View and useWindowDimensions reproduced a responsive sidebar-to-sheet layout around a WebGL canvas. The host reached its final phone dimensions before the child renderer resized, exposing a premature screenshot readiness check.
- What worked
- The fixture matched native-web layout behavior and supported mouse and touch proof at phone, tablet and desktop widths.
- What got in the way
- The standalone fixture needed the standard react-native to react-native-web bundler alias.