Добавил недостающие шаблоны, добавил related_name в моделях, добавил недостающие urls

music_storage/music/migrations/0003_alter_track_album.py

@@ -0,0 +1,19 @@
+# Generated by Django 6.0 on 2026-01-02 07:42
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('music', '0002_remove_track_artist'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='track',
+            name='album',
+            field=models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.SET_DEFAULT, related_name='tracks', to='music.album'),
+        ),
+    ]

music_storage/music/migrations/0004_alter_track_album.py

@@ -0,0 +1,19 @@
+# Generated by Django 6.0 on 2026-01-02 07:45
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('music', '0003_alter_track_album'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='track',
+            name='album',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='tracks', to='music.album'),
+        ),
+    ]

music_storage/music/migrations/0005_alter_album_artist.py

@@ -0,0 +1,19 @@
+# Generated by Django 6.0 on 2026-01-02 07:56
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('music', '0004_alter_track_album'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='album',
+            name='artist',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='albums', to='music.artist'),
+        ),
+    ]