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discovery: apply the adventurousness dial to "Recommended For You" too

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The similar-artists route now re-ranks by the same popularity penalty: it derives a score from the
SQL signals (occurrence primary + a small similarity tiebreak) and runs apply_adventurousness with the
discover.adventurousness level. At level 0 the function returns the list unchanged, so the featured-
rotation order is fully preserved — the dial only reshuffles once raised. Popularity is already on the
rows; the temp _adv_score key is stripped before returning. Fail-soft.

Both Discover rec rows now respond to the one global dial.
This commit is contained in:
BoulderBadgeDad 2026-06-29 16:15:13 -07:00
parent 29f84b5601
commit c47b36cd6f
1 changed files with 22 additions and 0 deletions
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22
web_server.py
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@ -29565,6 +29565,28 @@ def get_discover_similar_artists():
artist_data["because"] = because
result_artists.append(artist_data)
# Adventurousness re-rank (aurral-style): push globally-popular picks down per the user's dial.
# Derive a score from the SQL signals (occurrence primary, similarity a minor tiebreak); at
# level 0 apply_adventurousness returns the list unchanged, so the featured-rotation order is
# fully preserved. Fail-soft. The frontend shows the top slice, so the obscure ones surface.
try:
_adv_level = float(config_manager.get('discover.adventurousness', 0.3) or 0)
except (TypeError, ValueError):
_adv_level = 0.0
if _adv_level > 0 and result_artists:
try:
for a in result_artists:
_oc = float(a.get('occurrence_count') or 0)
_rank = min(float(a.get('similarity_rank') or 10), 10.0)
a['_adv_score'] = _oc + (10.0 - _rank) * 0.1
from core.discovery.listening_recommendations import apply_adventurousness
result_artists = apply_adventurousness(
result_artists, _adv_level, score_key='_adv_score', tiebreak_key='occurrence_count')
for a in result_artists:
a.pop('_adv_score', None)
except Exception as _adv_err:
logger.debug(f"similar-artists adventurousness re-rank skipped: {_adv_err}")
logger.info(
f"[Similar Artists] {len(similar_artists)} from DB, {len(result_artists)} valid for "
f"{active_source} after excluding {active_server} library artists"