Engineering
Notes on how Composite Sky is built. Each one takes a single piece of the app and works through why it is shaped the way it is: what the platform allowed, what was measured rather than assumed, and what was left undone on purpose.
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August 8, 2026 · tvOS
Pairing an Apple TV without a server
Connecting an Apple TV to its owner's WeatherFlow Tempest account takes OAuth, and OAuth wants a browser. tvOS has no web view, so the consent step happens on a phone. Getting the result back to the TV without standing a server of ours in the middle meant publishing a short-lived hostname on the local network and catching the redirect there, plaintext hop and all.