agent_panel.rs

   1use std::ops::{Not, Range};
   2use std::path::Path;
   3use std::rc::Rc;
   4use std::sync::Arc;
   5use std::time::Duration;
   6
   7use acp_thread::AcpThread;
   8use agent_servers::AgentServerCommand;
   9use agent2::{DbThreadMetadata, HistoryEntry};
  10use db::kvp::{Dismissable, KEY_VALUE_STORE};
  11use serde::{Deserialize, Serialize};
  12use zed_actions::OpenBrowser;
  13use zed_actions::agent::ReauthenticateAgent;
  14
  15use crate::acp::{AcpThreadHistory, ThreadHistoryEvent};
  16use crate::agent_diff::AgentDiffThread;
  17use crate::ui::AcpOnboardingModal;
  18use crate::{
  19    AddContextServer, AgentDiffPane, ContinueThread, ContinueWithBurnMode,
  20    DeleteRecentlyOpenThread, ExpandMessageEditor, Follow, InlineAssistant, NewTextThread,
  21    NewThread, OpenActiveThreadAsMarkdown, OpenAgentDiff, OpenHistory, ResetTrialEndUpsell,
  22    ResetTrialUpsell, ToggleBurnMode, ToggleContextPicker, ToggleNavigationMenu,
  23    ToggleNewThreadMenu, ToggleOptionsMenu,
  24    acp::AcpThreadView,
  25    active_thread::{self, ActiveThread, ActiveThreadEvent},
  26    agent_configuration::{AgentConfiguration, AssistantConfigurationEvent},
  27    agent_diff::AgentDiff,
  28    message_editor::{MessageEditor, MessageEditorEvent},
  29    slash_command::SlashCommandCompletionProvider,
  30    text_thread_editor::{
  31        AgentPanelDelegate, TextThreadEditor, humanize_token_count, make_lsp_adapter_delegate,
  32    },
  33    thread_history::{HistoryEntryElement, ThreadHistory},
  34    ui::{AgentOnboardingModal, EndTrialUpsell},
  35};
  36use crate::{ExternalAgent, NewExternalAgentThread, NewNativeAgentThreadFromSummary};
  37use agent::{
  38    Thread, ThreadError, ThreadEvent, ThreadId, ThreadSummary, TokenUsageRatio,
  39    context_store::ContextStore,
  40    history_store::{HistoryEntryId, HistoryStore},
  41    thread_store::{TextThreadStore, ThreadStore},
  42};
  43use agent_settings::{AgentDockPosition, AgentSettings, CompletionMode, DefaultView};
  44use ai_onboarding::AgentPanelOnboarding;
  45use anyhow::{Result, anyhow};
  46use assistant_context::{AssistantContext, ContextEvent, ContextSummary};
  47use assistant_slash_command::SlashCommandWorkingSet;
  48use assistant_tool::ToolWorkingSet;
  49use client::{UserStore, zed_urls};
  50use cloud_llm_client::{CompletionIntent, Plan, UsageLimit};
  51use editor::{Anchor, AnchorRangeExt as _, Editor, EditorEvent, MultiBuffer};
  52use feature_flags::{self, ClaudeCodeFeatureFlag, FeatureFlagAppExt, GeminiAndNativeFeatureFlag};
  53use fs::Fs;
  54use gpui::{
  55    Action, Animation, AnimationExt as _, AnyElement, App, AsyncWindowContext, ClipboardItem,
  56    Corner, DismissEvent, Entity, EventEmitter, ExternalPaths, FocusHandle, Focusable, KeyContext,
  57    Pixels, Subscription, Task, UpdateGlobal, WeakEntity, prelude::*, pulsating_between,
  58};
  59use language::LanguageRegistry;
  60use language_model::{ConfigurationError, ConfiguredModel, LanguageModelRegistry};
  61use project::{DisableAiSettings, Project, ProjectPath, Worktree};
  62use prompt_store::{PromptBuilder, PromptStore, UserPromptId};
  63use rules_library::{RulesLibrary, open_rules_library};
  64use search::{BufferSearchBar, buffer_search};
  65use settings::{Settings, update_settings_file};
  66use theme::ThemeSettings;
  67use time::UtcOffset;
  68use ui::utils::WithRemSize;
  69use ui::{
  70    Banner, Callout, ContextMenu, ContextMenuEntry, ElevationIndex, KeyBinding, PopoverMenu,
  71    PopoverMenuHandle, ProgressBar, Tab, Tooltip, prelude::*,
  72};
  73use util::ResultExt as _;
  74use workspace::{
  75    CollaboratorId, DraggedSelection, DraggedTab, ToggleZoom, ToolbarItemView, Workspace,
  76    dock::{DockPosition, Panel, PanelEvent},
  77};
  78use zed_actions::{
  79    DecreaseBufferFontSize, IncreaseBufferFontSize, ResetBufferFontSize,
  80    agent::{
  81        OpenAcpOnboardingModal, OpenOnboardingModal, OpenSettings, ResetOnboarding,
  82        ToggleModelSelector,
  83    },
  84    assistant::{OpenRulesLibrary, ToggleFocus},
  85};
  86
  87const AGENT_PANEL_KEY: &str = "agent_panel";
  88
  89#[derive(Serialize, Deserialize, Debug)]
  90struct SerializedAgentPanel {
  91    width: Option<Pixels>,
  92    selected_agent: Option<AgentType>,
  93}
  94
  95pub fn init(cx: &mut App) {
  96    cx.observe_new(
  97        |workspace: &mut Workspace, _window, _cx: &mut Context<Workspace>| {
  98            workspace
  99                .register_action(|workspace, action: &NewThread, window, cx| {
 100                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 101                        panel.update(cx, |panel, cx| panel.new_thread(action, window, cx));
 102                        workspace.focus_panel::<AgentPanel>(window, cx);
 103                    }
 104                })
 105                .register_action(
 106                    |workspace, action: &NewNativeAgentThreadFromSummary, window, cx| {
 107                        if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 108                            panel.update(cx, |panel, cx| {
 109                                panel.new_native_agent_thread_from_summary(action, window, cx)
 110                            });
 111                            workspace.focus_panel::<AgentPanel>(window, cx);
 112                        }
 113                    },
 114                )
 115                .register_action(|workspace, _: &OpenHistory, window, cx| {
 116                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 117                        workspace.focus_panel::<AgentPanel>(window, cx);
 118                        panel.update(cx, |panel, cx| panel.open_history(window, cx));
 119                    }
 120                })
 121                .register_action(|workspace, _: &OpenSettings, window, cx| {
 122                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 123                        workspace.focus_panel::<AgentPanel>(window, cx);
 124                        panel.update(cx, |panel, cx| panel.open_configuration(window, cx));
 125                    }
 126                })
 127                .register_action(|workspace, _: &NewTextThread, window, cx| {
 128                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 129                        workspace.focus_panel::<AgentPanel>(window, cx);
 130                        panel.update(cx, |panel, cx| panel.new_prompt_editor(window, cx));
 131                    }
 132                })
 133                .register_action(|workspace, action: &NewExternalAgentThread, window, cx| {
 134                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 135                        workspace.focus_panel::<AgentPanel>(window, cx);
 136                        panel.update(cx, |panel, cx| {
 137                            panel.external_thread(action.agent.clone(), None, None, window, cx)
 138                        });
 139                    }
 140                })
 141                .register_action(|workspace, action: &OpenRulesLibrary, window, cx| {
 142                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 143                        workspace.focus_panel::<AgentPanel>(window, cx);
 144                        panel.update(cx, |panel, cx| {
 145                            panel.deploy_rules_library(action, window, cx)
 146                        });
 147                    }
 148                })
 149                .register_action(|workspace, _: &OpenAgentDiff, window, cx| {
 150                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 151                        workspace.focus_panel::<AgentPanel>(window, cx);
 152                        match &panel.read(cx).active_view {
 153                            ActiveView::Thread { thread, .. } => {
 154                                let thread = thread.read(cx).thread().clone();
 155                                AgentDiffPane::deploy_in_workspace(thread, workspace, window, cx);
 156                            }
 157                            ActiveView::ExternalAgentThread { .. }
 158                            | ActiveView::TextThread { .. }
 159                            | ActiveView::History
 160                            | ActiveView::Configuration => {}
 161                        }
 162                    }
 163                })
 164                .register_action(|workspace, _: &Follow, window, cx| {
 165                    workspace.follow(CollaboratorId::Agent, window, cx);
 166                })
 167                .register_action(|workspace, _: &ExpandMessageEditor, window, cx| {
 168                    let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
 169                        return;
 170                    };
 171                    workspace.focus_panel::<AgentPanel>(window, cx);
 172                    panel.update(cx, |panel, cx| {
 173                        if let Some(message_editor) = panel.active_message_editor() {
 174                            message_editor.update(cx, |editor, cx| {
 175                                editor.expand_message_editor(&ExpandMessageEditor, window, cx);
 176                            });
 177                        }
 178                    });
 179                })
 180                .register_action(|workspace, _: &ToggleNavigationMenu, window, cx| {
 181                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 182                        workspace.focus_panel::<AgentPanel>(window, cx);
 183                        panel.update(cx, |panel, cx| {
 184                            panel.toggle_navigation_menu(&ToggleNavigationMenu, window, cx);
 185                        });
 186                    }
 187                })
 188                .register_action(|workspace, _: &ToggleOptionsMenu, window, cx| {
 189                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 190                        workspace.focus_panel::<AgentPanel>(window, cx);
 191                        panel.update(cx, |panel, cx| {
 192                            panel.toggle_options_menu(&ToggleOptionsMenu, window, cx);
 193                        });
 194                    }
 195                })
 196                .register_action(|workspace, _: &ToggleNewThreadMenu, window, cx| {
 197                    if let Some(panel) = workspace.panel::<AgentPanel>(cx) {
 198                        workspace.focus_panel::<AgentPanel>(window, cx);
 199                        panel.update(cx, |panel, cx| {
 200                            panel.toggle_new_thread_menu(&ToggleNewThreadMenu, window, cx);
 201                        });
 202                    }
 203                })
 204                .register_action(|workspace, _: &OpenOnboardingModal, window, cx| {
 205                    AgentOnboardingModal::toggle(workspace, window, cx)
 206                })
 207                .register_action(|workspace, _: &OpenAcpOnboardingModal, window, cx| {
 208                    AcpOnboardingModal::toggle(workspace, window, cx)
 209                })
 210                .register_action(|_workspace, _: &ResetOnboarding, window, cx| {
 211                    window.dispatch_action(workspace::RestoreBanner.boxed_clone(), cx);
 212                    window.refresh();
 213                })
 214                .register_action(|_workspace, _: &ResetTrialUpsell, _window, cx| {
 215                    OnboardingUpsell::set_dismissed(false, cx);
 216                })
 217                .register_action(|_workspace, _: &ResetTrialEndUpsell, _window, cx| {
 218                    TrialEndUpsell::set_dismissed(false, cx);
 219                });
 220        },
 221    )
 222    .detach();
 223}
 224
 225enum ActiveView {
 226    Thread {
 227        thread: Entity<ActiveThread>,
 228        change_title_editor: Entity<Editor>,
 229        message_editor: Entity<MessageEditor>,
 230        _subscriptions: Vec<gpui::Subscription>,
 231    },
 232    ExternalAgentThread {
 233        thread_view: Entity<AcpThreadView>,
 234    },
 235    TextThread {
 236        context_editor: Entity<TextThreadEditor>,
 237        title_editor: Entity<Editor>,
 238        buffer_search_bar: Entity<BufferSearchBar>,
 239        _subscriptions: Vec<gpui::Subscription>,
 240    },
 241    History,
 242    Configuration,
 243}
 244
 245enum WhichFontSize {
 246    AgentFont,
 247    BufferFont,
 248    None,
 249}
 250
 251// TODO unify this with ExternalAgent
 252#[derive(Debug, Default, Clone, PartialEq, Serialize, Deserialize)]
 253pub enum AgentType {
 254    #[default]
 255    Zed,
 256    TextThread,
 257    Gemini,
 258    ClaudeCode,
 259    NativeAgent,
 260    Custom {
 261        name: SharedString,
 262        command: AgentServerCommand,
 263    },
 264}
 265
 266impl AgentType {
 267    fn label(&self) -> SharedString {
 268        match self {
 269            Self::Zed | Self::TextThread => "Zed Agent".into(),
 270            Self::NativeAgent => "Agent 2".into(),
 271            Self::Gemini => "Gemini CLI".into(),
 272            Self::ClaudeCode => "Claude Code".into(),
 273            Self::Custom { name, .. } => name.into(),
 274        }
 275    }
 276
 277    fn icon(&self) -> Option<IconName> {
 278        match self {
 279            Self::Zed | Self::NativeAgent | Self::TextThread => None,
 280            Self::Gemini => Some(IconName::AiGemini),
 281            Self::ClaudeCode => Some(IconName::AiClaude),
 282            Self::Custom { .. } => Some(IconName::Terminal),
 283        }
 284    }
 285}
 286
 287impl From<ExternalAgent> for AgentType {
 288    fn from(value: ExternalAgent) -> Self {
 289        match value {
 290            ExternalAgent::Gemini => Self::Gemini,
 291            ExternalAgent::ClaudeCode => Self::ClaudeCode,
 292            ExternalAgent::Custom { name, command } => Self::Custom { name, command },
 293            ExternalAgent::NativeAgent => Self::NativeAgent,
 294        }
 295    }
 296}
 297
 298impl ActiveView {
 299    pub fn which_font_size_used(&self) -> WhichFontSize {
 300        match self {
 301            ActiveView::Thread { .. }
 302            | ActiveView::ExternalAgentThread { .. }
 303            | ActiveView::History => WhichFontSize::AgentFont,
 304            ActiveView::TextThread { .. } => WhichFontSize::BufferFont,
 305            ActiveView::Configuration => WhichFontSize::None,
 306        }
 307    }
 308
 309    pub fn thread(
 310        active_thread: Entity<ActiveThread>,
 311        message_editor: Entity<MessageEditor>,
 312        window: &mut Window,
 313        cx: &mut Context<AgentPanel>,
 314    ) -> Self {
 315        let summary = active_thread.read(cx).summary(cx).or_default();
 316
 317        let editor = cx.new(|cx| {
 318            let mut editor = Editor::single_line(window, cx);
 319            editor.set_text(summary.clone(), window, cx);
 320            editor
 321        });
 322
 323        let subscriptions = vec![
 324            cx.subscribe(&message_editor, |this, _, event, cx| match event {
 325                MessageEditorEvent::Changed | MessageEditorEvent::EstimatedTokenCount => {
 326                    cx.notify();
 327                }
 328                MessageEditorEvent::ScrollThreadToBottom => match &this.active_view {
 329                    ActiveView::Thread { thread, .. } => {
 330                        thread.update(cx, |thread, cx| {
 331                            thread.scroll_to_bottom(cx);
 332                        });
 333                    }
 334                    ActiveView::ExternalAgentThread { .. } => {}
 335                    ActiveView::TextThread { .. }
 336                    | ActiveView::History
 337                    | ActiveView::Configuration => {}
 338                },
 339            }),
 340            window.subscribe(&editor, cx, {
 341                {
 342                    let thread = active_thread.clone();
 343                    move |editor, event, window, cx| match event {
 344                        EditorEvent::BufferEdited => {
 345                            let new_summary = editor.read(cx).text(cx);
 346
 347                            thread.update(cx, |thread, cx| {
 348                                thread.thread().update(cx, |thread, cx| {
 349                                    thread.set_summary(new_summary, cx);
 350                                });
 351                            })
 352                        }
 353                        EditorEvent::Blurred => {
 354                            if editor.read(cx).text(cx).is_empty() {
 355                                let summary = thread.read(cx).summary(cx).or_default();
 356
 357                                editor.update(cx, |editor, cx| {
 358                                    editor.set_text(summary, window, cx);
 359                                });
 360                            }
 361                        }
 362                        _ => {}
 363                    }
 364                }
 365            }),
 366            cx.subscribe(&active_thread, |_, _, event, cx| match &event {
 367                ActiveThreadEvent::EditingMessageTokenCountChanged => {
 368                    cx.notify();
 369                }
 370            }),
 371            cx.subscribe_in(&active_thread.read(cx).thread().clone(), window, {
 372                let editor = editor.clone();
 373                move |_, thread, event, window, cx| match event {
 374                    ThreadEvent::SummaryGenerated => {
 375                        let summary = thread.read(cx).summary().or_default();
 376
 377                        editor.update(cx, |editor, cx| {
 378                            editor.set_text(summary, window, cx);
 379                        })
 380                    }
 381                    ThreadEvent::MessageAdded(_) => {
 382                        cx.notify();
 383                    }
 384                    _ => {}
 385                }
 386            }),
 387        ];
 388
 389        Self::Thread {
 390            change_title_editor: editor,
 391            thread: active_thread,
 392            message_editor,
 393            _subscriptions: subscriptions,
 394        }
 395    }
 396
 397    pub fn prompt_editor(
 398        context_editor: Entity<TextThreadEditor>,
 399        history_store: Entity<HistoryStore>,
 400        acp_history_store: Entity<agent2::HistoryStore>,
 401        language_registry: Arc<LanguageRegistry>,
 402        window: &mut Window,
 403        cx: &mut App,
 404    ) -> Self {
 405        let title = context_editor.read(cx).title(cx).to_string();
 406
 407        let editor = cx.new(|cx| {
 408            let mut editor = Editor::single_line(window, cx);
 409            editor.set_text(title, window, cx);
 410            editor
 411        });
 412
 413        // This is a workaround for `editor.set_text` emitting a `BufferEdited` event, which would
 414        // cause a custom summary to be set. The presence of this custom summary would cause
 415        // summarization to not happen.
 416        let mut suppress_first_edit = true;
 417
 418        let subscriptions = vec![
 419            window.subscribe(&editor, cx, {
 420                {
 421                    let context_editor = context_editor.clone();
 422                    move |editor, event, window, cx| match event {
 423                        EditorEvent::BufferEdited => {
 424                            if suppress_first_edit {
 425                                suppress_first_edit = false;
 426                                return;
 427                            }
 428                            let new_summary = editor.read(cx).text(cx);
 429
 430                            context_editor.update(cx, |context_editor, cx| {
 431                                context_editor
 432                                    .context()
 433                                    .update(cx, |assistant_context, cx| {
 434                                        assistant_context.set_custom_summary(new_summary, cx);
 435                                    })
 436                            })
 437                        }
 438                        EditorEvent::Blurred => {
 439                            if editor.read(cx).text(cx).is_empty() {
 440                                let summary = context_editor
 441                                    .read(cx)
 442                                    .context()
 443                                    .read(cx)
 444                                    .summary()
 445                                    .or_default();
 446
 447                                editor.update(cx, |editor, cx| {
 448                                    editor.set_text(summary, window, cx);
 449                                });
 450                            }
 451                        }
 452                        _ => {}
 453                    }
 454                }
 455            }),
 456            window.subscribe(&context_editor.read(cx).context().clone(), cx, {
 457                let editor = editor.clone();
 458                move |assistant_context, event, window, cx| match event {
 459                    ContextEvent::SummaryGenerated => {
 460                        let summary = assistant_context.read(cx).summary().or_default();
 461
 462                        editor.update(cx, |editor, cx| {
 463                            editor.set_text(summary, window, cx);
 464                        })
 465                    }
 466                    ContextEvent::PathChanged { old_path, new_path } => {
 467                        history_store.update(cx, |history_store, cx| {
 468                            if let Some(old_path) = old_path {
 469                                history_store
 470                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 471                            } else {
 472                                history_store.push_recently_opened_entry(
 473                                    HistoryEntryId::Context(new_path.clone()),
 474                                    cx,
 475                                );
 476                            }
 477                        });
 478
 479                        acp_history_store.update(cx, |history_store, cx| {
 480                            if let Some(old_path) = old_path {
 481                                history_store
 482                                    .replace_recently_opened_text_thread(old_path, new_path, cx);
 483                            } else {
 484                                history_store.push_recently_opened_entry(
 485                                    agent2::HistoryEntryId::TextThread(new_path.clone()),
 486                                    cx,
 487                                );
 488                            }
 489                        });
 490                    }
 491                    _ => {}
 492                }
 493            }),
 494        ];
 495
 496        let buffer_search_bar =
 497            cx.new(|cx| BufferSearchBar::new(Some(language_registry), window, cx));
 498        buffer_search_bar.update(cx, |buffer_search_bar, cx| {
 499            buffer_search_bar.set_active_pane_item(Some(&context_editor), window, cx)
 500        });
 501
 502        Self::TextThread {
 503            context_editor,
 504            title_editor: editor,
 505            buffer_search_bar,
 506            _subscriptions: subscriptions,
 507        }
 508    }
 509}
 510
 511pub struct AgentPanel {
 512    workspace: WeakEntity<Workspace>,
 513    user_store: Entity<UserStore>,
 514    project: Entity<Project>,
 515    fs: Arc<dyn Fs>,
 516    language_registry: Arc<LanguageRegistry>,
 517    thread_store: Entity<ThreadStore>,
 518    acp_history: Entity<AcpThreadHistory>,
 519    acp_history_store: Entity<agent2::HistoryStore>,
 520    _default_model_subscription: Subscription,
 521    context_store: Entity<TextThreadStore>,
 522    prompt_store: Option<Entity<PromptStore>>,
 523    inline_assist_context_store: Entity<ContextStore>,
 524    configuration: Option<Entity<AgentConfiguration>>,
 525    configuration_subscription: Option<Subscription>,
 526    local_timezone: UtcOffset,
 527    active_view: ActiveView,
 528    previous_view: Option<ActiveView>,
 529    history_store: Entity<HistoryStore>,
 530    history: Entity<ThreadHistory>,
 531    hovered_recent_history_item: Option<usize>,
 532    new_thread_menu_handle: PopoverMenuHandle<ContextMenu>,
 533    agent_panel_menu_handle: PopoverMenuHandle<ContextMenu>,
 534    assistant_navigation_menu_handle: PopoverMenuHandle<ContextMenu>,
 535    assistant_navigation_menu: Option<Entity<ContextMenu>>,
 536    width: Option<Pixels>,
 537    height: Option<Pixels>,
 538    zoomed: bool,
 539    pending_serialization: Option<Task<Result<()>>>,
 540    onboarding: Entity<AgentPanelOnboarding>,
 541    selected_agent: AgentType,
 542}
 543
 544impl AgentPanel {
 545    fn serialize(&mut self, cx: &mut Context<Self>) {
 546        let width = self.width;
 547        let selected_agent = self.selected_agent.clone();
 548        self.pending_serialization = Some(cx.background_spawn(async move {
 549            KEY_VALUE_STORE
 550                .write_kvp(
 551                    AGENT_PANEL_KEY.into(),
 552                    serde_json::to_string(&SerializedAgentPanel {
 553                        width,
 554                        selected_agent: Some(selected_agent),
 555                    })?,
 556                )
 557                .await?;
 558            anyhow::Ok(())
 559        }));
 560    }
 561
 562    pub fn load(
 563        workspace: WeakEntity<Workspace>,
 564        prompt_builder: Arc<PromptBuilder>,
 565        mut cx: AsyncWindowContext,
 566    ) -> Task<Result<Entity<Self>>> {
 567        let prompt_store = cx.update(|_window, cx| PromptStore::global(cx));
 568        cx.spawn(async move |cx| {
 569            let prompt_store = match prompt_store {
 570                Ok(prompt_store) => prompt_store.await.ok(),
 571                Err(_) => None,
 572            };
 573            let tools = cx.new(|_| ToolWorkingSet::default())?;
 574            let thread_store = workspace
 575                .update(cx, |workspace, cx| {
 576                    let project = workspace.project().clone();
 577                    ThreadStore::load(
 578                        project,
 579                        tools.clone(),
 580                        prompt_store.clone(),
 581                        prompt_builder.clone(),
 582                        cx,
 583                    )
 584                })?
 585                .await?;
 586
 587            let slash_commands = Arc::new(SlashCommandWorkingSet::default());
 588            let context_store = workspace
 589                .update(cx, |workspace, cx| {
 590                    let project = workspace.project().clone();
 591                    assistant_context::ContextStore::new(
 592                        project,
 593                        prompt_builder.clone(),
 594                        slash_commands,
 595                        cx,
 596                    )
 597                })?
 598                .await?;
 599
 600            let serialized_panel = if let Some(panel) = cx
 601                .background_spawn(async move { KEY_VALUE_STORE.read_kvp(AGENT_PANEL_KEY) })
 602                .await
 603                .log_err()
 604                .flatten()
 605            {
 606                serde_json::from_str::<SerializedAgentPanel>(&panel).log_err()
 607            } else {
 608                None
 609            };
 610
 611            let panel = workspace.update_in(cx, |workspace, window, cx| {
 612                let panel = cx.new(|cx| {
 613                    Self::new(
 614                        workspace,
 615                        thread_store,
 616                        context_store,
 617                        prompt_store,
 618                        window,
 619                        cx,
 620                    )
 621                });
 622                if let Some(serialized_panel) = serialized_panel {
 623                    panel.update(cx, |panel, cx| {
 624                        panel.width = serialized_panel.width.map(|w| w.round());
 625                        if let Some(selected_agent) = serialized_panel.selected_agent {
 626                            panel.selected_agent = selected_agent.clone();
 627                            panel.new_agent_thread(selected_agent, window, cx);
 628                        }
 629                        cx.notify();
 630                    });
 631                } else {
 632                    panel.update(cx, |panel, cx| {
 633                        panel.new_agent_thread(AgentType::NativeAgent, window, cx);
 634                    });
 635                }
 636                panel
 637            })?;
 638
 639            Ok(panel)
 640        })
 641    }
 642
 643    fn new(
 644        workspace: &Workspace,
 645        thread_store: Entity<ThreadStore>,
 646        context_store: Entity<TextThreadStore>,
 647        prompt_store: Option<Entity<PromptStore>>,
 648        window: &mut Window,
 649        cx: &mut Context<Self>,
 650    ) -> Self {
 651        let thread = thread_store.update(cx, |this, cx| this.create_thread(cx));
 652        let fs = workspace.app_state().fs.clone();
 653        let user_store = workspace.app_state().user_store.clone();
 654        let project = workspace.project();
 655        let language_registry = project.read(cx).languages().clone();
 656        let client = workspace.client().clone();
 657        let workspace = workspace.weak_handle();
 658        let weak_self = cx.entity().downgrade();
 659
 660        let message_editor_context_store =
 661            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 662        let inline_assist_context_store =
 663            cx.new(|_cx| ContextStore::new(project.downgrade(), Some(thread_store.downgrade())));
 664
 665        let thread_id = thread.read(cx).id().clone();
 666
 667        let history_store = cx.new(|cx| {
 668            HistoryStore::new(
 669                thread_store.clone(),
 670                context_store.clone(),
 671                [HistoryEntryId::Thread(thread_id)],
 672                cx,
 673            )
 674        });
 675
 676        let message_editor = cx.new(|cx| {
 677            MessageEditor::new(
 678                fs.clone(),
 679                workspace.clone(),
 680                message_editor_context_store.clone(),
 681                prompt_store.clone(),
 682                thread_store.downgrade(),
 683                context_store.downgrade(),
 684                Some(history_store.downgrade()),
 685                thread.clone(),
 686                window,
 687                cx,
 688            )
 689        });
 690
 691        let acp_history_store = cx.new(|cx| agent2::HistoryStore::new(context_store.clone(), cx));
 692        let acp_history = cx.new(|cx| AcpThreadHistory::new(acp_history_store.clone(), window, cx));
 693        cx.subscribe_in(
 694            &acp_history,
 695            window,
 696            |this, _, event, window, cx| match event {
 697                ThreadHistoryEvent::Open(HistoryEntry::AcpThread(thread)) => {
 698                    this.external_thread(
 699                        Some(crate::ExternalAgent::NativeAgent),
 700                        Some(thread.clone()),
 701                        None,
 702                        window,
 703                        cx,
 704                    );
 705                }
 706                ThreadHistoryEvent::Open(HistoryEntry::TextThread(thread)) => {
 707                    this.open_saved_prompt_editor(thread.path.clone(), window, cx)
 708                        .detach_and_log_err(cx);
 709                }
 710            },
 711        )
 712        .detach();
 713
 714        cx.observe(&history_store, |_, _, cx| cx.notify()).detach();
 715
 716        let active_thread = cx.new(|cx| {
 717            ActiveThread::new(
 718                thread.clone(),
 719                thread_store.clone(),
 720                context_store.clone(),
 721                message_editor_context_store.clone(),
 722                language_registry.clone(),
 723                workspace.clone(),
 724                window,
 725                cx,
 726            )
 727        });
 728
 729        let panel_type = AgentSettings::get_global(cx).default_view;
 730        let active_view = match panel_type {
 731            DefaultView::Thread => ActiveView::thread(active_thread, message_editor, window, cx),
 732            DefaultView::TextThread => {
 733                let context =
 734                    context_store.update(cx, |context_store, cx| context_store.create(cx));
 735                let lsp_adapter_delegate = make_lsp_adapter_delegate(&project.clone(), cx).unwrap();
 736                let context_editor = cx.new(|cx| {
 737                    let mut editor = TextThreadEditor::for_context(
 738                        context,
 739                        fs.clone(),
 740                        workspace.clone(),
 741                        project.clone(),
 742                        lsp_adapter_delegate,
 743                        window,
 744                        cx,
 745                    );
 746                    editor.insert_default_prompt(window, cx);
 747                    editor
 748                });
 749                ActiveView::prompt_editor(
 750                    context_editor,
 751                    history_store.clone(),
 752                    acp_history_store.clone(),
 753                    language_registry.clone(),
 754                    window,
 755                    cx,
 756                )
 757            }
 758        };
 759
 760        AgentDiff::set_active_thread(&workspace, thread.clone(), window, cx);
 761
 762        let weak_panel = weak_self.clone();
 763
 764        window.defer(cx, move |window, cx| {
 765            let panel = weak_panel.clone();
 766            let assistant_navigation_menu =
 767                ContextMenu::build_persistent(window, cx, move |mut menu, _window, cx| {
 768                    if let Some(panel) = panel.upgrade() {
 769                        if cx.has_flag::<GeminiAndNativeFeatureFlag>() {
 770                            menu = Self::populate_recently_opened_menu_section_new(menu, panel, cx);
 771                        } else {
 772                            menu = Self::populate_recently_opened_menu_section_old(menu, panel, cx);
 773                        }
 774                    }
 775                    menu.action("View All", Box::new(OpenHistory))
 776                        .end_slot_action(DeleteRecentlyOpenThread.boxed_clone())
 777                        .fixed_width(px(320.).into())
 778                        .keep_open_on_confirm(false)
 779                        .key_context("NavigationMenu")
 780                });
 781            weak_panel
 782                .update(cx, |panel, cx| {
 783                    cx.subscribe_in(
 784                        &assistant_navigation_menu,
 785                        window,
 786                        |_, menu, _: &DismissEvent, window, cx| {
 787                            menu.update(cx, |menu, _| {
 788                                menu.clear_selected();
 789                            });
 790                            cx.focus_self(window);
 791                        },
 792                    )
 793                    .detach();
 794                    panel.assistant_navigation_menu = Some(assistant_navigation_menu);
 795                })
 796                .ok();
 797        });
 798
 799        let _default_model_subscription =
 800            cx.subscribe(
 801                &LanguageModelRegistry::global(cx),
 802                |this, _, event: &language_model::Event, cx| {
 803                    if let language_model::Event::DefaultModelChanged = event {
 804                        match &this.active_view {
 805                            ActiveView::Thread { thread, .. } => {
 806                                thread.read(cx).thread().clone().update(cx, |thread, cx| {
 807                                    thread.get_or_init_configured_model(cx)
 808                                });
 809                            }
 810                            ActiveView::ExternalAgentThread { .. }
 811                            | ActiveView::TextThread { .. }
 812                            | ActiveView::History
 813                            | ActiveView::Configuration => {}
 814                        }
 815                    }
 816                },
 817            );
 818
 819        let onboarding = cx.new(|cx| {
 820            AgentPanelOnboarding::new(
 821                user_store.clone(),
 822                client,
 823                |_window, cx| {
 824                    OnboardingUpsell::set_dismissed(true, cx);
 825                },
 826                cx,
 827            )
 828        });
 829
 830        Self {
 831            active_view,
 832            workspace,
 833            user_store,
 834            project: project.clone(),
 835            fs: fs.clone(),
 836            language_registry,
 837            thread_store: thread_store.clone(),
 838            _default_model_subscription,
 839            context_store,
 840            prompt_store,
 841            configuration: None,
 842            configuration_subscription: None,
 843            local_timezone: UtcOffset::from_whole_seconds(
 844                chrono::Local::now().offset().local_minus_utc(),
 845            )
 846            .unwrap(),
 847            inline_assist_context_store,
 848            previous_view: None,
 849            history_store: history_store.clone(),
 850            history: cx.new(|cx| ThreadHistory::new(weak_self, history_store, window, cx)),
 851            hovered_recent_history_item: None,
 852            new_thread_menu_handle: PopoverMenuHandle::default(),
 853            agent_panel_menu_handle: PopoverMenuHandle::default(),
 854            assistant_navigation_menu_handle: PopoverMenuHandle::default(),
 855            assistant_navigation_menu: None,
 856            width: None,
 857            height: None,
 858            zoomed: false,
 859            pending_serialization: None,
 860            onboarding,
 861            acp_history,
 862            acp_history_store,
 863            selected_agent: AgentType::default(),
 864        }
 865    }
 866
 867    pub fn toggle_focus(
 868        workspace: &mut Workspace,
 869        _: &ToggleFocus,
 870        window: &mut Window,
 871        cx: &mut Context<Workspace>,
 872    ) {
 873        if workspace
 874            .panel::<Self>(cx)
 875            .is_some_and(|panel| panel.read(cx).enabled(cx))
 876            && !DisableAiSettings::get_global(cx).disable_ai
 877        {
 878            workspace.toggle_panel_focus::<Self>(window, cx);
 879        }
 880    }
 881
 882    pub(crate) fn local_timezone(&self) -> UtcOffset {
 883        self.local_timezone
 884    }
 885
 886    pub(crate) fn prompt_store(&self) -> &Option<Entity<PromptStore>> {
 887        &self.prompt_store
 888    }
 889
 890    pub(crate) fn inline_assist_context_store(&self) -> &Entity<ContextStore> {
 891        &self.inline_assist_context_store
 892    }
 893
 894    pub(crate) fn thread_store(&self) -> &Entity<ThreadStore> {
 895        &self.thread_store
 896    }
 897
 898    pub(crate) fn text_thread_store(&self) -> &Entity<TextThreadStore> {
 899        &self.context_store
 900    }
 901
 902    fn cancel(&mut self, _: &editor::actions::Cancel, window: &mut Window, cx: &mut Context<Self>) {
 903        match &self.active_view {
 904            ActiveView::Thread { thread, .. } => {
 905                thread.update(cx, |thread, cx| thread.cancel_last_completion(window, cx));
 906            }
 907            ActiveView::ExternalAgentThread { .. }
 908            | ActiveView::TextThread { .. }
 909            | ActiveView::History
 910            | ActiveView::Configuration => {}
 911        }
 912    }
 913
 914    fn active_message_editor(&self) -> Option<&Entity<MessageEditor>> {
 915        match &self.active_view {
 916            ActiveView::Thread { message_editor, .. } => Some(message_editor),
 917            ActiveView::ExternalAgentThread { .. }
 918            | ActiveView::TextThread { .. }
 919            | ActiveView::History
 920            | ActiveView::Configuration => None,
 921        }
 922    }
 923
 924    fn active_thread_view(&self) -> Option<&Entity<AcpThreadView>> {
 925        match &self.active_view {
 926            ActiveView::ExternalAgentThread { thread_view, .. } => Some(thread_view),
 927            ActiveView::Thread { .. }
 928            | ActiveView::TextThread { .. }
 929            | ActiveView::History
 930            | ActiveView::Configuration => None,
 931        }
 932    }
 933
 934    fn new_thread(&mut self, action: &NewThread, window: &mut Window, cx: &mut Context<Self>) {
 935        if cx.has_flag::<GeminiAndNativeFeatureFlag>() {
 936            return self.new_agent_thread(AgentType::NativeAgent, window, cx);
 937        }
 938        // Preserve chat box text when using creating new thread
 939        let preserved_text = self
 940            .active_message_editor()
 941            .map(|editor| editor.read(cx).get_text(cx).trim().to_string());
 942
 943        let thread = self
 944            .thread_store
 945            .update(cx, |this, cx| this.create_thread(cx));
 946
 947        let context_store = cx.new(|_cx| {
 948            ContextStore::new(
 949                self.project.downgrade(),
 950                Some(self.thread_store.downgrade()),
 951            )
 952        });
 953
 954        if let Some(other_thread_id) = action.from_thread_id.clone() {
 955            let other_thread_task = self.thread_store.update(cx, |this, cx| {
 956                this.open_thread(&other_thread_id, window, cx)
 957            });
 958
 959            cx.spawn({
 960                let context_store = context_store.clone();
 961
 962                async move |_panel, cx| {
 963                    let other_thread = other_thread_task.await?;
 964
 965                    context_store.update(cx, |this, cx| {
 966                        this.add_thread(other_thread, false, cx);
 967                    })?;
 968                    anyhow::Ok(())
 969                }
 970            })
 971            .detach_and_log_err(cx);
 972        }
 973
 974        let active_thread = cx.new(|cx| {
 975            ActiveThread::new(
 976                thread.clone(),
 977                self.thread_store.clone(),
 978                self.context_store.clone(),
 979                context_store.clone(),
 980                self.language_registry.clone(),
 981                self.workspace.clone(),
 982                window,
 983                cx,
 984            )
 985        });
 986
 987        let message_editor = cx.new(|cx| {
 988            MessageEditor::new(
 989                self.fs.clone(),
 990                self.workspace.clone(),
 991                context_store.clone(),
 992                self.prompt_store.clone(),
 993                self.thread_store.downgrade(),
 994                self.context_store.downgrade(),
 995                Some(self.history_store.downgrade()),
 996                thread.clone(),
 997                window,
 998                cx,
 999            )
1000        });
1001
1002        if let Some(text) = preserved_text {
1003            message_editor.update(cx, |editor, cx| {
1004                editor.set_text(text, window, cx);
1005            });
1006        }
1007
1008        message_editor.focus_handle(cx).focus(window);
1009
1010        let thread_view = ActiveView::thread(active_thread, message_editor, window, cx);
1011        self.set_active_view(thread_view, window, cx);
1012
1013        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
1014    }
1015
1016    fn new_native_agent_thread_from_summary(
1017        &mut self,
1018        action: &NewNativeAgentThreadFromSummary,
1019        window: &mut Window,
1020        cx: &mut Context<Self>,
1021    ) {
1022        let Some(thread) = self
1023            .acp_history_store
1024            .read(cx)
1025            .thread_from_session_id(&action.from_session_id)
1026        else {
1027            return;
1028        };
1029
1030        self.external_thread(
1031            Some(ExternalAgent::NativeAgent),
1032            None,
1033            Some(thread.clone()),
1034            window,
1035            cx,
1036        );
1037    }
1038
1039    fn new_prompt_editor(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1040        telemetry::event!("Agent Thread Started", agent = "zed-text");
1041
1042        let context = self
1043            .context_store
1044            .update(cx, |context_store, cx| context_store.create(cx));
1045        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project, cx)
1046            .log_err()
1047            .flatten();
1048
1049        let context_editor = cx.new(|cx| {
1050            let mut editor = TextThreadEditor::for_context(
1051                context,
1052                self.fs.clone(),
1053                self.workspace.clone(),
1054                self.project.clone(),
1055                lsp_adapter_delegate,
1056                window,
1057                cx,
1058            );
1059            editor.insert_default_prompt(window, cx);
1060            editor
1061        });
1062
1063        if self.selected_agent != AgentType::TextThread {
1064            self.selected_agent = AgentType::TextThread;
1065            self.serialize(cx);
1066        }
1067
1068        self.set_active_view(
1069            ActiveView::prompt_editor(
1070                context_editor.clone(),
1071                self.history_store.clone(),
1072                self.acp_history_store.clone(),
1073                self.language_registry.clone(),
1074                window,
1075                cx,
1076            ),
1077            window,
1078            cx,
1079        );
1080        context_editor.focus_handle(cx).focus(window);
1081    }
1082
1083    fn external_thread(
1084        &mut self,
1085        agent_choice: Option<crate::ExternalAgent>,
1086        resume_thread: Option<DbThreadMetadata>,
1087        summarize_thread: Option<DbThreadMetadata>,
1088        window: &mut Window,
1089        cx: &mut Context<Self>,
1090    ) {
1091        let workspace = self.workspace.clone();
1092        let project = self.project.clone();
1093        let fs = self.fs.clone();
1094        let is_via_collab = self.project.read(cx).is_via_collab();
1095
1096        const LAST_USED_EXTERNAL_AGENT_KEY: &str = "agent_panel__last_used_external_agent";
1097
1098        #[derive(Default, Serialize, Deserialize)]
1099        struct LastUsedExternalAgent {
1100            agent: crate::ExternalAgent,
1101        }
1102
1103        let history = self.acp_history_store.clone();
1104
1105        cx.spawn_in(window, async move |this, cx| {
1106            let ext_agent = match agent_choice {
1107                Some(agent) => {
1108                    cx.background_spawn({
1109                        let agent = agent.clone();
1110                        async move {
1111                            if let Some(serialized) =
1112                                serde_json::to_string(&LastUsedExternalAgent { agent }).log_err()
1113                            {
1114                                KEY_VALUE_STORE
1115                                    .write_kvp(LAST_USED_EXTERNAL_AGENT_KEY.to_string(), serialized)
1116                                    .await
1117                                    .log_err();
1118                            }
1119                        }
1120                    })
1121                    .detach();
1122
1123                    agent
1124                }
1125                None => {
1126                    if is_via_collab {
1127                        ExternalAgent::NativeAgent
1128                    } else {
1129                        cx.background_spawn(async move {
1130                            KEY_VALUE_STORE.read_kvp(LAST_USED_EXTERNAL_AGENT_KEY)
1131                        })
1132                        .await
1133                        .log_err()
1134                        .flatten()
1135                        .and_then(|value| {
1136                            serde_json::from_str::<LastUsedExternalAgent>(&value).log_err()
1137                        })
1138                        .unwrap_or_default()
1139                        .agent
1140                    }
1141                }
1142            };
1143
1144            telemetry::event!("Agent Thread Started", agent = ext_agent.name());
1145
1146            let server = ext_agent.server(fs, history);
1147
1148            this.update_in(cx, |this, window, cx| {
1149                match ext_agent {
1150                    crate::ExternalAgent::Gemini
1151                    | crate::ExternalAgent::NativeAgent
1152                    | crate::ExternalAgent::Custom { .. } => {
1153                        if !cx.has_flag::<GeminiAndNativeFeatureFlag>() {
1154                            return;
1155                        }
1156                    }
1157                    crate::ExternalAgent::ClaudeCode => {
1158                        if !cx.has_flag::<ClaudeCodeFeatureFlag>() {
1159                            return;
1160                        }
1161                    }
1162                }
1163
1164                let selected_agent = ext_agent.into();
1165                if this.selected_agent != selected_agent {
1166                    this.selected_agent = selected_agent;
1167                    this.serialize(cx);
1168                }
1169
1170                let thread_view = cx.new(|cx| {
1171                    crate::acp::AcpThreadView::new(
1172                        server,
1173                        resume_thread,
1174                        summarize_thread,
1175                        workspace.clone(),
1176                        project,
1177                        this.acp_history_store.clone(),
1178                        this.prompt_store.clone(),
1179                        window,
1180                        cx,
1181                    )
1182                });
1183
1184                this.set_active_view(ActiveView::ExternalAgentThread { thread_view }, window, cx);
1185            })
1186        })
1187        .detach_and_log_err(cx);
1188    }
1189
1190    fn deploy_rules_library(
1191        &mut self,
1192        action: &OpenRulesLibrary,
1193        _window: &mut Window,
1194        cx: &mut Context<Self>,
1195    ) {
1196        open_rules_library(
1197            self.language_registry.clone(),
1198            Box::new(PromptLibraryInlineAssist::new(self.workspace.clone())),
1199            Rc::new(|| {
1200                Rc::new(SlashCommandCompletionProvider::new(
1201                    Arc::new(SlashCommandWorkingSet::default()),
1202                    None,
1203                    None,
1204                ))
1205            }),
1206            action
1207                .prompt_to_select
1208                .map(|uuid| UserPromptId(uuid).into()),
1209            cx,
1210        )
1211        .detach_and_log_err(cx);
1212    }
1213
1214    fn open_history(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1215        if matches!(self.active_view, ActiveView::History) {
1216            if let Some(previous_view) = self.previous_view.take() {
1217                self.set_active_view(previous_view, window, cx);
1218            }
1219        } else {
1220            self.thread_store
1221                .update(cx, |thread_store, cx| thread_store.reload(cx))
1222                .detach_and_log_err(cx);
1223            self.set_active_view(ActiveView::History, window, cx);
1224        }
1225        cx.notify();
1226    }
1227
1228    pub(crate) fn open_saved_prompt_editor(
1229        &mut self,
1230        path: Arc<Path>,
1231        window: &mut Window,
1232        cx: &mut Context<Self>,
1233    ) -> Task<Result<()>> {
1234        let context = self
1235            .context_store
1236            .update(cx, |store, cx| store.open_local_context(path, cx));
1237        cx.spawn_in(window, async move |this, cx| {
1238            let context = context.await?;
1239            this.update_in(cx, |this, window, cx| {
1240                this.open_prompt_editor(context, window, cx);
1241            })
1242        })
1243    }
1244
1245    pub(crate) fn open_prompt_editor(
1246        &mut self,
1247        context: Entity<AssistantContext>,
1248        window: &mut Window,
1249        cx: &mut Context<Self>,
1250    ) {
1251        let lsp_adapter_delegate = make_lsp_adapter_delegate(&self.project.clone(), cx)
1252            .log_err()
1253            .flatten();
1254        let editor = cx.new(|cx| {
1255            TextThreadEditor::for_context(
1256                context,
1257                self.fs.clone(),
1258                self.workspace.clone(),
1259                self.project.clone(),
1260                lsp_adapter_delegate,
1261                window,
1262                cx,
1263            )
1264        });
1265
1266        if self.selected_agent != AgentType::TextThread {
1267            self.selected_agent = AgentType::TextThread;
1268            self.serialize(cx);
1269        }
1270
1271        self.set_active_view(
1272            ActiveView::prompt_editor(
1273                editor,
1274                self.history_store.clone(),
1275                self.acp_history_store.clone(),
1276                self.language_registry.clone(),
1277                window,
1278                cx,
1279            ),
1280            window,
1281            cx,
1282        );
1283    }
1284
1285    pub(crate) fn open_thread_by_id(
1286        &mut self,
1287        thread_id: &ThreadId,
1288        window: &mut Window,
1289        cx: &mut Context<Self>,
1290    ) -> Task<Result<()>> {
1291        let open_thread_task = self
1292            .thread_store
1293            .update(cx, |this, cx| this.open_thread(thread_id, window, cx));
1294        cx.spawn_in(window, async move |this, cx| {
1295            let thread = open_thread_task.await?;
1296            this.update_in(cx, |this, window, cx| {
1297                this.open_thread(thread, window, cx);
1298                anyhow::Ok(())
1299            })??;
1300            Ok(())
1301        })
1302    }
1303
1304    pub(crate) fn open_thread(
1305        &mut self,
1306        thread: Entity<Thread>,
1307        window: &mut Window,
1308        cx: &mut Context<Self>,
1309    ) {
1310        let context_store = cx.new(|_cx| {
1311            ContextStore::new(
1312                self.project.downgrade(),
1313                Some(self.thread_store.downgrade()),
1314            )
1315        });
1316
1317        let active_thread = cx.new(|cx| {
1318            ActiveThread::new(
1319                thread.clone(),
1320                self.thread_store.clone(),
1321                self.context_store.clone(),
1322                context_store.clone(),
1323                self.language_registry.clone(),
1324                self.workspace.clone(),
1325                window,
1326                cx,
1327            )
1328        });
1329
1330        let message_editor = cx.new(|cx| {
1331            MessageEditor::new(
1332                self.fs.clone(),
1333                self.workspace.clone(),
1334                context_store,
1335                self.prompt_store.clone(),
1336                self.thread_store.downgrade(),
1337                self.context_store.downgrade(),
1338                Some(self.history_store.downgrade()),
1339                thread.clone(),
1340                window,
1341                cx,
1342            )
1343        });
1344        message_editor.focus_handle(cx).focus(window);
1345
1346        let thread_view = ActiveView::thread(active_thread, message_editor, window, cx);
1347        self.set_active_view(thread_view, window, cx);
1348        AgentDiff::set_active_thread(&self.workspace, thread.clone(), window, cx);
1349    }
1350
1351    pub fn go_back(&mut self, _: &workspace::GoBack, window: &mut Window, cx: &mut Context<Self>) {
1352        match self.active_view {
1353            ActiveView::Configuration | ActiveView::History => {
1354                if let Some(previous_view) = self.previous_view.take() {
1355                    self.active_view = previous_view;
1356
1357                    match &self.active_view {
1358                        ActiveView::Thread { message_editor, .. } => {
1359                            message_editor.focus_handle(cx).focus(window);
1360                        }
1361                        ActiveView::ExternalAgentThread { thread_view } => {
1362                            thread_view.focus_handle(cx).focus(window);
1363                        }
1364                        ActiveView::TextThread { context_editor, .. } => {
1365                            context_editor.focus_handle(cx).focus(window);
1366                        }
1367                        ActiveView::History | ActiveView::Configuration => {}
1368                    }
1369                }
1370                cx.notify();
1371            }
1372            _ => {}
1373        }
1374    }
1375
1376    pub fn toggle_navigation_menu(
1377        &mut self,
1378        _: &ToggleNavigationMenu,
1379        window: &mut Window,
1380        cx: &mut Context<Self>,
1381    ) {
1382        self.assistant_navigation_menu_handle.toggle(window, cx);
1383    }
1384
1385    pub fn toggle_options_menu(
1386        &mut self,
1387        _: &ToggleOptionsMenu,
1388        window: &mut Window,
1389        cx: &mut Context<Self>,
1390    ) {
1391        self.agent_panel_menu_handle.toggle(window, cx);
1392    }
1393
1394    pub fn toggle_new_thread_menu(
1395        &mut self,
1396        _: &ToggleNewThreadMenu,
1397        window: &mut Window,
1398        cx: &mut Context<Self>,
1399    ) {
1400        self.new_thread_menu_handle.toggle(window, cx);
1401    }
1402
1403    pub fn increase_font_size(
1404        &mut self,
1405        action: &IncreaseBufferFontSize,
1406        _: &mut Window,
1407        cx: &mut Context<Self>,
1408    ) {
1409        self.handle_font_size_action(action.persist, px(1.0), cx);
1410    }
1411
1412    pub fn decrease_font_size(
1413        &mut self,
1414        action: &DecreaseBufferFontSize,
1415        _: &mut Window,
1416        cx: &mut Context<Self>,
1417    ) {
1418        self.handle_font_size_action(action.persist, px(-1.0), cx);
1419    }
1420
1421    fn handle_font_size_action(&mut self, persist: bool, delta: Pixels, cx: &mut Context<Self>) {
1422        match self.active_view.which_font_size_used() {
1423            WhichFontSize::AgentFont => {
1424                if persist {
1425                    update_settings_file::<ThemeSettings>(
1426                        self.fs.clone(),
1427                        cx,
1428                        move |settings, cx| {
1429                            let agent_font_size =
1430                                ThemeSettings::get_global(cx).agent_font_size(cx) + delta;
1431                            let _ = settings
1432                                .agent_font_size
1433                                .insert(Some(theme::clamp_font_size(agent_font_size).into()));
1434                        },
1435                    );
1436                } else {
1437                    theme::adjust_agent_font_size(cx, |size| size + delta);
1438                }
1439            }
1440            WhichFontSize::BufferFont => {
1441                // Prompt editor uses the buffer font size, so allow the action to propagate to the
1442                // default handler that changes that font size.
1443                cx.propagate();
1444            }
1445            WhichFontSize::None => {}
1446        }
1447    }
1448
1449    pub fn reset_font_size(
1450        &mut self,
1451        action: &ResetBufferFontSize,
1452        _: &mut Window,
1453        cx: &mut Context<Self>,
1454    ) {
1455        if action.persist {
1456            update_settings_file::<ThemeSettings>(self.fs.clone(), cx, move |settings, _| {
1457                settings.agent_font_size = None;
1458            });
1459        } else {
1460            theme::reset_agent_font_size(cx);
1461        }
1462    }
1463
1464    pub fn toggle_zoom(&mut self, _: &ToggleZoom, window: &mut Window, cx: &mut Context<Self>) {
1465        if self.zoomed {
1466            cx.emit(PanelEvent::ZoomOut);
1467        } else {
1468            if !self.focus_handle(cx).contains_focused(window, cx) {
1469                cx.focus_self(window);
1470            }
1471            cx.emit(PanelEvent::ZoomIn);
1472        }
1473    }
1474
1475    pub fn open_agent_diff(
1476        &mut self,
1477        _: &OpenAgentDiff,
1478        window: &mut Window,
1479        cx: &mut Context<Self>,
1480    ) {
1481        match &self.active_view {
1482            ActiveView::Thread { thread, .. } => {
1483                let thread = thread.read(cx).thread().clone();
1484                self.workspace
1485                    .update(cx, |workspace, cx| {
1486                        AgentDiffPane::deploy_in_workspace(
1487                            AgentDiffThread::Native(thread),
1488                            workspace,
1489                            window,
1490                            cx,
1491                        )
1492                    })
1493                    .log_err();
1494            }
1495            ActiveView::ExternalAgentThread { .. }
1496            | ActiveView::TextThread { .. }
1497            | ActiveView::History
1498            | ActiveView::Configuration => {}
1499        }
1500    }
1501
1502    pub(crate) fn open_configuration(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1503        let context_server_store = self.project.read(cx).context_server_store();
1504        let tools = self.thread_store.read(cx).tools();
1505        let fs = self.fs.clone();
1506
1507        self.set_active_view(ActiveView::Configuration, window, cx);
1508        self.configuration = Some(cx.new(|cx| {
1509            AgentConfiguration::new(
1510                fs,
1511                context_server_store,
1512                tools,
1513                self.language_registry.clone(),
1514                self.workspace.clone(),
1515                window,
1516                cx,
1517            )
1518        }));
1519
1520        if let Some(configuration) = self.configuration.as_ref() {
1521            self.configuration_subscription = Some(cx.subscribe_in(
1522                configuration,
1523                window,
1524                Self::handle_agent_configuration_event,
1525            ));
1526
1527            configuration.focus_handle(cx).focus(window);
1528        }
1529    }
1530
1531    pub(crate) fn open_active_thread_as_markdown(
1532        &mut self,
1533        _: &OpenActiveThreadAsMarkdown,
1534        window: &mut Window,
1535        cx: &mut Context<Self>,
1536    ) {
1537        let Some(workspace) = self.workspace.upgrade() else {
1538            return;
1539        };
1540
1541        match &self.active_view {
1542            ActiveView::Thread { thread, .. } => {
1543                active_thread::open_active_thread_as_markdown(
1544                    thread.read(cx).thread().clone(),
1545                    workspace,
1546                    window,
1547                    cx,
1548                )
1549                .detach_and_log_err(cx);
1550            }
1551            ActiveView::ExternalAgentThread { thread_view } => {
1552                thread_view
1553                    .update(cx, |thread_view, cx| {
1554                        thread_view.open_thread_as_markdown(workspace, window, cx)
1555                    })
1556                    .detach_and_log_err(cx);
1557            }
1558            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {}
1559        }
1560    }
1561
1562    fn handle_agent_configuration_event(
1563        &mut self,
1564        _entity: &Entity<AgentConfiguration>,
1565        event: &AssistantConfigurationEvent,
1566        window: &mut Window,
1567        cx: &mut Context<Self>,
1568    ) {
1569        match event {
1570            AssistantConfigurationEvent::NewThread(provider) => {
1571                if LanguageModelRegistry::read_global(cx)
1572                    .default_model()
1573                    .is_none_or(|model| model.provider.id() != provider.id())
1574                    && let Some(model) = provider.default_model(cx)
1575                {
1576                    update_settings_file::<AgentSettings>(
1577                        self.fs.clone(),
1578                        cx,
1579                        move |settings, _| settings.set_model(model),
1580                    );
1581                }
1582
1583                self.new_thread(&NewThread::default(), window, cx);
1584                if let Some((thread, model)) =
1585                    self.active_thread(cx).zip(provider.default_model(cx))
1586                {
1587                    thread.update(cx, |thread, cx| {
1588                        thread.set_configured_model(
1589                            Some(ConfiguredModel {
1590                                provider: provider.clone(),
1591                                model,
1592                            }),
1593                            cx,
1594                        );
1595                    });
1596                }
1597            }
1598        }
1599    }
1600
1601    pub(crate) fn active_thread(&self, cx: &App) -> Option<Entity<Thread>> {
1602        match &self.active_view {
1603            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
1604            _ => None,
1605        }
1606    }
1607    pub(crate) fn active_agent_thread(&self, cx: &App) -> Option<Entity<AcpThread>> {
1608        match &self.active_view {
1609            ActiveView::ExternalAgentThread { thread_view, .. } => {
1610                thread_view.read(cx).thread().cloned()
1611            }
1612            _ => None,
1613        }
1614    }
1615
1616    pub(crate) fn delete_thread(
1617        &mut self,
1618        thread_id: &ThreadId,
1619        cx: &mut Context<Self>,
1620    ) -> Task<Result<()>> {
1621        self.thread_store
1622            .update(cx, |this, cx| this.delete_thread(thread_id, cx))
1623    }
1624
1625    fn continue_conversation(&mut self, window: &mut Window, cx: &mut Context<Self>) {
1626        let ActiveView::Thread { thread, .. } = &self.active_view else {
1627            return;
1628        };
1629
1630        let thread_state = thread.read(cx).thread().read(cx);
1631        if !thread_state.tool_use_limit_reached() {
1632            return;
1633        }
1634
1635        let model = thread_state.configured_model().map(|cm| cm.model);
1636        if let Some(model) = model {
1637            thread.update(cx, |active_thread, cx| {
1638                active_thread.thread().update(cx, |thread, cx| {
1639                    thread.insert_invisible_continue_message(cx);
1640                    thread.advance_prompt_id();
1641                    thread.send_to_model(
1642                        model,
1643                        CompletionIntent::UserPrompt,
1644                        Some(window.window_handle()),
1645                        cx,
1646                    );
1647                });
1648            });
1649        } else {
1650            log::warn!("No configured model available for continuation");
1651        }
1652    }
1653
1654    fn toggle_burn_mode(
1655        &mut self,
1656        _: &ToggleBurnMode,
1657        _window: &mut Window,
1658        cx: &mut Context<Self>,
1659    ) {
1660        let ActiveView::Thread { thread, .. } = &self.active_view else {
1661            return;
1662        };
1663
1664        thread.update(cx, |active_thread, cx| {
1665            active_thread.thread().update(cx, |thread, _cx| {
1666                let current_mode = thread.completion_mode();
1667
1668                thread.set_completion_mode(match current_mode {
1669                    CompletionMode::Burn => CompletionMode::Normal,
1670                    CompletionMode::Normal => CompletionMode::Burn,
1671                });
1672            });
1673        });
1674    }
1675
1676    pub(crate) fn active_context_editor(&self) -> Option<Entity<TextThreadEditor>> {
1677        match &self.active_view {
1678            ActiveView::TextThread { context_editor, .. } => Some(context_editor.clone()),
1679            _ => None,
1680        }
1681    }
1682
1683    pub(crate) fn delete_context(
1684        &mut self,
1685        path: Arc<Path>,
1686        cx: &mut Context<Self>,
1687    ) -> Task<Result<()>> {
1688        self.context_store
1689            .update(cx, |this, cx| this.delete_local_context(path, cx))
1690    }
1691
1692    fn set_active_view(
1693        &mut self,
1694        new_view: ActiveView,
1695        window: &mut Window,
1696        cx: &mut Context<Self>,
1697    ) {
1698        let current_is_history = matches!(self.active_view, ActiveView::History);
1699        let new_is_history = matches!(new_view, ActiveView::History);
1700
1701        let current_is_config = matches!(self.active_view, ActiveView::Configuration);
1702        let new_is_config = matches!(new_view, ActiveView::Configuration);
1703
1704        let current_is_special = current_is_history || current_is_config;
1705        let new_is_special = new_is_history || new_is_config;
1706
1707        if let ActiveView::Thread { thread, .. } = &self.active_view {
1708            let thread = thread.read(cx);
1709            if thread.is_empty() {
1710                let id = thread.thread().read(cx).id().clone();
1711                self.history_store.update(cx, |store, cx| {
1712                    store.remove_recently_opened_thread(id, cx);
1713                });
1714            }
1715        }
1716
1717        match &new_view {
1718            ActiveView::Thread { thread, .. } => self.history_store.update(cx, |store, cx| {
1719                let id = thread.read(cx).thread().read(cx).id().clone();
1720                store.push_recently_opened_entry(HistoryEntryId::Thread(id), cx);
1721            }),
1722            ActiveView::TextThread { context_editor, .. } => {
1723                self.history_store.update(cx, |store, cx| {
1724                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1725                        store.push_recently_opened_entry(HistoryEntryId::Context(path.clone()), cx)
1726                    }
1727                });
1728                self.acp_history_store.update(cx, |store, cx| {
1729                    if let Some(path) = context_editor.read(cx).context().read(cx).path() {
1730                        store.push_recently_opened_entry(
1731                            agent2::HistoryEntryId::TextThread(path.clone()),
1732                            cx,
1733                        )
1734                    }
1735                })
1736            }
1737            ActiveView::ExternalAgentThread { .. } => {}
1738            ActiveView::History | ActiveView::Configuration => {}
1739        }
1740
1741        if current_is_special && !new_is_special {
1742            self.active_view = new_view;
1743        } else if !current_is_special && new_is_special {
1744            self.previous_view = Some(std::mem::replace(&mut self.active_view, new_view));
1745        } else {
1746            if !new_is_special {
1747                self.previous_view = None;
1748            }
1749            self.active_view = new_view;
1750        }
1751
1752        self.focus_handle(cx).focus(window);
1753    }
1754
1755    fn populate_recently_opened_menu_section_old(
1756        mut menu: ContextMenu,
1757        panel: Entity<Self>,
1758        cx: &mut Context<ContextMenu>,
1759    ) -> ContextMenu {
1760        let entries = panel
1761            .read(cx)
1762            .history_store
1763            .read(cx)
1764            .recently_opened_entries(cx);
1765
1766        if entries.is_empty() {
1767            return menu;
1768        }
1769
1770        menu = menu.header("Recently Opened");
1771
1772        for entry in entries {
1773            let title = entry.title().clone();
1774            let id = entry.id();
1775
1776            menu = menu.entry_with_end_slot_on_hover(
1777                title,
1778                None,
1779                {
1780                    let panel = panel.downgrade();
1781                    let id = id.clone();
1782                    move |window, cx| {
1783                        let id = id.clone();
1784                        panel
1785                            .update(cx, move |this, cx| match id {
1786                                HistoryEntryId::Thread(id) => this
1787                                    .open_thread_by_id(&id, window, cx)
1788                                    .detach_and_log_err(cx),
1789                                HistoryEntryId::Context(path) => this
1790                                    .open_saved_prompt_editor(path, window, cx)
1791                                    .detach_and_log_err(cx),
1792                            })
1793                            .ok();
1794                    }
1795                },
1796                IconName::Close,
1797                "Close Entry".into(),
1798                {
1799                    let panel = panel.downgrade();
1800                    let id = id.clone();
1801                    move |_window, cx| {
1802                        panel
1803                            .update(cx, |this, cx| {
1804                                this.history_store.update(cx, |history_store, cx| {
1805                                    history_store.remove_recently_opened_entry(&id, cx);
1806                                });
1807                            })
1808                            .ok();
1809                    }
1810                },
1811            );
1812        }
1813
1814        menu = menu.separator();
1815
1816        menu
1817    }
1818
1819    fn populate_recently_opened_menu_section_new(
1820        mut menu: ContextMenu,
1821        panel: Entity<Self>,
1822        cx: &mut Context<ContextMenu>,
1823    ) -> ContextMenu {
1824        let entries = panel
1825            .read(cx)
1826            .acp_history_store
1827            .read(cx)
1828            .recently_opened_entries(cx);
1829
1830        if entries.is_empty() {
1831            return menu;
1832        }
1833
1834        menu = menu.header("Recently Opened");
1835
1836        for entry in entries {
1837            let title = entry.title().clone();
1838
1839            menu = menu.entry_with_end_slot_on_hover(
1840                title,
1841                None,
1842                {
1843                    let panel = panel.downgrade();
1844                    let entry = entry.clone();
1845                    move |window, cx| {
1846                        let entry = entry.clone();
1847                        panel
1848                            .update(cx, move |this, cx| match &entry {
1849                                agent2::HistoryEntry::AcpThread(entry) => this.external_thread(
1850                                    Some(ExternalAgent::NativeAgent),
1851                                    Some(entry.clone()),
1852                                    None,
1853                                    window,
1854                                    cx,
1855                                ),
1856                                agent2::HistoryEntry::TextThread(entry) => this
1857                                    .open_saved_prompt_editor(entry.path.clone(), window, cx)
1858                                    .detach_and_log_err(cx),
1859                            })
1860                            .ok();
1861                    }
1862                },
1863                IconName::Close,
1864                "Close Entry".into(),
1865                {
1866                    let panel = panel.downgrade();
1867                    let id = entry.id();
1868                    move |_window, cx| {
1869                        panel
1870                            .update(cx, |this, cx| {
1871                                this.acp_history_store.update(cx, |history_store, cx| {
1872                                    history_store.remove_recently_opened_entry(&id, cx);
1873                                });
1874                            })
1875                            .ok();
1876                    }
1877                },
1878            );
1879        }
1880
1881        menu = menu.separator();
1882
1883        menu
1884    }
1885
1886    pub fn selected_agent(&self) -> AgentType {
1887        self.selected_agent.clone()
1888    }
1889
1890    pub fn new_agent_thread(
1891        &mut self,
1892        agent: AgentType,
1893        window: &mut Window,
1894        cx: &mut Context<Self>,
1895    ) {
1896        match agent {
1897            AgentType::Zed => {
1898                window.dispatch_action(
1899                    NewThread {
1900                        from_thread_id: None,
1901                    }
1902                    .boxed_clone(),
1903                    cx,
1904                );
1905            }
1906            AgentType::TextThread => {
1907                window.dispatch_action(NewTextThread.boxed_clone(), cx);
1908            }
1909            AgentType::NativeAgent => self.external_thread(
1910                Some(crate::ExternalAgent::NativeAgent),
1911                None,
1912                None,
1913                window,
1914                cx,
1915            ),
1916            AgentType::Gemini => {
1917                self.external_thread(Some(crate::ExternalAgent::Gemini), None, None, window, cx)
1918            }
1919            AgentType::ClaudeCode => {
1920                self.selected_agent = AgentType::ClaudeCode;
1921                self.serialize(cx);
1922                self.external_thread(
1923                    Some(crate::ExternalAgent::ClaudeCode),
1924                    None,
1925                    None,
1926                    window,
1927                    cx,
1928                )
1929            }
1930            AgentType::Custom { name, command } => self.external_thread(
1931                Some(crate::ExternalAgent::Custom { name, command }),
1932                None,
1933                None,
1934                window,
1935                cx,
1936            ),
1937        }
1938    }
1939
1940    pub fn load_agent_thread(
1941        &mut self,
1942        thread: DbThreadMetadata,
1943        window: &mut Window,
1944        cx: &mut Context<Self>,
1945    ) {
1946        self.external_thread(
1947            Some(ExternalAgent::NativeAgent),
1948            Some(thread),
1949            None,
1950            window,
1951            cx,
1952        );
1953    }
1954}
1955
1956impl Focusable for AgentPanel {
1957    fn focus_handle(&self, cx: &App) -> FocusHandle {
1958        match &self.active_view {
1959            ActiveView::Thread { message_editor, .. } => message_editor.focus_handle(cx),
1960            ActiveView::ExternalAgentThread { thread_view, .. } => thread_view.focus_handle(cx),
1961            ActiveView::History => {
1962                if cx.has_flag::<feature_flags::GeminiAndNativeFeatureFlag>() {
1963                    self.acp_history.focus_handle(cx)
1964                } else {
1965                    self.history.focus_handle(cx)
1966                }
1967            }
1968            ActiveView::TextThread { context_editor, .. } => context_editor.focus_handle(cx),
1969            ActiveView::Configuration => {
1970                if let Some(configuration) = self.configuration.as_ref() {
1971                    configuration.focus_handle(cx)
1972                } else {
1973                    cx.focus_handle()
1974                }
1975            }
1976        }
1977    }
1978}
1979
1980fn agent_panel_dock_position(cx: &App) -> DockPosition {
1981    match AgentSettings::get_global(cx).dock {
1982        AgentDockPosition::Left => DockPosition::Left,
1983        AgentDockPosition::Bottom => DockPosition::Bottom,
1984        AgentDockPosition::Right => DockPosition::Right,
1985    }
1986}
1987
1988impl EventEmitter<PanelEvent> for AgentPanel {}
1989
1990impl Panel for AgentPanel {
1991    fn persistent_name() -> &'static str {
1992        "AgentPanel"
1993    }
1994
1995    fn position(&self, _window: &Window, cx: &App) -> DockPosition {
1996        agent_panel_dock_position(cx)
1997    }
1998
1999    fn position_is_valid(&self, position: DockPosition) -> bool {
2000        position != DockPosition::Bottom
2001    }
2002
2003    fn set_position(&mut self, position: DockPosition, _: &mut Window, cx: &mut Context<Self>) {
2004        settings::update_settings_file::<AgentSettings>(self.fs.clone(), cx, move |settings, _| {
2005            let dock = match position {
2006                DockPosition::Left => AgentDockPosition::Left,
2007                DockPosition::Bottom => AgentDockPosition::Bottom,
2008                DockPosition::Right => AgentDockPosition::Right,
2009            };
2010            settings.set_dock(dock);
2011        });
2012    }
2013
2014    fn size(&self, window: &Window, cx: &App) -> Pixels {
2015        let settings = AgentSettings::get_global(cx);
2016        match self.position(window, cx) {
2017            DockPosition::Left | DockPosition::Right => {
2018                self.width.unwrap_or(settings.default_width)
2019            }
2020            DockPosition::Bottom => self.height.unwrap_or(settings.default_height),
2021        }
2022    }
2023
2024    fn set_size(&mut self, size: Option<Pixels>, window: &mut Window, cx: &mut Context<Self>) {
2025        match self.position(window, cx) {
2026            DockPosition::Left | DockPosition::Right => self.width = size,
2027            DockPosition::Bottom => self.height = size,
2028        }
2029        self.serialize(cx);
2030        cx.notify();
2031    }
2032
2033    fn set_active(&mut self, _active: bool, _window: &mut Window, _cx: &mut Context<Self>) {}
2034
2035    fn remote_id() -> Option<proto::PanelId> {
2036        Some(proto::PanelId::AssistantPanel)
2037    }
2038
2039    fn icon(&self, _window: &Window, cx: &App) -> Option<IconName> {
2040        (self.enabled(cx) && AgentSettings::get_global(cx).button).then_some(IconName::ZedAssistant)
2041    }
2042
2043    fn icon_tooltip(&self, _window: &Window, _cx: &App) -> Option<&'static str> {
2044        Some("Agent Panel")
2045    }
2046
2047    fn toggle_action(&self) -> Box<dyn Action> {
2048        Box::new(ToggleFocus)
2049    }
2050
2051    fn activation_priority(&self) -> u32 {
2052        3
2053    }
2054
2055    fn enabled(&self, cx: &App) -> bool {
2056        DisableAiSettings::get_global(cx).disable_ai.not() && AgentSettings::get_global(cx).enabled
2057    }
2058
2059    fn is_zoomed(&self, _window: &Window, _cx: &App) -> bool {
2060        self.zoomed
2061    }
2062
2063    fn set_zoomed(&mut self, zoomed: bool, _window: &mut Window, cx: &mut Context<Self>) {
2064        self.zoomed = zoomed;
2065        cx.notify();
2066    }
2067}
2068
2069impl AgentPanel {
2070    fn render_title_view(&self, _window: &mut Window, cx: &Context<Self>) -> AnyElement {
2071        const LOADING_SUMMARY_PLACEHOLDER: &str = "Loading Summary…";
2072
2073        let content = match &self.active_view {
2074            ActiveView::Thread {
2075                thread: active_thread,
2076                change_title_editor,
2077                ..
2078            } => {
2079                let state = {
2080                    let active_thread = active_thread.read(cx);
2081                    if active_thread.is_empty() {
2082                        &ThreadSummary::Pending
2083                    } else {
2084                        active_thread.summary(cx)
2085                    }
2086                };
2087
2088                match state {
2089                    ThreadSummary::Pending => Label::new(ThreadSummary::DEFAULT)
2090                        .truncate()
2091                        .color(Color::Muted)
2092                        .into_any_element(),
2093                    ThreadSummary::Generating => Label::new(LOADING_SUMMARY_PLACEHOLDER)
2094                        .truncate()
2095                        .color(Color::Muted)
2096                        .into_any_element(),
2097                    ThreadSummary::Ready(_) => div()
2098                        .w_full()
2099                        .child(change_title_editor.clone())
2100                        .into_any_element(),
2101                    ThreadSummary::Error => h_flex()
2102                        .w_full()
2103                        .child(change_title_editor.clone())
2104                        .child(
2105                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
2106                                .icon_size(IconSize::Small)
2107                                .on_click({
2108                                    let active_thread = active_thread.clone();
2109                                    move |_, _window, cx| {
2110                                        active_thread.update(cx, |thread, cx| {
2111                                            thread.regenerate_summary(cx);
2112                                        });
2113                                    }
2114                                })
2115                                .tooltip(move |_window, cx| {
2116                                    cx.new(|_| {
2117                                        Tooltip::new("Failed to generate title")
2118                                            .meta("Click to try again")
2119                                    })
2120                                    .into()
2121                                }),
2122                        )
2123                        .into_any_element(),
2124                }
2125            }
2126            ActiveView::ExternalAgentThread { thread_view } => {
2127                if let Some(title_editor) = thread_view.read(cx).title_editor() {
2128                    div()
2129                        .w_full()
2130                        .on_action({
2131                            let thread_view = thread_view.downgrade();
2132                            move |_: &menu::Confirm, window, cx| {
2133                                if let Some(thread_view) = thread_view.upgrade() {
2134                                    thread_view.focus_handle(cx).focus(window);
2135                                }
2136                            }
2137                        })
2138                        .on_action({
2139                            let thread_view = thread_view.downgrade();
2140                            move |_: &editor::actions::Cancel, window, cx| {
2141                                if let Some(thread_view) = thread_view.upgrade() {
2142                                    thread_view.focus_handle(cx).focus(window);
2143                                }
2144                            }
2145                        })
2146                        .child(title_editor)
2147                        .into_any_element()
2148                } else {
2149                    Label::new(thread_view.read(cx).title(cx))
2150                        .color(Color::Muted)
2151                        .truncate()
2152                        .into_any_element()
2153                }
2154            }
2155            ActiveView::TextThread {
2156                title_editor,
2157                context_editor,
2158                ..
2159            } => {
2160                let summary = context_editor.read(cx).context().read(cx).summary();
2161
2162                match summary {
2163                    ContextSummary::Pending => Label::new(ContextSummary::DEFAULT)
2164                        .color(Color::Muted)
2165                        .truncate()
2166                        .into_any_element(),
2167                    ContextSummary::Content(summary) => {
2168                        if summary.done {
2169                            div()
2170                                .w_full()
2171                                .child(title_editor.clone())
2172                                .into_any_element()
2173                        } else {
2174                            Label::new(LOADING_SUMMARY_PLACEHOLDER)
2175                                .truncate()
2176                                .color(Color::Muted)
2177                                .into_any_element()
2178                        }
2179                    }
2180                    ContextSummary::Error => h_flex()
2181                        .w_full()
2182                        .child(title_editor.clone())
2183                        .child(
2184                            IconButton::new("retry-summary-generation", IconName::RotateCcw)
2185                                .icon_size(IconSize::Small)
2186                                .on_click({
2187                                    let context_editor = context_editor.clone();
2188                                    move |_, _window, cx| {
2189                                        context_editor.update(cx, |context_editor, cx| {
2190                                            context_editor.regenerate_summary(cx);
2191                                        });
2192                                    }
2193                                })
2194                                .tooltip(move |_window, cx| {
2195                                    cx.new(|_| {
2196                                        Tooltip::new("Failed to generate title")
2197                                            .meta("Click to try again")
2198                                    })
2199                                    .into()
2200                                }),
2201                        )
2202                        .into_any_element(),
2203                }
2204            }
2205            ActiveView::History => Label::new("History").truncate().into_any_element(),
2206            ActiveView::Configuration => Label::new("Settings").truncate().into_any_element(),
2207        };
2208
2209        h_flex()
2210            .key_context("TitleEditor")
2211            .id("TitleEditor")
2212            .flex_grow()
2213            .w_full()
2214            .max_w_full()
2215            .overflow_x_scroll()
2216            .child(content)
2217            .into_any()
2218    }
2219
2220    fn render_panel_options_menu(
2221        &self,
2222        window: &mut Window,
2223        cx: &mut Context<Self>,
2224    ) -> impl IntoElement {
2225        let user_store = self.user_store.read(cx);
2226        let usage = user_store.model_request_usage();
2227        let account_url = zed_urls::account_url(cx);
2228
2229        let focus_handle = self.focus_handle(cx);
2230
2231        let full_screen_label = if self.is_zoomed(window, cx) {
2232            "Disable Full Screen"
2233        } else {
2234            "Enable Full Screen"
2235        };
2236
2237        let selected_agent = self.selected_agent.clone();
2238
2239        PopoverMenu::new("agent-options-menu")
2240            .trigger_with_tooltip(
2241                IconButton::new("agent-options-menu", IconName::Ellipsis)
2242                    .icon_size(IconSize::Small),
2243                {
2244                    let focus_handle = focus_handle.clone();
2245                    move |window, cx| {
2246                        Tooltip::for_action_in(
2247                            "Toggle Agent Menu",
2248                            &ToggleOptionsMenu,
2249                            &focus_handle,
2250                            window,
2251                            cx,
2252                        )
2253                    }
2254                },
2255            )
2256            .anchor(Corner::TopRight)
2257            .with_handle(self.agent_panel_menu_handle.clone())
2258            .menu({
2259                move |window, cx| {
2260                    Some(ContextMenu::build(window, cx, |mut menu, _window, _| {
2261                        menu = menu.context(focus_handle.clone());
2262                        if let Some(usage) = usage {
2263                            menu = menu
2264                                .header_with_link("Prompt Usage", "Manage", account_url.clone())
2265                                .custom_entry(
2266                                    move |_window, cx| {
2267                                        let used_percentage = match usage.limit {
2268                                            UsageLimit::Limited(limit) => {
2269                                                Some((usage.amount as f32 / limit as f32) * 100.)
2270                                            }
2271                                            UsageLimit::Unlimited => None,
2272                                        };
2273
2274                                        h_flex()
2275                                            .flex_1()
2276                                            .gap_1p5()
2277                                            .children(used_percentage.map(|percent| {
2278                                                ProgressBar::new("usage", percent, 100., cx)
2279                                            }))
2280                                            .child(
2281                                                Label::new(match usage.limit {
2282                                                    UsageLimit::Limited(limit) => {
2283                                                        format!("{} / {limit}", usage.amount)
2284                                                    }
2285                                                    UsageLimit::Unlimited => {
2286                                                        format!("{} / ∞", usage.amount)
2287                                                    }
2288                                                })
2289                                                .size(LabelSize::Small)
2290                                                .color(Color::Muted),
2291                                            )
2292                                            .into_any_element()
2293                                    },
2294                                    move |_, cx| cx.open_url(&zed_urls::account_url(cx)),
2295                                )
2296                                .separator()
2297                        }
2298
2299                        menu = menu
2300                            .header("MCP Servers")
2301                            .action(
2302                                "View Server Extensions",
2303                                Box::new(zed_actions::Extensions {
2304                                    category_filter: Some(
2305                                        zed_actions::ExtensionCategoryFilter::ContextServers,
2306                                    ),
2307                                    id: None,
2308                                }),
2309                            )
2310                            .action("Add Custom Server…", Box::new(AddContextServer))
2311                            .separator();
2312
2313                        menu = menu
2314                            .action("Rules…", Box::new(OpenRulesLibrary::default()))
2315                            .action("Settings", Box::new(OpenSettings))
2316                            .separator()
2317                            .action(full_screen_label, Box::new(ToggleZoom));
2318
2319                        if selected_agent == AgentType::Gemini {
2320                            menu = menu.action("Reauthenticate", Box::new(ReauthenticateAgent))
2321                        }
2322
2323                        menu
2324                    }))
2325                }
2326            })
2327    }
2328
2329    fn render_recent_entries_menu(
2330        &self,
2331        icon: IconName,
2332        corner: Corner,
2333        cx: &mut Context<Self>,
2334    ) -> impl IntoElement {
2335        let focus_handle = self.focus_handle(cx);
2336
2337        PopoverMenu::new("agent-nav-menu")
2338            .trigger_with_tooltip(
2339                IconButton::new("agent-nav-menu", icon).icon_size(IconSize::Small),
2340                {
2341                    move |window, cx| {
2342                        Tooltip::for_action_in(
2343                            "Toggle Recent Threads",
2344                            &ToggleNavigationMenu,
2345                            &focus_handle,
2346                            window,
2347                            cx,
2348                        )
2349                    }
2350                },
2351            )
2352            .anchor(corner)
2353            .with_handle(self.assistant_navigation_menu_handle.clone())
2354            .menu({
2355                let menu = self.assistant_navigation_menu.clone();
2356                move |window, cx| {
2357                    telemetry::event!("View Thread History Clicked");
2358
2359                    if let Some(menu) = menu.as_ref() {
2360                        menu.update(cx, |_, cx| {
2361                            cx.defer_in(window, |menu, window, cx| {
2362                                menu.rebuild(window, cx);
2363                            });
2364                        })
2365                    }
2366                    menu.clone()
2367                }
2368            })
2369    }
2370
2371    fn render_toolbar_back_button(&self, cx: &mut Context<Self>) -> impl IntoElement {
2372        let focus_handle = self.focus_handle(cx);
2373
2374        IconButton::new("go-back", IconName::ArrowLeft)
2375            .icon_size(IconSize::Small)
2376            .on_click(cx.listener(|this, _, window, cx| {
2377                this.go_back(&workspace::GoBack, window, cx);
2378            }))
2379            .tooltip({
2380                move |window, cx| {
2381                    Tooltip::for_action_in("Go Back", &workspace::GoBack, &focus_handle, window, cx)
2382                }
2383            })
2384    }
2385
2386    fn render_toolbar_old(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2387        let focus_handle = self.focus_handle(cx);
2388
2389        let active_thread = match &self.active_view {
2390            ActiveView::Thread { thread, .. } => Some(thread.read(cx).thread().clone()),
2391            ActiveView::ExternalAgentThread { .. }
2392            | ActiveView::TextThread { .. }
2393            | ActiveView::History
2394            | ActiveView::Configuration => None,
2395        };
2396
2397        let new_thread_menu = PopoverMenu::new("new_thread_menu")
2398            .trigger_with_tooltip(
2399                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
2400                Tooltip::text("New Thread…"),
2401            )
2402            .anchor(Corner::TopRight)
2403            .with_handle(self.new_thread_menu_handle.clone())
2404            .menu({
2405                move |window, cx| {
2406                    let active_thread = active_thread.clone();
2407                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
2408                        menu = menu
2409                            .context(focus_handle.clone())
2410                            .when_some(active_thread, |this, active_thread| {
2411                                let thread = active_thread.read(cx);
2412
2413                                if !thread.is_empty() {
2414                                    let thread_id = thread.id().clone();
2415                                    this.item(
2416                                        ContextMenuEntry::new("New From Summary")
2417                                            .icon(IconName::ThreadFromSummary)
2418                                            .icon_color(Color::Muted)
2419                                            .handler(move |window, cx| {
2420                                                window.dispatch_action(
2421                                                    Box::new(NewThread {
2422                                                        from_thread_id: Some(thread_id.clone()),
2423                                                    }),
2424                                                    cx,
2425                                                );
2426                                            }),
2427                                    )
2428                                } else {
2429                                    this
2430                                }
2431                            })
2432                            .item(
2433                                ContextMenuEntry::new("New Thread")
2434                                    .icon(IconName::Thread)
2435                                    .icon_color(Color::Muted)
2436                                    .action(NewThread::default().boxed_clone())
2437                                    .handler(move |window, cx| {
2438                                        window.dispatch_action(
2439                                            NewThread::default().boxed_clone(),
2440                                            cx,
2441                                        );
2442                                    }),
2443                            )
2444                            .item(
2445                                ContextMenuEntry::new("New Text Thread")
2446                                    .icon(IconName::TextThread)
2447                                    .icon_color(Color::Muted)
2448                                    .action(NewTextThread.boxed_clone())
2449                                    .handler(move |window, cx| {
2450                                        window.dispatch_action(NewTextThread.boxed_clone(), cx);
2451                                    }),
2452                            );
2453                        menu
2454                    }))
2455                }
2456            });
2457
2458        h_flex()
2459            .id("assistant-toolbar")
2460            .h(Tab::container_height(cx))
2461            .max_w_full()
2462            .flex_none()
2463            .justify_between()
2464            .gap_2()
2465            .bg(cx.theme().colors().tab_bar_background)
2466            .border_b_1()
2467            .border_color(cx.theme().colors().border)
2468            .child(
2469                h_flex()
2470                    .size_full()
2471                    .pl_1()
2472                    .gap_1()
2473                    .child(match &self.active_view {
2474                        ActiveView::History | ActiveView::Configuration => div()
2475                            .pl(DynamicSpacing::Base04.rems(cx))
2476                            .child(self.render_toolbar_back_button(cx))
2477                            .into_any_element(),
2478                        _ => self
2479                            .render_recent_entries_menu(IconName::MenuAlt, Corner::TopLeft, cx)
2480                            .into_any_element(),
2481                    })
2482                    .child(self.render_title_view(window, cx)),
2483            )
2484            .child(
2485                h_flex()
2486                    .h_full()
2487                    .gap_2()
2488                    .children(self.render_token_count(cx))
2489                    .child(
2490                        h_flex()
2491                            .h_full()
2492                            .gap(DynamicSpacing::Base02.rems(cx))
2493                            .px(DynamicSpacing::Base08.rems(cx))
2494                            .border_l_1()
2495                            .border_color(cx.theme().colors().border)
2496                            .child(new_thread_menu)
2497                            .child(self.render_panel_options_menu(window, cx)),
2498                    ),
2499            )
2500    }
2501
2502    fn render_toolbar_new(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2503        let focus_handle = self.focus_handle(cx);
2504
2505        let active_thread = match &self.active_view {
2506            ActiveView::ExternalAgentThread { thread_view } => {
2507                thread_view.read(cx).as_native_thread(cx)
2508            }
2509            ActiveView::Thread { .. }
2510            | ActiveView::TextThread { .. }
2511            | ActiveView::History
2512            | ActiveView::Configuration => None,
2513        };
2514
2515        let new_thread_menu = PopoverMenu::new("new_thread_menu")
2516            .trigger_with_tooltip(
2517                IconButton::new("new_thread_menu_btn", IconName::Plus).icon_size(IconSize::Small),
2518                {
2519                    let focus_handle = focus_handle.clone();
2520                    move |window, cx| {
2521                        Tooltip::for_action_in(
2522                            "New…",
2523                            &ToggleNewThreadMenu,
2524                            &focus_handle,
2525                            window,
2526                            cx,
2527                        )
2528                    }
2529                },
2530            )
2531            .anchor(Corner::TopLeft)
2532            .with_handle(self.new_thread_menu_handle.clone())
2533            .menu({
2534                let workspace = self.workspace.clone();
2535                let is_via_collab = workspace
2536                    .update(cx, |workspace, cx| {
2537                        workspace.project().read(cx).is_via_collab()
2538                    })
2539                    .unwrap_or_default();
2540
2541                move |window, cx| {
2542                    telemetry::event!("New Thread Clicked");
2543
2544                    let active_thread = active_thread.clone();
2545                    Some(ContextMenu::build(window, cx, |mut menu, _window, cx| {
2546                        menu = menu
2547                            .context(focus_handle.clone())
2548                            .header("Zed Agent")
2549                            .when_some(active_thread, |this, active_thread| {
2550                                let thread = active_thread.read(cx);
2551
2552                                if !thread.is_empty() {
2553                                    let session_id = thread.id().clone();
2554                                    this.item(
2555                                        ContextMenuEntry::new("New From Summary")
2556                                            .icon(IconName::ThreadFromSummary)
2557                                            .icon_color(Color::Muted)
2558                                            .handler(move |window, cx| {
2559                                                window.dispatch_action(
2560                                                    Box::new(NewNativeAgentThreadFromSummary {
2561                                                        from_session_id: session_id.clone(),
2562                                                    }),
2563                                                    cx,
2564                                                );
2565                                            }),
2566                                    )
2567                                } else {
2568                                    this
2569                                }
2570                            })
2571                            .item(
2572                                ContextMenuEntry::new("New Thread")
2573                                    .action(NewThread::default().boxed_clone())
2574                                    .icon(IconName::Thread)
2575                                    .icon_color(Color::Muted)
2576                                    .handler({
2577                                        let workspace = workspace.clone();
2578                                        move |window, cx| {
2579                                            if let Some(workspace) = workspace.upgrade() {
2580                                                workspace.update(cx, |workspace, cx| {
2581                                                    if let Some(panel) =
2582                                                        workspace.panel::<AgentPanel>(cx)
2583                                                    {
2584                                                        panel.update(cx, |panel, cx| {
2585                                                            panel.new_agent_thread(
2586                                                                AgentType::NativeAgent,
2587                                                                window,
2588                                                                cx,
2589                                                            );
2590                                                        });
2591                                                    }
2592                                                });
2593                                            }
2594                                        }
2595                                    }),
2596                            )
2597                            .item(
2598                                ContextMenuEntry::new("New Text Thread")
2599                                    .icon(IconName::TextThread)
2600                                    .icon_color(Color::Muted)
2601                                    .action(NewTextThread.boxed_clone())
2602                                    .handler({
2603                                        let workspace = workspace.clone();
2604                                        move |window, cx| {
2605                                            if let Some(workspace) = workspace.upgrade() {
2606                                                workspace.update(cx, |workspace, cx| {
2607                                                    if let Some(panel) =
2608                                                        workspace.panel::<AgentPanel>(cx)
2609                                                    {
2610                                                        panel.update(cx, |panel, cx| {
2611                                                            panel.new_agent_thread(
2612                                                                AgentType::TextThread,
2613                                                                window,
2614                                                                cx,
2615                                                            );
2616                                                        });
2617                                                    }
2618                                                });
2619                                            }
2620                                        }
2621                                    }),
2622                            )
2623                            .separator()
2624                            .header("External Agents")
2625                            .when(cx.has_flag::<GeminiAndNativeFeatureFlag>(), |menu| {
2626                                menu.item(
2627                                    ContextMenuEntry::new("New Gemini CLI Thread")
2628                                        .icon(IconName::AiGemini)
2629                                        .icon_color(Color::Muted)
2630                                        .disabled(is_via_collab)
2631                                        .handler({
2632                                            let workspace = workspace.clone();
2633                                            move |window, cx| {
2634                                                if let Some(workspace) = workspace.upgrade() {
2635                                                    workspace.update(cx, |workspace, cx| {
2636                                                        if let Some(panel) =
2637                                                            workspace.panel::<AgentPanel>(cx)
2638                                                        {
2639                                                            panel.update(cx, |panel, cx| {
2640                                                                panel.new_agent_thread(
2641                                                                    AgentType::Gemini,
2642                                                                    window,
2643                                                                    cx,
2644                                                                );
2645                                                            });
2646                                                        }
2647                                                    });
2648                                                }
2649                                            }
2650                                        }),
2651                                )
2652                            })
2653                            .when(cx.has_flag::<ClaudeCodeFeatureFlag>(), |menu| {
2654                                menu.item(
2655                                    ContextMenuEntry::new("New Claude Code Thread")
2656                                        .icon(IconName::AiClaude)
2657                                        .disabled(is_via_collab)
2658                                        .icon_color(Color::Muted)
2659                                        .handler({
2660                                            let workspace = workspace.clone();
2661                                            move |window, cx| {
2662                                                if let Some(workspace) = workspace.upgrade() {
2663                                                    workspace.update(cx, |workspace, cx| {
2664                                                        if let Some(panel) =
2665                                                            workspace.panel::<AgentPanel>(cx)
2666                                                        {
2667                                                            panel.update(cx, |panel, cx| {
2668                                                                panel.new_agent_thread(
2669                                                                    AgentType::ClaudeCode,
2670                                                                    window,
2671                                                                    cx,
2672                                                                );
2673                                                            });
2674                                                        }
2675                                                    });
2676                                                }
2677                                            }
2678                                        }),
2679                                )
2680                            })
2681                            .when(cx.has_flag::<GeminiAndNativeFeatureFlag>(), |mut menu| {
2682                                // Add custom agents from settings
2683                                let settings =
2684                                    agent_servers::AllAgentServersSettings::get_global(cx);
2685                                for (agent_name, agent_settings) in &settings.custom {
2686                                    menu = menu.item(
2687                                        ContextMenuEntry::new(format!("New {} Thread", agent_name))
2688                                            .icon(IconName::Terminal)
2689                                            .icon_color(Color::Muted)
2690                                            .disabled(is_via_collab)
2691                                            .handler({
2692                                                let workspace = workspace.clone();
2693                                                let agent_name = agent_name.clone();
2694                                                let agent_settings = agent_settings.clone();
2695                                                move |window, cx| {
2696                                                    if let Some(workspace) = workspace.upgrade() {
2697                                                        workspace.update(cx, |workspace, cx| {
2698                                                            if let Some(panel) =
2699                                                                workspace.panel::<AgentPanel>(cx)
2700                                                            {
2701                                                                panel.update(cx, |panel, cx| {
2702                                                                    panel.new_agent_thread(
2703                                                                        AgentType::Custom {
2704                                                                            name: agent_name
2705                                                                                .clone(),
2706                                                                            command: agent_settings
2707                                                                                .command
2708                                                                                .clone(),
2709                                                                        },
2710                                                                        window,
2711                                                                        cx,
2712                                                                    );
2713                                                                });
2714                                                            }
2715                                                        });
2716                                                    }
2717                                                }
2718                                            }),
2719                                    );
2720                                }
2721
2722                                menu
2723                            })
2724                            .when(cx.has_flag::<GeminiAndNativeFeatureFlag>(), |menu| {
2725                                menu.separator().link(
2726                                    "Add Other Agents",
2727                                    OpenBrowser {
2728                                        url: zed_urls::external_agents_docs(cx),
2729                                    }
2730                                    .boxed_clone(),
2731                                )
2732                            });
2733                        menu
2734                    }))
2735                }
2736            });
2737
2738        let selected_agent_label = self.selected_agent.label();
2739        let selected_agent = div()
2740            .id("selected_agent_icon")
2741            .when_some(self.selected_agent.icon(), |this, icon| {
2742                this.px(DynamicSpacing::Base02.rems(cx))
2743                    .child(Icon::new(icon).color(Color::Muted))
2744                    .tooltip(move |window, cx| {
2745                        Tooltip::with_meta(
2746                            selected_agent_label.clone(),
2747                            None,
2748                            "Selected Agent",
2749                            window,
2750                            cx,
2751                        )
2752                    })
2753            })
2754            .into_any_element();
2755
2756        h_flex()
2757            .id("agent-panel-toolbar")
2758            .h(Tab::container_height(cx))
2759            .max_w_full()
2760            .flex_none()
2761            .justify_between()
2762            .gap_2()
2763            .bg(cx.theme().colors().tab_bar_background)
2764            .border_b_1()
2765            .border_color(cx.theme().colors().border)
2766            .child(
2767                h_flex()
2768                    .size_full()
2769                    .gap(DynamicSpacing::Base04.rems(cx))
2770                    .pl(DynamicSpacing::Base04.rems(cx))
2771                    .child(match &self.active_view {
2772                        ActiveView::History | ActiveView::Configuration => {
2773                            self.render_toolbar_back_button(cx).into_any_element()
2774                        }
2775                        _ => selected_agent.into_any_element(),
2776                    })
2777                    .child(self.render_title_view(window, cx)),
2778            )
2779            .child(
2780                h_flex()
2781                    .flex_none()
2782                    .gap(DynamicSpacing::Base02.rems(cx))
2783                    .pl(DynamicSpacing::Base04.rems(cx))
2784                    .pr(DynamicSpacing::Base06.rems(cx))
2785                    .child(new_thread_menu)
2786                    .child(self.render_recent_entries_menu(
2787                        IconName::MenuAltTemp,
2788                        Corner::TopRight,
2789                        cx,
2790                    ))
2791                    .child(self.render_panel_options_menu(window, cx)),
2792            )
2793    }
2794
2795    fn render_toolbar(&self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
2796        if cx.has_flag::<feature_flags::GeminiAndNativeFeatureFlag>()
2797            || cx.has_flag::<feature_flags::ClaudeCodeFeatureFlag>()
2798        {
2799            self.render_toolbar_new(window, cx).into_any_element()
2800        } else {
2801            self.render_toolbar_old(window, cx).into_any_element()
2802        }
2803    }
2804
2805    fn render_token_count(&self, cx: &App) -> Option<AnyElement> {
2806        match &self.active_view {
2807            ActiveView::Thread {
2808                thread,
2809                message_editor,
2810                ..
2811            } => {
2812                let active_thread = thread.read(cx);
2813                let message_editor = message_editor.read(cx);
2814
2815                let editor_empty = message_editor.is_editor_fully_empty(cx);
2816
2817                if active_thread.is_empty() && editor_empty {
2818                    return None;
2819                }
2820
2821                let thread = active_thread.thread().read(cx);
2822                let is_generating = thread.is_generating();
2823                let conversation_token_usage = thread.total_token_usage()?;
2824
2825                let (total_token_usage, is_estimating) =
2826                    if let Some((editing_message_id, unsent_tokens)) =
2827                        active_thread.editing_message_id()
2828                    {
2829                        let combined = thread
2830                            .token_usage_up_to_message(editing_message_id)
2831                            .add(unsent_tokens);
2832
2833                        (combined, unsent_tokens > 0)
2834                    } else {
2835                        let unsent_tokens =
2836                            message_editor.last_estimated_token_count().unwrap_or(0);
2837                        let combined = conversation_token_usage.add(unsent_tokens);
2838
2839                        (combined, unsent_tokens > 0)
2840                    };
2841
2842                let is_waiting_to_update_token_count =
2843                    message_editor.is_waiting_to_update_token_count();
2844
2845                if total_token_usage.total == 0 {
2846                    return None;
2847                }
2848
2849                let token_color = match total_token_usage.ratio() {
2850                    TokenUsageRatio::Normal if is_estimating => Color::Default,
2851                    TokenUsageRatio::Normal => Color::Muted,
2852                    TokenUsageRatio::Warning => Color::Warning,
2853                    TokenUsageRatio::Exceeded => Color::Error,
2854                };
2855
2856                let token_count = h_flex()
2857                    .id("token-count")
2858                    .flex_shrink_0()
2859                    .gap_0p5()
2860                    .when(!is_generating && is_estimating, |parent| {
2861                        parent
2862                            .child(
2863                                h_flex()
2864                                    .mr_1()
2865                                    .size_2p5()
2866                                    .justify_center()
2867                                    .rounded_full()
2868                                    .bg(cx.theme().colors().text.opacity(0.1))
2869                                    .child(
2870                                        div().size_1().rounded_full().bg(cx.theme().colors().text),
2871                                    ),
2872                            )
2873                            .tooltip(move |window, cx| {
2874                                Tooltip::with_meta(
2875                                    "Estimated New Token Count",
2876                                    None,
2877                                    format!(
2878                                        "Current Conversation Tokens: {}",
2879                                        humanize_token_count(conversation_token_usage.total)
2880                                    ),
2881                                    window,
2882                                    cx,
2883                                )
2884                            })
2885                    })
2886                    .child(
2887                        Label::new(humanize_token_count(total_token_usage.total))
2888                            .size(LabelSize::Small)
2889                            .color(token_color)
2890                            .map(|label| {
2891                                if is_generating || is_waiting_to_update_token_count {
2892                                    label
2893                                        .with_animation(
2894                                            "used-tokens-label",
2895                                            Animation::new(Duration::from_secs(2))
2896                                                .repeat()
2897                                                .with_easing(pulsating_between(0.6, 1.)),
2898                                            |label, delta| label.alpha(delta),
2899                                        )
2900                                        .into_any()
2901                                } else {
2902                                    label.into_any_element()
2903                                }
2904                            }),
2905                    )
2906                    .child(Label::new("/").size(LabelSize::Small).color(Color::Muted))
2907                    .child(
2908                        Label::new(humanize_token_count(total_token_usage.max))
2909                            .size(LabelSize::Small)
2910                            .color(Color::Muted),
2911                    )
2912                    .into_any();
2913
2914                Some(token_count)
2915            }
2916            ActiveView::ExternalAgentThread { .. }
2917            | ActiveView::TextThread { .. }
2918            | ActiveView::History
2919            | ActiveView::Configuration => None,
2920        }
2921    }
2922
2923    fn should_render_trial_end_upsell(&self, cx: &mut Context<Self>) -> bool {
2924        if TrialEndUpsell::dismissed() {
2925            return false;
2926        }
2927
2928        match &self.active_view {
2929            ActiveView::Thread { thread, .. } => {
2930                if thread
2931                    .read(cx)
2932                    .thread()
2933                    .read(cx)
2934                    .configured_model()
2935                    .is_some_and(|model| {
2936                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2937                    })
2938                {
2939                    return false;
2940                }
2941            }
2942            ActiveView::TextThread { .. } => {
2943                if LanguageModelRegistry::global(cx)
2944                    .read(cx)
2945                    .default_model()
2946                    .is_some_and(|model| {
2947                        model.provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2948                    })
2949                {
2950                    return false;
2951                }
2952            }
2953            ActiveView::ExternalAgentThread { .. }
2954            | ActiveView::History
2955            | ActiveView::Configuration => return false,
2956        }
2957
2958        let plan = self.user_store.read(cx).plan();
2959        let has_previous_trial = self.user_store.read(cx).trial_started_at().is_some();
2960
2961        matches!(plan, Some(Plan::ZedFree)) && has_previous_trial
2962    }
2963
2964    fn should_render_onboarding(&self, cx: &mut Context<Self>) -> bool {
2965        if OnboardingUpsell::dismissed() {
2966            return false;
2967        }
2968
2969        match &self.active_view {
2970            ActiveView::History | ActiveView::Configuration => false,
2971            ActiveView::ExternalAgentThread { thread_view, .. }
2972                if thread_view.read(cx).as_native_thread(cx).is_none() =>
2973            {
2974                false
2975            }
2976            _ => {
2977                let history_is_empty = if cx.has_flag::<GeminiAndNativeFeatureFlag>() {
2978                    self.acp_history_store.read(cx).is_empty(cx)
2979                } else {
2980                    self.history_store
2981                        .update(cx, |store, cx| store.recent_entries(1, cx).is_empty())
2982                };
2983
2984                let has_configured_non_zed_providers = LanguageModelRegistry::read_global(cx)
2985                    .providers()
2986                    .iter()
2987                    .any(|provider| {
2988                        provider.is_authenticated(cx)
2989                            && provider.id() != language_model::ZED_CLOUD_PROVIDER_ID
2990                    });
2991
2992                history_is_empty || !has_configured_non_zed_providers
2993            }
2994        }
2995    }
2996
2997    fn render_onboarding(
2998        &self,
2999        _window: &mut Window,
3000        cx: &mut Context<Self>,
3001    ) -> Option<impl IntoElement> {
3002        if !self.should_render_onboarding(cx) {
3003            return None;
3004        }
3005
3006        let thread_view = matches!(&self.active_view, ActiveView::Thread { .. });
3007        let text_thread_view = matches!(&self.active_view, ActiveView::TextThread { .. });
3008
3009        Some(
3010            div()
3011                .when(thread_view, |this| {
3012                    this.size_full().bg(cx.theme().colors().panel_background)
3013                })
3014                .when(text_thread_view, |this| {
3015                    this.bg(cx.theme().colors().editor_background)
3016                })
3017                .child(self.onboarding.clone()),
3018        )
3019    }
3020
3021    fn render_backdrop(&self, cx: &mut Context<Self>) -> impl IntoElement {
3022        div()
3023            .size_full()
3024            .absolute()
3025            .inset_0()
3026            .bg(cx.theme().colors().panel_background)
3027            .opacity(0.8)
3028            .block_mouse_except_scroll()
3029    }
3030
3031    fn render_trial_end_upsell(
3032        &self,
3033        _window: &mut Window,
3034        cx: &mut Context<Self>,
3035    ) -> Option<impl IntoElement> {
3036        if !self.should_render_trial_end_upsell(cx) {
3037            return None;
3038        }
3039
3040        Some(
3041            v_flex()
3042                .absolute()
3043                .inset_0()
3044                .size_full()
3045                .bg(cx.theme().colors().panel_background)
3046                .opacity(0.85)
3047                .block_mouse_except_scroll()
3048                .child(EndTrialUpsell::new(Arc::new({
3049                    let this = cx.entity();
3050                    move |_, cx| {
3051                        this.update(cx, |_this, cx| {
3052                            TrialEndUpsell::set_dismissed(true, cx);
3053                            cx.notify();
3054                        });
3055                    }
3056                }))),
3057        )
3058    }
3059
3060    fn render_empty_state_section_header(
3061        &self,
3062        label: impl Into<SharedString>,
3063        action_slot: Option<AnyElement>,
3064        cx: &mut Context<Self>,
3065    ) -> impl IntoElement {
3066        div().pl_1().pr_1p5().child(
3067            h_flex()
3068                .mt_2()
3069                .pl_1p5()
3070                .pb_1()
3071                .w_full()
3072                .justify_between()
3073                .border_b_1()
3074                .border_color(cx.theme().colors().border_variant)
3075                .child(
3076                    Label::new(label.into())
3077                        .size(LabelSize::Small)
3078                        .color(Color::Muted),
3079                )
3080                .children(action_slot),
3081        )
3082    }
3083
3084    fn render_thread_empty_state(
3085        &self,
3086        window: &mut Window,
3087        cx: &mut Context<Self>,
3088    ) -> impl IntoElement {
3089        let recent_history = self
3090            .history_store
3091            .update(cx, |this, cx| this.recent_entries(6, cx));
3092
3093        let model_registry = LanguageModelRegistry::read_global(cx);
3094
3095        let configuration_error =
3096            model_registry.configuration_error(model_registry.default_model(), cx);
3097
3098        let no_error = configuration_error.is_none();
3099        let focus_handle = self.focus_handle(cx);
3100
3101        v_flex()
3102            .size_full()
3103            .bg(cx.theme().colors().panel_background)
3104            .when(recent_history.is_empty(), |this| {
3105                this.child(
3106                    v_flex()
3107                        .size_full()
3108                        .mx_auto()
3109                        .justify_center()
3110                        .items_center()
3111                        .gap_1()
3112                        .child(h_flex().child(Headline::new("Welcome to the Agent Panel")))
3113                        .when(no_error, |parent| {
3114                            parent
3115                                .child(h_flex().child(
3116                                    Label::new("Ask and build anything.").color(Color::Muted),
3117                                ))
3118                                .child(
3119                                    v_flex()
3120                                        .mt_2()
3121                                        .gap_1()
3122                                        .max_w_48()
3123                                        .child(
3124                                            Button::new("context", "Add Context")
3125                                                .label_size(LabelSize::Small)
3126                                                .icon(IconName::FileCode)
3127                                                .icon_position(IconPosition::Start)
3128                                                .icon_size(IconSize::Small)
3129                                                .icon_color(Color::Muted)
3130                                                .full_width()
3131                                                .key_binding(KeyBinding::for_action_in(
3132                                                    &ToggleContextPicker,
3133                                                    &focus_handle,
3134                                                    window,
3135                                                    cx,
3136                                                ))
3137                                                .on_click(|_event, window, cx| {
3138                                                    window.dispatch_action(
3139                                                        ToggleContextPicker.boxed_clone(),
3140                                                        cx,
3141                                                    )
3142                                                }),
3143                                        )
3144                                        .child(
3145                                            Button::new("mode", "Switch Model")
3146                                                .label_size(LabelSize::Small)
3147                                                .icon(IconName::DatabaseZap)
3148                                                .icon_position(IconPosition::Start)
3149                                                .icon_size(IconSize::Small)
3150                                                .icon_color(Color::Muted)
3151                                                .full_width()
3152                                                .key_binding(KeyBinding::for_action_in(
3153                                                    &ToggleModelSelector,
3154                                                    &focus_handle,
3155                                                    window,
3156                                                    cx,
3157                                                ))
3158                                                .on_click(|_event, window, cx| {
3159                                                    window.dispatch_action(
3160                                                        ToggleModelSelector.boxed_clone(),
3161                                                        cx,
3162                                                    )
3163                                                }),
3164                                        )
3165                                        .child(
3166                                            Button::new("settings", "View Settings")
3167                                                .label_size(LabelSize::Small)
3168                                                .icon(IconName::Settings)
3169                                                .icon_position(IconPosition::Start)
3170                                                .icon_size(IconSize::Small)
3171                                                .icon_color(Color::Muted)
3172                                                .full_width()
3173                                                .key_binding(KeyBinding::for_action_in(
3174                                                    &OpenSettings,
3175                                                    &focus_handle,
3176                                                    window,
3177                                                    cx,
3178                                                ))
3179                                                .on_click(|_event, window, cx| {
3180                                                    window.dispatch_action(
3181                                                        OpenSettings.boxed_clone(),
3182                                                        cx,
3183                                                    )
3184                                                }),
3185                                        ),
3186                                )
3187                        }),
3188                )
3189            })
3190            .when(!recent_history.is_empty(), |parent| {
3191                parent
3192                    .overflow_hidden()
3193                    .justify_end()
3194                    .gap_1()
3195                    .child(
3196                        self.render_empty_state_section_header(
3197                            "Recent",
3198                            Some(
3199                                Button::new("view-history", "View All")
3200                                    .style(ButtonStyle::Subtle)
3201                                    .label_size(LabelSize::Small)
3202                                    .key_binding(
3203                                        KeyBinding::for_action_in(
3204                                            &OpenHistory,
3205                                            &self.focus_handle(cx),
3206                                            window,
3207                                            cx,
3208                                        )
3209                                        .map(|kb| kb.size(rems_from_px(12.))),
3210                                    )
3211                                    .on_click(move |_event, window, cx| {
3212                                        window.dispatch_action(OpenHistory.boxed_clone(), cx);
3213                                    })
3214                                    .into_any_element(),
3215                            ),
3216                            cx,
3217                        ),
3218                    )
3219                    .child(
3220                        v_flex().p_1().pr_1p5().gap_1().children(
3221                            recent_history
3222                                .into_iter()
3223                                .enumerate()
3224                                .map(|(index, entry)| {
3225                                    // TODO: Add keyboard navigation.
3226                                    let is_hovered =
3227                                        self.hovered_recent_history_item == Some(index);
3228                                    HistoryEntryElement::new(entry, cx.entity().downgrade())
3229                                        .hovered(is_hovered)
3230                                        .on_hover(cx.listener(
3231                                            move |this, is_hovered, _window, cx| {
3232                                                if *is_hovered {
3233                                                    this.hovered_recent_history_item = Some(index);
3234                                                } else if this.hovered_recent_history_item
3235                                                    == Some(index)
3236                                                {
3237                                                    this.hovered_recent_history_item = None;
3238                                                }
3239                                                cx.notify();
3240                                            },
3241                                        ))
3242                                        .into_any_element()
3243                                }),
3244                        ),
3245                    )
3246            })
3247            .when_some(configuration_error.as_ref(), |this, err| {
3248                this.child(self.render_configuration_error(false, err, &focus_handle, window, cx))
3249            })
3250    }
3251
3252    fn render_configuration_error(
3253        &self,
3254        border_bottom: bool,
3255        configuration_error: &ConfigurationError,
3256        focus_handle: &FocusHandle,
3257        window: &mut Window,
3258        cx: &mut App,
3259    ) -> impl IntoElement {
3260        let zed_provider_configured = AgentSettings::get_global(cx)
3261            .default_model
3262            .as_ref()
3263            .is_some_and(|selection| selection.provider.0.as_str() == "zed.dev");
3264
3265        let callout = if zed_provider_configured {
3266            Callout::new()
3267                .icon(IconName::Warning)
3268                .severity(Severity::Warning)
3269                .when(border_bottom, |this| {
3270                    this.border_position(ui::BorderPosition::Bottom)
3271                })
3272                .title("Sign in to continue using Zed as your LLM provider.")
3273                .actions_slot(
3274                    Button::new("sign_in", "Sign In")
3275                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
3276                        .label_size(LabelSize::Small)
3277                        .on_click({
3278                            let workspace = self.workspace.clone();
3279                            move |_, _, cx| {
3280                                let Ok(client) =
3281                                    workspace.update(cx, |workspace, _| workspace.client().clone())
3282                                else {
3283                                    return;
3284                                };
3285
3286                                cx.spawn(async move |cx| {
3287                                    client.sign_in_with_optional_connect(true, cx).await
3288                                })
3289                                .detach_and_log_err(cx);
3290                            }
3291                        }),
3292                )
3293        } else {
3294            Callout::new()
3295                .icon(IconName::Warning)
3296                .severity(Severity::Warning)
3297                .when(border_bottom, |this| {
3298                    this.border_position(ui::BorderPosition::Bottom)
3299                })
3300                .title(configuration_error.to_string())
3301                .actions_slot(
3302                    Button::new("settings", "Configure")
3303                        .style(ButtonStyle::Tinted(ui::TintColor::Warning))
3304                        .label_size(LabelSize::Small)
3305                        .key_binding(
3306                            KeyBinding::for_action_in(&OpenSettings, focus_handle, window, cx)
3307                                .map(|kb| kb.size(rems_from_px(12.))),
3308                        )
3309                        .on_click(|_event, window, cx| {
3310                            window.dispatch_action(OpenSettings.boxed_clone(), cx)
3311                        }),
3312                )
3313        };
3314
3315        match configuration_error {
3316            ConfigurationError::ModelNotFound
3317            | ConfigurationError::ProviderNotAuthenticated(_)
3318            | ConfigurationError::NoProvider => callout.into_any_element(),
3319        }
3320    }
3321
3322    fn render_tool_use_limit_reached(
3323        &self,
3324        window: &mut Window,
3325        cx: &mut Context<Self>,
3326    ) -> Option<AnyElement> {
3327        let active_thread = match &self.active_view {
3328            ActiveView::Thread { thread, .. } => thread,
3329            ActiveView::ExternalAgentThread { .. } => {
3330                return None;
3331            }
3332            ActiveView::TextThread { .. } | ActiveView::History | ActiveView::Configuration => {
3333                return None;
3334            }
3335        };
3336
3337        let thread = active_thread.read(cx).thread().read(cx);
3338
3339        let tool_use_limit_reached = thread.tool_use_limit_reached();
3340        if !tool_use_limit_reached {
3341            return None;
3342        }
3343
3344        let model = thread.configured_model()?.model;
3345
3346        let focus_handle = self.focus_handle(cx);
3347
3348        let banner = Banner::new()
3349            .severity(Severity::Info)
3350            .child(Label::new("Consecutive tool use limit reached.").size(LabelSize::Small))
3351            .action_slot(
3352                h_flex()
3353                    .gap_1()
3354                    .child(
3355                        Button::new("continue-conversation", "Continue")
3356                            .layer(ElevationIndex::ModalSurface)
3357                            .label_size(LabelSize::Small)
3358                            .key_binding(
3359                                KeyBinding::for_action_in(
3360                                    &ContinueThread,
3361                                    &focus_handle,
3362                                    window,
3363                                    cx,
3364                                )
3365                                .map(|kb| kb.size(rems_from_px(10.))),
3366                            )
3367                            .on_click(cx.listener(|this, _, window, cx| {
3368                                this.continue_conversation(window, cx);
3369                            })),
3370                    )
3371                    .when(model.supports_burn_mode(), |this| {
3372                        this.child(
3373                            Button::new("continue-burn-mode", "Continue with Burn Mode")
3374                                .style(ButtonStyle::Filled)
3375                                .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3376                                .layer(ElevationIndex::ModalSurface)
3377                                .label_size(LabelSize::Small)
3378                                .key_binding(
3379                                    KeyBinding::for_action_in(
3380                                        &ContinueWithBurnMode,
3381                                        &focus_handle,
3382                                        window,
3383                                        cx,
3384                                    )
3385                                    .map(|kb| kb.size(rems_from_px(10.))),
3386                                )
3387                                .tooltip(Tooltip::text("Enable Burn Mode for unlimited tool use."))
3388                                .on_click({
3389                                    let active_thread = active_thread.clone();
3390                                    cx.listener(move |this, _, window, cx| {
3391                                        active_thread.update(cx, |active_thread, cx| {
3392                                            active_thread.thread().update(cx, |thread, _cx| {
3393                                                thread.set_completion_mode(CompletionMode::Burn);
3394                                            });
3395                                        });
3396                                        this.continue_conversation(window, cx);
3397                                    })
3398                                }),
3399                        )
3400                    }),
3401            );
3402
3403        Some(div().px_2().pb_2().child(banner).into_any_element())
3404    }
3405
3406    fn create_copy_button(&self, message: impl Into<String>) -> impl IntoElement {
3407        let message = message.into();
3408
3409        IconButton::new("copy", IconName::Copy)
3410            .icon_size(IconSize::Small)
3411            .icon_color(Color::Muted)
3412            .tooltip(Tooltip::text("Copy Error Message"))
3413            .on_click(move |_, _, cx| {
3414                cx.write_to_clipboard(ClipboardItem::new_string(message.clone()))
3415            })
3416    }
3417
3418    fn dismiss_error_button(
3419        &self,
3420        thread: &Entity<ActiveThread>,
3421        cx: &mut Context<Self>,
3422    ) -> impl IntoElement {
3423        IconButton::new("dismiss", IconName::Close)
3424            .icon_size(IconSize::Small)
3425            .icon_color(Color::Muted)
3426            .tooltip(Tooltip::text("Dismiss Error"))
3427            .on_click(cx.listener({
3428                let thread = thread.clone();
3429                move |_, _, _, cx| {
3430                    thread.update(cx, |this, _cx| {
3431                        this.clear_last_error();
3432                    });
3433
3434                    cx.notify();
3435                }
3436            }))
3437    }
3438
3439    fn upgrade_button(
3440        &self,
3441        thread: &Entity<ActiveThread>,
3442        cx: &mut Context<Self>,
3443    ) -> impl IntoElement {
3444        Button::new("upgrade", "Upgrade")
3445            .label_size(LabelSize::Small)
3446            .style(ButtonStyle::Tinted(ui::TintColor::Accent))
3447            .on_click(cx.listener({
3448                let thread = thread.clone();
3449                move |_, _, _, cx| {
3450                    thread.update(cx, |this, _cx| {
3451                        this.clear_last_error();
3452                    });
3453
3454                    cx.open_url(&zed_urls::upgrade_to_zed_pro_url(cx));
3455                    cx.notify();
3456                }
3457            }))
3458    }
3459
3460    fn render_payment_required_error(
3461        &self,
3462        thread: &Entity<ActiveThread>,
3463        cx: &mut Context<Self>,
3464    ) -> AnyElement {
3465        const ERROR_MESSAGE: &str =
3466            "You reached your free usage limit. Upgrade to Zed Pro for more prompts.";
3467
3468        Callout::new()
3469            .severity(Severity::Error)
3470            .icon(IconName::XCircle)
3471            .title("Free Usage Exceeded")
3472            .description(ERROR_MESSAGE)
3473            .actions_slot(
3474                h_flex()
3475                    .gap_0p5()
3476                    .child(self.upgrade_button(thread, cx))
3477                    .child(self.create_copy_button(ERROR_MESSAGE)),
3478            )
3479            .dismiss_action(self.dismiss_error_button(thread, cx))
3480            .into_any_element()
3481    }
3482
3483    fn render_model_request_limit_reached_error(
3484        &self,
3485        plan: Plan,
3486        thread: &Entity<ActiveThread>,
3487        cx: &mut Context<Self>,
3488    ) -> AnyElement {
3489        let error_message = match plan {
3490            Plan::ZedPro => "Upgrade to usage-based billing for more prompts.",
3491            Plan::ZedProTrial | Plan::ZedFree => "Upgrade to Zed Pro for more prompts.",
3492        };
3493
3494        Callout::new()
3495            .severity(Severity::Error)
3496            .title("Model Prompt Limit Reached")
3497            .description(error_message)
3498            .actions_slot(
3499                h_flex()
3500                    .gap_0p5()
3501                    .child(self.upgrade_button(thread, cx))
3502                    .child(self.create_copy_button(error_message)),
3503            )
3504            .dismiss_action(self.dismiss_error_button(thread, cx))
3505            .into_any_element()
3506    }
3507
3508    fn render_retry_button(&self, thread: &Entity<ActiveThread>) -> AnyElement {
3509        Button::new("retry", "Retry")
3510            .icon(IconName::RotateCw)
3511            .icon_position(IconPosition::Start)
3512            .icon_size(IconSize::Small)
3513            .label_size(LabelSize::Small)
3514            .on_click({
3515                let thread = thread.clone();
3516                move |_, window, cx| {
3517                    thread.update(cx, |thread, cx| {
3518                        thread.clear_last_error();
3519                        thread.thread().update(cx, |thread, cx| {
3520                            thread.retry_last_completion(Some(window.window_handle()), cx);
3521                        });
3522                    });
3523                }
3524            })
3525            .into_any_element()
3526    }
3527
3528    fn render_error_message(
3529        &self,
3530        header: SharedString,
3531        message: SharedString,
3532        thread: &Entity<ActiveThread>,
3533        cx: &mut Context<Self>,
3534    ) -> AnyElement {
3535        let message_with_header = format!("{}\n{}", header, message);
3536
3537        Callout::new()
3538            .severity(Severity::Error)
3539            .icon(IconName::XCircle)
3540            .title(header)
3541            .description(message)
3542            .actions_slot(
3543                h_flex()
3544                    .gap_0p5()
3545                    .child(self.render_retry_button(thread))
3546                    .child(self.create_copy_button(message_with_header)),
3547            )
3548            .dismiss_action(self.dismiss_error_button(thread, cx))
3549            .into_any_element()
3550    }
3551
3552    fn render_retryable_error(
3553        &self,
3554        message: SharedString,
3555        can_enable_burn_mode: bool,
3556        thread: &Entity<ActiveThread>,
3557    ) -> AnyElement {
3558        Callout::new()
3559            .severity(Severity::Error)
3560            .title("Error")
3561            .description(message)
3562            .actions_slot(
3563                h_flex()
3564                    .gap_0p5()
3565                    .when(can_enable_burn_mode, |this| {
3566                        this.child(
3567                            Button::new("enable_burn_retry", "Enable Burn Mode and Retry")
3568                                .icon(IconName::ZedBurnMode)
3569                                .icon_position(IconPosition::Start)
3570                                .icon_size(IconSize::Small)
3571                                .label_size(LabelSize::Small)
3572                                .on_click({
3573                                    let thread = thread.clone();
3574                                    move |_, window, cx| {
3575                                        thread.update(cx, |thread, cx| {
3576                                            thread.clear_last_error();
3577                                            thread.thread().update(cx, |thread, cx| {
3578                                                thread.enable_burn_mode_and_retry(
3579                                                    Some(window.window_handle()),
3580                                                    cx,
3581                                                );
3582                                            });
3583                                        });
3584                                    }
3585                                }),
3586                        )
3587                    })
3588                    .child(self.render_retry_button(thread)),
3589            )
3590            .into_any_element()
3591    }
3592
3593    fn render_prompt_editor(
3594        &self,
3595        context_editor: &Entity<TextThreadEditor>,
3596        buffer_search_bar: &Entity<BufferSearchBar>,
3597        window: &mut Window,
3598        cx: &mut Context<Self>,
3599    ) -> Div {
3600        let mut registrar = buffer_search::DivRegistrar::new(
3601            |this, _, _cx| match &this.active_view {
3602                ActiveView::TextThread {
3603                    buffer_search_bar, ..
3604                } => Some(buffer_search_bar.clone()),
3605                _ => None,
3606            },
3607            cx,
3608        );
3609        BufferSearchBar::register(&mut registrar);
3610        registrar
3611            .into_div()
3612            .size_full()
3613            .relative()
3614            .map(|parent| {
3615                buffer_search_bar.update(cx, |buffer_search_bar, cx| {
3616                    if buffer_search_bar.is_dismissed() {
3617                        return parent;
3618                    }
3619                    parent.child(
3620                        div()
3621                            .p(DynamicSpacing::Base08.rems(cx))
3622                            .border_b_1()
3623                            .border_color(cx.theme().colors().border_variant)
3624                            .bg(cx.theme().colors().editor_background)
3625                            .child(buffer_search_bar.render(window, cx)),
3626                    )
3627                })
3628            })
3629            .child(context_editor.clone())
3630            .child(self.render_drag_target(cx))
3631    }
3632
3633    fn render_drag_target(&self, cx: &Context<Self>) -> Div {
3634        let is_local = self.project.read(cx).is_local();
3635        div()
3636            .invisible()
3637            .absolute()
3638            .top_0()
3639            .right_0()
3640            .bottom_0()
3641            .left_0()
3642            .bg(cx.theme().colors().drop_target_background)
3643            .drag_over::<DraggedTab>(|this, _, _, _| this.visible())
3644            .drag_over::<DraggedSelection>(|this, _, _, _| this.visible())
3645            .when(is_local, |this| {
3646                this.drag_over::<ExternalPaths>(|this, _, _, _| this.visible())
3647            })
3648            .on_drop(cx.listener(move |this, tab: &DraggedTab, window, cx| {
3649                let item = tab.pane.read(cx).item_for_index(tab.ix);
3650                let project_paths = item
3651                    .and_then(|item| item.project_path(cx))
3652                    .into_iter()
3653                    .collect::<Vec<_>>();
3654                this.handle_drop(project_paths, vec![], window, cx);
3655            }))
3656            .on_drop(
3657                cx.listener(move |this, selection: &DraggedSelection, window, cx| {
3658                    let project_paths = selection
3659                        .items()
3660                        .filter_map(|item| this.project.read(cx).path_for_entry(item.entry_id, cx))
3661                        .collect::<Vec<_>>();
3662                    this.handle_drop(project_paths, vec![], window, cx);
3663                }),
3664            )
3665            .on_drop(cx.listener(move |this, paths: &ExternalPaths, window, cx| {
3666                let tasks = paths
3667                    .paths()
3668                    .iter()
3669                    .map(|path| {
3670                        Workspace::project_path_for_path(this.project.clone(), path, false, cx)
3671                    })
3672                    .collect::<Vec<_>>();
3673                cx.spawn_in(window, async move |this, cx| {
3674                    let mut paths = vec![];
3675                    let mut added_worktrees = vec![];
3676                    let opened_paths = futures::future::join_all(tasks).await;
3677                    for entry in opened_paths {
3678                        if let Some((worktree, project_path)) = entry.log_err() {
3679                            added_worktrees.push(worktree);
3680                            paths.push(project_path);
3681                        }
3682                    }
3683                    this.update_in(cx, |this, window, cx| {
3684                        this.handle_drop(paths, added_worktrees, window, cx);
3685                    })
3686                    .ok();
3687                })
3688                .detach();
3689            }))
3690    }
3691
3692    fn handle_drop(
3693        &mut self,
3694        paths: Vec<ProjectPath>,
3695        added_worktrees: Vec<Entity<Worktree>>,
3696        window: &mut Window,
3697        cx: &mut Context<Self>,
3698    ) {
3699        match &self.active_view {
3700            ActiveView::Thread { thread, .. } => {
3701                let context_store = thread.read(cx).context_store().clone();
3702                context_store.update(cx, move |context_store, cx| {
3703                    let mut tasks = Vec::new();
3704                    for project_path in &paths {
3705                        tasks.push(context_store.add_file_from_path(
3706                            project_path.clone(),
3707                            false,
3708                            cx,
3709                        ));
3710                    }
3711                    cx.background_spawn(async move {
3712                        futures::future::join_all(tasks).await;
3713                        // Need to hold onto the worktrees until they have already been used when
3714                        // opening the buffers.
3715                        drop(added_worktrees);
3716                    })
3717                    .detach();
3718                });
3719            }
3720            ActiveView::ExternalAgentThread { thread_view } => {
3721                thread_view.update(cx, |thread_view, cx| {
3722                    thread_view.insert_dragged_files(paths, added_worktrees, window, cx);
3723                });
3724            }
3725            ActiveView::TextThread { context_editor, .. } => {
3726                context_editor.update(cx, |context_editor, cx| {
3727                    TextThreadEditor::insert_dragged_files(
3728                        context_editor,
3729                        paths,
3730                        added_worktrees,
3731                        window,
3732                        cx,
3733                    );
3734                });
3735            }
3736            ActiveView::History | ActiveView::Configuration => {}
3737        }
3738    }
3739
3740    fn key_context(&self) -> KeyContext {
3741        let mut key_context = KeyContext::new_with_defaults();
3742        key_context.add("AgentPanel");
3743        match &self.active_view {
3744            ActiveView::ExternalAgentThread { .. } => key_context.add("external_agent_thread"),
3745            ActiveView::TextThread { .. } => key_context.add("prompt_editor"),
3746            ActiveView::Thread { .. } | ActiveView::History | ActiveView::Configuration => {}
3747        }
3748        key_context
3749    }
3750}
3751
3752impl Render for AgentPanel {
3753    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
3754        // WARNING: Changes to this element hierarchy can have
3755        // non-obvious implications to the layout of children.
3756        //
3757        // If you need to change it, please confirm:
3758        // - The message editor expands (cmd-option-esc) correctly
3759        // - When expanded, the buttons at the bottom of the panel are displayed correctly
3760        // - Font size works as expected and can be changed with cmd-+/cmd-
3761        // - Scrolling in all views works as expected
3762        // - Files can be dropped into the panel
3763        let content = v_flex()
3764            .relative()
3765            .size_full()
3766            .justify_between()
3767            .key_context(self.key_context())
3768            .on_action(cx.listener(Self::cancel))
3769            .on_action(cx.listener(|this, action: &NewThread, window, cx| {
3770                this.new_thread(action, window, cx);
3771            }))
3772            .on_action(cx.listener(|this, _: &OpenHistory, window, cx| {
3773                this.open_history(window, cx);
3774            }))
3775            .on_action(cx.listener(|this, _: &OpenSettings, window, cx| {
3776                this.open_configuration(window, cx);
3777            }))
3778            .on_action(cx.listener(Self::open_active_thread_as_markdown))
3779            .on_action(cx.listener(Self::deploy_rules_library))
3780            .on_action(cx.listener(Self::open_agent_diff))
3781            .on_action(cx.listener(Self::go_back))
3782            .on_action(cx.listener(Self::toggle_navigation_menu))
3783            .on_action(cx.listener(Self::toggle_options_menu))
3784            .on_action(cx.listener(Self::increase_font_size))
3785            .on_action(cx.listener(Self::decrease_font_size))
3786            .on_action(cx.listener(Self::reset_font_size))
3787            .on_action(cx.listener(Self::toggle_zoom))
3788            .on_action(cx.listener(|this, _: &ContinueThread, window, cx| {
3789                this.continue_conversation(window, cx);
3790            }))
3791            .on_action(cx.listener(|this, _: &ContinueWithBurnMode, window, cx| {
3792                match &this.active_view {
3793                    ActiveView::Thread { thread, .. } => {
3794                        thread.update(cx, |active_thread, cx| {
3795                            active_thread.thread().update(cx, |thread, _cx| {
3796                                thread.set_completion_mode(CompletionMode::Burn);
3797                            });
3798                        });
3799                        this.continue_conversation(window, cx);
3800                    }
3801                    ActiveView::ExternalAgentThread { .. } => {}
3802                    ActiveView::TextThread { .. }
3803                    | ActiveView::History
3804                    | ActiveView::Configuration => {}
3805                }
3806            }))
3807            .on_action(cx.listener(Self::toggle_burn_mode))
3808            .on_action(cx.listener(|this, _: &ReauthenticateAgent, window, cx| {
3809                if let Some(thread_view) = this.active_thread_view() {
3810                    thread_view.update(cx, |thread_view, cx| thread_view.reauthenticate(window, cx))
3811                }
3812            }))
3813            .child(self.render_toolbar(window, cx))
3814            .children(self.render_onboarding(window, cx))
3815            .map(|parent| match &self.active_view {
3816                ActiveView::Thread {
3817                    thread,
3818                    message_editor,
3819                    ..
3820                } => parent
3821                    .child(
3822                        if thread.read(cx).is_empty() && !self.should_render_onboarding(cx) {
3823                            self.render_thread_empty_state(window, cx)
3824                                .into_any_element()
3825                        } else {
3826                            thread.clone().into_any_element()
3827                        },
3828                    )
3829                    .children(self.render_tool_use_limit_reached(window, cx))
3830                    .when_some(thread.read(cx).last_error(), |this, last_error| {
3831                        this.child(
3832                            div()
3833                                .child(match last_error {
3834                                    ThreadError::PaymentRequired => {
3835                                        self.render_payment_required_error(thread, cx)
3836                                    }
3837                                    ThreadError::ModelRequestLimitReached { plan } => self
3838                                        .render_model_request_limit_reached_error(plan, thread, cx),
3839                                    ThreadError::Message { header, message } => {
3840                                        self.render_error_message(header, message, thread, cx)
3841                                    }
3842                                    ThreadError::RetryableError {
3843                                        message,
3844                                        can_enable_burn_mode,
3845                                    } => self.render_retryable_error(
3846                                        message,
3847                                        can_enable_burn_mode,
3848                                        thread,
3849                                    ),
3850                                })
3851                                .into_any(),
3852                        )
3853                    })
3854                    .child(h_flex().relative().child(message_editor.clone()).when(
3855                        !LanguageModelRegistry::read_global(cx).has_authenticated_provider(cx),
3856                        |this| this.child(self.render_backdrop(cx)),
3857                    ))
3858                    .child(self.render_drag_target(cx)),
3859                ActiveView::ExternalAgentThread { thread_view, .. } => parent
3860                    .child(thread_view.clone())
3861                    .child(self.render_drag_target(cx)),
3862                ActiveView::History => {
3863                    if cx.has_flag::<feature_flags::GeminiAndNativeFeatureFlag>() {
3864                        parent.child(self.acp_history.clone())
3865                    } else {
3866                        parent.child(self.history.clone())
3867                    }
3868                }
3869                ActiveView::TextThread {
3870                    context_editor,
3871                    buffer_search_bar,
3872                    ..
3873                } => {
3874                    let model_registry = LanguageModelRegistry::read_global(cx);
3875                    let configuration_error =
3876                        model_registry.configuration_error(model_registry.default_model(), cx);
3877                    parent
3878                        .map(|this| {
3879                            if !self.should_render_onboarding(cx)
3880                                && let Some(err) = configuration_error.as_ref()
3881                            {
3882                                this.child(self.render_configuration_error(
3883                                    true,
3884                                    err,
3885                                    &self.focus_handle(cx),
3886                                    window,
3887                                    cx,
3888                                ))
3889                            } else {
3890                                this
3891                            }
3892                        })
3893                        .child(self.render_prompt_editor(
3894                            context_editor,
3895                            buffer_search_bar,
3896                            window,
3897                            cx,
3898                        ))
3899                }
3900                ActiveView::Configuration => parent.children(self.configuration.clone()),
3901            })
3902            .children(self.render_trial_end_upsell(window, cx));
3903
3904        match self.active_view.which_font_size_used() {
3905            WhichFontSize::AgentFont => {
3906                WithRemSize::new(ThemeSettings::get_global(cx).agent_font_size(cx))
3907                    .size_full()
3908                    .child(content)
3909                    .into_any()
3910            }
3911            _ => content.into_any(),
3912        }
3913    }
3914}
3915
3916struct PromptLibraryInlineAssist {
3917    workspace: WeakEntity<Workspace>,
3918}
3919
3920impl PromptLibraryInlineAssist {
3921    pub fn new(workspace: WeakEntity<Workspace>) -> Self {
3922        Self { workspace }
3923    }
3924}
3925
3926impl rules_library::InlineAssistDelegate for PromptLibraryInlineAssist {
3927    fn assist(
3928        &self,
3929        prompt_editor: &Entity<Editor>,
3930        initial_prompt: Option<String>,
3931        window: &mut Window,
3932        cx: &mut Context<RulesLibrary>,
3933    ) {
3934        InlineAssistant::update_global(cx, |assistant, cx| {
3935            let Some(project) = self
3936                .workspace
3937                .upgrade()
3938                .map(|workspace| workspace.read(cx).project().downgrade())
3939            else {
3940                return;
3941            };
3942            let prompt_store = None;
3943            let thread_store = None;
3944            let text_thread_store = None;
3945            let context_store = cx.new(|_| ContextStore::new(project.clone(), None));
3946            assistant.assist(
3947                prompt_editor,
3948                self.workspace.clone(),
3949                context_store,
3950                project,
3951                prompt_store,
3952                thread_store,
3953                text_thread_store,
3954                initial_prompt,
3955                window,
3956                cx,
3957            )
3958        })
3959    }
3960
3961    fn focus_agent_panel(
3962        &self,
3963        workspace: &mut Workspace,
3964        window: &mut Window,
3965        cx: &mut Context<Workspace>,
3966    ) -> bool {
3967        workspace.focus_panel::<AgentPanel>(window, cx).is_some()
3968    }
3969}
3970
3971pub struct ConcreteAssistantPanelDelegate;
3972
3973impl AgentPanelDelegate for ConcreteAssistantPanelDelegate {
3974    fn active_context_editor(
3975        &self,
3976        workspace: &mut Workspace,
3977        _window: &mut Window,
3978        cx: &mut Context<Workspace>,
3979    ) -> Option<Entity<TextThreadEditor>> {
3980        let panel = workspace.panel::<AgentPanel>(cx)?;
3981        panel.read(cx).active_context_editor()
3982    }
3983
3984    fn open_saved_context(
3985        &self,
3986        workspace: &mut Workspace,
3987        path: Arc<Path>,
3988        window: &mut Window,
3989        cx: &mut Context<Workspace>,
3990    ) -> Task<Result<()>> {
3991        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
3992            return Task::ready(Err(anyhow!("Agent panel not found")));
3993        };
3994
3995        panel.update(cx, |panel, cx| {
3996            panel.open_saved_prompt_editor(path, window, cx)
3997        })
3998    }
3999
4000    fn open_remote_context(
4001        &self,
4002        _workspace: &mut Workspace,
4003        _context_id: assistant_context::ContextId,
4004        _window: &mut Window,
4005        _cx: &mut Context<Workspace>,
4006    ) -> Task<Result<Entity<TextThreadEditor>>> {
4007        Task::ready(Err(anyhow!("opening remote context not implemented")))
4008    }
4009
4010    fn quote_selection(
4011        &self,
4012        workspace: &mut Workspace,
4013        selection_ranges: Vec<Range<Anchor>>,
4014        buffer: Entity<MultiBuffer>,
4015        window: &mut Window,
4016        cx: &mut Context<Workspace>,
4017    ) {
4018        let Some(panel) = workspace.panel::<AgentPanel>(cx) else {
4019            return;
4020        };
4021
4022        if !panel.focus_handle(cx).contains_focused(window, cx) {
4023            workspace.toggle_panel_focus::<AgentPanel>(window, cx);
4024        }
4025
4026        panel.update(cx, |_, cx| {
4027            // Wait to create a new context until the workspace is no longer
4028            // being updated.
4029            cx.defer_in(window, move |panel, window, cx| {
4030                if let Some(thread_view) = panel.active_thread_view() {
4031                    thread_view.update(cx, |thread_view, cx| {
4032                        thread_view.insert_selections(window, cx);
4033                    });
4034                } else if let Some(message_editor) = panel.active_message_editor() {
4035                    message_editor.update(cx, |message_editor, cx| {
4036                        message_editor.context_store().update(cx, |store, cx| {
4037                            let buffer = buffer.read(cx);
4038                            let selection_ranges = selection_ranges
4039                                .into_iter()
4040                                .flat_map(|range| {
4041                                    let (start_buffer, start) =
4042                                        buffer.text_anchor_for_position(range.start, cx)?;
4043                                    let (end_buffer, end) =
4044                                        buffer.text_anchor_for_position(range.end, cx)?;
4045                                    if start_buffer != end_buffer {
4046                                        return None;
4047                                    }
4048                                    Some((start_buffer, start..end))
4049                                })
4050                                .collect::<Vec<_>>();
4051
4052                            for (buffer, range) in selection_ranges {
4053                                store.add_selection(buffer, range, cx);
4054                            }
4055                        })
4056                    })
4057                } else if let Some(context_editor) = panel.active_context_editor() {
4058                    let snapshot = buffer.read(cx).snapshot(cx);
4059                    let selection_ranges = selection_ranges
4060                        .into_iter()
4061                        .map(|range| range.to_point(&snapshot))
4062                        .collect::<Vec<_>>();
4063
4064                    context_editor.update(cx, |context_editor, cx| {
4065                        context_editor.quote_ranges(selection_ranges, snapshot, window, cx)
4066                    });
4067                }
4068            });
4069        });
4070    }
4071}
4072
4073struct OnboardingUpsell;
4074
4075impl Dismissable for OnboardingUpsell {
4076    const KEY: &'static str = "dismissed-trial-upsell";
4077}
4078
4079struct TrialEndUpsell;
4080
4081impl Dismissable for TrialEndUpsell {
4082    const KEY: &'static str = "dismissed-trial-end-upsell";
4083}