Describe the bug

From what i have been able to see is when using the session the agent calls add_items and it is prematurely having the async cancellation before everything is recorded.

I was able to see that ‎RunResultStreaming calls cleanup_tasks as soon the stream finishes. As a result the session add_items gets cancelled before the full state has been recorded for the run

Debug information

• Agents SDK version: 0.2.11
• Python version 3.11

Expected behavior

The session should be allowed to complete and save the state