co-mono/packages/coding-agent/src/tui/tui-renderer.ts

1989 lines
62 KiB
TypeScript

import * as fs from "node:fs";
import * as path from "node:path";
import type { Agent, AgentEvent, AgentState, ThinkingLevel } from "@mariozechner/pi-agent-core";
import type { AssistantMessage, Message, Model } from "@mariozechner/pi-ai";
import type { SlashCommand } from "@mariozechner/pi-tui";
import {
CombinedAutocompleteProvider,
Container,
Input,
Loader,
Markdown,
ProcessTerminal,
Spacer,
Text,
TruncatedText,
TUI,
visibleWidth,
} from "@mariozechner/pi-tui";
import { exec } from "child_process";
import { getChangelogPath, parseChangelog } from "../changelog.js";
import { copyToClipboard } from "../clipboard.js";
import { calculateContextTokens, compact, shouldCompact } from "../compaction.js";
import { APP_NAME, getDebugLogPath, getModelsPath, getOAuthPath } from "../config.js";
import { exportSessionToHtml } from "../export-html.js";
import { getApiKeyForModel, getAvailableModels, invalidateOAuthCache } from "../model-config.js";
import { listOAuthProviders, login, logout, type SupportedOAuthProvider } from "../oauth/index.js";
import {
getLatestCompactionEntry,
loadSessionFromEntries,
type SessionManager,
SUMMARY_PREFIX,
SUMMARY_SUFFIX,
} from "../session-manager.js";
import type { SettingsManager } from "../settings-manager.js";
import { expandSlashCommand, type FileSlashCommand, loadSlashCommands } from "../slash-commands.js";
import { getEditorTheme, getMarkdownTheme, onThemeChange, setTheme, theme } from "../theme/theme.js";
import { AssistantMessageComponent } from "./assistant-message.js";
import { CompactionComponent } from "./compaction.js";
import { CustomEditor } from "./custom-editor.js";
import { DynamicBorder } from "./dynamic-border.js";
import { FooterComponent } from "./footer.js";
import { ModelSelectorComponent } from "./model-selector.js";
import { OAuthSelectorComponent } from "./oauth-selector.js";
import { QueueModeSelectorComponent } from "./queue-mode-selector.js";
import { ThemeSelectorComponent } from "./theme-selector.js";
import { ThinkingSelectorComponent } from "./thinking-selector.js";
import { ToolExecutionComponent } from "./tool-execution.js";
import { UserMessageComponent } from "./user-message.js";
import { UserMessageSelectorComponent } from "./user-message-selector.js";
/**
* TUI renderer for the coding agent
*/
export class TuiRenderer {
private ui: TUI;
private chatContainer: Container;
private pendingMessagesContainer: Container;
private statusContainer: Container;
private editor: CustomEditor;
private editorContainer: Container; // Container to swap between editor and selector
private footer: FooterComponent;
private agent: Agent;
private sessionManager: SessionManager;
private settingsManager: SettingsManager;
private version: string;
private isInitialized = false;
private onInputCallback?: (text: string) => void;
private loadingAnimation: Loader | null = null;
private lastSigintTime = 0;
private changelogMarkdown: string | null = null;
private newVersion: string | null = null;
// Message queueing
private queuedMessages: string[] = [];
// Streaming message tracking
private streamingComponent: AssistantMessageComponent | null = null;
// Tool execution tracking: toolCallId -> component
private pendingTools = new Map<string, ToolExecutionComponent>();
// Thinking level selector
private thinkingSelector: ThinkingSelectorComponent | null = null;
// Queue mode selector
private queueModeSelector: QueueModeSelectorComponent | null = null;
// Theme selector
private themeSelector: ThemeSelectorComponent | null = null;
// Model selector
private modelSelector: ModelSelectorComponent | null = null;
// User message selector (for branching)
private userMessageSelector: UserMessageSelectorComponent | null = null;
// OAuth selector
private oauthSelector: any | null = null;
// Track if this is the first user message (to skip spacer)
private isFirstUserMessage = true;
// Model scope for quick cycling
private scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }> = [];
// Tool output expansion state
private toolOutputExpanded = false;
// Thinking block visibility state
private hideThinkingBlock = false;
// Agent subscription unsubscribe function
private unsubscribe?: () => void;
// File-based slash commands
private fileCommands: FileSlashCommand[] = [];
constructor(
agent: Agent,
sessionManager: SessionManager,
settingsManager: SettingsManager,
version: string,
changelogMarkdown: string | null = null,
newVersion: string | null = null,
scopedModels: Array<{ model: Model<any>; thinkingLevel: ThinkingLevel }> = [],
fdPath: string | null = null,
) {
this.agent = agent;
this.sessionManager = sessionManager;
this.settingsManager = settingsManager;
this.version = version;
this.newVersion = newVersion;
this.changelogMarkdown = changelogMarkdown;
this.scopedModels = scopedModels;
this.ui = new TUI(new ProcessTerminal());
this.chatContainer = new Container();
this.pendingMessagesContainer = new Container();
this.statusContainer = new Container();
this.editor = new CustomEditor(getEditorTheme());
this.editorContainer = new Container(); // Container to hold editor or selector
this.editorContainer.addChild(this.editor); // Start with editor
this.footer = new FooterComponent(agent.state);
this.footer.setAutoCompactEnabled(this.settingsManager.getCompactionEnabled());
// Define slash commands
const thinkingCommand: SlashCommand = {
name: "thinking",
description: "Select reasoning level (opens selector UI)",
};
const modelCommand: SlashCommand = {
name: "model",
description: "Select model (opens selector UI)",
};
const exportCommand: SlashCommand = {
name: "export",
description: "Export session to HTML file",
};
const copyCommand: SlashCommand = {
name: "copy",
description: "Copy last agent message to clipboard",
};
const sessionCommand: SlashCommand = {
name: "session",
description: "Show session info and stats",
};
const changelogCommand: SlashCommand = {
name: "changelog",
description: "Show changelog entries",
};
const branchCommand: SlashCommand = {
name: "branch",
description: "Create a new branch from a previous message",
};
const loginCommand: SlashCommand = {
name: "login",
description: "Login with OAuth provider",
};
const logoutCommand: SlashCommand = {
name: "logout",
description: "Logout from OAuth provider",
};
const queueCommand: SlashCommand = {
name: "queue",
description: "Select message queue mode (opens selector UI)",
};
const themeCommand: SlashCommand = {
name: "theme",
description: "Select color theme (opens selector UI)",
};
const clearCommand: SlashCommand = {
name: "clear",
description: "Clear context and start a fresh session",
};
const compactCommand: SlashCommand = {
name: "compact",
description: "Manually compact the session context",
};
const autocompactCommand: SlashCommand = {
name: "autocompact",
description: "Toggle automatic context compaction",
};
// Load hide thinking block setting
this.hideThinkingBlock = settingsManager.getHideThinkingBlock();
// Load file-based slash commands
this.fileCommands = loadSlashCommands();
// Convert file commands to SlashCommand format
const fileSlashCommands: SlashCommand[] = this.fileCommands.map((cmd) => ({
name: cmd.name,
description: cmd.description,
}));
// Setup autocomplete for file paths and slash commands
const autocompleteProvider = new CombinedAutocompleteProvider(
[
thinkingCommand,
modelCommand,
themeCommand,
exportCommand,
copyCommand,
sessionCommand,
changelogCommand,
branchCommand,
loginCommand,
logoutCommand,
queueCommand,
clearCommand,
compactCommand,
autocompactCommand,
...fileSlashCommands,
],
process.cwd(),
fdPath,
);
this.editor.setAutocompleteProvider(autocompleteProvider);
}
async init(): Promise<void> {
if (this.isInitialized) return;
// Add header with logo and instructions
const logo = theme.bold(theme.fg("accent", APP_NAME)) + theme.fg("dim", ` v${this.version}`);
const instructions =
theme.fg("dim", "esc") +
theme.fg("muted", " to interrupt") +
"\n" +
theme.fg("dim", "ctrl+c") +
theme.fg("muted", " to clear") +
"\n" +
theme.fg("dim", "ctrl+c twice") +
theme.fg("muted", " to exit") +
"\n" +
theme.fg("dim", "ctrl+k") +
theme.fg("muted", " to delete line") +
"\n" +
theme.fg("dim", "shift+tab") +
theme.fg("muted", " to cycle thinking") +
"\n" +
theme.fg("dim", "ctrl+p") +
theme.fg("muted", " to cycle models") +
"\n" +
theme.fg("dim", "ctrl+o") +
theme.fg("muted", " to expand tools") +
"\n" +
theme.fg("dim", "ctrl+t") +
theme.fg("muted", " to toggle thinking") +
"\n" +
theme.fg("dim", "/") +
theme.fg("muted", " for commands") +
"\n" +
theme.fg("dim", "drop files") +
theme.fg("muted", " to attach");
const header = new Text(logo + "\n" + instructions, 1, 0);
// Setup UI layout
this.ui.addChild(new Spacer(1));
this.ui.addChild(header);
this.ui.addChild(new Spacer(1));
// Add new version notification if available
if (this.newVersion) {
this.ui.addChild(new DynamicBorder((text) => theme.fg("warning", text)));
this.ui.addChild(
new Text(
theme.bold(theme.fg("warning", "Update Available")) +
"\n" +
theme.fg("muted", `New version ${this.newVersion} is available. Run: `) +
theme.fg("accent", "npm install -g @mariozechner/pi-coding-agent"),
1,
0,
),
);
this.ui.addChild(new DynamicBorder((text) => theme.fg("warning", text)));
}
// Add changelog if provided
if (this.changelogMarkdown) {
this.ui.addChild(new DynamicBorder());
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, getMarkdownTheme()));
this.ui.addChild(new Spacer(1));
this.ui.addChild(new DynamicBorder());
}
this.ui.addChild(this.chatContainer);
this.ui.addChild(this.pendingMessagesContainer);
this.ui.addChild(this.statusContainer);
this.ui.addChild(new Spacer(1));
this.ui.addChild(this.editorContainer); // Use container that can hold editor or selector
this.ui.addChild(this.footer);
this.ui.setFocus(this.editor);
// Set up custom key handlers on the editor
this.editor.onEscape = () => {
// Intercept Escape key when processing
if (this.loadingAnimation) {
// Get all queued messages
const queuedText = this.queuedMessages.join("\n\n");
// Get current editor text
const currentText = this.editor.getText();
// Combine: queued messages + current editor text
const combinedText = [queuedText, currentText].filter((t) => t.trim()).join("\n\n");
// Put back in editor
this.editor.setText(combinedText);
// Clear queued messages
this.queuedMessages = [];
this.updatePendingMessagesDisplay();
// Clear agent's queue too
this.agent.clearMessageQueue();
// Abort
this.agent.abort();
}
};
this.editor.onCtrlC = () => {
this.handleCtrlC();
};
this.editor.onShiftTab = () => {
this.cycleThinkingLevel();
};
this.editor.onCtrlP = () => {
this.cycleModel();
};
this.editor.onCtrlO = () => {
this.toggleToolOutputExpansion();
};
this.editor.onCtrlT = () => {
this.toggleThinkingBlockVisibility();
};
// Handle editor submission
this.editor.onSubmit = async (text: string) => {
text = text.trim();
if (!text) return;
// Check for /thinking command
if (text === "/thinking") {
// Show thinking level selector
this.showThinkingSelector();
this.editor.setText("");
return;
}
// Check for /model command
if (text === "/model") {
// Show model selector
this.showModelSelector();
this.editor.setText("");
return;
}
// Check for /export command
if (text.startsWith("/export")) {
this.handleExportCommand(text);
this.editor.setText("");
return;
}
// Check for /copy command
if (text === "/copy") {
this.handleCopyCommand();
this.editor.setText("");
return;
}
// Check for /session command
if (text === "/session") {
this.handleSessionCommand();
this.editor.setText("");
return;
}
// Check for /changelog command
if (text === "/changelog") {
this.handleChangelogCommand();
this.editor.setText("");
return;
}
// Check for /branch command
if (text === "/branch") {
this.showUserMessageSelector();
this.editor.setText("");
return;
}
// Check for /login command
if (text === "/login") {
this.showOAuthSelector("login");
this.editor.setText("");
return;
}
// Check for /logout command
if (text === "/logout") {
this.showOAuthSelector("logout");
this.editor.setText("");
return;
}
// Check for /queue command
if (text === "/queue") {
this.showQueueModeSelector();
this.editor.setText("");
return;
}
// Check for /theme command
if (text === "/theme") {
this.showThemeSelector();
this.editor.setText("");
return;
}
// Check for /clear command
if (text === "/clear") {
this.handleClearCommand();
this.editor.setText("");
return;
}
// Check for /compact command
if (text === "/compact" || text.startsWith("/compact ")) {
const customInstructions = text.startsWith("/compact ") ? text.slice(9).trim() : undefined;
this.handleCompactCommand(customInstructions);
this.editor.setText("");
return;
}
// Check for /autocompact command
if (text === "/autocompact") {
this.handleAutocompactCommand();
this.editor.setText("");
return;
}
// Check for /debug command
if (text === "/debug") {
this.handleDebugCommand();
this.editor.setText("");
return;
}
// Check for file-based slash commands
text = expandSlashCommand(text, this.fileCommands);
// Normal message submission - validate model and API key first
const currentModel = this.agent.state.model;
if (!currentModel) {
this.showError(
"No model selected.\n\n" +
"Set an API key (ANTHROPIC_API_KEY, OPENAI_API_KEY, etc.)\n" +
`or create ${getModelsPath()}\n\n` +
"Then use /model to select a model.",
);
return;
}
// Validate API key (async)
const apiKey = await getApiKeyForModel(currentModel);
if (!apiKey) {
this.showError(
`No API key found for ${currentModel.provider}.\n\n` +
`Set the appropriate environment variable or update ${getModelsPath()}`,
);
this.editor.setText(text);
return;
}
// Check if agent is currently streaming
if (this.agent.state.isStreaming) {
// Queue the message instead of submitting
this.queuedMessages.push(text);
// Queue in agent
await this.agent.queueMessage({
role: "user",
content: [{ type: "text", text }],
timestamp: Date.now(),
});
// Update pending messages display
this.updatePendingMessagesDisplay();
// Clear editor
this.editor.setText("");
this.ui.requestRender();
return;
}
// All good, proceed with submission
if (this.onInputCallback) {
this.onInputCallback(text);
}
};
// Start the UI
this.ui.start();
this.isInitialized = true;
// Subscribe to agent events for UI updates and session saving
this.subscribeToAgent();
// Set up theme file watcher for live reload
onThemeChange(() => {
this.ui.invalidate();
this.updateEditorBorderColor();
this.ui.requestRender();
});
// Set up git branch watcher
this.footer.watchBranch(() => {
this.ui.requestRender();
});
}
private subscribeToAgent(): void {
this.unsubscribe = this.agent.subscribe(async (event) => {
// Handle UI updates
await this.handleEvent(event, this.agent.state);
// Save messages to session
if (event.type === "message_end") {
this.sessionManager.saveMessage(event.message);
// Check if we should initialize session now (after first user+assistant exchange)
if (this.sessionManager.shouldInitializeSession(this.agent.state.messages)) {
this.sessionManager.startSession(this.agent.state);
}
// Check for auto-compaction after assistant messages
if (event.message.role === "assistant") {
await this.checkAutoCompaction();
}
}
});
}
private async checkAutoCompaction(): Promise<void> {
const settings = this.settingsManager.getCompactionSettings();
if (!settings.enabled) return;
// Get last non-aborted assistant message from agent state
const messages = this.agent.state.messages;
let lastAssistant: AssistantMessage | null = null;
for (let i = messages.length - 1; i >= 0; i--) {
const msg = messages[i];
if (msg.role === "assistant") {
const assistantMsg = msg as AssistantMessage;
if (assistantMsg.stopReason !== "aborted") {
lastAssistant = assistantMsg;
break;
}
}
}
if (!lastAssistant) return;
const contextTokens = calculateContextTokens(lastAssistant.usage);
const contextWindow = this.agent.state.model.contextWindow;
if (!shouldCompact(contextTokens, contextWindow, settings)) return;
// Trigger auto-compaction
await this.executeCompaction(undefined, true);
}
private async handleEvent(event: AgentEvent, state: AgentState): Promise<void> {
if (!this.isInitialized) {
await this.init();
}
// Update footer with current stats
this.footer.updateState(state);
switch (event.type) {
case "agent_start":
// Show loading animation
// Note: Don't disable submit - we handle queuing in onSubmit callback
// Stop old loader before clearing
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),
"Working... (esc to interrupt)",
);
this.statusContainer.addChild(this.loadingAnimation);
this.ui.requestRender();
break;
case "message_start":
if (event.message.role === "user") {
// Check if this is a queued message
const userMsg = event.message;
const textBlocks =
typeof userMsg.content === "string"
? [{ type: "text", text: userMsg.content }]
: userMsg.content.filter((c) => c.type === "text");
const messageText = textBlocks.map((c) => c.text).join("");
const queuedIndex = this.queuedMessages.indexOf(messageText);
if (queuedIndex !== -1) {
// Remove from queued messages
this.queuedMessages.splice(queuedIndex, 1);
this.updatePendingMessagesDisplay();
}
// Show user message immediately and clear editor
this.addMessageToChat(event.message);
this.editor.setText("");
this.ui.requestRender();
} else if (event.message.role === "assistant") {
// Create assistant component for streaming
this.streamingComponent = new AssistantMessageComponent(undefined, this.hideThinkingBlock);
this.chatContainer.addChild(this.streamingComponent);
this.streamingComponent.updateContent(event.message as AssistantMessage);
this.ui.requestRender();
}
break;
case "message_update":
// Update streaming component
if (this.streamingComponent && event.message.role === "assistant") {
const assistantMsg = event.message as AssistantMessage;
this.streamingComponent.updateContent(assistantMsg);
// Create tool execution components as soon as we see tool calls
for (const content of assistantMsg.content) {
if (content.type === "toolCall") {
// Only create if we haven't created it yet
if (!this.pendingTools.has(content.id)) {
this.chatContainer.addChild(new Text("", 0, 0));
const component = new ToolExecutionComponent(content.name, content.arguments);
this.chatContainer.addChild(component);
this.pendingTools.set(content.id, component);
} else {
// Update existing component with latest arguments as they stream
const component = this.pendingTools.get(content.id);
if (component) {
component.updateArgs(content.arguments);
}
}
}
}
this.ui.requestRender();
}
break;
case "message_end":
// Skip user messages (already shown in message_start)
if (event.message.role === "user") {
break;
}
if (this.streamingComponent && event.message.role === "assistant") {
const assistantMsg = event.message as AssistantMessage;
// Update streaming component with final message (includes stopReason)
this.streamingComponent.updateContent(assistantMsg);
// If message was aborted or errored, mark all pending tool components as failed
if (assistantMsg.stopReason === "aborted" || assistantMsg.stopReason === "error") {
const errorMessage =
assistantMsg.stopReason === "aborted" ? "Operation aborted" : assistantMsg.errorMessage || "Error";
for (const [toolCallId, component] of this.pendingTools.entries()) {
component.updateResult({
content: [{ type: "text", text: errorMessage }],
isError: true,
});
}
this.pendingTools.clear();
}
// Keep the streaming component - it's now the final assistant message
this.streamingComponent = null;
// Invalidate footer cache to refresh git branch (in case agent executed git commands)
this.footer.invalidate();
}
this.ui.requestRender();
break;
case "tool_execution_start": {
// Component should already exist from message_update, but create if missing
if (!this.pendingTools.has(event.toolCallId)) {
const component = new ToolExecutionComponent(event.toolName, event.args);
this.chatContainer.addChild(component);
this.pendingTools.set(event.toolCallId, component);
this.ui.requestRender();
}
break;
}
case "tool_execution_end": {
// Update the existing tool component with the result
const component = this.pendingTools.get(event.toolCallId);
if (component) {
// Convert result to the format expected by updateResult
const resultData =
typeof event.result === "string"
? {
content: [{ type: "text" as const, text: event.result }],
details: undefined,
isError: event.isError,
}
: {
content: event.result.content,
details: event.result.details,
isError: event.isError,
};
component.updateResult(resultData);
this.pendingTools.delete(event.toolCallId);
this.ui.requestRender();
}
break;
}
case "agent_end":
// Stop loading animation
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = null;
this.statusContainer.clear();
}
if (this.streamingComponent) {
this.chatContainer.removeChild(this.streamingComponent);
this.streamingComponent = null;
}
this.pendingTools.clear();
// Note: Don't need to re-enable submit - we never disable it
this.ui.requestRender();
break;
}
}
private addMessageToChat(message: Message): void {
if (message.role === "user") {
const userMsg = message;
// Extract text content from content blocks
const textBlocks =
typeof userMsg.content === "string"
? [{ type: "text", text: userMsg.content }]
: userMsg.content.filter((c) => c.type === "text");
const textContent = textBlocks.map((c) => c.text).join("");
if (textContent) {
const userComponent = new UserMessageComponent(textContent, this.isFirstUserMessage);
this.chatContainer.addChild(userComponent);
this.isFirstUserMessage = false;
}
} else if (message.role === "assistant") {
const assistantMsg = message;
// Add assistant message component
const assistantComponent = new AssistantMessageComponent(assistantMsg, this.hideThinkingBlock);
this.chatContainer.addChild(assistantComponent);
}
// Note: tool calls and results are now handled via tool_execution_start/end events
}
renderInitialMessages(state: AgentState): void {
// Render all existing messages (for --continue mode)
// Reset first user message flag for initial render
this.isFirstUserMessage = true;
// Update footer with loaded state
this.footer.updateState(state);
// Update editor border color based on current thinking level
this.updateEditorBorderColor();
// Get compaction info if any
const compactionEntry = getLatestCompactionEntry(this.sessionManager.loadEntries());
// Render messages
for (let i = 0; i < state.messages.length; i++) {
const message = state.messages[i];
if (message.role === "user") {
const userMsg = message;
const textBlocks =
typeof userMsg.content === "string"
? [{ type: "text", text: userMsg.content }]
: userMsg.content.filter((c) => c.type === "text");
const textContent = textBlocks.map((c) => c.text).join("");
if (textContent) {
// Check if this is a compaction summary message
if (textContent.startsWith(SUMMARY_PREFIX) && compactionEntry) {
const summary = textContent.slice(SUMMARY_PREFIX.length, -SUMMARY_SUFFIX.length);
const component = new CompactionComponent(compactionEntry.tokensBefore, summary);
component.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(component);
} else {
const userComponent = new UserMessageComponent(textContent, this.isFirstUserMessage);
this.chatContainer.addChild(userComponent);
this.isFirstUserMessage = false;
}
}
} else if (message.role === "assistant") {
const assistantMsg = message as AssistantMessage;
const assistantComponent = new AssistantMessageComponent(assistantMsg, this.hideThinkingBlock);
this.chatContainer.addChild(assistantComponent);
// Create tool execution components for any tool calls
for (const content of assistantMsg.content) {
if (content.type === "toolCall") {
const component = new ToolExecutionComponent(content.name, content.arguments);
this.chatContainer.addChild(component);
// If message was aborted/errored, immediately mark tool as failed
if (assistantMsg.stopReason === "aborted" || assistantMsg.stopReason === "error") {
const errorMessage =
assistantMsg.stopReason === "aborted"
? "Operation aborted"
: assistantMsg.errorMessage || "Error";
component.updateResult({
content: [{ type: "text", text: errorMessage }],
isError: true,
});
} else {
// Store in map so we can update with results later
this.pendingTools.set(content.id, component);
}
}
}
} else if (message.role === "toolResult") {
// Update existing tool execution component with results ;
const component = this.pendingTools.get(message.toolCallId);
if (component) {
component.updateResult({
content: message.content,
details: message.details,
isError: message.isError,
});
// Remove from pending map since it's complete
this.pendingTools.delete(message.toolCallId);
}
}
}
// Clear pending tools after rendering initial messages
this.pendingTools.clear();
this.ui.requestRender();
}
async getUserInput(): Promise<string> {
return new Promise((resolve) => {
this.onInputCallback = (text: string) => {
this.onInputCallback = undefined;
resolve(text);
};
});
}
private rebuildChatFromMessages(): void {
// Reset state and re-render messages from agent state
this.isFirstUserMessage = true;
this.pendingTools.clear();
// Get compaction info if any
const compactionEntry = getLatestCompactionEntry(this.sessionManager.loadEntries());
for (const message of this.agent.state.messages) {
if (message.role === "user") {
const userMsg = message;
const textBlocks =
typeof userMsg.content === "string"
? [{ type: "text", text: userMsg.content }]
: userMsg.content.filter((c) => c.type === "text");
const textContent = textBlocks.map((c) => c.text).join("");
if (textContent) {
// Check if this is a compaction summary message
if (textContent.startsWith(SUMMARY_PREFIX) && compactionEntry) {
const summary = textContent.slice(SUMMARY_PREFIX.length, -SUMMARY_SUFFIX.length);
const component = new CompactionComponent(compactionEntry.tokensBefore, summary);
component.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(component);
} else {
const userComponent = new UserMessageComponent(textContent, this.isFirstUserMessage);
this.chatContainer.addChild(userComponent);
this.isFirstUserMessage = false;
}
}
} else if (message.role === "assistant") {
const assistantMsg = message;
const assistantComponent = new AssistantMessageComponent(assistantMsg, this.hideThinkingBlock);
this.chatContainer.addChild(assistantComponent);
for (const content of assistantMsg.content) {
if (content.type === "toolCall") {
const component = new ToolExecutionComponent(content.name, content.arguments);
this.chatContainer.addChild(component);
this.pendingTools.set(content.id, component);
}
}
} else if (message.role === "toolResult") {
const component = this.pendingTools.get(message.toolCallId);
if (component) {
component.updateResult({
content: message.content,
details: message.details,
isError: message.isError,
});
this.pendingTools.delete(message.toolCallId);
}
}
}
this.pendingTools.clear();
this.ui.requestRender();
}
private handleCtrlC(): void {
// Handle Ctrl+C double-press logic
const now = Date.now();
const timeSinceLastCtrlC = now - this.lastSigintTime;
if (timeSinceLastCtrlC < 500) {
// Second Ctrl+C within 500ms - exit
this.stop();
process.exit(0);
} else {
// First Ctrl+C - clear the editor
this.clearEditor();
this.lastSigintTime = now;
}
}
private updateEditorBorderColor(): void {
const level = this.agent.state.thinkingLevel || "off";
this.editor.borderColor = theme.getThinkingBorderColor(level);
this.ui.requestRender();
}
private cycleThinkingLevel(): void {
// Only cycle if model supports thinking
if (!this.agent.state.model?.reasoning) {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", "Current model does not support thinking"), 1, 0));
this.ui.requestRender();
return;
}
const levels: ThinkingLevel[] = ["off", "minimal", "low", "medium", "high"];
const currentLevel = this.agent.state.thinkingLevel || "off";
const currentIndex = levels.indexOf(currentLevel);
const nextIndex = (currentIndex + 1) % levels.length;
const nextLevel = levels[nextIndex];
// Apply the new thinking level
this.agent.setThinkingLevel(nextLevel);
// Save thinking level change to session and settings
this.sessionManager.saveThinkingLevelChange(nextLevel);
this.settingsManager.setDefaultThinkingLevel(nextLevel);
// Update border color
this.updateEditorBorderColor();
// Show brief notification
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", `Thinking level: ${nextLevel}`), 1, 0));
this.ui.requestRender();
}
private async cycleModel(): Promise<void> {
// Use scoped models if available, otherwise all available models
if (this.scopedModels.length > 0) {
// Use scoped models with thinking levels
if (this.scopedModels.length === 1) {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", "Only one model in scope"), 1, 0));
this.ui.requestRender();
return;
}
const currentModel = this.agent.state.model;
let currentIndex = this.scopedModels.findIndex(
(sm) => sm.model.id === currentModel?.id && sm.model.provider === currentModel?.provider,
);
// If current model not in scope, start from first
if (currentIndex === -1) {
currentIndex = 0;
}
const nextIndex = (currentIndex + 1) % this.scopedModels.length;
const nextEntry = this.scopedModels[nextIndex];
const nextModel = nextEntry.model;
const nextThinking = nextEntry.thinkingLevel;
// Validate API key
const apiKey = await getApiKeyForModel(nextModel);
if (!apiKey) {
this.showError(`No API key for ${nextModel.provider}/${nextModel.id}`);
return;
}
// Switch model
this.agent.setModel(nextModel);
// Save model change to session and settings
this.sessionManager.saveModelChange(nextModel.provider, nextModel.id);
this.settingsManager.setDefaultModelAndProvider(nextModel.provider, nextModel.id);
// Apply thinking level (silently use "off" if model doesn't support thinking)
const effectiveThinking = nextModel.reasoning ? nextThinking : "off";
this.agent.setThinkingLevel(effectiveThinking);
this.sessionManager.saveThinkingLevelChange(effectiveThinking);
this.settingsManager.setDefaultThinkingLevel(effectiveThinking);
this.updateEditorBorderColor();
// Show notification
this.chatContainer.addChild(new Spacer(1));
const thinkingStr = nextModel.reasoning && nextThinking !== "off" ? ` (thinking: ${nextThinking})` : "";
this.chatContainer.addChild(
new Text(theme.fg("dim", `Switched to ${nextModel.name || nextModel.id}${thinkingStr}`), 1, 0),
);
this.ui.requestRender();
} else {
// Fallback to all available models (no thinking level changes)
const { models: availableModels, error } = await getAvailableModels();
if (error) {
this.showError(`Failed to load models: ${error}`);
return;
}
if (availableModels.length === 0) {
this.showError("No models available to cycle");
return;
}
if (availableModels.length === 1) {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", "Only one model available"), 1, 0));
this.ui.requestRender();
return;
}
const currentModel = this.agent.state.model;
let currentIndex = availableModels.findIndex(
(m) => m.id === currentModel?.id && m.provider === currentModel?.provider,
);
// If current model not in scope, start from first
if (currentIndex === -1) {
currentIndex = 0;
}
const nextIndex = (currentIndex + 1) % availableModels.length;
const nextModel = availableModels[nextIndex];
// Validate API key
const apiKey = await getApiKeyForModel(nextModel);
if (!apiKey) {
this.showError(`No API key for ${nextModel.provider}/${nextModel.id}`);
return;
}
// Switch model
this.agent.setModel(nextModel);
// Save model change to session and settings
this.sessionManager.saveModelChange(nextModel.provider, nextModel.id);
this.settingsManager.setDefaultModelAndProvider(nextModel.provider, nextModel.id);
// Show notification
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", `Switched to ${nextModel.name || nextModel.id}`), 1, 0));
this.ui.requestRender();
}
}
private toggleToolOutputExpansion(): void {
this.toolOutputExpanded = !this.toolOutputExpanded;
// Update all tool execution and compaction components
for (const child of this.chatContainer.children) {
if (child instanceof ToolExecutionComponent) {
child.setExpanded(this.toolOutputExpanded);
} else if (child instanceof CompactionComponent) {
child.setExpanded(this.toolOutputExpanded);
}
}
this.ui.requestRender();
}
private toggleThinkingBlockVisibility(): void {
this.hideThinkingBlock = !this.hideThinkingBlock;
this.settingsManager.setHideThinkingBlock(this.hideThinkingBlock);
// Update all assistant message components and rebuild their content
for (const child of this.chatContainer.children) {
if (child instanceof AssistantMessageComponent) {
child.setHideThinkingBlock(this.hideThinkingBlock);
}
}
// Rebuild chat to apply visibility change
this.chatContainer.clear();
this.rebuildChatFromMessages();
// Show brief notification
const status = this.hideThinkingBlock ? "hidden" : "visible";
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", `Thinking blocks: ${status}`), 1, 0));
this.ui.requestRender();
}
clearEditor(): void {
this.editor.setText("");
this.ui.requestRender();
}
showError(errorMessage: string): void {
// Show error message in the chat
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 {
// Show warning message in the chat
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("warning", `Warning: ${warningMessage}`), 1, 0));
this.ui.requestRender();
}
private showSuccess(message: string, detail?: string): void {
this.chatContainer.addChild(new Spacer(1));
const text = detail
? `${theme.fg("success", message)}\n${theme.fg("muted", detail)}`
: theme.fg("success", message);
this.chatContainer.addChild(new Text(text, 1, 1));
this.ui.requestRender();
}
private showThinkingSelector(): void {
// Create thinking selector with current level
this.thinkingSelector = new ThinkingSelectorComponent(
this.agent.state.thinkingLevel,
(level) => {
// Apply the selected thinking level
this.agent.setThinkingLevel(level);
// Save thinking level change to session and settings
this.sessionManager.saveThinkingLevelChange(level);
this.settingsManager.setDefaultThinkingLevel(level);
// Update border color
this.updateEditorBorderColor();
// Show confirmation message with proper spacing
this.chatContainer.addChild(new Spacer(1));
const confirmText = new Text(theme.fg("dim", `Thinking level: ${level}`), 1, 0);
this.chatContainer.addChild(confirmText);
// Hide selector and show editor again
this.hideThinkingSelector();
this.ui.requestRender();
},
() => {
// Just hide the selector
this.hideThinkingSelector();
this.ui.requestRender();
},
);
// Replace editor with selector
this.editorContainer.clear();
this.editorContainer.addChild(this.thinkingSelector);
this.ui.setFocus(this.thinkingSelector.getSelectList());
this.ui.requestRender();
}
private hideThinkingSelector(): void {
// Replace selector with editor in the container
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.thinkingSelector = null;
this.ui.setFocus(this.editor);
}
private showQueueModeSelector(): void {
// Create queue mode selector with current mode
this.queueModeSelector = new QueueModeSelectorComponent(
this.agent.getQueueMode(),
(mode) => {
// Apply the selected queue mode
this.agent.setQueueMode(mode);
// Save queue mode to settings
this.settingsManager.setQueueMode(mode);
// Show confirmation message with proper spacing
this.chatContainer.addChild(new Spacer(1));
const confirmText = new Text(theme.fg("dim", `Queue mode: ${mode}`), 1, 0);
this.chatContainer.addChild(confirmText);
// Hide selector and show editor again
this.hideQueueModeSelector();
this.ui.requestRender();
},
() => {
// Just hide the selector
this.hideQueueModeSelector();
this.ui.requestRender();
},
);
// Replace editor with selector
this.editorContainer.clear();
this.editorContainer.addChild(this.queueModeSelector);
this.ui.setFocus(this.queueModeSelector.getSelectList());
this.ui.requestRender();
}
private hideQueueModeSelector(): void {
// Replace selector with editor in the container
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.queueModeSelector = null;
this.ui.setFocus(this.editor);
}
private showThemeSelector(): void {
// Get current theme from settings
const currentTheme = this.settingsManager.getTheme() || "dark";
// Create theme selector
this.themeSelector = new ThemeSelectorComponent(
currentTheme,
(themeName) => {
// Apply the selected theme
const result = setTheme(themeName);
// Save theme to settings
this.settingsManager.setTheme(themeName);
// Invalidate all components to clear cached rendering
this.ui.invalidate();
// Show confirmation or error message
this.chatContainer.addChild(new Spacer(1));
if (result.success) {
const confirmText = new Text(theme.fg("dim", `Theme: ${themeName}`), 1, 0);
this.chatContainer.addChild(confirmText);
} else {
const errorText = new Text(
theme.fg("error", `Failed to load theme "${themeName}": ${result.error}\nFell back to dark theme.`),
1,
0,
);
this.chatContainer.addChild(errorText);
}
// Hide selector and show editor again
this.hideThemeSelector();
this.ui.requestRender();
},
() => {
// Just hide the selector
this.hideThemeSelector();
this.ui.requestRender();
},
(themeName) => {
// Preview theme on selection change
const result = setTheme(themeName);
if (result.success) {
this.ui.invalidate();
this.ui.requestRender();
}
// If failed, theme already fell back to dark, just don't re-render
},
);
// Replace editor with selector
this.editorContainer.clear();
this.editorContainer.addChild(this.themeSelector);
this.ui.setFocus(this.themeSelector.getSelectList());
this.ui.requestRender();
}
private hideThemeSelector(): void {
// Replace selector with editor in the container
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.themeSelector = null;
this.ui.setFocus(this.editor);
}
private showModelSelector(): void {
// Create model selector with current model
this.modelSelector = new ModelSelectorComponent(
this.ui,
this.agent.state.model,
this.settingsManager,
(model) => {
// Apply the selected model
this.agent.setModel(model);
// Save model change to session
this.sessionManager.saveModelChange(model.provider, model.id);
// Show confirmation message with proper spacing
this.chatContainer.addChild(new Spacer(1));
const confirmText = new Text(theme.fg("dim", `Model: ${model.id}`), 1, 0);
this.chatContainer.addChild(confirmText);
// Hide selector and show editor again
this.hideModelSelector();
this.ui.requestRender();
},
() => {
// Just hide the selector
this.hideModelSelector();
this.ui.requestRender();
},
);
// Replace editor with selector
this.editorContainer.clear();
this.editorContainer.addChild(this.modelSelector);
this.ui.setFocus(this.modelSelector);
this.ui.requestRender();
}
private hideModelSelector(): void {
// Replace selector with editor in the container
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.modelSelector = null;
this.ui.setFocus(this.editor);
}
private showUserMessageSelector(): void {
// Read from session file directly to see ALL historical user messages
// (including those before compaction events)
const entries = this.sessionManager.loadEntries();
const userMessages: Array<{ index: number; text: string }> = [];
const getUserMessageText = (content: string | Array<{ type: string; text?: string }>): string => {
if (typeof content === "string") return content;
if (Array.isArray(content)) {
return content
.filter((c): c is { type: "text"; text: string } => c.type === "text")
.map((c) => c.text)
.join("");
}
return "";
};
for (let i = 0; i < entries.length; i++) {
const entry = entries[i];
if (entry.type !== "message") continue;
if (entry.message.role !== "user") continue;
const textContent = getUserMessageText(entry.message.content);
if (textContent) {
userMessages.push({ index: i, text: textContent });
}
}
// Don't show selector if there are no messages or only one message
if (userMessages.length <= 1) {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", "No messages to branch from"), 1, 0));
this.ui.requestRender();
return;
}
// Create user message selector
this.userMessageSelector = new UserMessageSelectorComponent(
userMessages,
(entryIndex) => {
// Get the selected user message text to put in the editor
const selectedEntry = entries[entryIndex];
if (selectedEntry.type !== "message") return;
if (selectedEntry.message.role !== "user") return;
const selectedText = getUserMessageText(selectedEntry.message.content);
// Create a branched session by copying entries up to (but not including) the selected entry
const newSessionFile = this.sessionManager.createBranchedSessionFromEntries(entries, entryIndex);
// Set the new session file as active
this.sessionManager.setSessionFile(newSessionFile);
// Reload the session
const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
this.agent.replaceMessages(loaded.messages);
// Clear and re-render the chat
this.chatContainer.clear();
this.isFirstUserMessage = true;
this.renderInitialMessages(this.agent.state);
// Show confirmation message
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", "Branched to new session"), 1, 0));
// Put the selected message in the editor
this.editor.setText(selectedText);
// Hide selector and show editor again
this.hideUserMessageSelector();
this.ui.requestRender();
},
() => {
// Just hide the selector
this.hideUserMessageSelector();
this.ui.requestRender();
},
);
// Replace editor with selector
this.editorContainer.clear();
this.editorContainer.addChild(this.userMessageSelector);
this.ui.setFocus(this.userMessageSelector.getMessageList());
this.ui.requestRender();
}
private hideUserMessageSelector(): void {
// Replace selector with editor in the container
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.userMessageSelector = null;
this.ui.setFocus(this.editor);
}
private async showOAuthSelector(mode: "login" | "logout"): Promise<void> {
// For logout mode, filter to only show logged-in providers
let providersToShow: string[] = [];
if (mode === "logout") {
const loggedInProviders = listOAuthProviders();
if (loggedInProviders.length === 0) {
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(
new Text(theme.fg("dim", "No OAuth providers logged in. Use /login first."), 1, 0),
);
this.ui.requestRender();
return;
}
providersToShow = loggedInProviders;
}
// Create OAuth selector
this.oauthSelector = new OAuthSelectorComponent(
mode,
async (providerId: string) => {
// Hide selector first
this.hideOAuthSelector();
if (mode === "login") {
// Handle login
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", `Logging in to ${providerId}...`), 1, 0));
this.ui.requestRender();
try {
await login(
providerId as SupportedOAuthProvider,
(url: string) => {
// Show auth URL to user
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("accent", "Opening browser to:"), 1, 0));
this.chatContainer.addChild(new Text(theme.fg("accent", url), 1, 0));
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(
new Text(theme.fg("warning", "Paste the authorization code below:"), 1, 0),
);
this.ui.requestRender();
// Open URL in browser
const openCmd =
process.platform === "darwin" ? "open" : process.platform === "win32" ? "start" : "xdg-open";
exec(`${openCmd} "${url}"`);
},
async () => {
// Prompt for code with a simple Input
return new Promise<string>((resolve) => {
const codeInput = new Input();
codeInput.onSubmit = () => {
const code = codeInput.getValue();
// Restore editor
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.ui.setFocus(this.editor);
resolve(code);
};
this.editorContainer.clear();
this.editorContainer.addChild(codeInput);
this.ui.setFocus(codeInput);
this.ui.requestRender();
});
},
);
// Success - invalidate OAuth cache so footer updates
invalidateOAuthCache();
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(
new Text(theme.fg("success", `✓ Successfully logged in to ${providerId}`), 1, 0),
);
this.chatContainer.addChild(new Text(theme.fg("dim", `Tokens saved to ${getOAuthPath()}`), 1, 0));
this.ui.requestRender();
} catch (error: any) {
this.showError(`Login failed: ${error.message}`);
}
} else {
// Handle logout
try {
await logout(providerId as SupportedOAuthProvider);
// Invalidate OAuth cache so footer updates
invalidateOAuthCache();
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(
new Text(theme.fg("success", `✓ Successfully logged out of ${providerId}`), 1, 0),
);
this.chatContainer.addChild(
new Text(theme.fg("dim", `Credentials removed from ${getOAuthPath()}`), 1, 0),
);
this.ui.requestRender();
} catch (error: any) {
this.showError(`Logout failed: ${error.message}`);
}
}
},
() => {
// Cancel - just hide the selector
this.hideOAuthSelector();
this.ui.requestRender();
},
);
// Replace editor with selector
this.editorContainer.clear();
this.editorContainer.addChild(this.oauthSelector);
this.ui.setFocus(this.oauthSelector);
this.ui.requestRender();
}
private hideOAuthSelector(): void {
// Replace selector with editor in the container
this.editorContainer.clear();
this.editorContainer.addChild(this.editor);
this.oauthSelector = null;
this.ui.setFocus(this.editor);
}
private handleExportCommand(text: string): void {
// Parse optional filename from command: /export [filename]
const parts = text.split(/\s+/);
const outputPath = parts.length > 1 ? parts[1] : undefined;
try {
// Export session to HTML
const filePath = exportSessionToHtml(this.sessionManager, this.agent.state, outputPath);
// Show success message in chat - matching thinking level style
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", `Session exported to: ${filePath}`), 1, 0));
this.ui.requestRender();
} catch (error: any) {
// Show error message in chat
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(
new Text(theme.fg("error", `Failed to export session: ${error.message || "Unknown error"}`), 1, 0),
);
this.ui.requestRender();
}
}
private handleCopyCommand(): void {
// Find the last assistant message
const lastAssistantMessage = this.agent.state.messages
.slice()
.reverse()
.find((m) => m.role === "assistant");
if (!lastAssistantMessage) {
this.showError("No agent messages to copy yet.");
return;
}
// Extract raw text content from all text blocks
let textContent = "";
for (const content of lastAssistantMessage.content) {
if (content.type === "text") {
textContent += content.text;
}
}
if (!textContent.trim()) {
this.showError("Last agent message contains no text content.");
return;
}
// Copy to clipboard using cross-platform compatible method
try {
copyToClipboard(textContent);
} catch (error) {
this.showError(error instanceof Error ? error.message : String(error));
return;
}
// Show confirmation message
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", "Copied last agent message to clipboard"), 1, 0));
this.ui.requestRender();
}
private handleSessionCommand(): void {
// Get session info
const sessionFile = this.sessionManager.getSessionFile();
const state = this.agent.state;
// Count messages
const userMessages = state.messages.filter((m) => m.role === "user").length;
const assistantMessages = state.messages.filter((m) => m.role === "assistant").length;
const toolResults = state.messages.filter((m) => m.role === "toolResult").length;
const totalMessages = state.messages.length;
// Count tool calls from assistant messages
let toolCalls = 0;
for (const message of state.messages) {
if (message.role === "assistant") {
const assistantMsg = message as AssistantMessage;
toolCalls += assistantMsg.content.filter((c) => c.type === "toolCall").length;
}
}
// Calculate cumulative usage from all assistant messages (same as footer)
let totalInput = 0;
let totalOutput = 0;
let totalCacheRead = 0;
let totalCacheWrite = 0;
let totalCost = 0;
for (const message of state.messages) {
if (message.role === "assistant") {
const assistantMsg = message as AssistantMessage;
totalInput += assistantMsg.usage.input;
totalOutput += assistantMsg.usage.output;
totalCacheRead += assistantMsg.usage.cacheRead;
totalCacheWrite += assistantMsg.usage.cacheWrite;
totalCost += assistantMsg.usage.cost.total;
}
}
const totalTokens = totalInput + totalOutput + totalCacheRead + totalCacheWrite;
// Build info text
let info = `${theme.bold("Session Info")}\n\n`;
info += `${theme.fg("dim", "File:")} ${sessionFile}\n`;
info += `${theme.fg("dim", "ID:")} ${this.sessionManager.getSessionId()}\n\n`;
info += `${theme.bold("Messages")}\n`;
info += `${theme.fg("dim", "User:")} ${userMessages}\n`;
info += `${theme.fg("dim", "Assistant:")} ${assistantMessages}\n`;
info += `${theme.fg("dim", "Tool Calls:")} ${toolCalls}\n`;
info += `${theme.fg("dim", "Tool Results:")} ${toolResults}\n`;
info += `${theme.fg("dim", "Total:")} ${totalMessages}\n\n`;
info += `${theme.bold("Tokens")}\n`;
info += `${theme.fg("dim", "Input:")} ${totalInput.toLocaleString()}\n`;
info += `${theme.fg("dim", "Output:")} ${totalOutput.toLocaleString()}\n`;
if (totalCacheRead > 0) {
info += `${theme.fg("dim", "Cache Read:")} ${totalCacheRead.toLocaleString()}\n`;
}
if (totalCacheWrite > 0) {
info += `${theme.fg("dim", "Cache Write:")} ${totalCacheWrite.toLocaleString()}\n`;
}
info += `${theme.fg("dim", "Total:")} ${totalTokens.toLocaleString()}\n`;
if (totalCost > 0) {
info += `\n${theme.bold("Cost")}\n`;
info += `${theme.fg("dim", "Total:")} ${totalCost.toFixed(4)}`;
}
// Show info in chat
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);
// Show all entries in reverse order (oldest first, newest last)
const changelogMarkdown =
allEntries.length > 0
? allEntries
.reverse()
.map((e) => e.content)
.join("\n\n")
: "No changelog entries found.";
// Display in chat
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new DynamicBorder());
this.ui.addChild(new Text(theme.bold(theme.fg("accent", "What's New")), 1, 0));
this.ui.addChild(new Spacer(1));
this.chatContainer.addChild(new Markdown(changelogMarkdown, 1, 1, getMarkdownTheme()));
this.chatContainer.addChild(new DynamicBorder());
this.ui.requestRender();
}
private async handleClearCommand(): Promise<void> {
// Unsubscribe first to prevent processing abort events
this.unsubscribe?.();
// Abort and wait for completion
this.agent.abort();
await this.agent.waitForIdle();
// Stop loading animation
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = null;
}
this.statusContainer.clear();
// Reset agent and session
this.agent.reset();
this.sessionManager.reset();
// Resubscribe to agent
this.subscribeToAgent();
// Clear UI state
this.chatContainer.clear();
this.pendingMessagesContainer.clear();
this.queuedMessages = [];
this.streamingComponent = null;
this.pendingTools.clear();
this.isFirstUserMessage = true;
// Show confirmation
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(
new Text(theme.fg("accent", "✓ Context cleared") + "\n" + theme.fg("muted", "Started fresh session"), 1, 1),
);
this.ui.requestRender();
}
private handleDebugCommand(): void {
// Force a render and capture all lines with their widths
const width = this.ui.terminal.columns;
const allLines = this.ui.render(width);
const debugLogPath = getDebugLogPath();
const debugData = [
`Debug output at ${new Date().toISOString()}`,
`Terminal width: ${width}`,
`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}`;
}),
"",
].join("\n");
fs.mkdirSync(path.dirname(debugLogPath), { recursive: true });
fs.writeFileSync(debugLogPath, debugData);
// Show confirmation
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 compactionAbortController: AbortController | null = null;
/**
* Shared logic to execute context compaction.
* Handles aborting agent, showing loader, performing compaction, updating session/UI.
*/
private async executeCompaction(customInstructions?: string, isAuto = false): Promise<void> {
// Unsubscribe first to prevent processing events during compaction
this.unsubscribe?.();
// Abort and wait for completion
this.agent.abort();
await this.agent.waitForIdle();
// Stop loading animation
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = null;
}
this.statusContainer.clear();
// Create abort controller for compaction
this.compactionAbortController = new AbortController();
// Set up escape handler during compaction
const originalOnEscape = this.editor.onEscape;
this.editor.onEscape = () => {
if (this.compactionAbortController) {
this.compactionAbortController.abort();
}
};
// Show compacting status with loader
this.chatContainer.addChild(new Spacer(1));
const label = isAuto ? "Auto-compacting context... (esc to cancel)" : "Compacting context... (esc to cancel)";
const compactingLoader = new Loader(
this.ui,
(spinner) => theme.fg("accent", spinner),
(text) => theme.fg("muted", text),
label,
);
this.statusContainer.addChild(compactingLoader);
this.ui.requestRender();
try {
// Get API key for current model
const apiKey = await getApiKeyForModel(this.agent.state.model);
if (!apiKey) {
throw new Error(`No API key for ${this.agent.state.model.provider}`);
}
// Perform compaction with abort signal
const entries = this.sessionManager.loadEntries();
const settings = this.settingsManager.getCompactionSettings();
const compactionEntry = await compact(
entries,
this.agent.state.model,
settings,
apiKey,
this.compactionAbortController.signal,
customInstructions,
);
// Check if aborted after compact returned
if (this.compactionAbortController.signal.aborted) {
throw new Error("Compaction cancelled");
}
// Save compaction to session
this.sessionManager.saveCompaction(compactionEntry);
// Reload session
const loaded = loadSessionFromEntries(this.sessionManager.loadEntries());
this.agent.replaceMessages(loaded.messages);
// Rebuild UI
this.chatContainer.clear();
this.rebuildChatFromMessages();
// Add compaction component at current position so user can see/expand the summary
const compactionComponent = new CompactionComponent(compactionEntry.tokensBefore, compactionEntry.summary);
compactionComponent.setExpanded(this.toolOutputExpanded);
this.chatContainer.addChild(compactionComponent);
// Update footer with new state (fixes context % display)
this.footer.updateState(this.agent.state);
// Show success message
const successTitle = isAuto ? "✓ Context auto-compacted" : "✓ Context compacted";
this.showSuccess(successTitle, `Reduced from ${compactionEntry.tokensBefore.toLocaleString()} tokens`);
} 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 {
// Clean up
compactingLoader.stop();
this.statusContainer.clear();
this.compactionAbortController = null;
this.editor.onEscape = originalOnEscape;
}
// Resubscribe to agent
this.subscribeToAgent();
}
private async handleCompactCommand(customInstructions?: string): Promise<void> {
// Check if there are any messages to compact
const entries = this.sessionManager.loadEntries();
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 handleAutocompactCommand(): void {
const currentEnabled = this.settingsManager.getCompactionEnabled();
const newState = !currentEnabled;
this.settingsManager.setCompactionEnabled(newState);
this.footer.setAutoCompactEnabled(newState);
// Show brief notification (same style as thinking level toggle)
this.chatContainer.addChild(new Spacer(1));
this.chatContainer.addChild(new Text(theme.fg("dim", `Auto-compaction: ${newState ? "on" : "off"}`), 1, 0));
this.ui.requestRender();
}
private updatePendingMessagesDisplay(): void {
this.pendingMessagesContainer.clear();
if (this.queuedMessages.length > 0) {
this.pendingMessagesContainer.addChild(new Spacer(1));
for (const message of this.queuedMessages) {
const queuedText = theme.fg("dim", "Queued: " + message);
this.pendingMessagesContainer.addChild(new TruncatedText(queuedText, 1, 0));
}
}
}
stop(): void {
if (this.loadingAnimation) {
this.loadingAnimation.stop();
this.loadingAnimation = null;
}
this.footer.dispose();
if (this.isInitialized) {
this.ui.stop();
this.isInitialized = false;
}
}
}