Fix frontend login flow: merge v3 auth routes, fix vite proxy, SPA redirect

frontend/app/javascript/dashboard/routes/dashboard/dashboard.routes.js

@@ -13,9 +13,11 @@ import AppContainer from './Dashboard.vue';
 import Suspended from './suspended/Index.vue';
 import NoAccounts from './noAccounts/Index.vue';
 import OnboardingAccountDetails from './onboarding/Index.vue';
+import v3AuthRoutes from '../../../v3/views/routes';
 
 export default {
   routes: [
+    ...v3AuthRoutes,
     {
       path: frontendURL('accounts/:accountId'),
       component: AppContainer,

frontend/app/javascript/dashboard/routes/index.js

@@ -12,12 +12,25 @@ const routes = [...dashboard.routes];
 
 export const router = createRouter({ history: createWebHistory(), routes });
 
+const PUBLIC_ROUTE_NAMES = [
+  'login',
+  'sso_login',
+  'auth_signup',
+  'auth_confirmation',
+  'auth_verify_email',
+  'auth_password_edit',
+  'auth_reset_password',
+];
+
 export const validateAuthenticateRoutePermission = async (to, next) => {
   const { isLoggedIn, getCurrentUser: user } = store.getters;
 
+  if (PUBLIC_ROUTE_NAMES.includes(to.name)) {
+    return next();
+  }
+
   if (!isLoggedIn) {
-    window.location.assign('/app/login');
-    return '';
+    return next(frontendURL('login'));
   }
 
   const { accounts = [], account_id: accountId } = user;

frontend/app/javascript/entrypoints/dashboard.js

@@ -108,6 +108,10 @@ initializeChatwootEvents();
 initializeAnalyticsEvents();
 initalizeRouter();
 
-window.onload = () => {
+if (document.readyState === 'complete') {
   app.mount('#app');
-};
+} else {
+  window.onload = () => {
+    app.mount('#app');
+  };
+}