R25-1 R25-2 R25-3: 修复登录改密并收口静态缓存

client/src/pages/LoginPage.tsx

@@ -27,8 +27,8 @@ export function LoginPage() {
   const [searchParams] = useSearchParams();
   const { login } = useAuth();
 
-  const [identifier, setIdentifier] = useState("[email protected]");
-  const [password, setPassword] = useState("EmployeePassword1234");
+  const [identifier, setIdentifier] = useState("");
+  const [password, setPassword] = useState("");
   const [submitting, setSubmitting] = useState(false);
   const [error, setError] = useState("");
 
@@ -60,7 +60,7 @@ export function LoginPage() {
       }
     } catch (err) {
       if (isApiError(err)) {
-        setError(`${err.code}: ${mapApiErrorMessage(err.code, err.details, err.message)}`);
+        setError(mapApiErrorMessage(err.code, err.details, err.message));
       } else if (err instanceof TypeError) {
         setError("无法连接后端服务，请确认 server 已启动（http://127.0.0.1:3000）。");
       } else {