Vercel AI SDK 接入

npm install --save-exact ai@7.0.141 @ai-sdk/openai-compatible@3.0.69

export API_BASE_URL='https://gateway.example.com/v1'
export API_KEY='YOUR_API_KEY'
export API_MODEL='YOUR_CHAT_MODEL_ID'
node examples/ai-sdk.mts

import { createOpenAICompatible } from '@ai-sdk/openai-compatible';
import { generateText } from 'ai';

try {
  const { API_BASE_URL, API_KEY, API_MODEL } = process.env;
  const base = new URL(API_BASE_URL || 'invalid:');
  if (!['http:', 'https:'].includes(base.protocol) || base.username || base.password
    || base.search || base.hash || !API_KEY?.trim() || !API_MODEL?.trim()) {
    throw new Error('Invalid configuration.');
  }
  const provider = createOpenAICompatible({
    name: 'api-gateway', baseURL: base.href.replace(/\/+$/, ''), apiKey: API_KEY,
    fetch: (input, init) => fetch(input, { ...init, redirect: 'error' }),
  });
  const result = await generateText({
    model: provider.chatModel(API_MODEL),
    prompt: 'Say hello in one short sentence.',
    maxRetries: 0,
    abortSignal: AbortSignal.timeout(60_000),
    include: { responseBody: true },
  });
  // Check the raw Chat response as well: adapters can normalize away refusal fields.
  const raw = result.response.body as {
    error?: unknown;
    choices?: Array<{ index?: number; finish_reason?: string; message?: {
      role?: string; content?: unknown; refusal?: unknown; tool_calls?: unknown;
      function_call?: unknown;
    } }>;
  } | undefined;
  const choice = raw?.choices?.[0];
  const message = choice?.message;
  if (raw?.error || raw?.choices?.length !== 1 || choice?.index !== 0
    || choice.finish_reason !== 'stop' || message?.role !== 'assistant'
    || message.refusal != null || message.tool_calls != null || message.function_call != null
    || typeof message.content !== 'string' || !message.content.trim()
    || result.finishReason !== 'stop' || result.toolCalls.length !== 0
    || result.text !== message.content) {
    throw new Error('Expected one completed text response.');
  }
  console.log(result.text);
} catch {
  console.error('AI SDK request failed or returned incomplete text. Check configuration and request logs. No automatic retry.');
  process.exitCode = 1;
}