The Importance of Salaam

In another hadith he said that I could not see anybody more closely resembling to Ibrahim than myself. In other words, Ibrahim and our Prophet ﷺ were almost mere images of each other in their physical appearance. And then it came the time to Salaam, Fahan at is Salaam to whom, so I was put the imam of them. So this version has it that he knew exactly what's going on. How do you reconcile this Allah knows best? Did he know? Did he not know? There's two versions but the main point is he is leading the the Ambiya and the Mursul Al-Sallin behind him. This shows us