refactor: authController, add session types

server/src/types/express-session.d.ts

@@ -0,0 +1,9 @@
+/* eslint-disable no-undef */
+/* eslint-disable no-unused-vars */
+import 'express-session'
+
+declare module 'express-session' {
+  interface SessionData {
+    newUser?: Express.PendingUser // Adjust the type according to your newUser structure
+  }
+}