* refactor: use correct metadata in op view
* refactor: use correct metadata in backstage view
* remove uneeded test
* fix: correct offset colour
* refactor: use correct metadata in timline view
* refactor: schedule item dont pass the whole event
* chore: lint
refactor: improve empty state
refactor: review schedule design
- fit as many elements as possible
- expose cycle interval as an option
- stabilise rundown reference
- style tweaks