{
  "environment": {
    "device": "Pixel 9",
    "os": "Android 16 / API 36",
    "viewport": [
      1080,
      2424
    ],
    "theme": "light",
    "surface": "native Android development client"
  },
  "starts": {
    "edit-file01-start": {
      "pixelIdentical": true,
      "basePixelSha256": "7409f658fc61e081d6e195f18343616d46f46c584f0db4abc6a24eab03db460c",
      "headPixelSha256": "7409f658fc61e081d6e195f18343616d46f46c584f0db4abc6a24eab03db460c"
    },
    "no-edit-control-start": {
      "pixelIdentical": true,
      "basePixelSha256": "98cb65784cb85c09c36cbb519b4f7723f201b0006b7ec73a8035bb5fd07f1adf",
      "headPixelSha256": "98cb65784cb85c09c36cbb519b4f7723f201b0006b7ec73a8035bb5fd07f1adf"
    },
    "edit-file02-start": {
      "pixelIdentical": true,
      "basePixelSha256": "98cb65784cb85c09c36cbb519b4f7723f201b0006b7ec73a8035bb5fd07f1adf",
      "headPixelSha256": "98cb65784cb85c09c36cbb519b4f7723f201b0006b7ec73a8035bb5fd07f1adf"
    }
  },
  "controls": {
    "base": true,
    "head": true
  },
  "stableStills": {
    "base/edit-file01-start": true,
    "base/edit-file01-refreshed": true,
    "base/no-edit-control-start": true,
    "base/no-edit-control-refreshed": true,
    "base/edit-file02-start": true,
    "base/edit-file02-refreshed": true,
    "base/file01-new-line": true,
    "base/file02-new-line": true,
    "head/edit-file01-start": true,
    "head/edit-file01-refreshed": true,
    "head/no-edit-control-start": true,
    "head/no-edit-control-refreshed": true,
    "head/edit-file02-start": true,
    "head/edit-file02-refreshed": true,
    "head/file01-new-line": true,
    "head/file02-new-line": true
  },
  "observation": "After each edited-file refresh, head retains the visible file with a one-row offset; base collapses to the first file. No-edit controls are unchanged."
}