on_post_batch -> on_batch_complete

src/server.cpp

@@ -535,8 +535,8 @@ void Server::process_connection_batch(
     }
   }
 
-  // Call post-batch handler - handlers can take ownership here
-  handler_.on_post_batch(batch);
+  // Call batch complete handler - handlers can take ownership here
+  handler_.on_batch_complete(batch);
 
   // Transfer all remaining connections back to epoll
   for (auto &conn_ptr : batch) {