初期化中に画面が表示されないように修正

src/guards/AuthGuard.tsx

@@ -5,7 +5,7 @@ import { useState } from "react";
 import { Navigate, useLocation } from "react-router-dom";
 
 export default function AuthGuard({ children }: HasChildren) {
-  const { authenticated } = useAuth();
+  const { authenticated, initialized } = useAuth();
 
   const { pathname } = useLocation();
 
@@ -13,6 +13,10 @@ export default function AuthGuard({ children }: HasChildren) {
     null
   );
 
+  if (!initialized) {
+    return null;
+  }
+
   if (!authenticated) {
     if (pathname !== requestedLocation) {
       setRequestedLocation(pathname);