Show HN: I built proxy that keeps RAG working while hiding PII
Hey HN,When you send real documents or customer data to LLMs, you face a painful tradeoff:- Send raw text → privacy disaster - Redact with [REDACTED] → embeddings break, RAG retrieval fails, multi-turn chats become useless, and the model often refuses to answer questions about the redacted entities.The practical solution is consistent pseudonymization: the same real entity always maps to the...