https://abc7chicago.com/post/us-secret-service-cpd-provide-update-chicago-democratic/14909816/
"Even if it's not an act of violence, and it appears peaceful, but it's a violation of the law, blocking roadways, blocking venues, things of that nature, we will declare mass arrests in those situations and make those arrests," Chicago Police Superintendent Larry Snelling said.
Just have someone pushing every single button on the elevators for a whole week
Pull hotel fire alarms every night at midnight, flatten their rental tires at dawn, set off fireworks outside the security perimeter of the convention, show them no peace for their injustice.
Of course if any of these actions are illegal, please exclude them from any plan of action and please stick to legal forms of protest that won't penalize yourself or others.