You definitely could add a link in DT to the draft, each draft has a unique link and ID. You might also want to add some actions to Drafts (using the [URL step](https://docs.getdrafts.com/docs/actions/steps/advanced.html#open-url) to open groups in DT, which also have a unique ID.
Do you just have one piece of reference material for a piece of writing or multiple pieces?
I went last year for the first time and really enjoyed it! I plan to go back again next year, we could have a mini micro.blog meetup!
The external keyboard is crucial for me, without it I think I’d hardly use my iPad.
That combination sounds good to me, I like the sound of the bullet journal to accompany you throughout the day – though whenever I’ve tried it I’ve ended up with a lot of capture to process back into OF which feels like a chore!