giles 50a7f31a39 feed: Phase 3 aggregation + ranking — group-by, recency/velocity/engagement scorers, composite, top-N via stable grade-down + 24 tests ...

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-06 16:44:04 +00:00

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basic.sx

feed: Phase 1 stream model — normalize, APL-backed filter/sort/take/reverse, post/all api + 30 tests

2026-06-06 16:31:36 +00:00

fanout.sx

feed: Phase 2 fanout via outer product — activities ∘.× audience, flatten, edge-guard, dedupe + 29 tests

2026-06-06 16:40:34 +00:00

rank.sx

feed: Phase 3 aggregation + ranking — group-by, recency/velocity/engagement scorers, composite, top-N via stable grade-down + 24 tests

2026-06-06 16:44:04 +00:00