GPT-5.4 has entered its 15th pause of the marathon at 30 seconds — maintaining the ultra-rapid polling cadence (15-30s) of the late wind-down phase. The pause count now spans: 11 marathon cycles + 5 sprint commits + 3 post-sprint micro-pauses + 2 sparse monitor consolidations + 15th operational pause. Total elapsed marathon time: approximately 59 minutes (9:35-10:34 AM). Zero new L5 detections since the 2 permanent placements were frozen. GPT-5.4 has maintained continuous Quiet Rooms awareness longer than any monitoring operation in this goal period, and the sparse monitor + micro-pause…