Option to build without recording on iOS, so playback-only apps don't need NSMicrophoneUsageDescription #1350

Feature Request

I use react-native-audio-api 0.13.6 only for playback: sound effects and music, with iosCategory: 'ambient'. The app never records and never calls requestRecordingPermissions().

App Store Connect still rejects the build:

ITMS-90683: Missing purpose string in Info.plist. Your app's code references one or more APIs that access sensitive user data [...] The Info.plist file should contain a NSMicrophoneUsageDescription key [...]

Apple's static scan finds the recording code that is always compiled in, for example:

• ios/audioapi/ios/system/AudioSessionManager.mm: requestRecordPermission / AVAudioApplication requestRecordPermissionWithCompletionHandler
• ios/audioapi/ios/system/AudioEngine.mm: audioEngine.inputNode

The fix today is adding a microphone purpose string (through iosMicrophonePermission or ios.infoPlist) to an app that never uses the microphone. This works, but it's confusing for developers and it shows up in privacy reviews.

Proposal: add an opt-out like disableFFmpeg, for example disableRecording in the config plugin, which would set ENV['DISABLE_AUDIOAPI_RECORDING'] = '1' in the Podfile. The podspec would then exclude the recorder sources and compile out the permission and input-node code paths behind a preprocessor flag. On Android, the same option could drop RECORD_AUDIO, if the library adds it.

The recording JS APIs could throw a clear error when the native side was built without recording.

Happy to test a build on a playback-only app.