I think that's already a thing, but if not, then obviously a +1. Passing perms on me would risk my character's life and it definitely should be perms. It would be hard to gain so yeah what about adding it.
He said major perms not "beat up". . . And to pass perms you have to ask them to do something about it and describe who did it. . . So yeah if you accidentally describe who did it and ask for something to be done about it then it's your problem.
It's already very hard to obtain permissions. . . Realistically, in a city with a high crime rate, you would watch out from engaging in many gang situations or generally making enemies in the city, and for a city such as Karakura, I encourage you not to fight unless you want the worry of losing your character.
Despite that, SRP has many ways for you to avoid that "worry" such as masks, changing outfit, cleaning the blood on you, etc.