{
"gdf_version": "1.0",
"guide": {},
"assets": [],
"items": [],
"anchors": {}
}
| Field | Required | Description |
|---|---|---|
| gdf_version | Yes | Must be "1.0" |
| guide | Yes | Global metadata |
| assets | Yes | Media registry (may be []) |
| items | Yes | Ordered content (may be []) |
| anchors | No | Provenance for migration |
Unknown top-level keys must pass through on round-trip.