Arifian.AI v2.0

Major upgrade of the Arifian.AI personal chatbot. Rebuilt from the ground up with a modern RAG (Retrieval-Augmented Generation) architecture. Now powered by GPT-OSS 20B via Groq for fast, high-quality responses, with multilingual SentenceTransformer embeddings (paraphrase-multilingual-MiniLM-L12-v2) supporting 50+ languages including Indonesian. Features include a dedicated admin dashboard for knowledge base management, system prompt customization, file uploads, RAG configuration, and user management. Backend built with FastAPI and MongoDB Atlas vector search, hosted on Hugging Face Spaces with Docker.