Add C4A-Script support and documentation

- Generate OneShot js code geenrator
- Introduced a new C4A-Script tutorial example for login flow using Blockly.
- Updated index.html to include Blockly theme and event editor modal for script editing.
- Created a test HTML file for testing Blockly integration.
- Added comprehensive C4A-Script API reference documentation covering commands, syntax, and examples.
- Developed core documentation for C4A-Script, detailing its features, commands, and real-world examples.
- Updated mkdocs.yml to include new C4A-Script documentation in navigation.
This commit is contained in:
UncleCode
2025-06-07 23:07:19 +08:00
parent ca03acbc82
commit 08a2cdae53
46 changed files with 6914 additions and 326 deletions

View File

@@ -8,6 +8,8 @@ class TutorialApp {
this.tutorialMode = false;
this.currentStep = 0;
this.tutorialSteps = [];
this.recordingManager = null;
this.blocklyManager = null;
this.init();
}
@@ -18,6 +20,12 @@ class TutorialApp {
this.setupTabs();
this.setupTutorial();
this.checkFirstVisit();
// Initialize recording manager
this.recordingManager = new RecordingManager(this);
// Initialize Blockly manager
this.blocklyManager = new BlocklyManager(this);
}
setupEditors() {
@@ -618,6 +626,858 @@ style.textContent = `
`;
document.head.appendChild(style);
// Recording Manager Class
class RecordingManager {
constructor(tutorialApp) {
this.app = tutorialApp;
this.isRecording = false;
this.rawEvents = [];
this.groupedEvents = [];
this.startTime = 0;
this.lastEventTime = 0;
this.eventInjected = false;
this.keyBuffer = [];
this.keyBufferTimeout = null;
this.scrollAccumulator = { direction: null, amount: 0, startTime: 0 };
this.processedEventIndices = new Set(); // Track which raw events have been processed
this.init();
}
init() {
this.setupUI();
this.setupMessageHandler();
}
setupUI() {
// Record button
const recordBtn = document.getElementById('record-btn');
recordBtn.addEventListener('click', () => this.toggleRecording());
// Timeline button
const timelineBtn = document.getElementById('timeline-btn');
timelineBtn?.addEventListener('click', () => this.showTimeline());
// Back to editor button
document.getElementById('back-to-editor')?.addEventListener('click', () => this.hideTimeline());
// Timeline controls
document.getElementById('select-all-events')?.addEventListener('click', () => this.selectAllEvents());
document.getElementById('clear-events')?.addEventListener('click', () => this.clearEvents());
document.getElementById('generate-script')?.addEventListener('click', () => this.generateScript());
}
setupMessageHandler() {
window.addEventListener('message', (event) => {
if (event.data.type === 'c4a-recording-event' && this.isRecording) {
this.handleRecordedEvent(event.data.event);
}
});
}
toggleRecording() {
const recordBtn = document.getElementById('record-btn');
const timelineBtn = document.getElementById('timeline-btn');
if (!this.isRecording) {
// Start recording
this.isRecording = true;
this.startTime = Date.now();
this.lastEventTime = this.startTime;
this.rawEvents = [];
this.groupedEvents = [];
this.processedEventIndices = new Set();
this.keyBuffer = [];
this.scrollAccumulator = { direction: null, amount: 0, startTime: 0 };
recordBtn.classList.add('recording');
recordBtn.innerHTML = '<span class="icon">⏹</span>Stop';
// Show timeline immediately when recording starts
timelineBtn.classList.remove('hidden');
this.showTimeline();
this.injectEventCapture();
this.app.addConsoleMessage('🔴 Recording started...', 'info');
} else {
// Stop recording
this.isRecording = false;
recordBtn.classList.remove('recording');
recordBtn.innerHTML = '<span class="icon">⏺</span>Record';
this.removeEventCapture();
this.processEvents();
this.app.addConsoleMessage('⏹️ Recording stopped', 'info');
}
}
showTimeline() {
const editorView = document.getElementById('editor-view');
const timelineView = document.getElementById('timeline-view');
editorView.classList.add('hidden');
timelineView.classList.remove('hidden');
// Refresh CodeMirror when switching back
this.editorNeedsRefresh = true;
}
hideTimeline() {
const editorView = document.getElementById('editor-view');
const timelineView = document.getElementById('timeline-view');
timelineView.classList.add('hidden');
editorView.classList.remove('hidden');
// Refresh CodeMirror after switching
if (this.editorNeedsRefresh) {
setTimeout(() => this.app.editor.refresh(), 100);
this.editorNeedsRefresh = false;
}
}
injectEventCapture() {
const iframe = document.getElementById('playground-frame');
const script = `
(function() {
if (window.__c4aRecordingActive) return;
window.__c4aRecordingActive = true;
const captureEvent = (type, event) => {
const data = {
type: type,
timestamp: Date.now(),
targetTag: event.target.tagName,
targetId: event.target.id,
targetClass: event.target.className,
targetSelector: generateSelector(event.target),
targetType: event.target.type // For input elements
};
// Add type-specific data
switch(type) {
case 'click':
case 'dblclick':
case 'contextmenu':
data.x = event.clientX;
data.y = event.clientY;
break;
case 'keydown':
case 'keyup':
data.key = event.key;
data.code = event.code;
data.ctrlKey = event.ctrlKey;
data.shiftKey = event.shiftKey;
data.altKey = event.altKey;
break;
case 'input':
case 'change':
data.value = event.target.value;
data.inputType = event.inputType;
// For checkboxes and radio buttons, also capture checked state
if (event.target.type === 'checkbox' || event.target.type === 'radio') {
data.checked = event.target.checked;
}
// For select elements, capture selected text
if (event.target.tagName === 'SELECT') {
data.selectedText = event.target.options[event.target.selectedIndex]?.text || '';
}
break;
case 'scroll':
case 'wheel':
data.scrollTop = window.scrollY;
data.scrollLeft = window.scrollX;
data.deltaY = event.deltaY || 0;
data.deltaX = event.deltaX || 0;
break;
case 'focus':
case 'blur':
data.value = event.target.value || '';
break;
}
window.parent.postMessage({
type: 'c4a-recording-event',
event: data
}, '*');
};
const generateSelector = (element) => {
try {
if (element.id) return '#' + element.id;
if (element.className && typeof element.className === 'string') {
const classes = element.className.trim().split(/\\s+/);
if (classes.length > 0 && classes[0]) {
return '.' + classes[0];
}
}
// Generate nth-child selector
let path = [];
let currentElement = element;
while (currentElement && currentElement.nodeType === Node.ELEMENT_NODE) {
let selector = currentElement.nodeName.toLowerCase();
if (currentElement.id) {
selector = '#' + currentElement.id;
path.unshift(selector);
break;
} else {
let sibling = currentElement;
let nth = 1;
while (sibling.previousElementSibling) {
sibling = sibling.previousElementSibling;
if (sibling.nodeName === currentElement.nodeName) nth++;
}
if (nth > 1) selector += ':nth-child(' + nth + ')';
}
path.unshift(selector);
currentElement = currentElement.parentNode;
}
return path.join(' > ') || element.nodeName.toLowerCase();
} catch (e) {
return element.nodeName.toLowerCase();
}
};
// Store event handlers for cleanup
window.__c4aEventHandlers = {};
// Attach event listeners
const events = ['click', 'dblclick', 'contextmenu', 'keydown', 'keyup',
'input', 'change', 'scroll', 'wheel', 'focus', 'blur'];
events.forEach(eventType => {
const handler = (e) => captureEvent(eventType, e);
window.__c4aEventHandlers[eventType] = handler;
document.addEventListener(eventType, handler, true);
});
// Cleanup function
window.__c4aCleanupRecording = () => {
events.forEach(eventType => {
const handler = window.__c4aEventHandlers[eventType];
if (handler) {
document.removeEventListener(eventType, handler, true);
}
});
delete window.__c4aRecordingActive;
delete window.__c4aCleanupRecording;
delete window.__c4aEventHandlers;
};
})();
`;
const scriptEl = iframe.contentDocument.createElement('script');
scriptEl.textContent = script;
iframe.contentDocument.body.appendChild(scriptEl);
scriptEl.remove();
this.eventInjected = true;
}
removeEventCapture() {
if (!this.eventInjected) return;
const iframe = document.getElementById('playground-frame');
iframe.contentWindow.eval('if (window.__c4aCleanupRecording) window.__c4aCleanupRecording();');
this.eventInjected = false;
}
handleRecordedEvent(event) {
const now = Date.now();
const timeSinceStart = ((now - this.startTime) / 1000).toFixed(1);
// Add time since last event
event.timeSinceStart = timeSinceStart;
event.timeSinceLast = now - this.lastEventTime;
this.lastEventTime = now;
this.rawEvents.push(event);
// Real-time processing for immediate feedback
if (event.type === 'keydown' && this.shouldGroupKeystrokes(event)) {
this.keyBuffer.push(event);
// Clear existing timeout
if (this.keyBufferTimeout) {
clearTimeout(this.keyBufferTimeout);
}
// Set timeout to flush buffer after 500ms of no typing
this.keyBufferTimeout = setTimeout(() => {
this.flushKeyBuffer();
this.updateTimeline();
}, 500);
} else {
// Handle change events for select, checkbox, radio
if (event.type === 'change') {
const tagName = event.targetTag?.toLowerCase();
// Only skip change events for text inputs (they're part of typing)
if (tagName === 'input' &&
event.targetType !== 'checkbox' &&
event.targetType !== 'radio') {
return; // Skip text input change events
}
// For select, checkbox, radio - process the change event
if (tagName === 'select' ||
(tagName === 'input' && (event.targetType === 'checkbox' || event.targetType === 'radio'))) {
// Flush any pending keystrokes first
if (this.keyBuffer.length > 0) {
this.flushKeyBuffer();
this.updateTimeline();
}
// Create SET command for the value change
const command = this.eventToCommand(event, this.rawEvents.length - 1);
if (command) {
this.groupedEvents.push(command);
this.updateTimeline();
}
return;
}
}
// Skip input events - they're part of typing
if (event.type === 'input') {
return;
}
// Clear timeout if exists
if (this.keyBufferTimeout) {
clearTimeout(this.keyBufferTimeout);
this.keyBufferTimeout = null;
}
// Flush key buffer only for significant events
const shouldFlushBuffer = event.type === 'click' ||
event.type === 'dblclick' ||
event.type === 'contextmenu' ||
event.type === 'scroll' ||
event.type === 'wheel';
const hadKeyBuffer = this.keyBuffer.length > 0;
if (shouldFlushBuffer && hadKeyBuffer) {
this.flushKeyBuffer();
this.updateTimeline();
}
// Process this event immediately if it's not a typing-related event
if (event.type !== 'keydown' && event.type !== 'keyup' &&
event.type !== 'input' && event.type !== 'change' &&
event.type !== 'focus' && event.type !== 'blur') {
const command = this.eventToCommand(event, this.rawEvents.length - 1);
if (command) {
// Check if it's a scroll event that should be accumulated
if (command.type === 'SCROLL') {
// Remove previous scroll events in the same direction
this.groupedEvents = this.groupedEvents.filter(e =>
!(e.type === 'SCROLL' && e.direction === command.direction &&
parseFloat(e.time) > parseFloat(command.time) - 0.5)
);
}
this.groupedEvents.push(command);
this.updateTimeline();
}
}
}
}
shouldGroupKeystrokes(event) {
// Skip if no key
if (!event.key) return false;
// Group printable characters, space, and common typing keys
return (
event.key.length === 1 || // Single characters
event.key === ' ' || // Space
event.key === 'Enter' || // Enter key
event.key === 'Tab' || // Tab key
event.key === 'Backspace' || // Backspace
event.key === 'Delete' // Delete
);
}
flushKeyBuffer() {
if (this.keyBuffer.length === 0) return;
// Build the text, handling special keys
const text = this.keyBuffer.map(e => {
switch(e.key) {
case ' ': return ' ';
case 'Enter': return '\n';
case 'Tab': return '\t';
case 'Backspace': return ''; // Skip backspace in final text
case 'Delete': return ''; // Skip delete in final text
default: return e.key;
}
}).join('');
// Don't create empty TYPE commands
if (text.length === 0) {
this.keyBuffer = [];
return;
}
const firstEvent = this.keyBuffer[0];
const lastEvent = this.keyBuffer[this.keyBuffer.length - 1];
// Mark all keystroke events as processed
this.keyBuffer.forEach(event => {
const index = this.rawEvents.indexOf(event);
if (index !== -1) {
this.processedEventIndices.add(index);
}
});
// Check if this should be a SET command instead of TYPE
// Look for a click event just before the first keystroke
const firstKeystrokeIndex = this.rawEvents.indexOf(firstEvent);
let commandType = 'TYPE';
if (firstKeystrokeIndex > 0) {
const prevEvent = this.rawEvents[firstKeystrokeIndex - 1];
if (prevEvent && prevEvent.type === 'click' &&
prevEvent.targetSelector === firstEvent.targetSelector) {
// This looks like a SET pattern
commandType = 'SET';
// Mark the click event as processed too
this.processedEventIndices.add(firstKeystrokeIndex - 1);
}
}
// Check if we already have a TYPE command for this exact text at this time
// This prevents duplicates when the buffer is flushed multiple times
const existingCommand = this.groupedEvents.find(cmd =>
cmd.type === commandType &&
cmd.value === text &&
cmd.time === firstEvent.timeSinceStart
);
if (!existingCommand) {
this.groupedEvents.push({
type: commandType,
selector: firstEvent.targetSelector,
value: text,
time: firstEvent.timeSinceStart,
duration: lastEvent.timestamp - firstEvent.timestamp,
raw: [...this.keyBuffer] // Make a copy to avoid reference issues
});
}
this.keyBuffer = [];
}
processEvents() {
// Clear any pending timeouts
if (this.keyBufferTimeout) {
clearTimeout(this.keyBufferTimeout);
this.keyBufferTimeout = null;
}
// Flush any remaining buffers
this.flushKeyBuffer();
// Don't reprocess events that were already grouped during recording
// Just apply final optimizations
this.optimizeEvents();
this.updateTimeline();
}
eventToCommand(event, index) {
// Skip already processed events
if (this.processedEventIndices.has(index)) {
return null;
}
// Skip events that should only be processed as grouped commands
if (event.type === 'keydown' || event.type === 'keyup' ||
event.type === 'input' || event.type === 'focus' || event.type === 'blur') {
return null;
}
// Allow change events for select, checkbox, radio
if (event.type === 'change') {
const tagName = event.targetTag?.toLowerCase();
if (tagName === 'select' ||
(tagName === 'input' && (event.targetType === 'checkbox' || event.targetType === 'radio'))) {
// Process as SET command
} else {
return null; // Skip change events for text inputs
}
}
switch (event.type) {
case 'click':
// Check if followed by input focus or change event
const nextEvent = this.rawEvents[index + 1];
if (nextEvent && nextEvent.targetSelector === event.targetSelector) {
if (nextEvent.type === 'focus' || nextEvent.type === 'change') {
return null; // Skip, will be handled by SET or change event
}
}
// Also check if this is a click on a select element
if (event.targetTag?.toLowerCase() === 'select') {
// Look ahead for a change event
for (let i = index + 1; i < Math.min(index + 5, this.rawEvents.length); i++) {
if (this.rawEvents[i].type === 'change' &&
this.rawEvents[i].targetSelector === event.targetSelector) {
return null; // Skip click, change event will handle it
}
}
}
return {
type: 'CLICK',
selector: event.targetSelector,
time: event.timeSinceStart
};
case 'dblclick':
return {
type: 'DOUBLE_CLICK',
selector: event.targetSelector,
time: event.timeSinceStart
};
case 'contextmenu':
return {
type: 'RIGHT_CLICK',
selector: event.targetSelector,
time: event.timeSinceStart
};
case 'scroll':
case 'wheel':
// Accumulate scroll events
if (event.deltaY !== 0) {
const direction = event.deltaY > 0 ? 'DOWN' : 'UP';
const amount = Math.abs(event.deltaY);
if (this.scrollAccumulator.direction === direction &&
event.timestamp - this.scrollAccumulator.startTime < 500) {
this.scrollAccumulator.amount += amount;
} else {
this.scrollAccumulator = { direction, amount, startTime: event.timestamp };
}
// Return accumulated scroll at end of sequence
const nextEvent = this.rawEvents[index + 1];
if (!nextEvent || nextEvent.type !== 'scroll' ||
nextEvent.timestamp - event.timestamp > 500) {
return {
type: 'SCROLL',
direction: this.scrollAccumulator.direction,
amount: Math.round(this.scrollAccumulator.amount),
time: event.timeSinceStart
};
}
}
return null;
// Input events are handled through keystroke grouping
case 'input':
return null;
case 'change':
// Handle select, checkbox, radio changes
const tagName = event.targetTag?.toLowerCase();
if (tagName === 'select') {
return {
type: 'SET',
selector: event.targetSelector,
value: event.value,
displayValue: event.selectedText || event.value,
time: event.timeSinceStart
};
} else if (tagName === 'input' && event.targetType === 'checkbox') {
return {
type: 'SET',
selector: event.targetSelector,
value: event.checked ? 'checked' : 'unchecked',
time: event.timeSinceStart
};
} else if (tagName === 'input' && event.targetType === 'radio') {
return {
type: 'SET',
selector: event.targetSelector,
value: 'checked',
time: event.timeSinceStart
};
}
return null;
}
return null;
}
optimizeEvents() {
const optimized = [];
let lastTime = 0;
this.groupedEvents.forEach((event, index) => {
// Insert WAIT if pause > 1 second
const currentTime = parseFloat(event.time);
if (currentTime - lastTime > 1) {
optimized.push({
type: 'WAIT',
value: Math.round(currentTime - lastTime),
time: lastTime.toFixed(1)
});
}
optimized.push(event);
lastTime = currentTime;
});
this.groupedEvents = optimized;
}
updateTimeline() {
const timeline = document.getElementById('timeline-events');
timeline.innerHTML = '';
this.groupedEvents.forEach((event, index) => {
const eventEl = this.createEventElement(event, index);
timeline.appendChild(eventEl);
});
}
createEventElement(event, index) {
const div = document.createElement('div');
div.className = 'timeline-event';
div.dataset.index = index;
const checkbox = document.createElement('input');
checkbox.type = 'checkbox';
checkbox.className = 'event-checkbox';
checkbox.checked = true;
checkbox.addEventListener('change', () => {
div.classList.toggle('selected', checkbox.checked);
});
const time = document.createElement('span');
time.className = 'event-time';
time.textContent = event.time + 's';
const command = document.createElement('span');
command.className = 'event-command';
command.innerHTML = this.formatCommand(event);
const editBtn = document.createElement('button');
editBtn.className = 'event-edit';
editBtn.textContent = 'Edit';
editBtn.addEventListener('click', () => this.editEvent(index));
div.appendChild(checkbox);
div.appendChild(time);
div.appendChild(command);
div.appendChild(editBtn);
// Initially selected
div.classList.add('selected');
return div;
}
formatCommand(event) {
switch (event.type) {
case 'CLICK':
return `<span class="cmd-name">CLICK</span> <span class="cmd-selector">\`${event.selector}\`</span>`;
case 'DOUBLE_CLICK':
return `<span class="cmd-name">DOUBLE_CLICK</span> <span class="cmd-selector">\`${event.selector}\`</span>`;
case 'RIGHT_CLICK':
return `<span class="cmd-name">RIGHT_CLICK</span> <span class="cmd-selector">\`${event.selector}\`</span>`;
case 'TYPE':
return `<span class="cmd-name">TYPE</span> <span class="cmd-value">"${event.value}"</span> <span class="cmd-detail">(${event.value.length} chars)</span>`;
case 'SET':
// Use displayValue if available (for select elements)
const displayText = event.displayValue || event.value;
return `<span class="cmd-name">SET</span> <span class="cmd-selector">\`${event.selector}\`</span> <span class="cmd-value">"${displayText}"</span>`;
case 'SCROLL':
return `<span class="cmd-name">SCROLL</span> <span class="cmd-value">${event.direction} ${event.amount}</span>`;
case 'WAIT':
return `<span class="cmd-name">WAIT</span> <span class="cmd-value">${event.value}</span>`;
default:
return `<span class="cmd-name">${event.type}</span>`;
}
}
editEvent(index) {
const event = this.groupedEvents[index];
this.currentEditIndex = index;
// Show modal
const overlay = document.getElementById('event-editor-overlay');
const modal = document.getElementById('event-editor-modal');
overlay.classList.remove('hidden');
modal.classList.remove('hidden');
// Populate fields
document.getElementById('edit-command-type').value = event.type;
// Show/hide fields based on command type
const selectorField = document.getElementById('edit-selector-field');
const valueField = document.getElementById('edit-value-field');
const directionField = document.getElementById('edit-direction-field');
selectorField.classList.add('hidden');
valueField.classList.add('hidden');
directionField.classList.add('hidden');
switch (event.type) {
case 'CLICK':
case 'DOUBLE_CLICK':
case 'RIGHT_CLICK':
selectorField.classList.remove('hidden');
document.getElementById('edit-selector').value = event.selector;
break;
case 'TYPE':
valueField.classList.remove('hidden');
document.getElementById('edit-value').value = event.value;
break;
case 'SET':
selectorField.classList.remove('hidden');
valueField.classList.remove('hidden');
document.getElementById('edit-selector').value = event.selector;
document.getElementById('edit-value').value = event.value;
break;
case 'SCROLL':
directionField.classList.remove('hidden');
valueField.classList.remove('hidden');
document.getElementById('edit-direction').value = event.direction;
document.getElementById('edit-value').value = event.amount;
break;
case 'WAIT':
valueField.classList.remove('hidden');
document.getElementById('edit-value').value = event.value;
break;
}
// Setup event handlers
this.setupEditModalHandlers();
}
setupEditModalHandlers() {
const overlay = document.getElementById('event-editor-overlay');
const modal = document.getElementById('event-editor-modal');
const cancelBtn = document.getElementById('edit-cancel');
const saveBtn = document.getElementById('edit-save');
const closeModal = () => {
overlay.classList.add('hidden');
modal.classList.add('hidden');
};
const saveHandler = () => {
const event = this.groupedEvents[this.currentEditIndex];
// Update event based on type
switch (event.type) {
case 'CLICK':
case 'DOUBLE_CLICK':
case 'RIGHT_CLICK':
event.selector = document.getElementById('edit-selector').value;
break;
case 'TYPE':
event.value = document.getElementById('edit-value').value;
break;
case 'SET':
event.selector = document.getElementById('edit-selector').value;
event.value = document.getElementById('edit-value').value;
break;
case 'SCROLL':
event.direction = document.getElementById('edit-direction').value;
event.amount = parseInt(document.getElementById('edit-value').value) || 0;
break;
case 'WAIT':
event.value = parseInt(document.getElementById('edit-value').value) || 0;
break;
}
// Update timeline
this.updateTimeline();
closeModal();
};
// Clean up old handlers
cancelBtn.replaceWith(cancelBtn.cloneNode(true));
saveBtn.replaceWith(saveBtn.cloneNode(true));
overlay.replaceWith(overlay.cloneNode(true));
// Add new handlers
document.getElementById('edit-cancel').addEventListener('click', closeModal);
document.getElementById('edit-save').addEventListener('click', saveHandler);
document.getElementById('event-editor-overlay').addEventListener('click', closeModal);
}
selectAllEvents() {
const checkboxes = document.querySelectorAll('.event-checkbox');
const events = document.querySelectorAll('.timeline-event');
checkboxes.forEach((cb, i) => {
cb.checked = true;
events[i].classList.add('selected');
});
}
clearEvents() {
this.groupedEvents = [];
this.updateTimeline();
}
generateScript() {
const selectedEvents = [];
const checkboxes = document.querySelectorAll('.event-checkbox');
checkboxes.forEach((cb, index) => {
if (cb.checked && this.groupedEvents[index]) {
selectedEvents.push(this.groupedEvents[index]);
}
});
if (selectedEvents.length === 0) {
this.app.addConsoleMessage('No events selected', 'warning');
return;
}
const script = selectedEvents.map(event => this.eventToC4A(event)).join('\n');
// Set the script in the editor
this.app.editor.setValue(script);
this.app.addConsoleMessage(`Generated ${selectedEvents.length} commands`, 'success');
// Switch back to editor view
this.hideTimeline();
}
eventToC4A(event) {
switch (event.type) {
case 'CLICK':
return `CLICK \`${event.selector}\``;
case 'DOUBLE_CLICK':
return `DOUBLE_CLICK \`${event.selector}\``;
case 'RIGHT_CLICK':
return `RIGHT_CLICK \`${event.selector}\``;
case 'TYPE':
return `TYPE "${event.value}"`;
case 'SET':
return `SET \`${event.selector}\` "${event.value}"`;
case 'SCROLL':
return `SCROLL ${event.direction} ${event.amount}`;
case 'WAIT':
return `WAIT ${event.value}`;
default:
return `# Unknown: ${event.type}`;
}
}
}
// Initialize when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
window.tutorialApp = new TutorialApp();