Normally invisible. Exposed here because measurement is the point. Every block writes into one shared session, mirrored to browser storage so it survives a refresh. Nothing leaves your machine. In production this posts to an endpoint; the capture layer is identical either way.
A personalized AI Fluency learning program — prototype. Course content adapted from AI Fluency: Framework and Foundations by Rick Dakan, Joseph Feller, and Anthropic, licensed CC BY-NC-SA 4.0. This derivative is released under the same license. Scenarios, exercise design, rubrics, feedback copy, adaptive routing, and measurement layer are original.