fix: url constants로 분리

apps/admin/constants/url.ts

@@ -0,0 +1,4 @@
+export const clientUrl =
+  process.env.NEXT_PUBLIC_VERCEL_ENV === "production"
+    ? process.env.NEXT_PUBLIC_CLIENT_PROD_URL
+    : process.env.NEXT_PUBLIC_CLIENT_DEV_URL;

apps/admin/middleware.ts

@@ -1,31 +1,27 @@
 import { dashboardApi } from "apis/auth/dashboardApi";
 import { cookieKey } from "constants/cookieKey";
+import { clientUrl } from "constants/url";
 import { cookies } from "next/headers";
 import { NextResponse } from "next/server";
 import setExpireTime from "utils/setExpireTime";
-
 export const config = {
   matcher: ["/studies/:path*", "/participants/:path*"],
 };
 
 const middleware = async () => {
-  const url =
-    process.env.NEXT_PUBLIC_VERCEL_ENV === "production"
-      ? process.env.NEXT_PUBLIC_CLIENT_PROD_URL
-      : process.env.NEXT_PUBLIC_CLIENT_DEV_URL;
   const cookieStore = cookies();
   const accessToken = cookieStore.get(cookieKey.accessToken)?.value;
   const cacheCookie = cookieStore.get(cookieKey["middleware-executed"])?.value;
 
   if (!accessToken) {
-    return NextResponse.redirect(new URL("/auth", url));
+    return NextResponse.redirect(new URL("/auth", clientUrl));
   }
 
   if (!cacheCookie) {
     try {
       const { manageRole, studyRole } = await dashboardApi.getDashboardInfo();
       if (studyRole === "STUDENT" && manageRole === "NONE") {
-        return NextResponse.redirect(new URL("/auth", url));
+        return NextResponse.redirect(new URL("/auth", clientUrl));
       }
       const response = NextResponse.next();
       response.cookies.set(cookieKey["middleware-executed"], "true", {