@Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        return asListHtml();
    }

    /**
     * Show the list page.
     * @param pageNumber The page number.
     * @param form The search form.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse list(final OptionalThing<Integer> pageNumber, final SearchForm form) {

     */
    private HtmlResponse asEditHtml() {
        return asHtml(path_AdminFileconfig_AdminFileconfigEditJsp).renderWith(data -> {
            registerRolesAndLabels(data);
        });
    }

    /**
     * Returns HTML response for the details page.
     *
     * @return HTML response for the details page
     */
    private HtmlResponse asDetailsHtml() {

            });
        });
    }

    private HtmlResponse asEditHtml() {
        return asHtml(path_AdminWebconfig_AdminWebconfigEditJsp).renderWith(data -> {
            registerRolesAndLabels(data);
        });
    }

    private HtmlResponse asDetailsHtml() {
        return asHtml(path_AdminWebconfig_AdminWebconfigDetailsJsp).renderWith(data -> {

    public HtmlResponse move(final ListForm form) {
        saveToken();
        return doMove(form, 0);
    }

    /**
     * Handles pagination movement logic.
     *
     * @param form the list form containing current state
     * @param move the direction to move (-1 for previous, 0 for specific page, 1 for next)
     * @return HTML response with moved page results
     */

import org.codelibs.fess.entity.SearchRequestParams.SearchRequestType;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.RenderDataUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;

import jakarta.annotation.Resource;

/**
 * Action class for the RAG chat page.
 *
 * @author FessProject
 */
public class ChatAction extends FessSearchAction {

     *
     * @return HTML response for the maintenance index page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {
        saveToken();
        return asIndexHtml();
    }

    private HtmlResponse asIndexHtml() {
        return asHtml(path_AdminMaintenance_AdminMaintenanceJsp).useForm(ActionForm.class, op -> op.setup(f -> {
            f.replaceAliases = Constants.ON;

import org.codelibs.fess.mylasta.mail.TestmailPostcard;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.core.mail.Postbox;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.ruts.process.ActionRuntime;

import jakarta.annotation.Resource;

/**
 * Admin action for General settings.
 *
 */
public class AdminGeneralAction extends FessAdminAction {

     */
    public HtmlResponse getRedirectResponseToLogin(final HtmlResponse response) {
        return response;
    }

    /**
     * Gets the redirect response to the root page.
     *
     * @param response The original response.
     * @return The redirect response.
     */
    public HtmlResponse getRedirectResponseToRoot(final HtmlResponse response) {
        return response;
    }

- Hierarchy: `TypicalAction` → `FessBaseAction` → `FessAdminAction`/`FessSearchAction`
- `@Execute` marks web endpoints
- `@Resource` for DI
- `@Secured({ "role", "role-view" })` for authorization
- Return `HtmlResponse` for JSP, `JsonResponse` for APIs

### Service
- Inject behaviors (Bhv) for data access
- Use `OptionalEntity<T>` for nullable returns
- Plain classes (no extends/implements)

### Helper

import org.codelibs.fess.app.web.api.admin.FessApiAdminAction;
import org.codelibs.fess.opensearch.config.exentity.ScheduledJob;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.JsonResponse;

import jakarta.annotation.Resource;

/**
 * API action for admin scheduler management.
 */
public class ApiAdminSchedulerAction extends FessApiAdminAction {