feat: add governed customer service agent

tests/unit/api/test_customer_service_test_page.py

@@ -0,0 +1,13 @@
+from fastapi.testclient import TestClient
+
+from app.main import create_app
+
+
+def test_customer_service_test_page_exposes_visitor_agent_flow() -> None:
+    with TestClient(create_app()) as client:
+        response = client.get("/customer-service-test/")
+
+    assert response.status_code == 200
+    assert "奶龙基金智能助手" in response.text
+    assert "/api/v1/visitor-tokens" in response.text
+    assert "/api/v1/agent-runs" in response.text