// Additional test for coverage
    @Test
    public void test_additionalCoverage() {
        int a = 5;
        int b = 10;
        int sum = a + b;
        assertEquals(15, sum);

        String str = "Hello";
        assertTrue(str.startsWith("H"));
        assertTrue(str.endsWith("o"));
        assertEquals(5, str.length());
    }

    // Additional test for coverage
    @Test
    public void test_additionalCoverage() {
        int a = 5;
        int b = 10;
        int sum = a + b;
        assertEquals(15, sum);

        String str = "Hello";
        assertTrue(str.startsWith("H"));
        assertTrue(str.endsWith("o"));
        assertEquals(5, str.length());
    }

    }

    @Test
    public void test_fluentBuilding() {
        final LlmChatRequest request = new LlmChatRequest().addSystemMessage("You are a helpful assistant")
                .addUserMessage("Hello!")
                .addAssistantMessage("Hi there!")
                .addUserMessage("How are you?")
                .setModel("llama3")
                .setMaxTokens(500)
                .setTemperature(0.5)

        final LocalDateTime beforeAdd = session.getLastAccessedAt();

        final ChatMessage message = ChatMessage.userMessage("Hello");
        session.addMessage(message);

        assertEquals(1, session.getMessages().size());
        assertEquals("Hello", session.getMessages().get(0).getContent());
        assertTrue(session.getLastAccessedAt().isAfter(beforeAdd) || session.getLastAccessedAt().isEqual(beforeAdd));

        InvertibleCryptographer cryptographer = securityResourceProvider.providePrimaryInvertibleCryptographer();
        assertNotNull(cryptographer);

        String plainText = "Hello, World!";
        String encrypted = cryptographer.encrypt(plainText);
        assertNotNull(encrypted);
        assertFalse(plainText.equals(encrypted));

        String decrypted = cryptographer.decrypt(encrypted);

        assertNull(authenticator.decodeBase64(null));
    }

    @Test
    public void test_decodeBase64_standard() {
        // "Hello" encoded in standard Base64
        final byte[] result = authenticator.decodeBase64("SGVsbG8=");
        assertEquals("Hello", new String(result));
    }

    @Test
    public void test_decodeBase64_urlSafe() {
        // Base64 URL encoding (uses - and _ instead of + and /)

    public void test_createSuccessResponse_basic() {
        final Map<String, Object> response = chatApiManager.createSuccessResponse("session-123", "Hello, world!", null);

        assertEquals("ok", response.get("status"));
        assertEquals("session-123", response.get("sessionId"));
        assertEquals("Hello, world!", response.get("content"));
        assertFalse(response.containsKey("sources"));
    }

    @Test

        doc.put("title", "Test Doc");
        doc.put("url", "http://example.com");
        doc.put("content", "<p>Hello <b>world</b></p>");
        doc.put("content_description", "description");
        documents.add(doc);

        final String result = client.testBuildContext(documents);
        assertTrue(result.contains("Hello world"));
        assertFalse(result.contains("<p>"));
        assertFalse(result.contains("<b>"));

        final Map<String, Object> doc = new LinkedHashMap<>();
        doc.put("url", "https://example.com/page.html");
        doc.put("title", "Test Page");
        doc.put("content", "Hello World");
        setupMockComponents(Collections.singletonList(doc));

        final String result = indexExportJob.execute();

        assertEquals("Exported 1 documents.", result);

    @Test
    public void test_execute_withPhraseQuery() {
        // Test executing BoostQuery with a PhraseQuery inside
        PhraseQuery.Builder builder = new PhraseQuery.Builder();
        builder.add(new Term("field", "hello"));
        builder.add(new Term("field", "world"));
        PhraseQuery phraseQuery = builder.build();
        BoostQuery boostQuery = new BoostQuery(phraseQuery, 1.5f);