Обновил модель RecommendationPlaylist, исправил IndexView и изменил вид админки Playlist

music_storage/music/migrations/0012_alter_recommendationplaylist_playlist.py

@@ -0,0 +1,19 @@
+# Generated by Django 6.0 on 2026-01-06 12:04
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('music', '0011_playlist_recommendationplaylist'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='recommendationplaylist',
+            name='playlist',
+            field=models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='recommendations', to='music.playlist'),
+        ),
+    ]