set termination reason and error message

Author: mayinghan

eval_protocol/mcp/execution/manager.py

@@ -163,7 +163,7 @@ async def _execute_with_semaphore(idx):
             evaluation_rows[idx].input_metadata.row_id = envs.dataset_rows[idx].id
             evaluation_rows[idx].input_metadata.dataset_info = asdict(envs.dataset_rows[idx])
             evaluation_rows[idx].tools = shared_tool_schema
-            evaluation_rows[idx].usage = trajectory.usage
+            evaluation_rows[idx].usage = CompletionUsage(**trajectory.usage)
             evaluation_rows[idx].input_metadata.completion_params = CompletionParams(
                 model=policy.model_id,
                 temperature=getattr(policy, "temperature", None),
@@ -306,6 +306,8 @@ async def _execute_rollout(
                         # If there's no user simulator, no tool call means policy failed and we should terminate the rollout
                         elif tool_calls[0].tool_name in ["_playback_terminate", "_no_tool_call"]:
                             trajectory.terminated = True
+                            trajectory.termination_reason = TerminationReason.ERROR
+                            trajectory.control_plane_summary.update({"error_message": "No expected tool call"})
                             break
 
                     # Execute each tool call sequentially