diff --git a/backend/src/db/migrations.ts b/backend/src/db/migrations.ts
index b03c6c0..114cf77 100644
--- a/backend/src/db/migrations.ts
+++ b/backend/src/db/migrations.ts
@@ -851,4 +851,40 @@ export const MIGRATIONS: Migration[] = [
       );
     `,
   },
+  {
+    // Every library scan used to reset a disliked track from HIDDEN back to
+    // LIBRARY, so tracks the listener had rejected kept returning in the Vibe.
+    // The scanner no longer does that; this puts the tracks it already undid
+    // back where the dislike left them. A track whose dislike was deliberately
+    // restored has no `dislikes` row and is untouched here.
+    // `20260707_backfill_claims` wrote tag-derived credits once, and nothing
+    // wrote them afterwards: the scanner filled `track_artists` but left the
+    // claim spine to MusicBrainz. Every track added since, and every track
+    // MusicBrainz does not know, therefore had no edge in `claim_fusion` and
+    // was unreachable by all but one Vibe generator. The scanner now writes
+    // these itself; this catches up the tracks it already missed.
+    id: '20260810_backfill_tag_credits_since_first_scan',
+    sql: `
+      INSERT INTO claims (subject_type, subject_id, predicate, object_type, object_id, source, confidence)
+      SELECT 'track', ta.track_id,
+             CASE WHEN ta.role = 'main' THEN 'credited_main_on' ELSE 'featured_on' END,
+             'artist', ta.artist_id, 'tag', 1.0
+        FROM track_artists ta
+        JOIN tracks t ON t.id = ta.track_id
+       WHERE t.state IN ('LIBRARY', 'RECOMMENDED')
+      ON CONFLICT (subject_type, subject_id, predicate, object_type, object_id, source, user_id)
+      DO NOTHING;
+    `,
+  },
+  {
+    id: '20260810_rehide_resurrected_dislikes',
+    sql: `
+      UPDATE tracks t
+         SET state = 'HIDDEN'
+        FROM dislikes d
+       WHERE d.track_id = t.id
+         AND d.deleted_at IS NULL
+         AND t.state IN ('LIBRARY', 'RECOMMENDED');
+    `,
+  },
 ];