}

    /**
     * Creates an unclear intent result when intent cannot be determined.
     *
     * @param reasoning the detection reasoning
     * @return the unclear intent result
     */
    public static IntentDetectionResult unclear(final String reasoning) {
        return new IntentDetectionResult(ChatIntent.UNCLEAR, null, null, reasoning);
    }

    /**

    @Test
    public void test_unclear() {
        final IntentDetectionResult result = IntentDetectionResult.unclear("unclear intent");

        assertEquals(ChatIntent.UNCLEAR, result.getIntent());
        assertNull(result.getQuery());
        assertNull(result.getDocumentUrl());
        assertEquals("unclear intent", result.getReasoning());
    }

    @Test
    public void test_unclear_withNullReasoning() {

                logger.debug("[RAG] Intent detected. intent={}, query={}", intentResult.getIntent(), intentResult.getQuery());
            }

            if (intentResult.getIntent() == ChatIntent.UNCLEAR) {
                // Unclear intent - generate answer with empty documents to ask for clarification
                final LlmChatResponse llmResponse = llmClientManager.generateAnswer(userMessage, Collections.emptyList(), history);

        protected String getIntentDetectionPrompt() {
            return testIntentDetectionPrompt;
        }

        @Override
        protected String getUnclearIntentSystemPrompt() {
            return "unclear prompt {{languageInstruction}}";
        }

        @Override
        protected String getNoResultsSystemPrompt() {
            return "no results prompt {{languageInstruction}}";
        }

    @Override
    protected boolean isUseOneTimeContainer() {
        return true;
    }

    @Test
    public void test_maxUsernameLength() throws IOException {
        FessProp.propMap.clear();
        FessConfig fessConfig = new FessConfig.SimpleImpl() {
            @Override
            public Integer getLdapMaxUsernameLengthAsInteger() {
                return Integer.valueOf(-1);
            }
        };

        }

        @Override
        protected void storeQueue(List<Tuple3<String, String, String>> taskList) {
            // Override to avoid database operations
            taskList.clear();
        }

        @Override
        protected String getImageFilename(final Map<String, Object> docMap) {
            // Override to avoid null pointer issues

     */
    public void clearMessages() {
        synchronized (messagesLock) {
            if (messages != null) {
                messages.clear();
            }
        }
        this.lastAccessedAt = LocalDateTime.now();
    }

    /**
     * Trims the message history to keep only the most recent messages.
     *

    @Test
    public void test_doCrawl_withErrors() {
        // Clear any previous errors
        try {
            Field errorsField = Crawler.class.getDeclaredField("errors");
            errorsField.setAccessible(true);
            Queue<String> errors = (Queue<String>) errorsField.get(null);
            errors.clear();
        } catch (Exception e) {
            // Ignore if field doesn't exist
        }

        assertEquals(0, indexingHelper.deleteOldDocuments(client, docList));
        assertEquals(0, docList.size());
        assertEquals(0, deletedDocIdList.size());

        docList.clear();
        deletedDocIdList.clear();
        docList.add(new HashMap<>(Map.of(//
                "config_id", "W01", //
                "doc_id", "1", //
                "url", "http://test.com/001"//
        )));

        // Test with append value
        cmdList.clear();
        execJob.testAddSystemProperty(cmdList, "test.property", "default", ":append");
        assertEquals(1, cmdList.size());
        assertEquals("-Dtest.property=test.value:append", cmdList.get(0));

        // Test with property that doesn't exist and default value
        cmdList.clear();