final String llmType = getLlmType();
        if (Constants.NONE.equals(llmType)) {
            if (logger.isTraceEnabled()) {
                logger.trace("[LLM] LLM not available. llmType=none");
            }
            return false;
        }
        if (!isRagChatEnabled()) {
            if (logger.isTraceEnabled()) {
                logger.trace("[LLM] LLM not available. ragChatEnabled=false");
            }

        if (!ragChatEnabled) {
            if (logger.isTraceEnabled()) {
                logger.trace("ChatApiManager.matches() returning false. ragChatEnabled={}", ragChatEnabled);
            }
            return false;
        }

        final String servletPath = request.getServletPath();
        final boolean matches = servletPath.startsWith(CHAT_API_PATH);
        if (logger.isTraceEnabled()) {

     * Checks if RAG chat is available.
     *
     * @return true if RAG chat is available
     */
    public boolean isAvailable() {
        final boolean available = llmClientManager.available();
        if (logger.isTraceEnabled()) {
            logger.trace("[RAG] ChatClient availability check. available={}", available);
        }
        return available;
    }

    /**
     * Performs a chat request with RAG.
     *