Is stoning Jamrat al-Aqaba after the first call to Fajr prayer valid and sufficient, or is something required as a result?

The time for stoning Jamrat al-Aqaba begins at midnight on the Day of Sacrifice, and the time for stoning is permissible, and there is no blame upon you. As for the prayer, if you repeated it within its time, then that is it; otherwise, it must be made up.