{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/DY-2026/GameDesignOS/main/contracts/decision-log.schema.json",
  "title": "GameDesignOS Decision Log",
  "description": "Workspace-level record of Human Gates, accepted commitments, reversals, and rollback conditions.",
  "type": "object",
  "required": [
    "schema_version",
    "workspace_id",
    "decisions"
  ],
  "additionalProperties": false,
  "properties": {
    "schema_version": {
      "type": "string",
      "enum": ["0.8.0", "1.0.0"]
    },
    "workspace_id": {
      "type": "string",
      "minLength": 1
    },
    "decisions": {
      "type": "array",
      "items": {
        "$ref": "#/$defs/decision"
      }
    }
  },
  "$defs": {
    "decision": {
      "type": "object",
      "required": [
        "decision_id",
        "date",
        "decision_type",
        "status",
        "decision",
        "context",
        "options_considered",
        "evidence_refs",
        "assumptions",
        "risks",
        "owner",
        "rollback_trigger"
      ],
      "additionalProperties": true,
      "properties": {
        "decision_id": {
          "type": "string",
          "pattern": "^DEC-[A-Z0-9-]{3,}$"
        },
        "date": {
          "type": "string",
          "format": "date"
        },
        "decision_type": {
          "enum": [
            "concept_gate",
            "scope_gate",
            "validation",
            "experiment",
            "milestone",
            "proposal",
            "release",
            "workflow",
            "information",
            "prototype_direction"
          ]
        },
        "status": {
          "enum": [
            "proposed",
            "accepted",
            "rejected",
            "reversed",
            "superseded"
          ]
        },
        "decision": {
          "type": "string",
          "minLength": 1
        },
        "context": {
          "type": "string",
          "minLength": 1
        },
        "options_considered": {
          "type": "array",
          "minItems": 1,
          "items": {
            "type": "string",
            "minLength": 1
          },
          "uniqueItems": true
        },
        "evidence_refs": {
          "type": "array",
          "items": {
            "type": "string",
            "minLength": 1
          },
          "uniqueItems": true
        },
        "assumptions": {
          "type": "array",
          "items": {
            "type": "string",
            "minLength": 1
          }
        },
        "risks": {
          "type": "array",
          "items": {
            "type": "string",
            "minLength": 1
          }
        },
        "owner": {
          "type": "string",
          "minLength": 1
        },
        "rollback_trigger": {
          "type": "string",
          "minLength": 1
        },
        "next_review": {
          "type": "string"
        },
        "supersedes": {
          "type": "string",
          "minLength": 1
        },
        "decision_deadline": {
          "type": "string"
        },
        "current_default_action": {
          "type": "string",
          "minLength": 1
        },
        "decision_boundary": {
          "enum": [
            "undefined",
            "far",
            "near",
            "locked"
          ]
        },
        "voi_assessment_refs": {
          "type": "array",
          "items": {
            "type": "string",
            "minLength": 1
          },
          "uniqueItems": true
        },
        "action_before_information": {
          "type": "string"
        },
        "action_after_information": {
          "type": "string"
        },
        "information_stop_reason": {
          "type": "string"
        }
      }
    }
  }
}