Add Swift Package Manager support to remaining Apple plugins

[boyan01]

Summary

• add Swift Package Manager manifests and standard source layouts for desktop_keep_screen_on, desktop_lifecycle, and fts5_simple on macOS
• add a shared Darwin Swift package for ogg_opus_player, including its C target and local binary targets for iOS and macOS
• keep the CocoaPods integration working for every migrated plugin
• update fts5_simple to the official libsimple v0.7.1 macOS release and combine its arm64 and x86_64 artifacts into a universal dylib
• ignore SwiftPM build metadata across the workspace

The audit also confirmed that desktop_multi_window already gained macOS SwiftPM support in #482. However, pub.dev still serves 0.3.0 while the fix is in the unreleased 0.3.1 on main, so publishing that version remains necessary for users affected by #494.

Verification

Using Flutter 3.47.1:

• fresh macOS app with all four plugins: SwiftPM debug build passed and Flutter reported all macOS plugins as Swift packages
• fresh iOS app with ogg_opus_player: SwiftPM simulator debug build passed
• fresh macOS app with all four plugins: CocoaPods debug build passed
• fresh iOS app with ogg_opus_player: CocoaPods simulator debug build passed
• the SwiftPM macOS app embeds both arm64 and x86_64 libsimple slices
• an arm64 SQLite FTS5 query using the updated extension passed, including simple_query and simple_highlight
• the x86_64 slice loads under Rosetta and exports sqlite3_simple_init
• flutter test passed for desktop_lifecycle; the other three packages do not have test directories
• all XCFramework property lists pass plutil -lint

Related to #494.

[Copilot]

Pull request overview

Adds Swift Package Manager support for four Apple-platform plugins while preserving CocoaPods compatibility and updating bundled native libraries.

Changes:

• Adds standard SwiftPM manifests and source layouts.
• Packages Ogg/Opus and libsimple native binaries as XCFramework dependencies.
• Ignores SwiftPM-generated workspace metadata.

Reviewed changes

Copilot reviewed 24 out of 80 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
.gitignore	Ignores SwiftPM build metadata.
packages/desktop_keep_screen_on/macos/desktop_keep_screen_on/Package.swift	Adds the macOS Swift package.
packages/desktop_keep_screen_on/macos/desktop_keep_screen_on/Sources/desktop_keep_screen_on/DesktopKeepScreenOnPlugin.swift	Relocates the plugin implementation.
packages/desktop_keep_screen_on/macos/desktop_keep_screen_on.podspec	Updates the CocoaPods source path.
packages/desktop_lifecycle/macos/desktop_lifecycle/Package.swift	Adds the macOS Swift package.
packages/desktop_lifecycle/macos/desktop_lifecycle/Sources/desktop_lifecycle/DesktopLifecyclePlugin.swift	Relocates the lifecycle implementation.
packages/desktop_lifecycle/macos/desktop_lifecycle.podspec	Updates the CocoaPods source path.
packages/fts5_simple/macos/fts5_simple/Package.swift	Adds SwiftPM and libsimple targets.
packages/fts5_simple/macos/fts5_simple/Sources/fts5_simple/Fts5SimplePlugin.swift	Relocates the plugin class.
packages/fts5_simple/macos/fts5_simple/Libs/README.md	Documents libsimple provenance and assembly.
packages/fts5_simple/macos/fts5_simple/Libs/libsimple.xcframework/Info.plist	Describes the universal libsimple binary.
packages/fts5_simple/macos/fts5_simple.podspec	Updates CocoaPods sources and library path.
packages/ogg_opus_player/pubspec.yaml	Registers the Swift Darwin plugin directly.
packages/ogg_opus_player/darwin/ogg_opus_player/Package.swift	Defines shared Swift, C, and binary targets.
packages/ogg_opus_player/darwin/ogg_opus_player.podspec	Repoints CocoaPods to the shared layout.
packages/ogg_opus_player/darwin/function.sh	Outputs XCFrameworks in the package layout.
packages/ogg_opus_player/darwin/Classes/OggOpusPlayerPlugin.m	Removes the Objective-C registration shim.
packages/ogg_opus_player/darwin/Classes/OggOpusPlayerPlugin.h	Removes the Objective-C plugin declaration.
packages/ogg_opus_player/darwin/Classes/ogg_opus_player.h	Removes the empty legacy header.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/SwiftOggOpusPlayerPlugin.swift	Provides shared Darwin registration and channels.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/OggOpusPlayer.swift	Relocates playback functionality.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/OggOpusRecorder.swift	Relocates recording functionality.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/OggOpusReader.swift	Imports the SwiftPM C target.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/OggOpusWriter.swift	Imports the SwiftPM C target.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/OggOpusSpeechTranscriber.swift	Relocates speech transcription support.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/AudioMetadata.swift	Relocates recording metadata.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/MixinServices/Queue.swift	Relocates queue utilities.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/MixinServices/Synchronized.swift	Relocates synchronization utilities.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/AudioSession/AudioSession.swift	Relocates iOS audio-session management.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/AudioSession/AudioSessionClient.swift	Relocates the audio-session client protocol.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player/AudioSession/AudioSessionClientPriority.swift	Relocates audio-session priorities.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player_c/opusenc_set_bitrate.c	Adds a non-variadic bitrate wrapper.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player_c/include/ogg_opus_player_c/opusenc_set_bitrate.h	Declares the bitrate wrapper.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player_c/include/ogg_opus_player_c/opusfile.h	Uses package-local headers.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player_c/include/ogg_opus_player_c/opusenc.h	Uses the package-local Opus header.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player_c/include/ogg_opus_player_c/opus_types.h	Adds Opus type declarations.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player_c/include/ogg_opus_player_c/opus_projection.h	Adds the Opus projection API.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player_c/include/ogg_opus_player_c/ogg.hh	Uses the package-local Ogg type header.
packages/ogg_opus_player/darwin/ogg_opus_player/Sources/ogg_opus_player_c/include/ogg_opus_player_c/ogg_os_types.h	Adds portable Ogg type declarations.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libogg.xcframework/Info.plist	Adds the universal macOS libogg slice.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopus.xcframework/Info.plist	Adds the universal macOS libopus slice.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopusenc.xcframework/Info.plist	Adds the universal macOS encoder slice.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopusfile.xcframework/Info.plist	Adds the universal macOS decoder slice.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopusenc.xcframework/ios-arm64/Headers/opus/opusenc.h	Adds device encoder headers.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopusenc.xcframework/ios-arm64_x86_64-simulator/Headers/opus/opusenc.h	Adds simulator encoder headers.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopus.xcframework/ios-arm64/Headers/opus/opus_types.h	Adds device Opus types.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopus.xcframework/ios-arm64/Headers/opus/opus_projection.h	Adds device projection headers.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopus.xcframework/ios-arm64_x86_64-simulator/Headers/opus/opus_types.h	Adds simulator Opus types.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libopus.xcframework/ios-arm64_x86_64-simulator/Headers/opus/opus_projection.h	Adds simulator projection headers.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libogg.xcframework/ios-arm64/Headers/ogg/os_types.h	Adds device Ogg platform types.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libogg.xcframework/ios-arm64/Headers/ogg/ogg.h	Adds the device Ogg API.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libogg.xcframework/ios-arm64/Headers/ogg/config_types.h	Adds device configured Ogg types.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libogg.xcframework/ios-arm64_x86_64-simulator/Headers/ogg/os_types.h	Adds simulator Ogg platform types.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libogg.xcframework/ios-arm64_x86_64-simulator/Headers/ogg/ogg.h	Adds the simulator Ogg API.
packages/ogg_opus_player/darwin/ogg_opus_player/Frameworks/libogg.xcframework/ios-arm64_x86_64-simulator/Headers/ogg/config_types.h	Adds simulator configured Ogg types.

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