anchor.diff:          json["mvpName"] = mvpName;
           json["mvpGrist"] = mvpGrist;
           json["session_id"] = session_id.toString();
  +        json["scratched"] = scratched.toString();
  +
           return json;
       }
   
  
positive.code:     }
  
      void initNumKeys() {
          print("initing num keys");
          SessionSummary summary  = this;
          summary.setNumStat("num_scenes", 0);
          summary.setNumStat("sizeOfAfterLife", 0);
  
negative.code:         summary.setNumStat("averageAlchemySkill", 0);
          summary.setNumStat("averageRelationshipValue", 0);
          summary.setNumStat("averageSanity", 0);
      }
  
      static SessionSummary makeSummaryForSession(Session session) {
  