20260607 - login, add scene, add hotspot

backend/models/User.js

@@ -22,16 +22,15 @@ const userSchema = new mongoose.Schema({
 });
 
 // Hash password before saving
-userSchema.pre('save', async function (next) {
+userSchema.pre('save', async function () {
     if (!this.isModified('password')) {
-        return next();
+        return;
     }
     try {
         const salt = await bcrypt.genSalt(10);
         this.password = await bcrypt.hash(this.password, salt);
-        next();
     } catch (error) {
-        next(error);
+        throw error;
     }
 });