feat: add campaign copying scheduling and residual handling

tests/test_manifest_navigation.py

@@ -19,7 +19,9 @@ def test_operator_queue_is_an_integrated_campaign_view() -> None:
     assert "/operator" not in {item.path for item in manifest.frontend.nav_items}
 
     routes = {route.path: route for route in manifest.frontend.routes}
-    assert "/operator" not in routes
+    legacy_redirect = routes["/operator"]
+    assert legacy_redirect.component == "OperatorQueueRedirect"
+    assert legacy_redirect.surface_id == "campaigns.route.operator-redirect"
     queue = routes["/campaigns/queue"]
     assert queue.component == "OperatorQueuePage"
     assert queue.required_all == ("campaigns:campaign:read",)