Implement flexible order status management system

Features:
- Created OrderStatus model for managing statuses per tenant
- Added system-level statuses: draft, new, confirmed, in_assembly, in_delivery, completed, return, cancelled
- Implemented CRUD views for managing order statuses
- Created OrderStatusService with status transitions and business logic hooks
- Updated Order model to use ForeignKey to OrderStatus
- Added is_returned flag for tracking returned orders
- Updated filters to work with new OrderStatus model
- Created management command for status initialization
- Added HTML templates for status list, form, and confirmation
- Fixed views.py to use OrderStatus instead of removed STATUS_CHOICES

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

myproject/customers/migrations/0001_initial.py

@@ -1,6 +1,5 @@
-# Generated by Django 5.0.10 on 2025-11-09 22:18
+# Generated by Django 5.0.10 on 2025-11-13 13:12
 
-import django.db.models.deletion
 import phonenumber_field.modelfields
 from django.db import migrations, models
 
@@ -18,7 +17,7 @@ class Migration(migrations.Migration):
             fields=[
                 ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('name', models.CharField(blank=True, max_length=200, verbose_name='Имя')),
-                ('email', models.EmailField(blank=True, max_length=254, verbose_name='Email')),
+                ('email', models.EmailField(blank=True, max_length=254, null=True, unique=True, verbose_name='Email')),
                 ('phone', phonenumber_field.modelfields.PhoneNumberField(blank=True, help_text='Введите телефон в любом формате, например: +375291234567, 80255270546, 8(029)1234567 - будет автоматически преобразован в международный формат', max_length=128, null=True, region=None, unique=True, verbose_name='Телефон')),
                 ('loyalty_tier', models.CharField(choices=[('no_discount', 'Без скидки'), ('bronze', 'Бронза'), ('silver', 'Серебро'), ('gold', 'Золото'), ('platinum', 'Платина')], default='no_discount', max_length=20, verbose_name='Уровень лояльности')),
                 ('total_spent', models.DecimalField(decimal_places=2, default=0, max_digits=10, verbose_name='Общая сумма покупок')),
@@ -33,28 +32,4 @@ class Migration(migrations.Migration):
                 'indexes': [models.Index(fields=['name'], name='customers_c_name_f018e2_idx'), models.Index(fields=['email'], name='customers_c_email_4fdeb3_idx'), models.Index(fields=['phone'], name='customers_c_phone_8493fa_idx'), models.Index(fields=['created_at'], name='customers_c_created_1ed0f4_idx'), models.Index(fields=['loyalty_tier'], name='customers_c_loyalty_5162a0_idx')],
             },
         ),
-        migrations.CreateModel(
-            name='Address',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('recipient_name', models.CharField(help_text='Имя человека, которому будет доставлен заказ', max_length=200, verbose_name='Имя получателя')),
-                ('recipient_phone', phonenumber_field.modelfields.PhoneNumberField(blank=True, help_text='Контактный телефон получателя для уточнения адреса', max_length=128, null=True, region=None, verbose_name='Телефон получателя')),
-                ('street', models.CharField(max_length=255, verbose_name='Улица')),
-                ('building_number', models.CharField(max_length=20, verbose_name='Номер здания')),
-                ('apartment_number', models.CharField(blank=True, max_length=20, null=True, verbose_name='Номер квартиры/офиса')),
-                ('district', models.CharField(blank=True, help_text='Район в Минске для удобства доставки', max_length=100, null=True, verbose_name='Район')),
-                ('delivery_instructions', models.TextField(blank=True, help_text='Дополнительные инструкции для курьера (домофон, подъезд и т.д.)', null=True, verbose_name='Инструкции для доставки')),
-                ('confirm_address_with_recipient', models.BooleanField(default=False, help_text='Курьер должен уточнить адрес у получателя перед доставкой', verbose_name='Уточнить адрес у получателя')),
-                ('is_default', models.BooleanField(default=False, help_text='Использовать этот адрес для доставки по умолчанию', verbose_name='Адрес по умолчанию')),
-                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
-                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата обновления')),
-                ('customer', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='addresses', to='customers.customer', verbose_name='Клиент')),
-            ],
-            options={
-                'verbose_name': 'Адрес доставки',
-                'verbose_name_plural': 'Адреса доставки',
-                'ordering': ['-is_default', '-created_at'],
-                'indexes': [models.Index(fields=['customer'], name='customers_a_custome_53b543_idx'), models.Index(fields=['is_default'], name='customers_a_is_defa_631851_idx'), models.Index(fields=['district'], name='customers_a_distric_ac47d5_idx')],
-            },
-        ),
     ]

myproject/customers/migrations/0002_remove_address_model.py

@@ -1,17 +0,0 @@
-# Generated by Django 5.0.10 on 2025-11-10 23:09
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('customers', '0001_initial'),
-        ('orders', '0003_remove_address_model'),
-    ]
-
-    operations = [
-        migrations.DeleteModel(
-            name='Address',
-        ),
-    ]

myproject/customers/migrations/0003_alter_customer_email.py

@@ -1,18 +0,0 @@
-# Generated by Django 5.0.10 on 2025-11-11 14:34
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('customers', '0002_remove_address_model'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='customer',
-            name='email',
-            field=models.EmailField(blank=True, max_length=254, null=True, verbose_name='Email'),
-        ),
-    ]

myproject/customers/migrations/0004_alter_customer_email.py

@@ -1,18 +0,0 @@
-# Generated by Django 5.0.10 on 2025-11-11 14:35
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('customers', '0003_alter_customer_email'),
-    ]
-
-    operations = [
-        migrations.AlterField(
-            model_name='customer',
-            name='email',
-            field=models.EmailField(blank=True, max_length=254, null=True, unique=True, verbose_name='Email'),
-        ),
-    ]