Aqeeda Of Amaamat
Its better to ask Shia Scholar details about it. For quick learning, you can refer to this https://www.al-islam.org/shiite-encyclopedia/imamat-versus-prophethood-part-1 They have misunderstood certain verses and ahadith. Because of that concept of Imamat came into being. Whatever they associate with imam is because of this concept.
It is indeed a troubling concept claiming divine appointment and divince guidance for this rank, which I personally find no different than Ahmediya Aqaid or Aqaid of certain Sufis: To understand Shia ‘ ilm-e-kalam ‘, you can also refer to the following video from 53:24 to 2:05:58 https://youtu.be/UdnJICFVWdQ?t=3204
@umerqureshi amaam ko nabi say ziaada authority daina or yeh aqeeda rkhna k aamaam b Allah say direct guidance laita h. Kia yeh bidat say bari baat nahi???