{
  "head": "e76c41919d",
  "featureHead": "89ee147526",
  "browser": "T3 collaborative browser Chromium Linux",
  "viewport": [
    1280,
    800
  ],
  "sequence": [
    "Open real dev app and existing synthetic thread, load four yellow images",
    "Overwrite /tmp/t3-15676-chart.png to RGB208,0,208",
    "Ask Claude Sonnet5.5 to embed exact same path in another reply without file edits",
    "Without reload sample old four yellow and new reply magenta"
  ],
  "beforePixels": [
    [
      255,
      225,
      0,
      255
    ],
    [
      255,
      225,
      0,
      255
    ],
    [
      255,
      225,
      0,
      255
    ],
    [
      255,
      225,
      0,
      255
    ]
  ],
  "afterPixels": [
    [
      255,
      225,
      0,
      255
    ],
    [
      255,
      225,
      0,
      255
    ],
    [
      255,
      225,
      0,
      255
    ],
    [
      255,
      225,
      0,
      255
    ],
    [
      208,
      0,
      208,
      255
    ],
    [
      208,
      0,
      208,
      255
    ]
  ],
  "notes": "two magenta elements: user prompt embed and assistant reply embed; no screenshot pairing links or signed URLs published"
}