history.add(LlmMessage.user("A".repeat(20))); // 20 chars - won't fit
        history.add(LlmMessage.user("Q2")); // 2 chars
        history.add(LlmMessage.assistant("A2")); // 2 chars
        final LlmChatRequest request = new LlmChatRequest();
        client.testAddIntentHistory(request, history);
        // Budget=10: A2(2), Q2(4) fit, then A*20 breaks => only Q2, A2
        assertEquals(2, request.getMessages().size());

            if (logger.isDebugEnabled()) {
                logger.debug("[RAG:ANSWER] Newest history message truncated to fit budget. originalLength={}, truncatedLength={}",
                        newest.getContent().length(), truncated.length());
            }
        } else {
            logger.warn("[RAG:ANSWER] History truncated to fit context window. originalSize={}, budgetChars={}", history.size(),
                    budgetChars);
        }

	VADDPD 8128(DX), Z28, Z29       // 62619d40586a7f
	VADDPD 8128(DX)(AX*2), Z0, Z29  // 6261fd48586c427f
	VADDPD 8128(DX)(AX*2), Z29, Z1  // 62f19540584c427f
	// EVEX: compressed displacement that does not fit into 8bits.
	VADDPD 2048(DX), X29, X0        // 62f19500588200080000
	VADDPD 2048(DX), X1, X29        // 6261f50858aa00080000
	VADDPD 2048(DX), X29, X28       // 6261950058a200080000

		(*Reader).ReadBytes,
		(*Reader).ReadSlice,
		func(r *Reader, delim byte) ([]byte, error) {
			data, err := r.ReadString(delim)
			return []byte(data), err
		},
		// ReadLine doesn't fit the data/pattern easily
		// so we leave it out. It should be covered via
		// the ReadSlice test since ReadLine simply calls
		// ReadSlice, and it's that function that handles
		// the last byte.
	}

	FMOVD	1(R1), F2 // 221040fc
	FMOVD	8(R1), F2 // 220440fd
	FMOVQ	32(R5), F2 // a208c03d
	FMOVQ	65520(R10), F10 // 4afdff3d
	FMOVQ	64(RSP), F11    // eb13c03d

// medium offsets that either fit a single instruction or can use add+ldr/str
	MOVD -4095(R17), R3                        // 3bfe3fd1630340f9
	MOVD -391(R17), R3                         // 3b1e06d1630340f9