soulcraft/brainy
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Author SHA1 Message Date
David Snelling
bf4a333f9b docs: rename the native provider to @soulcraft/cor across public docs and JSDoc 
The 3.0 native engine ships as @soulcraft/cor (brainy 8.x <-> cor 3.x are a
version-matched pair); the old @soulcraft/cortex package stays on the 2.x/7.x
line. Public docs and .d.ts-visible comments now name the correct package.
Historical 2.x contract references (e.g. the 2.3.1 read-side fallback) keep
the old name deliberately.
 2026-07-02 15:11:41 -07:00
David Snelling
1f7e365a4e chore(8.0): final pre-RC1 sweep — API consistency, named errors, orphans, zero-cast codebase 2026-06-11 14:51:00 -07:00
David Snelling
b7c6752388 feat: add stddev/variance aggregation ops with Welford's online algorithm 
- New aggregation ops: stddev and variance (incremental, O(1) per update)
- Welford's online algorithm for numerically stable running variance
- MetricState extended with m2 field for variance tracking
- AggregationProvider interface: defineAggregate, removeAggregate, restoreState, serializeState
- Export AggregateGroupState and MetricState types
- Plugin docs: aggregation provider, analytics providers (HyperLogLog, t-digest, etc.)
- Aggregation architecture and usage guide docs

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-02-17 17:04:11 -08:00