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thePR0M3TH3ANandClaude Opus 4.8
c0a8636678
The For You feed was chronological, hashtag-interest-EXCLUSIVE, and ignored follows entirely (docs/feed-algo-audit.md). Now it is inclusive + ranked: - createForYouScorerStage scores each video: follows-boost (author you follow) + interest/watch-topic affinity (cosine vs your interests+watch-history vector) + freshness - disinterest penalty. Reuses Explore's vector/similarity helpers. - createForYouScoreSorter ranks by that score (muted last, recency tiebreak). - For You pipeline: interests now BOOST not exclude (enforceInterests:false); scorer added; chronological sorter replaced. Never empty (falls back to recency when you have no follows/interests/history). - buildForYouFeedRuntime now feeds subscriptionAuthors + watchHistoryTagCounts. Watched/blocked/muted are still removed (suppression/blacklist/moderation stages unchanged). Cheat-resistant tests (older boosted items only win via the boost). Grid renders end-to-end (~1.3s). Weight tuning is a follow-up. Co-Authored-By: Claude Opus 4.8 <[email protected]>