initial release: deploy code + split scripts

0e41b61 verified about 2 months ago

26.3 kB

	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>mac-tensor agent</title>
	<style>
	:root {
	--bg: #0a0a0f;
	--bg-2: #111128;
	--primary: #6366f1;
	--secondary: #22d3ee;
	--accent: #f472b6;
	--green: #34d399;
	--orange: #fb923c;
	--red: #ef4444;
	--text: #f1f5f9;
	--text-muted: #94a3b8;
	--card: rgba(30, 30, 60, 0.7);
	--border: rgba(99, 102, 241, 0.3);
	}
	* { box-sizing: border-box; }
	html, body {
	margin: 0;
	padding: 0;
	height: 100%;
	background: var(--bg);
	color: var(--text);
	font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
	}
	body {
	background: linear-gradient(135deg, #0a0a0f 0%, #111128 50%, #0a0a0f 100%);
	background-attachment: fixed;
	display: flex;
	flex-direction: column;
	height: 100vh;
	}

	/* Header */
	header {
	padding: 16px 24px;
	border-bottom: 1px solid var(--border);
	background: rgba(10, 10, 15, 0.85);
	backdrop-filter: blur(20px);
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-shrink: 0;
	}
	.brand {
	display: flex;
	align-items: center;
	gap: 12px;
	}
	.brand-logo {
	font-size: 28px;
	font-weight: 800;
	background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	letter-spacing: -1px;
	}
	.brand-info {
	font-size: 13px;
	color: var(--text-muted);
	}
	.brand-info b { color: var(--secondary); font-weight: 600; }
	.actions {
	display: flex;
	gap: 8px;
	}
	.btn {
	background: var(--card);
	border: 1px solid var(--border);
	color: var(--text);
	padding: 8px 16px;
	border-radius: 8px;
	cursor: pointer;
	font-size: 13px;
	transition: all 0.15s;
	}
	.btn:hover {
	background: rgba(99, 102, 241, 0.15);
	border-color: var(--primary);
	}
	.btn.primary {
	background: linear-gradient(135deg, var(--primary), var(--secondary));
	border: none;
	color: #fff;
	font-weight: 600;
	}
	.btn.primary:hover { opacity: 0.9; }
	.btn:disabled { opacity: 0.4; cursor: not-allowed; }

	/* Status indicator */
	.status {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	font-size: 12px;
	color: var(--text-muted);
	padding: 6px 12px;
	background: rgba(52, 211, 153, 0.08);
	border: 1px solid rgba(52, 211, 153, 0.3);
	border-radius: 6px;
	}
	.status .dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--green);
	box-shadow: 0 0 8px var(--green);
	animation: pulse 2s infinite;
	}
	@keyframes pulse {
	0%, 100% { opacity: 1; }
	50% { opacity: 0.5; }
	}

	/* Chat area */
	main {
	flex: 1;
	overflow-y: auto;
	padding: 24px;
	display: flex;
	flex-direction: column;
	align-items: center;
	}
	.messages {
	width: 100%;
	max-width: 900px;
	display: flex;
	flex-direction: column;
	gap: 20px;
	}
	.message {
	display: flex;
	flex-direction: column;
	gap: 8px;
	animation: slideIn 0.3s ease-out;
	}
	@keyframes slideIn {
	from { opacity: 0; transform: translateY(8px); }
	to { opacity: 1; transform: translateY(0); }
	}
	.message-role {
	font-size: 12px;
	font-weight: 600;
	color: var(--text-muted);
	text-transform: uppercase;
	letter-spacing: 0.5px;
	}
	.message-role.user { color: var(--secondary); }
	.message-role.agent { color: var(--accent); }
	.bubble {
	padding: 16px 20px;
	border-radius: 14px;
	line-height: 1.55;
	font-size: 15px;
	white-space: pre-wrap;
	word-wrap: break-word;
	}
	.bubble.user {
	background: linear-gradient(135deg, rgba(34, 211, 238, 0.1), rgba(99, 102, 241, 0.1));
	border: 1px solid rgba(34, 211, 238, 0.3);
	}
	.bubble.agent {
	background: var(--card);
	border: 1px solid var(--border);
	}

	/* Tool call cards */
	.tool-call {
	margin-top: 8px;
	border: 1px solid rgba(251, 146, 60, 0.3);
	border-radius: 10px;
	overflow: hidden;
	background: rgba(251, 146, 60, 0.05);
	}
	.tool-header {
	padding: 10px 14px;
	display: flex;
	align-items: center;
	gap: 10px;
	cursor: pointer;
	user-select: none;
	}
	.tool-header:hover {
	background: rgba(251, 146, 60, 0.08);
	}
	.tool-icon {
	width: 28px;
	height: 28px;
	border-radius: 6px;
	background: rgba(251, 146, 60, 0.2);
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--orange);
	font-weight: 700;
	font-size: 14px;
	}
	.tool-name {
	font-family: 'SF Mono', Menlo, monospace;
	font-size: 13px;
	color: var(--orange);
	font-weight: 600;
	}
	.tool-args {
	flex: 1;
	font-family: 'SF Mono', Menlo, monospace;
	font-size: 12px;
	color: var(--text-muted);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
	}
	.tool-toggle {
	color: var(--text-muted);
	font-size: 12px;
	transition: transform 0.2s;
	}
	.tool-call.expanded .tool-toggle {
	transform: rotate(180deg);
	}
	.tool-result {
	display: none;
	padding: 12px 14px;
	border-top: 1px solid rgba(251, 146, 60, 0.2);
	font-family: 'SF Mono', Menlo, monospace;
	font-size: 12px;
	color: var(--text);
	background: rgba(15, 15, 30, 0.6);
	white-space: pre-wrap;
	max-height: 300px;
	overflow-y: auto;
	line-height: 1.5;
	}
	.tool-call.expanded .tool-result {
	display: block;
	}

	/* Step indicator */
	.step-pill {
	display: inline-block;
	padding: 4px 10px;
	background: rgba(99, 102, 241, 0.15);
	border: 1px solid rgba(99, 102, 241, 0.3);
	border-radius: 6px;
	font-size: 11px;
	color: var(--primary);
	font-family: 'SF Mono', monospace;
	margin-bottom: 4px;
	}

	/* Thinking indicator */
	.thinking {
	display: flex;
	align-items: center;
	gap: 8px;
	padding: 12px 16px;
	color: var(--text-muted);
	font-size: 14px;
	font-style: italic;
	}
	.thinking-dots {
	display: inline-flex;
	gap: 3px;
	}
	.thinking-dots span {
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--secondary);
	animation: bounce 1.4s infinite ease-in-out;
	}
	.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
	.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }
	@keyframes bounce {
	0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
	40% { transform: scale(1); opacity: 1; }
	}

	/* Input bar */
	footer {
	padding: 16px 24px 24px;
	background: rgba(10, 10, 15, 0.85);
	backdrop-filter: blur(20px);
	border-top: 1px solid var(--border);
	flex-shrink: 0;
	}
	.input-row {
	max-width: 900px;
	margin: 0 auto;
	display: flex;
	gap: 12px;
	align-items: flex-end;
	}
	.input-wrap {
	flex: 1;
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 12px;
	padding: 12px 16px;
	transition: border-color 0.15s;
	}
	.input-wrap:focus-within {
	border-color: var(--primary);
	box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
	}
	textarea {
	width: 100%;
	background: transparent;
	border: none;
	color: var(--text);
	font-family: inherit;
	font-size: 15px;
	line-height: 1.5;
	resize: none;
	outline: none;
	min-height: 24px;
	max-height: 200px;
	}
	textarea::placeholder { color: var(--text-muted); }
	.send-btn {
	padding: 12px 24px;
	border-radius: 12px;
	flex-shrink: 0;
	height: 50px;
	}

	/* Examples */
	.examples {
	width: 100%;
	max-width: 900px;
	margin-top: 40px;
	}
	.examples-title {
	font-size: 13px;
	color: var(--text-muted);
	margin-bottom: 12px;
	text-transform: uppercase;
	letter-spacing: 0.5px;
	}
	.examples-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 12px;
	}
	.example {
	padding: 14px 16px;
	background: var(--card);
	border: 1px solid var(--border);
	border-radius: 10px;
	cursor: pointer;
	transition: all 0.15s;
	font-size: 13px;
	color: var(--text);
	}
	.example:hover {
	background: rgba(99, 102, 241, 0.1);
	border-color: var(--primary);
	}
	.example-tool {
	display: inline-block;
	font-family: 'SF Mono', monospace;
	font-size: 11px;
	color: var(--orange);
	margin-bottom: 4px;
	}

	/* Empty state */
	.empty {
	text-align: center;
	color: var(--text-muted);
	padding: 60px 20px 20px;
	}
	.empty h2 {
	font-size: 28px;
	font-weight: 700;
	color: var(--text);
	margin: 0 0 8px;
	background: linear-gradient(135deg, var(--primary), var(--secondary));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
	}
	.empty p {
	margin: 0;
	font-size: 16px;
	}

	/* Scrollbar */
	::-webkit-scrollbar {
	width: 10px;
	height: 10px;
	}
	::-webkit-scrollbar-track { background: transparent; }
	::-webkit-scrollbar-thumb {
	background: rgba(99, 102, 241, 0.2);
	border-radius: 10px;
	}
	::-webkit-scrollbar-thumb:hover { background: rgba(99, 102, 241, 0.4); }
	</style>
	</head>
	<body>

	<header>
	<div class="brand">
	<div class="brand-logo">mac-tensor</div>
	<div class="brand-info">
	<b>{{MODEL_NAME}}</b> · {{NODE_COUNT}} expert nodes
	</div>
	</div>
	<div class="actions">
	<div class="status"><span class="dot"></span> Connected</div>
	<button class="btn" id="save-btn" title="Download conversation as JSON">💾 Save</button>
	<button class="btn" id="reset-btn">Reset</button>
	</div>
	</header>

	<main>
	<div class="messages" id="messages">
	<div class="empty">
	<h2>Talk to your distributed agent</h2>
	<p>Backed by Apple Silicon expert nodes. Tools: read, ls, shell, search, python.</p>
	</div>
	<div class="examples">
	<div class="examples-title">Try one of these:</div>
	<div class="examples-grid">
	<div class="example" onclick="setInput('How much disk space is free? Use shell.')">
	<div class="example-tool"><shell></div>
	How much disk space is free?
	</div>
	<div class="example" onclick="setInput('What is 2 to the power of 32? Use python.')">
	<div class="example-tool"><python></div>
	What is 2 to the power of 32?
	</div>
	<div class="example" onclick="setInput('List the files in the current directory using ls.')">
	<div class="example-tool"><ls></div>
	List files in current directory
	</div>
	<div class="example" onclick="setInput('Read README.md and summarize what mac-tensor does.')">
	<div class="example-tool"><read></div>
	Summarize the README
	</div>
	</div>
	</div>
	</div>
	</main>

	<footer>
	<div class="input-row">
	<div class="input-wrap">
	<div id="image-preview" style="display:none; margin-bottom:8px;">
	<div style="position:relative; display:inline-block;">
	<img id="preview-img" style="max-height:80px; max-width:120px; border-radius:8px; border:1px solid var(--border);">
	<button id="remove-image" style="position:absolute; top:-6px; right:-6px; width:22px; height:22px; border-radius:50%; background:var(--red); color:white; border:none; cursor:pointer; font-size:14px; line-height:1;">×</button>
	</div>
	</div>
	<textarea id="input" placeholder="Ask the agent anything..." rows="1"></textarea>
	</div>
	<input type="file" id="file-input" accept="image/*" style="display:none;">
	<button class="btn" id="upload-btn" title="Upload image" style="height:50px; width:50px; padding:0; font-size:20px;" data-vision="{{VISION_ENABLED}}">📷</button>
	<button class="btn" id="ground-btn" title="Find objects (Falcon Perception)" style="height:50px; padding: 0 16px; display:none;" data-falcon="{{FALCON_ENABLED}}">
	<span style="font-size:16px;">🎯</span> Ground
	</button>
	<button class="btn primary send-btn" id="send-btn">Send</button>
	</div>
	</footer>

	<script>
	const messagesEl = document.getElementById('messages');
	const inputEl = document.getElementById('input');
	const sendBtn = document.getElementById('send-btn');
	const resetBtn = document.getElementById('reset-btn');
	const uploadBtn = document.getElementById('upload-btn');
	const groundBtn = document.getElementById('ground-btn');
	const fileInput = document.getElementById('file-input');
	const imagePreview = document.getElementById('image-preview');
	const previewImg = document.getElementById('preview-img');
	const removeImageBtn = document.getElementById('remove-image');

	const VISION_ENABLED = uploadBtn.dataset.vision === 'true';
	const FALCON_ENABLED = groundBtn.dataset.falcon === 'true';
	if (!VISION_ENABLED) {
	uploadBtn.style.display = 'none';
	}
	if (FALCON_ENABLED) {
	groundBtn.style.display = 'inline-flex';
	}

	let isGenerating = false;
	let attachedImage = null;
	const conversation = []; // [{role, text, image?, tools?}]

	uploadBtn.addEventListener('click', () => fileInput.click());
	fileInput.addEventListener('change', (e) => {
	const file = e.target.files[0];
	if (!file) return;
	attachedImage = file;
	const reader = new FileReader();
	reader.onload = (ev) => {
	previewImg.src = ev.target.result;
	imagePreview.style.display = 'block';
	};
	reader.readAsDataURL(file);
	});
	removeImageBtn.addEventListener('click', () => {
	attachedImage = null;
	fileInput.value = '';
	imagePreview.style.display = 'none';
	});

	// Drag-and-drop
	document.addEventListener('dragover', (e) => {
	e.preventDefault();
	if (!VISION_ENABLED) return;
	document.body.style.background = 'rgba(99, 102, 241, 0.05)';
	});
	document.addEventListener('dragleave', () => {
	document.body.style.background = '';
	});
	document.addEventListener('drop', (e) => {
	e.preventDefault();
	document.body.style.background = '';
	if (!VISION_ENABLED) return;
	const file = e.dataTransfer.files[0];
	if (file && file.type.startsWith('image/')) {
	attachedImage = file;
	const reader = new FileReader();
	reader.onload = (ev) => {
	previewImg.src = ev.target.result;
	imagePreview.style.display = 'block';
	};
	reader.readAsDataURL(file);
	}
	});

	function setInput(text) {
	inputEl.value = text;
	inputEl.focus();
	autoResize();
	}

	function autoResize() {
	inputEl.style.height = 'auto';
	inputEl.style.height = Math.min(inputEl.scrollHeight, 200) + 'px';
	}

	inputEl.addEventListener('input', autoResize);
	inputEl.addEventListener('keydown', (e) => {
	if (e.key === 'Enter' && !e.shiftKey) {
	e.preventDefault();
	sendMessage();
	}
	});

	sendBtn.addEventListener('click', sendMessage);

	groundBtn.addEventListener('click', async () => {
	if (isGenerating) return;
	if (!attachedImage) {
	alert('Upload an image first (📷 button or drag-and-drop)');
	return;
	}
	const query = inputEl.value.trim();
	if (!query) {
	alert('Type what you want to find (e.g. "bird", "car", "person")');
	return;
	}

	isGenerating = true;
	groundBtn.disabled = true;
	sendBtn.disabled = true;

	const imageDataUrl = previewImg.src;
	const imageToSend = attachedImage;
	attachedImage = null;
	fileInput.value = '';
	imagePreview.style.display = 'none';
	inputEl.value = '';
	autoResize();

	// Show user message in chat
	appendMessage('user', `🎯 Find: "${query}"`, imageDataUrl);

	// Append a "grounding" placeholder
	const wrap = document.createElement('div');
	wrap.className = 'message';
	wrap.innerHTML = `
	<div class="message-role agent">Falcon Perception</div>
	<div class="bubble agent">
	<div class="thinking">
	Running grounding model
	<span class="thinking-dots"><span></span><span></span><span></span></span>
	</div>
	</div>
	`;
	messagesEl.appendChild(wrap);
	scrollToBottom();
	const bubble = wrap.querySelector('.bubble');

	try {
	const fd = new FormData();
	fd.append('query', query);
	fd.append('image', imageToSend);

	const response = await fetch('/api/falcon', { method: 'POST', body: fd });
	if (!response.ok) {
	const err = await response.json().catch(() => ({error: 'unknown'}));
	throw new Error(err.error \|\| `HTTP ${response.status}`);
	}
	const data = await response.json();

	// Render the annotated image + count summary + mask metadata
	let metaHtml = '';
	if (data.masks && data.masks.length > 0) {
	metaHtml = '<div style="margin-top:12px; font-size:13px; color:var(--text-muted);">';
	data.masks.forEach((m, i) => {
	const cx = (m.centroid_norm.x * 100).toFixed(0);
	const cy = (m.centroid_norm.y * 100).toFixed(0);
	const area = (m.area_fraction * 100).toFixed(1);
	metaHtml += `<div>#${m.id} — ${m.image_region}, center (${cx}%, ${cy}%), area ${area}%</div>`;
	});
	metaHtml += '</div>';
	}

	bubble.innerHTML = `
	<div style="font-size:15px; margin-bottom:10px;">
	<b style="color:var(--orange);">Found ${data.count}</b>
	${data.count === 1 ? 'instance' : 'instances'} of
	<i>"${escapeHtml(query)}"</i>
	in ${data.elapsed_seconds}s
	</div>
	<div style="position:relative; display:inline-block;">
	<img src="${data.annotated_image}" style="max-width:100%; border-radius:10px; border:1px solid var(--border); display:block;">
	<button class="download-btn" style="position:absolute; top:8px; right:8px; padding:6px 12px; border-radius:6px; background:rgba(0,0,0,0.7); color:white; border:1px solid rgba(255,255,255,0.3); cursor:pointer; font-size:12px;">⬇ Download</button>
	</div>
	${metaHtml}
	`;
	// Wire up the download button
	const dlBtn = bubble.querySelector('.download-btn');
	dlBtn.addEventListener('click', () => {
	const ts = new Date().toISOString().replace(/[:.]/g, '-');
	downloadDataUrl(data.annotated_image, `falcon-${query.replace(/\s+/g,'_')}-${ts}.png`);
	});
	// Save to conversation log
	conversation.push({
	role: 'falcon',
	query,
	count: data.count,
	masks: data.masks,
	annotated_image: data.annotated_image,
	timestamp: new Date().toISOString(),
	});
	} catch (e) {
	bubble.innerHTML = `<span style="color: var(--red);">Error: ${escapeHtml(e.message)}</span>`;
	} finally {
	isGenerating = false;
	groundBtn.disabled = false;
	sendBtn.disabled = false;
	scrollToBottom();
	}
	});

	resetBtn.addEventListener('click', async () => {
	await fetch('/api/reset', { method: 'POST' });
	conversation.length = 0;
	// Clear UI
	messagesEl.innerHTML = `
	<div class="empty">
	<h2>Context cleared</h2>
	<p>Start a new conversation.</p>
	</div>
	`;
	});

	// Save conversation as JSON
	const saveBtn = document.getElementById('save-btn');
	saveBtn.addEventListener('click', () => {
	if (conversation.length === 0) {
	alert('No conversation to save yet — chat with the agent first!');
	return;
	}
	const exportData = {
	timestamp: new Date().toISOString(),
	model: document.querySelector('.brand-info b')?.textContent \|\| 'mac-tensor',
	messages: conversation,
	};
	const blob = new Blob([JSON.stringify(exportData, null, 2)], {type: 'application/json'});
	const url = URL.createObjectURL(blob);
	const a = document.createElement('a');
	a.href = url;
	a.download = `mac-tensor-${new Date().toISOString().replace(/[:.]/g, '-')}.json`;
	document.body.appendChild(a);
	a.click();
	document.body.removeChild(a);
	URL.revokeObjectURL(url);
	});

	// Helper: download an image from a data URL
	function downloadDataUrl(dataUrl, filename) {
	const a = document.createElement('a');
	a.href = dataUrl;
	a.download = filename;
	document.body.appendChild(a);
	a.click();
	document.body.removeChild(a);
	}

	function clearEmpty() {
	const empty = messagesEl.querySelector('.empty');
	if (empty) empty.remove();
	const examples = messagesEl.querySelector('.examples');
	if (examples) examples.remove();
	}

	function appendMessage(role, content, imageDataUrl) {
	clearEmpty();
	const wrap = document.createElement('div');
	wrap.className = 'message';
	let imageHtml = '';
	if (imageDataUrl) {
	imageHtml = `<img src="${imageDataUrl}" style="max-width:300px; max-height:200px; border-radius:10px; border:1px solid var(--border); margin-bottom:8px; display:block;">`;
	}
	wrap.innerHTML = `
	<div class="message-role ${role}">${role === 'user' ? 'You' : 'Agent'}</div>
	<div class="bubble ${role}">${imageHtml}${escapeHtml(content)}</div>
	`;
	messagesEl.appendChild(wrap);
	scrollToBottom();
	// Track in conversation log
	conversation.push({
	role,
	text: content,
	image: imageDataUrl \|\| null,
	timestamp: new Date().toISOString(),
	});
	return wrap;
	}

	function appendThinking() {
	const wrap = document.createElement('div');
	wrap.className = 'message agent-progress';
	wrap.innerHTML = `
	<div class="message-role agent">Agent</div>
	<div class="bubble agent">
	<div class="thinking">
	Thinking
	<span class="thinking-dots"><span></span><span></span><span></span></span>
	</div>
	<div class="steps"></div>
	</div>
	`;
	messagesEl.appendChild(wrap);
	scrollToBottom();
	return wrap;
	}

	function escapeHtml(text) {
	const div = document.createElement('div');
	div.textContent = text;
	return div.innerHTML;
	}

	function scrollToBottom() {
	document.querySelector('main').scrollTop = document.querySelector('main').scrollHeight;
	}

	async function sendMessage() {
	if (isGenerating) return;
	const message = inputEl.value.trim();
	if (!message) return;

	isGenerating = true;
	sendBtn.disabled = true;
	inputEl.value = '';
	autoResize();

	// Capture the image data URL to show it in the message bubble
	const imageDataUrl = attachedImage ? previewImg.src : null;
	const imageToSend = attachedImage;
	// Clear the preview now (so it doesn't stick around for the next message)
	attachedImage = null;
	fileInput.value = '';
	imagePreview.style.display = 'none';

	appendMessage('user', message, imageDataUrl);
	const progressWrap = appendThinking();
	const stepsContainer = progressWrap.querySelector('.steps');
	const thinkingEl = progressWrap.querySelector('.thinking');

	let currentStep = null;
	let finalText = '';

	try {
	let response;
	if (imageToSend) {
	// Vision mode — multipart/form-data
	const fd = new FormData();
	fd.append('message', message);
	fd.append('max_tokens', '200');
	fd.append('image', imageToSend);
	response = await fetch('/api/chat_vision', { method: 'POST', body: fd });
	} else {
	response = await fetch('/api/chat', {
	method: 'POST',
	headers: { 'Content-Type': 'application/json' },
	body: JSON.stringify({
	message,
	max_iterations: 5,
	max_tokens: 250,
	}),
	});
	}

	if (!response.ok) throw new Error(`HTTP ${response.status}`);

	const reader = response.body.getReader();
	const decoder = new TextDecoder();
	let buffer = '';

	while (true) {
	const { done, value } = await reader.read();
	if (done) break;
	buffer += decoder.decode(value, { stream: true });
	const lines = buffer.split('\n');
	buffer = lines.pop() \|\| '';

	for (const line of lines) {
	if (!line.startsWith('data: ')) continue;
	try {
	const event = JSON.parse(line.slice(6));
	handleEvent(event);
	} catch (e) {
	console.error('parse error', e);
	}
	}
	}

	function handleEvent(event) {
	if (event.type === 'step_start') {
	// Update the thinking indicator
	thinkingEl.innerHTML = `
	Step ${event.step}/${event.max}
	<span class="thinking-dots"><span></span><span></span><span></span></span>
	`;
	} else if (event.type === 'tool_call') {
	const toolDiv = document.createElement('div');
	toolDiv.className = 'tool-call';
	toolDiv.innerHTML = `
	<div class="tool-header" onclick="this.parentElement.classList.toggle('expanded')">
	<div class="tool-icon">⚙</div>
	<div class="tool-name"><${escapeHtml(event.tool)}></div>
	<div class="tool-args">${escapeHtml(event.args.slice(0, 80))}</div>
	<div class="tool-toggle">▾</div>
	</div>
	<div class="tool-result">Running...</div>
	`;
	stepsContainer.appendChild(toolDiv);
	scrollToBottom();
	currentStep = toolDiv;
	} else if (event.type === 'tool_result') {
	if (currentStep) {
	currentStep.querySelector('.tool-result').textContent = event.result;
	}
	} else if (event.type === 'token') {
	// Vision mode streams tokens directly (no tool calls)
	finalText += event.text;
	thinkingEl.innerHTML = `<div style="font-size:15px; line-height:1.55; white-space:pre-wrap;">${escapeHtml(finalText)}</div>`;
	} else if (event.type === 'final') {
	finalText = event.text;
	} else if (event.type === 'error') {
	thinkingEl.innerHTML = `<span style="color: var(--red);">Error: ${escapeHtml(event.message)}</span>`;
	} else if (event.type === 'done') {
	// Replace thinking indicator with final answer
	thinkingEl.innerHTML = '';
	const finalDiv = document.createElement('div');
	finalDiv.style.fontSize = '15px';
	finalDiv.style.lineHeight = '1.55';
	finalDiv.style.whiteSpace = 'pre-wrap';
	finalDiv.textContent = finalText \|\| '(no answer)';
	thinkingEl.appendChild(finalDiv);
	// Save to conversation log
	conversation.push({
	role: 'agent',
	text: finalText \|\| '(no answer)',
	timestamp: new Date().toISOString(),
	});
	}
	}
	} catch (e) {
	thinkingEl.innerHTML = `<span style="color: var(--red);">Error: ${escapeHtml(e.message)}</span>`;
	} finally {
	isGenerating = false;
	sendBtn.disabled = false;
	inputEl.focus();
	scrollToBottom();
	}
	}

	inputEl.focus();
	</script>
	</body>
	</html>