Add v2 relational domain foundations with import run/file models

apps/stats/admin.py

@@ -5,9 +5,9 @@ from .models import PlayerSeason, PlayerSeasonStats
 
 @admin.register(PlayerSeason)
 class PlayerSeasonAdmin(admin.ModelAdmin):
-    list_display = ("player", "season", "team", "competition", "games_played", "minutes_played")
+    list_display = ("player", "season", "source_uid", "team", "competition", "games_played", "minutes_played")
     list_filter = ("season", "competition")
-    search_fields = ("player__full_name", "team__name", "competition__name", "season__label")
+    search_fields = ("player__full_name", "team__name", "competition__name", "season__label", "source_uid")
 
 
 @admin.register(PlayerSeasonStats)

apps/stats/migrations/0003_playerseason_source_uid_and_more.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.12 on 2026-03-13 12:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('competitions', '0003_competition_source_uid_season_source_uid_and_more'),
+        ('players', '0006_player_source_uid_and_more'),
+        ('stats', '0002_playerseasonstats_search_indexes'),
+        ('teams', '0002_team_source_uid_team_teams_team_source__940258_idx'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='playerseason',
+            name='source_uid',
+            field=models.CharField(blank=True, max_length=160, null=True, unique=True),
+        ),
+        migrations.AddIndex(
+            model_name='playerseason',
+            index=models.Index(fields=['source_uid'], name='stats_playe_source__57b701_idx'),
+        ),
+    ]

apps/stats/models.py

@@ -4,6 +4,7 @@ from django.db import models
 class PlayerSeason(models.Model):
     player = models.ForeignKey("players.Player", on_delete=models.CASCADE, related_name="player_seasons")
     season = models.ForeignKey("competitions.Season", on_delete=models.CASCADE, related_name="player_seasons")
+    source_uid = models.CharField(max_length=160, blank=True, null=True, unique=True)
     team = models.ForeignKey(
         "teams.Team",
         on_delete=models.SET_NULL,
@@ -31,6 +32,7 @@ class PlayerSeason(models.Model):
             )
         ]
         indexes = [
+            models.Index(fields=["source_uid"]),
             models.Index(fields=["player", "season"]),
             models.Index(fields=["season", "team"]),
             models.Index(fields=["season", "competition"]),