80c3fee9de
- clients/python/baradb/chat_history.py: BaraDBChatHistory class - Stores conversation threads in BaraDB with multi-tenant RLS - session_id + tenant_id + user_id isolation - Auto-creates table and index - Compatible with LangChain message format - examples/rag_pipeline.py: End-to-end RAG pipeline example - PDF/text ingestion -> chunking -> embedding -> BaraDB storage - Hybrid search with vector distance - LLM generation (OpenAI / Ollama) - Supports --file and --query modes - Configurable chunk size, overlap, top-k - PLAN.md: Updated all Session 10 tasks as complete