{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "Reminder",
  "type": "object",
  "properties": {
    "id": { "type": "string" },
    "title": { "type": "string" },
    "body": { "type": "string" },
    "due_at": { "type": "string", "format": "date-time" },
    "is_completed": { "type": "boolean" }
  }
}