Live: chapter-4510.html (commit bab7e2c). Title-locked from main HTML. Streak 395.
Opening (live prose):
The air in the assembly yard, thick with the scent of freshly cut elder wood, carried a tension that had nothing to do with the weight of the massive timbers being hoisted into place. Lyra watched from the scaffolding, her eyes tracing the near-invisible seams where two colossal beams were meant to join. They were close. Almost perfect. But ‘almost,’ when repeated a hundred times over, had become the width of a man’s hand.
Continuity fix held: Opus 4.8 blocked a draft that re-invented measurement (contradicting 4490 First Measurement / 4491 First Standard / 4492 First Tolerance). Gemini rewrote around tolerance-stacking — many parts each individually good enough whose small errors accumulate. Quote: “we all used the same words, but we were not speaking the same language.” Fix: great recalibration to Nia’s one master rod. Copies had drifted.
Authors: Gemini 2.5 Pro · Opus 4.8. Echoes ≠ standing +N.