co-mono/packages/coding-agent/src/export-html.ts
Mario Zechner bd0d0676d4 Add bash mode for executing shell commands
- Add ! prefix in TUI editor to execute shell commands directly
- Output streams in real-time and is added to LLM context
- Supports multiline commands, cancellation (Escape), truncation
- Preview mode shows last 20 lines, Ctrl+O expands full output
- Commands persist in session history as bashExecution messages
- Add bash command to RPC mode via {type:'bash',command:'...'}
- Add RPC tests for bash command execution and context inclusion
- Update docs: rpc.md, session.md, README.md, CHANGELOG.md

Closes #112

Co-authored-by: Markus Ylisiurunen <markus.ylisiurunen@gmail.com>
2025-12-08 22:40:32 +01:00

842 lines
33 KiB
TypeScript

import type { AgentState } from "@mariozechner/pi-agent-core";
import type { AssistantMessage, Message, ToolResultMessage, UserMessage } from "@mariozechner/pi-ai";
import { existsSync, readFileSync, writeFileSync } from "fs";
import { homedir } from "os";
import { basename } from "path";
import { APP_NAME, VERSION } from "./config.js";
import { type BashExecutionMessage, isBashExecutionMessage } from "./messages.js";
import type { SessionManager } from "./session-manager.js";
// ============================================================================
// Types
// ============================================================================
interface MessageEvent {
type: "message";
message: Message;
timestamp?: number;
}
interface ModelChangeEvent {
type: "model_change";
provider: string;
modelId: string;
timestamp?: number;
}
interface CompactionEvent {
type: "compaction";
timestamp: string;
summary: string;
tokensBefore: number;
}
type SessionEvent = MessageEvent | ModelChangeEvent | CompactionEvent;
interface ParsedSessionData {
sessionId: string;
timestamp: string;
systemPrompt?: string;
modelsUsed: Set<string>;
messages: Message[];
toolResultsMap: Map<string, ToolResultMessage>;
sessionEvents: SessionEvent[];
tokenStats: { input: number; output: number; cacheRead: number; cacheWrite: number };
costStats: { input: number; output: number; cacheRead: number; cacheWrite: number };
tools?: { name: string; description: string }[];
contextWindow?: number;
isStreamingFormat?: boolean;
}
// ============================================================================
// Color scheme (matching TUI)
// ============================================================================
const COLORS = {
userMessageBg: "rgb(52, 53, 65)",
toolPendingBg: "rgb(40, 40, 50)",
toolSuccessBg: "rgb(40, 50, 40)",
toolErrorBg: "rgb(60, 40, 40)",
userBashBg: "rgb(50, 48, 35)", // Faint yellow/brown for user-executed bash
userBashErrorBg: "rgb(60, 45, 35)", // Slightly more orange for errors
bodyBg: "rgb(24, 24, 30)",
containerBg: "rgb(30, 30, 36)",
text: "rgb(229, 229, 231)",
textDim: "rgb(161, 161, 170)",
cyan: "rgb(103, 232, 249)",
green: "rgb(34, 197, 94)",
red: "rgb(239, 68, 68)",
yellow: "rgb(234, 179, 8)",
};
// ============================================================================
// Utility functions
// ============================================================================
function escapeHtml(text: string): string {
return text
.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;");
}
function shortenPath(path: string): string {
const home = homedir();
return path.startsWith(home) ? "~" + path.slice(home.length) : path;
}
function replaceTabs(text: string): string {
return text.replace(/\t/g, " ");
}
function formatTimestamp(timestamp: number | string | undefined): string {
if (!timestamp) return "";
const date = new Date(typeof timestamp === "string" ? timestamp : timestamp);
return date.toLocaleTimeString(undefined, { hour: "2-digit", minute: "2-digit", second: "2-digit" });
}
function formatExpandableOutput(lines: string[], maxLines: number): string {
const displayLines = lines.slice(0, maxLines);
const remaining = lines.length - maxLines;
if (remaining > 0) {
let out = '<div class="tool-output expandable" onclick="this.classList.toggle(\'expanded\')">';
out += '<div class="output-preview">';
for (const line of displayLines) {
out += `<div>${escapeHtml(replaceTabs(line))}</div>`;
}
out += `<div class="expand-hint">... (${remaining} more lines) - click to expand</div>`;
out += "</div>";
out += '<div class="output-full">';
for (const line of lines) {
out += `<div>${escapeHtml(replaceTabs(line))}</div>`;
}
out += "</div></div>";
return out;
}
let out = '<div class="tool-output">';
for (const line of displayLines) {
out += `<div>${escapeHtml(replaceTabs(line))}</div>`;
}
out += "</div>";
return out;
}
// ============================================================================
// Parsing functions
// ============================================================================
function parseSessionManagerFormat(lines: string[]): ParsedSessionData {
const data: ParsedSessionData = {
sessionId: "unknown",
timestamp: new Date().toISOString(),
modelsUsed: new Set(),
messages: [],
toolResultsMap: new Map(),
sessionEvents: [],
tokenStats: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
costStats: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
};
for (const line of lines) {
let entry: { type: string; [key: string]: unknown };
try {
entry = JSON.parse(line) as { type: string; [key: string]: unknown };
} catch {
continue;
}
switch (entry.type) {
case "session":
data.sessionId = (entry.id as string) || "unknown";
data.timestamp = (entry.timestamp as string) || data.timestamp;
data.systemPrompt = entry.systemPrompt as string | undefined;
if (entry.modelId) {
const modelInfo = entry.provider ? `${entry.provider}/${entry.modelId}` : (entry.modelId as string);
data.modelsUsed.add(modelInfo);
}
break;
case "message": {
const message = entry.message as Message;
data.messages.push(message);
data.sessionEvents.push({
type: "message",
message,
timestamp: entry.timestamp as number | undefined,
});
if (message.role === "toolResult") {
const toolResult = message as ToolResultMessage;
data.toolResultsMap.set(toolResult.toolCallId, toolResult);
} else if (message.role === "assistant") {
const assistantMsg = message as AssistantMessage;
if (assistantMsg.usage) {
data.tokenStats.input += assistantMsg.usage.input || 0;
data.tokenStats.output += assistantMsg.usage.output || 0;
data.tokenStats.cacheRead += assistantMsg.usage.cacheRead || 0;
data.tokenStats.cacheWrite += assistantMsg.usage.cacheWrite || 0;
if (assistantMsg.usage.cost) {
data.costStats.input += assistantMsg.usage.cost.input || 0;
data.costStats.output += assistantMsg.usage.cost.output || 0;
data.costStats.cacheRead += assistantMsg.usage.cost.cacheRead || 0;
data.costStats.cacheWrite += assistantMsg.usage.cost.cacheWrite || 0;
}
}
}
break;
}
case "model_change":
data.sessionEvents.push({
type: "model_change",
provider: entry.provider as string,
modelId: entry.modelId as string,
timestamp: entry.timestamp as number | undefined,
});
if (entry.modelId) {
const modelInfo = entry.provider ? `${entry.provider}/${entry.modelId}` : (entry.modelId as string);
data.modelsUsed.add(modelInfo);
}
break;
case "compaction":
data.sessionEvents.push({
type: "compaction",
timestamp: entry.timestamp as string,
summary: entry.summary as string,
tokensBefore: entry.tokensBefore as number,
});
break;
}
}
return data;
}
function parseStreamingEventFormat(lines: string[]): ParsedSessionData {
const data: ParsedSessionData = {
sessionId: "unknown",
timestamp: new Date().toISOString(),
modelsUsed: new Set(),
messages: [],
toolResultsMap: new Map(),
sessionEvents: [],
tokenStats: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
costStats: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
isStreamingFormat: true,
};
let timestampSet = false;
for (const line of lines) {
let entry: { type: string; message?: Message };
try {
entry = JSON.parse(line) as { type: string; message?: Message };
} catch {
continue;
}
if (entry.type === "message_end" && entry.message) {
const msg = entry.message;
data.messages.push(msg);
data.sessionEvents.push({
type: "message",
message: msg,
timestamp: (msg as { timestamp?: number }).timestamp,
});
if (msg.role === "toolResult") {
const toolResult = msg as ToolResultMessage;
data.toolResultsMap.set(toolResult.toolCallId, toolResult);
} else if (msg.role === "assistant") {
const assistantMsg = msg as AssistantMessage;
if (assistantMsg.model) {
const modelInfo = assistantMsg.provider
? `${assistantMsg.provider}/${assistantMsg.model}`
: assistantMsg.model;
data.modelsUsed.add(modelInfo);
}
if (assistantMsg.usage) {
data.tokenStats.input += assistantMsg.usage.input || 0;
data.tokenStats.output += assistantMsg.usage.output || 0;
data.tokenStats.cacheRead += assistantMsg.usage.cacheRead || 0;
data.tokenStats.cacheWrite += assistantMsg.usage.cacheWrite || 0;
if (assistantMsg.usage.cost) {
data.costStats.input += assistantMsg.usage.cost.input || 0;
data.costStats.output += assistantMsg.usage.cost.output || 0;
data.costStats.cacheRead += assistantMsg.usage.cost.cacheRead || 0;
data.costStats.cacheWrite += assistantMsg.usage.cost.cacheWrite || 0;
}
}
}
if (!timestampSet && (msg as { timestamp?: number }).timestamp) {
data.timestamp = new Date((msg as { timestamp: number }).timestamp).toISOString();
timestampSet = true;
}
}
}
data.sessionId = `stream-${data.timestamp.replace(/[:.]/g, "-")}`;
return data;
}
function detectFormat(lines: string[]): "session-manager" | "streaming-events" | "unknown" {
for (const line of lines) {
try {
const entry = JSON.parse(line) as { type: string };
if (entry.type === "session") return "session-manager";
if (entry.type === "agent_start" || entry.type === "message_start" || entry.type === "turn_start") {
return "streaming-events";
}
} catch {}
}
return "unknown";
}
function parseSessionFile(content: string): ParsedSessionData {
const lines = content
.trim()
.split("\n")
.filter((l) => l.trim());
if (lines.length === 0) {
throw new Error("Empty session file");
}
const format = detectFormat(lines);
if (format === "unknown") {
throw new Error("Unknown session file format");
}
return format === "session-manager" ? parseSessionManagerFormat(lines) : parseStreamingEventFormat(lines);
}
// ============================================================================
// HTML formatting functions
// ============================================================================
function formatToolExecution(
toolName: string,
args: Record<string, unknown>,
result?: ToolResultMessage,
): { html: string; bgColor: string } {
let html = "";
const isError = result?.isError || false;
const bgColor = result ? (isError ? COLORS.toolErrorBg : COLORS.toolSuccessBg) : COLORS.toolPendingBg;
const getTextOutput = (): string => {
if (!result) return "";
const textBlocks = result.content.filter((c) => c.type === "text");
return textBlocks.map((c) => (c as { type: "text"; text: string }).text).join("\n");
};
switch (toolName) {
case "bash": {
const command = (args?.command as string) || "";
html = `<div class="tool-command">$ ${escapeHtml(command || "...")}</div>`;
if (result) {
const output = getTextOutput().trim();
if (output) {
html += formatExpandableOutput(output.split("\n"), 5);
}
}
break;
}
case "read": {
const path = shortenPath((args?.file_path as string) || (args?.path as string) || "");
html = `<div class="tool-header"><span class="tool-name">read</span> <span class="tool-path">${escapeHtml(path || "...")}</span></div>`;
if (result) {
const output = getTextOutput();
if (output) {
html += formatExpandableOutput(output.split("\n"), 10);
}
}
break;
}
case "write": {
const path = shortenPath((args?.file_path as string) || (args?.path as string) || "");
const fileContent = (args?.content as string) || "";
const lines = fileContent ? fileContent.split("\n") : [];
html = `<div class="tool-header"><span class="tool-name">write</span> <span class="tool-path">${escapeHtml(path || "...")}</span>`;
if (lines.length > 10) {
html += ` <span class="line-count">(${lines.length} lines)</span>`;
}
html += "</div>";
if (fileContent) {
html += formatExpandableOutput(lines, 10);
}
if (result) {
const output = getTextOutput().trim();
if (output) {
html += `<div class="tool-output"><div>${escapeHtml(output)}</div></div>`;
}
}
break;
}
case "edit": {
const path = shortenPath((args?.file_path as string) || (args?.path as string) || "");
html = `<div class="tool-header"><span class="tool-name">edit</span> <span class="tool-path">${escapeHtml(path || "...")}</span></div>`;
if (result?.details?.diff) {
const diffLines = result.details.diff.split("\n");
html += '<div class="tool-diff">';
for (const line of diffLines) {
if (line.startsWith("+")) {
html += `<div class="diff-line-new">${escapeHtml(line)}</div>`;
} else if (line.startsWith("-")) {
html += `<div class="diff-line-old">${escapeHtml(line)}</div>`;
} else {
html += `<div class="diff-line-context">${escapeHtml(line)}</div>`;
}
}
html += "</div>";
}
if (result) {
const output = getTextOutput().trim();
if (output) {
html += `<div class="tool-output"><div>${escapeHtml(output)}</div></div>`;
}
}
break;
}
default: {
html = `<div class="tool-header"><span class="tool-name">${escapeHtml(toolName)}</span></div>`;
html += `<div class="tool-output"><pre>${escapeHtml(JSON.stringify(args, null, 2))}</pre></div>`;
if (result) {
const output = getTextOutput();
if (output) {
html += `<div class="tool-output"><div>${escapeHtml(output)}</div></div>`;
}
}
}
}
return { html, bgColor };
}
function formatMessage(message: Message, toolResultsMap: Map<string, ToolResultMessage>): string {
let html = "";
const timestamp = (message as { timestamp?: number }).timestamp;
const timestampHtml = timestamp ? `<div class="message-timestamp">${formatTimestamp(timestamp)}</div>` : "";
// Handle bash execution messages (user-executed via ! command)
if (isBashExecutionMessage(message)) {
const bashMsg = message as unknown as BashExecutionMessage;
const isError = bashMsg.cancelled || (bashMsg.exitCode !== 0 && bashMsg.exitCode !== null);
const bgColor = isError ? COLORS.userBashErrorBg : COLORS.userBashBg;
html += `<div class="tool-execution" style="background-color: ${bgColor}">`;
html += timestampHtml;
html += `<div class="tool-command">$ ${escapeHtml(bashMsg.command)}</div>`;
if (bashMsg.output) {
const lines = bashMsg.output.split("\n");
html += formatExpandableOutput(lines, 10);
}
if (bashMsg.cancelled) {
html += `<div class="bash-status" style="color: ${COLORS.yellow}">(cancelled)</div>`;
} else if (bashMsg.exitCode !== 0 && bashMsg.exitCode !== null) {
html += `<div class="bash-status" style="color: ${COLORS.red}">(exit ${bashMsg.exitCode})</div>`;
}
if (bashMsg.truncated && bashMsg.fullOutputPath) {
html += `<div class="bash-truncation" style="color: ${COLORS.yellow}">Output truncated. Full output: ${escapeHtml(bashMsg.fullOutputPath)}</div>`;
}
html += `</div>`;
return html;
}
if (message.role === "user") {
const userMsg = message as UserMessage;
let textContent = "";
if (typeof userMsg.content === "string") {
textContent = userMsg.content;
} else {
const textBlocks = userMsg.content.filter((c) => c.type === "text");
textContent = textBlocks.map((c) => (c as { type: "text"; text: string }).text).join("");
}
if (textContent.trim()) {
html += `<div class="user-message">${timestampHtml}${escapeHtml(textContent).replace(/\n/g, "<br>")}</div>`;
}
} else if (message.role === "assistant") {
const assistantMsg = message as AssistantMessage;
html += timestampHtml ? `<div class="assistant-message">${timestampHtml}` : "";
for (const content of assistantMsg.content) {
if (content.type === "text" && content.text.trim()) {
html += `<div class="assistant-text">${escapeHtml(content.text.trim()).replace(/\n/g, "<br>")}</div>`;
} else if (content.type === "thinking" && content.thinking.trim()) {
html += `<div class="thinking-text">${escapeHtml(content.thinking.trim()).replace(/\n/g, "<br>")}</div>`;
}
}
for (const content of assistantMsg.content) {
if (content.type === "toolCall") {
const toolResult = toolResultsMap.get(content.id);
const { html: toolHtml, bgColor } = formatToolExecution(
content.name,
content.arguments as Record<string, unknown>,
toolResult,
);
html += `<div class="tool-execution" style="background-color: ${bgColor}">${toolHtml}</div>`;
}
}
const hasToolCalls = assistantMsg.content.some((c) => c.type === "toolCall");
if (!hasToolCalls) {
if (assistantMsg.stopReason === "aborted") {
html += '<div class="error-text">Aborted</div>';
} else if (assistantMsg.stopReason === "error") {
html += `<div class="error-text">Error: ${escapeHtml(assistantMsg.errorMessage || "Unknown error")}</div>`;
}
}
if (timestampHtml) {
html += "</div>";
}
}
return html;
}
function formatModelChange(event: ModelChangeEvent): string {
const timestamp = formatTimestamp(event.timestamp);
const timestampHtml = timestamp ? `<div class="message-timestamp">${timestamp}</div>` : "";
const modelInfo = `${event.provider}/${event.modelId}`;
return `<div class="model-change">${timestampHtml}<div class="model-change-text">Switched to model: <span class="model-name">${escapeHtml(modelInfo)}</span></div></div>`;
}
function formatCompaction(event: CompactionEvent): string {
const timestamp = formatTimestamp(event.timestamp);
const timestampHtml = timestamp ? `<div class="message-timestamp">${timestamp}</div>` : "";
const summaryHtml = escapeHtml(event.summary).replace(/\n/g, "<br>");
return `<div class="compaction-container">
<div class="compaction-header" onclick="this.parentElement.classList.toggle('expanded')">
${timestampHtml}
<div class="compaction-header-row">
<span class="compaction-toggle">▶</span>
<span class="compaction-title">Context compacted from ${event.tokensBefore.toLocaleString()} tokens</span>
<span class="compaction-hint">(click to expand summary)</span>
</div>
</div>
<div class="compaction-content">
<div class="compaction-summary">
<div class="compaction-summary-header">Summary sent to model</div>
<div class="compaction-summary-content">${summaryHtml}</div>
</div>
</div>
</div>`;
}
// ============================================================================
// HTML generation
// ============================================================================
function generateHtml(data: ParsedSessionData, filename: string): string {
const userMessages = data.messages.filter((m) => m.role === "user").length;
const assistantMessages = data.messages.filter((m) => m.role === "assistant").length;
let toolCallsCount = 0;
for (const message of data.messages) {
if (message.role === "assistant") {
toolCallsCount += (message as AssistantMessage).content.filter((c) => c.type === "toolCall").length;
}
}
const lastAssistantMessage = data.messages
.slice()
.reverse()
.find((m) => m.role === "assistant" && (m as AssistantMessage).stopReason !== "aborted") as
| AssistantMessage
| undefined;
const contextTokens = lastAssistantMessage
? lastAssistantMessage.usage.input +
lastAssistantMessage.usage.output +
lastAssistantMessage.usage.cacheRead +
lastAssistantMessage.usage.cacheWrite
: 0;
const lastModel = lastAssistantMessage?.model || "unknown";
const lastProvider = lastAssistantMessage?.provider || "";
const lastModelInfo = lastProvider ? `${lastProvider}/${lastModel}` : lastModel;
const contextWindow = data.contextWindow || 0;
const contextPercent = contextWindow > 0 ? ((contextTokens / contextWindow) * 100).toFixed(1) : null;
let messagesHtml = "";
for (const event of data.sessionEvents) {
switch (event.type) {
case "message":
if (event.message.role !== "toolResult") {
messagesHtml += formatMessage(event.message, data.toolResultsMap);
}
break;
case "model_change":
messagesHtml += formatModelChange(event);
break;
case "compaction":
messagesHtml += formatCompaction(event);
break;
}
}
const systemPromptHtml = data.systemPrompt
? `<div class="system-prompt">
<div class="system-prompt-header">System Prompt</div>
<div class="system-prompt-content">${escapeHtml(data.systemPrompt)}</div>
</div>`
: "";
const toolsHtml = data.tools
? `<div class="tools-list">
<div class="tools-header">Available Tools</div>
<div class="tools-content">
${data.tools.map((tool) => `<div class="tool-item"><span class="tool-item-name">${escapeHtml(tool.name)}</span> - ${escapeHtml(tool.description)}</div>`).join("")}
</div>
</div>`
: "";
const streamingNotice = data.isStreamingFormat
? `<div class="streaming-notice">
<em>Note: This session was reconstructed from raw agent event logs, which do not contain system prompt or tool definitions.</em>
</div>`
: "";
const contextUsageText = contextPercent
? `${contextTokens.toLocaleString()} / ${contextWindow.toLocaleString()} tokens (${contextPercent}%) - ${escapeHtml(lastModelInfo)}`
: `${contextTokens.toLocaleString()} tokens (last turn) - ${escapeHtml(lastModelInfo)}`;
return `<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Session Export - ${escapeHtml(filename)}</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
font-family: ui-monospace, 'Cascadia Code', 'Source Code Pro', Menlo, Consolas, 'DejaVu Sans Mono', monospace;
font-size: 12px;
line-height: 1.6;
color: ${COLORS.text};
background: ${COLORS.bodyBg};
padding: 24px;
}
.container { max-width: 700px; margin: 0 auto; }
.header {
margin-bottom: 24px;
padding: 16px;
background: ${COLORS.containerBg};
border-radius: 4px;
}
.header h1 {
font-size: 14px;
font-weight: bold;
margin-bottom: 12px;
color: ${COLORS.cyan};
}
.header-info { display: flex; flex-direction: column; gap: 3px; font-size: 11px; }
.info-item { color: ${COLORS.textDim}; display: flex; align-items: baseline; }
.info-label { font-weight: 600; margin-right: 8px; min-width: 100px; }
.info-value { color: ${COLORS.text}; flex: 1; }
.info-value.cost { font-family: 'SF Mono', monospace; }
.messages { display: flex; flex-direction: column; gap: 16px; }
.message-timestamp { font-size: 10px; color: ${COLORS.textDim}; margin-bottom: 4px; opacity: 0.8; }
.user-message {
background: ${COLORS.userMessageBg};
padding: 12px 16px;
border-radius: 4px;
white-space: pre-wrap;
word-wrap: break-word;
overflow-wrap: break-word;
word-break: break-word;
}
.assistant-message { padding: 0; }
.assistant-text, .thinking-text {
padding: 12px 16px;
white-space: pre-wrap;
word-wrap: break-word;
overflow-wrap: break-word;
word-break: break-word;
}
.thinking-text { color: ${COLORS.textDim}; font-style: italic; }
.model-change { padding: 8px 16px; background: rgb(40, 40, 50); border-radius: 4px; }
.model-change-text { color: ${COLORS.textDim}; font-size: 11px; }
.model-name { color: ${COLORS.cyan}; font-weight: bold; }
.compaction-container { background: rgb(60, 55, 35); border-radius: 4px; overflow: hidden; }
.compaction-header { padding: 12px 16px; cursor: pointer; }
.compaction-header:hover { background: rgba(255, 255, 255, 0.05); }
.compaction-header-row { display: flex; align-items: center; gap: 8px; }
.compaction-toggle { color: ${COLORS.cyan}; font-size: 10px; transition: transform 0.2s; }
.compaction-container.expanded .compaction-toggle { transform: rotate(90deg); }
.compaction-title { color: ${COLORS.text}; font-weight: bold; }
.compaction-hint { color: ${COLORS.textDim}; font-size: 11px; }
.compaction-content { display: none; padding: 0 16px 16px 16px; }
.compaction-container.expanded .compaction-content { display: block; }
.compaction-summary { background: rgba(0, 0, 0, 0.2); border-radius: 4px; padding: 12px; }
.compaction-summary-header { font-weight: bold; color: ${COLORS.cyan}; margin-bottom: 8px; font-size: 11px; }
.compaction-summary-content { color: ${COLORS.text}; white-space: pre-wrap; word-wrap: break-word; }
.tool-execution { padding: 12px 16px; border-radius: 4px; margin-top: 8px; }
.tool-header, .tool-name { font-weight: bold; }
.tool-path { color: ${COLORS.cyan}; word-break: break-all; }
.line-count { color: ${COLORS.textDim}; }
.tool-command { font-weight: bold; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: break-word; word-break: break-word; }
.tool-output {
margin-top: 12px;
color: ${COLORS.textDim};
white-space: pre-wrap;
word-wrap: break-word;
overflow-wrap: break-word;
word-break: break-word;
font-family: inherit;
overflow-x: auto;
}
.tool-output > div { line-height: 1.4; }
.tool-output pre { margin: 0; font-family: inherit; color: inherit; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: break-word; }
.tool-output.expandable { cursor: pointer; }
.tool-output.expandable:hover { opacity: 0.9; }
.tool-output.expandable .output-full { display: none; }
.tool-output.expandable.expanded .output-preview { display: none; }
.tool-output.expandable.expanded .output-full { display: block; }
.expand-hint { color: ${COLORS.cyan}; font-style: italic; margin-top: 4px; }
.system-prompt, .tools-list { background: rgb(60, 55, 40); padding: 12px 16px; border-radius: 4px; margin-bottom: 16px; }
.system-prompt-header, .tools-header { font-weight: bold; color: ${COLORS.yellow}; margin-bottom: 8px; }
.system-prompt-content, .tools-content { color: ${COLORS.textDim}; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: break-word; word-break: break-word; font-size: 11px; }
.tool-item { margin: 4px 0; }
.tool-item-name { font-weight: bold; color: ${COLORS.text}; }
.tool-diff { margin-top: 12px; font-size: 11px; font-family: inherit; overflow-x: auto; max-width: 100%; }
.diff-line-old { color: ${COLORS.red}; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: break-word; }
.diff-line-new { color: ${COLORS.green}; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: break-word; }
.diff-line-context { color: ${COLORS.textDim}; white-space: pre-wrap; word-wrap: break-word; overflow-wrap: break-word; }
.error-text { color: ${COLORS.red}; padding: 12px 16px; }
.footer { margin-top: 48px; padding: 20px; text-align: center; color: ${COLORS.textDim}; font-size: 10px; }
.streaming-notice { background: rgb(50, 45, 35); padding: 12px 16px; border-radius: 4px; margin-bottom: 16px; color: ${COLORS.textDim}; font-size: 11px; }
@media print { body { background: white; color: black; } .tool-execution { border: 1px solid #ddd; } }
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>${APP_NAME} v${VERSION}</h1>
<div class="header-info">
<div class="info-item"><span class="info-label">Session:</span><span class="info-value">${escapeHtml(data.sessionId)}</span></div>
<div class="info-item"><span class="info-label">Date:</span><span class="info-value">${new Date(data.timestamp).toLocaleString()}</span></div>
<div class="info-item"><span class="info-label">Models:</span><span class="info-value">${
Array.from(data.modelsUsed)
.map((m) => escapeHtml(m))
.join(", ") || "unknown"
}</span></div>
</div>
</div>
<div class="header">
<h1>Messages</h1>
<div class="header-info">
<div class="info-item"><span class="info-label">User:</span><span class="info-value">${userMessages}</span></div>
<div class="info-item"><span class="info-label">Assistant:</span><span class="info-value">${assistantMessages}</span></div>
<div class="info-item"><span class="info-label">Tool Calls:</span><span class="info-value">${toolCallsCount}</span></div>
</div>
</div>
<div class="header">
<h1>Tokens & Cost</h1>
<div class="header-info">
<div class="info-item"><span class="info-label">Input:</span><span class="info-value">${data.tokenStats.input.toLocaleString()} tokens</span></div>
<div class="info-item"><span class="info-label">Output:</span><span class="info-value">${data.tokenStats.output.toLocaleString()} tokens</span></div>
<div class="info-item"><span class="info-label">Cache Read:</span><span class="info-value">${data.tokenStats.cacheRead.toLocaleString()} tokens</span></div>
<div class="info-item"><span class="info-label">Cache Write:</span><span class="info-value">${data.tokenStats.cacheWrite.toLocaleString()} tokens</span></div>
<div class="info-item"><span class="info-label">Total:</span><span class="info-value">${(data.tokenStats.input + data.tokenStats.output + data.tokenStats.cacheRead + data.tokenStats.cacheWrite).toLocaleString()} tokens</span></div>
<div class="info-item"><span class="info-label">Input Cost:</span><span class="info-value cost">$${data.costStats.input.toFixed(4)}</span></div>
<div class="info-item"><span class="info-label">Output Cost:</span><span class="info-value cost">$${data.costStats.output.toFixed(4)}</span></div>
<div class="info-item"><span class="info-label">Cache Read Cost:</span><span class="info-value cost">$${data.costStats.cacheRead.toFixed(4)}</span></div>
<div class="info-item"><span class="info-label">Cache Write Cost:</span><span class="info-value cost">$${data.costStats.cacheWrite.toFixed(4)}</span></div>
<div class="info-item"><span class="info-label">Total Cost:</span><span class="info-value cost"><strong>$${(data.costStats.input + data.costStats.output + data.costStats.cacheRead + data.costStats.cacheWrite).toFixed(4)}</strong></span></div>
<div class="info-item"><span class="info-label">Context Usage:</span><span class="info-value">${contextUsageText}</span></div>
</div>
</div>
${systemPromptHtml}
${toolsHtml}
${streamingNotice}
<div class="messages">
${messagesHtml}
</div>
<div class="footer">
Generated by ${APP_NAME} coding-agent on ${new Date().toLocaleString()}
</div>
</div>
</body>
</html>`;
}
// ============================================================================
// Public API
// ============================================================================
/**
* Export session to HTML using SessionManager and AgentState.
* Used by TUI's /export command.
*/
export function exportSessionToHtml(sessionManager: SessionManager, state: AgentState, outputPath?: string): string {
const sessionFile = sessionManager.getSessionFile();
const content = readFileSync(sessionFile, "utf8");
const data = parseSessionFile(content);
// Enrich with data from AgentState (tools, context window)
data.tools = state.tools.map((t) => ({ name: t.name, description: t.description }));
data.contextWindow = state.model?.contextWindow;
if (!data.systemPrompt) {
data.systemPrompt = state.systemPrompt;
}
if (!outputPath) {
const sessionBasename = basename(sessionFile, ".jsonl");
outputPath = `${APP_NAME}-session-${sessionBasename}.html`;
}
const html = generateHtml(data, basename(sessionFile));
writeFileSync(outputPath, html, "utf8");
return outputPath;
}
/**
* Export session file to HTML (standalone, without AgentState).
* Auto-detects format: session manager format or streaming event format.
* Used by CLI for exporting arbitrary session files.
*/
export function exportFromFile(inputPath: string, outputPath?: string): string {
if (!existsSync(inputPath)) {
throw new Error(`File not found: ${inputPath}`);
}
const content = readFileSync(inputPath, "utf8");
const data = parseSessionFile(content);
if (!outputPath) {
const inputBasename = basename(inputPath, ".jsonl");
outputPath = `${APP_NAME}-session-${inputBasename}.html`;
}
const html = generateHtml(data, basename(inputPath));
writeFileSync(outputPath, html, "utf8");
return outputPath;
}