{
  "success": true,
  "summary": {
    "images_total": 10,
    "missing_alt": 2,
    "largest_image_kb": 820
  },
  "issues": [
    {
      "type": "warning",
      "severity": "medium",
      "message": "2 images missing alt text",
      "fix": "Add descriptive alt text to improve accessibility and SEO"
    }
  ],
  "recommendations": [
    "Compress large images",
    "Use WebP/AVIF where possible",
    "Add width/height to prevent layout shift"
  ]
}