Build Speedy Circles game

[muvaf]

Summary

• Replaces the sample SwiftUI screen with the Speedy Circles reflex game
• Adds interval selection, countdown gameplay, bounded shrinking targets, scoring, game-over, and retry flow
• Updates the app entry point, display metadata, and launch screen branding for Speedy Circles

Demo

speedy-circles-demo.mp4

Testing

• bazelisk --digest_function=sha256 build --config=limrun //App via Limrun RBE
• Launched com.limrun.sample-native-bazel on the attached Limrun iPhone 16 Pro simulator
• Captured screenshots for launch screen, start screen, active gameplay, successful target hit, and game-over retry state
• Recorded a gameplay demo with lim ios record start / lim ios record stop -o /opt/cursor/artifacts/speedy-circles-demo.mp4

_{To show artifacts inline, enable in settings.}