{
  "browser": "Chrome/155.0.8059.39",
  "url": "http://127.0.0.1:8731/.captain-probe/capture-cdp.html",
  "viewport": "1600x900",
  "declaredSegments": [
    {
      "id": "curtain-rise",
      "at": 0,
      "end": 500
    },
    {
      "id": "curtain-open",
      "at": 500,
      "end": 1800
    },
    {
      "id": "maid-left-enter",
      "at": 1800,
      "end": 3200
    },
    {
      "id": "maid-right-enter",
      "at": 2050,
      "end": 3200
    },
    {
      "id": "title-reveal",
      "at": 3200,
      "end": 4400
    },
    {
      "id": "lace-tail",
      "at": 4400,
      "end": 5600
    },
    {
      "id": "stage-fade-out",
      "at": 5600,
      "end": 6400
    },
    {
      "id": "finished",
      "at": 6400,
      "end": 6400
    }
  ],
  "note": "时钟由页面注入并同步步进；CSS 过渡在同步步进后均已走完，因此 JS 时间线与实际画面一致。占位素材为自制 SVG，非真实立绘。 prefers-reduced-motion 与 new Image() 在本抓图夹具中被替换为「不命中」「瞬时完成」，故这是测试夹具下的动作预览，不能替代正式加载路径。",
  "shots": [
    {
      "file": "stage-01-maids-entering-3.0s.png",
      "requestedAnimMs": 3000,
      "expectation": "角色入场（幕布已开，标题未现）",
      "measuredAnimMs": 3030,
      "capturedState": {
        "animTimeMs": 3030,
        "controlState": "playing",
        "hostMounted": true,
        "hostDataState": "visible",
        "hostOpacity": "1",
        "stagePhase": "3",
        "curtainFlag": "open",
        "curtainOpacity": "1",
        "curtainPanelTransform": "matrix(1, 0, 0, 1, -872.64, 0)",
        "palaceOpacity": "1",
        "maidLeftOpacity": "1",
        "maidRightOpacity": "0.999432",
        "chibiOpacity": "1",
        "titleOpacity": "0",
        "titleEnOpacity": "0",
        "timelineFired": 4
      },
      "segmentsFiredByThen": [
        "curtain-rise@0",
        "curtain-open@500",
        "maid-left-enter@1800",
        "maid-right-enter@2050"
      ]
    },
    {
      "file": "stage-02-title-complete-4.5s.png",
      "requestedAnimMs": 4500,
      "expectation": "标题完整（中文+英文+金线）",
      "measuredAnimMs": 4529,
      "capturedState": {
        "animTimeMs": 4529,
        "controlState": "playing",
        "hostMounted": true,
        "hostDataState": "visible",
        "hostOpacity": "1",
        "stagePhase": "5",
        "curtainFlag": "open",
        "curtainOpacity": "1",
        "curtainPanelTransform": "matrix(1, 0, 0, 1, -872.64, 0)",
        "palaceOpacity": "1",
        "maidLeftOpacity": "1",
        "maidRightOpacity": "1",
        "chibiOpacity": "1",
        "titleOpacity": "1",
        "titleEnOpacity": "1",
        "timelineFired": 6
      },
      "segmentsFiredByThen": [
        "curtain-rise@0",
        "curtain-open@500",
        "maid-left-enter@1800",
        "maid-right-enter@2050",
        "title-reveal@3200",
        "lace-tail@4400"
      ]
    },
    {
      "file": "stage-03-stable-stage-5.3s.png",
      "requestedAnimMs": 5300,
      "expectation": "完整稳定舞台（粒子/鲸尾段）",
      "measuredAnimMs": 5330,
      "capturedState": {
        "animTimeMs": 5330,
        "controlState": "playing",
        "hostMounted": true,
        "hostDataState": "visible",
        "hostOpacity": "1",
        "stagePhase": "5",
        "curtainFlag": "open",
        "curtainOpacity": "1",
        "curtainPanelTransform": "matrix(1, 0, 0, 1, -872.64, 0)",
        "palaceOpacity": "1",
        "maidLeftOpacity": "1",
        "maidRightOpacity": "1",
        "chibiOpacity": "1",
        "titleOpacity": "1",
        "titleEnOpacity": "1",
        "timelineFired": 6
      },
      "segmentsFiredByThen": [
        "curtain-rise@0",
        "curtain-open@500",
        "maid-left-enter@1800",
        "maid-right-enter@2050",
        "title-reveal@3200",
        "lace-tail@4400"
      ]
    }
  ]
}