final String sessionId = "session123";
        indexUpdater.addFinishedSessionId(sessionId);
        assertTrue(indexUpdater.finishedSessionIdList.contains(sessionId));
    }

    // Test addFinishedSessionId with multiple sessions
    @Test
    public void test_addFinishedSessionId_multiple() {
        indexUpdater.addFinishedSessionId("session1");

        session.setSessionId("session-456");
        session.setUserId("user-789");
        session.setCreatedAt(createdAt);
        session.setLastAccessedAt(lastAccessedAt);
        session.setMessages(messages);

        assertEquals("session-456", session.getSessionId());
        assertEquals("user-789", session.getUserId());
        assertEquals(createdAt, session.getCreatedAt());

        };
        ComponentUtil.register(client, "searchEngineClient");

        final String sessionId = "session1";

        assertEquals(1, indexingHelper.deleteBySessionId(sessionId));
        assertEquals("fess.update", resultMap.get("index"));
        assertEquals("segment", resultMap.get("field"));
        assertEquals(sessionId, resultMap.get("value"));
    }

    @Test
    public void test_deleteByConfigId() {

     * @return the session, or null if not found or expired
     */
    public ChatSession getSession(final String sessionId) {
        final ChatSession session = findSession(sessionId);
        if (session == null) {
            return null;
        }
        session.touch();
        if (logger.isDebugEnabled()) {
            logger.debug("Session retrieved. sessionId={}, messageCount={}", sessionId, session.getMessages().size());

    }

    /**
     * Extracts the canonical session ID by removing any suffix after the first hyphen.
     * If the session ID contains a hyphen, returns the portion before the first hyphen.
     * Otherwise, returns the original session ID.
     *
     * @param sessionId the session ID to process
     * @return the canonical session ID (portion before first hyphen, or original if no hyphen)
     */

        if (options.sessionId != null) {
            options.sessionId = options.sessionId.replaceAll("-", "_");
        }

        // Check that sessionId was sanitized (hyphens replaced with underscores)
        assertEquals("test_session_123", options.sessionId);
    }

    @Test
    public void test_process_withPropertiesPath() throws Exception {

    }

    /**
     * Retrieves the parameters from the most recent crawling session for a given session ID.
     * Returns an empty list if no crawling information is found for the session.
     *
     * @param sessionId the session identifier to find the latest crawling parameters for
     * @return a list of CrawlingInfoParam entities from the latest session, or empty list if none found
     */

     * Removes URL filters, URL queues, and access result data for the session.
     *
     * @param sessionId the session ID whose data should be deleted
     */
    private void deleteBySessionId(final String sessionId) {
        try {
            urlFilterService.delete(sessionId);
        } catch (final Exception e) {
            logger.warn("Failed to delete UrlFilter: sessionId={}", sessionId, e);

    }

    /**
     * Clears the chat session.
     *
     * @param form the chat form containing the session ID to clear
     * @return the HTML response redirecting to the chat page
     */
    @Execute
    public HtmlResponse clear(final ChatForm form) {
        if (form.sessionId != null) {
            if (logger.isDebugEnabled()) {
                logger.debug("Clearing chat session. sessionId={}", form.sessionId);

            assertNotNull(jobProcess2);

            // Wait for second process to be running
            Thread.sleep(100);
            assertTrue(processHelper.isProcessRunning(sessionId));

            // Verify we still have only one process for this session
            Set<String> sessionIds = processHelper.getRunningSessionIdSet();