{
  "type": "object",
  "properties": {
    "steps": {
      "type": "array",
      "description": "ordered, individually verifiable implementation steps, one per item",
      "minItems": 1,
      "items": { "type": "string" }
    },
    "verification": {
      "type": "array",
      "description": "how completion is checked (commands, tests), one per item"
    }
  },
  "required": ["steps"],
  "additionalProperties": true
}