Walk me through the lifecycle of a user query, from the moment they hit "Enter" to the final response generation.

How do you handle a "Delete" request in your vector database if a user wants their data removed (Right to be Forgotten)?

How would you architect a retrieval system to solve this 'Multi-hop' problem? Example question: How does the Q3 revenue of our Tokyo office compare to the bonus of the CEO?

If the retriever returns zero relevant documents, how do you prevent the LLM from making up an answer?