Simplify admin operator UI

tests/test_admin.py

@@ -15,7 +15,7 @@ def test_admin_page_shows_operator_views_without_create_form(tmp_path: Path) ->
 
     assert response.status_code == 200
     assert response.headers["cache-control"] == "no-store"
-    assert '<link href="/admin.css?v=3" rel="stylesheet">' in response.text
+    assert '<link href="/admin.css?v=4" rel="stylesheet">' in response.text
     assert '<script src="/admin-tables.js?v=2" defer></script>' in response.text
     assert "Operator console" in response.text
     assert "Generate credentials" not in response.text
@@ -28,7 +28,7 @@ def test_admin_page_shows_operator_views_without_create_form(tmp_path: Path) ->
     assert "Cleanup" in response.text
     assert "Run now" in response.text
     assert "Next run" in response.text
-    assert "Metrics" in response.text
+    assert "Service metrics" in response.text
     assert "Blocked requests" in response.text
     assert "Hostnames" in response.text
     assert "Update events" in response.text
@@ -181,6 +181,27 @@ def test_admin_posts_require_csrf(tmp_path: Path) -> None:
     assert response.status_code == 403
 
 
+def test_admin_cleanup_uses_post_redirect_get(tmp_path: Path) -> None:
+    settings = DdnsSettings(database_path=tmp_path / "ddns.sqlite3", admin_password="admin")
+    app = make_app(settings)
+    client = TestClient(app)
+
+    response = client.post(
+        "/admin/cleanup",
+        auth=("admin", "admin"),
+        data={"csrf": admin_csrf_token(settings)},
+        follow_redirects=False,
+    )
+
+    assert response.status_code == 303
+    assert response.headers["location"].startswith("/admin?cleanup_done=1")
+
+    redirected = client.get(response.headers["location"], auth=("admin", "admin"))
+    assert redirected.status_code == 200
+    assert "Cleanup finished." in redirected.text
+    assert "Copy these values now" not in redirected.text
+
+
 def test_admin_password_query_string_is_rejected(tmp_path: Path) -> None:
     app = make_app(DdnsSettings(database_path=tmp_path / "ddns.sqlite3", admin_password="admin"))
     client = TestClient(app)

tests/test_ui.py

@@ -202,7 +202,7 @@ def test_dashboard_link_can_delete_hostname(tmp_path: Path) -> None:
 
     management = client.get(f"/m/{account['management_slug']}")
     assert management.status_code == 200
-    assert '<link href="/admin.css?v=3" rel="stylesheet">' in management.text
+    assert '<link href="/admin.css?v=4" rel="stylesheet">' in management.text
     assert "home.ddns.example.net" in management.text
     assert "CNAME target:" in management.text
     assert "Router fields" in management.text