feat: professionalize platform release 0.3.13

tests/integration/test_views.py

@@ -60,6 +60,7 @@ def test_premium_layout_uses_one_bounded_ultrawide_grid():
     css = (settings.BASE_DIR / "static" / "css" / "premium.css").read_text(encoding="utf-8")
     assert "--content-frame: 1720px" in css
     assert "width: min(100%, var(--content-frame))" in css
+    assert "margin-inline: auto" in css
     assert ".topbar-inner" in css
     assert "--content-frame: 2200px" in css
     assert "--content-frame: 2480px" in css
@@ -67,9 +68,24 @@ def test_premium_layout_uses_one_bounded_ultrawide_grid():
     assert "minmax(650px, 880px) minmax(760px, 1fr)" in css
 
 
+@pytest.mark.integration
+@pytest.mark.django_db
+def test_demo_banner_is_part_of_main_content_flow(client, user, settings):
+    settings.DEMO_MODE_ENABLED = True
+    settings.DEMO_READ_ONLY = True
+    settings.DEMO_USERNAME = user.username
+    client.force_login(user)
+    response = client.get(reverse("dashboard:today"))
+    body = response.content.decode()
+
+    assert response.status_code == 200
+    assert body.index('<main id="main"') < body.index('class="demo-mode-banner"')
+    assert 'role="status" aria-label="Publieke demo, alleen-lezen"' in body
+
+
 def test_css_imports_share_the_release_cache_version():
     css = (settings.BASE_DIR / "static" / "css" / "app.css").read_text(encoding="utf-8")
-    assert css.count("?v=0.3.12") == 7
+    assert css.count("?v=0.3.13") == 7
 
 
 @pytest.mark.integration