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::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, OpenResult, PathList, SerializedPathList,
  87    ToggleWorkspaceSidebar, ToggleZoom, ToolbarItemView, Workspace, WorkspaceId,
  88    dock::{DockPosition, Panel, PanelEvent},
  89};
  90use zed_actions::{
  91    DecreaseBufferFontSize, IncreaseBufferFontSize, ResetBufferFontSize,
  92    agent::{OpenAcpOnboardingModal, OpenSettings, ResetAgentZoom, ResetOnboarding},
  93    assistant::{OpenRulesLibrary, Toggle, ToggleFocus},
  94};
  95
  96const AGENT_PANEL_KEY: &str = "agent_panel";
  97const RECENTLY_UPDATED_MENU_LIMIT: usize = 6;
  98
  99fn read_serialized_panel(
 100    workspace_id: workspace::WorkspaceId,
 101    kvp: &KeyValueStore,
 102) -> Option<SerializedAgentPanel> {
 103    let scope = kvp.scoped(AGENT_PANEL_KEY);
 104    let key = i64::from(workspace_id).to_string();
 105    scope
 106        .read(&key)
 107        .log_err()
 108        .flatten()
 109        .and_then(|json| serde_json::from_str::<SerializedAgentPanel>(&json).log_err())
 110}
 111
 112async fn save_serialized_panel(
 113    workspace_id: workspace::WorkspaceId,
 114    panel: SerializedAgentPanel,
 115    kvp: KeyValueStore,
 116) -> Result<()> {
 117    let scope = kvp.scoped(AGENT_PANEL_KEY);
 118    let key = i64::from(workspace_id).to_string();
 119    scope.write(key, serde_json::to_string(&panel)?).await?;
 120    Ok(())
 121}
 122
 123/// Migration: reads the original single-panel format stored under the
 124/// `"agent_panel"` KVP key before per-workspace keying was introduced.
 125fn read_legacy_serialized_panel(kvp: &KeyValueStore) -> Option<SerializedAgentPanel> {
 126    kvp.read_kvp(AGENT_PANEL_KEY)
 127        .log_err()
 128        .flatten()
 129        .and_then(|json| serde_json::from_str::<SerializedAgentPanel>(&json).log_err())
 130}
 131
 132#[derive(Serialize, Deserialize, Debug)]
 133struct SerializedAgentPanel {
 134    width: Option<Pixels>,
 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    width: Option<Pixels>,
 747    height: Option<Pixels>,
 748    zoomed: bool,
 749    pending_serialization: Option<Task<Result<()>>>,
 750    onboarding: Entity<AgentPanelOnboarding>,
 751    selected_agent_type: AgentType,
 752    start_thread_in: StartThreadIn,
 753    worktree_creation_status: Option<WorktreeCreationStatus>,
 754    _thread_view_subscription: Option<Subscription>,
 755    _active_thread_focus_subscription: Option<Subscription>,
 756    _worktree_creation_task: Option<Task<()>>,
 757    show_trust_workspace_message: bool,
 758    last_configuration_error_telemetry: Option<String>,
 759    on_boarding_upsell_dismissed: AtomicBool,
 760    _active_view_observation: Option<Subscription>,
 761}
 762
 763impl AgentPanel {
 764    fn serialize(&mut self, cx: &mut App) {
 765        let Some(workspace_id) = self.workspace_id else {
 766            return;
 767        };
 768
 769        let width = self.width;
 770        let selected_agent_type = self.selected_agent_type.clone();
 771        let start_thread_in = Some(self.start_thread_in);
 772
 773        let last_active_thread = self.active_agent_thread(cx).map(|thread| {
 774            let thread = thread.read(cx);
 775            let title = thread.title();
 776            let work_dirs = thread.work_dirs().cloned();
 777            SerializedActiveThread {
 778                session_id: thread.session_id().0.to_string(),
 779                agent_type: self.selected_agent_type.clone(),
 780                title: title.map(|t| t.to_string()),
 781                work_dirs: work_dirs.map(|dirs| dirs.serialize()),
 782            }
 783        });
 784
 785        let kvp = KeyValueStore::global(cx);
 786        self.pending_serialization = Some(cx.background_spawn(async move {
 787            save_serialized_panel(
 788                workspace_id,
 789                SerializedAgentPanel {
 790                    width,
 791                    selected_agent: Some(selected_agent_type),
 792                    last_active_thread,
 793                    start_thread_in,
 794                },
 795                kvp,
 796            )
 797            .await?;
 798            anyhow::Ok(())
 799        }));
 800    }
 801
 802    pub fn load(
 803        workspace: WeakEntity<Workspace>,
 804        prompt_builder: Arc<PromptBuilder>,
 805        mut cx: AsyncWindowContext,
 806    ) -> Task<Result<Entity<Self>>> {
 807        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 808        let kvp = cx.update(|_window, cx| KeyValueStore::global(cx)).ok();
 809        cx.spawn(async move |cx| {
 810            let prompt_store = match prompt_store {
 811                Ok(prompt_store) => prompt_store.await.ok(),
 812                Err(_) => None,
 813            };
 814            let workspace_id = workspace
 815                .read_with(cx, |workspace, _| workspace.database_id())
 816                .ok()
 817                .flatten();
 818
 819            let serialized_panel = cx
 820                .background_spawn(async move {
 821                    kvp.and_then(|kvp| {
 822                        workspace_id
 823                            .and_then(|id| read_serialized_panel(id, &kvp))
 824                            .or_else(|| read_legacy_serialized_panel(&kvp))
 825                    })
 826                })
 827                .await;
 828
 829            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 830            let text_thread_store = workspace
 831                .update(cx, |workspace, cx| {
 832                    let project = workspace.project().clone();
 833                    assistant_text_thread::TextThreadStore::new(
 834                        project,
 835                        prompt_builder,
 836                        slash_commands,
 837                        cx,
 838                    )
 839                })?
 840                .await?;
 841
 842            let last_active_thread = if let Some(thread_info) = serialized_panel
 843                .as_ref()
 844                .and_then(|p| p.last_active_thread.as_ref())
 845            {
 846                if thread_info.agent_type.is_native() {
 847                    let session_id = acp::SessionId::new(thread_info.session_id.clone());
 848                    let load_result = cx.update(|_window, cx| {
 849                        let thread_store = ThreadStore::global(cx);
 850                        thread_store.update(cx, |store, cx| store.load_thread(session_id, cx))
 851                    });
 852                    let thread_exists = if let Ok(task) = load_result {
 853                        task.await.ok().flatten().is_some()
 854                    } else {
 855                        false
 856                    };
 857                    if thread_exists {
 858                        Some(thread_info)
 859                    } else {
 860                        log::warn!(
 861                            "last active thread {} not found in database, skipping restoration",
 862                            thread_info.session_id
 863                        );
 864                        None
 865                    }
 866                } else {
 867                    Some(thread_info)
 868                }
 869            } else {
 870                None
 871            };
 872
 873            let panel = workspace.update_in(cx, |workspace, window, cx| {
 874                let panel =
 875                    cx.new(|cx| Self::new(workspace, text_thread_store, prompt_store, window, cx));
 876
 877                if let Some(serialized_panel) = &serialized_panel {
 878                    panel.update(cx, |panel, cx| {
 879                        panel.width = serialized_panel.width.map(|w| w.round());
 880                        if let Some(selected_agent) = serialized_panel.selected_agent.clone() {
 881                            panel.selected_agent_type = selected_agent;
 882                        }
 883                        if let Some(start_thread_in) = serialized_panel.start_thread_in {
 884                            let is_worktree_flag_enabled =
 885                                cx.has_flag::<AgentV2FeatureFlag>();
 886                            let is_valid = match &start_thread_in {
 887                                StartThreadIn::LocalProject => true,
 888                                StartThreadIn::NewWorktree => {
 889                                    let project = panel.project.read(cx);
 890                                    is_worktree_flag_enabled && !project.is_via_collab()
 891                                }
 892                            };
 893                            if is_valid {
 894                                panel.start_thread_in = start_thread_in;
 895                            } else {
 896                                log::info!(
 897                                    "deserialized start_thread_in {:?} is no longer valid, falling back to LocalProject",
 898                                    start_thread_in,
 899                                );
 900                            }
 901                        }
 902                        cx.notify();
 903                    });
 904                }
 905
 906                if let Some(thread_info) = last_active_thread {
 907                    let agent_type = thread_info.agent_type.clone();
 908                    panel.update(cx, |panel, cx| {
 909                        panel.selected_agent_type = agent_type;
 910                        if let Some(agent) = panel.selected_agent() {
 911                            panel.load_agent_thread(
 912                                agent,
 913                                thread_info.session_id.clone().into(),
 914                                thread_info.work_dirs.as_ref().map(|dirs| PathList::deserialize(dirs)),
 915                                thread_info.title.as_ref().map(|t| t.clone().into()),
 916                                false,
 917                                window,
 918                                cx,
 919                            );
 920                        }
 921                    });
 922                }
 923                panel
 924            })?;
 925
 926            Ok(panel)
 927        })
 928    }
 929
 930    pub(crate) fn new(
 931        workspace: &Workspace,
 932        text_thread_store: Entity<assistant_text_thread::TextThreadStore>,
 933        prompt_store: Option<Entity<PromptStore>>,
 934        window: &mut Window,
 935        cx: &mut Context<Self>,
 936    ) -> Self {
 937        let fs = workspace.app_state().fs.clone();
 938        let user_store = workspace.app_state().user_store.clone();
 939        let project = workspace.project();
 940        let language_registry = project.read(cx).languages().clone();
 941        let client = workspace.client().clone();
 942        let workspace_id = workspace.database_id();
 943        let workspace = workspace.weak_handle();
 944
 945        let context_server_registry =
 946            cx.new(|cx| ContextServerRegistry::new(project.read(cx).context_server_store(), cx));
 947
 948        let thread_store = ThreadStore::global(cx);
 949        let text_thread_history =
 950            cx.new(|cx| TextThreadHistory::new(text_thread_store.clone(), window, cx));
 951
 952        cx.subscribe_in(
 953            &text_thread_history,
 954            window,
 955            |this, _, event, window, cx| match event {
 956                TextThreadHistoryEvent::Open(thread) => {
 957                    this.open_saved_text_thread(thread.path.clone(), window, cx)
 958                        .detach_and_log_err(cx);
 959                }
 960            },
 961        )
 962        .detach();
 963
 964        let active_view = ActiveView::Uninitialized;
 965
 966        let weak_panel = cx.entity().downgrade();
 967
 968        window.defer(cx, move |window, cx| {
 969            let panel = weak_panel.clone();
 970            let agent_navigation_menu =
 971                ContextMenu::build_persistent(window, cx, move |mut menu, window, cx| {
 972                    if let Some(panel) = panel.upgrade() {
 973                        if let Some(history) = panel
 974                            .update(cx, |panel, cx| panel.history_for_selected_agent(window, cx))
 975                        {
 976                            let view_all_label = match history {
 977                                History::AgentThreads { .. } => "View All",
 978                                History::TextThreads => "View All Text Threads",
 979                            };
 980                            menu = Self::populate_recently_updated_menu_section(
 981                                menu, panel, history, cx,
 982                            );
 983                            menu = menu.action(view_all_label, Box::new(OpenHistory));
 984                        }
 985                    }
 986
 987                    menu = menu
 988                        .fixed_width(px(320.).into())
 989                        .keep_open_on_confirm(false)
 990                        .key_context("NavigationMenu");
 991
 992                    menu
 993                });
 994            weak_panel
 995                .update(cx, |panel, cx| {
 996                    cx.subscribe_in(
 997                        &agent_navigation_menu,
 998                        window,
 999                        |_, menu, _: &DismissEvent, window, cx| {
1000                            menu.update(cx, |menu, _| {
1001                                menu.clear_selected();
1002                            });
1003                            cx.focus_self(window);
1004                        },
1005                    )
1006                    .detach();
1007                    panel.agent_navigation_menu = Some(agent_navigation_menu);
1008                })
1009                .ok();
1010        });
1011
1012        let weak_panel = cx.entity().downgrade();
1013        let onboarding = cx.new(|cx| {
1014            AgentPanelOnboarding::new(
1015                user_store.clone(),
1016                client,
1017                move |_window, cx| {
1018                    weak_panel
1019                        .update(cx, |panel, _| {
1020                            panel
1021                                .on_boarding_upsell_dismissed
1022                                .store(true, Ordering::Release);
1023                        })
1024                        .ok();
1025                    OnboardingUpsell::set_dismissed(true, cx);
1026                },
1027                cx,
1028            )
1029        });
1030
1031        // Subscribe to extension events to sync agent servers when extensions change
1032        let extension_subscription = if let Some(extension_events) = ExtensionEvents::try_global(cx)
1033        {
1034            Some(
1035                cx.subscribe(&extension_events, |this, _source, event, cx| match event {
1036                    extension::Event::ExtensionInstalled(_)
1037                    | extension::Event::ExtensionUninstalled(_)
1038                    | extension::Event::ExtensionsInstalledChanged => {
1039                        this.sync_agent_servers_from_extensions(cx);
1040                    }
1041                    _ => {}
1042                }),
1043            )
1044        } else {
1045            None
1046        };
1047
1048        let connection_store = cx.new(|cx| {
1049            let mut store = AgentConnectionStore::new(project.clone(), cx);
1050            // Register the native agent right away, so that it is available for
1051            // the inline assistant etc.
1052            store.request_connection(
1053                Agent::NativeAgent,
1054                Agent::NativeAgent.server(fs.clone(), thread_store.clone()),
1055                cx,
1056            );
1057            store
1058        });
1059        let mut panel = Self {
1060            workspace_id,
1061            active_view,
1062            workspace,
1063            user_store,
1064            project: project.clone(),
1065            fs: fs.clone(),
1066            language_registry,
1067            text_thread_store,
1068            prompt_store,
1069            connection_store,
1070            configuration: None,
1071            configuration_subscription: None,
1072            focus_handle: cx.focus_handle(),
1073            context_server_registry,
1074            previous_view: None,
1075            background_threads: HashMap::default(),
1076            new_thread_menu_handle: PopoverMenuHandle::default(),
1077            start_thread_in_menu_handle: PopoverMenuHandle::default(),
1078            agent_panel_menu_handle: PopoverMenuHandle::default(),
1079            agent_navigation_menu_handle: PopoverMenuHandle::default(),
1080            agent_navigation_menu: None,
1081            _extension_subscription: extension_subscription,
1082            width: None,
1083            height: None,
1084            zoomed: false,
1085            pending_serialization: None,
1086            onboarding,
1087            text_thread_history,
1088            thread_store,
1089            selected_agent_type: AgentType::default(),
1090            start_thread_in: StartThreadIn::default(),
1091            worktree_creation_status: None,
1092            _thread_view_subscription: None,
1093            _active_thread_focus_subscription: None,
1094            _worktree_creation_task: None,
1095            show_trust_workspace_message: false,
1096            last_configuration_error_telemetry: None,
1097            on_boarding_upsell_dismissed: AtomicBool::new(OnboardingUpsell::dismissed(cx)),
1098            _active_view_observation: None,
1099        };
1100
1101        // Initial sync of agent servers from extensions
1102        panel.sync_agent_servers_from_extensions(cx);
1103        panel
1104    }
1105
1106    pub fn toggle_focus(
1107        workspace: &mut Workspace,
1108        _: &ToggleFocus,
1109        window: &mut Window,
1110        cx: &mut Context<Workspace>,
1111    ) {
1112        if workspace
1113            .panel::<Self>(cx)
1114            .is_some_and(|panel| panel.read(cx).enabled(cx))
1115        {
1116            workspace.toggle_panel_focus::<Self>(window, cx);
1117        }
1118    }
1119
1120    pub fn toggle(
1121        workspace: &mut Workspace,
1122        _: &Toggle,
1123        window: &mut Window,
1124        cx: &mut Context<Workspace>,
1125    ) {
1126        if workspace
1127            .panel::<Self>(cx)
1128            .is_some_and(|panel| panel.read(cx).enabled(cx))
1129        {
1130            if !workspace.toggle_panel_focus::<Self>(window, cx) {
1131                workspace.close_panel::<Self>(window, cx);
1132            }
1133        }
1134    }
1135
1136    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
1137        &self.prompt_store
1138    }
1139
1140    pub fn thread_store(&self) -> &Entity<ThreadStore> {
1141        &self.thread_store
1142    }
1143
1144    pub fn connection_store(&self) -> &Entity<AgentConnectionStore> {
1145        &self.connection_store
1146    }
1147
1148    pub fn open_thread(
1149        &mut self,
1150        session_id: acp::SessionId,
1151        work_dirs: Option<PathList>,
1152        title: Option<SharedString>,
1153        window: &mut Window,
1154        cx: &mut Context<Self>,
1155    ) {
1156        self.external_thread(
1157            Some(crate::Agent::NativeAgent),
1158            Some(session_id),
1159            work_dirs,
1160            title,
1161            None,
1162            true,
1163            window,
1164            cx,
1165        );
1166    }
1167
1168    pub(crate) fn context_server_registry(&self) -> &Entity<ContextServerRegistry> {
1169        &self.context_server_registry
1170    }
1171
1172    pub fn is_visible(workspace: &Entity<Workspace>, cx: &App) -> bool {
1173        let workspace_read = workspace.read(cx);
1174
1175        workspace_read
1176            .panel::<AgentPanel>(cx)
1177            .map(|panel| {
1178                let panel_id = Entity::entity_id(&panel);
1179
1180                workspace_read.all_docks().iter().any(|dock| {
1181                    dock.read(cx)
1182                        .visible_panel()
1183                        .is_some_and(|visible_panel| visible_panel.panel_id() == panel_id)
1184                })
1185            })
1186            .unwrap_or(false)
1187    }
1188
1189    pub fn new_thread(&mut self, _action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
1190        self.new_agent_thread(AgentType::NativeAgent, window, cx);
1191    }
1192
1193    fn new_native_agent_thread_from_summary(
1194        &mut self,
1195        action: &NewNativeAgentThreadFromSummary,
1196        window: &mut Window,
1197        cx: &mut Context<Self>,
1198    ) {
1199        let session_id = action.from_session_id.clone();
1200
1201        let Some(history) = self
1202            .connection_store
1203            .read(cx)
1204            .entry(&Agent::NativeAgent)
1205            .and_then(|e| e.read(cx).history().cloned())
1206        else {
1207            debug_panic!("Native agent is not registered");
1208            return;
1209        };
1210
1211        cx.spawn_in(window, async move |this, cx| {
1212            this.update_in(cx, |this, window, cx| {
1213                let thread = history
1214                    .read(cx)
1215                    .session_for_id(&session_id)
1216                    .context("Session not found")?;
1217
1218                this.external_thread(
1219                    Some(Agent::NativeAgent),
1220                    None,
1221                    None,
1222                    None,
1223                    Some(AgentInitialContent::ThreadSummary {
1224                        session_id: thread.session_id,
1225                        title: thread.title,
1226                    }),
1227                    true,
1228                    window,
1229                    cx,
1230                );
1231                anyhow::Ok(())
1232            })
1233        })
1234        .detach_and_log_err(cx);
1235    }
1236
1237    fn new_text_thread(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1238        telemetry::event!("Agent Thread Started", agent = "zed-text");
1239
1240        let context = self
1241            .text_thread_store
1242            .update(cx, |context_store, cx| context_store.create(cx));
1243        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
1244            .log_err()
1245            .flatten();
1246
1247        let text_thread_editor = cx.new(|cx| {
1248            let mut editor = TextThreadEditor::for_text_thread(
1249                context,
1250                self.fs.clone(),
1251                self.workspace.clone(),
1252                self.project.clone(),
1253                lsp_adapter_delegate,
1254                window,
1255                cx,
1256            );
1257            editor.insert_default_prompt(window, cx);
1258            editor
1259        });
1260
1261        if self.selected_agent_type != AgentType::TextThread {
1262            self.selected_agent_type = AgentType::TextThread;
1263            self.serialize(cx);
1264        }
1265
1266        self.set_active_view(
1267            ActiveView::text_thread(
1268                text_thread_editor.clone(),
1269                self.language_registry.clone(),
1270                window,
1271                cx,
1272            ),
1273            true,
1274            window,
1275            cx,
1276        );
1277        text_thread_editor.focus_handle(cx).focus(window, cx);
1278    }
1279
1280    fn external_thread(
1281        &mut self,
1282        agent_choice: Option<crate::Agent>,
1283        resume_session_id: Option<acp::SessionId>,
1284        work_dirs: Option<PathList>,
1285        title: Option<SharedString>,
1286        initial_content: Option<AgentInitialContent>,
1287        focus: bool,
1288        window: &mut Window,
1289        cx: &mut Context<Self>,
1290    ) {
1291        let workspace = self.workspace.clone();
1292        let project = self.project.clone();
1293        let fs = self.fs.clone();
1294        let is_via_collab = self.project.read(cx).is_via_collab();
1295
1296        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
1297
1298        #[derive(Serialize, Deserialize)]
1299        struct LastUsedExternalAgent {
1300            agent: crate::Agent,
1301        }
1302
1303        let thread_store = self.thread_store.clone();
1304        let kvp = KeyValueStore::global(cx);
1305
1306        if let Some(agent) = agent_choice {
1307            cx.background_spawn({
1308                let agent = agent.clone();
1309                let kvp = kvp;
1310                async move {
1311                    if let Some(serialized) =
1312                        serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
1313                    {
1314                        kvp.write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
1315                            .await
1316                            .log_err();
1317                    }
1318                }
1319            })
1320            .detach();
1321
1322            let server = agent.server(fs, thread_store);
1323            self.create_agent_thread(
1324                server,
1325                resume_session_id,
1326                work_dirs,
1327                title,
1328                initial_content,
1329                workspace,
1330                project,
1331                agent,
1332                focus,
1333                window,
1334                cx,
1335            );
1336        } else {
1337            cx.spawn_in(window, async move |this, cx| {
1338                let ext_agent = if is_via_collab {
1339                    Agent::NativeAgent
1340                } else {
1341                    cx.background_spawn(async move { kvp.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY) })
1342                        .await
1343                        .log_err()
1344                        .flatten()
1345                        .and_then(|value| {
1346                            serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
1347                        })
1348                        .map(|agent| agent.agent)
1349                        .unwrap_or(Agent::NativeAgent)
1350                };
1351
1352                let server = ext_agent.server(fs, thread_store);
1353                this.update_in(cx, |agent_panel, window, cx| {
1354                    agent_panel.create_agent_thread(
1355                        server,
1356                        resume_session_id,
1357                        work_dirs,
1358                        title,
1359                        initial_content,
1360                        workspace,
1361                        project,
1362                        ext_agent,
1363                        focus,
1364                        window,
1365                        cx,
1366                    );
1367                })?;
1368
1369                anyhow::Ok(())
1370            })
1371            .detach_and_log_err(cx);
1372        }
1373    }
1374
1375    fn deploy_rules_library(
1376        &mut self,
1377        action: &OpenRulesLibrary,
1378        _window: &mut Window,
1379        cx: &mut Context<Self>,
1380    ) {
1381        open_rules_library(
1382            self.language_registry.clone(),
1383            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
1384            Rc::new(|| {
1385                Rc::new(SlashCommandCompletionProvider::new(
1386                    Arc::new(SlashCommandWorkingSet::default()),
1387                    None,
1388                    None,
1389                ))
1390            }),
1391            action
1392                .prompt_to_select
1393                .map(|uuid| UserPromptId(uuid).into()),
1394            cx,
1395        )
1396        .detach_and_log_err(cx);
1397    }
1398
1399    fn expand_message_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1400        let Some(conversation_view) = self.active_conversation_view() else {
1401            return;
1402        };
1403
1404        let Some(active_thread) = conversation_view.read(cx).active_thread().cloned() else {
1405            return;
1406        };
1407
1408        active_thread.update(cx, |active_thread, cx| {
1409            active_thread.expand_message_editor(&ExpandMessageEditor, window, cx);
1410            active_thread.focus_handle(cx).focus(window, cx);
1411        })
1412    }
1413
1414    fn has_history_for_selected_agent(&self, cx: &App) -> bool {
1415        match &self.selected_agent_type {
1416            AgentType::TextThread | AgentType::NativeAgent => true,
1417            AgentType::Custom { id } => {
1418                let agent = Agent::Custom { id: id.clone() };
1419                self.connection_store
1420                    .read(cx)
1421                    .entry(&agent)
1422                    .map_or(false, |entry| entry.read(cx).history().is_some())
1423            }
1424        }
1425    }
1426
1427    fn history_for_selected_agent(
1428        &self,
1429        window: &mut Window,
1430        cx: &mut Context<Self>,
1431    ) -> Option<History> {
1432        match &self.selected_agent_type {
1433            AgentType::TextThread => Some(History::TextThreads),
1434            AgentType::NativeAgent => {
1435                let history = self
1436                    .connection_store
1437                    .read(cx)
1438                    .entry(&Agent::NativeAgent)?
1439                    .read(cx)
1440                    .history()?
1441                    .clone();
1442
1443                Some(History::AgentThreads {
1444                    view: self.create_thread_history_view(Agent::NativeAgent, history, window, cx),
1445                })
1446            }
1447            AgentType::Custom { id, .. } => {
1448                let agent = Agent::Custom { id: id.clone() };
1449                let history = self
1450                    .connection_store
1451                    .read(cx)
1452                    .entry(&agent)?
1453                    .read(cx)
1454                    .history()?
1455                    .clone();
1456                Some(History::AgentThreads {
1457                    view: self.create_thread_history_view(agent, history, window, cx),
1458                })
1459            }
1460        }
1461    }
1462
1463    fn create_thread_history_view(
1464        &self,
1465        agent: Agent,
1466        history: Entity<ThreadHistory>,
1467        window: &mut Window,
1468        cx: &mut Context<Self>,
1469    ) -> Entity<ThreadHistoryView> {
1470        let view = cx.new(|cx| ThreadHistoryView::new(history.clone(), window, cx));
1471        cx.subscribe_in(
1472            &view,
1473            window,
1474            move |this, _, event, window, cx| match event {
1475                ThreadHistoryViewEvent::Open(thread) => {
1476                    this.load_agent_thread(
1477                        agent.clone(),
1478                        thread.session_id.clone(),
1479                        thread.work_dirs.clone(),
1480                        thread.title.clone(),
1481                        true,
1482                        window,
1483                        cx,
1484                    );
1485                }
1486            },
1487        )
1488        .detach();
1489        view
1490    }
1491
1492    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1493        let Some(history) = self.history_for_selected_agent(window, cx) else {
1494            return;
1495        };
1496
1497        if let ActiveView::History {
1498            history: active_history,
1499        } = &self.active_view
1500        {
1501            if active_history == &history {
1502                if let Some(previous_view) = self.previous_view.take() {
1503                    self.set_active_view(previous_view, true, window, cx);
1504                }
1505                return;
1506            }
1507        }
1508
1509        self.set_active_view(ActiveView::History { history }, true, window, cx);
1510        cx.notify();
1511    }
1512
1513    pub(crate) fn open_saved_text_thread(
1514        &mut self,
1515        path: Arc<Path>,
1516        window: &mut Window,
1517        cx: &mut Context<Self>,
1518    ) -> Task<Result<()>> {
1519        let text_thread_task = self
1520            .text_thread_store
1521            .update(cx, |store, cx| store.open_local(path, cx));
1522        cx.spawn_in(window, async move |this, cx| {
1523            let text_thread = text_thread_task.await?;
1524            this.update_in(cx, |this, window, cx| {
1525                this.open_text_thread(text_thread, window, cx);
1526            })
1527        })
1528    }
1529
1530    pub(crate) fn open_text_thread(
1531        &mut self,
1532        text_thread: Entity<TextThread>,
1533        window: &mut Window,
1534        cx: &mut Context<Self>,
1535    ) {
1536        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
1537            .log_err()
1538            .flatten();
1539        let editor = cx.new(|cx| {
1540            TextThreadEditor::for_text_thread(
1541                text_thread,
1542                self.fs.clone(),
1543                self.workspace.clone(),
1544                self.project.clone(),
1545                lsp_adapter_delegate,
1546                window,
1547                cx,
1548            )
1549        });
1550
1551        if self.selected_agent_type != AgentType::TextThread {
1552            self.selected_agent_type = AgentType::TextThread;
1553            self.serialize(cx);
1554        }
1555
1556        self.set_active_view(
1557            ActiveView::text_thread(editor, self.language_registry.clone(), window, cx),
1558            true,
1559            window,
1560            cx,
1561        );
1562    }
1563
1564    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1565        match self.active_view {
1566            ActiveView::Configuration | ActiveView::History { .. } => {
1567                if let Some(previous_view) = self.previous_view.take() {
1568                    self.set_active_view(previous_view, true, window, cx);
1569                }
1570                cx.notify();
1571            }
1572            _ => {}
1573        }
1574    }
1575
1576    pub fn toggle_navigation_menu(
1577        &mut self,
1578        _: &ToggleNavigationMenu,
1579        window: &mut Window,
1580        cx: &mut Context<Self>,
1581    ) {
1582        if !self.has_history_for_selected_agent(cx) {
1583            return;
1584        }
1585        self.agent_navigation_menu_handle.toggle(window, cx);
1586    }
1587
1588    pub fn toggle_options_menu(
1589        &mut self,
1590        _: &ToggleOptionsMenu,
1591        window: &mut Window,
1592        cx: &mut Context<Self>,
1593    ) {
1594        self.agent_panel_menu_handle.toggle(window, cx);
1595    }
1596
1597    pub fn toggle_new_thread_menu(
1598        &mut self,
1599        _: &ToggleNewThreadMenu,
1600        window: &mut Window,
1601        cx: &mut Context<Self>,
1602    ) {
1603        self.new_thread_menu_handle.toggle(window, cx);
1604    }
1605
1606    pub fn increase_font_size(
1607        &mut self,
1608        action: &IncreaseBufferFontSize,
1609        _: &mut Window,
1610        cx: &mut Context<Self>,
1611    ) {
1612        self.handle_font_size_action(action.persist, px(1.0), cx);
1613    }
1614
1615    pub fn decrease_font_size(
1616        &mut self,
1617        action: &DecreaseBufferFontSize,
1618        _: &mut Window,
1619        cx: &mut Context<Self>,
1620    ) {
1621        self.handle_font_size_action(action.persist, px(-1.0), cx);
1622    }
1623
1624    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1625        match self.active_view.which_font_size_used() {
1626            WhichFontSize::AgentFont => {
1627                if persist {
1628                    update_settings_file(self.fs.clone(), cx, move |settings, cx| {
1629                        let agent_ui_font_size =
1630                            ThemeSettings::get_global(cx).agent_ui_font_size(cx) + delta;
1631                        let agent_buffer_font_size =
1632                            ThemeSettings::get_global(cx).agent_buffer_font_size(cx) + delta;
1633
1634                        let _ = settings
1635                            .theme
1636                            .agent_ui_font_size
1637                            .insert(f32::from(theme::clamp_font_size(agent_ui_font_size)).into());
1638                        let _ = settings.theme.agent_buffer_font_size.insert(
1639                            f32::from(theme::clamp_font_size(agent_buffer_font_size)).into(),
1640                        );
1641                    });
1642                } else {
1643                    theme::adjust_agent_ui_font_size(cx, |size| size + delta);
1644                    theme::adjust_agent_buffer_font_size(cx, |size| size + delta);
1645                }
1646            }
1647            WhichFontSize::BufferFont => {
1648                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1649                // default handler that changes that font size.
1650                cx.propagate();
1651            }
1652            WhichFontSize::None => {}
1653        }
1654    }
1655
1656    pub fn reset_font_size(
1657        &mut self,
1658        action: &ResetBufferFontSize,
1659        _: &mut Window,
1660        cx: &mut Context<Self>,
1661    ) {
1662        if action.persist {
1663            update_settings_file(self.fs.clone(), cx, move |settings, _| {
1664                settings.theme.agent_ui_font_size = None;
1665                settings.theme.agent_buffer_font_size = None;
1666            });
1667        } else {
1668            theme::reset_agent_ui_font_size(cx);
1669            theme::reset_agent_buffer_font_size(cx);
1670        }
1671    }
1672
1673    pub fn reset_agent_zoom(&mut self, _window: &mut Window, cx: &mut Context<Self>) {
1674        theme::reset_agent_ui_font_size(cx);
1675        theme::reset_agent_buffer_font_size(cx);
1676    }
1677
1678    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1679        if self.zoomed {
1680            cx.emit(PanelEvent::ZoomOut);
1681        } else {
1682            if !self.focus_handle(cx).contains_focused(window, cx) {
1683                cx.focus_self(window);
1684            }
1685            cx.emit(PanelEvent::ZoomIn);
1686        }
1687    }
1688
1689    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1690        let agent_server_store = self.project.read(cx).agent_server_store().clone();
1691        let context_server_store = self.project.read(cx).context_server_store();
1692        let fs = self.fs.clone();
1693
1694        self.set_active_view(ActiveView::Configuration, true, window, cx);
1695        self.configuration = Some(cx.new(|cx| {
1696            AgentConfiguration::new(
1697                fs,
1698                agent_server_store,
1699                context_server_store,
1700                self.context_server_registry.clone(),
1701                self.language_registry.clone(),
1702                self.workspace.clone(),
1703                window,
1704                cx,
1705            )
1706        }));
1707
1708        if let Some(configuration) = self.configuration.as_ref() {
1709            self.configuration_subscription = Some(cx.subscribe_in(
1710                configuration,
1711                window,
1712                Self::handle_agent_configuration_event,
1713            ));
1714
1715            configuration.focus_handle(cx).focus(window, cx);
1716        }
1717    }
1718
1719    pub(crate) fn open_active_thread_as_markdown(
1720        &mut self,
1721        _: &OpenActiveThreadAsMarkdown,
1722        window: &mut Window,
1723        cx: &mut Context<Self>,
1724    ) {
1725        if let Some(workspace) = self.workspace.upgrade()
1726            && let Some(conversation_view) = self.active_conversation_view()
1727            && let Some(active_thread) = conversation_view.read(cx).active_thread().cloned()
1728        {
1729            active_thread.update(cx, |thread, cx| {
1730                thread
1731                    .open_thread_as_markdown(workspace, window, cx)
1732                    .detach_and_log_err(cx);
1733            });
1734        }
1735    }
1736
1737    fn copy_thread_to_clipboard(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1738        let Some(thread) = self.active_native_agent_thread(cx) else {
1739            Self::show_deferred_toast(&self.workspace, "No active native thread to copy", cx);
1740            return;
1741        };
1742
1743        let workspace = self.workspace.clone();
1744        let load_task = thread.read(cx).to_db(cx);
1745
1746        cx.spawn_in(window, async move |_this, cx| {
1747            let db_thread = load_task.await;
1748            let shared_thread = SharedThread::from_db_thread(&db_thread);
1749            let thread_data = shared_thread.to_bytes()?;
1750            let encoded = base64::Engine::encode(&base64::prelude::BASE64_STANDARD, &thread_data);
1751
1752            cx.update(|_window, cx| {
1753                cx.write_to_clipboard(ClipboardItem::new_string(encoded));
1754                if let Some(workspace) = workspace.upgrade() {
1755                    workspace.update(cx, |workspace, cx| {
1756                        struct ThreadCopiedToast;
1757                        workspace.show_toast(
1758                            workspace::Toast::new(
1759                                workspace::notifications::NotificationId::unique::<ThreadCopiedToast>(),
1760                                "Thread copied to clipboard (base64 encoded)",
1761                            )
1762                            .autohide(),
1763                            cx,
1764                        );
1765                    });
1766                }
1767            })?;
1768
1769            anyhow::Ok(())
1770        })
1771        .detach_and_log_err(cx);
1772    }
1773
1774    fn show_deferred_toast(
1775        workspace: &WeakEntity<workspace::Workspace>,
1776        message: &'static str,
1777        cx: &mut App,
1778    ) {
1779        let workspace = workspace.clone();
1780        cx.defer(move |cx| {
1781            if let Some(workspace) = workspace.upgrade() {
1782                workspace.update(cx, |workspace, cx| {
1783                    struct ClipboardToast;
1784                    workspace.show_toast(
1785                        workspace::Toast::new(
1786                            workspace::notifications::NotificationId::unique::<ClipboardToast>(),
1787                            message,
1788                        )
1789                        .autohide(),
1790                        cx,
1791                    );
1792                });
1793            }
1794        });
1795    }
1796
1797    fn load_thread_from_clipboard(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1798        let Some(clipboard) = cx.read_from_clipboard() else {
1799            Self::show_deferred_toast(&self.workspace, "No clipboard content available", cx);
1800            return;
1801        };
1802
1803        let Some(encoded) = clipboard.text() else {
1804            Self::show_deferred_toast(&self.workspace, "Clipboard does not contain text", cx);
1805            return;
1806        };
1807
1808        let thread_data = match base64::Engine::decode(&base64::prelude::BASE64_STANDARD, &encoded)
1809        {
1810            Ok(data) => data,
1811            Err(_) => {
1812                Self::show_deferred_toast(
1813                    &self.workspace,
1814                    "Failed to decode clipboard content (expected base64)",
1815                    cx,
1816                );
1817                return;
1818            }
1819        };
1820
1821        let shared_thread = match SharedThread::from_bytes(&thread_data) {
1822            Ok(thread) => thread,
1823            Err(_) => {
1824                Self::show_deferred_toast(
1825                    &self.workspace,
1826                    "Failed to parse thread data from clipboard",
1827                    cx,
1828                );
1829                return;
1830            }
1831        };
1832
1833        let db_thread = shared_thread.to_db_thread();
1834        let session_id = acp::SessionId::new(uuid::Uuid::new_v4().to_string());
1835        let thread_store = self.thread_store.clone();
1836        let title = db_thread.title.clone();
1837        let workspace = self.workspace.clone();
1838
1839        cx.spawn_in(window, async move |this, cx| {
1840            thread_store
1841                .update(&mut cx.clone(), |store, cx| {
1842                    store.save_thread(session_id.clone(), db_thread, Default::default(), cx)
1843                })
1844                .await?;
1845
1846            this.update_in(cx, |this, window, cx| {
1847                this.open_thread(session_id, None, Some(title), window, cx);
1848            })?;
1849
1850            this.update_in(cx, |_, _window, cx| {
1851                if let Some(workspace) = workspace.upgrade() {
1852                    workspace.update(cx, |workspace, cx| {
1853                        struct ThreadLoadedToast;
1854                        workspace.show_toast(
1855                            workspace::Toast::new(
1856                                workspace::notifications::NotificationId::unique::<ThreadLoadedToast>(),
1857                                "Thread loaded from clipboard",
1858                            )
1859                            .autohide(),
1860                            cx,
1861                        );
1862                    });
1863                }
1864            })?;
1865
1866            anyhow::Ok(())
1867        })
1868        .detach_and_log_err(cx);
1869    }
1870
1871    fn handle_agent_configuration_event(
1872        &mut self,
1873        _entity: &Entity<AgentConfiguration>,
1874        event: &AssistantConfigurationEvent,
1875        window: &mut Window,
1876        cx: &mut Context<Self>,
1877    ) {
1878        match event {
1879            AssistantConfigurationEvent::NewThread(provider) => {
1880                if LanguageModelRegistry::read_global(cx)
1881                    .default_model()
1882                    .is_none_or(|model| model.provider.id() != provider.id())
1883                    && let Some(model) = provider.default_model(cx)
1884                {
1885                    update_settings_file(self.fs.clone(), cx, move |settings, _| {
1886                        let provider = model.provider_id().0.to_string();
1887                        let enable_thinking = model.supports_thinking();
1888                        let effort = model
1889                            .default_effort_level()
1890                            .map(|effort| effort.value.to_string());
1891                        let model = model.id().0.to_string();
1892                        settings
1893                            .agent
1894                            .get_or_insert_default()
1895                            .set_model(LanguageModelSelection {
1896                                provider: LanguageModelProviderSetting(provider),
1897                                model,
1898                                enable_thinking,
1899                                effort,
1900                            })
1901                    });
1902                }
1903
1904                self.new_thread(&NewThread, window, cx);
1905                if let Some((thread, model)) = self
1906                    .active_native_agent_thread(cx)
1907                    .zip(provider.default_model(cx))
1908                {
1909                    thread.update(cx, |thread, cx| {
1910                        thread.set_model(model, cx);
1911                    });
1912                }
1913            }
1914        }
1915    }
1916
1917    pub fn active_conversation_view(&self) -> Option<&Entity<ConversationView>> {
1918        match &self.active_view {
1919            ActiveView::AgentThread { conversation_view } => Some(conversation_view),
1920            _ => None,
1921        }
1922    }
1923
1924    pub fn active_thread_view(&self, cx: &App) -> Option<Entity<ThreadView>> {
1925        let server_view = self.active_conversation_view()?;
1926        server_view.read(cx).active_thread().cloned()
1927    }
1928
1929    pub fn active_agent_thread(&self, cx: &App) -> Option<Entity<AcpThread>> {
1930        match &self.active_view {
1931            ActiveView::AgentThread {
1932                conversation_view, ..
1933            } => conversation_view
1934                .read(cx)
1935                .active_thread()
1936                .map(|r| r.read(cx).thread.clone()),
1937            _ => None,
1938        }
1939    }
1940
1941    /// Returns the primary thread views for all retained connections: the
1942    pub fn is_background_thread(&self, session_id: &acp::SessionId) -> bool {
1943        self.background_threads.contains_key(session_id)
1944    }
1945
1946    pub fn cancel_thread(&self, session_id: &acp::SessionId, cx: &mut Context<Self>) -> bool {
1947        let conversation_views = self
1948            .active_conversation_view()
1949            .into_iter()
1950            .chain(self.background_threads.values());
1951
1952        for conversation_view in conversation_views {
1953            if let Some(thread_view) = conversation_view.read(cx).thread_view(session_id) {
1954                thread_view.update(cx, |view, cx| view.cancel_generation(cx));
1955                return true;
1956            }
1957        }
1958        false
1959    }
1960
1961    /// active thread plus any background threads that are still running or
1962    /// completed but unseen.
1963    pub fn parent_threads(&self, cx: &App) -> Vec<Entity<ThreadView>> {
1964        let mut views = Vec::new();
1965
1966        if let Some(server_view) = self.active_conversation_view() {
1967            if let Some(thread_view) = server_view.read(cx).root_thread(cx) {
1968                views.push(thread_view);
1969            }
1970        }
1971
1972        for server_view in self.background_threads.values() {
1973            if let Some(thread_view) = server_view.read(cx).root_thread(cx) {
1974                views.push(thread_view);
1975            }
1976        }
1977
1978        views
1979    }
1980
1981    fn retain_running_thread(&mut self, old_view: ActiveView, cx: &mut Context<Self>) {
1982        let ActiveView::AgentThread { conversation_view } = old_view else {
1983            return;
1984        };
1985
1986        let Some(thread_view) = conversation_view.read(cx).root_thread(cx) else {
1987            return;
1988        };
1989
1990        self.background_threads
1991            .insert(thread_view.read(cx).id.clone(), conversation_view);
1992        self.cleanup_background_threads(cx);
1993    }
1994
1995    /// We keep threads that are:
1996    /// - Still running
1997    /// - Do not support reloading the full session
1998    /// - Have had the most recent events (up to 5 idle threads)
1999    fn cleanup_background_threads(&mut self, cx: &App) {
2000        let mut potential_removals = self
2001            .background_threads
2002            .iter()
2003            .filter(|(_id, view)| {
2004                let Some(thread_view) = view.read(cx).root_thread(cx) else {
2005                    return true;
2006                };
2007                let thread = thread_view.read(cx).thread.read(cx);
2008                thread.connection().supports_load_session() && thread.status() == ThreadStatus::Idle
2009            })
2010            .collect::<Vec<_>>();
2011
2012        const MAX_IDLE_BACKGROUND_THREADS: usize = 5;
2013
2014        potential_removals.sort_unstable_by_key(|(_, view)| view.read(cx).updated_at(cx));
2015        let n = potential_removals
2016            .len()
2017            .saturating_sub(MAX_IDLE_BACKGROUND_THREADS);
2018        let to_remove = potential_removals
2019            .into_iter()
2020            .map(|(id, _)| id.clone())
2021            .take(n)
2022            .collect::<Vec<_>>();
2023        for id in to_remove {
2024            self.background_threads.remove(&id);
2025        }
2026    }
2027
2028    pub(crate) fn active_native_agent_thread(&self, cx: &App) -> Option<Entity<agent::Thread>> {
2029        match &self.active_view {
2030            ActiveView::AgentThread {
2031                conversation_view, ..
2032            } => conversation_view.read(cx).as_native_thread(cx),
2033            _ => None,
2034        }
2035    }
2036
2037    pub(crate) fn active_text_thread_editor(&self) -> Option<Entity<TextThreadEditor>> {
2038        match &self.active_view {
2039            ActiveView::TextThread {
2040                text_thread_editor, ..
2041            } => Some(text_thread_editor.clone()),
2042            _ => None,
2043        }
2044    }
2045
2046    fn set_active_view(
2047        &mut self,
2048        new_view: ActiveView,
2049        focus: bool,
2050        window: &mut Window,
2051        cx: &mut Context<Self>,
2052    ) {
2053        let was_in_agent_history = matches!(
2054            self.active_view,
2055            ActiveView::History {
2056                history: History::AgentThreads { .. }
2057            }
2058        );
2059        let current_is_uninitialized = matches!(self.active_view, ActiveView::Uninitialized);
2060        let current_is_history = matches!(self.active_view, ActiveView::History { .. });
2061        let new_is_history = matches!(new_view, ActiveView::History { .. });
2062
2063        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
2064        let new_is_config = matches!(new_view, ActiveView::Configuration);
2065
2066        let current_is_overlay = current_is_history || current_is_config;
2067        let new_is_overlay = new_is_history || new_is_config;
2068
2069        if current_is_uninitialized || (current_is_overlay && !new_is_overlay) {
2070            self.active_view = new_view;
2071        } else if !current_is_overlay && new_is_overlay {
2072            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
2073        } else {
2074            let old_view = std::mem::replace(&mut self.active_view, new_view);
2075            if !new_is_overlay {
2076                if let Some(previous) = self.previous_view.take() {
2077                    self.retain_running_thread(previous, cx);
2078                }
2079            }
2080            self.retain_running_thread(old_view, cx);
2081        }
2082
2083        // Subscribe to the active ThreadView's events (e.g. FirstSendRequested)
2084        // so the panel can intercept the first send for worktree creation.
2085        // Re-subscribe whenever the ConnectionView changes, since the inner
2086        // ThreadView may have been replaced (e.g. navigating between threads).
2087        self._active_view_observation = match &self.active_view {
2088            ActiveView::AgentThread { conversation_view } => {
2089                self._thread_view_subscription =
2090                    Self::subscribe_to_active_thread_view(conversation_view, window, cx);
2091                let focus_handle = conversation_view.focus_handle(cx);
2092                self._active_thread_focus_subscription =
2093                    Some(cx.on_focus_in(&focus_handle, window, |_this, _window, cx| {
2094                        cx.emit(AgentPanelEvent::ThreadFocused);
2095                        cx.notify();
2096                    }));
2097                Some(cx.observe_in(
2098                    conversation_view,
2099                    window,
2100                    |this, server_view, window, cx| {
2101                        this._thread_view_subscription =
2102                            Self::subscribe_to_active_thread_view(&server_view, window, cx);
2103                        cx.emit(AgentPanelEvent::ActiveViewChanged);
2104                        this.serialize(cx);
2105                        cx.notify();
2106                    },
2107                ))
2108            }
2109            _ => {
2110                self._thread_view_subscription = None;
2111                self._active_thread_focus_subscription = None;
2112                None
2113            }
2114        };
2115
2116        if let ActiveView::History { history } = &self.active_view {
2117            if !was_in_agent_history && let History::AgentThreads { view } = history {
2118                view.update(cx, |view, cx| {
2119                    view.history()
2120                        .update(cx, |history, cx| history.refresh_full_history(cx))
2121                });
2122            }
2123        }
2124
2125        if focus {
2126            self.focus_handle(cx).focus(window, cx);
2127        }
2128        cx.emit(AgentPanelEvent::ActiveViewChanged);
2129    }
2130
2131    fn populate_recently_updated_menu_section(
2132        mut menu: ContextMenu,
2133        panel: Entity<Self>,
2134        history: History,
2135        cx: &mut Context<ContextMenu>,
2136    ) -> ContextMenu {
2137        match history {
2138            History::AgentThreads { view } => {
2139                let entries = view
2140                    .read(cx)
2141                    .history()
2142                    .read(cx)
2143                    .sessions()
2144                    .iter()
2145                    .take(RECENTLY_UPDATED_MENU_LIMIT)
2146                    .cloned()
2147                    .collect::<Vec<_>>();
2148
2149                if entries.is_empty() {
2150                    return menu;
2151                }
2152
2153                menu = menu.header("Recently Updated");
2154
2155                for entry in entries {
2156                    let title = entry
2157                        .title
2158                        .as_ref()
2159                        .filter(|title| !title.is_empty())
2160                        .cloned()
2161                        .unwrap_or_else(|| SharedString::new_static(DEFAULT_THREAD_TITLE));
2162
2163                    menu = menu.entry(title, None, {
2164                        let panel = panel.downgrade();
2165                        let entry = entry.clone();
2166                        move |window, cx| {
2167                            let entry = entry.clone();
2168                            panel
2169                                .update(cx, move |this, cx| {
2170                                    if let Some(agent) = this.selected_agent() {
2171                                        this.load_agent_thread(
2172                                            agent,
2173                                            entry.session_id.clone(),
2174                                            entry.work_dirs.clone(),
2175                                            entry.title.clone(),
2176                                            true,
2177                                            window,
2178                                            cx,
2179                                        );
2180                                    }
2181                                })
2182                                .ok();
2183                        }
2184                    });
2185                }
2186            }
2187            History::TextThreads => {
2188                let entries = panel
2189                    .read(cx)
2190                    .text_thread_store
2191                    .read(cx)
2192                    .ordered_text_threads()
2193                    .take(RECENTLY_UPDATED_MENU_LIMIT)
2194                    .cloned()
2195                    .collect::<Vec<_>>();
2196
2197                if entries.is_empty() {
2198                    return menu;
2199                }
2200
2201                menu = menu.header("Recent Text Threads");
2202
2203                for entry in entries {
2204                    let title = if entry.title.is_empty() {
2205                        SharedString::new_static(DEFAULT_THREAD_TITLE)
2206                    } else {
2207                        entry.title.clone()
2208                    };
2209
2210                    menu = menu.entry(title, None, {
2211                        let panel = panel.downgrade();
2212                        let entry = entry.clone();
2213                        move |window, cx| {
2214                            let path = entry.path.clone();
2215                            panel
2216                                .update(cx, move |this, cx| {
2217                                    this.open_saved_text_thread(path.clone(), window, cx)
2218                                        .detach_and_log_err(cx);
2219                                })
2220                                .ok();
2221                        }
2222                    });
2223                }
2224            }
2225        }
2226
2227        menu.separator()
2228    }
2229
2230    fn subscribe_to_active_thread_view(
2231        server_view: &Entity<ConversationView>,
2232        window: &mut Window,
2233        cx: &mut Context<Self>,
2234    ) -> Option<Subscription> {
2235        server_view.read(cx).active_thread().cloned().map(|tv| {
2236            cx.subscribe_in(
2237                &tv,
2238                window,
2239                |this, view, event: &AcpThreadViewEvent, window, cx| match event {
2240                    AcpThreadViewEvent::FirstSendRequested { content } => {
2241                        this.handle_first_send_requested(view.clone(), content.clone(), window, cx);
2242                    }
2243                },
2244            )
2245        })
2246    }
2247
2248    pub fn start_thread_in(&self) -> &StartThreadIn {
2249        &self.start_thread_in
2250    }
2251
2252    fn set_start_thread_in(
2253        &mut self,
2254        action: &StartThreadIn,
2255        window: &mut Window,
2256        cx: &mut Context<Self>,
2257    ) {
2258        if matches!(action, StartThreadIn::NewWorktree) && !cx.has_flag::<AgentV2FeatureFlag>() {
2259            return;
2260        }
2261
2262        let new_target = match *action {
2263            StartThreadIn::LocalProject => StartThreadIn::LocalProject,
2264            StartThreadIn::NewWorktree => {
2265                if !self.project_has_git_repository(cx) {
2266                    log::error!(
2267                        "set_start_thread_in: cannot use NewWorktree without a git repository"
2268                    );
2269                    return;
2270                }
2271                if self.project.read(cx).is_via_collab() {
2272                    log::error!("set_start_thread_in: cannot use NewWorktree in a collab project");
2273                    return;
2274                }
2275                StartThreadIn::NewWorktree
2276            }
2277        };
2278        self.start_thread_in = new_target;
2279        if let Some(thread) = self.active_thread_view(cx) {
2280            thread.update(cx, |thread, cx| thread.focus_handle(cx).focus(window, cx));
2281        }
2282        self.serialize(cx);
2283        cx.notify();
2284    }
2285
2286    fn cycle_start_thread_in(&mut self, window: &mut Window, cx: &mut Context<Self>) {
2287        let next = match self.start_thread_in {
2288            StartThreadIn::LocalProject => StartThreadIn::NewWorktree,
2289            StartThreadIn::NewWorktree => StartThreadIn::LocalProject,
2290        };
2291        self.set_start_thread_in(&next, window, cx);
2292    }
2293
2294    fn reset_start_thread_in_to_default(&mut self, cx: &mut Context<Self>) {
2295        use settings::{NewThreadLocation, Settings};
2296        let default = AgentSettings::get_global(cx).new_thread_location;
2297        let start_thread_in = match default {
2298            NewThreadLocation::LocalProject => StartThreadIn::LocalProject,
2299            NewThreadLocation::NewWorktree => {
2300                if self.project_has_git_repository(cx) {
2301                    StartThreadIn::NewWorktree
2302                } else {
2303                    StartThreadIn::LocalProject
2304                }
2305            }
2306        };
2307        if self.start_thread_in != start_thread_in {
2308            self.start_thread_in = start_thread_in;
2309            self.serialize(cx);
2310            cx.notify();
2311        }
2312    }
2313
2314    pub(crate) fn selected_agent(&self) -> Option<Agent> {
2315        match &self.selected_agent_type {
2316            AgentType::NativeAgent => Some(Agent::NativeAgent),
2317            AgentType::Custom { id } => Some(Agent::Custom { id: id.clone() }),
2318            AgentType::TextThread => None,
2319        }
2320    }
2321
2322    fn sync_agent_servers_from_extensions(&mut self, cx: &mut Context<Self>) {
2323        if let Some(extension_store) = ExtensionStore::try_global(cx) {
2324            let (manifests, extensions_dir) = {
2325                let store = extension_store.read(cx);
2326                let installed = store.installed_extensions();
2327                let manifests: Vec<_> = installed
2328                    .iter()
2329                    .map(|(id, entry)| (id.clone(), entry.manifest.clone()))
2330                    .collect();
2331                let extensions_dir = paths::extensions_dir().join("installed");
2332                (manifests, extensions_dir)
2333            };
2334
2335            self.project.update(cx, |project, cx| {
2336                project.agent_server_store().update(cx, |store, cx| {
2337                    let manifest_refs: Vec<_> = manifests
2338                        .iter()
2339                        .map(|(id, manifest)| (id.as_ref(), manifest.as_ref()))
2340                        .collect();
2341                    store.sync_extension_agents(manifest_refs, extensions_dir, cx);
2342                });
2343            });
2344        }
2345    }
2346
2347    pub fn new_agent_thread_with_external_source_prompt(
2348        &mut self,
2349        external_source_prompt: Option<ExternalSourcePrompt>,
2350        window: &mut Window,
2351        cx: &mut Context<Self>,
2352    ) {
2353        self.external_thread(
2354            None,
2355            None,
2356            None,
2357            None,
2358            external_source_prompt.map(AgentInitialContent::from),
2359            true,
2360            window,
2361            cx,
2362        );
2363    }
2364
2365    pub fn new_agent_thread(
2366        &mut self,
2367        agent: AgentType,
2368        window: &mut Window,
2369        cx: &mut Context<Self>,
2370    ) {
2371        self.reset_start_thread_in_to_default(cx);
2372        self.new_agent_thread_inner(agent, true, window, cx);
2373    }
2374
2375    fn new_agent_thread_inner(
2376        &mut self,
2377        agent: AgentType,
2378        focus: bool,
2379        window: &mut Window,
2380        cx: &mut Context<Self>,
2381    ) {
2382        match agent {
2383            AgentType::TextThread => {
2384                window.dispatch_action(NewTextThread.boxed_clone(), cx);
2385            }
2386            AgentType::NativeAgent => self.external_thread(
2387                Some(crate::Agent::NativeAgent),
2388                None,
2389                None,
2390                None,
2391                None,
2392                focus,
2393                window,
2394                cx,
2395            ),
2396            AgentType::Custom { id } => self.external_thread(
2397                Some(crate::Agent::Custom { id }),
2398                None,
2399                None,
2400                None,
2401                None,
2402                focus,
2403                window,
2404                cx,
2405            ),
2406        }
2407    }
2408
2409    pub fn load_agent_thread(
2410        &mut self,
2411        agent: Agent,
2412        session_id: acp::SessionId,
2413        work_dirs: Option<PathList>,
2414        title: Option<SharedString>,
2415        focus: bool,
2416        window: &mut Window,
2417        cx: &mut Context<Self>,
2418    ) {
2419        if let Some(conversation_view) = self.background_threads.remove(&session_id) {
2420            self.set_active_view(
2421                ActiveView::AgentThread { conversation_view },
2422                focus,
2423                window,
2424                cx,
2425            );
2426            return;
2427        }
2428
2429        if let ActiveView::AgentThread { conversation_view } = &self.active_view {
2430            if conversation_view
2431                .read(cx)
2432                .active_thread()
2433                .map(|t| t.read(cx).id.clone())
2434                == Some(session_id.clone())
2435            {
2436                cx.emit(AgentPanelEvent::ActiveViewChanged);
2437                return;
2438            }
2439        }
2440
2441        if let Some(ActiveView::AgentThread { conversation_view }) = &self.previous_view {
2442            if conversation_view
2443                .read(cx)
2444                .active_thread()
2445                .map(|t| t.read(cx).id.clone())
2446                == Some(session_id.clone())
2447            {
2448                let view = self.previous_view.take().unwrap();
2449                self.set_active_view(view, focus, window, cx);
2450                return;
2451            }
2452        }
2453
2454        self.external_thread(
2455            Some(agent),
2456            Some(session_id),
2457            work_dirs,
2458            title,
2459            None,
2460            focus,
2461            window,
2462            cx,
2463        );
2464    }
2465
2466    pub(crate) fn create_agent_thread(
2467        &mut self,
2468        server: Rc<dyn AgentServer>,
2469        resume_session_id: Option<acp::SessionId>,
2470        work_dirs: Option<PathList>,
2471        title: Option<SharedString>,
2472        initial_content: Option<AgentInitialContent>,
2473        workspace: WeakEntity<Workspace>,
2474        project: Entity<Project>,
2475        ext_agent: Agent,
2476        focus: bool,
2477        window: &mut Window,
2478        cx: &mut Context<Self>,
2479    ) {
2480        let selected_agent = AgentType::from(ext_agent.clone());
2481        if self.selected_agent_type != selected_agent {
2482            self.selected_agent_type = selected_agent;
2483            self.serialize(cx);
2484        }
2485        let thread_store = server
2486            .clone()
2487            .downcast::<agent::NativeAgentServer>()
2488            .is_some()
2489            .then(|| self.thread_store.clone());
2490
2491        let connection_store = self.connection_store.clone();
2492
2493        let conversation_view = cx.new(|cx| {
2494            crate::ConversationView::new(
2495                server,
2496                connection_store,
2497                ext_agent,
2498                resume_session_id,
2499                work_dirs,
2500                title,
2501                initial_content,
2502                workspace.clone(),
2503                project,
2504                thread_store,
2505                self.prompt_store.clone(),
2506                window,
2507                cx,
2508            )
2509        });
2510
2511        cx.observe(&conversation_view, |this, server_view, cx| {
2512            let is_active = this
2513                .active_conversation_view()
2514                .is_some_and(|active| active.entity_id() == server_view.entity_id());
2515            if is_active {
2516                cx.emit(AgentPanelEvent::ActiveViewChanged);
2517                this.serialize(cx);
2518            } else {
2519                cx.emit(AgentPanelEvent::BackgroundThreadChanged);
2520            }
2521            cx.notify();
2522        })
2523        .detach();
2524
2525        self.set_active_view(
2526            ActiveView::AgentThread { conversation_view },
2527            focus,
2528            window,
2529            cx,
2530        );
2531    }
2532
2533    fn active_thread_has_messages(&self, cx: &App) -> bool {
2534        self.active_agent_thread(cx)
2535            .is_some_and(|thread| !thread.read(cx).entries().is_empty())
2536    }
2537
2538    pub fn active_thread_is_draft(&self, cx: &App) -> bool {
2539        self.active_conversation_view().is_some() && !self.active_thread_has_messages(cx)
2540    }
2541
2542    fn handle_first_send_requested(
2543        &mut self,
2544        thread_view: Entity<ThreadView>,
2545        content: Vec<acp::ContentBlock>,
2546        window: &mut Window,
2547        cx: &mut Context<Self>,
2548    ) {
2549        if self.start_thread_in == StartThreadIn::NewWorktree {
2550            self.handle_worktree_creation_requested(content, window, cx);
2551        } else {
2552            cx.defer_in(window, move |_this, window, cx| {
2553                thread_view.update(cx, |thread_view, cx| {
2554                    let editor = thread_view.message_editor.clone();
2555                    thread_view.send_impl(editor, window, cx);
2556                });
2557            });
2558        }
2559    }
2560
2561    // TODO: The mapping from workspace root paths to git repositories needs a
2562    // unified approach across the codebase: this method, `sidebar::is_root_repo`,
2563    // thread persistence (which PathList is saved to the database), and thread
2564    // querying (which PathList is used to read threads back). All of these need
2565    // to agree on how repos are resolved for a given workspace, especially in
2566    // multi-root and nested-repo configurations.
2567    /// Partitions the project's visible worktrees into git-backed repositories
2568    /// and plain (non-git) paths. Git repos will have worktrees created for
2569    /// them; non-git paths are carried over to the new workspace as-is.
2570    ///
2571    /// When multiple worktrees map to the same repository, the most specific
2572    /// match wins (deepest work directory path), with a deterministic
2573    /// tie-break on entity id. Each repository appears at most once.
2574    fn classify_worktrees(
2575        &self,
2576        cx: &App,
2577    ) -> (Vec<Entity<project::git_store::Repository>>, Vec<PathBuf>) {
2578        let project = &self.project;
2579        let repositories = project.read(cx).repositories(cx).clone();
2580        let mut git_repos: Vec<Entity<project::git_store::Repository>> = Vec::new();
2581        let mut non_git_paths: Vec<PathBuf> = Vec::new();
2582        let mut seen_repo_ids = std::collections::HashSet::new();
2583
2584        for worktree in project.read(cx).visible_worktrees(cx) {
2585            let wt_path = worktree.read(cx).abs_path();
2586
2587            let matching_repo = repositories
2588                .iter()
2589                .filter_map(|(id, repo)| {
2590                    let work_dir = repo.read(cx).work_directory_abs_path.clone();
2591                    if wt_path.starts_with(work_dir.as_ref())
2592                        || work_dir.starts_with(wt_path.as_ref())
2593                    {
2594                        Some((*id, repo.clone(), work_dir.as_ref().components().count()))
2595                    } else {
2596                        None
2597                    }
2598                })
2599                .max_by(
2600                    |(left_id, _left_repo, left_depth), (right_id, _right_repo, right_depth)| {
2601                        left_depth
2602                            .cmp(right_depth)
2603                            .then_with(|| left_id.cmp(right_id))
2604                    },
2605                );
2606
2607            if let Some((id, repo, _)) = matching_repo {
2608                if seen_repo_ids.insert(id) {
2609                    git_repos.push(repo);
2610                }
2611            } else {
2612                non_git_paths.push(wt_path.to_path_buf());
2613            }
2614        }
2615
2616        (git_repos, non_git_paths)
2617    }
2618
2619    /// Kicks off an async git-worktree creation for each repository. Returns:
2620    ///
2621    /// - `creation_infos`: a vec of `(repo, new_path, receiver)` tuples—the
2622    ///   receiver resolves once the git worktree command finishes.
2623    /// - `path_remapping`: `(old_work_dir, new_worktree_path)` pairs used
2624    ///   later to remap open editor tabs into the new workspace.
2625    fn start_worktree_creations(
2626        git_repos: &[Entity<project::git_store::Repository>],
2627        branch_name: &str,
2628        worktree_directory_setting: &str,
2629        cx: &mut Context<Self>,
2630    ) -> Result<(
2631        Vec<(
2632            Entity<project::git_store::Repository>,
2633            PathBuf,
2634            futures::channel::oneshot::Receiver<Result<()>>,
2635        )>,
2636        Vec<(PathBuf, PathBuf)>,
2637    )> {
2638        let mut creation_infos = Vec::new();
2639        let mut path_remapping = Vec::new();
2640
2641        for repo in git_repos {
2642            let (work_dir, new_path, receiver) = repo.update(cx, |repo, _cx| {
2643                let new_path =
2644                    repo.path_for_new_linked_worktree(branch_name, worktree_directory_setting)?;
2645                let receiver =
2646                    repo.create_worktree(branch_name.to_string(), new_path.clone(), None);
2647                let work_dir = repo.work_directory_abs_path.clone();
2648                anyhow::Ok((work_dir, new_path, receiver))
2649            })?;
2650            path_remapping.push((work_dir.to_path_buf(), new_path.clone()));
2651            creation_infos.push((repo.clone(), new_path, receiver));
2652        }
2653
2654        Ok((creation_infos, path_remapping))
2655    }
2656
2657    /// Waits for every in-flight worktree creation to complete. If any
2658    /// creation fails, all successfully-created worktrees are rolled back
2659    /// (removed) so the project isn't left in a half-migrated state.
2660    async fn await_and_rollback_on_failure(
2661        creation_infos: Vec<(
2662            Entity<project::git_store::Repository>,
2663            PathBuf,
2664            futures::channel::oneshot::Receiver<Result<()>>,
2665        )>,
2666        cx: &mut AsyncWindowContext,
2667    ) -> Result<Vec<PathBuf>> {
2668        let mut created_paths: Vec<PathBuf> = Vec::new();
2669        let mut repos_and_paths: Vec<(Entity<project::git_store::Repository>, PathBuf)> =
2670            Vec::new();
2671        let mut first_error: Option<anyhow::Error> = None;
2672
2673        for (repo, new_path, receiver) in creation_infos {
2674            match receiver.await {
2675                Ok(Ok(())) => {
2676                    created_paths.push(new_path.clone());
2677                    repos_and_paths.push((repo, new_path));
2678                }
2679                Ok(Err(err)) => {
2680                    if first_error.is_none() {
2681                        first_error = Some(err);
2682                    }
2683                }
2684                Err(_canceled) => {
2685                    if first_error.is_none() {
2686                        first_error = Some(anyhow!("Worktree creation was canceled"));
2687                    }
2688                }
2689            }
2690        }
2691
2692        let Some(err) = first_error else {
2693            return Ok(created_paths);
2694        };
2695
2696        // Rollback all successfully created worktrees
2697        let mut rollback_receivers = Vec::new();
2698        for (rollback_repo, rollback_path) in &repos_and_paths {
2699            if let Ok(receiver) = cx.update(|_, cx| {
2700                rollback_repo.update(cx, |repo, _cx| {
2701                    repo.remove_worktree(rollback_path.clone(), true)
2702                })
2703            }) {
2704                rollback_receivers.push((rollback_path.clone(), receiver));
2705            }
2706        }
2707        let mut rollback_failures: Vec<String> = Vec::new();
2708        for (path, receiver) in rollback_receivers {
2709            match receiver.await {
2710                Ok(Ok(())) => {}
2711                Ok(Err(rollback_err)) => {
2712                    log::error!(
2713                        "failed to rollback worktree at {}: {rollback_err}",
2714                        path.display()
2715                    );
2716                    rollback_failures.push(format!("{}: {rollback_err}", path.display()));
2717                }
2718                Err(rollback_err) => {
2719                    log::error!(
2720                        "failed to rollback worktree at {}: {rollback_err}",
2721                        path.display()
2722                    );
2723                    rollback_failures.push(format!("{}: {rollback_err}", path.display()));
2724                }
2725            }
2726        }
2727        let mut error_message = format!("Failed to create worktree: {err}");
2728        if !rollback_failures.is_empty() {
2729            error_message.push_str("\n\nFailed to clean up: ");
2730            error_message.push_str(&rollback_failures.join(", "));
2731        }
2732        Err(anyhow!(error_message))
2733    }
2734
2735    fn set_worktree_creation_error(
2736        &mut self,
2737        message: SharedString,
2738        window: &mut Window,
2739        cx: &mut Context<Self>,
2740    ) {
2741        self.worktree_creation_status = Some(WorktreeCreationStatus::Error(message));
2742        if matches!(self.active_view, ActiveView::Uninitialized) {
2743            let selected_agent_type = self.selected_agent_type.clone();
2744            self.new_agent_thread(selected_agent_type, window, cx);
2745        }
2746        cx.notify();
2747    }
2748
2749    fn handle_worktree_creation_requested(
2750        &mut self,
2751        content: Vec<acp::ContentBlock>,
2752        window: &mut Window,
2753        cx: &mut Context<Self>,
2754    ) {
2755        if matches!(
2756            self.worktree_creation_status,
2757            Some(WorktreeCreationStatus::Creating)
2758        ) {
2759            return;
2760        }
2761
2762        self.worktree_creation_status = Some(WorktreeCreationStatus::Creating);
2763        cx.notify();
2764
2765        let (git_repos, non_git_paths) = self.classify_worktrees(cx);
2766
2767        if git_repos.is_empty() {
2768            self.set_worktree_creation_error(
2769                "No git repositories found in the project".into(),
2770                window,
2771                cx,
2772            );
2773            return;
2774        }
2775
2776        // Kick off branch listing as early as possible so it can run
2777        // concurrently with the remaining synchronous setup work.
2778        let branch_receivers: Vec<_> = git_repos
2779            .iter()
2780            .map(|repo| repo.update(cx, |repo, _cx| repo.branches()))
2781            .collect();
2782
2783        let worktree_directory_setting = ProjectSettings::get_global(cx)
2784            .git
2785            .worktree_directory
2786            .clone();
2787
2788        let active_file_path = self.workspace.upgrade().and_then(|workspace| {
2789            let workspace = workspace.read(cx);
2790            let active_item = workspace.active_item(cx)?;
2791            let project_path = active_item.project_path(cx)?;
2792            workspace
2793                .project()
2794                .read(cx)
2795                .absolute_path(&project_path, cx)
2796        });
2797
2798        let workspace = self.workspace.clone();
2799        let window_handle = window
2800            .window_handle()
2801            .downcast::<workspace::MultiWorkspace>();
2802
2803        let selected_agent = self.selected_agent();
2804
2805        let task = cx.spawn_in(window, async move |this, cx| {
2806            // Await the branch listings we kicked off earlier.
2807            let mut existing_branches = Vec::new();
2808            for result in futures::future::join_all(branch_receivers).await {
2809                match result {
2810                    Ok(Ok(branches)) => {
2811                        for branch in branches {
2812                            existing_branches.push(branch.name().to_string());
2813                        }
2814                    }
2815                    Ok(Err(err)) => {
2816                        Err::<(), _>(err).log_err();
2817                    }
2818                    Err(_) => {}
2819                }
2820            }
2821
2822            let existing_branch_refs: Vec<&str> =
2823                existing_branches.iter().map(|s| s.as_str()).collect();
2824            let mut rng = rand::rng();
2825            let branch_name =
2826                match crate::branch_names::generate_branch_name(&existing_branch_refs, &mut rng) {
2827                    Some(name) => name,
2828                    None => {
2829                        this.update_in(cx, |this, window, cx| {
2830                            this.set_worktree_creation_error(
2831                                "Failed to generate a unique branch name".into(),
2832                                window,
2833                                cx,
2834                            );
2835                        })?;
2836                        return anyhow::Ok(());
2837                    }
2838                };
2839
2840            let (creation_infos, path_remapping) = match this.update_in(cx, |_this, _window, cx| {
2841                Self::start_worktree_creations(
2842                    &git_repos,
2843                    &branch_name,
2844                    &worktree_directory_setting,
2845                    cx,
2846                )
2847            }) {
2848                Ok(Ok(result)) => result,
2849                Ok(Err(err)) | Err(err) => {
2850                    this.update_in(cx, |this, window, cx| {
2851                        this.set_worktree_creation_error(
2852                            format!("Failed to validate worktree directory: {err}").into(),
2853                            window,
2854                            cx,
2855                        );
2856                    })
2857                    .log_err();
2858                    return anyhow::Ok(());
2859                }
2860            };
2861
2862            let created_paths = match Self::await_and_rollback_on_failure(creation_infos, cx).await
2863            {
2864                Ok(paths) => paths,
2865                Err(err) => {
2866                    this.update_in(cx, |this, window, cx| {
2867                        this.set_worktree_creation_error(format!("{err}").into(), window, cx);
2868                    })?;
2869                    return anyhow::Ok(());
2870                }
2871            };
2872
2873            let mut all_paths = created_paths;
2874            let has_non_git = !non_git_paths.is_empty();
2875            all_paths.extend(non_git_paths.iter().cloned());
2876
2877            let app_state = match workspace.upgrade() {
2878                Some(workspace) => cx.update(|_, cx| workspace.read(cx).app_state().clone())?,
2879                None => {
2880                    this.update_in(cx, |this, window, cx| {
2881                        this.set_worktree_creation_error(
2882                            "Workspace no longer available".into(),
2883                            window,
2884                            cx,
2885                        );
2886                    })?;
2887                    return anyhow::Ok(());
2888                }
2889            };
2890
2891            let this_for_error = this.clone();
2892            if let Err(err) = Self::setup_new_workspace(
2893                this,
2894                all_paths,
2895                app_state,
2896                window_handle,
2897                active_file_path,
2898                path_remapping,
2899                non_git_paths,
2900                has_non_git,
2901                content,
2902                selected_agent,
2903                cx,
2904            )
2905            .await
2906            {
2907                this_for_error
2908                    .update_in(cx, |this, window, cx| {
2909                        this.set_worktree_creation_error(
2910                            format!("Failed to set up workspace: {err}").into(),
2911                            window,
2912                            cx,
2913                        );
2914                    })
2915                    .log_err();
2916            }
2917            anyhow::Ok(())
2918        });
2919
2920        self._worktree_creation_task = Some(cx.foreground_executor().spawn(async move {
2921            task.await.log_err();
2922        }));
2923    }
2924
2925    async fn setup_new_workspace(
2926        this: WeakEntity<Self>,
2927        all_paths: Vec<PathBuf>,
2928        app_state: Arc<workspace::AppState>,
2929        window_handle: Option<gpui::WindowHandle<workspace::MultiWorkspace>>,
2930        active_file_path: Option<PathBuf>,
2931        path_remapping: Vec<(PathBuf, PathBuf)>,
2932        non_git_paths: Vec<PathBuf>,
2933        has_non_git: bool,
2934        content: Vec<acp::ContentBlock>,
2935        selected_agent: Option<Agent>,
2936        cx: &mut AsyncWindowContext,
2937    ) -> Result<()> {
2938        let OpenResult {
2939            window: new_window_handle,
2940            workspace: new_workspace,
2941            ..
2942        } = cx
2943            .update(|_window, cx| {
2944                Workspace::new_local(all_paths, app_state, window_handle, None, None, false, cx)
2945            })?
2946            .await?;
2947
2948        let panels_task = new_window_handle.update(cx, |_, _, cx| {
2949            new_workspace.update(cx, |workspace, _cx| workspace.take_panels_task())
2950        })?;
2951        if let Some(task) = panels_task {
2952            task.await.log_err();
2953        }
2954
2955        let initial_content = AgentInitialContent::ContentBlock {
2956            blocks: content,
2957            auto_submit: true,
2958        };
2959
2960        new_window_handle.update(cx, |_multi_workspace, window, cx| {
2961            new_workspace.update(cx, |workspace, cx| {
2962                if has_non_git {
2963                    let toast_id = workspace::notifications::NotificationId::unique::<AgentPanel>();
2964                    workspace.show_toast(
2965                        workspace::Toast::new(
2966                            toast_id,
2967                            "Some project folders are not git repositories. \
2968                             They were included as-is without creating a worktree.",
2969                        ),
2970                        cx,
2971                    );
2972                }
2973
2974                // If we had an active buffer, remap its path and reopen it.
2975                let should_zoom_agent_panel = active_file_path.is_none();
2976
2977                let remapped_active_path = active_file_path.and_then(|original_path| {
2978                    let best_match = path_remapping
2979                        .iter()
2980                        .filter_map(|(old_root, new_root)| {
2981                            original_path.strip_prefix(old_root).ok().map(|relative| {
2982                                (old_root.components().count(), new_root.join(relative))
2983                            })
2984                        })
2985                        .max_by_key(|(depth, _)| *depth);
2986
2987                    if let Some((_, remapped_path)) = best_match {
2988                        return Some(remapped_path);
2989                    }
2990
2991                    for non_git in &non_git_paths {
2992                        if original_path.starts_with(non_git) {
2993                            return Some(original_path);
2994                        }
2995                    }
2996                    None
2997                });
2998
2999                if !should_zoom_agent_panel && remapped_active_path.is_none() {
3000                    log::warn!(
3001                        "Active file could not be remapped to the new worktree; it will not be reopened"
3002                    );
3003                }
3004
3005                if let Some(path) = remapped_active_path {
3006                    let open_task = workspace.open_paths(
3007                        vec![path],
3008                        workspace::OpenOptions::default(),
3009                        None,
3010                        window,
3011                        cx,
3012                    );
3013                    cx.spawn(async move |_, _| -> anyhow::Result<()> {
3014                        for item in open_task.await.into_iter().flatten() {
3015                            item?;
3016                        }
3017                        Ok(())
3018                    })
3019                    .detach_and_log_err(cx);
3020                }
3021
3022                workspace.focus_panel::<AgentPanel>(window, cx);
3023
3024                // If no active buffer was open, zoom the agent panel
3025                // (equivalent to cmd-esc fullscreen behavior).
3026                // This must happen after focus_panel, which activates
3027                // and opens the panel in the dock.
3028                if should_zoom_agent_panel {
3029                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3030                        panel.update(cx, |_panel, cx| {
3031                            cx.emit(PanelEvent::ZoomIn);
3032                        });
3033                    }
3034                }
3035                if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
3036                    panel.update(cx, |panel, cx| {
3037                        panel.external_thread(
3038                            selected_agent,
3039                            None,
3040                            None,
3041                            None,
3042                            Some(initial_content),
3043                            true,
3044                            window,
3045                            cx,
3046                        );
3047                    });
3048                }
3049            });
3050        })?;
3051
3052        new_window_handle.update(cx, |multi_workspace, _window, cx| {
3053            multi_workspace.activate(new_workspace.clone(), cx);
3054        })?;
3055
3056        this.update_in(cx, |this, window, cx| {
3057            this.worktree_creation_status = None;
3058
3059            if let Some(thread_view) = this.active_thread_view(cx) {
3060                thread_view.update(cx, |thread_view, cx| {
3061                    thread_view
3062                        .message_editor
3063                        .update(cx, |editor, cx| editor.clear(window, cx));
3064                });
3065            }
3066
3067            cx.notify();
3068        })?;
3069
3070        anyhow::Ok(())
3071    }
3072}
3073
3074impl Focusable for AgentPanel {
3075    fn focus_handle(&self, cx: &App) -> FocusHandle {
3076        match &self.active_view {
3077            ActiveView::Uninitialized => self.focus_handle.clone(),
3078            ActiveView::AgentThread {
3079                conversation_view, ..
3080            } => conversation_view.focus_handle(cx),
3081            ActiveView::History { history: kind } => match kind {
3082                History::AgentThreads { view } => view.read(cx).focus_handle(cx),
3083                History::TextThreads => self.text_thread_history.focus_handle(cx),
3084            },
3085            ActiveView::TextThread {
3086                text_thread_editor, ..
3087            } => text_thread_editor.focus_handle(cx),
3088            ActiveView::Configuration => {
3089                if let Some(configuration) = self.configuration.as_ref() {
3090                    configuration.focus_handle(cx)
3091                } else {
3092                    self.focus_handle.clone()
3093                }
3094            }
3095        }
3096    }
3097}
3098
3099fn agent_panel_dock_position(cx: &App) -> DockPosition {
3100    AgentSettings::get_global(cx).dock.into()
3101}
3102
3103pub enum AgentPanelEvent {
3104    ActiveViewChanged,
3105    ThreadFocused,
3106    BackgroundThreadChanged,
3107}
3108
3109impl EventEmitter<PanelEvent> for AgentPanel {}
3110impl EventEmitter<AgentPanelEvent> for AgentPanel {}
3111
3112impl Panel for AgentPanel {
3113    fn persistent_name() -> &'static str {
3114        "AgentPanel"
3115    }
3116
3117    fn panel_key() -> &'static str {
3118        AGENT_PANEL_KEY
3119    }
3120
3121    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
3122        agent_panel_dock_position(cx)
3123    }
3124
3125    fn position_is_valid(&self, position: DockPosition) -> bool {
3126        position != DockPosition::Bottom
3127    }
3128
3129    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
3130        settings::update_settings_file(self.fs.clone(), cx, move |settings, _| {
3131            settings
3132                .agent
3133                .get_or_insert_default()
3134                .set_dock(position.into());
3135        });
3136    }
3137
3138    fn size(&self, window: &Window, cx: &App) -> Pixels {
3139        let settings = AgentSettings::get_global(cx);
3140        match self.position(window, cx) {
3141            DockPosition::Left | DockPosition::Right => {
3142                self.width.unwrap_or(settings.default_width)
3143            }
3144            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
3145        }
3146    }
3147
3148    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
3149        match self.position(window, cx) {
3150            DockPosition::Left | DockPosition::Right => self.width = size,
3151            DockPosition::Bottom => self.height = size,
3152        }
3153        self.serialize(cx);
3154        cx.notify();
3155    }
3156
3157    fn set_active(&mut self, active: bool, window: &mut Window, cx: &mut Context<Self>) {
3158        if active
3159            && matches!(self.active_view, ActiveView::Uninitialized)
3160            && !matches!(
3161                self.worktree_creation_status,
3162                Some(WorktreeCreationStatus::Creating)
3163            )
3164        {
3165            let selected_agent_type = self.selected_agent_type.clone();
3166            self.new_agent_thread_inner(selected_agent_type, false, window, cx);
3167        }
3168    }
3169
3170    fn remote_id() -> Option<proto::PanelId> {
3171        Some(proto::PanelId::AssistantPanel)
3172    }
3173
3174    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
3175        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
3176    }
3177
3178    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
3179        Some("Agent Panel")
3180    }
3181
3182    fn toggle_action(&self) -> Box<dyn Action> {
3183        Box::new(ToggleFocus)
3184    }
3185
3186    fn activation_priority(&self) -> u32 {
3187        3
3188    }
3189
3190    fn enabled(&self, cx: &App) -> bool {
3191        AgentSettings::get_global(cx).enabled(cx)
3192    }
3193
3194    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
3195        self.zoomed
3196    }
3197
3198    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
3199        self.zoomed = zoomed;
3200        cx.notify();
3201    }
3202}
3203
3204impl AgentPanel {
3205    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
3206        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
3207
3208        let content = match &self.active_view {
3209            ActiveView::AgentThread { conversation_view } => {
3210                let server_view_ref = conversation_view.read(cx);
3211                let is_generating_title = server_view_ref.as_native_thread(cx).is_some()
3212                    && server_view_ref.root_thread(cx).map_or(false, |tv| {
3213                        tv.read(cx).thread.read(cx).has_provisional_title()
3214                    });
3215
3216                if let Some(title_editor) = server_view_ref
3217                    .root_thread(cx)
3218                    .map(|r| r.read(cx).title_editor.clone())
3219                {
3220                    if is_generating_title {
3221                        Label::new(DEFAULT_THREAD_TITLE)
3222                            .color(Color::Muted)
3223                            .truncate()
3224                            .with_animation(
3225                                "generating_title",
3226                                Animation::new(Duration::from_secs(2))
3227                                    .repeat()
3228                                    .with_easing(pulsating_between(0.4, 0.8)),
3229                                |label, delta| label.alpha(delta),
3230                            )
3231                            .into_any_element()
3232                    } else {
3233                        div()
3234                            .w_full()
3235                            .on_action({
3236                                let conversation_view = conversation_view.downgrade();
3237                                move |_: &menu::Confirm, window, cx| {
3238                                    if let Some(conversation_view) = conversation_view.upgrade() {
3239                                        conversation_view.focus_handle(cx).focus(window, cx);
3240                                    }
3241                                }
3242                            })
3243                            .on_action({
3244                                let conversation_view = conversation_view.downgrade();
3245                                move |_: &editor::actions::Cancel, window, cx| {
3246                                    if let Some(conversation_view) = conversation_view.upgrade() {
3247                                        conversation_view.focus_handle(cx).focus(window, cx);
3248                                    }
3249                                }
3250                            })
3251                            .child(title_editor)
3252                            .into_any_element()
3253                    }
3254                } else {
3255                    Label::new(conversation_view.read(cx).title(cx))
3256                        .color(Color::Muted)
3257                        .truncate()
3258                        .into_any_element()
3259                }
3260            }
3261            ActiveView::TextThread {
3262                title_editor,
3263                text_thread_editor,
3264                ..
3265            } => {
3266                let summary = text_thread_editor.read(cx).text_thread().read(cx).summary();
3267
3268                match summary {
3269                    TextThreadSummary::Pending => Label::new(TextThreadSummary::DEFAULT)
3270                        .color(Color::Muted)
3271                        .truncate()
3272                        .into_any_element(),
3273                    TextThreadSummary::Content(summary) => {
3274                        if summary.done {
3275                            div()
3276                                .w_full()
3277                                .child(title_editor.clone())
3278                                .into_any_element()
3279                        } else {
3280                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
3281                                .truncate()
3282                                .color(Color::Muted)
3283                                .with_animation(
3284                                    "generating_title",
3285                                    Animation::new(Duration::from_secs(2))
3286                                        .repeat()
3287                                        .with_easing(pulsating_between(0.4, 0.8)),
3288                                    |label, delta| label.alpha(delta),
3289                                )
3290                                .into_any_element()
3291                        }
3292                    }
3293                    TextThreadSummary::Error => h_flex()
3294                        .w_full()
3295                        .child(title_editor.clone())
3296                        .child(
3297                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
3298                                .icon_size(IconSize::Small)
3299                                .on_click({
3300                                    let text_thread_editor = text_thread_editor.clone();
3301                                    move |_, _window, cx| {
3302                                        text_thread_editor.update(cx, |text_thread_editor, cx| {
3303                                            text_thread_editor.regenerate_summary(cx);
3304                                        });
3305                                    }
3306                                })
3307                                .tooltip(move |_window, cx| {
3308                                    cx.new(|_| {
3309                                        Tooltip::new("Failed to generate title")
3310                                            .meta("Click to try again")
3311                                    })
3312                                    .into()
3313                                }),
3314                        )
3315                        .into_any_element(),
3316                }
3317            }
3318            ActiveView::History { history: kind } => {
3319                let title = match kind {
3320                    History::AgentThreads { .. } => "History",
3321                    History::TextThreads => "Text Thread History",
3322                };
3323                Label::new(title).truncate().into_any_element()
3324            }
3325            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
3326            ActiveView::Uninitialized => Label::new("Agent").truncate().into_any_element(),
3327        };
3328
3329        h_flex()
3330            .key_context("TitleEditor")
3331            .id("TitleEditor")
3332            .flex_grow()
3333            .w_full()
3334            .max_w_full()
3335            .overflow_x_scroll()
3336            .child(content)
3337            .into_any()
3338    }
3339
3340    fn handle_regenerate_thread_title(conversation_view: Entity<ConversationView>, cx: &mut App) {
3341        conversation_view.update(cx, |conversation_view, cx| {
3342            if let Some(thread) = conversation_view.as_native_thread(cx) {
3343                thread.update(cx, |thread, cx| {
3344                    thread.generate_title(cx);
3345                });
3346            }
3347        });
3348    }
3349
3350    fn handle_regenerate_text_thread_title(
3351        text_thread_editor: Entity<TextThreadEditor>,
3352        cx: &mut App,
3353    ) {
3354        text_thread_editor.update(cx, |text_thread_editor, cx| {
3355            text_thread_editor.regenerate_summary(cx);
3356        });
3357    }
3358
3359    fn render_panel_options_menu(
3360        &self,
3361        window: &mut Window,
3362        cx: &mut Context<Self>,
3363    ) -> impl IntoElement {
3364        let focus_handle = self.focus_handle(cx);
3365
3366        let full_screen_label = if self.is_zoomed(window, cx) {
3367            "Disable Full Screen"
3368        } else {
3369            "Enable Full Screen"
3370        };
3371
3372        let text_thread_view = match &self.active_view {
3373            ActiveView::TextThread {
3374                text_thread_editor, ..
3375            } => Some(text_thread_editor.clone()),
3376            _ => None,
3377        };
3378        let text_thread_with_messages = match &self.active_view {
3379            ActiveView::TextThread {
3380                text_thread_editor, ..
3381            } => text_thread_editor
3382                .read(cx)
3383                .text_thread()
3384                .read(cx)
3385                .messages(cx)
3386                .any(|message| message.role == language_model::Role::Assistant),
3387            _ => false,
3388        };
3389
3390        let conversation_view = match &self.active_view {
3391            ActiveView::AgentThread { conversation_view } => Some(conversation_view.clone()),
3392            _ => None,
3393        };
3394        let thread_with_messages = match &self.active_view {
3395            ActiveView::AgentThread { conversation_view } => {
3396                conversation_view.read(cx).has_user_submitted_prompt(cx)
3397            }
3398            _ => false,
3399        };
3400        let has_auth_methods = match &self.active_view {
3401            ActiveView::AgentThread { conversation_view } => {
3402                conversation_view.read(cx).has_auth_methods()
3403            }
3404            _ => false,
3405        };
3406
3407        PopoverMenu::new("agent-options-menu")
3408            .trigger_with_tooltip(
3409                IconButton::new("agent-options-menu", IconName::Ellipsis)
3410                    .icon_size(IconSize::Small),
3411                {
3412                    let focus_handle = focus_handle.clone();
3413                    move |_window, cx| {
3414                        Tooltip::for_action_in(
3415                            "Toggle Agent Menu",
3416                            &ToggleOptionsMenu,
3417                            &focus_handle,
3418                            cx,
3419                        )
3420                    }
3421                },
3422            )
3423            .anchor(Corner::TopRight)
3424            .with_handle(self.agent_panel_menu_handle.clone())
3425            .menu({
3426                move |window, cx| {
3427                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
3428                        menu = menu.context(focus_handle.clone());
3429
3430                        if thread_with_messages | text_thread_with_messages {
3431                            menu = menu.header("Current Thread");
3432
3433                            if let Some(text_thread_view) = text_thread_view.as_ref() {
3434                                menu = menu
3435                                    .entry("Regenerate Thread Title", None, {
3436                                        let text_thread_view = text_thread_view.clone();
3437                                        move |_, cx| {
3438                                            Self::handle_regenerate_text_thread_title(
3439                                                text_thread_view.clone(),
3440                                                cx,
3441                                            );
3442                                        }
3443                                    })
3444                                    .separator();
3445                            }
3446
3447                            if let Some(conversation_view) = conversation_view.as_ref() {
3448                                menu = menu
3449                                    .entry("Regenerate Thread Title", None, {
3450                                        let conversation_view = conversation_view.clone();
3451                                        move |_, cx| {
3452                                            Self::handle_regenerate_thread_title(
3453                                                conversation_view.clone(),
3454                                                cx,
3455                                            );
3456                                        }
3457                                    })
3458                                    .separator();
3459                            }
3460                        }
3461
3462                        menu = menu
3463                            .header("MCP Servers")
3464                            .action(
3465                                "View Server Extensions",
3466                                Box::new(zed_actions::Extensions {
3467                                    category_filter: Some(
3468                                        zed_actions::ExtensionCategoryFilter::ContextServers,
3469                                    ),
3470                                    id: None,
3471                                }),
3472                            )
3473                            .action("Add Custom Server…", Box::new(AddContextServer))
3474                            .separator()
3475                            .action("Rules", Box::new(OpenRulesLibrary::default()))
3476                            .action("Profiles", Box::new(ManageProfiles::default()))
3477                            .action("Settings", Box::new(OpenSettings))
3478                            .separator()
3479                            .action("Toggle Threads Sidebar", Box::new(ToggleWorkspaceSidebar))
3480                            .action(full_screen_label, Box::new(ToggleZoom));
3481
3482                        if has_auth_methods {
3483                            menu = menu.action("Reauthenticate", Box::new(ReauthenticateAgent))
3484                        }
3485
3486                        menu
3487                    }))
3488                }
3489            })
3490    }
3491
3492    fn render_recent_entries_menu(
3493        &self,
3494        icon: IconName,
3495        corner: Corner,
3496        cx: &mut Context<Self>,
3497    ) -> impl IntoElement {
3498        let focus_handle = self.focus_handle(cx);
3499
3500        PopoverMenu::new("agent-nav-menu")
3501            .trigger_with_tooltip(
3502                IconButton::new("agent-nav-menu", icon).icon_size(IconSize::Small),
3503                {
3504                    move |_window, cx| {
3505                        Tooltip::for_action_in(
3506                            "Toggle Recently Updated Threads",
3507                            &ToggleNavigationMenu,
3508                            &focus_handle,
3509                            cx,
3510                        )
3511                    }
3512                },
3513            )
3514            .anchor(corner)
3515            .with_handle(self.agent_navigation_menu_handle.clone())
3516            .menu({
3517                let menu = self.agent_navigation_menu.clone();
3518                move |window, cx| {
3519                    telemetry::event!("View Thread History Clicked");
3520
3521                    if let Some(menu) = menu.as_ref() {
3522                        menu.update(cx, |_, cx| {
3523                            cx.defer_in(window, |menu, window, cx| {
3524                                menu.rebuild(window, cx);
3525                            });
3526                        })
3527                    }
3528                    menu.clone()
3529                }
3530            })
3531    }
3532
3533    fn render_toolbar_back_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
3534        let focus_handle = self.focus_handle(cx);
3535
3536        IconButton::new("go-back", IconName::ArrowLeft)
3537            .icon_size(IconSize::Small)
3538            .on_click(cx.listener(|this, _, window, cx| {
3539                this.go_back(&workspace::GoBack, window, cx);
3540            }))
3541            .tooltip({
3542                move |_window, cx| {
3543                    Tooltip::for_action_in("Go Back", &workspace::GoBack, &focus_handle, cx)
3544                }
3545            })
3546    }
3547
3548    fn project_has_git_repository(&self, cx: &App) -> bool {
3549        !self.project.read(cx).repositories(cx).is_empty()
3550    }
3551
3552    fn render_start_thread_in_selector(&self, cx: &mut Context<Self>) -> impl IntoElement {
3553        use settings::{NewThreadLocation, Settings};
3554
3555        let focus_handle = self.focus_handle(cx);
3556        let has_git_repo = self.project_has_git_repository(cx);
3557        let is_via_collab = self.project.read(cx).is_via_collab();
3558        let fs = self.fs.clone();
3559
3560        let is_creating = matches!(
3561            self.worktree_creation_status,
3562            Some(WorktreeCreationStatus::Creating)
3563        );
3564
3565        let current_target = self.start_thread_in;
3566        let trigger_label = self.start_thread_in.label();
3567
3568        let new_thread_location = AgentSettings::get_global(cx).new_thread_location;
3569        let is_local_default = new_thread_location == NewThreadLocation::LocalProject;
3570        let is_new_worktree_default = new_thread_location == NewThreadLocation::NewWorktree;
3571
3572        let icon = if self.start_thread_in_menu_handle.is_deployed() {
3573            IconName::ChevronUp
3574        } else {
3575            IconName::ChevronDown
3576        };
3577
3578        let trigger_button = Button::new("thread-target-trigger", trigger_label)
3579            .end_icon(Icon::new(icon).size(IconSize::XSmall).color(Color::Muted))
3580            .disabled(is_creating);
3581
3582        let dock_position = AgentSettings::get_global(cx).dock;
3583        let documentation_side = match dock_position {
3584            settings::DockPosition::Left => DocumentationSide::Right,
3585            settings::DockPosition::Bottom | settings::DockPosition::Right => {
3586                DocumentationSide::Left
3587            }
3588        };
3589
3590        PopoverMenu::new("thread-target-selector")
3591            .trigger_with_tooltip(trigger_button, {
3592                move |_window, cx| {
3593                    Tooltip::for_action_in(
3594                        "Start Thread In…",
3595                        &CycleStartThreadIn,
3596                        &focus_handle,
3597                        cx,
3598                    )
3599                }
3600            })
3601            .menu(move |window, cx| {
3602                let is_local_selected = current_target == StartThreadIn::LocalProject;
3603                let is_new_worktree_selected = current_target == StartThreadIn::NewWorktree;
3604                let fs = fs.clone();
3605
3606                Some(ContextMenu::build(window, cx, move |menu, _window, _cx| {
3607                    let new_worktree_disabled = !has_git_repo || is_via_collab;
3608
3609                    menu.header("Start Thread In…")
3610                        .item(
3611                            ContextMenuEntry::new("Current Worktree")
3612                                .toggleable(IconPosition::End, is_local_selected)
3613                                .documentation_aside(documentation_side, move |_| {
3614                                    HoldForDefault::new(is_local_default)
3615                                        .more_content(false)
3616                                        .into_any_element()
3617                                })
3618                                .handler({
3619                                    let fs = fs.clone();
3620                                    move |window, cx| {
3621                                        if window.modifiers().secondary() {
3622                                            update_settings_file(fs.clone(), cx, |settings, _| {
3623                                                settings
3624                                                    .agent
3625                                                    .get_or_insert_default()
3626                                                    .set_new_thread_location(
3627                                                        NewThreadLocation::LocalProject,
3628                                                    );
3629                                            });
3630                                        }
3631                                        window.dispatch_action(
3632                                            Box::new(StartThreadIn::LocalProject),
3633                                            cx,
3634                                        );
3635                                    }
3636                                }),
3637                        )
3638                        .item({
3639                            let entry = ContextMenuEntry::new("New Git Worktree")
3640                                .toggleable(IconPosition::End, is_new_worktree_selected)
3641                                .disabled(new_worktree_disabled)
3642                                .handler({
3643                                    let fs = fs.clone();
3644                                    move |window, cx| {
3645                                        if window.modifiers().secondary() {
3646                                            update_settings_file(fs.clone(), cx, |settings, _| {
3647                                                settings
3648                                                    .agent
3649                                                    .get_or_insert_default()
3650                                                    .set_new_thread_location(
3651                                                        NewThreadLocation::NewWorktree,
3652                                                    );
3653                                            });
3654                                        }
3655                                        window.dispatch_action(
3656                                            Box::new(StartThreadIn::NewWorktree),
3657                                            cx,
3658                                        );
3659                                    }
3660                                });
3661
3662                            if new_worktree_disabled {
3663                                entry.documentation_aside(documentation_side, move |_| {
3664                                    let reason = if !has_git_repo {
3665                                        "No git repository found in this project."
3666                                    } else {
3667                                        "Not available for remote/collab projects yet."
3668                                    };
3669                                    Label::new(reason)
3670                                        .color(Color::Muted)
3671                                        .size(LabelSize::Small)
3672                                        .into_any_element()
3673                                })
3674                            } else {
3675                                entry.documentation_aside(documentation_side, move |_| {
3676                                    HoldForDefault::new(is_new_worktree_default)
3677                                        .more_content(false)
3678                                        .into_any_element()
3679                                })
3680                            }
3681                        })
3682                }))
3683            })
3684            .with_handle(self.start_thread_in_menu_handle.clone())
3685            .anchor(Corner::TopLeft)
3686            .offset(gpui::Point {
3687                x: px(1.0),
3688                y: px(1.0),
3689            })
3690    }
3691
3692    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3693        let agent_server_store = self.project.read(cx).agent_server_store().clone();
3694        let has_visible_worktrees = self.project.read(cx).visible_worktrees(cx).next().is_some();
3695        let focus_handle = self.focus_handle(cx);
3696
3697        let (selected_agent_custom_icon, selected_agent_label) =
3698            if let AgentType::Custom { id, .. } = &self.selected_agent_type {
3699                let store = agent_server_store.read(cx);
3700                let icon = store.agent_icon(&id);
3701
3702                let label = store
3703                    .agent_display_name(&id)
3704                    .unwrap_or_else(|| self.selected_agent_type.label());
3705                (icon, label)
3706            } else {
3707                (None, self.selected_agent_type.label())
3708            };
3709
3710        let active_thread = match &self.active_view {
3711            ActiveView::AgentThread { conversation_view } => {
3712                conversation_view.read(cx).as_native_thread(cx)
3713            }
3714            ActiveView::Uninitialized
3715            | ActiveView::TextThread { .. }
3716            | ActiveView::History { .. }
3717            | ActiveView::Configuration => None,
3718        };
3719
3720        let new_thread_menu_builder: Rc<
3721            dyn Fn(&mut Window, &mut App) -> Option<Entity<ContextMenu>>,
3722        > = {
3723            let selected_agent = self.selected_agent_type.clone();
3724            let is_agent_selected = move |agent_type: AgentType| selected_agent == agent_type;
3725
3726            let workspace = self.workspace.clone();
3727            let is_via_collab = workspace
3728                .update(cx, |workspace, cx| {
3729                    workspace.project().read(cx).is_via_collab()
3730                })
3731                .unwrap_or_default();
3732
3733            let focus_handle = focus_handle.clone();
3734            let agent_server_store = agent_server_store;
3735
3736            Rc::new(move |window, cx| {
3737                telemetry::event!("New Thread Clicked");
3738
3739                let active_thread = active_thread.clone();
3740                Some(ContextMenu::build(window, cx, |menu, _window, cx| {
3741                    menu.context(focus_handle.clone())
3742                        .when_some(active_thread, |this, active_thread| {
3743                            let thread = active_thread.read(cx);
3744
3745                            if !thread.is_empty() {
3746                                let session_id = thread.id().clone();
3747                                this.item(
3748                                    ContextMenuEntry::new("New From Summary")
3749                                        .icon(IconName::ThreadFromSummary)
3750                                        .icon_color(Color::Muted)
3751                                        .handler(move |window, cx| {
3752                                            window.dispatch_action(
3753                                                Box::new(NewNativeAgentThreadFromSummary {
3754                                                    from_session_id: session_id.clone(),
3755                                                }),
3756                                                cx,
3757                                            );
3758                                        }),
3759                                )
3760                            } else {
3761                                this
3762                            }
3763                        })
3764                        .item(
3765                            ContextMenuEntry::new("Zed Agent")
3766                                .when(
3767                                    is_agent_selected(AgentType::NativeAgent)
3768                                        | is_agent_selected(AgentType::TextThread),
3769                                    |this| {
3770                                        this.action(Box::new(NewExternalAgentThread {
3771                                            agent: None,
3772                                        }))
3773                                    },
3774                                )
3775                                .icon(IconName::ZedAgent)
3776                                .icon_color(Color::Muted)
3777                                .handler({
3778                                    let workspace = workspace.clone();
3779                                    move |window, cx| {
3780                                        if let Some(workspace) = workspace.upgrade() {
3781                                            workspace.update(cx, |workspace, cx| {
3782                                                if let Some(panel) =
3783                                                    workspace.panel::<AgentPanel>(cx)
3784                                                {
3785                                                    panel.update(cx, |panel, cx| {
3786                                                        panel.new_agent_thread(
3787                                                            AgentType::NativeAgent,
3788                                                            window,
3789                                                            cx,
3790                                                        );
3791                                                    });
3792                                                }
3793                                            });
3794                                        }
3795                                    }
3796                                }),
3797                        )
3798                        .item(
3799                            ContextMenuEntry::new("Text Thread")
3800                                .action(NewTextThread.boxed_clone())
3801                                .icon(IconName::TextThread)
3802                                .icon_color(Color::Muted)
3803                                .handler({
3804                                    let workspace = workspace.clone();
3805                                    move |window, cx| {
3806                                        if let Some(workspace) = workspace.upgrade() {
3807                                            workspace.update(cx, |workspace, cx| {
3808                                                if let Some(panel) =
3809                                                    workspace.panel::<AgentPanel>(cx)
3810                                                {
3811                                                    panel.update(cx, |panel, cx| {
3812                                                        panel.new_agent_thread(
3813                                                            AgentType::TextThread,
3814                                                            window,
3815                                                            cx,
3816                                                        );
3817                                                    });
3818                                                }
3819                                            });
3820                                        }
3821                                    }
3822                                }),
3823                        )
3824                        .separator()
3825                        .header("External Agents")
3826                        .map(|mut menu| {
3827                            let agent_server_store = agent_server_store.read(cx);
3828                            let registry_store = project::AgentRegistryStore::try_global(cx);
3829                            let registry_store_ref = registry_store.as_ref().map(|s| s.read(cx));
3830
3831                            struct AgentMenuItem {
3832                                id: AgentId,
3833                                display_name: SharedString,
3834                            }
3835
3836                            let agent_items = agent_server_store
3837                                .external_agents()
3838                                .map(|agent_id| {
3839                                    let display_name = agent_server_store
3840                                        .agent_display_name(agent_id)
3841                                        .or_else(|| {
3842                                            registry_store_ref
3843                                                .as_ref()
3844                                                .and_then(|store| store.agent(agent_id))
3845                                                .map(|a| a.name().clone())
3846                                        })
3847                                        .unwrap_or_else(|| agent_id.0.clone());
3848                                    AgentMenuItem {
3849                                        id: agent_id.clone(),
3850                                        display_name,
3851                                    }
3852                                })
3853                                .sorted_unstable_by_key(|e| e.display_name.to_lowercase())
3854                                .collect::<Vec<_>>();
3855
3856                            for item in &agent_items {
3857                                let mut entry = ContextMenuEntry::new(item.display_name.clone());
3858
3859                                let icon_path =
3860                                    agent_server_store.agent_icon(&item.id).or_else(|| {
3861                                        registry_store_ref
3862                                            .as_ref()
3863                                            .and_then(|store| store.agent(&item.id))
3864                                            .and_then(|a| a.icon_path().cloned())
3865                                    });
3866
3867                                if let Some(icon_path) = icon_path {
3868                                    entry = entry.custom_icon_svg(icon_path);
3869                                } else {
3870                                    entry = entry.icon(IconName::Sparkle);
3871                                }
3872
3873                                entry = entry
3874                                    .when(
3875                                        is_agent_selected(AgentType::Custom {
3876                                            id: item.id.clone(),
3877                                        }),
3878                                        |this| {
3879                                            this.action(Box::new(NewExternalAgentThread {
3880                                                agent: None,
3881                                            }))
3882                                        },
3883                                    )
3884                                    .icon_color(Color::Muted)
3885                                    .disabled(is_via_collab)
3886                                    .handler({
3887                                        let workspace = workspace.clone();
3888                                        let agent_id = item.id.clone();
3889                                        move |window, cx| {
3890                                            if let Some(workspace) = workspace.upgrade() {
3891                                                workspace.update(cx, |workspace, cx| {
3892                                                    if let Some(panel) =
3893                                                        workspace.panel::<AgentPanel>(cx)
3894                                                    {
3895                                                        panel.update(cx, |panel, cx| {
3896                                                            panel.new_agent_thread(
3897                                                                AgentType::Custom {
3898                                                                    id: agent_id.clone(),
3899                                                                },
3900                                                                window,
3901                                                                cx,
3902                                                            );
3903                                                        });
3904                                                    }
3905                                                });
3906                                            }
3907                                        }
3908                                    });
3909
3910                                menu = menu.item(entry);
3911                            }
3912
3913                            menu
3914                        })
3915                        .separator()
3916                        .item(
3917                            ContextMenuEntry::new("Add More Agents")
3918                                .icon(IconName::Plus)
3919                                .icon_color(Color::Muted)
3920                                .handler({
3921                                    move |window, cx| {
3922                                        window
3923                                            .dispatch_action(Box::new(zed_actions::AcpRegistry), cx)
3924                                    }
3925                                }),
3926                        )
3927                }))
3928            })
3929        };
3930
3931        let is_thread_loading = self
3932            .active_conversation_view()
3933            .map(|thread| thread.read(cx).is_loading())
3934            .unwrap_or(false);
3935
3936        let has_custom_icon = selected_agent_custom_icon.is_some();
3937        let selected_agent_custom_icon_for_button = selected_agent_custom_icon.clone();
3938        let selected_agent_builtin_icon = self.selected_agent_type.icon();
3939        let selected_agent_label_for_tooltip = selected_agent_label.clone();
3940
3941        let selected_agent = div()
3942            .id("selected_agent_icon")
3943            .when_some(selected_agent_custom_icon, |this, icon_path| {
3944                this.px_1()
3945                    .child(Icon::from_external_svg(icon_path).color(Color::Muted))
3946            })
3947            .when(!has_custom_icon, |this| {
3948                this.when_some(self.selected_agent_type.icon(), |this, icon| {
3949                    this.px_1().child(Icon::new(icon).color(Color::Muted))
3950                })
3951            })
3952            .tooltip(move |_, cx| {
3953                Tooltip::with_meta(
3954                    selected_agent_label_for_tooltip.clone(),
3955                    None,
3956                    "Selected Agent",
3957                    cx,
3958                )
3959            });
3960
3961        let selected_agent = if is_thread_loading {
3962            selected_agent
3963                .with_animation(
3964                    "pulsating-icon",
3965                    Animation::new(Duration::from_secs(1))
3966                        .repeat()
3967                        .with_easing(pulsating_between(0.2, 0.6)),
3968                    |icon, delta| icon.opacity(delta),
3969                )
3970                .into_any_element()
3971        } else {
3972            selected_agent.into_any_element()
3973        };
3974
3975        let show_history_menu = self.has_history_for_selected_agent(cx);
3976        let has_v2_flag = cx.has_flag::<AgentV2FeatureFlag>();
3977        let is_empty_state = !self.active_thread_has_messages(cx);
3978
3979        let is_in_history_or_config = matches!(
3980            &self.active_view,
3981            ActiveView::History { .. } | ActiveView::Configuration
3982        );
3983
3984        let is_text_thread = matches!(&self.active_view, ActiveView::TextThread { .. });
3985
3986        let use_v2_empty_toolbar =
3987            has_v2_flag && is_empty_state && !is_in_history_or_config && !is_text_thread;
3988
3989        let base_container = h_flex()
3990            .id("agent-panel-toolbar")
3991            .h(Tab::container_height(cx))
3992            .max_w_full()
3993            .flex_none()
3994            .justify_between()
3995            .gap_2()
3996            .bg(cx.theme().colors().tab_bar_background)
3997            .border_b_1()
3998            .border_color(cx.theme().colors().border);
3999
4000        if use_v2_empty_toolbar {
4001            let (chevron_icon, icon_color, label_color) =
4002                if self.new_thread_menu_handle.is_deployed() {
4003                    (IconName::ChevronUp, Color::Accent, Color::Accent)
4004                } else {
4005                    (IconName::ChevronDown, Color::Muted, Color::Default)
4006                };
4007
4008            let agent_icon = if let Some(icon_path) = selected_agent_custom_icon_for_button {
4009                Icon::from_external_svg(icon_path)
4010                    .size(IconSize::Small)
4011                    .color(icon_color)
4012            } else {
4013                let icon_name = selected_agent_builtin_icon.unwrap_or(IconName::ZedAgent);
4014                Icon::new(icon_name).size(IconSize::Small).color(icon_color)
4015            };
4016
4017            let agent_selector_button = Button::new("agent-selector-trigger", selected_agent_label)
4018                .start_icon(agent_icon)
4019                .color(label_color)
4020                .end_icon(
4021                    Icon::new(chevron_icon)
4022                        .color(icon_color)
4023                        .size(IconSize::XSmall),
4024                );
4025
4026            let agent_selector_menu = PopoverMenu::new("new_thread_menu")
4027                .trigger_with_tooltip(agent_selector_button, {
4028                    move |_window, cx| {
4029                        Tooltip::for_action_in(
4030                            "New Thread\u{2026}",
4031                            &ToggleNewThreadMenu,
4032                            &focus_handle,
4033                            cx,
4034                        )
4035                    }
4036                })
4037                .menu({
4038                    let builder = new_thread_menu_builder.clone();
4039                    move |window, cx| builder(window, cx)
4040                })
4041                .with_handle(self.new_thread_menu_handle.clone())
4042                .anchor(Corner::TopLeft)
4043                .offset(gpui::Point {
4044                    x: px(1.0),
4045                    y: px(1.0),
4046                });
4047
4048            base_container
4049                .child(
4050                    h_flex()
4051                        .size_full()
4052                        .gap(DynamicSpacing::Base04.rems(cx))
4053                        .pl(DynamicSpacing::Base04.rems(cx))
4054                        .child(agent_selector_menu)
4055                        .when(
4056                            has_visible_worktrees && self.project_has_git_repository(cx),
4057                            |this| this.child(self.render_start_thread_in_selector(cx)),
4058                        ),
4059                )
4060                .child(
4061                    h_flex()
4062                        .h_full()
4063                        .flex_none()
4064                        .gap_1()
4065                        .pl_1()
4066                        .pr_1()
4067                        .when(show_history_menu && !has_v2_flag, |this| {
4068                            this.child(self.render_recent_entries_menu(
4069                                IconName::MenuAltTemp,
4070                                Corner::TopRight,
4071                                cx,
4072                            ))
4073                        })
4074                        .child(self.render_panel_options_menu(window, cx)),
4075                )
4076                .into_any_element()
4077        } else {
4078            let new_thread_menu = PopoverMenu::new("new_thread_menu")
4079                .trigger_with_tooltip(
4080                    IconButton::new("new_thread_menu_btn", IconName::Plus)
4081                        .icon_size(IconSize::Small),
4082                    {
4083                        move |_window, cx| {
4084                            Tooltip::for_action_in(
4085                                "New Thread\u{2026}",
4086                                &ToggleNewThreadMenu,
4087                                &focus_handle,
4088                                cx,
4089                            )
4090                        }
4091                    },
4092                )
4093                .anchor(Corner::TopRight)
4094                .with_handle(self.new_thread_menu_handle.clone())
4095                .menu(move |window, cx| new_thread_menu_builder(window, cx));
4096
4097            base_container
4098                .child(
4099                    h_flex()
4100                        .size_full()
4101                        .gap(DynamicSpacing::Base04.rems(cx))
4102                        .pl(DynamicSpacing::Base04.rems(cx))
4103                        .child(match &self.active_view {
4104                            ActiveView::History { .. } | ActiveView::Configuration => {
4105                                self.render_toolbar_back_button(cx).into_any_element()
4106                            }
4107                            _ => selected_agent.into_any_element(),
4108                        })
4109                        .child(self.render_title_view(window, cx)),
4110                )
4111                .child(
4112                    h_flex()
4113                        .h_full()
4114                        .flex_none()
4115                        .gap_1()
4116                        .pl_1()
4117                        .pr_1()
4118                        .child(new_thread_menu)
4119                        .when(show_history_menu && !has_v2_flag, |this| {
4120                            this.child(self.render_recent_entries_menu(
4121                                IconName::MenuAltTemp,
4122                                Corner::TopRight,
4123                                cx,
4124                            ))
4125                        })
4126                        .child(self.render_panel_options_menu(window, cx)),
4127                )
4128                .into_any_element()
4129        }
4130    }
4131
4132    fn render_worktree_creation_status(&self, cx: &mut Context<Self>) -> Option<AnyElement> {
4133        let status = self.worktree_creation_status.as_ref()?;
4134        match status {
4135            WorktreeCreationStatus::Creating => Some(
4136                h_flex()
4137                    .absolute()
4138                    .bottom_12()
4139                    .w_full()
4140                    .p_2()
4141                    .gap_1()
4142                    .justify_center()
4143                    .bg(cx.theme().colors().editor_background)
4144                    .child(
4145                        Icon::new(IconName::LoadCircle)
4146                            .size(IconSize::Small)
4147                            .color(Color::Muted)
4148                            .with_rotate_animation(3),
4149                    )
4150                    .child(
4151                        Label::new("Creating Worktree…")
4152                            .color(Color::Muted)
4153                            .size(LabelSize::Small),
4154                    )
4155                    .into_any_element(),
4156            ),
4157            WorktreeCreationStatus::Error(message) => Some(
4158                Callout::new()
4159                    .icon(IconName::Warning)
4160                    .severity(Severity::Warning)
4161                    .title(message.clone())
4162                    .into_any_element(),
4163            ),
4164        }
4165    }
4166
4167    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
4168        if TrialEndUpsell::dismissed(cx) {
4169            return false;
4170        }
4171
4172        match &self.active_view {
4173            ActiveView::TextThread { .. } => {
4174                if LanguageModelRegistry::global(cx)
4175                    .read(cx)
4176                    .default_model()
4177                    .is_some_and(|model| {
4178                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
4179                    })
4180                {
4181                    return false;
4182                }
4183            }
4184            ActiveView::Uninitialized
4185            | ActiveView::AgentThread { .. }
4186            | ActiveView::History { .. }
4187            | ActiveView::Configuration => return false,
4188        }
4189
4190        let plan = self.user_store.read(cx).plan();
4191        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
4192
4193        plan.is_some_and(|plan| plan == Plan::ZedFree) && has_previous_trial
4194    }
4195
4196    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
4197        if self.on_boarding_upsell_dismissed.load(Ordering::Acquire) {
4198            return false;
4199        }
4200
4201        let user_store = self.user_store.read(cx);
4202
4203        if user_store.plan().is_some_and(|plan| plan == Plan::ZedPro)
4204            && user_store
4205                .subscription_period()
4206                .and_then(|period| period.0.checked_add_days(chrono::Days::new(1)))
4207                .is_some_and(|date| date < chrono::Utc::now())
4208        {
4209            OnboardingUpsell::set_dismissed(true, cx);
4210            self.on_boarding_upsell_dismissed
4211                .store(true, Ordering::Release);
4212            return false;
4213        }
4214
4215        let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
4216            .visible_providers()
4217            .iter()
4218            .any(|provider| {
4219                provider.is_authenticated(cx)
4220                    && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
4221            });
4222
4223        match &self.active_view {
4224            ActiveView::Uninitialized | ActiveView::History { .. } | ActiveView::Configuration => {
4225                false
4226            }
4227            ActiveView::AgentThread {
4228                conversation_view, ..
4229            } if conversation_view.read(cx).as_native_thread(cx).is_none() => false,
4230            ActiveView::AgentThread { conversation_view } => {
4231                let history_is_empty = conversation_view
4232                    .read(cx)
4233                    .history()
4234                    .is_none_or(|h| h.read(cx).is_empty());
4235                history_is_empty || !has_configured_non_zed_providers
4236            }
4237            ActiveView::TextThread { .. } => {
4238                let history_is_empty = self.text_thread_history.read(cx).is_empty();
4239                history_is_empty || !has_configured_non_zed_providers
4240            }
4241        }
4242    }
4243
4244    fn render_onboarding(
4245        &self,
4246        _window: &mut Window,
4247        cx: &mut Context<Self>,
4248    ) -> Option<impl IntoElement> {
4249        if !self.should_render_onboarding(cx) {
4250            return None;
4251        }
4252
4253        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
4254
4255        Some(
4256            div()
4257                .when(text_thread_view, |this| {
4258                    this.bg(cx.theme().colors().editor_background)
4259                })
4260                .child(self.onboarding.clone()),
4261        )
4262    }
4263
4264    fn render_trial_end_upsell(
4265        &self,
4266        _window: &mut Window,
4267        cx: &mut Context<Self>,
4268    ) -> Option<impl IntoElement> {
4269        if !self.should_render_trial_end_upsell(cx) {
4270            return None;
4271        }
4272
4273        Some(
4274            v_flex()
4275                .absolute()
4276                .inset_0()
4277                .size_full()
4278                .bg(cx.theme().colors().panel_background)
4279                .opacity(0.85)
4280                .block_mouse_except_scroll()
4281                .child(EndTrialUpsell::new(Arc::new({
4282                    let this = cx.entity();
4283                    move |_, cx| {
4284                        this.update(cx, |_this, cx| {
4285                            TrialEndUpsell::set_dismissed(true, cx);
4286                            cx.notify();
4287                        });
4288                    }
4289                }))),
4290        )
4291    }
4292
4293    fn emit_configuration_error_telemetry_if_needed(
4294        &mut self,
4295        configuration_error: Option<&ConfigurationError>,
4296    ) {
4297        let error_kind = configuration_error.map(|err| match err {
4298            ConfigurationError::NoProvider => "no_provider",
4299            ConfigurationError::ModelNotFound => "model_not_found",
4300            ConfigurationError::ProviderNotAuthenticated(_) => "provider_not_authenticated",
4301        });
4302
4303        let error_kind_string = error_kind.map(String::from);
4304
4305        if self.last_configuration_error_telemetry == error_kind_string {
4306            return;
4307        }
4308
4309        self.last_configuration_error_telemetry = error_kind_string;
4310
4311        if let Some(kind) = error_kind {
4312            let message = configuration_error
4313                .map(|err| err.to_string())
4314                .unwrap_or_default();
4315
4316            telemetry::event!("Agent Panel Error Shown", kind = kind, message = message,);
4317        }
4318    }
4319
4320    fn render_configuration_error(
4321        &self,
4322        border_bottom: bool,
4323        configuration_error: &ConfigurationError,
4324        focus_handle: &FocusHandle,
4325        cx: &mut App,
4326    ) -> impl IntoElement {
4327        let zed_provider_configured = AgentSettings::get_global(cx)
4328            .default_model
4329            .as_ref()
4330            .is_some_and(|selection| selection.provider.0.as_str() == "zed.dev");
4331
4332        let callout = if zed_provider_configured {
4333            Callout::new()
4334                .icon(IconName::Warning)
4335                .severity(Severity::Warning)
4336                .when(border_bottom, |this| {
4337                    this.border_position(ui::BorderPosition::Bottom)
4338                })
4339                .title("Sign in to continue using Zed as your LLM provider.")
4340                .actions_slot(
4341                    Button::new("sign_in", "Sign In")
4342                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
4343                        .label_size(LabelSize::Small)
4344                        .on_click({
4345                            let workspace = self.workspace.clone();
4346                            move |_, _, cx| {
4347                                let Ok(client) =
4348                                    workspace.update(cx, |workspace, _| workspace.client().clone())
4349                                else {
4350                                    return;
4351                                };
4352
4353                                cx.spawn(async move |cx| {
4354                                    client.sign_in_with_optional_connect(true, cx).await
4355                                })
4356                                .detach_and_log_err(cx);
4357                            }
4358                        }),
4359                )
4360        } else {
4361            Callout::new()
4362                .icon(IconName::Warning)
4363                .severity(Severity::Warning)
4364                .when(border_bottom, |this| {
4365                    this.border_position(ui::BorderPosition::Bottom)
4366                })
4367                .title(configuration_error.to_string())
4368                .actions_slot(
4369                    Button::new("settings", "Configure")
4370                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
4371                        .label_size(LabelSize::Small)
4372                        .key_binding(
4373                            KeyBinding::for_action_in(&OpenSettings, focus_handle, cx)
4374                                .map(|kb| kb.size(rems_from_px(12.))),
4375                        )
4376                        .on_click(|_event, window, cx| {
4377                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
4378                        }),
4379                )
4380        };
4381
4382        match configuration_error {
4383            ConfigurationError::ModelNotFound
4384            | ConfigurationError::ProviderNotAuthenticated(_)
4385            | ConfigurationError::NoProvider => callout.into_any_element(),
4386        }
4387    }
4388
4389    fn render_text_thread(
4390        &self,
4391        text_thread_editor: &Entity<TextThreadEditor>,
4392        buffer_search_bar: &Entity<BufferSearchBar>,
4393        window: &mut Window,
4394        cx: &mut Context<Self>,
4395    ) -> Div {
4396        let mut registrar = buffer_search::DivRegistrar::new(
4397            |this, _, _cx| match &this.active_view {
4398                ActiveView::TextThread {
4399                    buffer_search_bar, ..
4400                } => Some(buffer_search_bar.clone()),
4401                _ => None,
4402            },
4403            cx,
4404        );
4405        BufferSearchBar::register(&mut registrar);
4406        registrar
4407            .into_div()
4408            .size_full()
4409            .relative()
4410            .map(|parent| {
4411                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
4412                    if buffer_search_bar.is_dismissed() {
4413                        return parent;
4414                    }
4415                    parent.child(
4416                        div()
4417                            .p(DynamicSpacing::Base08.rems(cx))
4418                            .border_b_1()
4419                            .border_color(cx.theme().colors().border_variant)
4420                            .bg(cx.theme().colors().editor_background)
4421                            .child(buffer_search_bar.render(window, cx)),
4422                    )
4423                })
4424            })
4425            .child(text_thread_editor.clone())
4426            .child(self.render_drag_target(cx))
4427    }
4428
4429    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
4430        let is_local = self.project.read(cx).is_local();
4431        div()
4432            .invisible()
4433            .absolute()
4434            .top_0()
4435            .right_0()
4436            .bottom_0()
4437            .left_0()
4438            .bg(cx.theme().colors().drop_target_background)
4439            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
4440            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
4441            .when(is_local, |this| {
4442                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
4443            })
4444            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
4445                let item = tab.pane.read(cx).item_for_index(tab.ix);
4446                let project_paths = item
4447                    .and_then(|item| item.project_path(cx))
4448                    .into_iter()
4449                    .collect::<Vec<_>>();
4450                this.handle_drop(project_paths, vec![], window, cx);
4451            }))
4452            .on_drop(
4453                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
4454                    let project_paths = selection
4455                        .items()
4456                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
4457                        .collect::<Vec<_>>();
4458                    this.handle_drop(project_paths, vec![], window, cx);
4459                }),
4460            )
4461            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
4462                let tasks = paths
4463                    .paths()
4464                    .iter()
4465                    .map(|path| {
4466                        Workspace::project_path_for_path(this.project.clone(), path, false, cx)
4467                    })
4468                    .collect::<Vec<_>>();
4469                cx.spawn_in(window, async move |this, cx| {
4470                    let mut paths = vec![];
4471                    let mut added_worktrees = vec![];
4472                    let opened_paths = futures::future::join_all(tasks).await;
4473                    for entry in opened_paths {
4474                        if let Some((worktree, project_path)) = entry.log_err() {
4475                            added_worktrees.push(worktree);
4476                            paths.push(project_path);
4477                        }
4478                    }
4479                    this.update_in(cx, |this, window, cx| {
4480                        this.handle_drop(paths, added_worktrees, window, cx);
4481                    })
4482                    .ok();
4483                })
4484                .detach();
4485            }))
4486    }
4487
4488    fn handle_drop(
4489        &mut self,
4490        paths: Vec<ProjectPath>,
4491        added_worktrees: Vec<Entity<Worktree>>,
4492        window: &mut Window,
4493        cx: &mut Context<Self>,
4494    ) {
4495        match &self.active_view {
4496            ActiveView::AgentThread { conversation_view } => {
4497                conversation_view.update(cx, |conversation_view, cx| {
4498                    conversation_view.insert_dragged_files(paths, added_worktrees, window, cx);
4499                });
4500            }
4501            ActiveView::TextThread {
4502                text_thread_editor, ..
4503            } => {
4504                text_thread_editor.update(cx, |text_thread_editor, cx| {
4505                    TextThreadEditor::insert_dragged_files(
4506                        text_thread_editor,
4507                        paths,
4508                        added_worktrees,
4509                        window,
4510                        cx,
4511                    );
4512                });
4513            }
4514            ActiveView::Uninitialized | ActiveView::History { .. } | ActiveView::Configuration => {}
4515        }
4516    }
4517
4518    fn render_workspace_trust_message(&self, cx: &Context<Self>) -> Option<impl IntoElement> {
4519        if !self.show_trust_workspace_message {
4520            return None;
4521        }
4522
4523        let description = "To protect your system, third-party code—like MCP servers—won't run until you mark this workspace as safe.";
4524
4525        Some(
4526            Callout::new()
4527                .icon(IconName::Warning)
4528                .severity(Severity::Warning)
4529                .border_position(ui::BorderPosition::Bottom)
4530                .title("You're in Restricted Mode")
4531                .description(description)
4532                .actions_slot(
4533                    Button::new("open-trust-modal", "Configure Project Trust")
4534                        .label_size(LabelSize::Small)
4535                        .style(ButtonStyle::Outlined)
4536                        .on_click({
4537                            cx.listener(move |this, _, window, cx| {
4538                                this.workspace
4539                                    .update(cx, |workspace, cx| {
4540                                        workspace
4541                                            .show_worktree_trust_security_modal(true, window, cx)
4542                                    })
4543                                    .log_err();
4544                            })
4545                        }),
4546                ),
4547        )
4548    }
4549
4550    fn key_context(&self) -> KeyContext {
4551        let mut key_context = KeyContext::new_with_defaults();
4552        key_context.add("AgentPanel");
4553        match &self.active_view {
4554            ActiveView::AgentThread { .. } => key_context.add("acp_thread"),
4555            ActiveView::TextThread { .. } => key_context.add("text_thread"),
4556            ActiveView::Uninitialized | ActiveView::History { .. } | ActiveView::Configuration => {}
4557        }
4558        key_context
4559    }
4560}
4561
4562impl Render for AgentPanel {
4563    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
4564        // WARNING: Changes to this element hierarchy can have
4565        // non-obvious implications to the layout of children.
4566        //
4567        // If you need to change it, please confirm:
4568        // - The message editor expands (cmd-option-esc) correctly
4569        // - When expanded, the buttons at the bottom of the panel are displayed correctly
4570        // - Font size works as expected and can be changed with cmd-+/cmd-
4571        // - Scrolling in all views works as expected
4572        // - Files can be dropped into the panel
4573        let content = v_flex()
4574            .relative()
4575            .size_full()
4576            .justify_between()
4577            .key_context(self.key_context())
4578            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
4579                this.new_thread(action, window, cx);
4580            }))
4581            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
4582                this.open_history(window, cx);
4583            }))
4584            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
4585                this.open_configuration(window, cx);
4586            }))
4587            .on_action(cx.listener(Self::open_active_thread_as_markdown))
4588            .on_action(cx.listener(Self::deploy_rules_library))
4589            .on_action(cx.listener(Self::go_back))
4590            .on_action(cx.listener(Self::toggle_navigation_menu))
4591            .on_action(cx.listener(Self::toggle_options_menu))
4592            .on_action(cx.listener(Self::increase_font_size))
4593            .on_action(cx.listener(Self::decrease_font_size))
4594            .on_action(cx.listener(Self::reset_font_size))
4595            .on_action(cx.listener(Self::toggle_zoom))
4596            .on_action(cx.listener(|this, _: &ReauthenticateAgent, window, cx| {
4597                if let Some(conversation_view) = this.active_conversation_view() {
4598                    conversation_view.update(cx, |conversation_view, cx| {
4599                        conversation_view.reauthenticate(window, cx)
4600                    })
4601                }
4602            }))
4603            .child(self.render_toolbar(window, cx))
4604            .children(self.render_workspace_trust_message(cx))
4605            .children(self.render_onboarding(window, cx))
4606            .map(|parent| {
4607                // Emit configuration error telemetry before entering the match to avoid borrow conflicts
4608                if matches!(&self.active_view, ActiveView::TextThread { .. }) {
4609                    let model_registry = LanguageModelRegistry::read_global(cx);
4610                    let configuration_error =
4611                        model_registry.configuration_error(model_registry.default_model(), cx);
4612                    self.emit_configuration_error_telemetry_if_needed(configuration_error.as_ref());
4613                }
4614
4615                match &self.active_view {
4616                    ActiveView::Uninitialized => parent,
4617                    ActiveView::AgentThread {
4618                        conversation_view, ..
4619                    } => parent
4620                        .child(conversation_view.clone())
4621                        .child(self.render_drag_target(cx)),
4622                    ActiveView::History { history: kind } => match kind {
4623                        History::AgentThreads { view } => parent.child(view.clone()),
4624                        History::TextThreads => parent.child(self.text_thread_history.clone()),
4625                    },
4626                    ActiveView::TextThread {
4627                        text_thread_editor,
4628                        buffer_search_bar,
4629                        ..
4630                    } => {
4631                        let model_registry = LanguageModelRegistry::read_global(cx);
4632                        let configuration_error =
4633                            model_registry.configuration_error(model_registry.default_model(), cx);
4634
4635                        parent
4636                            .map(|this| {
4637                                if !self.should_render_onboarding(cx)
4638                                    && let Some(err) = configuration_error.as_ref()
4639                                {
4640                                    this.child(self.render_configuration_error(
4641                                        true,
4642                                        err,
4643                                        &self.focus_handle(cx),
4644                                        cx,
4645                                    ))
4646                                } else {
4647                                    this
4648                                }
4649                            })
4650                            .child(self.render_text_thread(
4651                                text_thread_editor,
4652                                buffer_search_bar,
4653                                window,
4654                                cx,
4655                            ))
4656                    }
4657                    ActiveView::Configuration => parent.children(self.configuration.clone()),
4658                }
4659            })
4660            .children(self.render_worktree_creation_status(cx))
4661            .children(self.render_trial_end_upsell(window, cx));
4662
4663        match self.active_view.which_font_size_used() {
4664            WhichFontSize::AgentFont => {
4665                WithRemSize::new(ThemeSettings::get_global(cx).agent_ui_font_size(cx))
4666                    .size_full()
4667                    .child(content)
4668                    .into_any()
4669            }
4670            _ => content.into_any(),
4671        }
4672    }
4673}
4674
4675struct PromptLibraryInlineAssist {
4676    workspace: WeakEntity<Workspace>,
4677}
4678
4679impl PromptLibraryInlineAssist {
4680    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
4681        Self { workspace }
4682    }
4683}
4684
4685impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
4686    fn assist(
4687        &self,
4688        prompt_editor: &Entity<Editor>,
4689        initial_prompt: Option<String>,
4690        window: &mut Window,
4691        cx: &mut Context<RulesLibrary>,
4692    ) {
4693        InlineAssistant::update_global(cx, |assistant, cx| {
4694            let Some(workspace) = self.workspace.upgrade() else {
4695                return;
4696            };
4697            let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) else {
4698                return;
4699            };
4700            let history = panel
4701                .read(cx)
4702                .connection_store()
4703                .read(cx)
4704                .entry(&crate::Agent::NativeAgent)
4705                .and_then(|s| s.read(cx).history())
4706                .map(|h| h.downgrade());
4707            let project = workspace.read(cx).project().downgrade();
4708            let panel = panel.read(cx);
4709            let thread_store = panel.thread_store().clone();
4710            assistant.assist(
4711                prompt_editor,
4712                self.workspace.clone(),
4713                project,
4714                thread_store,
4715                None,
4716                history,
4717                initial_prompt,
4718                window,
4719                cx,
4720            );
4721        })
4722    }
4723
4724    fn focus_agent_panel(
4725        &self,
4726        workspace: &mut Workspace,
4727        window: &mut Window,
4728        cx: &mut Context<Workspace>,
4729    ) -> bool {
4730        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
4731    }
4732}
4733
4734pub struct ConcreteAssistantPanelDelegate;
4735
4736impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
4737    fn active_text_thread_editor(
4738        &self,
4739        workspace: &mut Workspace,
4740        _window: &mut Window,
4741        cx: &mut Context<Workspace>,
4742    ) -> Option<Entity<TextThreadEditor>> {
4743        let panel = workspace.panel::<AgentPanel>(cx)?;
4744        panel.read(cx).active_text_thread_editor()
4745    }
4746
4747    fn open_local_text_thread(
4748        &self,
4749        workspace: &mut Workspace,
4750        path: Arc<Path>,
4751        window: &mut Window,
4752        cx: &mut Context<Workspace>,
4753    ) -> Task<Result<()>> {
4754        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
4755            return Task::ready(Err(anyhow!("Agent panel not found")));
4756        };
4757
4758        panel.update(cx, |panel, cx| {
4759            panel.open_saved_text_thread(path, window, cx)
4760        })
4761    }
4762
4763    fn open_remote_text_thread(
4764        &self,
4765        _workspace: &mut Workspace,
4766        _text_thread_id: assistant_text_thread::TextThreadId,
4767        _window: &mut Window,
4768        _cx: &mut Context<Workspace>,
4769    ) -> Task<Result<Entity<TextThreadEditor>>> {
4770        Task::ready(Err(anyhow!("opening remote context not implemented")))
4771    }
4772
4773    fn quote_selection(
4774        &self,
4775        workspace: &mut Workspace,
4776        selection_ranges: Vec<Range<Anchor>>,
4777        buffer: Entity<MultiBuffer>,
4778        window: &mut Window,
4779        cx: &mut Context<Workspace>,
4780    ) {
4781        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
4782            return;
4783        };
4784
4785        if !panel.focus_handle(cx).contains_focused(window, cx) {
4786            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
4787        }
4788
4789        panel.update(cx, |_, cx| {
4790            // Wait to create a new context until the workspace is no longer
4791            // being updated.
4792            cx.defer_in(window, move |panel, window, cx| {
4793                if let Some(conversation_view) = panel.active_conversation_view() {
4794                    conversation_view.update(cx, |conversation_view, cx| {
4795                        conversation_view.insert_selections(window, cx);
4796                    });
4797                } else if let Some(text_thread_editor) = panel.active_text_thread_editor() {
4798                    let snapshot = buffer.read(cx).snapshot(cx);
4799                    let selection_ranges = selection_ranges
4800                        .into_iter()
4801                        .map(|range| range.to_point(&snapshot))
4802                        .collect::<Vec<_>>();
4803
4804                    text_thread_editor.update(cx, |text_thread_editor, cx| {
4805                        text_thread_editor.quote_ranges(selection_ranges, snapshot, window, cx)
4806                    });
4807                }
4808            });
4809        });
4810    }
4811
4812    fn quote_terminal_text(
4813        &self,
4814        workspace: &mut Workspace,
4815        text: String,
4816        window: &mut Window,
4817        cx: &mut Context<Workspace>,
4818    ) {
4819        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
4820            return;
4821        };
4822
4823        if !panel.focus_handle(cx).contains_focused(window, cx) {
4824            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
4825        }
4826
4827        panel.update(cx, |_, cx| {
4828            // Wait to create a new context until the workspace is no longer
4829            // being updated.
4830            cx.defer_in(window, move |panel, window, cx| {
4831                if let Some(conversation_view) = panel.active_conversation_view() {
4832                    conversation_view.update(cx, |conversation_view, cx| {
4833                        conversation_view.insert_terminal_text(text, window, cx);
4834                    });
4835                } else if let Some(text_thread_editor) = panel.active_text_thread_editor() {
4836                    text_thread_editor.update(cx, |text_thread_editor, cx| {
4837                        text_thread_editor.quote_terminal_text(text, window, cx)
4838                    });
4839                }
4840            });
4841        });
4842    }
4843}
4844
4845struct OnboardingUpsell;
4846
4847impl Dismissable for OnboardingUpsell {
4848    const KEY: &'static str = "dismissed-trial-upsell";
4849}
4850
4851struct TrialEndUpsell;
4852
4853impl Dismissable for TrialEndUpsell {
4854    const KEY: &'static str = "dismissed-trial-end-upsell";
4855}
4856
4857/// Test-only helper methods
4858#[cfg(any(test, feature = "test-support"))]
4859impl AgentPanel {
4860    pub fn test_new(
4861        workspace: &Workspace,
4862        text_thread_store: Entity<assistant_text_thread::TextThreadStore>,
4863        window: &mut Window,
4864        cx: &mut Context<Self>,
4865    ) -> Self {
4866        Self::new(workspace, text_thread_store, None, window, cx)
4867    }
4868
4869    /// Opens an external thread using an arbitrary AgentServer.
4870    ///
4871    /// This is a test-only helper that allows visual tests and integration tests
4872    /// to inject a stub server without modifying production code paths.
4873    /// Not compiled into production builds.
4874    pub fn open_external_thread_with_server(
4875        &mut self,
4876        server: Rc<dyn AgentServer>,
4877        window: &mut Window,
4878        cx: &mut Context<Self>,
4879    ) {
4880        let workspace = self.workspace.clone();
4881        let project = self.project.clone();
4882
4883        let ext_agent = Agent::Custom {
4884            id: server.agent_id(),
4885        };
4886
4887        self.create_agent_thread(
4888            server, None, None, None, None, workspace, project, ext_agent, true, window, cx,
4889        );
4890    }
4891
4892    /// Returns the currently active thread view, if any.
4893    ///
4894    /// This is a test-only accessor that exposes the private `active_thread_view()`
4895    /// method for test assertions. Not compiled into production builds.
4896    pub fn active_thread_view_for_tests(&self) -> Option<&Entity<ConversationView>> {
4897        self.active_conversation_view()
4898    }
4899
4900    /// Sets the start_thread_in value directly, bypassing validation.
4901    ///
4902    /// This is a test-only helper for visual tests that need to show specific
4903    /// start_thread_in states without requiring a real git repository.
4904    pub fn set_start_thread_in_for_tests(&mut self, target: StartThreadIn, cx: &mut Context<Self>) {
4905        self.start_thread_in = target;
4906        cx.notify();
4907    }
4908
4909    /// Returns the current worktree creation status.
4910    ///
4911    /// This is a test-only helper for visual tests.
4912    pub fn worktree_creation_status_for_tests(&self) -> Option<&WorktreeCreationStatus> {
4913        self.worktree_creation_status.as_ref()
4914    }
4915
4916    /// Sets the worktree creation status directly.
4917    ///
4918    /// This is a test-only helper for visual tests that need to show the
4919    /// "Creating worktree…" spinner or error banners.
4920    pub fn set_worktree_creation_status_for_tests(
4921        &mut self,
4922        status: Option<WorktreeCreationStatus>,
4923        cx: &mut Context<Self>,
4924    ) {
4925        self.worktree_creation_status = status;
4926        cx.notify();
4927    }
4928
4929    /// Opens the history view.
4930    ///
4931    /// This is a test-only helper that exposes the private `open_history()`
4932    /// method for visual tests.
4933    pub fn open_history_for_tests(&mut self, window: &mut Window, cx: &mut Context<Self>) {
4934        self.open_history(window, cx);
4935    }
4936
4937    /// Opens the start_thread_in selector popover menu.
4938    ///
4939    /// This is a test-only helper for visual tests.
4940    pub fn open_start_thread_in_menu_for_tests(
4941        &mut self,
4942        window: &mut Window,
4943        cx: &mut Context<Self>,
4944    ) {
4945        self.start_thread_in_menu_handle.show(window, cx);
4946    }
4947
4948    /// Dismisses the start_thread_in dropdown menu.
4949    ///
4950    /// This is a test-only helper for visual tests.
4951    pub fn close_start_thread_in_menu_for_tests(&mut self, cx: &mut Context<Self>) {
4952        self.start_thread_in_menu_handle.hide(cx);
4953    }
4954}
4955
4956#[cfg(test)]
4957mod tests {
4958    use super::*;
4959    use crate::conversation_view::tests::{StubAgentServer, init_test};
4960    use crate::test_support::{
4961        active_session_id, open_thread_with_connection, open_thread_with_custom_connection,
4962        send_message,
4963    };
4964    use acp_thread::{StubAgentConnection, ThreadStatus};
4965    use agent_servers::CODEX_ID;
4966    use assistant_text_thread::TextThreadStore;
4967    use feature_flags::FeatureFlagAppExt;
4968    use fs::FakeFs;
4969    use gpui::{TestAppContext, VisualTestContext};
4970    use project::Project;
4971    use serde_json::json;
4972    use std::time::Instant;
4973    use workspace::MultiWorkspace;
4974
4975    #[gpui::test]
4976    async fn test_active_thread_serialize_and_load_round_trip(cx: &mut TestAppContext) {
4977        init_test(cx);
4978        cx.update(|cx| {
4979            cx.update_flags(true, vec!["agent-v2".to_string()]);
4980            agent::ThreadStore::init_global(cx);
4981            language_model::LanguageModelRegistry::test(cx);
4982        });
4983
4984        // --- Create a MultiWorkspace window with two workspaces ---
4985        let fs = FakeFs::new(cx.executor());
4986        let project_a = Project::test(fs.clone(), [], cx).await;
4987        let project_b = Project::test(fs, [], cx).await;
4988
4989        let multi_workspace =
4990            cx.add_window(|window, cx| MultiWorkspace::test_new(project_a.clone(), window, cx));
4991
4992        let workspace_a = multi_workspace
4993            .read_with(cx, |multi_workspace, _cx| {
4994                multi_workspace.workspace().clone()
4995            })
4996            .unwrap();
4997
4998        let workspace_b = multi_workspace
4999            .update(cx, |multi_workspace, window, cx| {
5000                multi_workspace.test_add_workspace(project_b.clone(), window, cx)
5001            })
5002            .unwrap();
5003
5004        workspace_a.update(cx, |workspace, _cx| {
5005            workspace.set_random_database_id();
5006        });
5007        workspace_b.update(cx, |workspace, _cx| {
5008            workspace.set_random_database_id();
5009        });
5010
5011        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
5012
5013        // --- Set up workspace A: width=300, with an active thread ---
5014        let panel_a = workspace_a.update_in(cx, |workspace, window, cx| {
5015            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project_a.clone(), cx));
5016            cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx))
5017        });
5018
5019        panel_a.update(cx, |panel, _cx| {
5020            panel.width = Some(px(300.0));
5021        });
5022
5023        panel_a.update_in(cx, |panel, window, cx| {
5024            panel.open_external_thread_with_server(
5025                Rc::new(StubAgentServer::default_response()),
5026                window,
5027                cx,
5028            );
5029        });
5030
5031        cx.run_until_parked();
5032
5033        panel_a.read_with(cx, |panel, cx| {
5034            assert!(
5035                panel.active_agent_thread(cx).is_some(),
5036                "workspace A should have an active thread after connection"
5037            );
5038        });
5039
5040        let agent_type_a = panel_a.read_with(cx, |panel, _cx| panel.selected_agent_type.clone());
5041
5042        // --- Set up workspace B: ClaudeCode, width=400, no active thread ---
5043        let panel_b = workspace_b.update_in(cx, |workspace, window, cx| {
5044            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project_b.clone(), cx));
5045            cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx))
5046        });
5047
5048        panel_b.update(cx, |panel, _cx| {
5049            panel.width = Some(px(400.0));
5050            panel.selected_agent_type = AgentType::Custom {
5051                id: "claude-acp".into(),
5052            };
5053        });
5054
5055        // --- Serialize both panels ---
5056        panel_a.update(cx, |panel, cx| panel.serialize(cx));
5057        panel_b.update(cx, |panel, cx| panel.serialize(cx));
5058        cx.run_until_parked();
5059
5060        // --- Load fresh panels for each workspace and verify independent state ---
5061        let prompt_builder = Arc::new(prompt_store::PromptBuilder::new(None).unwrap());
5062
5063        let async_cx = cx.update(|window, cx| window.to_async(cx));
5064        let loaded_a = AgentPanel::load(workspace_a.downgrade(), prompt_builder.clone(), async_cx)
5065            .await
5066            .expect("panel A load should succeed");
5067        cx.run_until_parked();
5068
5069        let async_cx = cx.update(|window, cx| window.to_async(cx));
5070        let loaded_b = AgentPanel::load(workspace_b.downgrade(), prompt_builder.clone(), async_cx)
5071            .await
5072            .expect("panel B load should succeed");
5073        cx.run_until_parked();
5074
5075        // Workspace A should restore its thread, width, and agent type
5076        loaded_a.read_with(cx, |panel, _cx| {
5077            assert_eq!(
5078                panel.width,
5079                Some(px(300.0)),
5080                "workspace A width should be restored"
5081            );
5082            assert_eq!(
5083                panel.selected_agent_type, agent_type_a,
5084                "workspace A agent type should be restored"
5085            );
5086            assert!(
5087                panel.active_conversation_view().is_some(),
5088                "workspace A should have its active thread restored"
5089            );
5090        });
5091
5092        // Workspace B should restore its own width and agent type, with no thread
5093        loaded_b.read_with(cx, |panel, _cx| {
5094            assert_eq!(
5095                panel.width,
5096                Some(px(400.0)),
5097                "workspace B width should be restored"
5098            );
5099            assert_eq!(
5100                panel.selected_agent_type,
5101                AgentType::Custom {
5102                    id: "claude-acp".into()
5103                },
5104                "workspace B agent type should be restored"
5105            );
5106            assert!(
5107                panel.active_conversation_view().is_none(),
5108                "workspace B should have no active thread"
5109            );
5110        });
5111    }
5112
5113    // Simple regression test
5114    #[gpui::test]
5115    async fn test_new_text_thread_action_handler(cx: &mut TestAppContext) {
5116        init_test(cx);
5117
5118        let fs = FakeFs::new(cx.executor());
5119
5120        cx.update(|cx| {
5121            cx.update_flags(true, vec!["agent-v2".to_string()]);
5122            agent::ThreadStore::init_global(cx);
5123            language_model::LanguageModelRegistry::test(cx);
5124            let slash_command_registry =
5125                assistant_slash_command::SlashCommandRegistry::default_global(cx);
5126            slash_command_registry
5127                .register_command(assistant_slash_commands::DefaultSlashCommand, false);
5128            <dyn fs::Fs>::set_global(fs.clone(), cx);
5129        });
5130
5131        let project = Project::test(fs.clone(), [], cx).await;
5132
5133        let multi_workspace =
5134            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
5135
5136        let workspace_a = multi_workspace
5137            .read_with(cx, |multi_workspace, _cx| {
5138                multi_workspace.workspace().clone()
5139            })
5140            .unwrap();
5141
5142        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
5143
5144        workspace_a.update_in(cx, |workspace, window, cx| {
5145            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
5146            let panel =
5147                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
5148            workspace.add_panel(panel, window, cx);
5149        });
5150
5151        cx.run_until_parked();
5152
5153        workspace_a.update_in(cx, |_, window, cx| {
5154            window.dispatch_action(NewTextThread.boxed_clone(), cx);
5155        });
5156
5157        cx.run_until_parked();
5158    }
5159
5160    /// Extracts the text from a Text content block, panicking if it's not Text.
5161    fn expect_text_block(block: &acp::ContentBlock) -> &str {
5162        match block {
5163            acp::ContentBlock::Text(t) => t.text.as_str(),
5164            other => panic!("expected Text block, got {:?}", other),
5165        }
5166    }
5167
5168    /// Extracts the (text_content, uri) from a Resource content block, panicking
5169    /// if it's not a TextResourceContents resource.
5170    fn expect_resource_block(block: &acp::ContentBlock) -> (&str, &str) {
5171        match block {
5172            acp::ContentBlock::Resource(r) => match &r.resource {
5173                acp::EmbeddedResourceResource::TextResourceContents(t) => {
5174                    (t.text.as_str(), t.uri.as_str())
5175                }
5176                other => panic!("expected TextResourceContents, got {:?}", other),
5177            },
5178            other => panic!("expected Resource block, got {:?}", other),
5179        }
5180    }
5181
5182    #[test]
5183    fn test_build_conflict_resolution_prompt_single_conflict() {
5184        let conflicts = vec![ConflictContent {
5185            file_path: "src/main.rs".to_string(),
5186            conflict_text: "<<<<<<< HEAD\nlet x = 1;\n=======\nlet x = 2;\n>>>>>>> feature"
5187                .to_string(),
5188            ours_branch_name: "HEAD".to_string(),
5189            theirs_branch_name: "feature".to_string(),
5190        }];
5191
5192        let blocks = build_conflict_resolution_prompt(&conflicts);
5193        // 2 Text blocks + 1 ResourceLink + 1 Resource for the conflict
5194        assert_eq!(
5195            blocks.len(),
5196            4,
5197            "expected 2 text + 1 resource link + 1 resource block"
5198        );
5199
5200        let intro_text = expect_text_block(&blocks[0]);
5201        assert!(
5202            intro_text.contains("Please resolve the following merge conflict in"),
5203            "prompt should include single-conflict intro text"
5204        );
5205
5206        match &blocks[1] {
5207            acp::ContentBlock::ResourceLink(link) => {
5208                assert!(
5209                    link.uri.contains("file://"),
5210                    "resource link URI should use file scheme"
5211                );
5212                assert!(
5213                    link.uri.contains("main.rs"),
5214                    "resource link URI should reference file path"
5215                );
5216            }
5217            other => panic!("expected ResourceLink block, got {:?}", other),
5218        }
5219
5220        let body_text = expect_text_block(&blocks[2]);
5221        assert!(
5222            body_text.contains("`HEAD` (ours)"),
5223            "prompt should mention ours branch"
5224        );
5225        assert!(
5226            body_text.contains("`feature` (theirs)"),
5227            "prompt should mention theirs branch"
5228        );
5229        assert!(
5230            body_text.contains("editing the file directly"),
5231            "prompt should instruct the agent to edit the file"
5232        );
5233
5234        let (resource_text, resource_uri) = expect_resource_block(&blocks[3]);
5235        assert!(
5236            resource_text.contains("<<<<<<< HEAD"),
5237            "resource should contain the conflict text"
5238        );
5239        assert!(
5240            resource_uri.contains("merge-conflict"),
5241            "resource URI should use the merge-conflict scheme"
5242        );
5243        assert!(
5244            resource_uri.contains("main.rs"),
5245            "resource URI should reference the file path"
5246        );
5247    }
5248
5249    #[test]
5250    fn test_build_conflict_resolution_prompt_multiple_conflicts_same_file() {
5251        let conflicts = vec![
5252            ConflictContent {
5253                file_path: "src/lib.rs".to_string(),
5254                conflict_text: "<<<<<<< main\nfn a() {}\n=======\nfn a_v2() {}\n>>>>>>> dev"
5255                    .to_string(),
5256                ours_branch_name: "main".to_string(),
5257                theirs_branch_name: "dev".to_string(),
5258            },
5259            ConflictContent {
5260                file_path: "src/lib.rs".to_string(),
5261                conflict_text: "<<<<<<< main\nfn b() {}\n=======\nfn b_v2() {}\n>>>>>>> dev"
5262                    .to_string(),
5263                ours_branch_name: "main".to_string(),
5264                theirs_branch_name: "dev".to_string(),
5265            },
5266        ];
5267
5268        let blocks = build_conflict_resolution_prompt(&conflicts);
5269        // 1 Text instruction + 2 Resource blocks
5270        assert_eq!(blocks.len(), 3, "expected 1 text + 2 resource blocks");
5271
5272        let text = expect_text_block(&blocks[0]);
5273        assert!(
5274            text.contains("all 2 merge conflicts"),
5275            "prompt should mention the total count"
5276        );
5277        assert!(
5278            text.contains("`main` (ours)"),
5279            "prompt should mention ours branch"
5280        );
5281        assert!(
5282            text.contains("`dev` (theirs)"),
5283            "prompt should mention theirs branch"
5284        );
5285        // Single file, so "file" not "files"
5286        assert!(
5287            text.contains("file directly"),
5288            "single file should use singular 'file'"
5289        );
5290
5291        let (resource_a, _) = expect_resource_block(&blocks[1]);
5292        let (resource_b, _) = expect_resource_block(&blocks[2]);
5293        assert!(
5294            resource_a.contains("fn a()"),
5295            "first resource should contain first conflict"
5296        );
5297        assert!(
5298            resource_b.contains("fn b()"),
5299            "second resource should contain second conflict"
5300        );
5301    }
5302
5303    #[test]
5304    fn test_build_conflict_resolution_prompt_multiple_conflicts_different_files() {
5305        let conflicts = vec![
5306            ConflictContent {
5307                file_path: "src/a.rs".to_string(),
5308                conflict_text: "<<<<<<< main\nA\n=======\nB\n>>>>>>> dev".to_string(),
5309                ours_branch_name: "main".to_string(),
5310                theirs_branch_name: "dev".to_string(),
5311            },
5312            ConflictContent {
5313                file_path: "src/b.rs".to_string(),
5314                conflict_text: "<<<<<<< main\nC\n=======\nD\n>>>>>>> dev".to_string(),
5315                ours_branch_name: "main".to_string(),
5316                theirs_branch_name: "dev".to_string(),
5317            },
5318        ];
5319
5320        let blocks = build_conflict_resolution_prompt(&conflicts);
5321        // 1 Text instruction + 2 Resource blocks
5322        assert_eq!(blocks.len(), 3, "expected 1 text + 2 resource blocks");
5323
5324        let text = expect_text_block(&blocks[0]);
5325        assert!(
5326            text.contains("files directly"),
5327            "multiple files should use plural 'files'"
5328        );
5329
5330        let (_, uri_a) = expect_resource_block(&blocks[1]);
5331        let (_, uri_b) = expect_resource_block(&blocks[2]);
5332        assert!(
5333            uri_a.contains("a.rs"),
5334            "first resource URI should reference a.rs"
5335        );
5336        assert!(
5337            uri_b.contains("b.rs"),
5338            "second resource URI should reference b.rs"
5339        );
5340    }
5341
5342    #[test]
5343    fn test_build_conflicted_files_resolution_prompt_file_paths_only() {
5344        let file_paths = vec![
5345            "src/main.rs".to_string(),
5346            "src/lib.rs".to_string(),
5347            "tests/integration.rs".to_string(),
5348        ];
5349
5350        let blocks = build_conflicted_files_resolution_prompt(&file_paths);
5351        // 1 instruction Text block + (ResourceLink + newline Text) per file
5352        assert_eq!(
5353            blocks.len(),
5354            1 + (file_paths.len() * 2),
5355            "expected instruction text plus resource links and separators"
5356        );
5357
5358        let text = expect_text_block(&blocks[0]);
5359        assert!(
5360            text.contains("unresolved merge conflicts"),
5361            "prompt should describe the task"
5362        );
5363        assert!(
5364            text.contains("conflict markers"),
5365            "prompt should mention conflict markers"
5366        );
5367
5368        for (index, path) in file_paths.iter().enumerate() {
5369            let link_index = 1 + (index * 2);
5370            let newline_index = link_index + 1;
5371
5372            match &blocks[link_index] {
5373                acp::ContentBlock::ResourceLink(link) => {
5374                    assert!(
5375                        link.uri.contains("file://"),
5376                        "resource link URI should use file scheme"
5377                    );
5378                    assert!(
5379                        link.uri.contains(path),
5380                        "resource link URI should reference file path: {path}"
5381                    );
5382                }
5383                other => panic!(
5384                    "expected ResourceLink block at index {}, got {:?}",
5385                    link_index, other
5386                ),
5387            }
5388
5389            let separator = expect_text_block(&blocks[newline_index]);
5390            assert_eq!(
5391                separator, "\n",
5392                "expected newline separator after each file"
5393            );
5394        }
5395    }
5396
5397    #[test]
5398    fn test_build_conflict_resolution_prompt_empty_conflicts() {
5399        let blocks = build_conflict_resolution_prompt(&[]);
5400        assert!(
5401            blocks.is_empty(),
5402            "empty conflicts should produce no blocks, got {} blocks",
5403            blocks.len()
5404        );
5405    }
5406
5407    #[test]
5408    fn test_build_conflicted_files_resolution_prompt_empty_paths() {
5409        let blocks = build_conflicted_files_resolution_prompt(&[]);
5410        assert!(
5411            blocks.is_empty(),
5412            "empty paths should produce no blocks, got {} blocks",
5413            blocks.len()
5414        );
5415    }
5416
5417    #[test]
5418    fn test_conflict_resource_block_structure() {
5419        let conflict = ConflictContent {
5420            file_path: "src/utils.rs".to_string(),
5421            conflict_text: "<<<<<<< HEAD\nold code\n=======\nnew code\n>>>>>>> branch".to_string(),
5422            ours_branch_name: "HEAD".to_string(),
5423            theirs_branch_name: "branch".to_string(),
5424        };
5425
5426        let block = conflict_resource_block(&conflict);
5427        let (text, uri) = expect_resource_block(&block);
5428
5429        assert_eq!(
5430            text, conflict.conflict_text,
5431            "resource text should be the raw conflict"
5432        );
5433        assert!(
5434            uri.starts_with("zed:///agent/merge-conflict"),
5435            "URI should use the zed merge-conflict scheme, got: {uri}"
5436        );
5437        assert!(uri.contains("utils.rs"), "URI should encode the file path");
5438    }
5439
5440    fn open_generating_thread_with_loadable_connection(
5441        panel: &Entity<AgentPanel>,
5442        connection: &StubAgentConnection,
5443        cx: &mut VisualTestContext,
5444    ) -> acp::SessionId {
5445        open_thread_with_custom_connection(panel, connection.clone(), cx);
5446        let session_id = active_session_id(panel, cx);
5447        send_message(panel, cx);
5448        cx.update(|_, cx| {
5449            connection.send_update(
5450                session_id.clone(),
5451                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("done".into())),
5452                cx,
5453            );
5454        });
5455        cx.run_until_parked();
5456        session_id
5457    }
5458
5459    fn open_idle_thread_with_non_loadable_connection(
5460        panel: &Entity<AgentPanel>,
5461        connection: &StubAgentConnection,
5462        cx: &mut VisualTestContext,
5463    ) -> acp::SessionId {
5464        open_thread_with_custom_connection(panel, connection.clone(), cx);
5465        let session_id = active_session_id(panel, cx);
5466
5467        connection.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5468            acp::ContentChunk::new("done".into()),
5469        )]);
5470        send_message(panel, cx);
5471
5472        session_id
5473    }
5474
5475    async fn setup_panel(cx: &mut TestAppContext) -> (Entity<AgentPanel>, VisualTestContext) {
5476        init_test(cx);
5477        cx.update(|cx| {
5478            cx.update_flags(true, vec!["agent-v2".to_string()]);
5479            agent::ThreadStore::init_global(cx);
5480            language_model::LanguageModelRegistry::test(cx);
5481        });
5482
5483        let fs = FakeFs::new(cx.executor());
5484        let project = Project::test(fs.clone(), [], cx).await;
5485
5486        let multi_workspace =
5487            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
5488
5489        let workspace = multi_workspace
5490            .read_with(cx, |mw, _cx| mw.workspace().clone())
5491            .unwrap();
5492
5493        let mut cx = VisualTestContext::from_window(multi_workspace.into(), cx);
5494
5495        let panel = workspace.update_in(&mut cx, |workspace, window, cx| {
5496            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
5497            cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx))
5498        });
5499
5500        (panel, cx)
5501    }
5502
5503    #[gpui::test]
5504    async fn test_running_thread_retained_when_navigating_away(cx: &mut TestAppContext) {
5505        let (panel, mut cx) = setup_panel(cx).await;
5506
5507        let connection_a = StubAgentConnection::new();
5508        open_thread_with_connection(&panel, connection_a.clone(), &mut cx);
5509        send_message(&panel, &mut cx);
5510
5511        let session_id_a = active_session_id(&panel, &cx);
5512
5513        // Send a chunk to keep thread A generating (don't end the turn).
5514        cx.update(|_, cx| {
5515            connection_a.send_update(
5516                session_id_a.clone(),
5517                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("chunk".into())),
5518                cx,
5519            );
5520        });
5521        cx.run_until_parked();
5522
5523        // Verify thread A is generating.
5524        panel.read_with(&cx, |panel, cx| {
5525            let thread = panel.active_agent_thread(cx).unwrap();
5526            assert_eq!(thread.read(cx).status(), ThreadStatus::Generating);
5527            assert!(panel.background_threads.is_empty());
5528        });
5529
5530        // Open a new thread B — thread A should be retained in background.
5531        let connection_b = StubAgentConnection::new();
5532        open_thread_with_connection(&panel, connection_b, &mut cx);
5533
5534        panel.read_with(&cx, |panel, _cx| {
5535            assert_eq!(
5536                panel.background_threads.len(),
5537                1,
5538                "Running thread A should be retained in background_views"
5539            );
5540            assert!(
5541                panel.background_threads.contains_key(&session_id_a),
5542                "Background view should be keyed by thread A's session ID"
5543            );
5544        });
5545    }
5546
5547    #[gpui::test]
5548    async fn test_idle_non_loadable_thread_retained_when_navigating_away(cx: &mut TestAppContext) {
5549        let (panel, mut cx) = setup_panel(cx).await;
5550
5551        let connection_a = StubAgentConnection::new();
5552        connection_a.set_next_prompt_updates(vec![acp::SessionUpdate::AgentMessageChunk(
5553            acp::ContentChunk::new("Response".into()),
5554        )]);
5555        open_thread_with_connection(&panel, connection_a, &mut cx);
5556        send_message(&panel, &mut cx);
5557
5558        let weak_view_a = panel.read_with(&cx, |panel, _cx| {
5559            panel.active_conversation_view().unwrap().downgrade()
5560        });
5561        let session_id_a = active_session_id(&panel, &cx);
5562
5563        // Thread A should be idle (auto-completed via set_next_prompt_updates).
5564        panel.read_with(&cx, |panel, cx| {
5565            let thread = panel.active_agent_thread(cx).unwrap();
5566            assert_eq!(thread.read(cx).status(), ThreadStatus::Idle);
5567        });
5568
5569        // Open a new thread B — thread A should be retained because it is not loadable.
5570        let connection_b = StubAgentConnection::new();
5571        open_thread_with_connection(&panel, connection_b, &mut cx);
5572
5573        panel.read_with(&cx, |panel, _cx| {
5574            assert_eq!(
5575                panel.background_threads.len(),
5576                1,
5577                "Idle non-loadable thread A should be retained in background_views"
5578            );
5579            assert!(
5580                panel.background_threads.contains_key(&session_id_a),
5581                "Background view should be keyed by thread A's session ID"
5582            );
5583        });
5584
5585        assert!(
5586            weak_view_a.upgrade().is_some(),
5587            "Idle non-loadable ConnectionView should still be retained"
5588        );
5589    }
5590
5591    #[gpui::test]
5592    async fn test_background_thread_promoted_via_load(cx: &mut TestAppContext) {
5593        let (panel, mut cx) = setup_panel(cx).await;
5594
5595        let connection_a = StubAgentConnection::new();
5596        open_thread_with_connection(&panel, connection_a.clone(), &mut cx);
5597        send_message(&panel, &mut cx);
5598
5599        let session_id_a = active_session_id(&panel, &cx);
5600
5601        // Keep thread A generating.
5602        cx.update(|_, cx| {
5603            connection_a.send_update(
5604                session_id_a.clone(),
5605                acp::SessionUpdate::AgentMessageChunk(acp::ContentChunk::new("chunk".into())),
5606                cx,
5607            );
5608        });
5609        cx.run_until_parked();
5610
5611        // Open thread B — thread A goes to background.
5612        let connection_b = StubAgentConnection::new();
5613        open_thread_with_connection(&panel, connection_b, &mut cx);
5614
5615        let session_id_b = active_session_id(&panel, &cx);
5616
5617        panel.read_with(&cx, |panel, _cx| {
5618            assert_eq!(panel.background_threads.len(), 1);
5619            assert!(panel.background_threads.contains_key(&session_id_a));
5620        });
5621
5622        // Load thread A back via load_agent_thread — should promote from background.
5623        panel.update_in(&mut cx, |panel, window, cx| {
5624            panel.load_agent_thread(
5625                panel.selected_agent().expect("selected agent must be set"),
5626                session_id_a.clone(),
5627                None,
5628                None,
5629                true,
5630                window,
5631                cx,
5632            );
5633        });
5634
5635        // Thread A should now be the active view, promoted from background.
5636        let active_session = active_session_id(&panel, &cx);
5637        assert_eq!(
5638            active_session, session_id_a,
5639            "Thread A should be the active thread after promotion"
5640        );
5641
5642        panel.read_with(&cx, |panel, _cx| {
5643            assert!(
5644                !panel.background_threads.contains_key(&session_id_a),
5645                "Promoted thread A should no longer be in background_views"
5646            );
5647            assert!(
5648                panel.background_threads.contains_key(&session_id_b),
5649                "Thread B (idle, non-loadable) should remain retained in background_views"
5650            );
5651        });
5652    }
5653
5654    #[gpui::test]
5655    async fn test_cleanup_background_threads_keeps_five_most_recent_idle_loadable_threads(
5656        cx: &mut TestAppContext,
5657    ) {
5658        let (panel, mut cx) = setup_panel(cx).await;
5659        let connection = StubAgentConnection::new()
5660            .with_supports_load_session(true)
5661            .with_agent_id("loadable-stub".into())
5662            .with_telemetry_id("loadable-stub".into());
5663        let mut session_ids = Vec::new();
5664
5665        for _ in 0..7 {
5666            session_ids.push(open_generating_thread_with_loadable_connection(
5667                &panel,
5668                &connection,
5669                &mut cx,
5670            ));
5671        }
5672
5673        let base_time = Instant::now();
5674
5675        for session_id in session_ids.iter().take(6) {
5676            connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5677        }
5678        cx.run_until_parked();
5679
5680        panel.update(&mut cx, |panel, cx| {
5681            for (index, session_id) in session_ids.iter().take(6).enumerate() {
5682                let conversation_view = panel
5683                    .background_threads
5684                    .get(session_id)
5685                    .expect("background thread should exist")
5686                    .clone();
5687                conversation_view.update(cx, |view, cx| {
5688                    view.set_updated_at(base_time + Duration::from_secs(index as u64), cx);
5689                });
5690            }
5691            panel.cleanup_background_threads(cx);
5692        });
5693
5694        panel.read_with(&cx, |panel, _cx| {
5695            assert_eq!(
5696                panel.background_threads.len(),
5697                5,
5698                "cleanup should keep at most five idle loadable background threads"
5699            );
5700            assert!(
5701                !panel.background_threads.contains_key(&session_ids[0]),
5702                "oldest idle loadable background thread should be removed"
5703            );
5704            for session_id in &session_ids[1..6] {
5705                assert!(
5706                    panel.background_threads.contains_key(session_id),
5707                    "more recent idle loadable background threads should be retained"
5708                );
5709            }
5710            assert!(
5711                !panel.background_threads.contains_key(&session_ids[6]),
5712                "the active thread should not also be stored as a background thread"
5713            );
5714        });
5715    }
5716
5717    #[gpui::test]
5718    async fn test_cleanup_background_threads_preserves_idle_non_loadable_threads(
5719        cx: &mut TestAppContext,
5720    ) {
5721        let (panel, mut cx) = setup_panel(cx).await;
5722
5723        let non_loadable_connection = StubAgentConnection::new();
5724        let non_loadable_session_id = open_idle_thread_with_non_loadable_connection(
5725            &panel,
5726            &non_loadable_connection,
5727            &mut cx,
5728        );
5729
5730        let loadable_connection = StubAgentConnection::new()
5731            .with_supports_load_session(true)
5732            .with_agent_id("loadable-stub".into())
5733            .with_telemetry_id("loadable-stub".into());
5734        let mut loadable_session_ids = Vec::new();
5735
5736        for _ in 0..7 {
5737            loadable_session_ids.push(open_generating_thread_with_loadable_connection(
5738                &panel,
5739                &loadable_connection,
5740                &mut cx,
5741            ));
5742        }
5743
5744        let base_time = Instant::now();
5745
5746        for session_id in loadable_session_ids.iter().take(6) {
5747            loadable_connection.end_turn(session_id.clone(), acp::StopReason::EndTurn);
5748        }
5749        cx.run_until_parked();
5750
5751        panel.update(&mut cx, |panel, cx| {
5752            for (index, session_id) in loadable_session_ids.iter().take(6).enumerate() {
5753                let conversation_view = panel
5754                    .background_threads
5755                    .get(session_id)
5756                    .expect("background thread should exist")
5757                    .clone();
5758                conversation_view.update(cx, |view, cx| {
5759                    view.set_updated_at(base_time + Duration::from_secs(index as u64), cx);
5760                });
5761            }
5762            panel.cleanup_background_threads(cx);
5763        });
5764
5765        panel.read_with(&cx, |panel, _cx| {
5766            assert_eq!(
5767                panel.background_threads.len(),
5768                6,
5769                "cleanup should keep the non-loadable idle thread in addition to five loadable ones"
5770            );
5771            assert!(
5772                panel
5773                    .background_threads
5774                    .contains_key(&non_loadable_session_id),
5775                "idle non-loadable background threads should not be cleanup candidates"
5776            );
5777            assert!(
5778                !panel
5779                    .background_threads
5780                    .contains_key(&loadable_session_ids[0]),
5781                "oldest idle loadable background thread should still be removed"
5782            );
5783            for session_id in &loadable_session_ids[1..6] {
5784                assert!(
5785                    panel.background_threads.contains_key(session_id),
5786                    "more recent idle loadable background threads should be retained"
5787                );
5788            }
5789            assert!(
5790                !panel
5791                    .background_threads
5792                    .contains_key(&loadable_session_ids[6]),
5793                "the active loadable thread should not also be stored as a background thread"
5794            );
5795        });
5796    }
5797
5798    #[gpui::test]
5799    async fn test_thread_target_local_project(cx: &mut TestAppContext) {
5800        init_test(cx);
5801        cx.update(|cx| {
5802            cx.update_flags(true, vec!["agent-v2".to_string()]);
5803            agent::ThreadStore::init_global(cx);
5804            language_model::LanguageModelRegistry::test(cx);
5805        });
5806
5807        let fs = FakeFs::new(cx.executor());
5808        fs.insert_tree(
5809            "/project",
5810            json!({
5811                ".git": {},
5812                "src": {
5813                    "main.rs": "fn main() {}"
5814                }
5815            }),
5816        )
5817        .await;
5818        fs.set_branch_name(Path::new("/project/.git"), Some("main"));
5819
5820        let project = Project::test(fs.clone(), [Path::new("/project")], cx).await;
5821
5822        let multi_workspace =
5823            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
5824
5825        let workspace = multi_workspace
5826            .read_with(cx, |multi_workspace, _cx| {
5827                multi_workspace.workspace().clone()
5828            })
5829            .unwrap();
5830
5831        workspace.update(cx, |workspace, _cx| {
5832            workspace.set_random_database_id();
5833        });
5834
5835        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
5836
5837        // Wait for the project to discover the git repository.
5838        cx.run_until_parked();
5839
5840        let panel = workspace.update_in(cx, |workspace, window, cx| {
5841            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
5842            let panel =
5843                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
5844            workspace.add_panel(panel.clone(), window, cx);
5845            panel
5846        });
5847
5848        cx.run_until_parked();
5849
5850        // Default thread target should be LocalProject.
5851        panel.read_with(cx, |panel, _cx| {
5852            assert_eq!(
5853                *panel.start_thread_in(),
5854                StartThreadIn::LocalProject,
5855                "default thread target should be LocalProject"
5856            );
5857        });
5858
5859        // Start a new thread with the default LocalProject target.
5860        // Use StubAgentServer so the thread connects immediately in tests.
5861        panel.update_in(cx, |panel, window, cx| {
5862            panel.open_external_thread_with_server(
5863                Rc::new(StubAgentServer::default_response()),
5864                window,
5865                cx,
5866            );
5867        });
5868
5869        cx.run_until_parked();
5870
5871        // MultiWorkspace should still have exactly one workspace (no worktree created).
5872        multi_workspace
5873            .read_with(cx, |multi_workspace, _cx| {
5874                assert_eq!(
5875                    multi_workspace.workspaces().len(),
5876                    1,
5877                    "LocalProject should not create a new workspace"
5878                );
5879            })
5880            .unwrap();
5881
5882        // The thread should be active in the panel.
5883        panel.read_with(cx, |panel, cx| {
5884            assert!(
5885                panel.active_agent_thread(cx).is_some(),
5886                "a thread should be running in the current workspace"
5887            );
5888        });
5889
5890        // The thread target should still be LocalProject (unchanged).
5891        panel.read_with(cx, |panel, _cx| {
5892            assert_eq!(
5893                *panel.start_thread_in(),
5894                StartThreadIn::LocalProject,
5895                "thread target should remain LocalProject"
5896            );
5897        });
5898
5899        // No worktree creation status should be set.
5900        panel.read_with(cx, |panel, _cx| {
5901            assert!(
5902                panel.worktree_creation_status.is_none(),
5903                "no worktree creation should have occurred"
5904            );
5905        });
5906    }
5907
5908    #[gpui::test]
5909    async fn test_thread_target_serialization_round_trip(cx: &mut TestAppContext) {
5910        init_test(cx);
5911        cx.update(|cx| {
5912            cx.update_flags(true, vec!["agent-v2".to_string()]);
5913            agent::ThreadStore::init_global(cx);
5914            language_model::LanguageModelRegistry::test(cx);
5915        });
5916
5917        let fs = FakeFs::new(cx.executor());
5918        fs.insert_tree(
5919            "/project",
5920            json!({
5921                ".git": {},
5922                "src": {
5923                    "main.rs": "fn main() {}"
5924                }
5925            }),
5926        )
5927        .await;
5928        fs.set_branch_name(Path::new("/project/.git"), Some("main"));
5929
5930        let project = Project::test(fs.clone(), [Path::new("/project")], cx).await;
5931
5932        let multi_workspace =
5933            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
5934
5935        let workspace = multi_workspace
5936            .read_with(cx, |multi_workspace, _cx| {
5937                multi_workspace.workspace().clone()
5938            })
5939            .unwrap();
5940
5941        workspace.update(cx, |workspace, _cx| {
5942            workspace.set_random_database_id();
5943        });
5944
5945        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
5946
5947        // Wait for the project to discover the git repository.
5948        cx.run_until_parked();
5949
5950        let panel = workspace.update_in(cx, |workspace, window, cx| {
5951            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
5952            let panel =
5953                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
5954            workspace.add_panel(panel.clone(), window, cx);
5955            panel
5956        });
5957
5958        cx.run_until_parked();
5959
5960        // Default should be LocalProject.
5961        panel.read_with(cx, |panel, _cx| {
5962            assert_eq!(*panel.start_thread_in(), StartThreadIn::LocalProject);
5963        });
5964
5965        // Change thread target to NewWorktree.
5966        panel.update_in(cx, |panel, window, cx| {
5967            panel.set_start_thread_in(&StartThreadIn::NewWorktree, window, cx);
5968        });
5969
5970        panel.read_with(cx, |panel, _cx| {
5971            assert_eq!(
5972                *panel.start_thread_in(),
5973                StartThreadIn::NewWorktree,
5974                "thread target should be NewWorktree after set_thread_target"
5975            );
5976        });
5977
5978        // Let serialization complete.
5979        cx.run_until_parked();
5980
5981        // Load a fresh panel from the serialized data.
5982        let prompt_builder = Arc::new(prompt_store::PromptBuilder::new(None).unwrap());
5983        let async_cx = cx.update(|window, cx| window.to_async(cx));
5984        let loaded_panel =
5985            AgentPanel::load(workspace.downgrade(), prompt_builder.clone(), async_cx)
5986                .await
5987                .expect("panel load should succeed");
5988        cx.run_until_parked();
5989
5990        loaded_panel.read_with(cx, |panel, _cx| {
5991            assert_eq!(
5992                *panel.start_thread_in(),
5993                StartThreadIn::NewWorktree,
5994                "thread target should survive serialization round-trip"
5995            );
5996        });
5997    }
5998
5999    #[gpui::test]
6000    async fn test_set_active_blocked_during_worktree_creation(cx: &mut TestAppContext) {
6001        init_test(cx);
6002
6003        let fs = FakeFs::new(cx.executor());
6004        cx.update(|cx| {
6005            cx.update_flags(true, vec!["agent-v2".to_string()]);
6006            agent::ThreadStore::init_global(cx);
6007            language_model::LanguageModelRegistry::test(cx);
6008            <dyn fs::Fs>::set_global(fs.clone(), cx);
6009        });
6010
6011        fs.insert_tree(
6012            "/project",
6013            json!({
6014                ".git": {},
6015                "src": {
6016                    "main.rs": "fn main() {}"
6017                }
6018            }),
6019        )
6020        .await;
6021
6022        let project = Project::test(fs.clone(), [Path::new("/project")], cx).await;
6023
6024        let multi_workspace =
6025            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
6026
6027        let workspace = multi_workspace
6028            .read_with(cx, |multi_workspace, _cx| {
6029                multi_workspace.workspace().clone()
6030            })
6031            .unwrap();
6032
6033        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
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        // Simulate worktree creation in progress and reset to Uninitialized
6046        panel.update_in(cx, |panel, window, cx| {
6047            panel.worktree_creation_status = Some(WorktreeCreationStatus::Creating);
6048            panel.active_view = ActiveView::Uninitialized;
6049            Panel::set_active(panel, true, window, cx);
6050            assert!(
6051                matches!(panel.active_view, ActiveView::Uninitialized),
6052                "set_active should not create a thread while worktree is being created"
6053            );
6054        });
6055
6056        // Clear the creation status and use open_external_thread_with_server
6057        // (which bypasses new_agent_thread) to verify the panel can transition
6058        // out of Uninitialized. We can't call set_active directly because
6059        // new_agent_thread requires full agent server infrastructure.
6060        panel.update_in(cx, |panel, window, cx| {
6061            panel.worktree_creation_status = None;
6062            panel.active_view = ActiveView::Uninitialized;
6063            panel.open_external_thread_with_server(
6064                Rc::new(StubAgentServer::default_response()),
6065                window,
6066                cx,
6067            );
6068        });
6069
6070        cx.run_until_parked();
6071
6072        panel.read_with(cx, |panel, _cx| {
6073            assert!(
6074                !matches!(panel.active_view, ActiveView::Uninitialized),
6075                "panel should transition out of Uninitialized once worktree creation is cleared"
6076            );
6077        });
6078    }
6079
6080    #[test]
6081    fn test_deserialize_agent_type_variants() {
6082        assert_eq!(
6083            serde_json::from_str::<AgentType>(r#""NativeAgent""#).unwrap(),
6084            AgentType::NativeAgent,
6085        );
6086        assert_eq!(
6087            serde_json::from_str::<AgentType>(r#""TextThread""#).unwrap(),
6088            AgentType::TextThread,
6089        );
6090        assert_eq!(
6091            serde_json::from_str::<AgentType>(r#"{"Custom":{"name":"my-agent"}}"#).unwrap(),
6092            AgentType::Custom {
6093                id: "my-agent".into(),
6094            },
6095        );
6096    }
6097
6098    #[gpui::test]
6099    async fn test_worktree_creation_preserves_selected_agent(cx: &mut TestAppContext) {
6100        init_test(cx);
6101
6102        let app_state = cx.update(|cx| {
6103            cx.update_flags(true, vec!["agent-v2".to_string()]);
6104            agent::ThreadStore::init_global(cx);
6105            language_model::LanguageModelRegistry::test(cx);
6106
6107            let app_state = workspace::AppState::test(cx);
6108            workspace::init(app_state.clone(), cx);
6109            app_state
6110        });
6111
6112        let fs = app_state.fs.as_fake();
6113        fs.insert_tree(
6114            "/project",
6115            json!({
6116                ".git": {},
6117                "src": {
6118                    "main.rs": "fn main() {}"
6119                }
6120            }),
6121        )
6122        .await;
6123        fs.set_branch_name(Path::new("/project/.git"), Some("main"));
6124
6125        let project = Project::test(app_state.fs.clone(), [Path::new("/project")], cx).await;
6126
6127        let multi_workspace =
6128            cx.add_window(|window, cx| MultiWorkspace::test_new(project.clone(), window, cx));
6129
6130        let workspace = multi_workspace
6131            .read_with(cx, |multi_workspace, _cx| {
6132                multi_workspace.workspace().clone()
6133            })
6134            .unwrap();
6135
6136        workspace.update(cx, |workspace, _cx| {
6137            workspace.set_random_database_id();
6138        });
6139
6140        // Register a callback so new workspaces also get an AgentPanel.
6141        cx.update(|cx| {
6142            cx.observe_new(
6143                |workspace: &mut Workspace,
6144                 window: Option<&mut Window>,
6145                 cx: &mut Context<Workspace>| {
6146                    if let Some(window) = window {
6147                        let project = workspace.project().clone();
6148                        let text_thread_store =
6149                            cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
6150                        let panel = cx.new(|cx| {
6151                            AgentPanel::new(workspace, text_thread_store, None, window, cx)
6152                        });
6153                        workspace.add_panel(panel, window, cx);
6154                    }
6155                },
6156            )
6157            .detach();
6158        });
6159
6160        let cx = &mut VisualTestContext::from_window(multi_workspace.into(), cx);
6161
6162        // Wait for the project to discover the git repository.
6163        cx.run_until_parked();
6164
6165        let panel = workspace.update_in(cx, |workspace, window, cx| {
6166            let text_thread_store = cx.new(|cx| TextThreadStore::fake(project.clone(), cx));
6167            let panel =
6168                cx.new(|cx| AgentPanel::new(workspace, text_thread_store, None, window, cx));
6169            workspace.add_panel(panel.clone(), window, cx);
6170            panel
6171        });
6172
6173        cx.run_until_parked();
6174
6175        // Open a thread (needed so there's an active thread view).
6176        panel.update_in(cx, |panel, window, cx| {
6177            panel.open_external_thread_with_server(
6178                Rc::new(StubAgentServer::default_response()),
6179                window,
6180                cx,
6181            );
6182        });
6183
6184        cx.run_until_parked();
6185
6186        // Set the selected agent to Codex (a custom agent) and start_thread_in
6187        // to NewWorktree. We do this AFTER opening the thread because
6188        // open_external_thread_with_server overrides selected_agent_type.
6189        panel.update_in(cx, |panel, window, cx| {
6190            panel.selected_agent_type = AgentType::Custom {
6191                id: CODEX_ID.into(),
6192            };
6193            panel.set_start_thread_in(&StartThreadIn::NewWorktree, window, cx);
6194        });
6195
6196        // Verify the panel has the Codex agent selected.
6197        panel.read_with(cx, |panel, _cx| {
6198            assert_eq!(
6199                panel.selected_agent_type,
6200                AgentType::Custom {
6201                    id: CODEX_ID.into()
6202                },
6203            );
6204        });
6205
6206        // Directly call handle_worktree_creation_requested, which is what
6207        // handle_first_send_requested does when start_thread_in == NewWorktree.
6208        let content = vec![acp::ContentBlock::Text(acp::TextContent::new(
6209            "Hello from test",
6210        ))];
6211        panel.update_in(cx, |panel, window, cx| {
6212            panel.handle_worktree_creation_requested(content, window, cx);
6213        });
6214
6215        // Let the async worktree creation + workspace setup complete.
6216        cx.run_until_parked();
6217
6218        // Find the new workspace's AgentPanel and verify it used the Codex agent.
6219        let found_codex = multi_workspace
6220            .read_with(cx, |multi_workspace, cx| {
6221                // There should be more than one workspace now (the original + the new worktree).
6222                assert!(
6223                    multi_workspace.workspaces().len() > 1,
6224                    "expected a new workspace to have been created, found {}",
6225                    multi_workspace.workspaces().len(),
6226                );
6227
6228                // Check the newest workspace's panel for the correct agent.
6229                let new_workspace = multi_workspace
6230                    .workspaces()
6231                    .iter()
6232                    .find(|ws| ws.entity_id() != workspace.entity_id())
6233                    .expect("should find the new workspace");
6234                let new_panel = new_workspace
6235                    .read(cx)
6236                    .panel::<AgentPanel>(cx)
6237                    .expect("new workspace should have an AgentPanel");
6238
6239                new_panel.read(cx).selected_agent_type.clone()
6240            })
6241            .unwrap();
6242
6243        assert_eq!(
6244            found_codex,
6245            AgentType::Custom {
6246                id: CODEX_ID.into()
6247            },
6248            "the new worktree workspace should use the same agent (Codex) that was selected in the original panel",
6249        );
6250    }
6251
6252    /// Regression test: NewThread must produce a connected thread even when
6253    /// the PromptStore fails to initialize (e.g. LMDB permission error).
6254    /// Before the fix, `NativeAgentServer::connect` propagated the
6255    /// PromptStore error with `?`, which put every new ConversationView
6256    /// into LoadError and made it impossible to start any native-agent
6257    /// thread.
6258    #[gpui::test]
6259    async fn test_new_thread_with_prompt_store_error(cx: &mut TestAppContext) {
6260        let (panel, mut cx) = setup_panel(cx).await;
6261
6262        // NativeAgentServer::connect needs a global Fs.
6263        let fs = FakeFs::new(cx.executor());
6264        cx.update(|_, cx| {
6265            <dyn fs::Fs>::set_global(fs.clone(), cx);
6266        });
6267        cx.run_until_parked();
6268
6269        // Dispatch NewThread, which goes through the real NativeAgentServer
6270        // path. In tests the PromptStore LMDB open fails with
6271        // "Permission denied"; the fix (.log_err() instead of ?) lets
6272        // the connection succeed anyway.
6273        panel.update_in(&mut cx, |panel, window, cx| {
6274            panel.new_thread(&NewThread, window, cx);
6275        });
6276        cx.run_until_parked();
6277
6278        panel.read_with(&cx, |panel, cx| {
6279            assert!(
6280                panel.active_conversation_view().is_some(),
6281                "panel should have a conversation view after NewThread"
6282            );
6283            assert!(
6284                panel.active_agent_thread(cx).is_some(),
6285                "panel should have an active, connected agent thread"
6286            );
6287        });
6288    }
6289}