RAG Architecture Diagram

flowchart TD
  User[User] --> App[Web or API]
  App --> Auth[Authentication and RBAC]
  Auth --> Query[Query Understanding]
  Query --> Keyword[Keyword Search]
  Query --> Vector[Vector Search]
  Keyword --> Merge[Merge Results]
  Vector --> Merge
  Merge --> Rerank[Reranker]
  Rerank --> Context[Context Builder]
  Context --> LLM[LLM]
  LLM --> Answer[Answer with Citations]
  Answer --> User
  Docs[Documents] --> Parse[Parse and Clean]
  Parse --> Chunk[Chunk and Enrich Metadata]
  Chunk --> Embed[Embeddings]
  Embed --> Store[Vector Store]
  Store --> Vector