Конкретно пересмотрел логику работы. Легаси вынесена в архив

manufacturing/migrations/0005_assemblypassport_requires_painting_and_more.py

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+# Generated by Django 6.0.3 on 2026-04-07 18:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('manufacturing', '0004_castingpassport_outsourcedpassport_partpassport_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='assemblypassport',
+            name='requires_painting',
+            field=models.BooleanField(default=False, verbose_name='Требуется покраска'),
+        ),
+        migrations.AddField(
+            model_name='assemblypassport',
+            name='requires_welding',
+            field=models.BooleanField(default=False, verbose_name='Требуется сварка'),
+        ),
+    ]

manufacturing/migrations/0006_operation_entityoperation.py

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+# Generated by Django 6.0.3 on 2026-04-08 18:00
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('manufacturing', '0005_assemblypassport_requires_painting_and_more'),
+        ('shiftflow', '0022_employeeprofile_allowed_workshops_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Operation',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200, unique=True, verbose_name='Операция')),
+                ('code', models.SlugField(help_text='Стабильный идентификатор (например welding, painting, laser_cutting).', max_length=64, unique=True, verbose_name='Код')),
+                ('workshop', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='shiftflow.workshop', verbose_name='Цех по умолчанию')),
+            ],
+            options={
+                'verbose_name': 'Операция',
+                'verbose_name_plural': 'Операции',
+            },
+        ),
+        migrations.CreateModel(
+            name='EntityOperation',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('seq', models.PositiveSmallIntegerField(default=1, verbose_name='Порядок')),
+                ('entity', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='operations', to='manufacturing.productentity', verbose_name='Сущность')),
+                ('operation', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='manufacturing.operation', verbose_name='Операция')),
+            ],
+            options={
+                'verbose_name': 'Операция сущности',
+                'verbose_name_plural': 'Операции сущностей',
+                'ordering': ('entity', 'seq', 'id'),
+                'unique_together': {('entity', 'seq')},
+            },
+        ),
+    ]

manufacturing/migrations/0007_remove_productentity_route_delete_routestub.py

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+# Generated by Django 6.0.3 on 2026-04-08 18:37
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('manufacturing', '0006_operation_entityoperation'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='productentity',
+            name='route',
+        ),
+        migrations.DeleteModel(
+            name='RouteStub',
+        ),
+    ]