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Here Be Dragons

One product across Apple platforms

One product can share meaning without forcing identical screens onto a phone, tablet, Mac, watch, television, or spatial device.

Design the boundary

  • Share domain values, use cases, and purposeful ports through Swift packages.
  • Reuse SwiftUI only where interaction and layout semantics match. Platform targets own scenes, commands, focus, remote input, and immersion.
  • Represent unavailable hardware or services as capability state at the adapter boundary, not as a domain failure.
  • Give every target its own deployment floor, SDK build, destination matrix, entitlement audit, and accessibility review.

Validation boundary

No additional Apple platform target was built. iOS evidence does not automatically cover another platform.

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References

Why the name "Here Be Dragons"?