test: localize home widget tests and update admin display to use mark_safe for conditions overview

streetup/home/admin.py

@@ -58,7 +58,7 @@ class HomeWidgetAdmin(admin.ModelAdmin):
         groups = obj.condition_groups.filter(is_active=True).order_by('priority')
         
         if not groups.exists():
-            return format_html(
+            return mark_safe(
                 '<span style="color: #999; font-style: italic;">Aucun groupe — visible pour tous</span>'
             )
         

streetup/home/tests.py

@@ -245,10 +245,34 @@ class HomeIndexViewTests(TestCase):
         # Create the widget
         HomeWidget.objects.create(widget_code='intervention_on_pause')
 
-        response = self.client.get(reverse('home:index'))
+        response = self.client.get(reverse('home:index'), HTTP_ACCEPT_LANGUAGE='fr')
         self.assertEqual(response.status_code, 200)
         self.assertContains(response, 'Interventions en pause')
         self.assertContains(response, 'status=on_pause')
 
 
+class HomeWidgetAdminTests(TestCase):
+    def setUp(self):
+        from django.contrib.admin.sites import AdminSite
+        from home.admin import HomeWidgetAdmin
+        self.site = AdminSite()
+        self.admin = HomeWidgetAdmin(HomeWidget, self.site)
+        self.widget = HomeWidget.objects.create(widget_code='intervention_stats')
+
+    def test_conditions_overview_no_groups(self):
+        html = self.admin.conditions_overview(self.widget)
+        self.assertIn('Aucun groupe — visible pour tous', html)
+
+    def test_conditions_overview_with_groups(self):
+        group = HomeWidgetConditionGroup.objects.create(
+            widget=self.widget,
+            label='Group 1',
+            order=1,
+            priority=1
+        )
+        html = self.admin.conditions_overview(self.widget)
+        self.assertIn('Group 1', html)
+
+
+