feat: update cookie paths for staff authentication and implement redirect logic in admin login

app/libs/cookie.server.ts

@@ -15,5 +15,5 @@ export const staffTokenCookieConfig = createCookie(STAFF_COOKIES.token, {
   sameSite: 'lax',
   secure: process.env.NODE_ENV === 'production',
   secrets: [process.env.VITE_SALT_KEY || 'default-secret'],
-  path: '/lg-admin',
+  path: '/',
 })

app/libs/logout-header.server.ts

@@ -14,7 +14,7 @@ export const setStaffLogoutHeaders = () => {
   const responseHeaders = new Headers()
   responseHeaders.append(
     'Set-Cookie',
-    `${STAFF_COOKIES.token}=; Path=/lg-admin; HttpOnly; SameSite=Strict; Max-Age=0`,
+    `${STAFF_COOKIES.token}=; Path=/; HttpOnly; SameSite=Strict; Max-Age=0`,
   )
 
   return responseHeaders