it_manager: показывать текст на этикетке даже если в шаблоне только QR/EAN.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/it_manager/tests.py

@@ -473,6 +473,40 @@ class ItManagerEquipmentTests(TestCase):
         eq = Equipment.objects.get(serial_number='SN-AUTO-INV-1')
         self.assertEqual(eq.inventory_number, suggested_inventory_number(eq.pk))
 
+    def test_labels_inject_text_when_template_codes_only(self):
+        from apps.it_manager.equipment_labels import label_payload_for_unit
+        from apps.it_manager.models import EquipmentLabelTemplate
+
+        tmpl = EquipmentLabelTemplate.get_default()
+        tmpl.layout = [
+            {
+                'id': 'qr', 'type': 'qr',
+                'x_mm': 2, 'y_mm': 2, 'w_mm': 20, 'h_mm': 20,
+                'font_pt': 9, 'bold': False, 'align': 'left', 'text': '',
+            },
+            {
+                'id': 'ean', 'type': 'ean13',
+                'x_mm': 2, 'y_mm': 24, 'w_mm': 60, 'h_mm': 14,
+                'font_pt': 8, 'bold': False, 'align': 'center', 'text': '',
+            },
+        ]
+        tmpl.save(update_fields=['layout'])
+
+        eq = make_equipment(serial_number='TXT-SN-1', inventory_number='INV-TXT-1')
+        payload = label_payload_for_unit(eq, template=tmpl)
+        types = {b['type'] for b in payload['blocks']}
+        self.assertIn('qr', types)
+        self.assertIn('ean13', types)
+        self.assertIn('model', types)
+        self.assertIn('inventory', types)
+        inv_block = next(b for b in payload['blocks'] if b['type'] == 'inventory')
+        self.assertEqual(inv_block['text'], 'INV-TXT-1')
+
+        r = self.client.get(f'/it-manager/equipment/labels/?ids={eq.pk}')
+        self.assertEqual(r.status_code, 200)
+        self.assertContains(r, 'INV-TXT-1')
+        self.assertContains(r, 'block text')
+
     def test_label_template_editor(self):
         import json