potion-retrieval-32M): a static distillation that mean-pools precomputed token vectors in wasm — instant and server-free, but lower fidelity.
RRS for the RRSS split set — many byte-capped immutable splits, queried with tier/Bloom/facet pruning, booted from one .rrhc bundle
.rrb impact sidecar — one precomputed tf/length byte per (word, doc), addressed through the posting bitmaps the search already fetched, scored Σ idf × impact. Without it, order is citation rank alone.