// cloudflare-proxy-worker.js
export default {
  async fetch(request, env) {
    const corsHeaders = {
      'Access-Control-Allow-Origin': 'https://mnmllpulse.com',
      'Access-Control-Allow-Methods': 'POST, OPTIONS',
      'Access-Control-Allow-Headers': 'Content-Type',
    };
    if (request.method === 'OPTIONS')
      return new Response(null, { headers: corsHeaders });

    const body = await request.json();
    const res = await fetch('https://api.anthropic.com/v1/messages', {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'x-api-key': env.ANTHROPIC_API_KEY,  // из env, не в коде!
        'anthropic-version': '2023-06-01',
      },
      body: JSON.stringify(body),
    });
    const data = await res.json();
    return Response.json(data, { headers: corsHeaders });
  }
};