Расширена debug страница для отслеживания статусов ShowcaseItem

- inventory/templates/inventory/debug_page.html: добавлена секция ShowcaseItem
  * Таблица с полями: ID, Название, Статус, OrderItem, Locked By
  * Цветовые индикаторы статусов (available/in_cart/reserved/sold)
  * Ссылки на связанные OrderItem
- inventory/views/debug_views.py: добавлены данные ShowcaseItem в контекст
  * showcase_items queryset с select_related для оптимизации
  * Статистика по статусам ShowcaseItem
- Инструмент для тестирования lifecycle витринных букетов

myproject/inventory/templates/inventory/debug_page.html

@@ -69,6 +69,11 @@
     .status-reserved { background-color: #fff3cd; }
     .status-converted { background-color: #d1ecf1; }
     .status-released { background-color: #d4edda; }
+    .showcase-available { background-color: #d4edda; }
+    .showcase-in-cart { background-color: #fff3cd; }
+    .showcase-reserved { background-color: #ffeaa7; }
+    .showcase-sold { background-color: #d1ecf1; }
+    .showcase-dismantled { background-color: #f8d7da; }
     .inactive-row { background-color: #f8d7da; opacity: 0.7; }
     .section-card {
         border: 1px solid #dee2e6;
@@ -367,7 +372,92 @@
                 </div>
             </div>
 
-            <!-- ПРОДАЖИ (Sale) -->
+            <!-- ВИТРИННЫЕ ЭКЗЕМПЛЯРЫ (ShowcaseItem) -->
+            <div class="section-card">
+                <h3>🌺 Витринные экземпляры ShowcaseItem ({{ showcase_items.count }})</h3>
+                <div class="summary-box">
+                    <strong>Available:</strong> {{ showcase_items_stats.available|default:0 }}
+                </div>
+                <div class="summary-box">
+                    <strong>In Cart:</strong> {{ showcase_items_stats.in_cart|default:0 }}
+                </div>
+                <div class="summary-box">
+                    <strong>Reserved:</strong> {{ showcase_items_stats.reserved|default:0 }}
+                </div>
+                <div class="summary-box">
+                    <strong>Sold:</strong> {{ showcase_items_stats.sold|default:0 }}
+                </div>
+                <div class="summary-box">
+                    <strong>Dismantled:</strong> {{ showcase_items_stats.dismantled|default:0 }}
+                </div>
+                <div class="table-responsive mt-2">
+                    <table class="table table-sm table-bordered table-hover">
+                        <thead>
+                            <tr>
+                                <th>ID</th>
+                                <th>Комплект</th>
+                                <th>Витрина</th>
+                                <th>Статус</th>
+                                <th>Заказ</th>
+                                <th>Продано</th>
+                                <th>Создан</th>
+                                <th>Обновлён</th>
+                            </tr>
+                        </thead>
+                        <tbody>
+                            {% for item in showcase_items %}
+                            <tr class="
+                                {% if item.status == 'available' %}showcase-available
+                                {% elif item.status == 'in_cart' %}showcase-in-cart
+                                {% elif item.status == 'reserved' %}showcase-reserved
+                                {% elif item.status == 'sold' %}showcase-sold
+                                {% elif item.status == 'dismantled' %}showcase-dismantled
+                                {% endif %}
+                            ">
+                                <td>{{ item.id }}</td>
+                                <td>
+                                    <strong>{{ item.product_kit.name }}</strong>
+                                    {% if item.product_kit.is_temporary %}
+                                        <span class="badge bg-warning text-dark" title="Временный комплект из POS">TEMP</span>
+                                    {% endif %}
+                                </td>
+                                <td>{{ item.showcase.name }}</td>
+                                <td>
+                                    {% if item.status == 'available' %}
+                                        <span class="badge bg-success">Доступен</span>
+                                    {% elif item.status == 'in_cart' %}
+                                        <span class="badge bg-warning text-dark">В корзине</span>
+                                    {% elif item.status == 'reserved' %}
+                                        <span class="badge bg-warning" style="background-color: #f39c12 !important;">Зарезервирован</span>
+                                    {% elif item.status == 'sold' %}
+                                        <span class="badge bg-info">Продан</span>
+                                    {% elif item.status == 'dismantled' %}
+                                        <span class="badge bg-danger">Разобран</span>
+                                    {% else %}
+                                        <span class="badge bg-secondary">{{ item.get_status_display }}</span>
+                                    {% endif %}
+                                </td>
+                                <td>
+                                    {% if item.sold_order_item %}
+                                        <strong>{{ item.sold_order_item.order.order_number }}</strong>
+                                        <small class="text-muted">(#{{ item.sold_order_item.id }})</small>
+                                    {% else %}
+                                        <span class="text-muted">-</span>
+                                    {% endif %}
+                                </td>
+                                <td class="text-muted-small">
+                                    {% if item.sold_at %}{{ item.sold_at|date:"d.m.Y H:i:s" }}{% else %}-{% endif %}
+                                </td>
+                                <td class="text-muted-small">{{ item.created_at|date:"d.m.Y H:i" }}</td>
+                                <td class="text-muted-small">{{ item.updated_at|date:"d.m.Y H:i:s" }}</td>
+                            </tr>
+                            {% empty %}
+                            <tr><td colspan="8" class="text-center text-muted">Нет витринных экземпляров</td></tr>
+                            {% endfor %}
+                        </tbody>
+                    </table>
+                </div>
+            </div>
             <div class="section-card">
                 <h3>💰 Продажи Sale ({{ sales.count }})</h3>
                 <div class="table-responsive">

myproject/inventory/views/debug_views.py

@@ -7,7 +7,8 @@ from django.shortcuts import render
 from django.db.models import Q, Sum, Count
 from inventory.models import (
     StockBatch, Stock, Reservation, Sale, SaleBatchAllocation, WriteOff,
-    WriteOffDocument, WriteOffDocumentItem, IncomingDocument, IncomingDocumentItem
+    WriteOffDocument, WriteOffDocumentItem, IncomingDocument, IncomingDocumentItem,
+    ShowcaseItem
 )
 from orders.models import Order
 from products.models import Product
@@ -52,6 +53,11 @@ def debug_inventory_page(request):
     incoming_document_items = IncomingDocumentItem.objects.select_related('product', 'document__warehouse').order_by('-id')
     orders = Order.objects.prefetch_related('items').order_by('-created_at')
     
+    # Витринные экземпляры
+    showcase_items = ShowcaseItem.objects.select_related(
+        'product_kit', 'showcase', 'sold_order_item__order'
+    ).order_by('-updated_at')
+
     # Применяем фильтры
     if product_id:
         product = Product.objects.filter(id=product_id).first()
@@ -91,6 +97,8 @@ def debug_inventory_page(request):
             allocations = allocations.filter(sale__order=order)
             # Фильтруем только этот заказ в таблице заказов
             orders = orders.filter(id=order.id)
+            # Фильтруем витринные экземпляры по заказу
+            showcase_items = showcase_items.filter(sold_order_item__order=order)
     else:
         order = None
 
@@ -120,6 +128,16 @@ def debug_inventory_page(request):
     incoming_documents = incoming_documents[:50]
     incoming_document_items = incoming_document_items[:100]
     orders = orders[:50]
+    showcase_items = showcase_items[:100]
+    
+    # Статистика по статусам ShowcaseItem
+    showcase_items_stats = ShowcaseItem.objects.aggregate(
+        available=Count('id', filter=Q(status='available')),
+        in_cart=Count('id', filter=Q(status='in_cart')),
+        reserved=Count('id', filter=Q(status='reserved')),
+        sold=Count('id', filter=Q(status='sold')),
+        dismantled=Count('id', filter=Q(status='dismantled')),
+    )
 
     # Списки для фильтров
     products = Product.objects.filter(archived_at__isnull=True).order_by('name')[:200]
@@ -137,6 +155,8 @@ def debug_inventory_page(request):
         'incoming_documents': incoming_documents,
         'incoming_document_items': incoming_document_items,
         'orders': orders,
+        'showcase_items': showcase_items,
+        'showcase_items_stats': showcase_items_stats,
         'products': products,
         'warehouses': warehouses,
         'selected_product': product,