How should a character first appear?
Introducing a character through camera language: an entrance is not just placing a model on stage. Distance and timing decide what viewers remember.
Notes
Product notes and research notes.
Expression is character continuity
When an expression does not match the previous line, viewers feel the character break first, and notice the technical problem second.
Clearly disclosing where AI is involved
Viewers deserve to know which parts are AI generated. Saying so up front is easier than explaining afterwards.