Files
Lyra/web/prisma/migrations/20260714203518_add_discovery_seed/migration.sql
T
Jonathan e04c1c9795 feat(discover): also seed discovery from owned-album artists
Discovery seeded only from followed artists. Now it also seeds from artists
you own albums by (LibraryItem.artistMbid, captured since the MBID own-state
work) but don't follow — so your library shapes suggestions, not just your
follows.

- New DiscoverySeed throttle table (migration add_discovery_seed) mirroring
  WatchedArtist.lastDiscoveredAt, so each library-derived seed is swept once
  per interval (WatchedArtist seeds keep their own throttle).
- _seed_artists merges both seed sources least-recently-swept first, capped at
  chunk_size; run_discovery stamps the right throttle per seed and evicts
  contributions from seeds that are neither followed nor owned.
- Artists you already have (followed OR owned) are excluded from the suggestion
  candidates — discovery surfaces only genuinely new artists.
- discover.seedFromLibrary config (default true) + a Discovery settings toggle.

NOTE: existing LibraryItem rows have null artistMbid (populated on new
import/scan), so a re-scan is needed before old albums seed discovery.
worker 236, web 187 tests.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-14 22:39:52 +02:00

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SQL

-- CreateTable
CREATE TABLE "DiscoverySeed" (
"mbid" TEXT NOT NULL,
"lastDiscoveredAt" TIMESTAMP(3),
CONSTRAINT "DiscoverySeed_pkey" PRIMARY KEY ("mbid")
);