assertTrue(CrawlerStatus.DONE.equals(CrawlerStatus.DONE));

        // Different instances
        assertFalse(CrawlerStatus.INITIALIZING.equals(CrawlerStatus.RUNNING));
        assertFalse(CrawlerStatus.INITIALIZING.equals(CrawlerStatus.DONE));
        assertFalse(CrawlerStatus.RUNNING.equals(CrawlerStatus.DONE));

        // Null comparison
        assertFalse(CrawlerStatus.INITIALIZING.equals(null));

     */
    public void test_status() {
        assertEquals(CrawlerStatus.INITIALIZING, crawlerContext.getStatus());

        crawlerContext.setStatus(CrawlerStatus.RUNNING);
        assertEquals(CrawlerStatus.RUNNING, crawlerContext.getStatus());

        crawlerContext.setStatus(CrawlerStatus.DONE);
        assertEquals(CrawlerStatus.DONE, crawlerContext.getStatus());

        crawlerContext.setStatus(null);

                if (crawler1.crawlerContext.getStatus() == CrawlerStatus.RUNNING) {
                    break;
                }
                Thread.sleep(50);
            }
            assertEquals(CrawlerStatus.RUNNING, crawler1.crawlerContext.getStatus());
            for (int i = 0; i < 100; i++) {
                if (crawler2.crawlerContext.getStatus() == CrawlerStatus.RUNNING) {
                    break;
                }

            while (crawler.crawlerContext.getStatus() != CrawlerStatus.RUNNING && System.currentTimeMillis() - startTime < 5000) {
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }
            }
            assertEquals(CrawlerStatus.RUNNING, crawler.crawlerContext.getStatus());

            while (crawler.crawlerContext.getStatus() != CrawlerStatus.RUNNING && System.currentTimeMillis() - startTime < 5000) {
                try {
                    Thread.sleep(50);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }
            }
            assertEquals(CrawlerStatus.RUNNING, crawler.crawlerContext.getStatus());

```java
// Configure for background execution
crawler.setBackground(true);
String sessionId = crawler.execute();

// Check crawling status
while (crawler.crawlerContext.getStatus() == CrawlerStatus.RUNNING) {
    Thread.sleep(1000);
    System.out.println("Crawling in progress...");
}

// Wait for completion
crawler.awaitTermination();
System.out.println("Crawling completed");
```

 * and provides methods for logging messages using {@link LogHelper}.
 * </p>
 *
 * <p>
 * The crawling process continues until the crawler status is {@link CrawlerStatus#DONE} or the
 * {@link #isContinue(int)} method returns {@code false}.
 * </p>
 *
 */
public class CrawlerThread implements Runnable {
    /**
     * Constructs a new CrawlerThread.
     */