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feat: #864 support streaming nested tool events in Agent.as_tool #1057

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feat: #864 support streaming nested tool events in Agent.as_tool #1057

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@vrtnis vrtnis commented Jul 10, 2025

  • Add stream_inner_events flag to allow sub-agent tool call visibility
  • Use Runner.run_streamed for streaming inner agents
  • Emit nested tool_called/tool_output events in parent stream
  • Add test coverage for inner streaming behavior

Resolves #864

@vrtnis vrtnis force-pushed the enhancement/add-streaming-inner-events branch 2 times, most recently from 5a0ce3a to dcfaf3f Compare July 10, 2025 23:47
@vrtnis vrtnis mentioned this pull request Jul 11, 2025
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@seratch seratch added enhancement New feature or request feature:core labels Jul 11, 2025
@seratch seratch requested a review from rm-openai July 11, 2025 02:06
@seratch seratch changed the title feat: support streaming nested tool events in Agent.as_tool feat: #864 support streaming nested tool events in Agent.as_tool Jul 11, 2025
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vrtnis commented Jul 16, 2025

@rm-openai i’ve resolved the merge conflict in tool_context.py. The branch is now up to date and ready for your feedback.

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looking forward to this new feature

@rm-openai @vrtnis
Update codex action to use repo syntax (openai#1218)
243462e 
Action isn't published yet, so gotta do this
@vrtnis vrtnis force-pushed the enhancement/add-streaming-inner-events branch from 31af63e to 243462e Compare July 22, 2025 21:04
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yxh-y commented Jul 24, 2025 •
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  if stream_inner_events:
      from .stream_events import RunItemStreamEvent
  
      sub_run = Runner.run_streamed(
          self,
          input=input,
          context=context.context,
      )
  
      parent_queue = getattr(context, "_event_queue", None)

When I test on my project, in the above codes in agent.py, the parent_queue will be None and the sub_run event will not be streaming, I manually init it as:

  parent_queue = asyncio.Queue()
  context._event_queue = parent_queue

It is right?

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Agent.as_tool hides nested tool‑call events — blocks parallel sub‑agents with streaming
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@vrtnis @chrisptang @yxh-y @seratch @rm-openai