<label for="doc.doc_id" class="col-sm-3 text-sm-right col-form-label">doc_id</label>
                                        <div class="col-sm-9">
                                                ${f:h(doc.doc_id)}
                                            <la:hidden styleId="doc.doc_id" property="doc.doc_id"/>
                                        </div>

    @Test
    public void test_chatSourceFromMap() {
        final Map<String, Object> doc = new HashMap<>();
        doc.put("title", "Test Title");
        doc.put("url", "https://example.com");
        doc.put("doc_id", "doc-123");
        doc.put("content_description", "Test snippet");

        final ChatSource source = new ChatSource(5, doc);

        assertEquals(5, source.getIndex());

                "file://home/taro/%E3%81%82.txt");

        assertUrlLink(null, "#not-found-docId");
        assertUrlLink("", "#not-found-docId");
        assertUrlLink(" ", "#not-found-docId");
    }

    private void assertUrlLink(String url, String expected) {
        Map<String, Object> doc = new HashMap<>();
        doc.put("doc_id", "docId");
        doc.put("url", url);
        assertEquals(expected, viewHelper.getUrlLink(doc));

         * @return the document ID
         */
        public String getDocId() {
            return docId;
        }

        /**
         * Sets the document ID.
         *
         * @param docId the document ID
         */
        public void setDocId(final String docId) {
            this.docId = docId;
        }

        /**
         * Gets the source snippet.
         *

            @Override
            public String getIndexFieldId() {
                return "_id";
            }

            @Override
            public String getIndexFieldDocId() {
                return "doc_id";
            }

            @Override
            public String getIndexFieldBoost() {
                return "boost";
            }

            @Override

            final List<String> docIds = indexes.stream()
                    .filter(i -> i > 0 && i <= searchResults.size())
                    .map(i -> getStringValue(searchResults.get(i - 1), "doc_id"))
                    .filter(StringUtil::isNotBlank)
                    .collect(Collectors.toList());

            return RelevanceEvaluationResult.withRelevantDocs(docIds, indexes);
        } catch (final Exception e) {

        @Override
        public Integer getSuggestUpdateContentsLimitDocSizeAsInteger() {
            return 50000;
        }

        @Override
        public String getIndexFieldDocId() {
            return "doc_id";
        }

        @Override
        public String getIndexFieldClickCount() {
            return "click_count";
        }

        @Override
        public String getIndexDocumentSearchIndex() {

            return OptionalEntity.of(entity);
        case CrudMode.EDIT:
            final String docId;
            if (form.doc != null) {
                docId = (String) form.doc.get(fessConfig.getIndexFieldDocId());
            } else {
                docId = null;
            }
            if (StringUtil.isNotBlank(docId)) {
                return searchEngineClient.getDocument(fessConfig.getIndexDocumentUpdateIndex(), builder -> {

        doc.put("doc_id", "doc123");
        doc.put("url_link", "http://proxy.example.com/file.doc");

        final ChatMessage.ChatSource source = new ChatMessage.ChatSource(1, doc);
        assertEquals("http://proxy.example.com/file.doc", source.getUrlLink());
        assertNull(source.getGoUrl());

        source.setGoUrl("/go/?rt=123&docId=doc123&queryId=q1&order=0");

						data-id="${doc.doc_id}" data-order="${s.index}">${doc.content_title}</a>
				</h3>
				<div class="body">
					<c:if test="${thumbnailSupport && !empty doc.thumbnail}">
					<div class="me-3">
						<a class="link d-none d-sm-flex" href="${doc.url_link}" data-uri="${doc.url_link}" data-id="${doc.doc_id}"
							data-order="${s.index}"