lot of messs

backend/igny8_core/modules/billing/migrations/0020_add_optimizer_publisher_timestamps.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.2.9 on 2025-12-23 14:24
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0019_add_ai_model_config'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='creditusagelog',
+            name='model_used',
+        ),
+        migrations.AddField(
+            model_name='creditusagelog',
+            name='model_config',
+            field=models.ForeignKey(blank=True, db_column='model_config_id', help_text='AI model configuration used', null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='usage_logs', to='billing.aimodelconfig'),
+        ),
+        migrations.AlterField(
+            model_name='creditusagelog',
+            name='model_name',
+            field=models.CharField(blank=True, help_text='Model name (deprecated, use model_config FK)', max_length=100),
+        ),
+    ]