Create Vercel AI SDK Stream Handler

import { streamText } from 'ai';
import { openai } from '@ai-sdk/openai';

// Next.js API handler using Vercel AI SDK for pangenome streaming analysis
export async function POST(req: Request) {
  const { query } = await req.json();
  const result = streamText({
    model: openai('gpt-4o'),
    prompt: `Analyze pangenome graph region for query: ${JSON.stringify(query)}`,
  });
  return result.toDataStreamResponse();
}