I don't understand why using the first paragraph for a link preview description if this site puts relevant article descriptions in the meta tag property="og:description". You do not take into account that the first paragraph may contain simply a heading or an author as in these cases:
https://instantview.telegram.org/contest/dci.com.br/template20/?url=https%3A%2F%2Fwww.dci.com.br%2Fneg%25C3%25B3cios%2Fpetrobras-raizen-e-ultrapar-arrematam-terminais-no-pa-governo-leva-quase-r-450-mi-1.792386
https://instantview.telegram.org/contest/dci.com.br/template20/?url=https%3A%2F%2Fwww.dci.com.br%2Fneg%25C3%25B3cios%2Fpetrobras-raizen-e-ultrapar-arrematam-terminais-no-pa-governo-leva-quase-r-450-mi-1.792421
https://instantview.telegram.org/contest/dci.com.br/template20/?url=https%3A%2F%2Fwww.dci.com.br%2Feconomia%2Findice-sobe-2-8-e-recupera-98-mil-pontos-com-exterior-e-animo-sobre-previdencia-1.785580
(and these articles of 2019, which means that it will be repeated in the future)
I think that this is wrong, given that