if (content != null) {
                    history.add(LlmMessage.assistant(content));
                }
            }
        }
        return history;
    }

    /**
     * Builds the assistant message content for history based on the specified mode.
     *
     * @param msg the assistant chat message

        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...',

        return this;
    }

    /**
     * Adds an assistant message to the request.
     *
     * @param content the message content
     * @return this request for method chaining
     */
    public LlmChatRequest addAssistantMessage(final String content) {
        messages.add(LlmMessage.assistant(content));
        return this;
    }

    /**
     * Gets the messages in this request.

    /**
     * Gets the maximum characters for assistant message content in history.
     * The default returns 800. Override in subclasses for provider-specific tuning.
     *
     * @return the maximum characters
     */
    @Override
    public int getHistoryAssistantMaxChars() {
        return 800;
    }

    /**
     * Gets the maximum characters for assistant summary content in history.

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 {

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

        // Third invocation
        curtainFinallyHook.hook(assistantDirector);

        // All invocations should complete successfully
        assertTrue(true);
    }

    // Test with null assistant director (edge case)
    @Test
    public void test_hook_withNullAssistantDirector() {
        // Hook should handle null parameter gracefully
        curtainFinallyHook.hook(null);

labels.chat_error_connection=Unable to connect to the AI service. Please check the network connection.
labels.chat_sources=Sources
labels.chat_ai_mode=AI Mode
labels.chat_status_ready=AI Assistant
labels.chat_status_thinking=Processing
labels.chat_status_error=Error
labels.chat_waiting=...
labels.chat_phase_intent=Thinking...
labels.chat_phase_search=Searching for __keywords__...

@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;

labels.chat_error_connection=Unable to connect to the AI service. Please check the network connection.
labels.chat_sources=Sources
labels.chat_ai_mode=AI Mode
labels.chat_status_ready=AI Assistant
labels.chat_status_thinking=Processing
labels.chat_status_error=Error
labels.chat_waiting=...
labels.chat_phase_intent=Thinking...
labels.chat_phase_search=Searching for __keywords__...

labels.ex_q=Requête étendue
labels.oldPassword=Mot de passe actuel
labels.newPassword=Nouveau mot de passe
labels.confirmNewPassword=Nouveau mot de passe (confirmer)

labels.menu_system=Système
labels.menu_wizard=Assistant
labels.menu_crawl_config=Général
labels.menu_scheduler_config=Planificateur
labels.menu_dashboard_config=Tableau de bord
labels.menu_design=Conception de la page
labels.menu_dict=Dictionnaire