You lose twice...
I don't think so.....
police intervention when protests become dangerous
Once protesters block roads and prevent operation of firefighters and ambulances - it is not peaceful protest anymore. Do you want to die from heart attack because peaceful protesters does not allow paramedics to reach you timely?
What Navalny tend to do in Moscow. Their organization requesting place for mass meeting from mayor office, receiving a list of places that can be approved, choosed one... And immediately before meeting time using Twitter and Telegram changed place to one of streets or places where crowd clog whole center of city in "10 out of 10" traffic jams. Do you think 12+ million city liked such "freedom" from 2-3 thousand of brainwashed youngsters?
what response to electoral fraud is appropriate?
As I can see (if, of course, the U.S. is the standard of democracy) correct responce is to shut up, swallow, and fear to look to the side where BLM crowds "protesting".
Can't you do any better than that?
Will not even try. Can only quote - "this is not your fcuking business". Care about your own country and your own government first.