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David Snelling c9e2169415 feat(8.0): #35 part-3 — supply at-gen candidate vectors for the native exact-rerank ... Completes brainy's #35 side. When the at-gen vector gate serves a filtered semantic read, Brainy now ships the historically-correct candidate vectors so the native provider reranks against them with zero per-vector FFI crossing — the provider need not duplicate the per-generation retention Brainy already does. - New `AtGenerationVectors { ids: BigInt64Array; vectors: Float32Array; dim }` on the VectorIndexProvider.search options bag (row-major: vectors[i*dim..] == ids[i]; invariant vectors.length === ids.length*dim; ids = the candidate set; dim must match the index dim). The built-in JS index ignores it. - buildAtGenerationVectors resolves each universe id's vector AS OF the generation (the record before-image, or live getNoun when untouched since the pin — not readNounRaw, whose canonical path is empty under lazy-vector eviction), interns the id via the shared mapper, and packs row-major. Absent/vectorless/wrong-dim ids are dropped (not vector-rankable). Bounded by the filtered universe. Shape + the four clarifications (row-major, ids-are-the-candidate-set, dim-asserted, filtered-path-only) confirmed with cor in the handoff #35 thread. Inert until cor's native at-gen rerank advertises isGenerationVisible (honesty guard). Tested: the mock versioned provider now asserts it receives atGenerationVectors with the row-major invariant, correct dim, and ids resolving back to the at-gen universe. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>		2026-06-23 16:50:41 -07:00
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connectionsCodec.ts	feat: graph link compression — delta-varint connections (2.4.0 #3)	2026-05-28 10:37:47 -07:00
hnswIndex.ts	feat(8.0): #35 part-3 — supply at-gen candidate vectors for the native exact-rerank	2026-06-23 16:50:41 -07:00