{
  "date": "2026-10-05",
  "runtime": "v24.19.0",
  "app_sha256": "b5b23e8c7028a1ee6ede9b41b459f5213af44661fc42f3d8c07b4a45f99c0644",
  "method": "Synthetic fixtures, not Claude samples. Actual homepage script in minimal DOM. Invisible checkbox on; dash Keep unless matrix says otherwise. Observations are fixture-specific, not general application tests.",
  "rows": [
    {
      "label": "CGJ between marks",
      "stage": "direct string",
      "mode": "keep",
      "input": "á͏̣",
      "output": "ạ́",
      "input_codepoints": "U+0061 U+0301 U+034F U+0323",
      "output_codepoints": "U+0061 U+0301 U+0323",
      "status": "Removed 1 invisible character",
      "before": {
        "nfd": [
          "U+0061",
          "U+0301",
          "U+034F",
          "U+0323"
        ],
        "nfc": [
          "U+00E1",
          "U+034F",
          "U+0323"
        ]
      },
      "after": {
        "nfd": [
          "U+0061",
          "U+0323",
          "U+0301"
        ],
        "nfc": [
          "U+1EA1",
          "U+0301"
        ]
      }
    },
    {
      "label": "Same marks without CGJ",
      "stage": "direct string",
      "mode": "keep",
      "input": "ạ́",
      "output": "ạ́",
      "input_codepoints": "U+0061 U+0301 U+0323",
      "output_codepoints": "U+0061 U+0301 U+0323",
      "status": "No selected invisible characters found",
      "before": {
        "nfd": [
          "U+0061",
          "U+0323",
          "U+0301"
        ],
        "nfc": [
          "U+1EA1",
          "U+0301"
        ]
      },
      "after": {
        "nfd": [
          "U+0061",
          "U+0323",
          "U+0301"
        ],
        "nfc": [
          "U+1EA1",
          "U+0301"
        ]
      }
    },
    {
      "label": "Baseline base and mark",
      "stage": "direct string",
      "mode": "keep",
      "input": "á",
      "output": "á",
      "input_codepoints": "U+0061 U+0301",
      "output_codepoints": "U+0061 U+0301",
      "status": "No selected invisible characters found",
      "before": {
        "nfd": [
          "U+0061",
          "U+0301"
        ],
        "nfc": [
          "U+00E1"
        ]
      },
      "after": {
        "nfd": [
          "U+0061",
          "U+0301"
        ],
        "nfc": [
          "U+00E1"
        ]
      }
    }
  ]
}