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You've joined LearnUp, an online learning platform. Product wants to know which courses are effective — and two traps are already waiting. A course launched last month and one running three years cannot be compared on raw counts. And *"average days to complete"*, computed over the people who finished, flatters every course, because the ones who took forever and gave up are not in the average.
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pnpm dev:api and reload.The canvas below still works, so you can model now and run the review once the service is up.Practice studio
Start with the data model, then layer system context
Use entities and relationships for the real ERD. Add notes, containers, or curated cloud shapes only when they sharpen the story you are architecting.
This scenario runs a full workspace — editor, canvas and results side by side. It needs a laptop or desktop to be usable. Open this page on a bigger screen to start building.