Show HN: Nova Buddy AI – a friendly AI assistant for everyday people

Nova Buddy AI is a browser-based everyday AI assistant that answers questions, drafts text and helps plan tasks, with no app install required and no sign-up needed to start. It offers five chat personalities, optional custom "Avatar AIs," and a Buddy memory feature for Buddy Plus subscribers, with a free tier of 50 messages a day and paid plans at $4.99 CAD/month or $79.99 CAD lifetime. The post also describes a Christmas promotion with free holiday tools and an advent calendar opening December 1.