Add v2 relational domain foundations with import run/file models

apps/teams/migrations/0002_team_source_uid_team_teams_team_source__940258_idx.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.2.12 on 2026-03-13 12:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('players', '0006_player_source_uid_and_more'),
+        ('teams', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='team',
+            name='source_uid',
+            field=models.CharField(blank=True, max_length=120, null=True, unique=True),
+        ),
+        migrations.AddIndex(
+            model_name='team',
+            index=models.Index(fields=['source_uid'], name='teams_team_source__940258_idx'),
+        ),
+    ]