}

    @Test
    public void test_nullSafeLogout() {
        SpnegoAuthenticator authenticator = new SpnegoAuthenticator();

        // SPNEGO logout should return null (relies on Kerberos infrastructure)
        String logoutUrl = authenticator.logout(null);
        assertNull(logoutUrl);
    }

    @Test
    public void test_nullSafeGetResponse() {

        final String testCommand = "convert ${url} -resize 100x100 ${outputFile}";
        final String tempPath = "/tmp/source.pdf";
        final String outputPath = "/tmp/thumbnail.jpg";

        final String expandedCommand = testCommand.replace("${url}", tempPath).replace("${outputFile}", outputPath);

        assertEquals("convert /tmp/source.pdf -resize 100x100 /tmp/thumbnail.jpg", expandedCommand);

    public ActionResponse getResponse(final SsoResponseType responseType) {
        return null;
    }

    /**
     * Performs logout for the specified user.
     *
     * SPNEGO authentication relies on the underlying Kerberos infrastructure
     * for session management, so no specific logout URL is provided.
     *
     * @param user The user to logout

   Input area
   ============================================ */
.input-wrapper {
    display: flex;
    flex-direction: column;
}

.card-footer #chatInput {
    resize: none;
    max-height: 150px;
    overflow-y: auto;
    border-radius: 8px 0 0 8px;
    border: 1px solid #dfe1e6;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

            var messageContent = $(this).closest('.chat-message').find('.message-text');
            copyToClipboard(messageContent.text(), $(this));
        });
    }

    /**
     * Auto-resize textarea based on content
     */
    function autoResizeTextarea() {
        var textarea = elements.chatInput[0];
        textarea.style.height = 'auto';