Tests

Massive project reorganization and thread-safety updates for Swift 6. #482

Job	Run time
Swift Unit Tests (macos-15-large, 5.10)	2m 16s
Swift Unit Tests (macos-15-large, 6.0)	2m 20s
Xcode Unit Tests (platform=iOS Simulator,OS=16.4,name=iPhone 14 Pro Max, 15.4, macos-14-large)	2m 20s
Swift Unit Tests (ubuntu-latest, 5.10)	2m 0s
Xcode Unit Tests (platform=iOS Simulator,OS=18.1,name=iPhone 16 Pro Max, 16.0, macos-15-large)	2m 33s
Xcode Unit Tests (platform=tvOS Simulator,OS=18.1,name=Apple TV, 16.0, macos-15-large)	2m 34s
Xcode Unit Tests (platform=visionOS Simulator,OS=1.2,name=Apple Vision Pro, 15.4, macos-14-xlarge)	2m 28s
Xcode Unit Tests (platform=visionOS Simulator,OS=2.0,name=Apple Vision Pro, 16.0, macos-15-xlarge)	2m 12s
Xcode Unit Tests (platform=watchOS Simulator,OS=11.1,name=Apple Watch Series 10 (46mm), 16.0, mac...	2m 26s
Xcode Unit Tests (platform=macOS,name=My Mac, 16.0, macos-15-large)	2m 16s
CocoaPods Build	0s
	23m 25s

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