{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"title": "DateTimeResponse",
"description": "Op 12 response.",
"type": "object",
"properties": {
"dt": {
"description": "Device date and time as a string. Spec does not pin the format; treat as opaque.",
"type": "string"
}
},
"required": [
"dt"
]
}