Конкретно пересмотрел логику работы. Легаси вынесена в архив

shiftflow/migrations/0021_workitem.py

@@ -0,0 +1,35 @@
+# Generated by Django 6.0.3 on 2026-04-08 03:54
+
+import django.db.models.deletion
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('manufacturing', '0005_assemblypassport_requires_painting_and_more'),
+        ('shiftflow', '0020_dealitem_due_date'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='WorkItem',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('stage', models.CharField(choices=[('cutting', 'Резка'), ('welding', 'Сварка'), ('painting', 'Покраска')], max_length=16, verbose_name='Стадия')),
+                ('quantity_plan', models.PositiveIntegerField(default=0, verbose_name='В план, шт')),
+                ('quantity_done', models.PositiveIntegerField(default=0, verbose_name='Сделано, шт')),
+                ('status', models.CharField(default='planned', max_length=16, verbose_name='Статус')),
+                ('date', models.DateField(default=django.utils.timezone.localdate, verbose_name='Дата')),
+                ('deal', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='shiftflow.deal', verbose_name='Сделка')),
+                ('entity', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='manufacturing.productentity', verbose_name='Сущность')),
+                ('machine', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='shiftflow.machine', verbose_name='Станок/участок')),
+                ('workshop', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='shiftflow.workshop', verbose_name='Цех')),
+            ],
+            options={
+                'verbose_name': 'План работ',
+                'verbose_name_plural': 'План работ',
+            },
+        ),
+    ]