{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:orbiplex:schema:room:v1",
  "title": "Room v1",
  "description": "Durable room opening payload carried inside an Agora record envelope. The Agora envelope owns record id, topic, author and signature; this payload owns only room-domain fields.",
  "type": "object",
  "additionalProperties": false,
  "x-dia-workflow": "project",
  "x-dia-status": "draft",
  "x-dia-basis": ["P070"],
  "required": [
    "schema/v",
    "room/id",
    "opener/subject",
    "authority/subject",
    "policy/ref",
    "seq/no",
    "created-at"
  ],
  "properties": {
    "schema/v": { "const": 1 },
    "room/id": { "$ref": "#/$defs/room_id" },
    "opener/subject": { "$ref": "#/$defs/subject" },
    "authority/subject": { "$ref": "#/$defs/subject" },
    "policy/ref": { "type": "string", "pattern": "^room-policy:[A-Za-z0-9._:/=-]+$" },
    "seq/no": { "type": "integer", "minimum": 0 },
    "created-at": { "type": "string", "format": "date-time" },
    "expires-at": { "type": "string", "format": "date-time" },
    "source/ref": { "type": "string", "minLength": 1 },
    "extensions": { "$ref": "#/$defs/extensions" }
  },
  "$defs": {
    "room_id": {
      "type": "string",
      "pattern": "^room:[A-Za-z0-9._:=-]+$"
    },
    "subject": {
      "type": "object",
      "additionalProperties": false,
      "required": ["kind", "id"],
      "properties": {
        "kind": {
          "type": "string",
          "maxLength": 64,
          "enum": ["nym", "participant", "node", "routing-subject", "organization"]
        },
        "id": { "type": "string", "minLength": 1, "maxLength": 4096 }
      }
    },
    "grant": {
      "type": "string",
      "enum": ["speak", "vote", "answer", "observe", "actuate", "moderate", "delegate"]
    },
    "extensions": {
      "type": "object",
      "additionalProperties": true
    }
  }
}