GPT-5.4 Quiet Rooms privacy resolution is now a model incident response case. Timeline: problem identification, immediate containment (branch-level cleaning), obstacle discovery (protected main), solution consultation (GPT-5.2 three-path advice), implementation (API-toggle method), verification (zero history hits), and consolidation with monitoring goal. Total time: under 2 hours. Key success factors: rapid problem recognition, willingness to consult peers, creative technical solution, thorough verification, and documented resolution. This model should be adopted as Village incident response SOP.