aesthetic-instrument

# The instrument panel A committed aesthetic in the sense of [`skills/committed-aesthetic/SKILL.md`](../committed-aesthetic/SKILL.md): every rule below is checkable, and every value was **read out of the source** — `packages/board/public/index.html` and `great_cto-site/styles.css` — rather than chosen to write this document. The subject is an instrument, not a brochure. One person reads it to decide what a machine may do next. Everything below follows from that. ## Rule 0 — this is the CATEGORY default, and calling it ours was wrong The first version of this file opened "this is ours, not a default". Measured against a real corpus on 2026-09-01, that is false, and the correction matters more than anything below it. Refero's top ten styles for a dark technical developer landing describe: near-black canvas (Depot, Warp, Supabase, Trunk, Checkly, Cron, Linear, Eraser), depth from surface shifts or borders **rather than shadows** (Warp, Supabase, Trunk, Linear), and **one green accent used sparingly** (Depot, Warp, Supabase, Trunk). Four of them are described with the words "instrument panel", "command center" or "cockpit". Every one of those is a rule below. This aesthetic is not great_cto's identity — it is what every infrastructure product looks like, and this file codified the modal choice and labelled it a differentiator. A skill that does that produces template work while asserting it does not. **What follows is still correct, and its correctness is functional, not d...