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feat(discover): full reset — clear + rebuild suggestions

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POST /api/discover/reset sets discover.resetRequested; the worker, at the
start of the next sweep, clears all PENDING suggestions + contributions +
seed throttles and nulls WatchedArtist.lastDiscoveredAt (keeping
followed/wanted/dismissed decisions), then regenerates everything with current
logic. A 'Reset' button on /discover (2-step confirm) triggers it.

worker 247, web 190 tests.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Jonathan
2026-07-15 00:20:17 +02:00
parent 7e27654b5a
commit 9915bfbda2
6 changed files with 113 additions and 8 deletions
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worker/tests/test_discovery.py
+29
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@@ -277,3 +277,32 @@ def test_run_discovery_processes_at_most_chunk_size_seeds(conn):
with conn.cursor() as cur:
cur.execute('SELECT count(*) FROM "WatchedArtist" WHERE "lastDiscoveredAt" IS NOT NULL')
assert cur.fetchone()[0] == 2
def test_reset_pending_clears_state_and_marks_seeds_due(conn):
from lyra_worker.discovery import reset_pending
from tests.conftest import insert_discovery_suggestion
insert_watched_artist(conn, mbid="s1", name="Seed", last_discovered_sql="now()")
insert_discovery_suggestion(conn, kind="artist", artist_mbid="c1", status="pending")
insert_discovery_suggestion(conn, kind="artist", artist_mbid="c2", status="dismissed")
insert_discovery_suggestion(conn, kind="artist", artist_mbid="c3", status="wanted")
with conn.cursor() as cur:
cur.execute('INSERT INTO "DiscoverySeedContribution" (id, "candidateMbid", "candidateName", '
'"seedMbid", score, sources, "updatedAt") VALUES '
"(gen_random_uuid()::text, 'c1', 'C1', 's1', 1.0, '{}', now())")
cur.execute('INSERT INTO "DiscoverySeed" (mbid, "lastDiscoveredAt") VALUES (%s, now())', ("libseed",))
conn.commit()
reset_pending(conn)
with conn.cursor() as cur:
cur.execute("SELECT count(*) FROM \"DiscoverySuggestion\" WHERE status='pending'")
assert cur.fetchone()[0] == 0 # pending cleared
cur.execute("SELECT count(*) FROM \"DiscoverySuggestion\" WHERE status IN ('dismissed','wanted')")
assert cur.fetchone()[0] == 2 # user decisions kept
cur.execute('SELECT count(*) FROM "DiscoverySeedContribution"')
assert cur.fetchone()[0] == 0
cur.execute('SELECT count(*) FROM "DiscoverySeed"')
assert cur.fetchone()[0] == 0
cur.execute('SELECT count(*) FROM "WatchedArtist" WHERE "lastDiscoveredAt" IS NULL')
assert cur.fetchone()[0] == 1 # seed due again