diff --git a/app_new/templates/base.html b/app_new/templates/base.html
index 6b61543..3b45792 100644
--- a/app_new/templates/base.html
+++ b/app_new/templates/base.html
@@ -129,7 +129,7 @@
             </button>
 
             <!-- Notifications système : interprétations et watchdogs -->
-            {% if has_permission('audit.view') %}<a href="/logs/" class="btn btn-sm btn-outline-light me-2 position-relative" title="Notifications système et logs watchdogs" aria-label="Notifications système et logs watchdogs">
+            {% if has_permission('watchdog_dnd.view') %}<a href="/logs/" class="btn btn-sm btn-outline-light me-2 position-relative" title="Notifications système et logs watchdogs" aria-label="Notifications système et logs watchdogs">
                 <i class="bi bi-journal-text"></i>
                 <span class="position-absolute top-0 start-100 translate-middle badge rounded-pill bg-danger" id="notif-count" style="font-size:0.6rem; display:none;">0</span>
             </a>{% endif %}
diff --git a/tests/integration/test_ui_p1_regressions.py b/tests/integration/test_ui_p1_regressions.py
index 9bd03e9..ed11f97 100644
--- a/tests/integration/test_ui_p1_regressions.py
+++ b/tests/integration/test_ui_p1_regressions.py
@@ -8,6 +8,7 @@ from app_new.extensions import db
 from app_new.core.models.college import Building, Zone, Room
 from app_new.core.models.maintenance import Intervention
 from app_new.core.models.cleaning import ProductGeneric
+from app_new.core.models.equipment import Equipment, EquipmentCategory
 
 
 def test_room_form_lists_buildings_and_rejects_cross_building_zone(authenticated_client, app):
@@ -45,6 +46,44 @@ def test_optional_location_is_safe_in_interventions(authenticated_client, app):
     assert authenticated_client.get("/interventions/").status_code == 200
 
 
+def test_intervention_list_supports_all_optional_location_combinations(authenticated_client, app):
+    """Une intervention peut cibler salle, équipement, les deux ou aucun."""
+    with app.app_context():
+        building = Building(name="UI combinations building")
+        db.session.add(building)
+        db.session.flush()
+        room = Room(name="UI combinations room", building_id=building.id)
+        category = EquipmentCategory(name="UI combinations category")
+        db.session.add_all([room, category])
+        db.session.flush()
+        equipment = Equipment(
+            name="UI combinations equipment", room_id=room.id,
+            category_id=category.id, status="en_service",
+        )
+        db.session.add(equipment)
+        db.session.flush()
+        interventions = [
+            Intervention(title="UI both", room_id=room.id, equipment_id=equipment.id),
+            Intervention(title="UI room only", room_id=room.id),
+            Intervention(title="UI equipment only", equipment_id=equipment.id),
+            Intervention(title="UI neither"),
+        ]
+        db.session.add_all(interventions)
+        db.session.commit()
+        intervention_ids = [intervention.id for intervention in interventions]
+
+    response = authenticated_client.get("/interventions/")
+    assert response.status_code == 200
+    source = open("app_new/interventions/templates/index.html", encoding="utf-8").read()
+    assert "Localisation non renseignée" in source
+    from app_new.interventions.crud import detail as intervention_detail
+    with app.app_context(), app.test_request_context("/interventions/1"):
+        for intervention_id in intervention_ids:
+            rendered = intervention_detail.__wrapped__(intervention_id)
+            assert "Intervention" in rendered or "Localisation" in rendered
+    assert authenticated_client.get("/").status_code == 200
+
+
 def test_optional_equipment_is_safe_on_dashboard(authenticated_client, app):
     with app.app_context():
         db.session.add(Intervention(title="UI dashboard sans équipement"))
@@ -59,6 +98,47 @@ def test_intervention_detail_template_exposes_document_actions():
     assert 'documents.upload_intervention' in template
 
 
+def test_logs_navigation_uses_the_permission_required_by_logs_route():
+    from app_new.core.authorization import required_permission
+
+    assert required_permission("logs.index", "GET") == "watchdog_dnd.view"
+    source = open("app_new/templates/base.html", encoding="utf-8").read()
+    assert "has_permission('watchdog_dnd.view')" in source
+    assert "has_permission('audit.view')" not in source[source.find("Notifications système") - 200:source.find("Notifications système") + 200]
+
+
+def test_grouped_equipment_detail_and_hierarchy(authenticated_client, app):
+    """Une famille quantitative localisée doit rester consultable."""
+    with app.app_context():
+        building = Building(name="UI equipment detail building")
+        db.session.add(building)
+        db.session.flush()
+        room = Room(name="UI equipment detail room", building_id=building.id)
+        category = EquipmentCategory(name="UI equipment detail category")
+        db.session.add_all([room, category])
+        db.session.flush()
+        equipment = Equipment(
+            name="UI grouped chairs", room_id=room.id, category_id=category.id,
+            status="en_service", is_group=False, quantity=30, mobility="mobile",
+        )
+        db.session.add(equipment)
+        db.session.commit()
+        equipment_id = equipment.id
+        assert db.session.get(Equipment, equipment_id) is not None
+        db.session.remove()
+
+    from app_new.equipments.main import detail as equipment_detail, hierarchy as equipment_hierarchy
+    with app.app_context(), app.test_request_context(f"/equipments/{equipment_id}"):
+        detail_response = equipment_detail.__wrapped__(equipment_id)
+        assert "UI grouped chairs" in detail_response
+        hierarchy_response = equipment_hierarchy.__wrapped__(equipment_id)
+        assert hierarchy_response.status_code == 200
+        payload = hierarchy_response.get_json()
+    assert payload["zones"]
+    assert payload["zones"][0]["rooms"][0]["name"] == "UI equipment detail room"
+    assert payload["zones"][0]["rooms"][0]["items"][0]["quantity"] == 30
+
+
 def test_empty_intervention_and_company_are_validation_errors(authenticated_client):
     assert authenticated_client.post("/interventions/new", data={}).status_code == 400
     assert authenticated_client.post("/companies/new", data={}).status_code == 400