Feature Description ๐ PDF Upload & Processing Extract, chunk, and embed document text on upload ๐ฌ Conversational Chat Ask questions in natural language, get contextual answers ๐ Semantic Search Vector embeddings power similarity-based retrieval ๐ Source Attribution Responses traced back to specific document chunks ๐ง RAG Pipeline Full retrieval-augmented generation implementation ๐พ Persistent History Conversation saved across sessions โก Real-Time Chat UI Auto-scroll, loading states, smooth interaction ๐๏ธ PDF Preview In-app document viewer with page navigation