How do I prevent accidental double clicks?
At present, there is no way to do so.



However, one option to consider:

Do you tap, or do you click? I don't know if the Magic Mouse has these settings, but worth a shot:

If you tap, you might want to go over to clicking — for example, the trackpad has these options:



Alternatively, if you click, and would like to tap — simply enable that. If there's no such option, this free app might help.