{
  "status": "passed",
  "checks": [
    "Math and counter layouts fit 1280px; shared design matches Cambrian",
    "Math and counter layouts fit 390px; shared design matches Cambrian",
    "Math and counter layouts fit 320px; shared design matches Cambrian",
    "Keyboard changes recording models and advances their states",
    "Keyboard activates buttons, disclosures and native number selections",
    "Keyboard adjusts precision and advances the refinement",
    "Script-disabled page retains arithmetic and all three failure explanations, hiding inoperative controls",
    "All thirteen refinement states fit three widths; static bounds and explanation survive without scripts"
  ],
  "scope": "Chromium layout and selected keyboard paths; not a complete assistive-technology or human comprehension study."
}