{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "gdd_status",
  "type": "object",
  "properties": {
    "input": {
      "type": "object",
      "additionalProperties": false,
      "properties": {}
    },
    "output": {
      "type": "object",
      "required": ["phase", "branch", "last_decisions", "last_completed_plans", "blocker_count"],
      "properties": {
        "phase": { "type": ["string", "null"] },
        "branch": { "type": ["string", "null"] },
        "last_decisions": { "type": "array", "items": { "type": "object" } },
        "last_completed_plans": { "type": "array", "items": { "type": "object" } },
        "blocker_count": { "type": "integer", "minimum": 0 }
      }
    }
  }
}