Plan updates for captures/collections/sessions

## Summary

Investigate what changes we want to apply here and create concrete tasks for this work.

## Detailed Description

See parent issue for thoughts and previous discussions about this. I suggest we (me, Michael, Francis?) book a session for this when it's time :)

## Related Issues

Parent issue: https://github.com/RolnickLab/antenna/issues/639
