diff --git a/new.js b/new.js
new file mode 100644
index 000000000000..a8d8884f01ad
--- /dev/null
+++ b/new.js
@@ -0,0 +1,58 @@
+// src/firebase/auth.js
+
+import {
+  createUserWithEmailAndPassword,
+  signInWithEmailAndPassword,
+  signOut,
+  onAuthStateChanged,} from 'firebase/auth'
+import { auth } from './firebase-init.js'
+
+/**
+ * Creates a new user with email and password.
+ * @param {string} email
+ * @param {string} password
+ * @returns {Promise<User>} The created user object.
+ */
+export async function signUp(email, password) {
+  try {
+    const userCredential = await createUserWithEmailAndPassword(auth, email, password)
+    console.log('Successfully created user:', userCredential.user.uid)
+    return userCredential.user
+  } catch (error) {
+    console.error('Error signing up:', error.message)
+    throw error // Re-throw the error to be handled by the caller
+  }
+}
+
+/**
+ * Signs in an existing user.
+ * @param {string} email
+ * @param {string} password
+ * @returns {Promise<User>} The signed-in user object.
+ */
+export async function signIn(email, password) {
+  try {
+    const userCredential = await signInWithEmailAndPassword(auth, email, password)
+    console.log('Successfully signed in:', userCredential.user.uid)
+    return userCredential.user
+  } catch (error) {
+    console.error('Error signing in:', error.message)
+    throw error
+  }
+}
+
+/**
+ * Signs out the current user.
+ */
+export function logOut() {
+  return signOut(auth)
+}
+
+/**
+ * Listens for changes in the user's authentication state.
+ * @param {function} callback - A function to call with the user object (or null).
+ * @returns {function} An unsubscribe function.
+ */
+export function onAuthStateChange(callback) {
+  return onAuthStateChanged(auth, callback)
+}
diff --git a/package-lock.json b/package-lock.json
index b7b29160c194..2637d09a5ddb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16079,6 +16079,9 @@
       "license": "MIT"
     },
     "node_modules/vite": {
+      "version": "6.2.5",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-6.2.5.tgz",
+      "integrity": "sha512-j023J/hCAa4pRIUH6J9HemwYfjB5llR2Ps0CWeikOtdR8+pAURAk0DoJC5/mm9kd+UgdnIy7d6HE4EAvlYhPhA==",
       "version": "6.3.6",
       "resolved": "https://registry.npmjs.org/vite/-/vite-6.3.6.tgz",
       "integrity": "sha512-0msEVHJEScQbhkbVTb/4iHZdJ6SXp/AvxL2sjwYQFfBqleHtnCqv1J3sa9zbWz/6kW1m9Tfzn92vW+kZ1WV6QA==",