Live preview, running the exact code the prompt carries
Interval Session Builder
A builder where work duration, recovery, round count, target zone and the warm up and cool down pair are real state with bounded steppers, and the whole session rebuilds live from them: the block list, the total, the preview drawn on a time axis and the planned time in zone all move when a control moves. A computed warning appears when the structure puts more than a tenth of the session in zone five.
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
- 712 lines
- Inter
- Regular, Medium, Semi Bold, Bold, Extra 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.
