logger.info("[RAG:INTENT] Intent detected. intent={}, query={}, elapsedTime={}ms", result.getIntent(), result.getQuery(),
                    System.currentTimeMillis() - startTime);
            if (logger.isDebugEnabled()) {
                logger.debug("[RAG:INTENT] Intent detection completed. intent={}, query={}, reasoning={}, elapsedTime={}ms",

                    session.getSessionId(), e.getErrorCode(), e.getMessage(), System.currentTimeMillis() - startTime, e);
            callback.onError("llm", e.getErrorCode());
            throw e;
        } catch (final Exception e) {
            logger.warn("[RAG] Unexpected error during enhanced chat. sessionId={}, error={}, elapsedTime={}ms", session.getSessionId(),

            logger.warn("[LLM] Chat request failed. llmType={}, error={}, elapsedTime={}ms", llmType, e.getMessage(),
                    System.currentTimeMillis() - startTime);
            throw e;
        } catch (final Exception e) {
            logger.warn("[LLM] Chat request failed with unexpected error. llmType={}, error={}, elapsedTime={}ms", llmType, e.getMessage(),
                    System.currentTimeMillis() - startTime, e);

            });
            resultBuf.append("Exported ").append(count).append(" documents.");
            if (logger.isInfoEnabled()) {
                logger.info("[EXPORT] Completed: exportedCount={}, elapsedTime={}ms", count, System.currentTimeMillis() - startTime);
            }
        } catch (final Exception e) {
            logger.warn("Failed to export documents.", e);

                final long elapsedTime = System.currentTimeMillis() - startTime;
                if (logger.isDebugEnabled()) {
                    logger.debug(
                            "[scheduleParentGroupLookup] Async task completed for user: {}. Final groups: {}, Final roles: {}, Elapsed time: {}ms",
                            user.getName(), finalGroups.length, finalRoles.length, elapsedTime);