agent_panel.rs

   1use std::ops::Range;
   2use std::path::Path;
   3use std::rc::Rc;
   4use std::sync::Arc;
   5
   6use acp_thread::AcpThread;
   7use agent2::{DbThreadMetadata, HistoryEntry};
   8use db::kvp::{Dismissable, KEY_VALUE_STORE};
   9use project::agent_server_store::{
  10    AgentServerCommand, AllAgentServersSettings, CLAUDE_CODE_NAME, CODEX_NAME, GEMINI_NAME,
  11};
  12use serde::{Deserialize, Serialize};
  13use settings::{
  14    DefaultAgentView as DefaultView, LanguageModelProviderSetting, LanguageModelSelection,
  15};
  16use zed_actions::OpenBrowser;
  17use zed_actions::agent::{OpenClaudeCodeOnboardingModal, ReauthenticateAgent};
  18
  19use crate::acp::{AcpThreadHistory, ThreadHistoryEvent};
  20use crate::ui::{AcpOnboardingModal, ClaudeCodeOnboardingModal};
  21use crate::{
  22    AddContextServer, DeleteRecentlyOpenThread, Follow, InlineAssistant, NewTextThread, NewThread,
  23    OpenActiveThreadAsMarkdown, OpenHistory, ResetTrialEndUpsell, ResetTrialUpsell,
  24    ToggleNavigationMenu, ToggleNewThreadMenu, ToggleOptionsMenu,
  25    acp::AcpThreadView,
  26    agent_configuration::{AgentConfiguration, AssistantConfigurationEvent},
  27    slash_command::SlashCommandCompletionProvider,
  28    text_thread_editor::{AgentPanelDelegate, TextThreadEditor, make_lsp_adapter_delegate},
  29    ui::{AgentOnboardingModal, EndTrialUpsell},
  30};
  31use crate::{
  32    ExternalAgent, NewExternalAgentThread, NewNativeAgentThreadFromSummary, placeholder_command,
  33};
  34use agent::{
  35    context_store::ContextStore,
  36    history_store::{HistoryEntryId, HistoryStore},
  37    thread_store::{TextThreadStore, ThreadStore},
  38};
  39use agent_settings::AgentSettings;
  40use ai_onboarding::AgentPanelOnboarding;
  41use anyhow::{Result, anyhow};
  42use assistant_context::{AssistantContext, ContextEvent, ContextSummary};
  43use assistant_slash_command::SlashCommandWorkingSet;
  44use assistant_tool::ToolWorkingSet;
  45use client::{UserStore, zed_urls};
  46use cloud_llm_client::{Plan, PlanV1, PlanV2, UsageLimit};
  47use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
  48use fs::Fs;
  49use gpui::{
  50    Action, AnyElement, App, AsyncWindowContext, Corner, DismissEvent, Entity, EventEmitter,
  51    ExternalPaths, FocusHandle, Focusable, KeyContext, Pixels, Subscription, Task, UpdateGlobal,
  52    WeakEntity, prelude::*,
  53};
  54use language::LanguageRegistry;
  55use language_model::{ConfigurationError, LanguageModelRegistry};
  56use project::{Project, ProjectPath, Worktree};
  57use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
  58use rules_library::{RulesLibrary, open_rules_library};
  59use search::{BufferSearchBar, buffer_search};
  60use settings::{Settings, SettingsStore, update_settings_file};
  61use theme::ThemeSettings;
  62use ui::utils::WithRemSize;
  63use ui::{
  64    Callout, ContextMenu, ContextMenuEntry, KeyBinding, PopoverMenu, PopoverMenuHandle,
  65    ProgressBar, Tab, Tooltip, prelude::*,
  66};
  67use util::ResultExt as _;
  68use workspace::{
  69    CollaboratorId, DraggedSelection, DraggedTab, ToggleZoom, ToolbarItemView, Workspace,
  70    dock::{DockPosition, Panel, PanelEvent},
  71};
  72use zed_actions::{
  73    DecreaseBufferFontSize, IncreaseBufferFontSize, ResetBufferFontSize,
  74    agent::{OpenAcpOnboardingModal, OpenOnboardingModal, OpenSettings, ResetOnboarding},
  75    assistant::{OpenRulesLibrary, ToggleFocus},
  76};
  77
  78const AGENT_PANEL_KEY: &str = "agent_panel";
  79
  80#[derive(Serialize, Deserialize, Debug)]
  81struct SerializedAgentPanel {
  82    width: Option<Pixels>,
  83    selected_agent: Option<AgentType>,
  84}
  85
  86pub fn init(cx: &mut App) {
  87    cx.observe_new(
  88        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  89            workspace
  90                .register_action(|workspace, action: &NewThread, window, cx| {
  91                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
  92                        panel.update(cx, |panel, cx| panel.new_thread(action, window, cx));
  93                        workspace.focus_panel::<AgentPanel>(window, cx);
  94                    }
  95                })
  96                .register_action(
  97                    |workspace, action: &NewNativeAgentThreadFromSummary, window, cx| {
  98                        if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
  99                            panel.update(cx, |panel, cx| {
 100                                panel.new_native_agent_thread_from_summary(action, window, cx)
 101                            });
 102                            workspace.focus_panel::<AgentPanel>(window, cx);
 103                        }
 104                    },
 105                )
 106                .register_action(|workspace, _: &OpenHistory, window, cx| {
 107                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 108                        workspace.focus_panel::<AgentPanel>(window, cx);
 109                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
 110                    }
 111                })
 112                .register_action(|workspace, _: &OpenSettings, window, cx| {
 113                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 114                        workspace.focus_panel::<AgentPanel>(window, cx);
 115                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
 116                    }
 117                })
 118                .register_action(|workspace, _: &NewTextThread, window, cx| {
 119                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 120                        workspace.focus_panel::<AgentPanel>(window, cx);
 121                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
 122                    }
 123                })
 124                .register_action(|workspace, action: &NewExternalAgentThread, window, cx| {
 125                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 126                        workspace.focus_panel::<AgentPanel>(window, cx);
 127                        panel.update(cx, |panel, cx| {
 128                            panel.external_thread(action.agent.clone(), None, None, window, cx)
 129                        });
 130                    }
 131                })
 132                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
 133                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 134                        workspace.focus_panel::<AgentPanel>(window, cx);
 135                        panel.update(cx, |panel, cx| {
 136                            panel.deploy_rules_library(action, window, cx)
 137                        });
 138                    }
 139                })
 140                .register_action(|workspace, _: &Follow, window, cx| {
 141                    workspace.follow(CollaboratorId::Agent, window, cx);
 142                })
 143                .register_action(|workspace, _: &ToggleNavigationMenu, window, cx| {
 144                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 145                        workspace.focus_panel::<AgentPanel>(window, cx);
 146                        panel.update(cx, |panel, cx| {
 147                            panel.toggle_navigation_menu(&ToggleNavigationMenu, window, cx);
 148                        });
 149                    }
 150                })
 151                .register_action(|workspace, _: &ToggleOptionsMenu, window, cx| {
 152                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 153                        workspace.focus_panel::<AgentPanel>(window, cx);
 154                        panel.update(cx, |panel, cx| {
 155                            panel.toggle_options_menu(&ToggleOptionsMenu, window, cx);
 156                        });
 157                    }
 158                })
 159                .register_action(|workspace, _: &ToggleNewThreadMenu, window, cx| {
 160                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 161                        workspace.focus_panel::<AgentPanel>(window, cx);
 162                        panel.update(cx, |panel, cx| {
 163                            panel.toggle_new_thread_menu(&ToggleNewThreadMenu, window, cx);
 164                        });
 165                    }
 166                })
 167                .register_action(|workspace, _: &OpenOnboardingModal, window, cx| {
 168                    AgentOnboardingModal::toggle(workspace, window, cx)
 169                })
 170                .register_action(|workspace, _: &OpenAcpOnboardingModal, window, cx| {
 171                    AcpOnboardingModal::toggle(workspace, window, cx)
 172                })
 173                .register_action(|workspace, _: &OpenClaudeCodeOnboardingModal, window, cx| {
 174                    ClaudeCodeOnboardingModal::toggle(workspace, window, cx)
 175                })
 176                .register_action(|_workspace, _: &ResetOnboarding, window, cx| {
 177                    window.dispatch_action(workspace::RestoreBanner.boxed_clone(), cx);
 178                    window.refresh();
 179                })
 180                .register_action(|_workspace, _: &ResetTrialUpsell, _window, cx| {
 181                    OnboardingUpsell::set_dismissed(false, cx);
 182                })
 183                .register_action(|_workspace, _: &ResetTrialEndUpsell, _window, cx| {
 184                    TrialEndUpsell::set_dismissed(false, cx);
 185                });
 186        },
 187    )
 188    .detach();
 189}
 190
 191enum ActiveView {
 192    ExternalAgentThread {
 193        thread_view: Entity<AcpThreadView>,
 194    },
 195    TextThread {
 196        context_editor: Entity<TextThreadEditor>,
 197        title_editor: Entity<Editor>,
 198        buffer_search_bar: Entity<BufferSearchBar>,
 199        _subscriptions: Vec<gpui::Subscription>,
 200    },
 201    History,
 202    Configuration,
 203}
 204
 205enum WhichFontSize {
 206    AgentFont,
 207    BufferFont,
 208    None,
 209}
 210
 211// TODO unify this with ExternalAgent
 212#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
 213pub enum AgentType {
 214    #[default]
 215    Zed,
 216    TextThread,
 217    Gemini,
 218    ClaudeCode,
 219    Codex,
 220    NativeAgent,
 221    Custom {
 222        name: SharedString,
 223        command: AgentServerCommand,
 224    },
 225}
 226
 227impl AgentType {
 228    fn label(&self) -> SharedString {
 229        match self {
 230            Self::Zed | Self::TextThread => "Zed Agent".into(),
 231            Self::NativeAgent => "Agent 2".into(),
 232            Self::Gemini => "Gemini CLI".into(),
 233            Self::ClaudeCode => "Claude Code".into(),
 234            Self::Codex => "Codex".into(),
 235            Self::Custom { name, .. } => name.into(),
 236        }
 237    }
 238
 239    fn icon(&self) -> Option<IconName> {
 240        match self {
 241            Self::Zed | Self::NativeAgent | Self::TextThread => None,
 242            Self::Gemini => Some(IconName::AiGemini),
 243            Self::ClaudeCode => Some(IconName::AiClaude),
 244            Self::Codex => Some(IconName::AiOpenAi),
 245            Self::Custom { .. } => Some(IconName::Terminal),
 246        }
 247    }
 248}
 249
 250impl From<ExternalAgent> for AgentType {
 251    fn from(value: ExternalAgent) -> Self {
 252        match value {
 253            ExternalAgent::Gemini => Self::Gemini,
 254            ExternalAgent::ClaudeCode => Self::ClaudeCode,
 255            ExternalAgent::Codex => Self::Codex,
 256            ExternalAgent::Custom { name, command } => Self::Custom { name, command },
 257            ExternalAgent::NativeAgent => Self::NativeAgent,
 258        }
 259    }
 260}
 261
 262impl ActiveView {
 263    pub fn which_font_size_used(&self) -> WhichFontSize {
 264        match self {
 265            ActiveView::ExternalAgentThread { .. } | ActiveView::History => {
 266                WhichFontSize::AgentFont
 267            }
 268            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
 269            ActiveView::Configuration => WhichFontSize::None,
 270        }
 271    }
 272
 273    pub fn native_agent(
 274        fs: Arc<dyn Fs>,
 275        prompt_store: Option<Entity<PromptStore>>,
 276        acp_history_store: Entity<agent2::HistoryStore>,
 277        project: Entity<Project>,
 278        workspace: WeakEntity<Workspace>,
 279        window: &mut Window,
 280        cx: &mut App,
 281    ) -> Self {
 282        let thread_view = cx.new(|cx| {
 283            crate::acp::AcpThreadView::new(
 284                ExternalAgent::NativeAgent.server(fs, acp_history_store.clone()),
 285                None,
 286                None,
 287                workspace,
 288                project,
 289                acp_history_store,
 290                prompt_store,
 291                window,
 292                cx,
 293            )
 294        });
 295
 296        Self::ExternalAgentThread { thread_view }
 297    }
 298
 299    pub fn prompt_editor(
 300        context_editor: Entity<TextThreadEditor>,
 301        history_store: Entity<HistoryStore>,
 302        acp_history_store: Entity<agent2::HistoryStore>,
 303        language_registry: Arc<LanguageRegistry>,
 304        window: &mut Window,
 305        cx: &mut App,
 306    ) -> Self {
 307        let title = context_editor.read(cx).title(cx).to_string();
 308
 309        let editor = cx.new(|cx| {
 310            let mut editor = Editor::single_line(window, cx);
 311            editor.set_text(title, window, cx);
 312            editor
 313        });
 314
 315        // This is a workaround for `editor.set_text` emitting a `BufferEdited` event, which would
 316        // cause a custom summary to be set. The presence of this custom summary would cause
 317        // summarization to not happen.
 318        let mut suppress_first_edit = true;
 319
 320        let subscriptions = vec![
 321            window.subscribe(&editor, cx, {
 322                {
 323                    let context_editor = context_editor.clone();
 324                    move |editor, event, window, cx| match event {
 325                        EditorEvent::BufferEdited => {
 326                            if suppress_first_edit {
 327                                suppress_first_edit = false;
 328                                return;
 329                            }
 330                            let new_summary = editor.read(cx).text(cx);
 331
 332                            context_editor.update(cx, |context_editor, cx| {
 333                                context_editor
 334                                    .context()
 335                                    .update(cx, |assistant_context, cx| {
 336                                        assistant_context.set_custom_summary(new_summary, cx);
 337                                    })
 338                            })
 339                        }
 340                        EditorEvent::Blurred => {
 341                            if editor.read(cx).text(cx).is_empty() {
 342                                let summary = context_editor
 343                                    .read(cx)
 344                                    .context()
 345                                    .read(cx)
 346                                    .summary()
 347                                    .or_default();
 348
 349                                editor.update(cx, |editor, cx| {
 350                                    editor.set_text(summary, window, cx);
 351                                });
 352                            }
 353                        }
 354                        _ => {}
 355                    }
 356                }
 357            }),
 358            window.subscribe(&context_editor.read(cx).context().clone(), cx, {
 359                let editor = editor.clone();
 360                move |assistant_context, event, window, cx| match event {
 361                    ContextEvent::SummaryGenerated => {
 362                        let summary = assistant_context.read(cx).summary().or_default();
 363
 364                        editor.update(cx, |editor, cx| {
 365                            editor.set_text(summary, window, cx);
 366                        })
 367                    }
 368                    ContextEvent::PathChanged { old_path, new_path } => {
 369                        history_store.update(cx, |history_store, cx| {
 370                            if let Some(old_path) = old_path {
 371                                history_store
 372                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 373                            } else {
 374                                history_store.push_recently_opened_entry(
 375                                    HistoryEntryId::Context(new_path.clone()),
 376                                    cx,
 377                                );
 378                            }
 379                        });
 380
 381                        acp_history_store.update(cx, |history_store, cx| {
 382                            if let Some(old_path) = old_path {
 383                                history_store
 384                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 385                            } else {
 386                                history_store.push_recently_opened_entry(
 387                                    agent2::HistoryEntryId::TextThread(new_path.clone()),
 388                                    cx,
 389                                );
 390                            }
 391                        });
 392                    }
 393                    _ => {}
 394                }
 395            }),
 396        ];
 397
 398        let buffer_search_bar =
 399            cx.new(|cx| BufferSearchBar::new(Some(language_registry), window, cx));
 400        buffer_search_bar.update(cx, |buffer_search_bar, cx| {
 401            buffer_search_bar.set_active_pane_item(Some(&context_editor), window, cx)
 402        });
 403
 404        Self::TextThread {
 405            context_editor,
 406            title_editor: editor,
 407            buffer_search_bar,
 408            _subscriptions: subscriptions,
 409        }
 410    }
 411}
 412
 413pub struct AgentPanel {
 414    workspace: WeakEntity<Workspace>,
 415    loading: bool,
 416    user_store: Entity<UserStore>,
 417    project: Entity<Project>,
 418    fs: Arc<dyn Fs>,
 419    language_registry: Arc<LanguageRegistry>,
 420    thread_store: Entity<ThreadStore>,
 421    acp_history: Entity<AcpThreadHistory>,
 422    acp_history_store: Entity<agent2::HistoryStore>,
 423    context_store: Entity<TextThreadStore>,
 424    prompt_store: Option<Entity<PromptStore>>,
 425    inline_assist_context_store: Entity<ContextStore>,
 426    configuration: Option<Entity<AgentConfiguration>>,
 427    configuration_subscription: Option<Subscription>,
 428    active_view: ActiveView,
 429    previous_view: Option<ActiveView>,
 430    history_store: Entity<HistoryStore>,
 431    new_thread_menu_handle: PopoverMenuHandle<ContextMenu>,
 432    agent_panel_menu_handle: PopoverMenuHandle<ContextMenu>,
 433    assistant_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
 434    assistant_navigation_menu: Option<Entity<ContextMenu>>,
 435    width: Option<Pixels>,
 436    height: Option<Pixels>,
 437    zoomed: bool,
 438    pending_serialization: Option<Task<Result<()>>>,
 439    onboarding: Entity<AgentPanelOnboarding>,
 440    selected_agent: AgentType,
 441}
 442
 443impl AgentPanel {
 444    fn serialize(&mut self, cx: &mut Context<Self>) {
 445        let width = self.width;
 446        let selected_agent = self.selected_agent.clone();
 447        self.pending_serialization = Some(cx.background_spawn(async move {
 448            KEY_VALUE_STORE
 449                .write_kvp(
 450                    AGENT_PANEL_KEY.into(),
 451                    serde_json::to_string(&SerializedAgentPanel {
 452                        width,
 453                        selected_agent: Some(selected_agent),
 454                    })?,
 455                )
 456                .await?;
 457            anyhow::Ok(())
 458        }));
 459    }
 460
 461    pub fn load(
 462        workspace: WeakEntity<Workspace>,
 463        prompt_builder: Arc<PromptBuilder>,
 464        mut cx: AsyncWindowContext,
 465    ) -> Task<Result<Entity<Self>>> {
 466        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 467        cx.spawn(async move |cx| {
 468            let prompt_store = match prompt_store {
 469                Ok(prompt_store) => prompt_store.await.ok(),
 470                Err(_) => None,
 471            };
 472            let tools = cx.new(|_| ToolWorkingSet::default())?;
 473            let thread_store = workspace
 474                .update(cx, |workspace, cx| {
 475                    let project = workspace.project().clone();
 476                    ThreadStore::load(
 477                        project,
 478                        tools.clone(),
 479                        prompt_store.clone(),
 480                        prompt_builder.clone(),
 481                        cx,
 482                    )
 483                })?
 484                .await?;
 485
 486            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 487            let context_store = workspace
 488                .update(cx, |workspace, cx| {
 489                    let project = workspace.project().clone();
 490                    assistant_context::ContextStore::new(
 491                        project,
 492                        prompt_builder.clone(),
 493                        slash_commands,
 494                        cx,
 495                    )
 496                })?
 497                .await?;
 498
 499            let serialized_panel = if let Some(panel) = cx
 500                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(AGENT_PANEL_KEY) })
 501                .await
 502                .log_err()
 503                .flatten()
 504            {
 505                serde_json::from_str::<SerializedAgentPanel>(&panel).log_err()
 506            } else {
 507                None
 508            };
 509
 510            let panel = workspace.update_in(cx, |workspace, window, cx| {
 511                let panel = cx.new(|cx| {
 512                    Self::new(
 513                        workspace,
 514                        thread_store,
 515                        context_store,
 516                        prompt_store,
 517                        window,
 518                        cx,
 519                    )
 520                });
 521
 522                panel.as_mut(cx).loading = true;
 523                if let Some(serialized_panel) = serialized_panel {
 524                    panel.update(cx, |panel, cx| {
 525                        panel.width = serialized_panel.width.map(|w| w.round());
 526                        if let Some(selected_agent) = serialized_panel.selected_agent {
 527                            panel.selected_agent = selected_agent.clone();
 528                            panel.new_agent_thread(selected_agent, window, cx);
 529                        }
 530                        cx.notify();
 531                    });
 532                } else {
 533                    panel.update(cx, |panel, cx| {
 534                        panel.new_agent_thread(AgentType::NativeAgent, window, cx);
 535                    });
 536                }
 537                panel.as_mut(cx).loading = false;
 538                panel
 539            })?;
 540
 541            Ok(panel)
 542        })
 543    }
 544
 545    fn new(
 546        workspace: &Workspace,
 547        thread_store: Entity<ThreadStore>,
 548        context_store: Entity<TextThreadStore>,
 549        prompt_store: Option<Entity<PromptStore>>,
 550        window: &mut Window,
 551        cx: &mut Context<Self>,
 552    ) -> Self {
 553        let fs = workspace.app_state().fs.clone();
 554        let user_store = workspace.app_state().user_store.clone();
 555        let project = workspace.project();
 556        let language_registry = project.read(cx).languages().clone();
 557        let client = workspace.client().clone();
 558        let workspace = workspace.weak_handle();
 559
 560        let inline_assist_context_store =
 561            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 562
 563        let history_store = cx.new(|cx| HistoryStore::new(context_store.clone(), [], cx));
 564
 565        let acp_history_store = cx.new(|cx| agent2::HistoryStore::new(context_store.clone(), cx));
 566        let acp_history = cx.new(|cx| AcpThreadHistory::new(acp_history_store.clone(), window, cx));
 567        cx.subscribe_in(
 568            &acp_history,
 569            window,
 570            |this, _, event, window, cx| match event {
 571                ThreadHistoryEvent::Open(HistoryEntry::AcpThread(thread)) => {
 572                    this.external_thread(
 573                        Some(crate::ExternalAgent::NativeAgent),
 574                        Some(thread.clone()),
 575                        None,
 576                        window,
 577                        cx,
 578                    );
 579                }
 580                ThreadHistoryEvent::Open(HistoryEntry::TextThread(thread)) => {
 581                    this.open_saved_prompt_editor(thread.path.clone(), window, cx)
 582                        .detach_and_log_err(cx);
 583                }
 584            },
 585        )
 586        .detach();
 587
 588        cx.observe(&history_store, |_, _, cx| cx.notify()).detach();
 589
 590        let panel_type = AgentSettings::get_global(cx).default_view;
 591        let active_view = match panel_type {
 592            DefaultView::Thread => ActiveView::native_agent(
 593                fs.clone(),
 594                prompt_store.clone(),
 595                acp_history_store.clone(),
 596                project.clone(),
 597                workspace.clone(),
 598                window,
 599                cx,
 600            ),
 601            DefaultView::TextThread => {
 602                let context =
 603                    context_store.update(cx, |context_store, cx| context_store.create(cx));
 604                let lsp_adapter_delegate = make_lsp_adapter_delegate(&project.clone(), cx).unwrap();
 605                let context_editor = cx.new(|cx| {
 606                    let mut editor = TextThreadEditor::for_context(
 607                        context,
 608                        fs.clone(),
 609                        workspace.clone(),
 610                        project.clone(),
 611                        lsp_adapter_delegate,
 612                        window,
 613                        cx,
 614                    );
 615                    editor.insert_default_prompt(window, cx);
 616                    editor
 617                });
 618                ActiveView::prompt_editor(
 619                    context_editor,
 620                    history_store.clone(),
 621                    acp_history_store.clone(),
 622                    language_registry.clone(),
 623                    window,
 624                    cx,
 625                )
 626            }
 627        };
 628
 629        let weak_panel = cx.entity().downgrade();
 630
 631        window.defer(cx, move |window, cx| {
 632            let panel = weak_panel.clone();
 633            let assistant_navigation_menu =
 634                ContextMenu::build_persistent(window, cx, move |mut menu, _window, cx| {
 635                    if let Some(panel) = panel.upgrade() {
 636                        menu = Self::populate_recently_opened_menu_section(menu, panel, cx);
 637                    }
 638                    menu.action("View All", Box::new(OpenHistory))
 639                        .end_slot_action(DeleteRecentlyOpenThread.boxed_clone())
 640                        .fixed_width(px(320.).into())
 641                        .keep_open_on_confirm(false)
 642                        .key_context("NavigationMenu")
 643                });
 644            weak_panel
 645                .update(cx, |panel, cx| {
 646                    cx.subscribe_in(
 647                        &assistant_navigation_menu,
 648                        window,
 649                        |_, menu, _: &DismissEvent, window, cx| {
 650                            menu.update(cx, |menu, _| {
 651                                menu.clear_selected();
 652                            });
 653                            cx.focus_self(window);
 654                        },
 655                    )
 656                    .detach();
 657                    panel.assistant_navigation_menu = Some(assistant_navigation_menu);
 658                })
 659                .ok();
 660        });
 661
 662        let onboarding = cx.new(|cx| {
 663            AgentPanelOnboarding::new(
 664                user_store.clone(),
 665                client,
 666                |_window, cx| {
 667                    OnboardingUpsell::set_dismissed(true, cx);
 668                },
 669                cx,
 670            )
 671        });
 672
 673        Self {
 674            active_view,
 675            workspace,
 676            user_store,
 677            project: project.clone(),
 678            fs: fs.clone(),
 679            language_registry,
 680            thread_store: thread_store.clone(),
 681            context_store,
 682            prompt_store,
 683            configuration: None,
 684            configuration_subscription: None,
 685            inline_assist_context_store,
 686            previous_view: None,
 687            history_store: history_store.clone(),
 688            new_thread_menu_handle: PopoverMenuHandle::default(),
 689            agent_panel_menu_handle: PopoverMenuHandle::default(),
 690            assistant_navigation_menu_handle: PopoverMenuHandle::default(),
 691            assistant_navigation_menu: None,
 692            width: None,
 693            height: None,
 694            zoomed: false,
 695            pending_serialization: None,
 696            onboarding,
 697            acp_history,
 698            acp_history_store,
 699            selected_agent: AgentType::default(),
 700            loading: false,
 701        }
 702    }
 703
 704    pub fn toggle_focus(
 705        workspace: &mut Workspace,
 706        _: &ToggleFocus,
 707        window: &mut Window,
 708        cx: &mut Context<Workspace>,
 709    ) {
 710        if workspace
 711            .panel::<Self>(cx)
 712            .is_some_and(|panel| panel.read(cx).enabled(cx))
 713        {
 714            workspace.toggle_panel_focus::<Self>(window, cx);
 715        }
 716    }
 717
 718    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
 719        &self.prompt_store
 720    }
 721
 722    pub(crate) fn inline_assist_context_store(&self) -> &Entity<ContextStore> {
 723        &self.inline_assist_context_store
 724    }
 725
 726    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 727        &self.thread_store
 728    }
 729
 730    pub(crate) fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 731        &self.context_store
 732    }
 733
 734    fn active_thread_view(&self) -> Option<&Entity<AcpThreadView>> {
 735        match &self.active_view {
 736            ActiveView::ExternalAgentThread { thread_view, .. } => Some(thread_view),
 737            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => None,
 738        }
 739    }
 740
 741    fn new_thread(&mut self, _action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
 742        self.new_agent_thread(AgentType::NativeAgent, window, cx);
 743    }
 744
 745    fn new_native_agent_thread_from_summary(
 746        &mut self,
 747        action: &NewNativeAgentThreadFromSummary,
 748        window: &mut Window,
 749        cx: &mut Context<Self>,
 750    ) {
 751        let Some(thread) = self
 752            .acp_history_store
 753            .read(cx)
 754            .thread_from_session_id(&action.from_session_id)
 755        else {
 756            return;
 757        };
 758
 759        self.external_thread(
 760            Some(ExternalAgent::NativeAgent),
 761            None,
 762            Some(thread.clone()),
 763            window,
 764            cx,
 765        );
 766    }
 767
 768    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 769        telemetry::event!("Agent Thread Started", agent = "zed-text");
 770
 771        let context = self
 772            .context_store
 773            .update(cx, |context_store, cx| context_store.create(cx));
 774        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
 775            .log_err()
 776            .flatten();
 777
 778        let context_editor = cx.new(|cx| {
 779            let mut editor = TextThreadEditor::for_context(
 780                context,
 781                self.fs.clone(),
 782                self.workspace.clone(),
 783                self.project.clone(),
 784                lsp_adapter_delegate,
 785                window,
 786                cx,
 787            );
 788            editor.insert_default_prompt(window, cx);
 789            editor
 790        });
 791
 792        if self.selected_agent != AgentType::TextThread {
 793            self.selected_agent = AgentType::TextThread;
 794            self.serialize(cx);
 795        }
 796
 797        self.set_active_view(
 798            ActiveView::prompt_editor(
 799                context_editor.clone(),
 800                self.history_store.clone(),
 801                self.acp_history_store.clone(),
 802                self.language_registry.clone(),
 803                window,
 804                cx,
 805            ),
 806            window,
 807            cx,
 808        );
 809        context_editor.focus_handle(cx).focus(window);
 810    }
 811
 812    fn external_thread(
 813        &mut self,
 814        agent_choice: Option<crate::ExternalAgent>,
 815        resume_thread: Option<DbThreadMetadata>,
 816        summarize_thread: Option<DbThreadMetadata>,
 817        window: &mut Window,
 818        cx: &mut Context<Self>,
 819    ) {
 820        let workspace = self.workspace.clone();
 821        let project = self.project.clone();
 822        let fs = self.fs.clone();
 823        let is_via_collab = self.project.read(cx).is_via_collab();
 824
 825        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
 826
 827        #[derive(Default, Serialize, Deserialize)]
 828        struct LastUsedExternalAgent {
 829            agent: crate::ExternalAgent,
 830        }
 831
 832        let loading = self.loading;
 833        let history = self.acp_history_store.clone();
 834
 835        cx.spawn_in(window, async move |this, cx| {
 836            let ext_agent = match agent_choice {
 837                Some(agent) => {
 838                    cx.background_spawn({
 839                        let agent = agent.clone();
 840                        async move {
 841                            if let Some(serialized) =
 842                                serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
 843                            {
 844                                KEY_VALUE_STORE
 845                                    .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
 846                                    .await
 847                                    .log_err();
 848                            }
 849                        }
 850                    })
 851                    .detach();
 852
 853                    agent
 854                }
 855                None => {
 856                    if is_via_collab {
 857                        ExternalAgent::NativeAgent
 858                    } else {
 859                        cx.background_spawn(async move {
 860                            KEY_VALUE_STORE.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY)
 861                        })
 862                        .await
 863                        .log_err()
 864                        .flatten()
 865                        .and_then(|value| {
 866                            serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
 867                        })
 868                        .unwrap_or_default()
 869                        .agent
 870                    }
 871                }
 872            };
 873
 874            if !loading {
 875                telemetry::event!("Agent Thread Started", agent = ext_agent.name());
 876            }
 877
 878            let server = ext_agent.server(fs, history);
 879
 880            this.update_in(cx, |this, window, cx| {
 881                let selected_agent = ext_agent.into();
 882                if this.selected_agent != selected_agent {
 883                    this.selected_agent = selected_agent;
 884                    this.serialize(cx);
 885                }
 886
 887                let thread_view = cx.new(|cx| {
 888                    crate::acp::AcpThreadView::new(
 889                        server,
 890                        resume_thread,
 891                        summarize_thread,
 892                        workspace.clone(),
 893                        project,
 894                        this.acp_history_store.clone(),
 895                        this.prompt_store.clone(),
 896                        window,
 897                        cx,
 898                    )
 899                });
 900
 901                this.set_active_view(ActiveView::ExternalAgentThread { thread_view }, window, cx);
 902            })
 903        })
 904        .detach_and_log_err(cx);
 905    }
 906
 907    fn deploy_rules_library(
 908        &mut self,
 909        action: &OpenRulesLibrary,
 910        _window: &mut Window,
 911        cx: &mut Context<Self>,
 912    ) {
 913        open_rules_library(
 914            self.language_registry.clone(),
 915            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
 916            Rc::new(|| {
 917                Rc::new(SlashCommandCompletionProvider::new(
 918                    Arc::new(SlashCommandWorkingSet::default()),
 919                    None,
 920                    None,
 921                ))
 922            }),
 923            action
 924                .prompt_to_select
 925                .map(|uuid| UserPromptId(uuid).into()),
 926            cx,
 927        )
 928        .detach_and_log_err(cx);
 929    }
 930
 931    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
 932        if matches!(self.active_view, ActiveView::History) {
 933            if let Some(previous_view) = self.previous_view.take() {
 934                self.set_active_view(previous_view, window, cx);
 935            }
 936        } else {
 937            self.thread_store
 938                .update(cx, |thread_store, cx| thread_store.reload(cx))
 939                .detach_and_log_err(cx);
 940            self.set_active_view(ActiveView::History, window, cx);
 941        }
 942        cx.notify();
 943    }
 944
 945    pub(crate) fn open_saved_prompt_editor(
 946        &mut self,
 947        path: Arc<Path>,
 948        window: &mut Window,
 949        cx: &mut Context<Self>,
 950    ) -> Task<Result<()>> {
 951        let context = self
 952            .context_store
 953            .update(cx, |store, cx| store.open_local_context(path, cx));
 954        cx.spawn_in(window, async move |this, cx| {
 955            let context = context.await?;
 956            this.update_in(cx, |this, window, cx| {
 957                this.open_prompt_editor(context, window, cx);
 958            })
 959        })
 960    }
 961
 962    pub(crate) fn open_prompt_editor(
 963        &mut self,
 964        context: Entity<AssistantContext>,
 965        window: &mut Window,
 966        cx: &mut Context<Self>,
 967    ) {
 968        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
 969            .log_err()
 970            .flatten();
 971        let editor = cx.new(|cx| {
 972            TextThreadEditor::for_context(
 973                context,
 974                self.fs.clone(),
 975                self.workspace.clone(),
 976                self.project.clone(),
 977                lsp_adapter_delegate,
 978                window,
 979                cx,
 980            )
 981        });
 982
 983        if self.selected_agent != AgentType::TextThread {
 984            self.selected_agent = AgentType::TextThread;
 985            self.serialize(cx);
 986        }
 987
 988        self.set_active_view(
 989            ActiveView::prompt_editor(
 990                editor,
 991                self.history_store.clone(),
 992                self.acp_history_store.clone(),
 993                self.language_registry.clone(),
 994                window,
 995                cx,
 996            ),
 997            window,
 998            cx,
 999        );
1000    }
1001
1002    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1003        match self.active_view {
1004            ActiveView::Configuration | ActiveView::History => {
1005                if let Some(previous_view) = self.previous_view.take() {
1006                    self.active_view = previous_view;
1007
1008                    match &self.active_view {
1009                        ActiveView::ExternalAgentThread { thread_view } => {
1010                            thread_view.focus_handle(cx).focus(window);
1011                        }
1012                        ActiveView::TextThread { context_editor, .. } => {
1013                            context_editor.focus_handle(cx).focus(window);
1014                        }
1015                        ActiveView::History | ActiveView::Configuration => {}
1016                    }
1017                }
1018                cx.notify();
1019            }
1020            _ => {}
1021        }
1022    }
1023
1024    pub fn toggle_navigation_menu(
1025        &mut self,
1026        _: &ToggleNavigationMenu,
1027        window: &mut Window,
1028        cx: &mut Context<Self>,
1029    ) {
1030        self.assistant_navigation_menu_handle.toggle(window, cx);
1031    }
1032
1033    pub fn toggle_options_menu(
1034        &mut self,
1035        _: &ToggleOptionsMenu,
1036        window: &mut Window,
1037        cx: &mut Context<Self>,
1038    ) {
1039        self.agent_panel_menu_handle.toggle(window, cx);
1040    }
1041
1042    pub fn toggle_new_thread_menu(
1043        &mut self,
1044        _: &ToggleNewThreadMenu,
1045        window: &mut Window,
1046        cx: &mut Context<Self>,
1047    ) {
1048        self.new_thread_menu_handle.toggle(window, cx);
1049    }
1050
1051    pub fn increase_font_size(
1052        &mut self,
1053        action: &IncreaseBufferFontSize,
1054        _: &mut Window,
1055        cx: &mut Context<Self>,
1056    ) {
1057        self.handle_font_size_action(action.persist, px(1.0), cx);
1058    }
1059
1060    pub fn decrease_font_size(
1061        &mut self,
1062        action: &DecreaseBufferFontSize,
1063        _: &mut Window,
1064        cx: &mut Context<Self>,
1065    ) {
1066        self.handle_font_size_action(action.persist, px(-1.0), cx);
1067    }
1068
1069    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1070        match self.active_view.which_font_size_used() {
1071            WhichFontSize::AgentFont => {
1072                if persist {
1073                    update_settings_file(self.fs.clone(), cx, move |settings, cx| {
1074                        let agent_ui_font_size =
1075                            ThemeSettings::get_global(cx).agent_ui_font_size(cx) + delta;
1076                        let _ = settings
1077                            .theme
1078                            .agent_ui_font_size
1079                            .insert(theme::clamp_font_size(agent_ui_font_size).into());
1080                    });
1081                } else {
1082                    theme::adjust_agent_ui_font_size(cx, |size| size + delta);
1083                }
1084            }
1085            WhichFontSize::BufferFont => {
1086                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1087                // default handler that changes that font size.
1088                cx.propagate();
1089            }
1090            WhichFontSize::None => {}
1091        }
1092    }
1093
1094    pub fn reset_font_size(
1095        &mut self,
1096        action: &ResetBufferFontSize,
1097        _: &mut Window,
1098        cx: &mut Context<Self>,
1099    ) {
1100        if action.persist {
1101            update_settings_file(self.fs.clone(), cx, move |settings, _| {
1102                settings.theme.agent_ui_font_size = None;
1103            });
1104        } else {
1105            theme::reset_agent_ui_font_size(cx);
1106        }
1107    }
1108
1109    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1110        if self.zoomed {
1111            cx.emit(PanelEvent::ZoomOut);
1112        } else {
1113            if !self.focus_handle(cx).contains_focused(window, cx) {
1114                cx.focus_self(window);
1115            }
1116            cx.emit(PanelEvent::ZoomIn);
1117        }
1118    }
1119
1120    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1121        let agent_server_store = self.project.read(cx).agent_server_store().clone();
1122        let context_server_store = self.project.read(cx).context_server_store();
1123        let tools = self.thread_store.read(cx).tools();
1124        let fs = self.fs.clone();
1125
1126        self.set_active_view(ActiveView::Configuration, window, cx);
1127        self.configuration = Some(cx.new(|cx| {
1128            AgentConfiguration::new(
1129                fs,
1130                agent_server_store,
1131                context_server_store,
1132                tools,
1133                self.language_registry.clone(),
1134                self.workspace.clone(),
1135                window,
1136                cx,
1137            )
1138        }));
1139
1140        if let Some(configuration) = self.configuration.as_ref() {
1141            self.configuration_subscription = Some(cx.subscribe_in(
1142                configuration,
1143                window,
1144                Self::handle_agent_configuration_event,
1145            ));
1146
1147            configuration.focus_handle(cx).focus(window);
1148        }
1149    }
1150
1151    pub(crate) fn open_active_thread_as_markdown(
1152        &mut self,
1153        _: &OpenActiveThreadAsMarkdown,
1154        window: &mut Window,
1155        cx: &mut Context<Self>,
1156    ) {
1157        let Some(workspace) = self.workspace.upgrade() else {
1158            return;
1159        };
1160
1161        match &self.active_view {
1162            ActiveView::ExternalAgentThread { thread_view } => {
1163                thread_view
1164                    .update(cx, |thread_view, cx| {
1165                        thread_view.open_thread_as_markdown(workspace, window, cx)
1166                    })
1167                    .detach_and_log_err(cx);
1168            }
1169            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1170        }
1171    }
1172
1173    fn handle_agent_configuration_event(
1174        &mut self,
1175        _entity: &Entity<AgentConfiguration>,
1176        event: &AssistantConfigurationEvent,
1177        window: &mut Window,
1178        cx: &mut Context<Self>,
1179    ) {
1180        match event {
1181            AssistantConfigurationEvent::NewThread(provider) => {
1182                if LanguageModelRegistry::read_global(cx)
1183                    .default_model()
1184                    .is_none_or(|model| model.provider.id() != provider.id())
1185                    && let Some(model) = provider.default_model(cx)
1186                {
1187                    update_settings_file(self.fs.clone(), cx, move |settings, _| {
1188                        let provider = model.provider_id().0.to_string();
1189                        let model = model.id().0.to_string();
1190                        settings
1191                            .agent
1192                            .get_or_insert_default()
1193                            .set_model(LanguageModelSelection {
1194                                provider: LanguageModelProviderSetting(provider),
1195                                model,
1196                            })
1197                    });
1198                }
1199
1200                self.new_thread(&NewThread::default(), window, cx);
1201                if let Some((thread, model)) = self
1202                    .active_native_agent_thread(cx)
1203                    .zip(provider.default_model(cx))
1204                {
1205                    thread.update(cx, |thread, cx| {
1206                        thread.set_model(model, cx);
1207                    });
1208                }
1209            }
1210        }
1211    }
1212
1213    pub(crate) fn active_agent_thread(&self, cx: &App) -> Option<Entity<AcpThread>> {
1214        match &self.active_view {
1215            ActiveView::ExternalAgentThread { thread_view, .. } => {
1216                thread_view.read(cx).thread().cloned()
1217            }
1218            _ => None,
1219        }
1220    }
1221
1222    pub(crate) fn active_native_agent_thread(&self, cx: &App) -> Option<Entity<agent2::Thread>> {
1223        match &self.active_view {
1224            ActiveView::ExternalAgentThread { thread_view, .. } => {
1225                thread_view.read(cx).as_native_thread(cx)
1226            }
1227            _ => None,
1228        }
1229    }
1230
1231    pub(crate) fn active_context_editor(&self) -> Option<Entity<TextThreadEditor>> {
1232        match &self.active_view {
1233            ActiveView::TextThread { context_editor, .. } => Some(context_editor.clone()),
1234            _ => None,
1235        }
1236    }
1237
1238    fn set_active_view(
1239        &mut self,
1240        new_view: ActiveView,
1241        window: &mut Window,
1242        cx: &mut Context<Self>,
1243    ) {
1244        let current_is_history = matches!(self.active_view, ActiveView::History);
1245        let new_is_history = matches!(new_view, ActiveView::History);
1246
1247        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
1248        let new_is_config = matches!(new_view, ActiveView::Configuration);
1249
1250        let current_is_special = current_is_history || current_is_config;
1251        let new_is_special = new_is_history || new_is_config;
1252
1253        match &new_view {
1254            ActiveView::TextThread { context_editor, .. } => {
1255                self.history_store.update(cx, |store, cx| {
1256                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1257                        store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
1258                    }
1259                });
1260                self.acp_history_store.update(cx, |store, cx| {
1261                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1262                        store.push_recently_opened_entry(
1263                            agent2::HistoryEntryId::TextThread(path.clone()),
1264                            cx,
1265                        )
1266                    }
1267                })
1268            }
1269            ActiveView::ExternalAgentThread { .. } => {}
1270            ActiveView::History | ActiveView::Configuration => {}
1271        }
1272
1273        if current_is_special && !new_is_special {
1274            self.active_view = new_view;
1275        } else if !current_is_special && new_is_special {
1276            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
1277        } else {
1278            if !new_is_special {
1279                self.previous_view = None;
1280            }
1281            self.active_view = new_view;
1282        }
1283
1284        self.focus_handle(cx).focus(window);
1285    }
1286
1287    fn populate_recently_opened_menu_section(
1288        mut menu: ContextMenu,
1289        panel: Entity<Self>,
1290        cx: &mut Context<ContextMenu>,
1291    ) -> ContextMenu {
1292        let entries = panel
1293            .read(cx)
1294            .acp_history_store
1295            .read(cx)
1296            .recently_opened_entries(cx);
1297
1298        if entries.is_empty() {
1299            return menu;
1300        }
1301
1302        menu = menu.header("Recently Opened");
1303
1304        for entry in entries {
1305            let title = entry.title().clone();
1306
1307            menu = menu.entry_with_end_slot_on_hover(
1308                title,
1309                None,
1310                {
1311                    let panel = panel.downgrade();
1312                    let entry = entry.clone();
1313                    move |window, cx| {
1314                        let entry = entry.clone();
1315                        panel
1316                            .update(cx, move |this, cx| match &entry {
1317                                agent2::HistoryEntry::AcpThread(entry) => this.external_thread(
1318                                    Some(ExternalAgent::NativeAgent),
1319                                    Some(entry.clone()),
1320                                    None,
1321                                    window,
1322                                    cx,
1323                                ),
1324                                agent2::HistoryEntry::TextThread(entry) => this
1325                                    .open_saved_prompt_editor(entry.path.clone(), window, cx)
1326                                    .detach_and_log_err(cx),
1327                            })
1328                            .ok();
1329                    }
1330                },
1331                IconName::Close,
1332                "Close Entry".into(),
1333                {
1334                    let panel = panel.downgrade();
1335                    let id = entry.id();
1336                    move |_window, cx| {
1337                        panel
1338                            .update(cx, |this, cx| {
1339                                this.acp_history_store.update(cx, |history_store, cx| {
1340                                    history_store.remove_recently_opened_entry(&id, cx);
1341                                });
1342                            })
1343                            .ok();
1344                    }
1345                },
1346            );
1347        }
1348
1349        menu = menu.separator();
1350
1351        menu
1352    }
1353
1354    pub fn selected_agent(&self) -> AgentType {
1355        self.selected_agent.clone()
1356    }
1357
1358    pub fn new_agent_thread(
1359        &mut self,
1360        agent: AgentType,
1361        window: &mut Window,
1362        cx: &mut Context<Self>,
1363    ) {
1364        match agent {
1365            AgentType::Zed => {
1366                window.dispatch_action(
1367                    NewThread {
1368                        from_thread_id: None,
1369                    }
1370                    .boxed_clone(),
1371                    cx,
1372                );
1373            }
1374            AgentType::TextThread => {
1375                window.dispatch_action(NewTextThread.boxed_clone(), cx);
1376            }
1377            AgentType::NativeAgent => self.external_thread(
1378                Some(crate::ExternalAgent::NativeAgent),
1379                None,
1380                None,
1381                window,
1382                cx,
1383            ),
1384            AgentType::Gemini => {
1385                self.external_thread(Some(crate::ExternalAgent::Gemini), None, None, window, cx)
1386            }
1387            AgentType::ClaudeCode => {
1388                self.selected_agent = AgentType::ClaudeCode;
1389                self.serialize(cx);
1390                self.external_thread(
1391                    Some(crate::ExternalAgent::ClaudeCode),
1392                    None,
1393                    None,
1394                    window,
1395                    cx,
1396                )
1397            }
1398            AgentType::Codex => {
1399                self.selected_agent = AgentType::Codex;
1400                self.serialize(cx);
1401                self.external_thread(Some(crate::ExternalAgent::Codex), None, None, window, cx)
1402            }
1403            AgentType::Custom { name, command } => self.external_thread(
1404                Some(crate::ExternalAgent::Custom { name, command }),
1405                None,
1406                None,
1407                window,
1408                cx,
1409            ),
1410        }
1411    }
1412
1413    pub fn load_agent_thread(
1414        &mut self,
1415        thread: DbThreadMetadata,
1416        window: &mut Window,
1417        cx: &mut Context<Self>,
1418    ) {
1419        self.external_thread(
1420            Some(ExternalAgent::NativeAgent),
1421            Some(thread),
1422            None,
1423            window,
1424            cx,
1425        );
1426    }
1427}
1428
1429impl Focusable for AgentPanel {
1430    fn focus_handle(&self, cx: &App) -> FocusHandle {
1431        match &self.active_view {
1432            ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
1433            ActiveView::History => self.acp_history.focus_handle(cx),
1434            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
1435            ActiveView::Configuration => {
1436                if let Some(configuration) = self.configuration.as_ref() {
1437                    configuration.focus_handle(cx)
1438                } else {
1439                    cx.focus_handle()
1440                }
1441            }
1442        }
1443    }
1444}
1445
1446fn agent_panel_dock_position(cx: &App) -> DockPosition {
1447    AgentSettings::get_global(cx).dock.into()
1448}
1449
1450impl EventEmitter<PanelEvent> for AgentPanel {}
1451
1452impl Panel for AgentPanel {
1453    fn persistent_name() -> &'static str {
1454        "AgentPanel"
1455    }
1456
1457    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1458        agent_panel_dock_position(cx)
1459    }
1460
1461    fn position_is_valid(&self, position: DockPosition) -> bool {
1462        position != DockPosition::Bottom
1463    }
1464
1465    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
1466        settings::update_settings_file(self.fs.clone(), cx, move |settings, _| {
1467            settings
1468                .agent
1469                .get_or_insert_default()
1470                .set_dock(position.into());
1471        });
1472    }
1473
1474    fn size(&self, window: &Window, cx: &App) -> Pixels {
1475        let settings = AgentSettings::get_global(cx);
1476        match self.position(window, cx) {
1477            DockPosition::Left | DockPosition::Right => {
1478                self.width.unwrap_or(settings.default_width)
1479            }
1480            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
1481        }
1482    }
1483
1484    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
1485        match self.position(window, cx) {
1486            DockPosition::Left | DockPosition::Right => self.width = size,
1487            DockPosition::Bottom => self.height = size,
1488        }
1489        self.serialize(cx);
1490        cx.notify();
1491    }
1492
1493    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
1494
1495    fn remote_id() -> Option<proto::PanelId> {
1496        Some(proto::PanelId::AssistantPanel)
1497    }
1498
1499    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
1500        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
1501    }
1502
1503    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
1504        Some("Agent Panel")
1505    }
1506
1507    fn toggle_action(&self) -> Box<dyn Action> {
1508        Box::new(ToggleFocus)
1509    }
1510
1511    fn activation_priority(&self) -> u32 {
1512        3
1513    }
1514
1515    fn enabled(&self, cx: &App) -> bool {
1516        AgentSettings::get_global(cx).enabled(cx)
1517    }
1518
1519    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
1520        self.zoomed
1521    }
1522
1523    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
1524        self.zoomed = zoomed;
1525        cx.notify();
1526    }
1527}
1528
1529impl AgentPanel {
1530    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
1531        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
1532
1533        let content = match &self.active_view {
1534            ActiveView::ExternalAgentThread { thread_view } => {
1535                if let Some(title_editor) = thread_view.read(cx).title_editor() {
1536                    div()
1537                        .w_full()
1538                        .on_action({
1539                            let thread_view = thread_view.downgrade();
1540                            move |_: &menu::Confirm, window, cx| {
1541                                if let Some(thread_view) = thread_view.upgrade() {
1542                                    thread_view.focus_handle(cx).focus(window);
1543                                }
1544                            }
1545                        })
1546                        .on_action({
1547                            let thread_view = thread_view.downgrade();
1548                            move |_: &editor::actions::Cancel, window, cx| {
1549                                if let Some(thread_view) = thread_view.upgrade() {
1550                                    thread_view.focus_handle(cx).focus(window);
1551                                }
1552                            }
1553                        })
1554                        .child(title_editor)
1555                        .into_any_element()
1556                } else {
1557                    Label::new(thread_view.read(cx).title(cx))
1558                        .color(Color::Muted)
1559                        .truncate()
1560                        .into_any_element()
1561                }
1562            }
1563            ActiveView::TextThread {
1564                title_editor,
1565                context_editor,
1566                ..
1567            } => {
1568                let summary = context_editor.read(cx).context().read(cx).summary();
1569
1570                match summary {
1571                    ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
1572                        .color(Color::Muted)
1573                        .truncate()
1574                        .into_any_element(),
1575                    ContextSummary::Content(summary) => {
1576                        if summary.done {
1577                            div()
1578                                .w_full()
1579                                .child(title_editor.clone())
1580                                .into_any_element()
1581                        } else {
1582                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
1583                                .truncate()
1584                                .color(Color::Muted)
1585                                .into_any_element()
1586                        }
1587                    }
1588                    ContextSummary::Error => h_flex()
1589                        .w_full()
1590                        .child(title_editor.clone())
1591                        .child(
1592                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
1593                                .icon_size(IconSize::Small)
1594                                .on_click({
1595                                    let context_editor = context_editor.clone();
1596                                    move |_, _window, cx| {
1597                                        context_editor.update(cx, |context_editor, cx| {
1598                                            context_editor.regenerate_summary(cx);
1599                                        });
1600                                    }
1601                                })
1602                                .tooltip(move |_window, cx| {
1603                                    cx.new(|_| {
1604                                        Tooltip::new("Failed to generate title")
1605                                            .meta("Click to try again")
1606                                    })
1607                                    .into()
1608                                }),
1609                        )
1610                        .into_any_element(),
1611                }
1612            }
1613            ActiveView::History => Label::new("History").truncate().into_any_element(),
1614            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
1615        };
1616
1617        h_flex()
1618            .key_context("TitleEditor")
1619            .id("TitleEditor")
1620            .flex_grow()
1621            .w_full()
1622            .max_w_full()
1623            .overflow_x_scroll()
1624            .child(content)
1625            .into_any()
1626    }
1627
1628    fn render_panel_options_menu(
1629        &self,
1630        window: &mut Window,
1631        cx: &mut Context<Self>,
1632    ) -> impl IntoElement {
1633        let user_store = self.user_store.read(cx);
1634        let usage = user_store.model_request_usage();
1635        let account_url = zed_urls::account_url(cx);
1636
1637        let focus_handle = self.focus_handle(cx);
1638
1639        let full_screen_label = if self.is_zoomed(window, cx) {
1640            "Disable Full Screen"
1641        } else {
1642            "Enable Full Screen"
1643        };
1644
1645        let selected_agent = self.selected_agent.clone();
1646
1647        PopoverMenu::new("agent-options-menu")
1648            .trigger_with_tooltip(
1649                IconButton::new("agent-options-menu", IconName::Ellipsis)
1650                    .icon_size(IconSize::Small),
1651                {
1652                    let focus_handle = focus_handle.clone();
1653                    move |window, cx| {
1654                        Tooltip::for_action_in(
1655                            "Toggle Agent Menu",
1656                            &ToggleOptionsMenu,
1657                            &focus_handle,
1658                            window,
1659                            cx,
1660                        )
1661                    }
1662                },
1663            )
1664            .anchor(Corner::TopRight)
1665            .with_handle(self.agent_panel_menu_handle.clone())
1666            .menu({
1667                move |window, cx| {
1668                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
1669                        menu = menu.context(focus_handle.clone());
1670                        if let Some(usage) = usage {
1671                            menu = menu
1672                                .header_with_link("Prompt Usage", "Manage", account_url.clone())
1673                                .custom_entry(
1674                                    move |_window, cx| {
1675                                        let used_percentage = match usage.limit {
1676                                            UsageLimit::Limited(limit) => {
1677                                                Some((usage.amount as f32 / limit as f32) * 100.)
1678                                            }
1679                                            UsageLimit::Unlimited => None,
1680                                        };
1681
1682                                        h_flex()
1683                                            .flex_1()
1684                                            .gap_1p5()
1685                                            .children(used_percentage.map(|percent| {
1686                                                ProgressBar::new("usage", percent, 100., cx)
1687                                            }))
1688                                            .child(
1689                                                Label::new(match usage.limit {
1690                                                    UsageLimit::Limited(limit) => {
1691                                                        format!("{} / {limit}", usage.amount)
1692                                                    }
1693                                                    UsageLimit::Unlimited => {
1694                                                        format!("{} / ∞", usage.amount)
1695                                                    }
1696                                                })
1697                                                .size(LabelSize::Small)
1698                                                .color(Color::Muted),
1699                                            )
1700                                            .into_any_element()
1701                                    },
1702                                    move |_, cx| cx.open_url(&zed_urls::account_url(cx)),
1703                                )
1704                                .separator()
1705                        }
1706
1707                        menu = menu
1708                            .header("MCP Servers")
1709                            .action(
1710                                "View Server Extensions",
1711                                Box::new(zed_actions::Extensions {
1712                                    category_filter: Some(
1713                                        zed_actions::ExtensionCategoryFilter::ContextServers,
1714                                    ),
1715                                    id: None,
1716                                }),
1717                            )
1718                            .action("Add Custom Server…", Box::new(AddContextServer))
1719                            .separator();
1720
1721                        menu = menu
1722                            .action("Rules…", Box::new(OpenRulesLibrary::default()))
1723                            .action("Settings", Box::new(OpenSettings))
1724                            .separator()
1725                            .action(full_screen_label, Box::new(ToggleZoom));
1726
1727                        if selected_agent == AgentType::Gemini {
1728                            menu = menu.action("Reauthenticate", Box::new(ReauthenticateAgent))
1729                        }
1730
1731                        menu
1732                    }))
1733                }
1734            })
1735    }
1736
1737    fn render_recent_entries_menu(
1738        &self,
1739        icon: IconName,
1740        corner: Corner,
1741        cx: &mut Context<Self>,
1742    ) -> impl IntoElement {
1743        let focus_handle = self.focus_handle(cx);
1744
1745        PopoverMenu::new("agent-nav-menu")
1746            .trigger_with_tooltip(
1747                IconButton::new("agent-nav-menu", icon).icon_size(IconSize::Small),
1748                {
1749                    move |window, cx| {
1750                        Tooltip::for_action_in(
1751                            "Toggle Recent Threads",
1752                            &ToggleNavigationMenu,
1753                            &focus_handle,
1754                            window,
1755                            cx,
1756                        )
1757                    }
1758                },
1759            )
1760            .anchor(corner)
1761            .with_handle(self.assistant_navigation_menu_handle.clone())
1762            .menu({
1763                let menu = self.assistant_navigation_menu.clone();
1764                move |window, cx| {
1765                    telemetry::event!("View Thread History Clicked");
1766
1767                    if let Some(menu) = menu.as_ref() {
1768                        menu.update(cx, |_, cx| {
1769                            cx.defer_in(window, |menu, window, cx| {
1770                                menu.rebuild(window, cx);
1771                            });
1772                        })
1773                    }
1774                    menu.clone()
1775                }
1776            })
1777    }
1778
1779    fn render_toolbar_back_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
1780        let focus_handle = self.focus_handle(cx);
1781
1782        IconButton::new("go-back", IconName::ArrowLeft)
1783            .icon_size(IconSize::Small)
1784            .on_click(cx.listener(|this, _, window, cx| {
1785                this.go_back(&workspace::GoBack, window, cx);
1786            }))
1787            .tooltip({
1788                move |window, cx| {
1789                    Tooltip::for_action_in("Go Back", &workspace::GoBack, &focus_handle, window, cx)
1790                }
1791            })
1792    }
1793
1794    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
1795        let agent_server_store = self.project.read(cx).agent_server_store().clone();
1796        let focus_handle = self.focus_handle(cx);
1797
1798        let active_thread = match &self.active_view {
1799            ActiveView::ExternalAgentThread { thread_view } => {
1800                thread_view.read(cx).as_native_thread(cx)
1801            }
1802            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => None,
1803        };
1804
1805        let new_thread_menu = PopoverMenu::new("new_thread_menu")
1806            .trigger_with_tooltip(
1807                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
1808                {
1809                    let focus_handle = focus_handle.clone();
1810                    move |window, cx| {
1811                        Tooltip::for_action_in(
1812                            "New…",
1813                            &ToggleNewThreadMenu,
1814                            &focus_handle,
1815                            window,
1816                            cx,
1817                        )
1818                    }
1819                },
1820            )
1821            .anchor(Corner::TopRight)
1822            .with_handle(self.new_thread_menu_handle.clone())
1823            .menu({
1824                let workspace = self.workspace.clone();
1825                let is_via_collab = workspace
1826                    .update(cx, |workspace, cx| {
1827                        workspace.project().read(cx).is_via_collab()
1828                    })
1829                    .unwrap_or_default();
1830
1831                move |window, cx| {
1832                    telemetry::event!("New Thread Clicked");
1833
1834                    let active_thread = active_thread.clone();
1835                    Some(ContextMenu::build(window, cx, |menu, _window, cx| {
1836                        menu
1837                            .context(focus_handle.clone())
1838                            .header("Zed Agent")
1839                            .when_some(active_thread, |this, active_thread| {
1840                                let thread = active_thread.read(cx);
1841
1842                                if !thread.is_empty() {
1843                                    let session_id = thread.id().clone();
1844                                    this.item(
1845                                        ContextMenuEntry::new("New From Summary")
1846                                            .icon(IconName::ThreadFromSummary)
1847                                            .icon_color(Color::Muted)
1848                                            .handler(move |window, cx| {
1849                                                window.dispatch_action(
1850                                                    Box::new(NewNativeAgentThreadFromSummary {
1851                                                        from_session_id: session_id.clone(),
1852                                                    }),
1853                                                    cx,
1854                                                );
1855                                            }),
1856                                    )
1857                                } else {
1858                                    this
1859                                }
1860                            })
1861                            .item(
1862                                ContextMenuEntry::new("New Thread")
1863                                    .action(NewThread::default().boxed_clone())
1864                                    .icon(IconName::Thread)
1865                                    .icon_color(Color::Muted)
1866                                    .handler({
1867                                        let workspace = workspace.clone();
1868                                        move |window, cx| {
1869                                            if let Some(workspace) = workspace.upgrade() {
1870                                                workspace.update(cx, |workspace, cx| {
1871                                                    if let Some(panel) =
1872                                                        workspace.panel::<AgentPanel>(cx)
1873                                                    {
1874                                                        panel.update(cx, |panel, cx| {
1875                                                            panel.new_agent_thread(
1876                                                                AgentType::NativeAgent,
1877                                                                window,
1878                                                                cx,
1879                                                            );
1880                                                        });
1881                                                    }
1882                                                });
1883                                            }
1884                                        }
1885                                    }),
1886                            )
1887                            .item(
1888                                ContextMenuEntry::new("New Text Thread")
1889                                    .icon(IconName::TextThread)
1890                                    .icon_color(Color::Muted)
1891                                    .action(NewTextThread.boxed_clone())
1892                                    .handler({
1893                                        let workspace = workspace.clone();
1894                                        move |window, cx| {
1895                                            if let Some(workspace) = workspace.upgrade() {
1896                                                workspace.update(cx, |workspace, cx| {
1897                                                    if let Some(panel) =
1898                                                        workspace.panel::<AgentPanel>(cx)
1899                                                    {
1900                                                        panel.update(cx, |panel, cx| {
1901                                                            panel.new_agent_thread(
1902                                                                AgentType::TextThread,
1903                                                                window,
1904                                                                cx,
1905                                                            );
1906                                                        });
1907                                                    }
1908                                                });
1909                                            }
1910                                        }
1911                                    }),
1912                            )
1913                            .separator()
1914                            .header("External Agents")
1915                            .item(
1916                                ContextMenuEntry::new("New Claude Code Thread")
1917                                    .icon(IconName::AiClaude)
1918                                    .disabled(is_via_collab)
1919                                    .icon_color(Color::Muted)
1920                                    .handler({
1921                                        let workspace = workspace.clone();
1922                                        move |window, cx| {
1923                                            if let Some(workspace) = workspace.upgrade() {
1924                                                workspace.update(cx, |workspace, cx| {
1925                                                    if let Some(panel) =
1926                                                        workspace.panel::<AgentPanel>(cx)
1927                                                    {
1928                                                        panel.update(cx, |panel, cx| {
1929                                                            panel.new_agent_thread(
1930                                                                AgentType::ClaudeCode,
1931                                                                window,
1932                                                                cx,
1933                                                            );
1934                                                        });
1935                                                    }
1936                                                });
1937                                            }
1938                                        }
1939                                    }),
1940                            )
1941                            .item(
1942                                ContextMenuEntry::new("New Codex Thread")
1943                                    .icon(IconName::AiOpenAi)
1944                                    .disabled(is_via_collab)
1945                                    .icon_color(Color::Muted)
1946                                    .handler({
1947                                        let workspace = workspace.clone();
1948                                        move |window, cx| {
1949                                            if let Some(workspace) = workspace.upgrade() {
1950                                                workspace.update(cx, |workspace, cx| {
1951                                                    if let Some(panel) =
1952                                                        workspace.panel::<AgentPanel>(cx)
1953                                                    {
1954                                                        panel.update(cx, |panel, cx| {
1955                                                            panel.new_agent_thread(
1956                                                                AgentType::Codex,
1957                                                                window,
1958                                                                cx,
1959                                                            );
1960                                                        });
1961                                                    }
1962                                                });
1963                                            }
1964                                        }
1965                                    }),
1966                            )
1967                            .item(
1968                                ContextMenuEntry::new("New Gemini CLI Thread")
1969                                    .icon(IconName::AiGemini)
1970                                    .icon_color(Color::Muted)
1971                                    .disabled(is_via_collab)
1972                                    .handler({
1973                                        let workspace = workspace.clone();
1974                                        move |window, cx| {
1975                                            if let Some(workspace) = workspace.upgrade() {
1976                                                workspace.update(cx, |workspace, cx| {
1977                                                    if let Some(panel) =
1978                                                        workspace.panel::<AgentPanel>(cx)
1979                                                    {
1980                                                        panel.update(cx, |panel, cx| {
1981                                                            panel.new_agent_thread(
1982                                                                AgentType::Gemini,
1983                                                                window,
1984                                                                cx,
1985                                                            );
1986                                                        });
1987                                                    }
1988                                                });
1989                                            }
1990                                        }
1991                                    }),
1992                            )
1993                            .map(|mut menu| {
1994                                let agent_names = agent_server_store
1995                                    .read(cx)
1996                                    .external_agents()
1997                                    .filter(|name| {
1998                                        name.0 != GEMINI_NAME && name.0 != CLAUDE_CODE_NAME && name.0 != CODEX_NAME
1999                                    })
2000                                    .cloned()
2001                                    .collect::<Vec<_>>();
2002                                let custom_settings = cx.global::<SettingsStore>().get::<AllAgentServersSettings>(None).custom.clone();
2003                                for agent_name in agent_names {
2004                                    menu = menu.item(
2005                                        ContextMenuEntry::new(format!("New {} Thread", agent_name))
2006                                            .icon(IconName::Terminal)
2007                                            .icon_color(Color::Muted)
2008                                            .disabled(is_via_collab)
2009                                            .handler({
2010                                                let workspace = workspace.clone();
2011                                                let agent_name = agent_name.clone();
2012                                                let custom_settings = custom_settings.clone();
2013                                                move |window, cx| {
2014                                                    if let Some(workspace) = workspace.upgrade() {
2015                                                        workspace.update(cx, |workspace, cx| {
2016                                                            if let Some(panel) =
2017                                                                workspace.panel::<AgentPanel>(cx)
2018                                                            {
2019                                                                panel.update(cx, |panel, cx| {
2020                                                                    panel.new_agent_thread(
2021                                                                        AgentType::Custom {
2022                                                                            name: agent_name.clone().into(),
2023                                                                            command: custom_settings
2024                                                                                .get(&agent_name.0)
2025                                                                                .map(|settings| {
2026                                                                                    settings.command.clone()
2027                                                                                })
2028                                                                                .unwrap_or(placeholder_command()),
2029                                                                        },
2030                                                                        window,
2031                                                                        cx,
2032                                                                    );
2033                                                                });
2034                                                            }
2035                                                        });
2036                                                    }
2037                                                }
2038                                            }),
2039                                    );
2040                                }
2041
2042                                menu
2043                            })
2044                            .separator().link(
2045                                    "Add Other Agents",
2046                                    OpenBrowser {
2047                                        url: zed_urls::external_agents_docs(cx),
2048                                    }
2049                                    .boxed_clone(),
2050                                )
2051                    }))
2052                }
2053            });
2054
2055        let selected_agent_label = self.selected_agent.label();
2056        let selected_agent = div()
2057            .id("selected_agent_icon")
2058            .when_some(self.selected_agent.icon(), |this, icon| {
2059                this.px(DynamicSpacing::Base02.rems(cx))
2060                    .child(Icon::new(icon).color(Color::Muted))
2061                    .tooltip(move |window, cx| {
2062                        Tooltip::with_meta(
2063                            selected_agent_label.clone(),
2064                            None,
2065                            "Selected Agent",
2066                            window,
2067                            cx,
2068                        )
2069                    })
2070            })
2071            .into_any_element();
2072
2073        h_flex()
2074            .id("agent-panel-toolbar")
2075            .h(Tab::container_height(cx))
2076            .max_w_full()
2077            .flex_none()
2078            .justify_between()
2079            .gap_2()
2080            .bg(cx.theme().colors().tab_bar_background)
2081            .border_b_1()
2082            .border_color(cx.theme().colors().border)
2083            .child(
2084                h_flex()
2085                    .size_full()
2086                    .gap(DynamicSpacing::Base04.rems(cx))
2087                    .pl(DynamicSpacing::Base04.rems(cx))
2088                    .child(match &self.active_view {
2089                        ActiveView::History | ActiveView::Configuration => {
2090                            self.render_toolbar_back_button(cx).into_any_element()
2091                        }
2092                        _ => selected_agent.into_any_element(),
2093                    })
2094                    .child(self.render_title_view(window, cx)),
2095            )
2096            .child(
2097                h_flex()
2098                    .flex_none()
2099                    .gap(DynamicSpacing::Base02.rems(cx))
2100                    .pl(DynamicSpacing::Base04.rems(cx))
2101                    .pr(DynamicSpacing::Base06.rems(cx))
2102                    .child(new_thread_menu)
2103                    .child(self.render_recent_entries_menu(
2104                        IconName::MenuAltTemp,
2105                        Corner::TopRight,
2106                        cx,
2107                    ))
2108                    .child(self.render_panel_options_menu(window, cx)),
2109            )
2110    }
2111
2112    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
2113        if TrialEndUpsell::dismissed() {
2114            return false;
2115        }
2116
2117        match &self.active_view {
2118            ActiveView::TextThread { .. } => {
2119                if LanguageModelRegistry::global(cx)
2120                    .read(cx)
2121                    .default_model()
2122                    .is_some_and(|model| {
2123                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2124                    })
2125                {
2126                    return false;
2127                }
2128            }
2129            ActiveView::ExternalAgentThread { .. }
2130            | ActiveView::History
2131            | ActiveView::Configuration => return false,
2132        }
2133
2134        let plan = self.user_store.read(cx).plan();
2135        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2136
2137        matches!(
2138            plan,
2139            Some(Plan::V1(PlanV1::ZedFree) | Plan::V2(PlanV2::ZedFree))
2140        ) && has_previous_trial
2141    }
2142
2143    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
2144        if OnboardingUpsell::dismissed() {
2145            return false;
2146        }
2147
2148        let user_store = self.user_store.read(cx);
2149
2150        if user_store
2151            .plan()
2152            .is_some_and(|plan| matches!(plan, Plan::V1(PlanV1::ZedPro) | Plan::V2(PlanV2::ZedPro)))
2153            && user_store
2154                .subscription_period()
2155                .and_then(|period| period.0.checked_add_days(chrono::Days::new(1)))
2156                .is_some_and(|date| date < chrono::Utc::now())
2157        {
2158            OnboardingUpsell::set_dismissed(true, cx);
2159            return false;
2160        }
2161
2162        match &self.active_view {
2163            ActiveView::History | ActiveView::Configuration => false,
2164            ActiveView::ExternalAgentThread { thread_view, .. }
2165                if thread_view.read(cx).as_native_thread(cx).is_none() =>
2166            {
2167                false
2168            }
2169            _ => {
2170                let history_is_empty = self.acp_history_store.read(cx).is_empty(cx)
2171                    && self
2172                        .history_store
2173                        .update(cx, |store, cx| store.recent_entries(1, cx).is_empty());
2174
2175                let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
2176                    .providers()
2177                    .iter()
2178                    .any(|provider| {
2179                        provider.is_authenticated(cx)
2180                            && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2181                    });
2182
2183                history_is_empty || !has_configured_non_zed_providers
2184            }
2185        }
2186    }
2187
2188    fn render_onboarding(
2189        &self,
2190        _window: &mut Window,
2191        cx: &mut Context<Self>,
2192    ) -> Option<impl IntoElement> {
2193        if !self.should_render_onboarding(cx) {
2194            return None;
2195        }
2196
2197        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
2198
2199        Some(
2200            div()
2201                .when(text_thread_view, |this| {
2202                    this.bg(cx.theme().colors().editor_background)
2203                })
2204                .child(self.onboarding.clone()),
2205        )
2206    }
2207
2208    fn render_trial_end_upsell(
2209        &self,
2210        _window: &mut Window,
2211        cx: &mut Context<Self>,
2212    ) -> Option<impl IntoElement> {
2213        if !self.should_render_trial_end_upsell(cx) {
2214            return None;
2215        }
2216
2217        let plan = self.user_store.read(cx).plan()?;
2218
2219        Some(
2220            v_flex()
2221                .absolute()
2222                .inset_0()
2223                .size_full()
2224                .bg(cx.theme().colors().panel_background)
2225                .opacity(0.85)
2226                .block_mouse_except_scroll()
2227                .child(EndTrialUpsell::new(
2228                    plan,
2229                    Arc::new({
2230                        let this = cx.entity();
2231                        move |_, cx| {
2232                            this.update(cx, |_this, cx| {
2233                                TrialEndUpsell::set_dismissed(true, cx);
2234                                cx.notify();
2235                            });
2236                        }
2237                    }),
2238                )),
2239        )
2240    }
2241
2242    fn render_configuration_error(
2243        &self,
2244        border_bottom: bool,
2245        configuration_error: &ConfigurationError,
2246        focus_handle: &FocusHandle,
2247        window: &mut Window,
2248        cx: &mut App,
2249    ) -> impl IntoElement {
2250        let zed_provider_configured = AgentSettings::get_global(cx)
2251            .default_model
2252            .as_ref()
2253            .is_some_and(|selection| selection.provider.0.as_str() == "zed.dev");
2254
2255        let callout = if zed_provider_configured {
2256            Callout::new()
2257                .icon(IconName::Warning)
2258                .severity(Severity::Warning)
2259                .when(border_bottom, |this| {
2260                    this.border_position(ui::BorderPosition::Bottom)
2261                })
2262                .title("Sign in to continue using Zed as your LLM provider.")
2263                .actions_slot(
2264                    Button::new("sign_in", "Sign In")
2265                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2266                        .label_size(LabelSize::Small)
2267                        .on_click({
2268                            let workspace = self.workspace.clone();
2269                            move |_, _, cx| {
2270                                let Ok(client) =
2271                                    workspace.update(cx, |workspace, _| workspace.client().clone())
2272                                else {
2273                                    return;
2274                                };
2275
2276                                cx.spawn(async move |cx| {
2277                                    client.sign_in_with_optional_connect(true, cx).await
2278                                })
2279                                .detach_and_log_err(cx);
2280                            }
2281                        }),
2282                )
2283        } else {
2284            Callout::new()
2285                .icon(IconName::Warning)
2286                .severity(Severity::Warning)
2287                .when(border_bottom, |this| {
2288                    this.border_position(ui::BorderPosition::Bottom)
2289                })
2290                .title(configuration_error.to_string())
2291                .actions_slot(
2292                    Button::new("settings", "Configure")
2293                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
2294                        .label_size(LabelSize::Small)
2295                        .key_binding(
2296                            KeyBinding::for_action_in(&OpenSettings, focus_handle, window, cx)
2297                                .map(|kb| kb.size(rems_from_px(12.))),
2298                        )
2299                        .on_click(|_event, window, cx| {
2300                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
2301                        }),
2302                )
2303        };
2304
2305        match configuration_error {
2306            ConfigurationError::ModelNotFound
2307            | ConfigurationError::ProviderNotAuthenticated(_)
2308            | ConfigurationError::NoProvider => callout.into_any_element(),
2309        }
2310    }
2311
2312    fn render_prompt_editor(
2313        &self,
2314        context_editor: &Entity<TextThreadEditor>,
2315        buffer_search_bar: &Entity<BufferSearchBar>,
2316        window: &mut Window,
2317        cx: &mut Context<Self>,
2318    ) -> Div {
2319        let mut registrar = buffer_search::DivRegistrar::new(
2320            |this, _, _cx| match &this.active_view {
2321                ActiveView::TextThread {
2322                    buffer_search_bar, ..
2323                } => Some(buffer_search_bar.clone()),
2324                _ => None,
2325            },
2326            cx,
2327        );
2328        BufferSearchBar::register(&mut registrar);
2329        registrar
2330            .into_div()
2331            .size_full()
2332            .relative()
2333            .map(|parent| {
2334                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
2335                    if buffer_search_bar.is_dismissed() {
2336                        return parent;
2337                    }
2338                    parent.child(
2339                        div()
2340                            .p(DynamicSpacing::Base08.rems(cx))
2341                            .border_b_1()
2342                            .border_color(cx.theme().colors().border_variant)
2343                            .bg(cx.theme().colors().editor_background)
2344                            .child(buffer_search_bar.render(window, cx)),
2345                    )
2346                })
2347            })
2348            .child(context_editor.clone())
2349            .child(self.render_drag_target(cx))
2350    }
2351
2352    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
2353        let is_local = self.project.read(cx).is_local();
2354        div()
2355            .invisible()
2356            .absolute()
2357            .top_0()
2358            .right_0()
2359            .bottom_0()
2360            .left_0()
2361            .bg(cx.theme().colors().drop_target_background)
2362            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
2363            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
2364            .when(is_local, |this| {
2365                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
2366            })
2367            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
2368                let item = tab.pane.read(cx).item_for_index(tab.ix);
2369                let project_paths = item
2370                    .and_then(|item| item.project_path(cx))
2371                    .into_iter()
2372                    .collect::<Vec<_>>();
2373                this.handle_drop(project_paths, vec![], window, cx);
2374            }))
2375            .on_drop(
2376                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
2377                    let project_paths = selection
2378                        .items()
2379                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
2380                        .collect::<Vec<_>>();
2381                    this.handle_drop(project_paths, vec![], window, cx);
2382                }),
2383            )
2384            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
2385                let tasks = paths
2386                    .paths()
2387                    .iter()
2388                    .map(|path| {
2389                        Workspace::project_path_for_path(this.project.clone(), path, false, cx)
2390                    })
2391                    .collect::<Vec<_>>();
2392                cx.spawn_in(window, async move |this, cx| {
2393                    let mut paths = vec![];
2394                    let mut added_worktrees = vec![];
2395                    let opened_paths = futures::future::join_all(tasks).await;
2396                    for entry in opened_paths {
2397                        if let Some((worktree, project_path)) = entry.log_err() {
2398                            added_worktrees.push(worktree);
2399                            paths.push(project_path);
2400                        }
2401                    }
2402                    this.update_in(cx, |this, window, cx| {
2403                        this.handle_drop(paths, added_worktrees, window, cx);
2404                    })
2405                    .ok();
2406                })
2407                .detach();
2408            }))
2409    }
2410
2411    fn handle_drop(
2412        &mut self,
2413        paths: Vec<ProjectPath>,
2414        added_worktrees: Vec<Entity<Worktree>>,
2415        window: &mut Window,
2416        cx: &mut Context<Self>,
2417    ) {
2418        match &self.active_view {
2419            ActiveView::ExternalAgentThread { thread_view } => {
2420                thread_view.update(cx, |thread_view, cx| {
2421                    thread_view.insert_dragged_files(paths, added_worktrees, window, cx);
2422                });
2423            }
2424            ActiveView::TextThread { context_editor, .. } => {
2425                context_editor.update(cx, |context_editor, cx| {
2426                    TextThreadEditor::insert_dragged_files(
2427                        context_editor,
2428                        paths,
2429                        added_worktrees,
2430                        window,
2431                        cx,
2432                    );
2433                });
2434            }
2435            ActiveView::History | ActiveView::Configuration => {}
2436        }
2437    }
2438
2439    fn key_context(&self) -> KeyContext {
2440        let mut key_context = KeyContext::new_with_defaults();
2441        key_context.add("AgentPanel");
2442        match &self.active_view {
2443            ActiveView::ExternalAgentThread { .. } => key_context.add("external_agent_thread"),
2444            ActiveView::TextThread { .. } => key_context.add("prompt_editor"),
2445            ActiveView::History | ActiveView::Configuration => {}
2446        }
2447        key_context
2448    }
2449}
2450
2451impl Render for AgentPanel {
2452    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2453        // WARNING: Changes to this element hierarchy can have
2454        // non-obvious implications to the layout of children.
2455        //
2456        // If you need to change it, please confirm:
2457        // - The message editor expands (cmd-option-esc) correctly
2458        // - When expanded, the buttons at the bottom of the panel are displayed correctly
2459        // - Font size works as expected and can be changed with cmd-+/cmd-
2460        // - Scrolling in all views works as expected
2461        // - Files can be dropped into the panel
2462        let content = v_flex()
2463            .relative()
2464            .size_full()
2465            .justify_between()
2466            .key_context(self.key_context())
2467            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
2468                this.new_thread(action, window, cx);
2469            }))
2470            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
2471                this.open_history(window, cx);
2472            }))
2473            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
2474                this.open_configuration(window, cx);
2475            }))
2476            .on_action(cx.listener(Self::open_active_thread_as_markdown))
2477            .on_action(cx.listener(Self::deploy_rules_library))
2478            .on_action(cx.listener(Self::go_back))
2479            .on_action(cx.listener(Self::toggle_navigation_menu))
2480            .on_action(cx.listener(Self::toggle_options_menu))
2481            .on_action(cx.listener(Self::increase_font_size))
2482            .on_action(cx.listener(Self::decrease_font_size))
2483            .on_action(cx.listener(Self::reset_font_size))
2484            .on_action(cx.listener(Self::toggle_zoom))
2485            .on_action(cx.listener(|this, _: &ReauthenticateAgent, window, cx| {
2486                if let Some(thread_view) = this.active_thread_view() {
2487                    thread_view.update(cx, |thread_view, cx| thread_view.reauthenticate(window, cx))
2488                }
2489            }))
2490            .child(self.render_toolbar(window, cx))
2491            .children(self.render_onboarding(window, cx))
2492            .map(|parent| match &self.active_view {
2493                ActiveView::ExternalAgentThread { thread_view, .. } => parent
2494                    .child(thread_view.clone())
2495                    .child(self.render_drag_target(cx)),
2496                ActiveView::History => parent.child(self.acp_history.clone()),
2497                ActiveView::TextThread {
2498                    context_editor,
2499                    buffer_search_bar,
2500                    ..
2501                } => {
2502                    let model_registry = LanguageModelRegistry::read_global(cx);
2503                    let configuration_error =
2504                        model_registry.configuration_error(model_registry.default_model(), cx);
2505                    parent
2506                        .map(|this| {
2507                            if !self.should_render_onboarding(cx)
2508                                && let Some(err) = configuration_error.as_ref()
2509                            {
2510                                this.child(self.render_configuration_error(
2511                                    true,
2512                                    err,
2513                                    &self.focus_handle(cx),
2514                                    window,
2515                                    cx,
2516                                ))
2517                            } else {
2518                                this
2519                            }
2520                        })
2521                        .child(self.render_prompt_editor(
2522                            context_editor,
2523                            buffer_search_bar,
2524                            window,
2525                            cx,
2526                        ))
2527                }
2528                ActiveView::Configuration => parent.children(self.configuration.clone()),
2529            })
2530            .children(self.render_trial_end_upsell(window, cx));
2531
2532        match self.active_view.which_font_size_used() {
2533            WhichFontSize::AgentFont => {
2534                WithRemSize::new(ThemeSettings::get_global(cx).agent_ui_font_size(cx))
2535                    .size_full()
2536                    .child(content)
2537                    .into_any()
2538            }
2539            _ => content.into_any(),
2540        }
2541    }
2542}
2543
2544struct PromptLibraryInlineAssist {
2545    workspace: WeakEntity<Workspace>,
2546}
2547
2548impl PromptLibraryInlineAssist {
2549    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
2550        Self { workspace }
2551    }
2552}
2553
2554impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
2555    fn assist(
2556        &self,
2557        prompt_editor: &Entity<Editor>,
2558        initial_prompt: Option<String>,
2559        window: &mut Window,
2560        cx: &mut Context<RulesLibrary>,
2561    ) {
2562        InlineAssistant::update_global(cx, |assistant, cx| {
2563            let Some(project) = self
2564                .workspace
2565                .upgrade()
2566                .map(|workspace| workspace.read(cx).project().downgrade())
2567            else {
2568                return;
2569            };
2570            let prompt_store = None;
2571            let thread_store = None;
2572            let text_thread_store = None;
2573            let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
2574            assistant.assist(
2575                prompt_editor,
2576                self.workspace.clone(),
2577                context_store,
2578                project,
2579                prompt_store,
2580                thread_store,
2581                text_thread_store,
2582                initial_prompt,
2583                window,
2584                cx,
2585            )
2586        })
2587    }
2588
2589    fn focus_agent_panel(
2590        &self,
2591        workspace: &mut Workspace,
2592        window: &mut Window,
2593        cx: &mut Context<Workspace>,
2594    ) -> bool {
2595        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
2596    }
2597}
2598
2599pub struct ConcreteAssistantPanelDelegate;
2600
2601impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
2602    fn active_context_editor(
2603        &self,
2604        workspace: &mut Workspace,
2605        _window: &mut Window,
2606        cx: &mut Context<Workspace>,
2607    ) -> Option<Entity<TextThreadEditor>> {
2608        let panel = workspace.panel::<AgentPanel>(cx)?;
2609        panel.read(cx).active_context_editor()
2610    }
2611
2612    fn open_saved_context(
2613        &self,
2614        workspace: &mut Workspace,
2615        path: Arc<Path>,
2616        window: &mut Window,
2617        cx: &mut Context<Workspace>,
2618    ) -> Task<Result<()>> {
2619        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
2620            return Task::ready(Err(anyhow!("Agent panel not found")));
2621        };
2622
2623        panel.update(cx, |panel, cx| {
2624            panel.open_saved_prompt_editor(path, window, cx)
2625        })
2626    }
2627
2628    fn open_remote_context(
2629        &self,
2630        _workspace: &mut Workspace,
2631        _context_id: assistant_context::ContextId,
2632        _window: &mut Window,
2633        _cx: &mut Context<Workspace>,
2634    ) -> Task<Result<Entity<TextThreadEditor>>> {
2635        Task::ready(Err(anyhow!("opening remote context not implemented")))
2636    }
2637
2638    fn quote_selection(
2639        &self,
2640        workspace: &mut Workspace,
2641        selection_ranges: Vec<Range<Anchor>>,
2642        buffer: Entity<MultiBuffer>,
2643        window: &mut Window,
2644        cx: &mut Context<Workspace>,
2645    ) {
2646        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
2647            return;
2648        };
2649
2650        if !panel.focus_handle(cx).contains_focused(window, cx) {
2651            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
2652        }
2653
2654        panel.update(cx, |_, cx| {
2655            // Wait to create a new context until the workspace is no longer
2656            // being updated.
2657            cx.defer_in(window, move |panel, window, cx| {
2658                if let Some(thread_view) = panel.active_thread_view() {
2659                    thread_view.update(cx, |thread_view, cx| {
2660                        thread_view.insert_selections(window, cx);
2661                    });
2662                } else if let Some(context_editor) = panel.active_context_editor() {
2663                    let snapshot = buffer.read(cx).snapshot(cx);
2664                    let selection_ranges = selection_ranges
2665                        .into_iter()
2666                        .map(|range| range.to_point(&snapshot))
2667                        .collect::<Vec<_>>();
2668
2669                    context_editor.update(cx, |context_editor, cx| {
2670                        context_editor.quote_ranges(selection_ranges, snapshot, window, cx)
2671                    });
2672                }
2673            });
2674        });
2675    }
2676}
2677
2678struct OnboardingUpsell;
2679
2680impl Dismissable for OnboardingUpsell {
2681    const KEY: &'static str = "dismissed-trial-upsell";
2682}
2683
2684struct TrialEndUpsell;
2685
2686impl Dismissable for TrialEndUpsell {
2687    const KEY: &'static str = "dismissed-trial-end-upsell";
2688}