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fix: rely on vibe fatigue instead of artist counters
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This commit is contained in:
kami
2026-08-01 21:42:27 +04:00
parent e62b7e8d10
commit 5378af6af1
3 changed files with 4 additions and 73 deletions
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backend/src/routes/v2.routes.ts
+2 -33
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@@ -13,10 +13,6 @@ interface ActivePlan {
servedTrackIds?: string[];
/** Explicit feedback targets (skip, dislike, completion, promotion). */
excludedTrackIds?: string[];
/** Main artists already heard in this Vibe; they get a mild rank penalty. */
servedArtistIds?: string[];
/** Artists explicitly skipped/disliked; they receive the stronger penalty. */
downrankedArtistIds?: string[];
}
const PLAN_TTL_SEC = 2 * 3600;
@@ -43,13 +39,6 @@ function sessionExclusions(active: ActivePlan): string[] {
])];
}
function sessionArtistPenalties(active: ActivePlan): Map<string, number> {
const penalties = new Map<string, number>();
for (const artistId of active.servedArtistIds ?? []) penalties.set(artistId, 0.2);
for (const artistId of active.downrankedArtistIds ?? []) penalties.set(artistId, 0.75);
return penalties;
}
export default async function v2Routes(fastify: FastifyInstance, options: { dbService: DbService; sessionDirector: SessionDirector }) {
const { dbService, sessionDirector: director } = options;
@@ -154,15 +143,6 @@ export default async function v2Routes(fastify: FastifyInstance, options: { dbSe
const next = active.plan.shift()!;
active.servedTrackIds = appendUniqueId(active.servedTrackIds, next.trackId);
const artistResult = await dbService.pgClient.query<{ artist_id: string }>(
`SELECT artist_id FROM track_artists_v2
WHERE track_id = $1 AND role = 'main'
ORDER BY confidence DESC NULLS LAST LIMIT 1`,
[next.trackId]
);
if (artistResult.rows[0]?.artist_id) {
active.servedArtistIds = appendUniqueId(active.servedArtistIds, artistResult.rows[0].artist_id);
}
// Enrich with track details
const track = await dbService.getTrackById(next.trackId);
@@ -174,7 +154,7 @@ export default async function v2Routes(fastify: FastifyInstance, options: { dbSe
active.plan,
[next.trackId],
active.seedTrackId ?? undefined,
{ excludedTrackIds: sessionExclusions(active), artistPenalties: sessionArtistPenalties(active) }
{ excludedTrackIds: sessionExclusions(active) }
);
active.plan = refill;
}
@@ -239,17 +219,6 @@ export default async function v2Routes(fastify: FastifyInstance, options: { dbSe
// Feedback may race /next or arrive after a client-side prefetch. In all
// cases its track becomes ineligible for the rest of this session.
active.excludedTrackIds = appendUniqueId(active.excludedTrackIds, trackId);
if (action === 'skipped' || action === 'disliked') {
const artistResult = await dbService.pgClient.query<{ artist_id: string }>(
`SELECT artist_id FROM track_artists_v2
WHERE track_id = $1 AND role = 'main'
ORDER BY confidence DESC NULLS LAST LIMIT 1`,
[trackId]
);
if (artistResult.rows[0]?.artist_id) {
active.downrankedArtistIds = appendUniqueId(active.downrankedArtistIds, artistResult.rows[0].artist_id);
}
}
const sessionTrackIds = sessionExclusions(active);
const refill = await director.replan(
userId,
@@ -257,7 +226,7 @@ export default async function v2Routes(fastify: FastifyInstance, options: { dbSe
active.plan,
[trackId],
active.seedTrackId ?? undefined,
{ excludedTrackIds: sessionTrackIds, artistPenalties: sessionArtistPenalties(active) }
{ excludedTrackIds: sessionTrackIds }
);
active.plan = refill;
await setActivePlan(userId, active);