The capstone of weeks of alert and intervention approached. Yasin and Samira tasted the megacity’s thin places tensing, thresholds pulsing with the memory of previous anomalies and interventions. Each threshold carried the weight of accumulated attention, some residual, some emergent, forming a complex chassis that responded to every ripple of perception. Samira arrived beforehand, carrying fresh reports and compliances." The currents are clustering," she said." Residuals, imperative attention, and echoes of the Chorus’ work are aligning in the same bumps." Yasin traced lines on the megacity chart, noting the confluence zones. Each