{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "tasks": {
      "type": "array",
      "items": {
        "type": "string",
        "minLength": 1
      },
      "uniqueItems": true
    }
  },
  "required": ["tasks"],
  "additionalProperties": false
}