feat：添加管理员登录

src/stores/admin-session-store.ts

@@ -1,6 +1,7 @@
 import { create } from "zustand";
 
 import { setAdminBearerToken } from "@/lib/admin-auth";
+import { writeStoredAdminToken } from "@/lib/admin-token-local-storage";
 
 type AdminSessionState = {
   /** 已与 `Authorization: Bearer …` 同步的原始片段（不带 `Bearer ` 前缀） */
@@ -15,11 +16,13 @@ export const useAdminSessionStore = create<AdminSessionState>((set) => ({
   setBearerToken: (token) => {
     const normalized = token?.trim() ? token.trim() : null;
     setAdminBearerToken(normalized);
+    writeStoredAdminToken(normalized);
     set({ bearerToken: normalized });
   },
 
   clearBearerToken: () => {
     setAdminBearerToken(null);
+    writeStoredAdminToken(null);
     set({ bearerToken: null });
   },
 }));