Avoid false OpenAI stream failures on incomplete terminal events - #270
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The Responses streaming path treated any stream that ended without response.completed as a hard runtime error, including cancel/incomplete cases that already carried usable partial state. Accept response.incomplete, synthesize partial terminal responses when needed, and cover the behavior with focused regressions. Constraint: keep provider-specific handling inside spoon-core and preserve existing streaming callbacks and metadata. Rejected: surfacing the failure to spoon-bot as a generic runtime error; clearing partial output on incomplete streams. Confidence: high Scope-risk: medium Reversibility: high Directive: incomplete OpenAI Responses streams should degrade gracefully instead of poisoning agent control flow. Tested: python -m pytest tests/test_tool_streaming_output.py::test_openai_chat_with_tools_accepts_response_incomplete_terminal_event tests/test_tool_streaming_output.py::test_openai_chat_with_tools_falls_back_to_streamed_tool_call_when_terminal_event_is_missing tests/test_tool_streaming_output.py::test_openai_chat_stream_uses_responses_reasoning_summary_when_effort_requested -q Not-tested: full spoon-core suite Related: OpenAI Responses stream cancel and incomplete handling
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Testing