data: {"type": "response.created", "response": {"id": "resp_sse_dev3", "model": "gpt-5.3-codex"}}

data: {"type": "response.output_text.delta", "delta": "Proxies "}

data: {"type": "response.output_text.delta", "delta": "in the night..."}

data: {"type": "response.completed", "response": {"id": "resp_sse_dev3", "model": "gpt-5.3-codex", "status": "completed", "usage": {"input_tokens": 500, "output_tokens": 80, "input_tokens_details": {"cached_tokens": 64}, "output_tokens_details": {"reasoning_tokens": 16}, "total_tokens": 580}}}

data: [DONE]

