一个 API，
接入所有大模型

# 替换 base_url 和 api_key 即可
from openai import OpenAI
client = OpenAI(
    base_url="https://nodekey.xinghanyun.cn/v1",
    api_key="sk-xxxxxxxxxxxxxxxxxxx",
)
response = client.chat.completions.create(
    model="gpt-4o",
    messages=[{"role": "user", "content": "Hello"}],
)
print(response.choices[0].message.content)

// 兼容 OpenAI Node SDK，无需改其它代码
import OpenAI from "openai";
const client = new OpenAI({
  baseURL: "https://nodekey.xinghanyun.cn/v1",
  apiKey: "sk-xxxxxxxxxxxxxxxxxxx",
});
const resp = await client.chat.completions.create({
  model: "gpt-4o",
  messages: [{ role: "user", content: "Hello" }],
});
console.log(resp.choices[0].message.content);

# 原生 REST 调用，完全兼容 OpenAI 规范
curl https://nodekey.xinghanyun.cn/v1/chat/completions \
  -H "Authorization: Bearer $XHY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-4o",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

// Go 客户端示例
import "github.com/sashabaranov/go-openai"
config := openai.DefaultConfig("sk-xxxxxxxxxxxxxxxxxxx")
config.BaseURL = "https://nodekey.xinghanyun.cn/v1"
client := openai.NewClientWithConfig(config)
resp, _ := client.CreateChatCompletion(ctx, openai.ChatCompletionRequest{
  Model: "gpt-4o",
  Messages: []openai.ChatCompletionMessage{{Role: "user", Content: "Hello"}},
})