{
  "name": "SAFe Program Increment",
  "description": "Structure of a SAFe Program Increment timebox for Agile Release Train planning and execution",
  "fields": [
    {
      "name": "id",
      "type": "string",
      "description": "PI identifier",
      "required": true
    },
    {
      "name": "name",
      "type": "string",
      "description": "PI name (e.g., PI 2026.2)",
      "required": true
    },
    {
      "name": "start_date",
      "type": "string",
      "format": "date",
      "required": true
    },
    {
      "name": "end_date",
      "type": "string",
      "format": "date",
      "required": true
    },
    {
      "name": "art",
      "type": "object",
      "description": "Parent ART reference",
      "required": true,
      "fields": [
        {"name": "id", "type": "string"},
        {"name": "name", "type": "string"}
      ]
    },
    {
      "name": "status",
      "type": "enum",
      "values": ["planning", "active", "completed"]
    },
    {
      "name": "iterations",
      "type": "array",
      "description": "4 development iterations + 1 IP iteration",
      "itemType": {
        "name": "Iteration",
        "fields": [
          {"name": "id", "type": "string"},
          {"name": "number", "type": "integer"},
          {"name": "name", "type": "string"},
          {"name": "start_date", "type": "string", "format": "date"},
          {"name": "end_date", "type": "string", "format": "date"},
          {"name": "type", "type": "enum", "values": ["development", "innovation_planning"]}
        ]
      }
    },
    {
      "name": "objectives",
      "type": "array",
      "description": "Team PI objectives",
      "itemType": {
        "name": "PIObjective",
        "fields": [
          {"name": "id", "type": "string"},
          {"name": "title", "type": "string"},
          {"name": "business_value", "type": "integer", "description": "1-10 rating"},
          {"name": "committed", "type": "boolean"},
          {
            "name": "team",
            "type": "object",
            "fields": [
              {"name": "id", "type": "string"},
              {"name": "name", "type": "string"}
            ]
          }
        ]
      }
    },
    {
      "name": "features",
      "type": "array",
      "description": "Features planned for this PI"
    }
  ]
}