co-mono/packages/coding-agent/src/modes/interactive/interactive-mode.ts
Mario Zechner b0d4d1717e
Merge pull request #906 from Perlence/feat/verbose-cli-flag
feat(coding-agent): add --verbose CLI flag to override quietStartup setting (round 2)
2026-01-22 23:19:44 +01:00

3898 lines
124 KiB
TypeScript

/**
* Interactive mode for the coding agent.
* Handles TUI rendering and user interaction, delegating business logic to AgentSession.
*/
import * as crypto from "node:crypto";
import * as fs from "node:fs";
import * as os from "node:os";
import * as path from "node:path";
import type { AgentMessage } from "@mariozechner/pi-agent-core";
import {
type AssistantMessage,
getOAuthProviders,
type ImageContent,
type Message,
type Model,
type OAuthProvider,
} from "@mariozechner/pi-ai";
import type {
AutocompleteItem,
EditorAction,
EditorComponent,
EditorTheme,
KeyId,
MarkdownTheme,
OverlayHandle,
OverlayOptions,
SlashCommand,
} from "@mariozechner/pi-tui";
import {
CombinedAutocompleteProvider,
type Component,
Container,
fuzzyFilter,
Loader,
Markdown,
matchesKey,
ProcessTerminal,
Spacer,
Text,
TruncatedText,
TUI,
visibleWidth,
} from "@mariozechner/pi-tui";
import { spawn, spawnSync } from "child_process";
import {
APP_NAME,
getAuthPath,
getDebugLogPath,
getShareViewerUrl,
isBunBinary,
isBunRuntime,
VERSION,
} from "../../config.js";
import { type AgentSession, type AgentSessionEvent, parseSkillBlock } from "../../core/agent-session.js";
import type { CompactionResult } from "../../core/compaction/index.js";
import type {
ExtensionContext,
ExtensionRunner,
ExtensionUIContext,
ExtensionUIDialogOptions,
ExtensionWidgetOptions,
} from "../../core/extensions/index.js";
import { FooterDataProvider, type ReadonlyFooterDataProvider } from "../../core/footer-data-provider.js";
import { type AppAction, KeybindingsManager } from "../../core/keybindings.js";
import { createCompactionSummaryMessage } from "../../core/messages.js";
import { resolveModelScope } from "../../core/model-resolver.js";
import { type SessionContext, SessionManager } from "../../core/session-manager.js";
import type { TruncationResult } from "../../core/tools/truncate.js";
import { getChangelogPath, getNewEntries, parseChangelog } from "../../utils/changelog.js";
import { copyToClipboard } from "../../utils/clipboard.js";
import { extensionForImageMimeType, readClipboardImage } from "../../utils/clipboard-image.js";
import { ensureTool } from "../../utils/tools-manager.js";
import { ArminComponent } from "./components/armin.js";
import { AssistantMessageComponent } from "./components/assistant-message.js";
import { BashExecutionComponent } from "./components/bash-execution.js";
import { BorderedLoader } from "./components/bordered-loader.js";
import { BranchSummaryMessageComponent } from "./components/branch-summary-message.js";
import { CompactionSummaryMessageComponent } from "./components/compaction-summary-message.js";
import { CustomEditor } from "./components/custom-editor.js";
import { CustomMessageComponent } from "./components/custom-message.js";
import { DynamicBorder } from "./components/dynamic-border.js";
import { ExtensionEditorComponent } from "./components/extension-editor.js";
import { ExtensionInputComponent } from "./components/extension-input.js";
import { ExtensionSelectorComponent } from "./components/extension-selector.js";
import { FooterComponent } from "./components/footer.js";
import { appKey, appKeyHint, editorKey, keyHint, rawKeyHint } from "./components/keybinding-hints.js";
import { LoginDialogComponent } from "./components/login-dialog.js";
import { ModelSelectorComponent } from "./components/model-selector.js";
import { OAuthSelectorComponent } from "./components/oauth-selector.js";
import { ScopedModelsSelectorComponent } from "./components/scoped-models-selector.js";
import { SessionSelectorComponent } from "./components/session-selector.js";
import { SettingsSelectorComponent } from "./components/settings-selector.js";
import { SkillInvocationMessageComponent } from "./components/skill-invocation-message.js";
import { ToolExecutionComponent } from "./components/tool-execution.js";
import { TreeSelectorComponent } from "./components/tree-selector.js";
import { UserMessageComponent } from "./components/user-message.js";
import { UserMessageSelectorComponent } from "./components/user-message-selector.js";
import {
getAvailableThemes,
getAvailableThemesWithPaths,
getEditorTheme,
getMarkdownTheme,
getThemeByName,
initTheme,
onThemeChange,
setTheme,
setThemeInstance,
Theme,
theme,
} from "./theme/theme.js";
/** Interface for components that can be expanded/collapsed */
interface Expandable {
setExpanded(expanded: boolean): void;
}
function isExpandable(obj: unknown): obj is Expandable {
return typeof obj === "object" && obj !== null && "setExpanded" in obj && typeof obj.setExpanded === "function";
}
type CompactionQueuedMessage = {
text: string;
mode: "steer" | "followUp";
};
/**
* Options for InteractiveMode initialization.
*/
export interface InteractiveModeOptions {
/** Providers that were migrated to auth.json (shows warning) */
migratedProviders?: string[];
/** Warning message if session model couldn't be restored */
modelFallbackMessage?: string;
/** Initial message to send on startup (can include @file content) */
initialMessage?: string;
/** Images to attach to the initial message */
initialImages?: ImageContent[];
/** Additional messages to send after the initial message */
initialMessages?: string[];
/** Force verbose startup (overrides quietStartup setting) */
verbose?: boolean;
}
export class InteractiveMode {
private session: AgentSession;
private ui: TUI;
private chatContainer: Container;
private pendingMessagesContainer: Container;
private statusContainer: Container;
private defaultEditor: CustomEditor;
private editor: EditorComponent;
private autocompleteProvider: CombinedAutocompleteProvider | undefined;
private fdPath: string | undefined;
private editorContainer: Container;
private footer: FooterComponent;
private footerDataProvider: FooterDataProvider;
private keybindings: KeybindingsManager;
private version: string;
private isInitialized = false;
private onInputCallback?: (text: string) => void;
private loadingAnimation: Loader | undefined = undefined;
private readonly defaultWorkingMessage = "Working...";
private lastSigintTime = 0;
private lastEscapeTime = 0;
private changelogMarkdown: string | undefined = undefined;
// Status line tracking (for mutating immediately-sequential status updates)
private lastStatusSpacer: Spacer | undefined = undefined;
private lastStatusText: Text | undefined = undefined;
// Streaming message tracking
private streamingComponent: AssistantMessageComponent | undefined = undefined;
private streamingMessage: AssistantMessage | undefined = undefined;
// Tool execution tracking: toolCallId -> component
private pendingTools = new Map<string, ToolExecutionComponent>();
// Tool output expansion state
private toolOutputExpanded = false;
// Thinking block visibility state
private hideThinkingBlock = false;
// Skill commands: command name -> skill file path
private skillCommands = new Map<string, string>();
// Agent subscription unsubscribe function
private unsubscribe?: () => void;
// Track if editor is in bash mode (text starts with !)
private isBashMode = false;
// Track current bash execution component
private bashComponent: BashExecutionComponent | undefined = undefined;
// Track pending bash components (shown in pending area, moved to chat on submit)
private pendingBashComponents: BashExecutionComponent[] = [];
// Auto-compaction state
private autoCompactionLoader: Loader | undefined = undefined;
private autoCompactionEscapeHandler?: () => void;
// Auto-retry state
private retryLoader: Loader | undefined = undefined;
private retryEscapeHandler?: () => void;
// Messages queued while compaction is running
private compactionQueuedMessages: CompactionQueuedMessage[] = [];
// Shutdown state
private shutdownRequested = false;
// Extension UI state
private extensionSelector: ExtensionSelectorComponent | undefined = undefined;
private extensionInput: ExtensionInputComponent | undefined = undefined;
private extensionEditor: ExtensionEditorComponent | undefined = undefined;
// Extension widgets (components rendered above/below the editor)
private extensionWidgetsAbove = new Map<string, Component & { dispose?(): void }>();
private extensionWidgetsBelow = new Map<string, Component & { dispose?(): void }>();
private widgetContainerAbove!: Container;
private widgetContainerBelow!: Container;
// Custom footer from extension (undefined = use built-in footer)
private customFooter: (Component & { dispose?(): void }) | undefined = undefined;
// Built-in header (logo + keybinding hints + changelog)
private builtInHeader: Component | undefined = undefined;
// Custom header from extension (undefined = use built-in header)
private customHeader: (Component & { dispose?(): void }) | undefined = undefined;
// Convenience accessors
private get agent() {
return this.session.agent;
}
private get sessionManager() {
return this.session.sessionManager;
}
private get settingsManager() {
return this.session.settingsManager;
}
constructor(
session: AgentSession,
private options: InteractiveModeOptions = {},
) {
this.session = session;
this.version = VERSION;
this.ui = new TUI(new ProcessTerminal(), this.settingsManager.getShowHardwareCursor());
this.chatContainer = new Container();
this.pendingMessagesContainer = new Container();
this.statusContainer = new Container();
this.widgetContainerAbove = new Container();
this.widgetContainerBelow = new Container();
this.keybindings = KeybindingsManager.create();
const editorPaddingX = this.settingsManager.getEditorPaddingX();
this.defaultEditor = new CustomEditor(this.ui, getEditorTheme(), this.keybindings, { paddingX: editorPaddingX });
this.editor = this.defaultEditor;
this.editorContainer = new Container();
this.editorContainer.addChild(this.editor as Component);
this.footerDataProvider = new FooterDataProvider();
this.footer = new FooterComponent(session, this.footerDataProvider);
this.footer.setAutoCompactEnabled(session.autoCompactionEnabled);
// Load hide thinking block setting
this.hideThinkingBlock = this.settingsManager.getHideThinkingBlock();
// Initialize theme with watcher for interactive mode
initTheme(this.settingsManager.getTheme(), true);
}
private setupAutocomplete(fdPath: string | undefined): void {
// Define commands for autocomplete
const slashCommands: SlashCommand[] = [
{ name: "settings", description: "Open settings menu" },
{
name: "model",
description: "Select model (opens selector UI)",
getArgumentCompletions: (prefix: string): AutocompleteItem[] | null => {
// Get available models (scoped or from registry)
const models =
this.session.scopedModels.length > 0
? this.session.scopedModels.map((s) => s.model)
: this.session.modelRegistry.getAvailable();
if (models.length === 0) return null;
// Create items with provider/id format
const items = models.map((m) => ({
id: m.id,
provider: m.provider,
label: `${m.provider}/${m.id}`,
}));
// Fuzzy filter by model ID + provider (allows "opus anthropic" to match)
const filtered = fuzzyFilter(items, prefix, (item) => `${item.id} ${item.provider}`);
if (filtered.length === 0) return null;
return filtered.map((item) => ({
value: item.label,
label: item.id,
description: item.provider,
}));
},
},
{ name: "scoped-models", description: "Enable/disable models for Ctrl+P cycling" },
{ name: "export", description: "Export session to HTML file" },
{ name: "share", description: "Share session as a secret GitHub gist" },
{ name: "copy", description: "Copy last agent message to clipboard" },
{ name: "name", description: "Set session display name" },
{ name: "session", description: "Show session info and stats" },
{ name: "changelog", description: "Show changelog entries" },
{ name: "hotkeys", description: "Show all keyboard shortcuts" },
{ name: "fork", description: "Create a new fork from a previous message" },
{ name: "tree", description: "Navigate session tree (switch branches)" },
{ name: "login", description: "Login with OAuth provider" },
{ name: "logout", description: "Logout from OAuth provider" },
{ name: "new", description: "Start a new session" },
{ name: "compact", description: "Manually compact the session context" },
{ name: "resume", description: "Resume a different session" },
{ name: "reload", description: "Reload extensions, skills, prompts, and themes" },
];
// Convert prompt templates to SlashCommand format for autocomplete
const templateCommands: SlashCommand[] = this.session.promptTemplates.map((cmd) => ({
name: cmd.name,
description: cmd.description,
}));
// Convert extension commands to SlashCommand format
const extensionCommands: SlashCommand[] = (this.session.extensionRunner?.getRegisteredCommands() ?? []).map(
(cmd) => ({
name: cmd.name,
description: cmd.description ?? "(extension command)",
getArgumentCompletions: cmd.getArgumentCompletions,
}),
);
// Build skill commands from session.skills (if enabled)
this.skillCommands.clear();
const skillCommandList: SlashCommand[] = [];
if (this.settingsManager.getEnableSkillCommands()) {
for (const skill of this.session.skills) {
const commandName = `skill:${skill.name}`;
this.skillCommands.set(commandName, skill.filePath);
skillCommandList.push({ name: commandName, description: skill.description });
}
}
// Setup autocomplete
this.autocompleteProvider = new CombinedAutocompleteProvider(
[...slashCommands, ...templateCommands, ...extensionCommands, ...skillCommandList],
process.cwd(),
fdPath,
);
this.defaultEditor.setAutocompleteProvider(this.autocompleteProvider);
}
private rebuildAutocomplete(): void {
this.setupAutocomplete(this.fdPath);
}
async init(): Promise<void> {
if (this.isInitialized) return;
// Load changelog (only show new entries, skip for resumed sessions)
this.changelogMarkdown = this.getChangelogForDisplay();
// Setup autocomplete with fd tool for file path completion
this.fdPath = await ensureTool("fd");
this.setupAutocomplete(this.fdPath);
// Add header with keybindings from config (unless silenced)
if (this.options.verbose || !this.settingsManager.getQuietStartup()) {
const logo = theme.bold(theme.fg("accent", APP_NAME)) + theme.fg("dim", ` v${this.version}`);
// Build startup instructions using keybinding hint helpers
const kb = this.keybindings;
const hint = (action: AppAction, desc: string) => appKeyHint(kb, action, desc);
const instructions = [
hint("interrupt", "to interrupt"),
hint("clear", "to clear"),
rawKeyHint(`${appKey(kb, "clear")} twice`, "to exit"),
hint("exit", "to exit (empty)"),
hint("suspend", "to suspend"),
keyHint("deleteToLineEnd", "to delete to end"),
hint("cycleThinkingLevel", "to cycle thinking"),
rawKeyHint(`${appKey(kb, "cycleModelForward")}/${appKey(kb, "cycleModelBackward")}`, "to cycle models"),
hint("selectModel", "to select model"),
hint("expandTools", "to expand tools"),
hint("toggleThinking", "to toggle thinking"),
hint("externalEditor", "for external editor"),
rawKeyHint("/", "for commands"),
rawKeyHint("!", "to run bash"),
rawKeyHint("!!", "to run bash (no context)"),
hint("followUp", "to queue follow-up"),
hint("dequeue", "to edit all queued messages"),
hint("pasteImage", "to paste image"),
rawKeyHint("drop files", "to attach"),
].join("\n");
this.builtInHeader = new Text(`${logo}\n${instructions}`, 1, 0);
// Setup UI layout
this.ui.addChild(new Spacer(1));
this.ui.addChild(this.builtInHeader);
this.ui.addChild(new Spacer(1));
// Add changelog if provided
if (this.changelogMarkdown) {
this.ui.addChild(new DynamicBorder());
if (this.settingsManager.getCollapseChangelog()) {
const versionMatch = this.changelogMarkdown.match(/##\s+\[?(\d+\.\d+\.\d+)\]?/);
const latestVersion = versionMatch ? versionMatch[1] : this.version;
const condensedText = `Updated to v${latestVersion}. Use ${theme.bold("/changelog")} to view full changelog.`;
this.ui.addChild(new Text(condensedText, 1, 0));
} else {
this.ui.addChild(new Text(theme.bold(theme.fg("accent", "What's New")), 1, 0));
this.ui.addChild(new Spacer(1));
this.ui.addChild(new Markdown(this.changelogMarkdown.trim(), 1, 0, this.getMarkdownThemeWithSettings()));
this.ui.addChild(new Spacer(1));
}
this.ui.addChild(new DynamicBorder());
}
} else {
// Minimal header when silenced
this.builtInHeader = new Text("", 0, 0);
if (this.changelogMarkdown) {
// Still show changelog notification even in silent mode
this.ui.addChild(new Spacer(1));
const versionMatch = this.changelogMarkdown.match(/##\s+\[?(\d+\.\d+\.\d+)\]?/);
const latestVersion = versionMatch ? versionMatch[1] : this.version;
const condensedText = `Updated to v${latestVersion}. Use ${theme.bold("/changelog")} to view full changelog.`;
this.ui.addChild(new Text(condensedText, 1, 0));
}
}
this.ui.addChild(this.chatContainer);
this.ui.addChild(this.pendingMessagesContainer);
this.ui.addChild(this.statusContainer);
this.renderWidgets(); // Initialize with default spacer
this.ui.addChild(this.widgetContainerAbove);
this.ui.addChild(this.editorContainer);
this.ui.addChild(this.widgetContainerBelow);
this.ui.addChild(this.footer);
this.ui.setFocus(this.editor);
this.setupKeyHandlers();
this.setupEditorSubmitHandler();
// Start the UI
this.ui.start();
this.isInitialized = true;
// Set terminal title
this.updateTerminalTitle();
// Initialize extensions with TUI-based UI context
await this.initExtensions();
// Subscribe to agent events
this.subscribeToAgent();
// Set up theme file watcher
onThemeChange(() => {
this.ui.invalidate();
this.updateEditorBorderColor();
this.ui.requestRender();
});
// Set up git branch watcher (uses provider instead of footer)
this.footerDataProvider.onBranchChange(() => {
this.ui.requestRender();
});
}
/**
* Update terminal title with session name and cwd.
*/
private updateTerminalTitle(): void {
const cwdBasename = path.basename(process.cwd());
const sessionName = this.sessionManager.getSessionName();
if (sessionName) {
this.ui.terminal.setTitle(`π - ${sessionName} - ${cwdBasename}`);
} else {
this.ui.terminal.setTitle(`π - ${cwdBasename}`);
}
}
/**
* Run the interactive mode. This is the main entry point.
* Initializes the UI, shows warnings, processes initial messages, and starts the interactive loop.
*/
async run(): Promise<void> {
await this.init();
// Start version check asynchronously
this.checkForNewVersion().then((newVersion) => {
if (newVersion) {
this.showNewVersionNotification(newVersion);
}
});
this.renderInitialMessages();
// Show startup warnings
const { migratedProviders, modelFallbackMessage, initialMessage, initialImages, initialMessages } = this.options;
if (migratedProviders && migratedProviders.length > 0) {
this.showWarning(`Migrated credentials to auth.json: ${migratedProviders.join(", ")}`);
}
const modelsJsonError = this.session.modelRegistry.getError();
if (modelsJsonError) {
this.showError(`models.json error: ${modelsJsonError}`);
}
if (modelFallbackMessage) {
this.showWarning(modelFallbackMessage);
}
// Process initial messages
if (initialMessage) {
try {
await this.session.prompt(initialMessage, { images: initialImages });
} catch (error: unknown) {
const errorMessage = error instanceof Error ? error.message : "Unknown error occurred";
this.showError(errorMessage);
}
}
if (initialMessages) {
for (const message of initialMessages) {
try {
await this.session.prompt(message);
} catch (error: unknown) {
const errorMessage = error instanceof Error ? error.message : "Unknown error occurred";
this.showError(errorMessage);
}
}
}
// Main interactive loop
while (true) {
const userInput = await this.getUserInput();
try {
await this.session.prompt(userInput);
} catch (error: unknown) {
const errorMessage = error instanceof Error ? error.message : "Unknown error occurred";
this.showError(errorMessage);
}
}
}
/**
* Check npm registry for a newer version.
*/
private async checkForNewVersion(): Promise<string | undefined> {
if (process.env.PI_SKIP_VERSION_CHECK) return undefined;
try {
const response = await fetch("https://registry.npmjs.org/@mariozechner/pi-coding-agent/latest");
if (!response.ok) return undefined;
const data = (await response.json()) as { version?: string };
const latestVersion = data.version;
if (latestVersion && latestVersion !== this.version) {
return latestVersion;
}
return undefined;
} catch {
return undefined;
}
}
/**
* Get changelog entries to display on startup.
* Only shows new entries since last seen version, skips for resumed sessions.
*/
private getChangelogForDisplay(): string | undefined {
// Skip changelog for resumed/continued sessions (already have messages)
if (this.session.state.messages.length > 0) {
return undefined;
}
const lastVersion = this.settingsManager.getLastChangelogVersion();
const changelogPath = getChangelogPath();
const entries = parseChangelog(changelogPath);
if (!lastVersion) {
// Fresh install - just record the version, don't show changelog
this.settingsManager.setLastChangelogVersion(VERSION);
return undefined;
} else {
const newEntries = getNewEntries(entries, lastVersion);
if (newEntries.length > 0) {
this.settingsManager.setLastChangelogVersion(VERSION);
return newEntries.map((e) => e.content).join("\n\n");
}
}
return undefined;
}
private getMarkdownThemeWithSettings(): MarkdownTheme {
return {
...getMarkdownTheme(),
codeBlockIndent: this.settingsManager.getCodeBlockIndent(),
};
}
// =========================================================================
// Extension System
// =========================================================================
private formatDisplayPath(p: string): string {
const home = os.homedir();
let result = p;
// Shorten temp npm paths: /tmp/.../npm/.../node_modules/pkg/... -> npm:pkg/... (temp)
const npmTempMatch = result.match(/pi-extensions\/npm\/[^/]+\/node_modules\/([^/]+)(.*)/);
if (npmTempMatch) {
return `npm:${npmTempMatch[1]}${npmTempMatch[2]} (temp)`;
}
// Shorten temp git paths: /tmp/.../git-host/hash/path/... -> git:host/path/... (temp)
const gitTempMatch = result.match(/pi-extensions\/git-([^/]+)\/[^/]+\/(.*)/);
if (gitTempMatch) {
return `git:${gitTempMatch[1]}/${gitTempMatch[2]} (temp)`;
}
// Replace home directory with ~
if (result.startsWith(home)) {
result = `~${result.slice(home.length)}`;
}
return result;
}
private showLoadedResources(options?: { extensionPaths?: string[]; force?: boolean }): void {
const shouldShow = options?.force || this.options.verbose || !this.settingsManager.getQuietStartup();
if (!shouldShow) {
return;
}
const contextFiles = this.session.resourceLoader.getAgentsFiles().agentsFiles;
if (contextFiles.length > 0) {
const contextList = contextFiles.map((f) => theme.fg("dim", ` ${this.formatDisplayPath(f.path)}`)).join("\n");
this.chatContainer.addChild(new Text(theme.fg("muted", "Loaded context:\n") + contextList, 0, 0));
this.chatContainer.addChild(new Spacer(1));
}
const skills = this.session.skills;
if (skills.length > 0) {
const skillList = skills.map((s) => theme.fg("dim", ` ${this.formatDisplayPath(s.filePath)}`)).join("\n");
this.chatContainer.addChild(new Text(theme.fg("muted", "Loaded skills:\n") + skillList, 0, 0));
this.chatContainer.addChild(new Spacer(1));
}
const skillWarnings = this.session.skillWarnings;
if (skillWarnings.length > 0) {
const warningList = skillWarnings
.map((w) => theme.fg("warning", ` ${this.formatDisplayPath(w.skillPath)}: ${w.message}`))
.join("\n");
this.chatContainer.addChild(new Text(theme.fg("warning", "Skill warnings:\n") + warningList, 0, 0));
this.chatContainer.addChild(new Spacer(1));
}
const templates = this.session.promptTemplates;
if (templates.length > 0) {
const templateList = templates.map((t) => theme.fg("dim", ` /${t.name} ${t.source}`)).join("\n");
this.chatContainer.addChild(new Text(theme.fg("muted", "Loaded prompt templates:\n") + templateList, 0, 0));
this.chatContainer.addChild(new Spacer(1));
}
const extensionPaths = options?.extensionPaths ?? [];
if (extensionPaths.length > 0) {
const extList = extensionPaths.map((p) => theme.fg("dim", ` ${this.formatDisplayPath(p)}`)).join("\n");
this.chatContainer.addChild(new Text(theme.fg("muted", "Loaded extensions:\n") + extList, 0, 0));
this.chatContainer.addChild(new Spacer(1));
}
}
/**
* Initialize the extension system with TUI-based UI context.
*/
private async initExtensions(): Promise<void> {
const extensionRunner = this.session.extensionRunner;
if (!extensionRunner) {
this.showLoadedResources({ extensionPaths: [], force: false });
return;
}
// Create extension UI context
const uiContext = this.createExtensionUIContext();
await this.session.bindExtensions({
uiContext,
commandContextActions: {
waitForIdle: () => this.session.agent.waitForIdle(),
newSession: async (options) => {
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = undefined;
}
this.statusContainer.clear();
const success = await this.session.newSession({ parentSession: options?.parentSession });
if (!success) {
return { cancelled: true };
}
if (options?.setup) {
await options.setup(this.sessionManager);
}
this.chatContainer.clear();
this.pendingMessagesContainer.clear();
this.compactionQueuedMessages = [];
this.streamingComponent = undefined;
this.streamingMessage = undefined;
this.pendingTools.clear();
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(`${theme.fg("accent", "✓ New session started")}`, 1, 1));
this.ui.requestRender();
return { cancelled: false };
},
fork: async (entryId) => {
const result = await this.session.fork(entryId);
if (result.cancelled) {
return { cancelled: true };
}
this.chatContainer.clear();
this.renderInitialMessages();
this.editor.setText(result.selectedText);
this.showStatus("Forked to new session");
return { cancelled: false };
},
navigateTree: async (targetId, options) => {
const result = await this.session.navigateTree(targetId, {
summarize: options?.summarize,
customInstructions: options?.customInstructions,
replaceInstructions: options?.replaceInstructions,
label: options?.label,
});
if (result.cancelled) {
return { cancelled: true };
}
this.chatContainer.clear();
this.renderInitialMessages();
if (result.editorText) {
this.editor.setText(result.editorText);
}
this.showStatus("Navigated to selected point");
return { cancelled: false };
},
},
shutdownHandler: () => {
this.shutdownRequested = true;
},
onError: (error) => {
this.showExtensionError(error.extensionPath, error.error, error.stack);
},
});
this.setupExtensionShortcuts(extensionRunner);
this.showLoadedResources({ extensionPaths: extensionRunner.getExtensionPaths(), force: false });
}
/**
* Get a registered tool definition by name (for custom rendering).
*/
private getRegisteredToolDefinition(toolName: string) {
const tools = this.session.extensionRunner?.getAllRegisteredTools() ?? [];
const registeredTool = tools.find((t) => t.definition.name === toolName);
return registeredTool?.definition;
}
/**
* Set up keyboard shortcuts registered by extensions.
*/
private setupExtensionShortcuts(extensionRunner: ExtensionRunner): void {
const shortcuts = extensionRunner.getShortcuts(this.keybindings.getEffectiveConfig());
if (shortcuts.size === 0) return;
// Create a context for shortcut handlers
const createContext = (): ExtensionContext => ({
ui: this.createExtensionUIContext(),
hasUI: true,
cwd: process.cwd(),
sessionManager: this.sessionManager,
modelRegistry: this.session.modelRegistry,
model: this.session.model,
isIdle: () => !this.session.isStreaming,
abort: () => this.session.abort(),
hasPendingMessages: () => this.session.pendingMessageCount > 0,
shutdown: () => {
this.shutdownRequested = true;
},
getContextUsage: () => this.session.getContextUsage(),
compact: (options) => {
void (async () => {
try {
const result = await this.executeCompaction(options?.customInstructions, false);
if (result) {
options?.onComplete?.(result);
}
} catch (error) {
const err = error instanceof Error ? error : new Error(String(error));
options?.onError?.(err);
}
})();
},
});
// Set up the extension shortcut handler on the default editor
this.defaultEditor.onExtensionShortcut = (data: string) => {
for (const [shortcutStr, shortcut] of shortcuts) {
// Cast to KeyId - extension shortcuts use the same format
if (matchesKey(data, shortcutStr as KeyId)) {
// Run handler async, don't block input
Promise.resolve(shortcut.handler(createContext())).catch((err) => {
this.showError(`Shortcut handler error: ${err instanceof Error ? err.message : String(err)}`);
});
return true;
}
}
return false;
};
}
/**
* Set extension status text in the footer.
*/
private setExtensionStatus(key: string, text: string | undefined): void {
this.footerDataProvider.setExtensionStatus(key, text);
this.ui.requestRender();
}
/**
* Set an extension widget (string array or custom component).
*/
private setExtensionWidget(
key: string,
content: string[] | ((tui: TUI, thm: Theme) => Component & { dispose?(): void }) | undefined,
options?: ExtensionWidgetOptions,
): void {
const placement = options?.placement ?? "aboveEditor";
const removeExisting = (map: Map<string, Component & { dispose?(): void }>) => {
const existing = map.get(key);
if (existing?.dispose) existing.dispose();
map.delete(key);
};
removeExisting(this.extensionWidgetsAbove);
removeExisting(this.extensionWidgetsBelow);
if (content === undefined) {
this.renderWidgets();
return;
}
let component: Component & { dispose?(): void };
if (Array.isArray(content)) {
// Wrap string array in a Container with Text components
const container = new Container();
for (const line of content.slice(0, InteractiveMode.MAX_WIDGET_LINES)) {
container.addChild(new Text(line, 1, 0));
}
if (content.length > InteractiveMode.MAX_WIDGET_LINES) {
container.addChild(new Text(theme.fg("muted", "... (widget truncated)"), 1, 0));
}
component = container;
} else {
// Factory function - create component
component = content(this.ui, theme);
}
const targetMap = placement === "belowEditor" ? this.extensionWidgetsBelow : this.extensionWidgetsAbove;
targetMap.set(key, component);
this.renderWidgets();
}
private clearExtensionWidgets(): void {
for (const widget of this.extensionWidgetsAbove.values()) {
widget.dispose?.();
}
for (const widget of this.extensionWidgetsBelow.values()) {
widget.dispose?.();
}
this.extensionWidgetsAbove.clear();
this.extensionWidgetsBelow.clear();
this.renderWidgets();
}
private resetExtensionUI(): void {
if (this.extensionSelector) {
this.hideExtensionSelector();
}
if (this.extensionInput) {
this.hideExtensionInput();
}
if (this.extensionEditor) {
this.hideExtensionEditor();
}
this.ui.hideOverlay();
this.setExtensionFooter(undefined);
this.setExtensionHeader(undefined);
this.clearExtensionWidgets();
this.footerDataProvider.clearExtensionStatuses();
this.footer.invalidate();
this.setCustomEditorComponent(undefined);
this.defaultEditor.onExtensionShortcut = undefined;
this.updateTerminalTitle();
if (this.loadingAnimation) {
this.loadingAnimation.setMessage(
`${this.defaultWorkingMessage} (${appKey(this.keybindings, "interrupt")} to interrupt)`,
);
}
}
// Maximum total widget lines to prevent viewport overflow
private static readonly MAX_WIDGET_LINES = 10;
/**
* Render all extension widgets to the widget container.
*/
private renderWidgets(): void {
if (!this.widgetContainerAbove || !this.widgetContainerBelow) return;
this.renderWidgetContainer(this.widgetContainerAbove, this.extensionWidgetsAbove, true, true);
this.renderWidgetContainer(this.widgetContainerBelow, this.extensionWidgetsBelow, false, false);
this.ui.requestRender();
}
private renderWidgetContainer(
container: Container,
widgets: Map<string, Component & { dispose?(): void }>,
spacerWhenEmpty: boolean,
leadingSpacer: boolean,
): void {
container.clear();
if (widgets.size === 0) {
if (spacerWhenEmpty) {
container.addChild(new Spacer(1));
}
return;
}
if (leadingSpacer) {
container.addChild(new Spacer(1));
}
for (const component of widgets.values()) {
container.addChild(component);
}
}
/**
* Set a custom footer component, or restore the built-in footer.
*/
private setExtensionFooter(
factory:
| ((tui: TUI, thm: Theme, footerData: ReadonlyFooterDataProvider) => Component & { dispose?(): void })
| undefined,
): void {
// Dispose existing custom footer
if (this.customFooter?.dispose) {
this.customFooter.dispose();
}
// Remove current footer from UI
if (this.customFooter) {
this.ui.removeChild(this.customFooter);
} else {
this.ui.removeChild(this.footer);
}
if (factory) {
// Create and add custom footer, passing the data provider
this.customFooter = factory(this.ui, theme, this.footerDataProvider);
this.ui.addChild(this.customFooter);
} else {
// Restore built-in footer
this.customFooter = undefined;
this.ui.addChild(this.footer);
}
this.ui.requestRender();
}
/**
* Set a custom header component, or restore the built-in header.
*/
private setExtensionHeader(factory: ((tui: TUI, thm: Theme) => Component & { dispose?(): void }) | undefined): void {
// Header may not be initialized yet if called during early initialization
if (!this.builtInHeader) {
return;
}
// Dispose existing custom header
if (this.customHeader?.dispose) {
this.customHeader.dispose();
}
// Remove current header from UI
if (this.customHeader) {
this.ui.removeChild(this.customHeader);
} else {
this.ui.removeChild(this.builtInHeader);
}
if (factory) {
// Create and add custom header at position 1 (after initial spacer)
this.customHeader = factory(this.ui, theme);
this.ui.children.splice(1, 0, this.customHeader);
} else {
// Restore built-in header at position 1
this.customHeader = undefined;
this.ui.children.splice(1, 0, this.builtInHeader);
}
this.ui.requestRender();
}
/**
* Create the ExtensionUIContext for extensions.
*/
private createExtensionUIContext(): ExtensionUIContext {
return {
select: (title, options, opts) => this.showExtensionSelector(title, options, opts),
confirm: (title, message, opts) => this.showExtensionConfirm(title, message, opts),
input: (title, placeholder, opts) => this.showExtensionInput(title, placeholder, opts),
notify: (message, type) => this.showExtensionNotify(message, type),
setStatus: (key, text) => this.setExtensionStatus(key, text),
setWorkingMessage: (message) => {
if (this.loadingAnimation) {
if (message) {
this.loadingAnimation.setMessage(message);
} else {
this.loadingAnimation.setMessage(
`${this.defaultWorkingMessage} (${appKey(this.keybindings, "interrupt")} to interrupt)`,
);
}
}
},
setWidget: (key, content, options) => this.setExtensionWidget(key, content, options),
setFooter: (factory) => this.setExtensionFooter(factory),
setHeader: (factory) => this.setExtensionHeader(factory),
setTitle: (title) => this.ui.terminal.setTitle(title),
custom: (factory, options) => this.showExtensionCustom(factory, options),
setEditorText: (text) => this.editor.setText(text),
getEditorText: () => this.editor.getText(),
editor: (title, prefill) => this.showExtensionEditor(title, prefill),
setEditorComponent: (factory) => this.setCustomEditorComponent(factory),
get theme() {
return theme;
},
getAllThemes: () => getAvailableThemesWithPaths(),
getTheme: (name) => getThemeByName(name),
setTheme: (themeOrName) => {
if (themeOrName instanceof Theme) {
setThemeInstance(themeOrName);
this.ui.requestRender();
return { success: true };
}
const result = setTheme(themeOrName, true);
if (result.success) {
this.ui.requestRender();
}
return result;
},
};
}
/**
* Show a selector for extensions.
*/
private showExtensionSelector(
title: string,
options: string[],
opts?: ExtensionUIDialogOptions,
): Promise<string | undefined> {
return new Promise((resolve) => {
if (opts?.signal?.aborted) {
resolve(undefined);
return;
}
const onAbort = () => {
this.hideExtensionSelector();
resolve(undefined);
};
opts?.signal?.addEventListener("abort", onAbort, { once: true });
this.extensionSelector = new ExtensionSelectorComponent(
title,
options,
(option) => {
opts?.signal?.removeEventListener("abort", onAbort);
this.hideExtensionSelector();
resolve(option);
},
() => {
opts?.signal?.removeEventListener("abort", onAbort);
this.hideExtensionSelector();
resolve(undefined);
},
{ tui: this.ui, timeout: opts?.timeout },
);
this.editorContainer.clear();
this.editorContainer.addChild(this.extensionSelector);
this.ui.setFocus(this.extensionSelector);
this.ui.requestRender();
});
}
/**
* Hide the extension selector.
*/
private hideExtensionSelector(): void {
this.extensionSelector?.dispose();
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.extensionSelector = undefined;
this.ui.setFocus(this.editor);
this.ui.requestRender();
}
/**
* Show a confirmation dialog for extensions.
*/
private async showExtensionConfirm(
title: string,
message: string,
opts?: ExtensionUIDialogOptions,
): Promise<boolean> {
const result = await this.showExtensionSelector(`${title}\n${message}`, ["Yes", "No"], opts);
return result === "Yes";
}
/**
* Show a text input for extensions.
*/
private showExtensionInput(
title: string,
placeholder?: string,
opts?: ExtensionUIDialogOptions,
): Promise<string | undefined> {
return new Promise((resolve) => {
if (opts?.signal?.aborted) {
resolve(undefined);
return;
}
const onAbort = () => {
this.hideExtensionInput();
resolve(undefined);
};
opts?.signal?.addEventListener("abort", onAbort, { once: true });
this.extensionInput = new ExtensionInputComponent(
title,
placeholder,
(value) => {
opts?.signal?.removeEventListener("abort", onAbort);
this.hideExtensionInput();
resolve(value);
},
() => {
opts?.signal?.removeEventListener("abort", onAbort);
this.hideExtensionInput();
resolve(undefined);
},
{ tui: this.ui, timeout: opts?.timeout },
);
this.editorContainer.clear();
this.editorContainer.addChild(this.extensionInput);
this.ui.setFocus(this.extensionInput);
this.ui.requestRender();
});
}
/**
* Hide the extension input.
*/
private hideExtensionInput(): void {
this.extensionInput?.dispose();
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.extensionInput = undefined;
this.ui.setFocus(this.editor);
this.ui.requestRender();
}
/**
* Show a multi-line editor for extensions (with Ctrl+G support).
*/
private showExtensionEditor(title: string, prefill?: string): Promise<string | undefined> {
return new Promise((resolve) => {
this.extensionEditor = new ExtensionEditorComponent(
this.ui,
this.keybindings,
title,
prefill,
(value) => {
this.hideExtensionEditor();
resolve(value);
},
() => {
this.hideExtensionEditor();
resolve(undefined);
},
);
this.editorContainer.clear();
this.editorContainer.addChild(this.extensionEditor);
this.ui.setFocus(this.extensionEditor);
this.ui.requestRender();
});
}
/**
* Hide the extension editor.
*/
private hideExtensionEditor(): void {
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.extensionEditor = undefined;
this.ui.setFocus(this.editor);
this.ui.requestRender();
}
/**
* Set a custom editor component from an extension.
* Pass undefined to restore the default editor.
*/
private setCustomEditorComponent(
factory: ((tui: TUI, theme: EditorTheme, keybindings: KeybindingsManager) => EditorComponent) | undefined,
): void {
// Save text from current editor before switching
const currentText = this.editor.getText();
this.editorContainer.clear();
if (factory) {
// Create the custom editor with tui, theme, and keybindings
const newEditor = factory(this.ui, getEditorTheme(), this.keybindings);
// Wire up callbacks from the default editor
newEditor.onSubmit = this.defaultEditor.onSubmit;
newEditor.onChange = this.defaultEditor.onChange;
// Copy text from previous editor
newEditor.setText(currentText);
// Copy appearance settings if supported
if (newEditor.borderColor !== undefined) {
newEditor.borderColor = this.defaultEditor.borderColor;
}
// Set autocomplete if supported
if (newEditor.setAutocompleteProvider && this.autocompleteProvider) {
newEditor.setAutocompleteProvider(this.autocompleteProvider);
}
// If extending CustomEditor, copy app-level handlers
// Use duck typing since instanceof fails across jiti module boundaries
const customEditor = newEditor as unknown as Record<string, unknown>;
if ("actionHandlers" in customEditor && customEditor.actionHandlers instanceof Map) {
customEditor.onEscape = this.defaultEditor.onEscape;
customEditor.onCtrlD = this.defaultEditor.onCtrlD;
customEditor.onPasteImage = this.defaultEditor.onPasteImage;
customEditor.onExtensionShortcut = this.defaultEditor.onExtensionShortcut;
// Copy action handlers (clear, suspend, model switching, etc.)
for (const [action, handler] of this.defaultEditor.actionHandlers) {
(customEditor.actionHandlers as Map<string, () => void>).set(action, handler);
}
}
this.editor = newEditor;
} else {
// Restore default editor with text from custom editor
this.defaultEditor.setText(currentText);
this.editor = this.defaultEditor;
}
this.editorContainer.addChild(this.editor as Component);
this.ui.setFocus(this.editor as Component);
this.ui.requestRender();
}
/**
* Show a notification for extensions.
*/
private showExtensionNotify(message: string, type?: "info" | "warning" | "error"): void {
if (type === "error") {
this.showError(message);
} else if (type === "warning") {
this.showWarning(message);
} else {
this.showStatus(message);
}
}
/** Show a custom component with keyboard focus. Overlay mode renders on top of existing content. */
private async showExtensionCustom<T>(
factory: (
tui: TUI,
theme: Theme,
keybindings: KeybindingsManager,
done: (result: T) => void,
) => (Component & { dispose?(): void }) | Promise<Component & { dispose?(): void }>,
options?: {
overlay?: boolean;
overlayOptions?: OverlayOptions | (() => OverlayOptions);
onHandle?: (handle: OverlayHandle) => void;
},
): Promise<T> {
const savedText = this.editor.getText();
const isOverlay = options?.overlay ?? false;
const restoreEditor = () => {
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.editor.setText(savedText);
this.ui.setFocus(this.editor);
this.ui.requestRender();
};
return new Promise((resolve, reject) => {
let component: Component & { dispose?(): void };
let closed = false;
const close = (result: T) => {
if (closed) return;
closed = true;
if (isOverlay) this.ui.hideOverlay();
else restoreEditor();
// Note: both branches above already call requestRender
resolve(result);
try {
component?.dispose?.();
} catch {
/* ignore dispose errors */
}
};
Promise.resolve(factory(this.ui, theme, this.keybindings, close))
.then((c) => {
if (closed) return;
component = c;
if (isOverlay) {
// Resolve overlay options - can be static or dynamic function
const resolveOptions = (): OverlayOptions | undefined => {
if (options?.overlayOptions) {
const opts =
typeof options.overlayOptions === "function"
? options.overlayOptions()
: options.overlayOptions;
return opts;
}
// Fallback: use component's width property if available
const w = (component as { width?: number }).width;
return w ? { width: w } : undefined;
};
const handle = this.ui.showOverlay(component, resolveOptions());
// Expose handle to caller for visibility control
options?.onHandle?.(handle);
} else {
this.editorContainer.clear();
this.editorContainer.addChild(component);
this.ui.setFocus(component);
this.ui.requestRender();
}
})
.catch((err) => {
if (closed) return;
if (!isOverlay) restoreEditor();
reject(err);
});
});
}
/**
* Show an extension error in the UI.
*/
private showExtensionError(extensionPath: string, error: string, stack?: string): void {
const errorMsg = `Extension "${extensionPath}" error: ${error}`;
const errorText = new Text(theme.fg("error", errorMsg), 1, 0);
this.chatContainer.addChild(errorText);
if (stack) {
// Show stack trace in dim color, indented
const stackLines = stack
.split("\n")
.slice(1) // Skip first line (duplicates error message)
.map((line) => theme.fg("dim", ` ${line.trim()}`))
.join("\n");
if (stackLines) {
this.chatContainer.addChild(new Text(stackLines, 1, 0));
}
}
this.ui.requestRender();
}
// =========================================================================
// Key Handlers
// =========================================================================
private setupKeyHandlers(): void {
// Set up handlers on defaultEditor - they use this.editor for text access
// so they work correctly regardless of which editor is active
this.defaultEditor.onEscape = () => {
if (this.loadingAnimation) {
this.restoreQueuedMessagesToEditor({ abort: true });
} else if (this.session.isBashRunning) {
this.session.abortBash();
} else if (this.isBashMode) {
this.editor.setText("");
this.isBashMode = false;
this.updateEditorBorderColor();
} else if (!this.editor.getText().trim()) {
// Double-escape with empty editor triggers /tree or /fork based on setting
const now = Date.now();
if (now - this.lastEscapeTime < 500) {
if (this.settingsManager.getDoubleEscapeAction() === "tree") {
this.showTreeSelector();
} else {
this.showUserMessageSelector();
}
this.lastEscapeTime = 0;
} else {
this.lastEscapeTime = now;
}
}
};
// Register app action handlers
this.defaultEditor.onAction("clear", () => this.handleCtrlC());
this.defaultEditor.onCtrlD = () => this.handleCtrlD();
this.defaultEditor.onAction("suspend", () => this.handleCtrlZ());
this.defaultEditor.onAction("cycleThinkingLevel", () => this.cycleThinkingLevel());
this.defaultEditor.onAction("cycleModelForward", () => this.cycleModel("forward"));
this.defaultEditor.onAction("cycleModelBackward", () => this.cycleModel("backward"));
// Global debug handler on TUI (works regardless of focus)
this.ui.onDebug = () => this.handleDebugCommand();
this.defaultEditor.onAction("selectModel", () => this.showModelSelector());
this.defaultEditor.onAction("expandTools", () => this.toggleToolOutputExpansion());
this.defaultEditor.onAction("toggleThinking", () => this.toggleThinkingBlockVisibility());
this.defaultEditor.onAction("externalEditor", () => this.openExternalEditor());
this.defaultEditor.onAction("followUp", () => this.handleFollowUp());
this.defaultEditor.onAction("dequeue", () => this.handleDequeue());
this.defaultEditor.onChange = (text: string) => {
const wasBashMode = this.isBashMode;
this.isBashMode = text.trimStart().startsWith("!");
if (wasBashMode !== this.isBashMode) {
this.updateEditorBorderColor();
}
};
// Handle clipboard image paste (triggered on Ctrl+V)
this.defaultEditor.onPasteImage = () => {
this.handleClipboardImagePaste();
};
}
private async handleClipboardImagePaste(): Promise<void> {
try {
const image = await readClipboardImage();
if (!image) {
return;
}
// Write to temp file
const tmpDir = os.tmpdir();
const ext = extensionForImageMimeType(image.mimeType) ?? "png";
const fileName = `pi-clipboard-${crypto.randomUUID()}.${ext}`;
const filePath = path.join(tmpDir, fileName);
fs.writeFileSync(filePath, Buffer.from(image.bytes));
// Insert file path directly
this.editor.insertTextAtCursor?.(filePath);
this.ui.requestRender();
} catch {
// Silently ignore clipboard errors (may not have permission, etc.)
}
}
private setupEditorSubmitHandler(): void {
this.defaultEditor.onSubmit = async (text: string) => {
text = text.trim();
if (!text) return;
// Handle commands
if (text === "/settings") {
this.showSettingsSelector();
this.editor.setText("");
return;
}
if (text === "/scoped-models") {
this.editor.setText("");
await this.showModelsSelector();
return;
}
if (text === "/model" || text.startsWith("/model ")) {
const searchTerm = text.startsWith("/model ") ? text.slice(7).trim() : undefined;
this.editor.setText("");
await this.handleModelCommand(searchTerm);
return;
}
if (text.startsWith("/export")) {
await this.handleExportCommand(text);
this.editor.setText("");
return;
}
if (text === "/share") {
await this.handleShareCommand();
this.editor.setText("");
return;
}
if (text === "/copy") {
this.handleCopyCommand();
this.editor.setText("");
return;
}
if (text === "/name" || text.startsWith("/name ")) {
this.handleNameCommand(text);
this.editor.setText("");
return;
}
if (text === "/session") {
this.handleSessionCommand();
this.editor.setText("");
return;
}
if (text === "/changelog") {
this.handleChangelogCommand();
this.editor.setText("");
return;
}
if (text === "/hotkeys") {
this.handleHotkeysCommand();
this.editor.setText("");
return;
}
if (text === "/fork") {
this.showUserMessageSelector();
this.editor.setText("");
return;
}
if (text === "/tree") {
this.showTreeSelector();
this.editor.setText("");
return;
}
if (text === "/login") {
this.showOAuthSelector("login");
this.editor.setText("");
return;
}
if (text === "/logout") {
this.showOAuthSelector("logout");
this.editor.setText("");
return;
}
if (text === "/new") {
this.editor.setText("");
await this.handleClearCommand();
return;
}
if (text === "/compact" || text.startsWith("/compact ")) {
const customInstructions = text.startsWith("/compact ") ? text.slice(9).trim() : undefined;
this.editor.setText("");
await this.handleCompactCommand(customInstructions);
return;
}
if (text === "/reload") {
this.editor.setText("");
await this.handleReloadCommand();
return;
}
if (text === "/debug") {
this.handleDebugCommand();
this.editor.setText("");
return;
}
if (text === "/arminsayshi") {
this.handleArminSaysHi();
this.editor.setText("");
return;
}
if (text === "/resume") {
this.showSessionSelector();
this.editor.setText("");
return;
}
if (text === "/quit" || text === "/exit") {
this.editor.setText("");
await this.shutdown();
return;
}
// Handle bash command (! for normal, !! for excluded from context)
if (text.startsWith("!")) {
const isExcluded = text.startsWith("!!");
const command = isExcluded ? text.slice(2).trim() : text.slice(1).trim();
if (command) {
if (this.session.isBashRunning) {
this.showWarning("A bash command is already running. Press Esc to cancel it first.");
this.editor.setText(text);
return;
}
this.editor.addToHistory?.(text);
await this.handleBashCommand(command, isExcluded);
this.isBashMode = false;
this.updateEditorBorderColor();
return;
}
}
// Queue input during compaction (extension commands execute immediately)
if (this.session.isCompacting) {
if (this.isExtensionCommand(text)) {
this.editor.addToHistory?.(text);
this.editor.setText("");
await this.session.prompt(text);
} else {
this.queueCompactionMessage(text, "steer");
}
return;
}
// If streaming, use prompt() with steer behavior
// This handles extension commands (execute immediately), prompt template expansion, and queueing
if (this.session.isStreaming) {
this.editor.addToHistory?.(text);
this.editor.setText("");
await this.session.prompt(text, { streamingBehavior: "steer" });
this.updatePendingMessagesDisplay();
this.ui.requestRender();
return;
}
// Normal message submission
// First, move any pending bash components to chat
this.flushPendingBashComponents();
if (this.onInputCallback) {
this.onInputCallback(text);
}
this.editor.addToHistory?.(text);
};
}
private subscribeToAgent(): void {
this.unsubscribe = this.session.subscribe(async (event) => {
await this.handleEvent(event);
});
}
private async handleEvent(event: AgentSessionEvent): Promise<void> {
if (!this.isInitialized) {
await this.init();
}
this.footer.invalidate();
switch (event.type) {
case "agent_start":
// Restore main escape handler if retry handler is still active
// (retry success event fires later, but we need main handler now)
if (this.retryEscapeHandler) {
this.defaultEditor.onEscape = this.retryEscapeHandler;
this.retryEscapeHandler = undefined;
}
if (this.retryLoader) {
this.retryLoader.stop();
this.retryLoader = undefined;
}
if (this.loadingAnimation) {
this.loadingAnimation.stop();
}
this.statusContainer.clear();
this.loadingAnimation = new Loader(
this.ui,
(spinner) => theme.fg("accent", spinner),
(text) => theme.fg("muted", text),
this.defaultWorkingMessage,
);
this.statusContainer.addChild(this.loadingAnimation);
this.ui.requestRender();
break;
case "message_start":
if (event.message.role === "custom") {
this.addMessageToChat(event.message);
this.ui.requestRender();
} else if (event.message.role === "user") {
this.addMessageToChat(event.message);
this.updatePendingMessagesDisplay();
this.ui.requestRender();
} else if (event.message.role === "assistant") {
this.streamingComponent = new AssistantMessageComponent(
undefined,
this.hideThinkingBlock,
this.getMarkdownThemeWithSettings(),
);
this.streamingMessage = event.message;
this.chatContainer.addChild(this.streamingComponent);
this.streamingComponent.updateContent(this.streamingMessage);
this.ui.requestRender();
}
break;
case "message_update":
if (this.streamingComponent && event.message.role === "assistant") {
this.streamingMessage = event.message;
this.streamingComponent.updateContent(this.streamingMessage);
for (const content of this.streamingMessage.content) {
if (content.type === "toolCall") {
if (!this.pendingTools.has(content.id)) {
this.chatContainer.addChild(new Text("", 0, 0));
const component = new ToolExecutionComponent(
content.name,
content.arguments,
{
showImages: this.settingsManager.getShowImages(),
},
this.getRegisteredToolDefinition(content.name),
this.ui,
);
component.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(component);
this.pendingTools.set(content.id, component);
} else {
const component = this.pendingTools.get(content.id);
if (component) {
component.updateArgs(content.arguments);
}
}
}
}
this.ui.requestRender();
}
break;
case "message_end":
if (event.message.role === "user") break;
if (this.streamingComponent && event.message.role === "assistant") {
this.streamingMessage = event.message;
let errorMessage: string | undefined;
if (this.streamingMessage.stopReason === "aborted") {
const retryAttempt = this.session.retryAttempt;
errorMessage =
retryAttempt > 0
? `Aborted after ${retryAttempt} retry attempt${retryAttempt > 1 ? "s" : ""}`
: "Operation aborted";
this.streamingMessage.errorMessage = errorMessage;
}
this.streamingComponent.updateContent(this.streamingMessage);
if (this.streamingMessage.stopReason === "aborted" || this.streamingMessage.stopReason === "error") {
if (!errorMessage) {
errorMessage = this.streamingMessage.errorMessage || "Error";
}
for (const [, component] of this.pendingTools.entries()) {
component.updateResult({
content: [{ type: "text", text: errorMessage }],
isError: true,
});
}
this.pendingTools.clear();
} else {
// Args are now complete - trigger diff computation for edit tools
for (const [, component] of this.pendingTools.entries()) {
component.setArgsComplete();
}
}
this.streamingComponent = undefined;
this.streamingMessage = undefined;
this.footer.invalidate();
}
this.ui.requestRender();
break;
case "tool_execution_start": {
if (!this.pendingTools.has(event.toolCallId)) {
const component = new ToolExecutionComponent(
event.toolName,
event.args,
{
showImages: this.settingsManager.getShowImages(),
},
this.getRegisteredToolDefinition(event.toolName),
this.ui,
);
component.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(component);
this.pendingTools.set(event.toolCallId, component);
this.ui.requestRender();
}
break;
}
case "tool_execution_update": {
const component = this.pendingTools.get(event.toolCallId);
if (component) {
component.updateResult({ ...event.partialResult, isError: false }, true);
this.ui.requestRender();
}
break;
}
case "tool_execution_end": {
const component = this.pendingTools.get(event.toolCallId);
if (component) {
component.updateResult({ ...event.result, isError: event.isError });
this.pendingTools.delete(event.toolCallId);
this.ui.requestRender();
}
break;
}
case "agent_end":
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = undefined;
this.statusContainer.clear();
}
if (this.streamingComponent) {
this.chatContainer.removeChild(this.streamingComponent);
this.streamingComponent = undefined;
this.streamingMessage = undefined;
}
this.pendingTools.clear();
await this.checkShutdownRequested();
this.ui.requestRender();
break;
case "auto_compaction_start": {
// Keep editor active; submissions are queued during compaction.
// Set up escape to abort auto-compaction
this.autoCompactionEscapeHandler = this.defaultEditor.onEscape;
this.defaultEditor.onEscape = () => {
this.session.abortCompaction();
};
// Show compacting indicator with reason
this.statusContainer.clear();
const reasonText = event.reason === "overflow" ? "Context overflow detected, " : "";
this.autoCompactionLoader = new Loader(
this.ui,
(spinner) => theme.fg("accent", spinner),
(text) => theme.fg("muted", text),
`${reasonText}Auto-compacting... (${appKey(this.keybindings, "interrupt")} to cancel)`,
);
this.statusContainer.addChild(this.autoCompactionLoader);
this.ui.requestRender();
break;
}
case "auto_compaction_end": {
// Restore escape handler
if (this.autoCompactionEscapeHandler) {
this.defaultEditor.onEscape = this.autoCompactionEscapeHandler;
this.autoCompactionEscapeHandler = undefined;
}
// Stop loader
if (this.autoCompactionLoader) {
this.autoCompactionLoader.stop();
this.autoCompactionLoader = undefined;
this.statusContainer.clear();
}
// Handle result
if (event.aborted) {
this.showStatus("Auto-compaction cancelled");
} else if (event.result) {
// Rebuild chat to show compacted state
this.chatContainer.clear();
this.rebuildChatFromMessages();
// Add compaction component at bottom so user sees it without scrolling
this.addMessageToChat({
role: "compactionSummary",
tokensBefore: event.result.tokensBefore,
summary: event.result.summary,
timestamp: Date.now(),
});
this.footer.invalidate();
} else if (event.errorMessage) {
// Compaction failed (e.g., quota exceeded, API error)
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("error", event.errorMessage), 1, 0));
}
void this.flushCompactionQueue({ willRetry: event.willRetry });
this.ui.requestRender();
break;
}
case "auto_retry_start": {
// Set up escape to abort retry
this.retryEscapeHandler = this.defaultEditor.onEscape;
this.defaultEditor.onEscape = () => {
this.session.abortRetry();
};
// Show retry indicator
this.statusContainer.clear();
const delaySeconds = Math.round(event.delayMs / 1000);
this.retryLoader = new Loader(
this.ui,
(spinner) => theme.fg("warning", spinner),
(text) => theme.fg("muted", text),
`Retrying (${event.attempt}/${event.maxAttempts}) in ${delaySeconds}s... (${appKey(this.keybindings, "interrupt")} to cancel)`,
);
this.statusContainer.addChild(this.retryLoader);
this.ui.requestRender();
break;
}
case "auto_retry_end": {
// Restore escape handler
if (this.retryEscapeHandler) {
this.defaultEditor.onEscape = this.retryEscapeHandler;
this.retryEscapeHandler = undefined;
}
// Stop loader
if (this.retryLoader) {
this.retryLoader.stop();
this.retryLoader = undefined;
this.statusContainer.clear();
}
// Show error only on final failure (success shows normal response)
if (!event.success) {
this.showError(`Retry failed after ${event.attempt} attempts: ${event.finalError || "Unknown error"}`);
}
this.ui.requestRender();
break;
}
}
}
/** Extract text content from a user message */
private getUserMessageText(message: Message): string {
if (message.role !== "user") return "";
const textBlocks =
typeof message.content === "string"
? [{ type: "text", text: message.content }]
: message.content.filter((c: { type: string }) => c.type === "text");
return textBlocks.map((c) => (c as { text: string }).text).join("");
}
/**
* Show a status message in the chat.
*
* If multiple status messages are emitted back-to-back (without anything else being added to the chat),
* we update the previous status line instead of appending new ones to avoid log spam.
*/
private showStatus(message: string): void {
const children = this.chatContainer.children;
const last = children.length > 0 ? children[children.length - 1] : undefined;
const secondLast = children.length > 1 ? children[children.length - 2] : undefined;
if (last && secondLast && last === this.lastStatusText && secondLast === this.lastStatusSpacer) {
this.lastStatusText.setText(theme.fg("dim", message));
this.ui.requestRender();
return;
}
const spacer = new Spacer(1);
const text = new Text(theme.fg("dim", message), 1, 0);
this.chatContainer.addChild(spacer);
this.chatContainer.addChild(text);
this.lastStatusSpacer = spacer;
this.lastStatusText = text;
this.ui.requestRender();
}
private addMessageToChat(message: AgentMessage, options?: { populateHistory?: boolean }): void {
switch (message.role) {
case "bashExecution": {
const component = new BashExecutionComponent(message.command, this.ui, message.excludeFromContext);
if (message.output) {
component.appendOutput(message.output);
}
component.setComplete(
message.exitCode,
message.cancelled,
message.truncated ? ({ truncated: true } as TruncationResult) : undefined,
message.fullOutputPath,
);
this.chatContainer.addChild(component);
break;
}
case "custom": {
if (message.display) {
const renderer = this.session.extensionRunner?.getMessageRenderer(message.customType);
this.chatContainer.addChild(
new CustomMessageComponent(message, renderer, this.getMarkdownThemeWithSettings()),
);
}
break;
}
case "compactionSummary": {
this.chatContainer.addChild(new Spacer(1));
const component = new CompactionSummaryMessageComponent(message, this.getMarkdownThemeWithSettings());
component.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(component);
break;
}
case "branchSummary": {
this.chatContainer.addChild(new Spacer(1));
const component = new BranchSummaryMessageComponent(message, this.getMarkdownThemeWithSettings());
component.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(component);
break;
}
case "user": {
const textContent = this.getUserMessageText(message);
if (textContent) {
const skillBlock = parseSkillBlock(textContent);
if (skillBlock) {
// Render skill block (collapsible)
this.chatContainer.addChild(new Spacer(1));
const component = new SkillInvocationMessageComponent(
skillBlock,
this.getMarkdownThemeWithSettings(),
);
component.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(component);
// Render user message separately if present
if (skillBlock.userMessage) {
const userComponent = new UserMessageComponent(
skillBlock.userMessage,
this.getMarkdownThemeWithSettings(),
);
this.chatContainer.addChild(userComponent);
}
} else {
const userComponent = new UserMessageComponent(textContent, this.getMarkdownThemeWithSettings());
this.chatContainer.addChild(userComponent);
}
if (options?.populateHistory) {
this.editor.addToHistory?.(textContent);
}
}
break;
}
case "assistant": {
const assistantComponent = new AssistantMessageComponent(
message,
this.hideThinkingBlock,
this.getMarkdownThemeWithSettings(),
);
this.chatContainer.addChild(assistantComponent);
break;
}
case "toolResult": {
// Tool results are rendered inline with tool calls, handled separately
break;
}
default: {
const _exhaustive: never = message;
}
}
}
/**
* Render session context to chat. Used for initial load and rebuild after compaction.
* @param sessionContext Session context to render
* @param options.updateFooter Update footer state
* @param options.populateHistory Add user messages to editor history
*/
private renderSessionContext(
sessionContext: SessionContext,
options: { updateFooter?: boolean; populateHistory?: boolean } = {},
): void {
this.pendingTools.clear();
if (options.updateFooter) {
this.footer.invalidate();
this.updateEditorBorderColor();
}
for (const message of sessionContext.messages) {
// Assistant messages need special handling for tool calls
if (message.role === "assistant") {
this.addMessageToChat(message);
// Render tool call components
for (const content of message.content) {
if (content.type === "toolCall") {
const component = new ToolExecutionComponent(
content.name,
content.arguments,
{ showImages: this.settingsManager.getShowImages() },
this.getRegisteredToolDefinition(content.name),
this.ui,
);
component.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(component);
if (message.stopReason === "aborted" || message.stopReason === "error") {
let errorMessage: string;
if (message.stopReason === "aborted") {
const retryAttempt = this.session.retryAttempt;
errorMessage =
retryAttempt > 0
? `Aborted after ${retryAttempt} retry attempt${retryAttempt > 1 ? "s" : ""}`
: "Operation aborted";
} else {
errorMessage = message.errorMessage || "Error";
}
component.updateResult({ content: [{ type: "text", text: errorMessage }], isError: true });
} else {
this.pendingTools.set(content.id, component);
}
}
}
} else if (message.role === "toolResult") {
// Match tool results to pending tool components
const component = this.pendingTools.get(message.toolCallId);
if (component) {
component.updateResult(message);
this.pendingTools.delete(message.toolCallId);
}
} else {
// All other messages use standard rendering
this.addMessageToChat(message, options);
}
}
this.pendingTools.clear();
this.ui.requestRender();
}
renderInitialMessages(): void {
// Get aligned messages and entries from session context
const context = this.sessionManager.buildSessionContext();
this.renderSessionContext(context, {
updateFooter: true,
populateHistory: true,
});
// Show compaction info if session was compacted
const allEntries = this.sessionManager.getEntries();
const compactionCount = allEntries.filter((e) => e.type === "compaction").length;
if (compactionCount > 0) {
const times = compactionCount === 1 ? "1 time" : `${compactionCount} times`;
this.showStatus(`Session compacted ${times}`);
}
}
async getUserInput(): Promise<string> {
return new Promise((resolve) => {
this.onInputCallback = (text: string) => {
this.onInputCallback = undefined;
resolve(text);
};
});
}
private rebuildChatFromMessages(): void {
this.chatContainer.clear();
const context = this.sessionManager.buildSessionContext();
this.renderSessionContext(context);
}
// =========================================================================
// Key handlers
// =========================================================================
private handleCtrlC(): void {
const now = Date.now();
if (now - this.lastSigintTime < 500) {
void this.shutdown();
} else {
this.clearEditor();
this.lastSigintTime = now;
}
}
private handleCtrlD(): void {
// Only called when editor is empty (enforced by CustomEditor)
void this.shutdown();
}
/**
* Gracefully shutdown the agent.
* Emits shutdown event to extensions, then exits.
*/
private isShuttingDown = false;
private async shutdown(): Promise<void> {
if (this.isShuttingDown) return;
this.isShuttingDown = true;
// Emit shutdown event to extensions
const extensionRunner = this.session.extensionRunner;
if (extensionRunner?.hasHandlers("session_shutdown")) {
await extensionRunner.emit({
type: "session_shutdown",
});
}
// Wait for any pending renders to complete
// requestRender() uses process.nextTick(), so we wait one tick
await new Promise((resolve) => process.nextTick(resolve));
this.stop();
process.exit(0);
}
/**
* Check if shutdown was requested and perform shutdown if so.
*/
private async checkShutdownRequested(): Promise<void> {
if (!this.shutdownRequested) return;
await this.shutdown();
}
private handleCtrlZ(): void {
// Set up handler to restore TUI when resumed
process.once("SIGCONT", () => {
this.ui.start();
this.ui.requestRender(true);
});
// Stop the TUI (restore terminal to normal mode)
this.ui.stop();
// Send SIGTSTP to process group (pid=0 means all processes in group)
process.kill(0, "SIGTSTP");
}
private async handleFollowUp(): Promise<void> {
const text = (this.editor.getExpandedText?.() ?? this.editor.getText()).trim();
if (!text) return;
// Queue input during compaction (extension commands execute immediately)
if (this.session.isCompacting) {
if (this.isExtensionCommand(text)) {
this.editor.addToHistory?.(text);
this.editor.setText("");
await this.session.prompt(text);
} else {
this.queueCompactionMessage(text, "followUp");
}
return;
}
// Alt+Enter queues a follow-up message (waits until agent finishes)
// This handles extension commands (execute immediately), prompt template expansion, and queueing
if (this.session.isStreaming) {
this.editor.addToHistory?.(text);
this.editor.setText("");
await this.session.prompt(text, { streamingBehavior: "followUp" });
this.updatePendingMessagesDisplay();
this.ui.requestRender();
}
// If not streaming, Alt+Enter acts like regular Enter (trigger onSubmit)
else if (this.editor.onSubmit) {
this.editor.onSubmit(text);
}
}
private handleDequeue(): void {
const restored = this.restoreQueuedMessagesToEditor();
if (restored === 0) {
this.showStatus("No queued messages to restore");
} else {
this.showStatus(`Restored ${restored} queued message${restored > 1 ? "s" : ""} to editor`);
}
}
private updateEditorBorderColor(): void {
if (this.isBashMode) {
this.editor.borderColor = theme.getBashModeBorderColor();
} else {
const level = this.session.thinkingLevel || "off";
this.editor.borderColor = theme.getThinkingBorderColor(level);
}
this.ui.requestRender();
}
private cycleThinkingLevel(): void {
const newLevel = this.session.cycleThinkingLevel();
if (newLevel === undefined) {
this.showStatus("Current model does not support thinking");
} else {
this.footer.invalidate();
this.updateEditorBorderColor();
this.showStatus(`Thinking level: ${newLevel}`);
}
}
private async cycleModel(direction: "forward" | "backward"): Promise<void> {
try {
const result = await this.session.cycleModel(direction);
if (result === undefined) {
const msg = this.session.scopedModels.length > 0 ? "Only one model in scope" : "Only one model available";
this.showStatus(msg);
} else {
this.footer.invalidate();
this.updateEditorBorderColor();
const thinkingStr =
result.model.reasoning && result.thinkingLevel !== "off" ? ` (thinking: ${result.thinkingLevel})` : "";
this.showStatus(`Switched to ${result.model.name || result.model.id}${thinkingStr}`);
}
} catch (error) {
this.showError(error instanceof Error ? error.message : String(error));
}
}
private toggleToolOutputExpansion(): void {
this.toolOutputExpanded = !this.toolOutputExpanded;
for (const child of this.chatContainer.children) {
if (isExpandable(child)) {
child.setExpanded(this.toolOutputExpanded);
}
}
this.ui.requestRender();
}
private toggleThinkingBlockVisibility(): void {
this.hideThinkingBlock = !this.hideThinkingBlock;
this.settingsManager.setHideThinkingBlock(this.hideThinkingBlock);
// Rebuild chat from session messages
this.chatContainer.clear();
this.rebuildChatFromMessages();
// If streaming, re-add the streaming component with updated visibility and re-render
if (this.streamingComponent && this.streamingMessage) {
this.streamingComponent.setHideThinkingBlock(this.hideThinkingBlock);
this.streamingComponent.updateContent(this.streamingMessage);
this.chatContainer.addChild(this.streamingComponent);
}
this.showStatus(`Thinking blocks: ${this.hideThinkingBlock ? "hidden" : "visible"}`);
}
private openExternalEditor(): void {
// Determine editor (respect $VISUAL, then $EDITOR)
const editorCmd = process.env.VISUAL || process.env.EDITOR;
if (!editorCmd) {
this.showWarning("No editor configured. Set $VISUAL or $EDITOR environment variable.");
return;
}
const currentText = this.editor.getExpandedText?.() ?? this.editor.getText();
const tmpFile = path.join(os.tmpdir(), `pi-editor-${Date.now()}.pi.md`);
try {
// Write current content to temp file
fs.writeFileSync(tmpFile, currentText, "utf-8");
// Stop TUI to release terminal
this.ui.stop();
// Split by space to support editor arguments (e.g., "code --wait")
const [editor, ...editorArgs] = editorCmd.split(" ");
// Spawn editor synchronously with inherited stdio for interactive editing
const result = spawnSync(editor, [...editorArgs, tmpFile], {
stdio: "inherit",
});
// On successful exit (status 0), replace editor content
if (result.status === 0) {
const newContent = fs.readFileSync(tmpFile, "utf-8").replace(/\n$/, "");
this.editor.setText(newContent);
}
// On non-zero exit, keep original text (no action needed)
} finally {
// Clean up temp file
try {
fs.unlinkSync(tmpFile);
} catch {
// Ignore cleanup errors
}
// Restart TUI
this.ui.start();
// Force full re-render since external editor uses alternate screen
this.ui.requestRender(true);
}
}
// =========================================================================
// UI helpers
// =========================================================================
clearEditor(): void {
this.editor.setText("");
this.ui.requestRender();
}
showError(errorMessage: string): void {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("error", `Error: ${errorMessage}`), 1, 0));
this.ui.requestRender();
}
showWarning(warningMessage: string): void {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("warning", `Warning: ${warningMessage}`), 1, 0));
this.ui.requestRender();
}
showNewVersionNotification(newVersion: string): void {
const action = isBunBinary
? `Download from: ${theme.fg("accent", "https://github.com/badlogic/pi-mono/releases/latest")}`
: `Run: ${theme.fg("accent", `${isBunRuntime ? "bun" : "npm"} install -g @mariozechner/pi-coding-agent`)}`;
const updateInstruction = theme.fg("muted", `New version ${newVersion} is available. `) + action;
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new DynamicBorder((text) => theme.fg("warning", text)));
this.chatContainer.addChild(
new Text(`${theme.bold(theme.fg("warning", "Update Available"))}\n${updateInstruction}`, 1, 0),
);
this.chatContainer.addChild(new DynamicBorder((text) => theme.fg("warning", text)));
this.ui.requestRender();
}
private updatePendingMessagesDisplay(): void {
this.pendingMessagesContainer.clear();
const steeringMessages = [
...this.session.getSteeringMessages(),
...this.compactionQueuedMessages.filter((msg) => msg.mode === "steer").map((msg) => msg.text),
];
const followUpMessages = [
...this.session.getFollowUpMessages(),
...this.compactionQueuedMessages.filter((msg) => msg.mode === "followUp").map((msg) => msg.text),
];
if (steeringMessages.length > 0 || followUpMessages.length > 0) {
this.pendingMessagesContainer.addChild(new Spacer(1));
for (const message of steeringMessages) {
const text = theme.fg("dim", `Steering: ${message}`);
this.pendingMessagesContainer.addChild(new TruncatedText(text, 1, 0));
}
for (const message of followUpMessages) {
const text = theme.fg("dim", `Follow-up: ${message}`);
this.pendingMessagesContainer.addChild(new TruncatedText(text, 1, 0));
}
const dequeueHint = this.getAppKeyDisplay("dequeue");
const hintText = theme.fg("dim", `${dequeueHint} to edit all queued messages`);
this.pendingMessagesContainer.addChild(new TruncatedText(hintText, 1, 0));
}
}
private restoreQueuedMessagesToEditor(options?: { abort?: boolean; currentText?: string }): number {
const { steering, followUp } = this.session.clearQueue();
const allQueued = [...steering, ...followUp];
if (allQueued.length === 0) {
this.updatePendingMessagesDisplay();
if (options?.abort) {
this.agent.abort();
}
return 0;
}
const queuedText = allQueued.join("\n\n");
const currentText = options?.currentText ?? this.editor.getText();
const combinedText = [queuedText, currentText].filter((t) => t.trim()).join("\n\n");
this.editor.setText(combinedText);
this.updatePendingMessagesDisplay();
if (options?.abort) {
this.agent.abort();
}
return allQueued.length;
}
private queueCompactionMessage(text: string, mode: "steer" | "followUp"): void {
this.compactionQueuedMessages.push({ text, mode });
this.editor.addToHistory?.(text);
this.editor.setText("");
this.updatePendingMessagesDisplay();
this.showStatus("Queued message for after compaction");
}
private isExtensionCommand(text: string): boolean {
if (!text.startsWith("/")) return false;
const extensionRunner = this.session.extensionRunner;
if (!extensionRunner) return false;
const spaceIndex = text.indexOf(" ");
const commandName = spaceIndex === -1 ? text.slice(1) : text.slice(1, spaceIndex);
return !!extensionRunner.getCommand(commandName);
}
private async flushCompactionQueue(options?: { willRetry?: boolean }): Promise<void> {
if (this.compactionQueuedMessages.length === 0) {
return;
}
const queuedMessages = [...this.compactionQueuedMessages];
this.compactionQueuedMessages = [];
this.updatePendingMessagesDisplay();
const restoreQueue = (error: unknown) => {
this.session.clearQueue();
this.compactionQueuedMessages = queuedMessages;
this.updatePendingMessagesDisplay();
this.showError(
`Failed to send queued message${queuedMessages.length > 1 ? "s" : ""}: ${
error instanceof Error ? error.message : String(error)
}`,
);
};
try {
if (options?.willRetry) {
// When retry is pending, queue messages for the retry turn
for (const message of queuedMessages) {
if (this.isExtensionCommand(message.text)) {
await this.session.prompt(message.text);
} else if (message.mode === "followUp") {
await this.session.followUp(message.text);
} else {
await this.session.steer(message.text);
}
}
this.updatePendingMessagesDisplay();
return;
}
// Find first non-extension-command message to use as prompt
const firstPromptIndex = queuedMessages.findIndex((message) => !this.isExtensionCommand(message.text));
if (firstPromptIndex === -1) {
// All extension commands - execute them all
for (const message of queuedMessages) {
await this.session.prompt(message.text);
}
return;
}
// Execute any extension commands before the first prompt
const preCommands = queuedMessages.slice(0, firstPromptIndex);
const firstPrompt = queuedMessages[firstPromptIndex];
const rest = queuedMessages.slice(firstPromptIndex + 1);
for (const message of preCommands) {
await this.session.prompt(message.text);
}
// Send first prompt (starts streaming)
const promptPromise = this.session.prompt(firstPrompt.text).catch((error) => {
restoreQueue(error);
});
// Queue remaining messages
for (const message of rest) {
if (this.isExtensionCommand(message.text)) {
await this.session.prompt(message.text);
} else if (message.mode === "followUp") {
await this.session.followUp(message.text);
} else {
await this.session.steer(message.text);
}
}
this.updatePendingMessagesDisplay();
void promptPromise;
} catch (error) {
restoreQueue(error);
}
}
/** Move pending bash components from pending area to chat */
private flushPendingBashComponents(): void {
for (const component of this.pendingBashComponents) {
this.pendingMessagesContainer.removeChild(component);
this.chatContainer.addChild(component);
}
this.pendingBashComponents = [];
}
// =========================================================================
// Selectors
// =========================================================================
/**
* Shows a selector component in place of the editor.
* @param create Factory that receives a `done` callback and returns the component and focus target
*/
private showSelector(create: (done: () => void) => { component: Component; focus: Component }): void {
const done = () => {
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.ui.setFocus(this.editor);
};
const { component, focus } = create(done);
this.editorContainer.clear();
this.editorContainer.addChild(component);
this.ui.setFocus(focus);
this.ui.requestRender();
}
private showSettingsSelector(): void {
this.showSelector((done) => {
const selector = new SettingsSelectorComponent(
{
autoCompact: this.session.autoCompactionEnabled,
showImages: this.settingsManager.getShowImages(),
autoResizeImages: this.settingsManager.getImageAutoResize(),
blockImages: this.settingsManager.getBlockImages(),
enableSkillCommands: this.settingsManager.getEnableSkillCommands(),
steeringMode: this.session.steeringMode,
followUpMode: this.session.followUpMode,
thinkingLevel: this.session.thinkingLevel,
availableThinkingLevels: this.session.getAvailableThinkingLevels(),
currentTheme: this.settingsManager.getTheme() || "dark",
availableThemes: getAvailableThemes(),
hideThinkingBlock: this.hideThinkingBlock,
collapseChangelog: this.settingsManager.getCollapseChangelog(),
doubleEscapeAction: this.settingsManager.getDoubleEscapeAction(),
showHardwareCursor: this.settingsManager.getShowHardwareCursor(),
editorPaddingX: this.settingsManager.getEditorPaddingX(),
quietStartup: this.settingsManager.getQuietStartup(),
},
{
onAutoCompactChange: (enabled) => {
this.session.setAutoCompactionEnabled(enabled);
this.footer.setAutoCompactEnabled(enabled);
},
onShowImagesChange: (enabled) => {
this.settingsManager.setShowImages(enabled);
for (const child of this.chatContainer.children) {
if (child instanceof ToolExecutionComponent) {
child.setShowImages(enabled);
}
}
},
onAutoResizeImagesChange: (enabled) => {
this.settingsManager.setImageAutoResize(enabled);
},
onBlockImagesChange: (blocked) => {
this.settingsManager.setBlockImages(blocked);
},
onEnableSkillCommandsChange: (enabled) => {
this.settingsManager.setEnableSkillCommands(enabled);
this.rebuildAutocomplete();
},
onSteeringModeChange: (mode) => {
this.session.setSteeringMode(mode);
},
onFollowUpModeChange: (mode) => {
this.session.setFollowUpMode(mode);
},
onThinkingLevelChange: (level) => {
this.session.setThinkingLevel(level);
this.footer.invalidate();
this.updateEditorBorderColor();
},
onThemeChange: (themeName) => {
const result = setTheme(themeName, true);
this.settingsManager.setTheme(themeName);
this.ui.invalidate();
if (!result.success) {
this.showError(`Failed to load theme "${themeName}": ${result.error}\nFell back to dark theme.`);
}
},
onThemePreview: (themeName) => {
const result = setTheme(themeName, true);
if (result.success) {
this.ui.invalidate();
this.ui.requestRender();
}
},
onHideThinkingBlockChange: (hidden) => {
this.hideThinkingBlock = hidden;
this.settingsManager.setHideThinkingBlock(hidden);
for (const child of this.chatContainer.children) {
if (child instanceof AssistantMessageComponent) {
child.setHideThinkingBlock(hidden);
}
}
this.chatContainer.clear();
this.rebuildChatFromMessages();
},
onCollapseChangelogChange: (collapsed) => {
this.settingsManager.setCollapseChangelog(collapsed);
},
onQuietStartupChange: (enabled) => {
this.settingsManager.setQuietStartup(enabled);
},
onDoubleEscapeActionChange: (action) => {
this.settingsManager.setDoubleEscapeAction(action);
},
onShowHardwareCursorChange: (enabled) => {
this.settingsManager.setShowHardwareCursor(enabled);
this.ui.setShowHardwareCursor(enabled);
},
onEditorPaddingXChange: (padding) => {
this.settingsManager.setEditorPaddingX(padding);
this.defaultEditor.setPaddingX(padding);
},
onCancel: () => {
done();
this.ui.requestRender();
},
},
);
return { component: selector, focus: selector.getSettingsList() };
});
}
private async handleModelCommand(searchTerm?: string): Promise<void> {
if (!searchTerm) {
this.showModelSelector();
return;
}
const model = await this.findExactModelMatch(searchTerm);
if (model) {
try {
await this.session.setModel(model);
this.footer.invalidate();
this.updateEditorBorderColor();
this.showStatus(`Model: ${model.id}`);
} catch (error) {
this.showError(error instanceof Error ? error.message : String(error));
}
return;
}
this.showModelSelector(searchTerm);
}
private async findExactModelMatch(searchTerm: string): Promise<Model<any> | undefined> {
const term = searchTerm.trim();
if (!term) return undefined;
let targetProvider: string | undefined;
let targetModelId = "";
if (term.includes("/")) {
const parts = term.split("/", 2);
targetProvider = parts[0]?.trim().toLowerCase();
targetModelId = parts[1]?.trim().toLowerCase() ?? "";
} else {
targetModelId = term.toLowerCase();
}
if (!targetModelId) return undefined;
const models = await this.getModelCandidates();
const exactMatches = models.filter((item) => {
const idMatch = item.id.toLowerCase() === targetModelId;
const providerMatch = !targetProvider || item.provider.toLowerCase() === targetProvider;
return idMatch && providerMatch;
});
return exactMatches.length === 1 ? exactMatches[0] : undefined;
}
private async getModelCandidates(): Promise<Model<any>[]> {
if (this.session.scopedModels.length > 0) {
return this.session.scopedModels.map((scoped) => scoped.model);
}
this.session.modelRegistry.refresh();
try {
return await this.session.modelRegistry.getAvailable();
} catch {
return [];
}
}
private showModelSelector(initialSearchInput?: string): void {
this.showSelector((done) => {
const selector = new ModelSelectorComponent(
this.ui,
this.session.model,
this.settingsManager,
this.session.modelRegistry,
this.session.scopedModels,
async (model) => {
try {
await this.session.setModel(model);
this.footer.invalidate();
this.updateEditorBorderColor();
done();
this.showStatus(`Model: ${model.id}`);
} catch (error) {
done();
this.showError(error instanceof Error ? error.message : String(error));
}
},
() => {
done();
this.ui.requestRender();
},
initialSearchInput,
);
return { component: selector, focus: selector };
});
}
private async showModelsSelector(): Promise<void> {
// Get all available models
this.session.modelRegistry.refresh();
const allModels = this.session.modelRegistry.getAvailable();
if (allModels.length === 0) {
this.showStatus("No models available");
return;
}
// Check if session has scoped models (from previous session-only changes or CLI --models)
const sessionScopedModels = this.session.scopedModels;
const hasSessionScope = sessionScopedModels.length > 0;
// Build enabled model IDs from session state or settings
const enabledModelIds = new Set<string>();
let hasFilter = false;
if (hasSessionScope) {
// Use current session's scoped models
for (const sm of sessionScopedModels) {
enabledModelIds.add(`${sm.model.provider}/${sm.model.id}`);
}
hasFilter = true;
} else {
// Fall back to settings
const patterns = this.settingsManager.getEnabledModels();
if (patterns !== undefined && patterns.length > 0) {
hasFilter = true;
const scopedModels = await resolveModelScope(patterns, this.session.modelRegistry);
for (const sm of scopedModels) {
enabledModelIds.add(`${sm.model.provider}/${sm.model.id}`);
}
}
}
// Track current enabled state (session-only until persisted)
const currentEnabledIds = new Set(enabledModelIds);
let currentHasFilter = hasFilter;
// Helper to update session's scoped models (session-only, no persist)
const updateSessionModels = async (enabledIds: Set<string>) => {
if (enabledIds.size > 0 && enabledIds.size < allModels.length) {
// Use current session thinking level, not settings default
const currentThinkingLevel = this.session.thinkingLevel;
const newScopedModels = await resolveModelScope(Array.from(enabledIds), this.session.modelRegistry);
this.session.setScopedModels(
newScopedModels.map((sm) => ({
model: sm.model,
thinkingLevel: sm.thinkingLevel ?? currentThinkingLevel,
})),
);
} else {
// All enabled or none enabled = no filter
this.session.setScopedModels([]);
}
};
this.showSelector((done) => {
const selector = new ScopedModelsSelectorComponent(
{
allModels,
enabledModelIds: currentEnabledIds,
hasEnabledModelsFilter: currentHasFilter,
},
{
onModelToggle: async (modelId, enabled) => {
if (enabled) {
currentEnabledIds.add(modelId);
} else {
currentEnabledIds.delete(modelId);
}
currentHasFilter = true;
await updateSessionModels(currentEnabledIds);
},
onEnableAll: async (allModelIds) => {
currentEnabledIds.clear();
for (const id of allModelIds) {
currentEnabledIds.add(id);
}
currentHasFilter = false;
await updateSessionModels(currentEnabledIds);
},
onClearAll: async () => {
currentEnabledIds.clear();
currentHasFilter = true;
await updateSessionModels(currentEnabledIds);
},
onToggleProvider: async (_provider, modelIds, enabled) => {
for (const id of modelIds) {
if (enabled) {
currentEnabledIds.add(id);
} else {
currentEnabledIds.delete(id);
}
}
currentHasFilter = true;
await updateSessionModels(currentEnabledIds);
},
onPersist: (enabledIds) => {
// Persist to settings
const newPatterns =
enabledIds.length === allModels.length
? undefined // All enabled = clear filter
: enabledIds;
this.settingsManager.setEnabledModels(newPatterns);
this.showStatus("Model selection saved to settings");
},
onCancel: () => {
done();
this.ui.requestRender();
},
},
);
return { component: selector, focus: selector };
});
}
private showUserMessageSelector(): void {
const userMessages = this.session.getUserMessagesForForking();
if (userMessages.length === 0) {
this.showStatus("No messages to fork from");
return;
}
this.showSelector((done) => {
const selector = new UserMessageSelectorComponent(
userMessages.map((m) => ({ id: m.entryId, text: m.text })),
async (entryId) => {
const result = await this.session.fork(entryId);
if (result.cancelled) {
// Extension cancelled the fork
done();
this.ui.requestRender();
return;
}
this.chatContainer.clear();
this.renderInitialMessages();
this.editor.setText(result.selectedText);
done();
this.showStatus("Branched to new session");
},
() => {
done();
this.ui.requestRender();
},
);
return { component: selector, focus: selector.getMessageList() };
});
}
private showTreeSelector(initialSelectedId?: string): void {
const tree = this.sessionManager.getTree();
const realLeafId = this.sessionManager.getLeafId();
// Find the visible leaf for display (skip metadata entries like labels)
let visibleLeafId = realLeafId;
while (visibleLeafId) {
const entry = this.sessionManager.getEntry(visibleLeafId);
if (!entry) break;
if (entry.type !== "label" && entry.type !== "custom") break;
visibleLeafId = entry.parentId ?? null;
}
if (tree.length === 0) {
this.showStatus("No entries in session");
return;
}
this.showSelector((done) => {
const selector = new TreeSelectorComponent(
tree,
visibleLeafId,
this.ui.terminal.rows,
async (entryId) => {
// Selecting the visible leaf is a no-op (already there)
if (entryId === visibleLeafId) {
done();
this.showStatus("Already at this point");
return;
}
// Ask about summarization
done(); // Close selector first
// Loop until user makes a complete choice or cancels to tree
let wantsSummary = false;
let customInstructions: string | undefined;
while (true) {
const summaryChoice = await this.showExtensionSelector("Summarize branch?", [
"No summary",
"Summarize",
"Summarize with custom prompt",
]);
if (summaryChoice === undefined) {
// User pressed escape - re-show tree selector with same selection
this.showTreeSelector(entryId);
return;
}
wantsSummary = summaryChoice !== "No summary";
if (summaryChoice === "Summarize with custom prompt") {
customInstructions = await this.showExtensionEditor("Custom summarization instructions");
if (customInstructions === undefined) {
// User cancelled - loop back to summary selector
continue;
}
}
// User made a complete choice
break;
}
// Set up escape handler and loader if summarizing
let summaryLoader: Loader | undefined;
const originalOnEscape = this.defaultEditor.onEscape;
if (wantsSummary) {
this.defaultEditor.onEscape = () => {
this.session.abortBranchSummary();
};
this.chatContainer.addChild(new Spacer(1));
summaryLoader = new Loader(
this.ui,
(spinner) => theme.fg("accent", spinner),
(text) => theme.fg("muted", text),
`Summarizing branch... (${appKey(this.keybindings, "interrupt")} to cancel)`,
);
this.statusContainer.addChild(summaryLoader);
this.ui.requestRender();
}
try {
const result = await this.session.navigateTree(entryId, {
summarize: wantsSummary,
customInstructions,
});
if (result.aborted) {
// Summarization aborted - re-show tree selector with same selection
this.showStatus("Branch summarization cancelled");
this.showTreeSelector(entryId);
return;
}
if (result.cancelled) {
this.showStatus("Navigation cancelled");
return;
}
// Update UI
this.chatContainer.clear();
this.renderInitialMessages();
if (result.editorText) {
this.editor.setText(result.editorText);
}
this.showStatus("Navigated to selected point");
} catch (error) {
this.showError(error instanceof Error ? error.message : String(error));
} finally {
if (summaryLoader) {
summaryLoader.stop();
this.statusContainer.clear();
}
this.defaultEditor.onEscape = originalOnEscape;
}
},
() => {
done();
this.ui.requestRender();
},
(entryId, label) => {
this.sessionManager.appendLabelChange(entryId, label);
this.ui.requestRender();
},
initialSelectedId,
);
return { component: selector, focus: selector };
});
}
private showSessionSelector(): void {
this.showSelector((done) => {
const selector = new SessionSelectorComponent(
(onProgress) =>
SessionManager.list(this.sessionManager.getCwd(), this.sessionManager.getSessionDir(), onProgress),
SessionManager.listAll,
async (sessionPath) => {
done();
await this.handleResumeSession(sessionPath);
},
() => {
done();
this.ui.requestRender();
},
() => {
void this.shutdown();
},
() => this.ui.requestRender(),
this.sessionManager.getSessionFile(),
);
return { component: selector, focus: selector.getSessionList() };
});
}
private async handleResumeSession(sessionPath: string): Promise<void> {
// Stop loading animation
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = undefined;
}
this.statusContainer.clear();
// Clear UI state
this.pendingMessagesContainer.clear();
this.compactionQueuedMessages = [];
this.streamingComponent = undefined;
this.streamingMessage = undefined;
this.pendingTools.clear();
// Switch session via AgentSession (emits extension session events)
await this.session.switchSession(sessionPath);
// Clear and re-render the chat
this.chatContainer.clear();
this.renderInitialMessages();
this.showStatus("Resumed session");
}
private async showOAuthSelector(mode: "login" | "logout"): Promise<void> {
if (mode === "logout") {
const providers = this.session.modelRegistry.authStorage.list();
const loggedInProviders = providers.filter(
(p) => this.session.modelRegistry.authStorage.get(p)?.type === "oauth",
);
if (loggedInProviders.length === 0) {
this.showStatus("No OAuth providers logged in. Use /login first.");
return;
}
}
this.showSelector((done) => {
const selector = new OAuthSelectorComponent(
mode,
this.session.modelRegistry.authStorage,
async (providerId: string) => {
done();
if (mode === "login") {
await this.showLoginDialog(providerId);
} else {
// Logout flow
const providerInfo = getOAuthProviders().find((p) => p.id === providerId);
const providerName = providerInfo?.name || providerId;
try {
this.session.modelRegistry.authStorage.logout(providerId);
this.session.modelRegistry.refresh();
this.showStatus(`Logged out of ${providerName}`);
} catch (error: unknown) {
this.showError(`Logout failed: ${error instanceof Error ? error.message : String(error)}`);
}
}
},
() => {
done();
this.ui.requestRender();
},
);
return { component: selector, focus: selector };
});
}
private async showLoginDialog(providerId: string): Promise<void> {
const providerInfo = getOAuthProviders().find((p) => p.id === providerId);
const providerName = providerInfo?.name || providerId;
// Providers that use callback servers (can paste redirect URL)
const usesCallbackServer =
providerId === "openai-codex" || providerId === "google-gemini-cli" || providerId === "google-antigravity";
// Create login dialog component
const dialog = new LoginDialogComponent(this.ui, providerId, (_success, _message) => {
// Completion handled below
});
// Show dialog in editor container
this.editorContainer.clear();
this.editorContainer.addChild(dialog);
this.ui.setFocus(dialog);
this.ui.requestRender();
// Promise for manual code input (racing with callback server)
let manualCodeResolve: ((code: string) => void) | undefined;
let manualCodeReject: ((err: Error) => void) | undefined;
const manualCodePromise = new Promise<string>((resolve, reject) => {
manualCodeResolve = resolve;
manualCodeReject = reject;
});
// Restore editor helper
const restoreEditor = () => {
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.ui.setFocus(this.editor);
this.ui.requestRender();
};
try {
await this.session.modelRegistry.authStorage.login(providerId as OAuthProvider, {
onAuth: (info: { url: string; instructions?: string }) => {
dialog.showAuth(info.url, info.instructions);
if (usesCallbackServer) {
// Show input for manual paste, racing with callback
dialog
.showManualInput("Paste redirect URL below, or complete login in browser:")
.then((value) => {
if (value && manualCodeResolve) {
manualCodeResolve(value);
manualCodeResolve = undefined;
}
})
.catch(() => {
if (manualCodeReject) {
manualCodeReject(new Error("Login cancelled"));
manualCodeReject = undefined;
}
});
} else if (providerId === "github-copilot") {
// GitHub Copilot polls after onAuth
dialog.showWaiting("Waiting for browser authentication...");
}
// For Anthropic: onPrompt is called immediately after
},
onPrompt: async (prompt: { message: string; placeholder?: string }) => {
return dialog.showPrompt(prompt.message, prompt.placeholder);
},
onProgress: (message: string) => {
dialog.showProgress(message);
},
onManualCodeInput: () => manualCodePromise,
signal: dialog.signal,
});
// Success
restoreEditor();
this.session.modelRegistry.refresh();
this.showStatus(`Logged in to ${providerName}. Credentials saved to ${getAuthPath()}`);
} catch (error: unknown) {
restoreEditor();
const errorMsg = error instanceof Error ? error.message : String(error);
if (errorMsg !== "Login cancelled") {
this.showError(`Failed to login to ${providerName}: ${errorMsg}`);
}
}
}
// =========================================================================
// Command handlers
// =========================================================================
private async handleReloadCommand(): Promise<void> {
if (this.session.isStreaming) {
this.showWarning("Wait for the current response to finish before reloading.");
return;
}
if (this.session.isCompacting) {
this.showWarning("Wait for compaction to finish before reloading.");
return;
}
this.resetExtensionUI();
const loader = new BorderedLoader(this.ui, theme, "Reloading extensions, skills, prompts, themes...", {
cancellable: false,
});
const previousEditor = this.editor;
this.editorContainer.clear();
this.editorContainer.addChild(loader);
this.ui.setFocus(loader);
this.ui.requestRender();
const restoreEditor = () => {
loader.dispose();
this.editorContainer.clear();
this.editorContainer.addChild(previousEditor);
this.ui.setFocus(previousEditor as Component);
this.ui.requestRender();
};
try {
await this.session.reload();
this.rebuildAutocomplete();
const runner = this.session.extensionRunner;
if (runner) {
this.setupExtensionShortcuts(runner);
}
restoreEditor();
this.showLoadedResources({ extensionPaths: runner?.getExtensionPaths() ?? [], force: true });
const modelsJsonError = this.session.modelRegistry.getError();
if (modelsJsonError) {
this.showError(`models.json error: ${modelsJsonError}`);
}
this.showStatus("Reloaded extensions, skills, prompts, themes");
} catch (error) {
restoreEditor();
this.showError(`Reload failed: ${error instanceof Error ? error.message : String(error)}`);
}
}
private async handleExportCommand(text: string): Promise<void> {
const parts = text.split(/\s+/);
const outputPath = parts.length > 1 ? parts[1] : undefined;
try {
const filePath = await this.session.exportToHtml(outputPath);
this.showStatus(`Session exported to: ${filePath}`);
} catch (error: unknown) {
this.showError(`Failed to export session: ${error instanceof Error ? error.message : "Unknown error"}`);
}
}
private async handleShareCommand(): Promise<void> {
// Check if gh is available and logged in
try {
const authResult = spawnSync("gh", ["auth", "status"], { encoding: "utf-8" });
if (authResult.status !== 0) {
this.showError("GitHub CLI is not logged in. Run 'gh auth login' first.");
return;
}
} catch {
this.showError("GitHub CLI (gh) is not installed. Install it from https://cli.github.com/");
return;
}
// Export to a temp file
const tmpFile = path.join(os.tmpdir(), "session.html");
try {
await this.session.exportToHtml(tmpFile);
} catch (error: unknown) {
this.showError(`Failed to export session: ${error instanceof Error ? error.message : "Unknown error"}`);
return;
}
// Show cancellable loader, replacing the editor
const loader = new BorderedLoader(this.ui, theme, "Creating gist...");
this.editorContainer.clear();
this.editorContainer.addChild(loader);
this.ui.setFocus(loader);
this.ui.requestRender();
const restoreEditor = () => {
loader.dispose();
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.ui.setFocus(this.editor);
try {
fs.unlinkSync(tmpFile);
} catch {
// Ignore cleanup errors
}
};
// Create a secret gist asynchronously
let proc: ReturnType<typeof spawn> | null = null;
loader.onAbort = () => {
proc?.kill();
restoreEditor();
this.showStatus("Share cancelled");
};
try {
const result = await new Promise<{ stdout: string; stderr: string; code: number | null }>((resolve) => {
proc = spawn("gh", ["gist", "create", "--public=false", tmpFile]);
let stdout = "";
let stderr = "";
proc.stdout?.on("data", (data) => {
stdout += data.toString();
});
proc.stderr?.on("data", (data) => {
stderr += data.toString();
});
proc.on("close", (code) => resolve({ stdout, stderr, code }));
});
if (loader.signal.aborted) return;
restoreEditor();
if (result.code !== 0) {
const errorMsg = result.stderr?.trim() || "Unknown error";
this.showError(`Failed to create gist: ${errorMsg}`);
return;
}
// Extract gist ID from the URL returned by gh
// gh returns something like: https://gist.github.com/username/GIST_ID
const gistUrl = result.stdout?.trim();
const gistId = gistUrl?.split("/").pop();
if (!gistId) {
this.showError("Failed to parse gist ID from gh output");
return;
}
// Create the preview URL
const previewUrl = getShareViewerUrl(gistId);
this.showStatus(`Share URL: ${previewUrl}\nGist: ${gistUrl}`);
} catch (error: unknown) {
if (!loader.signal.aborted) {
restoreEditor();
this.showError(`Failed to create gist: ${error instanceof Error ? error.message : "Unknown error"}`);
}
}
}
private handleCopyCommand(): void {
const text = this.session.getLastAssistantText();
if (!text) {
this.showError("No agent messages to copy yet.");
return;
}
try {
copyToClipboard(text);
this.showStatus("Copied last agent message to clipboard");
} catch (error) {
this.showError(error instanceof Error ? error.message : String(error));
}
}
private handleNameCommand(text: string): void {
const name = text.replace(/^\/name\s*/, "").trim();
if (!name) {
const currentName = this.sessionManager.getSessionName();
if (currentName) {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", `Session name: ${currentName}`), 1, 0));
} else {
this.showWarning("Usage: /name <name>");
}
this.ui.requestRender();
return;
}
this.sessionManager.appendSessionInfo(name);
this.updateTerminalTitle();
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", `Session name set: ${name}`), 1, 0));
this.ui.requestRender();
}
private handleSessionCommand(): void {
const stats = this.session.getSessionStats();
const sessionName = this.sessionManager.getSessionName();
let info = `${theme.bold("Session Info")}\n\n`;
if (sessionName) {
info += `${theme.fg("dim", "Name:")} ${sessionName}\n`;
}
info += `${theme.fg("dim", "File:")} ${stats.sessionFile ?? "In-memory"}\n`;
info += `${theme.fg("dim", "ID:")} ${stats.sessionId}\n\n`;
info += `${theme.bold("Messages")}\n`;
info += `${theme.fg("dim", "User:")} ${stats.userMessages}\n`;
info += `${theme.fg("dim", "Assistant:")} ${stats.assistantMessages}\n`;
info += `${theme.fg("dim", "Tool Calls:")} ${stats.toolCalls}\n`;
info += `${theme.fg("dim", "Tool Results:")} ${stats.toolResults}\n`;
info += `${theme.fg("dim", "Total:")} ${stats.totalMessages}\n\n`;
info += `${theme.bold("Tokens")}\n`;
info += `${theme.fg("dim", "Input:")} ${stats.tokens.input.toLocaleString()}\n`;
info += `${theme.fg("dim", "Output:")} ${stats.tokens.output.toLocaleString()}\n`;
if (stats.tokens.cacheRead > 0) {
info += `${theme.fg("dim", "Cache Read:")} ${stats.tokens.cacheRead.toLocaleString()}\n`;
}
if (stats.tokens.cacheWrite > 0) {
info += `${theme.fg("dim", "Cache Write:")} ${stats.tokens.cacheWrite.toLocaleString()}\n`;
}
info += `${theme.fg("dim", "Total:")} ${stats.tokens.total.toLocaleString()}\n`;
if (stats.cost > 0) {
info += `\n${theme.bold("Cost")}\n`;
info += `${theme.fg("dim", "Total:")} ${stats.cost.toFixed(4)}`;
}
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(info, 1, 0));
this.ui.requestRender();
}
private handleChangelogCommand(): void {
const changelogPath = getChangelogPath();
const allEntries = parseChangelog(changelogPath);
const changelogMarkdown =
allEntries.length > 0
? allEntries
.reverse()
.map((e) => e.content)
.join("\n\n")
: "No changelog entries found.";
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new DynamicBorder());
this.chatContainer.addChild(new Text(theme.bold(theme.fg("accent", "What's New")), 1, 0));
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Markdown(changelogMarkdown, 1, 1, this.getMarkdownThemeWithSettings()));
this.chatContainer.addChild(new DynamicBorder());
this.ui.requestRender();
}
/**
* Capitalize keybinding for display (e.g., "ctrl+c" -> "Ctrl+C").
*/
private capitalizeKey(key: string): string {
return key
.split("/")
.map((k) =>
k
.split("+")
.map((part) => part.charAt(0).toUpperCase() + part.slice(1))
.join("+"),
)
.join("/");
}
/**
* Get capitalized display string for an app keybinding action.
*/
private getAppKeyDisplay(action: AppAction): string {
return this.capitalizeKey(appKey(this.keybindings, action));
}
/**
* Get capitalized display string for an editor keybinding action.
*/
private getEditorKeyDisplay(action: EditorAction): string {
return this.capitalizeKey(editorKey(action));
}
private handleHotkeysCommand(): void {
// Navigation keybindings
const cursorWordLeft = this.getEditorKeyDisplay("cursorWordLeft");
const cursorWordRight = this.getEditorKeyDisplay("cursorWordRight");
const cursorLineStart = this.getEditorKeyDisplay("cursorLineStart");
const cursorLineEnd = this.getEditorKeyDisplay("cursorLineEnd");
// Editing keybindings
const submit = this.getEditorKeyDisplay("submit");
const newLine = this.getEditorKeyDisplay("newLine");
const deleteWordBackward = this.getEditorKeyDisplay("deleteWordBackward");
const deleteWordForward = this.getEditorKeyDisplay("deleteWordForward");
const deleteToLineStart = this.getEditorKeyDisplay("deleteToLineStart");
const deleteToLineEnd = this.getEditorKeyDisplay("deleteToLineEnd");
const yank = this.getEditorKeyDisplay("yank");
const yankPop = this.getEditorKeyDisplay("yankPop");
const undo = this.getEditorKeyDisplay("undo");
const tab = this.getEditorKeyDisplay("tab");
// App keybindings
const interrupt = this.getAppKeyDisplay("interrupt");
const clear = this.getAppKeyDisplay("clear");
const exit = this.getAppKeyDisplay("exit");
const suspend = this.getAppKeyDisplay("suspend");
const cycleThinkingLevel = this.getAppKeyDisplay("cycleThinkingLevel");
const cycleModelForward = this.getAppKeyDisplay("cycleModelForward");
const expandTools = this.getAppKeyDisplay("expandTools");
const toggleThinking = this.getAppKeyDisplay("toggleThinking");
const externalEditor = this.getAppKeyDisplay("externalEditor");
const followUp = this.getAppKeyDisplay("followUp");
const dequeue = this.getAppKeyDisplay("dequeue");
let hotkeys = `
**Navigation**
| Key | Action |
|-----|--------|
| \`Arrow keys\` | Move cursor / browse history (Up when empty) |
| \`${cursorWordLeft}\` / \`${cursorWordRight}\` | Move by word |
| \`${cursorLineStart}\` | Start of line |
| \`${cursorLineEnd}\` | End of line |
**Editing**
| Key | Action |
|-----|--------|
| \`${submit}\` | Send message |
| \`${newLine}\` | New line${process.platform === "win32" ? " (Ctrl+Enter on Windows Terminal)" : ""} |
| \`${deleteWordBackward}\` | Delete word backwards |
| \`${deleteWordForward}\` | Delete word forwards |
| \`${deleteToLineStart}\` | Delete to start of line |
| \`${deleteToLineEnd}\` | Delete to end of line |
| \`${yank}\` | Paste the most-recently-deleted text |
| \`${yankPop}\` | Cycle through the deleted text after pasting |
| \`${undo}\` | Undo |
**Other**
| Key | Action |
|-----|--------|
| \`${tab}\` | Path completion / accept autocomplete |
| \`${interrupt}\` | Cancel autocomplete / abort streaming |
| \`${clear}\` | Clear editor (first) / exit (second) |
| \`${exit}\` | Exit (when editor is empty) |
| \`${suspend}\` | Suspend to background |
| \`${cycleThinkingLevel}\` | Cycle thinking level |
| \`${cycleModelForward}\` | Cycle models |
| \`${expandTools}\` | Toggle tool output expansion |
| \`${toggleThinking}\` | Toggle thinking block visibility |
| \`${externalEditor}\` | Edit message in external editor |
| \`${followUp}\` | Queue follow-up message |
| \`${dequeue}\` | Restore queued messages |
| \`Ctrl+V\` | Paste image from clipboard |
| \`/\` | Slash commands |
| \`!\` | Run bash command |
| \`!!\` | Run bash command (excluded from context) |
`;
// Add extension-registered shortcuts
const extensionRunner = this.session.extensionRunner;
if (extensionRunner) {
const shortcuts = extensionRunner.getShortcuts(this.keybindings.getEffectiveConfig());
if (shortcuts.size > 0) {
hotkeys += `
**Extensions**
| Key | Action |
|-----|--------|
`;
for (const [key, shortcut] of shortcuts) {
const description = shortcut.description ?? shortcut.extensionPath;
hotkeys += `| \`${key}\` | ${description} |\n`;
}
}
}
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new DynamicBorder());
this.chatContainer.addChild(new Text(theme.bold(theme.fg("accent", "Keyboard Shortcuts")), 1, 0));
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Markdown(hotkeys.trim(), 1, 1, this.getMarkdownThemeWithSettings()));
this.chatContainer.addChild(new DynamicBorder());
this.ui.requestRender();
}
private async handleClearCommand(): Promise<void> {
// Stop loading animation
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = undefined;
}
this.statusContainer.clear();
// New session via session (emits extension session events)
await this.session.newSession();
// Clear UI state
this.chatContainer.clear();
this.pendingMessagesContainer.clear();
this.compactionQueuedMessages = [];
this.streamingComponent = undefined;
this.streamingMessage = undefined;
this.pendingTools.clear();
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(`${theme.fg("accent", "✓ New session started")}`, 1, 1));
this.ui.requestRender();
}
private handleDebugCommand(): void {
const width = this.ui.terminal.columns;
const height = this.ui.terminal.rows;
const allLines = this.ui.render(width);
const debugLogPath = getDebugLogPath();
const debugData = [
`Debug output at ${new Date().toISOString()}`,
`Terminal: ${width}x${height}`,
`Total lines: ${allLines.length}`,
"",
"=== All rendered lines with visible widths ===",
...allLines.map((line, idx) => {
const vw = visibleWidth(line);
const escaped = JSON.stringify(line);
return `[${idx}] (w=${vw}) ${escaped}`;
}),
"",
"=== Agent messages (JSONL) ===",
...this.session.messages.map((msg) => JSON.stringify(msg)),
"",
].join("\n");
fs.mkdirSync(path.dirname(debugLogPath), { recursive: true });
fs.writeFileSync(debugLogPath, debugData);
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(
new Text(`${theme.fg("accent", "✓ Debug log written")}\n${theme.fg("muted", debugLogPath)}`, 1, 1),
);
this.ui.requestRender();
}
private handleArminSaysHi(): void {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new ArminComponent(this.ui));
this.ui.requestRender();
}
private async handleBashCommand(command: string, excludeFromContext = false): Promise<void> {
const extensionRunner = this.session.extensionRunner;
// Emit user_bash event to let extensions intercept
const eventResult = extensionRunner
? await extensionRunner.emitUserBash({
type: "user_bash",
command,
excludeFromContext,
cwd: process.cwd(),
})
: undefined;
// If extension returned a full result, use it directly
if (eventResult?.result) {
const result = eventResult.result;
// Create UI component for display
this.bashComponent = new BashExecutionComponent(command, this.ui, excludeFromContext);
if (this.session.isStreaming) {
this.pendingMessagesContainer.addChild(this.bashComponent);
this.pendingBashComponents.push(this.bashComponent);
} else {
this.chatContainer.addChild(this.bashComponent);
}
// Show output and complete
if (result.output) {
this.bashComponent.appendOutput(result.output);
}
this.bashComponent.setComplete(
result.exitCode,
result.cancelled,
result.truncated ? ({ truncated: true, content: result.output } as TruncationResult) : undefined,
result.fullOutputPath,
);
// Record the result in session
this.session.recordBashResult(command, result, { excludeFromContext });
this.bashComponent = undefined;
this.ui.requestRender();
return;
}
// Normal execution path (possibly with custom operations)
const isDeferred = this.session.isStreaming;
this.bashComponent = new BashExecutionComponent(command, this.ui, excludeFromContext);
if (isDeferred) {
// Show in pending area when agent is streaming
this.pendingMessagesContainer.addChild(this.bashComponent);
this.pendingBashComponents.push(this.bashComponent);
} else {
// Show in chat immediately when agent is idle
this.chatContainer.addChild(this.bashComponent);
}
this.ui.requestRender();
try {
const result = await this.session.executeBash(
command,
(chunk) => {
if (this.bashComponent) {
this.bashComponent.appendOutput(chunk);
this.ui.requestRender();
}
},
{ excludeFromContext, operations: eventResult?.operations },
);
if (this.bashComponent) {
this.bashComponent.setComplete(
result.exitCode,
result.cancelled,
result.truncated ? ({ truncated: true, content: result.output } as TruncationResult) : undefined,
result.fullOutputPath,
);
}
} catch (error) {
if (this.bashComponent) {
this.bashComponent.setComplete(undefined, false);
}
this.showError(`Bash command failed: ${error instanceof Error ? error.message : "Unknown error"}`);
}
this.bashComponent = undefined;
this.ui.requestRender();
}
private async handleCompactCommand(customInstructions?: string): Promise<void> {
const entries = this.sessionManager.getEntries();
const messageCount = entries.filter((e) => e.type === "message").length;
if (messageCount < 2) {
this.showWarning("Nothing to compact (no messages yet)");
return;
}
await this.executeCompaction(customInstructions, false);
}
private async executeCompaction(customInstructions?: string, isAuto = false): Promise<CompactionResult | undefined> {
// Stop loading animation
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = undefined;
}
this.statusContainer.clear();
// Set up escape handler during compaction
const originalOnEscape = this.defaultEditor.onEscape;
this.defaultEditor.onEscape = () => {
this.session.abortCompaction();
};
// Show compacting status
this.chatContainer.addChild(new Spacer(1));
const cancelHint = `(${appKey(this.keybindings, "interrupt")} to cancel)`;
const label = isAuto ? `Auto-compacting context... ${cancelHint}` : `Compacting context... ${cancelHint}`;
const compactingLoader = new Loader(
this.ui,
(spinner) => theme.fg("accent", spinner),
(text) => theme.fg("muted", text),
label,
);
this.statusContainer.addChild(compactingLoader);
this.ui.requestRender();
let result: CompactionResult | undefined;
try {
result = await this.session.compact(customInstructions);
// Rebuild UI
this.rebuildChatFromMessages();
// Add compaction component at bottom so user sees it without scrolling
const msg = createCompactionSummaryMessage(result.summary, result.tokensBefore, new Date().toISOString());
this.addMessageToChat(msg);
this.footer.invalidate();
} catch (error) {
const message = error instanceof Error ? error.message : String(error);
if (message === "Compaction cancelled" || (error instanceof Error && error.name === "AbortError")) {
this.showError("Compaction cancelled");
} else {
this.showError(`Compaction failed: ${message}`);
}
} finally {
compactingLoader.stop();
this.statusContainer.clear();
this.defaultEditor.onEscape = originalOnEscape;
}
void this.flushCompactionQueue({ willRetry: false });
return result;
}
stop(): void {
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = undefined;
}
this.footer.dispose();
this.footerDataProvider.dispose();
if (this.unsubscribe) {
this.unsubscribe();
}
if (this.isInitialized) {
this.ui.stop();
this.isInitialized = false;
}
}
}