diff --git a/myproject/orders/management/commands/cleanup_draft_orders.py b/myproject/orders/management/commands/cleanup_draft_orders.py
deleted file mode 100644
index dc416cc..0000000
--- a/myproject/orders/management/commands/cleanup_draft_orders.py
+++ /dev/null
@@ -1,95 +0,0 @@
-"""
-Management :><0=40 4;O >G8AB:8 AB0@KE G5@=>28:>2 70:07>2.
-
-#40;O5B G5@=>28:8 70:07>2, :>B>@K5 =5 >1=>2;O;8AL 1>;55 C:070==>3> :>;8G5AB20 4=59.
-"0:65 C40;O5B A2O70==K5 2@5<5==K5 :><?;5:BK.
-
-A?>;L7>20=85:
-    python manage.py cleanup_draft_orders --days=30
-    python manage.py cleanup_draft_orders --days=7 --dry-run
-"""
-
-from django.core.management.base import BaseCommand, CommandError
-from orders.services import DraftOrderService
-
-
-class Command(BaseCommand):
-    help = '#40;O5B AB0@K5 G5@=>28:8 70:07>2 8 A2O70==K5 2@5<5==K5 :><?;5:BK'
-
-    def add_arguments(self, parser):
-        parser.add_argument(
-            '--days',
-            type=int,
-            default=30,
-            help='>;8G5AB2> 4=59, ?>A;5 :>B>@KE G5@=>28: AG8B05BAO AB0@K< (?> C<>;G0=8N: 30)'
-        )
-        parser.add_argument(
-            '--dry-run',
-            action='store_true',
-            help='>:070BL :>;8G5AB2> G5@=>28:>2 4;O C40;5=8O 157 D0:B8G5A:>3> C40;5=8O'
-        )
-
-    def handle(self, *args, **options):
-        days = options['days']
-        dry_run = options['dry_run']
-
-        if days < 1:
-            raise CommandError('>;8G5AB2> 4=59 4>;6=> 1KBL 1>;LH5 0')
-
-        self.stdout.write(
-            self.style.WARNING(
-                f'>8A: G5@=>28:>2 AB0@H5 {days} 4=59...'
-            )
-        )
-
-        if dry_run:
-            #  @568<5 dry-run B>;L:> ?>4AG8BK205<
-            from datetime import timedelta
-            from django.utils import timezone
-            from orders.models import Order
-
-            cutoff_date = timezone.now() - timedelta(days=days)
-            old_drafts = Order.objects.filter(
-                status__code='draft',
-                last_autosave_at__lt=cutoff_date
-            )
-            count = old_drafts.count()
-
-            if count == 0:
-                self.stdout.write(
-                    self.style.SUCCESS(
-                        f'5B G5@=>28:>2 AB0@H5 {days} 4=59'
-                    )
-                )
-            else:
-                self.stdout.write(
-                    self.style.WARNING(
-                        f'0945=> {count} G5@=>28:>2 4;O C40;5=8O:'
-                    )
-                )
-                for draft in old_drafts:
-                    last_save = draft.last_autosave_at.strftime('%d.%m.%Y %H:%M') if draft.last_autosave_at else '=8:>340'
-                    self.stdout.write(
-                        f'  - 0:07 #{draft.order_number} (?>A;54=55 A>E@0=5=85: {last_save})'
-                    )
-                self.stdout.write(
-                    self.style.WARNING(
-                        f'\n0?CAB8B5 157 --dry-run 4;O D0:B8G5A:>3> C40;5=8O'
-                    )
-                )
-        else:
-            # $0:B8G5A:>5 C40;5=85
-            count = DraftOrderService.delete_old_drafts(days=days)
-
-            if count == 0:
-                self.stdout.write(
-                    self.style.SUCCESS(
-                        f'5B G5@=>28:>2 AB0@H5 {days} 4=59'
-                    )
-                )
-            else:
-                self.stdout.write(
-                    self.style.SUCCESS(
-                        f'#A?5H=> C40;5=> {count} G5@=>28:>2 8 A2O70==KE 2@5<5==KE :><?;5:B>2'
-                    )
-                )
diff --git a/myproject/test_output.txt b/myproject/test_output.txt
index af0de45..513f2cb 100644
--- a/myproject/test_output.txt
+++ b/myproject/test_output.txt
@@ -268,92 +268,29 @@ ERROR: test_01_draft_to_completed_to_cancelled_to_completed (inventory.tests.tes
 ╩╨╚╥╚╫┼╤╩╚╔ ╥┼╤╥ #1: ╠эюцхёЄтхээ√х яхЁхїюф√ ьхцфє ёЄрЄєёрьш
 ----------------------------------------------------------------------
 Traceback (most recent call last):
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
-    return self.cursor.execute(sql, params)
-           ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-psycopg2.errors.StringDataRightTruncation: value too long for type character varying(7)
-
-
-The above exception was the direct cause of the following exception:
-
-Traceback (most recent call last):
-  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 80, in setUp
-    self._create_system_entities()
-    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
-  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 101, in _create_system_entities
-    self.status_draft = OrderStatus.objects.create(
-                        ~~~~~~~~~~~~~~~~~~~~~~~~~~^
-        code='draft',
-        ^^^^^^^^^^^^^
-    ...<5 lines>...
-        order=0
-        ^^^^^^^
-    )
-    ^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\manager.py", line 87, in manager_method
-    return getattr(self.get_queryset(), name)(*args, **kwargs)
-           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\query.py", line 679, in create
-    obj.save(force_insert=True, using=self.db)
-    ~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\base.py", line 822, in save
-    self.save_base(
-    ~~~~~~~~~~~~~~^
-        using=using,
-        ^^^^^^^^^^^^
-    ...<2 lines>...
-        update_fields=update_fields,
-        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-    )
-    ^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\base.py", line 909, in save_base
-    updated = self._save_table(
-        raw,
-    ...<4 lines>...
-        update_fields,
-    )
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\base.py", line 1071, in _save_table
-    results = self._do_insert(
-        cls._base_manager, using, fields, returning_fields, raw
-    )
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\base.py", line 1112, in _do_insert
-    return manager._insert(
-           ~~~~~~~~~~~~~~~^
-        [self],
-        ^^^^^^^
+  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 83, in setUp
+    self._create_test_data()
+    ~~~~~~~~~~~~~~~~~~~~~~^^
+  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 184, in _create_test_data
+    self.product = Product.objects.create(
+                   ~~~~~~~~~~~~~~~~~~~~~~^
+        name='╥хёЄют√щ ЄютрЁ',
+        ^^^^^^^^^^^^^^^^^^^^^^
     ...<3 lines>...
-        raw=raw,
-        ^^^^^^^^
+        base_price=Decimal('10.00')
+        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
     )
     ^
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\manager.py", line 87, in manager_method
     return getattr(self.get_queryset(), name)(*args, **kwargs)
            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\query.py", line 1847, in _insert
-    return query.get_compiler(using=using).execute_sql(returning_fields)
-           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\sql\compiler.py", line 1823, in execute_sql
-    cursor.execute(sql, params)
-    ~~~~~~~~~~~~~~^^^^^^^^^^^^^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 79, in execute
-    return self._execute_with_wrappers(
-           ~~~~~~~~~~~~~~~~~~~~~~~~~~~^
-        sql, params, many=False, executor=self._execute
-        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\query.py", line 677, in create
+    obj = self.model(**kwargs)
+  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\base.py", line 567, in __init__
+    raise TypeError(
+    ...<2 lines>...
     )
-    ^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 92, in _execute_with_wrappers
-    return executor(sql, params, many, context)
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 100, in _execute
-    with self.db.wrap_database_errors:
-         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\utils.py", line 91, in __exit__
-    raise dj_exc_value.with_traceback(traceback) from exc_value
-  File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
-    return self.cursor.execute(sql, params)
-           ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-django.db.utils.DataError: value too long for type character varying(7)
-
+TypeError: Product() got unexpected keyword arguments: 'category', 'base_price'
 
 ======================================================================
 ERROR: test_01_draft_to_completed_to_cancelled_to_completed (inventory.tests.test_order_status_transitions.OrderStatusTransitionCriticalTest.test_01_draft_to_completed_to_cancelled_to_completed)
@@ -441,7 +378,8 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
     return self.cursor.execute(sql, params)
            ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-psycopg2.errors.StringDataRightTruncation: value too long for type character varying(7)
+psycopg2.errors.UniqueViolation: duplicate key value violates unique constraint "orders_paymentmethod_code_key"
+DETAIL:  Key (code)=(cash) already exists.
 
 
 The above exception was the direct cause of the following exception:
@@ -450,14 +388,14 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 80, in setUp
     self._create_system_entities()
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
-  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 101, in _create_system_entities
-    self.status_draft = OrderStatus.objects.create(
-                        ~~~~~~~~~~~~~~~~~~~~~~~~~~^
-        code='draft',
-        ^^^^^^^^^^^^^
-    ...<5 lines>...
-        order=0
-        ^^^^^^^
+  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 156, in _create_system_entities
+    self.payment_method = PaymentMethod.objects.create(
+                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
+        code='cash',
+        ^^^^^^^^^^^^
+    ...<2 lines>...
+        is_active=True
+        ^^^^^^^^^^^^^^
     )
     ^
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\manager.py", line 87, in manager_method
@@ -522,7 +460,8 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
     return self.cursor.execute(sql, params)
            ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-django.db.utils.DataError: value too long for type character varying(7)
+django.db.utils.IntegrityError: duplicate key value violates unique constraint "orders_paymentmethod_code_key"
+DETAIL:  Key (code)=(cash) already exists.
 
 
 ======================================================================
@@ -611,7 +550,8 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
     return self.cursor.execute(sql, params)
            ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-psycopg2.errors.StringDataRightTruncation: value too long for type character varying(7)
+psycopg2.errors.UniqueViolation: duplicate key value violates unique constraint "orders_paymentmethod_code_key"
+DETAIL:  Key (code)=(cash) already exists.
 
 
 The above exception was the direct cause of the following exception:
@@ -620,14 +560,14 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 80, in setUp
     self._create_system_entities()
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
-  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 101, in _create_system_entities
-    self.status_draft = OrderStatus.objects.create(
-                        ~~~~~~~~~~~~~~~~~~~~~~~~~~^
-        code='draft',
-        ^^^^^^^^^^^^^
-    ...<5 lines>...
-        order=0
-        ^^^^^^^
+  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 156, in _create_system_entities
+    self.payment_method = PaymentMethod.objects.create(
+                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
+        code='cash',
+        ^^^^^^^^^^^^
+    ...<2 lines>...
+        is_active=True
+        ^^^^^^^^^^^^^^
     )
     ^
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\manager.py", line 87, in manager_method
@@ -692,7 +632,8 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
     return self.cursor.execute(sql, params)
            ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-django.db.utils.DataError: value too long for type character varying(7)
+django.db.utils.IntegrityError: duplicate key value violates unique constraint "orders_paymentmethod_code_key"
+DETAIL:  Key (code)=(cash) already exists.
 
 
 ======================================================================
@@ -781,7 +722,8 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
     return self.cursor.execute(sql, params)
            ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-psycopg2.errors.StringDataRightTruncation: value too long for type character varying(7)
+psycopg2.errors.UniqueViolation: duplicate key value violates unique constraint "orders_paymentmethod_code_key"
+DETAIL:  Key (code)=(cash) already exists.
 
 
 The above exception was the direct cause of the following exception:
@@ -790,14 +732,14 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 80, in setUp
     self._create_system_entities()
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
-  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 101, in _create_system_entities
-    self.status_draft = OrderStatus.objects.create(
-                        ~~~~~~~~~~~~~~~~~~~~~~~~~~^
-        code='draft',
-        ^^^^^^^^^^^^^
-    ...<5 lines>...
-        order=0
-        ^^^^^^^
+  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 156, in _create_system_entities
+    self.payment_method = PaymentMethod.objects.create(
+                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
+        code='cash',
+        ^^^^^^^^^^^^
+    ...<2 lines>...
+        is_active=True
+        ^^^^^^^^^^^^^^
     )
     ^
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\manager.py", line 87, in manager_method
@@ -862,7 +804,8 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
     return self.cursor.execute(sql, params)
            ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-django.db.utils.DataError: value too long for type character varying(7)
+django.db.utils.IntegrityError: duplicate key value violates unique constraint "orders_paymentmethod_code_key"
+DETAIL:  Key (code)=(cash) already exists.
 
 
 ======================================================================
@@ -951,7 +894,8 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
     return self.cursor.execute(sql, params)
            ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-psycopg2.errors.StringDataRightTruncation: value too long for type character varying(7)
+psycopg2.errors.UniqueViolation: duplicate key value violates unique constraint "orders_paymentmethod_code_key"
+DETAIL:  Key (code)=(cash) already exists.
 
 
 The above exception was the direct cause of the following exception:
@@ -960,14 +904,14 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 80, in setUp
     self._create_system_entities()
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
-  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 101, in _create_system_entities
-    self.status_draft = OrderStatus.objects.create(
-                        ~~~~~~~~~~~~~~~~~~~~~~~~~~^
-        code='draft',
-        ^^^^^^^^^^^^^
-    ...<5 lines>...
-        order=0
-        ^^^^^^^
+  File "C:\Users\team_\Desktop\test_qwen\myproject\inventory\tests\test_order_status_transitions.py", line 156, in _create_system_entities
+    self.payment_method = PaymentMethod.objects.create(
+                          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
+        code='cash',
+        ^^^^^^^^^^^^
+    ...<2 lines>...
+        is_active=True
+        ^^^^^^^^^^^^^^
     )
     ^
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\models\manager.py", line 87, in manager_method
@@ -1032,7 +976,8 @@ Traceback (most recent call last):
   File "C:\Users\team_\Desktop\test_qwen\venv\Lib\site-packages\django\db\backends\utils.py", line 105, in _execute
     return self.cursor.execute(sql, params)
            ~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
-django.db.utils.DataError: value too long for type character varying(7)
+django.db.utils.IntegrityError: duplicate key value violates unique constraint "orders_paymentmethod_code_key"
+DETAIL:  Key (code)=(cash) already exists.
 
 
 ======================================================================
@@ -1114,7 +1059,7 @@ django.core.management.base.CommandError: Database test_inventory_db couldn't be
 Hint: Look at the output of 'django-admin sqlflush'. That's the SQL this command wasn't able to run.
 
 ----------------------------------------------------------------------
-Ran 5 tests in 7.596s
+Ran 5 tests in 7.828s
 
 FAILED (errors=10)
 Destroying test database for alias 'default' ('test_inventory_db')...
