@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);
        }
    }

    /**