assertEquals(1, request.getMessages().size());
        assertEquals(200, request.getMessages().get(0).getContent().length());
    }

    // ========== addIntentHistory tests ==========

    @Test
    public void test_addIntentHistory_withCharBudget() {
        final List<LlmMessage> history = new ArrayList<>();
        history.add(LlmMessage.user("Short")); // 5 chars

                logger.debug("[RAG:INTENT] systemPrompt={}", systemPrompt);
            }
            final LlmChatRequest request = new LlmChatRequest();
            request.addSystemMessage(systemPrompt);
            addIntentHistory(request, history);
            request.addUserMessage(wrapUserInput(userMessage));
            applyPromptTypeParams(request, "intent");

            final LlmChatResponse response = chatWithConcurrencyControl(request);