<p class="empty-state-description"><la:message key="labels.chat_welcome_description" /></p>
							</div>
						</div>
						<div id="progressIndicator" class="progress-indicator d-none" role="status" aria-live="polite">
							<div class="progress-steps">
								<div class="progress-step" data-phase="intent">
									<div class="step-icon"><i class="fa fa-lightbulb-o" aria-hidden="true"></i></div>

								<p class="empty-state-description"><la:message key="labels.chat_welcome_description" /></p>
							</div>
						</div>
						<div id="progressIndicator" class="progress-indicator d-none" role="status" aria-live="polite">
							<div class="progress-steps">
								<div class="progress-step" data-phase="intent">
									<div class="step-icon"><i class="fa fa-lightbulb-o" aria-hidden="true"></i></div>

    margin-bottom: 0.75rem;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem;
    min-width: 70px;
    opacity: 0.4;
    transition: all 0.3s ease;
}

.progress-step.active {
    opacity: 1;
}

.progress-step.completed {
    opacity: 0.7;
}

.progress-step .step-icon {
    width: 32px;
    height: 32px;

            }
        });
    }

    /**
     * Update progress message
     */
    function updateProgressMessage(message) {
        elements.progressMessage.text(message);
    }

    /**
     * Show progress indicator
     */
    function showProgressIndicator() {
        // Reset all steps
        $('.progress-step').removeClass('active completed');
        elements.progressMessage.text('');

    }

    /**
     * Performs the actual crawling operation for the provided data configurations.
     * This method manages the creation and execution of crawler threads,
     * monitors their progress, and handles cleanup operations.
     *
     * <p>The method:</p>
     * <ul>
     *   <li>Creates crawler threads for each data configuration</li>

m","h1","h2","h3","h4","h5","h6","head","header","hgroup","hr","html","i","img","input","ins","kbd","label","legend","li","main","map","mark","marquee","menu","menuitem","meter","nav","nobr","ol","optgroup","option","output","p","picture","pre","progress","q","rp","rt","ruby","s","samp","search","section","select","shadow","slot","small","source","spacer","span","strike","strong","style","sub","summary","sup","table","tbody","td","template","textarea","tfoot","th","thead","time","tr","track","tt...

     */
    protected BlockingQueue<Tuple3<String, String, String>> thumbnailTaskQueue;

    /**
     * Flag indicating whether thumbnail generation is currently in progress.
     */
    protected volatile boolean generating;

    private Thread thumbnailQueueThread;

    /**
     * Size of the thumbnail path cache.
     */
    protected int thumbnailPathCacheSize = 10;

            ingestFactory = ComponentUtil.getIngestFactory();
        }
    }

    /**
     * Destroys the IndexUpdater when the container is shutting down.
     * Stops all crawler instances if crawling is still in progress.
     */
    @PreDestroy
    public void destroy() {
        if (!finishCrawling) {
            if (logger.isInfoEnabled()) {
                logger.info("Stopping all crawlers.");
            }