refactor: remove redundant proxy query paths

src/lib/query/failover.ts

@@ -3,6 +3,7 @@ import { failoverApi } from "@/lib/api/failover";
 import { toast } from "sonner";
 import { useTranslation } from "react-i18next";
 import { extractErrorMessage } from "@/utils/errorUtils";
+import { proxyKeys } from "@/lib/query/proxy";
 
 // ========== 熔断器 Hooks ==========
 
@@ -47,7 +48,7 @@ export function useResetCircuitBreaker() {
       });
       // 刷新代理状态（更新 active_targets）
       queryClient.invalidateQueries({
-        queryKey: ["proxyStatus"],
+        queryKey: proxyKeys.status,
       });
     },
   });
@@ -283,7 +284,7 @@ export function useSetAutoFailoverEnabled() {
         queryKey: ["providers", variables.appType],
       });
       queryClient.invalidateQueries({
-        queryKey: ["proxyStatus"],
+        queryKey: proxyKeys.status,
       });
     },
   });