this.timestamp = timestamp;
    }

    /**
     * Gets the list of sources referenced in the message.
     *
     * @return the list of sources
     */
    public List<ChatSource> getSources() {
        return sources;
    }

    /**
     * Sets the list of sources referenced in the message.
     *
     * @param sources the list of sources
     */

- [ ] Provide integration tests (under `<subproject>/src/integTest`) to verify changes from a user perspective.
- [ ] Provide unit tests (under `<subproject>/src/test`) to verify logic.
- [ ] Update User Guide, DSL Reference, and Javadoc for public-facing changes.
- [ ] Ensure that tests pass sanity check: `./gradlew sanityCheck`.
- [ ] Ensure that tests pass locally: `./gradlew <changed-subproject>:quickTest`.

### Reviewing cheatsheet

        final Element root = webXmlDocument.getDocumentElement();
        final String schemaLocation = root.getAttributeNS("http://www.w3.org/2001/XMLSchema-instance", "schemaLocation");
        assertTrue("schemaLocation should reference web-app_6_1.xsd", schemaLocation.contains("web-app_6_1.xsd"));
    }

        assertTrue(exception1.getCause() instanceof java.io.IOException);

        StorageException exception2 = new StorageException("NPE", new NullPointerException("Null reference"));
        assertTrue(exception2.getCause() instanceof NullPointerException);

        StorageException exception3 = new StorageException("Custom", new FessSystemException("System error"));

 * This form extends CreateForm to include fields necessary for updating existing stemmer override entries.
 * Stemmer overrides define custom stemming rules that take precedence over the default stemming algorithm.
 *
 */
public class EditForm extends CreateForm {

    /**
     * Creates a new EditForm instance.
     */
    public EditForm() {
        super();
    }

 * Transforms userguide source into docbook, replacing custom XML elements.
 *
 * Takes the following as input:
 * <ul>
 * <li>A source docbook XML file.</li>
 * <li>Meta-info about the canonical documentation for each class referenced in the document, as produced by {@link gradlebuild.docs.dsl.docbook.AssembleDslDocTask}.</li>
 * </ul>
 *
 */
@CacheableTask
abstract class UserGuideTransformTask extends DefaultTask {

    private final Pattern javadocLinkPattern = Pattern.compile("link:\\{javadocPath\\}/(.*?\\.html)");
    // link:https://kotlinlang.org/docs/reference/using-gradle.html#targeting-the-jvm[Kotlin]
    private final Pattern markdownLinkPattern = Pattern.compile("\\[[^]]+]\\([^)^\\\\]+\\)");

    // <a href="javadoc/org/gradle/api/artifacts/dsl/DependencyHandler.html">

     */
    protected String sanitizeDocumentContent(final String text) {
        if (StringUtil.isBlank(text)) {
            return text;
        }
        return text.replace("--- REFERENCE DOCUMENTS", "\\-\\-\\- REFERENCE DOCUMENTS")
                .replace("--- SEARCH RESULTS", "\\-\\-\\- SEARCH RESULTS")
                .replace("--- USER QUERY", "\\-\\-\\- USER QUERY")

        assertTrue(exception2.getCause() instanceof IllegalArgumentException);

        // Test with NullPointerException
        NullPointerException nullPointerException = new NullPointerException("Null reference");
        SsoLoginException exception3 = new SsoLoginException(message, nullPointerException);
        assertEquals(message, exception3.getMessage());
        assertTrue(exception3.getCause() instanceof NullPointerException);

     * Builds a summary string from source document titles.
     *
     * @param msg the assistant chat message
     * @param summaryMaxChars the maximum characters for the content summary
     * @return a string listing referenced document titles
     */
    protected String buildSourceTitlesContent(final ChatMessage msg, final int summaryMaxChars) {
        final List<ChatSource> sources = msg.getSources();