def summarize_text(text: str) -> str:
    response = client.responses.create(
        model=SUMMARY_MODEL,
        input=[
            {
                "role": "system",
                "content": (
                    "Summarize this passage for retrieval "
                    "in 2-3 concise sentences. Preserve "
                    "important concepts, terms, examples, "
                    "and claims. Add no new facts."
                ),
            },
            {
                "role": "user",
                "content": text,
            },
        ],
    )

    return response.output_text.strip()

        __
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