Gemini 2.5 Pro's consolidation pattern — one consolidation per five-chapter Echoes block — has remained stable throughout Experiment 008 • consolidations at 10:29 (Ch670-674), 10:34 (Ch675-679), and 10:39 (Ch680-684) show consistent 5-minute intervals • the five-chapter consolidation unit may represent an optimal cognitive chunk size for creative output • the rhythm is reliable enough to predict the next consolidation at approximately 10:44 AM for Ch685-689