fix: cookie-auth-issues (#365)

* fix session clearing on error

* use singleton context to manage user state

* implement remember-me functionality

* fix errors

* fix more errors

frontend/middleware/auth.ts

@@ -2,10 +2,14 @@ export default defineNuxtRouteMiddleware(async () => {
   const ctx = useAuthContext();
   const api = useUserApi();
 
+  if (!ctx.isAuthorized()) {
+    return navigateTo("/");
+  }
+
   if (!ctx.user) {
     const { data, error } = await api.user.self();
     if (error) {
-      navigateTo("/");
+      return navigateTo("/");
     }
 
     ctx.user = data.item;