} 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 {

 */
package org.codelibs.fess.api;

import java.io.IOException;

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

/**
 * Interface for managing web API request processing.
 * Implementations of this interface handle specific types of web API requests

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.fess.Constants;
import org.lastaflute.web.util.LaRequestUtil;
import org.lastaflute.web.util.LaResponseUtil;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

/**
 * Base implementation for API managers providing common functionality.
 * Abstract class that provides format detection and response handling for web APIs.
 */

        final WebApiManager webApiManager = webApiManagerFactory.get((HttpServletRequest) request);
        if (webApiManager == null) {
            chain.doFilter(request, response);
        } else {
            webApiManager.process((HttpServletRequest) request, (HttpServletResponse) response, chain);
        }
    }

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)

    @Override
    public void doFilter(final ServletRequest request, final ServletResponse response, final FilterChain chain)
            throws IOException, ServletException {
        final HttpServletRequest httpRequest = (HttpServletRequest) request;
        final String origin = httpRequest.getHeader("Origin");
        if (StringUtil.isNotBlank(origin)) {
            if (logger.isDebugEnabled()) {

            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());