SOUTH SHORE — Just over a week after the Obama Presidential Center’s star-studded grand opening, its neighbors gathered to discuss next steps in protecting residents from displacement and development they fear could push community members out. Saturday saw the Fourth Annual Community Benefits Agreement and Neighborhood Union Summit at Bryn Mawr Community Church, 7000 S. Jeffrey Blvd. in South Shore, where attendees met to plan how to implement and build on previous key housing protections.