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      "locale": "zh-hant",
      "file": "artifacts\\blog-refresh-2026-10-12\\captures\\compress-photos-email-windows\\zh-hant\\20261013T000200096Z\\outputs\\travel-photo-05-indigo-lime_compressed.jpg",
      "bytes": 2900874,
      "sha256": "a6541844a447378e484f660bbd6f158c580b8a18582990411114e8278b35bcb5",
      "width": 4200,
      "height": 2800,
      "historicalByteIdentity": true
    }
  ],
  "rawBatchBytes": 14442758,
  "binaryCapPerFile": 3145728,
  "binaryBatchCap": 15728640,
  "base64WithCRLF76Columns": {
    "measuredBatchBytes": 19763784,
    "cappedBatchBytes": 21523410,
    "scope": "Calculated attachment payloads only; excludes MIME headers, boundaries, body and signatures. No email sent or delivery tested."
  },
  "historicalCorrection": "Preserved historical measurements.csv target_bytes values of 3000000/file and 15000000 total are incorrect for the binary 3 MB app setting. Actual cap: 3145728/file, 15728640 total. Observed output bytes remain correct.",
  "visualReview": "Five synthetic colored-noise/texture sources and outputs viewed at fit size and native-pixel center crops. Output smooths fine noise; no real travel scenes, faces, text or transparency tested. Forty native screenshots checked in all ten languages, including target menu, 3 MB options, ready and completed; no personal desktop overlays.",
  "sources": [
    "https://support.google.com/mail/answer/6584?hl=en",
    "https://support.microsoft.com/en-us/outlook/sending-limits-in-outlook-com",
    "https://support.microsoft.com/en-US/Outlook/reduce-attachment-size-to-send-large-files-with-outlook",
    "https://www.rfc-editor.org/rfc/rfc2045#section-6.8"
  ]
}