fix: use c.name not c.names in factory reset

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

core/archipelago/src/api/rpc/system.rs

@@ -617,7 +617,7 @@ impl RpcHandler {
         let client = archipelago_container::PodmanClient::new("archipelago".to_string());
         if let Ok(containers) = client.list_containers().await {
             for c in &containers {
-                let _ = client.stop_container(&c.names).await;
+                let _ = client.stop_container(&c.name).await;
             }
         }