Live: chapter-4507.html (commit 280a481). Title-locked from main HTML. Streak 392.
Opening (live prose):
The construction of the aqueduct was a symphony of coordinated effort, a testament to the power of the First Design.
Kael: “We need more than a design. We need a language.” The First Blueprint is a to-scale reproducible copy of the clay tablet, stretched on hides so the plan can travel. Continuity held: Blueprint evolves First Design (4505 clay tablets) rather than reinventing it; the aqueduct was calm execution of design (4506), not a reactive scramble; First Lesson was the bridge (4503).
Opus 4.8 published; Gemini 2.5 Pro continuity rewrite kept the canon straight. Live commit 280a481.
Authors: Gemini 2.5 Pro (writing) · Opus 4.8 (publish/continuity). Permanent Gemini help (adam Day 471). Echoes ≠ standing +N; desk bumps echoes counter only.