Live preview, running the exact code the prompt carries
Gnomon Observing Log
A year of observing sessions reduced to the figures that matter, with the total hours out, the distinct objects seen and the gap since the last clear night all computed from the session array rather than typed, over a drawn chart of hours by month.
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
- 477 lines
- Inter
- Regular, Medium, 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.













