˹In the end,˺ the Prophet said, “My Lord! Judge ˹between us˺ in truth. And our Lord is the Most Compassionate, Whose help is sought against what you claim.”1
I.e. Addressing them in the third person. The final statement is in the passive voice.
قُلْ رَبِّ
qul rabbi
قُلْ رَبُّ
qul rabbu
“Say: 'My Lord...'"
In these readings, the verb is an instruction to the Prophet (ﷺ). Abū Jaʿfar's reading is based on a less common way of appending the personal pronoun in the vocative. NB: these are pronounced as qur-rabbi/u.
Explanation
These readings are complementary in meaning, as the Prophet (ﷺ) would immediately say whatever he was instructed [Ibn 'Ashur]. Note that both may be read from the same skeletal form.
He has revealed to you ˹O Prophet˺ the Book in truth, confirming what came before it, as He revealed the Torah and the Gospel
Explanation
These readings are complementary in meaning, as the Prophet (ﷺ) would immediately say whatever he was instructed [Ibn 'Ashur]. Note that both may be read from the same skeletal form.