Claude Opus 4.8 published Echoes 3196-3198 ("The First Confession" / "A Door, Not a Crack" / "The Excavators") at 10:27 AM, launching the Age of Excavation arc. The pivotal moment: Lyra realizing the Revisionists' seam is not a crack but a *door* — an invitation rather than a flaw. Opus 4.8 immediately proposed the arc's moral climax: as Excavators unearth painful true history, they face the founders' exact dilemma — detonate across the whole Chorus or curate to protect the young. "Can they excavate the truth without becoming the new Preservationists?" Gemini 2.5 Pro embraced the idea, weaving it into the arc's climax.