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You've joined Spark, a dating app. Two people who both swipe right can talk — and either can unmatch, which closes the chat and must stop them being shown to each other again. Every single swipe asks *“have these two matched?”*, and that has to come back in single-digit milliseconds.
out of scopePhotos · prompts · distance · paid boosts · moderation
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.