重构认证逻辑，优化登录和用户信息获取流程，新增全局缓存支持

package.json

@@ -28,7 +28,7 @@
     "date-fns": "^4.1.0",
     "lucide-react": "^0.479.0",
     "motion": "^12.5.0",
-    "next": "15.2.1",
+    "next": "15.2.4",
     "next-themes": "^0.4.6",
     "qrcode": "^1.5.4",
     "react": "^19.0.0",
@@ -38,7 +38,8 @@
     "sonner": "^2.0.1",
     "tailwind-merge": "^3.0.2",
     "tailwindcss-animate": "^1.0.7",
-    "zod": "^3.24.2"
+    "zod": "^3.24.2",
+    "zustand": "^5.0.3"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3",