10,000 staffing worker profiles from profit/ethereal repo. Flattened
JSON → CSV → Parquet. Indexed on HNSW (9.5s) + Lance IVF_PQ (7.2s).
SQL hybrid verified: forklift operators in IL with reliability > 0.8
returned exact matches. Vector search alone missed the state filter —
confirms the hybrid SQL+vector routing need from quality eval.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
