testClient.addIndexConfig("fess_config.scheduled_job/scheduled_job");
        testClient.addIndexConfig("fess_config.access_token/access_token");
        testClient.addIndexConfig("fess_user.user/user");
        testClient.addIndexConfig("fess_log.search_log/search_log");
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        ComponentUtil.setFessConfig(null);

            final String key = p.getFirst();
            if (StringUtil.isEmpty(key) || userBean
                    .map(user -> stream(user.getRoles()).get(stream -> stream.anyMatch(s -> (ROLE_VALUE_PREFIX + s).equals(key)))
                            || stream(user.getGroups()).get(stream -> stream.anyMatch(s -> (GROUP_VALUE_PREFIX + s).equals(key))))
                    .orElse(false)) {

    /** The sort order for this configuration (required, 0 to 2147483647). */
    @Required
    @Min(value = 0)
    @Max(value = 2147483647)
    @ValidateTypeFailure
    public Integer sortOrder;

    /** The user who created this file configuration (maximum 1000 characters). */
    @Size(max = 1000)
    public String createdBy;

    /** The timestamp when this file configuration was created. */
    @ValidateTypeFailure

| `SystemHelper` | `org.codelibs.fess.helper` | UI language dropdown builder |
| `FessUserLocaleProcessProvider` | `org.codelibs.fess.mylasta.direction.sponsor` | User locale detection |

## Language Detection and Selection

### User Interface Language

Fess determines the UI language in this order:

1. **Query parameter**: `?browser_lang=[locale]` (highest priority)

<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
  <ShortName>Fess</ShortName>
  <Description>Full Text Search for Your Documents.</Description>
  <Tags>Full Text Search</Tags>
  <Contact>fess-user@lists.sourceforge.jp</Contact>
  <SearchForm>http://localhost:8080/fess/</SearchForm>
  <Url type="text/html" template="http://localhost:8080/fess/search?q={searchTerms}"/>
  <InputEncoding>UTF-8</InputEncoding>

        boolQueryBuilder.mustNot(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.QUERY.toString()));
        boolQueryBuilder.mustNot(QueryBuilders.termQuery(FieldNames.KINDS, SuggestItem.Kind.USER.toString()));

        SuggestUtil.deleteByQuery(ComponentUtil.getSearchEngineClient(), suggester.settings(), suggester.getIndex(), boolQueryBuilder);
    }

    /**
     * Purges old suggest data from search logs.

            String user = "system";

            final ScheduledJob job = getCurrentScheduledJob();
            if (job != null) {
                source = "scheduler:" + job.getName();
                if (job.getCreatedBy() != null) {
                    user = job.getCreatedBy();
                }
            } else {
                try {
                    user = ComponentUtil.getSystemHelper().getUsername();

            throw new LlmException("LLM client is not available");
        }
        return client;
    }

    // RAG workflow delegation methods

    /**
     * Detects the intent of a user message using the configured LLM client.
     *
     * @param userMessage the user's message
     * @return the detected intent with extracted keywords
     * @throws LlmException if LLM is not available
     */

     * with escaped queries if the initial search fails.
     *
     * @param searchRequestParams The search request parameters
     * @param data The search render data to populate with results
     * @param userBean Optional user information for permission checking
     */
    public void search(final SearchRequestParams searchRequestParams, final SearchRenderData data,
            final OptionalThing<FessUserBean> userBean) {

	</c:if>
	<c:if test="${param.menuCategoryType == 'crawl'}">
		<li class="breadcrumb-item"><la:message key="labels.menu_crawl" /></li>
	</c:if>
	<c:if test="${param.menuCategoryType == 'user'}">
		<li class="breadcrumb-item"><la:message key="labels.menu_user" /></li>
	</c:if>
	<c:if test="${param.menuCategoryType == 'suggest'}">
		<li class="breadcrumb-item"><la:message key="labels.menu_suggest" /></li>
	</c:if>