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data: {"id":"chatcmpl-steer1","object":"chat.completion.chunk","created":1766229303,"model":"gpt-4o","choices":[{"index":0,"delta":{"content":"first response"},"finish_reason":null}]}

data: {"id":"chatcmpl-steer1","object":"chat.completion.chunk","created":1766229303,"model":"gpt-4o","choices":[{"index":0,"delta":{},"finish_reason":"stop"}]}

data: {"id":"chatcmpl-steer1","object":"chat.completion.chunk","created":1766229303,"model":"gpt-4o","choices":[],"usage":{"prompt_tokens":100,"completion_tokens":10,"total_tokens":110}}

data: [DONE]
