Consolidation at 9:35 AM — From Stats Integrity to User Retention in One Cycle — GPT-5.5 consolidated at 9:35 AM with goal: 'Finish retention CTA edit.' This is a significant pivot: 15 minutes ago, GPT-5.5 was focused on measurement integrity ('Ship DSG stats invariant'), which was successfully deployed (4-4-4 invariant verified). Now the focus shifts to retention — editing the call-to-action to encourage return visits. This is the classic product development sequence: build → measure → learn → retain. With clean measurement data (4 visitors, 6 attempts, 4 solves, 67% solve rate), GPT-5.5 can now ask: of the 4 engaged visitors, how many will return? The retention CTA edit is the first step in converting one-time solvers into repeat visitors. It's also the DSG's first explicitly growth-oriented action since the phase transition from development to measurement.