fix(voice): dropped redundant pub(crate) in private device module

clippy-strict (nursery redundant_pub_crate, -D warnings) rejects pub(crate)
items inside the crate-private device module; plain pub is equivalent there.
Applied across all platform backends since CI only lints the linux cfg.

crates/pi-voice/src/device/coreaudio.rs

@@ -264,7 +264,7 @@ unsafe extern "C" fn capture_callback(
 }
 
 /// Running `CoreAudio` default-speaker queue.
-pub(crate) struct PlaybackDevice {
+pub struct PlaybackDevice {
 	queue:           Option<QueueHandle>,
 	context:         Option<Box<PlaybackContext>>,
 	stopped:         Arc<AtomicBool>,
@@ -374,7 +374,7 @@ impl Drop for PlaybackDevice {
 }
 
 /// Running `CoreAudio` default-microphone queue.
-pub(crate) struct CaptureDevice {
+pub struct CaptureDevice {
 	queue:           Option<QueueHandle>,
 	context:         Option<Box<CaptureContext>>,
 	stopped:         Arc<AtomicBool>,

crates/pi-voice/src/device/linux.rs

@@ -719,7 +719,7 @@ fn finish(
 }
 
 /// Running `PulseAudio` or ALSA playback worker.
-pub(crate) struct PlaybackDevice {
+pub struct PlaybackDevice {
 	device: Arc<RunningDevice>,
 	thread: Option<JoinHandle<()>>,
 	done:   Option<mpsc::Receiver<()>>,
@@ -819,7 +819,7 @@ impl Drop for PlaybackDevice {
 }
 
 /// Running `PulseAudio` or ALSA capture worker.
-pub(crate) struct CaptureDevice {
+pub struct CaptureDevice {
 	device: Arc<RunningDevice>,
 	thread: Option<JoinHandle<()>>,
 	done:   Option<mpsc::Receiver<()>>,

crates/pi-voice/src/device/mod.rs

@@ -48,14 +48,14 @@ use unsupported as imp;
 use crate::VoiceResult;
 
 /// Render callback: fill the whole output buffer with mono `f32` samples.
-pub(crate) type PlaybackFill = Box<dyn FnMut(&mut [f32]) + Send + 'static>;
+pub type PlaybackFill = Box<dyn FnMut(&mut [f32]) + Send + 'static>;
 
 /// Capture callback: consume a non-empty chunk of mono `f32` samples.
-pub(crate) type CaptureSink = Box<dyn FnMut(&[f32]) + Send + 'static>;
+pub type CaptureSink = Box<dyn FnMut(&[f32]) + Send + 'static>;
 
 /// Stream parameters shared by both device directions.
 #[derive(Clone, Copy)]
-pub(crate) struct DeviceConfig {
+pub struct DeviceConfig {
 	/// Logical client-side sample rate in Hz; the OS converts to hardware.
 	pub sample_rate: u32,
 	/// Target callback period in milliseconds.
@@ -70,7 +70,7 @@ impl DeviceConfig {
 }
 
 /// Running default-speaker playback stream driven by a fill callback.
-pub(crate) struct PlaybackDevice {
+pub struct PlaybackDevice {
 	inner: imp::PlaybackDevice,
 }
 
@@ -88,7 +88,7 @@ impl PlaybackDevice {
 }
 
 /// Running default-microphone capture stream driven by a sink callback.
-pub(crate) struct CaptureDevice {
+pub struct CaptureDevice {
 	inner: imp::CaptureDevice,
 }
 

crates/pi-voice/src/device/unsupported.rs

@@ -5,7 +5,7 @@ use crate::VoiceResult;
 
 const UNSUPPORTED: &str = "Native audio is not supported on this platform";
 
-pub(crate) struct PlaybackDevice;
+pub struct PlaybackDevice;
 
 impl PlaybackDevice {
 	pub fn start(_config: DeviceConfig, _fill: PlaybackFill) -> VoiceResult<Self> {
@@ -17,7 +17,7 @@ impl PlaybackDevice {
 	}
 }
 
-pub(crate) struct CaptureDevice;
+pub struct CaptureDevice;
 
 impl CaptureDevice {
 	pub fn start(_config: DeviceConfig, _sink: CaptureSink) -> VoiceResult<Self> {

crates/pi-voice/src/device/wasapi.rs

@@ -493,7 +493,7 @@ impl Drop for CaptureStream {
 	}
 }
 
-pub(crate) struct PlaybackDevice {
+pub struct PlaybackDevice {
 	stop:   Arc<AtomicBool>,
 	event:  Arc<OwnedEvent>,
 	thread: Option<JoinHandle<VoiceResult<()>>>,
@@ -536,7 +536,7 @@ impl Drop for PlaybackDevice {
 	}
 }
 
-pub(crate) struct CaptureDevice {
+pub struct CaptureDevice {
 	stop:   Arc<AtomicBool>,
 	event:  Arc<OwnedEvent>,
 	thread: Option<JoinHandle<VoiceResult<()>>>,