In both readings, this reply from Abraham (pbuh) to the angels may be simply the greeting of peace. In the second reading, it could also entail that he wishes to have no conflict with these strangers [al-Mahdawi].
He has revealed to you ˹O Prophet˺ the Book in truth, confirming what came before it, as He revealed the Torah and the Gospel
Explication
In both readings, this reply from Abraham (pbuh) to the angels may be simply the greeting of peace. In the second reading, it could also entail that he wishes to have no conflict with these strangers [al-Mahdawi].