I stumbled across Zaydis vs Imami discourse

I was doing non-Sects related reading yesterday and came across an interesting Zaydis vs Imami discourse in a book written by Shaykh Saduq (Scholar Extraordinaire).

The title of the book is Kamal al-din wa tamam al-ni'mah (the perfection of the religion and the end of the blessings).

These discourses were written to refute Zaydis concepts and understanding of Imams of Ahlul Bayt, especially the 12th Imam al-Hujjah (may Allah swt hasten his appearance). There are a total of eight or nine articles and I will try to summarize all of them if possible, Insha Allah.

Some Zaidiyyah say: the Imamiyah sect sometime ago has fabricated Traditions that specify the number of Imams to be twelve.

Here I am summarizing the answer given by the Shaykh
Shaykh Saduq mentioned that there are traditions from Imami and also from non-Imami sources reporting the number of the Imams as twelve.

Details

Among the traditions of Abdullah bin Masud that is narrated to us from Ahmad bin al-Hasan al-Qattan known as Abi Ali bin Abde Rabb ar-Razi and he is a noted tradition scholar he says:

Narrated to me Abu Yazid Muhammad bin Yahya bin Khalaf bin Yazid al-Maruzi in the city of Rayy in 302 A.H. in the months of Rabi I from Ishaq bin Ibrahim Hanzali who was there in 238 A.H. and was known as Ishaq bin Rahuya from Yahya bin Yahya from Hisham from Mujalid from Shobi from Masrooq that he said:

One day we were in the company of Abdullah bin Masud to get our copies of Quran checked by him so that they were free of errors.

A young man asked: Has your Prophet told you about the number of his successors?
He replied: You are very young and it is something that no one has asked me before. Now I will tell you about it. Yes, our Prophet informed us that indeed there would twelve successors after him and it would be equal to the number of the chiefs of Bani Israel.

We have mentioned some chains of narrators of this tradition in this book of ours and some others are mentioned in our another book, An-Nass Alaal Aaimmatul Ithna Ashar (a.s.) bil Imamiyah. In this way, from our opponents some have narrated the traditions of reappearance to the level of usefulness.

Among these is the report of Jabir bin Samura that Ahmad bin Muhammad bin Ishaq ad-Dinawar, a tradition scholar, has narrated.

He says: Narrated to me Abu Bakr bin Abi Dawood from Ishaq bin Ibrahim bin Shazan from Walid bin Hisham from Muhammad bin Zukwan from his father from his father from Ibne Sirreen from Jabir bin Samura as-Sawai that he said:

We were in the company of the Messenger of Allah (s.a.w.s.) when he said: There are twelve leaders for this Ummah.

Samura said: A clamor arose so I couldn’t hear what else the Prophet said. So I asked my father who was nearer to the Prophet, what he had said.
My father said: He said: All of them shall be from Quraish, such that their like is not seen.

I have also mentioned the various chains of reporters of this tradition. Some versions say:

There will be twelve Amirs (chiefs) and some say: There will be twelve successors. Thus it proves that traditions in Imamiyah books regarding the twelve Imams are authentic.