Drill: Clone Vercel deployment list: build, critique against real Vercel, iterate.

Interpretation: Built the Vercel product dashboard deployment-list surface (NOT the marketing site) — in-app view with project sidebar, borderless deployment rows with hairline dividers, 3-layer status pills (Ready/Building/Error/Queued), Geist mono branch pills, commit hashes. Applying the 2026-07-04 vision calibration notes precisely: gallery-airy density, #171717 ink, aggressive negative tracking.