style(format): reformat code with consistent line breaks and spacing

rate_limit.rs

@@ -61,8 +61,6 @@ fn get_max_concurrent() -> usize {
         .unwrap_or_else(|e| e.into_inner())
 }
 
-
-
 /// A guard that holds a rate-limit permit. The permit is released on drop.
 pub struct RateLimitGuard {
     /// The semaphore permit. Dropping this releases the permit.
@@ -212,10 +210,7 @@ pub fn cleanup_idle_semaphores() {
     });
 
     if removed > 0 {
-        tracing::info!(
-            removed = removed,
-            "cleaned up idle rate-limit semaphores"
-        );
+        tracing::info!(removed = removed, "cleaned up idle rate-limit semaphores");
     }
 }