{
  "fixture": "svg-background-before.svg",
  "after": "svg-background-after.svg",
  "createdAt": "2026-10-10",
  "purpose": "Distinguish a removable background rectangle and embedded bitmap from the foreground vector path.",
  "before": {
    "rectIds": ["background-rectangle"],
    "imageIds": ["embedded-bitmap"],
    "pathIds": ["foreground-mark"],
    "pathCount": 1
  },
  "after": {
    "rectIds": [],
    "imageIds": [],
    "pathIds": ["foreground-mark"],
    "pathCount": 1
  },
  "checks": [
    "The before file contains one background rect and one image element.",
    "The after file contains the same foreground path and no rect or image element.",
    "The fixture does not test arbitrary SVG masks, patterns, filters, or an editor's native UI behavior."
  ]
}