style: cargo fmt --workspace (whitespace/wrapping only, no semantic change)

Whole-workspace rustfmt pass picked up while iterating on Mamba GPU
backward work. Verified formatting-only via diff sampling; no logic
changed.

Co-Authored-By: Claude Sonnet 5 <[email protected]>

crates/production/rtx-inference/src/speculative/metrics.rs

@@ -103,10 +103,7 @@ impl WindowedAcceptanceTracker {
         if self.buffer.is_empty() {
             return 0.0;
         }
-        self.buffer
-            .iter()
-            .copied()
-            .fold(f32::INFINITY, f32::min)
+        self.buffer.iter().copied().fold(f32::INFINITY, f32::min)
     }
 
     /// Maximum value in the current window, or `0.0` if empty.
@@ -266,8 +263,7 @@ impl PerformanceMetrics {
         };
 
         // Push per-step acceptance rate into the sliding window.
-        let step_rate =
-            step_result.accepted_tokens as f32 / step_result.draft_tokens.max(1) as f32;
+        let step_rate = step_result.accepted_tokens as f32 / step_result.draft_tokens.max(1) as f32;
         self.windowed.push(step_rate);
 
         // Estimate speedup ratio
@@ -338,10 +334,7 @@ mod tests {
         assert!(tracker.is_full());
         // Sum should be 0.2 + 0.3 + 0.4 = 0.9 → mean ≈ 0.3
         let rate = tracker.windowed_rate();
-        assert!(
-            (rate - 0.3).abs() < 1e-5,
-            "expected ~0.3, got {rate}"
-        );
+        assert!((rate - 0.3).abs() < 1e-5, "expected ~0.3, got {rate}");
     }
 
     #[test]
@@ -438,8 +431,16 @@ mod tests {
         tracker.push(0.3);
         tracker.push(0.7);
         tracker.push(0.9);
-        assert!((tracker.min() - 0.3).abs() < 1e-5, "min got {}", tracker.min());
-        assert!((tracker.max() - 0.9).abs() < 1e-5, "max got {}", tracker.max());
+        assert!(
+            (tracker.min() - 0.3).abs() < 1e-5,
+            "min got {}",
+            tracker.min()
+        );
+        assert!(
+            (tracker.max() - 0.9).abs() < 1e-5,
+            "max got {}",
+            tracker.max()
+        );
     }
 
     #[test]
@@ -455,7 +456,7 @@ mod tests {
     fn test_clamp_out_of_range() {
         let mut tracker = WindowedAcceptanceTracker::new(5);
         tracker.push(-0.5); // clamped to 0.0
-        tracker.push(1.5);  // clamped to 1.0
+        tracker.push(1.5); // clamped to 1.0
         assert!((tracker.windowed_rate() - 0.5).abs() < 1e-5);
     }
 }