Land release blocker fixes and workspace cleanup

crates/transcription/src/streaming/commit_policy.rs

@@ -108,11 +108,7 @@ impl LocalAgreement {
 
         // Can't commit anything until we have n passes in hand.
         if self.history.len() < self.n {
-            let tentative = self
-                .history
-                .back()
-                .cloned()
-                .unwrap_or_default();
+            let tentative = self.history.back().cloned().unwrap_or_default();
             return CommitDecision {
                 newly_committed: Vec::new(),
                 tentative,

crates/transcription/src/streaming/rms_vad.rs

@@ -121,7 +121,7 @@ impl RmsVadChunker {
             pending_onset_frames: 0,
             onset_buffer: Vec::new(),
             next_sample_index: 0,
-        active_chunk_start: 0,
+            active_chunk_start: 0,
         }
     }
 
@@ -552,10 +552,7 @@ mod tests {
         let mut c = RmsVadChunker::new();
         assert!(c.flush().is_empty());
         let _ = c.push(&constant_signal(16_000, 0.0));
-        assert!(
-            c.flush().is_empty(),
-            "flushing pure silence emits nothing"
-        );
+        assert!(c.flush().is_empty(), "flushing pure silence emits nothing");
     }
 
     #[test]