Reorganized the Recording package target into folders.

Attendi.xcodeproj/project.pbxproj

@@ -23,8 +23,6 @@
 			membershipExceptions = (
 				Attendi/Assets.xcassets,
 				Attendi/AttendiApp.swift,
-				Attendi/AudioRecordingService.swift,
-				Attendi/AudioTranscribingService.swift,
 				Attendi/ContentView.swift,
 			);
 			target = 02870A0C2FF7EB610079EA3A /* Attendi */;

Packages/Features/Sources/Recording/Protocols/RecordingService.swift

@@ -21,33 +21,3 @@ public protocol RecordingService: Sendable {
     func stop() async throws -> Data
 
 }
-
-// MARK: - Services
-
-/// The recording service used by default, which simulates the audio capture without touching a microphone.
-public struct SimulatedRecordingService: RecordingService {
-
-    // MARK: Initializers
-
-    /// Creates a simulated recording service.
-    public init() {}
-
-    // MARK: Methods
-
-    /// Simulates the start of an audio recording.
-    public func start() async throws {}
-
-    /// Simulates the pause of an ongoing recording.
-    public func pause() async throws {}
-
-    /// Simulates the resumption of a paused recording.
-    public func resume() async throws {}
-
-    /// Simulates the stop of a recording.
-    ///
-    /// - Returns: An empty audio payload.
-    public func stop() async throws -> Data {
-        .init()
-    }
-
-}

Packages/Features/Sources/Recording/Protocols/TranscribingService.swift

@@ -0,0 +1,15 @@
+import Foundation
+
+/// A service that transcribes recorded audio into text for the Recording feature.
+///
+/// ``RecordingView`` attaches the service to its model at initialization, so the transcription can be swapped without touching the feature's
+/// state machine — for example, with a real transcription backend in the app, or with a fast mock in unit tests.
+public protocol TranscribingService: Sendable {
+
+    /// Transcribes the given recorded audio into text.
+    ///
+    /// - Parameter audio: The recorded audio to transcribe.
+    /// - Returns: The transcription of the recorded audio.
+    func transcribe(_ audio: Data) async throws -> String
+
+}

Packages/Features/Sources/Recording/Services/AudioRecordingService.swift

@@ -1,13 +1,12 @@
 import AVFoundation
-import Recording
 
-/// The recording service used by the Attendi sample app, which captures real audio from the device's microphone.
+/// The recording service that captures real audio from the device's microphone.
 ///
 /// The service records into a temporary `.m4a` file through an `AVAudioRecorder`, and returns the file's contents when the recording stops.
 /// The user's permission to record is requested before a recording starts and, on the platforms that require it, the shared audio session is
 /// configured for recording while the capture is in progress.
 @MainActor
-final class AudioRecordingService: RecordingService {
+public final class AudioRecordingService: RecordingService {
 
     // MARK: Properties
 
@@ -17,7 +16,7 @@ final class AudioRecordingService: RecordingService {
     // MARK: Initializers
 
     /// Creates an audio recording service.
-    init() {}
+    public init() {}
 
     // MARK: Methods
 
@@ -26,7 +25,7 @@ final class AudioRecordingService: RecordingService {
     /// - Throws: ``AudioRecordingError/permissionNotGranted`` when the user denies the app access to the microphone,
     /// ``AudioRecordingError/captureNotStarted`` when the recorder fails to start, or any error thrown while configuring
     /// the audio session or creating the recorder.
-    func start() async throws {
+    public func start() async throws {
         guard await AVAudioApplication.requestRecordPermission() else {
             throw AudioRecordingError.permissionNotGranted
         }
@@ -53,7 +52,7 @@ final class AudioRecordingService: RecordingService {
     /// Pauses the ongoing recording.
     ///
     /// - Throws: ``AudioRecordingError/noOngoingRecording`` when no recording is in progress.
-    func pause() async throws {
+    public func pause() async throws {
         guard let recorder else {
             throw AudioRecordingError.noOngoingRecording
         }
@@ -65,7 +64,7 @@ final class AudioRecordingService: RecordingService {
     ///
     /// - Throws: ``AudioRecordingError/noOngoingRecording`` when no recording is in progress, or
     /// ``AudioRecordingError/captureNotStarted`` when the recorder fails to resume.
-    func resume() async throws {
+    public func resume() async throws {
         guard let recorder else {
             throw AudioRecordingError.noOngoingRecording
         }
@@ -79,7 +78,7 @@ final class AudioRecordingService: RecordingService {
     /// - Returns: The audio captured since the recording started.
     /// - Throws: ``AudioRecordingError/noOngoingRecording`` when no recording is in progress, or any error thrown
     /// while reading the recorded audio file.
-    func stop() async throws -> Data {
+    public func stop() async throws -> Data {
         guard let recorder else {
             throw AudioRecordingError.noOngoingRecording
         }
@@ -104,7 +103,7 @@ final class AudioRecordingService: RecordingService {
 // MARK: - Errors
 
 /// The errors thrown by ``AudioRecordingService``.
-enum AudioRecordingError: Error {
+public enum AudioRecordingError: Error {
     /// The recorder failed to start or resume the audio capture.
     case captureNotStarted
     /// No recording is in progress.
@@ -120,6 +119,7 @@ private enum Constant {
     /// The audio constants.
     enum Audio {
         /// The settings of the recorded audio: single-channel AAC at a 44.1 kHz sample rate, encoded in high quality.
+        @MainActor
         static let settings: [String: Any] = [
             AVFormatIDKey: kAudioFormatMPEG4AAC,
             AVNumberOfChannelsKey: 1,

Packages/Features/Sources/Recording/Services/AudioTranscribingService.swift

@@ -1,18 +1,17 @@
 import AVFoundation
-import Recording
 import Speech
 
-/// The transcribing service used by the Attendi sample app, which transcribes recorded audio into text on device.
+/// The transcribing service that transcribes recorded audio into text on device.
 ///
 /// The service writes the recorded audio into a temporary `.m4a` file and runs it through a `SpeechAnalyzer` with a `SpeechTranscriber`
 /// module, joining the finalized results into the returned text. The speech model assets for the current locale are downloaded and installed
 /// on first use; every transcription after that happens entirely offline.
-struct AudioTranscribingService: TranscribingService {
+public struct AudioTranscribingService: TranscribingService {
 
     // MARK: Initializers
 
-    /// Creates a speech transcribing service.
-    init() {}
+    /// Creates an audio transcribing service.
+    public init() {}
 
     // MARK: Methods
 
@@ -22,7 +21,7 @@ struct AudioTranscribingService: TranscribingService {
     /// - Returns: The transcription of the recorded audio.
     /// - Throws: ``AudioTranscribingError/localeNotSupported`` when the transcriber does not support the current locale, or any
     /// error thrown while installing the speech model assets, reading the audio file, or analyzing its contents.
-    func transcribe(_ audio: Data) async throws -> String {
+    public func transcribe(_ audio: Data) async throws -> String {
         try audio.write(to: Constant.File.url)
 
         defer {
@@ -64,15 +63,15 @@ struct AudioTranscribingService: TranscribingService {
 // MARK: - Errors
 
 /// The errors thrown by ``AudioTranscribingService``.
-enum AudioTranscribingError: Error {
+public enum AudioTranscribingError: Error {
     /// The transcriber does not support the current locale.
     case localeNotSupported
 }
 
 // MARK: - Constants
 
-/// The constant values used across the speech transcribing service.
-private nonisolated enum Constant {
+/// The constant values used across the audio transcribing service.
+private enum Constant {
     /// The file constants.
     enum File {
         /// The location of the temporary file the recorded audio is written into for the analysis.

Packages/Features/Sources/Recording/Services/DummyRecordingService.swift

@@ -0,0 +1,27 @@
+import Foundation
+
+/// The recording service used for development, which simulates the audio capture without touching a microphone.
+///
+/// The service is internal on purpose: it only backs the feature's previews and the default values of its model, and is not part of the
+/// package's public interface.
+struct DummyRecordingService: RecordingService {
+
+    // MARK: Methods
+
+    /// Simulates the start of an audio recording.
+    func start() async throws {}
+
+    /// Simulates the pause of an ongoing recording.
+    func pause() async throws {}
+
+    /// Simulates the resumption of a paused recording.
+    func resume() async throws {}
+
+    /// Simulates the stop of a recording.
+    ///
+    /// - Returns: An empty audio payload.
+    func stop() async throws -> Data {
+        .init()
+    }
+
+}

Packages/Features/Sources/Recording/Services/DummyTranscribingService.swift

@@ -0,0 +1,38 @@
+import Foundation
+
+/// The transcribing service used for development, which simulates the transcription work.
+///
+/// The service is internal on purpose: it only backs the feature's previews and the default values of its model, and is not part of the
+/// package's public interface.
+struct DummyTranscribingService: TranscribingService {
+
+    // MARK: Methods
+
+    /// Simulates the transcription of the given recorded audio with a two-second delay.
+    ///
+    /// - Parameter audio: The recorded audio to transcribe.
+    /// - Returns: A dummy transcription.
+    func transcribe(_ audio: Data) async throws -> String {
+        try await Task.sleep(for: Constant.Delay.transcribing)
+
+        return Constant.Text.transcription
+    }
+
+}
+
+// MARK: - Constants
+
+/// The constant values used across the transcribing services.
+private enum Constant {
+    /// The delay constants.
+    enum Delay {
+        /// The duration of the simulated transcription work.
+        static let transcribing: Duration = .seconds(2)
+    }
+
+    /// The text constants.
+    enum Text {
+        /// The dummy transcription of a recorded audio.
+        static let transcription = "This is a dummy transcription of the recorded audio."
+    }
+}

Packages/Features/Sources/Recording/TranscribingService.swift

@@ -1,56 +0,0 @@
-import Foundation
-
-/// A service that transcribes recorded audio into text for the Recording feature.
-///
-/// ``RecordingView`` attaches the service to its model at initialization, so the transcription can be swapped without touching the feature's
-/// state machine — for example, with a real transcription backend in the app, or with a fast mock in unit tests.
-public protocol TranscribingService: Sendable {
-
-    /// Transcribes the given recorded audio into text.
-    ///
-    /// - Parameter audio: The recorded audio to transcribe.
-    /// - Returns: The transcription of the recorded audio.
-    func transcribe(_ audio: Data) async throws -> String
-
-}
-
-// MARK: - Services
-
-/// The transcribing service used by default, which simulates the transcription work.
-public struct SimulatedTranscribingService: TranscribingService {
-
-    // MARK: Initializers
-
-    /// Creates a simulated transcribing service.
-    public init() {}
-
-    // MARK: Methods
-
-    /// Simulates the transcription of the given recorded audio with a two-second delay.
-    ///
-    /// - Parameter audio: The recorded audio to transcribe.
-    /// - Returns: A dummy transcription.
-    public func transcribe(_ audio: Data) async throws -> String {
-        try await Task.sleep(for: Constant.Delay.transcribing)
-
-        return Constant.Text.transcription
-    }
-
-}
-
-// MARK: - Constants
-
-/// The constant values used across the transcribing services.
-private enum Constant {
-    /// The delay constants.
-    enum Delay {
-        /// The duration of the simulated transcription work.
-        static let transcribing: Duration = .seconds(2)
-    }
-
-    /// The text constants.
-    enum Text {
-        /// The dummy transcription of a recorded audio.
-        static let transcription = "This is a dummy transcription of the recorded audio."
-    }
-}

Packages/Features/Sources/Recording/View Models/RecordingViewModel.swift

@@ -40,11 +40,11 @@ extension RecordingView {
         /// Creates a model attached to the given recording and transcribing services.
         ///
         /// - Parameters:
-        ///   - recorder: The service that captures the audio from a microphone. Defaults to ``SimulatedRecordingService``.
-        ///   - transcriber: The service that transcribes the recorded audio into text. Defaults to ``SimulatedTranscribingService``.
+        ///   - recorder: The service that captures the audio from a microphone. Defaults to ``DummyRecordingService``.
+        ///   - transcriber: The service that transcribes the recorded audio into text. Defaults to ``DummyTranscribingService``.
         init(
-            recorder: any RecordingService = SimulatedRecordingService(),
-            transcriber: any TranscribingService = SimulatedTranscribingService()
+            recorder: any RecordingService = DummyRecordingService(),
+            transcriber: any TranscribingService = DummyTranscribingService()
         ) {
             self.recorder = recorder
             self.transcriber = transcriber

Packages/Features/Sources/Recording/Views/RecordingView.swift

@@ -123,7 +123,7 @@ private enum Constant {
     "Recording view"
 ) {
     RecordingView(
-        recorder: SimulatedRecordingService(),
-        transcriber: SimulatedTranscribingService()
+        recorder: DummyRecordingService(),
+        transcriber: DummyTranscribingService()
     )
 }