Who is the directly quoted critic in «وَكَانَ كَذَّابًا»?

Al-Ḥārith al-Aʿwar: Narrator Criticism, Variant Reports and Evidence

• Al-Shaʿbī, whose words are transmitted through a chain
• Muslim as a newly voiced Prophetic ruling
• Al-Ḥārith confessing against himself
• ʿAlqamah while discussing his Qurʾān reading