67965ffa8b
- Populate HNSW metadata with all relational columns during INSERT and CREATE INDEX - Add doHybridSearchFiltered() using searchWithFilter() for HNSW pre-filtering - Add SQL function hybrid_search_filtered(table, vec_col, text_col, query, vector, k, filter_col, filter_val) - Enforce k-limit on both doHybridSearch and doHybridSearchFiltered results - 2 tests: tenant isolation + empty filter fallback