Live preview, running the exact code the prompt carries
Vellum New Journal
A journal app's new journal form: the name being typed, a cover picked from her own photos, and who writes in it, over the keyboard.
Paste into Claude Code, Cursor or Windsurf. It builds this screen 1:1 in your app.
What the prompt carriesEverything inlined, nothing fetched
- screen.tsx
- written in full, ready to paste
- 283 lines
- Hanken Grotesk, Schibsted Grotesk
- Regular, Medium, Semi Bold, Bold · Semi Bold, Bold
- via @expo-google-fonts
- Integration rules
- ships 1:1, never re-themed to your app
- SDK 52+
The rule this design follows
It ships exactly as previewed: same colors, same type, same copy, same motion. The prompt tells your agent to build that, and not to adapt it to your existing theme.













