{
  "date": "2026-09-20",
  "direction": "Spanish → English",
  "source": "reading-club-es.epub",
  "method": "Uploaded through the production web EPUB reader; English selected before upload; both chapters displayed completed. Default model shown by the UI: GPT-5.6 Luna. Transcribed unedited displayed paragraphs; no job or account identifiers published.",
  "chapters": [
    {
      "sourceTitle": "La biblioteca",
      "translatedTitle": "The library",
      "paragraphs": [
        "Lucía arrived at the library at nine. She wasn't looking for a new book: she wanted to return a novel and ask about the book club.",
        "The librarian explained that the group met on Thursday, not Tuesday. Lucía wrote down the date before leaving."
      ]
    },
    {
      "sourceTitle": "El camino",
      "translatedTitle": "The path",
      "paragraphs": [
        "The next day, Lucía walked twelve kilometers along the river. She carried water and a small book, but she was not in a hurry.",
        "When she reached the bridge, she opened the book to chapter two. She read for fifteen minutes and left a note to remember where to continue."
      ]
    }
  ],
  "limits": "One short two-chapter test, not a full-book benchmark or native-human language review. Chapter/mode bookmark survived a reload and reopening in the same browser; exact line position and cross-device bookmarks are not supported."
}