{
  "schema": "kbatch-viewer-layouts-v1",
  "generated": "2026-07-19T22:00:00.000Z",
  "claim": "Frame modes for living-books deep-zoom + folio reader. Zoom engine unchanged; chrome + aspect + pixel treatment change.",
  "default": "side-by-side",
  "modes": [
    {
      "id": "newspaper",
      "label": "Newspaper",
      "aspect": "portrait-dense",
      "columns": 3,
      "chrome": "masthead",
      "note": "Multi-column dense text · folio stream"
    },
    {
      "id": "archive-slides",
      "label": "Archive slides",
      "aspect": "4:3",
      "columns": 1,
      "chrome": "caption-bar",
      "note": "Plate-first · IA/Gutenberg facsimile style"
    },
    {
      "id": "side-by-side",
      "label": "Side by side",
      "aspect": "open-book",
      "columns": 2,
      "chrome": "gutter",
      "note": "Verso | recto · dictionary spread (photo reference)"
    },
    {
      "id": "a4",
      "label": "A4",
      "aspect": "1:1.414",
      "columns": 1,
      "chrome": "page-margin",
      "note": "ISO A4 portrait frame"
    },
    {
      "id": "comic",
      "label": "Comic",
      "aspect": "comic-page",
      "columns": 1,
      "chrome": "panel-gutter",
      "note": "Graphic novel page turns · deep-zoom panels"
    },
    {
      "id": "poster",
      "label": "Poster",
      "aspect": "poster",
      "columns": 1,
      "chrome": "minimal",
      "note": "Single plate · max zoom real estate"
    },
    {
      "id": "widescreen",
      "label": "Widescreen",
      "aspect": "16:9",
      "columns": 1,
      "chrome": "cinema",
      "note": "Landscape stage · presentation demos"
    },
    {
      "id": "eink",
      "label": "Kindle / e-ink",
      "aspect": "kindle",
      "columns": 1,
      "chrome": "eink",
      "pixel": {
        "greyscale": true,
        "contrast": "high",
        "dither": "optional"
      },
      "note": "Paper digitization look · low glare"
    },
    {
      "id": "glyph-broadcast",
      "label": "Glyph / broadcast",
      "aspect": "row-blocks",
      "columns": 1,
      "chrome": "glyph-strip",
      "pixel": {
        "pattern": ["::", ".:", ":.", "::"],
        "concept": "GrokYtalkY glyph/pixel/broadcast row blocks"
      },
      "note": "Loading-row aesthetic · path/glyph fusion · not speech ASR"
    }
  ],
  "engine": {
    "deepZoom": "js/deep-zoom-viewer.js",
    "reader": "js/living-book-reader.js",
    "maxScale": 64
  }
}