接入 LangChain

content = "J'aime la programmation."
additional_kwargs = {
	'refusal': None
}
response_metadata = {
	'token_usage': {
		'completion_tokens': 91,
		'prompt_tokens': 54,
		'total_tokens': 145,
		'completion_tokens_details': {
			'accepted_prediction_tokens': None,
			'audio_tokens': None,
			'reasoning_tokens': 84,
			'rejected_prediction_tokens': None
		},
		'prompt_tokens_details': {
			'audio_tokens': None,
			'cached_tokens': 0
		}
	},
	'model_provider': 'openai',
	'model_name': 'doubao-seed-code-preview-251028',
	'system_fingerprint': None,
	'id': '021775552120955c54cfbc8e773a7e1d131d5b1cad603e0d39497',
	'service_tier': 'default',
	'finish_reason': 'stop',
	'logprobs': None
}
id = 'lc_run--019d6727-47a8-76f1-888f-53c15255066a-0'
tool_calls = [] invalid_tool_calls = [] usage_metadata = {
	'input_tokens': 54,
	'output_tokens': 91,
	'total_tokens': 145,
	'input_token_details': {
		'cache_read': 0
	},
	'output_token_details': {
		'reasoning': 84
	}
}