// Create: user, assistant, user, assistant, user, assistant (6 messages)
        session.addUserMessage("User 1");
        session.addAssistantMessage("Assistant 1");
        session.addUserMessage("User 2");
        session.addAssistantMessage("Assistant 2");
        session.addUserMessage("User 3");
        session.addAssistantMessage("Assistant 3");
        assertEquals(6, session.getMessageCount());

    public static final String ROLE_USER = "user";

    /** The role identifier for assistant messages. */
    public static final String ROLE_ASSISTANT = "assistant";

    /** The unique identifier for this message. */
    private String id;

    /** The role of the message sender (user or assistant). */
    private String role;

    /** The content of the message. */
    private String content;

        assertEquals("Q1", history.get(0).getContent());
        assertEquals("assistant", history.get(1).getRole());
        assertEquals("A1", history.get(1).getContent());
        assertEquals("user", history.get(2).getRole());
        assertEquals("Q2", history.get(2).getContent());
        assertEquals("assistant", history.get(3).getRole());
        assertEquals("A2", history.get(3).getContent());
    }

        labels: {
            thinking: 'Thinking...',
            waiting: '...',
            error: 'An error occurred. Please try again.',
            sources: 'Sources',
            statusReady: 'AI Assistant',
            statusThinking: 'Processing',
            statusError: 'Error',
            copied: 'Copied!',
            copyFailed: 'Copy failed',
            phases: {
                intent: 'Analyzing question...',

import org.lastaflute.web.ruts.process.ActionRuntime;
import org.lastaflute.web.ruts.renderer.JspHtmlRenderingProvider;

import jakarta.annotation.Resource;

/**
 * The framework assistant director for Fess.
 *
 * @author jflute
 */
public class FessFwAssistantDirector extends CachedFwAssistantDirector {

    // ===================================================================================

@keyframes message-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.chat-message.user {
    justify-content: flex-end;
}

.chat-message.assistant {
    justify-content: flex-start;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;

errors.design_file_is_unsupported_type = Ce type de fichier n'est pas pris en charge.
errors.failed_to_create_crawling_config_at_wizard = Échec de la création d'une configuration d'exploration dans un assistant.
errors.design_editor_disabled = Cette fonctionnalité est désactivée.
errors.not_found_on_file_system = Non trouvé. Cause : {0}

errors.design_file_is_unsupported_type = Este tipo de arquivo não é suportado.
errors.failed_to_create_crawling_config_at_wizard = Não foi possível criar a configuração de rastreamento no assistente.
errors.design_editor_disabled = Esta função está desabilitada.
errors.not_found_on_file_system = Não encontrado. Causa: {0}

    //                                                                           Attribute
    //                                                                           =========
    /** Login assistance helper for managing user authentication and session. */
    @Resource
    protected FessLoginAssist fessLoginAssist;

    /** Session manager for handling HTTP session operations. */
    @Resource