Land release blocker fixes and workspace cleanup

crates/audio/src/wav.rs

@@ -42,9 +42,8 @@ impl WavWriter {
         };
         let file = std::fs::File::create(path).map_err(KonError::Io)?;
         let buffered = BufWriter::new(file);
-        let inner = hound::WavWriter::new(buffered, spec).map_err(|e| {
-            KonError::Io(std::io::Error::other(format!("WAV create failed: {e}")))
-        })?;
+        let inner = hound::WavWriter::new(buffered, spec)
+            .map_err(|e| KonError::Io(std::io::Error::other(format!("WAV create failed: {e}"))))?;
         Ok(Self {
             inner,
             samples_since_flush: 0,
@@ -77,9 +76,9 @@ impl WavWriter {
     /// `Self::DEFAULT_FLUSH_EVERY_SAMPLES` — but may do so at natural
     /// boundaries (end-of-utterance, UI events) for tighter recovery.
     pub fn flush(&mut self) -> Result<()> {
-        self.inner.flush().map_err(|e| {
-            KonError::Io(std::io::Error::other(format!("WAV flush failed: {e}")))
-        })?;
+        self.inner
+            .flush()
+            .map_err(|e| KonError::Io(std::io::Error::other(format!("WAV flush failed: {e}"))))?;
         self.samples_since_flush = 0;
         Ok(())
     }
@@ -244,8 +243,7 @@ mod tests {
         let _ = std::fs::remove_file(&path);
 
         // Write 100 samples (200 bytes at 16-bit).
-        let original =
-            AudioSamples::mono_16khz((0..100).map(|i| (i as f32) / 100.0).collect());
+        let original = AudioSamples::mono_16khz((0..100).map(|i| (i as f32) / 100.0).collect());
         write_wav(&path, &original).unwrap();
 
         // Drop the last 10 bytes — 5 samples' worth. hound's iterator