思考模式

curl --location 'https://4sapi.com/chat/completions' \
--header 'Accept: application/json' \
--header 'Authorization: sk-xxx' \
--header 'Content-Type: application/json' \
--data '{
    "messages": [
        {
            "content": "You are a helpful assistant",
            "role": "system"
        },
        {
            "content": "Hi",
            "role": "user"
        }
    ],
    "model": "deepseek-v4-flash",
    "thinking": {
        "type": "enabled"
    },
    "reasoning_effort": "low"
}'