Tests

Massive project reorganization and thread-safety updates for Swift 6. #474

Job	Run time
Swift Unit Tests (macos-latest-large, 5.10)	2m 41s
Xcode Unit Tests (platform=iOS Simulator,OS=16.4,name=iPhone 14 Pro Max, 15.4, macos-latest-large)	16m 9s
Swift Unit Tests (macos-latest-large, 6.0)	2m 30s
Xcode Unit Tests (platform=iOS Simulator,OS=17.5,name=iPhone 15 Pro Max, 16.0, macos-latest-large)	13m 28s
Swift Unit Tests (ubuntu-latest, 5.10)	2m 24s
Xcode Unit Tests (platform=tvOS Simulator,OS=17.5,name=Apple TV, 16.0, macos-latest-large)	13m 27s
Xcode Unit Tests (platform=visionOS Simulator,OS=1.2,name=Apple Vision Pro, 15.4, macos-latest-xl...	9m 3s
Xcode Unit Tests (platform=visionOS Simulator,OS=2.0,name=Apple Vision Pro, 16.0, macos-15-xlarge)	5m 26s
Xcode Unit Tests (platform=watchOS Simulator,OS=10.5,name=Apple Watch Series 7 (45mm), 16.0, maco...	10m 17s
Xcode Unit Tests (platform=macOS,name=My Mac, 16.0, macos-latest-large)	11m 20s
CocoaPods Build	0s
	1h 26m 45s

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