*
 * @author FessProject
 */
public class ChatSessionManager {

    private static final Logger logger = LogManager.getLogger(ChatSessionManager.class);

    private final Map<String, ChatSession> sessionCache = new ConcurrentHashMap<>();
    private TimeoutTask cleanupTask;

    /**
     * Default constructor.
     */
    public ChatSessionManager() {
        // Default constructor
    }

    /**

    /** The chat client for handling chat operations. */
    @Resource
    protected ChatClient chatClient;

    /** The session manager for managing chat sessions. */
    @Resource
    protected ChatSessionManager chatSessionManager;

    /**
     * Displays the chat page.
     *
     * @return the HTML response for the chat page, or redirects to search if chat is not available
     */
    @Execute

import org.codelibs.core.misc.DynamicProperties;
import org.codelibs.fess.api.WebApiManagerFactory;
import org.codelibs.fess.auth.AuthenticationManager;
import org.codelibs.fess.chat.ChatClient;
import org.codelibs.fess.chat.ChatSessionManager;
import org.codelibs.fess.cors.CorsHandlerFactory;
import org.codelibs.fess.crawler.client.CrawlerClientCreator;
import org.codelibs.fess.crawler.client.CrawlerClientFactory;

 */
public class ChatClient {

    private static final Logger logger = LogManager.getLogger(ChatClient.class);

    /** The session manager for managing chat sessions. */
    @Resource
    protected ChatSessionManager chatSessionManager;

    /** The LLM client manager for language model interactions. */
    @Resource
    protected LlmClientManager llmClientManager;

    /** The markdown renderer for converting markdown to safe HTML. */