Instead of a fixed minBlendedScore or binary has/hasn't-popularity
check, the minimum score threshold now slides based on actual listen
count:
0 listens → threshold 60 (need strong name match)
100 listens → threshold 45
1K listens → threshold 38
10K listens → threshold 30
100K listens → threshold 23
1M+ listens → threshold 15 (almost anything passes)
Uses log scaling so the threshold drops quickly for even modest
popularity and flattens toward the floor for well-known artists.
Shannon Hale (0 listens, score 37) → filtered.
Shannon Kennedy (95 listens, score 58) → kept.
Shannon Wright (766K listens, score 103) → trivially passes.
Added Popularity field to MBArtist, populated by both reranking
paths (index fast path and LB API slow path).
yonlu
33087974fa