} catch (ServletException e) {
            assertEquals("Chain ServletException", e.getMessage());
        }
    }

    // Helper method to create mock HttpServletRequest
    private HttpServletRequest createMockHttpServletRequest() {
        return new HttpServletRequest() {
            @Override
            public Object getAttribute(String name) {
                return null;
            }

            @Override

import org.opensearch.script.Script;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * The API manager for search operations.
 */
public class SearchApiManager extends BaseApiManager {

import com.fasterxml.jackson.databind.ObjectMapper;

import jakarta.annotation.PostConstruct;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * API Manager for RAG chat endpoints with SSE streaming support.
 *
 * @author FessProject
 */
public class ChatApiManager extends BaseApiManager {

        assertTrue("ACCESS_CONTROL_MAX_AGE should be final", Modifier.isFinal(maxAgeField.getModifiers()));
    }

    // Helper method to create mock HttpServletRequest
    private HttpServletRequest createMockRequest() {
        return new HttpServletRequest() {
            @Override
            public String getAuthType() {
                return null;
            }

            @Override

        }

        @Override
        public boolean matches(HttpServletRequest request) {
            if (request == null) {
                return false;
            }
            String uri = request.getRequestURI();
            return uri != null && uri.startsWith(basePath);
        }

        @Override
        public void process(HttpServletRequest request, HttpServletResponse response, FilterChain chain)

            throws IOException, ServletException {
        if (!ComponentUtil.available()) {
            chain.doFilter(request, response);
            return;
        }

        final HttpServletRequest httpRequest = (HttpServletRequest) request;
        final HttpServletResponse httpResponse = (HttpServletResponse) response;
        final String path = httpRequest.getRequestURI().substring(httpRequest.getContextPath().length());

import org.lastaflute.web.util.LaServletContextUtil;

import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;

/**
 * The handler of multipart request (fileupload request). <br>
 * This instance is created per one multipart request.
 * @author modified by jflute (originated in Seasar)
 */

        final String userCode;
        final String userId;
        final HttpServletRequest request;
        final String clientIp;
        final String virtualHostKey;

        SearchLogContext(final FessConfig fessConfig, final String[] roles, final String userCode, final String userId,
                final HttpServletRequest request, final String clientIp, final String virtualHostKey) {

        ComponentUtil.getWebApiManagerFactory().add(this);
    }

    @Override
    public boolean matches(final HttpServletRequest request) {
        final String servletPath = request.getServletPath();
        return servletPath.startsWith(pathPrefix);
    }

    @Override
    public void process(final HttpServletRequest request, final HttpServletResponse response, final FilterChain chain)
            throws IOException, ServletException {

    private Set<String> buildByParameter(final RoleQueryHelper roleQueryHelperImpl, final HttpServletRequest request) {
        Set<String> roleSet = new HashSet<>();
        roleQueryHelperImpl.processParameter(request, roleSet);
        return roleSet;
    }

    private Set<String> buildByHeader(final RoleQueryHelper roleQueryHelperImpl, final HttpServletRequest request) {
        Set<String> roleSet = new HashSet<>();