final List<LlmMessage> messages = request.getMessages();
        // system + user = 2 messages
        assertEquals(2, messages.size());
        assertEquals("system", messages.get(0).getRole());
        assertEquals("user", messages.get(1).getRole());
        assertTrue(messages.get(1).getContent().contains("What is Fess?"));
        assertTrue(messages.get(1).getContent().contains("<user_input>"));
    }

        private final String sessionId;
        private final ChatMessage message;
        private final List<Map<String, Object>> sources;

        /**
         * Creates a new chat result.
         *
         * @param sessionId the session ID
         * @param message the chat message
         * @param sources the list of source documents
         */

     * @param budgetChars the maximum total characters for history messages
     */
    protected void addHistoryWithBudget(final LlmChatRequest request, final List<LlmMessage> history, final int budgetChars) {
        if (history.isEmpty()) {
            return;
        }

        // Build turn list: group adjacent user-assistant pairs as turns, standalone messages as single-message turns
        final List<int[]> turns = new ArrayList<>();

labels.chat_phase_search=Searching for __keywords__...
labels.chat_phase_evaluate=Reviewing search results...
labels.chat_phase_fetch=Retrieving documents...
labels.chat_phase_answer=Generating answer...
labels.chat_messages_area=Chat messages
labels.chat_welcome_title=Ask and Discover.
labels.chat_welcome_description=Ask questions and I'll search through documents to find the answers you need.
labels.chat_step_intent=Analyze
labels.chat_step_search=Search

            return buf.toString();
        };
        final String message;
        if (Constants.TRUE.equalsIgnoreCase(ComponentUtil.getFessConfig().getApiJsonResponseExceptionIncluded())) {
            message = escapeJsonKeyValue(MESSAGE_FIELD, stacktraceString.get());
        } else {
            final String errorCode = UUID.randomUUID().toString();
            message = escapeJsonKeyValue("error_code:", errorCode);

labels.chat_phase_evaluate=Vérification des résultats...
labels.chat_phase_fetch=Récupération des documents...
labels.chat_phase_answer=Génération de la réponse...
labels.chat_messages_area=Messages du chat
labels.chat_welcome_title=Demandez, Trouvez.
labels.chat_welcome_description=Posez des questions et je rechercherai dans les documents pour trouver les réponses.
labels.chat_step_intent=Analyse

labels.chat_phase_search=Searching for __keywords__...
labels.chat_phase_evaluate=Reviewing search results...
labels.chat_phase_fetch=Retrieving documents...
labels.chat_phase_answer=Generating answer...
labels.chat_messages_area=Chat messages
labels.chat_welcome_title=Ask and Discover.
labels.chat_welcome_description=Ask questions and I'll search through documents to find the answers you need.
labels.chat_step_intent=Analyze
labels.chat_step_search=Search

log.notification.max.display.events=50
# Maximum length of each log message in notification.
log.notification.max.message.length=200
# Maximum number of events to fetch from search engine per notification job.
log.notification.search.size=1000
# Maximum number of events to buffer in memory.
log.notification.buffer.size=1000
# Interval (seconds) for the notification job cycle, used in notification messages.

labels.searchlog_log_type_search_reqtimeavg_day=Tempo médio de solicitação/dia
labels.searchlog_log_type_click_count=Número de cliques
labels.searchlog_log_type_favorite_count=Número de favoritos
labels.searchlog_log_message=Mensagem
labels.searchlog_requested_time=Hora
labels.searchlog_value=Valor
labels.searchlog_count=Número
labels.searchlog_configuration_details=Detalhes do log
labels.searchlog_configuration_link_top=Log de pesquisa

    protected static final String HL_CACHE = "hl_cache";

    /** Cache key for search queries */
    protected static final String QUERIES = "queries";

    /** Cache key for cache message */
    protected static final String CACHE_MSG = "cache_msg";

    /** Pattern for matching local file paths */
    protected static final Pattern LOCAL_PATH_PATTERN = Pattern.compile("^file:/+[a-zA-Z]:");