@Test
    @DisplayName("Test session finalization")
    public void testSessionFinalization() throws CIFSException {
        String sessionId = "test-session-4";
        byte[] salt = preauthService.generatePreauthSalt();

        preauthService.initializeSession(sessionId, salt, PreauthIntegrityService.HASH_ALGO_SHA512);
        assertNotNull(preauthService.getCurrentPreauthHash(sessionId));

    /**
     * Get the current version of a session key
     *
     * @param sessionId the session ID
     * @return the key version, or 0 if not versioned
     */
    public int getKeyVersion(String sessionId) {
        return keyVersions.getOrDefault(sessionId, 0);
    }

    /**
     * Get key age in milliseconds
     *
     * @param sessionId the session ID
     * @return age in milliseconds, or -1 if unknown

            crawler2.getCrawlerContext().setNumOfThread(numOfThread);

            final String sessionId1 = crawler1.execute();
            final String sessionId2 = crawler2.execute();

            assertNotSame(sessionId1, sessionId2);
            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

            // Wait for both crawlers to start with polling

    /**
     * Test multiple initializations with same session ID
     */
    public void test_multipleInit_sameSessionId() {
        String sessionId = "test-session-017";

        // First initialization
        urlFilter.init(sessionId);
        urlFilter.addInclude("https://first.com/.*");

        // Second initialization with same session ID
        urlFilter.init(sessionId);

    }

    /**
     * Gets the session ID associated with this encrypted message
     *
     * @return the session ID
     */
    public long getSessionId() {
        return this.sessionId;
    }

    /**
     * Sets the session ID for this encrypted message
     *
     * @param sessionId
     *            the session ID to set
     */

            crawler2.getCrawlerContext().setNumOfThread(numOfThread);

            final String sessionId1 = crawler1.execute();
            final String sessionId2 = crawler2.execute();

            assertNotSame(sessionId1, sessionId2);
            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

            // Wait for both crawlers to start with polling

        assertArrayEquals(testKey, rawKey2, "Should still match original");
    }

    @Test
    public void testRemoveSessionKey() {
        String sessionId = "test-session-3";
        keyManager.storeSessionKey(sessionId, testKey, "AES");

        assertTrue(keyManager.hasSessionKey(sessionId), "Key should exist");

        keyManager.removeSessionKey(sessionId);

crawler1.setSessionId("session1");
crawler1.addUrl("https://site1.com");

Crawler crawler2 = container.getComponent("crawler");  
crawler2.setSessionId("session2");
crawler2.addUrl("https://site2.com");

// Execute concurrently
crawler1.setBackground(true);
crawler2.setBackground(true);

String sessionId1 = crawler1.execute();
String sessionId2 = crawler2.execute();

        // Generate unique session ID for key management
        this.sessionId = String.format("smb-enc-%d-%d", System.currentTimeMillis(), secureRandom.nextLong());

        if (keyManager != null) {
            // Store keys securely
            String encKeyId = sessionId + "-enc";
            String decKeyId = sessionId + "-dec";

            crawler2.getCrawlerContext().setNumOfThread(numOfThread);

            final String sessionId1 = crawler1.execute();
            final String sessionId2 = crawler2.execute();

            assertNotSame(sessionId1, sessionId2);
            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

            for (int i = 0; i < 100; i++) {