Start with the moments that tell the story
Bring your commentary recording and the materials you are discussing. Pick the takes that make the subject clear, including a strong opening and a complete ending. These choices give Shorty a useful starting point for the edit.
Give Shorty the creative direction
Keep the argument coherent and show the referenced material at the moment it is explained.
Try a 30-second 9:16 edit as a starting point. Include the exact title or closing message you want on screen. Add a reference when you want to show the pace, captions or mood.
Try this editing prompt
Create a 30-second 9:16 video from my your commentary recording and the materials you are discussing. Keep the argument coherent and show the referenced material at the moment it is explained. Use my supplied wording for titles. Separate the speaker's opinion from factual statements in on-screen labels.
Make the next version more specific
Separate the speaker's opinion from factual statements in on-screen labels.
Play the first cut and pick the change that would help the story most. Name the moment, describe the result you want and tell Shorty what to keep. A note such as “hold the final product shot longer” gives the revision a clear direction.