Realtime Subscriptions in Supabase

// Subscribe to INSERT
const channel = supabase
  .channel('posts-insert')
  .on('postgres_changes', {
    event: 'INSERT',
    schema: 'public',
    table: 'posts'
  }, (payload) => {
    console.log('New post:', payload.new)
  })
  .subscribe()

// Cleanup
channel.unsubscribe()