diff --git a/backend/internal/server/api_contract_test.go b/backend/internal/server/api_contract_test.go
index 380a9b4d..10404276 100644
--- a/backend/internal/server/api_contract_test.go
+++ b/backend/internal/server/api_contract_test.go
@@ -833,6 +833,7 @@ func TestAPIContracts(t *testing.T) {
 					"payment_visible_method_alipay_enabled": true,
 					"payment_visible_method_wxpay_enabled": false,
 					"openai_advanced_scheduler_enabled": true,
+					"openai_codex_user_agent":           "",
 					"openai_fast_policy_settings": {
 						"rules": []
 					},
@@ -1058,6 +1059,7 @@ func TestAPIContracts(t *testing.T) {
 					"payment_visible_method_alipay_enabled": false,
 					"payment_visible_method_wxpay_enabled": false,
 					"openai_advanced_scheduler_enabled": false,
+					"openai_codex_user_agent":           "",
 					"openai_fast_policy_settings": {
 						"rules": []
 					},