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/products/migrations/0001_initial.py

@@ -1,4 +1,4 @@
-# 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
 from django.conf import settings
@@ -177,15 +177,14 @@ class Migration(migrations.Migration):
                 ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('name', models.CharField(max_length=100, unique=True, verbose_name='Название')),
                 ('slug', models.SlugField(max_length=100, unique=True, verbose_name='URL-идентификатор')),
+                ('is_active', models.BooleanField(db_index=True, default=True, verbose_name='Активен')),
                 ('created_at', models.DateTimeField(auto_now_add=True, null=True, verbose_name='Дата создания')),
                 ('updated_at', models.DateTimeField(auto_now=True, null=True, verbose_name='Дата обновления')),
-                ('is_deleted', models.BooleanField(db_index=True, default=False, verbose_name='Удален')),
-                ('deleted_at', models.DateTimeField(blank=True, null=True, verbose_name='Время удаления')),
-                ('deleted_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='deleted_tags', to=settings.AUTH_USER_MODEL, verbose_name='Удален пользователем')),
             ],
             options={
                 'verbose_name': 'Тег товара',
                 'verbose_name_plural': 'Теги товаров',
+                'indexes': [models.Index(fields=['is_active'], name='products_pr_is_acti_7f288f_idx')],
             },
         ),
         migrations.AddField(
@@ -294,14 +293,6 @@ class Migration(migrations.Migration):
             model_name='productphoto',
             index=models.Index(fields=['quality_warning', 'product'], name='products_pr_quality_6e8b51_idx'),
         ),
-        migrations.AddIndex(
-            model_name='producttag',
-            index=models.Index(fields=['is_deleted'], name='products_pr_is_dele_ea9be0_idx'),
-        ),
-        migrations.AddIndex(
-            model_name='producttag',
-            index=models.Index(fields=['is_deleted', 'created_at'], name='products_pr_is_dele_bc2d9c_idx'),
-        ),
         migrations.AddIndex(
             model_name='productkit',
             index=models.Index(fields=['is_temporary'], name='products_pr_is_temp_e407a2_idx'),

myproject/products/migrations/0002_remove_producttag_products_pr_is_dele_ea9be0_idx_and_more.py

@@ -1,42 +0,0 @@
-# Generated by Django 5.0.10 on 2025-11-11 18:31
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('products', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.RemoveIndex(
-            model_name='producttag',
-            name='products_pr_is_dele_ea9be0_idx',
-        ),
-        migrations.RemoveIndex(
-            model_name='producttag',
-            name='products_pr_is_dele_bc2d9c_idx',
-        ),
-        migrations.RemoveField(
-            model_name='producttag',
-            name='deleted_at',
-        ),
-        migrations.RemoveField(
-            model_name='producttag',
-            name='deleted_by',
-        ),
-        migrations.RemoveField(
-            model_name='producttag',
-            name='is_deleted',
-        ),
-        migrations.AddField(
-            model_name='producttag',
-            name='is_active',
-            field=models.BooleanField(db_index=True, default=True, verbose_name='Активен'),
-        ),
-        migrations.AddIndex(
-            model_name='producttag',
-            index=models.Index(fields=['is_active'], name='products_pr_is_acti_7f288f_idx'),
-        ),
-    ]