feat(ios): ship iOS SwiftUI client (VoiceCatiOS)

Full SwiftUI app at clients/apple/iOS/VoiceCatiOS.xcodeproj:
- 24 Swift source files: AppState + SessionState (@Observable @MainActor),
  AudioSessionManager (AVAudioSession owner + interruption/route handling),
  ServerListStore/SavedServer (App Group container + Keychain sharing),
  and 14 SwiftUI views covering the full feature set
- NavigationSplitView on iPad, TabView on iPhone (horizontalSizeClass)
- Channel tree via OutlineGroup, user list with context menu admin actions
- PTT via DragGesture(minimumDistance: 0) + @GestureState
- onEvent closures hop to MainActor via Task { @MainActor in ... }
- App Group: group.cat.voice.VoiceCat (shared with future ReplayKit extension)

C ABI: add vc_audio_suspend / vc_audio_resume (AudioEngine::suspend/resume)
called by AudioSessionManager on AVAudioSession interruption events.

XCFramework: add ios-arm64 and ios-arm64-simulator slices to build-xcframework.sh;
Package.swift gains .iOS(.v17) platform; CMakePresets.json adds apple-ios /
apple-ios-sim presets with arm64-ios / arm64-ios-simulator vcpkg triplets.

Verified: xcodebuild -target VoiceCatiOS -sdk iphonesimulator26.5 BUILD SUCCEEDED.
This commit is contained in:
2026-06-19 02:10:25 +02:00
parent dbf732ca91
commit e26e7db5b1
46 changed files with 2929 additions and 22 deletions

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# Chainload toolchain for iOS device cross-compilation (arm64-ios vcpkg triplet).
# Loaded by vcpkg when building all dependencies for the arm64-ios target, ensuring
# every dep is compiled against the iPhone OS SDK (not the macOS SDK).
set(CMAKE_SYSTEM_NAME iOS)
set(CMAKE_SYSTEM_PROCESSOR arm64)
set(CMAKE_OSX_ARCHITECTURES arm64)
set(CMAKE_OSX_SYSROOT iphoneos)
set(CMAKE_OSX_DEPLOYMENT_TARGET 17.0)

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# Chainload toolchain for iOS simulator cross-compilation (arm64-ios-simulator vcpkg triplet).
# Loaded by vcpkg when building all dependencies for the arm64-ios-simulator target, ensuring
# every dep is compiled against the iphonesimulator SDK (platform tag IOSSIMULATOR, not IOS).
set(CMAKE_SYSTEM_NAME iOS)
set(CMAKE_SYSTEM_PROCESSOR arm64)
set(CMAKE_OSX_ARCHITECTURES arm64)
set(CMAKE_OSX_SYSROOT iphonesimulator)
set(CMAKE_OSX_DEPLOYMENT_TARGET 17.0)

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set(VCPKG_TARGET_ARCHITECTURE arm64)
set(VCPKG_CRT_LINKAGE dynamic)
set(VCPKG_LIBRARY_LINKAGE static)
set(VCPKG_CMAKE_SYSTEM_NAME iOS)
# Release-only: debug iOS binaries are never shipped and skipping them halves build time.
set(VCPKG_BUILD_TYPE release)
# Override the autoconf --host triple (same rationale as arm64-ios.cmake — prevents autoconf from
# treating cross-compilation as a native build and trying to run arm64-ios binaries on macOS).
set(VCPKG_MAKE_BUILD_TRIPLET "--host=aarch64-apple-ios17.0-simulator")
# Chainload toolchain: forces every vcpkg dep to compile against the iphonesimulator SDK so all
# objects carry the platform IOSSIMULATOR tag (not IOS or MACOS). Critical for xcodebuild's
# -create-xcframework which rejects fat libs that mix platform tags.
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${CMAKE_CURRENT_LIST_DIR}/../../toolchains/ios-simulator.cmake")

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set(VCPKG_TARGET_ARCHITECTURE arm64)
set(VCPKG_CRT_LINKAGE dynamic)
set(VCPKG_LIBRARY_LINKAGE static)
set(VCPKG_CMAKE_SYSTEM_NAME iOS)
# Release-only: debug iOS binaries are never shipped and skipping them halves build time.
set(VCPKG_BUILD_TYPE release)
# Override the autoconf --host triple. Without this, vcpkg uses arm64-apple-darwin (same as the
# macOS build machine), which makes autoconf think it's a native build and try to run compiled
# programs — those are iOS arm64 binaries and can't execute on macOS. An ios-suffixed triple
# signals cross-compilation and disables all run-time configure checks.
set(VCPKG_MAKE_BUILD_TRIPLET "--host=aarch64-apple-ios17.0")
# Chainload toolchain: forces every vcpkg dep to compile against the iphoneos SDK so all objects
# carry the platform IOS tag (not MACOS). Without this the fat library mixes platforms.
set(VCPKG_CHAINLOAD_TOOLCHAIN_FILE "${CMAKE_CURRENT_LIST_DIR}/../../toolchains/ios-device.cmake")