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/scheduler.rs

@@ -564,7 +564,6 @@ pub struct BatchScheduler {
     last_stats_reset: Arc<RwLock<Instant>>,
 
     // ── Prefix / SnapKV integration ─────────────────────────────────────────
-
     /// Optional paged KV cache used for prefix-cache lookups.
     ///
     /// When `Some`, [`submit_request`] checks for a matching prefix in the
@@ -653,11 +652,8 @@ impl BatchScheduler {
             // under contention; fall back to a miss if the lock is busy.
             if let Ok(cache) = cache_arc.try_lock() {
                 if cache.prefix_caching_enabled() {
-                    let tokens_u32: Vec<u32> = request
-                        .input_tokens
-                        .iter()
-                        .map(|&t| t as u32)
-                        .collect();
+                    let tokens_u32: Vec<u32> =
+                        request.input_tokens.iter().map(|&t| t as u32).collect();
                     let pages = cache.lookup_prefix(&tokens_u32);
                     if pages.is_some() {
                         debug!(
@@ -1248,7 +1244,10 @@ mod tests {
 
         // No prefix was registered, so there should be no hit pages.
         let hit_pages = scheduler.get_prefix_hit_pages(request_id).await;
-        assert!(hit_pages.is_none(), "Expected no prefix-cache hit on empty cache");
+        assert!(
+            hit_pages.is_none(),
+            "Expected no prefix-cache hit on empty cache"
+        );
     }
 
     #[tokio::test]
@@ -1288,7 +1287,10 @@ mod tests {
 
         // Now the prefix should be in the cache.
         let hit = cache_arc.lock().await.lookup_prefix(&prompt_tokens_u32);
-        assert!(hit.is_some(), "Prefix should be registered after notify_prefill_complete");
+        assert!(
+            hit.is_some(),
+            "Prefix should be registered after notify_prefill_complete"
+        );
         assert_eq!(hit.unwrap(), vec![page_id]);
     }