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manufacturing/admin.py

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+from django.contrib import admin
+
+from .models import BOM, ProductEntity, RouteStub
+
+
+@admin.register(RouteStub)
+class RouteStubAdmin(admin.ModelAdmin):
+    list_display = ('name',)
+    search_fields = ('name',)
+
+
+class BOMChildInline(admin.TabularInline):
+    """Состав изделия/сборки (строки BOM) прямо в карточке ProductEntity."""
+
+    model = BOM
+    fk_name = 'parent'
+    fields = ('child', 'quantity')
+    autocomplete_fields = ('child',)
+    extra = 10
+
+
+@admin.register(ProductEntity)
+class ProductEntityAdmin(admin.ModelAdmin):
+    list_display = (
+        'drawing_number',
+        'name',
+        'entity_type',
+        'planned_material',
+        'blank_area_m2',
+        'blank_length_mm',
+    )
+    list_filter = ('entity_type', 'planned_material__category')
+    search_fields = ('drawing_number', 'name', 'planned_material__name', 'planned_material__full_name')
+    autocomplete_fields = ('planned_material', 'route')
+    inlines = (BOMChildInline,)
+
+
+@admin.register(BOM)
+class BOMAdmin(admin.ModelAdmin):
+    list_display = ('parent', 'child', 'quantity')
+    search_fields = ('parent__name', 'parent__drawing_number', 'child__name', 'child__drawing_number')
+    list_filter = ('parent',)
+    autocomplete_fields = ('parent', 'child')