fixes, orval, downloader functioning again

backend/configuration/management/commands/seed_app_config.py

@@ -0,0 +1,20 @@
+from decimal import Decimal
+from django.core.management.base import BaseCommand
+from configuration.models import SiteConfiguration, VATRate
+
+
+class Command(BaseCommand):
+    help = "Ensure SiteConfiguration singleton and default VAT rates exist."
+
+    def handle(self, *args, **kwargs):
+        config, created = SiteConfiguration.objects.get_or_create(pk=1)
+        if created:
+            self.stdout.write(self.style.SUCCESS("Created default SiteConfiguration."))
+        else:
+            self.stdout.write("SiteConfiguration already exists.")
+
+        if not VATRate.objects.filter(is_active=True).exists():
+            VATRate.objects.create(name="Standard", rate=Decimal('21.0000'), is_default=True, is_active=True)
+            self.stdout.write(self.style.SUCCESS("Created default VAT rate (21%)."))
+        else:
+            self.stdout.write("VAT rates already exist.")

backend/configuration/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# Generated by Django 5.2.7 on 2026-01-24 22:44
+# Generated by Django 5.2.7 on 2026-04-20 17:54
 
 import django.core.validators
 from decimal import Decimal

backend/configuration/migrations/0002_alter_vatrate_rate.py

@@ -0,0 +1,26 @@
+import django.core.validators
+from decimal import Decimal
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('configuration', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='vatrate',
+            name='rate',
+            field=models.DecimalField(
+                decimal_places=4,
+                help_text='VAT rate as percentage (e.g. 19.00 for 19%)',
+                max_digits=6,
+                validators=[
+                    django.core.validators.MinValueValidator(Decimal('0')),
+                    django.core.validators.MaxValueValidator(Decimal('100')),
+                ],
+            ),
+        ),
+    ]

backend/configuration/models.py

@@ -83,7 +83,7 @@ class VATRate(models.Model):
     )
 
     rate = models.DecimalField(
-        max_digits=5, 
+        max_digits=6,
         decimal_places=4,  # Allows rates like 19.5000%
         validators=[MinValueValidator(Decimal('0')), MaxValueValidator(Decimal('100'))],
         help_text="VAT rate as percentage (e.g. 19.00 for 19%)"