Each round was tested with the team members who do that work, and what they found shaped the next round.

Can centres plan here at all?
desktop sidebar
Google + email code
one Inbox for everything

What is the whole flow?
14 screens, one story
black and white
4 status steps

Do the fixes hold for real classes?
plain on purpose, so the flow is judged
batches, festivals, who is free
comments pinned on screens

Does it hold up for real?
every role in one app
Centres + Scheduling + Me
tested screen by screen
between rounds: each workflow was tested with the team member who does it, then the next iteration followed