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/training/rtx-compress/src/quantization/online_calib.rs

@@ -450,7 +450,10 @@ mod tests {
         // After 500 steps with momentum 0.999, EMA decays substantially.
         // 100 * 0.999^500 ≈ 60.6, but then we add 0.001 * 1 each step,
         // converging toward 1.0.  The resulting scale should be << 100/127.
-        assert!(s < 100.0 / 127.0, "EMA scale {s} should be < spike/quant_max");
+        assert!(
+            s < 100.0 / 127.0,
+            "EMA scale {s} should be < spike/quant_max"
+        );
     }
 
     #[test]
@@ -490,7 +493,10 @@ mod tests {
         let large: Vec<f32> = (-200i32..=200).map(|i| i as f32 * 0.1).collect();
         let q = c.quantize_int8(&large).unwrap();
         for &v in &q {
-            assert!(v >= i8::MIN && v <= i8::MAX, "quantized value {v} out of i8 range");
+            assert!(
+                v >= i8::MIN && v <= i8::MAX,
+                "quantized value {v} out of i8 range"
+            );
         }
     }
 
@@ -606,6 +612,9 @@ mod tests {
         c.observe(&batch);
         let s = c.scale().unwrap();
         // Effective amax should be close to 1.0 (upper end of the batch).
-        assert!(s > 0.0 && s <= 2.0 / 127.0, "scale {s} out of expected range");
+        assert!(
+            s > 0.0 && s <= 2.0 / 127.0,
+            "scale {s} out of expected range"
+        );
     }
 }