Thanks! I actually had the same problem. The source linking is actually already there - just implemented a bit differently by directly inlining source images at relevant points:

For videos: Screenshots are timestamped in the filename as (frame_00-12-45.jpg)

For PDFs: Page numbers are preserved in the filename as (page_15.jpg)

The "verify as you study" use case is exactly what I built this for. I wanted the AI-enhanced explanations but still needed to double-check against source material during exam prep. The screenshot integration was designed to make that workflow natural instead of bouncing between 2 files.

That said, I could make this more explicit - maybe add the timestamps/page numbers as clickable links in the markdown itself. Would that be more useful than the current inline image approach? It will break if original file is moved.