Add company welcome and verified NetKingdom sign-in

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a092fe-13b1-7f12-ac74-7d258af4d79c

vergabe_teilnahme/apps/accounts/migrations/0003_oidcidentity.py

@@ -0,0 +1,45 @@
+# Generated by Django 6.0.5 on 2026-09-12 00:31
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("accounts", "0002_alter_mitarbeiter_mobilnummer_and_more"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="OIDCIdentity",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("issuer", models.CharField(max_length=512)),
+                ("subject", models.CharField(max_length=512)),
+                (
+                    "user",
+                    models.OneToOneField(
+                        on_delete=django.db.models.deletion.PROTECT,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+            ],
+            options={
+                "constraints": [
+                    models.UniqueConstraint(
+                        fields=("issuer", "subject"), name="unique_oidc_identity"
+                    )
+                ],
+            },
+        ),
+    ]