The injuries in this place are quite embarrassing. Cut and replace it, otherwise the laser welding points of the original door frame will be damaged. Just use a repair machine to pull it out and repair it. The gap between the door frame and the door is difficult to deal with. Then after repairing it, the anti-rust treatment inside the threshold cannot be done. So it's very confusing.
However, based on my experience, it is still recommended to choose sheet metal repair, like this