import org.codelibs.fess.unit.UnitFessTestCase;
import org.codelibs.fess.util.ComponentUtil;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.TestInfo;

/**
 * Tests for ChatClient's extractHistory and buildAssistantHistoryContent methods.
 * Verifies correct behavior across all assistant content modes (full, source_titles,
 * source_titles_and_urls, truncated, none).
 */
public class ChatClientTest extends UnitFessTestCase {

            if (msg.isUser()) {
                history.add(LlmMessage.user(msg.getContent()));
            } else if (msg.isAssistant()) {
                final String content = buildAssistantHistoryContent(msg, assistantContentMode, assistantMaxChars, summaryMaxChars);
                if (content != null) {
                    history.add(LlmMessage.assistant(content));
                }
            }
        }