/**
 * Fess RAG Chat JavaScript
 * Enhanced with Atlassian Design System patterns
 */
var FessChat = (function() {
    'use strict';

    var config = {
        apiUrl: '/api/v1/chat',
        streamUrl: '/api/v1/chat/stream',
        labels: {
            thinking: 'Thinking...',
            waiting: '...',
            error: 'An error occurred. Please try again.',
            sources: 'Sources',
            statusReady: 'AI Assistant',