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65bb4e6dfd195418521a75314c8ffd8ec6de02cf
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3 Commits

Author SHA1 Message Date
bvandeusen 51811c9d35 feat(recommendation): add LoadCandidatesFromSimilarity (5-source candidate pool) 
Implements M4c's similarity-driven candidate pool: CandidateSourceLimits,
DefaultCandidateSourceLimits, and LoadCandidatesFromSimilarity consuming
LoadRadioCandidatesV2 (5-way UNION + max-score dedup). Adds 10 integration
tests covering all sources, exclusions, dedup, and edge cases.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-04-29 08:30:53 -04:00
bvandeusen 5b79aa1047 feat(recommendation): LoadCandidates computes per-candidate ContextualMatchScore 
Adds a 6th argument (currentVector SessionVector) to LoadCandidates,
bulk-fetches the user's active contextual_likes in one query, and sets
ContextualMatchScore on each candidate's ScoringInputs via max-similarity
over that candidate's like vectors. Adds helper + 6 integration tests
covering no-likes, single match, multi-like max, soft-delete filtering,
seed-like filtering, and seed-current short-circuit. Adds contextual_likes
to the TRUNCATE list in testPool to prevent cross-test leakage.

internal/api/radio.go is intentionally left broken (Task 6 fixes it).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
 2026-04-27 20:41:55 -04:00
bvandeusen b513c91520 feat(recommendation): add LoadCandidates DB-backed loader 
Wraps the LoadRadioCandidates sqlc query, projects rows to
[]Candidate. Live-DB tests verify seed exclusion, recently-played
exclusion, stat-join correctness (likes + plays + skips +
last_played_at), and cross-user isolation.
 2026-04-27 08:03:20 -04:00