Design Critic Loop — the Gauntlet

A generator can't reliably grade its own homework: it decides "looks done" and inherits its own blind spots. This skill replaces self-review with independent, fresh-context critics that judge the design against an explicit definition of done, then loops build → critique → fix until the critics stop finding real faults. Popularized as the "Gauntlet Loop" / "Design Loop" (Matt Shumer).

Run the phases in order. Do not skip Phase 0.

Phase 0 — Define "done" (the gate)

The loop is only as good as its target. Before spending tokens, produce a concrete, restate-able Done Rubric. Assemble it from, in order: