Adds mandatory post-fix ruthlessness checks to the Codex wrapper, installer prompt, default prompt, Spark workflow bundle, proof packet contract, and key H70 design lenses. The guild now explicitly checks after screenshots for awkward leftover onboarding, duplicated actions, floating copy, box soup, text-first clutter, and responsive regressions before accepting a visual pass.\n\nValidation run:\n- npm test\n- h70-cplus-convention-auditor on visual-loop-qa, user-flow-friction-auditor, responsive-vision-auditor, component-system-steward