{
  "name": "DaySchedule",
  "fields": [
    { "name": "date", "required": true },
    { "name": "employeeId", "required": true },
    { "name": "slots", "default": [] }
  ],
  "methods": [
    {
      "name": "addSlot",
      "params": ["time"],
      "body": "this.slots.push({ time, available: true });"
    }
  ]
}