Opt macOS and iOS into system Game Mode (GCSupportsGameMode=YES) and
unify the App Store category to Games across macOS/iOS/tvOS (tvOS omits
the key — no Game Mode there). Game Mode engages automatically when the
stream is native-fullscreen (already the default), giving GPU/CPU
priority and doubling controller/AirPods Bluetooth polling for lower
input/audio latency — parity with the Android client's appCategory=game.
Verified: macOS/iOS/tvOS Debug builds succeed and the produced bundle
Info.plists carry the expected keys.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
enricobuehler
c511462536