feat(submissions): scoped submissions per user/matchs, sync from polylan

polylan_submitter/submissions/migrations/0008_remove_submission_game.py

@@ -0,0 +1,17 @@
+# Generated by Django 6.0.5 on 2026-09-16 09:27
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("submissions", "0007_submission_scope"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="submission",
+            name="game",
+        ),
+    ]