fix(backend): use set_kb rtorrent command for speed limits

backend/src/handlers/mod.rs

@@ -595,12 +595,20 @@ pub async fn set_global_limit_handler(
 ) -> impl IntoResponse {
     let client = xmlrpc::RtorrentClient::new(&state.scgi_socket_path);
 
+    // Switch to using set_kb which is often more reliable or the standard way for limits
+
     if let Some(down) = payload.max_download_rate {
-        // Here is the fix: Send as Int
+        let down_kb = down / 1024;
         if let Err(e) = client
-            .call("throttle.global_down.max_rate.set", &[RpcParam::Int(down)])
+            .call(
+                "throttle.global_down.max_rate.set_kb",
+                &[RpcParam::Int(down_kb)],
+            )
             .await
         {
+            // Fallback or error?
+            // Maybe log and ignore?
+            // Let's assume set_kb works if set didn't (or vice versa).
             return (
                 StatusCode::INTERNAL_SERVER_ERROR,
                 format!("Failed to set down limit: {}", e),
@@ -610,8 +618,12 @@ pub async fn set_global_limit_handler(
     }
 
     if let Some(up) = payload.max_upload_rate {
+        let up_kb = up / 1024;
         if let Err(e) = client
-            .call("throttle.global_up.max_rate.set", &[RpcParam::Int(up)])
+            .call(
+                "throttle.global_up.max_rate.set_kb",
+                &[RpcParam::Int(up_kb)],
+            )
             .await
         {
             return (