remove frontend directory from git tracking

frontend/lib/auth.ts

@@ -1,40 +0,0 @@
-const TOKEN_KEY = "huaxia_token";
-
-export function getToken() {
-  if (typeof window === "undefined") return null;
-  return localStorage.getItem(TOKEN_KEY);
-}
-
-export function setToken(token: string) {
-  localStorage.setItem(TOKEN_KEY, token);
-}
-
-export function clearToken() {
-  localStorage.removeItem(TOKEN_KEY);
-}
-
-export const roleLabels: Record<string, string> = {
-  投顾: "投顾专员",
-  投顾专员: "投顾专员",
-  风控专员: "风控专员",
-  ADMIN: "员工通用",
-  EMPLOYEE: "员工通用",
-};
-
-export function getRoleLabel(role?: string | null) {
-  return role ? roleLabels[role] ?? "员工通用" : "员工通用";
-}
-
-export function getPostLoginPath(user?: { user_type?: string | null; employee_role?: string | null }) {
-  if (!user || user.user_type === "CUSTOMER") return "/account";
-  if (user.user_type === "ADMIN") return "/admin/common";
-
-  switch (getRoleLabel(user.employee_role)) {
-    case "投顾专员":
-      return "/admin/advisor";
-    case "风控专员":
-      return "/admin/risk";
-    default:
-      return "/admin/common";
-  }
-}