Minor UI refinement

tests/ui/test_people_page.py

@@ -186,6 +186,45 @@ class TestPeoplePageRendering:
         assert response.text.count("Edit Photo(s)") == 1
         assert "Upload photo(s)" not in response.text
 
+    @pytest.mark.asyncio
+    async def test_person_detail_page_shows_gallery_navigation_for_multiple_photos(self, app_client):
+        app, client = app_client
+        upload_dirs = {app.state.settings.upload_dir, get_settings().upload_dir}
+        for upload_dir in upload_dirs:
+            primary_file = upload_dir / "photos" / "portrait-primary.png"
+            secondary_file = upload_dir / "photos" / "portrait-secondary.png"
+            primary_file.parent.mkdir(parents=True, exist_ok=True)
+            primary_file.write_bytes(b"portrait-primary")
+            secondary_file.write_bytes(b"portrait-secondary")
+
+        async with session_scope() as session:
+            person = Person(given_names="Gallery", last_name="Navigation")
+            session.add(person)
+            await session.flush()
+            session.add_all(
+                [
+                    Photo(
+                        person_id=person.id,
+                        path="photos/portrait-primary.png",
+                        is_primary=True,
+                    ),
+                    Photo(
+                        person_id=person.id,
+                        path="photos/portrait-secondary.png",
+                        is_primary=False,
+                    ),
+                ]
+            )
+            await session.commit()
+            person_id = str(person.id)
+
+        response = client.get(f"/ui/people/{person_id}")
+
+        assert response.status_code == 200
+        assert "Previous" in response.text
+        assert "Next" in response.text
+        assert "1 of 2" in response.text
+
     @pytest.mark.asyncio
     async def test_person_photos_page_renders_photo_management_controls(self, app_client):
         app, client = app_client