{
  "tool": "measure-d63.mjs",
  "preregistration": "docs/2026-09-03-d63-preregistration.md",
  "takenAt": "2026-09-03T06:51:20.143Z",
  "caliber": "B 面 · W 口径（预注册 §3.1 候选池内按 §3.2 纳入的文件；page 或 SECTION 的直接子 FRAME）",
  "surfacePin": {
    "36gNWkoGjqLVs9rcbKC6Tl": {
      "label": "Partyline User Flow",
      "version": "3777601291",
      "lastModified": "2022-03-12T14:54:35Z"
    },
    "4EQpF46tP8vnTFQmJ8NnQo": {
      "label": "AI Meeting Summary",
      "version": "2373375477261439877",
      "lastModified": "2026-07-07T07:16:33Z"
    },
    "63QtUREeClRf0y5lyfxSX9": {
      "label": "TVU One Screen (Router Only ) 20200707",
      "version": "6312040640",
      "lastModified": "2023-01-28T02:14:18Z"
    },
    "FO9VtlBOHNzPZzAA1YvHbU": {
      "label": "Audience mode",
      "version": "1644686227",
      "lastModified": "2022-03-12T14:16:42Z"
    },
    "FoG3Ey3MCsjzjC1FjEe7fx": {
      "label": "MediaMesh Platform (Workflow)",
      "version": "2391185478823315989",
      "lastModified": "2026-08-24T07:01:49Z"
    },
    "Gnlrp8mgups9hxGfktrQqu": {
      "label": "Partyline App",
      "version": "2344442705509813188",
      "lastModified": "2025-05-27T10:00:54Z"
    },
    "I6VXV4tm8iZquJT8ZRwHz0": {
      "label": "PTZ Camera Control",
      "version": "2161169183884448314",
      "lastModified": "2023-02-27T05:05:13Z"
    },
    "IVLlkT4nj7s9Wbb0lkPwB8": {
      "label": "The Modem Manager page 20230410",
      "version": "3337120059",
      "lastModified": "2023-04-14T02:32:19Z"
    },
    "IsYUV4J5r3J8eBJbkvGLXD": {
      "label": "Producer (Old)",
      "version": "2250917949565669177",
      "lastModified": "2025-08-11T08:11:08Z"
    },
    "KUd2YrYVJI8f7HY1Gm5lvy": {
      "label": "TVU Services Calculator 20250410",
      "version": "2325051365700623927",
      "lastModified": "2026-01-16T06:13:07Z"
    },
    "LNFluKoU7UOpeJ1Kvpb8TO": {
      "label": "freely and seamlessly switched to different transmission channels 20231106",
      "version": "4518943838",
      "lastModified": "2023-11-10T05:55:39Z"
    },
    "LqGYI4VS8tcADqTfjJCAv5": {
      "label": "Audio Only Mode and Meeting Details panel",
      "version": "2192687908251910114",
      "lastModified": "2022-03-12T14:54:24Z"
    },
    "LrpfxgSPClEYxGzU7Uk2nr": {
      "label": "TVU Switch for RPS One",
      "version": "6367352224",
      "lastModified": "2023-06-06T09:49:22Z"
    },
    "LxWBsOWnb3iDTQksU6y9D1": {
      "label": "Processing of Start/Stop live for RPS One",
      "version": "3460173522",
      "lastModified": "2023-05-09T08:49:57Z"
    },
    "N1yWU35oR6tQx6vJE3xVNW": {
      "label": "processing flow",
      "version": "4482316052",
      "lastModified": "2023-03-30T09:30:43Z"
    },
    "OjgbGZm1v4doqcH5eaUXjS": {
      "label": "Overlay pop-up ux",
      "version": "4104626861",
      "lastModified": "2023-09-05T02:38:42Z"
    },
    "P5h5fgRSzg56LS3ww6WCJw": {
      "label": "Partyline 3.0",
      "version": "2393770455909522304",
      "lastModified": "2026-08-31T06:40:22Z"
    },
    "PHdFLddttTVo6T2PbNjbpc": {
      "label": "Drive Admin",
      "version": "2373041909718278333",
      "lastModified": "2026-07-06T09:23:05Z"
    },
    "PQyJus9URqv8C0Y4FcQuWx": {
      "label": "Partyline 2.0",
      "version": "2386663845168461692",
      "lastModified": "2026-08-12T03:07:35Z"
    },
    "PmBfnMiyOj7x99706gY51m": {
      "label": "MediaHub 2025",
      "version": "2362545639936018541",
      "lastModified": "2026-04-01T09:40:05Z"
    }
  },
  "subject": "probes/detect-frame-theme/detect-frame-theme-tiered.mjs（副臂 detectFrameThemeTieredStrict）",
  "scanFaceN": 4056,
  "measuredN": 1461,
  "D63_VERDICT": "支持副臂外推",
  "instrumentControls": {
    "MH1": "见 scan-blind-face.mjs --mode equivalence（新尺子与 holdout-scan 逐位相同）",
    "MH2": "pass（锚点 dark / median=0.192157）",
    "MH3": "pass",
    "MH4": "pass",
    "MN1": "pass（孤儿 0 / join 1461 条）"
  },
  "floors": {
    "F1": {
      "what": "B 面 T3 档节点数 ≥ 20（否则两臂无差异，一切读数恒等）",
      "min": 20,
      "got": 432,
      "pass": true
    },
    "F2": {
      "what": "measuredN ≥ 300",
      "min": 300,
      "got": 1461,
      "pass": true
    }
  },
  "commitments": {
    "C1": {
      "what": "有害错判：v3strict 判 light ∧ 像素真值 dark",
      "got": 1,
      "line": 8,
      "pass": true,
      "note": "线 = ceil(0.005268 × 1461) —— H 面观测 3 次事件的 Poisson 95% 上界外推"
    },
    "C2": {
      "what": "unknown 率上限（⛔ 弱线，只堵退化）",
      "got": 0.3518,
      "line": 0.5,
      "pass": true,
      "note": "⛔ 过了只说明副臂没退化成全 unknown，⛔ 不得读作「unknown 受控」"
    }
  },
  "hFaceBaseline": {
    "measuredN": 1472,
    "harmful": 3,
    "unknown": 346,
    "m1Regressions": 79,
    "note": "⛔ 并排参照 —— B 面与 H 面是两个面，⛔ 不是同一实验的两次重复"
  },
  "boundary": {
    "note": "⛔ 非承诺指标 —— 构造保证 / 事后观察，⛔ 不用于改 D63_VERDICT（预注册 §2.3）",
    "c1StructuralDenominator": {
      "exposedFace": 1029,
      "opportunities": 835,
      "what": "C1 的分母 = T1∪T2 中像素真值为 dark 的节点数（副臂在 T3 恒 unknown ⇒ 那一档不可能产生有害错判）",
      "strictSaidLight": 1,
      "strictSaidDark": 834
    },
    "armTradeoff": {
      "what": "副臂相对主臂：买到什么、付出什么",
      "fewerHarmful": 2,
      "moreUnknown": 91,
      "fewerCorrect": 49,
      "unknownPerHarmfulAvoided": 45.5,
      "correctLostPerHarmfulAvoided": 24.5
    },
    "m1RegressionsStrict": 71,
    "m1RegressionsMain": 2,
    "harmfulByArm": {
      "v1": 45,
      "v2": 6,
      "v3": 3,
      "v3strict": 1
    },
    "harmfulByTier": {
      "v1": {
        "T2": 42,
        "T3": 2,
        "T1": 1
      },
      "v2": {
        "T2": 2,
        "T3": 2,
        "T1": 2
      },
      "v3": {
        "T3": 2,
        "T1": 1
      },
      "v3strict": {
        "T1": 1
      }
    },
    "unknownByArm": {
      "v1": 426,
      "v2": 424,
      "v3": 423,
      "v3strict": 514
    },
    "correctByArm": {
      "v1": 1022,
      "v2": 1088,
      "v3": 1089,
      "v3strict": 1040
    },
    "errByArm": {
      "v1": 439,
      "v2": 373,
      "v3": 372,
      "v3strict": 421
    },
    "c1FalsifiabilityCheck": {
      "v1": {
        "harmful": 45,
        "wouldPass": false
      },
      "v2": {
        "harmful": 6,
        "wouldPass": true
      },
      "v3": {
        "harmful": 3,
        "wouldPass": true
      },
      "v3strict": {
        "harmful": 1,
        "wouldPass": true
      }
    },
    "tierTally": {
      "T3": 432,
      "T2": 81,
      "T1": 948
    },
    "pixelTally": {
      "light": 161,
      "dark": 1097,
      "unknown": 203
    }
  }
}