clm-hybrid-retrieval

How retrieval works in draftLegal — pgvector dense + Elasticsearch BM25 + RRF fusion, the five retrieval tools (contract_search / portfolio_search / clause_search / portfolio_compare / contract_cite) and when to use which, the indexContract contract that EVERY contract-create path must call, the backfill script for one-shot recovery, and why total≠totalMatching. Invoke when the user asks about agent search, "agent…