* LLM provider based on the current configuration.
 */
public class LlmClientManager {

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

    /** The list of registered LLM clients. */
    protected final List<LlmClient> clientList = new CopyOnWriteArrayList<>();

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

    /**

        if (!fessConfig.isRagChatEnabled()) {
            return false;
        }
        if (!ComponentUtil.hasComponent("llmClientManager")) {
            return false;
        }
        final LlmClientManager llmClientManager = ComponentUtil.getComponent("llmClientManager");
        return llmClientManager.getClients().length > 0;
    }

    private List<Map<String, String>> getRagLlmNameItems() {

	<component name="markdownRenderer" class="org.codelibs.fess.helper.MarkdownRenderer">
		<postConstruct name="init"/>
	</component>

	<!-- LLM client manager -->
	<component name="llmClientManager" class="org.codelibs.fess.llm.LlmClientManager">
	</component>

	<!-- LLM client components are provided by fess-llm-* plugins via fess_llm++.xml -->

    @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. */
    @Resource
    protected MarkdownRenderer markdownRenderer;

    /**
     * Default constructor.
     */

    }

    // --- Shared infrastructure ---

    /**
     * Registers this client with the LlmClientManager.
     * Called via postConstruct before init().
     */
    public void register() {
        if (ComponentUtil.hasComponent("llmClientManager")) {
            ComponentUtil.getComponent(LlmClientManager.class).register(this);
        }
    }

    /**