{
  "format_tool_version": "0.3.0",
  "host_version": "0.1.0",
  "limits": [
    [
      "Installed v1 elements (current host)",
      500
    ],
    [
      "Pending v1 imports",
      20
    ],
    [
      "V1 archive bytes",
      262144
    ],
    [
      "V1 expanded bytes",
      131072
    ],
    [
      "ZIP maximum compression ratio",
      100
    ],
    [
      "MAX_PACK_ARCHIVE",
      134217728
    ],
    [
      "MAX_PACK_EXPANDED",
      268435456
    ],
    [
      "MAX_PACK_FILES",
      2048
    ],
    [
      "MAX_PACK_DOCUMENTS",
      4194304
    ],
    [
      "MAX_PACK_ITEMS",
      1000
    ],
    [
      "MAX_PACK_INSTALLED",
      2147483648
    ],
    [
      "MAX_PACK_INSTALLED_FILES",
      16384
    ],
    [
      "MAX_PACK_STAGING",
      536870912
    ],
    [
      "MAX_PACK_JOBS",
      2
    ],
    [
      "MAX_PACK_IMAGE",
      8388608
    ],
    [
      "MAX_PACK_AUDIO",
      2097152
    ],
    [
      "MAX_PACK_AUDIO_SECONDS",
      30
    ],
    [
      "MAX_PACK_COMPRESSION_RATIO",
      100
    ],
    [
      "MAX_PACK_WINDOW",
      16384
    ],
    [
      "MAX_PACK_CHECKPOINT",
      2048
    ],
    [
      "MAX_GALLERY_WORKS",
      200
    ],
    [
      "MAX_DECODED_PIXELS",
      12000000
    ],
    [
      "MAX_IMAGE_WORKING_SET_BYTES",
      134217728
    ]
  ],
  "fields": {
    "Definition": [
      [
        "schema_version",
        "integer; value: 1; default: 1",
        "optional"
      ],
      [
        "kind",
        "string; choices: [\"theme\", \"block\", \"content\"]",
        "required"
      ],
      [
        "name",
        "string; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "look",
        "string; choices: [\"painting\", \"modern\", \"glass\", \"ink\", \"linen\", \"botanical\"]; default: \"modern\"",
        "optional"
      ],
      [
        "appearance",
        "PortableAppearance",
        "optional"
      ],
      [
        "blocks",
        "array; maximum items: 12; items: PortableBlock",
        "optional"
      ],
      [
        "source_slots",
        "array; maximum items: 12; items: SourceSlot",
        "optional"
      ],
      [
        "purpose",
        "string; choices: [\"glance\", \"gallery\", \"home\", \"media\"] or null; default: null",
        "optional"
      ],
      [
        "arrangement",
        "LayoutArrangement or null; default: null",
        "optional"
      ],
      [
        "setup",
        "array; maximum items: 24; items: SetupPrompt",
        "optional"
      ],
      [
        "localized",
        "object; minimum properties: 1; maximum properties: 16; keys: pattern \"^[a-z]{2,3}(?:-[A-Z][a-z]{3})?(?:-(?:[A-Z]{2}|[0-9]{3}))?$\"; values: LocalizedText or null; default: null",
        "optional"
      ]
    ],
    "ArrangementCell": [
      [
        "col_span",
        "integer; minimum: 1; maximum: 12",
        "required"
      ],
      [
        "row_span",
        "integer; minimum: 1; maximum: 6",
        "required"
      ],
      [
        "col_start",
        "integer; minimum: 1; maximum: 12",
        "required"
      ],
      [
        "row_start",
        "integer; minimum: 1; maximum: 6",
        "required"
      ]
    ],
    "BlockStyle": [
      [
        "padding",
        "string; choices: [\"inherit\", \"none\", \"tight\", \"standard\", \"roomy\"]; default: \"inherit\"",
        "optional"
      ],
      [
        "face",
        "string; choices: [\"inherit\", \"card\", \"transparent\", \"outlined\"]; default: \"inherit\"",
        "optional"
      ],
      [
        "text_size",
        "string; choices: [\"smaller\", \"inherit\", \"larger\"]; default: \"inherit\"",
        "optional"
      ],
      [
        "detail",
        "string; choices: [\"auto\", \"compact\", \"line\", \"glance\"]; default: \"auto\"",
        "optional"
      ],
      [
        "heading",
        "string; choices: [\"inherit\", \"hidden\"]; default: \"inherit\"",
        "optional"
      ],
      [
        "align",
        "string; choices: [\"start\", \"center\", \"end\"]; default: \"start\"",
        "optional"
      ],
      [
        "accent",
        "string; choices: [\"inherit\", \"accent\", \"muted\"]; default: \"inherit\"",
        "optional"
      ],
      [
        "stand_out",
        "string; choices: [\"off\", \"on\"]; default: \"off\"",
        "optional"
      ],
      [
        "fit",
        "string; choices: [\"cell\", \"content\"]; default: \"cell\"",
        "optional"
      ]
    ],
    "LayoutArrangement": [
      [
        "landscape",
        "object; minimum properties: 1; maximum properties: 12; keys: pattern \"^[a-z][a-z0-9-]{0,39}$\"; values: ArrangementCell",
        "required"
      ],
      [
        "portrait",
        "object; maximum properties: 12; keys: pattern \"^[a-z][a-z0-9-]{0,39}$\"; values: PortraitArrangementCell",
        "optional"
      ]
    ],
    "LocalizedText": [
      [
        "name",
        "string; pattern: \"[^\\\\s\\\\p{Cf}]\"; minimum characters: 1; maximum characters: 100 or null; default: null",
        "optional"
      ],
      [
        "mood",
        "string; pattern: \"[^\\\\s\\\\p{Cf}]\"; minimum characters: 1; maximum characters: 60 or null; default: null",
        "optional"
      ],
      [
        "description",
        "string; pattern: \"[^\\\\s\\\\p{Cf}]\"; minimum characters: 1; maximum characters: 240 or null; default: null",
        "optional"
      ]
    ],
    "PortableAppearance": [
      [
        "layout",
        "string; choices: [\"auto\", \"flow\", \"columns\", \"stage\", \"grid\", \"overlay\", \"wall\"]; default: \"flow\"",
        "optional"
      ],
      [
        "background",
        "string; choices: [\"theme\", \"solid\", \"aurora\", \"canopy\", \"dunes\", \"artwork\", \"album\", \"weather\"]; default: \"theme\"",
        "optional"
      ],
      [
        "font",
        "string; choices: [\"theme\", \"sans\", \"serif\"]; default: \"theme\"",
        "optional"
      ],
      [
        "spacing",
        "string; choices: [\"tight\", \"standard\", \"relaxed\"]; default: \"standard\"",
        "optional"
      ],
      [
        "tokens",
        "object; maximum properties: 10",
        "optional"
      ],
      [
        "background_mat",
        "string; choices: [\"full_bleed\", \"modern\", \"museum\", \"shadow_box\"]; default: \"museum\"",
        "optional"
      ],
      [
        "background_motion",
        "boolean; default: false",
        "optional"
      ],
      [
        "background_cadence_seconds",
        "integer; minimum: 15; maximum: 86400; default: 45",
        "optional"
      ],
      [
        "margin",
        "string; choices: [\"none\", \"tight\", \"standard\", \"wide\"]; default: \"standard\"",
        "optional"
      ],
      [
        "face",
        "string; choices: [\"look\", \"card\", \"veil\", \"transparent\", \"outlined\"]; default: \"look\"",
        "optional"
      ],
      [
        "radius",
        "string; choices: [\"look\", \"square\", \"soft\", \"round\"]; default: \"look\"",
        "optional"
      ],
      [
        "picture_show",
        "string; choices: [\"around\", \"behind\", \"featured\"]; default: \"around\"",
        "optional"
      ],
      [
        "background_dim",
        "string; choices: [\"off\", \"soft\", \"strong\"]; default: \"off\"",
        "optional"
      ],
      [
        "picture_text",
        "string; choices: [\"auto\", \"light\", \"dark\"]; default: \"auto\"",
        "optional"
      ],
      [
        "overlay_corner",
        "string; choices: [\"bottom-left\", \"bottom-right\", \"top-left\", \"top-right\"]; default: \"bottom-left\"",
        "optional"
      ],
      [
        "overlay_scrim",
        "string; choices: [\"soft\", \"standard\", \"strong\"]; default: \"standard\"",
        "optional"
      ],
      [
        "wall_dock",
        "string; choices: [\"top\", \"side\"]; default: \"top\"",
        "optional"
      ]
    ],
    "PortableBlock": [
      [
        "id",
        "string; pattern: \"^[a-z][a-z0-9-]{0,39}$\"",
        "required"
      ],
      [
        "kind",
        "string; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "enabled",
        "boolean; default: true",
        "optional"
      ],
      [
        "settings",
        "object; maximum properties: 4",
        "optional"
      ],
      [
        "source_slot",
        "string; pattern: \"^[a-z][a-z0-9-]{0,39}$\" or null; default: null",
        "optional"
      ],
      [
        "symbols",
        "array; maximum items: 6; items: string; pattern: \"^[A-Z][A-Z0-9]*(?:[.\\\\-][A-Z0-9]+)*$\"; minimum characters: 1; maximum characters: 10 or null; default: null",
        "optional"
      ],
      [
        "placement",
        "PortablePlacement",
        "optional"
      ],
      [
        "style",
        "BlockStyle",
        "optional"
      ]
    ],
    "PortablePlacement": [
      [
        "region",
        "string; choices: [\"auto\", \"header\", \"main\", \"secondary\", \"stage\", \"side\"]; default: \"auto\"",
        "optional"
      ],
      [
        "importance",
        "string; choices: [\"required\", \"normal\", \"optional\"]; default: \"normal\"",
        "optional"
      ]
    ],
    "PortraitArrangementCell": [
      [
        "col_span",
        "integer; minimum: 1; maximum: 6",
        "required"
      ],
      [
        "row_span",
        "integer; minimum: 1; maximum: 12",
        "required"
      ],
      [
        "col_start",
        "integer; minimum: 1; maximum: 6",
        "required"
      ],
      [
        "row_start",
        "integer; minimum: 1; maximum: 12",
        "required"
      ]
    ],
    "SetupPrompt": [
      [
        "source_slot",
        "string; pattern: \"^[a-z][a-z0-9-]{0,39}$\"",
        "required"
      ],
      [
        "field",
        "string; choices: [\"city\", \"units\", \"watchlist\"]",
        "required"
      ],
      [
        "required",
        "boolean; default: false",
        "optional"
      ]
    ],
    "SourceSlot": [
      [
        "id",
        "string; pattern: \"^[a-z][a-z0-9-]{0,39}$\"",
        "required"
      ],
      [
        "kind",
        "string; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "required",
        "boolean; default: true",
        "optional"
      ],
      [
        "suggested_source",
        "SuggestedSource or null; default: null",
        "optional"
      ]
    ],
    "SuggestedSource": [
      [
        "kind",
        "string; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "preset_id",
        "string; pattern: \"^[a-z][a-z0-9-]{0,39}$\" or null; default: null",
        "optional"
      ]
    ],
    "Manifest": [
      [
        "format",
        "string; value: \"denframepack\"; default: \"denframepack\"",
        "optional"
      ],
      [
        "schema_version",
        "integer; value: 1; default: 1",
        "optional"
      ],
      [
        "id",
        "string; pattern: \"^[a-z0-9][a-z0-9.-]*/[a-z0-9][a-z0-9.-]*$\"; maximum characters: 100",
        "required"
      ],
      [
        "version",
        "string; pattern: \"^\\\\d+\\\\.\\\\d+\\\\.\\\\d+$\"; maximum characters: 30",
        "required"
      ],
      [
        "license",
        "string; choices: [\"MIT\", \"CC0-1.0\", \"CC-BY-4.0\"]",
        "required"
      ],
      [
        "publisher",
        "string; minimum characters: 1; maximum characters: 100; default: \"Local author\"",
        "optional"
      ],
      [
        "attribution",
        "string; maximum characters: 500; default: \"\"",
        "optional"
      ],
      [
        "entrypoint",
        "string; value: \"definition.json\"; default: \"definition.json\"",
        "optional"
      ],
      [
        "definition_sha256",
        "string; pattern: \"^[a-f0-9]{64}$\"",
        "required"
      ],
      [
        "dependencies",
        "array; maximum items: 32; items: DefinitionRef",
        "optional"
      ],
      [
        "required_capabilities",
        "array; maximum items: 16; items: string; minimum characters: 1; maximum characters: 100",
        "optional"
      ]
    ],
    "DefinitionRef": [
      [
        "id",
        "string; pattern: \"^[a-z0-9][a-z0-9.-]*/[a-z0-9][a-z0-9.-]*$\"; maximum characters: 100",
        "required"
      ],
      [
        "version",
        "string; pattern: \"^\\\\d+\\\\.\\\\d+\\\\.\\\\d+$\"; maximum characters: 30",
        "required"
      ],
      [
        "digest",
        "string; pattern: \"^[a-f0-9]{64}$\"",
        "required"
      ]
    ],
    "PackDefinition": [
      [
        "schema_version",
        "integer; value: 2; default: 2",
        "optional"
      ],
      [
        "kind",
        "string; value: \"pack\"; default: \"pack\"",
        "optional"
      ],
      [
        "name",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "description",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 240",
        "required"
      ],
      [
        "locales",
        "array; minimum items: 1; maximum items: 8; unique items: true; items: string; pattern: \"^[a-z]{2,3}(?:-[A-Z]{2})?$\"; maximum characters: 6",
        "required"
      ],
      [
        "resources",
        "array; maximum items: 2046; items: PackResource",
        "optional"
      ],
      [
        "items",
        "array; minimum items: 1; maximum items: 1000; items: PackItem",
        "required"
      ],
      [
        "activities",
        "array; minimum items: 1; maximum items: 32; items: PackActivity",
        "required"
      ]
    ],
    "PackActivity": [
      [
        "id",
        "string; pattern: \"^[a-z][a-z0-9-]{0,39}$\"",
        "required"
      ],
      [
        "name",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "kind",
        "string; value: \"reveal-sequence-v1\"; default: \"reveal-sequence-v1\"",
        "optional"
      ],
      [
        "item_ids",
        "array; minimum items: 1; maximum items: 1000; unique items: true; items: string; pattern: \"^[a-z][a-z0-9-]{0,39}$\"",
        "required"
      ],
      [
        "locale",
        "string; pattern: \"^[a-z]{2,3}(?:-[A-Z]{2})?$\"; maximum characters: 6",
        "required"
      ],
      [
        "loop",
        "boolean; default: false",
        "optional"
      ],
      [
        "timing",
        "PackTiming",
        "optional"
      ]
    ],
    "PackAudioCue": [
      [
        "resource",
        "string; pattern: \"^assets/[a-f0-9]{64}\\\\.(?:png|jpg|webp|mp3)$\"",
        "required"
      ],
      [
        "locale",
        "string; pattern: \"^[a-z]{2,3}(?:-[A-Z]{2})?$\"; maximum characters: 6",
        "required"
      ],
      [
        "phase",
        "string; choices: [\"prompt\", \"reveal\"]",
        "required"
      ],
      [
        "role",
        "string; choices: [\"narration\", \"effect\"]",
        "required"
      ],
      [
        "transcript",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 240",
        "required"
      ]
    ],
    "PackCredit": [
      [
        "creator",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "license",
        "string; choices: [\"CC0-1.0\", \"CC-BY-4.0\", \"MIT\"]",
        "required"
      ],
      [
        "attribution",
        "string; maximum characters: 500; default: \"\"",
        "optional"
      ],
      [
        "source",
        "string; maximum characters: 500; default: \"\"",
        "optional"
      ],
      [
        "modified",
        "boolean; default: false",
        "optional"
      ]
    ],
    "PackFace": [
      [
        "text",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 240",
        "required"
      ],
      [
        "image",
        "string; pattern: \"^assets/[a-f0-9]{64}\\\\.(?:png|jpg|webp|mp3)$\" or null; default: null",
        "optional"
      ],
      [
        "alt_text",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 240 or null; default: null",
        "optional"
      ]
    ],
    "PackItem": [
      [
        "id",
        "string; pattern: \"^[a-z][a-z0-9-]{0,39}$\"",
        "required"
      ],
      [
        "content_revision",
        "integer; minimum: 1; maximum: 2147483647",
        "required"
      ],
      [
        "translations",
        "object; minimum properties: 1; maximum properties: 8; keys: pattern \"^[a-z]{2,3}(?:-[A-Z]{2})?$\"; values: PackTranslation",
        "required"
      ],
      [
        "audio_cues",
        "array; maximum items: 4; items: PackAudioCue",
        "optional"
      ]
    ],
    "PackResource": [
      [
        "path",
        "string; pattern: \"^assets/[a-f0-9]{64}\\\\.(?:png|jpg|webp|mp3)$\"",
        "required"
      ],
      [
        "sha256",
        "string; pattern: \"^[a-f0-9]{64}$\"",
        "required"
      ],
      [
        "length",
        "integer; minimum: 1; maximum: 8388608",
        "required"
      ],
      [
        "media_type",
        "string; choices: [\"image/png\", \"image/jpeg\", \"image/webp\", \"audio/mpeg\"]",
        "required"
      ],
      [
        "duration_seconds",
        "number; minimum: 0.01; maximum: 30 or null; default: null",
        "optional"
      ],
      [
        "credit",
        "PackCredit",
        "required"
      ]
    ],
    "PackTiming": [
      [
        "prompt_seconds",
        "integer; minimum: 1; maximum: 30; default: 3",
        "optional"
      ],
      [
        "recall_seconds",
        "integer; minimum: 0; maximum: 30; default: 3",
        "optional"
      ],
      [
        "reveal_seconds",
        "integer; minimum: 1; maximum: 30; default: 4",
        "optional"
      ],
      [
        "dwell_seconds",
        "integer; minimum: 1; maximum: 30; default: 2",
        "optional"
      ]
    ],
    "PackTranslation": [
      [
        "prompt",
        "PackFace",
        "required"
      ],
      [
        "reveal",
        "PackFace",
        "required"
      ]
    ],
    "GalleryDefinition": [
      [
        "schema_version",
        "integer; value: 2; default: 2",
        "optional"
      ],
      [
        "kind",
        "string; value: \"gallery\"; default: \"gallery\"",
        "optional"
      ],
      [
        "name",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "description",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 240",
        "required"
      ],
      [
        "shape",
        "string; choices: [\"landscape\", \"portrait\"]",
        "required"
      ],
      [
        "presentation",
        "GalleryPresentation",
        "optional"
      ],
      [
        "strip",
        "string; pattern: \"^assets/[a-f0-9]{64}\\\\.webp$\"",
        "required"
      ],
      [
        "resources",
        "array; minimum items: 3; maximum items: 2046; items: GalleryResource",
        "required"
      ],
      [
        "works",
        "array; minimum items: 1; maximum items: 200; items: GalleryWork",
        "required"
      ]
    ],
    "GalleryCredit": [
      [
        "creator",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "license",
        "string; value: \"CC0-1.0\"",
        "required"
      ],
      [
        "attribution",
        "string; maximum characters: 500; default: \"\"",
        "optional"
      ],
      [
        "source",
        "string; maximum characters: 500; default: \"\"",
        "optional"
      ],
      [
        "modified",
        "boolean; default: false",
        "optional"
      ]
    ],
    "GalleryEvidence": [
      [
        "provider_field",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "provider_value",
        "boolean or string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "image_url",
        "string; pattern: \"^https://\\\\S+$\"; maximum characters: 1000",
        "required"
      ],
      [
        "observed_at",
        "string; pattern: \"^\\\\d{4}-\\\\d{2}-\\\\d{2}T\\\\d{2}:\\\\d{2}:\\\\d{2}(?:\\\\.\\\\d+)?(?:Z|[+-]\\\\d{2}:\\\\d{2})$\"; maximum characters: 40",
        "required"
      ],
      [
        "image_field",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100 or null; default: null",
        "optional"
      ],
      [
        "uuid",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100 or null; default: null",
        "optional"
      ]
    ],
    "GalleryPlacard": [
      [
        "title",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 240",
        "required"
      ],
      [
        "creator",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 240",
        "required"
      ],
      [
        "date",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "medium",
        "string; maximum characters: 240 or null; default: null",
        "optional"
      ],
      [
        "dimensions",
        "string; maximum characters: 240 or null; default: null",
        "optional"
      ],
      [
        "institution",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "canonical_url",
        "string; pattern: \"^https://\\\\S+$\"; maximum characters: 1000",
        "required"
      ]
    ],
    "GalleryPresentation": [
      [
        "fit",
        "string; choices: [\"fit\", \"fill\", \"smart\"]; default: \"fit\"",
        "optional"
      ],
      [
        "mat_style",
        "string; choices: [\"full_bleed\", \"modern\", \"museum\", \"shadow_box\"]; default: \"museum\"",
        "optional"
      ],
      [
        "placard_seconds",
        "integer; minimum: 5; maximum: 120; default: 12",
        "optional"
      ],
      [
        "cadence_seconds",
        "integer; minimum: 15; maximum: 86400; default: 45",
        "optional"
      ]
    ],
    "GalleryResource": [
      [
        "path",
        "string; pattern: \"^assets/[a-f0-9]{64}\\\\.(?:png|jpg|webp|mp3)$\"",
        "required"
      ],
      [
        "sha256",
        "string; pattern: \"^[a-f0-9]{64}$\"",
        "required"
      ],
      [
        "length",
        "integer; minimum: 1; maximum: 8388608",
        "required"
      ],
      [
        "media_type",
        "string; choices: [\"image/jpeg\", \"image/webp\"]",
        "required"
      ],
      [
        "duration_seconds",
        "number; minimum: 0.01; maximum: 30 or null; default: null",
        "optional"
      ],
      [
        "credit",
        "GalleryCredit",
        "required"
      ]
    ],
    "GalleryRights": [
      [
        "license",
        "string; value: \"CC0-1.0\"; default: \"CC0-1.0\"",
        "optional"
      ],
      [
        "uri",
        "string; value: \"https://creativecommons.org/publicdomain/zero/1.0/\"; default: \"https://creativecommons.org/publicdomain/zero/1.0/\"",
        "optional"
      ],
      [
        "evidence",
        "GalleryEvidence",
        "required"
      ]
    ],
    "GalleryWork": [
      [
        "id",
        "string; pattern: \"^[a-z][a-z0-9-]{0,39}$\"",
        "required"
      ],
      [
        "image",
        "string; pattern: \"^assets/[a-f0-9]{64}\\\\.jpg$\"",
        "required"
      ],
      [
        "thumbnail",
        "string; pattern: \"^assets/[a-f0-9]{64}\\\\.webp$\"",
        "required"
      ],
      [
        "alt_text",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 240",
        "required"
      ],
      [
        "width",
        "integer; minimum: 1; maximum: 4096",
        "required"
      ],
      [
        "height",
        "integer; minimum: 1; maximum: 4096",
        "required"
      ],
      [
        "orientation",
        "string; choices: [\"landscape\", \"portrait\"]",
        "required"
      ],
      [
        "focal_x",
        "number; minimum: 0; maximum: 1; default: 0.5",
        "optional"
      ],
      [
        "focal_y",
        "number; minimum: 0; maximum: 1; default: 0.5",
        "optional"
      ],
      [
        "mean_colour",
        "string; pattern: \"^#[0-9a-f]{6}$\"",
        "required"
      ],
      [
        "placard",
        "GalleryPlacard",
        "required"
      ],
      [
        "rights",
        "GalleryRights",
        "required"
      ]
    ],
    "PackManifest": [
      [
        "format",
        "string; value: \"denframepack\"; default: \"denframepack\"",
        "optional"
      ],
      [
        "schema_version",
        "integer; value: 2; default: 2",
        "optional"
      ],
      [
        "id",
        "string; pattern: \"^[a-z0-9][a-z0-9.-]*/[a-z0-9][a-z0-9.-]*$\"; maximum characters: 100",
        "required"
      ],
      [
        "version",
        "string; pattern: \"^[0-9]+\\\\.[0-9]+\\\\.[0-9]+$\"; maximum characters: 30",
        "required"
      ],
      [
        "publisher",
        "string; pattern: \"\\\\S\"; minimum characters: 1; maximum characters: 100",
        "required"
      ],
      [
        "definition_sha256",
        "string; pattern: \"^[a-f0-9]{64}$\"",
        "required"
      ],
      [
        "entrypoint",
        "string; value: \"definition.json\"; default: \"definition.json\"",
        "optional"
      ],
      [
        "required_capabilities",
        "array; minimum items: 2; maximum items: 2; unique items: true; items: string; choices: [\"pack-format-v2\", \"reveal-sequence-v1\", \"gallery-pack-v1\"]",
        "optional"
      ]
    ],
    "ContentLadderDeclaration": [
      [
        "glance",
        "ContentFormDeclaration or null; default: null",
        "optional"
      ],
      [
        "line",
        "ContentFormDeclaration or null; default: null",
        "optional"
      ],
      [
        "compact",
        "ContentFormDeclaration or null; default: null",
        "optional"
      ],
      [
        "full",
        "ContentFormDeclaration or null; default: null",
        "optional"
      ]
    ],
    "ContentFormDeclaration": [
      [
        "rows",
        "array; minimum items: 1; maximum items: 6; items: ContentRowDeclaration",
        "required"
      ],
      [
        "items",
        "integer; minimum: 1; maximum: 6; default: 1",
        "optional"
      ],
      [
        "show_title",
        "boolean; default: false",
        "optional"
      ]
    ],
    "ContentRowDeclaration": [
      [
        "field",
        "string; pattern: \"^[a-z][a-z_]{0,23}$\"",
        "required"
      ],
      [
        "join",
        "array; maximum items: 3; items: string; pattern: \"^[a-z][a-z_]{0,23}$\"",
        "optional"
      ],
      [
        "lines",
        "integer; minimum: 1; maximum: 4; default: 1",
        "optional"
      ],
      [
        "role",
        "string; choices: [\"vital\", \"essential\", \"incidental\", \"hero\", \"secondary\"]; default: \"essential\"",
        "optional"
      ]
    ]
  },
  "settings": [
    [
      "clock",
      "hour_format",
      "[\"12\", \"24\"]"
    ],
    [
      "clock",
      "show_seconds",
      "[false, true]"
    ],
    [
      "clock",
      "meridiem",
      "[\"auto\", \"hide\", \"show\"]"
    ],
    [
      "calendar",
      "view",
      "[\"day\", \"week\"]"
    ],
    [
      "image",
      "edges",
      "[\"bleed\", \"inside\"]"
    ],
    [
      "image",
      "fit",
      "[\"fill\", \"fit\", \"smart\"]"
    ],
    [
      "image",
      "mat_style",
      "[\"full_bleed\", \"modern\", \"museum\", \"shadow_box\"]"
    ],
    [
      "media",
      "edges",
      "[\"bleed\", \"inside\"]"
    ],
    [
      "media",
      "fit",
      "[\"fill\", \"fit\", \"smart\"]"
    ]
  ],
  "overrides": [
    [
      "weather",
      "unit_system",
      "string; choices: [\"metric\", \"imperial\"] or null; default: null"
    ],
    [
      "weather",
      "forecast_days",
      "integer; choices: [3, 7] or null; default: null"
    ],
    [
      "weather",
      "show_wear_guidance",
      "boolean or null; default: null"
    ],
    [
      "weather",
      "show_air_quality",
      "boolean or null; default: null"
    ],
    [
      "news",
      "max_stories",
      "integer; minimum: 1; maximum: 6 or null; default: null"
    ],
    [
      "news",
      "show_summary",
      "boolean or null; default: null"
    ],
    [
      "news",
      "show_pictures",
      "boolean or null; default: null"
    ],
    [
      "news",
      "take_turns_seconds",
      "integer; choices: [30, 60, 120] or null; default: null"
    ],
    [
      "tasks",
      "max_visible",
      "integer; minimum: 1; maximum: 3 or null; default: null"
    ],
    [
      "notes",
      "max_visible",
      "integer; minimum: 1; maximum: 4 or null; default: null"
    ],
    [
      "calendar",
      "horizon_days",
      "integer; minimum: 1; maximum: 90 or null; default: null"
    ],
    [
      "calendar",
      "private_events",
      "string; choices: [\"show\", \"title_redacted\", \"time_only\", \"hidden\"] or null; default: null"
    ],
    [
      "calendar",
      "show_all_day",
      "boolean or null; default: null"
    ],
    [
      "calendar",
      "view",
      "string; choices: [\"auto\", \"next\", \"agenda\", \"week\", \"columns\", \"lanes\", \"rolling_month\", \"month\"] or null; default: null"
    ],
    [
      "calendar",
      "follow_time_of_day",
      "boolean or null; default: null"
    ],
    [
      "calendar",
      "view_lock",
      "boolean or null; default: null"
    ],
    [
      "market",
      "focus_symbol",
      "string; pattern: \"^[A-Z][A-Z0-9]*(?:[.\\\\-][A-Z0-9]+)*(?:/[A-Z]{3})?$\"; minimum characters: 1; maximum characters: 12 or null; default: null"
    ]
  ],
  "capabilities": [
    [
      "background-canvas-v1",
      "background in album, artwork, weather; or background_mat != museum; or background_motion != false; or background_cadence_seconds != 45.",
      "0.1.0"
    ],
    [
      "block-overrides-v1",
      "At least one portable block has nonempty settings.overrides.",
      "0.1.0"
    ],
    [
      "block-style-v1",
      "Any non-default block style; or appearance.margin != standard; or appearance.face != look; or appearance.radius != look; or appearance.picture_show != around; or appearance.background_dim != off; or appearance.picture_text != auto",
      "0.1.0"
    ],
    [
      "card-v1",
      "Any card block; its exact content_ref also requires a matching manifest dependency.",
      "0.1.0"
    ],
    [
      "composition-v2",
      "Every portable design; emitted by the author tools.",
      "0.1.0"
    ],
    [
      "content-ladder-v1",
      "A custom block declares responsive forms using hero/essential/secondary roles.",
      "0.1.0"
    ],
    [
      "content-ladder-v2",
      "Any responsive row uses vital or incidental; every row is then serialized with v2 role names.",
      "0.1.0"
    ],
    [
      "gallery-pack-v1",
      "Every art collection (a v2 definition of kind gallery); the host installs it into its gallery and never sends the pack to a screen.",
      "0.1.0"
    ],
    [
      "grid-placement-v1",
      "appearance.layout = grid",
      "0.1.0"
    ],
    [
      "layout-arrangement-v1",
      "A layout declares purpose or landscape/portrait grid arrangement.",
      "0.1.0"
    ],
    [
      "layout-setup-v1",
      "Source suggestions, setup prompts or authored picture mats.",
      "0.1.0"
    ],
    [
      "library-provenance-v1",
      "Local exact block origins, application instance maps and look ownership; not portable definition fields",
      "0.1.0"
    ],
    [
      "localized-text-v1",
      "The definition carries localized (words by locale); a host token, never sent to a screen.",
      "0.2.0"
    ],
    [
      "overlay-layout-v1",
      "appearance.layout = overlay; or overlay_corner != bottom-left; or overlay_scrim != standard.",
      "0.1.0"
    ],
    [
      "overlay-placement-v1",
      "appearance.layout = overlay and its blocks are in cells (a layout's arrangement).",
      "0.4.0"
    ],
    [
      "pack-audio-v1",
      "Receiver audio support for card playback; the screen audio policy controls whether sound plays.",
      "0.1.0"
    ],
    [
      "pack-format-v2",
      "Every multimedia v2 manifest.",
      "0.1.0"
    ],
    [
      "pack-window-v1",
      "Any card block, projected to the receiver in bounded current/next windows.",
      "0.1.0"
    ],
    [
      "picture-fill-v1",
      "appearance.radius = soft; or image/media settings.edges = bleed or settings.fit = smart.",
      "0.1.0"
    ],
    [
      "responsive-layout-v1",
      "appearance.layout = auto",
      "0.1.0"
    ],
    [
      "reveal-sequence-v1",
      "Every current multimedia activity and v2 manifest.",
      "0.1.0"
    ],
    [
      "wall-layout-v1",
      "appearance.layout = wall; or wall_dock != top.",
      "0.4.0"
    ]
  ],
  "kinds": [
    "calendar",
    "card",
    "clock",
    "custom",
    "guest",
    "home",
    "image",
    "market",
    "meal",
    "media",
    "news",
    "notes",
    "package",
    "tasks",
    "transport",
    "weather"
  ],
  "tokens": [
    "accent",
    "accentText",
    "background",
    "border",
    "captionSurface",
    "mutedText",
    "negative",
    "positive",
    "surface",
    "text"
  ],
  "schemas": [
    [
      "composition/block-instance.schema.json",
      "/format/composition/block-instance.schema.json"
    ],
    [
      "composition/content-ladder.schema.json",
      "/format/composition/content-ladder.schema.json"
    ],
    [
      "composition/local-composition.schema.json",
      "/format/composition/local-composition.schema.json"
    ],
    [
      "composition/package-manifest.schema.json",
      "/format/composition/package-manifest.schema.json"
    ],
    [
      "composition/portable-definition.schema.json",
      "/format/composition/portable-definition.schema.json"
    ],
    [
      "packs/audio-policy.schema.json",
      "/format/packs/audio-policy.schema.json"
    ],
    [
      "packs/card-settings.schema.json",
      "/format/packs/card-settings.schema.json"
    ],
    [
      "packs/definition.schema.json",
      "/format/packs/definition.schema.json"
    ],
    [
      "packs/gallery-definition.schema.json",
      "/format/packs/gallery-definition.schema.json"
    ],
    [
      "packs/manifest.schema.json",
      "/format/packs/manifest.schema.json"
    ]
  ]
}