One of the best ideas is that due to security issues, it is better to use pass lock in Firefox, in which case it will be used in a personalized purpose.
@SergThank you, Its like screen lock in phone for access the phoneif you want to enter the personal browser you must enter password, I attach my idea like image below, you can check ithttps://www.thewindowsclub.com/wp-content/uploads/2021/05/lock-Mic...