// Fallback: truncate the newest message to fit
            final LlmMessage newest = history.get(history.size() - 1);
            final String truncated = newest.getContent().substring(0, Math.min(budgetChars, newest.getContent().length()));
            request.addMessage(new LlmMessage(newest.getRole(), truncated));
            if (logger.isDebugEnabled()) {

        if (content.length() <= bodyBudget) {
            return content + suffix;
        }
        if (bodyBudget <= 0) {
            return suffix.isEmpty() ? content.substring(0, Math.min(content.length(), maxChars)) : suffix;
        }
        final int headChars = (int) (bodyBudget * 0.6);
        final int tailChars = bodyBudget - headChars;
        final String head = content.substring(0, headChars);

labels.badWordFile=Bad Word File
labels.urlExpr=Condition
labels.boostExpr=Boost Expression
labels.confirmPassword=Confirm
labels.crawler=Crawler
labels.crudMode=Mode
labels.errorCountMax=Max Error Count
labels.errorCountMin=Min Error Count
labels.facet=Facet
labels.geo=Geo
labels.groups=Groups
labels.hash=Hash
labels.maxSize=Max Size
labels.order=Order
labels.purgeSuggestSearchLogDay=Delete old suggest info
labels.q=Query

    /** The key of the message: Max Error Count */
    public static final String LABELS_ERROR_COUNT_MAX = "{labels.errorCountMax}";

    /** The key of the message: Min Error Count */
    public static final String LABELS_ERROR_COUNT_MIN = "{labels.errorCountMin}";

    /** The key of the message: Facet */
    public static final String LABELS_FACET = "{labels.facet}";