feat(events): harden registration checkout lifecycle

apps/payments/migrations/0005_payment_verification_attempts_and_more.py

@@ -0,0 +1,43 @@
+# Generated by Django 5.2.5 on 2026-09-30 18:36
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('payments', '0004_payment_idempotency_key_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='payment',
+            name='verification_attempts',
+            field=models.PositiveSmallIntegerField(default=0, editable=False),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='verification_dispatch_expires_at',
+            field=models.DateTimeField(blank=True, editable=False, null=True),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='verification_last_attempt_at',
+            field=models.DateTimeField(blank=True, editable=False, null=True),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='verification_lease_until',
+            field=models.DateTimeField(blank=True, editable=False, null=True),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='verification_manual_review_at',
+            field=models.DateTimeField(blank=True, editable=False, null=True),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='verification_next_attempt_at',
+            field=models.DateTimeField(blank=True, editable=False, null=True),
+        ),
+    ]

apps/payments/migrations/0006_payment_refund_attempts_and_more.py

@@ -0,0 +1,43 @@
+# Generated by Django 5.2.5 on 2026-09-30 19:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('payments', '0005_payment_verification_attempts_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='payment',
+            name='refund_attempts',
+            field=models.PositiveSmallIntegerField(default=0, editable=False),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='refund_last_attempt_at',
+            field=models.DateTimeField(blank=True, editable=False, null=True),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='refund_last_error',
+            field=models.CharField(blank=True, default='', editable=False, max_length=255),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='refund_next_attempt_at',
+            field=models.DateTimeField(blank=True, editable=False, null=True),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='refund_reference',
+            field=models.CharField(blank=True, editable=False, max_length=64, null=True),
+        ),
+        migrations.AddField(
+            model_name='payment',
+            name='refund_status',
+            field=models.CharField(choices=[('none', 'No refund required'), ('pending', 'Refund pending'), ('succeeded', 'Refund completed'), ('manual_review', 'Refund needs review')], default='none', editable=False, max_length=20),
+        ),
+    ]

apps/payments/migrations/0007_payment_gateway_paid_at.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.5 on 2026-10-01 04:42
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('payments', '0006_payment_refund_attempts_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='payment',
+            name='gateway_paid_at',
+            field=models.DateTimeField(blank=True, editable=False, null=True),
+        ),
+    ]