.ordered_paths().collect::<Vec<_>>(),
6527            vec![&PathBuf::from("/project_a")],
6528            "Thread A work_dirs should revert to only /project_a after removing /project_b"
6529        );
6530    }
6531}