adjust registered by to managed by on db aslo remove url and api key on adding sites for gm

backend/apps/sync/migrations/0004_activesite_api_base_url_optional.py

@@ -0,0 +1,36 @@
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ("sync", "0003_rename_citysite_to_activesite"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="activesite",
+            name="api_base_url",
+            field=models.URLField(
+                blank=True,
+                default="",
+                help_text="Optional site API root including /api/v1 (for outbound sync/push)",
+                max_length=255,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="activesite",
+            name="registered_by",
+            field=models.ForeignKey(
+                blank=True,
+                help_text="GM / GM Admin who registered this site by name and code",
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="registered_active_sites",
+                to=settings.AUTH_USER_MODEL,
+            ),
+        ),
+    ]

backend/apps/sync/migrations/0005_rename_registered_by_to_managed_by.py

@@ -0,0 +1,33 @@
+# Generated manually: rename ActiveSite.registered_by → managed_by
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ("sync", "0004_activesite_api_base_url_optional"),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="activesite",
+            old_name="registered_by",
+            new_name="managed_by",
+        ),
+        migrations.AlterField(
+            model_name="activesite",
+            name="managed_by",
+            field=models.ForeignKey(
+                blank=True,
+                help_text="GM / GM Admin who manages this active site",
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                related_name="managed_active_sites",
+                to=settings.AUTH_USER_MODEL,
+            ),
+        ),
+    ]