feat: submission confirmation and payment locking

claims/migrations/0006_systemsetting.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.2.8 on 2025-11-08 17:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('claims', '0005_claim_paid_at_claim_paid_by_alter_claimlog_action'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='SystemSetting',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('internal_payments_enabled', models.BooleanField(default=True)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+            ],
+            options={
+                'verbose_name': 'Systeminställning',
+                'verbose_name_plural': 'Systeminställningar',
+            },
+        ),
+    ]