Live preview, running the exact code the prompt carries
Mantel Heating
A thermostat where the target is walked out of the schedule rather than stored: a drawn ring with the room as a sweep and the target as a tick, the demand coloured by its direction, and the day's four setpoints drawn to scale across 24 hours.
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
- 573 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.
