Reverted the patch to address transport error (which is caused by

running out of physical memory).

Author: baochunli

plato/clients/strategies/base.py

@@ -218,12 +218,5 @@ async def send_report_and_payload(
         self, context: ClientContext, report: Any, payload: Any
     ) -> None:
         """Send both report metadata and payload to the server."""
-        if getattr(context, "comm_simulation", False):
-            # The server reads the simulated payload file as soon as the report arrives.
-            # Write the payload first to avoid races under high concurrency.
-            await self.send_payload(context, payload)
-            await self.send_report(context, report)
-            return
-
         await self.send_report(context, report)
         await self.send_payload(context, payload)