Переделал модель Parameter и связь с ObjItem

dbapp/mainapp/migrations/0007_remove_parameter_objitems_parameter_objitem.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.2.7 on 2025-11-10 18:39
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mainapp', '0006_alter_customuser_options_alter_geo_options_and_more'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='parameter',
+            name='objitems',
+        ),
+        migrations.AddField(
+            model_name='parameter',
+            name='objitem',
+            field=models.OneToOneField(blank=True, help_text='Связанный объект', null=True, on_delete=django.db.models.deletion.CASCADE, related_name='parameter_obj', to='mainapp.objitem', verbose_name='Объект'),
+        ),
+    ]