fix: dodaj fotografije servisnih zapisa u DOCX

DOCX izvjestaj servisnih zapisa sada ugradjuje povezane fotografije nakon kompresije slike za manju velicinu dokumenta.

Dodan je regresijski test koji provjerava da generirani DOCX sadrzi embedded media datoteke.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

backend/modules/fleet/tests/test_work_order_images_endpoint.py

@@ -7,9 +7,11 @@ from rest_framework.test import APIClient
 import uuid
 from io import BytesIO
 from datetime import timedelta
+import zipfile
 from PIL import Image
 
 from modules.fleet.models import Vehicle, WorkOrder, WorkOrderInvoice, VehicleServiceRecord, VehicleServicePhoto, GeneratedWorkOrderPdf
+from modules.task_management.models import Task
 
 
 def create_test_image(filename='test.jpg', size=(40, 40), color='red'):
@@ -55,9 +57,16 @@ class WorkOrderImagesEndpointTests(TestCase):
             creator=self.user,
             purpose='kontrola',
         )
+        self.task = Task.objects.create(
+            title='Test servisni zadatak',
+            assigned_to=self.user,
+            vehicle=self.vehicle,
+            work_order=self.work_order,
+        )
 
         self.service_record = VehicleServiceRecord.objects.create(
             vehicle=self.vehicle,
+            task=self.task,
             performed_by=self.user,
             description='Servisni zapis za test izolacije fotografija.',
             service_title='Test servis',
@@ -240,3 +249,22 @@ class WorkOrderImagesEndpointTests(TestCase):
         cached.refresh_from_db()
         self.assertFalse(cached.is_active)
         self.assertEqual(cached.status, 'failed')
+
+    def test_service_records_docx_contains_embedded_service_photos(self):
+        VehicleServicePhoto.objects.create(
+            service_record=self.service_record,
+            image=create_test_image('service-record-docx.jpg', size=(320, 200), color='blue'),
+            description='DOCX photo',
+            uploaded_by=self.user,
+        )
+
+        response = self.client.get(f"/api/fleet/work-orders/{self.work_order.pk}/service-records-docx/")
+        self.assertEqual(response.status_code, 200, response.content)
+        self.assertEqual(
+            response['Content-Type'],
+            'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+        )
+
+        archive = zipfile.ZipFile(BytesIO(response.content))
+        media_files = [name for name in archive.namelist() if name.startswith('word/media/')]
+        self.assertTrue(media_files, archive.namelist())