Scrape behind logins with persistent sessions

# First, create a session
curl -X POST https://api.anakin.io/v1/sessions \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name": "LinkedIn Session"}'

# Then use it for authenticated scraping
curl -X POST https://api.anakin.io/v1/scrape \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "url": "https://linkedin.com/in/johndoe",
    "session_id": "sess_abc123",
    "format": "markdown"
  }'