{
  "date": "2026-10-25",
  "method": "Actual browser file chooser, Complete HTML page, English metadata, default filename-derived title; actual downloads opened in browser and independently parsed. No timing benchmark or real-phone claim.",
  "cases": [
    {
      "sample": "01-structure",
      "input_bytes": 246,
      "output_bytes": 1144,
      "source_sha256": "e587fc614371b89ba9b48f798a95dabfd9912fdadb06226da7696c442353454b",
      "output_sha256": "7f663583bac10e9287d171788cd3d28341275a5c4c7125b1f7834c2edab74071"
    },
    {
      "sample": "02-gfm-table",
      "input_bytes": 471,
      "output_bytes": 1934,
      "source_sha256": "941b6aec7660836356e1d5888227acfdc19319630eb859deee2d9f6da1d6f3a6",
      "output_sha256": "3e09796a65bd313f445b9c4415e75525a4407f578b57362f5b528c9fab12f7c7"
    },
    {
      "sample": "03-boundaries",
      "input_bytes": 291,
      "output_bytes": 1085,
      "source_sha256": "92518ed04c42df4d202a4ce8ff39135859541ad655fbbe99f3c7418ea513354f",
      "output_sha256": "ae762dd5ae42d0d9b98f3ef7ccd414f09992934d45e3b86fdc337826a4abbb26"
    }
  ],
  "table_cells": [
    [
      "Record",
      "Name",
      "Value"
    ],
    [
      "ROW001",
      "Item 01",
      "7"
    ],
    [
      "ROW002",
      "Item 02",
      "14"
    ],
    [
      "ROW003",
      "Item 03",
      "21"
    ],
    [
      "ROW004",
      "Item 04",
      "28"
    ],
    [
      "ROW005",
      "Item 05",
      "35"
    ],
    [
      "ROW006",
      "Item 06",
      "42"
    ],
    [
      "ROW007",
      "Item 07",
      "49"
    ],
    [
      "ROW008",
      "Item 08",
      "56"
    ],
    [
      "ROW009",
      "Item 09",
      "63"
    ],
    [
      "ROW010",
      "Item 10",
      "70"
    ],
    [
      "ROW011",
      "Item 11",
      "77"
    ],
    [
      "ROW012",
      "Item 12",
      "84"
    ]
  ],
  "results": {
    "structure": "Heading, emphasis, nested list, quote, link and literal fenced code retained",
    "table": "All 12 rows and three columns exact; two tasks and strikethrough present",
    "boundaries": "Raw tags escaped; unsafe URL removed; image remains external file reference; math literal; Mermaid code; footnote unsupported"
  }
}