836d30d84a
- Add searchEx() to vector engine returning metadata - Add reciprocalRankFusion(), doHybridSearch(), findRealIdByDocId() helpers - Add SQL functions: hybrid_search(), hybrid_search_ids(), rerank() - Fix CREATE INDEX HNSW docId to use hash(fullKey) matching INSERT - 5 tests covering hybrid search, ids, RRF ranking, rerank, missing indexes