userMessage);
                return IntentDetectionResult.fallbackSearch(userMessage);
            }
            final IntentDetectionResult result = parseIntentResponse(response.getContent(), userMessage);

     * @param userMessage the user's message
     * @param userId the user ID (can be null for anonymous users)
     * @return the chat response including session info and sources
     */
    public ChatResult chat(final String sessionId, final String userMessage, final String userId) {
        return chat(sessionId, userMessage, userId, Collections.emptyMap(), new String[0]);
    }

    /**

            final LlmChatRequest request = new LlmChatRequest();
            request.addSystemMessage(buildIntentDetectionSystemPrompt());
            if (history != null) {
                addIntentHistory(request, history);
            }
            request.addUserMessage(wrapUserInput(userMessage));
            return request;
        }