:recycle: helpful env rename in frontent

frontend/src/main.js

 import App from './App.vue'
 import MainNav from './components/MainNav.vue'
 
-// const DEV = import.meta.env.VITE_DEV == 'true'
-const DEV = false
+const AUTO_LOGIN = import.meta.env.VITE_DEV == 'true'
 
 /**
  * Check between route changes for login/timeout
      * Use the loginService to deal with login details
      * NOTE: Activate with `npm run nodev`
      */
-    if (DEV) {
+    if (AUTO_LOGIN) {
         next()
     } else {
         checkLoginStatus(to, next)